diff --git a/test/plantuml/graph_hard/plantuml_1.puml b/test/plantuml/graph_hard/plantuml_1.puml
new file mode 100644
index 0000000000000000000000000000000000000000..6afd521cbbefc5153854bd5a57f06d592fade6f8
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_1.puml
@@ -0,0 +1,66 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Credit Card Application" as Group0 #FFF3E0 {
+    node "Fund Disbursement" as nest0_0 #E0F7FA
+    usecase "Budgeting Analysis" as nest0_1 #FFDAB9
+}
+rectangle "IPO Launch" as Group1 #ECEFF1 {
+    database "Mortgage Application" as nest1_0 #E0F7FA
+    folder "Transaction Audit" as nest1_1 #E0F7FA
+}
+artifact "Collateral Evaluation" as N0 #E0F7FA
+node "Cryptocurrency Exchange" as N1 #B3E5FC
+folder "Market Analysis" as N2 #FFDAB9
+rectangle "Securities Trading" as N3 #E0F7FA
+folder "Compliance Review" as N4 #FFDAB9
+node "Dispute Resolution" as N5 #E0F7FA
+usecase "Investment Planning" as N6 #FFDAB9
+database "Portfolio Management" as N7 #B3E5FC
+rectangle "Treasury Management" as N8 #E0F7FA
+rectangle "Financial Advisory" as N9 #E0F7FA
+frame "Transaction Logging" as N10 #B3E5FC
+cloud "Account Verification" as N11 #E0F7FA
+usecase "Wealth Management" as N12 #B3E5FC
+circle " " as S0 #B3E5FC
+circle " " as S1 #B3E5FC
+circle " " as S2 #E0F7FA
+circle " " as M0 #B3E5FC
+circle " " as M1 #E0F7FA
+N0 -[#00BCD4]-> N1 : verifies
+N1 ..[#00BCD4]..> N2
+N2 ..[#000000]..> N3
+N3 -[#000000]-> N4
+N4 ..[#FFC085]..> N5
+N5 ..[#000000]..> N6
+N6 -[#000000]-> N7
+N7 -[#00BCD4]-> N8
+N8 -[#03A9F4]-> N9
+N9 ..[#FFC085]..> N10
+N10 -[#FFC085]-> N11
+N11 ..[#00BCD4]..> N12
+nest0_0 ..[#00BCD4]..> nest0_1
+N4 ..[#00BCD4]..> nest0_0
+nest0_1 ..[#00BCD4]..> N2
+nest1_0 -[#000000]-> nest1_1
+N11 -[#FFC085]-> nest1_0
+nest1_1 -[#00BCD4]-> N1 : mitigates
+N3 ..[#00BCD4]..> S0
+S0 -[#00BCD4]-> N5
+S0 -[#FFC085]-> N7
+N0 -[#FFC085]-> S1
+S1 ..[#00BCD4]..> N4
+S1 ..[#00BCD4]..> N6
+S1 -[#00BCD4]-> N10
+N5 -[#03A9F4]-> S2
+S2 ..[#000000]..> N7
+S2 -[#03A9F4]-> N11
+N2 -[#000000]-> M0
+N3 -[#03A9F4]-> M0
+N0 -[#03A9F4]-> M0
+M0 ..[#00BCD4]..> N6
+N3 -[#00BCD4]-> M1
+N8 ..[#00BCD4]..> M1
+M1 -[#FFC085]-> N12
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_1.txt b/test/plantuml/graph_hard/plantuml_1.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d795b98652538b0860bf3758ede9b1a6718e229a
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_1.txt
@@ -0,0 +1,33 @@
+<Account Verification, connectedTo, Mortgage Application>
+<Account Verification, connectedTo, Wealth Management>
+<Budgeting Analysis, connectedTo, Market Analysis>
+<Budgeting Analysis, partOf, Credit Card Application>
+<Collateral Evaluation, connectedTo, Compliance Review>
+<Collateral Evaluation, connectedTo, Investment Planning>
+<Collateral Evaluation, connectedTo, Transaction Logging>
+<Collateral Evaluation, verifies, Cryptocurrency Exchange>
+<Compliance Review, connectedTo, Dispute Resolution>
+<Compliance Review, connectedTo, Fund Disbursement>
+<Cryptocurrency Exchange, connectedTo, Market Analysis>
+<Dispute Resolution, connectedTo, Account Verification>
+<Dispute Resolution, connectedTo, Investment Planning>
+<Dispute Resolution, connectedTo, Portfolio Management>
+<Financial Advisory, connectedTo, Transaction Logging>
+<Fund Disbursement, connectedTo, Budgeting Analysis>
+<Fund Disbursement, partOf, Credit Card Application>
+<Investment Planning, connectedTo, Portfolio Management>
+<Market Analysis, connectedTo, Investment Planning>
+<Market Analysis, connectedTo, Securities Trading>
+<Mortgage Application, connectedTo, Transaction Audit>
+<Mortgage Application, partOf, IPO Launch>
+<Portfolio Management, connectedTo, Treasury Management>
+<Securities Trading, connectedTo, Compliance Review>
+<Securities Trading, connectedTo, Dispute Resolution>
+<Securities Trading, connectedTo, Investment Planning>
+<Securities Trading, connectedTo, Portfolio Management>
+<Securities Trading, connectedTo, Wealth Management>
+<Transaction Audit, mitigates, Cryptocurrency Exchange>
+<Transaction Audit, partOf, IPO Launch>
+<Transaction Logging, connectedTo, Account Verification>
+<Treasury Management, connectedTo, Financial Advisory>
+<Treasury Management, connectedTo, Wealth Management>
diff --git a/test/plantuml/graph_hard/plantuml_10.puml b/test/plantuml/graph_hard/plantuml_10.puml
new file mode 100644
index 0000000000000000000000000000000000000000..bf4b2b454b4a0c0471ad64a3aaa4358b212f9fdc
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_10.puml
@@ -0,0 +1,76 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Course Material Preparation" as Group0 #E8F5E9 {
+    node "Extracurricular Activity" as nest0_0 #B2EBF2
+    database "Club Registration" as nest0_1 #FFFAE0
+    database "Graduation Approval" as nest0_2 #B2EBF2
+}
+rectangle "Curriculum Development" as Group1 #FCE4EC {
+    rectangle "Internship Coordination" as nest1_0 #E1BEE7
+    component "Faculty Recruitment" as nest1_1 #E1BEE7
+    component "Transcript Issuance" as nest1_2 #E1BEE7
+}
+folder "Counseling Session" as N0 #E1BEE7
+artifact "Parent_Teacher Conference" as N1 #E1BEE7
+database "Student Enrollment" as N2 #B2EBF2
+folder "Special Education Support" as N3 #E1BEE7
+node "Scholarship Evaluation" as N4 #E1BEE7
+node "Academic Review" as N5 #FFFAE0
+component "Timetable Scheduling" as N6 #FFFAE0
+database "Alumni Network Management" as N7 #FFFAE0
+rectangle "Student Feedback Collection" as N8 #B2EBF2
+folder "Certificate Issuance" as N9 #FFFAE0
+database "Attendance Tracking" as N10 #E1BEE7
+component "Advisory Committee Meeting" as N11 #B2EBF2
+rectangle "Peer Tutoring" as N12 #E1BEE7
+database "Study Abroad Program" as N13 #E1BEE7
+circle " " as S0 #FFFAE0
+circle " " as S1 #FFFAE0
+circle " " as S2 #B2EBF2
+circle " " as M0 #FFFAE0
+circle " " as M1 #B2EBF2
+circle " " as M2 #B2EBF2
+N0 ..[#000000]..> N1
+N1 ..[#000000]..> N2 : grades
+N2 ..[#00BCD4]..> N3 : collaborates
+N3 ..[#FFE470]..> N4
+N4 ..[#000000]..> N5 : trains
+N5 ..[#000000]..> N6
+N6 -[#000000]-> N7
+N7 ..[#9C27B0]..> N8
+N8 -[#9C27B0]-> N9
+N9 ..[#000000]..> N10
+N10 -[#000000]-> N11 : recruits
+N11 ..[#9C27B0]..> N12
+N12 ..[#9C27B0]..> N13
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 -[#FFE470]-> nest0_2
+N7 ..[#000000]..> nest0_0
+nest0_2 ..[#00BCD4]..> N6
+nest1_0 -[#00BCD4]-> nest1_1
+nest1_1 -[#00BCD4]-> nest1_2
+N2 -[#9C27B0]-> nest1_0
+nest1_2 -[#FFE470]-> N2
+N10 ..[#00BCD4]..> S0
+S0 ..[#9C27B0]..> N12
+S0 ..[#9C27B0]..> N13
+N5 -[#00BCD4]-> S1
+S1 -[#00BCD4]-> N11
+S1 ..[#00BCD4]..> N13
+N3 -[#00BCD4]-> S2
+S2 -[#FFE470]-> N13
+S2 -[#000000]-> N10
+S2 -[#FFE470]-> N5
+N6 ..[#000000]..> M0
+N3 -[#000000]-> M0
+M0 ..[#00BCD4]..> N13
+N6 ..[#00BCD4]..> M1
+N2 -[#00BCD4]-> M1
+N1 ..[#FFE470]..> M1
+M1 -[#FFE470]-> N9
+N6 ..[#000000]..> M2
+N1 -[#00BCD4]-> M2
+M2 -[#000000]-> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_10.txt b/test/plantuml/graph_hard/plantuml_10.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c4ff91cf6f344c6299a8a2a3a00c53374a20be46
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_10.txt
@@ -0,0 +1,40 @@
+<Academic Review, connectedTo, Advisory Committee Meeting>
+<Academic Review, connectedTo, Study Abroad Program>
+<Academic Review, connectedTo, Timetable Scheduling>
+<Advisory Committee Meeting, connectedTo, Peer Tutoring>
+<Alumni Network Management, connectedTo, Extracurricular Activity>
+<Alumni Network Management, connectedTo, Student Feedback Collection>
+<Attendance Tracking, connectedTo, Peer Tutoring>
+<Attendance Tracking, connectedTo, Study Abroad Program>
+<Attendance Tracking, recruits, Advisory Committee Meeting>
+<Certificate Issuance, connectedTo, Attendance Tracking>
+<Club Registration, connectedTo, Graduation Approval>
+<Club Registration, partOf, Course Material Preparation>
+<Counseling Session, connectedTo, Parent_Teacher Conference>
+<Extracurricular Activity, connectedTo, Club Registration>
+<Extracurricular Activity, partOf, Course Material Preparation>
+<Faculty Recruitment, connectedTo, Transcript Issuance>
+<Faculty Recruitment, partOf, Curriculum Development>
+<Graduation Approval, connectedTo, Timetable Scheduling>
+<Graduation Approval, partOf, Course Material Preparation>
+<Internship Coordination, connectedTo, Faculty Recruitment>
+<Internship Coordination, partOf, Curriculum Development>
+<Parent_Teacher Conference, connectedTo, Attendance Tracking>
+<Parent_Teacher Conference, connectedTo, Certificate Issuance>
+<Parent_Teacher Conference, grades, Student Enrollment>
+<Peer Tutoring, connectedTo, Study Abroad Program>
+<Scholarship Evaluation, trains, Academic Review>
+<Special Education Support, connectedTo, Academic Review>
+<Special Education Support, connectedTo, Attendance Tracking>
+<Special Education Support, connectedTo, Scholarship Evaluation>
+<Special Education Support, connectedTo, Study Abroad Program>
+<Student Enrollment, collaborates, Special Education Support>
+<Student Enrollment, connectedTo, Certificate Issuance>
+<Student Enrollment, connectedTo, Internship Coordination>
+<Student Feedback Collection, connectedTo, Certificate Issuance>
+<Timetable Scheduling, connectedTo, Alumni Network Management>
+<Timetable Scheduling, connectedTo, Attendance Tracking>
+<Timetable Scheduling, connectedTo, Certificate Issuance>
+<Timetable Scheduling, connectedTo, Study Abroad Program>
+<Transcript Issuance, connectedTo, Student Enrollment>
+<Transcript Issuance, partOf, Curriculum Development>
diff --git a/test/plantuml/graph_hard/plantuml_100.puml b/test/plantuml/graph_hard/plantuml_100.puml
new file mode 100644
index 0000000000000000000000000000000000000000..797d113e6d61e03b31e62ad8e7a2a90ce30cb34b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_100.puml
@@ -0,0 +1,77 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Freelancer Engagement" as Group0 #ECEFF1 {
+    component "Employee Referral Program" as nest0_0 #E1F5FE
+    cloud "Recruitment Metrics Reporting" as nest0_1 #E1F5FE
+}
+rectangle "AI in Recruitment" as Group1 #FCE4EC {
+    folder "Candidate Experience Management" as nest1_0 #FFCDD2
+    folder "Social Recruiting" as nest1_1 #DFE7EB
+    frame "Recruiter Training" as nest1_2 #DFE7EB
+    folder "Employer Branding" as nest1_3 #FFCDD2
+}
+folder "Recruitment Process Outsourcing Management" as N0 #FFCDD2
+frame "Internal Mobility" as N1 #E1F5FE
+usecase "Recruitment Analytics" as N2 #E1F5FE
+database "Executive Search" as N3 #DFE7EB
+folder "Job Description Creation" as N4 #E1F5FE
+artifact "Candidate Screening" as N5 #FFCDD2
+rectangle "Recruitment Marketing" as N6 #E1F5FE
+node "Interview Conducting" as N7 #DFE7EB
+folder "Global Recruitment Strategy" as N8 #DFE7EB
+folder "Compliance in Hiring" as N9 #FFCDD2
+usecase "Background Check" as N10 #E1F5FE
+folder "Candidate Tracking" as N11 #E1F5FE
+database "Temporary Staffing" as N12 #DFE7EB
+folder "Video Interviewing" as N13 #FFCDD2
+node "Applicant Tracking System Management" as N14 #FFCDD2
+folder "Reference Checking" as N15 #DFE7EB
+rectangle "Candidate Assessment Design" as N16 #FFCDD2
+database "Passive Candidate Engagement" as N17 #DFE7EB
+circle " " as S0 #E1F5FE
+circle " " as S1 #FFCDD2
+circle " " as M0 #E1F5FE
+circle " " as M1 #DFE7EB
+N0 ..[#B0C5CD]..> N1
+N1 ..[#B0C5CD]..> N2
+N2 ..[#B0C5CD]..> N3
+N3 ..[#B0C5CD]..> N4
+N4 -[#B0C5CD]-> N5
+N5 -[#000000]-> N6
+N6 -[#4FC3F7]-> N7
+N7 ..[#F44336]..> N8
+N8 ..[#B0C5CD]..> N9
+N9 ..[#000000]..> N10
+N10 ..[#F44336]..> N11
+N11 ..[#B0C5CD]..> N12
+N12 -[#F44336]-> N13 : onboards
+N13 ..[#B0C5CD]..> N14
+N14 -[#F44336]-> N15
+N15 -[#F44336]-> N16
+N16 ..[#4FC3F7]..> N17 : analyzes
+nest0_0 -[#4FC3F7]-> nest0_1
+N9 -[#F44336]-> nest0_0
+nest0_1 ..[#F44336]..> N7
+nest1_0 ..[#4FC3F7]..> nest1_1
+nest1_1 -[#000000]-> nest1_2 : builds
+nest1_2 -[#000000]-> nest1_3 : reports
+N16 -[#4FC3F7]-> nest1_0
+nest1_3 -[#4FC3F7]-> N4
+N12 ..[#000000]..> S0
+S0 ..[#4FC3F7]..> N17 : hires
+S0 -[#000000]-> N15
+N9 -[#B0C5CD]-> S1
+S1 ..[#4FC3F7]..> N15
+S1 -[#000000]-> N16
+N4 ..[#F44336]..> M0 : trains
+N3 ..[#4FC3F7]..> M0 : screens
+N5 ..[#000000]..> M0
+N2 ..[#4FC3F7]..> M0
+M0 -[#B0C5CD]-> N7
+N2 -[#000000]-> M1
+N5 -[#000000]-> M1
+N6 ..[#F44336]..> M1
+M1 ..[#000000]..> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_100.txt b/test/plantuml/graph_hard/plantuml_100.txt
new file mode 100644
index 0000000000000000000000000000000000000000..05dc7a920d017ead599149f3b8e01843d5bfa8bd
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_100.txt
@@ -0,0 +1,42 @@
+<Applicant Tracking System Management, connectedTo, Reference Checking>
+<Background Check, connectedTo, Candidate Tracking>
+<Candidate Assessment Design, analyzes, Passive Candidate Engagement>
+<Candidate Assessment Design, connectedTo, Candidate Experience Management>
+<Candidate Experience Management, connectedTo, Social Recruiting>
+<Candidate Experience Management, partOf, AI in Recruitment>
+<Candidate Screening, connectedTo, Background Check>
+<Candidate Screening, connectedTo, Interview Conducting>
+<Candidate Screening, connectedTo, Recruitment Marketing>
+<Candidate Tracking, connectedTo, Temporary Staffing>
+<Compliance in Hiring, connectedTo, Background Check>
+<Compliance in Hiring, connectedTo, Candidate Assessment Design>
+<Compliance in Hiring, connectedTo, Employee Referral Program>
+<Compliance in Hiring, connectedTo, Reference Checking>
+<Employee Referral Program, connectedTo, Recruitment Metrics Reporting>
+<Employee Referral Program, partOf, Freelancer Engagement>
+<Employer Branding, connectedTo, Job Description Creation>
+<Employer Branding, partOf, AI in Recruitment>
+<Executive Search, connectedTo, Job Description Creation>
+<Executive Search, screens, Interview Conducting>
+<Global Recruitment Strategy, connectedTo, Compliance in Hiring>
+<Internal Mobility, connectedTo, Recruitment Analytics>
+<Interview Conducting, connectedTo, Global Recruitment Strategy>
+<Job Description Creation, connectedTo, Candidate Screening>
+<Job Description Creation, trains, Interview Conducting>
+<Recruiter Training, partOf, AI in Recruitment>
+<Recruiter Training, reports, Employer Branding>
+<Recruitment Analytics, connectedTo, Background Check>
+<Recruitment Analytics, connectedTo, Executive Search>
+<Recruitment Analytics, connectedTo, Interview Conducting>
+<Recruitment Marketing, connectedTo, Background Check>
+<Recruitment Marketing, connectedTo, Interview Conducting>
+<Recruitment Metrics Reporting, connectedTo, Interview Conducting>
+<Recruitment Metrics Reporting, partOf, Freelancer Engagement>
+<Recruitment Process Outsourcing Management, connectedTo, Internal Mobility>
+<Reference Checking, connectedTo, Candidate Assessment Design>
+<Social Recruiting, builds, Recruiter Training>
+<Social Recruiting, partOf, AI in Recruitment>
+<Temporary Staffing, connectedTo, Reference Checking>
+<Temporary Staffing, hires, Passive Candidate Engagement>
+<Temporary Staffing, onboards, Video Interviewing>
+<Video Interviewing, connectedTo, Applicant Tracking System Management>
diff --git a/test/plantuml/graph_hard/plantuml_101.puml b/test/plantuml/graph_hard/plantuml_101.puml
new file mode 100644
index 0000000000000000000000000000000000000000..e4e7ff516090c9609e6c9c783fd89fb976843121
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_101.puml
@@ -0,0 +1,59 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Offer Extension" as Group0 #FBE9E7 {
+    artifact "Contingent Workforce Management" as nest0_0 #E4E0DF
+    folder "Psychometric Testing" as nest0_1 #B3E5FC
+    folder "Compliance in Hiring" as nest0_2 #E4E0DF
+    component "Recruiter Training" as nest0_3 #B3E5FC
+}
+rectangle "Job Fair Organization" as Group1 #E0F2F1 {
+    component "AI in Recruitment" as nest1_0 #C5CAE9
+    folder "Reference Checking" as nest1_1 #B3E5FC
+    folder "Competency_Based Interviewing" as nest1_2 #C5CAE9
+}
+database "Recruitment Analytics" as N0 #E4E0DF
+component "Candidate Experience Management" as N1 #C5CAE9
+database "Internal Mobility" as N2 #B3E5FC
+node "Headhunting" as N3 #C5CAE9
+artifact "Executive Search" as N4 #B3E5FC
+folder "Passive Candidate Engagement" as N5 #C5CAE9
+frame "Interview Conducting" as N6 #C5CAE9
+artifact "Candidate Screening" as N7 #B3E5FC
+circle " " as S0 #C5CAE9
+circle " " as S1 #B3E5FC
+circle " " as M1 #E4E0DF
+circle " " as M2 #C5CAE9
+N0 -[#BDAFA8]-> N1
+N1 ..[#BDAFA8]..> N2
+N2 ..[#3F51B5]..> N3 : secures
+N3 -[#3F51B5]-> N4 : selects
+N4 -[#3F51B5]-> N5
+N5 -[#000000]-> N6
+N6 -[#03A9F4]-> N7
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 ..[#3F51B5]..> nest0_2
+nest0_2 -[#000000]-> nest0_3 : matches
+N3 ..[#000000]..> nest0_0
+nest0_3 -[#BDAFA8]-> N5
+nest1_0 ..[#BDAFA8]..> nest1_1
+nest1_1 ..[#3F51B5]..> nest1_2 : trains
+N4 ..[#000000]..> nest1_0
+nest1_2 -[#03A9F4]-> N7
+N0 -[#000000]-> S0
+S0 ..[#000000]..> N7
+S0 -[#BDAFA8]-> N5
+S0 ..[#000000]..> N4
+N2 -[#03A9F4]-> S1
+S1 -[#BDAFA8]-> N6
+S1 -[#3F51B5]-> N7
+N2 ..[#03A9F4]..> M1
+N0 ..[#000000]..> M1
+N3 -[#3F51B5]-> M1
+N1 -[#000000]-> M1
+M1 -[#03A9F4]-> N5
+N0 -[#03A9F4]-> M2
+N3 -[#000000]-> M2 : builds
+M2 ..[#000000]..> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_101.txt b/test/plantuml/graph_hard/plantuml_101.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fbf79bd10609ce2ec9539ac9f415175f17732794
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_101.txt
@@ -0,0 +1,32 @@
+<AI in Recruitment, connectedTo, Reference Checking>
+<AI in Recruitment, partOf, Job Fair Organization>
+<Candidate Experience Management, connectedTo, Internal Mobility>
+<Candidate Experience Management, connectedTo, Passive Candidate Engagement>
+<Competency_Based Interviewing, connectedTo, Candidate Screening>
+<Competency_Based Interviewing, partOf, Job Fair Organization>
+<Compliance in Hiring, matches, Recruiter Training>
+<Compliance in Hiring, partOf, Offer Extension>
+<Contingent Workforce Management, connectedTo, Psychometric Testing>
+<Contingent Workforce Management, partOf, Offer Extension>
+<Executive Search, connectedTo, AI in Recruitment>
+<Executive Search, connectedTo, Passive Candidate Engagement>
+<Headhunting, builds, Candidate Screening>
+<Headhunting, connectedTo, Contingent Workforce Management>
+<Headhunting, connectedTo, Passive Candidate Engagement>
+<Headhunting, selects, Executive Search>
+<Internal Mobility, connectedTo, Candidate Screening>
+<Internal Mobility, connectedTo, Interview Conducting>
+<Internal Mobility, connectedTo, Passive Candidate Engagement>
+<Internal Mobility, secures, Headhunting>
+<Interview Conducting, connectedTo, Candidate Screening>
+<Passive Candidate Engagement, connectedTo, Interview Conducting>
+<Psychometric Testing, connectedTo, Compliance in Hiring>
+<Psychometric Testing, partOf, Offer Extension>
+<Recruiter Training, connectedTo, Passive Candidate Engagement>
+<Recruiter Training, partOf, Offer Extension>
+<Recruitment Analytics, connectedTo, Candidate Experience Management>
+<Recruitment Analytics, connectedTo, Candidate Screening>
+<Recruitment Analytics, connectedTo, Executive Search>
+<Recruitment Analytics, connectedTo, Passive Candidate Engagement>
+<Reference Checking, partOf, Job Fair Organization>
+<Reference Checking, trains, Competency_Based Interviewing>
diff --git a/test/plantuml/graph_hard/plantuml_102.puml b/test/plantuml/graph_hard/plantuml_102.puml
new file mode 100644
index 0000000000000000000000000000000000000000..63ca03cc946de27a7f1b8e4c1356f59f85a21827
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_102.puml
@@ -0,0 +1,76 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Candidate Assessment Design" as Group0 #FFF3E0 {
+    rectangle "Temporary Staffing" as nest0_0 #E8F0FF
+    node "Offer Extension" as nest0_1 #E8F0FF
+}
+rectangle "Campus Recruitment" as Group1 #EDE7F6 {
+    folder "Candidate Screening" as nest1_0 #E8F0FF
+    cloud "Psychometric Testing" as nest1_1 #E6EE9C
+}
+database "Recruitment Analytics" as N0 #E6EE9C
+node "Recruiter Training" as N1 #EDE7F6
+database "Global Recruitment Strategy" as N2 #E6EE9C
+folder "Reference Checking" as N3 #EDE7F6
+rectangle "Candidate Relationship Management" as N4 #E6EE9C
+component "Video Interviewing" as N5 #E6EE9C
+artifact "Applicant Tracking System Management" as N6 #E8F0FF
+usecase "Job Fair Organization" as N7 #E8F0FF
+rectangle "Candidate Tracking" as N8 #E8F0FF
+database "Freelancer Engagement" as N9 #E6EE9C
+component "Recruitment Marketing" as N10 #E8F0FF
+node "Contingent Workforce Management" as N11 #EDE7F6
+folder "Recruitment Metrics Reporting" as N12 #E6EE9C
+database "Onboarding Handoff" as N13 #E6EE9C
+node "Interview Conducting" as N14 #E6EE9C
+frame "Employee Referral Program" as N15 #EDE7F6
+usecase "Headhunting" as N16 #E6EE9C
+folder "Background Check" as N17 #E8F0FF
+circle " " as S0 #E6EE9C
+circle " " as S1 #EDE7F6
+circle " " as S2 #E6EE9C
+circle " " as M0 #EDE7F6
+circle " " as M1 #E8F0FF
+N0 -[#7E57C2]-> N1
+N1 ..[#7E57C2]..> N2
+N2 ..[#7E57C2]..> N3
+N3 -[#CDDC39]-> N4
+N4 ..[#CDDC39]..> N5
+N5 ..[#7E57C2]..> N6
+N6 -[#CDDC39]-> N7
+N7 -[#CDDC39]-> N8
+N8 -[#CDDC39]-> N9
+N9 -[#A2D0FF]-> N10
+N10 -[#CDDC39]-> N11
+N11 -[#CDDC39]-> N12
+N12 ..[#000000]..> N13
+N13 -[#000000]-> N14
+N14 ..[#CDDC39]..> N15
+N15 ..[#7E57C2]..> N16
+N16 ..[#CDDC39]..> N17
+nest0_0 -[#CDDC39]-> nest0_1
+N8 ..[#7E57C2]..> nest0_0
+nest0_1 ..[#000000]..> N16
+nest1_0 ..[#000000]..> nest1_1
+N10 ..[#A2D0FF]..> nest1_0
+nest1_1 -[#7E57C2]-> N10
+N1 ..[#CDDC39]..> S0
+S0 ..[#000000]..> N16
+S0 ..[#7E57C2]..> N17
+S0 ..[#7E57C2]..> N8
+N7 -[#CDDC39]-> S1
+S1 -[#A2D0FF]-> N10
+S1 -[#A2D0FF]-> N14
+S1 -[#7E57C2]-> N17
+N4 -[#CDDC39]-> S2
+S2 ..[#000000]..> N14
+S2 ..[#CDDC39]..> N12
+N0 ..[#CDDC39]..> M0
+N1 -[#7E57C2]-> M0
+M0 ..[#000000]..> N3
+N14 ..[#7E57C2]..> M1
+N10 -[#000000]-> M1
+M1 -[#CDDC39]-> N16
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_102.txt b/test/plantuml/graph_hard/plantuml_102.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c3aa630a004375d069cb1fb9537aadf7251848be
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_102.txt
@@ -0,0 +1,39 @@
+<Applicant Tracking System Management, connectedTo, Job Fair Organization>
+<Candidate Relationship Management, connectedTo, Interview Conducting>
+<Candidate Relationship Management, connectedTo, Recruitment Metrics Reporting>
+<Candidate Relationship Management, connectedTo, Video Interviewing>
+<Candidate Screening, connectedTo, Psychometric Testing>
+<Candidate Screening, partOf, Campus Recruitment>
+<Candidate Tracking, connectedTo, Freelancer Engagement>
+<Candidate Tracking, connectedTo, Temporary Staffing>
+<Contingent Workforce Management, connectedTo, Recruitment Metrics Reporting>
+<Employee Referral Program, connectedTo, Headhunting>
+<Freelancer Engagement, connectedTo, Recruitment Marketing>
+<Global Recruitment Strategy, connectedTo, Reference Checking>
+<Headhunting, connectedTo, Background Check>
+<Interview Conducting, connectedTo, Employee Referral Program>
+<Interview Conducting, connectedTo, Headhunting>
+<Job Fair Organization, connectedTo, Background Check>
+<Job Fair Organization, connectedTo, Candidate Tracking>
+<Job Fair Organization, connectedTo, Interview Conducting>
+<Job Fair Organization, connectedTo, Recruitment Marketing>
+<Offer Extension, connectedTo, Headhunting>
+<Offer Extension, partOf, Candidate Assessment Design>
+<Onboarding Handoff, connectedTo, Interview Conducting>
+<Psychometric Testing, connectedTo, Recruitment Marketing>
+<Psychometric Testing, partOf, Campus Recruitment>
+<Recruiter Training, connectedTo, Background Check>
+<Recruiter Training, connectedTo, Candidate Tracking>
+<Recruiter Training, connectedTo, Global Recruitment Strategy>
+<Recruiter Training, connectedTo, Headhunting>
+<Recruiter Training, connectedTo, Reference Checking>
+<Recruitment Analytics, connectedTo, Recruiter Training>
+<Recruitment Analytics, connectedTo, Reference Checking>
+<Recruitment Marketing, connectedTo, Candidate Screening>
+<Recruitment Marketing, connectedTo, Contingent Workforce Management>
+<Recruitment Marketing, connectedTo, Headhunting>
+<Recruitment Metrics Reporting, connectedTo, Onboarding Handoff>
+<Reference Checking, connectedTo, Candidate Relationship Management>
+<Temporary Staffing, connectedTo, Offer Extension>
+<Temporary Staffing, partOf, Candidate Assessment Design>
+<Video Interviewing, connectedTo, Applicant Tracking System Management>
diff --git a/test/plantuml/graph_hard/plantuml_103.puml b/test/plantuml/graph_hard/plantuml_103.puml
new file mode 100644
index 0000000000000000000000000000000000000000..ddd52cc7847537daed4d90d1fa03ff333ee05aa1
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_103.puml
@@ -0,0 +1,78 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Customer Satisfaction Survey" as Group0 #E8F5E9 {
+    cloud "Customer Success Management" as nest0_0 #EDF5F3
+    frame "Post_Service Follow_up" as nest0_1 #FCFCE7
+    artifact "Refund Processing" as nest0_2 #FCFCE7
+}
+rectangle "Email Support" as Group1 #FFF3E0 {
+    rectangle "Virtual Assistant Interaction" as nest1_0 #FCFCE7
+    cloud "Order Status Check" as nest1_1 #EDF5F3
+    cloud "First Contact Resolution Optimization" as nest1_2 #FCFCE7
+}
+usecase "Proactive Communication" as N0 #FCFCE7
+frame "Knowledge Base Creation" as N1 #DDCEDD
+frame "Customer Retention Strategies" as N2 #EDF5F3
+folder "Service Blueprinting" as N3 #FCFCE7
+folder "Complaint Trend Analysis" as N4 #DDCEDD
+node "Technical Support" as N5 #FCFCE7
+frame "Customer Journey Mapping" as N6 #DDCEDD
+usecase "Customer Loyalty Program Support" as N7 #DDCEDD
+rectangle "Feedback Loop to Product Development" as N8 #FCFCE7
+database "Accessibility Support" as N9 #EDF5F3
+database "Training Customer Service Agents" as N10 #DDCEDD
+rectangle "Issue Escalation" as N11 #EDF5F3
+folder "Multilingual Support" as N12 #FCFCE7
+usecase "Account Management" as N13 #DDCEDD
+circle " " as S0 #FCFCE7
+circle " " as S1 #DDCEDD
+circle " " as M0 #DDCEDD
+circle " " as M1 #DDCEDD
+circle " " as M2 #FCFCE7
+N0 -[#A1D7CD]-> N1 : diagnoses
+N1 ..[#AF56A6]..> N2
+N2 -[#000000]-> N3
+N3 ..[#000000]..> N4
+N4 ..[#A1D7CD]..> N5
+N5 ..[#A1D7CD]..> N6
+N6 ..[#DCE775]..> N7
+N7 ..[#000000]..> N8 : complies
+N8 ..[#A1D7CD]..> N9
+N9 ..[#DCE775]..> N10
+N10 -[#AF56A6]-> N11
+N11 -[#AF56A6]-> N12
+N12 ..[#000000]..> N13
+nest0_0 -[#AF56A6]-> nest0_1
+nest0_1 ..[#A1D7CD]..> nest0_2
+N10 -[#DCE775]-> nest0_0 : listens
+nest0_2 ..[#000000]..> N4
+nest1_0 -[#AF56A6]-> nest1_1
+nest1_1 ..[#DCE775]..> nest1_2 : records
+N9 ..[#DCE775]..> nest1_0
+nest1_2 ..[#AF56A6]..> N4
+N0 -[#AF56A6]-> S0
+S0 ..[#A1D7CD]..> N4
+S0 ..[#000000]..> N13
+S0 ..[#DCE775]..> N10
+N0 -[#A1D7CD]-> S1
+S1 ..[#AF56A6]..> N7
+S1 ..[#DCE775]..> N4
+S1 ..[#A1D7CD]..> N5
+S1 ..[#A1D7CD]..> N11 : optimizes
+N7 -[#A1D7CD]-> M0
+N2 ..[#DCE775]..> M0
+N5 ..[#000000]..> M0 : improves
+M0 ..[#000000]..> N11
+N0 -[#DCE775]-> M1
+N2 ..[#AF56A6]..> M1
+N5 ..[#A1D7CD]..> M1
+N4 -[#DCE775]-> M1
+M1 -[#DCE775]-> N7
+N0 -[#000000]-> M2
+N1 -[#AF56A6]-> M2
+N4 -[#A1D7CD]-> M2
+N5 ..[#AF56A6]..> M2
+M2 ..[#AF56A6]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_103.txt b/test/plantuml/graph_hard/plantuml_103.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8b4b221878643a97febcb930a01eff01bea3aba0
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_103.txt
@@ -0,0 +1,43 @@
+<Accessibility Support, connectedTo, Training Customer Service Agents>
+<Accessibility Support, connectedTo, Virtual Assistant Interaction>
+<Complaint Trend Analysis, connectedTo, Customer Loyalty Program Support>
+<Complaint Trend Analysis, connectedTo, Feedback Loop to Product Development>
+<Complaint Trend Analysis, connectedTo, Technical Support>
+<Customer Journey Mapping, connectedTo, Customer Loyalty Program Support>
+<Customer Loyalty Program Support, complies, Feedback Loop to Product Development>
+<Customer Loyalty Program Support, connectedTo, Issue Escalation>
+<Customer Retention Strategies, connectedTo, Customer Loyalty Program Support>
+<Customer Retention Strategies, connectedTo, Issue Escalation>
+<Customer Retention Strategies, connectedTo, Service Blueprinting>
+<Customer Success Management, connectedTo, Post_Service Follow_up>
+<Customer Success Management, partOf, Customer Satisfaction Survey>
+<Feedback Loop to Product Development, connectedTo, Accessibility Support>
+<First Contact Resolution Optimization, connectedTo, Complaint Trend Analysis>
+<First Contact Resolution Optimization, partOf, Email Support>
+<Issue Escalation, connectedTo, Multilingual Support>
+<Knowledge Base Creation, connectedTo, Customer Retention Strategies>
+<Knowledge Base Creation, connectedTo, Feedback Loop to Product Development>
+<Multilingual Support, connectedTo, Account Management>
+<Order Status Check, partOf, Email Support>
+<Order Status Check, records, First Contact Resolution Optimization>
+<Post_Service Follow_up, connectedTo, Refund Processing>
+<Post_Service Follow_up, partOf, Customer Satisfaction Survey>
+<Proactive Communication, connectedTo, Account Management>
+<Proactive Communication, connectedTo, Complaint Trend Analysis>
+<Proactive Communication, connectedTo, Customer Loyalty Program Support>
+<Proactive Communication, connectedTo, Feedback Loop to Product Development>
+<Proactive Communication, connectedTo, Technical Support>
+<Proactive Communication, connectedTo, Training Customer Service Agents>
+<Proactive Communication, diagnoses, Knowledge Base Creation>
+<Proactive Communication, optimizes, Issue Escalation>
+<Refund Processing, connectedTo, Complaint Trend Analysis>
+<Refund Processing, partOf, Customer Satisfaction Survey>
+<Service Blueprinting, connectedTo, Complaint Trend Analysis>
+<Technical Support, connectedTo, Customer Journey Mapping>
+<Technical Support, connectedTo, Customer Loyalty Program Support>
+<Technical Support, connectedTo, Feedback Loop to Product Development>
+<Technical Support, improves, Issue Escalation>
+<Training Customer Service Agents, connectedTo, Issue Escalation>
+<Training Customer Service Agents, listens, Customer Success Management>
+<Virtual Assistant Interaction, connectedTo, Order Status Check>
+<Virtual Assistant Interaction, partOf, Email Support>
diff --git a/test/plantuml/graph_hard/plantuml_104.txt b/test/plantuml/graph_hard/plantuml_104.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b32a4c197743d5ee120197fc426ff3bc483049b4
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_104.txt
@@ -0,0 +1,29 @@
+<Accessibility Support, connectedTo, Proactive Communication>
+<Complaint Trend Analysis, connectedTo, Personalized Assistance>
+<Complaint Trend Analysis, connectedTo, Training Customer Service Agents>
+<Complaint Trend Analysis, surveys, Technical Support>
+<Customer Onboarding Support, connectedTo, Social Media Response>
+<Customer Onboarding Support, partOf, FAQ Management>
+<Customer Relationship Management System Use, connectedTo, Complaint Trend Analysis>
+<Customer Relationship Management System Use, supports, Technical Support>
+<Customer Satisfaction Survey, connectedTo, Product Information Provision>
+<Customer Satisfaction Survey, partOf, Complaint Resolution>
+<Feedback Collection, partOf, FAQ Management>
+<Feedback Collection, processes, Customer Onboarding Support>
+<Live Chat Support, connectedTo, Social Media Response>
+<Multilingual Support, connectedTo, Customer Satisfaction Survey>
+<Multilingual Support, connectedTo, Live Chat Support>
+<Personalized Assistance, connectedTo, Technical Support>
+<Proactive Communication, collects, Personalized Assistance>
+<Proactive Communication, complies, Training Customer Service Agents>
+<Proactive Communication, connectedTo, Complaint Trend Analysis>
+<Proactive Communication, connectedTo, Customer Relationship Management System Use>
+<Proactive Communication, connectedTo, Feedback Collection>
+<Proactive Communication, connectedTo, Up_selling Opportunities>
+<Product Information Provision, connectedTo, Technical Support>
+<Product Information Provision, partOf, Complaint Resolution>
+<Service Blueprinting, connectedTo, Multilingual Support>
+<Service Blueprinting, connectedTo, Technical Support>
+<Social Media Response, connectedTo, Accessibility Support>
+<Training Customer Service Agents, connectedTo, Personalized Assistance>
+<Up_selling Opportunities, connectedTo, Customer Relationship Management System Use>
diff --git a/test/plantuml/graph_hard/plantuml_105.puml b/test/plantuml/graph_hard/plantuml_105.puml
new file mode 100644
index 0000000000000000000000000000000000000000..ef28955770a0bfc751af637fa0b2f8ce2134c548
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_105.puml
@@ -0,0 +1,71 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Account Management" as Group0 #ECEFF1 {
+    cloud "FAQ Management" as nest0_0 #FFE88D
+    cloud "Customer Satisfaction Survey" as nest0_1 #F6F6F6
+}
+rectangle "Sentiment Analysis" as Group1 #F3E5F5 {
+    frame "Up_selling Opportunities" as nest1_0 #D3D7EB
+    database "Post_Service Follow_up" as nest1_1 #FFE88D
+}
+folder "Refund Processing" as N0 #F6F6F6
+folder "Service Recovery" as N1 #F6F6F6
+component "Feedback Loop to Product Development" as N2 #F6F6F6
+rectangle "Phone Support" as N3 #FFE88D
+node "Social Media Response" as N4 #D3D7EB
+node "Self_Service Portal Management" as N5 #F6F6F6
+frame "Feedback Collection" as N6 #FFE88D
+artifact "Order Status Check" as N7 #F6F6F6
+rectangle "Customer Onboarding Support" as N8 #F6F6F6
+frame "Multilingual Support" as N9 #D3D7EB
+folder "Customer Retention Strategies" as N10 #F6F6F6
+artifact "Customer Journey Mapping" as N11 #D3D7EB
+artifact "Personalized Assistance" as N12 #FFE88D
+circle " " as S0 #D3D7EB
+circle " " as S1 #F6F6F6
+circle " " as S2 #D3D7EB
+circle " " as M0 #FFE88D
+circle " " as M1 #D3D7EB
+circle " " as M2 #F6F6F6
+N0 -[#CFCFCF]-> N1
+N1 ..[#FFDA4E]..> N2
+N2 ..[#8C9EFF]..> N3
+N3 -[#8C9EFF]-> N4
+N4 -[#000000]-> N5
+N5 -[#CFCFCF]-> N6
+N6 -[#8C9EFF]-> N7
+N7 -[#FFDA4E]-> N8
+N8 ..[#FFDA4E]..> N9
+N9 ..[#FFDA4E]..> N10
+N10 -[#FFDA4E]-> N11
+N11 ..[#8C9EFF]..> N12
+nest0_0 ..[#CFCFCF]..> nest0_1
+N2 -[#CFCFCF]-> nest0_0
+nest0_1 -[#CFCFCF]-> N1
+nest1_0 -[#000000]-> nest1_1
+N9 ..[#CFCFCF]..> nest1_0
+nest1_1 ..[#000000]..> N9
+N8 ..[#CFCFCF]..> S0
+S0 -[#8C9EFF]-> N12
+S0 ..[#8C9EFF]..> N11
+S0 ..[#000000]..> N10
+N2 ..[#FFDA4E]..> S1
+S1 -[#CFCFCF]-> N8
+S1 -[#000000]-> N6
+N7 -[#CFCFCF]-> S2
+S2 ..[#CFCFCF]..> N10
+S2 -[#8C9EFF]-> N11
+N3 -[#FFDA4E]-> M0
+N0 -[#000000]-> M0
+N2 ..[#FFDA4E]..> M0
+M0 -[#CFCFCF]-> N7
+N0 ..[#FFDA4E]..> M1
+N1 -[#8C9EFF]-> M1
+M1 ..[#CFCFCF]..> N3
+N0 ..[#000000]..> M2 : assists
+N3 ..[#CFCFCF]..> M2
+N1 -[#FFDA4E]-> M2
+M2 ..[#FFDA4E]..> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_105.txt b/test/plantuml/graph_hard/plantuml_105.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f69b6882dfa6ebe37027d1f647a90fddfbf3439b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_105.txt
@@ -0,0 +1,37 @@
+<Customer Journey Mapping, connectedTo, Personalized Assistance>
+<Customer Onboarding Support, connectedTo, Customer Journey Mapping>
+<Customer Onboarding Support, connectedTo, Customer Retention Strategies>
+<Customer Onboarding Support, connectedTo, Multilingual Support>
+<Customer Onboarding Support, connectedTo, Personalized Assistance>
+<Customer Retention Strategies, connectedTo, Customer Journey Mapping>
+<Customer Satisfaction Survey, connectedTo, Service Recovery>
+<Customer Satisfaction Survey, partOf, Account Management>
+<FAQ Management, connectedTo, Customer Satisfaction Survey>
+<FAQ Management, partOf, Account Management>
+<Feedback Collection, connectedTo, Order Status Check>
+<Feedback Loop to Product Development, connectedTo, Customer Onboarding Support>
+<Feedback Loop to Product Development, connectedTo, FAQ Management>
+<Feedback Loop to Product Development, connectedTo, Feedback Collection>
+<Feedback Loop to Product Development, connectedTo, Order Status Check>
+<Feedback Loop to Product Development, connectedTo, Phone Support>
+<Multilingual Support, connectedTo, Customer Retention Strategies>
+<Multilingual Support, connectedTo, Up_selling Opportunities>
+<Order Status Check, connectedTo, Customer Journey Mapping>
+<Order Status Check, connectedTo, Customer Onboarding Support>
+<Order Status Check, connectedTo, Customer Retention Strategies>
+<Phone Support, connectedTo, Order Status Check>
+<Phone Support, connectedTo, Self_Service Portal Management>
+<Phone Support, connectedTo, Social Media Response>
+<Post_Service Follow_up, connectedTo, Multilingual Support>
+<Post_Service Follow_up, partOf, Sentiment Analysis>
+<Refund Processing, assists, Self_Service Portal Management>
+<Refund Processing, connectedTo, Order Status Check>
+<Refund Processing, connectedTo, Phone Support>
+<Refund Processing, connectedTo, Service Recovery>
+<Self_Service Portal Management, connectedTo, Feedback Collection>
+<Service Recovery, connectedTo, Feedback Loop to Product Development>
+<Service Recovery, connectedTo, Phone Support>
+<Service Recovery, connectedTo, Self_Service Portal Management>
+<Social Media Response, connectedTo, Self_Service Portal Management>
+<Up_selling Opportunities, connectedTo, Post_Service Follow_up>
+<Up_selling Opportunities, partOf, Sentiment Analysis>
diff --git a/test/plantuml/graph_hard/plantuml_106.puml b/test/plantuml/graph_hard/plantuml_106.puml
new file mode 100644
index 0000000000000000000000000000000000000000..73cf822c570a88b42c51139412f446ff02f47327
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_106.puml
@@ -0,0 +1,68 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Contract Manufacturing Oversight" as Group0 #E8F5E9 {
+    folder "Inventory Management" as nest0_0 #CFD8DC
+    node "Collaborative Planning" as nest0_1 #CADEDE
+    frame "Resilience Planning" as nest0_2 #CFD8DC
+}
+rectangle "Sustainability Initiatives" as Group1 #F1F8E9 {
+    folder "Warehousing" as nest1_0 #CFD8DC
+    database "Intermodal Transportation" as nest1_1 #CADEDE
+    folder "Supplier Selection" as nest1_2 #B2EBF2
+    folder "Hazardous Materials Handling" as nest1_3 #B2EBF2
+}
+folder "Performance Monitoring" as N0 #CADEDE
+database "Production Scheduling Integration" as N1 #CFD8DC
+component "Procurement" as N2 #CFD8DC
+node "Material Flow Management" as N3 #CADEDE
+component "Third_Party Logistics Management" as N4 #CADEDE
+frame "Circular Economy Practices" as N5 #B2EBF2
+folder "Production Planning" as N6 #CADEDE
+frame "Data Analytics for Supply Chain" as N7 #CFD8DC
+folder "Warehouse Automation" as N8 #CFD8DC
+artifact "Global Sourcing Strategy" as N9 #B2EBF2
+rectangle "Digital Twin of Supply Chain" as N10 #CADEDE
+circle " " as S0 #CADEDE
+circle " " as S1 #CADEDE
+circle " " as S2 #CADEDE
+circle " " as M0 #CFD8DC
+N0 ..[#000000]..> N1
+N1 ..[#000000]..> N2 : complies
+N2 -[#00BCD4]-> N3
+N3 ..[#000000]..> N4
+N4 ..[#607D8B]..> N5
+N5 -[#94C0C0]-> N6
+N6 -[#000000]-> N7 : regulates
+N7 ..[#94C0C0]..> N8
+N8 ..[#000000]..> N9
+N9 -[#607D8B]-> N10
+nest0_0 -[#607D8B]-> nest0_1
+nest0_1 -[#607D8B]-> nest0_2
+N5 ..[#94C0C0]..> nest0_0
+nest0_2 ..[#00BCD4]..> N8
+nest1_0 -[#607D8B]-> nest1_1
+nest1_1 ..[#000000]..> nest1_2
+nest1_2 -[#94C0C0]-> nest1_3
+N2 -[#94C0C0]-> nest1_0
+nest1_3 ..[#94C0C0]..> N9 : coordinates
+N1 -[#00BCD4]-> S0
+S0 ..[#607D8B]..> N9
+S0 ..[#94C0C0]..> N3
+S0 -[#607D8B]-> N7
+S0 ..[#94C0C0]..> N10 : returns
+N4 -[#607D8B]-> S1
+S1 ..[#94C0C0]..> N9
+S1 ..[#000000]..> N7
+S1 ..[#94C0C0]..> N10
+N0 ..[#00BCD4]..> S2
+S2 ..[#607D8B]..> N5
+S2 ..[#94C0C0]..> N2
+S2 -[#000000]-> N10 : risk
+N7 -[#000000]-> M0
+N0 -[#00BCD4]-> M0
+N6 ..[#607D8B]..> M0
+N3 ..[#607D8B]..> M0
+M0 ..[#607D8B]..> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_106.txt b/test/plantuml/graph_hard/plantuml_106.txt
new file mode 100644
index 0000000000000000000000000000000000000000..690589a598c070a5f416379adc6e630a8bc2ab52
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_106.txt
@@ -0,0 +1,40 @@
+<Circular Economy Practices, connectedTo, Inventory Management>
+<Circular Economy Practices, connectedTo, Production Planning>
+<Collaborative Planning, connectedTo, Resilience Planning>
+<Collaborative Planning, partOf, Contract Manufacturing Oversight>
+<Data Analytics for Supply Chain, connectedTo, Global Sourcing Strategy>
+<Data Analytics for Supply Chain, connectedTo, Warehouse Automation>
+<Global Sourcing Strategy, connectedTo, Digital Twin of Supply Chain>
+<Hazardous Materials Handling, coordinates, Global Sourcing Strategy>
+<Hazardous Materials Handling, partOf, Sustainability Initiatives>
+<Intermodal Transportation, connectedTo, Supplier Selection>
+<Intermodal Transportation, partOf, Sustainability Initiatives>
+<Inventory Management, connectedTo, Collaborative Planning>
+<Inventory Management, partOf, Contract Manufacturing Oversight>
+<Material Flow Management, connectedTo, Global Sourcing Strategy>
+<Material Flow Management, connectedTo, Third_Party Logistics Management>
+<Performance Monitoring, connectedTo, Circular Economy Practices>
+<Performance Monitoring, connectedTo, Global Sourcing Strategy>
+<Performance Monitoring, connectedTo, Procurement>
+<Performance Monitoring, connectedTo, Production Scheduling Integration>
+<Performance Monitoring, risk, Digital Twin of Supply Chain>
+<Procurement, connectedTo, Material Flow Management>
+<Procurement, connectedTo, Warehousing>
+<Production Planning, connectedTo, Global Sourcing Strategy>
+<Production Planning, regulates, Data Analytics for Supply Chain>
+<Production Scheduling Integration, complies, Procurement>
+<Production Scheduling Integration, connectedTo, Data Analytics for Supply Chain>
+<Production Scheduling Integration, connectedTo, Global Sourcing Strategy>
+<Production Scheduling Integration, connectedTo, Material Flow Management>
+<Production Scheduling Integration, returns, Digital Twin of Supply Chain>
+<Resilience Planning, connectedTo, Warehouse Automation>
+<Resilience Planning, partOf, Contract Manufacturing Oversight>
+<Supplier Selection, connectedTo, Hazardous Materials Handling>
+<Supplier Selection, partOf, Sustainability Initiatives>
+<Third_Party Logistics Management, connectedTo, Circular Economy Practices>
+<Third_Party Logistics Management, connectedTo, Data Analytics for Supply Chain>
+<Third_Party Logistics Management, connectedTo, Digital Twin of Supply Chain>
+<Third_Party Logistics Management, connectedTo, Global Sourcing Strategy>
+<Warehouse Automation, connectedTo, Global Sourcing Strategy>
+<Warehousing, connectedTo, Intermodal Transportation>
+<Warehousing, partOf, Sustainability Initiatives>
diff --git a/test/plantuml/graph_hard/plantuml_107.puml b/test/plantuml/graph_hard/plantuml_107.puml
new file mode 100644
index 0000000000000000000000000000000000000000..763d2b01e6a29f2a6754240c6c6e68a30f9a0034
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_107.puml
@@ -0,0 +1,80 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Third_Party Logistics Management" as Group0 #F3E5F5 {
+    database "Supplier Relationship Management" as nest0_0 #D3F7F9
+    node "Production Scheduling Integration" as nest0_1 #BBDEFB
+    database "Supply Chain Finance" as nest0_2 #D3F7F9
+}
+rectangle "Performance Monitoring" as Group1 #E8F5E9 {
+    folder "Reverse Logistics" as nest1_0 #BBDEFB
+    folder "Distribution Network Design" as nest1_1 #BBDEFB
+    folder "Data Analytics for Supply Chain" as nest1_2 #BBDEFB
+    rectangle "Container Tracking" as nest1_3 #DACBE3
+}
+component "Logistics Optimization" as N0 #BBDEFB
+node "Blockchain for Traceability" as N1 #DACBE3
+usecase "Warehousing" as N2 #BBDEFB
+component "Quality Control in Supply Chain" as N3 #BBDEFB
+rectangle "Order Fulfillment" as N4 #BBDEFB
+component "Predictive Analytics" as N5 #BBDEFB
+usecase "Inventory Management" as N6 #DACBE3
+cloud "Cold Chain Logistics" as N7 #DACBE3
+component "Hazardous Materials Handling" as N8 #BBDEFB
+artifact "Customs Compliance" as N9 #BBDEFB
+artifact "Resilience Planning" as N10 #DACBE3
+component "Global Sourcing Strategy" as N11 #BBDEFB
+database "Demand Planning" as N12 #DACBE3
+artifact "Risk Management" as N13 #DACBE3
+folder "Digital Twin of Supply Chain" as N14 #BBDEFB
+cloud "Risk Mitigation Strategies" as N15 #BBDEFB
+artifact "Material Flow Management" as N16 #BBDEFB
+database "Supply Chain Visibility" as N17 #BBDEFB
+circle " " as S0 #D3F7F9
+circle " " as S1 #DACBE3
+circle " " as M0 #BBDEFB
+circle " " as M1 #D3F7F9
+N0 -[#80DDEA]-> N1
+N1 -[#2196F3]-> N2
+N2 -[#A188D0]-> N3
+N3 -[#A188D0]-> N4
+N4 ..[#000000]..> N5
+N5 ..[#80DDEA]..> N6
+N6 ..[#A188D0]..> N7
+N7 -[#A188D0]-> N8
+N8 -[#80DDEA]-> N9
+N9 -[#A188D0]-> N10
+N10 -[#2196F3]-> N11
+N11 ..[#2196F3]..> N12
+N12 -[#2196F3]-> N13
+N13 ..[#80DDEA]..> N14
+N14 -[#2196F3]-> N15 : develops
+N15 -[#2196F3]-> N16
+N16 -[#000000]-> N17 : delivers
+nest0_0 -[#000000]-> nest0_1
+nest0_1 -[#000000]-> nest0_2
+N1 ..[#80DDEA]..> nest0_0
+nest0_2 -[#000000]-> N1 : plans
+nest1_0 -[#80DDEA]-> nest1_1
+nest1_1 ..[#2196F3]..> nest1_2
+nest1_2 -[#000000]-> nest1_3
+N11 -[#A188D0]-> nest1_0
+nest1_3 -[#A188D0]-> N5
+N2 ..[#80DDEA]..> S0
+S0 -[#000000]-> N9
+S0 -[#A188D0]-> N8 : designs
+S0 ..[#A188D0]..> N15
+S0 ..[#80DDEA]..> N16
+N2 -[#2196F3]-> S1
+S1 ..[#80DDEA]..> N7 : visualizes
+S1 ..[#000000]..> N15
+S1 -[#2196F3]-> N10
+N5 -[#A188D0]-> M0 : negotiates
+N0 ..[#2196F3]..> M0
+M0 -[#80DDEA]-> N8
+N4 -[#000000]-> M1
+N7 -[#A188D0]-> M1
+N6 ..[#80DDEA]..> M1
+M1 -[#A188D0]-> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_107.txt b/test/plantuml/graph_hard/plantuml_107.txt
new file mode 100644
index 0000000000000000000000000000000000000000..87dfcf9f325905c63465291ecc3e9cfb6e8af3ed
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_107.txt
@@ -0,0 +1,44 @@
+<Blockchain for Traceability, connectedTo, Supplier Relationship Management>
+<Blockchain for Traceability, connectedTo, Warehousing>
+<Cold Chain Logistics, connectedTo, Customs Compliance>
+<Cold Chain Logistics, connectedTo, Hazardous Materials Handling>
+<Container Tracking, connectedTo, Predictive Analytics>
+<Container Tracking, partOf, Performance Monitoring>
+<Customs Compliance, connectedTo, Resilience Planning>
+<Data Analytics for Supply Chain, connectedTo, Container Tracking>
+<Data Analytics for Supply Chain, partOf, Performance Monitoring>
+<Demand Planning, connectedTo, Risk Management>
+<Digital Twin of Supply Chain, develops, Risk Mitigation Strategies>
+<Distribution Network Design, connectedTo, Data Analytics for Supply Chain>
+<Distribution Network Design, partOf, Performance Monitoring>
+<Global Sourcing Strategy, connectedTo, Demand Planning>
+<Global Sourcing Strategy, connectedTo, Reverse Logistics>
+<Hazardous Materials Handling, connectedTo, Customs Compliance>
+<Inventory Management, connectedTo, Cold Chain Logistics>
+<Inventory Management, connectedTo, Customs Compliance>
+<Logistics Optimization, connectedTo, Blockchain for Traceability>
+<Logistics Optimization, connectedTo, Hazardous Materials Handling>
+<Material Flow Management, delivers, Supply Chain Visibility>
+<Order Fulfillment, connectedTo, Customs Compliance>
+<Order Fulfillment, connectedTo, Predictive Analytics>
+<Predictive Analytics, connectedTo, Inventory Management>
+<Predictive Analytics, negotiates, Hazardous Materials Handling>
+<Production Scheduling Integration, connectedTo, Supply Chain Finance>
+<Production Scheduling Integration, partOf, Third_Party Logistics Management>
+<Quality Control in Supply Chain, connectedTo, Order Fulfillment>
+<Resilience Planning, connectedTo, Global Sourcing Strategy>
+<Reverse Logistics, connectedTo, Distribution Network Design>
+<Reverse Logistics, partOf, Performance Monitoring>
+<Risk Management, connectedTo, Digital Twin of Supply Chain>
+<Risk Mitigation Strategies, connectedTo, Material Flow Management>
+<Supplier Relationship Management, connectedTo, Production Scheduling Integration>
+<Supplier Relationship Management, partOf, Third_Party Logistics Management>
+<Supply Chain Finance, partOf, Third_Party Logistics Management>
+<Supply Chain Finance, plans, Blockchain for Traceability>
+<Warehousing, connectedTo, Customs Compliance>
+<Warehousing, connectedTo, Material Flow Management>
+<Warehousing, connectedTo, Quality Control in Supply Chain>
+<Warehousing, connectedTo, Resilience Planning>
+<Warehousing, connectedTo, Risk Mitigation Strategies>
+<Warehousing, designs, Hazardous Materials Handling>
+<Warehousing, visualizes, Cold Chain Logistics>
diff --git a/test/plantuml/graph_hard/plantuml_108.puml b/test/plantuml/graph_hard/plantuml_108.puml
new file mode 100644
index 0000000000000000000000000000000000000000..81f0e37360ae36a3307a9c4829d28ab6803801c4
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_108.puml
@@ -0,0 +1,56 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Distribution Network Design" as Group0 #EDE7F6 {
+    frame "Customs Compliance" as nest0_0 #D7CCC8
+    folder "Cold Chain Logistics" as nest0_1 #D0E0F8
+}
+rectangle "Digital Twin of Supply Chain" as Group1 #FFF3E0 {
+    folder "Reverse Logistics" as nest1_0 #D7CCC8
+    node "Logistics Optimization" as nest1_1 #D7CCC8
+}
+frame "Quality Control in Supply Chain" as N0 #C8E6C9
+usecase "Supplier Relationship Management" as N1 #D0E0F8
+usecase "Risk Mitigation Strategies" as N2 #D0E0F8
+node "Warehouse Automation" as N3 #D0E0F8
+component "Global Sourcing Strategy" as N4 #D7CCC8
+cloud "Vendor Managed Inventory" as N5 #D7CCC8
+folder "Material Flow Management" as N6 #D7CCC8
+component "Order Fulfillment" as N7 #C8E6C9
+folder "Warehousing" as N8 #D7CCC8
+node "Circular Economy Practices" as N9 #D0E0F8
+cloud "Contract Manufacturing Oversight" as N10 #D7CCC8
+node "Performance Monitoring" as N11 #D7CCC8
+circle " " as S0 #D0E0F8
+circle " " as S1 #D7CCC8
+circle " " as M0 #D0E0F8
+N0 -[#795548]-> N1
+N1 ..[#000000]..> N2
+N2 ..[#795548]..> N3
+N3 ..[#795548]..> N4
+N4 -[#000000]-> N5
+N5 ..[#795548]..> N6
+N6 -[#4285F4]-> N7
+N7 ..[#000000]..> N8
+N8 -[#795548]-> N9
+N9 -[#000000]-> N10
+N10 -[#795548]-> N11
+nest0_0 -[#795548]-> nest0_1
+N1 -[#795548]-> nest0_0
+nest0_1 -[#388E3C]-> N4
+nest1_0 -[#388E3C]-> nest1_1
+N8 ..[#795548]..> nest1_0
+nest1_1 ..[#388E3C]..> N1
+N3 ..[#4285F4]..> S0
+S0 ..[#795548]..> N8
+S0 ..[#4285F4]..> N10
+N5 -[#4285F4]-> S1
+S1 ..[#795548]..> N10
+S1 -[#795548]-> N11
+S1 ..[#000000]..> N7
+S1 ..[#388E3C]..> N8
+N2 -[#4285F4]-> M0
+N0 -[#4285F4]-> M0
+M0 -[#000000]-> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_108.txt b/test/plantuml/graph_hard/plantuml_108.txt
new file mode 100644
index 0000000000000000000000000000000000000000..265bed49829338c8e4263989e627686c45863d46
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_108.txt
@@ -0,0 +1,29 @@
+<Circular Economy Practices, connectedTo, Contract Manufacturing Oversight>
+<Cold Chain Logistics, connectedTo, Global Sourcing Strategy>
+<Cold Chain Logistics, partOf, Distribution Network Design>
+<Contract Manufacturing Oversight, connectedTo, Performance Monitoring>
+<Customs Compliance, connectedTo, Cold Chain Logistics>
+<Customs Compliance, partOf, Distribution Network Design>
+<Global Sourcing Strategy, connectedTo, Vendor Managed Inventory>
+<Logistics Optimization, connectedTo, Supplier Relationship Management>
+<Logistics Optimization, partOf, Digital Twin of Supply Chain>
+<Material Flow Management, connectedTo, Order Fulfillment>
+<Order Fulfillment, connectedTo, Warehousing>
+<Quality Control in Supply Chain, connectedTo, Global Sourcing Strategy>
+<Quality Control in Supply Chain, connectedTo, Supplier Relationship Management>
+<Reverse Logistics, connectedTo, Logistics Optimization>
+<Reverse Logistics, partOf, Digital Twin of Supply Chain>
+<Risk Mitigation Strategies, connectedTo, Global Sourcing Strategy>
+<Risk Mitigation Strategies, connectedTo, Warehouse Automation>
+<Supplier Relationship Management, connectedTo, Customs Compliance>
+<Supplier Relationship Management, connectedTo, Risk Mitigation Strategies>
+<Vendor Managed Inventory, connectedTo, Contract Manufacturing Oversight>
+<Vendor Managed Inventory, connectedTo, Material Flow Management>
+<Vendor Managed Inventory, connectedTo, Order Fulfillment>
+<Vendor Managed Inventory, connectedTo, Performance Monitoring>
+<Vendor Managed Inventory, connectedTo, Warehousing>
+<Warehouse Automation, connectedTo, Contract Manufacturing Oversight>
+<Warehouse Automation, connectedTo, Global Sourcing Strategy>
+<Warehouse Automation, connectedTo, Warehousing>
+<Warehousing, connectedTo, Circular Economy Practices>
+<Warehousing, connectedTo, Reverse Logistics>
diff --git a/test/plantuml/graph_hard/plantuml_109.puml b/test/plantuml/graph_hard/plantuml_109.puml
new file mode 100644
index 0000000000000000000000000000000000000000..55045ed0a059fd6c5cfc50a43b6ee71a658fc2cb
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_109.puml
@@ -0,0 +1,75 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Core Logging" as Group0 #FBE9E7 {
+    artifact "Mineral Processing" as nest0_0 #E0F2F1
+    folder "Resource Estimation" as nest0_1 #E0F2F1
+}
+rectangle "Haulage" as Group1 #E0F2F1 {
+    database "Noise Management" as nest1_0 #CADEDE
+    usecase "Product Marketing" as nest1_1 #E0F2F1
+    frame "Crushing and Grinding" as nest1_2 #E0F2F1
+    component "Open Pit Mining Operations" as nest1_3 #CADEDE
+}
+cloud "Geological Survey" as N0 #E0F2F1
+cloud "Smelting" as N1 #CADEDE
+folder "Geotechnical Stability Analysis" as N2 #CADEDE
+component "Waste Rock Management" as N3 #E0F2F1
+database "Feasibility Study" as N4 #E0F2F1
+usecase "Permit Acquisition" as N5 #E0F2F1
+node "Dust Control" as N6 #E0F2F1
+node "Emergency Response Planning" as N7 #E0F2F1
+artifact "Robotics in Mining" as N8 #CADEDE
+component "Community Relations" as N9 #E0F2F1
+database "Water Management" as N10 #E0F2F1
+component "Mine Dewatering" as N11 #CADEDE
+database "Safety Management" as N12 #E0F2F1
+database "Ore Extraction" as N13 #E0F2F1
+folder "Energy Management" as N14 #E0F2F1
+circle " " as S1 #E0F2F1
+circle " " as S2 #E0F2F1
+circle " " as M0 #E0F2F1
+circle " " as M1 #E0F2F1
+circle " " as M2 #E0F2F1
+N0 -[#4DB6AC]-> N1
+N1 -[#26A69A]-> N2 : funds
+N2 ..[#4DB6AC]..> N3
+N3 -[#000000]-> N4 : refines
+N4 -[#000000]-> N5 : markets
+N5 -[#4DB6AC]-> N6
+N6 ..[#94C0C0]..> N7 : designs
+N7 -[#94C0C0]-> N8
+N8 -[#94C0C0]-> N9
+N9 -[#94C0C0]-> N10
+N10 -[#000000]-> N11
+N11 ..[#94C0C0]..> N12
+N12 ..[#94C0C0]..> N13
+N13 -[#26A69A]-> N14
+nest0_0 -[#26A69A]-> nest0_1
+N6 -[#94C0C0]-> nest0_0
+nest0_1 -[#000000]-> N14
+nest1_0 -[#000000]-> nest1_1 : analyzes
+nest1_1 -[#4DB6AC]-> nest1_2
+nest1_2 -[#26A69A]-> nest1_3
+N1 ..[#26A69A]..> nest1_0
+nest1_3 ..[#26A69A]..> N1
+N3 ..[#94C0C0]..> S1
+S1 ..[#94C0C0]..> N14
+S1 ..[#94C0C0]..> N10
+N2 -[#26A69A]-> S2
+S2 -[#000000]-> N11 : audits
+S2 -[#4DB6AC]-> N7
+S2 ..[#94C0C0]..> N12
+N1 ..[#000000]..> M0
+N4 -[#000000]-> M0
+N2 ..[#94C0C0]..> M0
+M0 -[#4DB6AC]-> N7
+N1 -[#4DB6AC]-> M1
+N0 -[#94C0C0]-> M1
+M1 -[#000000]-> N5
+N0 ..[#4DB6AC]..> M2
+N1 -[#26A69A]-> M2
+N3 ..[#000000]..> M2 : develops
+M2 ..[#4DB6AC]..> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_109.txt b/test/plantuml/graph_hard/plantuml_109.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f81b63822689b72dad089d5c6846e0428ec71ad6
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_109.txt
@@ -0,0 +1,40 @@
+<Community Relations, connectedTo, Water Management>
+<Crushing and Grinding, connectedTo, Open Pit Mining Operations>
+<Crushing and Grinding, partOf, Haulage>
+<Dust Control, connectedTo, Mineral Processing>
+<Dust Control, designs, Emergency Response Planning>
+<Emergency Response Planning, connectedTo, Robotics in Mining>
+<Feasibility Study, connectedTo, Emergency Response Planning>
+<Feasibility Study, markets, Permit Acquisition>
+<Geological Survey, connectedTo, Community Relations>
+<Geological Survey, connectedTo, Permit Acquisition>
+<Geological Survey, connectedTo, Smelting>
+<Geotechnical Stability Analysis, audits, Mine Dewatering>
+<Geotechnical Stability Analysis, connectedTo, Emergency Response Planning>
+<Geotechnical Stability Analysis, connectedTo, Safety Management>
+<Geotechnical Stability Analysis, connectedTo, Waste Rock Management>
+<Mine Dewatering, connectedTo, Safety Management>
+<Mineral Processing, connectedTo, Resource Estimation>
+<Mineral Processing, partOf, Core Logging>
+<Noise Management, analyzes, Product Marketing>
+<Noise Management, partOf, Haulage>
+<Open Pit Mining Operations, connectedTo, Smelting>
+<Open Pit Mining Operations, partOf, Haulage>
+<Ore Extraction, connectedTo, Energy Management>
+<Permit Acquisition, connectedTo, Dust Control>
+<Product Marketing, connectedTo, Crushing and Grinding>
+<Product Marketing, partOf, Haulage>
+<Resource Estimation, connectedTo, Energy Management>
+<Resource Estimation, partOf, Core Logging>
+<Robotics in Mining, connectedTo, Community Relations>
+<Safety Management, connectedTo, Ore Extraction>
+<Smelting, connectedTo, Community Relations>
+<Smelting, connectedTo, Emergency Response Planning>
+<Smelting, connectedTo, Noise Management>
+<Smelting, connectedTo, Permit Acquisition>
+<Smelting, funds, Geotechnical Stability Analysis>
+<Waste Rock Management, connectedTo, Energy Management>
+<Waste Rock Management, connectedTo, Water Management>
+<Waste Rock Management, develops, Community Relations>
+<Waste Rock Management, refines, Feasibility Study>
+<Water Management, connectedTo, Mine Dewatering>
diff --git a/test/plantuml/graph_hard/plantuml_11.puml b/test/plantuml/graph_hard/plantuml_11.puml
new file mode 100644
index 0000000000000000000000000000000000000000..5d04bdcf1bc6fb19b3e9bbcd39d09a173a4da5c1
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_11.puml
@@ -0,0 +1,75 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Curriculum Development" as Group0 #FBE9E7 {
+    rectangle "School Accreditation" as nest0_0 #FFEBEE
+    usecase "Disciplinary Action" as nest0_1 #ECEFF1
+}
+rectangle "Attendance Tracking" as Group1 #E0F2F1 {
+    component "Scholarship Evaluation" as nest1_0 #FFEBEE
+    cloud "Student Feedback Collection" as nest1_1 #FFEBEE
+}
+usecase "Study Abroad Program" as N0 #ECEFF1
+component "Academic Review" as N1 #FFEBEE
+artifact "Field Trip Coordination" as N2 #ECEFF1
+database "Thesis Submission" as N3 #FFEBEE
+node "Timetable Scheduling" as N4 #E1BEE7
+database "Parent_Teacher Conference" as N5 #E1BEE7
+usecase "Special Education Support" as N6 #FFEBEE
+node "Grade Entry" as N7 #FFEBEE
+usecase "Online Learning Platform Management" as N8 #FFEBEE
+frame "Counseling Session" as N9 #ECEFF1
+folder "Course Material Preparation" as N10 #ECEFF1
+folder "Transcript Issuance" as N11 #E1BEE7
+database "Exam Conduct" as N12 #ECEFF1
+database "Faculty Recruitment" as N13 #ECEFF1
+node "Peer Tutoring" as N14 #FFEBEE
+folder "Alumni Network Management" as N15 #E1BEE7
+folder "Result Declaration" as N16 #E1BEE7
+database "Library Registration" as N17 #FFEBEE
+circle " " as S0 #E1BEE7
+circle " " as S1 #E1BEE7
+circle " " as M0 #E1BEE7
+circle " " as M1 #FFEBEE
+N0 ..[#90A4AE]..> N1
+N1 ..[#9C27B0]..> N2
+N2 ..[#9C27B0]..> N3
+N3 -[#9C27B0]-> N4
+N4 ..[#9C27B0]..> N5
+N5 ..[#90A4AE]..> N6
+N6 -[#9C27B0]-> N7
+N7 -[#000000]-> N8
+N8 ..[#9C27B0]..> N9
+N9 ..[#90A4AE]..> N10 : grants
+N10 -[#E57373]-> N11
+N11 ..[#90A4AE]..> N12
+N12 -[#90A4AE]-> N13
+N13 -[#90A4AE]-> N14
+N14 -[#9C27B0]-> N15
+N15 -[#9C27B0]-> N16
+N16 ..[#90A4AE]..> N17
+nest0_0 -[#000000]-> nest0_1
+N3 -[#000000]-> nest0_0
+nest0_1 -[#90A4AE]-> N13
+nest1_0 ..[#000000]..> nest1_1
+N12 ..[#E57373]..> nest1_0
+nest1_1 -[#E57373]-> N7
+N9 ..[#E57373]..> S0
+S0 -[#E57373]-> N15
+S0 -[#000000]-> N12
+S0 ..[#E57373]..> N16
+S0 ..[#E57373]..> N14
+N4 ..[#90A4AE]..> S1
+S1 -[#E57373]-> N15
+S1 -[#9C27B0]-> N8
+N8 ..[#90A4AE]..> M0
+N7 -[#000000]-> M0
+N2 -[#90A4AE]-> M0
+M0 -[#E57373]-> N16
+N8 -[#90A4AE]-> M1
+N7 ..[#E57373]..> M1
+N5 ..[#90A4AE]..> M1
+N1 ..[#000000]..> M1
+M1 -[#9C27B0]-> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_11.txt b/test/plantuml/graph_hard/plantuml_11.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b1a72d72d4b0708d634b9cc77c41b870e69cf8a4
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_11.txt
@@ -0,0 +1,40 @@
+<Academic Review, connectedTo, Course Material Preparation>
+<Academic Review, connectedTo, Field Trip Coordination>
+<Alumni Network Management, connectedTo, Result Declaration>
+<Counseling Session, connectedTo, Alumni Network Management>
+<Counseling Session, connectedTo, Exam Conduct>
+<Counseling Session, connectedTo, Peer Tutoring>
+<Counseling Session, connectedTo, Result Declaration>
+<Counseling Session, grants, Course Material Preparation>
+<Course Material Preparation, connectedTo, Transcript Issuance>
+<Disciplinary Action, connectedTo, Faculty Recruitment>
+<Disciplinary Action, partOf, Curriculum Development>
+<Exam Conduct, connectedTo, Faculty Recruitment>
+<Exam Conduct, connectedTo, Scholarship Evaluation>
+<Faculty Recruitment, connectedTo, Peer Tutoring>
+<Field Trip Coordination, connectedTo, Result Declaration>
+<Field Trip Coordination, connectedTo, Thesis Submission>
+<Grade Entry, connectedTo, Course Material Preparation>
+<Grade Entry, connectedTo, Online Learning Platform Management>
+<Grade Entry, connectedTo, Result Declaration>
+<Online Learning Platform Management, connectedTo, Counseling Session>
+<Online Learning Platform Management, connectedTo, Course Material Preparation>
+<Online Learning Platform Management, connectedTo, Result Declaration>
+<Parent_Teacher Conference, connectedTo, Course Material Preparation>
+<Parent_Teacher Conference, connectedTo, Special Education Support>
+<Peer Tutoring, connectedTo, Alumni Network Management>
+<Result Declaration, connectedTo, Library Registration>
+<Scholarship Evaluation, connectedTo, Student Feedback Collection>
+<Scholarship Evaluation, partOf, Attendance Tracking>
+<School Accreditation, connectedTo, Disciplinary Action>
+<School Accreditation, partOf, Curriculum Development>
+<Special Education Support, connectedTo, Grade Entry>
+<Student Feedback Collection, connectedTo, Grade Entry>
+<Student Feedback Collection, partOf, Attendance Tracking>
+<Study Abroad Program, connectedTo, Academic Review>
+<Thesis Submission, connectedTo, School Accreditation>
+<Thesis Submission, connectedTo, Timetable Scheduling>
+<Timetable Scheduling, connectedTo, Alumni Network Management>
+<Timetable Scheduling, connectedTo, Online Learning Platform Management>
+<Timetable Scheduling, connectedTo, Parent_Teacher Conference>
+<Transcript Issuance, connectedTo, Exam Conduct>
diff --git a/test/plantuml/graph_hard/plantuml_110.puml b/test/plantuml/graph_hard/plantuml_110.puml
new file mode 100644
index 0000000000000000000000000000000000000000..c588e89a4e53fd3fa5fcb4f4a3ba09d4ca9e0d05
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_110.puml
@@ -0,0 +1,68 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Crushing and Grinding" as Group0 #F3E5F5 {
+    folder "Refining" as nest0_0 #E1BEE7
+    frame "Haulage" as nest0_1 #B3E5FC
+    component "Tailings Management" as nest0_2 #E0F2F1
+    cloud "Underground Mining Operations" as nest0_3 #E0F2F1
+}
+rectangle "Geotechnical Stability Analysis" as Group1 #FFF3E0 {
+    database "Emergency Response Planning" as nest1_0 #E0F2F1
+    usecase "Ventilation System" as nest1_1 #E0F2F1
+    node "Waste Rock Management" as nest1_2 #E0F2F1
+}
+usecase "Asset Management" as N0 #E0F2F1
+cloud "Mine Dewatering" as N1 #E0F2F1
+frame "Equipment Maintenance" as N2 #B3E5FC
+usecase "Ore Sorting" as N3 #E0F2F1
+usecase "Core Logging" as N4 #B3E5FC
+folder "Mine Planning" as N5 #B3E5FC
+component "Water Management" as N6 #E1BEE7
+folder "Exploration Drilling" as N7 #B3E5FC
+database "Geological Survey" as N8 #E1BEE7
+folder "Energy Management" as N9 #E1BEE7
+component "Community Relations" as N10 #E1BEE7
+folder "Mineral Processing" as N11 #E1BEE7
+circle " " as S0 #E0F2F1
+circle " " as S1 #E0F2F1
+circle " " as S2 #E0F2F1
+circle " " as M1 #E0F2F1
+N0 -[#26A69A]-> N1
+N1 -[#9C27B0]-> N2 : restores
+N2 -[#03A9F4]-> N3
+N3 -[#03A9F4]-> N4
+N4 ..[#26A69A]..> N5
+N5 ..[#26A69A]..> N6
+N6 -[#000000]-> N7
+N7 -[#000000]-> N8
+N8 ..[#9C27B0]..> N9
+N9 -[#26A69A]-> N10
+N10 ..[#03A9F4]..> N11
+nest0_0 ..[#03A9F4]..> nest0_1 : markets
+nest0_1 ..[#26A69A]..> nest0_2
+nest0_2 -[#03A9F4]-> nest0_3
+N8 ..[#26A69A]..> nest0_0
+nest0_3 ..[#9C27B0]..> N2
+nest1_0 ..[#26A69A]..> nest1_1
+nest1_1 ..[#03A9F4]..> nest1_2
+N6 -[#26A69A]-> nest1_0 : grinds
+nest1_2 -[#000000]-> N2
+N6 ..[#000000]..> S0
+S0 ..[#26A69A]..> N9
+S0 ..[#26A69A]..> N8 : permits
+N2 ..[#9C27B0]..> S1
+S1 -[#000000]-> N10
+S1 -[#03A9F4]-> N4
+S1 -[#000000]-> N7
+N0 ..[#03A9F4]..> S2
+S2 -[#03A9F4]-> N6 : analyzes
+S2 ..[#26A69A]..> N3
+S2 ..[#26A69A]..> N10
+S2 -[#26A69A]-> N9
+N3 -[#03A9F4]-> M1
+N8 ..[#03A9F4]..> M1
+N4 ..[#000000]..> M1
+M1 ..[#9C27B0]..> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_110.txt b/test/plantuml/graph_hard/plantuml_110.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e84c5301486a613e87f36b02aac73a6e50930050
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_110.txt
@@ -0,0 +1,39 @@
+<Asset Management, analyzes, Water Management>
+<Asset Management, connectedTo, Community Relations>
+<Asset Management, connectedTo, Energy Management>
+<Asset Management, connectedTo, Mine Dewatering>
+<Asset Management, connectedTo, Ore Sorting>
+<Community Relations, connectedTo, Mineral Processing>
+<Core Logging, connectedTo, Community Relations>
+<Core Logging, connectedTo, Mine Planning>
+<Emergency Response Planning, connectedTo, Ventilation System>
+<Emergency Response Planning, partOf, Geotechnical Stability Analysis>
+<Energy Management, connectedTo, Community Relations>
+<Equipment Maintenance, connectedTo, Community Relations>
+<Equipment Maintenance, connectedTo, Core Logging>
+<Equipment Maintenance, connectedTo, Exploration Drilling>
+<Equipment Maintenance, connectedTo, Ore Sorting>
+<Exploration Drilling, connectedTo, Geological Survey>
+<Geological Survey, connectedTo, Community Relations>
+<Geological Survey, connectedTo, Energy Management>
+<Geological Survey, connectedTo, Refining>
+<Haulage, connectedTo, Tailings Management>
+<Haulage, partOf, Crushing and Grinding>
+<Mine Dewatering, restores, Equipment Maintenance>
+<Mine Planning, connectedTo, Water Management>
+<Ore Sorting, connectedTo, Community Relations>
+<Ore Sorting, connectedTo, Core Logging>
+<Refining, markets, Haulage>
+<Refining, partOf, Crushing and Grinding>
+<Tailings Management, connectedTo, Underground Mining Operations>
+<Tailings Management, partOf, Crushing and Grinding>
+<Underground Mining Operations, connectedTo, Equipment Maintenance>
+<Underground Mining Operations, partOf, Crushing and Grinding>
+<Ventilation System, connectedTo, Waste Rock Management>
+<Ventilation System, partOf, Geotechnical Stability Analysis>
+<Waste Rock Management, connectedTo, Equipment Maintenance>
+<Waste Rock Management, partOf, Geotechnical Stability Analysis>
+<Water Management, connectedTo, Energy Management>
+<Water Management, connectedTo, Exploration Drilling>
+<Water Management, grinds, Emergency Response Planning>
+<Water Management, permits, Geological Survey>
diff --git a/test/plantuml/graph_hard/plantuml_111.puml b/test/plantuml/graph_hard/plantuml_111.puml
new file mode 100644
index 0000000000000000000000000000000000000000..f522707b8b234c0d00f4039ea6579c1171ee3da1
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_111.puml
@@ -0,0 +1,67 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Emergency Response Planning" as Group0 #E0F2F1 {
+    rectangle "Refining" as nest0_0 #EDF5F3
+    rectangle "Waste Rock Management" as nest0_1 #F3E5F5
+    folder "Core Logging" as nest0_2 #EDF5F3
+    usecase "Mine Closure Planning" as nest0_3 #EDF5F3
+}
+rectangle "Ventilation System" as Group1 #E8F5E9 {
+    folder "Resource Estimation" as nest1_0 #F3E5F5
+    folder "Asset Management" as nest1_1 #F3E5F5
+    node "Community Relations" as nest1_2 #F3E5F5
+}
+cloud "Water Management" as N0 #E1F5FE
+cloud "Crushing and Grinding" as N1 #F3E5F5
+usecase "Ore Extraction" as N2 #F3E5F5
+rectangle "Regulatory Compliance Reporting" as N3 #F3E5F5
+component "Permit Acquisition" as N4 #E1F5FE
+folder "Tailings Management" as N5 #F3E5F5
+rectangle "Geological Survey" as N6 #F3E5F5
+folder "Ore Sorting" as N7 #F3E5F5
+rectangle "Equipment Maintenance" as N8 #F3E5F5
+circle " " as S0 #F3E5F5
+circle " " as S1 #F3E5F5
+circle " " as S2 #F3E5F5
+circle " " as M0 #F3E5F5
+circle " " as M1 #E1F5FE
+N0 -[#BA68C8]-> N1
+N1 ..[#4FC3F7]..> N2
+N2 ..[#000000]..> N3
+N3 -[#BA68C8]-> N4
+N4 -[#A1D7CD]-> N5
+N5 ..[#4FC3F7]..> N6
+N6 -[#BA68C8]-> N7
+N7 -[#A1D7CD]-> N8
+nest0_0 ..[#BA68C8]..> nest0_1
+nest0_1 ..[#A1D7CD]..> nest0_2
+nest0_2 ..[#BA68C8]..> nest0_3
+N4 ..[#4FC3F7]..> nest0_0
+nest0_3 ..[#BA68C8]..> N7
+nest1_0 ..[#BA68C8]..> nest1_1
+nest1_1 -[#000000]-> nest1_2
+N7 ..[#A1D7CD]..> nest1_0 : restores
+nest1_2 ..[#4FC3F7]..> N3
+N3 -[#000000]-> S0
+S0 ..[#A1D7CD]..> N6
+S0 ..[#000000]..> N5
+S0 ..[#000000]..> N7
+S0 ..[#4FC3F7]..> N8
+N4 -[#4FC3F7]-> S1
+S1 ..[#4FC3F7]..> N7
+S1 -[#4FC3F7]-> N6
+S1 ..[#000000]..> N8 : tests
+N2 -[#4FC3F7]-> S2
+S2 ..[#4FC3F7]..> N5
+S2 -[#A1D7CD]-> N4
+S2 -[#000000]-> N8
+S2 ..[#4FC3F7]..> N7
+N1 ..[#BA68C8]..> M0
+N6 ..[#A1D7CD]..> M0
+M0 ..[#A1D7CD]..> N8
+N3 -[#4FC3F7]-> M1
+N2 ..[#000000]..> M1
+M1 -[#BA68C8]-> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_111.txt b/test/plantuml/graph_hard/plantuml_111.txt
new file mode 100644
index 0000000000000000000000000000000000000000..24fb4c20adc7d84baa54311d37b15d4649f08d96
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_111.txt
@@ -0,0 +1,37 @@
+<Asset Management, connectedTo, Community Relations>
+<Asset Management, partOf, Ventilation System>
+<Community Relations, connectedTo, Regulatory Compliance Reporting>
+<Community Relations, partOf, Ventilation System>
+<Core Logging, connectedTo, Mine Closure Planning>
+<Core Logging, partOf, Emergency Response Planning>
+<Crushing and Grinding, connectedTo, Equipment Maintenance>
+<Crushing and Grinding, connectedTo, Ore Extraction>
+<Geological Survey, connectedTo, Equipment Maintenance>
+<Geological Survey, connectedTo, Ore Sorting>
+<Mine Closure Planning, connectedTo, Ore Sorting>
+<Mine Closure Planning, partOf, Emergency Response Planning>
+<Ore Extraction, connectedTo, Equipment Maintenance>
+<Ore Extraction, connectedTo, Ore Sorting>
+<Ore Extraction, connectedTo, Permit Acquisition>
+<Ore Extraction, connectedTo, Regulatory Compliance Reporting>
+<Ore Extraction, connectedTo, Tailings Management>
+<Ore Sorting, connectedTo, Equipment Maintenance>
+<Ore Sorting, restores, Resource Estimation>
+<Permit Acquisition, connectedTo, Geological Survey>
+<Permit Acquisition, connectedTo, Ore Sorting>
+<Permit Acquisition, connectedTo, Refining>
+<Permit Acquisition, connectedTo, Tailings Management>
+<Permit Acquisition, tests, Equipment Maintenance>
+<Refining, connectedTo, Waste Rock Management>
+<Refining, partOf, Emergency Response Planning>
+<Regulatory Compliance Reporting, connectedTo, Equipment Maintenance>
+<Regulatory Compliance Reporting, connectedTo, Geological Survey>
+<Regulatory Compliance Reporting, connectedTo, Ore Sorting>
+<Regulatory Compliance Reporting, connectedTo, Permit Acquisition>
+<Regulatory Compliance Reporting, connectedTo, Tailings Management>
+<Resource Estimation, connectedTo, Asset Management>
+<Resource Estimation, partOf, Ventilation System>
+<Tailings Management, connectedTo, Geological Survey>
+<Waste Rock Management, connectedTo, Core Logging>
+<Waste Rock Management, partOf, Emergency Response Planning>
+<Water Management, connectedTo, Crushing and Grinding>
diff --git a/test/plantuml/graph_hard/plantuml_112.puml b/test/plantuml/graph_hard/plantuml_112.puml
new file mode 100644
index 0000000000000000000000000000000000000000..d6e26a6f530cf3b05d47fab0a11b1141680d5333
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_112.puml
@@ -0,0 +1,77 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Ship Registry" as Group0 #FFF3E0 {
+    frame "Voyage Optimization" as nest0_0 #F1F8FF
+    cloud "Marine Safety Inspection" as nest0_1 #EFEBE9
+    folder "Ballast Water Management" as nest0_2 #F1F8FF
+    artifact "Cargo Loading" as nest0_3 #EFEBE9
+}
+rectangle "Search and Rescue Coordination" as Group1 #FFF3E0 {
+    rectangle "Fleet Management" as nest1_0 #EDE7F6
+    folder "Ship_to_Shore Communication" as nest1_1 #EDE7F6
+    database "Vessel Chartering" as nest1_2 #EDE7F6
+}
+cloud "Route Planning" as N0 #EDE7F6
+frame "Freight Forwarding" as N1 #EFEBE9
+folder "Customs Clearance" as N2 #EFEBE9
+usecase "Fisheries Management" as N3 #F1F8FF
+cloud "Crew Management" as N4 #EFEBE9
+artifact "Maritime Security" as N5 #EFEBE9
+frame "Subsea Cable Laying" as N6 #EFEBE9
+folder "Maritime Law Compliance" as N7 #F1F8FF
+folder "Vessel Maintenance" as N8 #F1F8FF
+folder "Offshore Operations" as N9 #EDE7F6
+artifact "Salvage Operations" as N10 #EDE7F6
+cloud "Pollution Control" as N11 #EFEBE9
+node "Terminal Management" as N12 #EDE7F6
+database "Green Shipping Initiatives" as N13 #EDE7F6
+folder "Autonomous Vessels" as N14 #F1F8FF
+circle " " as S0 #EDE7F6
+circle " " as S1 #F1F8FF
+circle " " as S2 #EDE7F6
+circle " " as M0 #EFEBE9
+circle " " as M1 #F1F8FF
+N0 -[#42A5F5]-> N1
+N1 -[#42A5F5]-> N2
+N2 ..[#A1887F]..> N3
+N3 -[#000000]-> N4 : repairs
+N4 -[#A1887F]-> N5
+N5 -[#A1887F]-> N6
+N6 ..[#42A5F5]..> N7
+N7 ..[#000000]..> N8
+N8 -[#42A5F5]-> N9 : inspects
+N9 ..[#7E57C2]..> N10
+N10 -[#42A5F5]-> N11 : systems
+N11 -[#000000]-> N12
+N12 -[#42A5F5]-> N13
+N13 ..[#A1887F]..> N14
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 -[#7E57C2]-> nest0_2
+nest0_2 -[#7E57C2]-> nest0_3
+N13 ..[#42A5F5]..> nest0_0
+nest0_3 -[#A1887F]-> N7
+nest1_0 -[#42A5F5]-> nest1_1 : docks
+nest1_1 -[#42A5F5]-> nest1_2
+N12 ..[#000000]..> nest1_0
+nest1_2 -[#A1887F]-> N2 : tracks
+N4 -[#42A5F5]-> S0
+S0 -[#A1887F]-> N6
+S0 ..[#42A5F5]..> N11
+S0 ..[#A1887F]..> N14
+N1 -[#7E57C2]-> S1
+S1 ..[#A1887F]..> N7
+S1 ..[#A1887F]..> N3
+N4 -[#000000]-> S2
+S2 ..[#000000]..> N12 : navigates
+S2 -[#42A5F5]-> N13 : equipment
+N6 ..[#42A5F5]..> M0
+N2 ..[#42A5F5]..> M0
+N8 ..[#000000]..> M0
+M0 -[#A1887F]-> N11
+N1 -[#A1887F]-> M1
+N4 ..[#7E57C2]..> M1
+N3 ..[#A1887F]..> M1
+M1 ..[#000000]..> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_112.txt b/test/plantuml/graph_hard/plantuml_112.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9f4dd0d879578a1c770f62ed39dd95f02a4f3479
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_112.txt
@@ -0,0 +1,42 @@
+<Ballast Water Management, connectedTo, Cargo Loading>
+<Ballast Water Management, partOf, Ship Registry>
+<Cargo Loading, connectedTo, Maritime Law Compliance>
+<Cargo Loading, partOf, Ship Registry>
+<Crew Management, connectedTo, Autonomous Vessels>
+<Crew Management, connectedTo, Maritime Security>
+<Crew Management, connectedTo, Pollution Control>
+<Crew Management, connectedTo, Subsea Cable Laying>
+<Crew Management, equipment, Green Shipping Initiatives>
+<Crew Management, navigates, Terminal Management>
+<Customs Clearance, connectedTo, Fisheries Management>
+<Customs Clearance, connectedTo, Pollution Control>
+<Fisheries Management, connectedTo, Subsea Cable Laying>
+<Fisheries Management, repairs, Crew Management>
+<Fleet Management, docks, Ship_to_Shore Communication>
+<Fleet Management, partOf, Search and Rescue Coordination>
+<Freight Forwarding, connectedTo, Customs Clearance>
+<Freight Forwarding, connectedTo, Fisheries Management>
+<Freight Forwarding, connectedTo, Maritime Law Compliance>
+<Freight Forwarding, connectedTo, Subsea Cable Laying>
+<Green Shipping Initiatives, connectedTo, Autonomous Vessels>
+<Green Shipping Initiatives, connectedTo, Voyage Optimization>
+<Marine Safety Inspection, connectedTo, Ballast Water Management>
+<Marine Safety Inspection, partOf, Ship Registry>
+<Maritime Law Compliance, connectedTo, Vessel Maintenance>
+<Maritime Security, connectedTo, Subsea Cable Laying>
+<Offshore Operations, connectedTo, Salvage Operations>
+<Pollution Control, connectedTo, Terminal Management>
+<Route Planning, connectedTo, Freight Forwarding>
+<Salvage Operations, systems, Pollution Control>
+<Ship_to_Shore Communication, connectedTo, Vessel Chartering>
+<Ship_to_Shore Communication, partOf, Search and Rescue Coordination>
+<Subsea Cable Laying, connectedTo, Maritime Law Compliance>
+<Subsea Cable Laying, connectedTo, Pollution Control>
+<Terminal Management, connectedTo, Fleet Management>
+<Terminal Management, connectedTo, Green Shipping Initiatives>
+<Vessel Chartering, partOf, Search and Rescue Coordination>
+<Vessel Chartering, tracks, Customs Clearance>
+<Vessel Maintenance, connectedTo, Pollution Control>
+<Vessel Maintenance, inspects, Offshore Operations>
+<Voyage Optimization, connectedTo, Marine Safety Inspection>
+<Voyage Optimization, partOf, Ship Registry>
diff --git a/test/plantuml/graph_hard/plantuml_113.puml b/test/plantuml/graph_hard/plantuml_113.puml
new file mode 100644
index 0000000000000000000000000000000000000000..30780fbde480f7ab1862c71f96a5b4dcb8495ddc
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_113.puml
@@ -0,0 +1,81 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Ship Design" as Group0 #F1F8E9 {
+    folder "Dry Docking" as nest0_0 #EBEBEB
+    frame "Ballast Water Management" as nest0_1 #F0F4C3
+    usecase "Marine Data Analytics" as nest0_2 #EBEBEB
+    folder "Pilotage" as nest0_3 #F6F6F6
+}
+rectangle "Inland Waterway Transport" as Group1 #E8F5E9 {
+    component "Fuel Consumption Optimization" as nest1_0 #F0F4C3
+    node "Salvage Operations" as nest1_1 #F6F6F6
+    rectangle "Maritime Security" as nest1_2 #F0F4C3
+    component "Ship_to_Shore Communication" as nest1_3 #F6F6F6
+}
+folder "Marine Research" as N0 #F0F4C3
+frame "Marine Safety Inspection" as N1 #F0F4C3
+rectangle "Port Congestion Management" as N2 #F6F6F6
+database "Crew Management" as N3 #EBEBEB
+frame "Customs Clearance" as N4 #F6F6F6
+usecase "Pollution Control" as N5 #F6F6F6
+cloud "Route Planning" as N6 #EBEBEB
+artifact "Vessel Chartering" as N7 #EBEBEB
+rectangle "Voyage Optimization" as N8 #F0F4C3
+rectangle "Vessel Maintenance" as N9 #EBEBEB
+node "Autonomous Vessels" as N10 #EBEBEB
+node "Cargo Loading" as N11 #F0F4C3
+node "Ship Registry" as N12 #EBEBEB
+rectangle "Terminal Management" as N13 #F6F6F6
+artifact "Hydrographic Surveying" as N14 #EBEBEB
+database "Fleet Management" as N15 #F6F6F6
+circle " " as S0 #F6F6F6
+circle " " as S1 #F6F6F6
+circle " " as S2 #F6F6F6
+circle " " as M0 #EBEBEB
+circle " " as M2 #EBEBEB
+N0 ..[#AED581]..> N1
+N1 -[#000000]-> N2
+N2 -[#000000]-> N3
+N3 -[#000000]-> N4
+N4 ..[#000000]..> N5
+N5 -[#CFCFCF]-> N6
+N6 -[#AED581]-> N7
+N7 -[#000000]-> N8
+N8 -[#000000]-> N9
+N9 ..[#AED581]..> N10 : docks
+N10 ..[#CFCFCF]..> N11
+N11 ..[#E0E0E0]..> N12
+N12 ..[#CFCFCF]..> N13
+N13 -[#E0E0E0]-> N14
+N14 ..[#AED581]..> N15
+nest0_0 -[#CFCFCF]-> nest0_1
+nest0_1 ..[#000000]..> nest0_2
+nest0_2 -[#CFCFCF]-> nest0_3
+N10 ..[#AED581]..> nest0_0
+nest0_3 ..[#000000]..> N12
+nest1_0 -[#E0E0E0]-> nest1_1
+nest1_1 -[#AED581]-> nest1_2
+nest1_2 ..[#AED581]..> nest1_3
+N13 ..[#AED581]..> nest1_0
+nest1_3 -[#CFCFCF]-> N13
+N9 -[#CFCFCF]-> S0
+S0 -[#CFCFCF]-> N15
+S0 -[#AED581]-> N14
+N5 ..[#E0E0E0]..> S1
+S1 ..[#AED581]..> N9
+S1 -[#AED581]-> N12
+N8 -[#E0E0E0]-> S2
+S2 ..[#CFCFCF]..> N15
+S2 -[#AED581]-> N11
+S2 -[#AED581]-> N13
+N10 ..[#AED581]..> M0
+N8 ..[#CFCFCF]..> M0
+N12 -[#CFCFCF]-> M0
+M0 -[#AED581]-> N14
+N12 -[#AED581]-> M2
+N6 -[#CFCFCF]-> M2
+N4 ..[#E0E0E0]..> M2 : manages
+M2 -[#AED581]-> N15
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_113.txt b/test/plantuml/graph_hard/plantuml_113.txt
new file mode 100644
index 0000000000000000000000000000000000000000..76e61b0a1af41319f1c9cd4d147126a63be71962
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_113.txt
@@ -0,0 +1,46 @@
+<Autonomous Vessels, connectedTo, Cargo Loading>
+<Autonomous Vessels, connectedTo, Dry Docking>
+<Autonomous Vessels, connectedTo, Hydrographic Surveying>
+<Ballast Water Management, connectedTo, Marine Data Analytics>
+<Ballast Water Management, partOf, Ship Design>
+<Cargo Loading, connectedTo, Ship Registry>
+<Crew Management, connectedTo, Customs Clearance>
+<Customs Clearance, connectedTo, Pollution Control>
+<Customs Clearance, manages, Fleet Management>
+<Dry Docking, connectedTo, Ballast Water Management>
+<Dry Docking, partOf, Ship Design>
+<Fuel Consumption Optimization, connectedTo, Salvage Operations>
+<Fuel Consumption Optimization, partOf, Inland Waterway Transport>
+<Hydrographic Surveying, connectedTo, Fleet Management>
+<Marine Data Analytics, connectedTo, Pilotage>
+<Marine Data Analytics, partOf, Ship Design>
+<Marine Research, connectedTo, Marine Safety Inspection>
+<Marine Safety Inspection, connectedTo, Port Congestion Management>
+<Maritime Security, connectedTo, Ship_to_Shore Communication>
+<Maritime Security, partOf, Inland Waterway Transport>
+<Pilotage, connectedTo, Ship Registry>
+<Pilotage, partOf, Ship Design>
+<Pollution Control, connectedTo, Route Planning>
+<Pollution Control, connectedTo, Ship Registry>
+<Pollution Control, connectedTo, Vessel Maintenance>
+<Port Congestion Management, connectedTo, Crew Management>
+<Route Planning, connectedTo, Fleet Management>
+<Route Planning, connectedTo, Vessel Chartering>
+<Salvage Operations, connectedTo, Maritime Security>
+<Salvage Operations, partOf, Inland Waterway Transport>
+<Ship Registry, connectedTo, Fleet Management>
+<Ship Registry, connectedTo, Hydrographic Surveying>
+<Ship Registry, connectedTo, Terminal Management>
+<Ship_to_Shore Communication, connectedTo, Terminal Management>
+<Ship_to_Shore Communication, partOf, Inland Waterway Transport>
+<Terminal Management, connectedTo, Fuel Consumption Optimization>
+<Terminal Management, connectedTo, Hydrographic Surveying>
+<Vessel Chartering, connectedTo, Voyage Optimization>
+<Vessel Maintenance, connectedTo, Fleet Management>
+<Vessel Maintenance, connectedTo, Hydrographic Surveying>
+<Vessel Maintenance, docks, Autonomous Vessels>
+<Voyage Optimization, connectedTo, Cargo Loading>
+<Voyage Optimization, connectedTo, Fleet Management>
+<Voyage Optimization, connectedTo, Hydrographic Surveying>
+<Voyage Optimization, connectedTo, Terminal Management>
+<Voyage Optimization, connectedTo, Vessel Maintenance>
diff --git a/test/plantuml/graph_hard/plantuml_114.puml b/test/plantuml/graph_hard/plantuml_114.puml
new file mode 100644
index 0000000000000000000000000000000000000000..98d206b85fa3bbdc620a2f33e0b5036c7ec94903
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_114.puml
@@ -0,0 +1,71 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Hydrographic Surveying" as Group0 #EDE7F6 {
+    frame "Inland Waterway Transport" as nest0_0 #FFEBEB
+    usecase "Marine Insurance" as nest0_1 #E9F7E8
+    artifact "Offshore Operations" as nest0_2 #FCFCE7
+}
+rectangle "Ship Design" as Group1 #E3F2FD {
+    usecase "Cargo Loading" as nest1_0 #E9F7E8
+    node "Salvage Operations" as nest1_1 #FFEBEB
+    component "Fisheries Management" as nest1_2 #FCFCE7
+}
+frame "Bunkering" as N0 #FCFCE7
+database "Fuel Consumption Optimization" as N1 #FCFCE7
+usecase "Maritime Security" as N2 #FFEBEB
+artifact "Pollution Control" as N3 #E9F7E8
+database "Fleet Management" as N4 #E9F7E8
+usecase "Subsea Cable Laying" as N5 #E9F7E8
+usecase "Crew Management" as N6 #FFEBEB
+cloud "Terminal Management" as N7 #FCFCE7
+folder "Port Operations" as N8 #E9F7E8
+cloud "Marine Safety Inspection" as N9 #E9F7E8
+rectangle "Vessel Maintenance" as N10 #FCFCE7
+circle " " as S0 #FFEBEB
+circle " " as S1 #FFEBEB
+circle " " as S2 #FFEBEB
+circle " " as M0 #E9F7E8
+circle " " as M1 #E9F7E8
+circle " " as M2 #FFEBEB
+N0 -[#6EB76D]-> N1
+N1 ..[#FFC2C2]..> N2
+N2 -[#6EB76D]-> N3
+N3 ..[#FFC2C2]..> N4
+N4 -[#FFC2C2]-> N5
+N5 -[#DCE775]-> N6
+N6 -[#FFC2C2]-> N7
+N7 ..[#6EB76D]..> N8
+N8 ..[#6EB76D]..> N9
+N9 ..[#DCE775]..> N10
+nest0_0 ..[#DCE775]..> nest0_1
+nest0_1 ..[#6EB76D]..> nest0_2
+N9 ..[#000000]..> nest0_0
+nest0_2 -[#000000]-> N2
+nest1_0 -[#FFC2C2]-> nest1_1
+nest1_1 ..[#FFC2C2]..> nest1_2
+N6 ..[#FFC2C2]..> nest1_0
+nest1_2 -[#6EB76D]-> N6
+N1 ..[#FFC2C2]..> S0
+S0 ..[#6EB76D]..> N8
+S0 -[#6EB76D]-> N9
+N1 -[#000000]-> S1
+S1 ..[#000000]..> N8
+S1 ..[#6EB76D]..> N10
+S1 -[#6EB76D]-> N6
+N0 ..[#000000]..> S2
+S2 ..[#FFC2C2]..> N3
+S2 ..[#000000]..> N9
+N6 -[#DCE775]-> M0
+N1 ..[#FFC2C2]..> M0
+N7 ..[#DCE775]..> M0
+M0 ..[#000000]..> N9
+N0 ..[#6EB76D]..> M1
+N5 ..[#FFC2C2]..> M1
+M1 -[#DCE775]-> N9
+N3 ..[#000000]..> M2 : communicates
+N1 ..[#000000]..> M2
+N2 -[#6EB76D]-> M2
+M2 ..[#000000]..> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_114.txt b/test/plantuml/graph_hard/plantuml_114.txt
new file mode 100644
index 0000000000000000000000000000000000000000..744fd58ddd5e5d8fd45030fa17c2c3d652acb746
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_114.txt
@@ -0,0 +1,36 @@
+<Bunkering, connectedTo, Fuel Consumption Optimization>
+<Bunkering, connectedTo, Marine Safety Inspection>
+<Bunkering, connectedTo, Pollution Control>
+<Cargo Loading, connectedTo, Salvage Operations>
+<Cargo Loading, partOf, Ship Design>
+<Crew Management, connectedTo, Cargo Loading>
+<Crew Management, connectedTo, Marine Safety Inspection>
+<Crew Management, connectedTo, Terminal Management>
+<Fisheries Management, connectedTo, Crew Management>
+<Fisheries Management, partOf, Ship Design>
+<Fleet Management, connectedTo, Subsea Cable Laying>
+<Fuel Consumption Optimization, connectedTo, Crew Management>
+<Fuel Consumption Optimization, connectedTo, Marine Safety Inspection>
+<Fuel Consumption Optimization, connectedTo, Maritime Security>
+<Fuel Consumption Optimization, connectedTo, Port Operations>
+<Fuel Consumption Optimization, connectedTo, Terminal Management>
+<Fuel Consumption Optimization, connectedTo, Vessel Maintenance>
+<Inland Waterway Transport, connectedTo, Marine Insurance>
+<Inland Waterway Transport, partOf, Hydrographic Surveying>
+<Marine Insurance, connectedTo, Offshore Operations>
+<Marine Insurance, partOf, Hydrographic Surveying>
+<Marine Safety Inspection, connectedTo, Inland Waterway Transport>
+<Marine Safety Inspection, connectedTo, Vessel Maintenance>
+<Maritime Security, connectedTo, Pollution Control>
+<Maritime Security, connectedTo, Terminal Management>
+<Offshore Operations, connectedTo, Maritime Security>
+<Offshore Operations, partOf, Hydrographic Surveying>
+<Pollution Control, communicates, Terminal Management>
+<Pollution Control, connectedTo, Fleet Management>
+<Port Operations, connectedTo, Marine Safety Inspection>
+<Salvage Operations, connectedTo, Fisheries Management>
+<Salvage Operations, partOf, Ship Design>
+<Subsea Cable Laying, connectedTo, Crew Management>
+<Subsea Cable Laying, connectedTo, Marine Safety Inspection>
+<Terminal Management, connectedTo, Marine Safety Inspection>
+<Terminal Management, connectedTo, Port Operations>
diff --git a/test/plantuml/graph_hard/plantuml_115.puml b/test/plantuml/graph_hard/plantuml_115.puml
new file mode 100644
index 0000000000000000000000000000000000000000..f00f01653d439be1f753ee04389d18b47b4cd890
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_115.puml
@@ -0,0 +1,66 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Re_entry Vehicle Design" as Group0 #F1F8E9 {
+    usecase "Astronaut Training" as nest0_0 #C8EDFF
+    artifact "Life Support Systems" as nest0_1 #C8EDFF
+    usecase "Launch Operations" as nest0_2 #F8FDD3
+}
+rectangle "New Space Technology Development" as Group1 #F3E5F5 {
+    cloud "In_Situ Resource Utilization" as nest1_0 #C8EDFF
+    folder "Exoplanet Discovery" as nest1_1 #C8EDFF
+    folder "Microgravity Experiments" as nest1_2 #C8EDFF
+    frame "Space Debris Mitigation" as nest1_3 #E1BEE7
+}
+usecase "Space Habitat Development" as N0 #E1BEE7
+folder "Interplanetary Trajectory Calculation" as N1 #F8FDD3
+frame "Lunar Exploration" as N2 #E1BEE7
+folder "Satellite Deployment" as N3 #F8FDD3
+frame "Radiation Shielding Design" as N4 #C8EDFF
+usecase "Astrophysics Research" as N5 #C8EDFF
+node "Mission Control Center Management" as N6 #C8EDFF
+frame "Ground Station Operations" as N7 #F8FDD3
+folder "Data Acquisition" as N8 #F8FDD3
+node "Robotics for Space Exploration" as N9 #E1BEE7
+cloud "Space Tourism Development" as N10 #C8EDFF
+folder "Scientific Data Analysis" as N11 #E1BEE7
+folder "Mission Design" as N12 #F8FDD3
+node "Space Station Operations" as N13 #C8EDFF
+circle " " as S0 #C8EDFF
+circle " " as S1 #C8EDFF
+circle " " as M0 #E1BEE7
+N0 ..[#000000]..> N1
+N1 ..[#000000]..> N2
+N2 -[#9C27B0]-> N3
+N3 ..[#D3EB9F]..> N4
+N4 ..[#9C27B0]..> N5
+N5 ..[#000000]..> N6
+N6 -[#D3EB9F]-> N7
+N7 ..[#D3EB9F]..> N8
+N8 ..[#000000]..> N9
+N9 ..[#82DAFF]..> N10
+N10 -[#9C27B0]-> N11
+N11 -[#82DAFF]-> N12
+N12 ..[#D3EB9F]..> N13
+nest0_0 -[#9C27B0]-> nest0_1
+nest0_1 -[#82DAFF]-> nest0_2
+N5 -[#000000]-> nest0_0
+nest0_2 -[#000000]-> N1
+nest1_0 ..[#82DAFF]..> nest1_1
+nest1_1 ..[#D3EB9F]..> nest1_2
+nest1_2 ..[#82DAFF]..> nest1_3
+N12 ..[#9C27B0]..> nest1_0
+nest1_3 ..[#000000]..> N8
+N2 -[#82DAFF]-> S0
+S0 ..[#9C27B0]..> N11
+S0 ..[#9C27B0]..> N4
+N9 -[#D3EB9F]-> S1
+S1 ..[#000000]..> N12
+S1 -[#82DAFF]-> N11
+S1 ..[#000000]..> N13
+N1 ..[#9C27B0]..> M0
+N2 ..[#000000]..> M0
+N0 -[#D3EB9F]-> M0
+M0 -[#9C27B0]-> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_115.txt b/test/plantuml/graph_hard/plantuml_115.txt
new file mode 100644
index 0000000000000000000000000000000000000000..734a6c5587e406903000c517a10c90c2c4993b4f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_115.txt
@@ -0,0 +1,37 @@
+<Astronaut Training, connectedTo, Life Support Systems>
+<Astronaut Training, partOf, Re_entry Vehicle Design>
+<Astrophysics Research, connectedTo, Astronaut Training>
+<Astrophysics Research, connectedTo, Mission Control Center Management>
+<Data Acquisition, connectedTo, Robotics for Space Exploration>
+<Exoplanet Discovery, connectedTo, Microgravity Experiments>
+<Exoplanet Discovery, partOf, New Space Technology Development>
+<Ground Station Operations, connectedTo, Data Acquisition>
+<In_Situ Resource Utilization, connectedTo, Exoplanet Discovery>
+<In_Situ Resource Utilization, partOf, New Space Technology Development>
+<Interplanetary Trajectory Calculation, connectedTo, Lunar Exploration>
+<Interplanetary Trajectory Calculation, connectedTo, Mission Control Center Management>
+<Launch Operations, connectedTo, Interplanetary Trajectory Calculation>
+<Launch Operations, partOf, Re_entry Vehicle Design>
+<Life Support Systems, connectedTo, Launch Operations>
+<Life Support Systems, partOf, Re_entry Vehicle Design>
+<Lunar Exploration, connectedTo, Mission Control Center Management>
+<Lunar Exploration, connectedTo, Radiation Shielding Design>
+<Lunar Exploration, connectedTo, Satellite Deployment>
+<Lunar Exploration, connectedTo, Scientific Data Analysis>
+<Microgravity Experiments, connectedTo, Space Debris Mitigation>
+<Microgravity Experiments, partOf, New Space Technology Development>
+<Mission Control Center Management, connectedTo, Ground Station Operations>
+<Mission Design, connectedTo, In_Situ Resource Utilization>
+<Mission Design, connectedTo, Space Station Operations>
+<Radiation Shielding Design, connectedTo, Astrophysics Research>
+<Robotics for Space Exploration, connectedTo, Mission Design>
+<Robotics for Space Exploration, connectedTo, Scientific Data Analysis>
+<Robotics for Space Exploration, connectedTo, Space Station Operations>
+<Robotics for Space Exploration, connectedTo, Space Tourism Development>
+<Satellite Deployment, connectedTo, Radiation Shielding Design>
+<Scientific Data Analysis, connectedTo, Mission Design>
+<Space Debris Mitigation, connectedTo, Data Acquisition>
+<Space Debris Mitigation, partOf, New Space Technology Development>
+<Space Habitat Development, connectedTo, Interplanetary Trajectory Calculation>
+<Space Habitat Development, connectedTo, Mission Control Center Management>
+<Space Tourism Development, connectedTo, Scientific Data Analysis>
diff --git a/test/plantuml/graph_hard/plantuml_116.puml b/test/plantuml/graph_hard/plantuml_116.puml
new file mode 100644
index 0000000000000000000000000000000000000000..78edc74a814ab9b5e4700e5ca99f1ea28e4d0659
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_116.puml
@@ -0,0 +1,58 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Mission Control Center Management" as Group0 #FFF3E0 {
+    folder "Life Support Systems" as nest0_0 #C8EDFF
+    cloud "Telemetry Monitoring" as nest0_1 #C8EDFF
+    folder "Planetary Science Research" as nest0_2 #F9FBE7
+    folder "Lunar Exploration" as nest0_3 #C8EDFF
+}
+rectangle "Mission Design" as Group1 #FFF3E0 {
+    rectangle "Microgravity Experiments" as nest1_0 #EDF5F3
+    node "Space Station Operations" as nest1_1 #EDF5F3
+    frame "Radiation Shielding Design" as nest1_2 #C8EDFF
+    artifact "Astrophysics Research" as nest1_3 #F9FBE7
+}
+rectangle "Space Debris Mitigation" as N0 #C8EDFF
+node "Exoplanet Discovery" as N1 #F9FBE7
+usecase "Space Tourism Development" as N2 #EDF5F3
+node "Asteroid Mining Feasibility" as N3 #C8EDFF
+folder "Launch Operations" as N4 #EDF5F3
+artifact "Astronaut Training" as N5 #EDF5F3
+rectangle "Launch Vehicle Integration" as N6 #C8EDFF
+folder "Spacecraft Control" as N7 #C8EDFF
+rectangle "Sample Return Missions" as N8 #C8EDFF
+rectangle "New Space Technology Development" as N9 #C8EDFF
+circle " " as S0 #C8EDFF
+circle " " as M0 #F9FBE7
+circle " " as M1 #C8EDFF
+N0 ..[#C0CA33]..> N1
+N1 -[#C0CA33]-> N2
+N2 -[#000000]-> N3
+N3 -[#000000]-> N4
+N4 ..[#A1D7CD]..> N5
+N5 ..[#A1D7CD]..> N6
+N6 -[#A1D7CD]-> N7
+N7 ..[#000000]..> N8
+N8 -[#000000]-> N9
+nest0_0 -[#C0CA33]-> nest0_1
+nest0_1 ..[#C0CA33]..> nest0_2
+nest0_2 ..[#82DAFF]..> nest0_3
+N3 -[#82DAFF]-> nest0_0
+nest0_3 ..[#A1D7CD]..> N6
+nest1_0 -[#82DAFF]-> nest1_1
+nest1_1 -[#82DAFF]-> nest1_2
+nest1_2 ..[#A1D7CD]..> nest1_3
+N3 ..[#A1D7CD]..> nest1_0
+nest1_3 ..[#A1D7CD]..> N2
+N4 ..[#C0CA33]..> S0
+S0 -[#82DAFF]-> N8
+S0 ..[#82DAFF]..> N6
+N3 -[#82DAFF]-> M0
+N1 ..[#82DAFF]..> M0
+M0 ..[#000000]..> N5
+N0 ..[#82DAFF]..> M1
+N1 -[#A1D7CD]-> M1
+M1 ..[#A1D7CD]..> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_116.txt b/test/plantuml/graph_hard/plantuml_116.txt
new file mode 100644
index 0000000000000000000000000000000000000000..94822e2b4745187f5db7d68690bb9fed3ae17428
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_116.txt
@@ -0,0 +1,33 @@
+<Asteroid Mining Feasibility, connectedTo, Astronaut Training>
+<Asteroid Mining Feasibility, connectedTo, Launch Operations>
+<Asteroid Mining Feasibility, connectedTo, Life Support Systems>
+<Asteroid Mining Feasibility, connectedTo, Microgravity Experiments>
+<Astronaut Training, connectedTo, Launch Vehicle Integration>
+<Astrophysics Research, connectedTo, Space Tourism Development>
+<Astrophysics Research, partOf, Mission Design>
+<Exoplanet Discovery, connectedTo, Asteroid Mining Feasibility>
+<Exoplanet Discovery, connectedTo, Astronaut Training>
+<Exoplanet Discovery, connectedTo, Space Tourism Development>
+<Launch Operations, connectedTo, Astronaut Training>
+<Launch Operations, connectedTo, Launch Vehicle Integration>
+<Launch Operations, connectedTo, Sample Return Missions>
+<Launch Vehicle Integration, connectedTo, Spacecraft Control>
+<Life Support Systems, connectedTo, Telemetry Monitoring>
+<Life Support Systems, partOf, Mission Control Center Management>
+<Lunar Exploration, connectedTo, Launch Vehicle Integration>
+<Lunar Exploration, partOf, Mission Control Center Management>
+<Microgravity Experiments, connectedTo, Space Station Operations>
+<Microgravity Experiments, partOf, Mission Design>
+<Planetary Science Research, connectedTo, Lunar Exploration>
+<Planetary Science Research, partOf, Mission Control Center Management>
+<Radiation Shielding Design, connectedTo, Astrophysics Research>
+<Radiation Shielding Design, partOf, Mission Design>
+<Sample Return Missions, connectedTo, New Space Technology Development>
+<Space Debris Mitigation, connectedTo, Asteroid Mining Feasibility>
+<Space Debris Mitigation, connectedTo, Exoplanet Discovery>
+<Space Station Operations, connectedTo, Radiation Shielding Design>
+<Space Station Operations, partOf, Mission Design>
+<Space Tourism Development, connectedTo, Asteroid Mining Feasibility>
+<Spacecraft Control, connectedTo, Sample Return Missions>
+<Telemetry Monitoring, connectedTo, Planetary Science Research>
+<Telemetry Monitoring, partOf, Mission Control Center Management>
diff --git a/test/plantuml/graph_hard/plantuml_117.puml b/test/plantuml/graph_hard/plantuml_117.puml
new file mode 100644
index 0000000000000000000000000000000000000000..d78e3d06aae574ae4b825213d2235db0e5becccf
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_117.puml
@@ -0,0 +1,70 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "New Space Technology Development" as Group0 #ECEFF1 {
+    artifact "Extravehicular Activity Planning" as nest0_0 #FCE4EC
+    artifact "Autonomous Rendezvous and Docking" as nest0_1 #E8F0EA
+    rectangle "Spacecraft Control" as nest0_2 #FBE9E7
+}
+rectangle "Rocket Propulsion Development" as Group1 #FBE9E7 {
+    usecase "Life Support Systems" as nest1_0 #FCE4EC
+    rectangle "Space Habitat Development" as nest1_1 #FBE9E7
+}
+rectangle "Space Weather Forecasting" as N0 #FBE9E7
+folder "Radiation Shielding Design" as N1 #FCE4EC
+usecase "Deep Space Communications" as N2 #E8F0EA
+frame "Satellite Deployment" as N3 #FCE4EC
+rectangle "Commercial Space Flight Regulation" as N4 #E8F0EA
+frame "Astrophysics Research" as N5 #FBE9E7
+component "Astronaut Training" as N6 #FBE9E7
+node "Sample Return Missions" as N7 #FCE4EC
+rectangle "Ground Station Operations" as N8 #FCE4EC
+folder "Data Acquisition" as N9 #FBE9E7
+usecase "Asteroid Mining Feasibility" as N10 #FBE9E7
+folder "Scientific Data Analysis" as N11 #FBE9E7
+component "Interplanetary Trajectory Calculation" as N12 #E8F0EA
+usecase "International Collaboration" as N13 #FBE9E7
+folder "Payload Development" as N14 #FCE4EC
+component "Robotics for Space Exploration" as N15 #FCE4EC
+circle " " as S1 #FBE9E7
+circle " " as S2 #E8F0EA
+circle " " as M0 #FBE9E7
+circle " " as M1 #FCE4EC
+N0 ..[#E91E63]..> N1
+N1 ..[#E91E63]..> N2
+N2 ..[#E91E63]..> N3
+N3 ..[#FF8A65]..> N4 : simulates
+N4 -[#92C79A]-> N5
+N5 ..[#92C79A]..> N6
+N6 ..[#E91E63]..> N7
+N7 -[#000000]-> N8
+N8 ..[#92C79A]..> N9
+N9 ..[#000000]..> N10
+N10 -[#FF8A65]-> N11 : monitors
+N11 -[#92C79A]-> N12
+N12 ..[#000000]..> N13
+N13 -[#FF8A65]-> N14
+N14 ..[#E91E63]..> N15
+nest0_0 ..[#92C79A]..> nest0_1
+nest0_1 -[#000000]-> nest0_2
+N14 -[#FF8A65]-> nest0_0
+nest0_2 ..[#92C79A]..> N14
+nest1_0 ..[#FF8A65]..> nest1_1
+N4 -[#FF8A65]-> nest1_0
+nest1_1 ..[#000000]..> N13
+N12 ..[#92C79A]..> S1
+S1 -[#92C79A]-> N14
+S1 ..[#E91E63]..> N15 : budgets
+N8 -[#E91E63]-> S2
+S2 -[#000000]-> N12
+S2 -[#FF8A65]-> N14
+N5 -[#000000]-> M0
+N3 ..[#FF8A65]..> M0
+N0 -[#92C79A]-> M0
+M0 ..[#92C79A]..> N8
+N3 -[#92C79A]-> M1
+N1 -[#E91E63]-> M1
+N2 ..[#000000]..> M1
+M1 -[#E91E63]-> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_117.txt b/test/plantuml/graph_hard/plantuml_117.txt
new file mode 100644
index 0000000000000000000000000000000000000000..560eeded29efcfcb638d66ae552c2514fad7878e
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_117.txt
@@ -0,0 +1,37 @@
+<Asteroid Mining Feasibility, monitors, Scientific Data Analysis>
+<Astronaut Training, connectedTo, Sample Return Missions>
+<Astrophysics Research, connectedTo, Astronaut Training>
+<Astrophysics Research, connectedTo, Ground Station Operations>
+<Autonomous Rendezvous and Docking, connectedTo, Spacecraft Control>
+<Autonomous Rendezvous and Docking, partOf, New Space Technology Development>
+<Commercial Space Flight Regulation, connectedTo, Astrophysics Research>
+<Commercial Space Flight Regulation, connectedTo, Life Support Systems>
+<Data Acquisition, connectedTo, Asteroid Mining Feasibility>
+<Deep Space Communications, connectedTo, Astronaut Training>
+<Deep Space Communications, connectedTo, Satellite Deployment>
+<Extravehicular Activity Planning, connectedTo, Autonomous Rendezvous and Docking>
+<Extravehicular Activity Planning, partOf, New Space Technology Development>
+<Ground Station Operations, connectedTo, Data Acquisition>
+<Ground Station Operations, connectedTo, Interplanetary Trajectory Calculation>
+<Ground Station Operations, connectedTo, Payload Development>
+<International Collaboration, connectedTo, Payload Development>
+<Interplanetary Trajectory Calculation, budgets, Robotics for Space Exploration>
+<Interplanetary Trajectory Calculation, connectedTo, International Collaboration>
+<Interplanetary Trajectory Calculation, connectedTo, Payload Development>
+<Life Support Systems, connectedTo, Space Habitat Development>
+<Life Support Systems, partOf, Rocket Propulsion Development>
+<Payload Development, connectedTo, Extravehicular Activity Planning>
+<Payload Development, connectedTo, Robotics for Space Exploration>
+<Radiation Shielding Design, connectedTo, Astronaut Training>
+<Radiation Shielding Design, connectedTo, Deep Space Communications>
+<Sample Return Missions, connectedTo, Ground Station Operations>
+<Satellite Deployment, connectedTo, Astronaut Training>
+<Satellite Deployment, connectedTo, Ground Station Operations>
+<Satellite Deployment, simulates, Commercial Space Flight Regulation>
+<Scientific Data Analysis, connectedTo, Interplanetary Trajectory Calculation>
+<Space Habitat Development, connectedTo, International Collaboration>
+<Space Habitat Development, partOf, Rocket Propulsion Development>
+<Space Weather Forecasting, connectedTo, Ground Station Operations>
+<Space Weather Forecasting, connectedTo, Radiation Shielding Design>
+<Spacecraft Control, connectedTo, Payload Development>
+<Spacecraft Control, partOf, New Space Technology Development>
diff --git a/test/plantuml/graph_hard/plantuml_118.puml b/test/plantuml/graph_hard/plantuml_118.puml
new file mode 100644
index 0000000000000000000000000000000000000000..eff719d2bb1e36b12de633bc0c01588dbb639fc4
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_118.puml
@@ -0,0 +1,69 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Satellite Data Interpretation" as Group0 #EDE7F6 {
+    database "Climate Impact Assessment" as nest0_0 #F1F8E9
+    artifact "Ocean Current Analysis" as nest0_1 #F1F8E9
+    rectangle "Atmospheric Monitoring" as nest0_2 #E1F5FE
+    usecase "Climate Education Programs" as nest0_3 #F1F8E9
+}
+rectangle "Greenhouse Gas Measurement" as Group1 #F3E5F5 {
+    database "Drought Monitoring and Forecasting" as nest1_0 #F1F8E9
+    rectangle "Arctic and Antarctic Research" as nest1_1 #E1F5FE
+}
+frame "Environmental Justice Study" as N0 #E1F5FE
+frame "Extreme Weather Event Analysis" as N1 #E1F5FE
+folder "Data Collection" as N2 #F3E5F5
+frame "International Climate Negotiation" as N3 #E1F5FE
+component "Aerosol Impact Assessment" as N4 #F1F8E9
+folder "Renewable Energy Potential Assessment" as N5 #E1F5FE
+node "Solar Radiation Management Research" as N6 #F3E5F5
+component "Carbon Cycle Research" as N7 #F1F8E9
+node "Climate Modeling" as N8 #F1F8E9
+folder "Climate Change Vulnerability Assessment" as N9 #F3E5F5
+database "Climate Policy Analysis" as N10 #F3E5F5
+cloud "Carbon Sequestration Technologies" as N11 #E1F5FE
+folder "Water Resource Management under Climate Change" as N12 #E1F5FE
+cloud "Flood Risk Assessment" as N13 #F1F8E9
+cloud "Biodiversity Impact Assessment" as N14 #E1F5FE
+circle " " as S0 #F3E5F5
+circle " " as S1 #E1F5FE
+circle " " as S2 #E1F5FE
+circle " " as M0 #E1F5FE
+N0 -[#000000]-> N1
+N1 -[#000000]-> N2
+N2 -[#81C784]-> N3
+N3 ..[#BA68C8]..> N4
+N4 -[#BA68C8]-> N5
+N5 ..[#4FC3F7]..> N6
+N6 ..[#000000]..> N7
+N7 ..[#000000]..> N8
+N8 ..[#BA68C8]..> N9
+N9 -[#4FC3F7]-> N10
+N10 ..[#4FC3F7]..> N11
+N11 -[#81C784]-> N12
+N12 ..[#BA68C8]..> N13
+N13 -[#BA68C8]-> N14
+nest0_0 -[#4FC3F7]-> nest0_1
+nest0_1 -[#BA68C8]-> nest0_2
+nest0_2 ..[#81C784]..> nest0_3
+N4 -[#BA68C8]-> nest0_0
+nest0_3 ..[#4FC3F7]..> N4
+nest1_0 ..[#81C784]..> nest1_1
+N6 -[#81C784]-> nest1_0
+nest1_1 ..[#000000]..> N11
+N1 ..[#4FC3F7]..> S0
+S0 -[#000000]-> N13
+S0 ..[#BA68C8]..> N7
+S0 ..[#4FC3F7]..> N6
+N7 ..[#81C784]..> S1
+S1 ..[#000000]..> N12
+S1 -[#000000]-> N11
+N6 -[#4FC3F7]-> S2
+S2 -[#81C784]-> N9
+S2 -[#000000]-> N12
+N1 ..[#4FC3F7]..> M0
+N0 -[#000000]-> M0
+M0 ..[#000000]..> N13
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_118.txt b/test/plantuml/graph_hard/plantuml_118.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0f5d64629760c21e9a14d3bc4bceeea2fefb6879
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_118.txt
@@ -0,0 +1,36 @@
+<Aerosol Impact Assessment, connectedTo, Climate Impact Assessment>
+<Aerosol Impact Assessment, connectedTo, Renewable Energy Potential Assessment>
+<Arctic and Antarctic Research, connectedTo, Carbon Sequestration Technologies>
+<Arctic and Antarctic Research, partOf, Greenhouse Gas Measurement>
+<Atmospheric Monitoring, connectedTo, Climate Education Programs>
+<Atmospheric Monitoring, partOf, Satellite Data Interpretation>
+<Carbon Cycle Research, connectedTo, Carbon Sequestration Technologies>
+<Carbon Cycle Research, connectedTo, Climate Modeling>
+<Carbon Cycle Research, connectedTo, Water Resource Management under Climate Change>
+<Carbon Sequestration Technologies, connectedTo, Water Resource Management under Climate Change>
+<Climate Change Vulnerability Assessment, connectedTo, Climate Policy Analysis>
+<Climate Education Programs, connectedTo, Aerosol Impact Assessment>
+<Climate Education Programs, partOf, Satellite Data Interpretation>
+<Climate Impact Assessment, connectedTo, Ocean Current Analysis>
+<Climate Impact Assessment, partOf, Satellite Data Interpretation>
+<Climate Modeling, connectedTo, Climate Change Vulnerability Assessment>
+<Climate Policy Analysis, connectedTo, Carbon Sequestration Technologies>
+<Data Collection, connectedTo, International Climate Negotiation>
+<Drought Monitoring and Forecasting, connectedTo, Arctic and Antarctic Research>
+<Drought Monitoring and Forecasting, partOf, Greenhouse Gas Measurement>
+<Environmental Justice Study, connectedTo, Extreme Weather Event Analysis>
+<Environmental Justice Study, connectedTo, Flood Risk Assessment>
+<Extreme Weather Event Analysis, connectedTo, Carbon Cycle Research>
+<Extreme Weather Event Analysis, connectedTo, Data Collection>
+<Extreme Weather Event Analysis, connectedTo, Flood Risk Assessment>
+<Extreme Weather Event Analysis, connectedTo, Solar Radiation Management Research>
+<Flood Risk Assessment, connectedTo, Biodiversity Impact Assessment>
+<International Climate Negotiation, connectedTo, Aerosol Impact Assessment>
+<Ocean Current Analysis, connectedTo, Atmospheric Monitoring>
+<Ocean Current Analysis, partOf, Satellite Data Interpretation>
+<Renewable Energy Potential Assessment, connectedTo, Solar Radiation Management Research>
+<Solar Radiation Management Research, connectedTo, Carbon Cycle Research>
+<Solar Radiation Management Research, connectedTo, Climate Change Vulnerability Assessment>
+<Solar Radiation Management Research, connectedTo, Drought Monitoring and Forecasting>
+<Solar Radiation Management Research, connectedTo, Water Resource Management under Climate Change>
+<Water Resource Management under Climate Change, connectedTo, Flood Risk Assessment>
diff --git a/test/plantuml/graph_hard/plantuml_119.puml b/test/plantuml/graph_hard/plantuml_119.puml
new file mode 100644
index 0000000000000000000000000000000000000000..f0a9334e964ac05824f9cbc3012f8fa6317c5f24
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_119.puml
@@ -0,0 +1,61 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Climate Modeling" as Group0 #FBE9E7 {
+    component "Extreme Weather Event Analysis" as nest0_0 #F0F4C3
+    database "Green Technology Incubation" as nest0_1 #E1F5FE
+}
+rectangle "Climate Education Programs" as Group1 #F1F8E9 {
+    rectangle "Flood Risk Assessment" as nest1_0 #F0F4C3
+    folder "Ice Sheet Dynamics" as nest1_1 #EDE7F6
+}
+component "Drought Monitoring and Forecasting" as N0 #E1F5FE
+rectangle "Water Resource Management under Climate Change" as N1 #EDE7F6
+component "Solar Radiation Management Research" as N2 #F0F4C3
+folder "Climate Resilient Agriculture" as N3 #EDE7F6
+component "Data Collection" as N4 #EDE7F6
+component "International Climate Negotiation" as N5 #F0F4C3
+database "Biodiversity Impact Assessment" as N6 #F0F4C3
+database "Arctic and Antarctic Research" as N7 #E1F5FE
+database "Greenhouse Gas Measurement" as N8 #F0F4C3
+database "Adaptation Strategy Development" as N9 #E1F5FE
+node "Sea Level Rise Projection" as N10 #EDE7F6
+circle " " as S0 #E1F5FE
+circle " " as S1 #EDE7F6
+circle " " as S2 #F0F4C3
+circle " " as M1 #E1F5FE
+circle " " as M2 #E1F5FE
+N0 ..[#000000]..> N1
+N1 -[#4FC3F7]-> N2 : observes
+N2 -[#000000]-> N3
+N3 ..[#4FC3F7]..> N4
+N4 -[#000000]-> N5
+N5 -[#4FC3F7]-> N6 : scenarios
+N6 ..[#AED581]..> N7
+N7 ..[#000000]..> N8
+N8 ..[#AED581]..> N9 : visualizes
+N9 -[#4FC3F7]-> N10
+nest0_0 ..[#AED581]..> nest0_1
+N4 -[#9575CD]-> nest0_0
+nest0_1 ..[#000000]..> N2
+nest1_0 ..[#4FC3F7]..> nest1_1 : models
+N3 ..[#4FC3F7]..> nest1_0
+nest1_1 -[#000000]-> N5
+N4 ..[#AED581]..> S0
+S0 ..[#4FC3F7]..> N9
+S0 -[#AED581]-> N10
+S0 ..[#000000]..> N6
+N0 ..[#4FC3F7]..> S1
+S1 -[#AED581]-> N2
+S1 ..[#AED581]..> N8
+N0 -[#9575CD]-> S2
+S2 -[#9575CD]-> N9
+S2 ..[#000000]..> N6
+N1 -[#9575CD]-> M1
+N0 -[#9575CD]-> M1 : informs
+M1 -[#AED581]-> N3
+N5 ..[#AED581]..> M2
+N7 -[#AED581]-> M2
+M2 ..[#4FC3F7]..> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_119.txt b/test/plantuml/graph_hard/plantuml_119.txt
new file mode 100644
index 0000000000000000000000000000000000000000..010788329e116d7d2c1e28757f73eadab77af993
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_119.txt
@@ -0,0 +1,31 @@
+<Adaptation Strategy Development, connectedTo, Sea Level Rise Projection>
+<Arctic and Antarctic Research, connectedTo, Greenhouse Gas Measurement>
+<Arctic and Antarctic Research, connectedTo, Sea Level Rise Projection>
+<Biodiversity Impact Assessment, connectedTo, Arctic and Antarctic Research>
+<Climate Resilient Agriculture, connectedTo, Data Collection>
+<Climate Resilient Agriculture, connectedTo, Flood Risk Assessment>
+<Data Collection, connectedTo, Adaptation Strategy Development>
+<Data Collection, connectedTo, Biodiversity Impact Assessment>
+<Data Collection, connectedTo, Extreme Weather Event Analysis>
+<Data Collection, connectedTo, International Climate Negotiation>
+<Data Collection, connectedTo, Sea Level Rise Projection>
+<Drought Monitoring and Forecasting, connectedTo, Adaptation Strategy Development>
+<Drought Monitoring and Forecasting, connectedTo, Biodiversity Impact Assessment>
+<Drought Monitoring and Forecasting, connectedTo, Greenhouse Gas Measurement>
+<Drought Monitoring and Forecasting, connectedTo, Solar Radiation Management Research>
+<Drought Monitoring and Forecasting, connectedTo, Water Resource Management under Climate Change>
+<Drought Monitoring and Forecasting, informs, Climate Resilient Agriculture>
+<Extreme Weather Event Analysis, connectedTo, Green Technology Incubation>
+<Extreme Weather Event Analysis, partOf, Climate Modeling>
+<Flood Risk Assessment, models, Ice Sheet Dynamics>
+<Flood Risk Assessment, partOf, Climate Education Programs>
+<Green Technology Incubation, connectedTo, Solar Radiation Management Research>
+<Green Technology Incubation, partOf, Climate Modeling>
+<Greenhouse Gas Measurement, visualizes, Adaptation Strategy Development>
+<Ice Sheet Dynamics, connectedTo, International Climate Negotiation>
+<Ice Sheet Dynamics, partOf, Climate Education Programs>
+<International Climate Negotiation, connectedTo, Sea Level Rise Projection>
+<International Climate Negotiation, scenarios, Biodiversity Impact Assessment>
+<Solar Radiation Management Research, connectedTo, Climate Resilient Agriculture>
+<Water Resource Management under Climate Change, connectedTo, Climate Resilient Agriculture>
+<Water Resource Management under Climate Change, observes, Solar Radiation Management Research>
diff --git a/test/plantuml/graph_hard/plantuml_12.puml b/test/plantuml/graph_hard/plantuml_12.puml
new file mode 100644
index 0000000000000000000000000000000000000000..ea4485608f56063545bf52168ae96681aa9cf295
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_12.puml
@@ -0,0 +1,64 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Student Application" as Group0 #E0F2F1 {
+    node "Career Services" as nest0_0 #FBE9E7
+    frame "Orientation" as nest0_1 #E0E6E9
+    node "Faculty Recruitment" as nest0_2 #E0E6E9
+    folder "Transcript Issuance" as nest0_3 #FBE9E7
+}
+rectangle "Assignment Submission" as Group1 #ECEFF1 {
+    usecase "Course Material Preparation" as nest1_0 #DDCEDD
+    cloud "Internship Coordination" as nest1_1 #FBE9E7
+}
+artifact "Online Learning Platform Management" as N0 #FBE9E7
+component "Advisory Committee Meeting" as N1 #FBE9E7
+cloud "Thesis Submission" as N2 #E0E6E9
+artifact "Curriculum Development" as N3 #DDCEDD
+artifact "Scholarship Evaluation" as N4 #DDCEDD
+cloud "Study Abroad Program" as N5 #DDCEDD
+rectangle "Document Verification" as N6 #DDCEDD
+component "Exam Conduct" as N7 #DDCEDD
+cloud "Extracurricular Activity" as N8 #E0E6E9
+cloud "Alumni Network Management" as N9 #DDCEDD
+circle " " as S0 #FBE9E7
+circle " " as S1 #FBE9E7
+circle " " as S2 #DDCEDD
+circle " " as M1 #FBE9E7
+N0 -[#FF8A65]-> N1
+N1 ..[#FF8A65]..> N2
+N2 ..[#AF56A6]..> N3
+N3 ..[#FF8A65]..> N4
+N4 ..[#FF8A65]..> N5
+N5 ..[#AF56A6]..> N6
+N6 -[#AF56A6]-> N7
+N7 ..[#AF56A6]..> N8
+N8 ..[#AABEC6]..> N9
+nest0_0 -[#AF56A6]-> nest0_1
+nest0_1 -[#000000]-> nest0_2
+nest0_2 -[#FF8A65]-> nest0_3
+N7 ..[#AABEC6]..> nest0_0
+nest0_3 ..[#AABEC6]..> N8
+nest1_0 ..[#AF56A6]..> nest1_1
+N4 -[#AABEC6]-> nest1_0
+nest1_1 -[#000000]-> N6
+N3 ..[#000000]..> S0
+S0 -[#000000]-> N7
+S0 -[#AABEC6]-> N9
+S0 ..[#AABEC6]..> N8
+S0 ..[#000000]..> N5 : schedules
+N5 ..[#FF8A65]..> S1
+S1 ..[#AABEC6]..> N8
+S1 ..[#000000]..> N7
+S1 ..[#FF8A65]..> N9
+N1 ..[#000000]..> S2
+S2 -[#AABEC6]-> N3
+S2 ..[#AF56A6]..> N4
+S2 ..[#FF8A65]..> N8
+N1 ..[#FF8A65]..> M1
+N4 ..[#AABEC6]..> M1
+N2 -[#FF8A65]-> M1
+N3 ..[#AF56A6]..> M1
+M1 -[#FF8A65]-> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_12.txt b/test/plantuml/graph_hard/plantuml_12.txt
new file mode 100644
index 0000000000000000000000000000000000000000..966ac45b41bb0b348e003ae928956b294957fbbb
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_12.txt
@@ -0,0 +1,36 @@
+<Advisory Committee Meeting, connectedTo, Curriculum Development>
+<Advisory Committee Meeting, connectedTo, Exam Conduct>
+<Advisory Committee Meeting, connectedTo, Extracurricular Activity>
+<Advisory Committee Meeting, connectedTo, Scholarship Evaluation>
+<Advisory Committee Meeting, connectedTo, Thesis Submission>
+<Career Services, connectedTo, Orientation>
+<Career Services, partOf, Student Application>
+<Course Material Preparation, connectedTo, Internship Coordination>
+<Course Material Preparation, partOf, Assignment Submission>
+<Curriculum Development, connectedTo, Alumni Network Management>
+<Curriculum Development, connectedTo, Exam Conduct>
+<Curriculum Development, connectedTo, Extracurricular Activity>
+<Curriculum Development, connectedTo, Scholarship Evaluation>
+<Curriculum Development, schedules, Study Abroad Program>
+<Document Verification, connectedTo, Exam Conduct>
+<Exam Conduct, connectedTo, Career Services>
+<Exam Conduct, connectedTo, Extracurricular Activity>
+<Extracurricular Activity, connectedTo, Alumni Network Management>
+<Faculty Recruitment, connectedTo, Transcript Issuance>
+<Faculty Recruitment, partOf, Student Application>
+<Internship Coordination, connectedTo, Document Verification>
+<Internship Coordination, partOf, Assignment Submission>
+<Online Learning Platform Management, connectedTo, Advisory Committee Meeting>
+<Orientation, connectedTo, Faculty Recruitment>
+<Orientation, partOf, Student Application>
+<Scholarship Evaluation, connectedTo, Course Material Preparation>
+<Scholarship Evaluation, connectedTo, Exam Conduct>
+<Scholarship Evaluation, connectedTo, Study Abroad Program>
+<Study Abroad Program, connectedTo, Alumni Network Management>
+<Study Abroad Program, connectedTo, Document Verification>
+<Study Abroad Program, connectedTo, Exam Conduct>
+<Study Abroad Program, connectedTo, Extracurricular Activity>
+<Thesis Submission, connectedTo, Curriculum Development>
+<Thesis Submission, connectedTo, Exam Conduct>
+<Transcript Issuance, connectedTo, Extracurricular Activity>
+<Transcript Issuance, partOf, Student Application>
diff --git a/test/plantuml/graph_hard/plantuml_120.puml b/test/plantuml/graph_hard/plantuml_120.puml
new file mode 100644
index 0000000000000000000000000000000000000000..fa335c1193665b4a2ac38717c54036b01bdd98a7
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_120.puml
@@ -0,0 +1,75 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Indigenous Knowledge Integration" as Group0 #FFF3E0 {
+    usecase "Flood Risk Assessment" as nest0_0 #E8EAF6
+    frame "Climate Impact Assessment" as nest0_1 #E0F7FA
+}
+rectangle "Environmental Justice Study" as Group1 #E3F2FD {
+    artifact "Mitigation Technology Evaluation" as nest1_0 #E8EAF6
+    node "Ice Sheet Dynamics" as nest1_1 #E0F7FA
+    rectangle "Data Collection" as nest1_2 #E0F7FA
+}
+folder "Paleoclimate Reconstruction" as N0 #E8EAF6
+component "Remote Sensing for Climate" as N1 #E0F7FA
+node "Extreme Weather Event Analysis" as N2 #F9FBE7
+database "Renewable Energy Potential Assessment" as N3 #E0F7FA
+artifact "Ecological Footprint Calculation" as N4 #F9FBE7
+folder "Green Technology Incubation" as N5 #F9FBE7
+frame "Climate Modeling" as N6 #E0F7FA
+database "Ocean Current Analysis" as N7 #E8EAF6
+cloud "Solar Radiation Management Research" as N8 #E0F7FA
+usecase "Climate Finance Tracking" as N9 #F9FBE7
+usecase "Cloud Formation Research" as N10 #E0F7FA
+folder "Biodiversity Impact Assessment" as N11 #E8EAF6
+usecase "Glacier Mass Balance Monitoring" as N12 #E8EAF6
+folder "Greenhouse Gas Measurement" as N13 #E0F7FA
+artifact "Ocean Acidification Studies" as N14 #E8EAF6
+artifact "Arctic and Antarctic Research" as N15 #E8EAF6
+circle " " as S0 #E8EAF6
+circle " " as S1 #E8EAF6
+circle " " as S2 #E8EAF6
+circle " " as M0 #E8EAF6
+circle " " as M1 #F9FBE7
+N0 -[#5C6BC0]-> N1
+N1 ..[#00BCD4]..> N2
+N2 -[#5C6BC0]-> N3
+N3 -[#000000]-> N4
+N4 -[#00BCD4]-> N5
+N5 ..[#5C6BC0]..> N6
+N6 -[#C0CA33]-> N7
+N7 -[#000000]-> N8
+N8 -[#000000]-> N9
+N9 ..[#C0CA33]..> N10
+N10 ..[#5C6BC0]..> N11
+N11 ..[#000000]..> N12
+N12 -[#000000]-> N13
+N13 ..[#000000]..> N14
+N14 -[#5C6BC0]-> N15
+nest0_0 ..[#C0CA33]..> nest0_1
+N8 -[#00BCD4]-> nest0_0 : calibrates
+nest0_1 -[#5C6BC0]-> N11
+nest1_0 -[#C0CA33]-> nest1_1 : educates
+nest1_1 -[#C0CA33]-> nest1_2
+N2 -[#C0CA33]-> nest1_0
+nest1_2 -[#5C6BC0]-> N2
+N1 ..[#00BCD4]..> S0
+S0 ..[#5C6BC0]..> N5
+S0 ..[#5C6BC0]..> N8
+S0 ..[#00BCD4]..> N7
+N5 ..[#5C6BC0]..> S1
+S1 -[#00BCD4]-> N12
+S1 ..[#000000]..> N13
+N0 -[#00BCD4]-> S2
+S2 -[#C0CA33]-> N6
+S2 ..[#C0CA33]..> N14
+S2 ..[#C0CA33]..> N12 : analyzes
+N8 ..[#00BCD4]..> M0
+N3 ..[#000000]..> M0
+N1 -[#00BCD4]-> M0 : informs
+M0 -[#000000]-> N12
+N1 ..[#000000]..> M1
+N0 ..[#C0CA33]..> M1
+M1 -[#00BCD4]-> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_120.txt b/test/plantuml/graph_hard/plantuml_120.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e45db82ab604c3ab970f6901548d96f68f70f10b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_120.txt
@@ -0,0 +1,40 @@
+<Biodiversity Impact Assessment, connectedTo, Glacier Mass Balance Monitoring>
+<Climate Finance Tracking, connectedTo, Cloud Formation Research>
+<Climate Impact Assessment, connectedTo, Biodiversity Impact Assessment>
+<Climate Impact Assessment, partOf, Indigenous Knowledge Integration>
+<Climate Modeling, connectedTo, Ocean Current Analysis>
+<Cloud Formation Research, connectedTo, Biodiversity Impact Assessment>
+<Data Collection, connectedTo, Extreme Weather Event Analysis>
+<Data Collection, partOf, Environmental Justice Study>
+<Ecological Footprint Calculation, connectedTo, Green Technology Incubation>
+<Extreme Weather Event Analysis, connectedTo, Mitigation Technology Evaluation>
+<Extreme Weather Event Analysis, connectedTo, Renewable Energy Potential Assessment>
+<Flood Risk Assessment, connectedTo, Climate Impact Assessment>
+<Flood Risk Assessment, partOf, Indigenous Knowledge Integration>
+<Glacier Mass Balance Monitoring, connectedTo, Greenhouse Gas Measurement>
+<Green Technology Incubation, connectedTo, Climate Modeling>
+<Green Technology Incubation, connectedTo, Glacier Mass Balance Monitoring>
+<Green Technology Incubation, connectedTo, Greenhouse Gas Measurement>
+<Greenhouse Gas Measurement, connectedTo, Ocean Acidification Studies>
+<Ice Sheet Dynamics, connectedTo, Data Collection>
+<Ice Sheet Dynamics, partOf, Environmental Justice Study>
+<Mitigation Technology Evaluation, educates, Ice Sheet Dynamics>
+<Mitigation Technology Evaluation, partOf, Environmental Justice Study>
+<Ocean Acidification Studies, connectedTo, Arctic and Antarctic Research>
+<Ocean Current Analysis, connectedTo, Solar Radiation Management Research>
+<Paleoclimate Reconstruction, analyzes, Glacier Mass Balance Monitoring>
+<Paleoclimate Reconstruction, connectedTo, Climate Modeling>
+<Paleoclimate Reconstruction, connectedTo, Ocean Acidification Studies>
+<Paleoclimate Reconstruction, connectedTo, Remote Sensing for Climate>
+<Paleoclimate Reconstruction, connectedTo, Renewable Energy Potential Assessment>
+<Remote Sensing for Climate, connectedTo, Extreme Weather Event Analysis>
+<Remote Sensing for Climate, connectedTo, Green Technology Incubation>
+<Remote Sensing for Climate, connectedTo, Ocean Current Analysis>
+<Remote Sensing for Climate, connectedTo, Renewable Energy Potential Assessment>
+<Remote Sensing for Climate, connectedTo, Solar Radiation Management Research>
+<Remote Sensing for Climate, informs, Glacier Mass Balance Monitoring>
+<Renewable Energy Potential Assessment, connectedTo, Ecological Footprint Calculation>
+<Renewable Energy Potential Assessment, connectedTo, Glacier Mass Balance Monitoring>
+<Solar Radiation Management Research, calibrates, Flood Risk Assessment>
+<Solar Radiation Management Research, connectedTo, Climate Finance Tracking>
+<Solar Radiation Management Research, connectedTo, Glacier Mass Balance Monitoring>
diff --git a/test/plantuml/graph_hard/plantuml_121.puml b/test/plantuml/graph_hard/plantuml_121.puml
new file mode 100644
index 0000000000000000000000000000000000000000..303b9c968b9a55dd340a62548e35b5b71375b29a
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_121.puml
@@ -0,0 +1,67 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Flood Prediction" as Group0 #E0F2F1 {
+    component "Climate Data Archiving" as nest0_0 #FFECB3
+    usecase "Cloud Observation" as nest0_1 #FFECB3
+}
+rectangle "Arctic Weather Research" as Group1 #EDE7F6 {
+    folder "Temperature Monitoring" as nest1_0 #F9FBE7
+    artifact "Fire Weather Forecasting" as nest1_1 #FFECB3
+}
+cloud "Nowcasting" as N0 #FFEBEE
+database "Atmospheric Data Collection" as N1 #F9FBE7
+folder "Pollution Dispersion Modeling" as N2 #FFEBEE
+node "Atmospheric Sounding" as N3 #FFECB3
+node "Marine Weather Forecast" as N4 #FFECB3
+database "Hurricane Trajectory Modeling" as N5 #FFECB3
+component "Boundary Layer Study" as N6 #FFECB3
+folder "Drought Monitoring" as N7 #FFECB3
+database "Meteorological Station Maintenance" as N8 #F9FBE7
+cloud "Synoptic Chart Analysis" as N9 #F9FBE7
+folder "Wind Speed and Direction" as N10 #FFEBEE
+frame "Public Weather Briefing" as N11 #FFECB3
+node "Numerical Weather Prediction" as N12 #FFECB3
+database "Mesoscale Meteorology" as N13 #F9FBE7
+usecase "Snowfall Measurement" as N14 #FFEBEE
+database "Weather Forecasting" as N15 #FFECB3
+cloud "Aviation Weather Briefing" as N16 #FFECB3
+node "Radar Imaging" as N17 #FFEBEE
+circle " " as S0 #F9FBE7
+circle " " as S1 #FFEBEE
+circle " " as M0 #FFECB3
+N0 ..[#000000]..> N1
+N1 -[#C0CA33]-> N2
+N2 ..[#C0CA33]..> N3
+N3 ..[#FFC107]..> N4 : visualizes
+N4 -[#E57373]-> N5
+N5 -[#C0CA33]-> N6
+N6 ..[#000000]..> N7
+N7 -[#000000]-> N8
+N8 -[#E57373]-> N9 : predicts
+N9 -[#000000]-> N10
+N10 -[#000000]-> N11 : distributes
+N11 -[#FFC107]-> N12
+N12 ..[#C0CA33]..> N13
+N13 ..[#C0CA33]..> N14
+N14 -[#FFC107]-> N15
+N15 ..[#000000]..> N16
+N16 -[#C0CA33]-> N17
+nest0_0 ..[#E57373]..> nest0_1
+N11 ..[#C0CA33]..> nest0_0
+nest0_1 ..[#FFC107]..> N8
+nest1_0 -[#000000]-> nest1_1
+N7 -[#000000]-> nest1_0
+nest1_1 -[#000000]-> N11
+N10 -[#FFC107]-> S0
+S0 -[#E57373]-> N13
+S0 ..[#E57373]..> N15 : calculates
+S0 -[#FFC107]-> N12
+N9 ..[#C0CA33]..> S1
+S1 -[#C0CA33]-> N17
+S1 -[#FFC107]-> N11
+N11 ..[#000000]..> M0
+N14 ..[#E57373]..> M0
+M0 -[#E57373]-> N16
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_121.txt b/test/plantuml/graph_hard/plantuml_121.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a0d01ee7dee3a4993789d4da0bf3ee8a53ede88b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_121.txt
@@ -0,0 +1,34 @@
+<Atmospheric Data Collection, connectedTo, Pollution Dispersion Modeling>
+<Atmospheric Sounding, visualizes, Marine Weather Forecast>
+<Aviation Weather Briefing, connectedTo, Radar Imaging>
+<Boundary Layer Study, connectedTo, Drought Monitoring>
+<Climate Data Archiving, connectedTo, Cloud Observation>
+<Climate Data Archiving, partOf, Flood Prediction>
+<Cloud Observation, connectedTo, Meteorological Station Maintenance>
+<Cloud Observation, partOf, Flood Prediction>
+<Drought Monitoring, connectedTo, Meteorological Station Maintenance>
+<Drought Monitoring, connectedTo, Temperature Monitoring>
+<Fire Weather Forecasting, connectedTo, Public Weather Briefing>
+<Fire Weather Forecasting, partOf, Arctic Weather Research>
+<Hurricane Trajectory Modeling, connectedTo, Boundary Layer Study>
+<Marine Weather Forecast, connectedTo, Hurricane Trajectory Modeling>
+<Mesoscale Meteorology, connectedTo, Snowfall Measurement>
+<Meteorological Station Maintenance, predicts, Synoptic Chart Analysis>
+<Nowcasting, connectedTo, Atmospheric Data Collection>
+<Numerical Weather Prediction, connectedTo, Mesoscale Meteorology>
+<Pollution Dispersion Modeling, connectedTo, Atmospheric Sounding>
+<Public Weather Briefing, connectedTo, Aviation Weather Briefing>
+<Public Weather Briefing, connectedTo, Climate Data Archiving>
+<Public Weather Briefing, connectedTo, Numerical Weather Prediction>
+<Snowfall Measurement, connectedTo, Aviation Weather Briefing>
+<Snowfall Measurement, connectedTo, Weather Forecasting>
+<Synoptic Chart Analysis, connectedTo, Public Weather Briefing>
+<Synoptic Chart Analysis, connectedTo, Radar Imaging>
+<Synoptic Chart Analysis, connectedTo, Wind Speed and Direction>
+<Temperature Monitoring, connectedTo, Fire Weather Forecasting>
+<Temperature Monitoring, partOf, Arctic Weather Research>
+<Weather Forecasting, connectedTo, Aviation Weather Briefing>
+<Wind Speed and Direction, calculates, Weather Forecasting>
+<Wind Speed and Direction, connectedTo, Mesoscale Meteorology>
+<Wind Speed and Direction, connectedTo, Numerical Weather Prediction>
+<Wind Speed and Direction, distributes, Public Weather Briefing>
diff --git a/test/plantuml/graph_hard/plantuml_122.puml b/test/plantuml/graph_hard/plantuml_122.puml
new file mode 100644
index 0000000000000000000000000000000000000000..03f04fd762a193dba99c386aaaf84ffaf0592f62
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_122.puml
@@ -0,0 +1,68 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Synoptic Chart Analysis" as Group0 #ECEFF1 {
+    frame "Public Weather Briefing" as nest0_0 #F8BBD0
+    folder "Snowfall Measurement" as nest0_1 #E8F0EA
+    usecase "Agricultural Weather Advisory" as nest0_2 #ECEFF1
+}
+rectangle "Climate Change Impact Study" as Group1 #E8F5E9 {
+    folder "Mesoscale Meteorology" as nest1_0 #F8BBD0
+    artifact "Nowcasting" as nest1_1 #F8BBD0
+    folder "Atmospheric Sounding" as nest1_2 #E8F0EA
+}
+database "Radar Imaging" as N0 #ECEFF1
+artifact "Marine Weather Forecast" as N1 #E8F0EA
+component "Drought Monitoring" as N2 #ECEFF1
+frame "Arctic Weather Research" as N3 #E8F0EA
+folder "Seasonal Outlook Preparation" as N4 #E8F0EA
+component "Tropical Cyclone Analysis" as N5 #F8BBD0
+usecase "Lightning Detection" as N6 #ECEFF1
+node "Flood Prediction" as N7 #E8F0EA
+artifact "Pollution Dispersion Modeling" as N8 #ECEFF1
+artifact "Numerical Weather Prediction" as N9 #ECEFF1
+folder "Cloud Observation" as N10 #ECEFF1
+folder "Precipitation Measurement" as N11 #ECEFF1
+circle " " as S0 #E8F0EA
+circle " " as S1 #F8BBD0
+circle " " as M0 #ECEFF1
+circle " " as M1 #E8F0EA
+circle " " as M2 #F8BBD0
+N0 ..[#90A4AE]..> N1
+N1 ..[#000000]..> N2
+N2 ..[#90A4AE]..> N3
+N3 -[#92C79A]-> N4
+N4 ..[#92C79A]..> N5 : charts
+N5 -[#E91E63]-> N6
+N6 ..[#E91E63]..> N7
+N7 ..[#90A4AE]..> N8
+N8 ..[#92C79A]..> N9
+N9 ..[#000000]..> N10
+N10 ..[#000000]..> N11
+nest0_0 ..[#92C79A]..> nest0_1
+nest0_1 ..[#92C79A]..> nest0_2
+N5 ..[#90A4AE]..> nest0_0
+nest0_2 ..[#E91E63]..> N3
+nest1_0 ..[#90A4AE]..> nest1_1
+nest1_1 -[#E91E63]-> nest1_2
+N3 -[#90A4AE]-> nest1_0
+nest1_2 ..[#000000]..> N5
+N1 -[#92C79A]-> S0
+S0 ..[#90A4AE]..> N3
+S0 ..[#90A4AE]..> N5
+N6 -[#90A4AE]-> S1
+S1 ..[#E91E63]..> N8 : transmits
+S1 ..[#90A4AE]..> N10
+N3 -[#000000]-> M0
+N5 -[#000000]-> M0
+N6 ..[#E91E63]..> M0
+M0 -[#92C79A]-> N10
+N1 -[#000000]-> M1
+N5 -[#92C79A]-> M1
+N6 ..[#000000]..> M1
+M1 ..[#92C79A]..> N8
+N3 -[#90A4AE]-> M2
+N4 ..[#92C79A]..> M2
+M2 -[#E91E63]-> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_122.txt b/test/plantuml/graph_hard/plantuml_122.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a2cbeb4e132421fc0b734e2497f92e8fc273f236
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_122.txt
@@ -0,0 +1,36 @@
+<Agricultural Weather Advisory, connectedTo, Arctic Weather Research>
+<Agricultural Weather Advisory, partOf, Synoptic Chart Analysis>
+<Arctic Weather Research, connectedTo, Cloud Observation>
+<Arctic Weather Research, connectedTo, Lightning Detection>
+<Arctic Weather Research, connectedTo, Mesoscale Meteorology>
+<Arctic Weather Research, connectedTo, Seasonal Outlook Preparation>
+<Atmospheric Sounding, connectedTo, Tropical Cyclone Analysis>
+<Atmospheric Sounding, partOf, Climate Change Impact Study>
+<Cloud Observation, connectedTo, Precipitation Measurement>
+<Drought Monitoring, connectedTo, Arctic Weather Research>
+<Flood Prediction, connectedTo, Pollution Dispersion Modeling>
+<Lightning Detection, connectedTo, Cloud Observation>
+<Lightning Detection, connectedTo, Flood Prediction>
+<Lightning Detection, connectedTo, Pollution Dispersion Modeling>
+<Lightning Detection, transmits, Pollution Dispersion Modeling>
+<Marine Weather Forecast, connectedTo, Arctic Weather Research>
+<Marine Weather Forecast, connectedTo, Drought Monitoring>
+<Marine Weather Forecast, connectedTo, Pollution Dispersion Modeling>
+<Marine Weather Forecast, connectedTo, Tropical Cyclone Analysis>
+<Mesoscale Meteorology, connectedTo, Nowcasting>
+<Mesoscale Meteorology, partOf, Climate Change Impact Study>
+<Nowcasting, connectedTo, Atmospheric Sounding>
+<Nowcasting, partOf, Climate Change Impact Study>
+<Numerical Weather Prediction, connectedTo, Cloud Observation>
+<Pollution Dispersion Modeling, connectedTo, Numerical Weather Prediction>
+<Public Weather Briefing, connectedTo, Snowfall Measurement>
+<Public Weather Briefing, partOf, Synoptic Chart Analysis>
+<Radar Imaging, connectedTo, Marine Weather Forecast>
+<Seasonal Outlook Preparation, charts, Tropical Cyclone Analysis>
+<Seasonal Outlook Preparation, connectedTo, Lightning Detection>
+<Snowfall Measurement, connectedTo, Agricultural Weather Advisory>
+<Snowfall Measurement, partOf, Synoptic Chart Analysis>
+<Tropical Cyclone Analysis, connectedTo, Cloud Observation>
+<Tropical Cyclone Analysis, connectedTo, Lightning Detection>
+<Tropical Cyclone Analysis, connectedTo, Pollution Dispersion Modeling>
+<Tropical Cyclone Analysis, connectedTo, Public Weather Briefing>
diff --git a/test/plantuml/graph_hard/plantuml_123.puml b/test/plantuml/graph_hard/plantuml_123.puml
new file mode 100644
index 0000000000000000000000000000000000000000..c544925b9b0e3f19d53a4f01f7c01c27ab3eeb2d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_123.puml
@@ -0,0 +1,72 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Tornado Watch or Warning" as Group0 #E0F2F1 {
+    component "Temperature Monitoring" as nest0_0 #FFEBEE
+    artifact "Lightning Detection" as nest0_1 #FFEBEE
+    folder "Climate Modeling" as nest0_2 #FFE88D
+}
+rectangle "Ocean_Atmosphere Interaction Study" as Group1 #FBE9E7 {
+    frame "Agricultural Weather Advisory" as nest1_0 #FFE88D
+    node "Severe Weather Warning" as nest1_1 #FFEBEE
+    frame "Synoptic Chart Analysis" as nest1_2 #FFEBEE
+    component "Satellite Meteorology" as nest1_3 #FFE88D
+}
+folder "Public Weather Briefing" as N0 #FFE88D
+folder "Radar Imaging" as N1 #FFEBEE
+rectangle "Hurricane Trajectory Modeling" as N2 #F6F6F6
+component "Storm Tracking" as N3 #FFEBEE
+folder "Seasonal Outlook Preparation" as N4 #F6F6F6
+folder "Meteorological Instrument Calibration" as N5 #FFEBEE
+artifact "Nowcasting" as N6 #FFEBEE
+folder "Aviation Weather Briefing" as N7 #FFE88D
+cloud "Marine Weather Forecast" as N8 #F6F6F6
+usecase "Weather Forecasting" as N9 #FFE88D
+database "Fire Weather Forecasting" as N10 #FFE88D
+circle " " as S0 #FFE88D
+circle " " as S1 #FFE88D
+circle " " as S2 #F6F6F6
+circle " " as M0 #F6F6F6
+circle " " as M2 #FFE88D
+N0 ..[#000000]..> N1
+N1 -[#E57373]-> N2
+N2 -[#CFCFCF]-> N3
+N3 -[#000000]-> N4
+N4 -[#E57373]-> N5
+N5 ..[#CFCFCF]..> N6
+N6 -[#E57373]-> N7
+N7 -[#FFDA4E]-> N8 : researches
+N8 -[#E57373]-> N9
+N9 ..[#FFDA4E]..> N10
+nest0_0 -[#E57373]-> nest0_1 : receives
+nest0_1 -[#CFCFCF]-> nest0_2
+N3 -[#CFCFCF]-> nest0_0
+nest0_2 ..[#E57373]..> N9 : validates
+nest1_0 -[#FFDA4E]-> nest1_1
+nest1_1 -[#E57373]-> nest1_2 : retrieves
+nest1_2 -[#E57373]-> nest1_3
+N9 ..[#CFCFCF]..> nest1_0
+nest1_3 -[#CFCFCF]-> N1
+N0 -[#000000]-> S0
+S0 -[#E57373]-> N9
+S0 ..[#FFDA4E]..> N6
+S0 ..[#CFCFCF]..> N10 : deploys
+N7 -[#FFDA4E]-> S1
+S1 -[#FFDA4E]-> N9
+S1 ..[#CFCFCF]..> N10
+N4 ..[#000000]..> S2
+S2 -[#FFDA4E]-> N10
+S2 ..[#E57373]..> N8
+S2 -[#E57373]-> N6
+S2 ..[#CFCFCF]..> N7
+N2 ..[#E57373]..> M0
+N1 ..[#CFCFCF]..> M0
+N0 -[#FFDA4E]-> M0 : supports
+N3 ..[#000000]..> M0
+M0 ..[#FFDA4E]..> N5
+N0 -[#CFCFCF]-> M2
+N2 ..[#FFDA4E]..> M2
+N1 ..[#CFCFCF]..> M2
+M2 -[#CFCFCF]-> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_123.txt b/test/plantuml/graph_hard/plantuml_123.txt
new file mode 100644
index 0000000000000000000000000000000000000000..553b5da3c2e297af7ed5963215325dff52e42e4e
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_123.txt
@@ -0,0 +1,41 @@
+<Agricultural Weather Advisory, connectedTo, Severe Weather Warning>
+<Agricultural Weather Advisory, partOf, Ocean_Atmosphere Interaction Study>
+<Aviation Weather Briefing, connectedTo, Fire Weather Forecasting>
+<Aviation Weather Briefing, connectedTo, Weather Forecasting>
+<Aviation Weather Briefing, researches, Marine Weather Forecast>
+<Climate Modeling, partOf, Tornado Watch or Warning>
+<Climate Modeling, validates, Weather Forecasting>
+<Hurricane Trajectory Modeling, connectedTo, Meteorological Instrument Calibration>
+<Hurricane Trajectory Modeling, connectedTo, Nowcasting>
+<Hurricane Trajectory Modeling, connectedTo, Storm Tracking>
+<Lightning Detection, connectedTo, Climate Modeling>
+<Lightning Detection, partOf, Tornado Watch or Warning>
+<Marine Weather Forecast, connectedTo, Weather Forecasting>
+<Meteorological Instrument Calibration, connectedTo, Nowcasting>
+<Nowcasting, connectedTo, Aviation Weather Briefing>
+<Public Weather Briefing, connectedTo, Nowcasting>
+<Public Weather Briefing, connectedTo, Radar Imaging>
+<Public Weather Briefing, connectedTo, Weather Forecasting>
+<Public Weather Briefing, deploys, Fire Weather Forecasting>
+<Public Weather Briefing, supports, Meteorological Instrument Calibration>
+<Radar Imaging, connectedTo, Hurricane Trajectory Modeling>
+<Radar Imaging, connectedTo, Meteorological Instrument Calibration>
+<Radar Imaging, connectedTo, Nowcasting>
+<Satellite Meteorology, connectedTo, Radar Imaging>
+<Satellite Meteorology, partOf, Ocean_Atmosphere Interaction Study>
+<Seasonal Outlook Preparation, connectedTo, Aviation Weather Briefing>
+<Seasonal Outlook Preparation, connectedTo, Fire Weather Forecasting>
+<Seasonal Outlook Preparation, connectedTo, Marine Weather Forecast>
+<Seasonal Outlook Preparation, connectedTo, Meteorological Instrument Calibration>
+<Seasonal Outlook Preparation, connectedTo, Nowcasting>
+<Severe Weather Warning, partOf, Ocean_Atmosphere Interaction Study>
+<Severe Weather Warning, retrieves, Synoptic Chart Analysis>
+<Storm Tracking, connectedTo, Meteorological Instrument Calibration>
+<Storm Tracking, connectedTo, Seasonal Outlook Preparation>
+<Storm Tracking, connectedTo, Temperature Monitoring>
+<Synoptic Chart Analysis, connectedTo, Satellite Meteorology>
+<Synoptic Chart Analysis, partOf, Ocean_Atmosphere Interaction Study>
+<Temperature Monitoring, partOf, Tornado Watch or Warning>
+<Temperature Monitoring, receives, Lightning Detection>
+<Weather Forecasting, connectedTo, Agricultural Weather Advisory>
+<Weather Forecasting, connectedTo, Fire Weather Forecasting>
diff --git a/test/plantuml/graph_hard/plantuml_124.puml b/test/plantuml/graph_hard/plantuml_124.puml
new file mode 100644
index 0000000000000000000000000000000000000000..5c0af1f1f25aed6547df6aa655a3c1d2f3897e92
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_124.puml
@@ -0,0 +1,73 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Closed_Loop Systems" as Group0 #F3E5F5 {
+    frame "Waste Compaction" as nest0_0 #FCE4EC
+    database "Public Education on Waste" as nest0_1 #FFE88D
+}
+rectangle "Waste Reduction Planning" as Group1 #ECEFF1 {
+    frame "Waste Collection" as nest1_0 #FCE4EC
+    frame "Material Recovery Facility Operation" as nest1_1 #FFE88D
+}
+usecase "Construction and Demolition Waste Management" as N0 #D3F7F9
+folder "Paper Recycling" as N1 #D3F7F9
+cloud "Smart Waste Bins" as N2 #FCE4EC
+cloud "Anaerobic Digestion" as N3 #D3F7F9
+folder "Textile Recycling" as N4 #D3F7F9
+artifact "Landfill Operation" as N5 #D3F7F9
+artifact "Organics Collection" as N6 #FFE88D
+database "Plastic Recycling Technologies" as N7 #D3F7F9
+folder "Waste Logistics Optimization" as N8 #FCE4EC
+folder "Biomedical Waste Handling" as N9 #D3F7F9
+node "Waste Management Policy Development" as N10 #D3F7F9
+artifact "Illegal Dumping Monitoring" as N11 #FFE88D
+folder "Extended Producer Responsibility" as N12 #FCE4EC
+cloud "Metal Recycling" as N13 #D3F7F9
+folder "Hazardous Waste Disposal" as N14 #FCE4EC
+usecase "Glass Recycling" as N15 #FFE88D
+component "Composting" as N16 #D3F7F9
+component "Circular Economy Initiatives" as N17 #FFE88D
+component "Waste Characterization Study" as N18 #FFE88D
+circle " " as S0 #D3F7F9
+circle " " as S1 #FCE4EC
+circle " " as M1 #FCE4EC
+N0 -[#F06292]-> N1
+N1 -[#F06292]-> N2 : inspects
+N2 -[#FFDA4E]-> N3
+N3 ..[#80DDEA]..> N4
+N4 ..[#80DDEA]..> N5
+N5 -[#80DDEA]-> N6 : sorts
+N6 -[#F06292]-> N7
+N7 ..[#80DDEA]..> N8
+N8 -[#80DDEA]-> N9
+N9 -[#000000]-> N10
+N10 -[#F06292]-> N11
+N11 ..[#80DDEA]..> N12
+N12 ..[#F06292]..> N13
+N13 -[#FFDA4E]-> N14
+N14 ..[#000000]..> N15 : manages
+N15 -[#F06292]-> N16
+N16 ..[#80DDEA]..> N17
+N17 -[#FFDA4E]-> N18
+nest0_0 ..[#000000]..> nest0_1
+N10 ..[#000000]..> nest0_0
+nest0_1 -[#FFDA4E]-> N2
+nest1_0 -[#F06292]-> nest1_1
+N2 -[#FFDA4E]-> nest1_0
+nest1_1 -[#FFDA4E]-> N12
+N3 ..[#FFDA4E]..> S0
+S0 -[#FFDA4E]-> N9
+S0 -[#FFDA4E]-> N17
+S0 ..[#80DDEA]..> N15 : audits
+N12 -[#000000]-> S1
+S1 ..[#80DDEA]..> N15
+S1 ..[#F06292]..> N14 : develops
+S1 ..[#FFDA4E]..> N18
+S1 ..[#F06292]..> N17
+N5 ..[#000000]..> M1
+N9 -[#000000]-> M1
+N11 -[#80DDEA]-> M1
+N4 -[#80DDEA]-> M1
+M1 ..[#FFDA4E]..> N14
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_124.txt b/test/plantuml/graph_hard/plantuml_124.txt
new file mode 100644
index 0000000000000000000000000000000000000000..29d7f5cbc0b8cfc1bda14f08c3cd0befa28e44ff
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_124.txt
@@ -0,0 +1,39 @@
+<Anaerobic Digestion, audits, Glass Recycling>
+<Anaerobic Digestion, connectedTo, Biomedical Waste Handling>
+<Anaerobic Digestion, connectedTo, Circular Economy Initiatives>
+<Anaerobic Digestion, connectedTo, Textile Recycling>
+<Biomedical Waste Handling, connectedTo, Hazardous Waste Disposal>
+<Biomedical Waste Handling, connectedTo, Waste Management Policy Development>
+<Circular Economy Initiatives, connectedTo, Waste Characterization Study>
+<Composting, connectedTo, Circular Economy Initiatives>
+<Construction and Demolition Waste Management, connectedTo, Paper Recycling>
+<Extended Producer Responsibility, connectedTo, Circular Economy Initiatives>
+<Extended Producer Responsibility, connectedTo, Glass Recycling>
+<Extended Producer Responsibility, connectedTo, Metal Recycling>
+<Extended Producer Responsibility, connectedTo, Waste Characterization Study>
+<Extended Producer Responsibility, develops, Hazardous Waste Disposal>
+<Glass Recycling, connectedTo, Composting>
+<Hazardous Waste Disposal, manages, Glass Recycling>
+<Illegal Dumping Monitoring, connectedTo, Extended Producer Responsibility>
+<Illegal Dumping Monitoring, connectedTo, Hazardous Waste Disposal>
+<Landfill Operation, connectedTo, Hazardous Waste Disposal>
+<Landfill Operation, sorts, Organics Collection>
+<Material Recovery Facility Operation, connectedTo, Extended Producer Responsibility>
+<Material Recovery Facility Operation, partOf, Waste Reduction Planning>
+<Metal Recycling, connectedTo, Hazardous Waste Disposal>
+<Organics Collection, connectedTo, Plastic Recycling Technologies>
+<Paper Recycling, inspects, Smart Waste Bins>
+<Plastic Recycling Technologies, connectedTo, Waste Logistics Optimization>
+<Public Education on Waste, connectedTo, Smart Waste Bins>
+<Public Education on Waste, partOf, Closed_Loop Systems>
+<Smart Waste Bins, connectedTo, Anaerobic Digestion>
+<Smart Waste Bins, connectedTo, Waste Collection>
+<Textile Recycling, connectedTo, Hazardous Waste Disposal>
+<Textile Recycling, connectedTo, Landfill Operation>
+<Waste Collection, connectedTo, Material Recovery Facility Operation>
+<Waste Collection, partOf, Waste Reduction Planning>
+<Waste Compaction, connectedTo, Public Education on Waste>
+<Waste Compaction, partOf, Closed_Loop Systems>
+<Waste Logistics Optimization, connectedTo, Biomedical Waste Handling>
+<Waste Management Policy Development, connectedTo, Illegal Dumping Monitoring>
+<Waste Management Policy Development, connectedTo, Waste Compaction>
diff --git a/test/plantuml/graph_hard/plantuml_125.puml b/test/plantuml/graph_hard/plantuml_125.puml
new file mode 100644
index 0000000000000000000000000000000000000000..a3ae6f03a0a9afb2ab6a390b4532642907488382
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_125.puml
@@ -0,0 +1,59 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Waste Collection" as Group0 #EDE7F6 {
+    artifact "Container Management" as nest0_0 #CFD8DC
+    node "Waste Audit" as nest0_1 #F8FDD3
+    rectangle "Paper Recycling" as nest0_2 #FBE9E7
+}
+rectangle "Transfer Station Management" as Group1 #FFF3E0 {
+    database "Waste Incineration" as nest1_0 #FBE9E7
+    folder "Resource Recovery" as nest1_1 #CFD8DC
+    folder "Closed_Loop Systems" as nest1_2 #FBE9E7
+    database "Recycling Processing" as nest1_3 #FBE9E7
+}
+folder "Waste Sorting" as N0 #F8FDD3
+frame "Electronic Waste Recycling" as N1 #FBE9E7
+component "Zero Waste Initiatives" as N2 #F8FDD3
+usecase "Industrial Waste Management" as N3 #FBE9E7
+database "Glass Recycling" as N4 #F8FDD3
+usecase "Illegal Dumping Monitoring" as N5 #F8FDD3
+frame "Plastic Recycling Technologies" as N6 #F8FDD3
+component "Metal Recycling" as N7 #CFD8DC
+database "Waste Compaction" as N8 #F8FDD3
+usecase "Landfill Operation" as N9 #CFD8DC
+frame "Composting" as N10 #F8FDD3
+circle " " as S0 #F8FDD3
+circle " " as S1 #FBE9E7
+circle " " as M1 #FBE9E7
+N0 ..[#D3EB9F]..> N1
+N1 ..[#FF8A65]..> N2
+N2 ..[#607D8B]..> N3
+N3 ..[#D3EB9F]..> N4
+N4 ..[#D3EB9F]..> N5
+N5 -[#000000]-> N6
+N6 -[#FF8A65]-> N7
+N7 -[#D3EB9F]-> N8
+N8 -[#FF8A65]-> N9
+N9 ..[#607D8B]..> N10
+nest0_0 ..[#FF8A65]..> nest0_1 : designs
+nest0_1 -[#000000]-> nest0_2 : reclaims
+N6 ..[#000000]..> nest0_0
+nest0_2 ..[#D3EB9F]..> N5
+nest1_0 -[#FF8A65]-> nest1_1
+nest1_1 ..[#607D8B]..> nest1_2
+nest1_2 -[#607D8B]-> nest1_3 : minimizes
+N8 ..[#D3EB9F]..> nest1_0
+nest1_3 -[#D3EB9F]-> N6
+N4 -[#607D8B]-> S0
+S0 -[#000000]-> N10
+S0 ..[#000000]..> N9
+N3 ..[#D3EB9F]..> S1
+S1 ..[#607D8B]..> N5
+S1 ..[#607D8B]..> N9
+N8 ..[#D3EB9F]..> M1
+N4 ..[#607D8B]..> M1
+N5 ..[#FF8A65]..> M1
+M1 -[#607D8B]-> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_125.txt b/test/plantuml/graph_hard/plantuml_125.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d37443cfb9abb19604680d0c7d4870aed104168b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_125.txt
@@ -0,0 +1,32 @@
+<Closed_Loop Systems, minimizes, Recycling Processing>
+<Closed_Loop Systems, partOf, Transfer Station Management>
+<Container Management, designs, Waste Audit>
+<Container Management, partOf, Waste Collection>
+<Electronic Waste Recycling, connectedTo, Zero Waste Initiatives>
+<Glass Recycling, connectedTo, Composting>
+<Glass Recycling, connectedTo, Illegal Dumping Monitoring>
+<Glass Recycling, connectedTo, Landfill Operation>
+<Illegal Dumping Monitoring, connectedTo, Composting>
+<Illegal Dumping Monitoring, connectedTo, Plastic Recycling Technologies>
+<Industrial Waste Management, connectedTo, Glass Recycling>
+<Industrial Waste Management, connectedTo, Illegal Dumping Monitoring>
+<Industrial Waste Management, connectedTo, Landfill Operation>
+<Landfill Operation, connectedTo, Composting>
+<Metal Recycling, connectedTo, Waste Compaction>
+<Paper Recycling, connectedTo, Illegal Dumping Monitoring>
+<Paper Recycling, partOf, Waste Collection>
+<Plastic Recycling Technologies, connectedTo, Container Management>
+<Plastic Recycling Technologies, connectedTo, Metal Recycling>
+<Recycling Processing, connectedTo, Plastic Recycling Technologies>
+<Recycling Processing, partOf, Transfer Station Management>
+<Resource Recovery, connectedTo, Closed_Loop Systems>
+<Resource Recovery, partOf, Transfer Station Management>
+<Waste Audit, partOf, Waste Collection>
+<Waste Audit, reclaims, Paper Recycling>
+<Waste Compaction, connectedTo, Composting>
+<Waste Compaction, connectedTo, Landfill Operation>
+<Waste Compaction, connectedTo, Waste Incineration>
+<Waste Incineration, connectedTo, Resource Recovery>
+<Waste Incineration, partOf, Transfer Station Management>
+<Waste Sorting, connectedTo, Electronic Waste Recycling>
+<Zero Waste Initiatives, connectedTo, Industrial Waste Management>
diff --git a/test/plantuml/graph_hard/plantuml_126.puml b/test/plantuml/graph_hard/plantuml_126.puml
new file mode 100644
index 0000000000000000000000000000000000000000..f346b8a4a26099c172844c271e57666c70753d05
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_126.puml
@@ -0,0 +1,74 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Plastic Recycling Technologies" as Group0 #E8F5E9 {
+    component "Metal Recycling" as nest0_0 #E0F2F1
+    node "Waste Collection" as nest0_1 #FFF8E1
+    artifact "Landfill Operation" as nest0_2 #E0F2F1
+    node "Waste Compaction" as nest0_3 #FFF8E1
+}
+rectangle "Organics Collection" as Group1 #F3E5F5 {
+    usecase "Textile Recycling" as nest1_0 #E0F2F1
+    folder "Industrial Waste Management" as nest1_1 #E0F2F1
+    folder "Waste Logistics Optimization" as nest1_2 #FFF8E1
+}
+folder "Waste Management Policy Development" as N0 #FFF8E1
+cloud "Landfill Gas Collection" as N1 #FFF8E1
+database "Waste Characterization Study" as N2 #E0F2F1
+artifact "Anaerobic Digestion" as N3 #BBDEFB
+component "Paper Recycling" as N4 #E0F2F1
+cloud "Community Recycling Programs" as N5 #FFF8E1
+component "Illegal Dumping Monitoring" as N6 #BBDEFB
+folder "Leachate Treatment" as N7 #FFF8E1
+artifact "Recycling Processing" as N8 #BBDEFB
+artifact "Material Recovery Facility Operation" as N9 #FFF8E1
+component "Composting" as N10 #BBDEFB
+folder "Glass Recycling" as N11 #E0F2F1
+rectangle "Hazardous Waste Disposal" as N12 #BBDEFB
+frame "Public Education on Waste" as N13 #FFF8E1
+component "Waste Reduction Planning" as N14 #FFF8E1
+circle " " as S1 #BBDEFB
+circle " " as S2 #E0F2F1
+circle " " as M0 #E0F2F1
+circle " " as M1 #BBDEFB
+N0 -[#26A69A]-> N1
+N1 -[#000000]-> N2
+N2 ..[#26A69A]..> N3
+N3 -[#000000]-> N4
+N4 ..[#26A69A]..> N5
+N5 ..[#000000]..> N6
+N6 ..[#2196F3]..> N7
+N7 -[#2196F3]-> N8
+N8 -[#000000]-> N9
+N9 -[#2196F3]-> N10
+N10 -[#FFD54F]-> N11
+N11 -[#FFD54F]-> N12
+N12 ..[#FFD54F]..> N13
+N13 ..[#2196F3]..> N14
+nest0_0 -[#FFD54F]-> nest0_1
+nest0_1 ..[#26A69A]..> nest0_2
+nest0_2 ..[#26A69A]..> nest0_3
+N1 ..[#FFD54F]..> nest0_0 : manages
+nest0_3 -[#FFD54F]-> N13
+nest1_0 ..[#2196F3]..> nest1_1
+nest1_1 ..[#2196F3]..> nest1_2
+N6 -[#2196F3]-> nest1_0
+nest1_2 -[#26A69A]-> N3
+N10 ..[#000000]..> S1
+S1 -[#000000]-> N12
+S1 ..[#000000]..> N14
+S1 -[#2196F3]-> N13
+N9 ..[#26A69A]..> S2
+S2 -[#2196F3]-> N14
+S2 -[#FFD54F]-> N11
+N2 ..[#000000]..> M0
+N0 ..[#FFD54F]..> M0
+N4 ..[#FFD54F]..> M0
+N3 ..[#2196F3]..> M0 : converts
+M0 ..[#FFD54F]..> N6
+N8 -[#FFD54F]-> M1
+N5 ..[#000000]..> M1
+N3 ..[#2196F3]..> M1
+M1 -[#26A69A]-> N11
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_126.txt b/test/plantuml/graph_hard/plantuml_126.txt
new file mode 100644
index 0000000000000000000000000000000000000000..337d0a0b4736ac3285f4096dc0ef8241111ae6b0
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_126.txt
@@ -0,0 +1,42 @@
+<Anaerobic Digestion, connectedTo, Glass Recycling>
+<Anaerobic Digestion, connectedTo, Paper Recycling>
+<Anaerobic Digestion, converts, Illegal Dumping Monitoring>
+<Community Recycling Programs, connectedTo, Glass Recycling>
+<Community Recycling Programs, connectedTo, Illegal Dumping Monitoring>
+<Composting, connectedTo, Glass Recycling>
+<Composting, connectedTo, Hazardous Waste Disposal>
+<Composting, connectedTo, Public Education on Waste>
+<Composting, connectedTo, Waste Reduction Planning>
+<Glass Recycling, connectedTo, Hazardous Waste Disposal>
+<Hazardous Waste Disposal, connectedTo, Public Education on Waste>
+<Illegal Dumping Monitoring, connectedTo, Leachate Treatment>
+<Illegal Dumping Monitoring, connectedTo, Textile Recycling>
+<Industrial Waste Management, connectedTo, Waste Logistics Optimization>
+<Industrial Waste Management, partOf, Organics Collection>
+<Landfill Gas Collection, connectedTo, Waste Characterization Study>
+<Landfill Gas Collection, manages, Metal Recycling>
+<Landfill Operation, connectedTo, Waste Compaction>
+<Landfill Operation, partOf, Plastic Recycling Technologies>
+<Leachate Treatment, connectedTo, Recycling Processing>
+<Material Recovery Facility Operation, connectedTo, Composting>
+<Material Recovery Facility Operation, connectedTo, Glass Recycling>
+<Material Recovery Facility Operation, connectedTo, Waste Reduction Planning>
+<Metal Recycling, connectedTo, Waste Collection>
+<Metal Recycling, partOf, Plastic Recycling Technologies>
+<Paper Recycling, connectedTo, Community Recycling Programs>
+<Paper Recycling, connectedTo, Illegal Dumping Monitoring>
+<Public Education on Waste, connectedTo, Waste Reduction Planning>
+<Recycling Processing, connectedTo, Glass Recycling>
+<Recycling Processing, connectedTo, Material Recovery Facility Operation>
+<Textile Recycling, connectedTo, Industrial Waste Management>
+<Textile Recycling, partOf, Organics Collection>
+<Waste Characterization Study, connectedTo, Anaerobic Digestion>
+<Waste Characterization Study, connectedTo, Illegal Dumping Monitoring>
+<Waste Collection, connectedTo, Landfill Operation>
+<Waste Collection, partOf, Plastic Recycling Technologies>
+<Waste Compaction, connectedTo, Public Education on Waste>
+<Waste Compaction, partOf, Plastic Recycling Technologies>
+<Waste Logistics Optimization, connectedTo, Anaerobic Digestion>
+<Waste Logistics Optimization, partOf, Organics Collection>
+<Waste Management Policy Development, connectedTo, Illegal Dumping Monitoring>
+<Waste Management Policy Development, connectedTo, Landfill Gas Collection>
diff --git a/test/plantuml/graph_hard/plantuml_127.puml b/test/plantuml/graph_hard/plantuml_127.puml
new file mode 100644
index 0000000000000000000000000000000000000000..99f164b721fcddf6f8dfb6b9273abffb71745eb3
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_127.puml
@@ -0,0 +1,75 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Environmental Flow Assessment" as Group0 #E3F2FD {
+    node "Water Rights Management" as nest0_0 #FFFCE6
+    artifact "Wastewater Treatment" as nest0_1 #FFFCE6
+    rectangle "Climate Change Adaptation for Water" as nest0_2 #FFECB3
+    folder "Water Distribution" as nest0_3 #F5F5F5
+}
+rectangle "Water Source Identification" as Group1 #FBE9E7 {
+    component "Water Infrastructure Maintenance" as nest1_0 #FFFCE6
+    folder "Public Awareness Campaigns" as nest1_1 #FFECB3
+    artifact "Pollution Source Identification" as nest1_2 #FFECB3
+}
+rectangle "Drought Management" as N0 #F5F5F5
+usecase "Water Scarcity Mitigation" as N1 #FFFCE6
+component "Desalination" as N2 #F5F5F5
+node "Watershed Management" as N3 #FFECB3
+node "Hydroelectric Power Generation" as N4 #FFECB3
+frame "Flood Control" as N5 #FFFCE6
+node "Billing and Revenue Management" as N6 #FFECB3
+cloud "Aquifer Recharge" as N7 #FFFCE6
+node "Agricultural Water Use Efficiency" as N8 #FFECB3
+component "Reservoir Operation" as N9 #F5F5F5
+folder "Groundwater Management" as N10 #FFECB3
+cloud "Water Treatment" as N11 #FFECB3
+rectangle "Water Resource Planning" as N12 #F5F5F5
+node "Hydrological Modeling" as N13 #F5F5F5
+component "Sewer System Inspection" as N14 #F5F5F5
+circle " " as S0 #FFFCE6
+circle " " as S1 #FFECB3
+circle " " as M0 #FFFCE6
+circle " " as M1 #FFFCE6
+N0 -[#000000]-> N1
+N1 -[#FFF9AE]-> N2
+N2 ..[#000000]..> N3
+N3 -[#FFF9AE]-> N4
+N4 ..[#000000]..> N5
+N5 ..[#000000]..> N6
+N6 ..[#BDBDBD]..> N7
+N7 ..[#FFC107]..> N8
+N8 -[#BDBDBD]-> N9
+N9 -[#BDBDBD]-> N10
+N10 ..[#BDBDBD]..> N11 : optimizes
+N11 -[#000000]-> N12
+N12 -[#000000]-> N13
+N13 ..[#FFF9AE]..> N14
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 -[#FFC107]-> nest0_2
+nest0_2 -[#FFF9AE]-> nest0_3
+N2 ..[#FFF9AE]..> nest0_0
+nest0_3 ..[#BDBDBD]..> N7
+nest1_0 -[#BDBDBD]-> nest1_1
+nest1_1 ..[#FFF9AE]..> nest1_2 : maintains
+N13 -[#BDBDBD]-> nest1_0
+nest1_2 ..[#000000]..> N2
+N9 ..[#BDBDBD]..> S0
+S0 ..[#000000]..> N14
+S0 -[#BDBDBD]-> N11
+S0 -[#000000]-> N12 : regulates
+N9 ..[#000000]..> S1
+S1 -[#BDBDBD]-> N12
+S1 ..[#FFC107]..> N11
+S1 ..[#000000]..> N13
+S1 ..[#BDBDBD]..> N14
+N6 -[#BDBDBD]-> M0
+N7 -[#FFF9AE]-> M0
+N3 ..[#000000]..> M0
+N0 -[#000000]-> M0
+M0 ..[#FFF9AE]..> N9
+N1 ..[#000000]..> M1
+N0 ..[#FFC107]..> M1 : collects
+M1 ..[#BDBDBD]..> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_127.txt b/test/plantuml/graph_hard/plantuml_127.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b09942e2459621e87d46d515f04c47f58a049700
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_127.txt
@@ -0,0 +1,41 @@
+<Agricultural Water Use Efficiency, connectedTo, Reservoir Operation>
+<Aquifer Recharge, connectedTo, Agricultural Water Use Efficiency>
+<Aquifer Recharge, connectedTo, Reservoir Operation>
+<Billing and Revenue Management, connectedTo, Aquifer Recharge>
+<Billing and Revenue Management, connectedTo, Reservoir Operation>
+<Climate Change Adaptation for Water, connectedTo, Water Distribution>
+<Climate Change Adaptation for Water, partOf, Environmental Flow Assessment>
+<Desalination, connectedTo, Water Rights Management>
+<Desalination, connectedTo, Watershed Management>
+<Drought Management, collects, Watershed Management>
+<Drought Management, connectedTo, Reservoir Operation>
+<Drought Management, connectedTo, Water Scarcity Mitigation>
+<Flood Control, connectedTo, Billing and Revenue Management>
+<Groundwater Management, optimizes, Water Treatment>
+<Hydroelectric Power Generation, connectedTo, Flood Control>
+<Hydrological Modeling, connectedTo, Sewer System Inspection>
+<Hydrological Modeling, connectedTo, Water Infrastructure Maintenance>
+<Pollution Source Identification, connectedTo, Desalination>
+<Pollution Source Identification, partOf, Water Source Identification>
+<Public Awareness Campaigns, maintains, Pollution Source Identification>
+<Public Awareness Campaigns, partOf, Water Source Identification>
+<Reservoir Operation, connectedTo, Groundwater Management>
+<Reservoir Operation, connectedTo, Hydrological Modeling>
+<Reservoir Operation, connectedTo, Sewer System Inspection>
+<Reservoir Operation, connectedTo, Water Resource Planning>
+<Reservoir Operation, connectedTo, Water Treatment>
+<Reservoir Operation, regulates, Water Resource Planning>
+<Wastewater Treatment, connectedTo, Climate Change Adaptation for Water>
+<Wastewater Treatment, partOf, Environmental Flow Assessment>
+<Water Distribution, connectedTo, Aquifer Recharge>
+<Water Distribution, partOf, Environmental Flow Assessment>
+<Water Infrastructure Maintenance, connectedTo, Public Awareness Campaigns>
+<Water Infrastructure Maintenance, partOf, Water Source Identification>
+<Water Resource Planning, connectedTo, Hydrological Modeling>
+<Water Rights Management, connectedTo, Wastewater Treatment>
+<Water Rights Management, partOf, Environmental Flow Assessment>
+<Water Scarcity Mitigation, connectedTo, Desalination>
+<Water Scarcity Mitigation, connectedTo, Watershed Management>
+<Water Treatment, connectedTo, Water Resource Planning>
+<Watershed Management, connectedTo, Hydroelectric Power Generation>
+<Watershed Management, connectedTo, Reservoir Operation>
diff --git a/test/plantuml/graph_hard/plantuml_128.puml b/test/plantuml/graph_hard/plantuml_128.puml
new file mode 100644
index 0000000000000000000000000000000000000000..510a2f71846b1180b1446050e04645e9f60337e1
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_128.puml
@@ -0,0 +1,85 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Sewer System Inspection" as Group0 #E0F2F1 {
+    folder "Smart Water Networks" as nest0_0 #E0E6E9
+    node "Wastewater Collection" as nest0_1 #E1F5FE
+    folder "Desalination" as nest0_2 #F5F5F5
+}
+rectangle "Water Resource Planning" as Group1 #E8F5E9 {
+    usecase "Ecosystem Protection" as nest1_0 #E0E6E9
+    folder "Groundwater Management" as nest1_1 #E0E6E9
+}
+database "Reservoir Operation" as N0 #E0E6E9
+rectangle "Piping Network Repair" as N1 #E0E6E9
+frame "Watershed Management" as N2 #E0E6E9
+component "Billing and Revenue Management" as N3 #E0E6E9
+cloud "Water Loss Detection" as N4 #F5F5F5
+usecase "Hydroelectric Power Generation" as N5 #E0E6E9
+frame "Rainwater Harvesting" as N6 #E1F5FE
+usecase "Industrial Water Use Optimization" as N7 #E0E6E9
+folder "Water Quality Monitoring" as N8 #F5F5F5
+folder "Wastewater Treatment" as N9 #F5F5F5
+component "Transboundary Water Management" as N10 #F5F5F5
+artifact "Environmental Flow Assessment" as N11 #E0E6E9
+cloud "Water Source Identification" as N12 #E1F5FE
+frame "Greywater Recycling" as N13 #E1F5FE
+artifact "Climate Change Adaptation for Water" as N14 #E0E6E9
+node "Water Meter Reading" as N15 #F5F5F5
+rectangle "Public Awareness Campaigns" as N16 #F5F5F5
+folder "Water Distribution" as N17 #E0E6E9
+folder "Agricultural Water Use Efficiency" as N18 #F5F5F5
+database "Aquifer Recharge" as N19 #E1F5FE
+circle " " as S0 #E1F5FE
+circle " " as S1 #F5F5F5
+circle " " as M0 #E1F5FE
+circle " " as M1 #E0E6E9
+circle " " as M2 #E1F5FE
+N0 -[#4FC3F7]-> N1
+N1 -[#4FC3F7]-> N2
+N2 ..[#BDBDBD]..> N3
+N3 -[#BDBDBD]-> N4 : manages
+N4 ..[#AABEC6]..> N5
+N5 -[#AABEC6]-> N6
+N6 -[#BDBDBD]-> N7 : drains
+N7 -[#BDBDBD]-> N8
+N8 ..[#000000]..> N9
+N9 -[#BDBDBD]-> N10
+N10 ..[#4FC3F7]..> N11
+N11 -[#BDBDBD]-> N12
+N12 ..[#AABEC6]..> N13 : pumps
+N13 -[#AABEC6]-> N14
+N14 ..[#BDBDBD]..> N15
+N15 -[#000000]-> N16
+N16 ..[#AABEC6]..> N17
+N17 -[#AABEC6]-> N18
+N18 -[#BDBDBD]-> N19 : protects
+nest0_0 -[#000000]-> nest0_1
+nest0_1 ..[#AABEC6]..> nest0_2
+N9 -[#BDBDBD]-> nest0_0
+nest0_2 -[#AABEC6]-> N3
+nest1_0 ..[#AABEC6]..> nest1_1
+N9 ..[#000000]..> nest1_0
+nest1_1 -[#4FC3F7]-> N15
+N8 -[#BDBDBD]-> S0
+S0 ..[#000000]..> N10
+S0 ..[#000000]..> N16
+S0 -[#BDBDBD]-> N13
+N6 -[#AABEC6]-> S1
+S1 -[#000000]-> N15
+S1 ..[#BDBDBD]..> N19
+S1 ..[#BDBDBD]..> N18
+N5 -[#BDBDBD]-> M0
+N8 ..[#000000]..> M0
+N7 ..[#000000]..> M0
+M0 ..[#BDBDBD]..> N11
+N4 -[#4FC3F7]-> M1 : repairs
+N0 ..[#BDBDBD]..> M1
+N13 ..[#AABEC6]..> M1
+M1 -[#000000]-> N19
+N0 ..[#AABEC6]..> M2 : plans
+N1 -[#BDBDBD]-> M2
+N2 ..[#000000]..> M2 : permits
+M2 ..[#000000]..> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_128.txt b/test/plantuml/graph_hard/plantuml_128.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5100ac04a1961c016fdfdb2995e0e16e7857659d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_128.txt
@@ -0,0 +1,46 @@
+<Agricultural Water Use Efficiency, protects, Aquifer Recharge>
+<Billing and Revenue Management, manages, Water Loss Detection>
+<Climate Change Adaptation for Water, connectedTo, Water Meter Reading>
+<Desalination, connectedTo, Billing and Revenue Management>
+<Desalination, partOf, Sewer System Inspection>
+<Ecosystem Protection, connectedTo, Groundwater Management>
+<Ecosystem Protection, partOf, Water Resource Planning>
+<Environmental Flow Assessment, connectedTo, Water Source Identification>
+<Greywater Recycling, connectedTo, Aquifer Recharge>
+<Greywater Recycling, connectedTo, Climate Change Adaptation for Water>
+<Groundwater Management, connectedTo, Water Meter Reading>
+<Groundwater Management, partOf, Water Resource Planning>
+<Hydroelectric Power Generation, connectedTo, Environmental Flow Assessment>
+<Hydroelectric Power Generation, connectedTo, Rainwater Harvesting>
+<Industrial Water Use Optimization, connectedTo, Environmental Flow Assessment>
+<Industrial Water Use Optimization, connectedTo, Water Quality Monitoring>
+<Piping Network Repair, connectedTo, Water Loss Detection>
+<Piping Network Repair, connectedTo, Watershed Management>
+<Public Awareness Campaigns, connectedTo, Water Distribution>
+<Rainwater Harvesting, connectedTo, Agricultural Water Use Efficiency>
+<Rainwater Harvesting, connectedTo, Aquifer Recharge>
+<Rainwater Harvesting, connectedTo, Water Meter Reading>
+<Rainwater Harvesting, drains, Industrial Water Use Optimization>
+<Reservoir Operation, connectedTo, Aquifer Recharge>
+<Reservoir Operation, connectedTo, Piping Network Repair>
+<Reservoir Operation, plans, Water Loss Detection>
+<Smart Water Networks, connectedTo, Wastewater Collection>
+<Smart Water Networks, partOf, Sewer System Inspection>
+<Transboundary Water Management, connectedTo, Environmental Flow Assessment>
+<Wastewater Collection, connectedTo, Desalination>
+<Wastewater Collection, partOf, Sewer System Inspection>
+<Wastewater Treatment, connectedTo, Ecosystem Protection>
+<Wastewater Treatment, connectedTo, Smart Water Networks>
+<Wastewater Treatment, connectedTo, Transboundary Water Management>
+<Water Distribution, connectedTo, Agricultural Water Use Efficiency>
+<Water Loss Detection, connectedTo, Hydroelectric Power Generation>
+<Water Loss Detection, repairs, Aquifer Recharge>
+<Water Meter Reading, connectedTo, Public Awareness Campaigns>
+<Water Quality Monitoring, connectedTo, Environmental Flow Assessment>
+<Water Quality Monitoring, connectedTo, Greywater Recycling>
+<Water Quality Monitoring, connectedTo, Public Awareness Campaigns>
+<Water Quality Monitoring, connectedTo, Transboundary Water Management>
+<Water Quality Monitoring, connectedTo, Wastewater Treatment>
+<Water Source Identification, pumps, Greywater Recycling>
+<Watershed Management, connectedTo, Billing and Revenue Management>
+<Watershed Management, permits, Water Loss Detection>
diff --git a/test/plantuml/graph_hard/plantuml_129.puml b/test/plantuml/graph_hard/plantuml_129.puml
new file mode 100644
index 0000000000000000000000000000000000000000..bf0321287bee73d1fb11d6892756585745471a4f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_129.puml
@@ -0,0 +1,72 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Water Conservation Planning" as Group0 #E8F5E9 {
+    database "Piping Network Repair" as nest0_0 #FFE88D
+    database "Water Loss Detection" as nest0_1 #B3E5FC
+}
+rectangle "Billing and Revenue Management" as Group1 #FCE4EC {
+    folder "Desalination" as nest1_0 #B3E5FC
+    cloud "Drought Management" as nest1_1 #FFE88D
+    database "Wastewater Treatment" as nest1_2 #FFE88D
+}
+cloud "Water Rights Management" as N0 #FAEBF3
+cloud "Groundwater Management" as N1 #FAEBF3
+usecase "Water Scarcity Mitigation" as N2 #FFE88D
+node "Sewer System Inspection" as N3 #FFE88D
+folder "Wastewater Collection" as N4 #B3E5FC
+component "Watershed Management" as N5 #B3E5FC
+usecase "Pollution Source Identification" as N6 #FFE88D
+cloud "Water Quality Monitoring" as N7 #FAEBF3
+folder "Climate Change Adaptation for Water" as N8 #FAEBF3
+usecase "Agricultural Water Use Efficiency" as N9 #B3E5FC
+frame "Irrigation Management" as N10 #B3E5FC
+cloud "Environmental Flow Assessment" as N11 #B3E5FC
+node "Smart Water Networks" as N12 #FAEBF3
+artifact "Water Meter Reading" as N13 #FFE88D
+component "Greywater Recycling" as N14 #FFE88D
+rectangle "Rainwater Harvesting" as N15 #FAEBF3
+circle " " as S0 #FAEBF3
+circle " " as S1 #FAEBF3
+circle " " as M0 #FAEBF3
+circle " " as M2 #FAEBF3
+N0 ..[#000000]..> N1
+N1 -[#000000]-> N2
+N2 -[#03A9F4]-> N3
+N3 ..[#F7BEE0]..> N4
+N4 ..[#03A9F4]..> N5
+N5 -[#000000]-> N6
+N6 ..[#F7BEE0]..> N7
+N7 -[#FFDA4E]-> N8 : distributes
+N8 -[#000000]-> N9
+N9 -[#F7BEE0]-> N10 : irrigates
+N10 ..[#F7BEE0]..> N11
+N11 ..[#FFDA4E]..> N12 : consults
+N12 -[#03A9F4]-> N13
+N13 -[#03A9F4]-> N14
+N14 -[#03A9F4]-> N15
+nest0_0 -[#03A9F4]-> nest0_1
+N5 ..[#FFDA4E]..> nest0_0
+nest0_1 ..[#000000]..> N12
+nest1_0 -[#03A9F4]-> nest1_1
+nest1_1 ..[#F7BEE0]..> nest1_2
+N14 -[#FFDA4E]-> nest1_0
+nest1_2 -[#F7BEE0]-> N5
+N7 -[#F7BEE0]-> S0
+S0 -[#03A9F4]-> N11 : assesses
+S0 -[#F7BEE0]-> N14
+N5 ..[#F7BEE0]..> S1
+S1 -[#03A9F4]-> N15
+S1 ..[#F7BEE0]..> N13
+S1 -[#F7BEE0]-> N10 : secures
+N2 -[#FFDA4E]-> M0 : drains
+N0 -[#FFDA4E]-> M0
+N1 -[#F7BEE0]-> M0
+M0 ..[#03A9F4]..> N4
+N0 -[#FFDA4E]-> M2
+N4 ..[#03A9F4]..> M2
+N2 ..[#FFDA4E]..> M2
+N3 -[#F7BEE0]-> M2
+M2 -[#F7BEE0]-> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_129.txt b/test/plantuml/graph_hard/plantuml_129.txt
new file mode 100644
index 0000000000000000000000000000000000000000..733383614d03a0c8b70b42f44bf72ec5202f1983
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_129.txt
@@ -0,0 +1,39 @@
+<Agricultural Water Use Efficiency, irrigates, Irrigation Management>
+<Climate Change Adaptation for Water, connectedTo, Agricultural Water Use Efficiency>
+<Desalination, connectedTo, Drought Management>
+<Desalination, partOf, Billing and Revenue Management>
+<Drought Management, connectedTo, Wastewater Treatment>
+<Drought Management, partOf, Billing and Revenue Management>
+<Environmental Flow Assessment, consults, Smart Water Networks>
+<Greywater Recycling, connectedTo, Desalination>
+<Greywater Recycling, connectedTo, Rainwater Harvesting>
+<Groundwater Management, connectedTo, Wastewater Collection>
+<Groundwater Management, connectedTo, Water Scarcity Mitigation>
+<Irrigation Management, connectedTo, Environmental Flow Assessment>
+<Piping Network Repair, connectedTo, Water Loss Detection>
+<Piping Network Repair, partOf, Water Conservation Planning>
+<Pollution Source Identification, connectedTo, Water Quality Monitoring>
+<Sewer System Inspection, connectedTo, Agricultural Water Use Efficiency>
+<Sewer System Inspection, connectedTo, Wastewater Collection>
+<Smart Water Networks, connectedTo, Water Meter Reading>
+<Wastewater Collection, connectedTo, Agricultural Water Use Efficiency>
+<Wastewater Collection, connectedTo, Watershed Management>
+<Wastewater Treatment, connectedTo, Watershed Management>
+<Wastewater Treatment, partOf, Billing and Revenue Management>
+<Water Loss Detection, connectedTo, Smart Water Networks>
+<Water Loss Detection, partOf, Water Conservation Planning>
+<Water Meter Reading, connectedTo, Greywater Recycling>
+<Water Quality Monitoring, assesses, Environmental Flow Assessment>
+<Water Quality Monitoring, connectedTo, Greywater Recycling>
+<Water Quality Monitoring, distributes, Climate Change Adaptation for Water>
+<Water Rights Management, connectedTo, Agricultural Water Use Efficiency>
+<Water Rights Management, connectedTo, Groundwater Management>
+<Water Rights Management, connectedTo, Wastewater Collection>
+<Water Scarcity Mitigation, connectedTo, Agricultural Water Use Efficiency>
+<Water Scarcity Mitigation, connectedTo, Sewer System Inspection>
+<Water Scarcity Mitigation, drains, Wastewater Collection>
+<Watershed Management, connectedTo, Piping Network Repair>
+<Watershed Management, connectedTo, Pollution Source Identification>
+<Watershed Management, connectedTo, Rainwater Harvesting>
+<Watershed Management, connectedTo, Water Meter Reading>
+<Watershed Management, secures, Irrigation Management>
diff --git a/test/plantuml/graph_hard/plantuml_13.puml b/test/plantuml/graph_hard/plantuml_13.puml
new file mode 100644
index 0000000000000000000000000000000000000000..bd4f89bc43d03a899e069601bd4c4dfcc7649e05
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_13.puml
@@ -0,0 +1,77 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Product Recommendation" as Group0 #EDE7F6 {
+    component "Affiliate Marketing" as nest0_0 #D0EFEE
+    cloud "Mobile App Interaction" as nest0_1 #CADEDE
+    folder "Order Confirmation" as nest0_2 #D0EFEE
+    node "Product Listing" as nest0_3 #F5F5F5
+}
+rectangle "Return Merchandise Authorization" as Group1 #FFF3E0 {
+    component "Checkout" as nest1_0 #CADEDE
+    cloud "Live Chat Support" as nest1_1 #F5F5F5
+    frame "Delivery Tracking" as nest1_2 #F5F5F5
+}
+database "Search Engine Optimization" as N0 #CADEDE
+cloud "Customer Inquiry" as N1 #CADEDE
+usecase "Promotion Application" as N2 #CADEDE
+cloud "Warehouse Management" as N3 #CADEDE
+database "Customer Review" as N4 #D0EFEE
+folder "Payment Gateway Reconciliation" as N5 #CADEDE
+folder "Refund Process" as N6 #CADEDE
+cloud "Wishlist Management" as N7 #F5F5F5
+frame "Add to Cart" as N8 #F5F5F5
+folder "Up_selling Offer" as N9 #D0EFEE
+folder "Loyalty Points" as N10 #F5F5F5
+frame "Customer Segmentation" as N11 #CADEDE
+database "Invoice Generation" as N12 #CADEDE
+folder "Social Media Integration" as N13 #CADEDE
+usecase "Cart Abandonment" as N14 #CADEDE
+frame "Payment" as N15 #D0EFEE
+rectangle "Gift Card Purchase" as N16 #F5F5F5
+folder "Subscription Service" as N17 #D0EFEE
+folder "Inventory Update" as N18 #D0EFEE
+circle " " as S0 #D0EFEE
+circle " " as S1 #F5F5F5
+circle " " as M0 #F5F5F5
+N0 ..[#94C0C0]..> N1
+N1 ..[#000000]..> N2
+N2 ..[#73C6BC]..> N3
+N3 ..[#94C0C0]..> N4
+N4 ..[#000000]..> N5
+N5 -[#BDBDBD]-> N6
+N6 -[#BDBDBD]-> N7
+N7 -[#94C0C0]-> N8
+N8 ..[#94C0C0]..> N9
+N9 -[#73C6BC]-> N10
+N10 ..[#73C6BC]..> N11
+N11 ..[#000000]..> N12 : processes
+N12 -[#BDBDBD]-> N13
+N13 ..[#94C0C0]..> N14 : confirms
+N14 -[#94C0C0]-> N15
+N15 -[#BDBDBD]-> N16
+N16 ..[#73C6BC]..> N17
+N17 ..[#000000]..> N18
+nest0_0 ..[#73C6BC]..> nest0_1
+nest0_1 -[#000000]-> nest0_2
+nest0_2 -[#73C6BC]-> nest0_3
+N12 ..[#73C6BC]..> nest0_0
+nest0_3 -[#73C6BC]-> N18
+nest1_0 -[#73C6BC]-> nest1_1
+nest1_1 ..[#94C0C0]..> nest1_2 : routes
+N16 ..[#000000]..> nest1_0
+nest1_2 -[#000000]-> N8
+N0 -[#000000]-> S0
+S0 ..[#73C6BC]..> N18
+S0 -[#73C6BC]-> N15
+S0 ..[#BDBDBD]..> N13
+S0 ..[#73C6BC]..> N2
+N14 ..[#BDBDBD]..> S1
+S1 -[#000000]-> N16
+S1 -[#73C6BC]-> N18
+S1 ..[#BDBDBD]..> N17
+N2 -[#BDBDBD]-> M0
+N3 ..[#73C6BC]..> M0
+M0 ..[#BDBDBD]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_13.txt b/test/plantuml/graph_hard/plantuml_13.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b16d876185fe21a5525888df5538040768e640fe
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_13.txt
@@ -0,0 +1,43 @@
+<Add to Cart, connectedTo, Up_selling Offer>
+<Affiliate Marketing, connectedTo, Mobile App Interaction>
+<Affiliate Marketing, partOf, Product Recommendation>
+<Cart Abandonment, connectedTo, Gift Card Purchase>
+<Cart Abandonment, connectedTo, Inventory Update>
+<Cart Abandonment, connectedTo, Payment>
+<Cart Abandonment, connectedTo, Subscription Service>
+<Checkout, connectedTo, Live Chat Support>
+<Checkout, partOf, Return Merchandise Authorization>
+<Customer Inquiry, connectedTo, Promotion Application>
+<Customer Review, connectedTo, Payment Gateway Reconciliation>
+<Customer Segmentation, processes, Invoice Generation>
+<Delivery Tracking, connectedTo, Add to Cart>
+<Delivery Tracking, partOf, Return Merchandise Authorization>
+<Gift Card Purchase, connectedTo, Checkout>
+<Gift Card Purchase, connectedTo, Subscription Service>
+<Invoice Generation, connectedTo, Affiliate Marketing>
+<Invoice Generation, connectedTo, Social Media Integration>
+<Live Chat Support, partOf, Return Merchandise Authorization>
+<Live Chat Support, routes, Delivery Tracking>
+<Loyalty Points, connectedTo, Customer Segmentation>
+<Mobile App Interaction, connectedTo, Order Confirmation>
+<Mobile App Interaction, partOf, Product Recommendation>
+<Order Confirmation, connectedTo, Product Listing>
+<Order Confirmation, partOf, Product Recommendation>
+<Payment, connectedTo, Gift Card Purchase>
+<Payment Gateway Reconciliation, connectedTo, Refund Process>
+<Product Listing, connectedTo, Inventory Update>
+<Product Listing, partOf, Product Recommendation>
+<Promotion Application, connectedTo, Add to Cart>
+<Promotion Application, connectedTo, Warehouse Management>
+<Refund Process, connectedTo, Wishlist Management>
+<Search Engine Optimization, connectedTo, Customer Inquiry>
+<Search Engine Optimization, connectedTo, Inventory Update>
+<Search Engine Optimization, connectedTo, Payment>
+<Search Engine Optimization, connectedTo, Promotion Application>
+<Search Engine Optimization, connectedTo, Social Media Integration>
+<Social Media Integration, confirms, Cart Abandonment>
+<Subscription Service, connectedTo, Inventory Update>
+<Up_selling Offer, connectedTo, Loyalty Points>
+<Warehouse Management, connectedTo, Add to Cart>
+<Warehouse Management, connectedTo, Customer Review>
+<Wishlist Management, connectedTo, Add to Cart>
diff --git a/test/plantuml/graph_hard/plantuml_130.puml b/test/plantuml/graph_hard/plantuml_130.puml
new file mode 100644
index 0000000000000000000000000000000000000000..d3f2308e2b9a99f19ae7e2e1381b4910e7807af6
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_130.puml
@@ -0,0 +1,75 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Closed_Loop Material Flow" as Group0 #FFF3E0 {
+    artifact "New Product Manufacturing" as nest0_0 #E1F5FE
+    cloud "End_of_Life Product Management" as nest0_1 #E1F5FE
+    component "Hazardous Material Recovery" as nest0_2 #ECEFF1
+}
+rectangle "Circular Economy Implementation" as Group1 #E8F5E9 {
+    frame "Electronic Waste Recycling" as nest1_0 #E1F5FE
+    artifact "Paper Recycling" as nest1_1 #F0F0F0
+}
+database "Public Recycling Programs" as N0 #ECEFF1
+node "Contamination Reduction" as N1 #E1F5FE
+component "Waste Audit for Recycling" as N2 #F0F0F0
+database "Collection Point Management" as N3 #ECEFF1
+component "Mechanical Recycling" as N4 #F0F0F0
+rectangle "Material Purity Testing" as N5 #E1F5FE
+folder "Industrial Recycling Programs" as N6 #E1F5FE
+rectangle "Material Collection" as N7 #E1F5FE
+artifact "Textile Recycling" as N8 #ECEFF1
+artifact "Sorting and Segregation" as N9 #F0F0F0
+database "Metal Recycling" as N10 #F0F0F0
+usecase "Product Design for Recyclability" as N11 #E1F5FE
+rectangle "Recycling Market Development" as N12 #F0F0F0
+folder "Waste Stream Analysis" as N13 #E1F5FE
+cloud "Advanced Sorting Technologies" as N14 #F0F0F0
+component "Life Cycle Assessment" as N15 #E1F5FE
+component "Cleaning and Processing" as N16 #E1F5FE
+node "Glass Recycling" as N17 #ECEFF1
+node "Commercial Recycling Solutions" as N18 #ECEFF1
+circle " " as S0 #ECEFF1
+circle " " as S1 #F0F0F0
+circle " " as M0 #E1F5FE
+circle " " as M1 #E1F5FE
+N0 -[#4FC3F7]-> N1
+N1 -[#D2D2D2]-> N2 : forms
+N2 -[#4FC3F7]-> N3
+N3 -[#4FC3F7]-> N4
+N4 ..[#90A4AE]..> N5
+N5 -[#4FC3F7]-> N6
+N6 -[#4FC3F7]-> N7
+N7 ..[#000000]..> N8
+N8 -[#4FC3F7]-> N9
+N9 -[#000000]-> N10
+N10 ..[#000000]..> N11
+N11 ..[#D2D2D2]..> N12 : reuses
+N12 ..[#4FC3F7]..> N13
+N13 -[#90A4AE]-> N14
+N14 ..[#000000]..> N15
+N15 ..[#90A4AE]..> N16
+N16 ..[#4FC3F7]..> N17 : audits
+N17 ..[#90A4AE]..> N18
+nest0_0 ..[#90A4AE]..> nest0_1
+nest0_1 ..[#000000]..> nest0_2
+N14 ..[#90A4AE]..> nest0_0 : tracks
+nest0_2 -[#000000]-> N4
+nest1_0 ..[#4FC3F7]..> nest1_1
+N10 -[#90A4AE]-> nest1_0
+nest1_1 ..[#D2D2D2]..> N11
+N7 -[#4FC3F7]-> S0
+S0 -[#000000]-> N10
+S0 -[#4FC3F7]-> N14
+S0 -[#4FC3F7]-> N9
+N1 -[#4FC3F7]-> S1
+S1 ..[#000000]..> N13
+S1 -[#4FC3F7]-> N8 : bundles
+N4 ..[#D2D2D2]..> M0
+N12 -[#D2D2D2]-> M0
+M0 -[#000000]-> N15
+N15 -[#4FC3F7]-> M1 : tests
+N9 -[#90A4AE]-> M1
+M1 ..[#4FC3F7]..> N17
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_130.txt b/test/plantuml/graph_hard/plantuml_130.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a5b739c09b5b8809d0f9b50c9108b544eb1250e4
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_130.txt
@@ -0,0 +1,39 @@
+<Advanced Sorting Technologies, connectedTo, Life Cycle Assessment>
+<Advanced Sorting Technologies, tracks, New Product Manufacturing>
+<Cleaning and Processing, audits, Glass Recycling>
+<Collection Point Management, connectedTo, Mechanical Recycling>
+<Contamination Reduction, bundles, Textile Recycling>
+<Contamination Reduction, connectedTo, Waste Stream Analysis>
+<Contamination Reduction, forms, Waste Audit for Recycling>
+<Electronic Waste Recycling, connectedTo, Paper Recycling>
+<Electronic Waste Recycling, partOf, Circular Economy Implementation>
+<End_of_Life Product Management, connectedTo, Hazardous Material Recovery>
+<End_of_Life Product Management, partOf, Closed_Loop Material Flow>
+<Glass Recycling, connectedTo, Commercial Recycling Solutions>
+<Hazardous Material Recovery, connectedTo, Mechanical Recycling>
+<Hazardous Material Recovery, partOf, Closed_Loop Material Flow>
+<Industrial Recycling Programs, connectedTo, Material Collection>
+<Life Cycle Assessment, connectedTo, Cleaning and Processing>
+<Life Cycle Assessment, tests, Glass Recycling>
+<Material Collection, connectedTo, Advanced Sorting Technologies>
+<Material Collection, connectedTo, Metal Recycling>
+<Material Collection, connectedTo, Sorting and Segregation>
+<Material Collection, connectedTo, Textile Recycling>
+<Material Purity Testing, connectedTo, Industrial Recycling Programs>
+<Mechanical Recycling, connectedTo, Life Cycle Assessment>
+<Mechanical Recycling, connectedTo, Material Purity Testing>
+<Metal Recycling, connectedTo, Electronic Waste Recycling>
+<Metal Recycling, connectedTo, Product Design for Recyclability>
+<New Product Manufacturing, connectedTo, End_of_Life Product Management>
+<New Product Manufacturing, partOf, Closed_Loop Material Flow>
+<Paper Recycling, connectedTo, Product Design for Recyclability>
+<Paper Recycling, partOf, Circular Economy Implementation>
+<Product Design for Recyclability, reuses, Recycling Market Development>
+<Public Recycling Programs, connectedTo, Contamination Reduction>
+<Recycling Market Development, connectedTo, Life Cycle Assessment>
+<Recycling Market Development, connectedTo, Waste Stream Analysis>
+<Sorting and Segregation, connectedTo, Glass Recycling>
+<Sorting and Segregation, connectedTo, Metal Recycling>
+<Textile Recycling, connectedTo, Sorting and Segregation>
+<Waste Audit for Recycling, connectedTo, Collection Point Management>
+<Waste Stream Analysis, connectedTo, Advanced Sorting Technologies>
diff --git a/test/plantuml/graph_hard/plantuml_131.puml b/test/plantuml/graph_hard/plantuml_131.puml
new file mode 100644
index 0000000000000000000000000000000000000000..a02ea3847d660aa58104ccb53de9b73e137f4331
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_131.puml
@@ -0,0 +1,83 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Glass Recycling" as Group0 #FFF3E0 {
+    cloud "Construction Waste Recycling" as nest0_0 #DFE7EB
+    frame "Battery Recycling" as nest0_1 #DFE7EB
+    artifact "Recycling Facility Optimization" as nest0_2 #DED7F0
+    component "Industrial Recycling Programs" as nest0_3 #E8F0FF
+}
+rectangle "Contamination Reduction" as Group1 #FFF3E0 {
+    folder "Recycling Infrastructure Development" as nest1_0 #E8F0FF
+    cloud "Energy Recovery from Non_Recyclables" as nest1_1 #DED7F0
+    usecase "Reprocessing into Raw Material" as nest1_2 #E8F0FF
+}
+database "Material Purity Testing" as N0 #E8F0FF
+component "Paper Recycling" as N1 #E8F0FF
+frame "Waste Audit for Recycling" as N2 #DED7F0
+node "Public Recycling Programs" as N3 #DFE7EB
+usecase "Tyre Recycling" as N4 #DED7F0
+cloud "Chemical Recycling" as N5 #E8F0FF
+component "Cleaning and Processing" as N6 #E8F0FF
+component "Recycling Education" as N7 #DED7F0
+frame "Metal Recycling" as N8 #DFE7EB
+artifact "Electronic Waste Recycling" as N9 #DFE7EB
+cloud "Material Collection" as N10 #DED7F0
+component "Deposit_Return Schemes" as N11 #DED7F0
+node "Composting Organic Waste" as N12 #DFE7EB
+cloud "Advanced Sorting Technologies" as N13 #E8F0FF
+component "Textile Recycling" as N14 #DFE7EB
+artifact "Product Design for Recyclability" as N15 #E8F0FF
+circle " " as S0 #E8F0FF
+circle " " as S1 #E8F0FF
+circle " " as S2 #DFE7EB
+circle " " as M0 #DFE7EB
+circle " " as M1 #E8F0FF
+N0 ..[#A2D0FF]..> N1
+N1 ..[#000000]..> N2
+N2 -[#A188DB]-> N3
+N3 -[#000000]-> N4
+N4 -[#A188DB]-> N5
+N5 ..[#A188DB]..> N6
+N6 ..[#000000]..> N7
+N7 -[#B0C5CD]-> N8
+N8 ..[#A2D0FF]..> N9
+N9 ..[#000000]..> N10
+N10 -[#B0C5CD]-> N11
+N11 -[#A2D0FF]-> N12
+N12 -[#B0C5CD]-> N13
+N13 -[#A2D0FF]-> N14
+N14 ..[#A188DB]..> N15
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 ..[#000000]..> nest0_2
+nest0_2 -[#B0C5CD]-> nest0_3
+N7 ..[#A188DB]..> nest0_0
+nest0_3 ..[#A2D0FF]..> N15
+nest1_0 -[#A188DB]-> nest1_1
+nest1_1 ..[#A2D0FF]..> nest1_2
+N13 -[#B0C5CD]-> nest1_0
+nest1_2 ..[#B0C5CD]..> N12
+N6 -[#A2D0FF]-> S0
+S0 -[#000000]-> N11
+S0 ..[#A188DB]..> N8
+S0 ..[#B0C5CD]..> N14
+S0 -[#A188DB]-> N13
+N6 ..[#B0C5CD]..> S1
+S1 -[#A188DB]-> N13 : tracks
+S1 -[#A188DB]-> N14
+S1 -[#000000]-> N10
+S1 -[#A188DB]-> N8
+N11 -[#B0C5CD]-> S2
+S2 -[#B0C5CD]-> N15
+S2 -[#B0C5CD]-> N14
+N0 -[#A188DB]-> M0
+N2 -[#A188DB]-> M0
+N1 -[#B0C5CD]-> M0
+M0 ..[#000000]..> N4
+N4 -[#A188DB]-> M1
+N7 -[#B0C5CD]-> M1
+N0 -[#000000]-> M1 : recovers
+N3 ..[#B0C5CD]..> M1
+M1 -[#A2D0FF]-> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_131.txt b/test/plantuml/graph_hard/plantuml_131.txt
new file mode 100644
index 0000000000000000000000000000000000000000..052725e278b08fdb09496d40a4158eaf3f792316
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_131.txt
@@ -0,0 +1,46 @@
+<Advanced Sorting Technologies, connectedTo, Recycling Infrastructure Development>
+<Advanced Sorting Technologies, connectedTo, Textile Recycling>
+<Battery Recycling, connectedTo, Recycling Facility Optimization>
+<Battery Recycling, partOf, Glass Recycling>
+<Chemical Recycling, connectedTo, Cleaning and Processing>
+<Cleaning and Processing, connectedTo, Advanced Sorting Technologies>
+<Cleaning and Processing, connectedTo, Deposit_Return Schemes>
+<Cleaning and Processing, connectedTo, Material Collection>
+<Cleaning and Processing, connectedTo, Metal Recycling>
+<Cleaning and Processing, connectedTo, Recycling Education>
+<Cleaning and Processing, connectedTo, Textile Recycling>
+<Cleaning and Processing, tracks, Advanced Sorting Technologies>
+<Composting Organic Waste, connectedTo, Advanced Sorting Technologies>
+<Construction Waste Recycling, connectedTo, Battery Recycling>
+<Construction Waste Recycling, partOf, Glass Recycling>
+<Deposit_Return Schemes, connectedTo, Composting Organic Waste>
+<Deposit_Return Schemes, connectedTo, Product Design for Recyclability>
+<Deposit_Return Schemes, connectedTo, Textile Recycling>
+<Electronic Waste Recycling, connectedTo, Material Collection>
+<Energy Recovery from Non_Recyclables, connectedTo, Reprocessing into Raw Material>
+<Energy Recovery from Non_Recyclables, partOf, Contamination Reduction>
+<Industrial Recycling Programs, connectedTo, Product Design for Recyclability>
+<Industrial Recycling Programs, partOf, Glass Recycling>
+<Material Collection, connectedTo, Deposit_Return Schemes>
+<Material Purity Testing, connectedTo, Paper Recycling>
+<Material Purity Testing, connectedTo, Tyre Recycling>
+<Material Purity Testing, recovers, Electronic Waste Recycling>
+<Metal Recycling, connectedTo, Electronic Waste Recycling>
+<Paper Recycling, connectedTo, Tyre Recycling>
+<Paper Recycling, connectedTo, Waste Audit for Recycling>
+<Public Recycling Programs, connectedTo, Electronic Waste Recycling>
+<Public Recycling Programs, connectedTo, Tyre Recycling>
+<Recycling Education, connectedTo, Construction Waste Recycling>
+<Recycling Education, connectedTo, Electronic Waste Recycling>
+<Recycling Education, connectedTo, Metal Recycling>
+<Recycling Facility Optimization, connectedTo, Industrial Recycling Programs>
+<Recycling Facility Optimization, partOf, Glass Recycling>
+<Recycling Infrastructure Development, connectedTo, Energy Recovery from Non_Recyclables>
+<Recycling Infrastructure Development, partOf, Contamination Reduction>
+<Reprocessing into Raw Material, connectedTo, Composting Organic Waste>
+<Reprocessing into Raw Material, partOf, Contamination Reduction>
+<Textile Recycling, connectedTo, Product Design for Recyclability>
+<Tyre Recycling, connectedTo, Chemical Recycling>
+<Tyre Recycling, connectedTo, Electronic Waste Recycling>
+<Waste Audit for Recycling, connectedTo, Public Recycling Programs>
+<Waste Audit for Recycling, connectedTo, Tyre Recycling>
diff --git a/test/plantuml/graph_hard/plantuml_132.puml b/test/plantuml/graph_hard/plantuml_132.puml
new file mode 100644
index 0000000000000000000000000000000000000000..d36201724cb1c008eefe34cd8c0681b5b04a7830
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_132.puml
@@ -0,0 +1,86 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Recycling Data Tracking" as Group0 #E3F2FD {
+    node "Chemical Recycling" as nest0_0 #FFFDE0
+    folder "Collection Point Management" as nest0_1 #E8F5E9
+    frame "Mechanical Recycling" as nest0_2 #FFFDE0
+    component "Closed_Loop Material Flow" as nest0_3 #FFFDE0
+}
+rectangle "Recycling Market Development" as Group1 #E8F5E9 {
+    rectangle "Recycling Infrastructure Development" as nest1_0 #EFE6FF
+    artifact "Battery Recycling" as nest1_1 #EFE6FF
+    usecase "Composting Organic Waste" as nest1_2 #E8F5E9
+    node "Public Recycling Programs" as nest1_3 #EFE6FF
+}
+rectangle "Circular Economy Implementation" as N0 #EFE6FF
+frame "Recycling Policy Advocacy" as N1 #EFE6FF
+node "Waste Stream Analysis" as N2 #EFE6FF
+rectangle "Paper Recycling" as N3 #FFFDE0
+node "Contamination Reduction" as N4 #E8F5E9
+folder "Textile Recycling" as N5 #E8F5E9
+folder "Plastic Recycling" as N6 #EFE6FF
+node "Life Cycle Assessment" as N7 #E8F5E9
+cloud "Electronic Waste Recycling" as N8 #EFE6FF
+node "Recycling Education" as N9 #FFFDE0
+frame "New Product Manufacturing" as N10 #FFFDE0
+folder "Recycling Facility Optimization" as N11 #E8F5E9
+folder "Material Collection" as N12 #FFFDE0
+circle " " as S0 #FFFDE0
+circle " " as S1 #E8F5E9
+circle " " as S2 #FFFDE0
+circle " " as M0 #FFFDE0
+circle " " as M1 #EFE6FF
+circle " " as M2 #E8F5E9
+N0 -[#C2B2F0]-> N1
+N1 ..[#FFF8A6]..> N2
+N2 ..[#66BB6A]..> N3
+N3 ..[#000000]..> N4
+N4 ..[#000000]..> N5
+N5 ..[#C2B2F0]..> N6
+N6 -[#FFF8A6]-> N7
+N7 ..[#FFF8A6]..> N8
+N8 ..[#66BB6A]..> N9
+N9 -[#000000]-> N10
+N10 -[#FFF8A6]-> N11
+N11 -[#66BB6A]-> N12
+nest0_0 ..[#C2B2F0]..> nest0_1
+nest0_1 ..[#66BB6A]..> nest0_2
+nest0_2 -[#FFF8A6]-> nest0_3 : treats
+N8 -[#000000]-> nest0_0
+nest0_3 ..[#FFF8A6]..> N5
+nest1_0 -[#66BB6A]-> nest1_1
+nest1_1 -[#FFF8A6]-> nest1_2
+nest1_2 ..[#66BB6A]..> nest1_3
+N10 -[#C2B2F0]-> nest1_0 : tests
+nest1_3 -[#FFF8A6]-> N3
+N9 ..[#FFF8A6]..> S0
+S0 -[#000000]-> N12 : compacts
+S0 ..[#66BB6A]..> N11
+N5 -[#FFF8A6]-> S1
+S1 -[#C2B2F0]-> N8
+S1 ..[#C2B2F0]..> N12
+S1 ..[#FFF8A6]..> N10
+S1 -[#C2B2F0]-> N7 : audits
+N3 -[#C2B2F0]-> S2
+S2 -[#C2B2F0]-> N5
+S2 ..[#C2B2F0]..> N8 : processes
+S2 ..[#000000]..> N9
+S2 ..[#000000]..> N12
+N0 ..[#000000]..> M0
+N7 -[#000000]-> M0
+N6 ..[#000000]..> M0
+N2 ..[#FFF8A6]..> M0
+M0 -[#FFF8A6]-> N9
+N5 ..[#66BB6A]..> M1
+N0 ..[#C2B2F0]..> M1
+N3 -[#000000]-> M1
+N1 -[#C2B2F0]-> M1
+M1 -[#66BB6A]-> N10
+N0 ..[#000000]..> M2
+N4 -[#000000]-> M2
+N3 -[#C2B2F0]-> M2
+N5 ..[#FFF8A6]..> M2
+M2 ..[#C2B2F0]..> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_132.txt b/test/plantuml/graph_hard/plantuml_132.txt
new file mode 100644
index 0000000000000000000000000000000000000000..af98ae9163dee82b96054a2ca225e936e59f23b8
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_132.txt
@@ -0,0 +1,51 @@
+<Battery Recycling, connectedTo, Composting Organic Waste>
+<Battery Recycling, partOf, Recycling Market Development>
+<Chemical Recycling, connectedTo, Collection Point Management>
+<Chemical Recycling, partOf, Recycling Data Tracking>
+<Circular Economy Implementation, connectedTo, Life Cycle Assessment>
+<Circular Economy Implementation, connectedTo, New Product Manufacturing>
+<Circular Economy Implementation, connectedTo, Recycling Education>
+<Circular Economy Implementation, connectedTo, Recycling Policy Advocacy>
+<Closed_Loop Material Flow, connectedTo, Textile Recycling>
+<Closed_Loop Material Flow, partOf, Recycling Data Tracking>
+<Collection Point Management, connectedTo, Mechanical Recycling>
+<Collection Point Management, partOf, Recycling Data Tracking>
+<Composting Organic Waste, connectedTo, Public Recycling Programs>
+<Composting Organic Waste, partOf, Recycling Market Development>
+<Contamination Reduction, connectedTo, Life Cycle Assessment>
+<Contamination Reduction, connectedTo, Textile Recycling>
+<Electronic Waste Recycling, connectedTo, Chemical Recycling>
+<Electronic Waste Recycling, connectedTo, Recycling Education>
+<Life Cycle Assessment, connectedTo, Electronic Waste Recycling>
+<Life Cycle Assessment, connectedTo, Recycling Education>
+<Mechanical Recycling, partOf, Recycling Data Tracking>
+<Mechanical Recycling, treats, Closed_Loop Material Flow>
+<New Product Manufacturing, connectedTo, Recycling Facility Optimization>
+<New Product Manufacturing, tests, Recycling Infrastructure Development>
+<Paper Recycling, connectedTo, Contamination Reduction>
+<Paper Recycling, connectedTo, Life Cycle Assessment>
+<Paper Recycling, connectedTo, Material Collection>
+<Paper Recycling, connectedTo, New Product Manufacturing>
+<Paper Recycling, connectedTo, Recycling Education>
+<Paper Recycling, connectedTo, Textile Recycling>
+<Paper Recycling, processes, Electronic Waste Recycling>
+<Plastic Recycling, connectedTo, Life Cycle Assessment>
+<Plastic Recycling, connectedTo, Recycling Education>
+<Public Recycling Programs, connectedTo, Paper Recycling>
+<Public Recycling Programs, partOf, Recycling Market Development>
+<Recycling Education, compacts, Material Collection>
+<Recycling Education, connectedTo, New Product Manufacturing>
+<Recycling Education, connectedTo, Recycling Facility Optimization>
+<Recycling Facility Optimization, connectedTo, Material Collection>
+<Recycling Infrastructure Development, connectedTo, Battery Recycling>
+<Recycling Infrastructure Development, partOf, Recycling Market Development>
+<Recycling Policy Advocacy, connectedTo, New Product Manufacturing>
+<Recycling Policy Advocacy, connectedTo, Waste Stream Analysis>
+<Textile Recycling, audits, Life Cycle Assessment>
+<Textile Recycling, connectedTo, Electronic Waste Recycling>
+<Textile Recycling, connectedTo, Life Cycle Assessment>
+<Textile Recycling, connectedTo, Material Collection>
+<Textile Recycling, connectedTo, New Product Manufacturing>
+<Textile Recycling, connectedTo, Plastic Recycling>
+<Waste Stream Analysis, connectedTo, Paper Recycling>
+<Waste Stream Analysis, connectedTo, Recycling Education>
diff --git a/test/plantuml/graph_hard/plantuml_133.puml b/test/plantuml/graph_hard/plantuml_133.puml
new file mode 100644
index 0000000000000000000000000000000000000000..0fa52a88e889fe969cc145f76fb4dc12e1d6bb97
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_133.puml
@@ -0,0 +1,76 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Drone Surveying for Forests" as Group0 #FCE4EC {
+    artifact "Sustainable Forest Management" as nest0_0 #DED7F0
+    node "Logging Operations" as nest0_1 #E0F2F1
+    node "Climate Change Adaptation in Forests" as nest0_2 #E0F2F1
+}
+rectangle "Public Access Management" as Group1 #E8F5E9 {
+    folder "Biomass Production from Forests" as nest1_0 #E0F2F1
+    folder "Non_Timber Forest Product Collection" as nest1_1 #E0F2F1
+    usecase "Forest Research" as nest1_2 #E0F2F1
+    artifact "Forest Land Use Planning" as nest1_3 #B3E5FC
+}
+component "Illegal Logging Prevention" as N0 #E0F2F1
+database "Forest Carbon Accounting" as N1 #B3E5FC
+folder "Pest and Disease Control" as N2 #E0F2F1
+rectangle "Afforestation" as N3 #DED7F0
+folder "Forest Inventory" as N4 #DED7F0
+frame "Forest Fire Management" as N5 #DED7F0
+folder "Forestry Education" as N6 #DED7F0
+component "Reforestation" as N7 #B3E5FC
+folder "Sawmill Processing" as N8 #B3E5FC
+folder "Biodiversity Conservation in Forests" as N9 #E0F2F1
+database "Wildlife Habitat Management" as N10 #E0F2F1
+node "Forestry Equipment Maintenance" as N11 #B3E5FC
+node "Wood Product Manufacturing" as N12 #B3E5FC
+cloud "Forestry Policy Development" as N13 #B3E5FC
+folder "Recreation Management" as N14 #E0F2F1
+rectangle "Tree Nursery Management" as N15 #DED7F0
+artifact "GIS Mapping for Forestry" as N16 #B3E5FC
+circle " " as S0 #B3E5FC
+circle " " as S1 #DED7F0
+circle " " as M1 #B3E5FC
+circle " " as M2 #B3E5FC
+N0 -[#03A9F4]-> N1
+N1 -[#26A69A]-> N2
+N2 -[#26A69A]-> N3
+N3 ..[#03A9F4]..> N4
+N4 ..[#A188DB]..> N5
+N5 -[#26A69A]-> N6
+N6 -[#A188DB]-> N7 : sustains
+N7 -[#000000]-> N8
+N8 ..[#000000]..> N9
+N9 ..[#000000]..> N10
+N10 ..[#03A9F4]..> N11
+N11 -[#000000]-> N12
+N12 -[#A188DB]-> N13
+N13 -[#000000]-> N14
+N14 -[#000000]-> N15
+N15 -[#03A9F4]-> N16
+nest0_0 -[#000000]-> nest0_1
+nest0_1 ..[#03A9F4]..> nest0_2
+N2 -[#26A69A]-> nest0_0
+nest0_2 ..[#A188DB]..> N16
+nest1_0 -[#03A9F4]-> nest1_1
+nest1_1 -[#26A69A]-> nest1_2
+nest1_2 ..[#000000]..> nest1_3
+N10 ..[#03A9F4]..> nest1_0
+nest1_3 -[#000000]-> N16
+N4 -[#A188DB]-> S0
+S0 -[#03A9F4]-> N7
+S0 -[#000000]-> N12
+S0 -[#000000]-> N10
+N2 ..[#A188DB]..> S1
+S1 ..[#000000]..> N12 : audits
+S1 -[#26A69A]-> N4
+S1 ..[#03A9F4]..> N15 : surveys
+N2 -[#A188DB]-> M1 : researches
+N0 ..[#000000]..> M1
+M1 -[#000000]-> N9
+N4 ..[#03A9F4]..> M2
+N1 ..[#26A69A]..> M2
+M2 -[#26A69A]-> N12
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_133.txt b/test/plantuml/graph_hard/plantuml_133.txt
new file mode 100644
index 0000000000000000000000000000000000000000..73bfa3cb3b9f42a25ca76e2b3c2792d36353c28b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_133.txt
@@ -0,0 +1,41 @@
+<Afforestation, connectedTo, Forest Inventory>
+<Biodiversity Conservation in Forests, connectedTo, Wildlife Habitat Management>
+<Biomass Production from Forests, connectedTo, Non_Timber Forest Product Collection>
+<Biomass Production from Forests, partOf, Public Access Management>
+<Climate Change Adaptation in Forests, connectedTo, GIS Mapping for Forestry>
+<Climate Change Adaptation in Forests, partOf, Drone Surveying for Forests>
+<Forest Carbon Accounting, connectedTo, Pest and Disease Control>
+<Forest Carbon Accounting, connectedTo, Wood Product Manufacturing>
+<Forest Fire Management, connectedTo, Forestry Education>
+<Forest Inventory, connectedTo, Forest Fire Management>
+<Forest Inventory, connectedTo, Reforestation>
+<Forest Inventory, connectedTo, Wildlife Habitat Management>
+<Forest Inventory, connectedTo, Wood Product Manufacturing>
+<Forest Land Use Planning, connectedTo, GIS Mapping for Forestry>
+<Forest Land Use Planning, partOf, Public Access Management>
+<Forest Research, connectedTo, Forest Land Use Planning>
+<Forest Research, partOf, Public Access Management>
+<Forestry Education, sustains, Reforestation>
+<Forestry Equipment Maintenance, connectedTo, Wood Product Manufacturing>
+<Forestry Policy Development, connectedTo, Recreation Management>
+<Illegal Logging Prevention, connectedTo, Biodiversity Conservation in Forests>
+<Illegal Logging Prevention, connectedTo, Forest Carbon Accounting>
+<Logging Operations, connectedTo, Climate Change Adaptation in Forests>
+<Logging Operations, partOf, Drone Surveying for Forests>
+<Non_Timber Forest Product Collection, connectedTo, Forest Research>
+<Non_Timber Forest Product Collection, partOf, Public Access Management>
+<Pest and Disease Control, audits, Wood Product Manufacturing>
+<Pest and Disease Control, connectedTo, Afforestation>
+<Pest and Disease Control, connectedTo, Forest Inventory>
+<Pest and Disease Control, connectedTo, Sustainable Forest Management>
+<Pest and Disease Control, researches, Biodiversity Conservation in Forests>
+<Pest and Disease Control, surveys, Tree Nursery Management>
+<Recreation Management, connectedTo, Tree Nursery Management>
+<Reforestation, connectedTo, Sawmill Processing>
+<Sawmill Processing, connectedTo, Biodiversity Conservation in Forests>
+<Sustainable Forest Management, connectedTo, Logging Operations>
+<Sustainable Forest Management, partOf, Drone Surveying for Forests>
+<Tree Nursery Management, connectedTo, GIS Mapping for Forestry>
+<Wildlife Habitat Management, connectedTo, Biomass Production from Forests>
+<Wildlife Habitat Management, connectedTo, Forestry Equipment Maintenance>
+<Wood Product Manufacturing, connectedTo, Forestry Policy Development>
diff --git a/test/plantuml/graph_hard/plantuml_134.puml b/test/plantuml/graph_hard/plantuml_134.puml
new file mode 100644
index 0000000000000000000000000000000000000000..14ea66c15d3de7c36376ae51308b22333cb7de51
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_134.puml
@@ -0,0 +1,75 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Forest Carbon Accounting" as Group0 #E0F2F1 {
+    folder "Forest Health Monitoring" as nest0_0 #FFDAB9
+    rectangle "Forestry Equipment Maintenance" as nest0_1 #C8EDFF
+    database "Drone Surveying for Forests" as nest0_2 #C8EDFF
+    cloud "Agroforestry Systems" as nest0_3 #FFCDD2
+}
+rectangle "Biomass Production from Forests" as Group1 #E0F2F1 {
+    artifact "Forest Road Construction" as nest1_0 #FFDAB9
+    database "Biodiversity Conservation in Forests" as nest1_1 #C8EDFF
+    usecase "Pest and Disease Control" as nest1_2 #FFDAB9
+}
+component "Erosion Control" as N0 #FFCDD2
+cloud "Sawmill Processing" as N1 #FFCDD2
+folder "Climate Change Adaptation in Forests" as N2 #FFDAB9
+usecase "Afforestation" as N3 #FFDAB9
+folder "Logging Operations" as N4 #C8EDFF
+rectangle "Forest Certification" as N5 #C8EDFF
+database "Reforestation" as N6 #FFDAB9
+usecase "Forest Inventory" as N7 #FFCDD2
+artifact "Illegal Logging Prevention" as N8 #FFCDD2
+usecase "Public Access Management" as N9 #C8EDFF
+usecase "Ecological Restoration" as N10 #FFCDD2
+usecase "Recreation Management" as N11 #FFCDD2
+cloud "Forestry Education" as N12 #FFCDD2
+usecase "Soil Conservation" as N13 #FFDAB9
+circle " " as S0 #FFCDD2
+circle " " as S1 #FFCDD2
+circle " " as S2 #C8EDFF
+circle " " as M0 #C8EDFF
+circle " " as M1 #FFDAB9
+N0 -[#FFC085]-> N1 : restricts
+N1 ..[#82DAFF]..> N2
+N2 -[#FFC085]-> N3
+N3 -[#000000]-> N4
+N4 ..[#F44336]..> N5
+N5 -[#F44336]-> N6
+N6 ..[#82DAFF]..> N7
+N7 -[#FFC085]-> N8
+N8 ..[#FFC085]..> N9
+N9 -[#000000]-> N10
+N10 -[#82DAFF]-> N11
+N11 -[#F44336]-> N12
+N12 -[#82DAFF]-> N13
+nest0_0 -[#FFC085]-> nest0_1
+nest0_1 -[#82DAFF]-> nest0_2
+nest0_2 -[#000000]-> nest0_3 : prevents
+N3 ..[#82DAFF]..> nest0_0
+nest0_3 -[#F44336]-> N13
+nest1_0 ..[#82DAFF]..> nest1_1
+nest1_1 ..[#82DAFF]..> nest1_2
+N7 -[#FFC085]-> nest1_0
+nest1_2 ..[#FFC085]..> N2
+N4 -[#F44336]-> S0
+S0 -[#000000]-> N9 : controls
+S0 -[#000000]-> N13
+S0 ..[#FFC085]..> N11
+N2 -[#FFC085]-> S1
+S1 -[#F44336]-> N5
+S1 -[#000000]-> N10
+N0 -[#FFC085]-> S2
+S2 -[#FFC085]-> N10
+S2 ..[#FFC085]..> N5 : assesses
+N2 ..[#82DAFF]..> M0
+N3 -[#000000]-> M0
+N5 ..[#82DAFF]..> M0 : thins
+M0 ..[#000000]..> N7
+N5 -[#82DAFF]-> M1
+N3 -[#F44336]-> M1
+N1 ..[#F44336]..> M1 : researches
+M1 ..[#F44336]..> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_134.txt b/test/plantuml/graph_hard/plantuml_134.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a4928e007b6a0d734e2b91be8ee263e1d74a52f2
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_134.txt
@@ -0,0 +1,41 @@
+<Afforestation, connectedTo, Forest Health Monitoring>
+<Afforestation, connectedTo, Forest Inventory>
+<Afforestation, connectedTo, Logging Operations>
+<Agroforestry Systems, connectedTo, Soil Conservation>
+<Agroforestry Systems, partOf, Forest Carbon Accounting>
+<Biodiversity Conservation in Forests, connectedTo, Pest and Disease Control>
+<Biodiversity Conservation in Forests, partOf, Biomass Production from Forests>
+<Climate Change Adaptation in Forests, connectedTo, Afforestation>
+<Climate Change Adaptation in Forests, connectedTo, Ecological Restoration>
+<Climate Change Adaptation in Forests, connectedTo, Forest Certification>
+<Climate Change Adaptation in Forests, connectedTo, Forest Inventory>
+<Drone Surveying for Forests, partOf, Forest Carbon Accounting>
+<Drone Surveying for Forests, prevents, Agroforestry Systems>
+<Ecological Restoration, connectedTo, Recreation Management>
+<Erosion Control, assesses, Forest Certification>
+<Erosion Control, connectedTo, Ecological Restoration>
+<Erosion Control, restricts, Sawmill Processing>
+<Forest Certification, connectedTo, Forest Inventory>
+<Forest Certification, connectedTo, Reforestation>
+<Forest Certification, thins, Forest Inventory>
+<Forest Health Monitoring, connectedTo, Forestry Equipment Maintenance>
+<Forest Health Monitoring, partOf, Forest Carbon Accounting>
+<Forest Inventory, connectedTo, Forest Road Construction>
+<Forest Inventory, connectedTo, Illegal Logging Prevention>
+<Forest Road Construction, connectedTo, Biodiversity Conservation in Forests>
+<Forest Road Construction, partOf, Biomass Production from Forests>
+<Forestry Education, connectedTo, Soil Conservation>
+<Forestry Equipment Maintenance, connectedTo, Drone Surveying for Forests>
+<Forestry Equipment Maintenance, partOf, Forest Carbon Accounting>
+<Illegal Logging Prevention, connectedTo, Public Access Management>
+<Logging Operations, connectedTo, Forest Certification>
+<Logging Operations, connectedTo, Recreation Management>
+<Logging Operations, connectedTo, Soil Conservation>
+<Logging Operations, controls, Public Access Management>
+<Pest and Disease Control, connectedTo, Climate Change Adaptation in Forests>
+<Pest and Disease Control, partOf, Biomass Production from Forests>
+<Public Access Management, connectedTo, Ecological Restoration>
+<Recreation Management, connectedTo, Forestry Education>
+<Reforestation, connectedTo, Forest Inventory>
+<Sawmill Processing, connectedTo, Climate Change Adaptation in Forests>
+<Sawmill Processing, researches, Forest Inventory>
diff --git a/test/plantuml/graph_hard/plantuml_135.puml b/test/plantuml/graph_hard/plantuml_135.puml
new file mode 100644
index 0000000000000000000000000000000000000000..61dce93df926b4032f699623d1e6380d66ed1ffc
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_135.puml
@@ -0,0 +1,62 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Forest Land Use Planning" as Group0 #F3E5F5 {
+    component "Biodiversity Conservation in Forests" as nest0_0 #E3F2FD
+    usecase "Forest Fire Management" as nest0_1 #ECEFF1
+}
+rectangle "Forest Inventory" as Group1 #FBE9E7 {
+    component "Afforestation" as nest1_0 #D0EFEE
+    usecase "Urban Forestry Management" as nest1_1 #D0EFEE
+    rectangle "Non_Timber Forest Product Collection" as nest1_2 #D0EFEE
+    usecase "Biomass Production from Forests" as nest1_3 #D0EFEE
+}
+usecase "Soil Conservation" as N0 #D0EFEE
+node "Timber Harvesting" as N1 #D0EFEE
+artifact "Sawmill Processing" as N2 #ECEFF1
+artifact "Wood Product Manufacturing" as N3 #D0EFEE
+folder "Ecological Restoration" as N4 #ECEFF1
+artifact "Forest Certification" as N5 #E3F2FD
+rectangle "Erosion Control" as N6 #D0EFEE
+rectangle "Carbon Sequestration Monitoring" as N7 #ECEFF1
+cloud "GIS Mapping for Forestry" as N8 #ECEFF1
+component "Forestry Equipment Maintenance" as N9 #ECEFF1
+database "Recreation Management" as N10 #ECEFF1
+circle " " as S0 #D0EFEE
+circle " " as S1 #D0EFEE
+circle " " as M1 #ECEFF1
+circle " " as M2 #ECEFF1
+N0 ..[#64B5F6]..> N1
+N1 -[#000000]-> N2
+N2 ..[#000000]..> N3
+N3 ..[#64B5F6]..> N4
+N4 -[#64B5F6]-> N5
+N5 -[#73C6BC]-> N6
+N6 ..[#000000]..> N7
+N7 -[#73C6BC]-> N8
+N8 ..[#64B5F6]..> N9
+N9 ..[#64B5F6]..> N10
+nest0_0 ..[#90A4AE]..> nest0_1
+N4 -[#73C6BC]-> nest0_0
+nest0_1 -[#90A4AE]-> N3
+nest1_0 -[#64B5F6]-> nest1_1
+nest1_1 -[#000000]-> nest1_2
+nest1_2 ..[#73C6BC]..> nest1_3
+N7 ..[#90A4AE]..> nest1_0
+nest1_3 ..[#000000]..> N4
+N1 ..[#73C6BC]..> S0
+S0 ..[#64B5F6]..> N6
+S0 -[#90A4AE]-> N5
+S0 ..[#90A4AE]..> N4
+N7 ..[#90A4AE]..> S1
+S1 ..[#90A4AE]..> N9
+S1 ..[#73C6BC]..> N10 : educates
+N2 -[#73C6BC]-> M1 : enforces
+N0 -[#000000]-> M1
+N3 ..[#000000]..> M1
+M1 ..[#73C6BC]..> N8
+N1 -[#000000]-> M2
+N0 ..[#64B5F6]..> M2
+M2 -[#64B5F6]-> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_135.txt b/test/plantuml/graph_hard/plantuml_135.txt
new file mode 100644
index 0000000000000000000000000000000000000000..744ad6f6da480b560b664eddfbb0d857a683cf6b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_135.txt
@@ -0,0 +1,34 @@
+<Afforestation, connectedTo, Urban Forestry Management>
+<Afforestation, partOf, Forest Inventory>
+<Biodiversity Conservation in Forests, connectedTo, Forest Fire Management>
+<Biodiversity Conservation in Forests, partOf, Forest Land Use Planning>
+<Biomass Production from Forests, connectedTo, Ecological Restoration>
+<Biomass Production from Forests, partOf, Forest Inventory>
+<Carbon Sequestration Monitoring, connectedTo, Afforestation>
+<Carbon Sequestration Monitoring, connectedTo, Forestry Equipment Maintenance>
+<Carbon Sequestration Monitoring, connectedTo, GIS Mapping for Forestry>
+<Carbon Sequestration Monitoring, educates, Recreation Management>
+<Ecological Restoration, connectedTo, Biodiversity Conservation in Forests>
+<Ecological Restoration, connectedTo, Forest Certification>
+<Erosion Control, connectedTo, Carbon Sequestration Monitoring>
+<Forest Certification, connectedTo, Erosion Control>
+<Forest Fire Management, connectedTo, Wood Product Manufacturing>
+<Forest Fire Management, partOf, Forest Land Use Planning>
+<Forestry Equipment Maintenance, connectedTo, Recreation Management>
+<GIS Mapping for Forestry, connectedTo, Forestry Equipment Maintenance>
+<Non_Timber Forest Product Collection, connectedTo, Biomass Production from Forests>
+<Non_Timber Forest Product Collection, partOf, Forest Inventory>
+<Sawmill Processing, connectedTo, Wood Product Manufacturing>
+<Sawmill Processing, enforces, GIS Mapping for Forestry>
+<Soil Conservation, connectedTo, GIS Mapping for Forestry>
+<Soil Conservation, connectedTo, Timber Harvesting>
+<Soil Conservation, connectedTo, Wood Product Manufacturing>
+<Timber Harvesting, connectedTo, Ecological Restoration>
+<Timber Harvesting, connectedTo, Erosion Control>
+<Timber Harvesting, connectedTo, Forest Certification>
+<Timber Harvesting, connectedTo, Sawmill Processing>
+<Timber Harvesting, connectedTo, Wood Product Manufacturing>
+<Urban Forestry Management, connectedTo, Non_Timber Forest Product Collection>
+<Urban Forestry Management, partOf, Forest Inventory>
+<Wood Product Manufacturing, connectedTo, Ecological Restoration>
+<Wood Product Manufacturing, connectedTo, GIS Mapping for Forestry>
diff --git a/test/plantuml/graph_hard/plantuml_136.puml b/test/plantuml/graph_hard/plantuml_136.puml
new file mode 100644
index 0000000000000000000000000000000000000000..460217135c97720a0c4d3d40330cd54015e4f871
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_136.puml
@@ -0,0 +1,77 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Emergency Vet Services" as Group0 #FFF3E0 {
+    usecase "Livestock Disease Prevention" as nest0_0 #E8F0EA
+    artifact "Sterilization Protocols" as nest0_1 #DDCEDD
+    cloud "Medical Record Keeping" as nest0_2 #C8E6C9
+    cloud "Euthanasia Services" as nest0_3 #DDCEDD
+}
+rectangle "Dental Care" as Group1 #E3F2FD {
+    folder "Farm Animal Health Management" as nest1_0 #C8E6C9
+    usecase "Diagnosis" as nest1_1 #C8E6C9
+    database "Animal Sheltering Consultation" as nest1_2 #E8F0EA
+    artifact "Parasite Control" as nest1_3 #DDCEDD
+}
+database "Client Communication" as N0 #E8F0EA
+artifact "Veterinary Pathology" as N1 #E8F0EA
+component "Medical Treatment" as N2 #C8E6C9
+folder "Genetic Counseling for Animals" as N3 #C8E6C9
+component "Microchipping" as N4 #E8F0EA
+usecase "Pet Check_up" as N5 #DDCEDD
+cloud "Post_operative Care" as N6 #C8E6C9
+usecase "Prescription" as N7 #DDCEDD
+folder "Hospice Care for Animals" as N8 #DDCEDD
+usecase "Animal Welfare Assessment" as N9 #C8E6C9
+rectangle "Nutritional Counseling" as N10 #C8E6C9
+node "Toxicology Testing" as N11 #E8F0EA
+frame "Reproductive Services" as N12 #DDCEDD
+frame "Herd Health Programs" as N13 #E8F0EA
+folder "Imaging Services" as N14 #DDCEDD
+circle " " as S0 #E8F0EA
+circle " " as S1 #DDCEDD
+circle " " as S2 #C8E6C9
+circle " " as M0 #DDCEDD
+circle " " as M2 #E8F0EA
+N0 ..[#AF56A6]..> N1
+N1 -[#388E3C]-> N2
+N2 ..[#000000]..> N3
+N3 ..[#388E3C]..> N4
+N4 ..[#92C79A]..> N5
+N5 ..[#AF56A6]..> N6
+N6 ..[#AF56A6]..> N7
+N7 ..[#AF56A6]..> N8
+N8 -[#000000]-> N9
+N9 ..[#388E3C]..> N10
+N10 -[#AF56A6]-> N11
+N11 -[#92C79A]-> N12
+N12 ..[#388E3C]..> N13
+N13 -[#388E3C]-> N14
+nest0_0 -[#92C79A]-> nest0_1
+nest0_1 ..[#92C79A]..> nest0_2
+nest0_2 -[#92C79A]-> nest0_3
+N3 -[#388E3C]-> nest0_0
+nest0_3 ..[#388E3C]..> N3
+nest1_0 -[#AF56A6]-> nest1_1
+nest1_1 ..[#92C79A]..> nest1_2
+nest1_2 -[#AF56A6]-> nest1_3
+N3 ..[#AF56A6]..> nest1_0
+nest1_3 -[#388E3C]-> N2
+N1 ..[#388E3C]..> S0
+S0 ..[#000000]..> N13
+S0 ..[#388E3C]..> N12
+N5 ..[#92C79A]..> S1
+S1 -[#388E3C]-> N14 : examines
+S1 ..[#000000]..> N10
+N10 -[#000000]-> S2
+S2 ..[#AF56A6]..> N14
+S2 ..[#92C79A]..> N12 : cleans
+N11 -[#92C79A]-> M0 : manages
+N9 -[#388E3C]-> M0
+N6 -[#92C79A]-> M0
+M0 -[#388E3C]-> N13
+N1 -[#92C79A]-> M2
+N6 -[#000000]-> M2 : dresses
+M2 -[#AF56A6]-> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_136.txt b/test/plantuml/graph_hard/plantuml_136.txt
new file mode 100644
index 0000000000000000000000000000000000000000..675fb608c367304a087ecd740656906887375fcf
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_136.txt
@@ -0,0 +1,43 @@
+<Animal Sheltering Consultation, connectedTo, Parasite Control>
+<Animal Sheltering Consultation, partOf, Dental Care>
+<Animal Welfare Assessment, connectedTo, Herd Health Programs>
+<Animal Welfare Assessment, connectedTo, Nutritional Counseling>
+<Client Communication, connectedTo, Veterinary Pathology>
+<Diagnosis, connectedTo, Animal Sheltering Consultation>
+<Diagnosis, partOf, Dental Care>
+<Euthanasia Services, connectedTo, Genetic Counseling for Animals>
+<Euthanasia Services, partOf, Emergency Vet Services>
+<Farm Animal Health Management, connectedTo, Diagnosis>
+<Farm Animal Health Management, partOf, Dental Care>
+<Genetic Counseling for Animals, connectedTo, Farm Animal Health Management>
+<Genetic Counseling for Animals, connectedTo, Livestock Disease Prevention>
+<Genetic Counseling for Animals, connectedTo, Microchipping>
+<Herd Health Programs, connectedTo, Imaging Services>
+<Hospice Care for Animals, connectedTo, Animal Welfare Assessment>
+<Livestock Disease Prevention, connectedTo, Sterilization Protocols>
+<Livestock Disease Prevention, partOf, Emergency Vet Services>
+<Medical Record Keeping, connectedTo, Euthanasia Services>
+<Medical Record Keeping, partOf, Emergency Vet Services>
+<Medical Treatment, connectedTo, Genetic Counseling for Animals>
+<Microchipping, connectedTo, Pet Check_up>
+<Nutritional Counseling, cleans, Reproductive Services>
+<Nutritional Counseling, connectedTo, Imaging Services>
+<Nutritional Counseling, connectedTo, Toxicology Testing>
+<Parasite Control, connectedTo, Medical Treatment>
+<Parasite Control, partOf, Dental Care>
+<Pet Check_up, connectedTo, Nutritional Counseling>
+<Pet Check_up, connectedTo, Post_operative Care>
+<Pet Check_up, examines, Imaging Services>
+<Post_operative Care, connectedTo, Herd Health Programs>
+<Post_operative Care, connectedTo, Prescription>
+<Post_operative Care, dresses, Nutritional Counseling>
+<Prescription, connectedTo, Hospice Care for Animals>
+<Reproductive Services, connectedTo, Herd Health Programs>
+<Sterilization Protocols, connectedTo, Medical Record Keeping>
+<Sterilization Protocols, partOf, Emergency Vet Services>
+<Toxicology Testing, connectedTo, Reproductive Services>
+<Toxicology Testing, manages, Herd Health Programs>
+<Veterinary Pathology, connectedTo, Herd Health Programs>
+<Veterinary Pathology, connectedTo, Medical Treatment>
+<Veterinary Pathology, connectedTo, Nutritional Counseling>
+<Veterinary Pathology, connectedTo, Reproductive Services>
diff --git a/test/plantuml/graph_hard/plantuml_137.puml b/test/plantuml/graph_hard/plantuml_137.puml
new file mode 100644
index 0000000000000000000000000000000000000000..ffd7c6e1582876b8487006058dd67bd7bff03a4c
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_137.puml
@@ -0,0 +1,80 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Animal Welfare Assessment" as Group0 #FBE9E7 {
+    folder "Nutritional Counseling" as nest0_0 #F2E6F5
+    usecase "Dental Care" as nest0_1 #E1F5FE
+}
+rectangle "Pain Management" as Group1 #E8F5E9 {
+    component "Livestock Disease Prevention" as nest1_0 #E1F5FE
+    folder "Medical Treatment" as nest1_1 #F2E6F5
+    component "Equine Care" as nest1_2 #E0F2F1
+}
+frame "Imaging Services" as N0 #E1F5FE
+artifact "Herd Health Programs" as N1 #F2E6F5
+frame "Veterinary Technology Training" as N2 #F2E6F5
+rectangle "Genetic Counseling for Animals" as N3 #F2E6F5
+folder "Pharmacy Management" as N4 #F2E6F5
+rectangle "Hospice Care for Animals" as N5 #E0F2F1
+artifact "Parasite Control" as N6 #E0F2F1
+node "Toxicology Testing" as N7 #E1F5FE
+usecase "Allergy Testing" as N8 #F2E6F5
+frame "Diagnosis" as N9 #F2E6F5
+folder "Surgery" as N10 #F2E6F5
+usecase "Veterinary Pathology" as N11 #E1F5FE
+cloud "Biosecurity Measures" as N12 #E1F5FE
+folder "Anesthesia Administration" as N13 #E0F2F1
+artifact "Euthanasia Services" as N14 #E0F2F1
+database "Animal Sheltering Consultation" as N15 #F2E6F5
+rectangle "Medical Record Keeping" as N16 #F2E6F5
+folder "Vaccination" as N17 #F2E6F5
+circle " " as S0 #F2E6F5
+circle " " as S1 #F2E6F5
+circle " " as M0 #E0F2F1
+circle " " as M1 #E1F5FE
+circle " " as M2 #F2E6F5
+N0 -[#000000]-> N1
+N1 ..[#26A69A]..> N2
+N2 -[#4FC3F7]-> N3 : rehabilitates
+N3 -[#CB9BE1]-> N4
+N4 -[#26A69A]-> N5
+N5 ..[#4FC3F7]..> N6
+N6 -[#CB9BE1]-> N7
+N7 ..[#000000]..> N8
+N8 -[#CB9BE1]-> N9
+N9 ..[#000000]..> N10 : inspects
+N10 ..[#4FC3F7]..> N11 : regulates
+N11 -[#26A69A]-> N12
+N12 ..[#000000]..> N13
+N13 ..[#4FC3F7]..> N14
+N14 ..[#000000]..> N15
+N15 ..[#CB9BE1]..> N16
+N16 -[#CB9BE1]-> N17
+nest0_0 -[#000000]-> nest0_1
+N9 ..[#26A69A]..> nest0_0
+nest0_1 ..[#CB9BE1]..> N3
+nest1_0 -[#CB9BE1]-> nest1_1
+nest1_1 ..[#000000]..> nest1_2
+N15 -[#000000]-> nest1_0
+nest1_2 ..[#000000]..> N8
+N1 -[#26A69A]-> S0
+S0 ..[#000000]..> N17
+S0 -[#4FC3F7]-> N14
+N7 ..[#26A69A]..> S1
+S1 -[#4FC3F7]-> N10
+S1 ..[#4FC3F7]..> N14
+S1 -[#000000]-> N12
+N5 ..[#4FC3F7]..> M0 : inspects
+N3 -[#CB9BE1]-> M0
+N4 ..[#26A69A]..> M0
+M0 -[#4FC3F7]-> N7
+N3 ..[#26A69A]..> M1
+N8 ..[#4FC3F7]..> M1
+N4 -[#4FC3F7]-> M1
+M1 -[#26A69A]-> N15
+N0 ..[#26A69A]..> M2
+N2 ..[#26A69A]..> M2
+N3 -[#4FC3F7]-> M2
+M2 ..[#000000]..> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_137.txt b/test/plantuml/graph_hard/plantuml_137.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8557b612daa80c9fc05637e504f10eb858506809
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_137.txt
@@ -0,0 +1,43 @@
+<Allergy Testing, connectedTo, Animal Sheltering Consultation>
+<Allergy Testing, connectedTo, Diagnosis>
+<Anesthesia Administration, connectedTo, Euthanasia Services>
+<Animal Sheltering Consultation, connectedTo, Livestock Disease Prevention>
+<Animal Sheltering Consultation, connectedTo, Medical Record Keeping>
+<Biosecurity Measures, connectedTo, Anesthesia Administration>
+<Dental Care, connectedTo, Genetic Counseling for Animals>
+<Dental Care, partOf, Animal Welfare Assessment>
+<Diagnosis, connectedTo, Nutritional Counseling>
+<Diagnosis, inspects, Surgery>
+<Equine Care, connectedTo, Allergy Testing>
+<Equine Care, partOf, Pain Management>
+<Euthanasia Services, connectedTo, Animal Sheltering Consultation>
+<Genetic Counseling for Animals, connectedTo, Animal Sheltering Consultation>
+<Genetic Counseling for Animals, connectedTo, Hospice Care for Animals>
+<Genetic Counseling for Animals, connectedTo, Pharmacy Management>
+<Genetic Counseling for Animals, connectedTo, Toxicology Testing>
+<Herd Health Programs, connectedTo, Euthanasia Services>
+<Herd Health Programs, connectedTo, Vaccination>
+<Herd Health Programs, connectedTo, Veterinary Technology Training>
+<Hospice Care for Animals, connectedTo, Parasite Control>
+<Hospice Care for Animals, inspects, Toxicology Testing>
+<Imaging Services, connectedTo, Herd Health Programs>
+<Imaging Services, connectedTo, Hospice Care for Animals>
+<Livestock Disease Prevention, connectedTo, Medical Treatment>
+<Livestock Disease Prevention, partOf, Pain Management>
+<Medical Record Keeping, connectedTo, Vaccination>
+<Medical Treatment, connectedTo, Equine Care>
+<Medical Treatment, partOf, Pain Management>
+<Nutritional Counseling, connectedTo, Dental Care>
+<Nutritional Counseling, partOf, Animal Welfare Assessment>
+<Parasite Control, connectedTo, Toxicology Testing>
+<Pharmacy Management, connectedTo, Animal Sheltering Consultation>
+<Pharmacy Management, connectedTo, Hospice Care for Animals>
+<Pharmacy Management, connectedTo, Toxicology Testing>
+<Surgery, regulates, Veterinary Pathology>
+<Toxicology Testing, connectedTo, Allergy Testing>
+<Toxicology Testing, connectedTo, Biosecurity Measures>
+<Toxicology Testing, connectedTo, Euthanasia Services>
+<Toxicology Testing, connectedTo, Surgery>
+<Veterinary Pathology, connectedTo, Biosecurity Measures>
+<Veterinary Technology Training, connectedTo, Hospice Care for Animals>
+<Veterinary Technology Training, rehabilitates, Genetic Counseling for Animals>
diff --git a/test/plantuml/graph_hard/plantuml_138.puml b/test/plantuml/graph_hard/plantuml_138.puml
new file mode 100644
index 0000000000000000000000000000000000000000..ce2f1a2b9871a5f122e6a0474c1bd13396f07284
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_138.puml
@@ -0,0 +1,68 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Sterilization Protocols" as Group0 #E3F2FD {
+    node "Veterinary Pathology" as nest0_0 #D1C4E9
+    cloud "Allergy Testing" as nest0_1 #B3E5FC
+    node "Wildlife Rehabilitation" as nest0_2 #B3E5FC
+    cloud "Animal Welfare Assessment" as nest0_3 #D1C4E9
+}
+rectangle "Biosecurity Measures" as Group1 #F1F8E9 {
+    frame "Behavioral Counseling" as nest1_0 #D1C4E9
+    folder "Reproductive Services" as nest1_1 #FFEBEB
+}
+database "Post_operative Care" as N0 #FFEBEB
+folder "Veterinary Technology Training" as N1 #FFEBEB
+node "Pharmacy Management" as N2 #B3E5FC
+usecase "Laboratory Testing" as N3 #FFEBEB
+rectangle "Pre_surgical Assessment" as N4 #D1C4E9
+artifact "Spay or Neuter Procedure" as N5 #D1C4E9
+rectangle "Diagnosis" as N6 #D1C4E9
+folder "Anesthesia Administration" as N7 #D1C4E9
+folder "Genetic Counseling for Animals" as N8 #FFEBEB
+rectangle "Medical Record Keeping" as N9 #D1C4E9
+database "Dental Care" as N10 #FFEBEB
+rectangle "Public Health Vet Services" as N11 #B3E5FC
+component "Toxicology Testing" as N12 #D1C4E9
+folder "Pet Check_up" as N13 #FFEBEB
+circle " " as S0 #B3E5FC
+circle " " as S1 #D1C4E9
+circle " " as S2 #D1C4E9
+circle " " as M1 #D1C4E9
+N0 ..[#7E57C2]..> N1
+N1 -[#FFC2C2]-> N2
+N2 -[#7E57C2]-> N3
+N3 ..[#7E57C2]..> N4
+N4 ..[#7E57C2]..> N5
+N5 -[#000000]-> N6
+N6 -[#FFC2C2]-> N7
+N7 -[#7E57C2]-> N8 : dresses
+N8 ..[#03A9F4]..> N9
+N9 ..[#03A9F4]..> N10
+N10 -[#03A9F4]-> N11
+N11 ..[#03A9F4]..> N12 : tests
+N12 -[#03A9F4]-> N13 : monitors
+nest0_0 ..[#03A9F4]..> nest0_1
+nest0_1 -[#03A9F4]-> nest0_2
+nest0_2 -[#03A9F4]-> nest0_3
+N11 ..[#03A9F4]..> nest0_0
+nest0_3 -[#03A9F4]-> N5 : anesthetizes
+nest1_0 -[#000000]-> nest1_1
+N12 ..[#7E57C2]..> nest1_0 : inspects
+nest1_1 ..[#7E57C2]..> N9 : admits
+N0 -[#03A9F4]-> S0
+S0 -[#7E57C2]-> N2
+S0 ..[#000000]..> N13
+S0 ..[#FFC2C2]..> N8
+N2 ..[#FFC2C2]..> S1
+S1 -[#FFC2C2]-> N7
+S1 ..[#000000]..> N5
+S1 ..[#7E57C2]..> N4
+N4 ..[#000000]..> S2
+S2 ..[#7E57C2]..> N8
+S2 -[#7E57C2]-> N9
+N0 ..[#000000]..> M1
+N5 -[#FFC2C2]-> M1
+M1 -[#FFC2C2]-> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_138.txt b/test/plantuml/graph_hard/plantuml_138.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b6bf20ed54a0849095a74731e07b6930472b79c4
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_138.txt
@@ -0,0 +1,37 @@
+<Allergy Testing, connectedTo, Wildlife Rehabilitation>
+<Allergy Testing, partOf, Sterilization Protocols>
+<Anesthesia Administration, dresses, Genetic Counseling for Animals>
+<Animal Welfare Assessment, anesthetizes, Spay or Neuter Procedure>
+<Animal Welfare Assessment, partOf, Sterilization Protocols>
+<Behavioral Counseling, connectedTo, Reproductive Services>
+<Behavioral Counseling, partOf, Biosecurity Measures>
+<Dental Care, connectedTo, Public Health Vet Services>
+<Diagnosis, connectedTo, Anesthesia Administration>
+<Genetic Counseling for Animals, connectedTo, Medical Record Keeping>
+<Laboratory Testing, connectedTo, Pre_surgical Assessment>
+<Medical Record Keeping, connectedTo, Dental Care>
+<Pharmacy Management, connectedTo, Anesthesia Administration>
+<Pharmacy Management, connectedTo, Laboratory Testing>
+<Pharmacy Management, connectedTo, Pre_surgical Assessment>
+<Pharmacy Management, connectedTo, Spay or Neuter Procedure>
+<Post_operative Care, connectedTo, Dental Care>
+<Post_operative Care, connectedTo, Genetic Counseling for Animals>
+<Post_operative Care, connectedTo, Pet Check_up>
+<Post_operative Care, connectedTo, Pharmacy Management>
+<Post_operative Care, connectedTo, Veterinary Technology Training>
+<Pre_surgical Assessment, connectedTo, Genetic Counseling for Animals>
+<Pre_surgical Assessment, connectedTo, Medical Record Keeping>
+<Pre_surgical Assessment, connectedTo, Spay or Neuter Procedure>
+<Public Health Vet Services, connectedTo, Veterinary Pathology>
+<Public Health Vet Services, tests, Toxicology Testing>
+<Reproductive Services, admits, Medical Record Keeping>
+<Reproductive Services, partOf, Biosecurity Measures>
+<Spay or Neuter Procedure, connectedTo, Dental Care>
+<Spay or Neuter Procedure, connectedTo, Diagnosis>
+<Toxicology Testing, inspects, Behavioral Counseling>
+<Toxicology Testing, monitors, Pet Check_up>
+<Veterinary Pathology, connectedTo, Allergy Testing>
+<Veterinary Pathology, partOf, Sterilization Protocols>
+<Veterinary Technology Training, connectedTo, Pharmacy Management>
+<Wildlife Rehabilitation, connectedTo, Animal Welfare Assessment>
+<Wildlife Rehabilitation, partOf, Sterilization Protocols>
diff --git a/test/plantuml/graph_hard/plantuml_139.puml b/test/plantuml/graph_hard/plantuml_139.puml
new file mode 100644
index 0000000000000000000000000000000000000000..26b9ac6b74ddd8082d1c96e09f004aa461c5a36c
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_139.puml
@@ -0,0 +1,69 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Early Literacy Programs" as Group0 #F1F8E9 {
+    frame "Music and Movement Activities" as nest0_0 #E6EE9C
+    folder "Infant Care" as nest0_1 #E6EE9C
+    folder "Motor Skill Development" as nest0_2 #FFEBEB
+    frame "Enrollment and Admissions" as nest0_3 #D0EFEE
+}
+rectangle "Sensory Play" as Group1 #F1F8E9 {
+    component "Childcare Facility Licensing" as nest1_0 #E6EE9C
+    folder "Toddler Activities" as nest1_1 #FFEBEB
+}
+component "Preschool Education" as N0 #E6EE9C
+usecase "Outdoor Exploration" as N1 #FFEBEB
+database "Playground Safety Inspection" as N2 #FFEBEB
+folder "Child Development Assessment" as N3 #FFEBEB
+node "Creative Arts Activities" as N4 #D0EFEE
+frame "Child Psychology Application" as N5 #D0EFEE
+usecase "Field Trip Organization" as N6 #FFEBEB
+rectangle "First Aid Administration" as N7 #E6EE9C
+component "Teacher_Child Ratio Management" as N8 #FFEBEB
+database "Parent Communication" as N9 #D0EFEE
+component "Child Protection Policies" as N10 #E6EE9C
+database "Group Activities Coordination" as N11 #D0EFEE
+circle " " as S0 #FFEBEB
+circle " " as S1 #E6EE9C
+circle " " as S2 #FFEBEB
+circle " " as M1 #E6EE9C
+circle " " as M2 #E6EE9C
+N0 -[#CDDC39]-> N1
+N1 -[#73C6BC]-> N2
+N2 ..[#CDDC39]..> N3
+N3 ..[#FFC2C2]..> N4
+N4 ..[#73C6BC]..> N5
+N5 -[#000000]-> N6
+N6 -[#000000]-> N7
+N7 -[#FFC2C2]-> N8
+N8 ..[#000000]..> N9
+N9 ..[#73C6BC]..> N10
+N10 -[#000000]-> N11
+nest0_0 ..[#73C6BC]..> nest0_1 : develops
+nest0_1 -[#CDDC39]-> nest0_2
+nest0_2 ..[#CDDC39]..> nest0_3
+N1 -[#73C6BC]-> nest0_0
+nest0_3 -[#000000]-> N1
+nest1_0 ..[#CDDC39]..> nest1_1
+N2 ..[#FFC2C2]..> nest1_0
+nest1_1 -[#FFC2C2]-> N1
+N7 ..[#CDDC39]..> S0
+S0 -[#CDDC39]-> N11
+S0 -[#000000]-> N9
+N6 ..[#73C6BC]..> S1
+S1 -[#000000]-> N10 : complies
+S1 ..[#CDDC39]..> N8
+S1 ..[#CDDC39]..> N11
+N6 -[#000000]-> S2
+S2 -[#FFC2C2]-> N9
+S2 -[#000000]-> N8
+S2 -[#CDDC39]-> N11
+N3 -[#000000]-> M1
+N4 -[#000000]-> M1
+M1 ..[#FFC2C2]..> N10
+N2 ..[#FFC2C2]..> M2
+N0 ..[#000000]..> M2
+N1 ..[#000000]..> M2 : engages
+M2 -[#000000]-> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_139.txt b/test/plantuml/graph_hard/plantuml_139.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7934aced93f2a2ee29da8a3d7fd3f969dee2cb05
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_139.txt
@@ -0,0 +1,36 @@
+<Child Development Assessment, connectedTo, Child Protection Policies>
+<Child Development Assessment, connectedTo, Creative Arts Activities>
+<Child Protection Policies, connectedTo, Group Activities Coordination>
+<Child Psychology Application, connectedTo, Field Trip Organization>
+<Childcare Facility Licensing, connectedTo, Toddler Activities>
+<Childcare Facility Licensing, partOf, Sensory Play>
+<Creative Arts Activities, connectedTo, Child Protection Policies>
+<Creative Arts Activities, connectedTo, Child Psychology Application>
+<Enrollment and Admissions, connectedTo, Outdoor Exploration>
+<Enrollment and Admissions, partOf, Early Literacy Programs>
+<Field Trip Organization, complies, Child Protection Policies>
+<Field Trip Organization, connectedTo, First Aid Administration>
+<Field Trip Organization, connectedTo, Group Activities Coordination>
+<Field Trip Organization, connectedTo, Parent Communication>
+<Field Trip Organization, connectedTo, Teacher_Child Ratio Management>
+<First Aid Administration, connectedTo, Group Activities Coordination>
+<First Aid Administration, connectedTo, Parent Communication>
+<First Aid Administration, connectedTo, Teacher_Child Ratio Management>
+<Infant Care, connectedTo, Motor Skill Development>
+<Infant Care, partOf, Early Literacy Programs>
+<Motor Skill Development, connectedTo, Enrollment and Admissions>
+<Motor Skill Development, partOf, Early Literacy Programs>
+<Music and Movement Activities, develops, Infant Care>
+<Music and Movement Activities, partOf, Early Literacy Programs>
+<Outdoor Exploration, connectedTo, Music and Movement Activities>
+<Outdoor Exploration, connectedTo, Playground Safety Inspection>
+<Outdoor Exploration, engages, Child Psychology Application>
+<Parent Communication, connectedTo, Child Protection Policies>
+<Playground Safety Inspection, connectedTo, Child Development Assessment>
+<Playground Safety Inspection, connectedTo, Child Psychology Application>
+<Playground Safety Inspection, connectedTo, Childcare Facility Licensing>
+<Preschool Education, connectedTo, Child Psychology Application>
+<Preschool Education, connectedTo, Outdoor Exploration>
+<Teacher_Child Ratio Management, connectedTo, Parent Communication>
+<Toddler Activities, connectedTo, Outdoor Exploration>
+<Toddler Activities, partOf, Sensory Play>
diff --git a/test/plantuml/graph_hard/plantuml_14.puml b/test/plantuml/graph_hard/plantuml_14.puml
new file mode 100644
index 0000000000000000000000000000000000000000..1397b616cb98c039d7dc4125dd72922553fbb574
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_14.puml
@@ -0,0 +1,72 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Cross_selling Recommendation" as Group0 #F1F8E9 {
+    component "Loyalty Points" as nest0_0 #F3E5F5
+    frame "Customer Inquiry" as nest0_1 #E8F0EA
+    node "Inventory Update" as nest0_2 #E0E6E9
+    cloud "Gift Card Purchase" as nest0_3 #F3E5F5
+}
+rectangle "Wishlist Management" as Group1 #FFF3E0 {
+    node "Subscription Service" as nest1_0 #E0E6E9
+    folder "Checkout" as nest1_1 #E8F0EA
+}
+component "Delivery Tracking" as N0 #F3E5F5
+artifact "Customer Segmentation" as N1 #E0E6E9
+usecase "Search Engine Optimization" as N2 #F3E5F5
+frame "Add to Cart" as N3 #F3E5F5
+frame "Promotion Application" as N4 #E8F0EA
+database "Cart Abandonment" as N5 #F3E5F5
+node "Supplier Onboarding" as N6 #E0E6E9
+artifact "Product Listing" as N7 #F3E5F5
+folder "A or B Testing" as N8 #F3E5F5
+cloud "Price Adjustment" as N9 #E0E6E9
+node "Live Chat Support" as N10 #E0E6E9
+artifact "Mobile App Interaction" as N11 #F3E5F5
+folder "Warehouse Management" as N12 #E8F0EA
+circle " " as S0 #E0E6E9
+circle " " as S1 #E8F0EA
+circle " " as S2 #F3E5F5
+circle " " as M0 #E0E6E9
+circle " " as M1 #E8F0EA
+N0 ..[#AABEC6]..> N1
+N1 ..[#92C79A]..> N2
+N2 -[#92C79A]-> N3
+N3 ..[#AABEC6]..> N4
+N4 ..[#AB47BC]..> N5
+N5 -[#000000]-> N6
+N6 -[#000000]-> N7
+N7 ..[#000000]..> N8
+N8 ..[#92C79A]..> N9 : reviews
+N9 ..[#000000]..> N10
+N10 -[#AB47BC]-> N11
+N11 -[#AB47BC]-> N12
+nest0_0 ..[#AB47BC]..> nest0_1
+nest0_1 -[#AABEC6]-> nest0_2 : routes
+nest0_2 -[#92C79A]-> nest0_3
+N5 ..[#AABEC6]..> nest0_0
+nest0_3 -[#000000]-> N1
+nest1_0 -[#92C79A]-> nest1_1
+N7 -[#000000]-> nest1_0
+nest1_1 ..[#92C79A]..> N3
+N7 -[#AB47BC]-> S0
+S0 -[#AB47BC]-> N10
+S0 -[#92C79A]-> N9 : notifies
+S0 -[#92C79A]-> N11
+N2 ..[#AABEC6]..> S1
+S1 ..[#000000]..> N4
+S1 -[#92C79A]-> N8
+S1 -[#AB47BC]-> N9
+N1 ..[#AABEC6]..> S2
+S2 ..[#AB47BC]..> N7
+S2 -[#000000]-> N3
+S2 ..[#AABEC6]..> N8
+N7 ..[#000000]..> M0
+N8 ..[#AABEC6]..> M0 : delivers
+N2 ..[#000000]..> M0
+M0 ..[#AB47BC]..> N11
+N6 ..[#92C79A]..> M1
+N0 -[#92C79A]-> M1
+M1 ..[#92C79A]..> N11
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_14.txt b/test/plantuml/graph_hard/plantuml_14.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0bfc8f9c89e495e8eda5030840d6c111f12908e8
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_14.txt
@@ -0,0 +1,39 @@
+<A or B Testing, delivers, Mobile App Interaction>
+<A or B Testing, reviews, Price Adjustment>
+<Add to Cart, connectedTo, Promotion Application>
+<Cart Abandonment, connectedTo, Loyalty Points>
+<Cart Abandonment, connectedTo, Supplier Onboarding>
+<Checkout, connectedTo, Add to Cart>
+<Checkout, partOf, Wishlist Management>
+<Customer Inquiry, partOf, Cross_selling Recommendation>
+<Customer Inquiry, routes, Inventory Update>
+<Customer Segmentation, connectedTo, A or B Testing>
+<Customer Segmentation, connectedTo, Add to Cart>
+<Customer Segmentation, connectedTo, Product Listing>
+<Customer Segmentation, connectedTo, Search Engine Optimization>
+<Delivery Tracking, connectedTo, Customer Segmentation>
+<Delivery Tracking, connectedTo, Mobile App Interaction>
+<Gift Card Purchase, connectedTo, Customer Segmentation>
+<Gift Card Purchase, partOf, Cross_selling Recommendation>
+<Inventory Update, connectedTo, Gift Card Purchase>
+<Inventory Update, partOf, Cross_selling Recommendation>
+<Live Chat Support, connectedTo, Mobile App Interaction>
+<Loyalty Points, connectedTo, Customer Inquiry>
+<Loyalty Points, partOf, Cross_selling Recommendation>
+<Mobile App Interaction, connectedTo, Warehouse Management>
+<Price Adjustment, connectedTo, Live Chat Support>
+<Product Listing, connectedTo, A or B Testing>
+<Product Listing, connectedTo, Live Chat Support>
+<Product Listing, connectedTo, Mobile App Interaction>
+<Product Listing, connectedTo, Subscription Service>
+<Product Listing, notifies, Price Adjustment>
+<Promotion Application, connectedTo, Cart Abandonment>
+<Search Engine Optimization, connectedTo, A or B Testing>
+<Search Engine Optimization, connectedTo, Add to Cart>
+<Search Engine Optimization, connectedTo, Mobile App Interaction>
+<Search Engine Optimization, connectedTo, Price Adjustment>
+<Search Engine Optimization, connectedTo, Promotion Application>
+<Subscription Service, connectedTo, Checkout>
+<Subscription Service, partOf, Wishlist Management>
+<Supplier Onboarding, connectedTo, Mobile App Interaction>
+<Supplier Onboarding, connectedTo, Product Listing>
diff --git a/test/plantuml/graph_hard/plantuml_140.puml b/test/plantuml/graph_hard/plantuml_140.puml
new file mode 100644
index 0000000000000000000000000000000000000000..ee4a88708eb6460f11d784cdd335e90c4017aba9
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_140.puml
@@ -0,0 +1,72 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Early Literacy Programs" as Group0 #F1F8E9 {
+    folder "Parent Communication" as nest0_0 #E0F7FA
+    node "Child Development Assessment" as nest0_1 #E1F5FE
+}
+rectangle "Childcare Facility Licensing" as Group1 #E0F2F1 {
+    node "Nap Time Supervision" as nest1_0 #E1F5FE
+    folder "Learning Material Selection" as nest1_1 #E1F5FE
+    database "Child Protection Policies" as nest1_2 #E1F5FE
+}
+frame "First Aid Administration" as N0 #D1C4E9
+folder "Hygiene Practices" as N1 #E1F5FE
+folder "Outdoor Exploration" as N2 #E1F5FE
+cloud "Music and Movement Activities" as N3 #E1F5FE
+artifact "Playground Safety Inspection" as N4 #E1F5FE
+database "Creative Arts Activities" as N5 #D1C4E9
+cloud "After_School Programs" as N6 #E1F5FE
+node "Child Psychology Application" as N7 #D1C4E9
+node "Potty Training Assistance" as N8 #E0F7FA
+component "Group Activities Coordination" as N9 #D1C4E9
+frame "Outdoor Play Supervision" as N10 #E1F5FE
+folder "Curriculum Planning" as N11 #D1C4E9
+usecase "Infant Care" as N12 #E0F7FA
+artifact "Emergency Evacuation Drills" as N13 #E0F7FA
+folder "Diaper Changing" as N14 #E0F7FA
+database "Safety Supervision" as N15 #E0F7FA
+cloud "Daily Activity Reporting" as N16 #E0F7FA
+artifact "Preschool Education" as N17 #D1C4E9
+cloud "Sensory Play" as N18 #E1F5FE
+circle " " as S0 #D1C4E9
+circle " " as S1 #E1F5FE
+circle " " as M0 #E0F7FA
+N0 -[#00BCD4]-> N1
+N1 ..[#00BCD4]..> N2
+N2 -[#4FC3F7]-> N3 : plans
+N3 ..[#4FC3F7]..> N4
+N4 ..[#7E57C2]..> N5
+N5 ..[#00BCD4]..> N6
+N6 -[#7E57C2]-> N7
+N7 -[#4FC3F7]-> N8
+N8 ..[#7E57C2]..> N9
+N9 ..[#7E57C2]..> N10
+N10 -[#000000]-> N11
+N11 ..[#7E57C2]..> N12
+N12 -[#4FC3F7]-> N13
+N13 -[#7E57C2]-> N14
+N14 ..[#00BCD4]..> N15
+N15 ..[#4FC3F7]..> N16
+N16 -[#000000]-> N17
+N17 ..[#00BCD4]..> N18
+nest0_0 ..[#00BCD4]..> nest0_1
+N2 ..[#4FC3F7]..> nest0_0
+nest0_1 ..[#7E57C2]..> N11
+nest1_0 -[#7E57C2]-> nest1_1
+nest1_1 -[#00BCD4]-> nest1_2
+N8 ..[#000000]..> nest1_0
+nest1_2 ..[#4FC3F7]..> N16
+N13 -[#000000]-> S0
+S0 -[#00BCD4]-> N16
+S0 ..[#00BCD4]..> N18
+N15 ..[#4FC3F7]..> S1
+S1 -[#7E57C2]-> N17 : communicates
+S1 -[#7E57C2]-> N18
+N1 -[#00BCD4]-> M0
+N2 ..[#7E57C2]..> M0
+N6 -[#00BCD4]-> M0
+M0 -[#7E57C2]-> N18
+N14 -[#00BCD4]-> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_140.txt b/test/plantuml/graph_hard/plantuml_140.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7c6cd20e98059b4e11365d61f4baabba5e1c7d7f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_140.txt
@@ -0,0 +1,38 @@
+<After_School Programs, connectedTo, Child Psychology Application>
+<After_School Programs, connectedTo, Sensory Play>
+<Child Development Assessment, connectedTo, Curriculum Planning>
+<Child Development Assessment, partOf, Early Literacy Programs>
+<Child Protection Policies, connectedTo, Daily Activity Reporting>
+<Child Protection Policies, partOf, Childcare Facility Licensing>
+<Child Psychology Application, connectedTo, Potty Training Assistance>
+<Creative Arts Activities, connectedTo, After_School Programs>
+<Curriculum Planning, connectedTo, Infant Care>
+<Daily Activity Reporting, connectedTo, Preschool Education>
+<Diaper Changing, connectedTo, Creative Arts Activities>
+<Diaper Changing, connectedTo, Safety Supervision>
+<Emergency Evacuation Drills, connectedTo, Daily Activity Reporting>
+<Emergency Evacuation Drills, connectedTo, Diaper Changing>
+<Emergency Evacuation Drills, connectedTo, Sensory Play>
+<First Aid Administration, connectedTo, Hygiene Practices>
+<Group Activities Coordination, connectedTo, Outdoor Play Supervision>
+<Hygiene Practices, connectedTo, Outdoor Exploration>
+<Hygiene Practices, connectedTo, Sensory Play>
+<Infant Care, connectedTo, Emergency Evacuation Drills>
+<Learning Material Selection, connectedTo, Child Protection Policies>
+<Learning Material Selection, partOf, Childcare Facility Licensing>
+<Music and Movement Activities, connectedTo, Playground Safety Inspection>
+<Nap Time Supervision, connectedTo, Learning Material Selection>
+<Nap Time Supervision, partOf, Childcare Facility Licensing>
+<Outdoor Exploration, connectedTo, Parent Communication>
+<Outdoor Exploration, connectedTo, Sensory Play>
+<Outdoor Exploration, plans, Music and Movement Activities>
+<Outdoor Play Supervision, connectedTo, Curriculum Planning>
+<Parent Communication, connectedTo, Child Development Assessment>
+<Parent Communication, partOf, Early Literacy Programs>
+<Playground Safety Inspection, connectedTo, Creative Arts Activities>
+<Potty Training Assistance, connectedTo, Group Activities Coordination>
+<Potty Training Assistance, connectedTo, Nap Time Supervision>
+<Preschool Education, connectedTo, Sensory Play>
+<Safety Supervision, communicates, Preschool Education>
+<Safety Supervision, connectedTo, Daily Activity Reporting>
+<Safety Supervision, connectedTo, Sensory Play>
diff --git a/test/plantuml/graph_hard/plantuml_141.puml b/test/plantuml/graph_hard/plantuml_141.puml
new file mode 100644
index 0000000000000000000000000000000000000000..9f0bec1969b0a9a5395fc2d7e879808ecab74772
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_141.puml
@@ -0,0 +1,69 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Emergency Evacuation Drills" as Group0 #EDE7F6 {
+    node "After_School Programs" as nest0_0 #D3F7F9
+    component "Teacher_Child Ratio Management" as nest0_1 #D3F7F9
+    usecase "Field Trip Organization" as nest0_2 #C9EFEC
+    folder "Infant Care" as nest0_3 #D3F7F9
+}
+rectangle "Parent Communication" as Group1 #F1F8E9 {
+    node "Toddler Activities" as nest1_0 #C9EFEC
+    usecase "Behavior Management" as nest1_1 #D3F7F9
+}
+node "Outdoor Exploration" as N0 #D3F7F9
+folder "Potty Training Assistance" as N1 #D3F7F9
+database "Social Skill Development" as N2 #E1BEE7
+node "Daily Activity Reporting" as N3 #D3F7F9
+folder "Child Protection Policies" as N4 #D3F7F9
+component "Curriculum Planning" as N5 #E1BEE7
+database "Playground Safety Inspection" as N6 #E1BEE7
+database "Preschool Education" as N7 #D3F7F9
+folder "Story Time Reading" as N8 #D3F7F9
+artifact "Diaper Changing" as N9 #D3F7F9
+cloud "Emotional Support" as N10 #E1BEE7
+node "Motor Skill Development" as N11 #C9EFEC
+circle " " as S0 #C9EFEC
+circle " " as S1 #D3F7F9
+circle " " as M0 #E1BEE7
+circle " " as M1 #D3F7F9
+circle " " as M2 #E1BEE7
+N0 -[#6FE1D5]-> N1
+N1 -[#000000]-> N2
+N2 ..[#6FE1D5]..> N3
+N3 -[#000000]-> N4
+N4 ..[#000000]..> N5 : guides
+N5 -[#80DDEA]-> N6
+N6 -[#9C27B0]-> N7
+N7 ..[#9C27B0]..> N8
+N8 -[#000000]-> N9
+N9 ..[#000000]..> N10
+N10 ..[#9C27B0]..> N11
+nest0_0 ..[#6FE1D5]..> nest0_1
+nest0_1 ..[#80DDEA]..> nest0_2
+nest0_2 -[#9C27B0]-> nest0_3
+N5 -[#80DDEA]-> nest0_0
+nest0_3 -[#80DDEA]-> N1
+nest1_0 -[#6FE1D5]-> nest1_1
+N2 -[#80DDEA]-> nest1_0
+nest1_1 ..[#000000]..> N5
+N1 ..[#6FE1D5]..> S0
+S0 -[#000000]-> N11
+S0 -[#80DDEA]-> N8
+S0 ..[#000000]..> N3
+N2 ..[#6FE1D5]..> S1
+S1 -[#80DDEA]-> N11
+S1 -[#9C27B0]-> N10
+N2 ..[#000000]..> M0
+N0 ..[#6FE1D5]..> M0
+N7 -[#9C27B0]-> M0
+M0 ..[#80DDEA]..> N10
+N5 -[#000000]-> M1
+N1 -[#6FE1D5]-> M1
+N4 ..[#6FE1D5]..> M1
+M1 ..[#000000]..> N7
+N1 ..[#000000]..> M2
+N0 ..[#000000]..> M2
+M2 -[#6FE1D5]-> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_142.puml b/test/plantuml/graph_hard/plantuml_142.puml
new file mode 100644
index 0000000000000000000000000000000000000000..6ed09371264665c42429376e766b0914da6abe52
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_142.puml
@@ -0,0 +1,67 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Social Engagement Activities" as Group0 #FCE4EC {
+    database "Chronic Disease Management" as nest0_0 #F0F4C3
+    folder "Nutritional Assessment" as nest0_1 #DED7F0
+    frame "Physical Therapy" as nest0_2 #F0F4C3
+}
+rectangle "Long_Term Care Planning" as Group1 #EDE7F6 {
+    usecase "Memory Care" as nest1_0 #EFE6FF
+    component "Care Plan Development" as nest1_1 #DED7F0
+    database "Palliative Care" as nest1_2 #F0F4C3
+    rectangle "Health Monitoring" as nest1_3 #DED7F0
+}
+database "Smart Home Integration for Seniors" as N0 #EFE6FF
+usecase "Mobility Support" as N1 #F0F4C3
+artifact "Occupational Therapy" as N2 #EFE6FF
+artifact "Community Resource Connection" as N3 #F0F4C3
+artifact "Hospice Care Coordination" as N4 #F0F4C3
+component "Legal Aid Referrals" as N5 #EFE6FF
+frame "Meal Preparation" as N6 #DED7F0
+frame "Incontinence Care" as N7 #DED7F0
+component "Pain Management" as N8 #EFE6FF
+frame "Home Health Aide Services" as N9 #EFE6FF
+database "Recreational Activities Planning" as N10 #EFE6FF
+artifact "Transportation Assistance" as N11 #F0F4C3
+database "Companionship" as N12 #F0F4C3
+cloud "Nursing Care" as N13 #DED7F0
+frame "Emergency Response System Monitoring" as N14 #EFE6FF
+circle " " as S0 #DED7F0
+circle " " as M0 #F0F4C3
+circle " " as M1 #DED7F0
+N0 ..[#000000]..> N1
+N1 -[#000000]-> N2
+N2 -[#A188DB]-> N3
+N3 ..[#A188DB]..> N4
+N4 -[#000000]-> N5
+N5 ..[#AED581]..> N6 : advises
+N6 ..[#C2B2F0]..> N7
+N7 -[#000000]-> N8 : medicates
+N8 ..[#C2B2F0]..> N9
+N9 ..[#AED581]..> N10
+N10 -[#000000]-> N11
+N11 ..[#AED581]..> N12
+N12 ..[#AED581]..> N13
+N13 -[#A188DB]-> N14
+nest0_0 -[#AED581]-> nest0_1 : guides
+nest0_1 ..[#A188DB]..> nest0_2
+N10 -[#C2B2F0]-> nest0_0
+nest0_2 ..[#A188DB]..> N4
+nest1_0 ..[#C2B2F0]..> nest1_1
+nest1_1 ..[#A188DB]..> nest1_2
+nest1_2 ..[#AED581]..> nest1_3
+N4 ..[#C2B2F0]..> nest1_0
+nest1_3 -[#AED581]-> N1
+N8 -[#A188DB]-> S0
+S0 -[#A188DB]-> N13
+S0 ..[#AED581]..> N10
+S0 ..[#AED581]..> N11
+N2 ..[#C2B2F0]..> M0
+N0 -[#A188DB]-> M0
+M0 -[#A188DB]-> N4
+N0 -[#A188DB]-> M1
+N10 -[#000000]-> M1
+M1 -[#A188DB]-> N12
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_142.txt b/test/plantuml/graph_hard/plantuml_142.txt
new file mode 100644
index 0000000000000000000000000000000000000000..26c8780f06035150f27e581d63f3ddb0138f155a
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_142.txt
@@ -0,0 +1,37 @@
+<Care Plan Development, connectedTo, Palliative Care>
+<Care Plan Development, partOf, Long_Term Care Planning>
+<Chronic Disease Management, guides, Nutritional Assessment>
+<Chronic Disease Management, partOf, Social Engagement Activities>
+<Community Resource Connection, connectedTo, Hospice Care Coordination>
+<Companionship, connectedTo, Nursing Care>
+<Health Monitoring, connectedTo, Mobility Support>
+<Health Monitoring, partOf, Long_Term Care Planning>
+<Home Health Aide Services, connectedTo, Recreational Activities Planning>
+<Hospice Care Coordination, connectedTo, Legal Aid Referrals>
+<Hospice Care Coordination, connectedTo, Memory Care>
+<Incontinence Care, medicates, Pain Management>
+<Legal Aid Referrals, advises, Meal Preparation>
+<Meal Preparation, connectedTo, Incontinence Care>
+<Memory Care, connectedTo, Care Plan Development>
+<Memory Care, partOf, Long_Term Care Planning>
+<Mobility Support, connectedTo, Occupational Therapy>
+<Nursing Care, connectedTo, Emergency Response System Monitoring>
+<Nutritional Assessment, connectedTo, Physical Therapy>
+<Nutritional Assessment, partOf, Social Engagement Activities>
+<Occupational Therapy, connectedTo, Community Resource Connection>
+<Occupational Therapy, connectedTo, Hospice Care Coordination>
+<Pain Management, connectedTo, Home Health Aide Services>
+<Pain Management, connectedTo, Nursing Care>
+<Pain Management, connectedTo, Recreational Activities Planning>
+<Pain Management, connectedTo, Transportation Assistance>
+<Palliative Care, connectedTo, Health Monitoring>
+<Palliative Care, partOf, Long_Term Care Planning>
+<Physical Therapy, connectedTo, Hospice Care Coordination>
+<Physical Therapy, partOf, Social Engagement Activities>
+<Recreational Activities Planning, connectedTo, Chronic Disease Management>
+<Recreational Activities Planning, connectedTo, Companionship>
+<Recreational Activities Planning, connectedTo, Transportation Assistance>
+<Smart Home Integration for Seniors, connectedTo, Companionship>
+<Smart Home Integration for Seniors, connectedTo, Hospice Care Coordination>
+<Smart Home Integration for Seniors, connectedTo, Mobility Support>
+<Transportation Assistance, connectedTo, Companionship>
diff --git a/test/plantuml/graph_hard/plantuml_143.puml b/test/plantuml/graph_hard/plantuml_143.puml
new file mode 100644
index 0000000000000000000000000000000000000000..ce4a26f82e63bcc1b187b21ca2c83471c5cd525e
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_143.puml
@@ -0,0 +1,75 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Mobility Support" as Group0 #FBE9E7 {
+    rectangle "Recreational Activities Planning" as nest0_0 #E3F2FD
+    component "Chronic Disease Management" as nest0_1 #DDCEDD
+    usecase "Long_Term Care Planning" as nest0_2 #E3F2FD
+    usecase "Speech Therapy" as nest0_3 #DDCEDD
+}
+rectangle "Palliative Care" as Group1 #FCE4EC {
+    rectangle "Fall Prevention" as nest1_0 #E3F2FD
+    artifact "Physical Therapy" as nest1_1 #E3F2FD
+}
+node "Health Monitoring" as N0 #C9EFEC
+usecase "Financial Management Assistance" as N1 #E3F2FD
+frame "Home Health Aide Services" as N2 #E3F2FD
+frame "Legal Aid Referrals" as N3 #E3F2FD
+cloud "Pain Management" as N4 #C9EFEC
+database "Telehealth for Seniors" as N5 #DDCEDD
+component "Incontinence Care" as N6 #DDCEDD
+frame "Smart Home Integration for Seniors" as N7 #E3F2FD
+cloud "Nutritional Assessment" as N8 #DDCEDD
+folder "Medication Management" as N9 #C9EFEC
+artifact "Rehabilitation Support" as N10 #C9EFEC
+node "Personal Care Assistance" as N11 #E3F2FD
+frame "Meal Preparation" as N12 #C9EFEC
+cloud "Social Engagement Activities" as N13 #E3F2FD
+circle " " as S0 #C9EFEC
+circle " " as S1 #C9EFEC
+circle " " as S2 #E3F2FD
+circle " " as M0 #E3F2FD
+circle " " as M1 #C9EFEC
+N0 -[#AF56A6]-> N1
+N1 -[#6FE1D5]-> N2 : optimizes
+N2 -[#64B5F6]-> N3
+N3 -[#6FE1D5]-> N4
+N4 ..[#6FE1D5]..> N5
+N5 -[#64B5F6]-> N6
+N6 ..[#AF56A6]..> N7
+N7 -[#AF56A6]-> N8
+N8 ..[#AF56A6]..> N9
+N9 ..[#AF56A6]..> N10
+N10 -[#000000]-> N11
+N11 -[#6FE1D5]-> N12
+N12 ..[#000000]..> N13
+nest0_0 ..[#AF56A6]..> nest0_1
+nest0_1 -[#64B5F6]-> nest0_2
+nest0_2 ..[#000000]..> nest0_3
+N1 -[#AF56A6]-> nest0_0
+nest0_3 ..[#000000]..> N8
+nest1_0 -[#6FE1D5]-> nest1_1
+N12 ..[#AF56A6]..> nest1_0
+nest1_1 ..[#6FE1D5]..> N5
+N7 ..[#AF56A6]..> S0
+S0 -[#6FE1D5]-> N11
+S0 ..[#64B5F6]..> N9
+S0 ..[#6FE1D5]..> N12
+N5 -[#AF56A6]-> S1
+S1 ..[#6FE1D5]..> N13 : counsels
+S1 ..[#000000]..> N7
+S1 -[#64B5F6]-> N12
+N1 ..[#AF56A6]..> S2
+S2 ..[#000000]..> N3
+S2 -[#AF56A6]-> N6
+N3 -[#000000]-> M0
+N4 -[#6FE1D5]-> M0
+N2 ..[#64B5F6]..> M0
+N6 -[#000000]-> M0
+M0 ..[#64B5F6]..> N8
+N0 ..[#64B5F6]..> M1
+N2 -[#000000]-> M1
+N7 ..[#000000]..> M1
+M1 -[#64B5F6]-> N13
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_143.txt b/test/plantuml/graph_hard/plantuml_143.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5c62b87a57cf218fb234b0df210ba24b332276cd
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_143.txt
@@ -0,0 +1,42 @@
+<Chronic Disease Management, connectedTo, Long_Term Care Planning>
+<Chronic Disease Management, partOf, Mobility Support>
+<Fall Prevention, connectedTo, Physical Therapy>
+<Fall Prevention, partOf, Palliative Care>
+<Financial Management Assistance, connectedTo, Incontinence Care>
+<Financial Management Assistance, connectedTo, Legal Aid Referrals>
+<Financial Management Assistance, connectedTo, Recreational Activities Planning>
+<Financial Management Assistance, optimizes, Home Health Aide Services>
+<Health Monitoring, connectedTo, Financial Management Assistance>
+<Health Monitoring, connectedTo, Social Engagement Activities>
+<Home Health Aide Services, connectedTo, Legal Aid Referrals>
+<Home Health Aide Services, connectedTo, Nutritional Assessment>
+<Home Health Aide Services, connectedTo, Social Engagement Activities>
+<Incontinence Care, connectedTo, Nutritional Assessment>
+<Incontinence Care, connectedTo, Smart Home Integration for Seniors>
+<Legal Aid Referrals, connectedTo, Nutritional Assessment>
+<Legal Aid Referrals, connectedTo, Pain Management>
+<Long_Term Care Planning, connectedTo, Speech Therapy>
+<Long_Term Care Planning, partOf, Mobility Support>
+<Meal Preparation, connectedTo, Fall Prevention>
+<Meal Preparation, connectedTo, Social Engagement Activities>
+<Medication Management, connectedTo, Rehabilitation Support>
+<Nutritional Assessment, connectedTo, Medication Management>
+<Pain Management, connectedTo, Nutritional Assessment>
+<Pain Management, connectedTo, Telehealth for Seniors>
+<Personal Care Assistance, connectedTo, Meal Preparation>
+<Physical Therapy, connectedTo, Telehealth for Seniors>
+<Physical Therapy, partOf, Palliative Care>
+<Recreational Activities Planning, connectedTo, Chronic Disease Management>
+<Recreational Activities Planning, partOf, Mobility Support>
+<Rehabilitation Support, connectedTo, Personal Care Assistance>
+<Smart Home Integration for Seniors, connectedTo, Meal Preparation>
+<Smart Home Integration for Seniors, connectedTo, Medication Management>
+<Smart Home Integration for Seniors, connectedTo, Nutritional Assessment>
+<Smart Home Integration for Seniors, connectedTo, Personal Care Assistance>
+<Smart Home Integration for Seniors, connectedTo, Social Engagement Activities>
+<Speech Therapy, connectedTo, Nutritional Assessment>
+<Speech Therapy, partOf, Mobility Support>
+<Telehealth for Seniors, connectedTo, Incontinence Care>
+<Telehealth for Seniors, connectedTo, Meal Preparation>
+<Telehealth for Seniors, connectedTo, Smart Home Integration for Seniors>
+<Telehealth for Seniors, counsels, Social Engagement Activities>
diff --git a/test/plantuml/graph_hard/plantuml_144.puml b/test/plantuml/graph_hard/plantuml_144.puml
new file mode 100644
index 0000000000000000000000000000000000000000..33978fea62c6a2db48788d3b0102a908c8e7a2d7
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_144.puml
@@ -0,0 +1,78 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Speech Therapy" as Group0 #ECEFF1 {
+    rectangle "Financial Management Assistance" as nest0_0 #FAEBF3
+    node "Emotional Support and Counseling" as nest0_1 #D0EFEE
+    component "Nutritional Assessment" as nest0_2 #FFECB3
+}
+rectangle "Chronic Disease Management" as Group1 #E0F2F1 {
+    component "Rehabilitation Support" as nest1_0 #FFECB3
+    artifact "Companionship" as nest1_1 #FAEBF3
+}
+database "Occupational Therapy" as N0 #D0EFEE
+cloud "Caregiver Training" as N1 #FAEBF3
+database "Meal Preparation" as N2 #FFECB3
+component "Legal Aid Referrals" as N3 #D0EFEE
+component "Family Communication" as N4 #D0EFEE
+rectangle "Incontinence Care" as N5 #FFECB3
+cloud "Dementia Care" as N6 #D0EFEE
+rectangle "Transportation Assistance" as N7 #FAEBF3
+artifact "Home Health Aide Services" as N8 #FFECB3
+usecase "Pain Management" as N9 #D0EFEE
+usecase "Personal Care Assistance" as N10 #FFECB3
+database "Physical Therapy" as N11 #D0EFEE
+node "Hospice Care Coordination" as N12 #FAEBF3
+rectangle "Care Plan Development" as N13 #FFECB3
+node "Respite Care" as N14 #FAEBF3
+cloud "Medication Management" as N15 #FAEBF3
+folder "Palliative Care" as N16 #D0EFEE
+folder "Social Engagement Activities" as N17 #FFECB3
+database "Long_Term Care Planning" as N18 #FFECB3
+circle " " as S0 #FAEBF3
+circle " " as S1 #FAEBF3
+circle " " as M0 #FAEBF3
+circle " " as M1 #D0EFEE
+N0 -[#FFC107]-> N1 : prevents
+N1 -[#F7BEE0]-> N2
+N2 ..[#FFC107]..> N3 : oversees
+N3 -[#F7BEE0]-> N4
+N4 -[#F7BEE0]-> N5
+N5 ..[#000000]..> N6
+N6 -[#F7BEE0]-> N7
+N7 ..[#F7BEE0]..> N8
+N8 -[#73C6BC]-> N9 : personalizes
+N9 -[#F7BEE0]-> N10
+N10 -[#F7BEE0]-> N11
+N11 ..[#F7BEE0]..> N12
+N12 -[#73C6BC]-> N13
+N13 ..[#000000]..> N14
+N14 ..[#000000]..> N15
+N15 -[#000000]-> N16
+N16 -[#000000]-> N17
+N17 ..[#73C6BC]..> N18
+nest0_0 -[#73C6BC]-> nest0_1 : accompanies
+nest0_1 ..[#73C6BC]..> nest0_2
+N9 -[#FFC107]-> nest0_0
+nest0_2 -[#FFC107]-> N15
+nest1_0 ..[#F7BEE0]..> nest1_1
+N1 -[#000000]-> nest1_0
+nest1_1 -[#000000]-> N2
+N2 -[#73C6BC]-> S0
+S0 -[#FFC107]-> N10
+S0 ..[#73C6BC]..> N13
+S0 -[#F7BEE0]-> N7
+S0 ..[#73C6BC]..> N12
+N15 ..[#FFC107]..> S1
+S1 ..[#000000]..> N17
+S1 -[#FFC107]-> N18
+N4 ..[#73C6BC]..> M0
+N9 ..[#000000]..> M0 : rehabilitates
+N1 -[#FFC107]-> M0 : activates
+N3 -[#000000]-> M0
+M0 -[#000000]-> N11
+N2 -[#FFC107]-> M1
+N0 -[#000000]-> M1
+M1 ..[#FFC107]..> N11
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_144.txt b/test/plantuml/graph_hard/plantuml_144.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c1d7ceeb59bc2c3d98065bedfb48c539ab9f17d0
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_144.txt
@@ -0,0 +1,42 @@
+<Care Plan Development, connectedTo, Respite Care>
+<Caregiver Training, activates, Physical Therapy>
+<Caregiver Training, connectedTo, Meal Preparation>
+<Caregiver Training, connectedTo, Rehabilitation Support>
+<Companionship, connectedTo, Meal Preparation>
+<Companionship, partOf, Chronic Disease Management>
+<Dementia Care, connectedTo, Transportation Assistance>
+<Emotional Support and Counseling, connectedTo, Nutritional Assessment>
+<Emotional Support and Counseling, partOf, Speech Therapy>
+<Family Communication, connectedTo, Incontinence Care>
+<Family Communication, connectedTo, Physical Therapy>
+<Financial Management Assistance, accompanies, Emotional Support and Counseling>
+<Financial Management Assistance, partOf, Speech Therapy>
+<Home Health Aide Services, personalizes, Pain Management>
+<Hospice Care Coordination, connectedTo, Care Plan Development>
+<Incontinence Care, connectedTo, Dementia Care>
+<Legal Aid Referrals, connectedTo, Family Communication>
+<Legal Aid Referrals, connectedTo, Physical Therapy>
+<Meal Preparation, connectedTo, Care Plan Development>
+<Meal Preparation, connectedTo, Hospice Care Coordination>
+<Meal Preparation, connectedTo, Personal Care Assistance>
+<Meal Preparation, connectedTo, Physical Therapy>
+<Meal Preparation, connectedTo, Transportation Assistance>
+<Meal Preparation, oversees, Legal Aid Referrals>
+<Medication Management, connectedTo, Long_Term Care Planning>
+<Medication Management, connectedTo, Palliative Care>
+<Medication Management, connectedTo, Social Engagement Activities>
+<Nutritional Assessment, connectedTo, Medication Management>
+<Nutritional Assessment, partOf, Speech Therapy>
+<Occupational Therapy, connectedTo, Physical Therapy>
+<Occupational Therapy, prevents, Caregiver Training>
+<Pain Management, connectedTo, Financial Management Assistance>
+<Pain Management, connectedTo, Personal Care Assistance>
+<Pain Management, rehabilitates, Physical Therapy>
+<Palliative Care, connectedTo, Social Engagement Activities>
+<Personal Care Assistance, connectedTo, Physical Therapy>
+<Physical Therapy, connectedTo, Hospice Care Coordination>
+<Rehabilitation Support, connectedTo, Companionship>
+<Rehabilitation Support, partOf, Chronic Disease Management>
+<Respite Care, connectedTo, Medication Management>
+<Social Engagement Activities, connectedTo, Long_Term Care Planning>
+<Transportation Assistance, connectedTo, Home Health Aide Services>
diff --git a/test/plantuml/graph_hard/plantuml_145.puml b/test/plantuml/graph_hard/plantuml_145.puml
new file mode 100644
index 0000000000000000000000000000000000000000..724a5e01df20e3a5015e085ebe55ea0f64c25d3f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_145.puml
@@ -0,0 +1,65 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Damage Assessment" as Group0 #FBE9E7 {
+    artifact "International Aid Coordination" as nest0_0 #FFF0CC
+    node "Communication Protocols" as nest0_1 #FFF0CC
+}
+rectangle "Emergency Drills and Exercises" as Group1 #FBE9E7 {
+    artifact "Information Dissemination" as nest1_0 #F9FBE7
+    node "Medical Aid Deployment" as nest1_1 #F9FBE7
+    component "Economic Recovery Initiatives" as nest1_2 #B2EBF2
+}
+usecase "Mitigation Strategies" as N0 #FFF0CC
+component "Early Warning Systems" as N1 #F9FBE7
+rectangle "Hazard Identification" as N2 #B2EBF2
+rectangle "Satellite Imagery Analysis" as N3 #B2EBF2
+rectangle "Policy and Legislation Review" as N4 #F9FBE7
+component "Infrastructure Repair" as N5 #B2EBF2
+rectangle "Risk Assessment" as N6 #FFF0CC
+rectangle "Evacuation Procedures" as N7 #F9FBE7
+folder "Post_Disaster Evaluation" as N8 #F9FBE7
+frame "Environmental Remediation" as N9 #B2EBF2
+circle " " as S0 #B2EBF2
+circle " " as S1 #F9FBE7
+circle " " as S2 #FFF0CC
+circle " " as M0 #FFF0CC
+circle " " as M2 #F9FBE7
+N0 -[#000000]-> N1
+N1 ..[#000000]..> N2 : analyzes
+N2 ..[#00BCD4]..> N3 : enforces
+N3 -[#000000]-> N4
+N4 -[#C0CA33]-> N5
+N5 ..[#FFCC80]..> N6
+N6 ..[#00BCD4]..> N7
+N7 ..[#000000]..> N8
+N8 ..[#00BCD4]..> N9
+nest0_0 ..[#000000]..> nest0_1 : evacuates
+N2 -[#C0CA33]-> nest0_0
+nest0_1 -[#00BCD4]-> N9
+nest1_0 -[#C0CA33]-> nest1_1
+nest1_1 -[#C0CA33]-> nest1_2
+N1 ..[#00BCD4]..> nest1_0
+nest1_2 ..[#000000]..> N1
+N0 ..[#000000]..> S0
+S0 -[#00BCD4]-> N6
+S0 -[#C0CA33]-> N8
+N5 ..[#00BCD4]..> S1
+S1 ..[#FFCC80]..> N7
+S1 ..[#FFCC80]..> N8
+S1 ..[#C0CA33]..> N9 : deploys
+N0 ..[#FFCC80]..> S2
+S2 ..[#FFCC80]..> N9
+S2 -[#C0CA33]-> N2
+N2 ..[#000000]..> M0
+N1 ..[#C0CA33]..> M0 : evaluates
+N3 -[#C0CA33]-> M0
+N0 ..[#000000]..> M0
+M0 -[#C0CA33]-> N5
+N6 ..[#00BCD4]..> M2
+N2 -[#C0CA33]-> M2
+N5 -[#000000]-> M2
+N3 -[#000000]-> M2 : plans
+M2 -[#FFCC80]-> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_145.txt b/test/plantuml/graph_hard/plantuml_145.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d601585043473bf251ec3458de7fd0ae79cfe628
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_145.txt
@@ -0,0 +1,35 @@
+<Communication Protocols, connectedTo, Environmental Remediation>
+<Communication Protocols, partOf, Damage Assessment>
+<Early Warning Systems, analyzes, Hazard Identification>
+<Early Warning Systems, connectedTo, Information Dissemination>
+<Early Warning Systems, evaluates, Infrastructure Repair>
+<Economic Recovery Initiatives, connectedTo, Early Warning Systems>
+<Economic Recovery Initiatives, partOf, Emergency Drills and Exercises>
+<Evacuation Procedures, connectedTo, Post_Disaster Evaluation>
+<Hazard Identification, connectedTo, Infrastructure Repair>
+<Hazard Identification, connectedTo, International Aid Coordination>
+<Hazard Identification, connectedTo, Post_Disaster Evaluation>
+<Hazard Identification, enforces, Satellite Imagery Analysis>
+<Information Dissemination, connectedTo, Medical Aid Deployment>
+<Information Dissemination, partOf, Emergency Drills and Exercises>
+<Infrastructure Repair, connectedTo, Evacuation Procedures>
+<Infrastructure Repair, connectedTo, Post_Disaster Evaluation>
+<Infrastructure Repair, connectedTo, Risk Assessment>
+<Infrastructure Repair, deploys, Environmental Remediation>
+<International Aid Coordination, evacuates, Communication Protocols>
+<International Aid Coordination, partOf, Damage Assessment>
+<Medical Aid Deployment, connectedTo, Economic Recovery Initiatives>
+<Medical Aid Deployment, partOf, Emergency Drills and Exercises>
+<Mitigation Strategies, connectedTo, Early Warning Systems>
+<Mitigation Strategies, connectedTo, Environmental Remediation>
+<Mitigation Strategies, connectedTo, Hazard Identification>
+<Mitigation Strategies, connectedTo, Infrastructure Repair>
+<Mitigation Strategies, connectedTo, Post_Disaster Evaluation>
+<Mitigation Strategies, connectedTo, Risk Assessment>
+<Policy and Legislation Review, connectedTo, Infrastructure Repair>
+<Post_Disaster Evaluation, connectedTo, Environmental Remediation>
+<Risk Assessment, connectedTo, Evacuation Procedures>
+<Risk Assessment, connectedTo, Post_Disaster Evaluation>
+<Satellite Imagery Analysis, connectedTo, Infrastructure Repair>
+<Satellite Imagery Analysis, connectedTo, Policy and Legislation Review>
+<Satellite Imagery Analysis, plans, Post_Disaster Evaluation>
diff --git a/test/plantuml/graph_hard/plantuml_146.puml b/test/plantuml/graph_hard/plantuml_146.puml
new file mode 100644
index 0000000000000000000000000000000000000000..9f7a0c985f3d2d447657741d661f8b89b51ba471
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_146.puml
@@ -0,0 +1,67 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Emergency Drills and Exercises" as Group0 #FBE9E7 {
+    rectangle "Logistics and Supply Chain" as nest0_0 #E8F0FF
+    folder "Cash Transfer Programs" as nest0_1 #E8F0FF
+    database "Volunteer Coordination" as nest0_2 #E8F0FF
+}
+rectangle "Drone Deployment for Assessment" as Group1 #ECEFF1 {
+    node "Post_Disaster Evaluation" as nest1_0 #E8F0FF
+    cloud "Resource Mobilization" as nest1_1 #E8F0FF
+    cloud "Public Awareness Campaigns" as nest1_2 #E8F0FF
+}
+component "Incident Command System" as N0 #E8F0FF
+artifact "Hazard Identification" as N1 #EBEBEB
+cloud "Debris Management" as N2 #E8F0FF
+folder "Reconstruction" as N3 #EBEBEB
+usecase "Mitigation Strategies" as N4 #E8F0FF
+usecase "Early Warning Systems" as N5 #EBEBEB
+folder "Communication Protocols" as N6 #FFDCD6
+component "Emergency Planning" as N7 #E8F0FF
+frame "Resilience Building" as N8 #E8F0FF
+node "Climate Change Adaptation for Disasters" as N9 #FFDCD6
+component "Environmental Remediation" as N10 #FFDCD6
+folder "Medical Aid Deployment" as N11 #E8F0FF
+frame "Evacuation Procedures" as N12 #EBEBEB
+circle " " as S1 #FFDCD6
+circle " " as M0 #E8F0FF
+circle " " as M1 #EBEBEB
+circle " " as M2 #E8F0FF
+N0 -[#A2D0FF]-> N1
+N1 ..[#A2D0FF]..> N2 : reconstructs
+N2 -[#E0E0E0]-> N3
+N3 -[#FFB2A5]-> N4
+N4 ..[#A2D0FF]..> N5
+N5 ..[#FFB2A5]..> N6
+N6 ..[#000000]..> N7
+N7 ..[#A2D0FF]..> N8
+N8 ..[#FFB2A5]..> N9
+N9 -[#000000]-> N10
+N10 ..[#A2D0FF]..> N11
+N11 ..[#000000]..> N12
+nest0_0 ..[#FFB2A5]..> nest0_1
+nest0_1 ..[#E0E0E0]..> nest0_2
+N5 -[#E0E0E0]-> nest0_0
+nest0_2 -[#000000]-> N9
+nest1_0 -[#A2D0FF]-> nest1_1
+nest1_1 -[#A2D0FF]-> nest1_2
+N2 -[#000000]-> nest1_0
+nest1_2 ..[#E0E0E0]..> N8
+N5 ..[#000000]..> S1
+S1 -[#000000]-> N10
+S1 -[#000000]-> N8 : surveys
+S1 -[#A2D0FF]-> N11
+N2 ..[#E0E0E0]..> M0
+N1 -[#000000]-> M0
+N0 -[#000000]-> M0
+M0 -[#000000]-> N4
+N2 -[#A2D0FF]-> M1
+N4 ..[#000000]..> M1
+N0 -[#A2D0FF]-> M1 : plans
+M1 -[#E0E0E0]-> N6
+N3 ..[#FFB2A5]..> M2 : locates
+N0 -[#FFB2A5]-> M2
+M2 -[#FFB2A5]-> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_146.txt b/test/plantuml/graph_hard/plantuml_146.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b175ba6ac8aef28f981d0fc8accd7949048a2e9b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_146.txt
@@ -0,0 +1,37 @@
+<Cash Transfer Programs, connectedTo, Volunteer Coordination>
+<Cash Transfer Programs, partOf, Emergency Drills and Exercises>
+<Climate Change Adaptation for Disasters, connectedTo, Environmental Remediation>
+<Communication Protocols, connectedTo, Emergency Planning>
+<Debris Management, connectedTo, Communication Protocols>
+<Debris Management, connectedTo, Mitigation Strategies>
+<Debris Management, connectedTo, Post_Disaster Evaluation>
+<Debris Management, connectedTo, Reconstruction>
+<Early Warning Systems, connectedTo, Communication Protocols>
+<Early Warning Systems, connectedTo, Environmental Remediation>
+<Early Warning Systems, connectedTo, Logistics and Supply Chain>
+<Early Warning Systems, connectedTo, Medical Aid Deployment>
+<Early Warning Systems, surveys, Resilience Building>
+<Emergency Planning, connectedTo, Resilience Building>
+<Environmental Remediation, connectedTo, Medical Aid Deployment>
+<Hazard Identification, connectedTo, Mitigation Strategies>
+<Hazard Identification, reconstructs, Debris Management>
+<Incident Command System, connectedTo, Early Warning Systems>
+<Incident Command System, connectedTo, Hazard Identification>
+<Incident Command System, connectedTo, Mitigation Strategies>
+<Incident Command System, plans, Communication Protocols>
+<Logistics and Supply Chain, connectedTo, Cash Transfer Programs>
+<Logistics and Supply Chain, partOf, Emergency Drills and Exercises>
+<Medical Aid Deployment, connectedTo, Evacuation Procedures>
+<Mitigation Strategies, connectedTo, Communication Protocols>
+<Mitigation Strategies, connectedTo, Early Warning Systems>
+<Post_Disaster Evaluation, connectedTo, Resource Mobilization>
+<Post_Disaster Evaluation, partOf, Drone Deployment for Assessment>
+<Public Awareness Campaigns, connectedTo, Resilience Building>
+<Public Awareness Campaigns, partOf, Drone Deployment for Assessment>
+<Reconstruction, connectedTo, Mitigation Strategies>
+<Reconstruction, locates, Early Warning Systems>
+<Resilience Building, connectedTo, Climate Change Adaptation for Disasters>
+<Resource Mobilization, connectedTo, Public Awareness Campaigns>
+<Resource Mobilization, partOf, Drone Deployment for Assessment>
+<Volunteer Coordination, connectedTo, Climate Change Adaptation for Disasters>
+<Volunteer Coordination, partOf, Emergency Drills and Exercises>
diff --git a/test/plantuml/graph_hard/plantuml_147.puml b/test/plantuml/graph_hard/plantuml_147.puml
new file mode 100644
index 0000000000000000000000000000000000000000..5531f6393d76abdc3e7d58634d8b8f4349618bc8
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_147.puml
@@ -0,0 +1,75 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Risk Assessment" as Group0 #FBE9E7 {
+    database "Reconstruction" as nest0_0 #B3E5FC
+    artifact "Economic Recovery Initiatives" as nest0_1 #B2EBF2
+}
+rectangle "Community Preparedness" as Group1 #FCE4EC {
+    database "Vulnerability Analysis" as nest1_0 #B2EBF2
+    artifact "Climate Change Adaptation for Disasters" as nest1_1 #B3E5FC
+}
+cloud "Infrastructure Repair" as N0 #E1F5FE
+folder "Incident Command System" as N1 #B3E5FC
+folder "Damage Assessment" as N2 #E1F5FE
+database "Resource Mobilization" as N3 #E1F5FE
+usecase "Evacuation Procedures" as N4 #E1F5FE
+component "Mitigation Strategies" as N5 #B3E5FC
+node "Shelter Management" as N6 #E1F5FE
+rectangle "Cash Transfer Programs" as N7 #E1F5FE
+component "International Aid Coordination" as N8 #E1F5FE
+database "Capacity Building for Local Communities" as N9 #B3E5FC
+cloud "Public Awareness Campaigns" as N10 #E1F5FE
+rectangle "Communication Protocols" as N11 #B3E5FC
+usecase "Emergency Planning" as N12 #B3E5FC
+frame "Emergency Drills and Exercises" as N13 #B2EBF2
+cloud "Hazard Mapping" as N14 #E1F5FE
+node "Drone Deployment for Assessment" as N15 #B3E5FC
+artifact "Policy and Legislation Review" as N16 #E1F5FE
+database "Environmental Remediation" as N17 #B3E5FC
+frame "Recovery Planning" as N18 #B2EBF2
+circle " " as S0 #E1F5FE
+circle " " as S1 #E1F5FE
+circle " " as S2 #E1F5FE
+circle " " as M1 #B2EBF2
+N0 -[#00BCD4]-> N1
+N1 ..[#4FC3F7]..> N2
+N2 ..[#000000]..> N3
+N3 ..[#03A9F4]..> N4
+N4 ..[#00BCD4]..> N5
+N5 -[#000000]-> N6
+N6 -[#03A9F4]-> N7
+N7 ..[#03A9F4]..> N8
+N8 ..[#4FC3F7]..> N9
+N9 -[#03A9F4]-> N10
+N10 -[#00BCD4]-> N11
+N11 -[#03A9F4]-> N12 : distributes
+N12 ..[#00BCD4]..> N13
+N13 -[#4FC3F7]-> N14
+N14 -[#4FC3F7]-> N15
+N15 ..[#000000]..> N16
+N16 ..[#03A9F4]..> N17
+N17 -[#4FC3F7]-> N18 : evaluates
+nest0_0 ..[#4FC3F7]..> nest0_1
+N5 ..[#00BCD4]..> nest0_0 : reports
+nest0_1 -[#03A9F4]-> N2
+nest1_0 -[#4FC3F7]-> nest1_1
+N3 -[#4FC3F7]-> nest1_0
+nest1_1 -[#4FC3F7]-> N1 : mobilizes
+N1 ..[#4FC3F7]..> S0
+S0 ..[#4FC3F7]..> N7
+S0 ..[#4FC3F7]..> N10
+S0 -[#03A9F4]-> N8
+N12 -[#4FC3F7]-> S1
+S1 -[#000000]-> N16
+S1 ..[#000000]..> N14
+S1 -[#03A9F4]-> N17
+N6 -[#03A9F4]-> S2
+S2 ..[#000000]..> N18
+S2 -[#00BCD4]-> N17
+S2 -[#03A9F4]-> N13
+N8 ..[#03A9F4]..> M1
+N6 -[#00BCD4]-> M1
+M1 ..[#000000]..> N18
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_147.txt b/test/plantuml/graph_hard/plantuml_147.txt
new file mode 100644
index 0000000000000000000000000000000000000000..06912fe8056dfba13330897019b2e4f32e21726f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_147.txt
@@ -0,0 +1,38 @@
+<Capacity Building for Local Communities, connectedTo, Public Awareness Campaigns>
+<Cash Transfer Programs, connectedTo, International Aid Coordination>
+<Climate Change Adaptation for Disasters, mobilizes, Incident Command System>
+<Climate Change Adaptation for Disasters, partOf, Community Preparedness>
+<Communication Protocols, distributes, Emergency Planning>
+<Damage Assessment, connectedTo, Resource Mobilization>
+<Drone Deployment for Assessment, connectedTo, Policy and Legislation Review>
+<Economic Recovery Initiatives, connectedTo, Damage Assessment>
+<Economic Recovery Initiatives, partOf, Risk Assessment>
+<Emergency Drills and Exercises, connectedTo, Hazard Mapping>
+<Emergency Planning, connectedTo, Emergency Drills and Exercises>
+<Emergency Planning, connectedTo, Environmental Remediation>
+<Emergency Planning, connectedTo, Hazard Mapping>
+<Emergency Planning, connectedTo, Policy and Legislation Review>
+<Environmental Remediation, evaluates, Recovery Planning>
+<Evacuation Procedures, connectedTo, Mitigation Strategies>
+<Hazard Mapping, connectedTo, Drone Deployment for Assessment>
+<Incident Command System, connectedTo, Cash Transfer Programs>
+<Incident Command System, connectedTo, Damage Assessment>
+<Incident Command System, connectedTo, International Aid Coordination>
+<Incident Command System, connectedTo, Public Awareness Campaigns>
+<Infrastructure Repair, connectedTo, Incident Command System>
+<International Aid Coordination, connectedTo, Capacity Building for Local Communities>
+<International Aid Coordination, connectedTo, Recovery Planning>
+<Mitigation Strategies, connectedTo, Shelter Management>
+<Mitigation Strategies, reports, Reconstruction>
+<Policy and Legislation Review, connectedTo, Environmental Remediation>
+<Public Awareness Campaigns, connectedTo, Communication Protocols>
+<Reconstruction, connectedTo, Economic Recovery Initiatives>
+<Reconstruction, partOf, Risk Assessment>
+<Resource Mobilization, connectedTo, Evacuation Procedures>
+<Resource Mobilization, connectedTo, Vulnerability Analysis>
+<Shelter Management, connectedTo, Cash Transfer Programs>
+<Shelter Management, connectedTo, Emergency Drills and Exercises>
+<Shelter Management, connectedTo, Environmental Remediation>
+<Shelter Management, connectedTo, Recovery Planning>
+<Vulnerability Analysis, connectedTo, Climate Change Adaptation for Disasters>
+<Vulnerability Analysis, partOf, Community Preparedness>
diff --git a/test/plantuml/graph_hard/plantuml_148.puml b/test/plantuml/graph_hard/plantuml_148.puml
new file mode 100644
index 0000000000000000000000000000000000000000..43262756793b0169a9ac3ad390d476c11620ceb2
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_148.puml
@@ -0,0 +1,77 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Military Law" as Group0 #F3E5F5 {
+    rectangle "Specialized Training" as nest0_0 #E3F2FD
+    folder "Air Operations" as nest0_1 #FFF9D4
+    database "Counter_Insurgency Operations" as nest0_2 #FFFAE0
+}
+rectangle "Logistics Support" as Group1 #E8F5E9 {
+    cloud "Joint Exercises" as nest1_0 #FFFAE0
+    frame "Combat Operations" as nest1_1 #FFF9D4
+    node "Intelligence Gathering" as nest1_2 #FFF9D4
+    frame "Equipment Maintenance" as nest1_3 #FFFAE0
+}
+frame "Space Operations" as N0 #E3F2FD
+rectangle "Basic Training" as N1 #E3F2FD
+cloud "Weapon Systems Development" as N2 #E3F2FD
+component "Surveillance" as N3 #E3F2FD
+component "Medical Support" as N4 #FFFAE0
+frame "Electronic Warfare" as N5 #FFFAE0
+frame "Operations Planning" as N6 #FFFAE0
+cloud "Naval Operations" as N7 #E3F2FD
+component "Supply Chain Management" as N8 #FFF9D4
+cloud "Counter_Terrorism Operations" as N9 #FFF9D4
+rectangle "Reconnaissance" as N10 #FFFAE0
+node "Military Strategy Development" as N11 #FFFAE0
+component "Rules of Engagement" as N12 #FFF9D4
+usecase "Civil_Military Cooperation" as N13 #FFFAE0
+node "Cyber Warfare Operations" as N14 #FFF9D4
+folder "Troop Deployment" as N15 #E3F2FD
+rectangle "Disaster Relief Deployment" as N16 #FFF9D4
+folder "Recruitment" as N17 #FFFAE0
+circle " " as S0 #E3F2FD
+circle " " as S1 #FFFAE0
+circle " " as M1 #FFFAE0
+N0 ..[#FFE69C]..> N1
+N1 -[#FFE69C]-> N2
+N2 ..[#000000]..> N3
+N3 ..[#64B5F6]..> N4
+N4 -[#FFE470]-> N5
+N5 ..[#FFE69C]..> N6
+N6 -[#FFE470]-> N7 : deploys
+N7 ..[#FFE470]..> N8
+N8 -[#000000]-> N9 : develops
+N9 ..[#FFE470]..> N10
+N10 -[#FFE470]-> N11
+N11 -[#FFE69C]-> N12
+N12 ..[#000000]..> N13
+N13 ..[#FFE69C]..> N14
+N14 -[#64B5F6]-> N15
+N15 ..[#FFE69C]..> N16
+N16 -[#FFE69C]-> N17
+nest0_0 -[#000000]-> nest0_1
+nest0_1 ..[#FFE69C]..> nest0_2
+N10 -[#000000]-> nest0_0
+nest0_2 -[#000000]-> N8
+nest1_0 ..[#FFE69C]..> nest1_1
+nest1_1 -[#FFE69C]-> nest1_2 : trains
+nest1_2 ..[#FFE69C]..> nest1_3 : plans
+N5 ..[#000000]..> nest1_0
+nest1_3 -[#FFE470]-> N4
+N8 -[#FFE69C]-> S0
+S0 ..[#000000]..> N13
+S0 ..[#FFE470]..> N17
+S0 ..[#FFE470]..> N14 : maintains
+S0 ..[#000000]..> N11 : reports
+N2 ..[#FFE69C]..> S1
+S1 -[#FFE470]-> N12
+S1 -[#64B5F6]-> N4
+S1 -[#64B5F6]-> N17
+S1 -[#64B5F6]-> N7
+N1 ..[#64B5F6]..> M1
+N4 ..[#FFE69C]..> M1
+N2 ..[#FFE470]..> M1 : detains
+M1 ..[#FFE69C]..> N14
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_148.txt b/test/plantuml/graph_hard/plantuml_148.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e8e53ea751d306bf4b0fee98cf9be2465770d2b8
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_148.txt
@@ -0,0 +1,44 @@
+<Air Operations, connectedTo, Counter_Insurgency Operations>
+<Air Operations, partOf, Military Law>
+<Basic Training, connectedTo, Cyber Warfare Operations>
+<Basic Training, connectedTo, Weapon Systems Development>
+<Civil_Military Cooperation, connectedTo, Cyber Warfare Operations>
+<Combat Operations, partOf, Logistics Support>
+<Combat Operations, trains, Intelligence Gathering>
+<Counter_Insurgency Operations, connectedTo, Supply Chain Management>
+<Counter_Insurgency Operations, partOf, Military Law>
+<Counter_Terrorism Operations, connectedTo, Reconnaissance>
+<Cyber Warfare Operations, connectedTo, Troop Deployment>
+<Disaster Relief Deployment, connectedTo, Recruitment>
+<Electronic Warfare, connectedTo, Joint Exercises>
+<Electronic Warfare, connectedTo, Operations Planning>
+<Equipment Maintenance, connectedTo, Medical Support>
+<Equipment Maintenance, partOf, Logistics Support>
+<Intelligence Gathering, partOf, Logistics Support>
+<Intelligence Gathering, plans, Equipment Maintenance>
+<Joint Exercises, connectedTo, Combat Operations>
+<Joint Exercises, partOf, Logistics Support>
+<Medical Support, connectedTo, Cyber Warfare Operations>
+<Medical Support, connectedTo, Electronic Warfare>
+<Military Strategy Development, connectedTo, Rules of Engagement>
+<Naval Operations, connectedTo, Supply Chain Management>
+<Operations Planning, deploys, Naval Operations>
+<Reconnaissance, connectedTo, Military Strategy Development>
+<Reconnaissance, connectedTo, Specialized Training>
+<Rules of Engagement, connectedTo, Civil_Military Cooperation>
+<Space Operations, connectedTo, Basic Training>
+<Specialized Training, connectedTo, Air Operations>
+<Specialized Training, partOf, Military Law>
+<Supply Chain Management, connectedTo, Civil_Military Cooperation>
+<Supply Chain Management, connectedTo, Recruitment>
+<Supply Chain Management, develops, Counter_Terrorism Operations>
+<Supply Chain Management, maintains, Cyber Warfare Operations>
+<Supply Chain Management, reports, Military Strategy Development>
+<Surveillance, connectedTo, Medical Support>
+<Troop Deployment, connectedTo, Disaster Relief Deployment>
+<Weapon Systems Development, connectedTo, Medical Support>
+<Weapon Systems Development, connectedTo, Naval Operations>
+<Weapon Systems Development, connectedTo, Recruitment>
+<Weapon Systems Development, connectedTo, Rules of Engagement>
+<Weapon Systems Development, connectedTo, Surveillance>
+<Weapon Systems Development, detains, Cyber Warfare Operations>
diff --git a/test/plantuml/graph_hard/plantuml_149.puml b/test/plantuml/graph_hard/plantuml_149.puml
new file mode 100644
index 0000000000000000000000000000000000000000..4b5d736f65290c9b1906149a7b2031597308a84e
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_149.puml
@@ -0,0 +1,81 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Recruitment" as Group0 #FFF3E0 {
+    rectangle "Disaster Relief Deployment" as nest0_0 #E0F2F1
+    folder "Military Law" as nest0_1 #E1F5FE
+}
+rectangle "Force Projection" as Group1 #F1F8E9 {
+    folder "Civil_Military Cooperation" as nest1_0 #E0F2F1
+    component "Crisis Management" as nest1_1 #E0F2F1
+    folder "Equipment Maintenance" as nest1_2 #E1F5FE
+}
+artifact "Family Support Programs" as N0 #EFE6FF
+database "Joint Exercises" as N1 #EFE6FF
+folder "Demobilization" as N2 #E1F5FE
+frame "Naval Operations" as N3 #EFE6FF
+cloud "Veteran Support" as N4 #E1F5FE
+folder "Cyber Warfare Operations" as N5 #E0F2F1
+usecase "Specialized Training" as N6 #E0F2F1
+cloud "Counter_Terrorism Operations" as N7 #E1F5FE
+node "Air Operations" as N8 #E0F2F1
+folder "Combat Operations" as N9 #E0F2F1
+folder "Military Strategy Development" as N10 #E0F2F1
+artifact "Intelligence Gathering" as N11 #E0F2F1
+frame "Targeting" as N12 #E0F2F1
+artifact "Surveillance" as N13 #E0F2F1
+folder "Operations Planning" as N14 #E0F2F1
+rectangle "Troop Deployment" as N15 #E1F5FE
+rectangle "Peacekeeping Missions" as N16 #E1F5FE
+circle " " as S0 #EFE6FF
+circle " " as S1 #E1F5FE
+circle " " as M0 #E0F2F1
+circle " " as M1 #E1F5FE
+circle " " as M2 #E0F2F1
+N0 -[#4DB6AC]-> N1
+N1 -[#000000]-> N2
+N2 -[#4DB6AC]-> N3
+N3 ..[#4FC3F7]..> N4
+N4 ..[#4FC3F7]..> N5
+N5 -[#000000]-> N6
+N6 ..[#C2B2F0]..> N7
+N7 -[#4FC3F7]-> N8
+N8 -[#4DB6AC]-> N9
+N9 ..[#4DB6AC]..> N10
+N10 ..[#4FC3F7]..> N11
+N11 ..[#4DB6AC]..> N12
+N12 -[#000000]-> N13
+N13 ..[#000000]..> N14
+N14 ..[#4FC3F7]..> N15
+N15 -[#C2B2F0]-> N16
+nest0_0 -[#4DB6AC]-> nest0_1
+N6 ..[#C2B2F0]..> nest0_0
+nest0_1 -[#4DB6AC]-> N14
+nest1_0 -[#4DB6AC]-> nest1_1
+nest1_1 -[#000000]-> nest1_2
+N9 ..[#C2B2F0]..> nest1_0
+nest1_2 ..[#4DB6AC]..> N9
+N6 -[#4DB6AC]-> S0
+S0 -[#4DB6AC]-> N11
+S0 -[#4FC3F7]-> N15
+S0 ..[#000000]..> N13
+N2 -[#4FC3F7]-> S1
+S1 -[#4FC3F7]-> N11
+S1 -[#000000]-> N7
+S1 -[#4DB6AC]-> N15
+S1 ..[#4DB6AC]..> N8 : rescues
+N2 -[#4DB6AC]-> M0
+N1 ..[#4FC3F7]..> M0
+N3 ..[#000000]..> M0
+M0 ..[#000000]..> N5
+N12 ..[#4DB6AC]..> M1
+N2 ..[#4DB6AC]..> M1
+N11 -[#C2B2F0]-> M1
+N5 -[#000000]-> M1
+M1 -[#4FC3F7]-> N14
+N5 ..[#4DB6AC]..> M2
+N1 ..[#000000]..> M2
+N3 -[#4FC3F7]-> M2
+M2 ..[#C2B2F0]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_149.txt b/test/plantuml/graph_hard/plantuml_149.txt
new file mode 100644
index 0000000000000000000000000000000000000000..92247a6c509a5b4bebac5f47481418bb3b61af91
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_149.txt
@@ -0,0 +1,45 @@
+<Air Operations, connectedTo, Combat Operations>
+<Civil_Military Cooperation, connectedTo, Crisis Management>
+<Civil_Military Cooperation, partOf, Force Projection>
+<Combat Operations, connectedTo, Civil_Military Cooperation>
+<Combat Operations, connectedTo, Military Strategy Development>
+<Counter_Terrorism Operations, connectedTo, Air Operations>
+<Crisis Management, connectedTo, Equipment Maintenance>
+<Crisis Management, partOf, Force Projection>
+<Cyber Warfare Operations, connectedTo, Air Operations>
+<Cyber Warfare Operations, connectedTo, Operations Planning>
+<Cyber Warfare Operations, connectedTo, Specialized Training>
+<Demobilization, connectedTo, Counter_Terrorism Operations>
+<Demobilization, connectedTo, Cyber Warfare Operations>
+<Demobilization, connectedTo, Intelligence Gathering>
+<Demobilization, connectedTo, Naval Operations>
+<Demobilization, connectedTo, Operations Planning>
+<Demobilization, connectedTo, Troop Deployment>
+<Demobilization, rescues, Air Operations>
+<Disaster Relief Deployment, connectedTo, Military Law>
+<Disaster Relief Deployment, partOf, Recruitment>
+<Equipment Maintenance, connectedTo, Combat Operations>
+<Equipment Maintenance, partOf, Force Projection>
+<Family Support Programs, connectedTo, Joint Exercises>
+<Intelligence Gathering, connectedTo, Operations Planning>
+<Intelligence Gathering, connectedTo, Targeting>
+<Joint Exercises, connectedTo, Air Operations>
+<Joint Exercises, connectedTo, Cyber Warfare Operations>
+<Joint Exercises, connectedTo, Demobilization>
+<Military Law, connectedTo, Operations Planning>
+<Military Law, partOf, Recruitment>
+<Military Strategy Development, connectedTo, Intelligence Gathering>
+<Naval Operations, connectedTo, Air Operations>
+<Naval Operations, connectedTo, Cyber Warfare Operations>
+<Naval Operations, connectedTo, Veteran Support>
+<Operations Planning, connectedTo, Troop Deployment>
+<Specialized Training, connectedTo, Counter_Terrorism Operations>
+<Specialized Training, connectedTo, Disaster Relief Deployment>
+<Specialized Training, connectedTo, Intelligence Gathering>
+<Specialized Training, connectedTo, Surveillance>
+<Specialized Training, connectedTo, Troop Deployment>
+<Surveillance, connectedTo, Operations Planning>
+<Targeting, connectedTo, Operations Planning>
+<Targeting, connectedTo, Surveillance>
+<Troop Deployment, connectedTo, Peacekeeping Missions>
+<Veteran Support, connectedTo, Cyber Warfare Operations>
diff --git a/test/plantuml/graph_hard/plantuml_15.puml b/test/plantuml/graph_hard/plantuml_15.puml
new file mode 100644
index 0000000000000000000000000000000000000000..230af529079c188a4e60ef10b2664b6d18a6d7dd
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_15.puml
@@ -0,0 +1,77 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Gift Card Purchase" as Group0 #FCE4EC {
+    node "Supplier Onboarding" as nest0_0 #FBE9E7
+    artifact "Social Media Integration" as nest0_1 #C8E6C9
+    folder "A or B Testing" as nest0_2 #FBE9E7
+}
+rectangle "Add to Cart" as Group1 #FBE9E7 {
+    database "Order Confirmation" as nest1_0 #E0E6E9
+    folder "Customer Review" as nest1_1 #E0E6E9
+    folder "Return Merchandise Authorization" as nest1_2 #FBE9E7
+}
+database "Package Return" as N0 #C8E6C9
+database "Checkout" as N1 #C8E6C9
+cloud "Subscription Service" as N2 #E0E6E9
+folder "Affiliate Marketing" as N3 #C8E6C9
+folder "Cross_selling Recommendation" as N4 #FBE9E7
+folder "Mobile App Interaction" as N5 #FBE9E7
+artifact "Payment" as N6 #C8E6C9
+rectangle "Search Engine Optimization" as N7 #C8E6C9
+frame "Cart Abandonment" as N8 #FBE9E7
+folder "Fraud Detection" as N9 #FBE9E7
+folder "Payment Gateway Reconciliation" as N10 #C8E6C9
+folder "Delivery Rescheduling" as N11 #FBE9E7
+database "Customer Segmentation" as N12 #FBE9E7
+artifact "Product Recommendation" as N13 #C8E6C9
+database "Shipment" as N14 #FBE9E7
+cloud "Price Adjustment" as N15 #FBE9E7
+circle " " as S0 #FBE9E7
+circle " " as S1 #C8E6C9
+circle " " as S2 #C8E6C9
+circle " " as M0 #C8E6C9
+circle " " as M1 #C8E6C9
+N0 ..[#000000]..> N1
+N1 ..[#000000]..> N2
+N2 -[#AABEC6]-> N3
+N3 ..[#AABEC6]..> N4
+N4 ..[#000000]..> N5
+N5 -[#AABEC6]-> N6
+N6 -[#FF8A65]-> N7
+N7 ..[#FF8A65]..> N8
+N8 ..[#FF8A65]..> N9
+N9 ..[#AABEC6]..> N10
+N10 -[#FF8A65]-> N11
+N11 -[#AABEC6]-> N12
+N12 ..[#FF8A65]..> N13
+N13 -[#AABEC6]-> N14
+N14 -[#FF8A65]-> N15
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 ..[#AABEC6]..> nest0_2
+N7 -[#000000]-> nest0_0
+nest0_2 -[#000000]-> N7
+nest1_0 ..[#388E3C]..> nest1_1
+nest1_1 ..[#AABEC6]..> nest1_2
+N10 ..[#388E3C]..> nest1_0
+nest1_2 -[#000000]-> N13
+N4 ..[#388E3C]..> S0
+S0 -[#FF8A65]-> N7
+S0 -[#388E3C]-> N15
+S0 ..[#AABEC6]..> N8
+N6 -[#AABEC6]-> S1
+S1 -[#FF8A65]-> N11
+S1 -[#000000]-> N8
+S1 -[#FF8A65]-> N9
+N4 ..[#AABEC6]..> S2
+S2 -[#AABEC6]-> N7
+S2 ..[#AABEC6]..> N12
+S2 -[#AABEC6]-> N8
+N1 ..[#AABEC6]..> M0
+N0 ..[#FF8A65]..> M0 : fulfills
+M0 ..[#000000]..> N4
+N3 ..[#388E3C]..> M1
+N1 ..[#AABEC6]..> M1 : analyzes
+M1 ..[#FF8A65]..> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_15.txt b/test/plantuml/graph_hard/plantuml_15.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c1aaed05c264d1708615d289538e54c83b35bd22
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_15.txt
@@ -0,0 +1,40 @@
+<A or B Testing, connectedTo, Search Engine Optimization>
+<A or B Testing, partOf, Gift Card Purchase>
+<Affiliate Marketing, connectedTo, Cross_selling Recommendation>
+<Affiliate Marketing, connectedTo, Search Engine Optimization>
+<Cart Abandonment, connectedTo, Fraud Detection>
+<Checkout, analyzes, Search Engine Optimization>
+<Checkout, connectedTo, Cross_selling Recommendation>
+<Checkout, connectedTo, Subscription Service>
+<Cross_selling Recommendation, connectedTo, Cart Abandonment>
+<Cross_selling Recommendation, connectedTo, Customer Segmentation>
+<Cross_selling Recommendation, connectedTo, Mobile App Interaction>
+<Cross_selling Recommendation, connectedTo, Price Adjustment>
+<Cross_selling Recommendation, connectedTo, Search Engine Optimization>
+<Customer Review, connectedTo, Return Merchandise Authorization>
+<Customer Review, partOf, Add to Cart>
+<Customer Segmentation, connectedTo, Product Recommendation>
+<Delivery Rescheduling, connectedTo, Customer Segmentation>
+<Fraud Detection, connectedTo, Payment Gateway Reconciliation>
+<Mobile App Interaction, connectedTo, Payment>
+<Order Confirmation, connectedTo, Customer Review>
+<Order Confirmation, partOf, Add to Cart>
+<Package Return, connectedTo, Checkout>
+<Package Return, fulfills, Cross_selling Recommendation>
+<Payment, connectedTo, Cart Abandonment>
+<Payment, connectedTo, Delivery Rescheduling>
+<Payment, connectedTo, Fraud Detection>
+<Payment, connectedTo, Search Engine Optimization>
+<Payment Gateway Reconciliation, connectedTo, Delivery Rescheduling>
+<Payment Gateway Reconciliation, connectedTo, Order Confirmation>
+<Product Recommendation, connectedTo, Shipment>
+<Return Merchandise Authorization, connectedTo, Product Recommendation>
+<Return Merchandise Authorization, partOf, Add to Cart>
+<Search Engine Optimization, connectedTo, Cart Abandonment>
+<Search Engine Optimization, connectedTo, Supplier Onboarding>
+<Shipment, connectedTo, Price Adjustment>
+<Social Media Integration, connectedTo, A or B Testing>
+<Social Media Integration, partOf, Gift Card Purchase>
+<Subscription Service, connectedTo, Affiliate Marketing>
+<Supplier Onboarding, connectedTo, Social Media Integration>
+<Supplier Onboarding, partOf, Gift Card Purchase>
diff --git a/test/plantuml/graph_hard/plantuml_150.puml b/test/plantuml/graph_hard/plantuml_150.puml
new file mode 100644
index 0000000000000000000000000000000000000000..1c3753d5cf6cfc9a62bf8dc4db6c5f3a1db2ef08
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_150.puml
@@ -0,0 +1,71 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Logistics Support" as Group0 #FFF3E0 {
+    usecase "Force Projection" as nest0_0 #C9EFEC
+    component "Peacekeeping Missions" as nest0_1 #ECCFF5
+    node "Combat Operations" as nest0_2 #F1F8E9
+}
+rectangle "Naval Operations" as Group1 #E0F2F1 {
+    component "Counter_Insurgency Operations" as nest1_0 #F1F8E9
+    folder "Disaster Relief Deployment" as nest1_1 #C9EFEC
+    cloud "Intelligence Gathering" as nest1_2 #ECCFF5
+    folder "Troop Deployment" as nest1_3 #ECCFF5
+}
+frame "Readiness Assessment" as N0 #C9EFEC
+rectangle "Specialized Training" as N1 #ECCFF5
+node "Supply Chain Management" as N2 #ECCFF5
+folder "Weapon Systems Development" as N3 #F1F8E9
+frame "Medical Support" as N4 #ECCFF5
+node "Family Support Programs" as N5 #F1F8E9
+folder "Equipment Maintenance" as N6 #ECCFF5
+database "Counter_Terrorism Operations" as N7 #F1F8E9
+artifact "Crisis Management" as N8 #F1F8E9
+rectangle "Military Law" as N9 #F1F8E9
+database "Recruitment" as N10 #C9EFEC
+usecase "Demobilization" as N11 #F1F8E9
+cloud "Air Operations" as N12 #ECCFF5
+component "Electronic Warfare" as N13 #F1F8E9
+artifact "Chaplain Services" as N14 #C9EFEC
+usecase "Reconnaissance" as N15 #C9EFEC
+folder "Ground Operations" as N16 #C9EFEC
+circle " " as S1 #ECCFF5
+circle " " as M0 #ECCFF5
+N0 ..[#000000]..> N1
+N1 -[#CD8FF2]-> N2
+N2 ..[#388E3C]..> N3
+N3 -[#388E3C]-> N4
+N4 ..[#000000]..> N5
+N5 ..[#000000]..> N6
+N6 -[#CD8FF2]-> N7
+N7 -[#388E3C]-> N8
+N8 -[#CD8FF2]-> N9
+N9 ..[#388E3C]..> N10
+N10 ..[#CD8FF2]..> N11
+N11 ..[#6FE1D5]..> N12
+N12 -[#6FE1D5]-> N13
+N13 -[#388E3C]-> N14
+N14 -[#CD8FF2]-> N15
+N15 ..[#388E3C]..> N16
+nest0_0 ..[#6FE1D5]..> nest0_1
+nest0_1 -[#000000]-> nest0_2
+N1 -[#6FE1D5]-> nest0_0
+nest0_2 ..[#6FE1D5]..> N13
+nest1_0 -[#CD8FF2]-> nest1_1 : deploys
+nest1_1 ..[#CD8FF2]..> nest1_2
+nest1_2 ..[#388E3C]..> nest1_3
+N3 ..[#000000]..> nest1_0
+nest1_3 -[#6FE1D5]-> N14
+N12 -[#000000]-> S1
+S1 ..[#388E3C]..> N16 : commands
+S1 ..[#CD8FF2]..> N15
+N4 ..[#388E3C]..> M0
+N9 -[#6FE1D5]-> M0
+N2 -[#000000]-> M0
+M0 ..[#6FE1D5]..> N11
+N3 ..[#388E3C]..> N2
+nest1_2 ..[#000000]..> N8
+N5 ..[#6FE1D5]..> nest1_2
+N1 -[#CD8FF2]-> N0
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_150.txt b/test/plantuml/graph_hard/plantuml_150.txt
new file mode 100644
index 0000000000000000000000000000000000000000..12d879565e727ca0663fb508b5f2d99df5ceb3a0
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_150.txt
@@ -0,0 +1,41 @@
+<Air Operations, commands, Ground Operations>
+<Air Operations, connectedTo, Electronic Warfare>
+<Air Operations, connectedTo, Reconnaissance>
+<Chaplain Services, connectedTo, Reconnaissance>
+<Combat Operations, connectedTo, Electronic Warfare>
+<Combat Operations, partOf, Logistics Support>
+<Counter_Insurgency Operations, deploys, Disaster Relief Deployment>
+<Counter_Insurgency Operations, partOf, Naval Operations>
+<Counter_Terrorism Operations, connectedTo, Crisis Management>
+<Crisis Management, connectedTo, Military Law>
+<Demobilization, connectedTo, Air Operations>
+<Disaster Relief Deployment, connectedTo, Intelligence Gathering>
+<Disaster Relief Deployment, partOf, Naval Operations>
+<Electronic Warfare, connectedTo, Chaplain Services>
+<Equipment Maintenance, connectedTo, Counter_Terrorism Operations>
+<Family Support Programs, connectedTo, Equipment Maintenance>
+<Family Support Programs, connectedTo, Intelligence Gathering>
+<Force Projection, connectedTo, Peacekeeping Missions>
+<Force Projection, partOf, Logistics Support>
+<Intelligence Gathering, connectedTo, Crisis Management>
+<Intelligence Gathering, connectedTo, Troop Deployment>
+<Intelligence Gathering, partOf, Naval Operations>
+<Medical Support, connectedTo, Demobilization>
+<Medical Support, connectedTo, Family Support Programs>
+<Military Law, connectedTo, Demobilization>
+<Military Law, connectedTo, Recruitment>
+<Peacekeeping Missions, connectedTo, Combat Operations>
+<Peacekeeping Missions, partOf, Logistics Support>
+<Readiness Assessment, connectedTo, Specialized Training>
+<Reconnaissance, connectedTo, Ground Operations>
+<Recruitment, connectedTo, Demobilization>
+<Specialized Training, connectedTo, Force Projection>
+<Specialized Training, connectedTo, Readiness Assessment>
+<Specialized Training, connectedTo, Supply Chain Management>
+<Supply Chain Management, connectedTo, Demobilization>
+<Supply Chain Management, connectedTo, Weapon Systems Development>
+<Troop Deployment, connectedTo, Chaplain Services>
+<Troop Deployment, partOf, Naval Operations>
+<Weapon Systems Development, connectedTo, Counter_Insurgency Operations>
+<Weapon Systems Development, connectedTo, Medical Support>
+<Weapon Systems Development, connectedTo, Supply Chain Management>
diff --git a/test/plantuml/graph_hard/plantuml_151.puml b/test/plantuml/graph_hard/plantuml_151.puml
new file mode 100644
index 0000000000000000000000000000000000000000..f48bd523e487dd7631c88a06d90965d650173605
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_151.puml
@@ -0,0 +1,71 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Aerospace Engineering" as Group0 #E0F2F1 {
+    database "Crew Scheduling" as nest0_0 #E6EE9C
+    rectangle "Aviation Safety Investigation" as nest0_1 #FFFDE7
+    folder "Aircraft De_icing" as nest0_2 #E6EE9C
+}
+rectangle "Passenger Boarding" as Group1 #E0F2F1 {
+    node "Airport Security Management" as nest1_0 #FFFDE7
+    usecase "Emergency Procedures Training" as nest1_1 #E6EE9C
+    usecase "Flight Planning" as nest1_2 #FFFDE7
+}
+frame "Airport Operations" as N0 #E6EE9C
+artifact "Unmanned Aerial Vehicle Integration" as N1 #FFFDE7
+folder "Aircraft Maintenance" as N2 #E6EE9C
+folder "Security Screening" as N3 #FFFDE7
+artifact "Remote Tower Operations" as N4 #FFE88D
+rectangle "Air Traffic Control" as N5 #E6EE9C
+database "Navigation System Check" as N6 #E6EE9C
+rectangle "Crew Resource Management" as N7 #FFE88D
+rectangle "Delay Management" as N8 #E6EE9C
+database "Flight Simulation" as N9 #FFFDE7
+node "Airworthiness Certification" as N10 #FFE88D
+folder "Airspace Management" as N11 #FFE88D
+component "Noise Abatement Procedures" as N12 #FFFDE7
+circle " " as S0 #FFFDE7
+circle " " as S1 #FFFDE7
+circle " " as S2 #E6EE9C
+circle " " as M0 #FFE88D
+circle " " as M1 #E6EE9C
+N0 ..[#CDDC39]..> N1
+N1 -[#CDDC39]-> N2 : routes
+N2 -[#FFDA4E]-> N3
+N3 ..[#FFF176]..> N4
+N4 ..[#FFF176]..> N5
+N5 -[#FFF176]-> N6
+N6 ..[#FFF176]..> N7 : controls
+N7 ..[#CDDC39]..> N8
+N8 ..[#FFF176]..> N9
+N9 -[#FFDA4E]-> N10
+N10 -[#000000]-> N11
+N11 -[#000000]-> N12
+nest0_0 ..[#CDDC39]..> nest0_1
+nest0_1 ..[#CDDC39]..> nest0_2
+N11 -[#CDDC39]-> nest0_0
+nest0_2 ..[#FFDA4E]..> N2
+nest1_0 -[#FFDA4E]-> nest1_1
+nest1_1 -[#000000]-> nest1_2
+N3 ..[#FFF176]..> nest1_0
+nest1_2 -[#CDDC39]-> N5
+N6 -[#CDDC39]-> S0
+S0 ..[#FFDA4E]..> N10
+S0 -[#000000]-> N8
+S0 -[#000000]-> N9
+S0 -[#CDDC39]-> N11
+N9 -[#FFDA4E]-> S1
+S1 -[#FFF176]-> N11
+S1 ..[#FFF176]..> N12
+N3 -[#FFF176]-> S2
+S2 ..[#FFDA4E]..> N8
+S2 ..[#FFF176]..> N11
+S2 ..[#FFF176]..> N10
+N9 ..[#FFF176]..> M0
+N7 -[#CDDC39]-> M0
+M0 -[#FFDA4E]-> N11
+N5 ..[#FFF176]..> M1
+N0 ..[#FFF176]..> M1
+M1 -[#000000]-> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_151.txt b/test/plantuml/graph_hard/plantuml_151.txt
new file mode 100644
index 0000000000000000000000000000000000000000..244a971b0cdf0dc144b5c9329d5edcfc14a92bac
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_151.txt
@@ -0,0 +1,38 @@
+<Air Traffic Control, connectedTo, Flight Simulation>
+<Air Traffic Control, connectedTo, Navigation System Check>
+<Aircraft De_icing, connectedTo, Aircraft Maintenance>
+<Aircraft De_icing, partOf, Aerospace Engineering>
+<Aircraft Maintenance, connectedTo, Security Screening>
+<Airport Operations, connectedTo, Flight Simulation>
+<Airport Operations, connectedTo, Unmanned Aerial Vehicle Integration>
+<Airport Security Management, connectedTo, Emergency Procedures Training>
+<Airport Security Management, partOf, Passenger Boarding>
+<Airspace Management, connectedTo, Crew Scheduling>
+<Airspace Management, connectedTo, Noise Abatement Procedures>
+<Airworthiness Certification, connectedTo, Airspace Management>
+<Aviation Safety Investigation, connectedTo, Aircraft De_icing>
+<Aviation Safety Investigation, partOf, Aerospace Engineering>
+<Crew Resource Management, connectedTo, Airspace Management>
+<Crew Resource Management, connectedTo, Delay Management>
+<Crew Scheduling, connectedTo, Aviation Safety Investigation>
+<Crew Scheduling, partOf, Aerospace Engineering>
+<Delay Management, connectedTo, Flight Simulation>
+<Emergency Procedures Training, connectedTo, Flight Planning>
+<Emergency Procedures Training, partOf, Passenger Boarding>
+<Flight Planning, connectedTo, Air Traffic Control>
+<Flight Planning, partOf, Passenger Boarding>
+<Flight Simulation, connectedTo, Airspace Management>
+<Flight Simulation, connectedTo, Airworthiness Certification>
+<Flight Simulation, connectedTo, Noise Abatement Procedures>
+<Navigation System Check, connectedTo, Airspace Management>
+<Navigation System Check, connectedTo, Airworthiness Certification>
+<Navigation System Check, connectedTo, Delay Management>
+<Navigation System Check, connectedTo, Flight Simulation>
+<Navigation System Check, controls, Crew Resource Management>
+<Remote Tower Operations, connectedTo, Air Traffic Control>
+<Security Screening, connectedTo, Airport Security Management>
+<Security Screening, connectedTo, Airspace Management>
+<Security Screening, connectedTo, Airworthiness Certification>
+<Security Screening, connectedTo, Delay Management>
+<Security Screening, connectedTo, Remote Tower Operations>
+<Unmanned Aerial Vehicle Integration, routes, Aircraft Maintenance>
diff --git a/test/plantuml/graph_hard/plantuml_152.puml b/test/plantuml/graph_hard/plantuml_152.puml
new file mode 100644
index 0000000000000000000000000000000000000000..333013cbeb52fd93a2f9f43bf7a41aafc3f967b0
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_152.puml
@@ -0,0 +1,61 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Emergency Procedures Training" as Group0 #ECEFF1 {
+    artifact "Regulatory Compliance" as nest0_0 #ECF0FD
+    database "Cargo Loading" as nest0_1 #B3E5FC
+}
+rectangle "Passenger Check_in" as Group1 #E3F2FD {
+    folder "Airport Operations" as nest1_0 #D1C4E9
+    node "Fleet Management" as nest1_1 #B3E5FC
+    cloud "Gate Assignment" as nest1_2 #B3E5FC
+}
+cloud "Airworthiness Certification" as N0 #B3E5FC
+folder "Aircraft De_icing" as N1 #ECF0FD
+node "Aircraft Manufacturing" as N2 #ECF0FD
+artifact "Passenger Boarding" as N3 #B3E5FC
+rectangle "Fueling Operations" as N4 #D1C4E9
+usecase "Sustainable Aviation Fuel Development" as N5 #D1C4E9
+folder "Navigation System Check" as N6 #B3E5FC
+folder "Flight Planning" as N7 #D1C4E9
+cloud "Next_Generation Air Traffic Management" as N8 #D1C4E9
+folder "Aviation Safety Investigation" as N9 #B3E5FC
+database "Route Optimization" as N10 #B3E5FC
+circle " " as S0 #D1C4E9
+circle " " as S1 #B3E5FC
+circle " " as S2 #D1C4E9
+circle " " as M1 #B3E5FC
+N0 -[#000000]-> N1
+N1 -[#B8C0F5]-> N2
+N2 -[#673AB7]-> N3 : integrates
+N3 ..[#673AB7]..> N4
+N4 -[#673AB7]-> N5
+N5 -[#03A9F4]-> N6
+N6 ..[#673AB7]..> N7
+N7 -[#000000]-> N8
+N8 -[#B8C0F5]-> N9
+N9 ..[#B8C0F5]..> N10
+nest0_0 -[#673AB7]-> nest0_1
+N5 -[#B8C0F5]-> nest0_0
+nest0_1 -[#B8C0F5]-> N9
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 ..[#B8C0F5]..> nest1_2
+N7 -[#B8C0F5]-> nest1_0
+nest1_2 ..[#000000]..> N2
+N4 ..[#673AB7]..> S0
+S0 -[#673AB7]-> N7
+S0 ..[#B8C0F5]..> N8
+S0 ..[#B8C0F5]..> N6
+N7 ..[#03A9F4]..> S1
+S1 ..[#03A9F4]..> N9
+S1 ..[#03A9F4]..> N10
+N5 -[#B8C0F5]-> S2
+S2 -[#673AB7]-> N7
+S2 -[#B8C0F5]-> N8
+S2 ..[#000000]..> N10
+N0 ..[#673AB7]..> M1
+N4 -[#673AB7]-> M1
+N1 -[#000000]-> M1
+M1 ..[#B8C0F5]..> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_152.txt b/test/plantuml/graph_hard/plantuml_152.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b7405ac76dd6077529cecac58cb11869eed72942
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_152.txt
@@ -0,0 +1,33 @@
+<Aircraft De_icing, connectedTo, Aircraft Manufacturing>
+<Aircraft De_icing, connectedTo, Aviation Safety Investigation>
+<Aircraft Manufacturing, integrates, Passenger Boarding>
+<Airport Operations, connectedTo, Fleet Management>
+<Airport Operations, partOf, Passenger Check_in>
+<Airworthiness Certification, connectedTo, Aircraft De_icing>
+<Airworthiness Certification, connectedTo, Aviation Safety Investigation>
+<Aviation Safety Investigation, connectedTo, Route Optimization>
+<Cargo Loading, connectedTo, Aviation Safety Investigation>
+<Cargo Loading, partOf, Emergency Procedures Training>
+<Fleet Management, connectedTo, Gate Assignment>
+<Fleet Management, partOf, Passenger Check_in>
+<Flight Planning, connectedTo, Airport Operations>
+<Flight Planning, connectedTo, Aviation Safety Investigation>
+<Flight Planning, connectedTo, Next_Generation Air Traffic Management>
+<Flight Planning, connectedTo, Route Optimization>
+<Fueling Operations, connectedTo, Aviation Safety Investigation>
+<Fueling Operations, connectedTo, Flight Planning>
+<Fueling Operations, connectedTo, Navigation System Check>
+<Fueling Operations, connectedTo, Next_Generation Air Traffic Management>
+<Fueling Operations, connectedTo, Sustainable Aviation Fuel Development>
+<Gate Assignment, connectedTo, Aircraft Manufacturing>
+<Gate Assignment, partOf, Passenger Check_in>
+<Navigation System Check, connectedTo, Flight Planning>
+<Next_Generation Air Traffic Management, connectedTo, Aviation Safety Investigation>
+<Passenger Boarding, connectedTo, Fueling Operations>
+<Regulatory Compliance, connectedTo, Cargo Loading>
+<Regulatory Compliance, partOf, Emergency Procedures Training>
+<Sustainable Aviation Fuel Development, connectedTo, Flight Planning>
+<Sustainable Aviation Fuel Development, connectedTo, Navigation System Check>
+<Sustainable Aviation Fuel Development, connectedTo, Next_Generation Air Traffic Management>
+<Sustainable Aviation Fuel Development, connectedTo, Regulatory Compliance>
+<Sustainable Aviation Fuel Development, connectedTo, Route Optimization>
diff --git a/test/plantuml/graph_hard/plantuml_153.puml b/test/plantuml/graph_hard/plantuml_153.puml
new file mode 100644
index 0000000000000000000000000000000000000000..d112149ecc9e3a53c5dc02ecc1bacf3df8a17353
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_153.puml
@@ -0,0 +1,55 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Engine Overhaul" as Group0 #F3E5F5 {
+    cloud "Ground Support" as nest0_0 #C8E6C9
+    frame "Passenger Boarding" as nest0_1 #FFDCD6
+}
+rectangle "Airport Security Management" as Group1 #F1F8E9 {
+    folder "Next_Generation Air Traffic Management" as nest1_0 #FFDCD6
+    folder "Remote Tower Operations" as nest1_1 #FFDCD6
+    artifact "Gate Assignment" as nest1_2 #C8E6C9
+    folder "Airport Operations" as nest1_3 #DDCEDD
+}
+database "Air Traffic Control" as N0 #C8E6C9
+rectangle "Aircraft Manufacturing" as N1 #C8E6C9
+rectangle "Fueling Operations" as N2 #C8E6C9
+component "Airspace Management" as N3 #DDCEDD
+cloud "Flight Simulation" as N4 #C8E6C9
+node "Fleet Management" as N5 #FFDCD6
+cloud "Delay Management" as N6 #C8E6C9
+usecase "Emergency Procedures Training" as N7 #FFDCD6
+database "Airworthiness Certification" as N8 #FFDCD6
+artifact "Noise Abatement Procedures" as N9 #C8E6C9
+database "Regulatory Compliance" as N10 #FFDCD6
+circle " " as S0 #C8E6C9
+circle " " as S1 #C8E6C9
+N0 ..[#AF56A6]..> N1
+N1 ..[#000000]..> N2
+N2 -[#FFB2A5]-> N3 : plans
+N3 -[#388E3C]-> N4
+N4 ..[#000000]..> N5
+N5 -[#388E3C]-> N6
+N6 -[#FFB2A5]-> N7
+N7 -[#388E3C]-> N8
+N8 -[#388E3C]-> N9
+N9 ..[#AF56A6]..> N10
+nest0_0 ..[#388E3C]..> nest0_1
+N2 ..[#AF56A6]..> nest0_0
+nest0_1 -[#000000]-> N5
+nest1_0 -[#388E3C]-> nest1_1
+nest1_1 ..[#388E3C]..> nest1_2
+nest1_2 ..[#000000]..> nest1_3
+N9 -[#000000]-> nest1_0
+nest1_3 ..[#388E3C]..> N1
+N6 -[#AF56A6]-> S0
+S0 -[#000000]-> N10
+S0 ..[#FFB2A5]..> N8
+N7 ..[#FFB2A5]..> S1
+S1 ..[#000000]..> N10
+S1 -[#FFB2A5]-> N9
+N7 ..[#388E3C]..> N0
+nest0_0 ..[#000000]..> N3
+N4 -[#FFB2A5]-> nest1_2
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_153.txt b/test/plantuml/graph_hard/plantuml_153.txt
new file mode 100644
index 0000000000000000000000000000000000000000..41f0af2e2efb70a1b86565f681b980d095291fbb
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_153.txt
@@ -0,0 +1,31 @@
+<Air Traffic Control, connectedTo, Aircraft Manufacturing>
+<Aircraft Manufacturing, connectedTo, Fueling Operations>
+<Airport Operations, connectedTo, Aircraft Manufacturing>
+<Airport Operations, partOf, Airport Security Management>
+<Airspace Management, connectedTo, Flight Simulation>
+<Airworthiness Certification, connectedTo, Noise Abatement Procedures>
+<Delay Management, connectedTo, Airworthiness Certification>
+<Delay Management, connectedTo, Emergency Procedures Training>
+<Delay Management, connectedTo, Regulatory Compliance>
+<Emergency Procedures Training, connectedTo, Air Traffic Control>
+<Emergency Procedures Training, connectedTo, Airworthiness Certification>
+<Emergency Procedures Training, connectedTo, Noise Abatement Procedures>
+<Emergency Procedures Training, connectedTo, Regulatory Compliance>
+<Fleet Management, connectedTo, Delay Management>
+<Flight Simulation, connectedTo, Fleet Management>
+<Flight Simulation, connectedTo, Gate Assignment>
+<Fueling Operations, connectedTo, Ground Support>
+<Fueling Operations, plans, Airspace Management>
+<Gate Assignment, connectedTo, Airport Operations>
+<Gate Assignment, partOf, Airport Security Management>
+<Ground Support, connectedTo, Airspace Management>
+<Ground Support, connectedTo, Passenger Boarding>
+<Ground Support, partOf, Engine Overhaul>
+<Next_Generation Air Traffic Management, connectedTo, Remote Tower Operations>
+<Next_Generation Air Traffic Management, partOf, Airport Security Management>
+<Noise Abatement Procedures, connectedTo, Next_Generation Air Traffic Management>
+<Noise Abatement Procedures, connectedTo, Regulatory Compliance>
+<Passenger Boarding, connectedTo, Fleet Management>
+<Passenger Boarding, partOf, Engine Overhaul>
+<Remote Tower Operations, connectedTo, Gate Assignment>
+<Remote Tower Operations, partOf, Airport Security Management>
diff --git a/test/plantuml/graph_hard/plantuml_154.puml b/test/plantuml/graph_hard/plantuml_154.puml
new file mode 100644
index 0000000000000000000000000000000000000000..8bba4eba44f9480f779dd9b90ad2a0fce2891630
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_154.puml
@@ -0,0 +1,55 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "GPS Positioning" as Group0 #ECEFF1 {
+    folder "Inertial Navigation System" as nest0_0 #FFFCE6
+    database "Lane Guidance" as nest0_1 #D0E0F8
+    component "Geocoding" as nest0_2 #D0E0F8
+    folder "Speed Calculation" as nest0_3 #FFFCE6
+}
+rectangle "Public Transit Navigation" as Group1 #E3F2FD {
+    component "Marine Charting" as nest1_0 #FFF0CC
+    artifact "Dead Reckoning" as nest1_1 #D0E0F8
+    cloud "Waypoint Setting" as nest1_2 #FFF0CC
+    database "Indoor Navigation" as nest1_3 #FFFCE6
+}
+folder "Route Calculation" as N0 #FFFCE6
+folder "Geofencing" as N1 #D0E0F8
+folder "Real_Time Re_routing" as N2 #FFFCE6
+rectangle "Terrestrial Navigation" as N3 #FFFCE6
+component "Traffic Information" as N4 #FFFCE6
+folder "Offline Map Support" as N5 #FFFCE6
+cloud "Satellite Navigation Systems" as N6 #FFF0CC
+component "Voice Guidance Customization" as N7 #FFF0CC
+circle " " as S0 #FFF0CC
+circle " " as S1 #D0E0F8
+circle " " as M1 #D0E0F8
+N0 ..[#4285F4]..> N1
+N1 -[#FFCC80]-> N2
+N2 ..[#FFCC80]..> N3
+N3 ..[#FFCC80]..> N4
+N4 ..[#000000]..> N5 : calibrates
+N5 ..[#4285F4]..> N6
+N6 -[#FFCC80]-> N7
+nest0_0 ..[#FFF9AE]..> nest0_1
+nest0_1 -[#FFCC80]-> nest0_2
+nest0_2 -[#000000]-> nest0_3
+N3 -[#FFF9AE]-> nest0_0
+nest0_3 ..[#FFCC80]..> N1
+nest1_0 -[#4285F4]-> nest1_1
+nest1_1 ..[#FFCC80]..> nest1_2
+nest1_2 -[#4285F4]-> nest1_3
+N5 ..[#000000]..> nest1_0 : verifies
+nest1_3 -[#000000]-> N6
+N0 ..[#FFF9AE]..> S0
+S0 -[#000000]-> N2
+S0 ..[#4285F4]..> N6
+S0 -[#4285F4]-> N4
+N0 ..[#000000]..> S1
+S1 -[#FFCC80]-> N3 : tracks
+S1 -[#000000]-> N2
+N4 -[#FFF9AE]-> M1
+N1 ..[#4285F4]..> M1
+M1 -[#000000]-> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_154.txt b/test/plantuml/graph_hard/plantuml_154.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4c6c164c2cf0cdcefd2866d497418b572fefcda6
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_154.txt
@@ -0,0 +1,31 @@
+<Dead Reckoning, connectedTo, Waypoint Setting>
+<Dead Reckoning, partOf, Public Transit Navigation>
+<Geocoding, connectedTo, Speed Calculation>
+<Geocoding, partOf, GPS Positioning>
+<Geofencing, connectedTo, Real_Time Re_routing>
+<Geofencing, connectedTo, Voice Guidance Customization>
+<Indoor Navigation, connectedTo, Satellite Navigation Systems>
+<Indoor Navigation, partOf, Public Transit Navigation>
+<Inertial Navigation System, connectedTo, Lane Guidance>
+<Inertial Navigation System, partOf, GPS Positioning>
+<Lane Guidance, connectedTo, Geocoding>
+<Lane Guidance, partOf, GPS Positioning>
+<Marine Charting, connectedTo, Dead Reckoning>
+<Marine Charting, partOf, Public Transit Navigation>
+<Offline Map Support, connectedTo, Satellite Navigation Systems>
+<Offline Map Support, verifies, Marine Charting>
+<Real_Time Re_routing, connectedTo, Terrestrial Navigation>
+<Route Calculation, connectedTo, Geofencing>
+<Route Calculation, connectedTo, Real_Time Re_routing>
+<Route Calculation, connectedTo, Satellite Navigation Systems>
+<Route Calculation, connectedTo, Traffic Information>
+<Route Calculation, tracks, Terrestrial Navigation>
+<Satellite Navigation Systems, connectedTo, Voice Guidance Customization>
+<Speed Calculation, connectedTo, Geofencing>
+<Speed Calculation, partOf, GPS Positioning>
+<Terrestrial Navigation, connectedTo, Inertial Navigation System>
+<Terrestrial Navigation, connectedTo, Traffic Information>
+<Traffic Information, calibrates, Offline Map Support>
+<Traffic Information, connectedTo, Voice Guidance Customization>
+<Waypoint Setting, connectedTo, Indoor Navigation>
+<Waypoint Setting, partOf, Public Transit Navigation>
diff --git a/test/plantuml/graph_hard/plantuml_155.puml b/test/plantuml/graph_hard/plantuml_155.puml
new file mode 100644
index 0000000000000000000000000000000000000000..0532ba04983708a46ee54389f140f0bc0a6a3b23
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_155.puml
@@ -0,0 +1,55 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Pedestrian Navigation" as Group0 #FBE9E7 {
+    artifact "Autonomous Vehicle Navigation" as nest0_0 #ECF0FD
+    frame "ETA Estimation" as nest0_1 #ECF0FD
+}
+rectangle "Location_Based Services" as Group1 #FBE9E7 {
+    folder "Multi_modal Navigation" as nest1_0 #ECF0FD
+    usecase "Aeronautical Charting" as nest1_1 #FFE0B2
+    node "Historical Traffic Data Analysis" as nest1_2 #FFE0B2
+}
+artifact "Bearing and Distance Calculation" as N0 #FFE0B2
+node "Real_Time Re_routing" as N1 #FFE0B2
+node "Terrestrial Navigation" as N2 #FFE0B2
+cloud "Waypoint Setting" as N3 #E3F2FD
+component "Lane Guidance" as N4 #FFE0B2
+frame "Turn_by_Turn Directions" as N5 #ECF0FD
+database "Satellite Navigation Systems" as N6 #E3F2FD
+folder "Topographic Mapping" as N7 #E3F2FD
+database "Geocoding" as N8 #ECF0FD
+usecase "Wearable Device Navigation" as N9 #E3F2FD
+folder "Map Display" as N10 #ECF0FD
+circle " " as S0 #FFE0B2
+circle " " as S1 #FFE0B2
+circle " " as M0 #ECF0FD
+N0 ..[#000000]..> N1
+N1 ..[#B8C0F5]..> N2
+N2 ..[#64B5F6]..> N3
+N3 ..[#64B5F6]..> N4
+N4 -[#FF9800]-> N5
+N5 -[#B8C0F5]-> N6
+N6 -[#B8C0F5]-> N7
+N7 ..[#000000]..> N8
+N8 -[#B8C0F5]-> N9
+N9 -[#FF9800]-> N10
+nest0_0 -[#B8C0F5]-> nest0_1
+N6 -[#64B5F6]-> nest0_0 : secures
+nest0_1 -[#FF9800]-> N6
+nest1_0 ..[#64B5F6]..> nest1_1
+nest1_1 ..[#000000]..> nest1_2
+N2 ..[#64B5F6]..> nest1_0
+nest1_2 -[#FF9800]-> N3
+N3 ..[#FF9800]..> S0
+S0 -[#64B5F6]-> N6
+S0 -[#FF9800]-> N5
+N3 -[#FF9800]-> S1
+S1 -[#64B5F6]-> N9
+S1 ..[#FF9800]..> N6
+S1 ..[#64B5F6]..> N8
+N2 -[#B8C0F5]-> M0
+N0 ..[#64B5F6]..> M0
+M0 -[#FF9800]-> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_155.txt b/test/plantuml/graph_hard/plantuml_155.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4207bdd28ce8c218db7be52db6be48026b9b1083
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_155.txt
@@ -0,0 +1,28 @@
+<Aeronautical Charting, connectedTo, Historical Traffic Data Analysis>
+<Aeronautical Charting, partOf, Location_Based Services>
+<Autonomous Vehicle Navigation, connectedTo, ETA Estimation>
+<Autonomous Vehicle Navigation, partOf, Pedestrian Navigation>
+<Bearing and Distance Calculation, connectedTo, Real_Time Re_routing>
+<Bearing and Distance Calculation, connectedTo, Turn_by_Turn Directions>
+<ETA Estimation, connectedTo, Satellite Navigation Systems>
+<ETA Estimation, partOf, Pedestrian Navigation>
+<Geocoding, connectedTo, Wearable Device Navigation>
+<Historical Traffic Data Analysis, connectedTo, Waypoint Setting>
+<Historical Traffic Data Analysis, partOf, Location_Based Services>
+<Lane Guidance, connectedTo, Turn_by_Turn Directions>
+<Multi_modal Navigation, connectedTo, Aeronautical Charting>
+<Multi_modal Navigation, partOf, Location_Based Services>
+<Real_Time Re_routing, connectedTo, Terrestrial Navigation>
+<Satellite Navigation Systems, connectedTo, Topographic Mapping>
+<Satellite Navigation Systems, secures, Autonomous Vehicle Navigation>
+<Terrestrial Navigation, connectedTo, Multi_modal Navigation>
+<Terrestrial Navigation, connectedTo, Turn_by_Turn Directions>
+<Terrestrial Navigation, connectedTo, Waypoint Setting>
+<Topographic Mapping, connectedTo, Geocoding>
+<Turn_by_Turn Directions, connectedTo, Satellite Navigation Systems>
+<Waypoint Setting, connectedTo, Geocoding>
+<Waypoint Setting, connectedTo, Lane Guidance>
+<Waypoint Setting, connectedTo, Satellite Navigation Systems>
+<Waypoint Setting, connectedTo, Turn_by_Turn Directions>
+<Waypoint Setting, connectedTo, Wearable Device Navigation>
+<Wearable Device Navigation, connectedTo, Map Display>
diff --git a/test/plantuml/graph_hard/plantuml_156.txt b/test/plantuml/graph_hard/plantuml_156.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2fe265866adb21fbac1b44325dfddbea35612270
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_156.txt
@@ -0,0 +1,48 @@
+<Augmented Reality Navigation, connectedTo, Wearable Device Navigation>
+<Augmented Reality Navigation, partOf, Location_Based Services>
+<Cycle Route Planning, connectedTo, Turn_by_Turn Directions>
+<Dead Reckoning, connectedTo, Cycle Route Planning>
+<Dead Reckoning, connectedTo, Hazard Alerts>
+<Dead Reckoning, connectedTo, Terrestrial Navigation>
+<Dead Reckoning, connectedTo, Wearable Device Navigation>
+<Digital Compass Integration, connectedTo, Hazard Alerts>
+<Digital Compass Integration, connectedTo, Map Display>
+<Digital Compass Integration, connectedTo, Personalized Route Preferences>
+<Digital Compass Integration, predicts, Geofencing>
+<ETA Estimation, connectedTo, Waypoint Setting>
+<GPS Positioning, connectedTo, Lane Guidance>
+<GPS Positioning, partOf, Autonomous Vehicle Navigation>
+<Geocoding, connectedTo, Map Display>
+<Geofencing, connectedTo, Public Transit Navigation>
+<Geofencing, connectedTo, Topographic Mapping>
+<Hazard Alerts, connectedTo, Cycle Route Planning>
+<Historical Traffic Data Analysis, connectedTo, Dead Reckoning>
+<Historical Traffic Data Analysis, connectedTo, Wearable Device Navigation>
+<Inertial Navigation System, connectedTo, Geocoding>
+<Inertial Navigation System, partOf, Autonomous Vehicle Navigation>
+<Lane Guidance, connectedTo, Inertial Navigation System>
+<Lane Guidance, partOf, Autonomous Vehicle Navigation>
+<Map Display, connectedTo, Cycle Route Planning>
+<Map Display, connectedTo, Hazard Alerts>
+<Personalized Route Preferences, connectedTo, Voice Guidance Customization>
+<Personalized Route Preferences, searches, Satellite Navigation Systems>
+<Points of Interest Search, connectedTo, Cycle Route Planning>
+<Points of Interest Search, connectedTo, Geocoding>
+<Points of Interest Search, connectedTo, Geofencing>
+<Points of Interest Search, connectedTo, Public Transit Navigation>
+<Public Transit Navigation, connectedTo, Geocoding>
+<Public Transit Navigation, connectedTo, Hazard Alerts>
+<Satellite Navigation Systems, connectedTo, Augmented Reality Navigation>
+<Satellite Navigation Systems, partOf, Location_Based Services>
+<Terrestrial Navigation, connectedTo, Geofencing>
+<Terrestrial Navigation, connectedTo, Points of Interest Search>
+<Terrestrial Navigation, connectedTo, Public Transit Navigation>
+<Terrestrial Navigation, connectedTo, Voice Guidance Customization>
+<Terrestrial Navigation, connectedTo, Wearable Device Navigation>
+<Topographic Mapping, connectedTo, GPS Positioning>
+<Topographic Mapping, partOf, Autonomous Vehicle Navigation>
+<Turn_by_Turn Directions, connectedTo, ETA Estimation>
+<Voice Guidance Customization, connectedTo, Points of Interest Search>
+<Waypoint Setting, connectedTo, Indoor Navigation>
+<Wearable Device Navigation, connectedTo, Digital Compass Integration>
+<Wearable Device Navigation, corrects, Hazard Alerts>
diff --git a/test/plantuml/graph_hard/plantuml_157.puml b/test/plantuml/graph_hard/plantuml_157.puml
new file mode 100644
index 0000000000000000000000000000000000000000..e15cf3411a08f3d6eb093c606071ed287f538850
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_157.puml
@@ -0,0 +1,81 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Distributed Manufacturing" as Group0 #FBE9E7 {
+    frame "Mass Customization" as nest0_0 #E8EAF6
+    frame "Print Farm Management" as nest0_1 #F5F5DC
+    database "Quality Control" as nest0_2 #E8EAF6
+    database "Multi_Material Printing" as nest0_3 #E8EAF6
+}
+rectangle "3D Model Design" as Group1 #E0F2F1 {
+    artifact "Reverse Engineering with 3D Printing" as nest1_0 #F5F5DC
+    component "File Format Conversion" as nest1_1 #F5F5DC
+    folder "Scaffolding for Tissue Engineering" as nest1_2 #DACBE3
+    usecase "Custom Part Production" as nest1_3 #DACBE3
+}
+usecase "Printing Process" as N0 #E8EAF6
+node "Medical Device Prototyping" as N1 #E8EAF6
+frame "Educational Applications" as N2 #F5F5DC
+node "Digital Twin for 3D Prints" as N3 #E8EAF6
+folder "Rapid Manufacturing" as N4 #DACBE3
+usecase "Troubleshooting Print Errors" as N5 #DACBE3
+folder "Post_Processing" as N6 #DACBE3
+cloud "Printer Setup" as N7 #F5F5DC
+artifact "4D Printing" as N8 #E8EAF6
+artifact "Prototyping" as N9 #DACBE3
+usecase "Stereolithography" as N10 #E8EAF6
+artifact "Construction 3D Printing" as N11 #F5F5DC
+usecase "Consumer Product Creation" as N12 #DACBE3
+folder "Sustainable 3D Printing Materials" as N13 #DACBE3
+usecase "3D Printed Tooling" as N14 #E8EAF6
+database "Maintenance and Repair of Printers" as N15 #DACBE3
+circle " " as S0 #DACBE3
+circle " " as S1 #F5F5DC
+circle " " as M0 #DACBE3
+circle " " as M1 #F5F5DC
+circle " " as M2 #DACBE3
+N0 -[#000000]-> N1
+N1 ..[#7986CB]..> N2
+N2 -[#BCB88A]-> N3
+N3 ..[#7986CB]..> N4
+N4 -[#000000]-> N5
+N5 ..[#7986CB]..> N6
+N6 ..[#A188D0]..> N7
+N7 -[#A188D0]-> N8
+N8 ..[#BCB88A]..> N9
+N9 -[#A188D0]-> N10
+N10 -[#BCB88A]-> N11 : educates
+N11 -[#A188D0]-> N12
+N12 ..[#000000]..> N13
+N13 -[#7986CB]-> N14
+N14 -[#7986CB]-> N15
+nest0_0 ..[#BCB88A]..> nest0_1
+nest0_1 ..[#7986CB]..> nest0_2
+nest0_2 ..[#A188D0]..> nest0_3
+N2 -[#000000]-> nest0_0
+nest0_3 ..[#A188D0]..> N10
+nest1_0 ..[#7986CB]..> nest1_1
+nest1_1 ..[#A188D0]..> nest1_2
+nest1_2 -[#BCB88A]-> nest1_3
+N11 ..[#BCB88A]..> nest1_0
+nest1_3 -[#7986CB]-> N15
+N8 -[#000000]-> S0
+S0 ..[#000000]..> N13
+S0 ..[#A188D0]..> N14
+S0 -[#BCB88A]-> N11
+N10 -[#A188D0]-> S1
+S1 -[#BCB88A]-> N15
+S1 -[#7986CB]-> N12
+S1 ..[#000000]..> N14
+N6 -[#7986CB]-> M0
+N8 -[#000000]-> M0
+M0 ..[#7986CB]..> N12
+N2 ..[#BCB88A]..> M1
+N4 -[#A188D0]-> M1
+N6 ..[#7986CB]..> M1
+M1 ..[#BCB88A]..> N8
+N2 -[#000000]-> M2
+N4 -[#BCB88A]-> M2
+M2 -[#7986CB]-> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_157.txt b/test/plantuml/graph_hard/plantuml_157.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9e8256b15a73c6bc832c819020ddd377e3c40128
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_157.txt
@@ -0,0 +1,46 @@
+<3D Printed Tooling, connectedTo, Maintenance and Repair of Printers>
+<4D Printing, connectedTo, 3D Printed Tooling>
+<4D Printing, connectedTo, Construction 3D Printing>
+<4D Printing, connectedTo, Consumer Product Creation>
+<4D Printing, connectedTo, Prototyping>
+<4D Printing, connectedTo, Sustainable 3D Printing Materials>
+<Construction 3D Printing, connectedTo, Consumer Product Creation>
+<Construction 3D Printing, connectedTo, Reverse Engineering with 3D Printing>
+<Consumer Product Creation, connectedTo, Sustainable 3D Printing Materials>
+<Custom Part Production, connectedTo, Maintenance and Repair of Printers>
+<Custom Part Production, partOf, 3D Model Design>
+<Digital Twin for 3D Prints, connectedTo, Rapid Manufacturing>
+<Educational Applications, connectedTo, 4D Printing>
+<Educational Applications, connectedTo, Digital Twin for 3D Prints>
+<Educational Applications, connectedTo, Mass Customization>
+<Educational Applications, connectedTo, Printer Setup>
+<File Format Conversion, connectedTo, Scaffolding for Tissue Engineering>
+<File Format Conversion, partOf, 3D Model Design>
+<Mass Customization, connectedTo, Print Farm Management>
+<Mass Customization, partOf, Distributed Manufacturing>
+<Medical Device Prototyping, connectedTo, Educational Applications>
+<Multi_Material Printing, connectedTo, Stereolithography>
+<Multi_Material Printing, partOf, Distributed Manufacturing>
+<Post_Processing, connectedTo, 4D Printing>
+<Post_Processing, connectedTo, Consumer Product Creation>
+<Post_Processing, connectedTo, Printer Setup>
+<Print Farm Management, connectedTo, Quality Control>
+<Print Farm Management, partOf, Distributed Manufacturing>
+<Printer Setup, connectedTo, 4D Printing>
+<Printing Process, connectedTo, Medical Device Prototyping>
+<Prototyping, connectedTo, Stereolithography>
+<Quality Control, connectedTo, Multi_Material Printing>
+<Quality Control, partOf, Distributed Manufacturing>
+<Rapid Manufacturing, connectedTo, 4D Printing>
+<Rapid Manufacturing, connectedTo, Printer Setup>
+<Rapid Manufacturing, connectedTo, Troubleshooting Print Errors>
+<Reverse Engineering with 3D Printing, connectedTo, File Format Conversion>
+<Reverse Engineering with 3D Printing, partOf, 3D Model Design>
+<Scaffolding for Tissue Engineering, connectedTo, Custom Part Production>
+<Scaffolding for Tissue Engineering, partOf, 3D Model Design>
+<Stereolithography, connectedTo, 3D Printed Tooling>
+<Stereolithography, connectedTo, Consumer Product Creation>
+<Stereolithography, connectedTo, Maintenance and Repair of Printers>
+<Stereolithography, educates, Construction 3D Printing>
+<Sustainable 3D Printing Materials, connectedTo, 3D Printed Tooling>
+<Troubleshooting Print Errors, connectedTo, Post_Processing>
diff --git a/test/plantuml/graph_hard/plantuml_158.puml b/test/plantuml/graph_hard/plantuml_158.puml
new file mode 100644
index 0000000000000000000000000000000000000000..e461e11f0bfc205f6a634483a873ca8f27ef9f3f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_158.puml
@@ -0,0 +1,64 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "On_Demand Production" as Group0 #FCE4EC {
+    folder "Digital Twin for 3D Prints" as nest0_0 #FFF9D4
+    artifact "Fused Deposition Modeling" as nest0_1 #FFDAB9
+}
+rectangle "Printing Parameter Optimization" as Group1 #EDE7F6 {
+    database "Distributed Manufacturing" as nest1_0 #EDE7F6
+    node "Quality Control" as nest1_1 #FFF9D4
+}
+component "Slicing Software Operation" as N0 #FFDAB9
+folder "Custom Part Production" as N1 #FFDAB9
+database "3D Model Design" as N2 #EDE7F6
+usecase "Additive Manufacturing" as N3 #EDE7F6
+frame "Mass Customization" as N4 #EDE7F6
+folder "Print Farm Management" as N5 #FFF9D4
+folder "Aerospace Part Production" as N6 #FFF9D4
+frame "Multi_Material Printing" as N7 #EDE7F6
+node "Educational Applications" as N8 #FFF9D4
+rectangle "Troubleshooting Print Errors" as N9 #FFDAB9
+artifact "Material Research and Development" as N10 #FFDAB9
+cloud "Prototyping" as N11 #EDE7F6
+cloud "Maintenance and Repair of Printers" as N12 #EDE7F6
+node "Support Structure Design" as N13 #EDE7F6
+usecase "Direct Metal Laser Sintering" as N14 #FFF9D4
+circle " " as S0 #FFF9D4
+circle " " as S1 #EDE7F6
+circle " " as S2 #FFF9D4
+circle " " as M1 #EDE7F6
+N0 ..[#000000]..> N1
+N1 -[#FFE69C]-> N2
+N2 -[#7E57C2]-> N3
+N3 ..[#FFE69C]..> N4
+N4 -[#FFC085]-> N5
+N5 ..[#FFC085]..> N6
+N6 ..[#FFC085]..> N7
+N7 -[#7E57C2]-> N8
+N8 -[#7E57C2]-> N9 : troubleshoots
+N9 -[#000000]-> N10
+N10 ..[#FFC085]..> N11
+N11 -[#000000]-> N12
+N12 -[#7E57C2]-> N13
+N13 ..[#000000]..> N14
+nest0_0 -[#000000]-> nest0_1
+N8 ..[#000000]..> nest0_0
+nest0_1 ..[#000000]..> N12
+nest1_0 -[#000000]-> nest1_1
+N2 -[#FFC085]-> nest1_0
+nest1_1 -[#FFE69C]-> N9
+N1 -[#FFE69C]-> S0
+S0 ..[#000000]..> N14 : optimizes
+S0 -[#000000]-> N6 : models
+N2 ..[#7E57C2]..> S1
+S1 -[#FFE69C]-> N12
+S1 -[#7E57C2]-> N6
+N1 ..[#FFE69C]..> S2
+S2 -[#FFC085]-> N8
+S2 -[#FFC085]-> N13
+N11 -[#FFE69C]-> M1 : distributes
+N0 -[#FFE69C]-> M1
+M1 ..[#000000]..> N13
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_158.txt b/test/plantuml/graph_hard/plantuml_158.txt
new file mode 100644
index 0000000000000000000000000000000000000000..efa27d71393b19383f08148925fde0db4afcfd08
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_158.txt
@@ -0,0 +1,32 @@
+<3D Model Design, connectedTo, Additive Manufacturing>
+<3D Model Design, connectedTo, Aerospace Part Production>
+<3D Model Design, connectedTo, Distributed Manufacturing>
+<3D Model Design, connectedTo, Maintenance and Repair of Printers>
+<Additive Manufacturing, connectedTo, Mass Customization>
+<Aerospace Part Production, connectedTo, Multi_Material Printing>
+<Custom Part Production, connectedTo, 3D Model Design>
+<Custom Part Production, connectedTo, Educational Applications>
+<Custom Part Production, connectedTo, Support Structure Design>
+<Custom Part Production, models, Aerospace Part Production>
+<Custom Part Production, optimizes, Direct Metal Laser Sintering>
+<Digital Twin for 3D Prints, connectedTo, Fused Deposition Modeling>
+<Digital Twin for 3D Prints, partOf, On_Demand Production>
+<Distributed Manufacturing, connectedTo, Quality Control>
+<Distributed Manufacturing, partOf, Printing Parameter Optimization>
+<Educational Applications, connectedTo, Digital Twin for 3D Prints>
+<Educational Applications, troubleshoots, Troubleshooting Print Errors>
+<Fused Deposition Modeling, connectedTo, Maintenance and Repair of Printers>
+<Fused Deposition Modeling, partOf, On_Demand Production>
+<Maintenance and Repair of Printers, connectedTo, Support Structure Design>
+<Mass Customization, connectedTo, Print Farm Management>
+<Material Research and Development, connectedTo, Prototyping>
+<Multi_Material Printing, connectedTo, Educational Applications>
+<Print Farm Management, connectedTo, Aerospace Part Production>
+<Prototyping, connectedTo, Maintenance and Repair of Printers>
+<Prototyping, distributes, Support Structure Design>
+<Quality Control, connectedTo, Troubleshooting Print Errors>
+<Quality Control, partOf, Printing Parameter Optimization>
+<Slicing Software Operation, connectedTo, Custom Part Production>
+<Slicing Software Operation, connectedTo, Support Structure Design>
+<Support Structure Design, connectedTo, Direct Metal Laser Sintering>
+<Troubleshooting Print Errors, connectedTo, Material Research and Development>
diff --git a/test/plantuml/graph_hard/plantuml_159.puml b/test/plantuml/graph_hard/plantuml_159.puml
new file mode 100644
index 0000000000000000000000000000000000000000..d13b52eb78f21484f7e680060681ea9a42c22bb9
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_159.puml
@@ -0,0 +1,65 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Print Farm Management" as Group0 #E8F5E9 {
+    database "Post_Processing" as nest0_0 #EBEBEB
+    folder "Stereolithography" as nest0_1 #DDCEDD
+    folder "Material Selection" as nest0_2 #EBEBEB
+}
+rectangle "Aerospace Part Production" as Group1 #ECEFF1 {
+    artifact "Additive Manufacturing" as nest1_0 #EBEBEB
+    rectangle "Selective Laser Sintering" as nest1_1 #ECCFF5
+}
+database "Scaffolding for Tissue Engineering" as N0 #EBEBEB
+folder "Support Structure Design" as N1 #ECCFF5
+component "Medical Device Prototyping" as N2 #DDCEDD
+usecase "Quality Control" as N3 #ECCFF5
+component "Maintenance and Repair of Printers" as N4 #ECCFF5
+folder "Consumer Product Creation" as N5 #DDCEDD
+component "Prototyping" as N6 #ECCFF5
+artifact "Printer Setup" as N7 #ECCFF5
+folder "Slicing Software Operation" as N8 #ECCFF5
+cloud "File Format Conversion" as N9 #ECCFF5
+node "On_Demand Production" as N10 #DDCEDD
+cloud "Custom Part Production" as N11 #DDCEDD
+node "Digital Twin for 3D Prints" as N12 #EBEBEB
+circle " " as S0 #EBEBEB
+circle " " as S1 #EBEBEB
+circle " " as S2 #ECCFF5
+circle " " as M1 #DDCEDD
+N0 ..[#CD8FF2]..> N1
+N1 ..[#E0E0E0]..> N2
+N2 -[#000000]-> N3
+N3 -[#E0E0E0]-> N4
+N4 ..[#CD8FF2]..> N5
+N5 -[#E0E0E0]-> N6
+N6 ..[#000000]..> N7
+N7 -[#E0E0E0]-> N8
+N8 ..[#000000]..> N9
+N9 ..[#E0E0E0]..> N10
+N10 -[#CD8FF2]-> N11
+N11 -[#AF56A6]-> N12 : educates
+nest0_0 -[#AF56A6]-> nest0_1
+nest0_1 -[#000000]-> nest0_2
+N4 -[#CD8FF2]-> nest0_0
+nest0_2 -[#AF56A6]-> N12
+nest1_0 ..[#AF56A6]..> nest1_1 : finishes
+N3 ..[#E0E0E0]..> nest1_0
+nest1_1 -[#CD8FF2]-> N3
+N4 ..[#CD8FF2]..> S0
+S0 ..[#E0E0E0]..> N9
+S0 -[#CD8FF2]-> N6
+S0 ..[#000000]..> N11
+N7 -[#E0E0E0]-> S1
+S1 -[#CD8FF2]-> N9
+S1 ..[#E0E0E0]..> N11
+S1 ..[#E0E0E0]..> N10
+N5 ..[#000000]..> S2
+S2 ..[#000000]..> N7
+S2 ..[#AF56A6]..> N11
+N9 -[#000000]-> M1
+N4 -[#CD8FF2]-> M1
+N3 -[#000000]-> M1
+M1 -[#000000]-> N11
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_16.puml b/test/plantuml/graph_hard/plantuml_16.puml
new file mode 100644
index 0000000000000000000000000000000000000000..47f87fc05af363a697249a2f3d2a3a985c7cc58d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_16.puml
@@ -0,0 +1,72 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Bridge Inspection" as Group0 #E8F5E9 {
+    folder "Electric Vehicle Charging" as nest0_0 #FFE88D
+    component "Fleet Management" as nest0_1 #FFE88D
+    component "Boarding" as nest0_2 #C2E8E6
+}
+rectangle "Emergency Landing" as Group1 #EDE7F6 {
+    node "Accident Reconstruction" as nest1_0 #FFE88D
+    artifact "Passenger Feedback" as nest1_1 #D0EFEE
+    frame "Bus Stop Management" as nest1_2 #FFE88D
+}
+cloud "Fueling" as N0 #FFE88D
+component "Navigation Update" as N1 #C2E8E6
+component "Traffic Monitoring" as N2 #FFE88D
+folder "Air Traffic Control" as N3 #D0EFEE
+frame "Schedule Generation" as N4 #C2E8E6
+rectangle "Passenger Boarding Pass Issuance" as N5 #FFE88D
+cloud "Customs Clearance" as N6 #D0EFEE
+usecase "Security Check" as N7 #D0EFEE
+usecase "Ticket Purchase" as N8 #D0EFEE
+artifact "Luggage Handling" as N9 #D0EFEE
+usecase "Road Network Management" as N10 #C2E8E6
+component "Vehicle Assignment" as N11 #C2E8E6
+circle " " as S0 #D0EFEE
+circle " " as S1 #D0EFEE
+circle " " as M0 #D0EFEE
+circle " " as M1 #FFE88D
+circle " " as M2 #D0EFEE
+N0 ..[#73C6BC]..> N1
+N1 -[#000000]-> N2
+N2 ..[#000000]..> N3
+N3 ..[#73C6BC]..> N4 : arrives
+N4 ..[#73C6BC]..> N5
+N5 ..[#61CAC3]..> N6
+N6 -[#FFDA4E]-> N7
+N7 ..[#000000]..> N8
+N8 ..[#73C6BC]..> N9
+N9 -[#73C6BC]-> N10
+N10 ..[#73C6BC]..> N11
+nest0_0 ..[#61CAC3]..> nest0_1
+nest0_1 ..[#FFDA4E]..> nest0_2
+N9 ..[#000000]..> nest0_0
+nest0_2 ..[#73C6BC]..> N4
+nest1_0 ..[#FFDA4E]..> nest1_1
+nest1_1 -[#61CAC3]-> nest1_2
+N4 ..[#000000]..> nest1_0
+nest1_2 -[#FFDA4E]-> N3
+N5 ..[#61CAC3]..> S0
+S0 -[#61CAC3]-> N10
+S0 -[#FFDA4E]-> N11
+S0 -[#FFDA4E]-> N9
+S0 ..[#000000]..> N8
+N4 -[#73C6BC]-> S1
+S1 ..[#000000]..> N8
+S1 -[#73C6BC]-> N7
+S1 ..[#000000]..> N9
+S1 -[#FFDA4E]-> N6
+N4 ..[#000000]..> M0
+N5 ..[#73C6BC]..> M0
+M0 -[#000000]-> N7
+N1 -[#000000]-> M1
+N4 ..[#73C6BC]..> M1
+M1 ..[#000000]..> N6
+N3 -[#73C6BC]-> M2
+N2 ..[#FFDA4E]..> M2
+N0 ..[#FFDA4E]..> M2 : monitors
+N1 -[#000000]-> M2
+M2 -[#000000]-> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_16.txt b/test/plantuml/graph_hard/plantuml_16.txt
new file mode 100644
index 0000000000000000000000000000000000000000..193a37eace47c5d9e4d464b9b7498f7b66e62590
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_16.txt
@@ -0,0 +1,39 @@
+<Accident Reconstruction, connectedTo, Passenger Feedback>
+<Accident Reconstruction, partOf, Emergency Landing>
+<Air Traffic Control, arrives, Schedule Generation>
+<Air Traffic Control, connectedTo, Passenger Boarding Pass Issuance>
+<Boarding, connectedTo, Schedule Generation>
+<Boarding, partOf, Bridge Inspection>
+<Bus Stop Management, connectedTo, Air Traffic Control>
+<Bus Stop Management, partOf, Emergency Landing>
+<Customs Clearance, connectedTo, Security Check>
+<Electric Vehicle Charging, connectedTo, Fleet Management>
+<Electric Vehicle Charging, partOf, Bridge Inspection>
+<Fleet Management, connectedTo, Boarding>
+<Fleet Management, partOf, Bridge Inspection>
+<Fueling, connectedTo, Navigation Update>
+<Fueling, monitors, Passenger Boarding Pass Issuance>
+<Luggage Handling, connectedTo, Electric Vehicle Charging>
+<Luggage Handling, connectedTo, Road Network Management>
+<Navigation Update, connectedTo, Customs Clearance>
+<Navigation Update, connectedTo, Passenger Boarding Pass Issuance>
+<Navigation Update, connectedTo, Traffic Monitoring>
+<Passenger Boarding Pass Issuance, connectedTo, Customs Clearance>
+<Passenger Boarding Pass Issuance, connectedTo, Luggage Handling>
+<Passenger Boarding Pass Issuance, connectedTo, Road Network Management>
+<Passenger Boarding Pass Issuance, connectedTo, Security Check>
+<Passenger Boarding Pass Issuance, connectedTo, Ticket Purchase>
+<Passenger Boarding Pass Issuance, connectedTo, Vehicle Assignment>
+<Passenger Feedback, connectedTo, Bus Stop Management>
+<Passenger Feedback, partOf, Emergency Landing>
+<Road Network Management, connectedTo, Vehicle Assignment>
+<Schedule Generation, connectedTo, Accident Reconstruction>
+<Schedule Generation, connectedTo, Customs Clearance>
+<Schedule Generation, connectedTo, Luggage Handling>
+<Schedule Generation, connectedTo, Passenger Boarding Pass Issuance>
+<Schedule Generation, connectedTo, Security Check>
+<Schedule Generation, connectedTo, Ticket Purchase>
+<Security Check, connectedTo, Ticket Purchase>
+<Ticket Purchase, connectedTo, Luggage Handling>
+<Traffic Monitoring, connectedTo, Air Traffic Control>
+<Traffic Monitoring, connectedTo, Passenger Boarding Pass Issuance>
diff --git a/test/plantuml/graph_hard/plantuml_160.puml b/test/plantuml/graph_hard/plantuml_160.puml
new file mode 100644
index 0000000000000000000000000000000000000000..e780bb91fdacba9529c1f06b00971e75a91dc7e6
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_160.puml
@@ -0,0 +1,71 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Nanosensors" as Group0 #E3F2FD {
+    folder "Water Purification using Nanomaterials" as nest0_0 #F9FBE7
+    cloud "Solar Cell Efficiency Enhancement" as nest0_1 #F9FBE7
+    frame "Quantum Dots" as nest0_2 #F9FBE7
+}
+rectangle "Regulatory Framework for Nanotech" as Group1 #F3E5F5 {
+    folder "Scanning Electron Microscopy" as nest1_0 #FFDCD6
+    node "Risk Assessment of Nanomaterials" as nest1_1 #F9FBE7
+    folder "Catalysis at Nanoscale" as nest1_2 #FFDCD6
+}
+database "Graphene Production" as N0 #F9FBE7
+folder "Lab_on_a_Chip Devices" as N1 #FFDCD6
+usecase "Bio_Nanotechnology Interface" as N2 #E4E0DF
+node "Drug Delivery Systems" as N3 #E4E0DF
+rectangle "Computational Nanotechnology" as N4 #FFDCD6
+frame "Ethical Implications of Nanotech" as N5 #E4E0DF
+frame "Spintronics" as N6 #E4E0DF
+node "Nanofabrication Techniques" as N7 #F9FBE7
+usecase "Biosensors" as N8 #E4E0DF
+artifact "Carbon Nanotube Synthesis" as N9 #FFDCD6
+cloud "Transmission Electron Microscopy" as N10 #F9FBE7
+rectangle "Energy Storage Applications" as N11 #FFDCD6
+usecase "Environmental Remediation with Nanomaterials" as N12 #E4E0DF
+cloud "Surface Functionalization" as N13 #F9FBE7
+rectangle "Molecular Self_Assembly" as N14 #FFDCD6
+frame "Nanoparticle Characterization" as N15 #F9FBE7
+component "Nanomaterial Synthesis" as N16 #FFDCD6
+component "Quantum Computing Integration" as N17 #FFDCD6
+circle " " as S0 #FFDCD6
+circle " " as S1 #FFDCD6
+circle " " as M0 #F9FBE7
+N0 -[#000000]-> N1 : communicates
+N1 ..[#000000]..> N2
+N2 ..[#FFB2A5]..> N3
+N3 ..[#DCE775]..> N4
+N4 ..[#000000]..> N5
+N5 -[#DCE775]-> N6
+N6 -[#FFB2A5]-> N7
+N7 -[#FFB2A5]-> N8
+N8 ..[#DCE775]..> N9 : monitors
+N9 -[#FFB2A5]-> N10
+N10 -[#DCE775]-> N11
+N11 ..[#FFB2A5]..> N12
+N12 ..[#DCE775]..> N13
+N13 ..[#FFB2A5]..> N14
+N14 -[#BDAFA8]-> N15
+N15 -[#000000]-> N16
+N16 ..[#BDAFA8]..> N17
+nest0_0 -[#000000]-> nest0_1
+nest0_1 ..[#BDAFA8]..> nest0_2
+N5 ..[#BDAFA8]..> nest0_0 : complies
+nest0_2 -[#DCE775]-> N12
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 ..[#DCE775]..> nest1_2
+N4 ..[#FFB2A5]..> nest1_0 : produces
+nest1_2 -[#BDAFA8]-> N12
+N12 ..[#DCE775]..> S0
+S0 -[#000000]-> N15
+S0 ..[#FFB2A5]..> N16
+N11 ..[#FFB2A5]..> S1
+S1 ..[#DCE775]..> N17
+S1 ..[#000000]..> N13 : assembles
+S1 -[#BDAFA8]-> N16
+N7 ..[#DCE775]..> M0
+N5 ..[#DCE775]..> M0
+M0 -[#BDAFA8]-> N15
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_160.txt b/test/plantuml/graph_hard/plantuml_160.txt
new file mode 100644
index 0000000000000000000000000000000000000000..203c9982adc4971e3ed06d3e8fa123141e95540a
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_160.txt
@@ -0,0 +1,38 @@
+<Bio_Nanotechnology Interface, connectedTo, Drug Delivery Systems>
+<Biosensors, monitors, Carbon Nanotube Synthesis>
+<Carbon Nanotube Synthesis, connectedTo, Transmission Electron Microscopy>
+<Catalysis at Nanoscale, connectedTo, Environmental Remediation with Nanomaterials>
+<Catalysis at Nanoscale, partOf, Regulatory Framework for Nanotech>
+<Computational Nanotechnology, connectedTo, Ethical Implications of Nanotech>
+<Computational Nanotechnology, produces, Scanning Electron Microscopy>
+<Drug Delivery Systems, connectedTo, Computational Nanotechnology>
+<Energy Storage Applications, assembles, Surface Functionalization>
+<Energy Storage Applications, connectedTo, Environmental Remediation with Nanomaterials>
+<Energy Storage Applications, connectedTo, Nanomaterial Synthesis>
+<Energy Storage Applications, connectedTo, Quantum Computing Integration>
+<Environmental Remediation with Nanomaterials, connectedTo, Nanomaterial Synthesis>
+<Environmental Remediation with Nanomaterials, connectedTo, Nanoparticle Characterization>
+<Environmental Remediation with Nanomaterials, connectedTo, Surface Functionalization>
+<Ethical Implications of Nanotech, complies, Water Purification using Nanomaterials>
+<Ethical Implications of Nanotech, connectedTo, Nanoparticle Characterization>
+<Ethical Implications of Nanotech, connectedTo, Spintronics>
+<Graphene Production, communicates, Lab_on_a_Chip Devices>
+<Lab_on_a_Chip Devices, connectedTo, Bio_Nanotechnology Interface>
+<Molecular Self_Assembly, connectedTo, Nanoparticle Characterization>
+<Nanofabrication Techniques, connectedTo, Biosensors>
+<Nanofabrication Techniques, connectedTo, Nanoparticle Characterization>
+<Nanomaterial Synthesis, connectedTo, Quantum Computing Integration>
+<Nanoparticle Characterization, connectedTo, Nanomaterial Synthesis>
+<Quantum Dots, connectedTo, Environmental Remediation with Nanomaterials>
+<Quantum Dots, partOf, Nanosensors>
+<Risk Assessment of Nanomaterials, connectedTo, Catalysis at Nanoscale>
+<Risk Assessment of Nanomaterials, partOf, Regulatory Framework for Nanotech>
+<Scanning Electron Microscopy, connectedTo, Risk Assessment of Nanomaterials>
+<Scanning Electron Microscopy, partOf, Regulatory Framework for Nanotech>
+<Solar Cell Efficiency Enhancement, connectedTo, Quantum Dots>
+<Solar Cell Efficiency Enhancement, partOf, Nanosensors>
+<Spintronics, connectedTo, Nanofabrication Techniques>
+<Surface Functionalization, connectedTo, Molecular Self_Assembly>
+<Transmission Electron Microscopy, connectedTo, Energy Storage Applications>
+<Water Purification using Nanomaterials, connectedTo, Solar Cell Efficiency Enhancement>
+<Water Purification using Nanomaterials, partOf, Nanosensors>
diff --git a/test/plantuml/graph_hard/plantuml_161.puml b/test/plantuml/graph_hard/plantuml_161.puml
new file mode 100644
index 0000000000000000000000000000000000000000..f317b0983ffe38dd91519ec4898dfcb62475b869
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_161.puml
@@ -0,0 +1,58 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Spintronics" as Group0 #F1F8E9 {
+    component "Nanomaterial Synthesis" as nest0_0 #F3E5F5
+    component "Spectroscopy" as nest0_1 #F3E5F5
+    component "Biosensors" as nest0_2 #DDCEDD
+}
+rectangle "Environmental Remediation with Nanomaterials" as Group1 #F1F8E9 {
+    usecase "Public Perception of Nanotechnology" as nest1_0 #DDCEDD
+    folder "Nanoparticle Characterization" as nest1_1 #D6D9F0
+}
+node "Nanoscale Imaging" as N0 #F3E5F5
+database "Nanocoatings" as N1 #F3E5F5
+component "Graphene Production" as N2 #F3E5F5
+folder "Computational Nanotechnology" as N3 #DDCEDD
+cloud "Energy Storage Applications" as N4 #DDCEDD
+database "Transmission Electron Microscopy" as N5 #DDCEDD
+usecase "Scanning Electron Microscopy" as N6 #F3E5F5
+folder "Advanced Materials Research" as N7 #DDCEDD
+folder "Regulatory Framework for Nanotech" as N8 #F3E5F5
+folder "Nanodevice Fabrication" as N9 #F3E5F5
+circle " " as S0 #DDCEDD
+circle " " as S1 #D6D9F0
+circle " " as M1 #DDCEDD
+circle " " as M2 #DDCEDD
+N0 ..[#BA68C8]..> N1
+N1 -[#AF56A6]-> N2
+N2 -[#BA68C8]-> N3
+N3 -[#000000]-> N4
+N4 ..[#9FA9E1]..> N5 : integrates
+N5 ..[#9FA9E1]..> N6
+N6 -[#9FA9E1]-> N7
+N7 -[#AF56A6]-> N8
+N8 -[#AF56A6]-> N9 : converts
+nest0_0 ..[#AF56A6]..> nest0_1
+nest0_1 ..[#BA68C8]..> nest0_2
+N7 -[#AF56A6]-> nest0_0
+nest0_2 -[#9FA9E1]-> N6
+nest1_0 ..[#AF56A6]..> nest1_1
+N3 -[#000000]-> nest1_0
+nest1_1 ..[#BA68C8]..> N7
+N0 -[#BA68C8]-> S0
+S0 -[#9FA9E1]-> N7
+S0 ..[#AF56A6]..> N8
+S0 -[#AF56A6]-> N5
+N3 -[#000000]-> S1
+S1 -[#000000]-> N5
+S1 -[#000000]-> N8 : assesses
+S1 ..[#9FA9E1]..> N6
+N5 ..[#BA68C8]..> M1
+N3 -[#9FA9E1]-> M1
+M1 ..[#AF56A6]..> N8
+N4 ..[#9FA9E1]..> M2 : analyzes
+N2 -[#000000]-> M2
+M2 ..[#AF56A6]..> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_161.txt b/test/plantuml/graph_hard/plantuml_161.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d4e1e5270ca5076f4727d1f60b18320cc9633868
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_161.txt
@@ -0,0 +1,31 @@
+<Advanced Materials Research, connectedTo, Nanomaterial Synthesis>
+<Advanced Materials Research, connectedTo, Regulatory Framework for Nanotech>
+<Biosensors, connectedTo, Scanning Electron Microscopy>
+<Biosensors, partOf, Spintronics>
+<Computational Nanotechnology, assesses, Regulatory Framework for Nanotech>
+<Computational Nanotechnology, connectedTo, Energy Storage Applications>
+<Computational Nanotechnology, connectedTo, Public Perception of Nanotechnology>
+<Computational Nanotechnology, connectedTo, Regulatory Framework for Nanotech>
+<Computational Nanotechnology, connectedTo, Scanning Electron Microscopy>
+<Computational Nanotechnology, connectedTo, Transmission Electron Microscopy>
+<Energy Storage Applications, analyzes, Scanning Electron Microscopy>
+<Energy Storage Applications, integrates, Transmission Electron Microscopy>
+<Graphene Production, connectedTo, Computational Nanotechnology>
+<Graphene Production, connectedTo, Scanning Electron Microscopy>
+<Nanocoatings, connectedTo, Graphene Production>
+<Nanomaterial Synthesis, connectedTo, Spectroscopy>
+<Nanomaterial Synthesis, partOf, Spintronics>
+<Nanoparticle Characterization, connectedTo, Advanced Materials Research>
+<Nanoparticle Characterization, partOf, Environmental Remediation with Nanomaterials>
+<Nanoscale Imaging, connectedTo, Advanced Materials Research>
+<Nanoscale Imaging, connectedTo, Nanocoatings>
+<Nanoscale Imaging, connectedTo, Regulatory Framework for Nanotech>
+<Nanoscale Imaging, connectedTo, Transmission Electron Microscopy>
+<Public Perception of Nanotechnology, connectedTo, Nanoparticle Characterization>
+<Public Perception of Nanotechnology, partOf, Environmental Remediation with Nanomaterials>
+<Regulatory Framework for Nanotech, converts, Nanodevice Fabrication>
+<Scanning Electron Microscopy, connectedTo, Advanced Materials Research>
+<Spectroscopy, connectedTo, Biosensors>
+<Spectroscopy, partOf, Spintronics>
+<Transmission Electron Microscopy, connectedTo, Regulatory Framework for Nanotech>
+<Transmission Electron Microscopy, connectedTo, Scanning Electron Microscopy>
diff --git a/test/plantuml/graph_hard/plantuml_162.puml b/test/plantuml/graph_hard/plantuml_162.puml
new file mode 100644
index 0000000000000000000000000000000000000000..a6035b452543736af191f6a9c465c1de1063b9b9
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_162.puml
@@ -0,0 +1,64 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Solar Cell Efficiency Enhancement" as Group0 #EDE7F6 {
+    cloud "Atomic Force Microscopy" as nest0_0 #DFE7EB
+    rectangle "Nanomedicine Development" as nest0_1 #FFF3E0
+}
+rectangle "Spintronics" as Group1 #FBE9E7 {
+    usecase "Nanoelectronics" as nest1_0 #D3F7F9
+    node "Energy Storage Applications" as nest1_1 #D3F7F9
+    frame "Nanotoxicology" as nest1_2 #D3F7F9
+    frame "Quantum Dots" as nest1_3 #DFE7EB
+}
+folder "Nanodevice Fabrication" as N0 #D3F7F9
+cloud "Quantum Computing Integration" as N1 #D3F7F9
+component "Regulatory Framework for Nanotech" as N2 #D3F7F9
+cloud "Biosensors" as N3 #D3F7F9
+component "Nanoscale Imaging" as N4 #FFF3E0
+rectangle "Risk Assessment of Nanomaterials" as N5 #FFF3E0
+rectangle "Transmission Electron Microscopy" as N6 #DFE7EB
+database "Catalysis at Nanoscale" as N7 #DFE7EB
+database "Surface Functionalization" as N8 #FFF3E0
+rectangle "Bio_Nanotechnology Interface" as N9 #D3F7F9
+frame "Nanocoatings" as N10 #FFF3E0
+circle " " as S0 #D3F7F9
+circle " " as S1 #FFF3E0
+circle " " as M0 #DFE7EB
+circle " " as M1 #D3F7F9
+circle " " as M2 #D3F7F9
+N0 -[#FFA726]-> N1
+N1 -[#FFA726]-> N2 : assembles
+N2 -[#000000]-> N3
+N3 ..[#B0C5CD]..> N4
+N4 ..[#80DDEA]..> N5
+N5 -[#FFA726]-> N6
+N6 -[#FFA726]-> N7
+N7 -[#FFA726]-> N8
+N8 -[#000000]-> N9
+N9 ..[#000000]..> N10
+nest0_0 ..[#000000]..> nest0_1
+N7 ..[#80DDEA]..> nest0_0
+nest0_1 -[#B0C5CD]-> N3
+nest1_0 -[#FFA726]-> nest1_1
+nest1_1 ..[#80DDEA]..> nest1_2
+nest1_2 -[#80DDEA]-> nest1_3
+N3 ..[#B0C5CD]..> nest1_0 : filters
+nest1_3 ..[#FFA726]..> N7 : catalyzes
+N5 -[#B0C5CD]-> S0
+S0 -[#FFA726]-> N8
+S0 ..[#FFA726]..> N7
+N4 -[#B0C5CD]-> S1
+S1 -[#000000]-> N6
+S1 -[#B0C5CD]-> N8
+N0 -[#80DDEA]-> M0 : assesses
+N2 -[#FFA726]-> M0
+M0 -[#FFA726]-> N4
+N0 ..[#FFA726]..> M1 : cleans
+N2 -[#000000]-> M1
+M1 ..[#B0C5CD]..> N4
+N4 -[#FFA726]-> M2
+N2 -[#B0C5CD]-> M2
+M2 ..[#80DDEA]..> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_162.txt b/test/plantuml/graph_hard/plantuml_162.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e6b07064a9070873524917f9a2eab51e29e80669
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_162.txt
@@ -0,0 +1,32 @@
+<Atomic Force Microscopy, connectedTo, Nanomedicine Development>
+<Atomic Force Microscopy, partOf, Solar Cell Efficiency Enhancement>
+<Bio_Nanotechnology Interface, connectedTo, Nanocoatings>
+<Biosensors, connectedTo, Nanoscale Imaging>
+<Biosensors, filters, Nanoelectronics>
+<Catalysis at Nanoscale, connectedTo, Atomic Force Microscopy>
+<Catalysis at Nanoscale, connectedTo, Surface Functionalization>
+<Energy Storage Applications, connectedTo, Nanotoxicology>
+<Energy Storage Applications, partOf, Spintronics>
+<Nanodevice Fabrication, assesses, Nanoscale Imaging>
+<Nanodevice Fabrication, cleans, Nanoscale Imaging>
+<Nanodevice Fabrication, connectedTo, Quantum Computing Integration>
+<Nanoelectronics, connectedTo, Energy Storage Applications>
+<Nanoelectronics, partOf, Spintronics>
+<Nanomedicine Development, connectedTo, Biosensors>
+<Nanomedicine Development, partOf, Solar Cell Efficiency Enhancement>
+<Nanoscale Imaging, connectedTo, Risk Assessment of Nanomaterials>
+<Nanoscale Imaging, connectedTo, Surface Functionalization>
+<Nanoscale Imaging, connectedTo, Transmission Electron Microscopy>
+<Nanotoxicology, connectedTo, Quantum Dots>
+<Nanotoxicology, partOf, Spintronics>
+<Quantum Computing Integration, assembles, Regulatory Framework for Nanotech>
+<Quantum Dots, catalyzes, Catalysis at Nanoscale>
+<Quantum Dots, partOf, Spintronics>
+<Regulatory Framework for Nanotech, connectedTo, Biosensors>
+<Regulatory Framework for Nanotech, connectedTo, Nanoscale Imaging>
+<Regulatory Framework for Nanotech, connectedTo, Transmission Electron Microscopy>
+<Risk Assessment of Nanomaterials, connectedTo, Catalysis at Nanoscale>
+<Risk Assessment of Nanomaterials, connectedTo, Surface Functionalization>
+<Risk Assessment of Nanomaterials, connectedTo, Transmission Electron Microscopy>
+<Surface Functionalization, connectedTo, Bio_Nanotechnology Interface>
+<Transmission Electron Microscopy, connectedTo, Catalysis at Nanoscale>
diff --git a/test/plantuml/graph_hard/plantuml_163.txt b/test/plantuml/graph_hard/plantuml_163.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f7403c4ef51cebf76b8a7e41ebc1b0cbf8a809f2
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_163.txt
@@ -0,0 +1,31 @@
+<Decoherence Mitigation, partOf, Interfacing Classical and Quantum Computers>
+<Decoherence Mitigation, solves, Quantum Error Correction>
+<Optimization Problems with Quantum Annealing, connectedTo, Quantum Algorithm Development>
+<Photonic Qubits, connectedTo, Quantum Simulation>
+<Post_Quantum Cryptography, connectedTo, Quantum Supremacy Claims>
+<Post_Quantum Cryptography, partOf, Trapped Ion Qubits>
+<Quantum Advantage Demonstration, connectedTo, Photonic Qubits>
+<Quantum Algorithm Development, connectedTo, Quantum Network Development>
+<Quantum Annealing, connectedTo, Post_Quantum Cryptography>
+<Quantum Annealing, connectedTo, Quantum Algorithm Development>
+<Quantum Annealing, connectedTo, Quantum Hardware Control>
+<Quantum Cloud Computing Services, connectedTo, Optimization Problems with Quantum Annealing>
+<Quantum Coherence Management, connectedTo, Quantum Annealing>
+<Quantum Coherence Management, connectedTo, Quantum Cloud Computing Services>
+<Quantum Coherence Management, connectedTo, Quantum Computing Benchmarking>
+<Quantum Coherence Management, connectedTo, Quantum Computing for AI>
+<Quantum Coherence Management, connectedTo, Quantum Hardware Control>
+<Quantum Coherence Management, connectedTo, Quantum Key Distribution>
+<Quantum Computing Benchmarking, connectedTo, Decoherence Mitigation>
+<Quantum Computing Benchmarking, partOf, Interfacing Classical and Quantum Computers>
+<Quantum Computing for AI, connectedTo, Quantum Annealing>
+<Quantum Error Correction, connectedTo, Superconducting Qubits>
+<Quantum Error Correction, partOf, Interfacing Classical and Quantum Computers>
+<Quantum Hardware Control, connectedTo, Quantum Key Distribution>
+<Quantum Key Distribution, connectedTo, Quantum Algorithm Development>
+<Quantum Key Distribution, connectedTo, Quantum Cloud Computing Services>
+<Quantum Simulation, connectedTo, Quantum Coherence Management>
+<Quantum Supremacy Claims, connectedTo, Quantum Annealing>
+<Quantum Supremacy Claims, partOf, Trapped Ion Qubits>
+<Superconducting Qubits, connectedTo, Optimization Problems with Quantum Annealing>
+<Superconducting Qubits, partOf, Interfacing Classical and Quantum Computers>
diff --git a/test/plantuml/graph_hard/plantuml_164.puml b/test/plantuml/graph_hard/plantuml_164.puml
new file mode 100644
index 0000000000000000000000000000000000000000..004f49a88b7a1dc6aa04f08b6d2723fcb99b3144
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_164.puml
@@ -0,0 +1,57 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Quantum Computing for AI" as Group0 #E8F5E9 {
+    rectangle "Vacuum Systems for Trapped Ions" as nest0_0 #F6F6F6
+    frame "Superconducting Qubits" as nest0_1 #F6F6F6
+    folder "Quantum Circuit Design" as nest0_2 #C5CAE9
+    rectangle "Quantum Sensing" as nest0_3 #EDE7F6
+}
+rectangle "Quantum Computing in Drug Discovery" as Group1 #FFF3E0 {
+    component "Quantum Programming Languages" as nest1_0 #C5CAE9
+    folder "Quantum Software Development Kit" as nest1_1 #EDE7F6
+    node "Quantum Simulation" as nest1_2 #C5CAE9
+    cloud "Quantum Advantage Demonstration" as nest1_3 #C5CAE9
+}
+component "Post_Quantum Cryptography" as N0 #C5CAE9
+rectangle "Quantum Bit Design" as N1 #F6F6F6
+cloud "Quantum Machine Learning" as N2 #C5CAE9
+database "Quantum Communication Protocols" as N3 #C5CAE9
+database "Quantum Annealing" as N4 #EDE7F6
+database "Quantum Cloud Computing Services" as N5 #C5CAE9
+database "Quantum Processor Fabrication" as N6 #F6F6F6
+circle " " as S0 #C5CAE9
+circle " " as S1 #C5CAE9
+circle " " as M0 #C5CAE9
+circle " " as M1 #EDE7F6
+N0 -[#CFCFCF]-> N1
+N1 -[#7E57C2]-> N2
+N2 -[#7E57C2]-> N3
+N3 ..[#7E57C2]..> N4
+N4 ..[#7E57C2]..> N5
+N5 -[#3F51B5]-> N6
+nest0_0 -[#CFCFCF]-> nest0_1
+nest0_1 ..[#CFCFCF]..> nest0_2
+nest0_2 ..[#7E57C2]..> nest0_3
+N1 ..[#7E57C2]..> nest0_0
+nest0_3 ..[#000000]..> N5
+nest1_0 -[#7E57C2]-> nest1_1
+nest1_1 -[#3F51B5]-> nest1_2
+nest1_2 -[#7E57C2]-> nest1_3
+N1 -[#CFCFCF]-> nest1_0
+nest1_3 -[#000000]-> N6
+N1 ..[#3F51B5]..> S0
+S0 -[#7E57C2]-> N6
+S0 ..[#CFCFCF]..> N3
+N0 -[#CFCFCF]-> S1
+S1 ..[#CFCFCF]..> N5
+S1 ..[#3F51B5]..> N4 : corrects
+S1 ..[#CFCFCF]..> N2 : secures
+N0 -[#7E57C2]-> M0 : entangles
+N1 -[#CFCFCF]-> M0
+M0 -[#000000]-> N4
+N0 -[#3F51B5]-> M1 : visualizes
+N1 -[#000000]-> M1
+M1 -[#000000]-> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_164.txt b/test/plantuml/graph_hard/plantuml_164.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c3554a8dbc3bbef986409275e99ebabbfd07e2dd
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_164.txt
@@ -0,0 +1,32 @@
+<Post_Quantum Cryptography, connectedTo, Quantum Bit Design>
+<Post_Quantum Cryptography, connectedTo, Quantum Cloud Computing Services>
+<Post_Quantum Cryptography, corrects, Quantum Annealing>
+<Post_Quantum Cryptography, entangles, Quantum Annealing>
+<Post_Quantum Cryptography, secures, Quantum Machine Learning>
+<Post_Quantum Cryptography, visualizes, Quantum Communication Protocols>
+<Quantum Advantage Demonstration, connectedTo, Quantum Processor Fabrication>
+<Quantum Advantage Demonstration, partOf, Quantum Computing in Drug Discovery>
+<Quantum Annealing, connectedTo, Quantum Cloud Computing Services>
+<Quantum Bit Design, connectedTo, Quantum Annealing>
+<Quantum Bit Design, connectedTo, Quantum Communication Protocols>
+<Quantum Bit Design, connectedTo, Quantum Machine Learning>
+<Quantum Bit Design, connectedTo, Quantum Processor Fabrication>
+<Quantum Bit Design, connectedTo, Quantum Programming Languages>
+<Quantum Bit Design, connectedTo, Vacuum Systems for Trapped Ions>
+<Quantum Circuit Design, connectedTo, Quantum Sensing>
+<Quantum Circuit Design, partOf, Quantum Computing for AI>
+<Quantum Cloud Computing Services, connectedTo, Quantum Processor Fabrication>
+<Quantum Communication Protocols, connectedTo, Quantum Annealing>
+<Quantum Machine Learning, connectedTo, Quantum Communication Protocols>
+<Quantum Programming Languages, connectedTo, Quantum Software Development Kit>
+<Quantum Programming Languages, partOf, Quantum Computing in Drug Discovery>
+<Quantum Sensing, connectedTo, Quantum Cloud Computing Services>
+<Quantum Sensing, partOf, Quantum Computing for AI>
+<Quantum Simulation, connectedTo, Quantum Advantage Demonstration>
+<Quantum Simulation, partOf, Quantum Computing in Drug Discovery>
+<Quantum Software Development Kit, connectedTo, Quantum Simulation>
+<Quantum Software Development Kit, partOf, Quantum Computing in Drug Discovery>
+<Superconducting Qubits, connectedTo, Quantum Circuit Design>
+<Superconducting Qubits, partOf, Quantum Computing for AI>
+<Vacuum Systems for Trapped Ions, connectedTo, Superconducting Qubits>
+<Vacuum Systems for Trapped Ions, partOf, Quantum Computing for AI>
diff --git a/test/plantuml/graph_hard/plantuml_165.puml b/test/plantuml/graph_hard/plantuml_165.puml
new file mode 100644
index 0000000000000000000000000000000000000000..befc04e54e601a0e0b7e0639878ff959989ef9b4
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_165.puml
@@ -0,0 +1,84 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Superconducting Qubits" as Group0 #E0F2F1 {
+    folder "Quantum Advantage Demonstration" as nest0_0 #DED7F0
+    artifact "Quantum Entanglement Generation" as nest0_1 #DED7F0
+}
+rectangle "Quantum Communication Protocols" as Group1 #FFF3E0 {
+    frame "Quantum Error Correction" as nest1_0 #DED7F0
+    frame "Financial Modeling with Quantum Computing" as nest1_1 #DED7F0
+    database "Quantum Software Development Kit" as nest1_2 #E8F0EA
+}
+database "Quantum Coherence Management" as N0 #DFE7EB
+frame "Quantum Computing in Drug Discovery" as N1 #DFE7EB
+folder "Quantum Circuit Design" as N2 #DFE7EB
+node "Quantum Computing Benchmarking" as N3 #DED7F0
+usecase "Quantum Computing Education" as N4 #DFE7EB
+artifact "Quantum Key Distribution" as N5 #DFE7EB
+component "Quantum Simulation" as N6 #E8F0EA
+frame "Quantum Supremacy Claims" as N7 #E8F0EA
+folder "Material Science Simulations" as N8 #DFE7EB
+folder "Quantum Cryptography" as N9 #DFE7EB
+node "Optimization Problems with Quantum Annealing" as N10 #E8F0EA
+component "Decoherence Mitigation" as N11 #E8F0EA
+folder "Quantum Bit Design" as N12 #DED7F0
+database "Quantum Annealing" as N13 #DED7F0
+folder "Quantum Processor Fabrication" as N14 #DFE7EB
+database "Quantum Sensing" as N15 #E8F0EA
+usecase "Quantum Hardware Control" as N16 #DED7F0
+component "Quantum Algorithm Development" as N17 #DFE7EB
+usecase "Post_Quantum Cryptography" as N18 #DED7F0
+circle " " as S0 #DFE7EB
+circle " " as S1 #E8F0EA
+circle " " as S2 #DED7F0
+circle " " as M0 #DED7F0
+circle " " as M1 #DFE7EB
+N0 ..[#B0C5CD]..> N1
+N1 ..[#000000]..> N2
+N2 -[#92C79A]-> N3
+N3 ..[#000000]..> N4
+N4 ..[#B0C5CD]..> N5
+N5 ..[#92C79A]..> N6
+N6 ..[#000000]..> N7
+N7 ..[#B0C5CD]..> N8
+N8 -[#A188DB]-> N9
+N9 ..[#A188DB]..> N10
+N10 -[#92C79A]-> N11
+N11 ..[#000000]..> N12
+N12 -[#000000]-> N13
+N13 -[#000000]-> N14
+N14 ..[#000000]..> N15
+N15 ..[#92C79A]..> N16
+N16 ..[#92C79A]..> N17 : researches
+N17 ..[#B0C5CD]..> N18
+nest0_0 ..[#B0C5CD]..> nest0_1
+N5 ..[#92C79A]..> nest0_0
+nest0_1 ..[#000000]..> N11
+nest1_0 -[#B0C5CD]-> nest1_1
+nest1_1 -[#92C79A]-> nest1_2
+N3 -[#A188DB]-> nest1_0
+nest1_2 ..[#B0C5CD]..> N6
+N13 ..[#A188DB]..> S0
+S0 -[#92C79A]-> N15
+S0 ..[#92C79A]..> N18
+S0 ..[#000000]..> N16
+S0 ..[#B0C5CD]..> N17
+N9 -[#A188DB]-> S1
+S1 -[#B0C5CD]-> N13
+S1 -[#B0C5CD]-> N14
+N0 -[#B0C5CD]-> S2
+S2 ..[#A188DB]..> N4
+S2 ..[#B0C5CD]..> N14
+S2 -[#000000]-> N18
+S2 ..[#A188DB]..> N10
+N6 ..[#B0C5CD]..> M0
+N0 -[#A188DB]-> M0
+N9 ..[#B0C5CD]..> M0
+N7 -[#92C79A]-> M0
+M0 ..[#000000]..> N15
+N2 -[#B0C5CD]-> M1
+N3 -[#B0C5CD]-> M1
+M1 -[#B0C5CD]-> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_165.txt b/test/plantuml/graph_hard/plantuml_165.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0d2067dbb0ce2289abc185c9f9d2ce7f2d898ade
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_165.txt
@@ -0,0 +1,46 @@
+<Decoherence Mitigation, connectedTo, Quantum Bit Design>
+<Financial Modeling with Quantum Computing, connectedTo, Quantum Software Development Kit>
+<Financial Modeling with Quantum Computing, partOf, Quantum Communication Protocols>
+<Material Science Simulations, connectedTo, Quantum Cryptography>
+<Optimization Problems with Quantum Annealing, connectedTo, Decoherence Mitigation>
+<Quantum Advantage Demonstration, connectedTo, Quantum Entanglement Generation>
+<Quantum Advantage Demonstration, partOf, Superconducting Qubits>
+<Quantum Algorithm Development, connectedTo, Post_Quantum Cryptography>
+<Quantum Annealing, connectedTo, Post_Quantum Cryptography>
+<Quantum Annealing, connectedTo, Quantum Algorithm Development>
+<Quantum Annealing, connectedTo, Quantum Hardware Control>
+<Quantum Annealing, connectedTo, Quantum Processor Fabrication>
+<Quantum Annealing, connectedTo, Quantum Sensing>
+<Quantum Bit Design, connectedTo, Quantum Annealing>
+<Quantum Circuit Design, connectedTo, Quantum Computing Benchmarking>
+<Quantum Circuit Design, connectedTo, Quantum Simulation>
+<Quantum Coherence Management, connectedTo, Optimization Problems with Quantum Annealing>
+<Quantum Coherence Management, connectedTo, Post_Quantum Cryptography>
+<Quantum Coherence Management, connectedTo, Quantum Computing Education>
+<Quantum Coherence Management, connectedTo, Quantum Computing in Drug Discovery>
+<Quantum Coherence Management, connectedTo, Quantum Processor Fabrication>
+<Quantum Coherence Management, connectedTo, Quantum Sensing>
+<Quantum Computing Benchmarking, connectedTo, Quantum Computing Education>
+<Quantum Computing Benchmarking, connectedTo, Quantum Error Correction>
+<Quantum Computing Benchmarking, connectedTo, Quantum Simulation>
+<Quantum Computing Education, connectedTo, Quantum Key Distribution>
+<Quantum Computing in Drug Discovery, connectedTo, Quantum Circuit Design>
+<Quantum Cryptography, connectedTo, Optimization Problems with Quantum Annealing>
+<Quantum Cryptography, connectedTo, Quantum Annealing>
+<Quantum Cryptography, connectedTo, Quantum Processor Fabrication>
+<Quantum Cryptography, connectedTo, Quantum Sensing>
+<Quantum Entanglement Generation, connectedTo, Decoherence Mitigation>
+<Quantum Entanglement Generation, partOf, Superconducting Qubits>
+<Quantum Error Correction, connectedTo, Financial Modeling with Quantum Computing>
+<Quantum Error Correction, partOf, Quantum Communication Protocols>
+<Quantum Hardware Control, researches, Quantum Algorithm Development>
+<Quantum Key Distribution, connectedTo, Quantum Advantage Demonstration>
+<Quantum Key Distribution, connectedTo, Quantum Simulation>
+<Quantum Processor Fabrication, connectedTo, Quantum Sensing>
+<Quantum Sensing, connectedTo, Quantum Hardware Control>
+<Quantum Simulation, connectedTo, Quantum Sensing>
+<Quantum Simulation, connectedTo, Quantum Supremacy Claims>
+<Quantum Software Development Kit, connectedTo, Quantum Simulation>
+<Quantum Software Development Kit, partOf, Quantum Communication Protocols>
+<Quantum Supremacy Claims, connectedTo, Material Science Simulations>
+<Quantum Supremacy Claims, connectedTo, Quantum Sensing>
diff --git a/test/plantuml/graph_hard/plantuml_166.puml b/test/plantuml/graph_hard/plantuml_166.puml
new file mode 100644
index 0000000000000000000000000000000000000000..7c379d85c520a17f28d3439858f0ce2206a25883
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_166.puml
@@ -0,0 +1,53 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "User Interface Design" as Group0 #EDE7F6 {
+    cloud "Data Visualization in AR or VR" as nest0_0 #ECEFF1
+    artifact "Environment Mapping" as nest0_1 #FFE88D
+}
+rectangle "User Experience Testing" as Group1 #F1F8E9 {
+    rectangle "Immersive Storytelling" as nest1_0 #ECEFF1
+    frame "Live Event Streaming in VR" as nest1_1 #FFE88D
+    folder "Eye Tracking" as nest1_2 #ECEFF1
+    frame "Virtual Reality Game Development" as nest1_3 #ECEFF1
+}
+frame "Ethical Considerations in AR or VR" as N0 #C8EDFF
+folder "Software Development Kit Integration" as N1 #ECEFF1
+frame "Performance Optimization" as N2 #C8EDFF
+folder "Remote Collaboration Tools" as N3 #FFE88D
+cloud "Educational Content Development" as N4 #FFE88D
+rectangle "Comfort and Ergonomics Design" as N5 #FFE88D
+component "Virtual Tourism Experiences" as N6 #C8EDFF
+database "3D Model Creation" as N7 #ECEFF1
+usecase "Facial Recognition in AR or VR" as N8 #FFE88D
+rectangle "Wearable AR Devices" as N9 #C8EDFF
+circle " " as S0 #ECEFF1
+circle " " as M0 #FFE88D
+N0 -[#000000]-> N1
+N1 ..[#000000]..> N2
+N2 ..[#000000]..> N3
+N3 ..[#90A4AE]..> N4
+N4 ..[#90A4AE]..> N5
+N5 ..[#90A4AE]..> N6
+N6 ..[#FFDA4E]..> N7
+N7 ..[#82DAFF]..> N8
+N8 ..[#90A4AE]..> N9
+nest0_0 -[#90A4AE]-> nest0_1
+N7 ..[#FFDA4E]..> nest0_0
+nest0_1 ..[#FFDA4E]..> N9
+nest1_0 -[#FFDA4E]-> nest1_1
+nest1_1 ..[#90A4AE]..> nest1_2
+nest1_2 ..[#000000]..> nest1_3
+N1 ..[#000000]..> nest1_0
+nest1_3 -[#90A4AE]-> N3
+N5 -[#82DAFF]-> S0
+S0 ..[#82DAFF]..> N8
+S0 -[#82DAFF]-> N9
+S0 ..[#82DAFF]..> N7
+N4 -[#FFDA4E]-> M0
+N5 ..[#90A4AE]..> M0
+N7 -[#90A4AE]-> M0
+M0 ..[#FFDA4E]..> N9
+N1 -[#FFDA4E]-> nest1_1
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_166.txt b/test/plantuml/graph_hard/plantuml_166.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cececbe7f23d7476ac9a2c5b665cb695cb0f69ce
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_166.txt
@@ -0,0 +1,29 @@
+<3D Model Creation, connectedTo, Data Visualization in AR or VR>
+<3D Model Creation, connectedTo, Facial Recognition in AR or VR>
+<3D Model Creation, connectedTo, Wearable AR Devices>
+<Comfort and Ergonomics Design, connectedTo, 3D Model Creation>
+<Comfort and Ergonomics Design, connectedTo, Facial Recognition in AR or VR>
+<Comfort and Ergonomics Design, connectedTo, Virtual Tourism Experiences>
+<Comfort and Ergonomics Design, connectedTo, Wearable AR Devices>
+<Data Visualization in AR or VR, connectedTo, Environment Mapping>
+<Data Visualization in AR or VR, partOf, User Interface Design>
+<Educational Content Development, connectedTo, Comfort and Ergonomics Design>
+<Educational Content Development, connectedTo, Wearable AR Devices>
+<Environment Mapping, connectedTo, Wearable AR Devices>
+<Environment Mapping, partOf, User Interface Design>
+<Ethical Considerations in AR or VR, connectedTo, Software Development Kit Integration>
+<Eye Tracking, connectedTo, Virtual Reality Game Development>
+<Eye Tracking, partOf, User Experience Testing>
+<Facial Recognition in AR or VR, connectedTo, Wearable AR Devices>
+<Immersive Storytelling, connectedTo, Live Event Streaming in VR>
+<Immersive Storytelling, partOf, User Experience Testing>
+<Live Event Streaming in VR, connectedTo, Eye Tracking>
+<Live Event Streaming in VR, partOf, User Experience Testing>
+<Performance Optimization, connectedTo, Remote Collaboration Tools>
+<Remote Collaboration Tools, connectedTo, Educational Content Development>
+<Software Development Kit Integration, connectedTo, Immersive Storytelling>
+<Software Development Kit Integration, connectedTo, Live Event Streaming in VR>
+<Software Development Kit Integration, connectedTo, Performance Optimization>
+<Virtual Reality Game Development, connectedTo, Remote Collaboration Tools>
+<Virtual Reality Game Development, partOf, User Experience Testing>
+<Virtual Tourism Experiences, connectedTo, 3D Model Creation>
diff --git a/test/plantuml/graph_hard/plantuml_167.puml b/test/plantuml/graph_hard/plantuml_167.puml
new file mode 100644
index 0000000000000000000000000000000000000000..5496dbb3d210c36164e3da8286851f5ad4bea9c9
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_167.puml
@@ -0,0 +1,62 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Latency Reduction" as Group0 #ECEFF1 {
+    rectangle "Gesture Recognition" as nest0_0 #FFFAE0
+    folder "User Interface Design" as nest0_1 #FFFAE0
+    node "Haptic Feedback Integration" as nest0_2 #FFF3E0
+    frame "Ethical Considerations in AR or VR" as nest0_3 #FFF3E0
+}
+rectangle "Tracking System Calibration" as Group1 #F3E5F5 {
+    folder "Software Development Kit Integration" as nest1_0 #FFF3E0
+    folder "Facial Recognition in AR or VR" as nest1_1 #F0F0F0
+}
+rectangle "AR for Navigation" as N0 #FFF3E0
+usecase "Eye Tracking" as N1 #FFFAE0
+database "Immersive Storytelling" as N2 #F0F0F0
+folder "Virtual Showrooms" as N3 #FFF3E0
+component "Field of View Optimization" as N4 #FFF3E0
+frame "Cloud_based AR or VR Rendering" as N5 #FFFAE0
+folder "Spatial Audio Implementation" as N6 #F0F0F0
+artifact "Virtual Tourism Experiences" as N7 #FFFAE0
+frame "Retail Experience Enhancement" as N8 #FFF3E0
+usecase "Virtual Reality Game Development" as N9 #FFFAE0
+node "Architectural Visualization" as N10 #F0F0F0
+usecase "Training Simulations" as N11 #F0F0F0
+artifact "Data Visualization in AR or VR" as N12 #F0F0F0
+circle " " as S0 #FFFAE0
+circle " " as M0 #FFF3E0
+circle " " as M1 #FFFAE0
+N0 -[#FFA726]-> N1
+N1 ..[#FFA726]..> N2
+N2 -[#FFA726]-> N3
+N3 -[#FFE470]-> N4 : visualizes
+N4 -[#000000]-> N5 : trains
+N5 -[#000000]-> N6
+N6 -[#D2D2D2]-> N7
+N7 ..[#FFE470]..> N8
+N8 ..[#000000]..> N9 : renders
+N9 -[#FFA726]-> N10
+N10 ..[#000000]..> N11
+N11 ..[#000000]..> N12
+nest0_0 ..[#D2D2D2]..> nest0_1
+nest0_1 -[#D2D2D2]-> nest0_2
+nest0_2 -[#D2D2D2]-> nest0_3
+N9 ..[#FFA726]..> nest0_0
+nest0_3 ..[#FFA726]..> N4
+nest1_0 ..[#000000]..> nest1_1
+N7 ..[#FFE470]..> nest1_0
+nest1_1 ..[#D2D2D2]..> N6
+N8 ..[#D2D2D2]..> S0
+S0 -[#FFE470]-> N10
+S0 ..[#FFA726]..> N11
+S0 ..[#FFA726]..> N12 : overlays
+N6 ..[#FFA726]..> M0
+N0 -[#FFE470]-> M0
+N1 ..[#FFA726]..> M0
+M0 ..[#000000]..> N8
+N2 ..[#FFA726]..> M1
+N3 ..[#D2D2D2]..> M1
+M1 -[#000000]-> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_167.txt b/test/plantuml/graph_hard/plantuml_167.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d86b4e64a2c77971f51e6956e4db783fe465bac8
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_167.txt
@@ -0,0 +1,34 @@
+<AR for Navigation, connectedTo, Eye Tracking>
+<AR for Navigation, connectedTo, Retail Experience Enhancement>
+<Architectural Visualization, connectedTo, Training Simulations>
+<Cloud_based AR or VR Rendering, connectedTo, Spatial Audio Implementation>
+<Ethical Considerations in AR or VR, connectedTo, Field of View Optimization>
+<Ethical Considerations in AR or VR, partOf, Latency Reduction>
+<Eye Tracking, connectedTo, Immersive Storytelling>
+<Eye Tracking, connectedTo, Retail Experience Enhancement>
+<Facial Recognition in AR or VR, connectedTo, Spatial Audio Implementation>
+<Facial Recognition in AR or VR, partOf, Tracking System Calibration>
+<Field of View Optimization, trains, Cloud_based AR or VR Rendering>
+<Gesture Recognition, connectedTo, User Interface Design>
+<Gesture Recognition, partOf, Latency Reduction>
+<Haptic Feedback Integration, connectedTo, Ethical Considerations in AR or VR>
+<Haptic Feedback Integration, partOf, Latency Reduction>
+<Immersive Storytelling, connectedTo, Cloud_based AR or VR Rendering>
+<Immersive Storytelling, connectedTo, Virtual Showrooms>
+<Retail Experience Enhancement, connectedTo, Architectural Visualization>
+<Retail Experience Enhancement, connectedTo, Training Simulations>
+<Retail Experience Enhancement, overlays, Data Visualization in AR or VR>
+<Retail Experience Enhancement, renders, Virtual Reality Game Development>
+<Software Development Kit Integration, connectedTo, Facial Recognition in AR or VR>
+<Software Development Kit Integration, partOf, Tracking System Calibration>
+<Spatial Audio Implementation, connectedTo, Retail Experience Enhancement>
+<Spatial Audio Implementation, connectedTo, Virtual Tourism Experiences>
+<Training Simulations, connectedTo, Data Visualization in AR or VR>
+<User Interface Design, connectedTo, Haptic Feedback Integration>
+<User Interface Design, partOf, Latency Reduction>
+<Virtual Reality Game Development, connectedTo, Architectural Visualization>
+<Virtual Reality Game Development, connectedTo, Gesture Recognition>
+<Virtual Showrooms, connectedTo, Cloud_based AR or VR Rendering>
+<Virtual Showrooms, visualizes, Field of View Optimization>
+<Virtual Tourism Experiences, connectedTo, Retail Experience Enhancement>
+<Virtual Tourism Experiences, connectedTo, Software Development Kit Integration>
diff --git a/test/plantuml/graph_hard/plantuml_168.puml b/test/plantuml/graph_hard/plantuml_168.puml
new file mode 100644
index 0000000000000000000000000000000000000000..793e7eeab52be13a9ea6930b9abf1e0e772b16d4
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_168.puml
@@ -0,0 +1,69 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Hardware Prototyping" as Group0 #E3F2FD {
+    cloud "Data Visualization in AR or VR" as nest0_0 #F6F6F6
+    frame "Spatial Audio Implementation" as nest0_1 #F6F6F6
+    database "Live Event Streaming in VR" as nest0_2 #FFF9D4
+    component "Virtual Tourism Experiences" as nest0_3 #F6F6F6
+}
+rectangle "Environment Mapping" as Group1 #ECEFF1 {
+    cloud "User Experience Testing" as nest1_0 #E8EAF6
+    rectangle "Educational Content Development" as nest1_1 #E8EAF6
+    usecase "Training Simulations" as nest1_2 #E8EAF6
+}
+node "Industrial Maintenance Support" as N0 #FFF9D4
+component "Hand Tracking and Interaction" as N1 #FFF9D4
+database "Retail Experience Enhancement" as N2 #FFF9D4
+folder "Ethical Considerations in AR or VR" as N3 #FFF9D4
+node "Facial Recognition in AR or VR" as N4 #FFF9D4
+database "Multiplayer Experience Design" as N5 #E8EAF6
+folder "Augmented Reality App Development" as N6 #FFF9D4
+usecase "Architectural Visualization" as N7 #E8EAF6
+folder "Virtual Showrooms" as N8 #F6F6F6
+database "AR for Navigation" as N9 #F6F6F6
+usecase "Haptic Feedback Integration" as N10 #F6F6F6
+artifact "Headset Development" as N11 #F6F6F6
+node "Software Development Kit Integration" as N12 #F6F6F6
+folder "Gesture Recognition" as N13 #F6F6F6
+folder "Cloud_based AR or VR Rendering" as N14 #FFF9D4
+circle " " as S0 #FFF9D4
+circle " " as S1 #E8EAF6
+circle " " as M1 #FFF9D4
+N0 -[#000000]-> N1
+N1 -[#000000]-> N2
+N2 ..[#FFE69C]..> N3
+N3 -[#5C6BC0]-> N4 : navigates
+N4 -[#FFE69C]-> N5
+N5 ..[#000000]..> N6
+N6 -[#000000]-> N7
+N7 -[#5C6BC0]-> N8
+N8 -[#CFCFCF]-> N9
+N9 -[#000000]-> N10
+N10 -[#CFCFCF]-> N11
+N11 -[#FFE69C]-> N12
+N12 -[#CFCFCF]-> N13
+N13 ..[#FFE69C]..> N14
+nest0_0 -[#FFE69C]-> nest0_1
+nest0_1 -[#5C6BC0]-> nest0_2
+nest0_2 ..[#CFCFCF]..> nest0_3
+N6 -[#5C6BC0]-> nest0_0
+nest0_3 -[#FFE69C]-> N7
+nest1_0 -[#5C6BC0]-> nest1_1
+nest1_1 ..[#5C6BC0]..> nest1_2
+N1 ..[#5C6BC0]..> nest1_0
+nest1_2 ..[#000000]..> N1
+N9 ..[#5C6BC0]..> S0
+S0 -[#FFE69C]-> N13
+S0 -[#000000]-> N14
+S0 -[#000000]-> N12
+S0 ..[#5C6BC0]..> N11
+N5 -[#000000]-> S1
+S1 ..[#CFCFCF]..> N9
+S1 ..[#FFE69C]..> N8
+N2 -[#5C6BC0]-> M1
+N0 ..[#000000]..> M1
+M1 -[#CFCFCF]-> N7
+nest1_2 -[#5C6BC0]-> N14
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_168.txt b/test/plantuml/graph_hard/plantuml_168.txt
new file mode 100644
index 0000000000000000000000000000000000000000..779fb82544c54f8fe0222fc86142587577a1c81d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_168.txt
@@ -0,0 +1,39 @@
+<AR for Navigation, connectedTo, Cloud_based AR or VR Rendering>
+<AR for Navigation, connectedTo, Gesture Recognition>
+<AR for Navigation, connectedTo, Haptic Feedback Integration>
+<AR for Navigation, connectedTo, Headset Development>
+<AR for Navigation, connectedTo, Software Development Kit Integration>
+<Architectural Visualization, connectedTo, Virtual Showrooms>
+<Augmented Reality App Development, connectedTo, Architectural Visualization>
+<Augmented Reality App Development, connectedTo, Data Visualization in AR or VR>
+<Data Visualization in AR or VR, connectedTo, Spatial Audio Implementation>
+<Data Visualization in AR or VR, partOf, Hardware Prototyping>
+<Educational Content Development, connectedTo, Training Simulations>
+<Educational Content Development, partOf, Environment Mapping>
+<Ethical Considerations in AR or VR, navigates, Facial Recognition in AR or VR>
+<Facial Recognition in AR or VR, connectedTo, Multiplayer Experience Design>
+<Gesture Recognition, connectedTo, Cloud_based AR or VR Rendering>
+<Hand Tracking and Interaction, connectedTo, Retail Experience Enhancement>
+<Hand Tracking and Interaction, connectedTo, User Experience Testing>
+<Haptic Feedback Integration, connectedTo, Headset Development>
+<Headset Development, connectedTo, Software Development Kit Integration>
+<Industrial Maintenance Support, connectedTo, Architectural Visualization>
+<Industrial Maintenance Support, connectedTo, Hand Tracking and Interaction>
+<Live Event Streaming in VR, connectedTo, Virtual Tourism Experiences>
+<Live Event Streaming in VR, partOf, Hardware Prototyping>
+<Multiplayer Experience Design, connectedTo, AR for Navigation>
+<Multiplayer Experience Design, connectedTo, Augmented Reality App Development>
+<Multiplayer Experience Design, connectedTo, Virtual Showrooms>
+<Retail Experience Enhancement, connectedTo, Architectural Visualization>
+<Retail Experience Enhancement, connectedTo, Ethical Considerations in AR or VR>
+<Software Development Kit Integration, connectedTo, Gesture Recognition>
+<Spatial Audio Implementation, connectedTo, Live Event Streaming in VR>
+<Spatial Audio Implementation, partOf, Hardware Prototyping>
+<Training Simulations, connectedTo, Cloud_based AR or VR Rendering>
+<Training Simulations, connectedTo, Hand Tracking and Interaction>
+<Training Simulations, partOf, Environment Mapping>
+<User Experience Testing, connectedTo, Educational Content Development>
+<User Experience Testing, partOf, Environment Mapping>
+<Virtual Showrooms, connectedTo, AR for Navigation>
+<Virtual Tourism Experiences, connectedTo, Architectural Visualization>
+<Virtual Tourism Experiences, partOf, Hardware Prototyping>
diff --git a/test/plantuml/graph_hard/plantuml_169.puml b/test/plantuml/graph_hard/plantuml_169.puml
new file mode 100644
index 0000000000000000000000000000000000000000..c9de8cac1164c66ac5ff2802e5a031ba1b1ed671
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_169.puml
@@ -0,0 +1,74 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Game Analytics" as Group0 #F3E5F5 {
+    cloud "Game Publishing" as nest0_0 #D3F7F9
+    database "Network Code Optimization" as nest0_1 #D3F7F9
+}
+rectangle "Engine Development" as Group1 #FCE4EC {
+    artifact "Sound Design" as nest1_0 #FFE0B2
+    usecase "Community Management" as nest1_1 #D3F7F9
+    artifact "Monetization Strategy" as nest1_2 #FFE0B2
+}
+cloud "Level Design" as N0 #FFE0B2
+component "User Interface Design" as N1 #EDE7F6
+rectangle "Voice Acting" as N2 #EDE7F6
+frame "Game Performance Optimization" as N3 #D3F7F9
+database "Game Engine Customization" as N4 #EDE7F6
+cloud "Console Game Development" as N5 #EDE7F6
+node "Quality Assurance Testing" as N6 #FFE0B2
+component "In_Game Economy Design" as N7 #EDE7F6
+usecase "PC Game Development" as N8 #FFE0B2
+rectangle "Virtual Reality Gaming" as N9 #D3F7F9
+artifact "Esports Event Organization" as N10 #FFE0B2
+component "Programming" as N11 #EDE7F6
+artifact "Art Direction" as N12 #EDE7F6
+database "Marketing and Promotion" as N13 #FFE0B2
+node "Player Feedback Integration" as N14 #FFE0B2
+rectangle "AI Behavior Programming" as N15 #FFE0B2
+node "Localization" as N16 #FFE0B2
+folder "Multiplayer Game Development" as N17 #D3F7F9
+circle " " as S0 #FFE0B2
+circle " " as S1 #D3F7F9
+circle " " as M0 #EDE7F6
+circle " " as M1 #FFE0B2
+N0 ..[#FF9800]..> N1
+N1 -[#FF9800]-> N2
+N2 -[#9575CD]-> N3
+N3 -[#FF9800]-> N4
+N4 -[#9575CD]-> N5
+N5 -[#80DDEA]-> N6
+N6 -[#9575CD]-> N7 : distributes
+N7 ..[#80DDEA]..> N8
+N8 ..[#000000]..> N9
+N9 -[#000000]-> N10
+N10 ..[#80DDEA]..> N11
+N11 -[#80DDEA]-> N12
+N12 ..[#80DDEA]..> N13
+N13 ..[#000000]..> N14
+N14 ..[#80DDEA]..> N15
+N15 ..[#000000]..> N16
+N16 -[#FF9800]-> N17 : engages
+nest0_0 ..[#000000]..> nest0_1
+N11 ..[#FF9800]..> nest0_0
+nest0_1 -[#9575CD]-> N11
+nest1_0 -[#80DDEA]-> nest1_1
+nest1_1 ..[#9575CD]..> nest1_2
+N2 -[#9575CD]-> nest1_0
+nest1_2 -[#FF9800]-> N16
+N2 ..[#FF9800]..> S0
+S0 -[#80DDEA]-> N7
+S0 ..[#FF9800]..> N16
+S0 ..[#9575CD]..> N4
+N5 -[#000000]-> S1
+S1 -[#000000]-> N9
+S1 ..[#FF9800]..> N8
+S1 ..[#80DDEA]..> N11
+N1 ..[#000000]..> M0
+N10 -[#000000]-> M0
+M0 -[#FF9800]-> N12
+N4 ..[#80DDEA]..> M1 : sponsors
+N13 -[#FF9800]-> M1
+M1 ..[#000000]..> N15
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_169.txt b/test/plantuml/graph_hard/plantuml_169.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8c92b993878f76bd6d54657302011e4fec91f0b8
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_169.txt
@@ -0,0 +1,39 @@
+<AI Behavior Programming, connectedTo, Localization>
+<Art Direction, connectedTo, Marketing and Promotion>
+<Community Management, connectedTo, Monetization Strategy>
+<Community Management, partOf, Engine Development>
+<Console Game Development, connectedTo, PC Game Development>
+<Console Game Development, connectedTo, Programming>
+<Console Game Development, connectedTo, Quality Assurance Testing>
+<Console Game Development, connectedTo, Virtual Reality Gaming>
+<Esports Event Organization, connectedTo, Art Direction>
+<Esports Event Organization, connectedTo, Programming>
+<Game Engine Customization, connectedTo, Console Game Development>
+<Game Engine Customization, sponsors, AI Behavior Programming>
+<Game Performance Optimization, connectedTo, Game Engine Customization>
+<Game Publishing, connectedTo, Network Code Optimization>
+<Game Publishing, partOf, Game Analytics>
+<In_Game Economy Design, connectedTo, PC Game Development>
+<Level Design, connectedTo, User Interface Design>
+<Localization, engages, Multiplayer Game Development>
+<Marketing and Promotion, connectedTo, AI Behavior Programming>
+<Marketing and Promotion, connectedTo, Player Feedback Integration>
+<Monetization Strategy, connectedTo, Localization>
+<Monetization Strategy, partOf, Engine Development>
+<Network Code Optimization, connectedTo, Programming>
+<Network Code Optimization, partOf, Game Analytics>
+<PC Game Development, connectedTo, Virtual Reality Gaming>
+<Player Feedback Integration, connectedTo, AI Behavior Programming>
+<Programming, connectedTo, Art Direction>
+<Programming, connectedTo, Game Publishing>
+<Quality Assurance Testing, distributes, In_Game Economy Design>
+<Sound Design, connectedTo, Community Management>
+<Sound Design, partOf, Engine Development>
+<User Interface Design, connectedTo, Art Direction>
+<User Interface Design, connectedTo, Voice Acting>
+<Virtual Reality Gaming, connectedTo, Esports Event Organization>
+<Voice Acting, connectedTo, Game Engine Customization>
+<Voice Acting, connectedTo, Game Performance Optimization>
+<Voice Acting, connectedTo, In_Game Economy Design>
+<Voice Acting, connectedTo, Localization>
+<Voice Acting, connectedTo, Sound Design>
diff --git a/test/plantuml/graph_hard/plantuml_17.puml b/test/plantuml/graph_hard/plantuml_17.puml
new file mode 100644
index 0000000000000000000000000000000000000000..32f2d06eac63ff8b5cabab995e725b074f0eef52
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_17.puml
@@ -0,0 +1,73 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Accident Reconstruction" as Group0 #FCE4EC {
+    node "Cargo Loading" as nest0_0 #F1F8E9
+    frame "Customs Clearance" as nest0_1 #FFF0CC
+}
+rectangle "Air Traffic Control" as Group1 #E0F2F1 {
+    component "Bus Stop Management" as nest1_0 #F1F8E9
+    node "Tunnel Monitoring" as nest1_1 #FFF0CC
+    cloud "Platform Assignment" as nest1_2 #F1F8E9
+    folder "Delay Alert" as nest1_3 #D3D7EB
+}
+artifact "Navigation Update" as N0 #F1F8E9
+frame "Fare Calculation" as N1 #D3D7EB
+rectangle "Luggage Handling" as N2 #FFF0CC
+usecase "Arrival" as N3 #F1F8E9
+database "Traffic Monitoring" as N4 #FFF0CC
+node "Schedule Generation" as N5 #D3D7EB
+node "Maintenance Check" as N6 #FFF0CC
+node "Parking Management" as N7 #F1F8E9
+folder "Road Network Management" as N8 #FFF0CC
+artifact "Train Dispatch" as N9 #FFF0CC
+folder "Route Diversion" as N10 #D3D7EB
+folder "Public Transport Ticketing" as N11 #D3D7EB
+node "Passenger Feedback" as N12 #FFF0CC
+frame "Emergency Landing" as N13 #F1F8E9
+frame "Fleet Management" as N14 #FFF0CC
+component "Driver Allocation" as N15 #D3D7EB
+usecase "Location Input" as N16 #FFF0CC
+cloud "Fueling" as N17 #F1F8E9
+circle " " as S0 #FFF0CC
+circle " " as S1 #D3D7EB
+circle " " as M0 #FFF0CC
+N0 ..[#FFCC80]..> N1
+N1 -[#388E3C]-> N2
+N2 ..[#8C9EFF]..> N3
+N3 -[#388E3C]-> N4
+N4 -[#8C9EFF]-> N5
+N5 ..[#FFCC80]..> N6
+N6 -[#FFCC80]-> N7
+N7 ..[#388E3C]..> N8
+N8 ..[#000000]..> N9
+N9 -[#8C9EFF]-> N10 : calculates
+N10 ..[#388E3C]..> N11
+N11 ..[#388E3C]..> N12 : communicates
+N12 -[#000000]-> N13
+N13 ..[#000000]..> N14
+N14 -[#388E3C]-> N15
+N15 -[#FFCC80]-> N16 : diversifies
+N16 ..[#FFCC80]..> N17
+nest0_0 ..[#FFCC80]..> nest0_1 : navigates
+N15 -[#388E3C]-> nest0_0
+nest0_1 -[#8C9EFF]-> N8
+nest1_0 -[#000000]-> nest1_1
+nest1_1 -[#8C9EFF]-> nest1_2
+nest1_2 -[#FFCC80]-> nest1_3
+N9 -[#388E3C]-> nest1_0 : inspects
+nest1_3 -[#FFCC80]-> N1 : routes
+N3 -[#8C9EFF]-> S0
+S0 -[#FFCC80]-> N15
+S0 -[#000000]-> N8
+S0 ..[#8C9EFF]..> N14
+N4 -[#388E3C]-> S1
+S1 -[#FFCC80]-> N7
+S1 ..[#388E3C]..> N15
+S1 ..[#8C9EFF]..> N17
+N4 ..[#000000]..> M0
+N5 ..[#388E3C]..> M0
+N2 -[#388E3C]-> M0
+M0 -[#388E3C]-> N11
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_17.txt b/test/plantuml/graph_hard/plantuml_17.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ffcb3a84cd999aa87ba24355b8bf7928a76853bf
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_17.txt
@@ -0,0 +1,40 @@
+<Arrival, connectedTo, Driver Allocation>
+<Arrival, connectedTo, Fleet Management>
+<Arrival, connectedTo, Road Network Management>
+<Arrival, connectedTo, Traffic Monitoring>
+<Bus Stop Management, connectedTo, Tunnel Monitoring>
+<Bus Stop Management, partOf, Air Traffic Control>
+<Cargo Loading, navigates, Customs Clearance>
+<Cargo Loading, partOf, Accident Reconstruction>
+<Customs Clearance, connectedTo, Road Network Management>
+<Customs Clearance, partOf, Accident Reconstruction>
+<Delay Alert, partOf, Air Traffic Control>
+<Delay Alert, routes, Fare Calculation>
+<Driver Allocation, connectedTo, Cargo Loading>
+<Driver Allocation, diversifies, Location Input>
+<Emergency Landing, connectedTo, Fleet Management>
+<Fare Calculation, connectedTo, Luggage Handling>
+<Fleet Management, connectedTo, Driver Allocation>
+<Location Input, connectedTo, Fueling>
+<Luggage Handling, connectedTo, Arrival>
+<Luggage Handling, connectedTo, Public Transport Ticketing>
+<Maintenance Check, connectedTo, Parking Management>
+<Navigation Update, connectedTo, Fare Calculation>
+<Parking Management, connectedTo, Road Network Management>
+<Passenger Feedback, connectedTo, Emergency Landing>
+<Platform Assignment, connectedTo, Delay Alert>
+<Platform Assignment, partOf, Air Traffic Control>
+<Public Transport Ticketing, communicates, Passenger Feedback>
+<Road Network Management, connectedTo, Train Dispatch>
+<Route Diversion, connectedTo, Public Transport Ticketing>
+<Schedule Generation, connectedTo, Maintenance Check>
+<Schedule Generation, connectedTo, Public Transport Ticketing>
+<Traffic Monitoring, connectedTo, Driver Allocation>
+<Traffic Monitoring, connectedTo, Fueling>
+<Traffic Monitoring, connectedTo, Parking Management>
+<Traffic Monitoring, connectedTo, Public Transport Ticketing>
+<Traffic Monitoring, connectedTo, Schedule Generation>
+<Train Dispatch, calculates, Route Diversion>
+<Train Dispatch, inspects, Bus Stop Management>
+<Tunnel Monitoring, connectedTo, Platform Assignment>
+<Tunnel Monitoring, partOf, Air Traffic Control>
diff --git a/test/plantuml/graph_hard/plantuml_170.puml b/test/plantuml/graph_hard/plantuml_170.puml
new file mode 100644
index 0000000000000000000000000000000000000000..53960a01c50aa69e59f2d465ec9634c4c709c6dd
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_170.puml
@@ -0,0 +1,76 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Asset Creation" as Group0 #E3F2FD {
+    cloud "Console Game Development" as nest0_0 #E9F7E8
+    frame "Community Management" as nest0_1 #E9F7E8
+    usecase "Sound Design" as nest0_2 #FCFCE7
+}
+rectangle "Monetization Strategy" as Group1 #FFF3E0 {
+    frame "Physics Simulation" as nest1_0 #E9F7E8
+    frame "Esports Event Organization" as nest1_1 #FCFCE7
+}
+folder "Augmented Reality Gaming" as N0 #FCFCE7
+folder "Programming" as N1 #FCFCE7
+folder "Localization" as N2 #F5F5F5
+artifact "Game Balancing" as N3 #F5F5F5
+frame "Anti_Cheat Development" as N4 #FCFCE7
+usecase "Game Performance Optimization" as N5 #E9F7E8
+cloud "Marketing and Promotion" as N6 #E9F7E8
+node "Game Design" as N7 #F5F5F5
+folder "Character Design" as N8 #F5F5F5
+database "Game Publishing" as N9 #FCFCE7
+usecase "PC Game Development" as N10 #E9F7E8
+database "Storytelling" as N11 #FCFCE7
+cloud "Quality Assurance Testing" as N12 #FCFCE7
+artifact "Engine Development" as N13 #FCFCE7
+frame "AI Behavior Programming" as N14 #F5F5F5
+cloud "Mobile Game Development" as N15 #F5F5F5
+circle " " as S0 #F5F5F5
+circle " " as S2 #F5F5F5
+circle " " as M0 #E9F7E8
+circle " " as M1 #FCFCE7
+circle " " as M2 #FCFCE7
+N0 -[#BDBDBD]-> N1
+N1 -[#6EB76D]-> N2
+N2 ..[#DCE775]..> N3
+N3 ..[#DCE775]..> N4
+N4 ..[#DCE775]..> N5
+N5 -[#DCE775]-> N6
+N6 ..[#6EB76D]..> N7
+N7 -[#000000]-> N8
+N8 -[#000000]-> N9
+N9 ..[#DCE775]..> N10
+N10 -[#BDBDBD]-> N11 : researches
+N11 ..[#DCE775]..> N12
+N12 ..[#BDBDBD]..> N13
+N13 ..[#000000]..> N14
+N14 ..[#000000]..> N15
+nest0_0 -[#6EB76D]-> nest0_1 : engages
+nest0_1 ..[#DCE775]..> nest0_2 : programs
+N4 -[#BDBDBD]-> nest0_0
+nest0_2 ..[#6EB76D]..> N10
+nest1_0 -[#6EB76D]-> nest1_1 : leads
+N11 ..[#DCE775]..> nest1_0 : communicates
+nest1_1 ..[#BDBDBD]..> N9
+N11 -[#000000]-> S0
+S0 ..[#6EB76D]..> N14
+S0 -[#000000]-> N13
+N0 -[#BDBDBD]-> S2
+S2 -[#000000]-> N8
+S2 ..[#BDBDBD]..> N9
+S2 ..[#6EB76D]..> N6
+N1 -[#DCE775]-> M0
+N5 -[#6EB76D]-> M0
+N2 -[#6EB76D]-> M0 : updates
+M0 -[#BDBDBD]-> N9
+N0 -[#DCE775]-> M1
+N2 ..[#DCE775]..> M1
+N6 -[#6EB76D]-> M1
+M1 -[#6EB76D]-> N10
+N2 ..[#000000]..> M2
+N1 ..[#DCE775]..> M2
+N0 ..[#000000]..> M2
+M2 ..[#DCE775]..> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_170.txt b/test/plantuml/graph_hard/plantuml_170.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f5d5da0124ba614c2c876b901d63b1dd5a6a0bf3
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_170.txt
@@ -0,0 +1,41 @@
+<AI Behavior Programming, connectedTo, Mobile Game Development>
+<Anti_Cheat Development, connectedTo, Console Game Development>
+<Anti_Cheat Development, connectedTo, Game Performance Optimization>
+<Augmented Reality Gaming, connectedTo, Anti_Cheat Development>
+<Augmented Reality Gaming, connectedTo, Character Design>
+<Augmented Reality Gaming, connectedTo, Game Publishing>
+<Augmented Reality Gaming, connectedTo, Marketing and Promotion>
+<Augmented Reality Gaming, connectedTo, PC Game Development>
+<Augmented Reality Gaming, connectedTo, Programming>
+<Character Design, connectedTo, Game Publishing>
+<Community Management, partOf, Asset Creation>
+<Community Management, programs, Sound Design>
+<Console Game Development, engages, Community Management>
+<Console Game Development, partOf, Asset Creation>
+<Engine Development, connectedTo, AI Behavior Programming>
+<Esports Event Organization, connectedTo, Game Publishing>
+<Esports Event Organization, partOf, Monetization Strategy>
+<Game Balancing, connectedTo, Anti_Cheat Development>
+<Game Design, connectedTo, Character Design>
+<Game Performance Optimization, connectedTo, Game Publishing>
+<Game Performance Optimization, connectedTo, Marketing and Promotion>
+<Game Publishing, connectedTo, PC Game Development>
+<Localization, connectedTo, Anti_Cheat Development>
+<Localization, connectedTo, Game Balancing>
+<Localization, connectedTo, PC Game Development>
+<Localization, updates, Game Publishing>
+<Marketing and Promotion, connectedTo, Game Design>
+<Marketing and Promotion, connectedTo, PC Game Development>
+<PC Game Development, researches, Storytelling>
+<Physics Simulation, leads, Esports Event Organization>
+<Physics Simulation, partOf, Monetization Strategy>
+<Programming, connectedTo, Anti_Cheat Development>
+<Programming, connectedTo, Game Publishing>
+<Programming, connectedTo, Localization>
+<Quality Assurance Testing, connectedTo, Engine Development>
+<Sound Design, connectedTo, PC Game Development>
+<Sound Design, partOf, Asset Creation>
+<Storytelling, communicates, Physics Simulation>
+<Storytelling, connectedTo, AI Behavior Programming>
+<Storytelling, connectedTo, Engine Development>
+<Storytelling, connectedTo, Quality Assurance Testing>
diff --git a/test/plantuml/graph_hard/plantuml_171.puml b/test/plantuml/graph_hard/plantuml_171.puml
new file mode 100644
index 0000000000000000000000000000000000000000..1f5bbff0aed09c3dc88c9a24d3c05e315b0f9890
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_171.puml
@@ -0,0 +1,55 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "PC Game Development" as Group0 #F1F8E9 {
+    cloud "Asset Creation" as nest0_0 #FFF3E0
+    component "Sound Design" as nest0_1 #FFF9C4
+}
+rectangle "Player Progression Systems" as Group1 #F3E5F5 {
+    rectangle "Voice Acting" as nest1_0 #FFF3E0
+    node "In_Game Economy Design" as nest1_1 #EFE6FF
+    frame "Game Engine Customization" as nest1_2 #FFF3E0
+}
+usecase "Narrative Design" as N0 #EFE6FF
+cloud "Engine Development" as N1 #EFE6FF
+artifact "Game Design" as N2 #FFF9C4
+component "Player Feedback Integration" as N3 #FFF3E0
+frame "AI Behavior Programming" as N4 #FFF3E0
+usecase "Marketing and Promotion" as N5 #FFF9C4
+node "Game Balancing" as N6 #FFF9C4
+folder "Character Design" as N7 #FFF9C4
+frame "Game Performance Optimization" as N8 #EFE6FF
+folder "Localization" as N9 #FFF9C4
+frame "Monetization Strategy" as N10 #FFF9C4
+circle " " as S0 #FFF3E0
+circle " " as S1 #EFE6FF
+circle " " as S2 #FFF9C4
+N0 ..[#FFEB3B]..> N1
+N1 -[#C2B2F0]-> N2
+N2 -[#FFB74D]-> N3
+N3 -[#C2B2F0]-> N4 : communicates
+N4 ..[#C2B2F0]..> N5 : analyzes
+N5 ..[#FFEB3B]..> N6 : optimizes
+N6 ..[#FFB74D]..> N7
+N7 ..[#FFB74D]..> N8
+N8 -[#FFEB3B]-> N9
+N9 -[#FFB74D]-> N10
+nest0_0 ..[#000000]..> nest0_1
+N7 -[#FFEB3B]-> nest0_0
+nest0_1 ..[#FFB74D]..> N7
+nest1_0 ..[#FFEB3B]..> nest1_1
+nest1_1 ..[#C2B2F0]..> nest1_2
+N2 -[#C2B2F0]-> nest1_0 : supports
+nest1_2 ..[#C2B2F0]..> N5
+N6 ..[#FFB74D]..> S0
+S0 ..[#FFEB3B]..> N8
+S0 -[#000000]-> N9
+S0 -[#FFEB3B]-> N10
+N5 -[#C2B2F0]-> S1
+S1 -[#000000]-> N8
+S1 -[#C2B2F0]-> N7
+N7 ..[#000000]..> S2
+S2 ..[#FFB74D]..> N10
+S2 -[#FFEB3B]-> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_171.txt b/test/plantuml/graph_hard/plantuml_171.txt
new file mode 100644
index 0000000000000000000000000000000000000000..47e7a5689e2e0e5a440d86ed192a8592cf14b57c
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_171.txt
@@ -0,0 +1,29 @@
+<AI Behavior Programming, analyzes, Marketing and Promotion>
+<Asset Creation, connectedTo, Sound Design>
+<Asset Creation, partOf, PC Game Development>
+<Character Design, connectedTo, Asset Creation>
+<Character Design, connectedTo, Game Performance Optimization>
+<Character Design, connectedTo, Localization>
+<Character Design, connectedTo, Monetization Strategy>
+<Engine Development, connectedTo, Game Design>
+<Game Balancing, connectedTo, Character Design>
+<Game Balancing, connectedTo, Game Performance Optimization>
+<Game Balancing, connectedTo, Localization>
+<Game Balancing, connectedTo, Monetization Strategy>
+<Game Design, connectedTo, Player Feedback Integration>
+<Game Design, supports, Voice Acting>
+<Game Engine Customization, connectedTo, Marketing and Promotion>
+<Game Engine Customization, partOf, Player Progression Systems>
+<Game Performance Optimization, connectedTo, Localization>
+<In_Game Economy Design, connectedTo, Game Engine Customization>
+<In_Game Economy Design, partOf, Player Progression Systems>
+<Localization, connectedTo, Monetization Strategy>
+<Marketing and Promotion, connectedTo, Character Design>
+<Marketing and Promotion, connectedTo, Game Performance Optimization>
+<Marketing and Promotion, optimizes, Game Balancing>
+<Narrative Design, connectedTo, Engine Development>
+<Player Feedback Integration, communicates, AI Behavior Programming>
+<Sound Design, connectedTo, Character Design>
+<Sound Design, partOf, PC Game Development>
+<Voice Acting, connectedTo, In_Game Economy Design>
+<Voice Acting, partOf, Player Progression Systems>
diff --git a/test/plantuml/graph_hard/plantuml_172.puml b/test/plantuml/graph_hard/plantuml_172.puml
new file mode 100644
index 0000000000000000000000000000000000000000..8a536c22744e0107fabb57dba1f93838aca52154
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_172.puml
@@ -0,0 +1,62 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Synthesizer Programming" as Group0 #FCE4EC {
+    folder "Concert Promotion" as nest0_0 #E8F5E9
+    artifact "Streaming Platform Management" as nest0_1 #E8F5E9
+}
+rectangle "Royalty Collection" as Group1 #FCE4EC {
+    folder "Sound Design for Media" as nest1_0 #FFECB3
+    component "Sound System Design" as nest1_1 #FFDAB9
+    cloud "Music for Film or TV or Games" as nest1_2 #E8F5E9
+    rectangle "Music Theory Analysis" as nest1_3 #FFDAB9
+}
+folder "Crowdfunding for Music Projects" as N0 #FFECB3
+folder "Performance" as N1 #FFECB3
+artifact "Music Education" as N2 #E8F5E9
+artifact "Digital Audio Workstation Operation" as N3 #FFDAB9
+frame "Music Festival Organization" as N4 #FFECB3
+node "Audio Engineering" as N5 #FFDAB9
+component "Music Video Production" as N6 #FFDAB9
+folder "Record Label Operations" as N7 #FFDAB9
+folder "Copyright Management" as N8 #FFDAB9
+cloud "Live Sound Engineering" as N9 #E8F5E9
+folder "Mastering" as N10 #E8F5E9
+circle " " as S1 #FFECB3
+circle " " as S2 #E8F5E9
+circle " " as M0 #FFECB3
+circle " " as M1 #FFECB3
+N0 -[#000000]-> N1 : performs
+N1 -[#66BB6A]-> N2
+N2 ..[#66BB6A]..> N3
+N3 ..[#FFC107]..> N4
+N4 ..[#FFC107]..> N5
+N5 -[#66BB6A]-> N6
+N6 -[#FFC107]-> N7
+N7 -[#FFC085]-> N8
+N8 ..[#66BB6A]..> N9
+N9 -[#FFC107]-> N10
+nest0_0 -[#000000]-> nest0_1
+N9 ..[#FFC085]..> nest0_0
+nest0_1 ..[#000000]..> N6
+nest1_0 ..[#FFC085]..> nest1_1 : arranges
+nest1_1 -[#FFC085]-> nest1_2
+nest1_2 -[#66BB6A]-> nest1_3
+N2 ..[#FFC107]..> nest1_0
+nest1_3 -[#FFC085]-> N4 : trains
+N7 -[#FFC085]-> S1
+S1 -[#000000]-> N9
+S1 -[#000000]-> N10
+N2 -[#66BB6A]-> S2
+S2 -[#FFC107]-> N7
+S2 ..[#FFC107]..> N8
+S2 -[#FFC107]-> N10
+S2 -[#66BB6A]-> N4
+N1 ..[#FFC107]..> M0
+N3 -[#66BB6A]-> M0
+M0 -[#FFC107]-> N5
+N3 ..[#66BB6A]..> M1
+N5 ..[#66BB6A]..> M1
+M1 ..[#000000]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_172.txt b/test/plantuml/graph_hard/plantuml_172.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a8f827c4fead4690270549fcb571f3868cacd8c8
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_172.txt
@@ -0,0 +1,34 @@
+<Audio Engineering, connectedTo, Copyright Management>
+<Audio Engineering, connectedTo, Music Video Production>
+<Concert Promotion, connectedTo, Streaming Platform Management>
+<Concert Promotion, partOf, Synthesizer Programming>
+<Copyright Management, connectedTo, Live Sound Engineering>
+<Crowdfunding for Music Projects, performs, Performance>
+<Digital Audio Workstation Operation, connectedTo, Audio Engineering>
+<Digital Audio Workstation Operation, connectedTo, Copyright Management>
+<Digital Audio Workstation Operation, connectedTo, Music Festival Organization>
+<Live Sound Engineering, connectedTo, Concert Promotion>
+<Live Sound Engineering, connectedTo, Mastering>
+<Music Education, connectedTo, Copyright Management>
+<Music Education, connectedTo, Digital Audio Workstation Operation>
+<Music Education, connectedTo, Mastering>
+<Music Education, connectedTo, Music Festival Organization>
+<Music Education, connectedTo, Record Label Operations>
+<Music Education, connectedTo, Sound Design for Media>
+<Music Festival Organization, connectedTo, Audio Engineering>
+<Music Theory Analysis, partOf, Royalty Collection>
+<Music Theory Analysis, trains, Music Festival Organization>
+<Music Video Production, connectedTo, Record Label Operations>
+<Music for Film or TV or Games, connectedTo, Music Theory Analysis>
+<Music for Film or TV or Games, partOf, Royalty Collection>
+<Performance, connectedTo, Audio Engineering>
+<Performance, connectedTo, Music Education>
+<Record Label Operations, connectedTo, Copyright Management>
+<Record Label Operations, connectedTo, Live Sound Engineering>
+<Record Label Operations, connectedTo, Mastering>
+<Sound Design for Media, arranges, Sound System Design>
+<Sound Design for Media, partOf, Royalty Collection>
+<Sound System Design, connectedTo, Music for Film or TV or Games>
+<Sound System Design, partOf, Royalty Collection>
+<Streaming Platform Management, connectedTo, Music Video Production>
+<Streaming Platform Management, partOf, Synthesizer Programming>
diff --git a/test/plantuml/graph_hard/plantuml_173.puml b/test/plantuml/graph_hard/plantuml_173.puml
new file mode 100644
index 0000000000000000000000000000000000000000..8b7a55ed32a796d2e9ec788013d15d5c2278c92d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_173.puml
@@ -0,0 +1,64 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Mixing" as Group0 #FBE9E7 {
+    cloud "Royalty Collection" as nest0_0 #FFF6D9
+    node "Lyric Writing" as nest0_1 #E4E0DF
+    rectangle "Concert Promotion" as nest0_2 #FFF9C4
+    artifact "Copyright Management" as nest0_3 #E4E0DF
+}
+rectangle "Digital Audio Workstation Operation" as Group1 #FCE4EC {
+    usecase "Music Video Production" as nest1_0 #FFF9C4
+    folder "Instrumental Performance" as nest1_1 #E4E0DF
+    cloud "Music for Film or TV or Games" as nest1_2 #E4E0DF
+    frame "A&R" as nest1_3 #E4E0DF
+}
+frame "Music Theory Analysis" as N0 #FFF9C4
+database "Music Publishing" as N1 #E4E0DF
+folder "Audio Engineering" as N2 #FFF9C4
+folder "Artist Management" as N3 #FFF6D9
+usecase "Vocal Performance" as N4 #E4E0DF
+rectangle "Ticketing" as N5 #FFF6D9
+cloud "Music Distribution" as N6 #FFF9C4
+folder "Sound Design for Media" as N7 #FFF9C4
+frame "Music Licensing" as N8 #FFF9C4
+cloud "Music Production" as N9 #FFF6D9
+usecase "Fan Engagement Strategy" as N10 #FFF9C4
+circle " " as S0 #FFF6D9
+circle " " as S1 #FFF9C4
+circle " " as S2 #E4E0DF
+circle " " as M1 #E4E0DF
+N0 -[#FFCC7A]-> N1
+N1 -[#BDAFA8]-> N2
+N2 ..[#BDAFA8]..> N3
+N3 -[#FFEB3B]-> N4
+N4 ..[#FFCC7A]..> N5
+N5 -[#FFCC7A]-> N6
+N6 ..[#FFCC7A]..> N7 : plays
+N7 -[#FFEB3B]-> N8
+N8 ..[#BDAFA8]..> N9
+N9 -[#BDAFA8]-> N10
+nest0_0 -[#BDAFA8]-> nest0_1
+nest0_1 -[#FFEB3B]-> nest0_2
+nest0_2 -[#000000]-> nest0_3
+N9 -[#FFEB3B]-> nest0_0 : manages
+nest0_3 ..[#FFEB3B]..> N10
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 -[#FFEB3B]-> nest1_2
+nest1_2 ..[#FFEB3B]..> nest1_3 : programs
+N1 ..[#BDAFA8]..> nest1_0
+nest1_3 -[#BDAFA8]-> N10
+N7 -[#FFEB3B]-> S0
+S0 ..[#FFEB3B]..> N9
+S0 -[#BDAFA8]-> N10
+N5 ..[#FFEB3B]..> S1
+S1 ..[#FFCC7A]..> N9
+S1 -[#FFEB3B]-> N8
+N7 ..[#FFEB3B]..> S2
+S2 -[#FFEB3B]-> N10
+S2 -[#BDAFA8]-> N9 : invests
+N5 ..[#BDAFA8]..> M1
+N0 ..[#FFEB3B]..> M1
+M1 -[#FFCC7A]-> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_173.txt b/test/plantuml/graph_hard/plantuml_173.txt
new file mode 100644
index 0000000000000000000000000000000000000000..aceae90681dcac0391f129546bc542ace8d4c30c
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_173.txt
@@ -0,0 +1,35 @@
+<A&R, connectedTo, Fan Engagement Strategy>
+<A&R, partOf, Digital Audio Workstation Operation>
+<Artist Management, connectedTo, Vocal Performance>
+<Audio Engineering, connectedTo, Artist Management>
+<Concert Promotion, connectedTo, Copyright Management>
+<Concert Promotion, partOf, Mixing>
+<Copyright Management, connectedTo, Fan Engagement Strategy>
+<Copyright Management, partOf, Mixing>
+<Instrumental Performance, connectedTo, Music for Film or TV or Games>
+<Instrumental Performance, partOf, Digital Audio Workstation Operation>
+<Lyric Writing, connectedTo, Concert Promotion>
+<Lyric Writing, partOf, Mixing>
+<Music Distribution, plays, Sound Design for Media>
+<Music Licensing, connectedTo, Music Production>
+<Music Production, connectedTo, Fan Engagement Strategy>
+<Music Production, manages, Royalty Collection>
+<Music Publishing, connectedTo, Audio Engineering>
+<Music Publishing, connectedTo, Music Video Production>
+<Music Theory Analysis, connectedTo, Fan Engagement Strategy>
+<Music Theory Analysis, connectedTo, Music Publishing>
+<Music Video Production, connectedTo, Instrumental Performance>
+<Music Video Production, partOf, Digital Audio Workstation Operation>
+<Music for Film or TV or Games, partOf, Digital Audio Workstation Operation>
+<Music for Film or TV or Games, programs, A&R>
+<Royalty Collection, connectedTo, Lyric Writing>
+<Royalty Collection, partOf, Mixing>
+<Sound Design for Media, connectedTo, Fan Engagement Strategy>
+<Sound Design for Media, connectedTo, Music Licensing>
+<Sound Design for Media, connectedTo, Music Production>
+<Sound Design for Media, invests, Music Production>
+<Ticketing, connectedTo, Fan Engagement Strategy>
+<Ticketing, connectedTo, Music Distribution>
+<Ticketing, connectedTo, Music Licensing>
+<Ticketing, connectedTo, Music Production>
+<Vocal Performance, connectedTo, Ticketing>
diff --git a/test/plantuml/graph_hard/plantuml_174.puml b/test/plantuml/graph_hard/plantuml_174.puml
new file mode 100644
index 0000000000000000000000000000000000000000..6e4d0e06c93a124f002ba4cf3e499d6a335de4e3
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_174.puml
@@ -0,0 +1,73 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Tour Management" as Group0 #EDE7F6 {
+    rectangle "Sampling" as nest0_0 #D0EFEE
+    rectangle "Live Sound Engineering" as nest0_1 #F2E6F5
+}
+rectangle "Sound System Design" as Group1 #F3E5F5 {
+    artifact "Music for Film or TV or Games" as nest1_0 #D0EFEE
+    component "Crowdfunding for Music Projects" as nest1_1 #F2E6F5
+    component "Mastering" as nest1_2 #F2E6F5
+    artifact "Artist Management" as nest1_3 #D0EFEE
+}
+usecase "Music Publishing" as N0 #F2E6F5
+database "Digital Audio Workstation Operation" as N1 #E8EAF6
+node "Music Distribution" as N2 #D0EFEE
+node "Record Label Operations" as N3 #E8EAF6
+cloud "Ticketing" as N4 #D0EFEE
+component "Recording" as N5 #D0EFEE
+node "Fan Engagement Strategy" as N6 #F2E6F5
+component "Royalty Collection" as N7 #F2E6F5
+usecase "Music Therapy" as N8 #F2E6F5
+folder "Songwriting" as N9 #F2E6F5
+usecase "Performance" as N10 #F2E6F5
+usecase "Arrangement" as N11 #D0EFEE
+frame "Audio Engineering" as N12 #D0EFEE
+rectangle "Concert Promotion" as N13 #D0EFEE
+frame "Music Video Production" as N14 #D0EFEE
+folder "Music Theory Analysis" as N15 #F2E6F5
+circle " " as S0 #F2E6F5
+circle " " as S1 #E8EAF6
+circle " " as M0 #D0EFEE
+circle " " as M1 #F2E6F5
+N0 ..[#CB9BE1]..> N1 : captures
+N1 ..[#CB9BE1]..> N2
+N2 -[#5C6BC0]-> N3
+N3 ..[#000000]..> N4
+N4 ..[#5C6BC0]..> N5
+N5 ..[#000000]..> N6
+N6 ..[#5C6BC0]..> N7
+N7 -[#000000]-> N8
+N8 -[#000000]-> N9 : scores
+N9 -[#5C6BC0]-> N10
+N10 ..[#73C6BC]..> N11
+N11 ..[#73C6BC]..> N12
+N12 ..[#CB9BE1]..> N13
+N13 -[#CB9BE1]-> N14
+N14 ..[#CB9BE1]..> N15 : sells
+nest0_0 -[#5C6BC0]-> nest0_1
+N8 -[#CB9BE1]-> nest0_0
+nest0_1 -[#CB9BE1]-> N2
+nest1_0 ..[#5C6BC0]..> nest1_1
+nest1_1 ..[#5C6BC0]..> nest1_2
+nest1_2 -[#CB9BE1]-> nest1_3
+N3 -[#CB9BE1]-> nest1_0
+nest1_3 -[#000000]-> N14
+N5 -[#5C6BC0]-> S0
+S0 ..[#000000]..> N7
+S0 ..[#000000]..> N13
+S0 ..[#5C6BC0]..> N15
+N10 -[#CB9BE1]-> S1
+S1 -[#5C6BC0]-> N12
+S1 ..[#73C6BC]..> N15
+N2 -[#CB9BE1]-> M0 : promotes
+N5 ..[#5C6BC0]..> M0
+N0 ..[#5C6BC0]..> M0
+M0 ..[#CB9BE1]..> N13
+N1 -[#000000]-> M1 : analyzes
+N3 -[#73C6BC]-> M1
+N0 -[#CB9BE1]-> M1 : funds
+M1 ..[#CB9BE1]..> N11
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_174.txt b/test/plantuml/graph_hard/plantuml_174.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cc2a1d8628d6417a849f85136dabb40d02a65212
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_174.txt
@@ -0,0 +1,39 @@
+<Arrangement, connectedTo, Audio Engineering>
+<Artist Management, connectedTo, Music Video Production>
+<Artist Management, partOf, Sound System Design>
+<Audio Engineering, connectedTo, Concert Promotion>
+<Concert Promotion, connectedTo, Music Video Production>
+<Crowdfunding for Music Projects, connectedTo, Mastering>
+<Crowdfunding for Music Projects, partOf, Sound System Design>
+<Digital Audio Workstation Operation, analyzes, Arrangement>
+<Digital Audio Workstation Operation, connectedTo, Music Distribution>
+<Fan Engagement Strategy, connectedTo, Royalty Collection>
+<Live Sound Engineering, connectedTo, Music Distribution>
+<Live Sound Engineering, partOf, Tour Management>
+<Mastering, connectedTo, Artist Management>
+<Mastering, partOf, Sound System Design>
+<Music Distribution, connectedTo, Record Label Operations>
+<Music Distribution, promotes, Concert Promotion>
+<Music Publishing, captures, Digital Audio Workstation Operation>
+<Music Publishing, connectedTo, Concert Promotion>
+<Music Publishing, funds, Arrangement>
+<Music Therapy, connectedTo, Sampling>
+<Music Therapy, scores, Songwriting>
+<Music Video Production, sells, Music Theory Analysis>
+<Music for Film or TV or Games, connectedTo, Crowdfunding for Music Projects>
+<Music for Film or TV or Games, partOf, Sound System Design>
+<Performance, connectedTo, Arrangement>
+<Performance, connectedTo, Audio Engineering>
+<Performance, connectedTo, Music Theory Analysis>
+<Record Label Operations, connectedTo, Arrangement>
+<Record Label Operations, connectedTo, Music for Film or TV or Games>
+<Record Label Operations, connectedTo, Ticketing>
+<Recording, connectedTo, Concert Promotion>
+<Recording, connectedTo, Fan Engagement Strategy>
+<Recording, connectedTo, Music Theory Analysis>
+<Recording, connectedTo, Royalty Collection>
+<Royalty Collection, connectedTo, Music Therapy>
+<Sampling, connectedTo, Live Sound Engineering>
+<Sampling, partOf, Tour Management>
+<Songwriting, connectedTo, Performance>
+<Ticketing, connectedTo, Recording>
diff --git a/test/plantuml/graph_hard/plantuml_175.puml b/test/plantuml/graph_hard/plantuml_175.puml
new file mode 100644
index 0000000000000000000000000000000000000000..7a59f7780adb909b9635e9dbdca9e049bd0ed063
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_175.puml
@@ -0,0 +1,74 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Visual Effects" as Group0 #FFF3E0 {
+    usecase "Stunt Coordination" as nest0_0 #FFEBEB
+    node "Crew Management" as nest0_1 #D3F7F9
+    frame "Post_production Audio" as nest0_2 #FFEBEB
+    frame "Color Grading" as nest0_3 #FFEBEB
+}
+rectangle "Cinematography" as Group1 #FFF3E0 {
+    rectangle "Insurance Management" as nest1_0 #FFEBEB
+    artifact "Special Effects" as nest1_1 #D3F7F9
+    folder "Storyboarding" as nest1_2 #FFEBEB
+    component "Remote Collaboration Tools" as nest1_3 #FFEBEB
+}
+folder "Digital Asset Management" as N0 #FFEBEB
+cloud "Makeup and Hair Design" as N1 #FFEBEB
+usecase "Editing" as N2 #FFEBEB
+frame "Tax Incentive Management" as N3 #D3F7F9
+component "Distribution Strategy" as N4 #D0E0F8
+usecase "Film Scoring" as N5 #FFEBEB
+cloud "Script Development" as N6 #D0E0F8
+rectangle "Art Direction" as N7 #D3F7F9
+folder "Archiving and Preservation" as N8 #D0E0F8
+frame "Sound Recording" as N9 #D0E0F8
+frame "Production Accounting" as N10 #D3F7F9
+component "Location Scouting" as N11 #D3F7F9
+circle " " as S0 #D3F7F9
+circle " " as S1 #D0E0F8
+circle " " as S2 #D3F7F9
+circle " " as M0 #FFEBEB
+circle " " as M1 #D3F7F9
+N0 ..[#FFC2C2]..> N1
+N1 -[#000000]-> N2
+N2 ..[#4285F4]..> N3
+N3 ..[#FFC2C2]..> N4
+N4 -[#000000]-> N5 : markets
+N5 -[#FFC2C2]-> N6 : sounds
+N6 -[#000000]-> N7 : shoots
+N7 -[#4285F4]-> N8
+N8 -[#FFC2C2]-> N9
+N9 ..[#80DDEA]..> N10
+N10 -[#FFC2C2]-> N11
+nest0_0 -[#4285F4]-> nest0_1
+nest0_1 ..[#80DDEA]..> nest0_2
+nest0_2 -[#4285F4]-> nest0_3 : lights
+N10 -[#4285F4]-> nest0_0
+nest0_3 -[#FFC2C2]-> N1 : audits
+nest1_0 -[#000000]-> nest1_1
+nest1_1 -[#000000]-> nest1_2
+nest1_2 ..[#4285F4]..> nest1_3
+N4 ..[#80DDEA]..> nest1_0
+nest1_3 ..[#000000]..> N3 : uploads
+N1 ..[#000000]..> S0
+S0 -[#4285F4]-> N4 : renders
+S0 -[#FFC2C2]-> N3
+S0 -[#80DDEA]-> N8
+S0 ..[#4285F4]..> N10
+N2 ..[#000000]..> S1
+S1 -[#000000]-> N5
+S1 ..[#FFC2C2]..> N10
+S1 -[#000000]-> N9
+N0 -[#4285F4]-> S2
+S2 -[#4285F4]-> N7
+S2 ..[#80DDEA]..> N4
+N2 ..[#FFC2C2]..> M0
+N0 ..[#000000]..> M0
+N1 -[#4285F4]-> M0
+M0 ..[#FFC2C2]..> N4
+N1 ..[#4285F4]..> M1
+N2 -[#4285F4]-> M1
+M1 ..[#FFC2C2]..> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_175.txt b/test/plantuml/graph_hard/plantuml_175.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e2eb13c53f2d32a4d6d17abaf8034ea8e787f0e9
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_175.txt
@@ -0,0 +1,42 @@
+<Archiving and Preservation, connectedTo, Sound Recording>
+<Art Direction, connectedTo, Archiving and Preservation>
+<Color Grading, audits, Makeup and Hair Design>
+<Color Grading, partOf, Visual Effects>
+<Crew Management, connectedTo, Post_production Audio>
+<Crew Management, partOf, Visual Effects>
+<Digital Asset Management, connectedTo, Art Direction>
+<Digital Asset Management, connectedTo, Distribution Strategy>
+<Digital Asset Management, connectedTo, Makeup and Hair Design>
+<Distribution Strategy, connectedTo, Insurance Management>
+<Distribution Strategy, markets, Film Scoring>
+<Editing, connectedTo, Distribution Strategy>
+<Editing, connectedTo, Film Scoring>
+<Editing, connectedTo, Production Accounting>
+<Editing, connectedTo, Script Development>
+<Editing, connectedTo, Sound Recording>
+<Editing, connectedTo, Tax Incentive Management>
+<Film Scoring, sounds, Script Development>
+<Insurance Management, connectedTo, Special Effects>
+<Insurance Management, partOf, Cinematography>
+<Makeup and Hair Design, connectedTo, Archiving and Preservation>
+<Makeup and Hair Design, connectedTo, Distribution Strategy>
+<Makeup and Hair Design, connectedTo, Editing>
+<Makeup and Hair Design, connectedTo, Production Accounting>
+<Makeup and Hair Design, connectedTo, Script Development>
+<Makeup and Hair Design, connectedTo, Tax Incentive Management>
+<Makeup and Hair Design, renders, Distribution Strategy>
+<Post_production Audio, lights, Color Grading>
+<Post_production Audio, partOf, Visual Effects>
+<Production Accounting, connectedTo, Location Scouting>
+<Production Accounting, connectedTo, Stunt Coordination>
+<Remote Collaboration Tools, partOf, Cinematography>
+<Remote Collaboration Tools, uploads, Tax Incentive Management>
+<Script Development, shoots, Art Direction>
+<Sound Recording, connectedTo, Production Accounting>
+<Special Effects, connectedTo, Storyboarding>
+<Special Effects, partOf, Cinematography>
+<Storyboarding, connectedTo, Remote Collaboration Tools>
+<Storyboarding, partOf, Cinematography>
+<Stunt Coordination, connectedTo, Crew Management>
+<Stunt Coordination, partOf, Visual Effects>
+<Tax Incentive Management, connectedTo, Distribution Strategy>
diff --git a/test/plantuml/graph_hard/plantuml_176.puml b/test/plantuml/graph_hard/plantuml_176.puml
new file mode 100644
index 0000000000000000000000000000000000000000..e58591be8113a0f6cfb46e7d5f799ef9c35247e1
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_176.puml
@@ -0,0 +1,61 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Special Effects" as Group0 #E0F2F1 {
+    rectangle "Post_production Audio" as nest0_0 #F1F8E9
+    frame "Insurance Management" as nest0_1 #E8EAF6
+}
+rectangle "Production Scheduling" as Group1 #E3F2FD {
+    folder "Storyboarding" as nest1_0 #E8EAF6
+    folder "Budget Management" as nest1_1 #E8EAF6
+    cloud "Film Scoring" as nest1_2 #E8EAF6
+}
+database "Prop Management" as N0 #C2E8E6
+node "Visual Effects" as N1 #E8EAF6
+node "Script Development" as N2 #F1F8E9
+artifact "Audience Research" as N3 #E8EAF6
+folder "Screenwriting Workshops" as N4 #E8EAF6
+rectangle "Production Accounting" as N5 #E8EAF6
+cloud "Film Financing" as N6 #C2E8E6
+database "Lighting Design" as N7 #C2E8E6
+folder "Digital Asset Management" as N8 #E8EAF6
+folder "Green Production Practices" as N9 #F1F8E9
+component "Color Grading" as N10 #C2E8E6
+circle " " as S0 #E8EAF6
+circle " " as S1 #E8EAF6
+circle " " as M0 #E8EAF6
+circle " " as M1 #C2E8E6
+N0 ..[#000000]..> N1
+N1 -[#000000]-> N2
+N2 ..[#61CAC3]..> N3
+N3 ..[#81C784]..> N4
+N4 -[#81C784]-> N5
+N5 -[#81C784]-> N6
+N6 -[#81C784]-> N7
+N7 ..[#000000]..> N8
+N8 -[#81C784]-> N9
+N9 ..[#61CAC3]..> N10
+nest0_0 -[#81C784]-> nest0_1
+N2 ..[#81C784]..> nest0_0
+nest0_1 ..[#000000]..> N8 : captures
+nest1_0 -[#5C6BC0]-> nest1_1
+nest1_1 ..[#000000]..> nest1_2
+N7 ..[#81C784]..> nest1_0
+nest1_2 -[#81C784]-> N3
+N4 -[#000000]-> S0
+S0 -[#61CAC3]-> N7 : films
+S0 ..[#000000]..> N6
+S0 -[#81C784]-> N8
+S0 -[#000000]-> N9
+N1 ..[#000000]..> S1
+S1 ..[#000000]..> N9
+S1 ..[#5C6BC0]..> N6
+N0 ..[#81C784]..> M0
+N2 -[#000000]-> M0
+N1 ..[#81C784]..> M0
+M0 ..[#81C784]..> N4
+N1 -[#000000]-> M1
+N2 ..[#5C6BC0]..> M1 : protects
+M1 ..[#61CAC3]..> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_176.txt b/test/plantuml/graph_hard/plantuml_176.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1a9cf6557cbdcdd432924108cc0dbeec0ea96c2f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_176.txt
@@ -0,0 +1,32 @@
+<Audience Research, connectedTo, Screenwriting Workshops>
+<Budget Management, connectedTo, Film Scoring>
+<Budget Management, partOf, Production Scheduling>
+<Digital Asset Management, connectedTo, Green Production Practices>
+<Film Financing, connectedTo, Lighting Design>
+<Film Scoring, connectedTo, Audience Research>
+<Film Scoring, partOf, Production Scheduling>
+<Green Production Practices, connectedTo, Color Grading>
+<Insurance Management, captures, Digital Asset Management>
+<Insurance Management, partOf, Special Effects>
+<Lighting Design, connectedTo, Digital Asset Management>
+<Lighting Design, connectedTo, Storyboarding>
+<Post_production Audio, connectedTo, Insurance Management>
+<Post_production Audio, partOf, Special Effects>
+<Production Accounting, connectedTo, Film Financing>
+<Prop Management, connectedTo, Screenwriting Workshops>
+<Prop Management, connectedTo, Visual Effects>
+<Screenwriting Workshops, connectedTo, Digital Asset Management>
+<Screenwriting Workshops, connectedTo, Film Financing>
+<Screenwriting Workshops, connectedTo, Green Production Practices>
+<Screenwriting Workshops, connectedTo, Production Accounting>
+<Screenwriting Workshops, films, Lighting Design>
+<Script Development, connectedTo, Audience Research>
+<Script Development, connectedTo, Post_production Audio>
+<Script Development, connectedTo, Screenwriting Workshops>
+<Script Development, protects, Film Financing>
+<Storyboarding, connectedTo, Budget Management>
+<Storyboarding, partOf, Production Scheduling>
+<Visual Effects, connectedTo, Film Financing>
+<Visual Effects, connectedTo, Green Production Practices>
+<Visual Effects, connectedTo, Screenwriting Workshops>
+<Visual Effects, connectedTo, Script Development>
diff --git a/test/plantuml/graph_hard/plantuml_177.puml b/test/plantuml/graph_hard/plantuml_177.puml
new file mode 100644
index 0000000000000000000000000000000000000000..c609bf546ed80db69a45b0786154a3476e8702d6
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_177.puml
@@ -0,0 +1,89 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Budget Management" as Group0 #E0F2F1 {
+    rectangle "Film Financing" as nest0_0 #E1F5FE
+    folder "Storyboarding" as nest0_1 #E1F5FE
+    usecase "Crew Management" as nest0_2 #E1F5FE
+}
+rectangle "Green Production Practices" as Group1 #FFF3E0 {
+    cloud "Marketing and Publicity" as nest1_0 #C8EDFF
+    artifact "Set Construction" as nest1_1 #FDFCEB
+    folder "Cinematography" as nest1_2 #FDFCEB
+    folder "Stunt Coordination" as nest1_3 #E1F5FE
+}
+usecase "Archiving and Preservation" as N0 #C8EDFF
+frame "Insurance Management" as N1 #FDFCEB
+folder "Directing" as N2 #E1F5FE
+usecase "Script Development" as N3 #C8EDFF
+cloud "Distribution Strategy" as N4 #C8EDFF
+folder "Virtual Production Techniques" as N5 #E1F5FE
+folder "Makeup and Hair Design" as N6 #E1F5FE
+usecase "Digital Asset Management" as N7 #C8EDFF
+node "Film Scoring" as N8 #C8EDFF
+rectangle "Production Accounting" as N9 #E1F5FE
+database "Special Effects" as N10 #C8EDFF
+artifact "Color Grading" as N11 #FDFCEB
+component "Tax Incentive Management" as N12 #FDFCEB
+component "Talent Negotiation" as N13 #FDFCEB
+usecase "Location Scouting" as N14 #C8EDFF
+rectangle "Lighting Design" as N15 #E1F5FE
+folder "Remote Collaboration Tools" as N16 #C8EDFF
+component "Editing" as N17 #FDFCEB
+circle " " as S0 #FDFCEB
+circle " " as S1 #E1F5FE
+circle " " as M0 #E1F5FE
+circle " " as M1 #E1F5FE
+circle " " as M2 #E1F5FE
+N0 -[#000000]-> N1
+N1 -[#4FC3F7]-> N2
+N2 -[#000000]-> N3
+N3 ..[#4FC3F7]..> N4
+N4 -[#82DAFF]-> N5
+N5 -[#82DAFF]-> N6
+N6 -[#000000]-> N7
+N7 ..[#EAEFA5]..> N8
+N8 ..[#000000]..> N9
+N9 ..[#000000]..> N10 : sounds
+N10 -[#82DAFF]-> N11
+N11 ..[#000000]..> N12
+N12 -[#EAEFA5]-> N13
+N13 ..[#EAEFA5]..> N14
+N14 -[#82DAFF]-> N15
+N15 -[#000000]-> N16
+N16 ..[#4FC3F7]..> N17
+nest0_0 -[#82DAFF]-> nest0_1
+nest0_1 ..[#000000]..> nest0_2 : produces
+N12 ..[#4FC3F7]..> nest0_0
+nest0_2 -[#000000]-> N8
+nest1_0 ..[#82DAFF]..> nest1_1
+nest1_1 ..[#82DAFF]..> nest1_2
+nest1_2 ..[#4FC3F7]..> nest1_3
+N15 -[#EAEFA5]-> nest1_0
+nest1_3 -[#EAEFA5]-> N2
+N3 ..[#4FC3F7]..> S0
+S0 -[#4FC3F7]-> N17
+S0 ..[#82DAFF]..> N11
+S0 ..[#EAEFA5]..> N6
+S0 -[#82DAFF]-> N12
+N8 -[#82DAFF]-> S1
+S1 ..[#EAEFA5]..> N16
+S1 ..[#000000]..> N11
+S1 -[#4FC3F7]-> N10 : color grades
+S1 -[#82DAFF]-> N17
+N10 ..[#4FC3F7]..> M0
+N15 ..[#4FC3F7]..> M0
+N2 -[#000000]-> M0
+N14 -[#4FC3F7]-> M0
+M0 -[#4FC3F7]-> N17
+N3 ..[#EAEFA5]..> M1
+N9 ..[#000000]..> M1
+N10 ..[#EAEFA5]..> M1
+M1 ..[#000000]..> N13
+N7 -[#000000]-> M2
+N11 -[#000000]-> M2
+N2 -[#82DAFF]-> M2
+N10 ..[#EAEFA5]..> M2
+M2 -[#000000]-> N13
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_177.txt b/test/plantuml/graph_hard/plantuml_177.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5bbaa5021d56916855852d5c637466e9913ce165
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_177.txt
@@ -0,0 +1,51 @@
+<Archiving and Preservation, connectedTo, Insurance Management>
+<Cinematography, connectedTo, Stunt Coordination>
+<Cinematography, partOf, Green Production Practices>
+<Color Grading, connectedTo, Talent Negotiation>
+<Color Grading, connectedTo, Tax Incentive Management>
+<Crew Management, connectedTo, Film Scoring>
+<Crew Management, partOf, Budget Management>
+<Digital Asset Management, connectedTo, Film Scoring>
+<Digital Asset Management, connectedTo, Talent Negotiation>
+<Directing, connectedTo, Editing>
+<Directing, connectedTo, Script Development>
+<Directing, connectedTo, Talent Negotiation>
+<Distribution Strategy, connectedTo, Virtual Production Techniques>
+<Film Financing, connectedTo, Storyboarding>
+<Film Financing, partOf, Budget Management>
+<Film Scoring, color grades, Special Effects>
+<Film Scoring, connectedTo, Color Grading>
+<Film Scoring, connectedTo, Editing>
+<Film Scoring, connectedTo, Production Accounting>
+<Film Scoring, connectedTo, Remote Collaboration Tools>
+<Insurance Management, connectedTo, Directing>
+<Lighting Design, connectedTo, Editing>
+<Lighting Design, connectedTo, Marketing and Publicity>
+<Lighting Design, connectedTo, Remote Collaboration Tools>
+<Location Scouting, connectedTo, Editing>
+<Location Scouting, connectedTo, Lighting Design>
+<Makeup and Hair Design, connectedTo, Digital Asset Management>
+<Marketing and Publicity, connectedTo, Set Construction>
+<Marketing and Publicity, partOf, Green Production Practices>
+<Production Accounting, connectedTo, Talent Negotiation>
+<Production Accounting, sounds, Special Effects>
+<Remote Collaboration Tools, connectedTo, Editing>
+<Script Development, connectedTo, Color Grading>
+<Script Development, connectedTo, Distribution Strategy>
+<Script Development, connectedTo, Editing>
+<Script Development, connectedTo, Makeup and Hair Design>
+<Script Development, connectedTo, Talent Negotiation>
+<Script Development, connectedTo, Tax Incentive Management>
+<Set Construction, connectedTo, Cinematography>
+<Set Construction, partOf, Green Production Practices>
+<Special Effects, connectedTo, Color Grading>
+<Special Effects, connectedTo, Editing>
+<Special Effects, connectedTo, Talent Negotiation>
+<Storyboarding, partOf, Budget Management>
+<Storyboarding, produces, Crew Management>
+<Stunt Coordination, connectedTo, Directing>
+<Stunt Coordination, partOf, Green Production Practices>
+<Talent Negotiation, connectedTo, Location Scouting>
+<Tax Incentive Management, connectedTo, Film Financing>
+<Tax Incentive Management, connectedTo, Talent Negotiation>
+<Virtual Production Techniques, connectedTo, Makeup and Hair Design>
diff --git a/test/plantuml/graph_hard/plantuml_178.puml b/test/plantuml/graph_hard/plantuml_178.puml
new file mode 100644
index 0000000000000000000000000000000000000000..50495afecfafb4d866c64e57b0621b778ce330a0
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_178.puml
@@ -0,0 +1,76 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Interview Conduct" as Group0 #EDE7F6 {
+    component "Graphic Design" as nest0_0 #F0F4C3
+    node "Blog Post Writing" as nest0_1 #E1BEE7
+    component "Fact_Checking" as nest0_2 #E1BEE7
+}
+rectangle "E_book Writing" as Group1 #E0F2F1 {
+    artifact "Social Media Post Creation" as nest1_0 #F0F4C3
+    usecase "User_Generated Content Curation" as nest1_1 #E1BEE7
+}
+component "Content Localization" as N0 #E1BEE7
+database "Voice Acting or Narration" as N1 #F0F4C3
+folder "Ideation and Brainstorming" as N2 #F0F4C3
+usecase "Branding" as N3 #CADEDE
+component "Influencer Collaboration" as N4 #E1BEE7
+artifact "Webinar Hosting" as N5 #CADEDE
+cloud "Podcast Production" as N6 #F0F4C3
+component "Transcribing Audio or Video" as N7 #E1BEE7
+frame "Newsletter Creation" as N8 #F0F4C3
+frame "Drafting Content" as N9 #E1BEE7
+cloud "Content Repurposing" as N10 #F0F4C3
+artifact "Editing and Proofreading" as N11 #E1BEE7
+folder "Search Engine Optimization" as N12 #CADEDE
+folder "Call to Action Design" as N13 #CADEDE
+rectangle "Audio Recording" as N14 #E1BEE7
+folder "Research and Outline" as N15 #F0F4C3
+database "Performance Tracking" as N16 #E1BEE7
+circle " " as S0 #F0F4C3
+circle " " as S1 #CADEDE
+circle " " as S2 #CADEDE
+circle " " as M0 #E1BEE7
+circle " " as M1 #E1BEE7
+N0 ..[#AED581]..> N1
+N1 ..[#9C27B0]..> N2
+N2 ..[#000000]..> N3
+N3 ..[#9C27B0]..> N4
+N4 -[#000000]-> N5
+N5 -[#000000]-> N6
+N6 ..[#AED581]..> N7
+N7 ..[#000000]..> N8
+N8 ..[#000000]..> N9
+N9 -[#9C27B0]-> N10
+N10 ..[#9C27B0]..> N11
+N11 ..[#000000]..> N12
+N12 -[#94C0C0]-> N13
+N13 ..[#000000]..> N14
+N14 -[#94C0C0]-> N15
+N15 -[#94C0C0]-> N16
+nest0_0 -[#94C0C0]-> nest0_1
+nest0_1 -[#AED581]-> nest0_2
+N13 ..[#94C0C0]..> nest0_0
+nest0_2 ..[#94C0C0]..> N10
+nest1_0 ..[#9C27B0]..> nest1_1 : creates
+N1 ..[#AED581]..> nest1_0
+nest1_1 -[#000000]-> N3
+N5 ..[#000000]..> S0
+S0 ..[#000000]..> N14 : reports
+S0 ..[#AED581]..> N7
+N0 ..[#94C0C0]..> S1
+S1 -[#000000]-> N4
+S1 -[#9C27B0]-> N7
+S1 -[#94C0C0]-> N10
+S1 -[#AED581]-> N13
+N7 -[#000000]-> S2
+S2 ..[#000000]..> N13
+S2 -[#AED581]-> N14
+N6 -[#000000]-> M0
+N1 -[#AED581]-> M0
+M0 ..[#9C27B0]..> N9
+N4 ..[#AED581]..> M1 : hosts
+N3 -[#AED581]-> M1
+M1 -[#AED581]-> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_178.txt b/test/plantuml/graph_hard/plantuml_178.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9ce8f804c529f1bb22697edd34a062c81d9167f8
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_178.txt
@@ -0,0 +1,40 @@
+<Audio Recording, connectedTo, Research and Outline>
+<Blog Post Writing, connectedTo, Fact_Checking>
+<Blog Post Writing, partOf, Interview Conduct>
+<Branding, connectedTo, Influencer Collaboration>
+<Branding, connectedTo, Transcribing Audio or Video>
+<Call to Action Design, connectedTo, Audio Recording>
+<Call to Action Design, connectedTo, Graphic Design>
+<Content Localization, connectedTo, Call to Action Design>
+<Content Localization, connectedTo, Content Repurposing>
+<Content Localization, connectedTo, Influencer Collaboration>
+<Content Localization, connectedTo, Transcribing Audio or Video>
+<Content Localization, connectedTo, Voice Acting or Narration>
+<Content Repurposing, connectedTo, Editing and Proofreading>
+<Drafting Content, connectedTo, Content Repurposing>
+<Editing and Proofreading, connectedTo, Search Engine Optimization>
+<Fact_Checking, connectedTo, Content Repurposing>
+<Fact_Checking, partOf, Interview Conduct>
+<Graphic Design, connectedTo, Blog Post Writing>
+<Graphic Design, partOf, Interview Conduct>
+<Ideation and Brainstorming, connectedTo, Branding>
+<Influencer Collaboration, connectedTo, Webinar Hosting>
+<Influencer Collaboration, hosts, Transcribing Audio or Video>
+<Newsletter Creation, connectedTo, Drafting Content>
+<Podcast Production, connectedTo, Drafting Content>
+<Podcast Production, connectedTo, Transcribing Audio or Video>
+<Research and Outline, connectedTo, Performance Tracking>
+<Search Engine Optimization, connectedTo, Call to Action Design>
+<Social Media Post Creation, creates, User_Generated Content Curation>
+<Social Media Post Creation, partOf, E_book Writing>
+<Transcribing Audio or Video, connectedTo, Audio Recording>
+<Transcribing Audio or Video, connectedTo, Call to Action Design>
+<Transcribing Audio or Video, connectedTo, Newsletter Creation>
+<User_Generated Content Curation, connectedTo, Branding>
+<User_Generated Content Curation, partOf, E_book Writing>
+<Voice Acting or Narration, connectedTo, Drafting Content>
+<Voice Acting or Narration, connectedTo, Ideation and Brainstorming>
+<Voice Acting or Narration, connectedTo, Social Media Post Creation>
+<Webinar Hosting, connectedTo, Podcast Production>
+<Webinar Hosting, connectedTo, Transcribing Audio or Video>
+<Webinar Hosting, reports, Audio Recording>
diff --git a/test/plantuml/graph_hard/plantuml_179.puml b/test/plantuml/graph_hard/plantuml_179.puml
new file mode 100644
index 0000000000000000000000000000000000000000..a286cf15fa1b822ea48100c98b1b745bcd2100f0
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_179.puml
@@ -0,0 +1,83 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Interview Conduct" as Group0 #E8F5E9 {
+    cloud "Voice Acting or Narration" as nest0_0 #FFE88D
+    usecase "Interactive Content Development" as nest0_1 #C9F0F0
+    component "Photography" as nest0_2 #EFE6FF
+}
+rectangle "Keyword Research" as Group1 #F3E5F5 {
+    folder "Distribution Planning" as nest1_0 #FFE88D
+    frame "Branding" as nest1_1 #C9F0F0
+}
+rectangle "Graphic Design" as N0 #EFE6FF
+folder "Content Localization" as N1 #C9F0F0
+frame "Live Streaming Content" as N2 #EFE6FF
+component "Audience Engagement" as N3 #EFE6FF
+rectangle "Search Engine Optimization" as N4 #EFE6FF
+node "Influencer Collaboration" as N5 #EFE6FF
+node "Animation" as N6 #EFE6FF
+folder "Monetization Strategy" as N7 #C9F0F0
+database "Content Strategy Development" as N8 #FFE88D
+node "Social Media Post Creation" as N9 #EFE6FF
+node "Performance Tracking" as N10 #EFE6FF
+folder "Podcast Production" as N11 #FFE88D
+rectangle "Content Management System Operation" as N12 #EFE6FF
+folder "Webinar Hosting" as N13 #C9F0F0
+rectangle "Newsletter Creation" as N14 #EFE6FF
+rectangle "Video Scripting" as N15 #C9F0F0
+node "Audio Recording" as N16 #C9F0F0
+usecase "Research and Outline" as N17 #C9F0F0
+circle " " as S0 #FFE88D
+circle " " as S1 #FFE88D
+circle " " as M0 #FFE88D
+circle " " as M1 #C9F0F0
+circle " " as M2 #FFE88D
+N0 ..[#FFDA4E]..> N1
+N1 ..[#C2B2F0]..> N2
+N2 ..[#4DD0E1]..> N3
+N3 -[#4DD0E1]-> N4
+N4 ..[#FFDA4E]..> N5
+N5 -[#4DD0E1]-> N6
+N6 ..[#FFDA4E]..> N7
+N7 ..[#C2B2F0]..> N8
+N8 ..[#FFDA4E]..> N9
+N9 ..[#C2B2F0]..> N10
+N10 -[#000000]-> N11
+N11 ..[#C2B2F0]..> N12
+N12 ..[#FFDA4E]..> N13
+N13 -[#FFDA4E]-> N14
+N14 -[#FFDA4E]-> N15
+N15 -[#000000]-> N16
+N16 ..[#FFDA4E]..> N17
+nest0_0 -[#4DD0E1]-> nest0_1
+nest0_1 ..[#4DD0E1]..> nest0_2
+N2 -[#4DD0E1]-> nest0_0
+nest0_2 ..[#000000]..> N5
+nest1_0 ..[#FFDA4E]..> nest1_1
+N6 ..[#C2B2F0]..> nest1_0
+nest1_1 -[#C2B2F0]-> N16
+N12 -[#C2B2F0]-> S0
+S0 -[#4DD0E1]-> N16
+S0 ..[#000000]..> N14
+S0 -[#C2B2F0]-> N17
+S0 ..[#4DD0E1]..> N15
+N0 ..[#C2B2F0]..> S1
+S1 ..[#FFDA4E]..> N12
+S1 -[#C2B2F0]-> N14
+S1 ..[#000000]..> N13 : shares
+S1 -[#FFDA4E]-> N5 : moderates
+N1 -[#C2B2F0]-> M0
+N0 -[#C2B2F0]-> M0
+M0 ..[#C2B2F0]..> N4
+N0 ..[#C2B2F0]..> M1
+N2 ..[#4DD0E1]..> M1
+N3 ..[#000000]..> M1
+M1 ..[#FFDA4E]..> N5
+N2 ..[#000000]..> M2
+N14 ..[#C2B2F0]..> M2
+N3 ..[#C2B2F0]..> M2
+N4 ..[#C2B2F0]..> M2
+M2 ..[#000000]..> N16
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_179.txt b/test/plantuml/graph_hard/plantuml_179.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9c4250969607d60aa38b061b8f533c2633236034
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_179.txt
@@ -0,0 +1,46 @@
+<Animation, connectedTo, Distribution Planning>
+<Animation, connectedTo, Monetization Strategy>
+<Audience Engagement, connectedTo, Audio Recording>
+<Audience Engagement, connectedTo, Influencer Collaboration>
+<Audience Engagement, connectedTo, Search Engine Optimization>
+<Audio Recording, connectedTo, Research and Outline>
+<Branding, connectedTo, Audio Recording>
+<Branding, partOf, Keyword Research>
+<Content Localization, connectedTo, Live Streaming Content>
+<Content Localization, connectedTo, Search Engine Optimization>
+<Content Management System Operation, connectedTo, Audio Recording>
+<Content Management System Operation, connectedTo, Newsletter Creation>
+<Content Management System Operation, connectedTo, Research and Outline>
+<Content Management System Operation, connectedTo, Video Scripting>
+<Content Management System Operation, connectedTo, Webinar Hosting>
+<Content Strategy Development, connectedTo, Social Media Post Creation>
+<Distribution Planning, connectedTo, Branding>
+<Distribution Planning, partOf, Keyword Research>
+<Graphic Design, connectedTo, Content Localization>
+<Graphic Design, connectedTo, Content Management System Operation>
+<Graphic Design, connectedTo, Influencer Collaboration>
+<Graphic Design, connectedTo, Newsletter Creation>
+<Graphic Design, connectedTo, Search Engine Optimization>
+<Graphic Design, moderates, Influencer Collaboration>
+<Graphic Design, shares, Webinar Hosting>
+<Influencer Collaboration, connectedTo, Animation>
+<Interactive Content Development, connectedTo, Photography>
+<Interactive Content Development, partOf, Interview Conduct>
+<Live Streaming Content, connectedTo, Audience Engagement>
+<Live Streaming Content, connectedTo, Audio Recording>
+<Live Streaming Content, connectedTo, Influencer Collaboration>
+<Live Streaming Content, connectedTo, Voice Acting or Narration>
+<Monetization Strategy, connectedTo, Content Strategy Development>
+<Newsletter Creation, connectedTo, Audio Recording>
+<Newsletter Creation, connectedTo, Video Scripting>
+<Performance Tracking, connectedTo, Podcast Production>
+<Photography, connectedTo, Influencer Collaboration>
+<Photography, partOf, Interview Conduct>
+<Podcast Production, connectedTo, Content Management System Operation>
+<Search Engine Optimization, connectedTo, Audio Recording>
+<Search Engine Optimization, connectedTo, Influencer Collaboration>
+<Social Media Post Creation, connectedTo, Performance Tracking>
+<Video Scripting, connectedTo, Audio Recording>
+<Voice Acting or Narration, connectedTo, Interactive Content Development>
+<Voice Acting or Narration, partOf, Interview Conduct>
+<Webinar Hosting, connectedTo, Newsletter Creation>
diff --git a/test/plantuml/graph_hard/plantuml_18.puml b/test/plantuml/graph_hard/plantuml_18.puml
new file mode 100644
index 0000000000000000000000000000000000000000..4aa6a826afd85c49e8e22b8947530c57033fceaf
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_18.puml
@@ -0,0 +1,66 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Tunnel Monitoring" as Group0 #E3F2FD {
+    cloud "Delay Alert" as nest0_0 #DACBE3
+    component "Ride_sharing Request" as nest0_1 #FFF9C4
+    folder "Vehicle Assignment" as nest0_2 #C9F0F0
+}
+rectangle "Electric Vehicle Charging" as Group1 #E8F5E9 {
+    usecase "Location Input" as nest1_0 #DACBE3
+    cloud "Air Traffic Control" as nest1_1 #DACBE3
+    rectangle "Maintenance Check" as nest1_2 #C9F0F0
+}
+usecase "Fare Calculation" as N0 #DACBE3
+frame "Accident Reconstruction" as N1 #DACBE3
+folder "Schedule Generation" as N2 #FFF9C4
+usecase "Intermodal Transfer" as N3 #DACBE3
+folder "Bus Stop Management" as N4 #FFF9C4
+usecase "Weather Impact Assessment" as N5 #C9F0F0
+rectangle "Public Transport Ticketing" as N6 #DACBE3
+artifact "Navigation Update" as N7 #C9F0F0
+cloud "Luggage Handling" as N8 #DACBE3
+folder "Vehicle Tracking" as N9 #DACBE3
+folder "Cargo Loading" as N10 #FFF9C4
+circle " " as S0 #FFF9C4
+circle " " as S1 #C9F0F0
+circle " " as M0 #C9F0F0
+circle " " as M1 #DACBE3
+circle " " as M2 #C9F0F0
+N0 -[#000000]-> N1
+N1 ..[#FFEB3B]..> N2
+N2 -[#A188D0]-> N3
+N3 ..[#4DD0E1]..> N4
+N4 -[#4DD0E1]-> N5 : clears
+N5 -[#000000]-> N6
+N6 ..[#FFEB3B]..> N7
+N7 ..[#FFEB3B]..> N8
+N8 -[#FFEB3B]-> N9
+N9 ..[#A188D0]..> N10
+nest0_0 ..[#FFEB3B]..> nest0_1
+nest0_1 -[#A188D0]-> nest0_2
+N5 ..[#4DD0E1]..> nest0_0 : dispatches
+nest0_2 -[#FFEB3B]-> N8
+nest1_0 ..[#4DD0E1]..> nest1_1
+nest1_1 -[#4DD0E1]-> nest1_2
+N6 -[#4DD0E1]-> nest1_0
+nest1_2 ..[#000000]..> N4
+N5 -[#A188D0]-> S0
+S0 ..[#000000]..> N8
+S0 ..[#4DD0E1]..> N10
+N3 ..[#4DD0E1]..> S1
+S1 -[#FFEB3B]-> N6
+S1 -[#A188D0]-> N8
+N0 ..[#FFEB3B]..> M0
+N1 -[#4DD0E1]-> M0 : maintains
+M0 ..[#4DD0E1]..> N3
+N3 -[#FFEB3B]-> M1
+N4 -[#4DD0E1]-> M1
+N2 ..[#A188D0]..> M1
+M1 ..[#4DD0E1]..> N6
+N3 ..[#4DD0E1]..> M2
+N2 ..[#FFEB3B]..> M2
+N7 ..[#A188D0]..> M2
+M2 ..[#4DD0E1]..> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_18.txt b/test/plantuml/graph_hard/plantuml_18.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0e0332ac1d782ef210009e7238c0571a4524d4fe
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_18.txt
@@ -0,0 +1,35 @@
+<Accident Reconstruction, connectedTo, Schedule Generation>
+<Accident Reconstruction, maintains, Intermodal Transfer>
+<Air Traffic Control, connectedTo, Maintenance Check>
+<Air Traffic Control, partOf, Electric Vehicle Charging>
+<Bus Stop Management, clears, Weather Impact Assessment>
+<Bus Stop Management, connectedTo, Public Transport Ticketing>
+<Delay Alert, connectedTo, Ride_sharing Request>
+<Delay Alert, partOf, Tunnel Monitoring>
+<Fare Calculation, connectedTo, Accident Reconstruction>
+<Fare Calculation, connectedTo, Intermodal Transfer>
+<Intermodal Transfer, connectedTo, Bus Stop Management>
+<Intermodal Transfer, connectedTo, Luggage Handling>
+<Intermodal Transfer, connectedTo, Public Transport Ticketing>
+<Intermodal Transfer, connectedTo, Vehicle Tracking>
+<Location Input, connectedTo, Air Traffic Control>
+<Location Input, partOf, Electric Vehicle Charging>
+<Luggage Handling, connectedTo, Vehicle Tracking>
+<Maintenance Check, connectedTo, Bus Stop Management>
+<Maintenance Check, partOf, Electric Vehicle Charging>
+<Navigation Update, connectedTo, Luggage Handling>
+<Navigation Update, connectedTo, Vehicle Tracking>
+<Public Transport Ticketing, connectedTo, Location Input>
+<Public Transport Ticketing, connectedTo, Navigation Update>
+<Ride_sharing Request, connectedTo, Vehicle Assignment>
+<Ride_sharing Request, partOf, Tunnel Monitoring>
+<Schedule Generation, connectedTo, Intermodal Transfer>
+<Schedule Generation, connectedTo, Public Transport Ticketing>
+<Schedule Generation, connectedTo, Vehicle Tracking>
+<Vehicle Assignment, connectedTo, Luggage Handling>
+<Vehicle Assignment, partOf, Tunnel Monitoring>
+<Vehicle Tracking, connectedTo, Cargo Loading>
+<Weather Impact Assessment, connectedTo, Cargo Loading>
+<Weather Impact Assessment, connectedTo, Luggage Handling>
+<Weather Impact Assessment, connectedTo, Public Transport Ticketing>
+<Weather Impact Assessment, dispatches, Delay Alert>
diff --git a/test/plantuml/graph_hard/plantuml_180.puml b/test/plantuml/graph_hard/plantuml_180.puml
new file mode 100644
index 0000000000000000000000000000000000000000..fc4858034dac059ce0abec3b0ea438083c104210
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_180.puml
@@ -0,0 +1,79 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Content Repurposing" as Group0 #ECEFF1 {
+    database "Graphic Design" as nest0_0 #F0F4C3
+    folder "Newsletter Creation" as nest0_1 #F0F4C3
+}
+rectangle "Fact_Checking" as Group1 #F3E5F5 {
+    folder "Video Scripting" as nest1_0 #EDF5F3
+    frame "Search Engine Optimization" as nest1_1 #EDF5F3
+    rectangle "Animation" as nest1_2 #F0F4C3
+}
+folder "Interactive Content Development" as N0 #FFFDE7
+folder "Voice Acting or Narration" as N1 #F0F4C3
+folder "Call to Action Design" as N2 #FFFDE7
+cloud "Social Media Post Creation" as N3 #EDF5F3
+folder "Audience Analysis" as N4 #FFFDE7
+artifact "Content Localization" as N5 #FFFDE7
+database "Videography" as N6 #F0F4C3
+frame "Performance Tracking" as N7 #EDF5F3
+cloud "Live Streaming Content" as N8 #FFFDE7
+artifact "Podcast Production" as N9 #FFFDE7
+database "Plagiarism Checking" as N10 #FFFDE7
+usecase "Interview Conduct" as N11 #F0F4C3
+node "Research and Outline" as N12 #EDF5F3
+folder "Influencer Collaboration" as N13 #F0F4C3
+database "Audio Recording" as N14 #FFFDE7
+node "Keyword Research" as N15 #FFFDE7
+component "E_book Writing" as N16 #EDF5F3
+node "Ideation and Brainstorming" as N17 #EDF5F3
+circle " " as S0 #FFFDE7
+circle " " as S1 #EDF5F3
+circle " " as M0 #EDF5F3
+circle " " as M1 #F0F4C3
+circle " " as M2 #FFFDE7
+N0 ..[#000000]..> N1
+N1 ..[#AED581]..> N2
+N2 -[#A1D7CD]-> N3
+N3 ..[#000000]..> N4
+N4 ..[#A1D7CD]..> N5 : monetizes
+N5 -[#A1D7CD]-> N6
+N6 ..[#A1D7CD]..> N7
+N7 ..[#AED581]..> N8
+N8 ..[#A1D7CD]..> N9
+N9 ..[#000000]..> N10
+N10 -[#AED581]-> N11
+N11 ..[#FFF176]..> N12
+N12 -[#A1D7CD]-> N13 : researches
+N13 ..[#FFF176]..> N14 : moderates
+N14 ..[#AED581]..> N15
+N15 ..[#FFF176]..> N16
+N16 -[#A1D7CD]-> N17
+nest0_0 ..[#FFF176]..> nest0_1
+N1 -[#000000]-> nest0_0
+nest0_1 -[#FFF176]-> N9
+nest1_0 -[#A1D7CD]-> nest1_1
+nest1_1 ..[#A1D7CD]..> nest1_2
+N12 -[#A1D7CD]-> nest1_0
+nest1_2 -[#A1D7CD]-> N15
+N12 ..[#AED581]..> S0
+S0 -[#A1D7CD]-> N14
+S0 ..[#000000]..> N17 : audios
+N2 ..[#FFF176]..> S1
+S1 -[#A1D7CD]-> N12
+S1 -[#000000]-> N5
+N0 -[#A1D7CD]-> M0
+N2 ..[#A1D7CD]..> M0
+N6 ..[#AED581]..> M0
+N3 -[#000000]-> M0
+M0 ..[#AED581]..> N8
+N10 ..[#FFF176]..> M1 : videos
+N1 -[#000000]-> M1
+N11 ..[#AED581]..> M1
+M1 ..[#000000]..> N14
+N1 -[#AED581]-> M2
+N0 ..[#000000]..> M2
+M2 ..[#000000]..> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_180.txt b/test/plantuml/graph_hard/plantuml_180.txt
new file mode 100644
index 0000000000000000000000000000000000000000..22d90c78d0f79bed27dd9f335999f0ebcb97f88b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_180.txt
@@ -0,0 +1,42 @@
+<Animation, connectedTo, Keyword Research>
+<Animation, partOf, Fact_Checking>
+<Audience Analysis, monetizes, Content Localization>
+<Audio Recording, connectedTo, Keyword Research>
+<Call to Action Design, connectedTo, Content Localization>
+<Call to Action Design, connectedTo, Live Streaming Content>
+<Call to Action Design, connectedTo, Research and Outline>
+<Call to Action Design, connectedTo, Social Media Post Creation>
+<Content Localization, connectedTo, Videography>
+<E_book Writing, connectedTo, Ideation and Brainstorming>
+<Graphic Design, connectedTo, Newsletter Creation>
+<Graphic Design, partOf, Content Repurposing>
+<Influencer Collaboration, moderates, Audio Recording>
+<Interactive Content Development, connectedTo, Live Streaming Content>
+<Interactive Content Development, connectedTo, Social Media Post Creation>
+<Interactive Content Development, connectedTo, Voice Acting or Narration>
+<Interview Conduct, connectedTo, Audio Recording>
+<Interview Conduct, connectedTo, Research and Outline>
+<Keyword Research, connectedTo, E_book Writing>
+<Live Streaming Content, connectedTo, Podcast Production>
+<Newsletter Creation, connectedTo, Podcast Production>
+<Newsletter Creation, partOf, Content Repurposing>
+<Performance Tracking, connectedTo, Live Streaming Content>
+<Plagiarism Checking, connectedTo, Interview Conduct>
+<Plagiarism Checking, videos, Audio Recording>
+<Podcast Production, connectedTo, Plagiarism Checking>
+<Research and Outline, audios, Ideation and Brainstorming>
+<Research and Outline, connectedTo, Audio Recording>
+<Research and Outline, connectedTo, Video Scripting>
+<Research and Outline, researches, Influencer Collaboration>
+<Search Engine Optimization, connectedTo, Animation>
+<Search Engine Optimization, partOf, Fact_Checking>
+<Social Media Post Creation, connectedTo, Audience Analysis>
+<Social Media Post Creation, connectedTo, Live Streaming Content>
+<Video Scripting, connectedTo, Search Engine Optimization>
+<Video Scripting, partOf, Fact_Checking>
+<Videography, connectedTo, Live Streaming Content>
+<Videography, connectedTo, Performance Tracking>
+<Voice Acting or Narration, connectedTo, Audio Recording>
+<Voice Acting or Narration, connectedTo, Call to Action Design>
+<Voice Acting or Narration, connectedTo, Graphic Design>
+<Voice Acting or Narration, connectedTo, Social Media Post Creation>
diff --git a/test/plantuml/graph_hard/plantuml_181.puml b/test/plantuml/graph_hard/plantuml_181.puml
new file mode 100644
index 0000000000000000000000000000000000000000..648b47d5c51263a5bdc71f762540155d3698a284
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_181.puml
@@ -0,0 +1,75 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Marketing Campaign Analysis" as Group0 #F1F8E9 {
+    database "Natural Language Processing for Data" as nest0_0 #F8BBD0
+    usecase "Dashboard Creation" as nest0_1 #C9EFEC
+    artifact "Sentiment Analysis" as nest0_2 #F8BBD0
+    rectangle "Geospatial Analysis" as nest0_3 #ECEFF1
+}
+rectangle "Real_time Analytics" as Group1 #FFF3E0 {
+    folder "Web Analytics" as nest1_0 #F8BBD0
+    usecase "Business User Training on Analytics" as nest1_1 #F8BBD0
+    frame "Data Mining" as nest1_2 #F8BBD0
+    cloud "Exploratory Data Analysis" as nest1_3 #F8BBD0
+}
+folder "Social Media Analytics" as N0 #F8BBD0
+database "Operational Efficiency Metrics" as N1 #F8BBD0
+component "Report Generation" as N2 #F8BBD0
+rectangle "Risk Analytics" as N3 #ECEFF1
+cloud "Statistical Modeling" as N4 #F8BBD0
+folder "Data Storytelling" as N5 #F8BBD0
+frame "Healthcare Data Analysis" as N6 #ECEFF1
+folder "Time Series Forecasting" as N7 #ECEFF1
+folder "Data Governance" as N8 #ECEFF1
+artifact "Data Quality Assurance" as N9 #ECEFF1
+artifact "Machine Learning Integration" as N10 #F8BBD0
+rectangle "HR Data Analytics" as N11 #ECEFF1
+usecase "ETL Process Management" as N12 #F8BBD0
+frame "Prescriptive Analytics" as N13 #C9EFEC
+folder "Customer Analytics" as N14 #ECEFF1
+node "Sales Performance Analysis" as N15 #C9EFEC
+folder "Data Visualization" as N16 #C9EFEC
+component "Text Analytics" as N17 #ECEFF1
+circle " " as S0 #C9EFEC
+circle " " as S1 #C9EFEC
+N0 ..[#000000]..> N1
+N1 -[#E91E63]-> N2
+N2 -[#90A4AE]-> N3
+N3 -[#000000]-> N4 : architects
+N4 -[#6FE1D5]-> N5 : extracts
+N5 ..[#000000]..> N6
+N6 ..[#6FE1D5]..> N7
+N7 -[#000000]-> N8 : audits
+N8 -[#90A4AE]-> N9
+N9 ..[#6FE1D5]..> N10
+N10 -[#90A4AE]-> N11
+N11 ..[#6FE1D5]..> N12
+N12 -[#6FE1D5]-> N13
+N13 ..[#6FE1D5]..> N14
+N14 -[#90A4AE]-> N15
+N15 ..[#6FE1D5]..> N16
+N16 -[#90A4AE]-> N17
+nest0_0 -[#90A4AE]-> nest0_1
+nest0_1 -[#000000]-> nest0_2
+nest0_2 -[#6FE1D5]-> nest0_3
+N11 ..[#000000]..> nest0_0 : researches
+nest0_3 ..[#6FE1D5]..> N5
+nest1_0 ..[#E91E63]..> nest1_1
+nest1_1 -[#E91E63]-> nest1_2
+nest1_2 -[#90A4AE]-> nest1_3
+N4 ..[#6FE1D5]..> nest1_0
+nest1_3 -[#000000]-> N15
+N9 ..[#000000]..> S0
+S0 -[#90A4AE]-> N16
+S0 ..[#6FE1D5]..> N15
+N13 -[#6FE1D5]-> S1
+S1 -[#E91E63]-> N15
+S1 ..[#6FE1D5]..> N17
+S1 -[#90A4AE]-> N16 : accesses
+N3 -[#E91E63]-> nest1_1
+N11 ..[#000000]..> N9
+N8 ..[#000000]..> N13
+N3 -[#E91E63]-> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_181.txt b/test/plantuml/graph_hard/plantuml_181.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5603562a34013d3abac66aad2652cee6baec31f2
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_181.txt
@@ -0,0 +1,44 @@
+<Business User Training on Analytics, connectedTo, Data Mining>
+<Business User Training on Analytics, partOf, Real_time Analytics>
+<Customer Analytics, connectedTo, Sales Performance Analysis>
+<Dashboard Creation, connectedTo, Sentiment Analysis>
+<Dashboard Creation, partOf, Marketing Campaign Analysis>
+<Data Governance, connectedTo, Data Quality Assurance>
+<Data Governance, connectedTo, Prescriptive Analytics>
+<Data Mining, connectedTo, Exploratory Data Analysis>
+<Data Mining, partOf, Real_time Analytics>
+<Data Quality Assurance, connectedTo, Data Visualization>
+<Data Quality Assurance, connectedTo, Machine Learning Integration>
+<Data Quality Assurance, connectedTo, Sales Performance Analysis>
+<Data Storytelling, connectedTo, Healthcare Data Analysis>
+<Data Visualization, connectedTo, Text Analytics>
+<ETL Process Management, connectedTo, Prescriptive Analytics>
+<Exploratory Data Analysis, connectedTo, Sales Performance Analysis>
+<Exploratory Data Analysis, partOf, Real_time Analytics>
+<Geospatial Analysis, connectedTo, Data Storytelling>
+<Geospatial Analysis, partOf, Marketing Campaign Analysis>
+<HR Data Analytics, connectedTo, Data Quality Assurance>
+<HR Data Analytics, connectedTo, ETL Process Management>
+<HR Data Analytics, researches, Natural Language Processing for Data>
+<Healthcare Data Analysis, connectedTo, Time Series Forecasting>
+<Machine Learning Integration, connectedTo, HR Data Analytics>
+<Natural Language Processing for Data, connectedTo, Dashboard Creation>
+<Natural Language Processing for Data, partOf, Marketing Campaign Analysis>
+<Operational Efficiency Metrics, connectedTo, Report Generation>
+<Prescriptive Analytics, accesses, Data Visualization>
+<Prescriptive Analytics, connectedTo, Customer Analytics>
+<Prescriptive Analytics, connectedTo, Sales Performance Analysis>
+<Prescriptive Analytics, connectedTo, Text Analytics>
+<Report Generation, connectedTo, Risk Analytics>
+<Risk Analytics, architects, Statistical Modeling>
+<Risk Analytics, connectedTo, Business User Training on Analytics>
+<Risk Analytics, connectedTo, Data Governance>
+<Sales Performance Analysis, connectedTo, Data Visualization>
+<Sentiment Analysis, connectedTo, Geospatial Analysis>
+<Sentiment Analysis, partOf, Marketing Campaign Analysis>
+<Social Media Analytics, connectedTo, Operational Efficiency Metrics>
+<Statistical Modeling, connectedTo, Web Analytics>
+<Statistical Modeling, extracts, Data Storytelling>
+<Time Series Forecasting, audits, Data Governance>
+<Web Analytics, connectedTo, Business User Training on Analytics>
+<Web Analytics, partOf, Real_time Analytics>
diff --git a/test/plantuml/graph_hard/plantuml_182.puml b/test/plantuml/graph_hard/plantuml_182.puml
new file mode 100644
index 0000000000000000000000000000000000000000..4775b78ef336023348802d2aa97e6d8cebd31593
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_182.puml
@@ -0,0 +1,67 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Data Quality Assurance" as Group0 #FBE9E7 {
+    usecase "Machine Learning Integration" as nest0_0 #D3F7F9
+    component "Prescriptive Analytics" as nest0_1 #F5F5DC
+}
+rectangle "Business User Training on Analytics" as Group1 #E3F2FD {
+    rectangle "HR Data Analytics" as nest1_0 #F3E5F5
+    rectangle "Report Generation" as nest1_1 #D3F7F9
+    folder "Financial Data Analysis" as nest1_2 #F5F5DC
+    artifact "Sales Performance Analysis" as nest1_3 #F5F5DC
+}
+usecase "Real_time Analytics" as N0 #F3E5F5
+folder "Dashboard Creation" as N1 #D3F7F9
+cloud "Data Governance" as N2 #F5F5DC
+folder "Cloud_based Data Platforms" as N3 #D3F7F9
+folder "Operational Efficiency Metrics" as N4 #F3E5F5
+node "Risk Analytics" as N5 #F3E5F5
+database "Sentiment Analysis" as N6 #D3F7F9
+node "Data Cleaning" as N7 #F3E5F5
+rectangle "A or B Testing Analysis" as N8 #D3F7F9
+component "Data Security Best Practices" as N9 #F5F5DC
+database "Exploratory Data Analysis" as N10 #F5F5DC
+circle " " as S0 #F3E5F5
+circle " " as S1 #F3E5F5
+circle " " as S2 #F5F5DC
+circle " " as M0 #F3E5F5
+circle " " as M1 #F3E5F5
+N0 -[#AB47BC]-> N1
+N1 ..[#80DDEA]..> N2
+N2 -[#80DDEA]-> N3
+N3 ..[#000000]..> N4
+N4 -[#80DDEA]-> N5
+N5 -[#000000]-> N6
+N6 ..[#000000]..> N7
+N7 ..[#000000]..> N8
+N8 -[#80DDEA]-> N9
+N9 -[#BCB88A]-> N10
+nest0_0 -[#80DDEA]-> nest0_1
+N9 ..[#BCB88A]..> nest0_0 : discovers
+nest0_1 -[#80DDEA]-> N9
+nest1_0 -[#BCB88A]-> nest1_1
+nest1_1 -[#80DDEA]-> nest1_2
+nest1_2 ..[#BCB88A]..> nest1_3
+N2 ..[#BCB88A]..> nest1_0 : develops
+nest1_3 -[#80DDEA]-> N5
+N1 ..[#80DDEA]..> S0
+S0 -[#80DDEA]-> N3
+S0 -[#AB47BC]-> N10 : researches
+N6 ..[#BCB88A]..> S1
+S1 -[#000000]-> N8 : analyzes
+S1 -[#80DDEA]-> N10
+S1 ..[#000000]..> N9
+N2 ..[#80DDEA]..> S2
+S2 ..[#BCB88A]..> N9
+S2 -[#BCB88A]-> N7
+S2 ..[#000000]..> N5
+N0 -[#80DDEA]-> M0 : supports
+N1 ..[#BCB88A]..> M0
+M0 ..[#80DDEA]..> N4
+N0 ..[#BCB88A]..> M1
+N1 ..[#80DDEA]..> M1
+N5 -[#000000]-> M1 : transforms
+M1 ..[#BCB88A]..> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_182.txt b/test/plantuml/graph_hard/plantuml_182.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9cbe85b93a60299178e3203ff1f93af4efe0a164
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_182.txt
@@ -0,0 +1,37 @@
+<A or B Testing Analysis, connectedTo, Data Security Best Practices>
+<Cloud_based Data Platforms, connectedTo, Operational Efficiency Metrics>
+<Dashboard Creation, connectedTo, Cloud_based Data Platforms>
+<Dashboard Creation, connectedTo, Data Cleaning>
+<Dashboard Creation, connectedTo, Data Governance>
+<Dashboard Creation, connectedTo, Operational Efficiency Metrics>
+<Dashboard Creation, researches, Exploratory Data Analysis>
+<Data Cleaning, connectedTo, A or B Testing Analysis>
+<Data Governance, connectedTo, Cloud_based Data Platforms>
+<Data Governance, connectedTo, Data Cleaning>
+<Data Governance, connectedTo, Data Security Best Practices>
+<Data Governance, connectedTo, Risk Analytics>
+<Data Governance, develops, HR Data Analytics>
+<Data Security Best Practices, connectedTo, Exploratory Data Analysis>
+<Data Security Best Practices, discovers, Machine Learning Integration>
+<Financial Data Analysis, connectedTo, Sales Performance Analysis>
+<Financial Data Analysis, partOf, Business User Training on Analytics>
+<HR Data Analytics, connectedTo, Report Generation>
+<HR Data Analytics, partOf, Business User Training on Analytics>
+<Machine Learning Integration, connectedTo, Prescriptive Analytics>
+<Machine Learning Integration, partOf, Data Quality Assurance>
+<Operational Efficiency Metrics, connectedTo, Risk Analytics>
+<Prescriptive Analytics, connectedTo, Data Security Best Practices>
+<Prescriptive Analytics, partOf, Data Quality Assurance>
+<Real_time Analytics, connectedTo, Dashboard Creation>
+<Real_time Analytics, connectedTo, Data Cleaning>
+<Real_time Analytics, supports, Operational Efficiency Metrics>
+<Report Generation, connectedTo, Financial Data Analysis>
+<Report Generation, partOf, Business User Training on Analytics>
+<Risk Analytics, connectedTo, Sentiment Analysis>
+<Risk Analytics, transforms, Data Cleaning>
+<Sales Performance Analysis, connectedTo, Risk Analytics>
+<Sales Performance Analysis, partOf, Business User Training on Analytics>
+<Sentiment Analysis, analyzes, A or B Testing Analysis>
+<Sentiment Analysis, connectedTo, Data Cleaning>
+<Sentiment Analysis, connectedTo, Data Security Best Practices>
+<Sentiment Analysis, connectedTo, Exploratory Data Analysis>
diff --git a/test/plantuml/graph_hard/plantuml_183.puml b/test/plantuml/graph_hard/plantuml_183.puml
new file mode 100644
index 0000000000000000000000000000000000000000..72c12a29583d23eb329b3ece3438254ce3f72f19
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_183.puml
@@ -0,0 +1,77 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Prescriptive Analytics" as Group0 #F3E5F5 {
+    database "Exploratory Data Analysis" as nest0_0 #E1F5FE
+    folder "Data Collection" as nest0_1 #F9FBE7
+    node "Data Warehouse Design" as nest0_2 #F9FBE7
+    node "Machine Learning Integration" as nest0_3 #F9FBE7
+}
+rectangle "ETL Process Management" as Group1 #F3E5F5 {
+    node "Operational Efficiency Metrics" as nest1_0 #FFEBEB
+    folder "Real_time Analytics" as nest1_1 #FFEBEB
+    node "Data Visualization" as nest1_2 #F9FBE7
+    folder "Supply Chain Analytics" as nest1_3 #FFEBEB
+}
+node "Web Analytics" as N0 #F9FBE7
+frame "Big Data Processing" as N1 #FFEBEB
+folder "Financial Data Analysis" as N2 #F9FBE7
+artifact "Data Quality Assurance" as N3 #FFEBEB
+cloud "Customer Analytics" as N4 #F9FBE7
+database "Statistical Modeling" as N5 #FFEBEB
+component "Data Governance" as N6 #FFEBEB
+node "Data Pipeline Development" as N7 #F9FBE7
+frame "A or B Testing Analysis" as N8 #E1F5FE
+node "Text Analytics" as N9 #F9FBE7
+cloud "Risk Analytics" as N10 #E1F5FE
+folder "Data Security Best Practices" as N11 #F9FBE7
+circle " " as S0 #E1F5FE
+circle " " as S1 #FFEBEB
+circle " " as S2 #FFEBEB
+circle " " as M0 #FFEBEB
+circle " " as M1 #E1F5FE
+circle " " as M2 #E1F5FE
+N0 ..[#4FC3F7]..> N1
+N1 ..[#4FC3F7]..> N2
+N2 ..[#000000]..> N3
+N3 -[#FFC2C2]-> N4
+N4 -[#FFC2C2]-> N5
+N5 -[#DCE775]-> N6
+N6 -[#FFC2C2]-> N7
+N7 ..[#000000]..> N8
+N8 -[#4FC3F7]-> N9
+N9 ..[#DCE775]..> N10
+N10 -[#4FC3F7]-> N11 : visualizes
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 -[#FFC2C2]-> nest0_2
+nest0_2 ..[#4FC3F7]..> nest0_3
+N1 ..[#DCE775]..> nest0_0
+nest0_3 ..[#DCE775]..> N8
+nest1_0 ..[#DCE775]..> nest1_1
+nest1_1 ..[#4FC3F7]..> nest1_2
+nest1_2 -[#4FC3F7]-> nest1_3
+N9 ..[#DCE775]..> nest1_0
+nest1_3 ..[#4FC3F7]..> N1
+N2 -[#000000]-> S0
+S0 ..[#4FC3F7]..> N11
+S0 -[#FFC2C2]-> N4
+S0 -[#4FC3F7]-> N8
+N8 -[#DCE775]-> S1
+S1 ..[#FFC2C2]..> N10
+S1 ..[#FFC2C2]..> N11
+N2 -[#4FC3F7]-> S2
+S2 ..[#000000]..> N7
+S2 -[#FFC2C2]-> N9 : optimizes
+S2 ..[#000000]..> N4
+N2 -[#4FC3F7]-> M0
+N8 ..[#4FC3F7]..> M0 : shares
+M0 -[#4FC3F7]-> N10
+N2 -[#000000]-> M1
+N0 ..[#FFC2C2]..> M1
+M1 -[#4FC3F7]-> N5
+N5 ..[#4FC3F7]..> M2
+N0 ..[#000000]..> M2 : predicts
+N1 -[#4FC3F7]-> M2
+M2 ..[#DCE775]..> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_183.txt b/test/plantuml/graph_hard/plantuml_183.txt
new file mode 100644
index 0000000000000000000000000000000000000000..aa58d4b39aadac019aaf7511cba93ffc5e89910f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_183.txt
@@ -0,0 +1,43 @@
+<A or B Testing Analysis, connectedTo, Data Security Best Practices>
+<A or B Testing Analysis, connectedTo, Risk Analytics>
+<A or B Testing Analysis, connectedTo, Text Analytics>
+<A or B Testing Analysis, shares, Risk Analytics>
+<Big Data Processing, connectedTo, Data Pipeline Development>
+<Big Data Processing, connectedTo, Exploratory Data Analysis>
+<Big Data Processing, connectedTo, Financial Data Analysis>
+<Customer Analytics, connectedTo, Statistical Modeling>
+<Data Collection, connectedTo, Data Warehouse Design>
+<Data Collection, partOf, Prescriptive Analytics>
+<Data Governance, connectedTo, Data Pipeline Development>
+<Data Pipeline Development, connectedTo, A or B Testing Analysis>
+<Data Quality Assurance, connectedTo, Customer Analytics>
+<Data Visualization, connectedTo, Supply Chain Analytics>
+<Data Visualization, partOf, ETL Process Management>
+<Data Warehouse Design, connectedTo, Machine Learning Integration>
+<Data Warehouse Design, partOf, Prescriptive Analytics>
+<Exploratory Data Analysis, connectedTo, Data Collection>
+<Exploratory Data Analysis, partOf, Prescriptive Analytics>
+<Financial Data Analysis, connectedTo, A or B Testing Analysis>
+<Financial Data Analysis, connectedTo, Customer Analytics>
+<Financial Data Analysis, connectedTo, Data Pipeline Development>
+<Financial Data Analysis, connectedTo, Data Quality Assurance>
+<Financial Data Analysis, connectedTo, Data Security Best Practices>
+<Financial Data Analysis, connectedTo, Risk Analytics>
+<Financial Data Analysis, connectedTo, Statistical Modeling>
+<Financial Data Analysis, optimizes, Text Analytics>
+<Machine Learning Integration, connectedTo, A or B Testing Analysis>
+<Machine Learning Integration, partOf, Prescriptive Analytics>
+<Operational Efficiency Metrics, connectedTo, Real_time Analytics>
+<Operational Efficiency Metrics, partOf, ETL Process Management>
+<Real_time Analytics, connectedTo, Data Visualization>
+<Real_time Analytics, partOf, ETL Process Management>
+<Risk Analytics, visualizes, Data Security Best Practices>
+<Statistical Modeling, connectedTo, Data Governance>
+<Statistical Modeling, connectedTo, Data Pipeline Development>
+<Supply Chain Analytics, connectedTo, Big Data Processing>
+<Supply Chain Analytics, partOf, ETL Process Management>
+<Text Analytics, connectedTo, Operational Efficiency Metrics>
+<Text Analytics, connectedTo, Risk Analytics>
+<Web Analytics, connectedTo, Big Data Processing>
+<Web Analytics, connectedTo, Statistical Modeling>
+<Web Analytics, predicts, Data Pipeline Development>
diff --git a/test/plantuml/graph_hard/plantuml_184.txt b/test/plantuml/graph_hard/plantuml_184.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d8064873dbbbbfd61fe82218c7f8be27151b57f5
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_184.txt
@@ -0,0 +1,31 @@
+<Data Mart Design, connectedTo, Data Quality Management>
+<Data Mart Design, connectedTo, Executive Summary Reporting>
+<Data Quality Management, connectedTo, Data Storytelling for Business>
+<Data Quality Management, connectedTo, Master Data Management>
+<Data Source Integration, connectedTo, Data Quality Management>
+<Data Source Integration, connectedTo, Strategic Planning Support>
+<Data Storytelling for Business, connectedTo, Embedded Analytics>
+<Data Storytelling for Business, partOf, Competitive Analysis>
+<Data Warehousing, connectedTo, HR Analytics Dashboards>
+<ETL Development, communicates, Data Mart Design>
+<ETL Development, connectedTo, Data Warehousing>
+<ETL Development, connectedTo, Real_time BI Dashboards>
+<Embedded Analytics, connectedTo, Master Data Management>
+<Embedded Analytics, partOf, Competitive Analysis>
+<Executive Summary Reporting, ETLs, Master Data Management>
+<Executive Summary Reporting, connectedTo, Data Quality Management>
+<Executive Summary Reporting, connectedTo, Sales Forecasting>
+<Executive Summary Reporting, recommends, HR Analytics Dashboards>
+<Master Data Management, connectedTo, Data Warehousing>
+<Real_time BI Dashboards, connectedTo, Report Automation>
+<Real_time BI Dashboards, partOf, Supply Chain Optimization>
+<Report Automation, monitors, Risk Assessment Reporting>
+<Report Automation, partOf, Supply Chain Optimization>
+<Risk Assessment Reporting, connectedTo, HR Analytics Dashboards>
+<Risk Assessment Reporting, partOf, Supply Chain Optimization>
+<Sales Forecasting, connectedTo, Data Quality Management>
+<Sales Forecasting, connectedTo, Data Warehousing>
+<Sales Forecasting, connectedTo, HR Analytics Dashboards>
+<Sales Forecasting, reports, Master Data Management>
+<Strategic Planning Support, connectedTo, Data Warehousing>
+<Strategic Planning Support, connectedTo, ETL Development>
diff --git a/test/plantuml/graph_hard/plantuml_185.puml b/test/plantuml/graph_hard/plantuml_185.puml
new file mode 100644
index 0000000000000000000000000000000000000000..b339e272fd86efddbf8c5b0e40f7f1a6fa6d9575
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_185.puml
@@ -0,0 +1,76 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Real_time BI Dashboards" as Group0 #F3E5F5 {
+    usecase "KPI Definition" as nest0_0 #EFE6FF
+    rectangle "HR Analytics Dashboards" as nest0_1 #E3F2FD
+    folder "Data Warehousing" as nest0_2 #E3F2FD
+    rectangle "OLAP Cube Creation" as nest0_3 #EFE6FF
+}
+rectangle "Self_Service BI Tools" as Group1 #FBE9E7 {
+    component "Data Security in BI" as nest1_0 #E3F2FD
+    artifact "Cloud BI Solutions" as nest1_1 #EFE6FF
+}
+component "Data Source Integration" as N0 #EFE6FF
+folder "Executive Summary Reporting" as N1 #EFE6FF
+database "User Training and Support" as N2 #E3F2FD
+frame "Business Process Improvement" as N3 #EFE6FF
+rectangle "Risk Assessment Reporting" as N4 #FDFCEB
+database "Dashboard Design" as N5 #EFE6FF
+node "ETL Development" as N6 #FDFCEB
+component "Regulatory Compliance Reporting" as N7 #EFE6FF
+node "Sales Forecasting" as N8 #EFE6FF
+component "Financial Performance Reporting" as N9 #FDFCEB
+cloud "Query Optimization" as N10 #FDFCEB
+database "Data Quality Management" as N11 #EFE6FF
+database "Data Modeling" as N12 #FDFCEB
+artifact "Customer Behavior Insights" as N13 #E3F2FD
+cloud "Performance Monitoring" as N14 #FDFCEB
+circle " " as S0 #E3F2FD
+circle " " as S1 #E3F2FD
+circle " " as S2 #E3F2FD
+circle " " as M0 #E3F2FD
+circle " " as M1 #FDFCEB
+N0 -[#64B5F6]-> N1
+N1 ..[#64B5F6]..> N2
+N2 ..[#000000]..> N3
+N3 -[#EAEFA5]-> N4
+N4 -[#EAEFA5]-> N5
+N5 ..[#000000]..> N6
+N6 ..[#EAEFA5]..> N7
+N7 -[#64B5F6]-> N8
+N8 ..[#EAEFA5]..> N9 : communicates
+N9 ..[#000000]..> N10
+N10 ..[#000000]..> N11
+N11 ..[#C2B2F0]..> N12
+N12 ..[#64B5F6]..> N13
+N13 ..[#000000]..> N14
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 -[#64B5F6]-> nest0_2
+nest0_2 -[#64B5F6]-> nest0_3 : designs
+N12 -[#C2B2F0]-> nest0_0
+nest0_3 ..[#EAEFA5]..> N6
+nest1_0 -[#EAEFA5]-> nest1_1
+N12 ..[#000000]..> nest1_0
+nest1_1 ..[#C2B2F0]..> N8
+N10 -[#000000]-> S0
+S0 ..[#C2B2F0]..> N13
+S0 ..[#EAEFA5]..> N14
+S0 ..[#64B5F6]..> N12
+N10 -[#C2B2F0]-> S1
+S1 ..[#000000]..> N12
+S1 -[#000000]-> N13
+N3 -[#64B5F6]-> S2
+S2 -[#000000]-> N11
+S2 -[#000000]-> N6
+S2 ..[#C2B2F0]..> N8
+N1 -[#64B5F6]-> M0
+N2 ..[#000000]..> M0
+N0 ..[#EAEFA5]..> M0
+M0 ..[#64B5F6]..> N4
+N1 ..[#64B5F6]..> M1
+N5 ..[#C2B2F0]..> M1
+N4 -[#000000]-> M1 : visualizes
+M1 ..[#EAEFA5]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_185.txt b/test/plantuml/graph_hard/plantuml_185.txt
new file mode 100644
index 0000000000000000000000000000000000000000..47666697b58727292fe02b0ebc5b9108361dd5e3
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_185.txt
@@ -0,0 +1,40 @@
+<Business Process Improvement, connectedTo, Data Quality Management>
+<Business Process Improvement, connectedTo, ETL Development>
+<Business Process Improvement, connectedTo, Risk Assessment Reporting>
+<Business Process Improvement, connectedTo, Sales Forecasting>
+<Cloud BI Solutions, connectedTo, Sales Forecasting>
+<Cloud BI Solutions, partOf, Self_Service BI Tools>
+<Customer Behavior Insights, connectedTo, Performance Monitoring>
+<Dashboard Design, connectedTo, ETL Development>
+<Dashboard Design, connectedTo, Sales Forecasting>
+<Data Modeling, connectedTo, Customer Behavior Insights>
+<Data Modeling, connectedTo, Data Security in BI>
+<Data Modeling, connectedTo, KPI Definition>
+<Data Quality Management, connectedTo, Data Modeling>
+<Data Security in BI, connectedTo, Cloud BI Solutions>
+<Data Security in BI, partOf, Self_Service BI Tools>
+<Data Source Integration, connectedTo, Executive Summary Reporting>
+<Data Source Integration, connectedTo, Risk Assessment Reporting>
+<Data Warehousing, designs, OLAP Cube Creation>
+<Data Warehousing, partOf, Real_time BI Dashboards>
+<ETL Development, connectedTo, Regulatory Compliance Reporting>
+<Executive Summary Reporting, connectedTo, Risk Assessment Reporting>
+<Executive Summary Reporting, connectedTo, Sales Forecasting>
+<Executive Summary Reporting, connectedTo, User Training and Support>
+<Financial Performance Reporting, connectedTo, Query Optimization>
+<HR Analytics Dashboards, connectedTo, Data Warehousing>
+<HR Analytics Dashboards, partOf, Real_time BI Dashboards>
+<KPI Definition, connectedTo, HR Analytics Dashboards>
+<KPI Definition, partOf, Real_time BI Dashboards>
+<OLAP Cube Creation, connectedTo, ETL Development>
+<OLAP Cube Creation, partOf, Real_time BI Dashboards>
+<Query Optimization, connectedTo, Customer Behavior Insights>
+<Query Optimization, connectedTo, Data Modeling>
+<Query Optimization, connectedTo, Data Quality Management>
+<Query Optimization, connectedTo, Performance Monitoring>
+<Regulatory Compliance Reporting, connectedTo, Sales Forecasting>
+<Risk Assessment Reporting, connectedTo, Dashboard Design>
+<Risk Assessment Reporting, visualizes, Sales Forecasting>
+<Sales Forecasting, communicates, Financial Performance Reporting>
+<User Training and Support, connectedTo, Business Process Improvement>
+<User Training and Support, connectedTo, Risk Assessment Reporting>
diff --git a/test/plantuml/graph_hard/plantuml_186.puml b/test/plantuml/graph_hard/plantuml_186.puml
new file mode 100644
index 0000000000000000000000000000000000000000..53a5ef2d33265f36dbdeb31f6991fced2423a755
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_186.puml
@@ -0,0 +1,66 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Data Lineage Tracking" as Group0 #FBE9E7 {
+    frame "Data Mart Design" as nest0_0 #FCE4EC
+    artifact "Market Trend Analysis" as nest0_1 #F0F0F0
+    rectangle "Real_time BI Dashboards" as nest0_2 #FCE4EC
+    cloud "Cloud BI Solutions" as nest0_3 #F0F0F0
+}
+rectangle "Dashboard Design" as Group1 #ECEFF1 {
+    node "Executive Summary Reporting" as nest1_0 #E0F7FA
+    folder "Master Data Management" as nest1_1 #FCE4EC
+    artifact "Business Process Improvement" as nest1_2 #E0F7FA
+    folder "Risk Assessment Reporting" as nest1_3 #FCE4EC
+}
+component "Data Security in BI" as N0 #FCE4EC
+component "Embedded Analytics" as N1 #E0F7FA
+database "ETL Development" as N2 #E0F7FA
+rectangle "Supply Chain Optimization" as N3 #FCE4EC
+component "OLAP Cube Creation" as N4 #E0F7FA
+component "Operational Efficiency Measurement" as N5 #FCE4EC
+component "Query Optimization" as N6 #F0F0F0
+folder "Self_Service BI Tools" as N7 #FCE4EC
+circle " " as S0 #E0F7FA
+circle " " as S1 #FCE4EC
+circle " " as M0 #F0F0F0
+circle " " as M1 #FCE4EC
+circle " " as M2 #F0F0F0
+N0 -[#E91E63]-> N1
+N1 ..[#000000]..> N2
+N2 ..[#E91E63]..> N3
+N3 -[#000000]-> N4 : self_serves
+N4 -[#000000]-> N5
+N5 ..[#000000]..> N6
+N6 -[#00BCD4]-> N7
+nest0_0 ..[#00BCD4]..> nest0_1
+nest0_1 -[#E91E63]-> nest0_2
+nest0_2 ..[#D2D2D2]..> nest0_3 : measures
+N6 ..[#000000]..> nest0_0
+nest0_3 -[#000000]-> N6
+nest1_0 ..[#D2D2D2]..> nest1_1
+nest1_1 -[#00BCD4]-> nest1_2
+nest1_2 ..[#E91E63]..> nest1_3
+N5 -[#00BCD4]-> nest1_0
+nest1_3 ..[#E91E63]..> N5
+N2 ..[#D2D2D2]..> S0
+S0 -[#E91E63]-> N5
+S0 ..[#D2D2D2]..> N4
+N4 ..[#D2D2D2]..> S1
+S1 ..[#E91E63]..> N7
+S1 ..[#00BCD4]..> N6 : plans
+N0 -[#00BCD4]-> M0
+N3 ..[#E91E63]..> M0
+N2 ..[#00BCD4]..> M0
+N1 -[#00BCD4]-> M0
+M0 ..[#000000]..> N5
+N0 -[#E91E63]-> M1
+N1 ..[#D2D2D2]..> M1
+M1 -[#E91E63]-> N3
+N1 -[#D2D2D2]-> M2
+N0 -[#000000]-> M2
+N2 ..[#D2D2D2]..> M2
+N3 ..[#D2D2D2]..> M2
+M2 -[#00BCD4]-> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_186.txt b/test/plantuml/graph_hard/plantuml_186.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e7fed7315b9e7ea047355d7078bc82fe561c0d6d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_186.txt
@@ -0,0 +1,38 @@
+<Business Process Improvement, connectedTo, Risk Assessment Reporting>
+<Business Process Improvement, partOf, Dashboard Design>
+<Cloud BI Solutions, connectedTo, Query Optimization>
+<Cloud BI Solutions, partOf, Data Lineage Tracking>
+<Data Mart Design, connectedTo, Market Trend Analysis>
+<Data Mart Design, partOf, Data Lineage Tracking>
+<Data Security in BI, connectedTo, Embedded Analytics>
+<Data Security in BI, connectedTo, Operational Efficiency Measurement>
+<Data Security in BI, connectedTo, Query Optimization>
+<Data Security in BI, connectedTo, Supply Chain Optimization>
+<ETL Development, connectedTo, OLAP Cube Creation>
+<ETL Development, connectedTo, Operational Efficiency Measurement>
+<ETL Development, connectedTo, Query Optimization>
+<ETL Development, connectedTo, Supply Chain Optimization>
+<Embedded Analytics, connectedTo, ETL Development>
+<Embedded Analytics, connectedTo, Operational Efficiency Measurement>
+<Embedded Analytics, connectedTo, Query Optimization>
+<Embedded Analytics, connectedTo, Supply Chain Optimization>
+<Executive Summary Reporting, connectedTo, Master Data Management>
+<Executive Summary Reporting, partOf, Dashboard Design>
+<Market Trend Analysis, connectedTo, Real_time BI Dashboards>
+<Market Trend Analysis, partOf, Data Lineage Tracking>
+<Master Data Management, connectedTo, Business Process Improvement>
+<Master Data Management, partOf, Dashboard Design>
+<OLAP Cube Creation, connectedTo, Operational Efficiency Measurement>
+<OLAP Cube Creation, connectedTo, Self_Service BI Tools>
+<OLAP Cube Creation, plans, Query Optimization>
+<Operational Efficiency Measurement, connectedTo, Executive Summary Reporting>
+<Operational Efficiency Measurement, connectedTo, Query Optimization>
+<Query Optimization, connectedTo, Data Mart Design>
+<Query Optimization, connectedTo, Self_Service BI Tools>
+<Real_time BI Dashboards, measures, Cloud BI Solutions>
+<Real_time BI Dashboards, partOf, Data Lineage Tracking>
+<Risk Assessment Reporting, connectedTo, Operational Efficiency Measurement>
+<Risk Assessment Reporting, partOf, Dashboard Design>
+<Supply Chain Optimization, connectedTo, Operational Efficiency Measurement>
+<Supply Chain Optimization, connectedTo, Query Optimization>
+<Supply Chain Optimization, self_serves, OLAP Cube Creation>
diff --git a/test/plantuml/graph_hard/plantuml_187.puml b/test/plantuml/graph_hard/plantuml_187.puml
new file mode 100644
index 0000000000000000000000000000000000000000..47e74077e16c7d257f4567b42fd383bf99a044f8
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_187.puml
@@ -0,0 +1,78 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Product Launch Strategy" as Group0 #E8F5E9 {
+    usecase "Marketing Automation" as nest0_0 #E4E0DF
+    rectangle "Personalization Strategies" as nest0_1 #FFFDE7
+    artifact "Target Audience Identification" as nest0_2 #FFFDE7
+}
+rectangle "Search Engine Optimization" as Group1 #FFF3E0 {
+    frame "Promotional Campaigns" as nest1_0 #E4E0DF
+    usecase "Content Marketing" as nest1_1 #FFFDE7
+    node "Campaign Performance Tracking" as nest1_2 #E4E0DF
+    rectangle "Video Marketing" as nest1_3 #FFFDE7
+}
+database "Website Design and Optimization" as N0 #F9FBE7
+artifact "Brand Strategy Development" as N1 #E4E0DF
+database "Guerilla Marketing" as N2 #FFFDE7
+component "Brand Reputation Management" as N3 #F9FBE7
+rectangle "Podcast Marketing" as N4 #F9FBE7
+component "Social Media Marketing" as N5 #E4E0DF
+rectangle "Influencer Marketing" as N6 #E4E0DF
+component "A or B Testing for Marketing" as N7 #E4E0DF
+artifact "Marketing Budget Allocation" as N8 #F9FBE7
+node "Affiliate Marketing" as N9 #F9FBE7
+component "Distribution Channel Management" as N10 #E4E0DF
+component "Competitive Analysis" as N11 #F9FBE7
+frame "Customer Relationship Management" as N12 #FFFDE7
+component "Experiential Marketing" as N13 #E4E0DF
+circle " " as S0 #F9FBE7
+circle " " as S1 #FFFDE7
+circle " " as S2 #E4E0DF
+circle " " as M0 #FFFDE7
+circle " " as M1 #FFFDE7
+circle " " as M2 #E4E0DF
+N0 ..[#C0CA33]..> N1
+N1 ..[#C0CA33]..> N2 : maps customer journeys
+N2 ..[#BDAFA8]..> N3 : retargets ads
+N3 ..[#000000]..> N4
+N4 ..[#000000]..> N5
+N5 ..[#000000]..> N6
+N6 ..[#C0CA33]..> N7
+N7 -[#BDAFA8]-> N8
+N8 ..[#C0CA33]..> N9
+N9 ..[#FBC02D]..> N10
+N10 -[#000000]-> N11
+N11 -[#C0CA33]-> N12
+N12 ..[#BDAFA8]..> N13
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 -[#C0CA33]-> nest0_2
+N11 -[#FBC02D]-> nest0_0
+nest0_2 -[#000000]-> N13
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 -[#BDAFA8]-> nest1_2
+nest1_2 ..[#FBC02D]..> nest1_3
+N9 ..[#000000]..> nest1_0
+nest1_3 ..[#BDAFA8]..> N1
+N2 -[#C0CA33]-> S0
+S0 -[#C0CA33]-> N9 : converts customers
+S0 -[#000000]-> N5
+S0 ..[#000000]..> N12
+N1 ..[#BDAFA8]..> S1
+S1 -[#BDAFA8]-> N13
+S1 -[#BDAFA8]-> N3
+S1 ..[#C0CA33]..> N5
+N2 -[#C0CA33]-> S2
+S2 -[#000000]-> N10
+S2 -[#BDAFA8]-> N13
+N3 ..[#C0CA33]..> M0
+N1 ..[#FBC02D]..> M0
+M0 -[#FBC02D]-> N5
+N6 ..[#C0CA33]..> M1
+N1 -[#FBC02D]-> M1
+M1 -[#FBC02D]-> N10
+N1 -[#C0CA33]-> M2
+N2 -[#FBC02D]-> M2 : podcast marketing
+M2 -[#C0CA33]-> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_187.txt b/test/plantuml/graph_hard/plantuml_187.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e62f4edc0d21f1ac3d3f6d6bf74dcfd4d3eae573
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_187.txt
@@ -0,0 +1,42 @@
+<A or B Testing for Marketing, connectedTo, Marketing Budget Allocation>
+<Affiliate Marketing, connectedTo, Distribution Channel Management>
+<Affiliate Marketing, connectedTo, Promotional Campaigns>
+<Brand Reputation Management, connectedTo, Podcast Marketing>
+<Brand Reputation Management, connectedTo, Social Media Marketing>
+<Brand Strategy Development, connectedTo, Brand Reputation Management>
+<Brand Strategy Development, connectedTo, Distribution Channel Management>
+<Brand Strategy Development, connectedTo, Experiential Marketing>
+<Brand Strategy Development, connectedTo, Podcast Marketing>
+<Brand Strategy Development, connectedTo, Social Media Marketing>
+<Brand Strategy Development, maps customer journeys, Guerilla Marketing>
+<Campaign Performance Tracking, connectedTo, Video Marketing>
+<Campaign Performance Tracking, partOf, Search Engine Optimization>
+<Competitive Analysis, connectedTo, Customer Relationship Management>
+<Competitive Analysis, connectedTo, Marketing Automation>
+<Content Marketing, connectedTo, Campaign Performance Tracking>
+<Content Marketing, partOf, Search Engine Optimization>
+<Customer Relationship Management, connectedTo, Experiential Marketing>
+<Distribution Channel Management, connectedTo, Competitive Analysis>
+<Guerilla Marketing, connectedTo, Customer Relationship Management>
+<Guerilla Marketing, connectedTo, Distribution Channel Management>
+<Guerilla Marketing, connectedTo, Experiential Marketing>
+<Guerilla Marketing, connectedTo, Social Media Marketing>
+<Guerilla Marketing, converts customers, Affiliate Marketing>
+<Guerilla Marketing, podcast marketing, Podcast Marketing>
+<Guerilla Marketing, retargets ads, Brand Reputation Management>
+<Influencer Marketing, connectedTo, A or B Testing for Marketing>
+<Influencer Marketing, connectedTo, Distribution Channel Management>
+<Marketing Automation, connectedTo, Personalization Strategies>
+<Marketing Automation, partOf, Product Launch Strategy>
+<Marketing Budget Allocation, connectedTo, Affiliate Marketing>
+<Personalization Strategies, connectedTo, Target Audience Identification>
+<Personalization Strategies, partOf, Product Launch Strategy>
+<Podcast Marketing, connectedTo, Social Media Marketing>
+<Promotional Campaigns, connectedTo, Content Marketing>
+<Promotional Campaigns, partOf, Search Engine Optimization>
+<Social Media Marketing, connectedTo, Influencer Marketing>
+<Target Audience Identification, connectedTo, Experiential Marketing>
+<Target Audience Identification, partOf, Product Launch Strategy>
+<Video Marketing, connectedTo, Brand Strategy Development>
+<Video Marketing, partOf, Search Engine Optimization>
+<Website Design and Optimization, connectedTo, Brand Strategy Development>
diff --git a/test/plantuml/graph_hard/plantuml_188.puml b/test/plantuml/graph_hard/plantuml_188.puml
new file mode 100644
index 0000000000000000000000000000000000000000..579345f16a0f0e4b5a7fec9912539faa18db1560
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_188.puml
@@ -0,0 +1,64 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Direct Mail Marketing" as Group0 #EDE7F6 {
+    rectangle "Mobile Marketing" as nest0_0 #E3F2FD
+    database "Customer Segmentation" as nest0_1 #FDFCEB
+}
+rectangle "Brand Reputation Management" as Group1 #E3F2FD {
+    frame "Marketing Analytics" as nest1_0 #E3F2FD
+    folder "Guerilla Marketing" as nest1_1 #FDFCEB
+    rectangle "Event Marketing" as nest1_2 #FDFCEB
+}
+database "Website Design and Optimization" as N0 #FDFCEB
+usecase "Podcast Marketing" as N1 #E3F2FD
+folder "Marketing Automation" as N2 #E3F2FD
+artifact "Social Media Marketing" as N3 #FDFCEB
+node "Search Engine Marketing" as N4 #E3F2FD
+node "Video Marketing" as N5 #FDFCEB
+folder "Campaign Performance Tracking" as N6 #FDFCEB
+folder "Customer Journey Mapping" as N7 #E3F2FD
+cloud "Loyalty Programs" as N8 #E3F2FD
+artifact "Public Relations" as N9 #E3F2FD
+artifact "Competitive Analysis" as N10 #E3F2FD
+frame "Influencer Marketing" as N11 #E3F2FD
+cloud "Customer Relationship Management" as N12 #FDFCEB
+node "Target Audience Identification" as N13 #DED7F0
+cloud "Affiliate Marketing" as N14 #DED7F0
+cloud "Search Engine Optimization" as N15 #E3F2FD
+frame "Email Marketing" as N16 #FDFCEB
+circle " " as S1 #DED7F0
+circle " " as M0 #E3F2FD
+N0 ..[#EAEFA5]..> N1 : automates tasks
+N1 ..[#000000]..> N2
+N2 -[#EAEFA5]-> N3 : manages budgets
+N3 -[#000000]-> N4
+N4 -[#000000]-> N5
+N5 -[#A188DB]-> N6
+N6 -[#000000]-> N7
+N7 ..[#A188DB]..> N8
+N8 ..[#64B5F6]..> N9
+N9 -[#EAEFA5]-> N10
+N10 -[#EAEFA5]-> N11
+N11 ..[#000000]..> N12
+N12 -[#A188DB]-> N13 : generates leads
+N13 ..[#EAEFA5]..> N14
+N14 ..[#64B5F6]..> N15
+N15 -[#000000]-> N16
+nest0_0 ..[#EAEFA5]..> nest0_1
+N8 ..[#000000]..> nest0_0
+nest0_1 ..[#000000]..> N1
+nest1_0 -[#000000]-> nest1_1 : podcast marketing
+nest1_1 ..[#000000]..> nest1_2
+N9 -[#64B5F6]-> nest1_0 : runs SEM
+nest1_2 -[#64B5F6]-> N16
+N10 -[#EAEFA5]-> S1
+S1 -[#A188DB]-> N14
+S1 ..[#000000]..> N12
+N5 -[#A188DB]-> M0 : enhances experiences
+N4 ..[#000000]..> M0
+N6 -[#000000]-> M0
+M0 -[#EAEFA5]-> N12
+N0 -[#EAEFA5]-> N11
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_188.txt b/test/plantuml/graph_hard/plantuml_188.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cbc977e52d2811750c143d403e7e575f2d507074
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_188.txt
@@ -0,0 +1,34 @@
+<Affiliate Marketing, connectedTo, Search Engine Optimization>
+<Campaign Performance Tracking, connectedTo, Customer Journey Mapping>
+<Campaign Performance Tracking, connectedTo, Customer Relationship Management>
+<Competitive Analysis, connectedTo, Affiliate Marketing>
+<Competitive Analysis, connectedTo, Customer Relationship Management>
+<Competitive Analysis, connectedTo, Influencer Marketing>
+<Customer Journey Mapping, connectedTo, Loyalty Programs>
+<Customer Relationship Management, generates leads, Target Audience Identification>
+<Customer Segmentation, connectedTo, Podcast Marketing>
+<Customer Segmentation, partOf, Direct Mail Marketing>
+<Event Marketing, connectedTo, Email Marketing>
+<Event Marketing, partOf, Brand Reputation Management>
+<Guerilla Marketing, connectedTo, Event Marketing>
+<Guerilla Marketing, partOf, Brand Reputation Management>
+<Influencer Marketing, connectedTo, Customer Relationship Management>
+<Loyalty Programs, connectedTo, Mobile Marketing>
+<Loyalty Programs, connectedTo, Public Relations>
+<Marketing Analytics, partOf, Brand Reputation Management>
+<Marketing Analytics, podcast marketing, Guerilla Marketing>
+<Marketing Automation, manages budgets, Social Media Marketing>
+<Mobile Marketing, connectedTo, Customer Segmentation>
+<Mobile Marketing, partOf, Direct Mail Marketing>
+<Podcast Marketing, connectedTo, Marketing Automation>
+<Public Relations, connectedTo, Competitive Analysis>
+<Public Relations, runs SEM, Marketing Analytics>
+<Search Engine Marketing, connectedTo, Customer Relationship Management>
+<Search Engine Marketing, connectedTo, Video Marketing>
+<Search Engine Optimization, connectedTo, Email Marketing>
+<Social Media Marketing, connectedTo, Search Engine Marketing>
+<Target Audience Identification, connectedTo, Affiliate Marketing>
+<Video Marketing, connectedTo, Campaign Performance Tracking>
+<Video Marketing, enhances experiences, Customer Relationship Management>
+<Website Design and Optimization, automates tasks, Podcast Marketing>
+<Website Design and Optimization, connectedTo, Influencer Marketing>
diff --git a/test/plantuml/graph_hard/plantuml_189.puml b/test/plantuml/graph_hard/plantuml_189.puml
new file mode 100644
index 0000000000000000000000000000000000000000..56307241c2c0b20e9b0a8e0d484f1d54a4b732ff
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_189.puml
@@ -0,0 +1,70 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Conversion Rate Optimization" as Group0 #E0F2F1 {
+    component "Video Marketing" as nest0_0 #B3E5FC
+    frame "Partnership Marketing" as nest0_1 #B3E5FC
+    artifact "Guerilla Marketing" as nest0_2 #B3E5FC
+    usecase "Email Marketing" as nest0_3 #E9F7E8
+}
+rectangle "Search Engine Optimization" as Group1 #E0F2F1 {
+    usecase "Event Marketing" as nest1_0 #B3E5FC
+    component "Website Design and Optimization" as nest1_1 #FFF3E0
+}
+artifact "Campaign Performance Tracking" as N0 #FFF3E0
+cloud "Promotional Campaigns" as N1 #E9F7E8
+frame "Search Engine Marketing" as N2 #B3E5FC
+cloud "Remarketing Campaigns" as N3 #B3E5FC
+rectangle "Mobile Marketing" as N4 #B3E5FC
+frame "Marketing Budget Allocation" as N5 #B3E5FC
+component "Brand Strategy Development" as N6 #B3E5FC
+artifact "Loyalty Programs" as N7 #E9F7E8
+database "Affiliate Marketing" as N8 #E9F7E8
+folder "Distribution Channel Management" as N9 #E9F7E8
+usecase "Marketing Automation" as N10 #FFF3E0
+component "Marketing Analytics" as N11 #B3E5FC
+frame "A or B Testing for Marketing" as N12 #E9F7E8
+usecase "Experiential Marketing" as N13 #B3E5FC
+cloud "Customer Segmentation" as N14 #E9F7E8
+node "Podcast Marketing" as N15 #FFF3E0
+folder "Product Launch Strategy" as N16 #B3E5FC
+circle " " as S0 #E9F7E8
+circle " " as S1 #FFF3E0
+circle " " as S2 #E9F7E8
+N0 ..[#03A9F4]..> N1
+N1 -[#03A9F4]-> N2
+N2 -[#03A9F4]-> N3
+N3 ..[#03A9F4]..> N4
+N4 ..[#FFB74D]..> N5
+N5 ..[#6EB76D]..> N6
+N6 -[#03A9F4]-> N7
+N7 ..[#6EB76D]..> N8 : runs SEM
+N8 -[#FFB74D]-> N9
+N9 -[#FFB74D]-> N10
+N10 ..[#FFB74D]..> N11
+N11 ..[#03A9F4]..> N12
+N12 ..[#03A9F4]..> N13
+N13 -[#000000]-> N14 : organizes events
+N14 -[#03A9F4]-> N15
+N15 -[#FFB74D]-> N16
+nest0_0 ..[#6EB76D]..> nest0_1
+nest0_1 -[#000000]-> nest0_2 : automates tasks
+nest0_2 -[#03A9F4]-> nest0_3
+N4 -[#FFB74D]-> nest0_0
+nest0_3 ..[#03A9F4]..> N3
+nest1_0 ..[#03A9F4]..> nest1_1
+N6 -[#6EB76D]-> nest1_0
+nest1_1 -[#6EB76D]-> N2
+N13 ..[#6EB76D]..> S0
+S0 ..[#000000]..> N15
+S0 -[#FFB74D]-> N16
+N8 ..[#6EB76D]..> S1
+S1 -[#6EB76D]-> N14
+S1 ..[#000000]..> N11 : creates content
+S1 -[#6EB76D]-> N12
+N6 -[#03A9F4]-> S2
+S2 ..[#03A9F4]..> N8
+S2 ..[#03A9F4]..> N15
+S2 -[#FFB74D]-> N13
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_189.txt b/test/plantuml/graph_hard/plantuml_189.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c2401f57b2c633fb7e940f53f780e59e7b2ff576
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_189.txt
@@ -0,0 +1,38 @@
+<A or B Testing for Marketing, connectedTo, Experiential Marketing>
+<Affiliate Marketing, connectedTo, A or B Testing for Marketing>
+<Affiliate Marketing, connectedTo, Customer Segmentation>
+<Affiliate Marketing, connectedTo, Distribution Channel Management>
+<Affiliate Marketing, creates content, Marketing Analytics>
+<Brand Strategy Development, connectedTo, Affiliate Marketing>
+<Brand Strategy Development, connectedTo, Event Marketing>
+<Brand Strategy Development, connectedTo, Experiential Marketing>
+<Brand Strategy Development, connectedTo, Loyalty Programs>
+<Brand Strategy Development, connectedTo, Podcast Marketing>
+<Campaign Performance Tracking, connectedTo, Promotional Campaigns>
+<Customer Segmentation, connectedTo, Podcast Marketing>
+<Distribution Channel Management, connectedTo, Marketing Automation>
+<Email Marketing, connectedTo, Remarketing Campaigns>
+<Email Marketing, partOf, Conversion Rate Optimization>
+<Event Marketing, connectedTo, Website Design and Optimization>
+<Event Marketing, partOf, Search Engine Optimization>
+<Experiential Marketing, connectedTo, Podcast Marketing>
+<Experiential Marketing, connectedTo, Product Launch Strategy>
+<Experiential Marketing, organizes events, Customer Segmentation>
+<Guerilla Marketing, connectedTo, Email Marketing>
+<Guerilla Marketing, partOf, Conversion Rate Optimization>
+<Loyalty Programs, runs SEM, Affiliate Marketing>
+<Marketing Analytics, connectedTo, A or B Testing for Marketing>
+<Marketing Automation, connectedTo, Marketing Analytics>
+<Marketing Budget Allocation, connectedTo, Brand Strategy Development>
+<Mobile Marketing, connectedTo, Marketing Budget Allocation>
+<Mobile Marketing, connectedTo, Video Marketing>
+<Partnership Marketing, automates tasks, Guerilla Marketing>
+<Partnership Marketing, partOf, Conversion Rate Optimization>
+<Podcast Marketing, connectedTo, Product Launch Strategy>
+<Promotional Campaigns, connectedTo, Search Engine Marketing>
+<Remarketing Campaigns, connectedTo, Mobile Marketing>
+<Search Engine Marketing, connectedTo, Remarketing Campaigns>
+<Video Marketing, connectedTo, Partnership Marketing>
+<Video Marketing, partOf, Conversion Rate Optimization>
+<Website Design and Optimization, connectedTo, Search Engine Marketing>
+<Website Design and Optimization, partOf, Search Engine Optimization>
diff --git a/test/plantuml/graph_hard/plantuml_19.puml b/test/plantuml/graph_hard/plantuml_19.puml
new file mode 100644
index 0000000000000000000000000000000000000000..9a5cc6d7bd06af1235d5525df0cae46e456d368d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_19.puml
@@ -0,0 +1,70 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Nuclear Reactor Control" as Group0 #E0F2F1 {
+    artifact "Cybersecurity for Grid" as nest0_0 #DFE7EB
+    folder "Pipeline Monitoring" as nest0_1 #FFE88D
+    frame "Grid Modernization" as nest0_2 #EDE7F6
+}
+rectangle "Energy Efficiency Audit" as Group1 #E3F2FD {
+    node "Load Shedding" as nest1_0 #DFE7EB
+    frame "Sensor Reading" as nest1_1 #DFE7EB
+    frame "Oil and Gas Exploration" as nest1_2 #EDE7F6
+}
+cloud "Renewable Integration" as N0 #EDE7F6
+folder "Voltage Regulation" as N1 #FFE88D
+folder "Smart Metering" as N2 #FFE88D
+artifact "Alert Dispatch" as N3 #FFE88D
+component "Substation Automation" as N4 #DFE7EB
+component "Carbon Capture" as N5 #FFE88D
+component "Power Backup" as N6 #EDE7F6
+rectangle "Peak Shaving" as N7 #EDE7F6
+usecase "Consumption Logging" as N8 #FFE88D
+node "Grid Balancing" as N9 #DFE7EB
+node "Energy Infrastructure Planning" as N10 #DFE7EB
+cloud "Solar Panel Installation" as N11 #EDE7F6
+frame "Transformer Station" as N12 #EDE7F6
+circle " " as S0 #DFE7EB
+circle " " as S1 #EDE7F6
+circle " " as M0 #FFE88D
+circle " " as M1 #DFE7EB
+circle " " as M2 #EDE7F6
+N0 ..[#FFDA4E]..> N1
+N1 ..[#B0C5CD]..> N2
+N2 -[#000000]-> N3
+N3 ..[#B0C5CD]..> N4
+N4 -[#B0C5CD]-> N5
+N5 ..[#B0C5CD]..> N6
+N6 -[#9575CD]-> N7
+N7 ..[#FFDA4E]..> N8
+N8 -[#FFDA4E]-> N9
+N9 ..[#000000]..> N10
+N10 -[#FFDA4E]-> N11
+N11 ..[#9575CD]..> N12
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 ..[#9575CD]..> nest0_2
+N4 -[#9575CD]-> nest0_0
+nest0_2 -[#FFDA4E]-> N4
+nest1_0 -[#9575CD]-> nest1_1
+nest1_1 ..[#FFDA4E]..> nest1_2 : stores
+N7 ..[#FFDA4E]..> nest1_0
+nest1_2 ..[#FFDA4E]..> N2
+N8 -[#9575CD]-> S0
+S0 ..[#B0C5CD]..> N11
+S0 ..[#B0C5CD]..> N10
+N8 ..[#FFDA4E]..> S1
+S1 -[#9575CD]-> N12
+S1 -[#000000]-> N10
+S1 -[#FFDA4E]-> N11
+N2 -[#FFDA4E]-> M0
+N1 ..[#FFDA4E]..> M0
+M0 -[#9575CD]-> N4
+N3 ..[#000000]..> M1 : secures
+N6 ..[#000000]..> M1
+M1 ..[#B0C5CD]..> N10
+N4 -[#000000]-> M2
+N5 -[#000000]-> M2
+N3 ..[#B0C5CD]..> M2
+M2 -[#FFDA4E]-> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_19.txt b/test/plantuml/graph_hard/plantuml_19.txt
new file mode 100644
index 0000000000000000000000000000000000000000..32827cfa917c9ddd6fc99f2c8f8722aa917b2868
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_19.txt
@@ -0,0 +1,36 @@
+<Alert Dispatch, connectedTo, Peak Shaving>
+<Alert Dispatch, connectedTo, Substation Automation>
+<Alert Dispatch, secures, Energy Infrastructure Planning>
+<Carbon Capture, connectedTo, Peak Shaving>
+<Carbon Capture, connectedTo, Power Backup>
+<Consumption Logging, connectedTo, Energy Infrastructure Planning>
+<Consumption Logging, connectedTo, Grid Balancing>
+<Consumption Logging, connectedTo, Solar Panel Installation>
+<Consumption Logging, connectedTo, Transformer Station>
+<Cybersecurity for Grid, connectedTo, Pipeline Monitoring>
+<Cybersecurity for Grid, partOf, Nuclear Reactor Control>
+<Energy Infrastructure Planning, connectedTo, Solar Panel Installation>
+<Grid Balancing, connectedTo, Energy Infrastructure Planning>
+<Grid Modernization, connectedTo, Substation Automation>
+<Grid Modernization, partOf, Nuclear Reactor Control>
+<Load Shedding, connectedTo, Sensor Reading>
+<Load Shedding, partOf, Energy Efficiency Audit>
+<Oil and Gas Exploration, connectedTo, Smart Metering>
+<Oil and Gas Exploration, partOf, Energy Efficiency Audit>
+<Peak Shaving, connectedTo, Consumption Logging>
+<Peak Shaving, connectedTo, Load Shedding>
+<Pipeline Monitoring, connectedTo, Grid Modernization>
+<Pipeline Monitoring, partOf, Nuclear Reactor Control>
+<Power Backup, connectedTo, Energy Infrastructure Planning>
+<Power Backup, connectedTo, Peak Shaving>
+<Renewable Integration, connectedTo, Voltage Regulation>
+<Sensor Reading, partOf, Energy Efficiency Audit>
+<Sensor Reading, stores, Oil and Gas Exploration>
+<Smart Metering, connectedTo, Alert Dispatch>
+<Smart Metering, connectedTo, Substation Automation>
+<Solar Panel Installation, connectedTo, Transformer Station>
+<Substation Automation, connectedTo, Carbon Capture>
+<Substation Automation, connectedTo, Cybersecurity for Grid>
+<Substation Automation, connectedTo, Peak Shaving>
+<Voltage Regulation, connectedTo, Smart Metering>
+<Voltage Regulation, connectedTo, Substation Automation>
diff --git a/test/plantuml/graph_hard/plantuml_190.puml b/test/plantuml/graph_hard/plantuml_190.puml
new file mode 100644
index 0000000000000000000000000000000000000000..072edf573d82ff4f33ee21d8fb4a55853b1d3e93
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_190.puml
@@ -0,0 +1,72 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Budget Management" as Group0 #FBE9E7 {
+    database "Search Engine Ads" as nest0_0 #D0E0F8
+    folder "Social Media Ads" as nest0_1 #F8BBD0
+    cloud "Ad Network Management" as nest0_2 #D0E0F8
+}
+rectangle "Conversion Tracking" as Group1 #E3F2FD {
+    folder "Native Advertising" as nest1_0 #D0E0F8
+    cloud "Print Advertising" as nest1_1 #D0E0F8
+    cloud "Regulatory Compliance for Ads" as nest1_2 #D0E0F8
+}
+artifact "Audience Segmentation for Ads" as N0 #EFEBE9
+component "Media Buying" as N1 #EFEBE9
+node "Landing Page Optimization" as N2 #EFEBE9
+rectangle "Audience Targeting" as N3 #F8BBD0
+artifact "Direct Response Campaigns" as N4 #F8BBD0
+cloud "Digital Advertising" as N5 #D0E0F8
+folder "Fraud Detection in Ads" as N6 #F8BBD0
+cloud "Campaign Planning" as N7 #EFEBE9
+cloud "Programmatic Advertising" as N8 #F8BBD0
+folder "Television Advertising" as N9 #D0E0F8
+folder "Video Advertising" as N10 #D0E0F8
+frame "Retargeting Campaigns" as N11 #D0E0F8
+folder "Outdoor Advertising" as N12 #D0E0F8
+frame "Demographic Targeting" as N13 #F8BBD0
+circle " " as S0 #D0E0F8
+circle " " as S2 #EFEBE9
+circle " " as M0 #F8BBD0
+circle " " as M1 #F8BBD0
+N0 ..[#A1887F]..> N1
+N1 -[#A1887F]-> N2
+N2 -[#4285F4]-> N3
+N3 -[#4285F4]-> N4
+N4 ..[#A1887F]..> N5 : radio ads
+N5 -[#E91E63]-> N6
+N6 ..[#E91E63]..> N7
+N7 ..[#E91E63]..> N8
+N8 ..[#A1887F]..> N9
+N9 -[#4285F4]-> N10
+N10 -[#E91E63]-> N11
+N11 ..[#E91E63]..> N12
+N12 ..[#000000]..> N13
+nest0_0 ..[#4285F4]..> nest0_1
+nest0_1 -[#4285F4]-> nest0_2 : creates ads
+N9 -[#A1887F]-> nest0_0
+nest0_2 -[#000000]-> N2
+nest1_0 ..[#4285F4]..> nest1_1
+nest1_1 ..[#4285F4]..> nest1_2
+N3 -[#A1887F]-> nest1_0
+nest1_2 ..[#E91E63]..> N1
+N3 -[#000000]-> S0
+S0 ..[#E91E63]..> N6
+S0 ..[#A1887F]..> N7
+N2 ..[#000000]..> S2
+S2 -[#E91E63]-> N11
+S2 -[#E91E63]-> N4
+S2 ..[#4285F4]..> N8 : writes copy
+S2 ..[#E91E63]..> N10
+N4 -[#4285F4]-> M0
+N5 ..[#A1887F]..> M0
+N7 -[#4285F4]-> M0
+N2 ..[#E91E63]..> M0 : uses geo_targeting
+M0 ..[#4285F4]..> N9
+N2 ..[#E91E63]..> M1
+N3 -[#E91E63]-> M1
+N4 -[#000000]-> M1 : native ads
+N0 ..[#A1887F]..> M1
+M1 ..[#A1887F]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_190.txt b/test/plantuml/graph_hard/plantuml_190.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6be49f4819183df8a48ed7649271ad716b827c91
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_190.txt
@@ -0,0 +1,41 @@
+<Ad Network Management, connectedTo, Landing Page Optimization>
+<Ad Network Management, partOf, Budget Management>
+<Audience Segmentation for Ads, connectedTo, Media Buying>
+<Audience Segmentation for Ads, connectedTo, Programmatic Advertising>
+<Audience Targeting, connectedTo, Campaign Planning>
+<Audience Targeting, connectedTo, Direct Response Campaigns>
+<Audience Targeting, connectedTo, Fraud Detection in Ads>
+<Audience Targeting, connectedTo, Native Advertising>
+<Audience Targeting, connectedTo, Programmatic Advertising>
+<Campaign Planning, connectedTo, Programmatic Advertising>
+<Campaign Planning, connectedTo, Television Advertising>
+<Digital Advertising, connectedTo, Fraud Detection in Ads>
+<Digital Advertising, connectedTo, Television Advertising>
+<Direct Response Campaigns, connectedTo, Television Advertising>
+<Direct Response Campaigns, native ads, Programmatic Advertising>
+<Direct Response Campaigns, radio ads, Digital Advertising>
+<Fraud Detection in Ads, connectedTo, Campaign Planning>
+<Landing Page Optimization, connectedTo, Audience Targeting>
+<Landing Page Optimization, connectedTo, Direct Response Campaigns>
+<Landing Page Optimization, connectedTo, Programmatic Advertising>
+<Landing Page Optimization, connectedTo, Retargeting Campaigns>
+<Landing Page Optimization, connectedTo, Video Advertising>
+<Landing Page Optimization, uses geo_targeting, Television Advertising>
+<Landing Page Optimization, writes copy, Programmatic Advertising>
+<Media Buying, connectedTo, Landing Page Optimization>
+<Native Advertising, connectedTo, Print Advertising>
+<Native Advertising, partOf, Conversion Tracking>
+<Outdoor Advertising, connectedTo, Demographic Targeting>
+<Print Advertising, connectedTo, Regulatory Compliance for Ads>
+<Print Advertising, partOf, Conversion Tracking>
+<Programmatic Advertising, connectedTo, Television Advertising>
+<Regulatory Compliance for Ads, connectedTo, Media Buying>
+<Regulatory Compliance for Ads, partOf, Conversion Tracking>
+<Retargeting Campaigns, connectedTo, Outdoor Advertising>
+<Search Engine Ads, connectedTo, Social Media Ads>
+<Search Engine Ads, partOf, Budget Management>
+<Social Media Ads, creates ads, Ad Network Management>
+<Social Media Ads, partOf, Budget Management>
+<Television Advertising, connectedTo, Search Engine Ads>
+<Television Advertising, connectedTo, Video Advertising>
+<Video Advertising, connectedTo, Retargeting Campaigns>
diff --git a/test/plantuml/graph_hard/plantuml_191.puml b/test/plantuml/graph_hard/plantuml_191.puml
new file mode 100644
index 0000000000000000000000000000000000000000..15a8eb410d25ae357624e12d2b4314227521beb0
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_191.puml
@@ -0,0 +1,57 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Programmatic Advertising" as Group0 #FFF3E0 {
+    usecase "Media Buying" as nest0_0 #E6EE9C
+    database "Direct Response Campaigns" as nest0_1 #D7CCC8
+}
+rectangle "Audience Targeting" as Group1 #F1F8E9 {
+    folder "Ad Placement Optimization" as nest1_0 #E0F2F1
+    folder "Brand Awareness Campaigns" as nest1_1 #E0F2F1
+}
+folder "Interactive Ad Formats" as N0 #E6EE9C
+artifact "Video Advertising" as N1 #E0F2F1
+frame "Retargeting Campaigns" as N2 #E0F2F1
+folder "Geo_Targeting" as N3 #E0F2F1
+folder "Ad Creative Development" as N4 #E6EE9C
+rectangle "Conversion Tracking" as N5 #E0F2F1
+cloud "Audience Segmentation for Ads" as N6 #E0F2F1
+database "Ad Analytics Reporting" as N7 #E0F2F1
+database "Radio Advertising" as N8 #E0F2F1
+folder "Outdoor Advertising" as N9 #D7CCC8
+database "Campaign Planning" as N10 #E0F2F1
+usecase "Print Advertising" as N11 #D7CCC8
+folder "Customer Acquisition Cost Analysis" as N12 #D7CCC8
+circle " " as S0 #D7CCC8
+circle " " as S1 #E6EE9C
+circle " " as M0 #D7CCC8
+N0 ..[#CDDC39]..> N1
+N1 -[#000000]-> N2
+N2 -[#26A69A]-> N3
+N3 ..[#CDDC39]..> N4
+N4 ..[#000000]..> N5
+N5 ..[#000000]..> N6
+N6 ..[#000000]..> N7
+N7 ..[#795548]..> N8
+N8 ..[#795548]..> N9
+N9 -[#000000]-> N10
+N10 -[#000000]-> N11
+N11 -[#CDDC39]-> N12
+nest0_0 -[#000000]-> nest0_1
+N8 ..[#795548]..> nest0_0
+nest0_1 ..[#795548]..> N1
+nest1_0 -[#795548]-> nest1_1
+N8 -[#795548]-> nest1_0
+nest1_1 ..[#795548]..> N12
+N4 ..[#26A69A]..> S0
+S0 ..[#000000]..> N11
+S0 -[#795548]-> N9
+S0 -[#CDDC39]-> N12
+N2 ..[#795548]..> S1
+S1 -[#000000]-> N4
+S1 -[#795548]-> N10 : targets demographics
+N0 ..[#26A69A]..> M0 : manages ad networks
+N1 ..[#000000]..> M0
+M0 ..[#795548]..> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_191.txt b/test/plantuml/graph_hard/plantuml_191.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b0546cfd0da591fca000ce4db9c0631409160933
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_191.txt
@@ -0,0 +1,29 @@
+<Ad Analytics Reporting, connectedTo, Radio Advertising>
+<Ad Creative Development, connectedTo, Conversion Tracking>
+<Ad Creative Development, connectedTo, Customer Acquisition Cost Analysis>
+<Ad Creative Development, connectedTo, Outdoor Advertising>
+<Ad Creative Development, connectedTo, Print Advertising>
+<Ad Placement Optimization, connectedTo, Brand Awareness Campaigns>
+<Ad Placement Optimization, partOf, Audience Targeting>
+<Audience Segmentation for Ads, connectedTo, Ad Analytics Reporting>
+<Brand Awareness Campaigns, connectedTo, Customer Acquisition Cost Analysis>
+<Brand Awareness Campaigns, partOf, Audience Targeting>
+<Campaign Planning, connectedTo, Print Advertising>
+<Conversion Tracking, connectedTo, Audience Segmentation for Ads>
+<Direct Response Campaigns, connectedTo, Video Advertising>
+<Direct Response Campaigns, partOf, Programmatic Advertising>
+<Geo_Targeting, connectedTo, Ad Creative Development>
+<Interactive Ad Formats, connectedTo, Video Advertising>
+<Interactive Ad Formats, manages ad networks, Geo_Targeting>
+<Media Buying, connectedTo, Direct Response Campaigns>
+<Media Buying, partOf, Programmatic Advertising>
+<Outdoor Advertising, connectedTo, Campaign Planning>
+<Print Advertising, connectedTo, Customer Acquisition Cost Analysis>
+<Radio Advertising, connectedTo, Ad Placement Optimization>
+<Radio Advertising, connectedTo, Media Buying>
+<Radio Advertising, connectedTo, Outdoor Advertising>
+<Retargeting Campaigns, connectedTo, Ad Creative Development>
+<Retargeting Campaigns, connectedTo, Geo_Targeting>
+<Retargeting Campaigns, targets demographics, Campaign Planning>
+<Video Advertising, connectedTo, Geo_Targeting>
+<Video Advertising, connectedTo, Retargeting Campaigns>
diff --git a/test/plantuml/graph_hard/plantuml_192.puml b/test/plantuml/graph_hard/plantuml_192.puml
new file mode 100644
index 0000000000000000000000000000000000000000..b15fa6fa1706a2ecd22724249083e5301341fcd7
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_192.puml
@@ -0,0 +1,64 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Budget Management" as Group0 #F3E5F5 {
+    frame "Landing Page Optimization" as nest0_0 #FDFCEB
+    frame "Search Engine Ads" as nest0_1 #FDFCEB
+    folder "Conversion Tracking" as nest0_2 #FFFAE0
+    artifact "Privacy Concerns in Ads" as nest0_3 #FDFCEB
+}
+rectangle "Print Advertising" as Group1 #F3E5F5 {
+    node "Radio Advertising" as nest1_0 #FFF9D4
+    usecase "Performance Tracking" as nest1_1 #FDFCEB
+    usecase "Audience Segmentation for Ads" as nest1_2 #FFF9D4
+    frame "Visual Design for Ads" as nest1_3 #FFF9D4
+}
+usecase "Television Advertising" as N0 #FFFAE0
+database "Media Buying" as N1 #FFFAE0
+component "Ad Platform Management" as N2 #FFFAE0
+cloud "A or B Testing for Ads" as N3 #FFF9D4
+cloud "Psychographic Targeting" as N4 #FFF9D4
+component "Regulatory Compliance for Ads" as N5 #FDFCEB
+component "Direct Response Campaigns" as N6 #FDFCEB
+cloud "Programmatic Advertising" as N7 #FFFAE0
+artifact "Customer Acquisition Cost Analysis" as N8 #FDFCEB
+artifact "Display Advertising" as N9 #FFFAE0
+circle " " as S0 #FFF9D4
+circle " " as S1 #FFFAE0
+circle " " as S2 #FFFAE0
+circle " " as M1 #FFF9D4
+N0 ..[#FFE470]..> N1
+N1 ..[#FFE470]..> N2
+N2 -[#000000]-> N3
+N3 -[#000000]-> N4
+N4 -[#FFE470]-> N5
+N5 -[#EAEFA5]-> N6 : measures ROAS
+N6 -[#FFE69C]-> N7 : segments audiences
+N7 ..[#000000]..> N8
+N8 -[#000000]-> N9
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 -[#FFE69C]-> nest0_2
+nest0_2 -[#FFE69C]-> nest0_3
+N3 -[#FFE470]-> nest0_0
+nest0_3 -[#EAEFA5]-> N8 : buys media
+nest1_0 ..[#FFE470]..> nest1_1
+nest1_1 -[#FFE470]-> nest1_2 : generates responses
+nest1_2 -[#000000]-> nest1_3
+N7 -[#000000]-> nest1_0
+nest1_3 ..[#FFE470]..> N8
+N6 -[#FFE69C]-> S0
+S0 ..[#FFE69C]..> N8
+S0 ..[#000000]..> N9
+N1 ..[#FFE69C]..> S1
+S1 -[#EAEFA5]-> N9 : drives conversions
+S1 -[#FFE470]-> N3
+N5 ..[#EAEFA5]..> S2
+S2 ..[#FFE69C]..> N9
+S2 ..[#EAEFA5]..> N8
+S2 -[#000000]-> N7
+N1 ..[#FFE69C]..> M1
+N0 -[#FFE69C]-> M1
+N5 ..[#000000]..> M1
+M1 ..[#000000]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_192.txt b/test/plantuml/graph_hard/plantuml_192.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ac9623fb79b124cd2f8dc48b236698e5c4ebcbcb
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_192.txt
@@ -0,0 +1,36 @@
+<A or B Testing for Ads, connectedTo, Landing Page Optimization>
+<A or B Testing for Ads, connectedTo, Psychographic Targeting>
+<Ad Platform Management, connectedTo, A or B Testing for Ads>
+<Audience Segmentation for Ads, connectedTo, Visual Design for Ads>
+<Audience Segmentation for Ads, partOf, Print Advertising>
+<Conversion Tracking, connectedTo, Privacy Concerns in Ads>
+<Conversion Tracking, partOf, Budget Management>
+<Customer Acquisition Cost Analysis, connectedTo, Display Advertising>
+<Direct Response Campaigns, connectedTo, Customer Acquisition Cost Analysis>
+<Direct Response Campaigns, connectedTo, Display Advertising>
+<Direct Response Campaigns, segments audiences, Programmatic Advertising>
+<Landing Page Optimization, connectedTo, Search Engine Ads>
+<Landing Page Optimization, partOf, Budget Management>
+<Media Buying, connectedTo, A or B Testing for Ads>
+<Media Buying, connectedTo, Ad Platform Management>
+<Media Buying, connectedTo, Customer Acquisition Cost Analysis>
+<Media Buying, drives conversions, Display Advertising>
+<Performance Tracking, generates responses, Audience Segmentation for Ads>
+<Performance Tracking, partOf, Print Advertising>
+<Privacy Concerns in Ads, buys media, Customer Acquisition Cost Analysis>
+<Privacy Concerns in Ads, partOf, Budget Management>
+<Programmatic Advertising, connectedTo, Customer Acquisition Cost Analysis>
+<Programmatic Advertising, connectedTo, Radio Advertising>
+<Psychographic Targeting, connectedTo, Regulatory Compliance for Ads>
+<Radio Advertising, connectedTo, Performance Tracking>
+<Radio Advertising, partOf, Print Advertising>
+<Regulatory Compliance for Ads, connectedTo, Customer Acquisition Cost Analysis>
+<Regulatory Compliance for Ads, connectedTo, Display Advertising>
+<Regulatory Compliance for Ads, connectedTo, Programmatic Advertising>
+<Regulatory Compliance for Ads, measures ROAS, Direct Response Campaigns>
+<Search Engine Ads, connectedTo, Conversion Tracking>
+<Search Engine Ads, partOf, Budget Management>
+<Television Advertising, connectedTo, Customer Acquisition Cost Analysis>
+<Television Advertising, connectedTo, Media Buying>
+<Visual Design for Ads, connectedTo, Customer Acquisition Cost Analysis>
+<Visual Design for Ads, partOf, Print Advertising>
diff --git a/test/plantuml/graph_hard/plantuml_193.puml b/test/plantuml/graph_hard/plantuml_193.puml
new file mode 100644
index 0000000000000000000000000000000000000000..45163528b1aa0bbc39f8d3864534084ee024287e
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_193.puml
@@ -0,0 +1,74 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Cross_Chain Bridges" as Group0 #F3E5F5 {
+    cloud "Distributed Ledger Technology" as nest0_0 #EDE7F6
+    node "Governance Models for Blockchains" as nest0_1 #FFE0B2
+    node "Transaction Verification" as nest0_2 #FFE0B2
+}
+rectangle "Security Auditing for Blockchains" as Group1 #FFF3E0 {
+    component "Scalability Solutions" as nest1_0 #E3F2FD
+    rectangle "Consensus Mechanism Development" as nest1_1 #EDE7F6
+}
+component "Voting Systems on Blockchain" as N0 #EDE7F6
+frame "Private Blockchain Implementation" as N1 #E3F2FD
+artifact "Interoperability Solutions" as N2 #FFE0B2
+frame "Financial Asset Tokenization" as N3 #E3F2FD
+cloud "Healthcare Data Management" as N4 #EDE7F6
+usecase "Real Estate Tokenization" as N5 #EDE7F6
+node "Tokenomics Design" as N6 #FFE0B2
+usecase "Wallet Management" as N7 #E3F2FD
+folder "Sidechains and Layer 2 Solutions" as N8 #FFE0B2
+database "Gaming on Blockchain" as N9 #EDE7F6
+artifact "Regulatory Compliance for Blockchain" as N10 #EDE7F6
+folder "Decentralized Finance Protocols" as N11 #EDE7F6
+database "Blockchain Node Operation" as N12 #E3F2FD
+folder "Public Blockchain Deployment" as N13 #E3F2FD
+frame "Initial Coin Offerings" as N14 #E3F2FD
+folder "Cryptographic Hashing" as N15 #E3F2FD
+folder "Smart Contract Development" as N16 #FFE0B2
+circle " " as S0 #E3F2FD
+circle " " as S1 #E3F2FD
+circle " " as M0 #EDE7F6
+circle " " as M1 #FFE0B2
+N0 -[#64B5F6]-> N1
+N1 -[#FF9800]-> N2
+N2 ..[#64B5F6]..> N3
+N3 ..[#9575CD]..> N4
+N4 -[#000000]-> N5
+N5 -[#9575CD]-> N6 : tokenizes assets
+N6 ..[#64B5F6]..> N7
+N7 ..[#9575CD]..> N8
+N8 -[#000000]-> N9
+N9 ..[#000000]..> N10
+N10 -[#000000]-> N11
+N11 -[#000000]-> N12
+N12 ..[#FF9800]..> N13
+N13 ..[#FF9800]..> N14
+N14 ..[#FF9800]..> N15
+N15 -[#9575CD]-> N16
+nest0_0 ..[#FF9800]..> nest0_1
+nest0_1 ..[#64B5F6]..> nest0_2
+N10 -[#000000]-> nest0_0
+nest0_2 -[#9575CD]-> N9
+nest1_0 -[#000000]-> nest1_1
+N11 -[#FF9800]-> nest1_0
+nest1_1 ..[#000000]..> N6
+N7 -[#000000]-> S0
+S0 -[#9575CD]-> N16 : performs KYCs
+S0 -[#64B5F6]-> N15
+S0 -[#64B5F6]-> N14
+N10 -[#64B5F6]-> S1
+S1 -[#FF9800]-> N12
+S1 ..[#000000]..> N15
+S1 ..[#64B5F6]..> N14
+N3 -[#FF9800]-> M0
+N4 ..[#9575CD]..> M0
+N2 -[#FF9800]-> M0 : develops layer_2s
+N0 ..[#9575CD]..> M0
+M0 ..[#000000]..> N6
+N5 ..[#FF9800]..> M1
+N7 -[#9575CD]-> M1
+M1 -[#000000]-> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_193.txt b/test/plantuml/graph_hard/plantuml_193.txt
new file mode 100644
index 0000000000000000000000000000000000000000..364aa617a3a87f367eaf0c3b6abbe45c9dff068b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_193.txt
@@ -0,0 +1,40 @@
+<Blockchain Node Operation, connectedTo, Public Blockchain Deployment>
+<Consensus Mechanism Development, connectedTo, Tokenomics Design>
+<Consensus Mechanism Development, partOf, Security Auditing for Blockchains>
+<Cryptographic Hashing, connectedTo, Smart Contract Development>
+<Decentralized Finance Protocols, connectedTo, Blockchain Node Operation>
+<Decentralized Finance Protocols, connectedTo, Scalability Solutions>
+<Distributed Ledger Technology, connectedTo, Governance Models for Blockchains>
+<Distributed Ledger Technology, partOf, Cross_Chain Bridges>
+<Financial Asset Tokenization, connectedTo, Healthcare Data Management>
+<Financial Asset Tokenization, connectedTo, Tokenomics Design>
+<Gaming on Blockchain, connectedTo, Regulatory Compliance for Blockchain>
+<Governance Models for Blockchains, connectedTo, Transaction Verification>
+<Governance Models for Blockchains, partOf, Cross_Chain Bridges>
+<Healthcare Data Management, connectedTo, Real Estate Tokenization>
+<Healthcare Data Management, connectedTo, Tokenomics Design>
+<Initial Coin Offerings, connectedTo, Cryptographic Hashing>
+<Interoperability Solutions, connectedTo, Financial Asset Tokenization>
+<Interoperability Solutions, develops layer_2s, Tokenomics Design>
+<Private Blockchain Implementation, connectedTo, Interoperability Solutions>
+<Public Blockchain Deployment, connectedTo, Initial Coin Offerings>
+<Real Estate Tokenization, connectedTo, Gaming on Blockchain>
+<Real Estate Tokenization, tokenizes assets, Tokenomics Design>
+<Regulatory Compliance for Blockchain, connectedTo, Blockchain Node Operation>
+<Regulatory Compliance for Blockchain, connectedTo, Cryptographic Hashing>
+<Regulatory Compliance for Blockchain, connectedTo, Decentralized Finance Protocols>
+<Regulatory Compliance for Blockchain, connectedTo, Distributed Ledger Technology>
+<Regulatory Compliance for Blockchain, connectedTo, Initial Coin Offerings>
+<Scalability Solutions, connectedTo, Consensus Mechanism Development>
+<Scalability Solutions, partOf, Security Auditing for Blockchains>
+<Sidechains and Layer 2 Solutions, connectedTo, Gaming on Blockchain>
+<Tokenomics Design, connectedTo, Wallet Management>
+<Transaction Verification, connectedTo, Gaming on Blockchain>
+<Transaction Verification, partOf, Cross_Chain Bridges>
+<Voting Systems on Blockchain, connectedTo, Private Blockchain Implementation>
+<Voting Systems on Blockchain, connectedTo, Tokenomics Design>
+<Wallet Management, connectedTo, Cryptographic Hashing>
+<Wallet Management, connectedTo, Gaming on Blockchain>
+<Wallet Management, connectedTo, Initial Coin Offerings>
+<Wallet Management, connectedTo, Sidechains and Layer 2 Solutions>
+<Wallet Management, performs KYCs, Smart Contract Development>
diff --git a/test/plantuml/graph_hard/plantuml_194.puml b/test/plantuml/graph_hard/plantuml_194.puml
new file mode 100644
index 0000000000000000000000000000000000000000..6c7d964070d1f6e2cba6a4f7563e3809476b1794
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_194.puml
@@ -0,0 +1,68 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Decentralized Network Design" as Group0 #E0F2F1 {
+    node "Security Auditing for Blockchains" as nest0_0 #FFCCBC
+    cloud "Enterprise Blockchain Solutions" as nest0_1 #E8EAF6
+    usecase "Healthcare Data Management" as nest0_2 #E8EAF6
+}
+rectangle "Mining Operations" as Group1 #FFF3E0 {
+    database "Non_Fungible Token Creation" as nest1_0 #FFCCBC
+    database "Private Blockchain Implementation" as nest1_1 #E8EAF6
+    rectangle "Cross_Chain Bridges" as nest1_2 #EFEBE9
+    frame "Digital Identity Management" as nest1_3 #EFEBE9
+}
+node "Sharding Implementation" as N0 #EFEBE9
+artifact "Identity Verification on Blockchain" as N1 #FFCCBC
+node "Financial Asset Tokenization" as N2 #E8EAF6
+folder "Regulatory Compliance for Blockchain" as N3 #FFCCBC
+artifact "Zero_Knowledge Proofs" as N4 #FFCCBC
+frame "Tokenomics Design" as N5 #EFEBE9
+folder "Wallet Management" as N6 #EFEBE9
+folder "Governance Models for Blockchains" as N7 #E8EAF6
+node "Sidechains and Layer 2 Solutions" as N8 #E8EAF6
+cloud "Smart Contract Development" as N9 #E8EAF6
+rectangle "Supply Chain Traceability" as N10 #FFCCBC
+node "Security Token Offerings" as N11 #E8EAF6
+frame "Blockchain Node Operation" as N12 #EFEBE9
+cloud "Real Estate Tokenization" as N13 #E8EAF6
+frame "Intellectual Property Management" as N14 #EFEBE9
+circle " " as S1 #EFEBE9
+circle " " as S2 #E8EAF6
+circle " " as M1 #E8EAF6
+N0 ..[#A1887F]..> N1
+N1 -[#000000]-> N2
+N2 -[#FF5722]-> N3
+N3 ..[#FF5722]..> N4
+N4 ..[#A1887F]..> N5 : secures health data
+N5 -[#7986CB]-> N6
+N6 ..[#7986CB]..> N7
+N7 ..[#7986CB]..> N8
+N8 ..[#FF5722]..> N9
+N9 -[#000000]-> N10
+N10 ..[#FF5722]..> N11
+N11 ..[#7986CB]..> N12
+N12 ..[#7986CB]..> N13
+N13 -[#7986CB]-> N14
+nest0_0 ..[#7986CB]..> nest0_1
+nest0_1 -[#A1887F]-> nest0_2
+N5 -[#A1887F]-> nest0_0
+nest0_2 ..[#FF5722]..> N13
+nest1_0 ..[#000000]..> nest1_1 : creates bridges
+nest1_1 ..[#000000]..> nest1_2 : ensures compliance
+nest1_2 ..[#A1887F]..> nest1_3
+N2 ..[#FF5722]..> nest1_0
+nest1_3 ..[#000000]..> N11
+N11 -[#7986CB]-> S1
+S1 -[#000000]-> N13
+S1 -[#000000]-> N14
+N8 -[#000000]-> S2
+S2 ..[#FF5722]..> N14
+S2 -[#000000]-> N10
+S2 ..[#FF5722]..> N13
+N7 -[#7986CB]-> M1
+N8 ..[#000000]..> M1
+N5 ..[#7986CB]..> M1
+M1 -[#7986CB]-> N12
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_194.txt b/test/plantuml/graph_hard/plantuml_194.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5a05b8a3134bf14ec90b40c5f3cfcf554f0151b8
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_194.txt
@@ -0,0 +1,38 @@
+<Blockchain Node Operation, connectedTo, Real Estate Tokenization>
+<Cross_Chain Bridges, connectedTo, Digital Identity Management>
+<Cross_Chain Bridges, partOf, Mining Operations>
+<Digital Identity Management, connectedTo, Security Token Offerings>
+<Digital Identity Management, partOf, Mining Operations>
+<Enterprise Blockchain Solutions, connectedTo, Healthcare Data Management>
+<Enterprise Blockchain Solutions, partOf, Decentralized Network Design>
+<Financial Asset Tokenization, connectedTo, Non_Fungible Token Creation>
+<Financial Asset Tokenization, connectedTo, Regulatory Compliance for Blockchain>
+<Governance Models for Blockchains, connectedTo, Blockchain Node Operation>
+<Governance Models for Blockchains, connectedTo, Sidechains and Layer 2 Solutions>
+<Healthcare Data Management, connectedTo, Real Estate Tokenization>
+<Healthcare Data Management, partOf, Decentralized Network Design>
+<Identity Verification on Blockchain, connectedTo, Financial Asset Tokenization>
+<Non_Fungible Token Creation, creates bridges, Private Blockchain Implementation>
+<Non_Fungible Token Creation, partOf, Mining Operations>
+<Private Blockchain Implementation, ensures compliance, Cross_Chain Bridges>
+<Private Blockchain Implementation, partOf, Mining Operations>
+<Real Estate Tokenization, connectedTo, Intellectual Property Management>
+<Regulatory Compliance for Blockchain, connectedTo, Zero_Knowledge Proofs>
+<Security Auditing for Blockchains, connectedTo, Enterprise Blockchain Solutions>
+<Security Auditing for Blockchains, partOf, Decentralized Network Design>
+<Security Token Offerings, connectedTo, Blockchain Node Operation>
+<Security Token Offerings, connectedTo, Intellectual Property Management>
+<Security Token Offerings, connectedTo, Real Estate Tokenization>
+<Sharding Implementation, connectedTo, Identity Verification on Blockchain>
+<Sidechains and Layer 2 Solutions, connectedTo, Blockchain Node Operation>
+<Sidechains and Layer 2 Solutions, connectedTo, Intellectual Property Management>
+<Sidechains and Layer 2 Solutions, connectedTo, Real Estate Tokenization>
+<Sidechains and Layer 2 Solutions, connectedTo, Smart Contract Development>
+<Sidechains and Layer 2 Solutions, connectedTo, Supply Chain Traceability>
+<Smart Contract Development, connectedTo, Supply Chain Traceability>
+<Supply Chain Traceability, connectedTo, Security Token Offerings>
+<Tokenomics Design, connectedTo, Blockchain Node Operation>
+<Tokenomics Design, connectedTo, Security Auditing for Blockchains>
+<Tokenomics Design, connectedTo, Wallet Management>
+<Wallet Management, connectedTo, Governance Models for Blockchains>
+<Zero_Knowledge Proofs, secures health data, Tokenomics Design>
diff --git a/test/plantuml/graph_hard/plantuml_195.puml b/test/plantuml/graph_hard/plantuml_195.puml
new file mode 100644
index 0000000000000000000000000000000000000000..15501101dd64555e5571f00ea3529a7b43f0b507
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_195.puml
@@ -0,0 +1,62 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Initial Coin Offerings" as Group0 #EDE7F6 {
+    folder "Financial Asset Tokenization" as nest0_0 #E0F2F1
+    component "Cross_Chain Bridges" as nest0_1 #BBDEFB
+    frame "Decentralized Applications Development" as nest0_2 #BBDEFB
+    node "Consortium Blockchain Setup" as nest0_3 #E0F2F1
+}
+rectangle "Mining Operations" as Group1 #ECEFF1 {
+    frame "Cross_Border Payments" as nest1_0 #BBDEFB
+    frame "Non_Fungible Token Creation" as nest1_1 #E0F2F1
+}
+node "Governance Models for Blockchains" as N0 #BBDEFB
+cloud "Gaming on Blockchain" as N1 #BBDEFB
+frame "Sharding Implementation" as N2 #BBDEFB
+database "Sidechains and Layer 2 Solutions" as N3 #E0F2F1
+usecase "Decentralized Network Design" as N4 #E0F2F1
+artifact "Oracles Integration" as N5 #E0F2F1
+cloud "Decentralized Finance Protocols" as N6 #E6EE9C
+frame "Transaction Verification" as N7 #E6EE9C
+frame "Supply Chain Traceability" as N8 #E6EE9C
+cloud "Interoperability Solutions" as N9 #E6EE9C
+cloud "Voting Systems on Blockchain" as N10 #BBDEFB
+database "Scalability Solutions" as N11 #E0F2F1
+folder "Public Blockchain Deployment" as N12 #BBDEFB
+folder "Private Blockchain Implementation" as N13 #E0F2F1
+circle " " as S0 #E0F2F1
+circle " " as S1 #E0F2F1
+N0 -[#26A69A]-> N1
+N1 -[#000000]-> N2
+N2 ..[#CDDC39]..> N3
+N3 ..[#CDDC39]..> N4
+N4 -[#CDDC39]-> N5
+N5 ..[#CDDC39]..> N6
+N6 -[#26A69A]-> N7
+N7 -[#26A69A]-> N8
+N8 -[#26A69A]-> N9
+N9 ..[#CDDC39]..> N10
+N10 ..[#2196F3]..> N11
+N11 ..[#2196F3]..> N12
+N12 ..[#000000]..> N13 : manages real estate
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 -[#000000]-> nest0_2
+nest0_2 -[#CDDC39]-> nest0_3
+N6 ..[#2196F3]..> nest0_0
+nest0_3 -[#26A69A]-> N7
+nest1_0 -[#2196F3]-> nest1_1
+N1 ..[#26A69A]..> nest1_0
+nest1_1 ..[#2196F3]..> N7 : verifies transactions
+N0 -[#000000]-> S0
+S0 -[#CDDC39]-> N3
+S0 -[#26A69A]-> N10
+S0 -[#CDDC39]-> N7 : operates nodes
+N6 ..[#CDDC39]..> S1
+S1 ..[#CDDC39]..> N9
+S1 ..[#26A69A]..> N13
+S1 -[#CDDC39]-> N10
+N10 ..[#2196F3]..> N7
+N11 ..[#2196F3]..> nest0_0
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_195.txt b/test/plantuml/graph_hard/plantuml_195.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f863944a9a62ad9be6ad66e9495363355f49dea7
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_195.txt
@@ -0,0 +1,35 @@
+<Consortium Blockchain Setup, connectedTo, Transaction Verification>
+<Consortium Blockchain Setup, partOf, Initial Coin Offerings>
+<Cross_Border Payments, connectedTo, Non_Fungible Token Creation>
+<Cross_Border Payments, partOf, Mining Operations>
+<Cross_Chain Bridges, connectedTo, Decentralized Applications Development>
+<Cross_Chain Bridges, partOf, Initial Coin Offerings>
+<Decentralized Applications Development, connectedTo, Consortium Blockchain Setup>
+<Decentralized Applications Development, partOf, Initial Coin Offerings>
+<Decentralized Finance Protocols, connectedTo, Financial Asset Tokenization>
+<Decentralized Finance Protocols, connectedTo, Interoperability Solutions>
+<Decentralized Finance Protocols, connectedTo, Private Blockchain Implementation>
+<Decentralized Finance Protocols, connectedTo, Transaction Verification>
+<Decentralized Finance Protocols, connectedTo, Voting Systems on Blockchain>
+<Decentralized Network Design, connectedTo, Oracles Integration>
+<Financial Asset Tokenization, connectedTo, Cross_Chain Bridges>
+<Financial Asset Tokenization, partOf, Initial Coin Offerings>
+<Gaming on Blockchain, connectedTo, Cross_Border Payments>
+<Gaming on Blockchain, connectedTo, Sharding Implementation>
+<Governance Models for Blockchains, connectedTo, Gaming on Blockchain>
+<Governance Models for Blockchains, connectedTo, Sidechains and Layer 2 Solutions>
+<Governance Models for Blockchains, connectedTo, Voting Systems on Blockchain>
+<Governance Models for Blockchains, operates nodes, Transaction Verification>
+<Interoperability Solutions, connectedTo, Voting Systems on Blockchain>
+<Non_Fungible Token Creation, partOf, Mining Operations>
+<Non_Fungible Token Creation, verifies transactions, Transaction Verification>
+<Oracles Integration, connectedTo, Decentralized Finance Protocols>
+<Public Blockchain Deployment, manages real estate, Private Blockchain Implementation>
+<Scalability Solutions, connectedTo, Financial Asset Tokenization>
+<Scalability Solutions, connectedTo, Public Blockchain Deployment>
+<Sharding Implementation, connectedTo, Sidechains and Layer 2 Solutions>
+<Sidechains and Layer 2 Solutions, connectedTo, Decentralized Network Design>
+<Supply Chain Traceability, connectedTo, Interoperability Solutions>
+<Transaction Verification, connectedTo, Supply Chain Traceability>
+<Voting Systems on Blockchain, connectedTo, Scalability Solutions>
+<Voting Systems on Blockchain, connectedTo, Transaction Verification>
diff --git a/test/plantuml/graph_hard/plantuml_196.puml b/test/plantuml/graph_hard/plantuml_196.puml
new file mode 100644
index 0000000000000000000000000000000000000000..003b0ff395014305e8e58797a5aff870170cfe4d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_196.puml
@@ -0,0 +1,76 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Cross_chain Swaps" as Group0 #F1F8E9 {
+    frame "Community Building" as nest0_0 #FFE0B2
+    component "Wallet Development" as nest0_1 #FFF9C4
+    node "Key Management" as nest0_2 #FFF9C4
+    frame "Decentralized Exchange Operation" as nest0_3 #FFF9C4
+}
+rectangle "Interoperability Solutions" as Group1 #E3F2FD {
+    folder "Custodial Services" as nest1_0 #FFE0B2
+    artifact "KYC or AML Procedures" as nest1_1 #FFE0B2
+    frame "Market Analysis" as nest1_2 #FFE0B2
+}
+database "Regulatory Compliance" as N0 #FFF9C4
+folder "Coin Creation" as N1 #FFE0B2
+database "Cryptocurrency Trading Bots" as N2 #C8E6C9
+folder "Fiat On or Off Ramps" as N3 #FFF9C4
+cloud "Venture Capital Funding" as N4 #FFF9C4
+node "Cryptocurrency Education" as N5 #C8E6C9
+folder "Staking" as N6 #FFF9C4
+component "Blockchain Integration" as N7 #C8E6C9
+database "Liquidity Provision" as N8 #C8E6C9
+folder "Hot Wallet Security" as N9 #FFF9C4
+usecase "Yield Farming" as N10 #FFE0B2
+folder "Legal Advisory for Crypto" as N11 #FFE0B2
+cloud "Blockchain Explorers" as N12 #FFE0B2
+node "Decentralized Autonomous Organizations" as N13 #C8E6C9
+folder "GameFi Development" as N14 #C8E6C9
+circle " " as S0 #C8E6C9
+circle " " as S1 #FFE0B2
+circle " " as M0 #C8E6C9
+circle " " as M1 #C8E6C9
+N0 ..[#4CAF50]..> N1
+N1 -[#000000]-> N2
+N2 ..[#000000]..> N3
+N3 ..[#FFEB3B]..> N4
+N4 ..[#4CAF50]..> N5
+N5 -[#FFEB3B]-> N6
+N6 -[#000000]-> N7
+N7 -[#FF9800]-> N8
+N8 ..[#4CAF50]..> N9
+N9 -[#000000]-> N10
+N10 ..[#FFEB3B]..> N11
+N11 ..[#4CAF50]..> N12
+N12 ..[#4CAF50]..> N13
+N13 -[#FF9800]-> N14
+nest0_0 -[#000000]-> nest0_1
+nest0_1 ..[#000000]..> nest0_2
+nest0_2 -[#000000]-> nest0_3
+N4 -[#FF9800]-> nest0_0
+nest0_3 -[#FFEB3B]-> N13
+nest1_0 -[#4CAF50]-> nest1_1
+nest1_1 ..[#FF9800]..> nest1_2
+N1 -[#FFEB3B]-> nest1_0
+nest1_2 -[#4CAF50]-> N1
+N4 ..[#4CAF50]..> S0
+S0 -[#4CAF50]-> N14
+S0 -[#000000]-> N12
+N4 ..[#000000]..> S1
+S1 ..[#FF9800]..> N11
+S1 ..[#FF9800]..> N12
+S1 -[#FF9800]-> N9
+S1 -[#FFEB3B]-> N10
+N1 ..[#4CAF50]..> M0
+N0 ..[#FF9800]..> M0
+N4 ..[#FF9800]..> M0
+N2 -[#000000]-> M0
+M0 -[#4CAF50]-> N6
+N0 -[#4CAF50]-> M1
+N1 ..[#FF9800]..> M1
+N5 -[#FF9800]-> M1
+N4 -[#4CAF50]-> M1
+M1 ..[#4CAF50]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_196.txt b/test/plantuml/graph_hard/plantuml_196.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a2bd31094cdc34369fcddb45e3e3cf3a84709bd6
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_196.txt
@@ -0,0 +1,43 @@
+<Blockchain Explorers, connectedTo, Decentralized Autonomous Organizations>
+<Blockchain Integration, connectedTo, Liquidity Provision>
+<Coin Creation, connectedTo, Cryptocurrency Trading Bots>
+<Coin Creation, connectedTo, Custodial Services>
+<Coin Creation, connectedTo, Liquidity Provision>
+<Coin Creation, connectedTo, Staking>
+<Community Building, connectedTo, Wallet Development>
+<Community Building, partOf, Cross_chain Swaps>
+<Cryptocurrency Education, connectedTo, Liquidity Provision>
+<Cryptocurrency Education, connectedTo, Staking>
+<Cryptocurrency Trading Bots, connectedTo, Fiat On or Off Ramps>
+<Cryptocurrency Trading Bots, connectedTo, Staking>
+<Custodial Services, connectedTo, KYC or AML Procedures>
+<Custodial Services, partOf, Interoperability Solutions>
+<Decentralized Autonomous Organizations, connectedTo, GameFi Development>
+<Decentralized Exchange Operation, connectedTo, Decentralized Autonomous Organizations>
+<Decentralized Exchange Operation, partOf, Cross_chain Swaps>
+<Fiat On or Off Ramps, connectedTo, Venture Capital Funding>
+<Hot Wallet Security, connectedTo, Yield Farming>
+<KYC or AML Procedures, connectedTo, Market Analysis>
+<KYC or AML Procedures, partOf, Interoperability Solutions>
+<Key Management, connectedTo, Decentralized Exchange Operation>
+<Key Management, partOf, Cross_chain Swaps>
+<Legal Advisory for Crypto, connectedTo, Blockchain Explorers>
+<Liquidity Provision, connectedTo, Hot Wallet Security>
+<Market Analysis, connectedTo, Coin Creation>
+<Market Analysis, partOf, Interoperability Solutions>
+<Regulatory Compliance, connectedTo, Coin Creation>
+<Regulatory Compliance, connectedTo, Liquidity Provision>
+<Regulatory Compliance, connectedTo, Staking>
+<Staking, connectedTo, Blockchain Integration>
+<Venture Capital Funding, connectedTo, Blockchain Explorers>
+<Venture Capital Funding, connectedTo, Community Building>
+<Venture Capital Funding, connectedTo, Cryptocurrency Education>
+<Venture Capital Funding, connectedTo, GameFi Development>
+<Venture Capital Funding, connectedTo, Hot Wallet Security>
+<Venture Capital Funding, connectedTo, Legal Advisory for Crypto>
+<Venture Capital Funding, connectedTo, Liquidity Provision>
+<Venture Capital Funding, connectedTo, Staking>
+<Venture Capital Funding, connectedTo, Yield Farming>
+<Wallet Development, connectedTo, Key Management>
+<Wallet Development, partOf, Cross_chain Swaps>
+<Yield Farming, connectedTo, Legal Advisory for Crypto>
diff --git a/test/plantuml/graph_hard/plantuml_197.puml b/test/plantuml/graph_hard/plantuml_197.puml
new file mode 100644
index 0000000000000000000000000000000000000000..d2e6d83ae667c7d94787637d039d6edc06b42073
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_197.puml
@@ -0,0 +1,74 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Custodial Services" as Group0 #E3F2FD {
+    rectangle "Decentralized Autonomous Organizations" as nest0_0 #FFF3E0
+    usecase "Hot Wallet Security" as nest0_1 #FFF3E0
+    folder "Mining Algorithm Design" as nest0_2 #D1C4E9
+    usecase "Staking" as nest0_3 #D1C4E9
+}
+rectangle "Liquidity Provision" as Group1 #FBE9E7 {
+    frame "Fraud Prevention" as nest1_0 #D1C4E9
+    frame "Transaction Processing" as nest1_1 #FFF3E0
+    node "Key Management" as nest1_2 #FFF3E0
+    database "NFT Marketplace Development" as nest1_3 #D1C4E9
+}
+folder "Cryptocurrency Trading Bots" as N0 #D1C4E9
+cloud "Fiat On or Off Ramps" as N1 #D1C4E9
+database "Cross_chain Swaps" as N2 #FFF3E0
+folder "Decentralized Exchange Operation" as N3 #FFF3E0
+folder "Yield Farming" as N4 #E1BEE7
+component "Regulatory Compliance" as N5 #D1C4E9
+node "Smart Contract Auditing" as N6 #D1C4E9
+node "Stablecoin Design" as N7 #E1BEE7
+usecase "Coin Creation" as N8 #FFF3E0
+folder "Wallet Development" as N9 #FFF3E0
+rectangle "Market Analysis" as N10 #D1C4E9
+node "Venture Capital Funding" as N11 #E1BEE7
+component "GameFi Development" as N12 #E1BEE7
+folder "Lending and Borrowing Protocols" as N13 #FFF3E0
+rectangle "Web3 Integration" as N14 #E1BEE7
+rectangle "Airdrop Campaigns" as N15 #FFF3E0
+circle " " as S0 #FFF3E0
+circle " " as S1 #FFF3E0
+circle " " as M0 #D1C4E9
+circle " " as M1 #D1C4E9
+N0 ..[#9C27B0]..> N1
+N1 ..[#7E57C2]..> N2
+N2 -[#FFA726]-> N3
+N3 ..[#FFA726]..> N4
+N4 -[#000000]-> N5
+N5 ..[#FFA726]..> N6
+N6 ..[#000000]..> N7
+N7 -[#9C27B0]-> N8
+N8 -[#FFA726]-> N9
+N9 ..[#9C27B0]..> N10
+N10 -[#9C27B0]-> N11
+N11 -[#9C27B0]-> N12 : audits smart contracts
+N12 -[#7E57C2]-> N13
+N13 -[#000000]-> N14
+N14 -[#7E57C2]-> N15
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 -[#7E57C2]-> nest0_2
+nest0_2 ..[#FFA726]..> nest0_3
+N6 ..[#FFA726]..> nest0_0
+nest0_3 ..[#7E57C2]..> N5
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 ..[#FFA726]..> nest1_2
+nest1_2 ..[#9C27B0]..> nest1_3
+N5 ..[#9C27B0]..> nest1_0
+nest1_3 ..[#000000]..> N6
+N9 ..[#7E57C2]..> S0
+S0 ..[#7E57C2]..> N14
+S0 ..[#FFA726]..> N13
+N0 ..[#9C27B0]..> S1
+S1 ..[#9C27B0]..> N3
+S1 ..[#9C27B0]..> N15
+N4 ..[#7E57C2]..> M0
+N1 ..[#000000]..> M0
+M0 ..[#9C27B0]..> N6
+N6 -[#7E57C2]-> M1
+N0 -[#7E57C2]-> M1
+M1 ..[#FFA726]..> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_197.txt b/test/plantuml/graph_hard/plantuml_197.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e3b16cfc2db693136f083d8bd2bb1ca9a2d26d4f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_197.txt
@@ -0,0 +1,41 @@
+<Coin Creation, connectedTo, Wallet Development>
+<Cross_chain Swaps, connectedTo, Decentralized Exchange Operation>
+<Cryptocurrency Trading Bots, connectedTo, Airdrop Campaigns>
+<Cryptocurrency Trading Bots, connectedTo, Decentralized Exchange Operation>
+<Cryptocurrency Trading Bots, connectedTo, Fiat On or Off Ramps>
+<Cryptocurrency Trading Bots, connectedTo, Wallet Development>
+<Decentralized Autonomous Organizations, connectedTo, Hot Wallet Security>
+<Decentralized Autonomous Organizations, partOf, Custodial Services>
+<Decentralized Exchange Operation, connectedTo, Yield Farming>
+<Fiat On or Off Ramps, connectedTo, Cross_chain Swaps>
+<Fiat On or Off Ramps, connectedTo, Smart Contract Auditing>
+<Fraud Prevention, connectedTo, Transaction Processing>
+<Fraud Prevention, partOf, Liquidity Provision>
+<GameFi Development, connectedTo, Lending and Borrowing Protocols>
+<Hot Wallet Security, connectedTo, Mining Algorithm Design>
+<Hot Wallet Security, partOf, Custodial Services>
+<Key Management, connectedTo, NFT Marketplace Development>
+<Key Management, partOf, Liquidity Provision>
+<Lending and Borrowing Protocols, connectedTo, Web3 Integration>
+<Market Analysis, connectedTo, Venture Capital Funding>
+<Mining Algorithm Design, connectedTo, Staking>
+<Mining Algorithm Design, partOf, Custodial Services>
+<NFT Marketplace Development, connectedTo, Smart Contract Auditing>
+<NFT Marketplace Development, partOf, Liquidity Provision>
+<Regulatory Compliance, connectedTo, Fraud Prevention>
+<Regulatory Compliance, connectedTo, Smart Contract Auditing>
+<Smart Contract Auditing, connectedTo, Decentralized Autonomous Organizations>
+<Smart Contract Auditing, connectedTo, Stablecoin Design>
+<Smart Contract Auditing, connectedTo, Wallet Development>
+<Stablecoin Design, connectedTo, Coin Creation>
+<Staking, connectedTo, Regulatory Compliance>
+<Staking, partOf, Custodial Services>
+<Transaction Processing, connectedTo, Key Management>
+<Transaction Processing, partOf, Liquidity Provision>
+<Venture Capital Funding, audits smart contracts, GameFi Development>
+<Wallet Development, connectedTo, Lending and Borrowing Protocols>
+<Wallet Development, connectedTo, Market Analysis>
+<Wallet Development, connectedTo, Web3 Integration>
+<Web3 Integration, connectedTo, Airdrop Campaigns>
+<Yield Farming, connectedTo, Regulatory Compliance>
+<Yield Farming, connectedTo, Smart Contract Auditing>
diff --git a/test/plantuml/graph_hard/plantuml_198.puml b/test/plantuml/graph_hard/plantuml_198.puml
new file mode 100644
index 0000000000000000000000000000000000000000..5f00c2dc8f1e0fe52b67aae50b068ad41121f69a
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_198.puml
@@ -0,0 +1,55 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Fiat On or Off Ramps" as Group0 #E3F2FD {
+    folder "Venture Capital Funding" as nest0_0 #ECEFF1
+    database "Fraud Prevention" as nest0_1 #FFF3E0
+}
+rectangle "Decentralized Autonomous Organizations" as Group1 #E0F2F1 {
+    rectangle "Initial Exchange Offering" as nest1_0 #FFF3E0
+    node "Mining Algorithm Design" as nest1_1 #F5F5DC
+}
+folder "Security Audits" as N0 #FFF3E0
+component "Airdrop Campaigns" as N1 #ECEFF1
+cloud "Custodial Services" as N2 #F5F5DC
+rectangle "Yield Farming" as N3 #FFF3E0
+folder "Transaction Processing" as N4 #FFF3E0
+node "Lending and Borrowing Protocols" as N5 #F5F5DC
+cloud "Web3 Integration" as N6 #ECEFF1
+folder "NFT Marketplace Development" as N7 #ECEFF1
+rectangle "Cross_chain Swaps" as N8 #FFF3E0
+folder "Market Analysis" as N9 #ECEFF1
+component "Staking" as N10 #FFF3E0
+usecase "Liquidity Provision" as N11 #FFF3E0
+circle " " as S0 #FFF3E0
+circle " " as S1 #FFF3E0
+circle " " as M2 #ECEFF1
+N0 -[#BCB88A]-> N1
+N1 -[#BCB88A]-> N2
+N2 -[#90A4AE]-> N3
+N3 ..[#90A4AE]..> N4 : ensures interoperability
+N4 -[#BCB88A]-> N5
+N5 -[#000000]-> N6
+N6 ..[#FFA726]..> N7
+N7 -[#000000]-> N8
+N8 -[#90A4AE]-> N9
+N9 -[#BCB88A]-> N10
+N10 ..[#BCB88A]..> N11
+nest0_0 -[#90A4AE]-> nest0_1
+N8 ..[#FFA726]..> nest0_0 : integrates fiat
+nest0_1 -[#FFA726]-> N5
+nest1_0 -[#FFA726]-> nest1_1
+N7 -[#90A4AE]-> nest1_0
+nest1_1 -[#FFA726]-> N1
+N3 ..[#BCB88A]..> S0
+S0 ..[#FFA726]..> N8
+S0 -[#000000]-> N11
+N2 ..[#90A4AE]..> S1
+S1 -[#FFA726]-> N8
+S1 ..[#BCB88A]..> N6
+N0 -[#90A4AE]-> M2 : lends funds
+N2 -[#90A4AE]-> M2
+N1 -[#FFA726]-> M2
+M2 -[#BCB88A]-> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_198.txt b/test/plantuml/graph_hard/plantuml_198.txt
new file mode 100644
index 0000000000000000000000000000000000000000..22ff1199f291d3c0f3dc9b8dc00e886a7a27e1dc
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_198.txt
@@ -0,0 +1,28 @@
+<Airdrop Campaigns, connectedTo, Custodial Services>
+<Airdrop Campaigns, connectedTo, Transaction Processing>
+<Cross_chain Swaps, connectedTo, Market Analysis>
+<Cross_chain Swaps, integrates fiat, Venture Capital Funding>
+<Custodial Services, connectedTo, Cross_chain Swaps>
+<Custodial Services, connectedTo, Transaction Processing>
+<Custodial Services, connectedTo, Web3 Integration>
+<Custodial Services, connectedTo, Yield Farming>
+<Fraud Prevention, connectedTo, Lending and Borrowing Protocols>
+<Fraud Prevention, partOf, Fiat On or Off Ramps>
+<Initial Exchange Offering, connectedTo, Mining Algorithm Design>
+<Initial Exchange Offering, partOf, Decentralized Autonomous Organizations>
+<Lending and Borrowing Protocols, connectedTo, Web3 Integration>
+<Market Analysis, connectedTo, Staking>
+<Mining Algorithm Design, connectedTo, Airdrop Campaigns>
+<Mining Algorithm Design, partOf, Decentralized Autonomous Organizations>
+<NFT Marketplace Development, connectedTo, Cross_chain Swaps>
+<NFT Marketplace Development, connectedTo, Initial Exchange Offering>
+<Security Audits, connectedTo, Airdrop Campaigns>
+<Security Audits, lends funds, Transaction Processing>
+<Staking, connectedTo, Liquidity Provision>
+<Transaction Processing, connectedTo, Lending and Borrowing Protocols>
+<Venture Capital Funding, connectedTo, Fraud Prevention>
+<Venture Capital Funding, partOf, Fiat On or Off Ramps>
+<Web3 Integration, connectedTo, NFT Marketplace Development>
+<Yield Farming, connectedTo, Cross_chain Swaps>
+<Yield Farming, connectedTo, Liquidity Provision>
+<Yield Farming, ensures interoperability, Transaction Processing>
diff --git a/test/plantuml/graph_hard/plantuml_199.puml b/test/plantuml/graph_hard/plantuml_199.puml
new file mode 100644
index 0000000000000000000000000000000000000000..d421fe6b5b6d6551165f3a448e7788c966a0fb49
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_199.puml
@@ -0,0 +1,55 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Success Fee Structures" as Group0 #FFF3E0 {
+    usecase "Financial Projection Analysis" as nest0_0 #FFECB3
+    artifact "Reward Tier Design" as nest0_1 #DFE7EB
+    rectangle "Tax Implications of Crowdfunding" as nest0_2 #FFECB3
+    frame "Post_Campaign Updates" as nest0_3 #FFECB3
+}
+rectangle "Payment Processing" as Group1 #E0F2F1 {
+    artifact "Legal Compliance" as nest1_0 #DFE7EB
+    component "Community Building" as nest1_1 #DFE7EB
+}
+usecase "Platform Fee Management" as N0 #FFECB3
+frame "Reward_Based Crowdfunding" as N1 #FFECB3
+frame "Manufacturing Planning" as N2 #FFECB3
+database "Platform Selection" as N3 #EFE6FF
+component "Email List Building" as N4 #FFECB3
+folder "Campaign Creation" as N5 #DFE7EB
+rectangle "Backer Communication" as N6 #DFE7EB
+folder "Video Production for Campaigns" as N7 #EFE6FF
+rectangle "Logistics for Rewards" as N8 #DFE7EB
+artifact "Securities Regulations Adherence" as N9 #EFE6FF
+folder "Goal Setting" as N10 #DFE7EB
+circle " " as M0 #FFECB3
+N0 -[#000000]-> N1
+N1 -[#C2B2F0]-> N2
+N2 ..[#000000]..> N3
+N3 -[#000000]-> N4
+N4 -[#C2B2F0]-> N5
+N5 ..[#000000]..> N6 : produces content
+N6 -[#B0C5CD]-> N7
+N7 -[#C2B2F0]-> N8
+N8 -[#C2B2F0]-> N9
+N9 ..[#FFC107]..> N10
+nest0_0 ..[#FFC107]..> nest0_1 : processes payments
+nest0_1 ..[#000000]..> nest0_2 : communicates updates
+nest0_2 ..[#FFC107]..> nest0_3
+N9 ..[#000000]..> nest0_0
+nest0_3 ..[#B0C5CD]..> N2
+nest1_0 -[#B0C5CD]-> nest1_1
+N4 -[#000000]-> nest1_0
+nest1_1 -[#000000]-> N5
+N1 ..[#FFC107]..> M0 : funds real estate
+N4 ..[#C2B2F0]..> M0
+M0 ..[#FFC107]..> N8
+N5 -[#B0C5CD]-> nest1_1
+N7 ..[#FFC107]..> N9
+nest1_0 -[#FFC107]-> nest0_2
+N3 ..[#000000]..> N5
+N3 ..[#C2B2F0]..> nest0_3
+N2 -[#B0C5CD]-> N7
+N8 ..[#FFC107]..> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_199.txt b/test/plantuml/graph_hard/plantuml_199.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2f4a1d4d3a9cf2b6677c5e6d499e9e3fbb6e23ec
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_199.txt
@@ -0,0 +1,33 @@
+<Backer Communication, connectedTo, Video Production for Campaigns>
+<Campaign Creation, connectedTo, Community Building>
+<Campaign Creation, produces content, Backer Communication>
+<Community Building, connectedTo, Campaign Creation>
+<Community Building, partOf, Payment Processing>
+<Email List Building, connectedTo, Campaign Creation>
+<Email List Building, connectedTo, Legal Compliance>
+<Email List Building, connectedTo, Logistics for Rewards>
+<Financial Projection Analysis, partOf, Success Fee Structures>
+<Financial Projection Analysis, processes payments, Reward Tier Design>
+<Legal Compliance, connectedTo, Community Building>
+<Legal Compliance, connectedTo, Tax Implications of Crowdfunding>
+<Legal Compliance, partOf, Payment Processing>
+<Logistics for Rewards, connectedTo, Platform Selection>
+<Logistics for Rewards, connectedTo, Securities Regulations Adherence>
+<Manufacturing Planning, connectedTo, Platform Selection>
+<Manufacturing Planning, connectedTo, Video Production for Campaigns>
+<Platform Fee Management, connectedTo, Reward_Based Crowdfunding>
+<Platform Selection, connectedTo, Campaign Creation>
+<Platform Selection, connectedTo, Email List Building>
+<Platform Selection, connectedTo, Post_Campaign Updates>
+<Post_Campaign Updates, connectedTo, Manufacturing Planning>
+<Post_Campaign Updates, partOf, Success Fee Structures>
+<Reward Tier Design, communicates updates, Tax Implications of Crowdfunding>
+<Reward Tier Design, partOf, Success Fee Structures>
+<Reward_Based Crowdfunding, connectedTo, Manufacturing Planning>
+<Reward_Based Crowdfunding, funds real estate, Logistics for Rewards>
+<Securities Regulations Adherence, connectedTo, Financial Projection Analysis>
+<Securities Regulations Adherence, connectedTo, Goal Setting>
+<Tax Implications of Crowdfunding, connectedTo, Post_Campaign Updates>
+<Tax Implications of Crowdfunding, partOf, Success Fee Structures>
+<Video Production for Campaigns, connectedTo, Logistics for Rewards>
+<Video Production for Campaigns, connectedTo, Securities Regulations Adherence>
diff --git a/test/plantuml/graph_hard/plantuml_2.puml b/test/plantuml/graph_hard/plantuml_2.puml
new file mode 100644
index 0000000000000000000000000000000000000000..560fa439db26d787a1aab7a3d8ad1a6a5c476a74
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_2.puml
@@ -0,0 +1,82 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Financial Advisory" as Group0 #FCE4EC {
+    frame "Risk Assessment" as nest0_0 #D1C4E9
+    component "Cryptocurrency Exchange" as nest0_1 #D1C4E9
+}
+rectangle "Income Verification" as Group1 #ECEFF1 {
+    frame "Merger and Acquisition" as nest1_0 #B3E5FC
+    artifact "Approval Decision" as nest1_1 #D1C4E9
+    usecase "IPO Launch" as nest1_2 #C8EDFF
+}
+folder "Asset Management" as N0 #B3E5FC
+component "Dispute Resolution" as N1 #B3E5FC
+node "Forex Trading" as N2 #D1C4E9
+node "Transaction Logging" as N3 #C8EDFF
+usecase "Venture Capital Funding" as N4 #C8EDFF
+component "Fraud Check" as N5 #D1C4E9
+cloud "Market Analysis" as N6 #B3E5FC
+database "Customer Onboarding" as N7 #D1C4E9
+folder "KYC Validation" as N8 #B3E5FC
+usecase "Tax Preparation" as N9 #B3E5FC
+component "Wealth Management" as N10 #C8EDFF
+database "Credit Card Application" as N11 #D1C4E9
+cloud "Debt Collection" as N12 #C8EDFF
+folder "Treasury Management" as N13 #D1C4E9
+node "Account Verification" as N14 #D1C4E9
+rectangle "Blockchain Verification" as N15 #D1C4E9
+frame "Account Closure" as N16 #C8EDFF
+node "Credit Scoring" as N17 #B3E5FC
+folder "Budgeting Analysis" as N18 #D1C4E9
+circle " " as S0 #C8EDFF
+circle " " as S1 #B3E5FC
+circle " " as M0 #C8EDFF
+circle " " as M1 #D1C4E9
+circle " " as M2 #B3E5FC
+N0 -[#03A9F4]-> N1
+N1 ..[#82DAFF]..> N2 : models
+N2 ..[#82DAFF]..> N3
+N3 -[#03A9F4]-> N4
+N4 ..[#82DAFF]..> N5
+N5 ..[#000000]..> N6
+N6 ..[#673AB7]..> N7
+N7 -[#000000]-> N8
+N8 -[#673AB7]-> N9 : disburses
+N9 ..[#82DAFF]..> N10 : settles
+N10 ..[#673AB7]..> N11
+N11 -[#000000]-> N12 : reports
+N12 -[#673AB7]-> N13
+N13 ..[#03A9F4]..> N14
+N14 -[#000000]-> N15
+N15 -[#673AB7]-> N16
+N16 ..[#03A9F4]..> N17
+N17 -[#03A9F4]-> N18
+nest0_0 ..[#82DAFF]..> nest0_1
+N13 -[#673AB7]-> nest0_0 : collects
+nest0_1 ..[#82DAFF]..> N10
+nest1_0 -[#000000]-> nest1_1
+nest1_1 ..[#000000]..> nest1_2
+N7 ..[#673AB7]..> nest1_0
+nest1_2 ..[#82DAFF]..> N4
+N5 -[#82DAFF]-> S0
+S0 ..[#000000]..> N8
+S0 ..[#000000]..> N10
+S0 -[#673AB7]-> N17 : scores
+N6 -[#82DAFF]-> S1
+S1 -[#673AB7]-> N9
+S1 ..[#03A9F4]..> N16
+N1 -[#82DAFF]-> M0
+N4 -[#000000]-> M0 : processes
+N2 -[#03A9F4]-> M0
+M0 -[#03A9F4]-> N13
+N2 -[#82DAFF]-> M1
+N12 -[#000000]-> M1
+N6 -[#673AB7]-> M1
+N7 ..[#000000]..> M1
+M1 ..[#673AB7]..> N15
+N4 -[#82DAFF]-> M2
+N2 -[#000000]-> M2
+M2 ..[#03A9F4]..> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_2.txt b/test/plantuml/graph_hard/plantuml_2.txt
new file mode 100644
index 0000000000000000000000000000000000000000..00de37cf4adac5c9e2409066f349d61b86b72891
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_2.txt
@@ -0,0 +1,44 @@
+<Account Closure, connectedTo, Credit Scoring>
+<Account Verification, connectedTo, Blockchain Verification>
+<Approval Decision, connectedTo, IPO Launch>
+<Approval Decision, partOf, Income Verification>
+<Asset Management, connectedTo, Dispute Resolution>
+<Blockchain Verification, connectedTo, Account Closure>
+<Credit Card Application, reports, Debt Collection>
+<Credit Scoring, connectedTo, Budgeting Analysis>
+<Cryptocurrency Exchange, connectedTo, Wealth Management>
+<Cryptocurrency Exchange, partOf, Financial Advisory>
+<Customer Onboarding, connectedTo, Blockchain Verification>
+<Customer Onboarding, connectedTo, KYC Validation>
+<Customer Onboarding, connectedTo, Merger and Acquisition>
+<Debt Collection, connectedTo, Blockchain Verification>
+<Debt Collection, connectedTo, Treasury Management>
+<Dispute Resolution, connectedTo, Treasury Management>
+<Dispute Resolution, models, Forex Trading>
+<Forex Trading, connectedTo, Blockchain Verification>
+<Forex Trading, connectedTo, Customer Onboarding>
+<Forex Trading, connectedTo, Transaction Logging>
+<Forex Trading, connectedTo, Treasury Management>
+<Fraud Check, connectedTo, KYC Validation>
+<Fraud Check, connectedTo, Market Analysis>
+<Fraud Check, connectedTo, Wealth Management>
+<Fraud Check, scores, Credit Scoring>
+<IPO Launch, connectedTo, Venture Capital Funding>
+<IPO Launch, partOf, Income Verification>
+<KYC Validation, disburses, Tax Preparation>
+<Market Analysis, connectedTo, Account Closure>
+<Market Analysis, connectedTo, Blockchain Verification>
+<Market Analysis, connectedTo, Customer Onboarding>
+<Market Analysis, connectedTo, Tax Preparation>
+<Merger and Acquisition, connectedTo, Approval Decision>
+<Merger and Acquisition, partOf, Income Verification>
+<Risk Assessment, connectedTo, Cryptocurrency Exchange>
+<Risk Assessment, partOf, Financial Advisory>
+<Tax Preparation, settles, Wealth Management>
+<Transaction Logging, connectedTo, Venture Capital Funding>
+<Treasury Management, collects, Risk Assessment>
+<Treasury Management, connectedTo, Account Verification>
+<Venture Capital Funding, connectedTo, Customer Onboarding>
+<Venture Capital Funding, connectedTo, Fraud Check>
+<Venture Capital Funding, processes, Treasury Management>
+<Wealth Management, connectedTo, Credit Card Application>
diff --git a/test/plantuml/graph_hard/plantuml_20.puml b/test/plantuml/graph_hard/plantuml_20.puml
new file mode 100644
index 0000000000000000000000000000000000000000..d487ca2f8cff5db16a44fb1abd183bcb46a16508
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_20.puml
@@ -0,0 +1,64 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Energy Efficiency Audit" as Group0 #E0F2F1 {
+    usecase "Load Shedding" as nest0_0 #B3E5FC
+    cloud "Demand Forecast" as nest0_1 #B3E5FC
+    component "Power Plant" as nest0_2 #F9FBE7
+    usecase "Battery Monitoring" as nest0_3 #F9FBE7
+}
+rectangle "Hydropower Generation" as Group1 #E0F2F1 {
+    rectangle "Load Distribution" as nest1_0 #DACBE3
+    folder "Pipeline Monitoring" as nest1_1 #DACBE3
+    database "Power Backup" as nest1_2 #F9FBE7
+}
+usecase "Renewable Integration" as N0 #F9FBE7
+artifact "Regulatory Compliance" as N1 #B3E5FC
+component "Usage Billing" as N2 #B3E5FC
+artifact "Transformer Station" as N3 #F9FBE7
+rectangle "Energy Storage" as N4 #B3E5FC
+database "Energy Market Analysis" as N5 #B3E5FC
+frame "Peak Shaving" as N6 #F9FBE7
+database "Consumption Logging" as N7 #DACBE3
+component "Energy Infrastructure Planning" as N8 #F9FBE7
+folder "Wind Turbine Monitoring" as N9 #DACBE3
+database "Geothermal Power" as N10 #F9FBE7
+node "Energy Trading" as N11 #F9FBE7
+usecase "Carbon Capture" as N12 #DACBE3
+frame "Sensor Reading" as N13 #DACBE3
+circle " " as S1 #F9FBE7
+circle " " as M1 #DACBE3
+N0 ..[#A188D0]..> N1
+N1 -[#DCE775]-> N2
+N2 ..[#000000]..> N3
+N3 ..[#A188D0]..> N4
+N4 -[#000000]-> N5
+N5 ..[#DCE775]..> N6 : manages
+N6 -[#000000]-> N7 : audits
+N7 -[#A188D0]-> N8
+N8 -[#DCE775]-> N9
+N9 -[#03A9F4]-> N10 : innovates
+N10 ..[#DCE775]..> N11
+N11 -[#000000]-> N12
+N12 -[#DCE775]-> N13
+nest0_0 -[#000000]-> nest0_1
+nest0_1 ..[#000000]..> nest0_2 : permits
+nest0_2 -[#DCE775]-> nest0_3
+N12 ..[#03A9F4]..> nest0_0
+nest0_3 ..[#DCE775]..> N13
+nest1_0 -[#DCE775]-> nest1_1
+nest1_1 -[#000000]-> nest1_2
+N7 ..[#DCE775]..> nest1_0
+nest1_2 ..[#A188D0]..> N13
+N10 ..[#03A9F4]..> S1
+S1 ..[#03A9F4]..> N13
+S1 ..[#A188D0]..> N12
+N3 -[#A188D0]-> M1
+N0 ..[#03A9F4]..> M1
+M1 -[#A188D0]-> N5
+N3 -[#03A9F4]-> N8
+N13 -[#A188D0]-> nest1_2
+N3 -[#DCE775]-> N1
+N9 ..[#000000]..> N1
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_200.txt b/test/plantuml/graph_hard/plantuml_200.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6d1fc02c624d4b1c673df3903d303c97e986cd36
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_200.txt
@@ -0,0 +1,31 @@
+<Campaign Creation, connectedTo, Financial Projection Analysis>
+<Community Building, connectedTo, Email List Building>
+<Community Building, connectedTo, Fulfillment Planning>
+<Community Building, connectedTo, International Crowdfunding>
+<Email List Building, connectedTo, Campaign Creation>
+<Email List Building, connectedTo, International Crowdfunding>
+<Email List Building, provides support, Real Estate Crowdfunding>
+<Escrow Management, connectedTo, Funding Period Management>
+<Financial Projection Analysis, connectedTo, Social Media Promotion>
+<Fulfillment Planning, connectedTo, Tax Implications of Crowdfunding>
+<Fulfillment Planning, partOf, Securities Regulations Adherence>
+<Funding Period Management, connectedTo, Pitch Deck Preparation>
+<International Crowdfunding, connectedTo, Campaign Creation>
+<International Crowdfunding, connectedTo, Escrow Management>
+<International Crowdfunding, connectedTo, Social Media Promotion>
+<Investor Verification, connectedTo, International Crowdfunding>
+<Platform Selection, connectedTo, Escrow Management>
+<Platform Selection, partOf, Payment Processing>
+<Real Estate Crowdfunding, connectedTo, Campaign Creation>
+<Real Estate Crowdfunding, connectedTo, Financial Projection Analysis>
+<Real Estate Crowdfunding, connectedTo, Investor Verification>
+<Real Estate Crowdfunding, connectedTo, Pitch Deck Preparation>
+<Real Estate Crowdfunding, connectedTo, Shareholder Management>
+<Reward_Based Crowdfunding, connectedTo, Campaign Creation>
+<Reward_Based Crowdfunding, connectedTo, Community Building>
+<Reward_Based Crowdfunding, connectedTo, Pitch Deck Preparation>
+<Shareholder Management, partOf, Payment Processing>
+<Shareholder Management, prepares pitches, Platform Selection>
+<Social Media Promotion, connectedTo, Escrow Management>
+<Tax Implications of Crowdfunding, connectedTo, Funding Period Management>
+<Tax Implications of Crowdfunding, partOf, Securities Regulations Adherence>
diff --git a/test/plantuml/graph_hard/plantuml_201.puml b/test/plantuml/graph_hard/plantuml_201.puml
new file mode 100644
index 0000000000000000000000000000000000000000..e081c2d32e2b3c298475a65fa8c9e7e09c48d6b3
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_201.puml
@@ -0,0 +1,79 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Marketing Strategy" as Group0 #FFF3E0 {
+    component "Video Production for Campaigns" as nest0_0 #C5CAE9
+    node "Escrow Management" as nest0_1 #F0F4C3
+    usecase "Post_Campaign Updates" as nest0_2 #F0F4C3
+    component "Investor Relations" as nest0_3 #F0F4C3
+}
+rectangle "Debt Crowdfunding" as Group1 #F1F8E9 {
+    node "Tax Implications of Crowdfunding" as nest1_0 #C5CAE9
+    artifact "Post_Campaign Reporting" as nest1_1 #F0F4C3
+}
+usecase "Success Fee Structures" as N0 #F0F4C3
+component "Pitch Deck Preparation" as N1 #F0F4C3
+cloud "Fulfillment Planning" as N2 #F6F6F6
+artifact "Email List Building" as N3 #F0F4C3
+node "Reward Tier Design" as N4 #F6F6F6
+folder "Platform Fee Management" as N5 #F6F6F6
+folder "Funding Period Management" as N6 #F6F6F6
+component "Intellectual Property Protection" as N7 #C5CAE9
+folder "Press Outreach" as N8 #C5CAE9
+rectangle "Goal Setting" as N9 #C5CAE9
+node "Customer Support for Backers" as N10 #F0F4C3
+node "Platform Selection" as N11 #F6F6F6
+usecase "Project Vetting" as N12 #F6F6F6
+folder "Reward_Based Crowdfunding" as N13 #F0F4C3
+node "Shareholder Management" as N14 #C5CAE9
+cloud "Product Development Lifecycle" as N15 #C5CAE9
+component "International Crowdfunding" as N16 #F6F6F6
+circle " " as S0 #F0F4C3
+circle " " as S1 #C5CAE9
+circle " " as S2 #C5CAE9
+circle " " as M1 #C5CAE9
+circle " " as M2 #C5CAE9
+N0 -[#AED581]-> N1
+N1 -[#3F51B5]-> N2
+N2 ..[#000000]..> N3
+N3 ..[#3F51B5]..> N4
+N4 ..[#3F51B5]..> N5
+N5 ..[#3F51B5]..> N6
+N6 ..[#3F51B5]..> N7
+N7 -[#CFCFCF]-> N8
+N8 ..[#3F51B5]..> N9
+N9 ..[#3F51B5]..> N10
+N10 ..[#AED581]..> N11
+N11 -[#000000]-> N12
+N12 -[#000000]-> N13
+N13 -[#3F51B5]-> N14
+N14 -[#3F51B5]-> N15
+N15 ..[#AED581]..> N16
+nest0_0 ..[#AED581]..> nest0_1
+nest0_1 -[#000000]-> nest0_2
+nest0_2 ..[#AED581]..> nest0_3
+N15 ..[#AED581]..> nest0_0
+nest0_3 -[#000000]-> N4
+nest1_0 -[#AED581]-> nest1_1
+N2 ..[#CFCFCF]..> nest1_0
+nest1_1 ..[#AED581]..> N14
+N8 -[#CFCFCF]-> S0
+S0 ..[#3F51B5]..> N16
+S0 -[#000000]-> N13
+N9 -[#3F51B5]-> S1
+S1 ..[#AED581]..> N16
+S1 ..[#CFCFCF]..> N11 : collects donations
+S1 -[#CFCFCF]-> N12
+N0 ..[#CFCFCF]..> S2
+S2 -[#CFCFCF]-> N12
+S2 ..[#AED581]..> N5
+S2 -[#000000]-> N13
+N2 -[#000000]-> M1
+N0 ..[#3F51B5]..> M1
+M1 ..[#AED581]..> N5
+N6 -[#3F51B5]-> M2
+N4 ..[#AED581]..> M2
+N3 ..[#CFCFCF]..> M2
+M2 -[#000000]-> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_201.txt b/test/plantuml/graph_hard/plantuml_201.txt
new file mode 100644
index 0000000000000000000000000000000000000000..21f2907ee54dffc4aeb5ba69112c565d422f73ff
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_201.txt
@@ -0,0 +1,42 @@
+<Customer Support for Backers, connectedTo, Platform Selection>
+<Email List Building, connectedTo, Goal Setting>
+<Email List Building, connectedTo, Reward Tier Design>
+<Escrow Management, connectedTo, Post_Campaign Updates>
+<Escrow Management, partOf, Marketing Strategy>
+<Fulfillment Planning, connectedTo, Email List Building>
+<Fulfillment Planning, connectedTo, Platform Fee Management>
+<Fulfillment Planning, connectedTo, Tax Implications of Crowdfunding>
+<Funding Period Management, connectedTo, Goal Setting>
+<Funding Period Management, connectedTo, Intellectual Property Protection>
+<Goal Setting, collects donations, Platform Selection>
+<Goal Setting, connectedTo, Customer Support for Backers>
+<Goal Setting, connectedTo, International Crowdfunding>
+<Goal Setting, connectedTo, Project Vetting>
+<Intellectual Property Protection, connectedTo, Press Outreach>
+<Investor Relations, connectedTo, Reward Tier Design>
+<Investor Relations, partOf, Marketing Strategy>
+<Pitch Deck Preparation, connectedTo, Fulfillment Planning>
+<Platform Fee Management, connectedTo, Funding Period Management>
+<Platform Selection, connectedTo, Project Vetting>
+<Post_Campaign Reporting, connectedTo, Shareholder Management>
+<Post_Campaign Reporting, partOf, Debt Crowdfunding>
+<Post_Campaign Updates, connectedTo, Investor Relations>
+<Post_Campaign Updates, partOf, Marketing Strategy>
+<Press Outreach, connectedTo, Goal Setting>
+<Press Outreach, connectedTo, International Crowdfunding>
+<Press Outreach, connectedTo, Reward_Based Crowdfunding>
+<Product Development Lifecycle, connectedTo, International Crowdfunding>
+<Product Development Lifecycle, connectedTo, Video Production for Campaigns>
+<Project Vetting, connectedTo, Reward_Based Crowdfunding>
+<Reward Tier Design, connectedTo, Goal Setting>
+<Reward Tier Design, connectedTo, Platform Fee Management>
+<Reward_Based Crowdfunding, connectedTo, Shareholder Management>
+<Shareholder Management, connectedTo, Product Development Lifecycle>
+<Success Fee Structures, connectedTo, Pitch Deck Preparation>
+<Success Fee Structures, connectedTo, Platform Fee Management>
+<Success Fee Structures, connectedTo, Project Vetting>
+<Success Fee Structures, connectedTo, Reward_Based Crowdfunding>
+<Tax Implications of Crowdfunding, connectedTo, Post_Campaign Reporting>
+<Tax Implications of Crowdfunding, partOf, Debt Crowdfunding>
+<Video Production for Campaigns, connectedTo, Escrow Management>
+<Video Production for Campaigns, partOf, Marketing Strategy>
diff --git a/test/plantuml/graph_hard/plantuml_202.puml b/test/plantuml/graph_hard/plantuml_202.puml
new file mode 100644
index 0000000000000000000000000000000000000000..2a9348dd0fe409a1de0236966620bafcef483a84
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_202.puml
@@ -0,0 +1,77 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Blockchain for IoT Security" as Group0 #ECEFF1 {
+    artifact "Wearable Technology" as nest0_0 #E8EAF6
+    usecase "Data Analysis in Cloud" as nest0_1 #E3F2FD
+    frame "Connected Vehicles" as nest0_2 #E8EAF6
+    component "AI at the Edge" as nest0_3 #E3F2FD
+}
+rectangle "Firmware Updates" as Group1 #F1F8E9 {
+    frame "Data Collection" as nest1_0 #E8F0FF
+    artifact "Cloud Platform Integration" as nest1_1 #E8F0FF
+    rectangle "Device Management" as nest1_2 #E3F2FD
+    usecase "Edge Computing for IoT" as nest1_3 #E8F0FF
+}
+artifact "Power Management for Devices" as N0 #E3F2FD
+folder "Network Protocol Selection" as N1 #E8EAF6
+rectangle "Environmental Monitoring" as N2 #E3F2FD
+usecase "Remote Monitoring and Control" as N3 #E8EAF6
+artifact "Healthcare IoT Devices" as N4 #E8EAF6
+frame "Connectivity Management" as N5 #E8F0FF
+cloud "Data Privacy in IoT" as N6 #E3F2FD
+database "Smart Home Devices" as N7 #E3F2FD
+artifact "Real_time Data Streaming" as N8 #E3F2FD
+cloud "Energy Management Systems" as N9 #E8F0FF
+folder "Data Processing at Edge" as N10 #E8EAF6
+rectangle "Interoperability Standards" as N11 #E3F2FD
+frame "Agricultural IoT" as N12 #E8F0FF
+circle " " as S0 #E8EAF6
+circle " " as S1 #E8EAF6
+circle " " as M0 #E8EAF6
+circle " " as M1 #E8F0FF
+circle " " as M2 #E8EAF6
+N0 ..[#A2D0FF]..> N1
+N1 ..[#A2D0FF]..> N2
+N2 -[#A2D0FF]-> N3
+N3 -[#64B5F6]-> N4
+N4 -[#000000]-> N5
+N5 -[#000000]-> N6
+N6 ..[#64B5F6]..> N7
+N7 -[#5C6BC0]-> N8
+N8 ..[#A2D0FF]..> N9
+N9 -[#000000]-> N10
+N10 -[#A2D0FF]-> N11
+N11 -[#5C6BC0]-> N12
+nest0_0 ..[#5C6BC0]..> nest0_1 : integrates AI
+nest0_1 ..[#000000]..> nest0_2
+nest0_2 ..[#64B5F6]..> nest0_3
+N6 ..[#64B5F6]..> nest0_0
+nest0_3 ..[#5C6BC0]..> N8 : performs OTAs
+nest1_0 ..[#5C6BC0]..> nest1_1
+nest1_1 -[#000000]-> nest1_2
+nest1_2 -[#A2D0FF]-> nest1_3
+N7 -[#A2D0FF]-> nest1_0
+nest1_3 ..[#000000]..> N2
+N3 ..[#000000]..> S0
+S0 -[#5C6BC0]-> N12
+S0 -[#5C6BC0]-> N11
+S0 -[#64B5F6]-> N7 : tracks assets
+S0 -[#5C6BC0]-> N5
+N1 -[#A2D0FF]-> S1
+S1 ..[#64B5F6]..> N7
+S1 ..[#000000]..> N8
+N4 ..[#64B5F6]..> M0
+N6 -[#64B5F6]-> M0 : monitors environment
+N8 ..[#A2D0FF]..> M0
+M0 ..[#A2D0FF]..> N11
+N3 -[#A2D0FF]-> M1
+N1 -[#000000]-> M1
+M1 -[#64B5F6]-> N5
+N4 ..[#000000]..> M2
+N2 -[#64B5F6]-> M2
+N0 -[#64B5F6]-> M2
+N1 ..[#A2D0FF]..> M2
+M2 ..[#000000]..> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_202.txt b/test/plantuml/graph_hard/plantuml_202.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bf79aa91c7eb5688eb6e43edd20be9bb0f694664
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_202.txt
@@ -0,0 +1,43 @@
+<AI at the Edge, partOf, Blockchain for IoT Security>
+<AI at the Edge, performs OTAs, Real_time Data Streaming>
+<Cloud Platform Integration, connectedTo, Device Management>
+<Cloud Platform Integration, partOf, Firmware Updates>
+<Connected Vehicles, connectedTo, AI at the Edge>
+<Connected Vehicles, partOf, Blockchain for IoT Security>
+<Connectivity Management, connectedTo, Data Privacy in IoT>
+<Data Analysis in Cloud, connectedTo, Connected Vehicles>
+<Data Analysis in Cloud, partOf, Blockchain for IoT Security>
+<Data Collection, connectedTo, Cloud Platform Integration>
+<Data Collection, partOf, Firmware Updates>
+<Data Privacy in IoT, connectedTo, Smart Home Devices>
+<Data Privacy in IoT, connectedTo, Wearable Technology>
+<Data Privacy in IoT, monitors environment, Interoperability Standards>
+<Data Processing at Edge, connectedTo, Interoperability Standards>
+<Device Management, connectedTo, Edge Computing for IoT>
+<Device Management, partOf, Firmware Updates>
+<Edge Computing for IoT, connectedTo, Environmental Monitoring>
+<Edge Computing for IoT, partOf, Firmware Updates>
+<Energy Management Systems, connectedTo, Data Processing at Edge>
+<Environmental Monitoring, connectedTo, Remote Monitoring and Control>
+<Environmental Monitoring, connectedTo, Smart Home Devices>
+<Healthcare IoT Devices, connectedTo, Connectivity Management>
+<Healthcare IoT Devices, connectedTo, Interoperability Standards>
+<Healthcare IoT Devices, connectedTo, Smart Home Devices>
+<Interoperability Standards, connectedTo, Agricultural IoT>
+<Network Protocol Selection, connectedTo, Connectivity Management>
+<Network Protocol Selection, connectedTo, Environmental Monitoring>
+<Network Protocol Selection, connectedTo, Real_time Data Streaming>
+<Network Protocol Selection, connectedTo, Smart Home Devices>
+<Power Management for Devices, connectedTo, Network Protocol Selection>
+<Power Management for Devices, connectedTo, Smart Home Devices>
+<Real_time Data Streaming, connectedTo, Energy Management Systems>
+<Real_time Data Streaming, connectedTo, Interoperability Standards>
+<Remote Monitoring and Control, connectedTo, Agricultural IoT>
+<Remote Monitoring and Control, connectedTo, Connectivity Management>
+<Remote Monitoring and Control, connectedTo, Healthcare IoT Devices>
+<Remote Monitoring and Control, connectedTo, Interoperability Standards>
+<Remote Monitoring and Control, tracks assets, Smart Home Devices>
+<Smart Home Devices, connectedTo, Data Collection>
+<Smart Home Devices, connectedTo, Real_time Data Streaming>
+<Wearable Technology, integrates AI, Data Analysis in Cloud>
+<Wearable Technology, partOf, Blockchain for IoT Security>
diff --git a/test/plantuml/graph_hard/plantuml_203.puml b/test/plantuml/graph_hard/plantuml_203.puml
new file mode 100644
index 0000000000000000000000000000000000000000..0dafd66ceea02b45a0f5e3e8c53b0d5db5bb2136
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_203.puml
@@ -0,0 +1,63 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Connected Vehicles" as Group0 #EDE7F6 {
+    usecase "Real_time Data Streaming" as nest0_0 #EBEBEB
+    folder "Security Implementation" as nest0_1 #EBEBEB
+    cloud "User Interface for IoT Apps" as nest0_2 #F1F8E9
+    frame "Device Prototyping" as nest0_3 #F1F8E9
+}
+rectangle "Data Collection" as Group1 #FFF3E0 {
+    rectangle "Industrial IoT" as nest1_0 #F1F8E9
+    database "Edge Computing for IoT" as nest1_1 #F1F8E9
+}
+node "Sensor Integration" as N0 #DACBE3
+folder "API Development for IoT" as N1 #F1F8E9
+component "Smart Home Devices" as N2 #DACBE3
+usecase "Cloud Platform Integration" as N3 #DACBE3
+rectangle "Over_the_Air Updates" as N4 #EBEBEB
+artifact "Data Analysis in Cloud" as N5 #DACBE3
+artifact "Agricultural IoT" as N6 #F1F8E9
+folder "Interoperability Standards" as N7 #F1F8E9
+usecase "Predictive Maintenance" as N8 #DACBE3
+rectangle "Gateway Development" as N9 #DACBE3
+circle " " as S0 #F1F8E9
+circle " " as S1 #EBEBEB
+circle " " as S2 #F1F8E9
+circle " " as M0 #DACBE3
+circle " " as M1 #DACBE3
+N0 ..[#A188D0]..> N1
+N1 ..[#000000]..> N2
+N2 ..[#000000]..> N3 : develops solutions
+N3 ..[#A188D0]..> N4
+N4 ..[#A188D0]..> N5
+N5 ..[#E0E0E0]..> N6
+N6 ..[#388E3C]..> N7 : connects endpoints
+N7 ..[#000000]..> N8 : optimizes operations
+N8 ..[#A188D0]..> N9 : implements edge computing
+nest0_0 -[#000000]-> nest0_1
+nest0_1 ..[#388E3C]..> nest0_2
+nest0_2 ..[#A188D0]..> nest0_3 : optimizes industrial processes
+N6 -[#000000]-> nest0_0
+nest0_3 -[#388E3C]-> N4
+nest1_0 ..[#000000]..> nest1_1
+N2 ..[#A188D0]..> nest1_0
+nest1_1 ..[#388E3C]..> N6
+N0 -[#A188D0]-> S0
+S0 ..[#A188D0]..> N8
+S0 ..[#000000]..> N7
+S0 -[#E0E0E0]-> N2
+N6 -[#000000]-> S1
+S1 ..[#A188D0]..> N9
+S1 -[#000000]-> N8 : manages deployments
+N5 -[#E0E0E0]-> S2
+S2 ..[#388E3C]..> N7
+S2 ..[#388E3C]..> N8
+N1 ..[#E0E0E0]..> M0
+N0 -[#A188D0]-> M0
+M0 ..[#000000]..> N3
+N6 ..[#388E3C]..> M1
+N5 ..[#000000]..> M1
+M1 ..[#388E3C]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_203.txt b/test/plantuml/graph_hard/plantuml_203.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7ba11c7ac63cc2f1c2ae59b6f832d86619d987c4
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_203.txt
@@ -0,0 +1,33 @@
+<API Development for IoT, connectedTo, Cloud Platform Integration>
+<API Development for IoT, connectedTo, Smart Home Devices>
+<Agricultural IoT, connectedTo, Gateway Development>
+<Agricultural IoT, connectedTo, Predictive Maintenance>
+<Agricultural IoT, connectedTo, Real_time Data Streaming>
+<Agricultural IoT, connects endpoints, Interoperability Standards>
+<Agricultural IoT, manages deployments, Predictive Maintenance>
+<Cloud Platform Integration, connectedTo, Over_the_Air Updates>
+<Data Analysis in Cloud, connectedTo, Agricultural IoT>
+<Data Analysis in Cloud, connectedTo, Interoperability Standards>
+<Data Analysis in Cloud, connectedTo, Predictive Maintenance>
+<Device Prototyping, connectedTo, Over_the_Air Updates>
+<Device Prototyping, partOf, Connected Vehicles>
+<Edge Computing for IoT, connectedTo, Agricultural IoT>
+<Edge Computing for IoT, partOf, Data Collection>
+<Industrial IoT, connectedTo, Edge Computing for IoT>
+<Industrial IoT, partOf, Data Collection>
+<Interoperability Standards, optimizes operations, Predictive Maintenance>
+<Over_the_Air Updates, connectedTo, Data Analysis in Cloud>
+<Predictive Maintenance, implements edge computing, Gateway Development>
+<Real_time Data Streaming, connectedTo, Security Implementation>
+<Real_time Data Streaming, partOf, Connected Vehicles>
+<Security Implementation, connectedTo, User Interface for IoT Apps>
+<Security Implementation, partOf, Connected Vehicles>
+<Sensor Integration, connectedTo, API Development for IoT>
+<Sensor Integration, connectedTo, Cloud Platform Integration>
+<Sensor Integration, connectedTo, Interoperability Standards>
+<Sensor Integration, connectedTo, Predictive Maintenance>
+<Sensor Integration, connectedTo, Smart Home Devices>
+<Smart Home Devices, connectedTo, Industrial IoT>
+<Smart Home Devices, develops solutions, Cloud Platform Integration>
+<User Interface for IoT Apps, optimizes industrial processes, Device Prototyping>
+<User Interface for IoT Apps, partOf, Connected Vehicles>
diff --git a/test/plantuml/graph_hard/plantuml_204.puml b/test/plantuml/graph_hard/plantuml_204.puml
new file mode 100644
index 0000000000000000000000000000000000000000..0214a3a50d1167c27b9265fc663faf15b491c54e
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_204.puml
@@ -0,0 +1,61 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Transportation IoT" as Group0 #E0F2F1 {
+    node "Compliance with IoT Regulations" as nest0_0 #D7CCC8
+    frame "Retail IoT" as nest0_1 #FFCDD2
+    folder "Smart City Sensors" as nest0_2 #FFCDD2
+}
+rectangle "Firmware Updates" as Group1 #E3F2FD {
+    component "Edge Computing for IoT" as nest1_0 #D1C4E9
+    node "Energy Management Systems" as nest1_1 #D1C4E9
+}
+usecase "Device Management" as N0 #FFCDD2
+database "Data Analysis in Cloud" as N1 #D1C4E9
+rectangle "User Interface for IoT Apps" as N2 #FFCDD2
+database "Agricultural IoT" as N3 #FFCDD2
+folder "Gateway Development" as N4 #D7CCC8
+folder "Interoperability Standards" as N5 #D7CCC8
+rectangle "API Development for IoT" as N6 #D7CCC8
+folder "AI at the Edge" as N7 #D1C4E9
+component "Data Privacy in IoT" as N8 #FFCDD2
+folder "Smart Home Devices" as N9 #D1C4E9
+folder "Sensor Integration" as N10 #FFCDD2
+circle " " as S0 #D1C4E9
+circle " " as S1 #D7CCC8
+circle " " as M0 #D7CCC8
+circle " " as M1 #D7CCC8
+N0 ..[#000000]..> N1 : designs UIs
+N1 ..[#000000]..> N2
+N2 ..[#7E57C2]..> N3
+N3 -[#000000]-> N4
+N4 ..[#7E57C2]..> N5
+N5 -[#795548]-> N6
+N6 ..[#795548]..> N7
+N7 ..[#795548]..> N8 : predicts events
+N8 ..[#000000]..> N9
+N9 -[#7E57C2]-> N10
+nest0_0 -[#7E57C2]-> nest0_1 : updates firmware
+nest0_1 -[#000000]-> nest0_2
+N2 ..[#F44336]..> nest0_0 : analyzes insights
+nest0_2 -[#795548]-> N7
+nest1_0 ..[#F44336]..> nest1_1
+N5 ..[#F44336]..> nest1_0
+nest1_1 -[#795548]-> N2
+N3 ..[#7E57C2]..> S0
+S0 -[#795548]-> N5
+S0 ..[#F44336]..> N7
+S0 ..[#795548]..> N9
+N6 ..[#795548]..> S1
+S1 -[#F44336]-> N10
+S1 ..[#000000]..> N8
+S1 -[#795548]-> N9 : improves retail
+N0 -[#7E57C2]-> M0
+N3 ..[#F44336]..> M0
+N1 ..[#F44336]..> M0
+M0 ..[#F44336]..> N7
+N0 -[#F44336]-> M1
+N1 -[#7E57C2]-> M1
+M1 ..[#7E57C2]..> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_204.txt b/test/plantuml/graph_hard/plantuml_204.txt
new file mode 100644
index 0000000000000000000000000000000000000000..15396b116d83a8ba961c001979d3ccf87a185bf6
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_204.txt
@@ -0,0 +1,32 @@
+<AI at the Edge, predicts events, Data Privacy in IoT>
+<API Development for IoT, connectedTo, AI at the Edge>
+<API Development for IoT, connectedTo, Data Privacy in IoT>
+<API Development for IoT, connectedTo, Sensor Integration>
+<API Development for IoT, improves retail, Smart Home Devices>
+<Agricultural IoT, connectedTo, AI at the Edge>
+<Agricultural IoT, connectedTo, Gateway Development>
+<Agricultural IoT, connectedTo, Interoperability Standards>
+<Agricultural IoT, connectedTo, Smart Home Devices>
+<Compliance with IoT Regulations, partOf, Transportation IoT>
+<Compliance with IoT Regulations, updates firmware, Retail IoT>
+<Data Analysis in Cloud, connectedTo, AI at the Edge>
+<Data Analysis in Cloud, connectedTo, Agricultural IoT>
+<Data Analysis in Cloud, connectedTo, User Interface for IoT Apps>
+<Data Privacy in IoT, connectedTo, Smart Home Devices>
+<Device Management, connectedTo, AI at the Edge>
+<Device Management, connectedTo, Agricultural IoT>
+<Device Management, designs UIs, Data Analysis in Cloud>
+<Edge Computing for IoT, connectedTo, Energy Management Systems>
+<Edge Computing for IoT, partOf, Firmware Updates>
+<Energy Management Systems, connectedTo, User Interface for IoT Apps>
+<Energy Management Systems, partOf, Firmware Updates>
+<Gateway Development, connectedTo, Interoperability Standards>
+<Interoperability Standards, connectedTo, API Development for IoT>
+<Interoperability Standards, connectedTo, Edge Computing for IoT>
+<Retail IoT, connectedTo, Smart City Sensors>
+<Retail IoT, partOf, Transportation IoT>
+<Smart City Sensors, connectedTo, AI at the Edge>
+<Smart City Sensors, partOf, Transportation IoT>
+<Smart Home Devices, connectedTo, Sensor Integration>
+<User Interface for IoT Apps, analyzes insights, Compliance with IoT Regulations>
+<User Interface for IoT Apps, connectedTo, Agricultural IoT>
diff --git a/test/plantuml/graph_hard/plantuml_205.puml b/test/plantuml/graph_hard/plantuml_205.puml
new file mode 100644
index 0000000000000000000000000000000000000000..b2f06e1e5018507b1fc46cfa34e9e12c262e2503
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_205.puml
@@ -0,0 +1,67 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Edge Application Development" as Group0 #FBE9E7 {
+    artifact "Edge Computing Hardware Selection" as nest0_0 #FAEBF3
+    component "Edge Data Processing" as nest0_1 #E8EAF6
+}
+rectangle "Edge AI Model Deployment" as Group1 #E0F2F1 {
+    component "Latency Reduction" as nest1_0 #ECF0FD
+    frame "Network Optimization for Edge" as nest1_1 #ECF0FD
+    rectangle "Data Filtering at Edge" as nest1_2 #FAEBF3
+    frame "Industrial Edge Computing" as nest1_3 #ECF0FD
+}
+rectangle "Smart City Edge Solutions" as N0 #E8EAF6
+frame "Healthcare Edge Computing" as N1 #ECF0FD
+folder "Bandwidth Optimization" as N2 #FAEBF3
+database "Power Consumption Optimization" as N3 #E8EAF6
+folder "Edge Security Analytics" as N4 #FAEBF3
+folder "Resource Management at Edge" as N5 #ECF0FD
+folder "Remote Device Management" as N6 #ECF0FD
+node "Connectivity to Cloud" as N7 #FAEBF3
+node "Event_Driven Architectures at Edge" as N8 #ECF0FD
+rectangle "Edge Gateway Management" as N9 #E8EAF6
+frame "Edge Device Provisioning" as N10 #E8EAF6
+node "Edge_to_Cloud Data Transfer Optimization" as N11 #FAEBF3
+artifact "Orchestration of Edge Workloads" as N12 #ECF0FD
+rectangle "Containerization at Edge" as N13 #E8EAF6
+circle " " as S0 #FAEBF3
+circle " " as S1 #E8EAF6
+circle " " as M0 #FAEBF3
+circle " " as M1 #FAEBF3
+N0 ..[#B8C0F5]..> N1
+N1 ..[#5C6BC0]..> N2
+N2 -[#000000]-> N3 : selects hardware
+N3 ..[#F7BEE0]..> N4
+N4 -[#F7BEE0]-> N5
+N5 -[#F7BEE0]-> N6
+N6 -[#B8C0F5]-> N7
+N7 -[#000000]-> N8
+N8 -[#B8C0F5]-> N9
+N9 ..[#F7BEE0]..> N10
+N10 ..[#B8C0F5]..> N11
+N11 -[#F7BEE0]-> N12 : reduces latency
+N12 ..[#5C6BC0]..> N13
+nest0_0 -[#B8C0F5]-> nest0_1
+N7 -[#B8C0F5]-> nest0_0
+nest0_1 -[#000000]-> N13
+nest1_0 ..[#B8C0F5]..> nest1_1
+nest1_1 ..[#F7BEE0]..> nest1_2
+nest1_2 ..[#F7BEE0]..> nest1_3
+N10 ..[#000000]..> nest1_0
+nest1_3 ..[#5C6BC0]..> N8
+N8 -[#000000]-> S0
+S0 ..[#B8C0F5]..> N10
+S0 ..[#F7BEE0]..> N13
+S0 ..[#000000]..> N11
+N7 -[#F7BEE0]-> S1
+S1 ..[#B8C0F5]..> N11
+S1 ..[#F7BEE0]..> N9
+N7 -[#B8C0F5]-> M0
+N8 -[#000000]-> M0
+M0 ..[#000000]..> N12
+N0 -[#F7BEE0]-> M1
+N3 -[#F7BEE0]-> M1
+M1 ..[#F7BEE0]..> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_205.txt b/test/plantuml/graph_hard/plantuml_205.txt
new file mode 100644
index 0000000000000000000000000000000000000000..82ac810a38c749785852d1c938670a78f1aceb86
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_205.txt
@@ -0,0 +1,36 @@
+<Bandwidth Optimization, selects hardware, Power Consumption Optimization>
+<Connectivity to Cloud, connectedTo, Edge Computing Hardware Selection>
+<Connectivity to Cloud, connectedTo, Edge Gateway Management>
+<Connectivity to Cloud, connectedTo, Edge_to_Cloud Data Transfer Optimization>
+<Connectivity to Cloud, connectedTo, Event_Driven Architectures at Edge>
+<Connectivity to Cloud, connectedTo, Orchestration of Edge Workloads>
+<Data Filtering at Edge, connectedTo, Industrial Edge Computing>
+<Data Filtering at Edge, partOf, Edge AI Model Deployment>
+<Edge Computing Hardware Selection, connectedTo, Edge Data Processing>
+<Edge Computing Hardware Selection, partOf, Edge Application Development>
+<Edge Data Processing, connectedTo, Containerization at Edge>
+<Edge Data Processing, partOf, Edge Application Development>
+<Edge Device Provisioning, connectedTo, Edge_to_Cloud Data Transfer Optimization>
+<Edge Device Provisioning, connectedTo, Latency Reduction>
+<Edge Gateway Management, connectedTo, Edge Device Provisioning>
+<Edge Security Analytics, connectedTo, Resource Management at Edge>
+<Edge_to_Cloud Data Transfer Optimization, reduces latency, Orchestration of Edge Workloads>
+<Event_Driven Architectures at Edge, connectedTo, Containerization at Edge>
+<Event_Driven Architectures at Edge, connectedTo, Edge Device Provisioning>
+<Event_Driven Architectures at Edge, connectedTo, Edge Gateway Management>
+<Event_Driven Architectures at Edge, connectedTo, Edge_to_Cloud Data Transfer Optimization>
+<Event_Driven Architectures at Edge, connectedTo, Orchestration of Edge Workloads>
+<Healthcare Edge Computing, connectedTo, Bandwidth Optimization>
+<Industrial Edge Computing, connectedTo, Event_Driven Architectures at Edge>
+<Industrial Edge Computing, partOf, Edge AI Model Deployment>
+<Latency Reduction, connectedTo, Network Optimization for Edge>
+<Latency Reduction, partOf, Edge AI Model Deployment>
+<Network Optimization for Edge, connectedTo, Data Filtering at Edge>
+<Network Optimization for Edge, partOf, Edge AI Model Deployment>
+<Orchestration of Edge Workloads, connectedTo, Containerization at Edge>
+<Power Consumption Optimization, connectedTo, Edge Device Provisioning>
+<Power Consumption Optimization, connectedTo, Edge Security Analytics>
+<Remote Device Management, connectedTo, Connectivity to Cloud>
+<Resource Management at Edge, connectedTo, Remote Device Management>
+<Smart City Edge Solutions, connectedTo, Edge Device Provisioning>
+<Smart City Edge Solutions, connectedTo, Healthcare Edge Computing>
diff --git a/test/plantuml/graph_hard/plantuml_206.puml b/test/plantuml/graph_hard/plantuml_206.puml
new file mode 100644
index 0000000000000000000000000000000000000000..5503d2348b9c84d743d83cff16d99b8709dd0cdd
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_206.puml
@@ -0,0 +1,70 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Connectivity to Cloud" as Group0 #FBE9E7 {
+    component "Bandwidth Optimization" as nest0_0 #E0F2F1
+    cloud "Fault Tolerance at Edge" as nest0_1 #F3E5F5
+    cloud "Orchestration of Edge Workloads" as nest0_2 #E0F2F1
+}
+rectangle "Sensor Data Aggregation" as Group1 #FBE9E7 {
+    frame "Edge Device Analytics" as nest1_0 #CADEDE
+    database "Edge Data Processing" as nest1_1 #E0F2F1
+}
+database "Offline Functionality" as N0 #CADEDE
+folder "Virtualization at Edge" as N1 #F3E5F5
+folder "Network Optimization for Edge" as N2 #F3E5F5
+frame "Remote Device Management" as N3 #F3E5F5
+node "Local AI or ML Inference" as N4 #F3E5F5
+folder "Edge Gateway Management" as N5 #CADEDE
+cloud "Smart City Edge Solutions" as N6 #E0F2F1
+artifact "Industrial Edge Computing" as N7 #E0F2F1
+artifact "Data Synchronization between Edge and Cloud" as N8 #CADEDE
+frame "Fleet Management for Edge Devices" as N9 #E0F2F1
+component "Edge Device Deployment" as N10 #CADEDE
+rectangle "Resource Management at Edge" as N11 #CADEDE
+cloud "Compliance and Governance at Edge" as N12 #F3E5F5
+circle " " as S0 #CADEDE
+circle " " as S1 #CADEDE
+circle " " as S2 #CADEDE
+circle " " as M0 #CADEDE
+circle " " as M1 #E0F2F1
+N0 -[#94C0C0]-> N1
+N1 ..[#94C0C0]..> N2
+N2 ..[#94C0C0]..> N3 : powers healthcare devices
+N3 ..[#94C0C0]..> N4
+N4 -[#94C0C0]-> N5
+N5 -[#26A69A]-> N6
+N6 -[#BA68C8]-> N7
+N7 ..[#26A69A]..> N8
+N8 -[#BA68C8]-> N9
+N9 -[#BA68C8]-> N10
+N10 ..[#94C0C0]..> N11
+N11 -[#000000]-> N12
+nest0_0 -[#26A69A]-> nest0_1
+nest0_1 -[#000000]-> nest0_2
+N3 -[#94C0C0]-> nest0_0
+nest0_2 ..[#26A69A]..> N3
+nest1_0 -[#94C0C0]-> nest1_1
+N8 -[#BA68C8]-> nest1_0
+nest1_1 ..[#BA68C8]..> N7
+N0 ..[#94C0C0]..> S0
+S0 ..[#94C0C0]..> N2
+S0 -[#94C0C0]-> N4
+S0 ..[#94C0C0]..> N12
+S0 ..[#BA68C8]..> N3
+N5 ..[#000000]..> S1
+S1 -[#26A69A]-> N11
+S1 ..[#BA68C8]..> N10
+S1 ..[#BA68C8]..> N7 : distributes workloads
+N3 ..[#BA68C8]..> S2
+S2 -[#94C0C0]-> N12
+S2 -[#94C0C0]-> N11
+N0 -[#94C0C0]-> M0
+N1 ..[#94C0C0]..> M0
+N2 ..[#26A69A]..> M0
+M0 -[#BA68C8]-> N8
+N2 -[#26A69A]-> M1 : manages distributed systems
+N0 -[#94C0C0]-> M1
+M1 ..[#94C0C0]..> N11
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_206.txt b/test/plantuml/graph_hard/plantuml_206.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ca6e8ee5c40d53f904f605f81367bd629e5b3d2c
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_206.txt
@@ -0,0 +1,38 @@
+<Bandwidth Optimization, connectedTo, Fault Tolerance at Edge>
+<Bandwidth Optimization, partOf, Connectivity to Cloud>
+<Data Synchronization between Edge and Cloud, connectedTo, Edge Device Analytics>
+<Data Synchronization between Edge and Cloud, connectedTo, Fleet Management for Edge Devices>
+<Edge Data Processing, connectedTo, Industrial Edge Computing>
+<Edge Data Processing, partOf, Sensor Data Aggregation>
+<Edge Device Analytics, connectedTo, Edge Data Processing>
+<Edge Device Analytics, partOf, Sensor Data Aggregation>
+<Edge Device Deployment, connectedTo, Resource Management at Edge>
+<Edge Gateway Management, connectedTo, Edge Device Deployment>
+<Edge Gateway Management, connectedTo, Resource Management at Edge>
+<Edge Gateway Management, connectedTo, Smart City Edge Solutions>
+<Edge Gateway Management, distributes workloads, Industrial Edge Computing>
+<Fault Tolerance at Edge, connectedTo, Orchestration of Edge Workloads>
+<Fault Tolerance at Edge, partOf, Connectivity to Cloud>
+<Fleet Management for Edge Devices, connectedTo, Edge Device Deployment>
+<Industrial Edge Computing, connectedTo, Data Synchronization between Edge and Cloud>
+<Local AI or ML Inference, connectedTo, Edge Gateway Management>
+<Network Optimization for Edge, connectedTo, Data Synchronization between Edge and Cloud>
+<Network Optimization for Edge, manages distributed systems, Resource Management at Edge>
+<Network Optimization for Edge, powers healthcare devices, Remote Device Management>
+<Offline Functionality, connectedTo, Compliance and Governance at Edge>
+<Offline Functionality, connectedTo, Data Synchronization between Edge and Cloud>
+<Offline Functionality, connectedTo, Local AI or ML Inference>
+<Offline Functionality, connectedTo, Network Optimization for Edge>
+<Offline Functionality, connectedTo, Remote Device Management>
+<Offline Functionality, connectedTo, Resource Management at Edge>
+<Offline Functionality, connectedTo, Virtualization at Edge>
+<Orchestration of Edge Workloads, connectedTo, Remote Device Management>
+<Orchestration of Edge Workloads, partOf, Connectivity to Cloud>
+<Remote Device Management, connectedTo, Bandwidth Optimization>
+<Remote Device Management, connectedTo, Compliance and Governance at Edge>
+<Remote Device Management, connectedTo, Local AI or ML Inference>
+<Remote Device Management, connectedTo, Resource Management at Edge>
+<Resource Management at Edge, connectedTo, Compliance and Governance at Edge>
+<Smart City Edge Solutions, connectedTo, Industrial Edge Computing>
+<Virtualization at Edge, connectedTo, Data Synchronization between Edge and Cloud>
+<Virtualization at Edge, connectedTo, Network Optimization for Edge>
diff --git a/test/plantuml/graph_hard/plantuml_207.puml b/test/plantuml/graph_hard/plantuml_207.puml
new file mode 100644
index 0000000000000000000000000000000000000000..c784b06d87ec413efcba56ac96a00843f8f62f89
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_207.puml
@@ -0,0 +1,60 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Bandwidth Optimization" as Group0 #F1F8E9 {
+    component "Edge Gateway Management" as nest0_0 #BBDEFB
+    rectangle "Orchestration of Edge Workloads" as nest0_1 #FFE88D
+    folder "Edge Device Analytics" as nest0_2 #FFE88D
+    folder "Edge Device Deployment" as nest0_3 #ECCFF5
+}
+rectangle "Data Synchronization between Edge and Cloud" as Group1 #E3F2FD {
+    usecase "Fleet Management for Edge Devices" as nest1_0 #BBDEFB
+    node "Edge Security Analytics" as nest1_1 #BBDEFB
+    rectangle "Edge Device Provisioning" as nest1_2 #BBDEFB
+    usecase "Connectivity to Cloud" as nest1_3 #BBDEFB
+}
+folder "Real_time Analytics at Edge" as N0 #FFE88D
+rectangle "Resource Management at Edge" as N1 #FFE88D
+artifact "Compliance and Governance at Edge" as N2 #ECCFF5
+database "Edge API Management" as N3 #ECCFF5
+folder "Edge AI Model Deployment" as N4 #FFE88D
+cloud "Security for Edge Devices" as N5 #FFE88D
+folder "Virtualization at Edge" as N6 #ECCFF5
+node "Local AI or ML Inference" as N7 #ECCFF5
+rectangle "Network Optimization for Edge" as N8 #BBDEFB
+folder "Edge Application Development" as N9 #FFE88D
+frame "Edge Network Topology Design" as N10 #ECCFF5
+circle " " as M1 #BBDEFB
+circle " " as M2 #BBDEFB
+N0 ..[#2196F3]..> N1
+N1 ..[#2196F3]..> N2
+N2 ..[#2196F3]..> N3
+N3 ..[#2196F3]..> N4
+N4 ..[#2196F3]..> N5
+N5 -[#000000]-> N6
+N6 ..[#FFDA4E]..> N7
+N7 -[#CD8FF2]-> N8
+N8 -[#FFDA4E]-> N9
+N9 -[#FFDA4E]-> N10
+nest0_0 ..[#2196F3]..> nest0_1
+nest0_1 ..[#FFDA4E]..> nest0_2
+nest0_2 ..[#CD8FF2]..> nest0_3
+N3 ..[#FFDA4E]..> nest0_0
+nest0_3 -[#2196F3]-> N3
+nest1_0 ..[#CD8FF2]..> nest1_1
+nest1_1 ..[#000000]..> nest1_2
+nest1_2 ..[#000000]..> nest1_3
+N5 ..[#FFDA4E]..> nest1_0
+nest1_3 ..[#CD8FF2]..> N2
+N0 -[#CD8FF2]-> M1
+N1 -[#FFDA4E]-> M1
+M1 ..[#000000]..> N7
+N0 ..[#FFDA4E]..> M2
+N6 -[#000000]-> M2
+N1 -[#CD8FF2]-> M2
+M2 -[#2196F3]-> N9
+nest0_1 -[#000000]-> N5
+nest1_3 -[#FFDA4E]-> N5
+N1 -[#2196F3]-> nest1_0
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_207.txt b/test/plantuml/graph_hard/plantuml_207.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f51f226fe00dac9ca597c17aee5803cea379384c
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_207.txt
@@ -0,0 +1,36 @@
+<Compliance and Governance at Edge, connectedTo, Edge API Management>
+<Connectivity to Cloud, connectedTo, Compliance and Governance at Edge>
+<Connectivity to Cloud, connectedTo, Security for Edge Devices>
+<Connectivity to Cloud, partOf, Data Synchronization between Edge and Cloud>
+<Edge AI Model Deployment, connectedTo, Security for Edge Devices>
+<Edge API Management, connectedTo, Edge AI Model Deployment>
+<Edge API Management, connectedTo, Edge Gateway Management>
+<Edge Application Development, connectedTo, Edge Network Topology Design>
+<Edge Device Analytics, connectedTo, Edge Device Deployment>
+<Edge Device Analytics, partOf, Bandwidth Optimization>
+<Edge Device Deployment, connectedTo, Edge API Management>
+<Edge Device Deployment, partOf, Bandwidth Optimization>
+<Edge Device Provisioning, connectedTo, Connectivity to Cloud>
+<Edge Device Provisioning, partOf, Data Synchronization between Edge and Cloud>
+<Edge Gateway Management, connectedTo, Orchestration of Edge Workloads>
+<Edge Gateway Management, partOf, Bandwidth Optimization>
+<Edge Security Analytics, connectedTo, Edge Device Provisioning>
+<Edge Security Analytics, partOf, Data Synchronization between Edge and Cloud>
+<Fleet Management for Edge Devices, connectedTo, Edge Security Analytics>
+<Fleet Management for Edge Devices, partOf, Data Synchronization between Edge and Cloud>
+<Local AI or ML Inference, connectedTo, Network Optimization for Edge>
+<Network Optimization for Edge, connectedTo, Edge Application Development>
+<Orchestration of Edge Workloads, connectedTo, Edge Device Analytics>
+<Orchestration of Edge Workloads, connectedTo, Security for Edge Devices>
+<Orchestration of Edge Workloads, partOf, Bandwidth Optimization>
+<Real_time Analytics at Edge, connectedTo, Edge Application Development>
+<Real_time Analytics at Edge, connectedTo, Local AI or ML Inference>
+<Real_time Analytics at Edge, connectedTo, Resource Management at Edge>
+<Resource Management at Edge, connectedTo, Compliance and Governance at Edge>
+<Resource Management at Edge, connectedTo, Edge Application Development>
+<Resource Management at Edge, connectedTo, Fleet Management for Edge Devices>
+<Resource Management at Edge, connectedTo, Local AI or ML Inference>
+<Security for Edge Devices, connectedTo, Fleet Management for Edge Devices>
+<Security for Edge Devices, connectedTo, Virtualization at Edge>
+<Virtualization at Edge, connectedTo, Edge Application Development>
+<Virtualization at Edge, connectedTo, Local AI or ML Inference>
diff --git a/test/plantuml/graph_hard/plantuml_208.puml b/test/plantuml/graph_hard/plantuml_208.puml
new file mode 100644
index 0000000000000000000000000000000000000000..7f9495970fcb78de653847620bcf40e7a8ae109b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_208.puml
@@ -0,0 +1,71 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Multi_Cloud Management" as Group0 #F3E5F5 {
+    frame "Load Balancing in Cloud" as nest0_0 #F5F5F5
+    artifact "Cloud Governance" as nest0_1 #E0F2F1
+    database "Resource Tagging for Cost Allocation" as nest0_2 #D0E0F8
+}
+rectangle "Compliance in Cloud" as Group1 #ECEFF1 {
+    frame "Cloud_based VPN Setup" as nest1_0 #E0F2F1
+    folder "Serverless Computing" as nest1_1 #D0E0F8
+    rectangle "Cloud Native Application Development" as nest1_2 #D0E0F8
+    node "Public Cloud Management" as nest1_3 #F5F5F5
+}
+database "Cloud Security" as N0 #E0F2F1
+component "Cloud FinOps" as N1 #D0E0F8
+rectangle "API Management in Cloud" as N2 #E0F2F1
+artifact "Private Cloud Management" as N3 #E0F2F1
+rectangle "Cloud Firewall Configuration" as N4 #D0E0F8
+frame "Hybrid Cloud Deployment" as N5 #F5F5F5
+frame "Infrastructure as a Service" as N6 #D0E0F8
+cloud "Platform as a Service" as N7 #D0E0F8
+component "Data Storage in Cloud" as N8 #E0F2F1
+frame "Disaster Recovery in Cloud" as N9 #F5F5F5
+artifact "Identity and Access Management" as N10 #E0F2F1
+folder "Auto_Scaling Configurations" as N11 #E0F2F1
+frame "Cloud Marketplace Integration" as N12 #D0E0F8
+component "Cost Optimization in Cloud" as N13 #F5F5F5
+circle " " as S0 #E0F2F1
+circle " " as S1 #E0F2F1
+circle " " as M0 #D0E0F8
+circle " " as M1 #E0F2F1
+N0 -[#BDBDBD]-> N1
+N1 -[#26A69A]-> N2
+N2 -[#26A69A]-> N3
+N3 -[#26A69A]-> N4
+N4 -[#000000]-> N5
+N5 -[#BDBDBD]-> N6
+N6 ..[#000000]..> N7
+N7 -[#000000]-> N8
+N8 ..[#BDBDBD]..> N9
+N9 -[#4285F4]-> N10
+N10 -[#BDBDBD]-> N11
+N11 ..[#000000]..> N12
+N12 -[#4285F4]-> N13
+nest0_0 -[#26A69A]-> nest0_1
+nest0_1 ..[#26A69A]..> nest0_2
+N9 ..[#000000]..> nest0_0 : stores data
+nest0_2 -[#000000]-> N8
+nest1_0 ..[#26A69A]..> nest1_1
+nest1_1 -[#26A69A]-> nest1_2
+nest1_2 ..[#26A69A]..> nest1_3
+N5 -[#4285F4]-> nest1_0
+nest1_3 ..[#4285F4]..> N3
+N2 -[#26A69A]-> S0
+S0 -[#000000]-> N12
+S0 -[#26A69A]-> N7
+S0 ..[#BDBDBD]..> N11
+N9 -[#BDBDBD]-> S1
+S1 ..[#000000]..> N11
+S1 -[#000000]-> N13
+S1 ..[#4285F4]..> N12
+N0 -[#4285F4]-> M0
+N2 -[#26A69A]-> M0
+M0 -[#000000]-> N4
+N3 -[#4285F4]-> M1
+N0 ..[#26A69A]..> M1
+N1 ..[#26A69A]..> M1
+M1 -[#BDBDBD]-> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_208.txt b/test/plantuml/graph_hard/plantuml_208.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bef5c1a56a6af21780cf1311e1b5c5689872c8d2
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_208.txt
@@ -0,0 +1,40 @@
+<API Management in Cloud, connectedTo, Auto_Scaling Configurations>
+<API Management in Cloud, connectedTo, Cloud Firewall Configuration>
+<API Management in Cloud, connectedTo, Cloud Marketplace Integration>
+<API Management in Cloud, connectedTo, Platform as a Service>
+<API Management in Cloud, connectedTo, Private Cloud Management>
+<Auto_Scaling Configurations, connectedTo, Cloud Marketplace Integration>
+<Cloud FinOps, connectedTo, API Management in Cloud>
+<Cloud FinOps, connectedTo, Identity and Access Management>
+<Cloud Firewall Configuration, connectedTo, Hybrid Cloud Deployment>
+<Cloud Governance, connectedTo, Resource Tagging for Cost Allocation>
+<Cloud Governance, partOf, Multi_Cloud Management>
+<Cloud Marketplace Integration, connectedTo, Cost Optimization in Cloud>
+<Cloud Native Application Development, connectedTo, Public Cloud Management>
+<Cloud Native Application Development, partOf, Compliance in Cloud>
+<Cloud Security, connectedTo, Cloud FinOps>
+<Cloud Security, connectedTo, Cloud Firewall Configuration>
+<Cloud Security, connectedTo, Identity and Access Management>
+<Cloud_based VPN Setup, connectedTo, Serverless Computing>
+<Cloud_based VPN Setup, partOf, Compliance in Cloud>
+<Data Storage in Cloud, connectedTo, Disaster Recovery in Cloud>
+<Disaster Recovery in Cloud, connectedTo, Auto_Scaling Configurations>
+<Disaster Recovery in Cloud, connectedTo, Cloud Marketplace Integration>
+<Disaster Recovery in Cloud, connectedTo, Cost Optimization in Cloud>
+<Disaster Recovery in Cloud, connectedTo, Identity and Access Management>
+<Disaster Recovery in Cloud, stores data, Load Balancing in Cloud>
+<Hybrid Cloud Deployment, connectedTo, Cloud_based VPN Setup>
+<Hybrid Cloud Deployment, connectedTo, Infrastructure as a Service>
+<Identity and Access Management, connectedTo, Auto_Scaling Configurations>
+<Infrastructure as a Service, connectedTo, Platform as a Service>
+<Load Balancing in Cloud, connectedTo, Cloud Governance>
+<Load Balancing in Cloud, partOf, Multi_Cloud Management>
+<Platform as a Service, connectedTo, Data Storage in Cloud>
+<Private Cloud Management, connectedTo, Cloud Firewall Configuration>
+<Private Cloud Management, connectedTo, Identity and Access Management>
+<Public Cloud Management, connectedTo, Private Cloud Management>
+<Public Cloud Management, partOf, Compliance in Cloud>
+<Resource Tagging for Cost Allocation, connectedTo, Data Storage in Cloud>
+<Resource Tagging for Cost Allocation, partOf, Multi_Cloud Management>
+<Serverless Computing, connectedTo, Cloud Native Application Development>
+<Serverless Computing, partOf, Compliance in Cloud>
diff --git a/test/plantuml/graph_hard/plantuml_209.puml b/test/plantuml/graph_hard/plantuml_209.puml
new file mode 100644
index 0000000000000000000000000000000000000000..b6f2f4bfb9b7d03931103dc6c71f4f6b8e9bc541
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_209.puml
@@ -0,0 +1,77 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "API Management in Cloud" as Group0 #E8F5E9 {
+    folder "Database as a Service" as nest0_0 #FFF8E1
+    folder "Cloud Firewall Configuration" as nest0_1 #F6F6F6
+}
+rectangle "Cloud Audit Trails" as Group1 #ECEFF1 {
+    artifact "Disaster Recovery in Cloud" as nest1_0 #FFF8E1
+    artifact "Compliance in Cloud" as nest1_1 #F6F6F6
+    artifact "Multi_Cloud Management" as nest1_2 #F1F8FF
+}
+database "Cloud Automation" as N0 #F6F6F6
+folder "Cloud Backup Solutions" as N1 #F1F8FF
+node "DevOps on Cloud" as N2 #FFF8E1
+cloud "Cloud Vendor Lock_in Mitigation" as N3 #F1F8FF
+cloud "Cloud Native Application Development" as N4 #F1F8FF
+rectangle "CI or CD Pipelines in Cloud" as N5 #FFF8E1
+folder "Auto_Scaling Configurations" as N6 #FFF8E1
+folder "Big Data Services in Cloud" as N7 #F6F6F6
+node "Cloud Architecture Design" as N8 #F6F6F6
+component "Network Configuration in Cloud" as N9 #FFF8E1
+frame "Identity and Access Management" as N10 #FFF8E1
+rectangle "Machine Learning as a Service" as N11 #F6F6F6
+frame "Container Orchestration" as N12 #F1F8FF
+folder "Cloud Monitoring and Logging" as N13 #F6F6F6
+node "Public Cloud Management" as N14 #FFF8E1
+usecase "Load Balancing in Cloud" as N15 #F6F6F6
+rectangle "Virtual Machine Management" as N16 #F6F6F6
+artifact "Cloud Security" as N17 #FFF8E1
+circle " " as S0 #FFF8E1
+circle " " as S1 #F1F8FF
+circle " " as S2 #FFF8E1
+circle " " as M0 #F6F6F6
+circle " " as M1 #F1F8FF
+N0 ..[#000000]..> N1
+N1 ..[#42A5F5]..> N2
+N2 ..[#FFD54F]..> N3
+N3 -[#42A5F5]-> N4
+N4 ..[#FFD54F]..> N5
+N5 -[#42A5F5]-> N6 : configures networks
+N6 ..[#CFCFCF]..> N7
+N7 -[#42A5F5]-> N8
+N8 ..[#CFCFCF]..> N9
+N9 -[#CFCFCF]-> N10 : uses public clouds
+N10 -[#000000]-> N11
+N11 -[#42A5F5]-> N12
+N12 ..[#42A5F5]..> N13
+N13 -[#000000]-> N14
+N14 ..[#42A5F5]..> N15
+N15 ..[#000000]..> N16
+N16 ..[#CFCFCF]..> N17
+nest0_0 ..[#42A5F5]..> nest0_1
+N9 ..[#42A5F5]..> nest0_0
+nest0_1 ..[#CFCFCF]..> N10
+nest1_0 -[#000000]-> nest1_1
+nest1_1 -[#CFCFCF]-> nest1_2
+N10 ..[#42A5F5]..> nest1_0
+nest1_2 -[#000000]-> N14
+N7 -[#000000]-> S0
+S0 -[#CFCFCF]-> N17
+S0 ..[#FFD54F]..> N16
+S0 ..[#CFCFCF]..> N13
+N2 -[#CFCFCF]-> S1
+S1 -[#000000]-> N4
+S1 -[#42A5F5]-> N8
+N1 -[#CFCFCF]-> S2
+S2 -[#42A5F5]-> N11
+S2 -[#42A5F5]-> N15 : ensures governance
+N5 -[#42A5F5]-> M0
+N2 ..[#000000]..> M0
+M0 ..[#42A5F5]..> N10
+N6 -[#CFCFCF]-> M1
+N5 ..[#FFD54F]..> M1
+M1 -[#42A5F5]-> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_21.puml b/test/plantuml/graph_hard/plantuml_21.puml
new file mode 100644
index 0000000000000000000000000000000000000000..28a99238968061e6000292630d87179078005cdc
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_21.puml
@@ -0,0 +1,74 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Energy Infrastructure Planning" as Group0 #F3E5F5 {
+    rectangle "Wind Turbine Monitoring" as nest0_0 #BBDEFB
+    database "Power Plant" as nest0_1 #D7CCC8
+    frame "Oil and Gas Exploration" as nest0_2 #D7CCC8
+    folder "Energy Market Analysis" as nest0_3 #D7CCC8
+}
+rectangle "Generator Check" as Group1 #E3F2FD {
+    node "Regulatory Compliance" as nest1_0 #D1C4E9
+    cloud "Voltage Regulation" as nest1_1 #D7CCC8
+    database "Peak Shaving" as nest1_2 #BBDEFB
+    node "Solar Panel Installation" as nest1_3 #BBDEFB
+}
+rectangle "Consumption Logging" as N0 #D7CCC8
+folder "Demand Forecast" as N1 #D1C4E9
+artifact "Power Backup" as N2 #D7CCC8
+artifact "Load Distribution" as N3 #BBDEFB
+database "Grid Balancing" as N4 #D1C4E9
+frame "Circuit Breaker Operation" as N5 #D1C4E9
+database "Hydropower Generation" as N6 #D1C4E9
+rectangle "Load Shedding" as N7 #BBDEFB
+folder "Alert Dispatch" as N8 #D1C4E9
+usecase "Cybersecurity for Grid" as N9 #BBDEFB
+circle " " as S0 #D1C4E9
+circle " " as S1 #D1C4E9
+circle " " as S2 #D1C4E9
+circle " " as M0 #BBDEFB
+circle " " as M1 #D7CCC8
+circle " " as M2 #BBDEFB
+N0 ..[#000000]..> N1 : secures
+N1 -[#795548]-> N2
+N2 ..[#795548]..> N3
+N3 ..[#2196F3]..> N4
+N4 -[#795548]-> N5
+N5 -[#673AB7]-> N6
+N6 ..[#795548]..> N7
+N7 -[#673AB7]-> N8
+N8 -[#000000]-> N9
+nest0_0 -[#2196F3]-> nest0_1
+nest0_1 ..[#000000]..> nest0_2
+nest0_2 ..[#000000]..> nest0_3
+N4 -[#2196F3]-> nest0_0
+nest0_3 ..[#2196F3]..> N5
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 -[#000000]-> nest1_2
+nest1_2 -[#000000]-> nest1_3
+N7 ..[#673AB7]..> nest1_0
+nest1_3 ..[#673AB7]..> N3
+N2 -[#673AB7]-> S0
+S0 ..[#673AB7]..> N6
+S0 ..[#673AB7]..> N4 : monitors
+S0 ..[#000000]..> N8
+S0 -[#000000]-> N9
+N6 ..[#2196F3]..> S1
+S1 ..[#2196F3]..> N8
+S1 ..[#2196F3]..> N9
+N0 ..[#000000]..> S2
+S2 -[#2196F3]-> N7
+S2 ..[#795548]..> N6
+S2 ..[#2196F3]..> N9
+N5 -[#2196F3]-> M0
+N6 -[#795548]-> M0
+M0 -[#795548]-> N8
+N2 ..[#2196F3]..> M1
+N3 -[#795548]-> M1
+N0 -[#000000]-> M1
+M1 ..[#673AB7]..> N6
+N0 ..[#2196F3]..> M2
+N1 ..[#000000]..> M2
+M2 ..[#673AB7]..> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_21.txt b/test/plantuml/graph_hard/plantuml_21.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a9c5e572f0be2047f6957d6b3a5d4d5ba20f7d9d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_21.txt
@@ -0,0 +1,40 @@
+<Alert Dispatch, connectedTo, Cybersecurity for Grid>
+<Circuit Breaker Operation, connectedTo, Alert Dispatch>
+<Circuit Breaker Operation, connectedTo, Hydropower Generation>
+<Consumption Logging, connectedTo, Cybersecurity for Grid>
+<Consumption Logging, connectedTo, Hydropower Generation>
+<Consumption Logging, connectedTo, Load Distribution>
+<Consumption Logging, connectedTo, Load Shedding>
+<Consumption Logging, secures, Demand Forecast>
+<Demand Forecast, connectedTo, Load Distribution>
+<Demand Forecast, connectedTo, Power Backup>
+<Energy Market Analysis, connectedTo, Circuit Breaker Operation>
+<Energy Market Analysis, partOf, Energy Infrastructure Planning>
+<Grid Balancing, connectedTo, Circuit Breaker Operation>
+<Grid Balancing, connectedTo, Wind Turbine Monitoring>
+<Hydropower Generation, connectedTo, Alert Dispatch>
+<Hydropower Generation, connectedTo, Cybersecurity for Grid>
+<Hydropower Generation, connectedTo, Load Shedding>
+<Load Distribution, connectedTo, Grid Balancing>
+<Load Distribution, connectedTo, Hydropower Generation>
+<Load Shedding, connectedTo, Alert Dispatch>
+<Load Shedding, connectedTo, Regulatory Compliance>
+<Oil and Gas Exploration, connectedTo, Energy Market Analysis>
+<Oil and Gas Exploration, partOf, Energy Infrastructure Planning>
+<Peak Shaving, connectedTo, Solar Panel Installation>
+<Peak Shaving, partOf, Generator Check>
+<Power Backup, connectedTo, Alert Dispatch>
+<Power Backup, connectedTo, Cybersecurity for Grid>
+<Power Backup, connectedTo, Hydropower Generation>
+<Power Backup, connectedTo, Load Distribution>
+<Power Backup, monitors, Grid Balancing>
+<Power Plant, connectedTo, Oil and Gas Exploration>
+<Power Plant, partOf, Energy Infrastructure Planning>
+<Regulatory Compliance, connectedTo, Voltage Regulation>
+<Regulatory Compliance, partOf, Generator Check>
+<Solar Panel Installation, connectedTo, Load Distribution>
+<Solar Panel Installation, partOf, Generator Check>
+<Voltage Regulation, connectedTo, Peak Shaving>
+<Voltage Regulation, partOf, Generator Check>
+<Wind Turbine Monitoring, connectedTo, Power Plant>
+<Wind Turbine Monitoring, partOf, Energy Infrastructure Planning>
diff --git a/test/plantuml/graph_hard/plantuml_210.puml b/test/plantuml/graph_hard/plantuml_210.puml
new file mode 100644
index 0000000000000000000000000000000000000000..a68f03a32c3dce7b5dd46480ecdcf908670566c9
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_210.puml
@@ -0,0 +1,61 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Cloud Governance" as Group0 #F3E5F5 {
+    folder "Cost Optimization in Cloud" as nest0_0 #F5F5DC
+    folder "Cloud Firewall Configuration" as nest0_1 #C8EDFF
+}
+rectangle "Cloud Native Application Development" as Group1 #F1F8E9 {
+    database "Cloud Vendor Lock_in Mitigation" as nest1_0 #F8FDD3
+    database "Infrastructure as a Service" as nest1_1 #F8FDD3
+    folder "Hybrid Cloud Deployment" as nest1_2 #F8FDD3
+}
+artifact "Machine Learning as a Service" as N0 #F8FDD3
+component "Container Orchestration" as N1 #F8FDD3
+folder "Edge_to_Cloud Integration" as N2 #C8EDFF
+component "Resource Tagging for Cost Allocation" as N3 #C8EDFF
+cloud "Load Balancing in Cloud" as N4 #C8EDFF
+usecase "Auto_Scaling Configurations" as N5 #F5F5DC
+folder "Cloud Audit Trails" as N6 #C8EDFF
+artifact "CI or CD Pipelines in Cloud" as N7 #F8FDD3
+artifact "Network Configuration in Cloud" as N8 #F8FDD3
+folder "Database as a Service" as N9 #C8EDFF
+circle " " as S0 #F8FDD3
+circle " " as S1 #C8EDFF
+circle " " as S2 #F8FDD3
+circle " " as M0 #F8FDD3
+circle " " as M2 #F5F5DC
+N0 -[#82DAFF]-> N1
+N1 ..[#D3EB9F]..> N2
+N2 -[#BCB88A]-> N3
+N3 -[#BCB88A]-> N4
+N4 -[#BCB88A]-> N5
+N5 -[#BCB88A]-> N6 : manages load balancing
+N6 ..[#BCB88A]..> N7
+N7 ..[#D3EB9F]..> N8
+N8 ..[#000000]..> N9
+nest0_0 -[#000000]-> nest0_1
+N7 -[#82DAFF]-> nest0_0
+nest0_1 ..[#82DAFF]..> N2
+nest1_0 -[#BCB88A]-> nest1_1
+nest1_1 -[#D3EB9F]-> nest1_2
+N6 -[#000000]-> nest1_0
+nest1_2 -[#82DAFF]-> N4
+N5 ..[#D3EB9F]..> S0
+S0 -[#BCB88A]-> N7
+S0 ..[#BCB88A]..> N9
+S0 -[#000000]-> N8
+N0 -[#BCB88A]-> S1
+S1 -[#D3EB9F]-> N6
+S1 ..[#D3EB9F]..> N8
+N6 ..[#D3EB9F]..> S2
+S2 ..[#000000]..> N9
+S2 -[#BCB88A]-> N8
+N0 ..[#D3EB9F]..> M0
+N1 -[#BCB88A]-> M0
+M0 ..[#BCB88A]..> N3
+N0 ..[#000000]..> M2
+N1 -[#BCB88A]-> M2
+M2 -[#82DAFF]-> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_210.txt b/test/plantuml/graph_hard/plantuml_210.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5a037475b96b57d14ea04874dd055c5c319bc952
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_210.txt
@@ -0,0 +1,32 @@
+<Auto_Scaling Configurations, connectedTo, CI or CD Pipelines in Cloud>
+<Auto_Scaling Configurations, connectedTo, Database as a Service>
+<Auto_Scaling Configurations, connectedTo, Network Configuration in Cloud>
+<Auto_Scaling Configurations, manages load balancing, Cloud Audit Trails>
+<CI or CD Pipelines in Cloud, connectedTo, Cost Optimization in Cloud>
+<CI or CD Pipelines in Cloud, connectedTo, Network Configuration in Cloud>
+<Cloud Audit Trails, connectedTo, CI or CD Pipelines in Cloud>
+<Cloud Audit Trails, connectedTo, Cloud Vendor Lock_in Mitigation>
+<Cloud Audit Trails, connectedTo, Database as a Service>
+<Cloud Audit Trails, connectedTo, Network Configuration in Cloud>
+<Cloud Firewall Configuration, connectedTo, Edge_to_Cloud Integration>
+<Cloud Firewall Configuration, partOf, Cloud Governance>
+<Cloud Vendor Lock_in Mitigation, connectedTo, Infrastructure as a Service>
+<Cloud Vendor Lock_in Mitigation, partOf, Cloud Native Application Development>
+<Container Orchestration, connectedTo, Edge_to_Cloud Integration>
+<Container Orchestration, connectedTo, Load Balancing in Cloud>
+<Container Orchestration, connectedTo, Resource Tagging for Cost Allocation>
+<Cost Optimization in Cloud, connectedTo, Cloud Firewall Configuration>
+<Cost Optimization in Cloud, partOf, Cloud Governance>
+<Edge_to_Cloud Integration, connectedTo, Resource Tagging for Cost Allocation>
+<Hybrid Cloud Deployment, connectedTo, Load Balancing in Cloud>
+<Hybrid Cloud Deployment, partOf, Cloud Native Application Development>
+<Infrastructure as a Service, connectedTo, Hybrid Cloud Deployment>
+<Infrastructure as a Service, partOf, Cloud Native Application Development>
+<Load Balancing in Cloud, connectedTo, Auto_Scaling Configurations>
+<Machine Learning as a Service, connectedTo, Cloud Audit Trails>
+<Machine Learning as a Service, connectedTo, Container Orchestration>
+<Machine Learning as a Service, connectedTo, Load Balancing in Cloud>
+<Machine Learning as a Service, connectedTo, Network Configuration in Cloud>
+<Machine Learning as a Service, connectedTo, Resource Tagging for Cost Allocation>
+<Network Configuration in Cloud, connectedTo, Database as a Service>
+<Resource Tagging for Cost Allocation, connectedTo, Load Balancing in Cloud>
diff --git a/test/plantuml/graph_hard/plantuml_211.puml b/test/plantuml/graph_hard/plantuml_211.puml
new file mode 100644
index 0000000000000000000000000000000000000000..f4ea7d9c4052491c7dfa8b7c927a21d05cf792ec
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_211.puml
@@ -0,0 +1,74 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Access Control Systems" as Group0 #F3E5F5 {
+    database "Server Deployment" as nest0_0 #D3D7EB
+    node "Load Balancer Setup" as nest0_1 #FFF9D4
+    usecase "Power and Cooling Management" as nest0_2 #D3D7EB
+}
+rectangle "Database Administration" as Group1 #ECEFF1 {
+    folder "Remote Access Solutions" as nest1_0 #D3D7EB
+    component "Network Performance Tuning" as nest1_1 #FFDCD6
+    database "Hardware Maintenance" as nest1_2 #FFF9D4
+}
+node "VPN Configuration" as N0 #FFDCD6
+frame "Virtual Desktop Infrastructure" as N1 #FFF9D4
+usecase "Virtualization" as N2 #FFDCD6
+component "IT Asset Management" as N3 #D3D7EB
+component "Environmental Monitoring" as N4 #FFDCD6
+node "Disaster Recovery Planning" as N5 #FFF9D4
+component "User Account Management" as N6 #FFDCD6
+node "Cabling and Wiring" as N7 #FFDCD6
+folder "Hardware Procurement" as N8 #FFDCD6
+folder "System Administration" as N9 #D3D7EB
+component "Monitoring and Alerting" as N10 #FFDCD6
+database "Proxy Server Configuration" as N11 #FFDCD6
+artifact "Rack and Cabinet Management" as N12 #FFDCD6
+rectangle "Storage Solutions" as N13 #D3D7EB
+folder "Directory Services" as N14 #FFF9D4
+artifact "DNS Management" as N15 #FFF9D4
+folder "Troubleshooting and Support" as N16 #D3D7EB
+component "Firewall Management" as N17 #FFDCD6
+circle " " as S0 #FFF9D4
+circle " " as S1 #D3D7EB
+circle " " as M0 #FFDCD6
+N0 -[#8C9EFF]-> N1
+N1 -[#000000]-> N2
+N2 ..[#000000]..> N3 : integrates clouds
+N3 -[#8C9EFF]-> N4
+N4 -[#000000]-> N5
+N5 ..[#000000]..> N6
+N6 -[#FFB2A5]-> N7
+N7 -[#8C9EFF]-> N8
+N8 -[#8C9EFF]-> N9 : manages licenses
+N9 -[#FFB2A5]-> N10
+N10 -[#FFE69C]-> N11
+N11 ..[#FFB2A5]..> N12
+N12 ..[#000000]..> N13
+N13 -[#000000]-> N14
+N14 ..[#FFB2A5]..> N15
+N15 -[#8C9EFF]-> N16
+N16 ..[#FFB2A5]..> N17
+nest0_0 ..[#FFB2A5]..> nest0_1
+nest0_1 ..[#FFE69C]..> nest0_2
+N11 ..[#FFE69C]..> nest0_0
+nest0_2 ..[#FFB2A5]..> N9
+nest1_0 -[#FFE69C]-> nest1_1
+nest1_1 -[#000000]-> nest1_2
+N5 ..[#8C9EFF]..> nest1_0
+nest1_2 ..[#000000]..> N6
+N1 ..[#8C9EFF]..> S0
+S0 ..[#000000]..> N4
+S0 -[#FFB2A5]-> N6
+S0 -[#000000]-> N8
+S0 -[#FFB2A5]-> N10
+N13 ..[#8C9EFF]..> S1
+S1 -[#FFB2A5]-> N15
+S1 -[#FFE69C]-> N17
+S1 ..[#000000]..> N16
+N1 ..[#FFB2A5]..> M0
+N3 ..[#000000]..> M0
+N2 -[#FFE69C]-> M0
+M0 ..[#FFB2A5]..> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_211.txt b/test/plantuml/graph_hard/plantuml_211.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b206182314b2297b6adca081c686ffbb68473046
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_211.txt
@@ -0,0 +1,41 @@
+<Cabling and Wiring, connectedTo, Hardware Procurement>
+<DNS Management, connectedTo, Troubleshooting and Support>
+<Directory Services, connectedTo, DNS Management>
+<Disaster Recovery Planning, connectedTo, Remote Access Solutions>
+<Disaster Recovery Planning, connectedTo, User Account Management>
+<Environmental Monitoring, connectedTo, Disaster Recovery Planning>
+<Hardware Maintenance, connectedTo, User Account Management>
+<Hardware Maintenance, partOf, Database Administration>
+<Hardware Procurement, manages licenses, System Administration>
+<IT Asset Management, connectedTo, Cabling and Wiring>
+<IT Asset Management, connectedTo, Environmental Monitoring>
+<Load Balancer Setup, connectedTo, Power and Cooling Management>
+<Load Balancer Setup, partOf, Access Control Systems>
+<Monitoring and Alerting, connectedTo, Proxy Server Configuration>
+<Network Performance Tuning, connectedTo, Hardware Maintenance>
+<Network Performance Tuning, partOf, Database Administration>
+<Power and Cooling Management, connectedTo, System Administration>
+<Power and Cooling Management, partOf, Access Control Systems>
+<Proxy Server Configuration, connectedTo, Rack and Cabinet Management>
+<Proxy Server Configuration, connectedTo, Server Deployment>
+<Rack and Cabinet Management, connectedTo, Storage Solutions>
+<Remote Access Solutions, connectedTo, Network Performance Tuning>
+<Remote Access Solutions, partOf, Database Administration>
+<Server Deployment, connectedTo, Load Balancer Setup>
+<Server Deployment, partOf, Access Control Systems>
+<Storage Solutions, connectedTo, DNS Management>
+<Storage Solutions, connectedTo, Directory Services>
+<Storage Solutions, connectedTo, Firewall Management>
+<Storage Solutions, connectedTo, Troubleshooting and Support>
+<System Administration, connectedTo, Monitoring and Alerting>
+<Troubleshooting and Support, connectedTo, Firewall Management>
+<User Account Management, connectedTo, Cabling and Wiring>
+<VPN Configuration, connectedTo, Virtual Desktop Infrastructure>
+<Virtual Desktop Infrastructure, connectedTo, Cabling and Wiring>
+<Virtual Desktop Infrastructure, connectedTo, Environmental Monitoring>
+<Virtual Desktop Infrastructure, connectedTo, Hardware Procurement>
+<Virtual Desktop Infrastructure, connectedTo, Monitoring and Alerting>
+<Virtual Desktop Infrastructure, connectedTo, User Account Management>
+<Virtual Desktop Infrastructure, connectedTo, Virtualization>
+<Virtualization, connectedTo, Cabling and Wiring>
+<Virtualization, integrates clouds, IT Asset Management>
diff --git a/test/plantuml/graph_hard/plantuml_212.puml b/test/plantuml/graph_hard/plantuml_212.puml
new file mode 100644
index 0000000000000000000000000000000000000000..28b3f02ad42c3c5722d02b405cb67b711da9e9a9
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_212.puml
@@ -0,0 +1,77 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Directory Services" as Group0 #FCE4EC {
+    folder "Web Server Configuration" as nest0_0 #FFFDE7
+    rectangle "Rack and Cabinet Management" as nest0_1 #FAEBF3
+}
+rectangle "Virtualization" as Group1 #E8F5E9 {
+    frame "Remote Access Solutions" as nest1_0 #FAEBF3
+    cloud "Firewall Management" as nest1_1 #EFEBE9
+}
+artifact "Mail Server Management" as N0 #EFEBE9
+cloud "Database Administration" as N1 #EFEBE9
+database "Hardware Procurement" as N2 #EFEBE9
+usecase "Operating System Installation" as N3 #EFEBE9
+component "Capacity Planning" as N4 #FAEBF3
+rectangle "Network Security" as N5 #EFEBE9
+rectangle "Automation Scripting" as N6 #FAEBF3
+frame "Access Control Systems" as N7 #FAEBF3
+cloud "Virtual Desktop Infrastructure" as N8 #EFEBE9
+database "Cloud Integration with On_premise" as N9 #FAEBF3
+folder "Troubleshooting and Support" as N10 #FFFDE7
+folder "Disaster Recovery Planning" as N11 #FFFDE7
+artifact "Antivirus and Endpoint Protection" as N12 #FAEBF3
+usecase "System Administration" as N13 #FFFDE7
+database "Data Center Management" as N14 #FFFDE7
+usecase "Environmental Monitoring" as N15 #FAEBF3
+database "Hardware Maintenance" as N16 #FFFDE7
+database "VPN Configuration" as N17 #EFEBE9
+folder "Backup and Recovery Systems" as N18 #FFFDE7
+circle " " as S0 #FAEBF3
+circle " " as S1 #EFEBE9
+circle " " as M0 #FFFDE7
+circle " " as M1 #FFFDE7
+circle " " as M2 #FFFDE7
+N0 -[#A1887F]-> N1
+N1 ..[#A1887F]..> N2
+N2 ..[#A1887F]..> N3
+N3 -[#A1887F]-> N4
+N4 ..[#FBC02D]..> N5
+N5 ..[#000000]..> N6
+N6 -[#F7BEE0]-> N7 : performs backups
+N7 ..[#A1887F]..> N8
+N8 ..[#F7BEE0]..> N9
+N9 ..[#FBC02D]..> N10
+N10 ..[#000000]..> N11
+N11 -[#F7BEE0]-> N12 : configures firewalls
+N12 -[#FBC02D]-> N13
+N13 -[#000000]-> N14
+N14 ..[#A1887F]..> N15
+N15 ..[#000000]..> N16
+N16 ..[#A1887F]..> N17
+N17 ..[#A1887F]..> N18
+nest0_0 -[#F7BEE0]-> nest0_1
+N5 ..[#FBC02D]..> nest0_0 : monitors performance
+nest0_1 -[#FBC02D]-> N17
+nest1_0 ..[#F7BEE0]..> nest1_1
+N7 -[#F7BEE0]-> nest1_0
+nest1_1 ..[#FBC02D]..> N4
+N10 ..[#A1887F]..> S0
+S0 ..[#F7BEE0]..> N12
+S0 -[#F7BEE0]-> N17
+N5 ..[#F7BEE0]..> S1
+S1 -[#A1887F]-> N12
+S1 -[#FBC02D]-> N8
+N6 -[#FBC02D]-> M0 : secures systems
+N7 -[#A1887F]-> M0
+M0 ..[#A1887F]..> N12
+N8 -[#FBC02D]-> M1
+N0 ..[#FBC02D]..> M1 : installs racks
+M1 -[#000000]-> N10
+N3 -[#000000]-> M2
+N14 -[#A1887F]-> M2
+N1 ..[#000000]..> M2
+M2 ..[#FBC02D]..> N18
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_212.txt b/test/plantuml/graph_hard/plantuml_212.txt
new file mode 100644
index 0000000000000000000000000000000000000000..97f783dad273fd8d58df68d0e6427a0b96e15fe9
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_212.txt
@@ -0,0 +1,39 @@
+<Access Control Systems, connectedTo, Antivirus and Endpoint Protection>
+<Access Control Systems, connectedTo, Remote Access Solutions>
+<Access Control Systems, connectedTo, Virtual Desktop Infrastructure>
+<Antivirus and Endpoint Protection, connectedTo, System Administration>
+<Automation Scripting, performs backups, Access Control Systems>
+<Automation Scripting, secures systems, Antivirus and Endpoint Protection>
+<Capacity Planning, connectedTo, Network Security>
+<Cloud Integration with On_premise, connectedTo, Troubleshooting and Support>
+<Data Center Management, connectedTo, Backup and Recovery Systems>
+<Data Center Management, connectedTo, Environmental Monitoring>
+<Database Administration, connectedTo, Backup and Recovery Systems>
+<Database Administration, connectedTo, Hardware Procurement>
+<Disaster Recovery Planning, configures firewalls, Antivirus and Endpoint Protection>
+<Environmental Monitoring, connectedTo, Hardware Maintenance>
+<Firewall Management, connectedTo, Capacity Planning>
+<Firewall Management, partOf, Virtualization>
+<Hardware Maintenance, connectedTo, VPN Configuration>
+<Hardware Procurement, connectedTo, Operating System Installation>
+<Mail Server Management, connectedTo, Database Administration>
+<Mail Server Management, installs racks, Troubleshooting and Support>
+<Network Security, connectedTo, Antivirus and Endpoint Protection>
+<Network Security, connectedTo, Automation Scripting>
+<Network Security, connectedTo, Virtual Desktop Infrastructure>
+<Network Security, monitors performance, Web Server Configuration>
+<Operating System Installation, connectedTo, Backup and Recovery Systems>
+<Operating System Installation, connectedTo, Capacity Planning>
+<Rack and Cabinet Management, connectedTo, VPN Configuration>
+<Rack and Cabinet Management, partOf, Directory Services>
+<Remote Access Solutions, connectedTo, Firewall Management>
+<Remote Access Solutions, partOf, Virtualization>
+<System Administration, connectedTo, Data Center Management>
+<Troubleshooting and Support, connectedTo, Antivirus and Endpoint Protection>
+<Troubleshooting and Support, connectedTo, Disaster Recovery Planning>
+<Troubleshooting and Support, connectedTo, VPN Configuration>
+<VPN Configuration, connectedTo, Backup and Recovery Systems>
+<Virtual Desktop Infrastructure, connectedTo, Cloud Integration with On_premise>
+<Virtual Desktop Infrastructure, connectedTo, Troubleshooting and Support>
+<Web Server Configuration, connectedTo, Rack and Cabinet Management>
+<Web Server Configuration, partOf, Directory Services>
diff --git a/test/plantuml/graph_hard/plantuml_213.puml b/test/plantuml/graph_hard/plantuml_213.puml
new file mode 100644
index 0000000000000000000000000000000000000000..9ab84d157ea01f9957935cfad052910a3682db4e
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_213.puml
@@ -0,0 +1,73 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Storage Solutions" as Group0 #F1F8E9 {
+    database "Troubleshooting and Support" as nest0_0 #E8F0EA
+    component "Access Control Systems" as nest0_1 #FFF0CC
+}
+rectangle "Virtual Desktop Infrastructure" as Group1 #F1F8E9 {
+    folder "Rack and Cabinet Management" as nest1_0 #FFFDE7
+    usecase "IT Asset Management" as nest1_1 #FFFDE7
+    folder "Automation Scripting" as nest1_2 #FFF0CC
+    folder "DNS Management" as nest1_3 #FFFDE7
+}
+node "Data Center Management" as N0 #FFFDE7
+frame "Power and Cooling Management" as N1 #FFFDE7
+frame "Cloud Integration with On_premise" as N2 #FFFDE7
+folder "Operating System Installation" as N3 #E8F0EA
+cloud "Database Administration" as N4 #E8F0EA
+folder "Network Security" as N5 #FFF0CC
+database "Network Performance Tuning" as N6 #E8F0EA
+frame "User Account Management" as N7 #FFF0CC
+component "Hardware Procurement" as N8 #FFFDE7
+frame "Directory Services" as N9 #FFF0CC
+folder "Group Policy Management" as N10 #E8F0EA
+folder "Firewall Management" as N11 #FFF0CC
+artifact "Virtualization" as N12 #E8F0EA
+folder "Proxy Server Configuration" as N13 #FFF0CC
+circle " " as S0 #E8F0EA
+circle " " as S1 #FFFDE7
+circle " " as S2 #FFF0CC
+circle " " as M0 #E8F0EA
+circle " " as M1 #E8F0EA
+N0 -[#92C79A]-> N1
+N1 -[#FFCC80]-> N2
+N2 ..[#FFCC80]..> N3
+N3 -[#000000]-> N4
+N4 ..[#92C79A]..> N5
+N5 -[#FBC02D]-> N6
+N6 ..[#92C79A]..> N7
+N7 ..[#92C79A]..> N8
+N8 -[#FBC02D]-> N9
+N9 -[#92C79A]-> N10
+N10 ..[#FFCC80]..> N11
+N11 -[#FFCC80]-> N12
+N12 ..[#FBC02D]..> N13
+nest0_0 ..[#FBC02D]..> nest0_1
+N1 ..[#000000]..> nest0_0
+nest0_1 -[#000000]-> N13
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 -[#FFCC80]-> nest1_2
+nest1_2 -[#92C79A]-> nest1_3
+N1 -[#000000]-> nest1_0
+nest1_3 -[#000000]-> N2
+N5 -[#92C79A]-> S0
+S0 -[#FBC02D]-> N8
+S0 ..[#92C79A]..> N12 : manages remote access
+S0 -[#FFCC80]-> N9
+N9 ..[#FFCC80]..> S1
+S1 -[#000000]-> N13
+S1 ..[#92C79A]..> N11
+N5 -[#92C79A]-> S2
+S2 -[#FFCC80]-> N11
+S2 ..[#92C79A]..> N13
+S2 -[#000000]-> N12
+N0 -[#92C79A]-> M0
+N7 ..[#000000]..> M0
+N3 -[#000000]-> M0
+M0 ..[#000000]..> N9
+N0 ..[#000000]..> M1 : manages power
+N1 ..[#FBC02D]..> M1
+M1 -[#92C79A]-> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_213.txt b/test/plantuml/graph_hard/plantuml_213.txt
new file mode 100644
index 0000000000000000000000000000000000000000..94b5ae0ee18fca9a5a0a2674f7646fc852470760
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_213.txt
@@ -0,0 +1,40 @@
+<Access Control Systems, connectedTo, Proxy Server Configuration>
+<Access Control Systems, partOf, Storage Solutions>
+<Automation Scripting, connectedTo, DNS Management>
+<Automation Scripting, partOf, Virtual Desktop Infrastructure>
+<Cloud Integration with On_premise, connectedTo, Operating System Installation>
+<DNS Management, connectedTo, Cloud Integration with On_premise>
+<DNS Management, partOf, Virtual Desktop Infrastructure>
+<Data Center Management, connectedTo, Directory Services>
+<Data Center Management, connectedTo, Power and Cooling Management>
+<Data Center Management, manages power, Operating System Installation>
+<Database Administration, connectedTo, Network Security>
+<Directory Services, connectedTo, Firewall Management>
+<Directory Services, connectedTo, Group Policy Management>
+<Directory Services, connectedTo, Proxy Server Configuration>
+<Firewall Management, connectedTo, Virtualization>
+<Group Policy Management, connectedTo, Firewall Management>
+<Hardware Procurement, connectedTo, Directory Services>
+<IT Asset Management, connectedTo, Automation Scripting>
+<IT Asset Management, partOf, Virtual Desktop Infrastructure>
+<Network Performance Tuning, connectedTo, User Account Management>
+<Network Security, connectedTo, Directory Services>
+<Network Security, connectedTo, Firewall Management>
+<Network Security, connectedTo, Hardware Procurement>
+<Network Security, connectedTo, Network Performance Tuning>
+<Network Security, connectedTo, Proxy Server Configuration>
+<Network Security, connectedTo, Virtualization>
+<Network Security, manages remote access, Virtualization>
+<Operating System Installation, connectedTo, Database Administration>
+<Operating System Installation, connectedTo, Directory Services>
+<Power and Cooling Management, connectedTo, Cloud Integration with On_premise>
+<Power and Cooling Management, connectedTo, Operating System Installation>
+<Power and Cooling Management, connectedTo, Rack and Cabinet Management>
+<Power and Cooling Management, connectedTo, Troubleshooting and Support>
+<Rack and Cabinet Management, connectedTo, IT Asset Management>
+<Rack and Cabinet Management, partOf, Virtual Desktop Infrastructure>
+<Troubleshooting and Support, connectedTo, Access Control Systems>
+<Troubleshooting and Support, partOf, Storage Solutions>
+<User Account Management, connectedTo, Directory Services>
+<User Account Management, connectedTo, Hardware Procurement>
+<Virtualization, connectedTo, Proxy Server Configuration>
diff --git a/test/plantuml/graph_hard/plantuml_214.puml b/test/plantuml/graph_hard/plantuml_214.puml
new file mode 100644
index 0000000000000000000000000000000000000000..8aa72dd61c31a19d2c81bdb3d575aac8e20f3497
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_214.puml
@@ -0,0 +1,64 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Blue_Green Deployments" as Group0 #FBE9E7 {
+    database "Collaboration Tools" as nest0_0 #E4E0DF
+    folder "Alerting and Incident Response" as nest0_1 #E4E0DF
+}
+rectangle "Code Quality Checks" as Group1 #E0F2F1 {
+    component "Automated Deployment" as nest1_0 #EDE7F6
+    usecase "Microservices Architecture" as nest1_1 #E4E0DF
+}
+usecase "Feature Flags" as N0 #E4E0DF
+rectangle "Automated Testing" as N1 #CFD8DC
+node "ChatOps" as N2 #CFD8DC
+frame "Pipeline Automation" as N3 #EDE7F6
+database "Dynamic Application Security Testing" as N4 #CFD8DC
+folder "Feedback Loops" as N5 #CFD8DC
+frame "Monitoring and Logging" as N6 #CFD8DC
+usecase "Automated Rollbacks" as N7 #CFD8DC
+rectangle "Post_Mortem Analysis" as N8 #E4E0DF
+database "Secrets Management" as N9 #CFD8DC
+node "Cloud Native Development" as N10 #EDE7F6
+node "Configuration Management" as N11 #E4E0DF
+usecase "Site Reliability Engineering Principles" as N12 #E4E0DF
+circle " " as S0 #E4E0DF
+circle " " as S1 #EDE7F6
+circle " " as M0 #E4E0DF
+circle " " as M1 #E4E0DF
+N0 ..[#000000]..> N1
+N1 -[#BDAFA8]-> N2
+N2 -[#7E57C2]-> N3 : practices chaos engineering
+N3 ..[#000000]..> N4
+N4 -[#000000]-> N5
+N5 -[#000000]-> N6 : automates quality
+N6 ..[#000000]..> N7
+N7 ..[#BDAFA8]..> N8 : implements blue_green
+N8 ..[#000000]..> N9
+N9 -[#7E57C2]-> N10
+N10 ..[#7E57C2]..> N11
+N11 -[#607D8B]-> N12
+nest0_0 -[#7E57C2]-> nest0_1
+N11 -[#BDAFA8]-> nest0_0
+nest0_1 ..[#7E57C2]..> N12
+nest1_0 -[#000000]-> nest1_1
+N5 ..[#000000]..> nest1_0
+nest1_1 -[#BDAFA8]-> N11
+N1 -[#7E57C2]-> S0
+S0 ..[#BDAFA8]..> N8 : enables ChatOps
+S0 ..[#BDAFA8]..> N4
+S0 -[#607D8B]-> N7
+S0 -[#BDAFA8]-> N10 : performs static analysis
+N6 -[#607D8B]-> S1
+S1 -[#BDAFA8]-> N11
+S1 ..[#7E57C2]..> N12
+N1 ..[#BDAFA8]..> M0
+N2 ..[#BDAFA8]..> M0
+N0 ..[#000000]..> M0 : manages environments
+M0 ..[#BDAFA8]..> N4
+N4 -[#607D8B]-> M1
+N3 -[#BDAFA8]-> M1
+N2 -[#607D8B]-> M1
+M1 -[#000000]-> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_214.txt b/test/plantuml/graph_hard/plantuml_214.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d072e683c5afd674dce1f13508c2f4147ff98ee6
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_214.txt
@@ -0,0 +1,33 @@
+<Alerting and Incident Response, connectedTo, Site Reliability Engineering Principles>
+<Alerting and Incident Response, partOf, Blue_Green Deployments>
+<Automated Deployment, connectedTo, Microservices Architecture>
+<Automated Deployment, partOf, Code Quality Checks>
+<Automated Rollbacks, implements blue_green, Post_Mortem Analysis>
+<Automated Testing, connectedTo, Automated Rollbacks>
+<Automated Testing, connectedTo, ChatOps>
+<Automated Testing, connectedTo, Dynamic Application Security Testing>
+<Automated Testing, enables ChatOps, Post_Mortem Analysis>
+<Automated Testing, performs static analysis, Cloud Native Development>
+<ChatOps, connectedTo, Dynamic Application Security Testing>
+<ChatOps, connectedTo, Monitoring and Logging>
+<ChatOps, practices chaos engineering, Pipeline Automation>
+<Cloud Native Development, connectedTo, Configuration Management>
+<Collaboration Tools, connectedTo, Alerting and Incident Response>
+<Collaboration Tools, partOf, Blue_Green Deployments>
+<Configuration Management, connectedTo, Collaboration Tools>
+<Configuration Management, connectedTo, Site Reliability Engineering Principles>
+<Dynamic Application Security Testing, connectedTo, Feedback Loops>
+<Dynamic Application Security Testing, connectedTo, Monitoring and Logging>
+<Feature Flags, connectedTo, Automated Testing>
+<Feature Flags, manages environments, Dynamic Application Security Testing>
+<Feedback Loops, automates quality, Monitoring and Logging>
+<Feedback Loops, connectedTo, Automated Deployment>
+<Microservices Architecture, connectedTo, Configuration Management>
+<Microservices Architecture, partOf, Code Quality Checks>
+<Monitoring and Logging, connectedTo, Automated Rollbacks>
+<Monitoring and Logging, connectedTo, Configuration Management>
+<Monitoring and Logging, connectedTo, Site Reliability Engineering Principles>
+<Pipeline Automation, connectedTo, Dynamic Application Security Testing>
+<Pipeline Automation, connectedTo, Monitoring and Logging>
+<Post_Mortem Analysis, connectedTo, Secrets Management>
+<Secrets Management, connectedTo, Cloud Native Development>
diff --git a/test/plantuml/graph_hard/plantuml_215.puml b/test/plantuml/graph_hard/plantuml_215.puml
new file mode 100644
index 0000000000000000000000000000000000000000..afbeb752ad8e0cb67a46416edcc4aff1a1b83fa4
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_215.puml
@@ -0,0 +1,58 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Performance Metrics Analysis" as Group0 #FCE4EC {
+    artifact "Continuous Integration" as nest0_0 #FFE88D
+    node "Infrastructure Provisioning" as nest0_1 #E0E6E9
+    usecase "Feature Flags" as nest0_2 #E0E6E9
+    node "Chaos Engineering" as nest0_3 #FCFCE7
+}
+rectangle "Rollback Strategies" as Group1 #E8F5E9 {
+    database "Microservices Architecture" as nest1_0 #E0E6E9
+    node "Automated Deployment" as nest1_1 #E0E6E9
+}
+frame "Post_Mortem Analysis" as N0 #FFE88D
+usecase "Environment Management" as N1 #FCFCE7
+usecase "Observability Implementation" as N2 #E0E6E9
+database "Static Code Analysis" as N3 #E0E6E9
+usecase "Dynamic Application Security Testing" as N4 #FCFCE7
+component "Feedback Loops" as N5 #FFE88D
+folder "Cross_Functional Team Collaboration" as N6 #FFE88D
+folder "Security in DevOps" as N7 #FFE88D
+frame "Site Reliability Engineering Principles" as N8 #E0E6E9
+folder "GitOps" as N9 #FFE88D
+folder "ChatOps" as N10 #FFE88D
+node "Cloud Native Development" as N11 #E0E6E9
+node "Containerization" as N12 #E0E6E9
+circle " " as S0 #FCFCE7
+circle " " as M1 #E0E6E9
+N0 ..[#FFDA4E]..> N1
+N1 ..[#000000]..> N2
+N2 -[#FFDA4E]-> N3
+N3 -[#000000]-> N4
+N4 -[#DCE775]-> N5
+N5 -[#AABEC6]-> N6
+N6 -[#AABEC6]-> N7
+N7 ..[#DCE775]..> N8
+N8 -[#AABEC6]-> N9 : configures environments
+N9 ..[#FFDA4E]..> N10
+N10 ..[#AABEC6]..> N11
+N11 -[#FFDA4E]-> N12
+nest0_0 ..[#AABEC6]..> nest0_1
+nest0_1 ..[#000000]..> nest0_2
+nest0_2 ..[#DCE775]..> nest0_3
+N8 ..[#000000]..> nest0_0
+nest0_3 ..[#DCE775]..> N9
+nest1_0 ..[#000000]..> nest1_1
+N4 -[#000000]-> nest1_0
+nest1_1 ..[#000000]..> N4
+N6 -[#DCE775]-> S0
+S0 -[#AABEC6]-> N9
+S0 ..[#AABEC6]..> N11
+N2 -[#DCE775]-> M1
+N0 -[#AABEC6]-> M1
+M1 ..[#DCE775]..> N5
+nest0_2 -[#DCE775]-> N5
+N2 ..[#FFDA4E]..> N11
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_215.txt b/test/plantuml/graph_hard/plantuml_215.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0387a9f6cb9b50f277373aef641ee487e35a845a
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_215.txt
@@ -0,0 +1,32 @@
+<Automated Deployment, connectedTo, Dynamic Application Security Testing>
+<Automated Deployment, partOf, Rollback Strategies>
+<Chaos Engineering, connectedTo, GitOps>
+<Chaos Engineering, partOf, Performance Metrics Analysis>
+<ChatOps, connectedTo, Cloud Native Development>
+<Cloud Native Development, connectedTo, Containerization>
+<Continuous Integration, connectedTo, Infrastructure Provisioning>
+<Continuous Integration, partOf, Performance Metrics Analysis>
+<Cross_Functional Team Collaboration, connectedTo, Cloud Native Development>
+<Cross_Functional Team Collaboration, connectedTo, GitOps>
+<Cross_Functional Team Collaboration, connectedTo, Security in DevOps>
+<Dynamic Application Security Testing, connectedTo, Feedback Loops>
+<Dynamic Application Security Testing, connectedTo, Microservices Architecture>
+<Environment Management, connectedTo, Observability Implementation>
+<Feature Flags, connectedTo, Chaos Engineering>
+<Feature Flags, connectedTo, Feedback Loops>
+<Feature Flags, partOf, Performance Metrics Analysis>
+<Feedback Loops, connectedTo, Cross_Functional Team Collaboration>
+<GitOps, connectedTo, ChatOps>
+<Infrastructure Provisioning, connectedTo, Feature Flags>
+<Infrastructure Provisioning, partOf, Performance Metrics Analysis>
+<Microservices Architecture, connectedTo, Automated Deployment>
+<Microservices Architecture, partOf, Rollback Strategies>
+<Observability Implementation, connectedTo, Cloud Native Development>
+<Observability Implementation, connectedTo, Feedback Loops>
+<Observability Implementation, connectedTo, Static Code Analysis>
+<Post_Mortem Analysis, connectedTo, Environment Management>
+<Post_Mortem Analysis, connectedTo, Feedback Loops>
+<Security in DevOps, connectedTo, Site Reliability Engineering Principles>
+<Site Reliability Engineering Principles, configures environments, GitOps>
+<Site Reliability Engineering Principles, connectedTo, Continuous Integration>
+<Static Code Analysis, connectedTo, Dynamic Application Security Testing>
diff --git a/test/plantuml/graph_hard/plantuml_216.puml b/test/plantuml/graph_hard/plantuml_216.puml
new file mode 100644
index 0000000000000000000000000000000000000000..8ce43ca34b92918dbe0e337e9b64da976c2c7636
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_216.puml
@@ -0,0 +1,83 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Rollback Strategies" as Group0 #E3F2FD {
+    component "Performance Metrics Analysis" as nest0_0 #F3E5F5
+    artifact "Serverless Deployment" as nest0_1 #C9EFEC
+    rectangle "Cost Optimization in Cloud DevOps" as nest0_2 #C9EFEC
+}
+rectangle "Canary Releases" as Group1 #F1F8E9 {
+    component "GitOps" as nest1_0 #F3E5F5
+    folder "Observability Implementation" as nest1_1 #F3E5F5
+    usecase "Pipeline Automation" as nest1_2 #C8E6C9
+}
+artifact "Continuous Delivery" as N0 #C8E6C9
+artifact "Blue_Green Deployments" as N1 #C8E6C9
+folder "Site Reliability Engineering Principles" as N2 #F3E5F5
+frame "Release Management" as N3 #C8E6C9
+usecase "Infrastructure Provisioning" as N4 #C9EFEC
+frame "Automated Deployment" as N5 #C8E6C9
+database "Feedback Loops" as N6 #C8E6C9
+cloud "Secrets Management" as N7 #C9EFEC
+folder "Alerting and Incident Response" as N8 #F3E5F5
+folder "Immutable Infrastructure" as N9 #C9EFEC
+cloud "Security in DevOps" as N10 #F3E5F5
+cloud "Version Control" as N11 #C9EFEC
+node "Environment Management" as N12 #C9EFEC
+usecase "Microservices Architecture" as N13 #C8E6C9
+folder "Static Code Analysis" as N14 #C8E6C9
+folder "Code Quality Checks" as N15 #C8E6C9
+frame "Containerization" as N16 #C9EFEC
+circle " " as S0 #C9EFEC
+circle " " as S1 #F3E5F5
+circle " " as S2 #F3E5F5
+circle " " as M0 #C9EFEC
+circle " " as M1 #F3E5F5
+circle " " as M2 #F3E5F5
+N0 ..[#AB47BC]..> N1
+N1 -[#6FE1D5]-> N2
+N2 -[#4CAF50]-> N3
+N3 -[#AB47BC]-> N4
+N4 -[#6FE1D5]-> N5
+N5 -[#6FE1D5]-> N6
+N6 ..[#6FE1D5]..> N7
+N7 -[#000000]-> N8
+N8 ..[#000000]..> N9
+N9 -[#000000]-> N10
+N10 ..[#AB47BC]..> N11
+N11 ..[#AB47BC]..> N12 : uses GitOps
+N12 ..[#AB47BC]..> N13
+N13 ..[#6FE1D5]..> N14
+N14 ..[#000000]..> N15
+N15 -[#000000]-> N16
+nest0_0 -[#6FE1D5]-> nest0_1
+nest0_1 -[#AB47BC]-> nest0_2
+N7 ..[#000000]..> nest0_0
+nest0_2 -[#AB47BC]-> N14
+nest1_0 -[#4CAF50]-> nest1_1
+nest1_1 ..[#000000]..> nest1_2
+N2 ..[#AB47BC]..> nest1_0
+nest1_2 -[#AB47BC]-> N5
+N6 -[#AB47BC]-> S0
+S0 -[#AB47BC]-> N11
+S0 ..[#AB47BC]..> N15
+S0 ..[#000000]..> N14
+N12 -[#AB47BC]-> S1
+S1 -[#AB47BC]-> N15
+S1 -[#000000]-> N14
+N7 -[#AB47BC]-> S2
+S2 ..[#AB47BC]..> N15
+S2 ..[#AB47BC]..> N9
+N2 ..[#6FE1D5]..> M0
+N1 ..[#AB47BC]..> M0
+N3 ..[#4CAF50]..> M0
+M0 ..[#000000]..> N5
+N14 -[#AB47BC]-> M1
+N7 -[#6FE1D5]-> M1
+N0 -[#000000]-> M1
+M1 ..[#4CAF50]..> N16
+N9 ..[#6FE1D5]..> M2
+N13 ..[#4CAF50]..> M2
+M2 -[#4CAF50]-> N15
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_216.txt b/test/plantuml/graph_hard/plantuml_216.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c78f5ef9ddfd5bd08eac192f85d2a95312108c2c
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_216.txt
@@ -0,0 +1,45 @@
+<Alerting and Incident Response, connectedTo, Immutable Infrastructure>
+<Automated Deployment, connectedTo, Feedback Loops>
+<Blue_Green Deployments, connectedTo, Automated Deployment>
+<Blue_Green Deployments, connectedTo, Site Reliability Engineering Principles>
+<Code Quality Checks, connectedTo, Containerization>
+<Continuous Delivery, connectedTo, Blue_Green Deployments>
+<Continuous Delivery, connectedTo, Containerization>
+<Cost Optimization in Cloud DevOps, connectedTo, Static Code Analysis>
+<Cost Optimization in Cloud DevOps, partOf, Rollback Strategies>
+<Environment Management, connectedTo, Code Quality Checks>
+<Environment Management, connectedTo, Microservices Architecture>
+<Environment Management, connectedTo, Static Code Analysis>
+<Feedback Loops, connectedTo, Code Quality Checks>
+<Feedback Loops, connectedTo, Secrets Management>
+<Feedback Loops, connectedTo, Static Code Analysis>
+<Feedback Loops, connectedTo, Version Control>
+<GitOps, connectedTo, Observability Implementation>
+<GitOps, partOf, Canary Releases>
+<Immutable Infrastructure, connectedTo, Code Quality Checks>
+<Immutable Infrastructure, connectedTo, Security in DevOps>
+<Infrastructure Provisioning, connectedTo, Automated Deployment>
+<Microservices Architecture, connectedTo, Code Quality Checks>
+<Microservices Architecture, connectedTo, Static Code Analysis>
+<Observability Implementation, connectedTo, Pipeline Automation>
+<Observability Implementation, partOf, Canary Releases>
+<Performance Metrics Analysis, connectedTo, Serverless Deployment>
+<Performance Metrics Analysis, partOf, Rollback Strategies>
+<Pipeline Automation, connectedTo, Automated Deployment>
+<Pipeline Automation, partOf, Canary Releases>
+<Release Management, connectedTo, Automated Deployment>
+<Release Management, connectedTo, Infrastructure Provisioning>
+<Secrets Management, connectedTo, Alerting and Incident Response>
+<Secrets Management, connectedTo, Code Quality Checks>
+<Secrets Management, connectedTo, Containerization>
+<Secrets Management, connectedTo, Immutable Infrastructure>
+<Secrets Management, connectedTo, Performance Metrics Analysis>
+<Security in DevOps, connectedTo, Version Control>
+<Serverless Deployment, connectedTo, Cost Optimization in Cloud DevOps>
+<Serverless Deployment, partOf, Rollback Strategies>
+<Site Reliability Engineering Principles, connectedTo, Automated Deployment>
+<Site Reliability Engineering Principles, connectedTo, GitOps>
+<Site Reliability Engineering Principles, connectedTo, Release Management>
+<Static Code Analysis, connectedTo, Code Quality Checks>
+<Static Code Analysis, connectedTo, Containerization>
+<Version Control, uses GitOps, Environment Management>
diff --git a/test/plantuml/graph_hard/plantuml_217.puml b/test/plantuml/graph_hard/plantuml_217.puml
new file mode 100644
index 0000000000000000000000000000000000000000..64a14fc8b03c115272e584ee8dd1bc92066190e3
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_217.puml
@@ -0,0 +1,62 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Refactoring" as Group0 #E0F2F1 {
+    folder "Performance Optimization" as nest0_0 #E3F2FD
+    artifact "Testing Frameworks" as nest0_1 #E3F2FD
+}
+rectangle "Desktop Application Development" as Group1 #FFF3E0 {
+    frame "Containerization" as nest1_0 #C9EFEC
+    cloud "Coding" as nest1_1 #E3F2FD
+    rectangle "Database Design" as nest1_2 #E3F2FD
+    node "Scalability Design" as nest1_3 #EBEBEB
+}
+folder "Version Control" as N0 #E3F2FD
+folder "Unit Testing" as N1 #C9EFEC
+component "Game Development" as N2 #EBEBEB
+rectangle "System Design" as N3 #E3F2FD
+artifact "Bug Fixing" as N4 #EBEBEB
+database "Continuous Integration" as N5 #EBEBEB
+component "Embedded Systems Development" as N6 #C9EFEC
+folder "Microservices Architecture" as N7 #EBEBEB
+artifact "Mobile Application Development" as N8 #EBEBEB
+circle " " as S0 #EBEBEB
+circle " " as S1 #EBEBEB
+circle " " as M0 #E3F2FD
+circle " " as M1 #C9EFEC
+circle " " as M2 #C9EFEC
+N0 -[#000000]-> N1
+N1 -[#000000]-> N2
+N2 ..[#64B5F6]..> N3
+N3 -[#64B5F6]-> N4
+N4 ..[#64B5F6]..> N5
+N5 ..[#64B5F6]..> N6
+N6 -[#000000]-> N7
+N7 -[#000000]-> N8
+nest0_0 ..[#64B5F6]..> nest0_1
+N3 -[#6FE1D5]-> nest0_0
+nest0_1 -[#E0E0E0]-> N6
+nest1_0 ..[#6FE1D5]..> nest1_1
+nest1_1 -[#000000]-> nest1_2
+nest1_2 ..[#64B5F6]..> nest1_3
+N7 -[#64B5F6]-> nest1_0
+nest1_3 -[#64B5F6]-> N7
+N2 -[#64B5F6]-> S0
+S0 ..[#64B5F6]..> N8
+S0 ..[#E0E0E0]..> N6
+N4 ..[#64B5F6]..> S1
+S1 ..[#6FE1D5]..> N6
+S1 -[#64B5F6]-> N7
+S1 -[#E0E0E0]-> N8
+N0 -[#64B5F6]-> M0
+N2 -[#000000]-> M0
+N1 ..[#000000]..> M0
+M0 -[#6FE1D5]-> N4
+N1 ..[#6FE1D5]..> M1
+N2 ..[#64B5F6]..> M1
+M1 ..[#000000]..> N4
+N5 ..[#64B5F6]..> M2
+N1 ..[#E0E0E0]..> M2
+M2 -[#6FE1D5]-> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_217.txt b/test/plantuml/graph_hard/plantuml_217.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5d3f91ae58013b5234c0d9c20c243b1a8a1df42d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_217.txt
@@ -0,0 +1,32 @@
+<Bug Fixing, connectedTo, Continuous Integration>
+<Bug Fixing, connectedTo, Embedded Systems Development>
+<Bug Fixing, connectedTo, Microservices Architecture>
+<Bug Fixing, connectedTo, Mobile Application Development>
+<Coding, connectedTo, Database Design>
+<Coding, partOf, Desktop Application Development>
+<Containerization, connectedTo, Coding>
+<Containerization, partOf, Desktop Application Development>
+<Continuous Integration, connectedTo, Embedded Systems Development>
+<Continuous Integration, connectedTo, Microservices Architecture>
+<Database Design, connectedTo, Scalability Design>
+<Database Design, partOf, Desktop Application Development>
+<Embedded Systems Development, connectedTo, Microservices Architecture>
+<Game Development, connectedTo, Bug Fixing>
+<Game Development, connectedTo, Embedded Systems Development>
+<Game Development, connectedTo, Mobile Application Development>
+<Game Development, connectedTo, System Design>
+<Microservices Architecture, connectedTo, Containerization>
+<Microservices Architecture, connectedTo, Mobile Application Development>
+<Performance Optimization, connectedTo, Testing Frameworks>
+<Performance Optimization, partOf, Refactoring>
+<Scalability Design, connectedTo, Microservices Architecture>
+<Scalability Design, partOf, Desktop Application Development>
+<System Design, connectedTo, Bug Fixing>
+<System Design, connectedTo, Performance Optimization>
+<Testing Frameworks, connectedTo, Embedded Systems Development>
+<Testing Frameworks, partOf, Refactoring>
+<Unit Testing, connectedTo, Bug Fixing>
+<Unit Testing, connectedTo, Game Development>
+<Unit Testing, connectedTo, Microservices Architecture>
+<Version Control, connectedTo, Bug Fixing>
+<Version Control, connectedTo, Unit Testing>
diff --git a/test/plantuml/graph_hard/plantuml_218.puml b/test/plantuml/graph_hard/plantuml_218.puml
new file mode 100644
index 0000000000000000000000000000000000000000..04e4f06ebb767cab9422bb7bf540c40d8c610f1d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_218.puml
@@ -0,0 +1,61 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Unit Testing" as Group0 #FFF3E0 {
+    folder "Compiler Design" as nest0_0 #FCFCE7
+    frame "Coding" as nest0_1 #D3F7F9
+    frame "Version Control" as nest0_2 #FCFCE7
+}
+rectangle "Operating System Development" as Group1 #E8F5E9 {
+    frame "Frontend Development" as nest1_0 #D3F7F9
+    node "Deployment" as nest1_1 #D3F7F9
+    artifact "Maintenance" as nest1_2 #D3F7F9
+}
+node "Code Review" as N0 #FCFCE7
+component "User Interface Design" as N1 #D3F7F9
+folder "Agile Methodologies" as N2 #FCFCE7
+folder "Testing Frameworks" as N3 #D6D9F0
+usecase "Continuous Integration" as N4 #D6D9F0
+rectangle "User Experience Design" as N5 #FCFCE7
+cloud "Containerization" as N6 #D3F7F9
+folder "Security Hardening" as N7 #FCFCE7
+folder "Microservices Architecture" as N8 #D6D9F0
+circle " " as S0 #D6D9F0
+circle " " as S1 #D6D9F0
+circle " " as M0 #D3F7F9
+circle " " as M1 #FCFCE7
+circle " " as M2 #D3F7F9
+N0 -[#80DDEA]-> N1
+N1 ..[#DCE775]..> N2
+N2 -[#80DDEA]-> N3
+N3 -[#DCE775]-> N4
+N4 ..[#000000]..> N5
+N5 ..[#9FA9E1]..> N6 : creates mobile apps
+N6 ..[#9FA9E1]..> N7
+N7 ..[#000000]..> N8
+nest0_0 -[#9FA9E1]-> nest0_1
+nest0_1 ..[#9FA9E1]..> nest0_2
+N1 ..[#DCE775]..> nest0_0
+nest0_2 -[#DCE775]-> N7
+nest1_0 -[#80DDEA]-> nest1_1
+nest1_1 -[#9FA9E1]-> nest1_2
+N5 -[#DCE775]-> nest1_0
+nest1_2 -[#DCE775]-> N7
+N2 -[#000000]-> S0
+S0 -[#80DDEA]-> N5 : tests systems
+S0 ..[#DCE775]..> N7
+N0 -[#DCE775]-> S1
+S1 -[#80DDEA]-> N7
+S1 ..[#9FA9E1]..> N4 : creates UIs
+S1 ..[#9FA9E1]..> N3
+N1 -[#9FA9E1]-> M0
+N3 ..[#9FA9E1]..> M0
+M0 ..[#DCE775]..> N5
+N1 -[#DCE775]-> M1
+N3 ..[#80DDEA]..> M1
+M1 ..[#80DDEA]..> N6
+N3 -[#80DDEA]-> M2
+N2 ..[#DCE775]..> M2
+M2 -[#000000]-> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_218.txt b/test/plantuml/graph_hard/plantuml_218.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c384f4b3cb5972d75a3fd6a2b0c17caba8e3f6bc
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_218.txt
@@ -0,0 +1,32 @@
+<Agile Methodologies, connectedTo, Security Hardening>
+<Agile Methodologies, connectedTo, Testing Frameworks>
+<Agile Methodologies, connectedTo, User Experience Design>
+<Agile Methodologies, tests systems, User Experience Design>
+<Code Review, connectedTo, Security Hardening>
+<Code Review, connectedTo, Testing Frameworks>
+<Code Review, connectedTo, User Interface Design>
+<Code Review, creates UIs, Continuous Integration>
+<Coding, connectedTo, Version Control>
+<Coding, partOf, Unit Testing>
+<Compiler Design, connectedTo, Coding>
+<Compiler Design, partOf, Unit Testing>
+<Containerization, connectedTo, Security Hardening>
+<Continuous Integration, connectedTo, User Experience Design>
+<Deployment, connectedTo, Maintenance>
+<Deployment, partOf, Operating System Development>
+<Frontend Development, connectedTo, Deployment>
+<Frontend Development, partOf, Operating System Development>
+<Maintenance, connectedTo, Security Hardening>
+<Maintenance, partOf, Operating System Development>
+<Security Hardening, connectedTo, Microservices Architecture>
+<Testing Frameworks, connectedTo, Containerization>
+<Testing Frameworks, connectedTo, Continuous Integration>
+<Testing Frameworks, connectedTo, User Experience Design>
+<User Experience Design, connectedTo, Frontend Development>
+<User Experience Design, creates mobile apps, Containerization>
+<User Interface Design, connectedTo, Agile Methodologies>
+<User Interface Design, connectedTo, Compiler Design>
+<User Interface Design, connectedTo, Containerization>
+<User Interface Design, connectedTo, User Experience Design>
+<Version Control, connectedTo, Security Hardening>
+<Version Control, partOf, Unit Testing>
diff --git a/test/plantuml/graph_hard/plantuml_219.puml b/test/plantuml/graph_hard/plantuml_219.puml
new file mode 100644
index 0000000000000000000000000000000000000000..8a8f198bf80c219d2ad888528b22df2ce4904d24
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_219.puml
@@ -0,0 +1,82 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Scalability Design" as Group0 #FBE9E7 {
+    component "System Testing" as nest0_0 #DDCEDD
+    component "Maintenance" as nest0_1 #DDCEDD
+    folder "User Interface Design" as nest0_2 #DDCEDD
+    folder "Performance Optimization" as nest0_3 #DDCEDD
+}
+rectangle "Web Application Development" as Group1 #ECEFF1 {
+    database "Database Design" as nest1_0 #DDCEDD
+    folder "Requirements Gathering" as nest1_1 #CADEDE
+    usecase "Microservices Architecture" as nest1_2 #F3E5F5
+    folder "Containerization" as nest1_3 #DDCEDD
+}
+database "User Experience Design" as N0 #F3E5F5
+cloud "Documentation" as N1 #F3E5F5
+database "Integration Testing" as N2 #F3E5F5
+database "Embedded Systems Development" as N3 #DDCEDD
+frame "Coding" as N4 #CADEDE
+folder "Version Control" as N5 #CADEDE
+folder "Continuous Delivery" as N6 #CADEDE
+folder "System Design" as N7 #CADEDE
+usecase "Unit Testing" as N8 #F3E5F5
+rectangle "Algorithm Design" as N9 #DDCEDD
+node "Architecture Planning" as N10 #DDCEDD
+node "API Development" as N11 #DDCEDD
+cloud "Desktop Application Development" as N12 #F3E5F5
+artifact "Mobile Application Development" as N13 #F3E5F5
+folder "Refactoring" as N14 #CADEDE
+frame "Technical Debt Management" as N15 #F3E5F5
+usecase "Deployment" as N16 #F3E5F5
+circle " " as S0 #CADEDE
+circle " " as S1 #F3E5F5
+circle " " as M0 #CADEDE
+circle " " as M1 #F3E5F5
+circle " " as M2 #F3E5F5
+N0 ..[#94C0C0]..> N1
+N1 -[#AF56A6]-> N2 : writes unit tests
+N2 -[#000000]-> N3
+N3 ..[#BA68C8]..> N4
+N4 ..[#000000]..> N5
+N5 ..[#BA68C8]..> N6
+N6 -[#94C0C0]-> N7
+N7 ..[#BA68C8]..> N8 : implements security
+N8 -[#000000]-> N9
+N9 -[#000000]-> N10 : maintains code
+N10 ..[#94C0C0]..> N11
+N11 ..[#AF56A6]..> N12
+N12 ..[#BA68C8]..> N13
+N13 ..[#000000]..> N14
+N14 -[#BA68C8]-> N15
+N15 ..[#94C0C0]..> N16
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 -[#AF56A6]-> nest0_2
+nest0_2 -[#94C0C0]-> nest0_3
+N2 -[#94C0C0]-> nest0_0
+nest0_3 ..[#AF56A6]..> N11
+nest1_0 ..[#94C0C0]..> nest1_1
+nest1_1 -[#AF56A6]-> nest1_2
+nest1_2 ..[#94C0C0]..> nest1_3 : creates mobile apps
+N9 ..[#BA68C8]..> nest1_0
+nest1_3 -[#94C0C0]-> N2
+N2 -[#AF56A6]-> S0
+S0 -[#94C0C0]-> N14
+S0 ..[#BA68C8]..> N16
+N7 -[#BA68C8]-> S1
+S1 -[#94C0C0]-> N12
+S1 ..[#000000]..> N16
+N0 -[#BA68C8]-> M0
+N1 ..[#000000]..> M0
+M0 ..[#000000]..> N3
+N0 ..[#94C0C0]..> M1
+N2 -[#94C0C0]-> M1
+N1 -[#BA68C8]-> M1
+M1 ..[#94C0C0]..> N5
+N3 ..[#94C0C0]..> M2
+N13 -[#000000]-> M2
+N12 ..[#94C0C0]..> M2
+M2 -[#000000]-> N15
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_219.txt b/test/plantuml/graph_hard/plantuml_219.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2dac30e6305dd7818a0659d946314d4e38f1df8f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_219.txt
@@ -0,0 +1,46 @@
+<API Development, connectedTo, Desktop Application Development>
+<Algorithm Design, connectedTo, Database Design>
+<Algorithm Design, maintains code, Architecture Planning>
+<Architecture Planning, connectedTo, API Development>
+<Coding, connectedTo, Version Control>
+<Containerization, connectedTo, Integration Testing>
+<Containerization, partOf, Web Application Development>
+<Continuous Delivery, connectedTo, System Design>
+<Database Design, connectedTo, Requirements Gathering>
+<Database Design, partOf, Web Application Development>
+<Desktop Application Development, connectedTo, Mobile Application Development>
+<Desktop Application Development, connectedTo, Technical Debt Management>
+<Documentation, connectedTo, Embedded Systems Development>
+<Documentation, connectedTo, Version Control>
+<Documentation, writes unit tests, Integration Testing>
+<Embedded Systems Development, connectedTo, Coding>
+<Embedded Systems Development, connectedTo, Technical Debt Management>
+<Integration Testing, connectedTo, Deployment>
+<Integration Testing, connectedTo, Embedded Systems Development>
+<Integration Testing, connectedTo, Refactoring>
+<Integration Testing, connectedTo, System Testing>
+<Integration Testing, connectedTo, Version Control>
+<Maintenance, connectedTo, User Interface Design>
+<Maintenance, partOf, Scalability Design>
+<Microservices Architecture, creates mobile apps, Containerization>
+<Microservices Architecture, partOf, Web Application Development>
+<Mobile Application Development, connectedTo, Refactoring>
+<Mobile Application Development, connectedTo, Technical Debt Management>
+<Performance Optimization, connectedTo, API Development>
+<Performance Optimization, partOf, Scalability Design>
+<Refactoring, connectedTo, Technical Debt Management>
+<Requirements Gathering, connectedTo, Microservices Architecture>
+<Requirements Gathering, partOf, Web Application Development>
+<System Design, connectedTo, Deployment>
+<System Design, connectedTo, Desktop Application Development>
+<System Design, implements security, Unit Testing>
+<System Testing, connectedTo, Maintenance>
+<System Testing, partOf, Scalability Design>
+<Technical Debt Management, connectedTo, Deployment>
+<Unit Testing, connectedTo, Algorithm Design>
+<User Experience Design, connectedTo, Documentation>
+<User Experience Design, connectedTo, Embedded Systems Development>
+<User Experience Design, connectedTo, Version Control>
+<User Interface Design, connectedTo, Performance Optimization>
+<User Interface Design, partOf, Scalability Design>
+<Version Control, connectedTo, Continuous Delivery>
diff --git a/test/plantuml/graph_hard/plantuml_22.puml b/test/plantuml/graph_hard/plantuml_22.puml
new file mode 100644
index 0000000000000000000000000000000000000000..a6c90de303beee48b85c6f677ee3263c6968da73
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_22.puml
@@ -0,0 +1,79 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Appeal Submission" as Group0 #ECEFF1 {
+    rectangle "Trademark Registration" as nest0_0 #C8E6C9
+    rectangle "Amicus Brief Submission" as nest0_1 #C8E6C9
+}
+rectangle "Enforcement" as Group1 #E3F2FD {
+    database "Child Custody" as nest1_0 #C8E6C9
+    component "Sentencing" as nest1_1 #C8E6C9
+}
+usecase "Settlement Negotiation" as N0 #FFF9C4
+cloud "Bail Hearing" as N1 #C8E6C9
+folder "Immigration Petition" as N2 #C8E6C9
+frame "Judgment Writing" as N3 #FFF9C4
+database "Closing Argument" as N4 #C8E6C9
+folder "Witness Testimony" as N5 #C8E6C9
+frame "Cross_Examination" as N6 #FFF9C4
+frame "Estate Planning" as N7 #FFF9C4
+usecase "Copyright Infringement" as N8 #FFF9C4
+database "Legal Research" as N9 #FFF9C4
+artifact "Legal Consultation" as N10 #FFF9C4
+folder "Court Order Execution" as N11 #C8E6C9
+folder "Legal Aid Assistance" as N12 #C8E6C9
+folder "Regulatory Compliance Review" as N13 #C8E6C9
+folder "Intel Property Licensing" as N14 #FFF9C4
+folder "Pro Bono Work" as N15 #C8E6C9
+frame "Jury Selection" as N16 #C8E6C9
+artifact "Pre_Trial Hearing" as N17 #C8E6C9
+component "Document Drafting" as N18 #C8E6C9
+folder "Patent Application" as N19 #FFF9C4
+circle " " as S0 #C8E6C9
+circle " " as S1 #C8E6C9
+circle " " as S2 #FFF9C4
+circle " " as M1 #FFF9C4
+N0 -[#388E3C]-> N1
+N1 -[#4CAF50]-> N2
+N2 ..[#4CAF50]..> N3 : researches
+N3 -[#000000]-> N4
+N4 -[#000000]-> N5
+N5 ..[#FFEB3B]..> N6
+N6 -[#FFEB3B]-> N7
+N7 ..[#000000]..> N8 : advises
+N8 ..[#FFEB3B]..> N9
+N9 -[#388E3C]-> N10
+N10 -[#FFEB3B]-> N11
+N11 ..[#FFEB3B]..> N12
+N12 ..[#000000]..> N13
+N13 -[#FFEB3B]-> N14
+N14 ..[#FFEB3B]..> N15
+N15 -[#388E3C]-> N16
+N16 ..[#4CAF50]..> N17
+N17 ..[#388E3C]..> N18
+N18 ..[#4CAF50]..> N19
+nest0_0 -[#000000]-> nest0_1
+N3 -[#388E3C]-> nest0_0 : litigates
+nest0_1 ..[#4CAF50]..> N17
+nest1_0 -[#4CAF50]-> nest1_1
+N9 ..[#FFEB3B]..> nest1_0
+nest1_1 -[#388E3C]-> N15 : represents
+N12 ..[#000000]..> S0
+S0 -[#000000]-> N16
+S0 ..[#000000]..> N15 : mediates
+S0 -[#000000]-> N17
+N12 ..[#4CAF50]..> S1
+S1 ..[#388E3C]..> N15
+S1 -[#FFEB3B]-> N19
+N5 ..[#FFEB3B]..> S2
+S2 -[#FFEB3B]-> N12
+S2 -[#388E3C]-> N13
+S2 ..[#000000]..> N18
+S2 ..[#000000]..> N11
+N9 ..[#388E3C]..> M1
+N4 -[#4CAF50]-> M1
+N10 ..[#FFEB3B]..> M1
+N8 ..[#FFEB3B]..> M1
+M1 ..[#4CAF50]..> N14
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_22.txt b/test/plantuml/graph_hard/plantuml_22.txt
new file mode 100644
index 0000000000000000000000000000000000000000..371b9456f009bb2e76531f9181c92660cc36b618
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_22.txt
@@ -0,0 +1,42 @@
+<Amicus Brief Submission, connectedTo, Pre_Trial Hearing>
+<Amicus Brief Submission, partOf, Appeal Submission>
+<Bail Hearing, connectedTo, Immigration Petition>
+<Child Custody, connectedTo, Sentencing>
+<Child Custody, partOf, Enforcement>
+<Closing Argument, connectedTo, Intel Property Licensing>
+<Closing Argument, connectedTo, Witness Testimony>
+<Copyright Infringement, connectedTo, Intel Property Licensing>
+<Copyright Infringement, connectedTo, Legal Research>
+<Court Order Execution, connectedTo, Legal Aid Assistance>
+<Cross_Examination, connectedTo, Estate Planning>
+<Document Drafting, connectedTo, Patent Application>
+<Estate Planning, advises, Copyright Infringement>
+<Immigration Petition, researches, Judgment Writing>
+<Intel Property Licensing, connectedTo, Pro Bono Work>
+<Judgment Writing, connectedTo, Closing Argument>
+<Judgment Writing, litigates, Trademark Registration>
+<Jury Selection, connectedTo, Pre_Trial Hearing>
+<Legal Aid Assistance, connectedTo, Jury Selection>
+<Legal Aid Assistance, connectedTo, Patent Application>
+<Legal Aid Assistance, connectedTo, Pre_Trial Hearing>
+<Legal Aid Assistance, connectedTo, Pro Bono Work>
+<Legal Aid Assistance, connectedTo, Regulatory Compliance Review>
+<Legal Aid Assistance, mediates, Pro Bono Work>
+<Legal Consultation, connectedTo, Court Order Execution>
+<Legal Consultation, connectedTo, Intel Property Licensing>
+<Legal Research, connectedTo, Child Custody>
+<Legal Research, connectedTo, Intel Property Licensing>
+<Legal Research, connectedTo, Legal Consultation>
+<Pre_Trial Hearing, connectedTo, Document Drafting>
+<Pro Bono Work, connectedTo, Jury Selection>
+<Regulatory Compliance Review, connectedTo, Intel Property Licensing>
+<Sentencing, partOf, Enforcement>
+<Sentencing, represents, Pro Bono Work>
+<Settlement Negotiation, connectedTo, Bail Hearing>
+<Trademark Registration, connectedTo, Amicus Brief Submission>
+<Trademark Registration, partOf, Appeal Submission>
+<Witness Testimony, connectedTo, Court Order Execution>
+<Witness Testimony, connectedTo, Cross_Examination>
+<Witness Testimony, connectedTo, Document Drafting>
+<Witness Testimony, connectedTo, Legal Aid Assistance>
+<Witness Testimony, connectedTo, Regulatory Compliance Review>
diff --git a/test/plantuml/graph_hard/plantuml_220.puml b/test/plantuml/graph_hard/plantuml_220.puml
new file mode 100644
index 0000000000000000000000000000000000000000..f2e713c9318cfb4caa42364873792ddb8c251366
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_220.puml
@@ -0,0 +1,66 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Intellectual Property Protection" as Group0 #F1F8E9 {
+    folder "Sensor Integration" as nest0_0 #F9FBE7
+    frame "Reverse Engineering" as nest0_1 #FFF9D4
+}
+rectangle "Test Fixture Design" as Group1 #FBE9E7 {
+    artifact "High_Speed Digital Design" as nest1_0 #E4E0DF
+    frame "Optical Module Design" as nest1_1 #FFF9D4
+    artifact "Supply Chain Management for Components" as nest1_2 #FFF9D4
+    database "Quality Control" as nest1_3 #F9FBE7
+}
+component "Prototyping" as N0 #F9FBE7
+database "Regulatory Compliance" as N1 #F9FBE7
+rectangle "Cost Optimization" as N2 #E4E0DF
+folder "Actuator Control" as N3 #FFF9D4
+component "FPGA Design" as N4 #FFF9D4
+usecase "ASIC Design" as N5 #F9FBE7
+frame "Component Selection" as N6 #FFF9D4
+usecase "Reliability Testing" as N7 #FFF9D4
+component "RF Circuit Design" as N8 #FFF9D4
+component "Electromagnetic Compatibility Testing" as N9 #FFF9D4
+database "Microcontroller Programming" as N10 #E4E0DF
+usecase "Signal Integrity Analysis" as N11 #F9FBE7
+frame "Power Integrity Analysis" as N12 #F9FBE7
+circle " " as S1 #F9FBE7
+circle " " as M0 #FFF9D4
+circle " " as M1 #E4E0DF
+circle " " as M2 #F9FBE7
+N0 -[#BDAFA8]-> N1
+N1 -[#000000]-> N2
+N2 -[#FFE69C]-> N3
+N3 -[#C0CA33]-> N4
+N4 ..[#C0CA33]..> N5
+N5 -[#000000]-> N6
+N6 -[#FFE69C]-> N7
+N7 ..[#000000]..> N8
+N8 -[#FFE69C]-> N9
+N9 ..[#000000]..> N10
+N10 -[#000000]-> N11
+N11 -[#C0CA33]-> N12
+nest0_0 -[#FFE69C]-> nest0_1
+N4 -[#BDAFA8]-> nest0_0
+nest0_1 ..[#000000]..> N4
+nest1_0 ..[#BDAFA8]..> nest1_1
+nest1_1 ..[#000000]..> nest1_2
+nest1_2 -[#C0CA33]-> nest1_3
+N5 -[#FFE69C]-> nest1_0
+nest1_3 ..[#000000]..> N12
+N1 -[#C0CA33]-> S1
+S1 -[#FFE69C]-> N9
+S1 -[#C0CA33]-> N6
+S1 ..[#C0CA33]..> N3
+N8 -[#FFE69C]-> M0
+N7 -[#000000]-> M0
+N1 ..[#FFE69C]..> M0
+M0 -[#000000]-> N10
+N0 ..[#000000]..> M1
+N1 ..[#C0CA33]..> M1
+M1 -[#C0CA33]-> N3
+N6 ..[#C0CA33]..> M2
+N1 ..[#FFE69C]..> M2
+M2 -[#C0CA33]-> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_220.txt b/test/plantuml/graph_hard/plantuml_220.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2dfb2e7d1f9d1951a6841e0cfe312f3d638aa1ce
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_220.txt
@@ -0,0 +1,34 @@
+<ASIC Design, connectedTo, Component Selection>
+<ASIC Design, connectedTo, High_Speed Digital Design>
+<Actuator Control, connectedTo, FPGA Design>
+<Component Selection, connectedTo, Electromagnetic Compatibility Testing>
+<Component Selection, connectedTo, Reliability Testing>
+<Cost Optimization, connectedTo, Actuator Control>
+<Electromagnetic Compatibility Testing, connectedTo, Microcontroller Programming>
+<FPGA Design, connectedTo, ASIC Design>
+<FPGA Design, connectedTo, Sensor Integration>
+<High_Speed Digital Design, connectedTo, Optical Module Design>
+<High_Speed Digital Design, partOf, Test Fixture Design>
+<Microcontroller Programming, connectedTo, Signal Integrity Analysis>
+<Optical Module Design, connectedTo, Supply Chain Management for Components>
+<Optical Module Design, partOf, Test Fixture Design>
+<Prototyping, connectedTo, Actuator Control>
+<Prototyping, connectedTo, Regulatory Compliance>
+<Quality Control, connectedTo, Power Integrity Analysis>
+<Quality Control, partOf, Test Fixture Design>
+<RF Circuit Design, connectedTo, Electromagnetic Compatibility Testing>
+<RF Circuit Design, connectedTo, Microcontroller Programming>
+<Regulatory Compliance, connectedTo, Actuator Control>
+<Regulatory Compliance, connectedTo, Component Selection>
+<Regulatory Compliance, connectedTo, Cost Optimization>
+<Regulatory Compliance, connectedTo, Electromagnetic Compatibility Testing>
+<Regulatory Compliance, connectedTo, Microcontroller Programming>
+<Reliability Testing, connectedTo, Microcontroller Programming>
+<Reliability Testing, connectedTo, RF Circuit Design>
+<Reverse Engineering, connectedTo, FPGA Design>
+<Reverse Engineering, partOf, Intellectual Property Protection>
+<Sensor Integration, connectedTo, Reverse Engineering>
+<Sensor Integration, partOf, Intellectual Property Protection>
+<Signal Integrity Analysis, connectedTo, Power Integrity Analysis>
+<Supply Chain Management for Components, connectedTo, Quality Control>
+<Supply Chain Management for Components, partOf, Test Fixture Design>
diff --git a/test/plantuml/graph_hard/plantuml_221.puml b/test/plantuml/graph_hard/plantuml_221.puml
new file mode 100644
index 0000000000000000000000000000000000000000..b095871da91d9ecd565f2f2f430bcf799d6772c4
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_221.puml
@@ -0,0 +1,62 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Troubleshooting and Debugging" as Group0 #E0F2F1 {
+    node "Assembly Line Optimization" as nest0_0 #EDE7F6
+    folder "RF Circuit Design" as nest0_1 #F9FBE7
+    frame "Quality Control" as nest0_2 #CFD8DC
+    artifact "Signal Integrity Analysis" as nest0_3 #F9FBE7
+}
+rectangle "Reliability Testing" as Group1 #EDE7F6 {
+    artifact "PCB Layout" as nest1_0 #EDE7F6
+    folder "Supply Chain Management for Components" as nest1_1 #F9FBE7
+}
+component "Material Selection" as N0 #EDE7F6
+rectangle "Manufacturing Process Planning" as N1 #EDE7F6
+component "Power Management Design" as N2 #EDE7F6
+folder "Prototyping" as N3 #CFD8DC
+folder "Test Fixture Design" as N4 #CFD8DC
+folder "Firmware Development" as N5 #F9FBE7
+usecase "Schematic Capture" as N6 #EDE7F6
+folder "Actuator Control" as N7 #F9FBE7
+cloud "Regulatory Compliance" as N8 #F9FBE7
+usecase "Mechanical Design Integration" as N9 #F9FBE7
+artifact "Documentation" as N10 #EDE7F6
+circle " " as S0 #F9FBE7
+circle " " as S1 #EDE7F6
+circle " " as M0 #EDE7F6
+circle " " as M1 #EDE7F6
+N0 -[#C0CA33]-> N1
+N1 -[#000000]-> N2
+N2 ..[#607D8B]..> N3 : ensures reliability
+N3 ..[#C0CA33]..> N4
+N4 ..[#000000]..> N5 : designs mixed_signal
+N5 -[#C0CA33]-> N6 : optimizes for low power
+N6 ..[#000000]..> N7
+N7 -[#000000]-> N8
+N8 -[#C0CA33]-> N9
+N9 ..[#C0CA33]..> N10
+nest0_0 -[#607D8B]-> nest0_1
+nest0_1 ..[#000000]..> nest0_2
+nest0_2 ..[#000000]..> nest0_3
+N3 -[#7E57C2]-> nest0_0 : develops RF systems
+nest0_3 -[#607D8B]-> N10
+nest1_0 -[#000000]-> nest1_1
+N8 -[#000000]-> nest1_0
+nest1_1 -[#7E57C2]-> N4
+N1 ..[#607D8B]..> S0
+S0 -[#607D8B]-> N6
+S0 ..[#607D8B]..> N8
+S0 ..[#C0CA33]..> N10
+N0 ..[#607D8B]..> S1
+S1 ..[#C0CA33]..> N9
+S1 ..[#000000]..> N6
+N0 -[#607D8B]-> M0
+N2 ..[#C0CA33]..> M0 : designs mechanicals
+M0 -[#7E57C2]-> N4
+N2 ..[#000000]..> M1
+N1 -[#7E57C2]-> M1
+N0 -[#C0CA33]-> M1
+M1 -[#000000]-> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_221.txt b/test/plantuml/graph_hard/plantuml_221.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f922c765fb625715f273005d47d755873b0db629
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_221.txt
@@ -0,0 +1,33 @@
+<Actuator Control, connectedTo, Regulatory Compliance>
+<Assembly Line Optimization, connectedTo, RF Circuit Design>
+<Assembly Line Optimization, partOf, Troubleshooting and Debugging>
+<Firmware Development, optimizes for low power, Schematic Capture>
+<Manufacturing Process Planning, connectedTo, Documentation>
+<Manufacturing Process Planning, connectedTo, Power Management Design>
+<Manufacturing Process Planning, connectedTo, Regulatory Compliance>
+<Manufacturing Process Planning, connectedTo, Schematic Capture>
+<Manufacturing Process Planning, connectedTo, Test Fixture Design>
+<Material Selection, connectedTo, Manufacturing Process Planning>
+<Material Selection, connectedTo, Mechanical Design Integration>
+<Material Selection, connectedTo, Schematic Capture>
+<Material Selection, connectedTo, Test Fixture Design>
+<Mechanical Design Integration, connectedTo, Documentation>
+<PCB Layout, connectedTo, Supply Chain Management for Components>
+<PCB Layout, partOf, Reliability Testing>
+<Power Management Design, connectedTo, Test Fixture Design>
+<Power Management Design, designs mechanicals, Test Fixture Design>
+<Power Management Design, ensures reliability, Prototyping>
+<Prototyping, connectedTo, Test Fixture Design>
+<Prototyping, develops RF systems, Assembly Line Optimization>
+<Quality Control, connectedTo, Signal Integrity Analysis>
+<Quality Control, partOf, Troubleshooting and Debugging>
+<RF Circuit Design, connectedTo, Quality Control>
+<RF Circuit Design, partOf, Troubleshooting and Debugging>
+<Regulatory Compliance, connectedTo, Mechanical Design Integration>
+<Regulatory Compliance, connectedTo, PCB Layout>
+<Schematic Capture, connectedTo, Actuator Control>
+<Signal Integrity Analysis, connectedTo, Documentation>
+<Signal Integrity Analysis, partOf, Troubleshooting and Debugging>
+<Supply Chain Management for Components, connectedTo, Test Fixture Design>
+<Supply Chain Management for Components, partOf, Reliability Testing>
+<Test Fixture Design, designs mixed_signal, Firmware Development>
diff --git a/test/plantuml/graph_hard/plantuml_222.puml b/test/plantuml/graph_hard/plantuml_222.puml
new file mode 100644
index 0000000000000000000000000000000000000000..ee71ba698f63e3958a2603a225a5258ed08261f7
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_222.puml
@@ -0,0 +1,72 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Intellectual Property Protection" as Group0 #FCE4EC {
+    component "ASIC Design" as nest0_0 #E6EE9C
+    folder "Power Integrity Analysis" as nest0_1 #E6EE9C
+}
+rectangle "Power Management Design" as Group1 #E8F5E9 {
+    rectangle "Reliability Testing" as nest1_0 #C9EFEC
+    cloud "FPGA Design" as nest1_1 #C9EFEC
+}
+node "Signal Integrity Analysis" as N0 #E6EE9C
+component "Mixed_Signal Design" as N1 #C9EFEC
+folder "Optical Module Design" as N2 #C9EFEC
+artifact "Assembly Line Optimization" as N3 #C9EFEC
+node "Low_Power Design" as N4 #E6EE9C
+artifact "Enclosure Design" as N5 #F9FBE7
+folder "Prototyping" as N6 #E6EE9C
+usecase "Testing and Validation" as N7 #F9FBE7
+database "Firmware Development" as N8 #C9EFEC
+node "Quality Control" as N9 #C9EFEC
+database "Supply Chain Management for Components" as N10 #C9EFEC
+cloud "Schematic Capture" as N11 #E6EE9C
+folder "Documentation" as N12 #C9EFEC
+cloud "Microcontroller Programming" as N13 #F9FBE7
+circle " " as S0 #C9EFEC
+circle " " as S1 #C9EFEC
+circle " " as S2 #C9EFEC
+circle " " as M0 #F9FBE7
+circle " " as M1 #C9EFEC
+circle " " as M2 #C9EFEC
+N0 -[#000000]-> N1
+N1 ..[#000000]..> N2 : controls actuators
+N2 -[#6FE1D5]-> N3
+N3 ..[#C0CA33]..> N4
+N4 ..[#000000]..> N5
+N5 -[#CDDC39]-> N6
+N6 -[#000000]-> N7
+N7 -[#CDDC39]-> N8
+N8 ..[#6FE1D5]..> N9 : ensures compliance
+N9 -[#CDDC39]-> N10
+N10 -[#000000]-> N11
+N11 ..[#CDDC39]..> N12
+N12 -[#000000]-> N13
+nest0_0 ..[#000000]..> nest0_1 : selects materials
+N4 ..[#C0CA33]..> nest0_0
+nest0_1 ..[#6FE1D5]..> N3
+nest1_0 -[#C0CA33]-> nest1_1
+N1 -[#000000]-> nest1_0
+nest1_1 ..[#6FE1D5]..> N9 : manages supply chains
+N10 ..[#6FE1D5]..> S0
+S0 -[#CDDC39]-> N12
+S0 -[#CDDC39]-> N13
+N1 ..[#CDDC39]..> S1
+S1 ..[#C0CA33]..> N7
+S1 -[#C0CA33]-> N11 : designs fixtures
+N0 ..[#6FE1D5]..> S2
+S2 ..[#6FE1D5]..> N10
+S2 ..[#6FE1D5]..> N2
+S2 ..[#C0CA33]..> N9
+N0 -[#6FE1D5]-> M0
+N1 -[#000000]-> M0
+M0 -[#C0CA33]-> N3
+N2 ..[#6FE1D5]..> M1
+N6 ..[#C0CA33]..> M1
+N4 ..[#C0CA33]..> M1
+M1 ..[#CDDC39]..> N9
+N2 ..[#C0CA33]..> M2
+N0 ..[#6FE1D5]..> M2
+M2 ..[#C0CA33]..> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_223.puml b/test/plantuml/graph_hard/plantuml_223.puml
new file mode 100644
index 0000000000000000000000000000000000000000..32bc8061f8bf027e74ba2d28a5c400eac1c9ec84
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_223.puml
@@ -0,0 +1,71 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Offline Mode Development" as Group0 #E0F2F1 {
+    database "Security Implementation" as nest0_0 #B2EBF2
+    node "User Onboarding Flows" as nest0_1 #FFF0CC
+}
+rectangle "Geolocation Services" as Group1 #F1F8E9 {
+    folder "IoT Device Control via App" as nest1_0 #FFF0CC
+    database "Native App Development" as nest1_1 #B2EBF2
+    frame "Biometric Authentication" as nest1_2 #B2EBF2
+    folder "Accessibility Features" as nest1_3 #D3D7EB
+}
+usecase "Analytics Tracking" as N0 #FFF0CC
+component "Ad Monetization" as N1 #B2EBF2
+usecase "Wearable Device Integration" as N2 #D3D7EB
+rectangle "API Development" as N3 #D3D7EB
+component "Wireframing" as N4 #FFF0CC
+artifact "User Interface Design" as N5 #D3D7EB
+usecase "User Feedback Collection" as N6 #FFF0CC
+usecase "In_App Purchase Integration" as N7 #D3D7EB
+rectangle "Camera Integration" as N8 #D3D7EB
+folder "Backend Integration" as N9 #FFF0CC
+rectangle "Database Design for Mobile" as N10 #FFF0CC
+folder "Concept Development" as N11 #B2EBF2
+folder "User Experience Design" as N12 #B2EBF2
+circle " " as S0 #B2EBF2
+circle " " as S1 #FFF0CC
+circle " " as S2 #B2EBF2
+circle " " as M0 #FFF0CC
+circle " " as M1 #B2EBF2
+N0 ..[#FFCC80]..> N1
+N1 -[#8C9EFF]-> N2 : uses cloud services
+N2 -[#00BCD4]-> N3
+N3 -[#000000]-> N4
+N4 -[#8C9EFF]-> N5
+N5 ..[#FFCC80]..> N6
+N6 -[#8C9EFF]-> N7
+N7 ..[#8C9EFF]..> N8 : manages subscriptions
+N8 -[#00BCD4]-> N9 : manages databases
+N9 -[#8C9EFF]-> N10
+N10 ..[#8C9EFF]..> N11
+N11 -[#00BCD4]-> N12
+nest0_0 ..[#00BCD4]..> nest0_1
+N5 -[#8C9EFF]-> nest0_0
+nest0_1 -[#000000]-> N12
+nest1_0 -[#FFCC80]-> nest1_1
+nest1_1 ..[#FFCC80]..> nest1_2
+nest1_2 -[#00BCD4]-> nest1_3
+N8 -[#000000]-> nest1_0
+nest1_3 -[#00BCD4]-> N2
+N6 ..[#8C9EFF]..> S0
+S0 ..[#00BCD4]..> N10
+S0 ..[#FFCC80]..> N9
+N8 ..[#000000]..> S1
+S1 ..[#FFCC80]..> N11
+S1 -[#FFCC80]-> N10
+S1 ..[#FFCC80]..> N12 : integrates camera
+N6 -[#000000]-> S2
+S2 ..[#FFCC80]..> N12
+S2 ..[#8C9EFF]..> N11
+N3 ..[#8C9EFF]..> M0
+N1 -[#FFCC80]-> M0
+N2 -[#000000]-> M0
+M0 ..[#000000]..> N5
+N3 ..[#000000]..> M1
+N1 -[#FFCC80]-> M1 : deploys to stores
+N4 ..[#FFCC80]..> M1
+M1 -[#000000]-> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_223.txt b/test/plantuml/graph_hard/plantuml_223.txt
new file mode 100644
index 0000000000000000000000000000000000000000..51d899600ea443139071e6beefa6b7f0c35f6fa4
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_223.txt
@@ -0,0 +1,39 @@
+<API Development, connectedTo, User Feedback Collection>
+<API Development, connectedTo, User Interface Design>
+<API Development, connectedTo, Wireframing>
+<Accessibility Features, connectedTo, Wearable Device Integration>
+<Accessibility Features, partOf, Geolocation Services>
+<Ad Monetization, connectedTo, User Interface Design>
+<Ad Monetization, deploys to stores, User Feedback Collection>
+<Ad Monetization, uses cloud services, Wearable Device Integration>
+<Analytics Tracking, connectedTo, Ad Monetization>
+<Backend Integration, connectedTo, Database Design for Mobile>
+<Biometric Authentication, connectedTo, Accessibility Features>
+<Biometric Authentication, partOf, Geolocation Services>
+<Camera Integration, connectedTo, Concept Development>
+<Camera Integration, connectedTo, Database Design for Mobile>
+<Camera Integration, connectedTo, IoT Device Control via App>
+<Camera Integration, integrates camera, User Experience Design>
+<Camera Integration, manages databases, Backend Integration>
+<Concept Development, connectedTo, User Experience Design>
+<Database Design for Mobile, connectedTo, Concept Development>
+<In_App Purchase Integration, manages subscriptions, Camera Integration>
+<IoT Device Control via App, connectedTo, Native App Development>
+<IoT Device Control via App, partOf, Geolocation Services>
+<Native App Development, connectedTo, Biometric Authentication>
+<Native App Development, partOf, Geolocation Services>
+<Security Implementation, connectedTo, User Onboarding Flows>
+<Security Implementation, partOf, Offline Mode Development>
+<User Feedback Collection, connectedTo, Backend Integration>
+<User Feedback Collection, connectedTo, Concept Development>
+<User Feedback Collection, connectedTo, Database Design for Mobile>
+<User Feedback Collection, connectedTo, In_App Purchase Integration>
+<User Feedback Collection, connectedTo, User Experience Design>
+<User Interface Design, connectedTo, Security Implementation>
+<User Interface Design, connectedTo, User Feedback Collection>
+<User Onboarding Flows, connectedTo, User Experience Design>
+<User Onboarding Flows, partOf, Offline Mode Development>
+<Wearable Device Integration, connectedTo, API Development>
+<Wearable Device Integration, connectedTo, User Interface Design>
+<Wireframing, connectedTo, User Feedback Collection>
+<Wireframing, connectedTo, User Interface Design>
diff --git a/test/plantuml/graph_hard/plantuml_224.puml b/test/plantuml/graph_hard/plantuml_224.puml
new file mode 100644
index 0000000000000000000000000000000000000000..7afdf2c99a36f27ea13fe999053ed831af554c22
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_224.puml
@@ -0,0 +1,57 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "IoT Device Control via App" as Group0 #FFF3E0 {
+    usecase "Camera Integration" as nest0_0 #C5CAE9
+    usecase "Updates and Maintenance" as nest0_1 #C8E6C9
+}
+rectangle "User Onboarding Flows" as Group1 #ECEFF1 {
+    database "Gamification Elements" as nest1_0 #C8E6C9
+    frame "Prototyping" as nest1_1 #C5CAE9
+    database "User Interface Design" as nest1_2 #C5CAE9
+    rectangle "User Feedback Collection" as nest1_3 #DACBE3
+}
+rectangle "Chat Functionality" as N0 #DACBE3
+database "Crash Reporting" as N1 #C5CAE9
+rectangle "Concept Development" as N2 #C8E6C9
+artifact "Accessibility Features" as N3 #C5CAE9
+artifact "Microphone Integration" as N4 #C5CAE9
+database "App Store Optimization" as N5 #C8E6C9
+database "Biometric Authentication" as N6 #C5CAE9
+folder "Security Implementation" as N7 #C5CAE9
+cloud "Wearable Device Integration" as N8 #C5CAE9
+artifact "Geolocation Services" as N9 #C8E6C9
+cloud "Push Notification Implementation" as N10 #DACBE3
+circle " " as S0 #DACBE3
+circle " " as S1 #C5CAE9
+circle " " as M1 #C8E6C9
+N0 ..[#4CAF50]..> N1
+N1 ..[#000000]..> N2
+N2 ..[#3F51B5]..> N3
+N3 ..[#000000]..> N4
+N4 ..[#000000]..> N5
+N5 -[#4CAF50]-> N6 : develops AR or VR features
+N6 -[#A188D0]-> N7
+N7 ..[#3F51B5]..> N8
+N8 -[#A188D0]-> N9
+N9 ..[#3F51B5]..> N10
+nest0_0 ..[#A188D0]..> nest0_1
+N6 ..[#A188D0]..> nest0_0
+nest0_1 ..[#4CAF50]..> N7
+nest1_0 -[#4CAF50]-> nest1_1 : uses geolocation
+nest1_1 -[#3F51B5]-> nest1_2
+nest1_2 -[#000000]-> nest1_3
+N1 ..[#000000]..> nest1_0
+nest1_3 ..[#3F51B5]..> N2
+N7 -[#000000]-> S0
+S0 ..[#A188D0]..> N9
+S0 ..[#A188D0]..> N10
+N4 -[#4CAF50]-> S1
+S1 ..[#A188D0]..> N6 : designs APIs
+S1 -[#3F51B5]-> N9
+S1 ..[#A188D0]..> N10
+N3 ..[#4CAF50]..> M1
+N6 ..[#000000]..> M1
+M1 -[#3F51B5]-> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_224.txt b/test/plantuml/graph_hard/plantuml_224.txt
new file mode 100644
index 0000000000000000000000000000000000000000..63f43f0adada07c78d25f13b4bd4173b8ce7fb27
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_224.txt
@@ -0,0 +1,31 @@
+<Accessibility Features, connectedTo, Microphone Integration>
+<Accessibility Features, connectedTo, Push Notification Implementation>
+<App Store Optimization, develops AR or VR features, Biometric Authentication>
+<Biometric Authentication, connectedTo, Camera Integration>
+<Biometric Authentication, connectedTo, Push Notification Implementation>
+<Biometric Authentication, connectedTo, Security Implementation>
+<Camera Integration, connectedTo, Updates and Maintenance>
+<Camera Integration, partOf, IoT Device Control via App>
+<Chat Functionality, connectedTo, Crash Reporting>
+<Concept Development, connectedTo, Accessibility Features>
+<Crash Reporting, connectedTo, Concept Development>
+<Crash Reporting, connectedTo, Gamification Elements>
+<Gamification Elements, partOf, User Onboarding Flows>
+<Gamification Elements, uses geolocation, Prototyping>
+<Geolocation Services, connectedTo, Push Notification Implementation>
+<Microphone Integration, connectedTo, App Store Optimization>
+<Microphone Integration, connectedTo, Geolocation Services>
+<Microphone Integration, connectedTo, Push Notification Implementation>
+<Microphone Integration, designs APIs, Biometric Authentication>
+<Prototyping, connectedTo, User Interface Design>
+<Prototyping, partOf, User Onboarding Flows>
+<Security Implementation, connectedTo, Geolocation Services>
+<Security Implementation, connectedTo, Push Notification Implementation>
+<Security Implementation, connectedTo, Wearable Device Integration>
+<Updates and Maintenance, connectedTo, Security Implementation>
+<Updates and Maintenance, partOf, IoT Device Control via App>
+<User Feedback Collection, connectedTo, Concept Development>
+<User Feedback Collection, partOf, User Onboarding Flows>
+<User Interface Design, connectedTo, User Feedback Collection>
+<User Interface Design, partOf, User Onboarding Flows>
+<Wearable Device Integration, connectedTo, Geolocation Services>
diff --git a/test/plantuml/graph_hard/plantuml_225.puml b/test/plantuml/graph_hard/plantuml_225.puml
new file mode 100644
index 0000000000000000000000000000000000000000..501a426738c8f6197a718810ebef57dce5098dc7
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_225.puml
@@ -0,0 +1,77 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Crash Reporting" as Group0 #FBE9E7 {
+    database "Security Implementation" as nest0_0 #FCE4EC
+    component "Deep Linking" as nest0_1 #F3E5F5
+}
+rectangle "Wearable Device Integration" as Group1 #FCE4EC {
+    folder "User Interface Design" as nest1_0 #FFF8E1
+    node "Microphone Integration" as nest1_1 #FFF8E1
+    database "Backend Integration" as nest1_2 #FCE4EC
+}
+database "Cloud Backend for Mobile" as N0 #FFF8E1
+usecase "Native App Development" as N1 #FFF8E1
+node "In_App Purchase Integration" as N2 #FCE4EC
+folder "Subscription Management" as N3 #FFF8E1
+usecase "Performance Optimization" as N4 #FCE4EC
+rectangle "Prototyping" as N5 #FFF8E1
+artifact "Wireframing" as N6 #FFF8E1
+artifact "Database Design for Mobile" as N7 #FCE4EC
+usecase "User Feedback Collection" as N8 #FCE4EC
+folder "Deployment to App Stores" as N9 #FCE4EC
+artifact "Concept Development" as N10 #FFF8E1
+artifact "Biometric Authentication" as N11 #FFF8E1
+database "Real_time Communication Features" as N12 #F3E5F5
+folder "Accessibility Features" as N13 #FFF8E1
+artifact "User Experience Design" as N14 #FFF8E1
+usecase "Chat Functionality" as N15 #FFF8E1
+node "API Development" as N16 #FFF8E1
+circle " " as S0 #F3E5F5
+circle " " as S1 #FFF8E1
+circle " " as M0 #FFF8E1
+circle " " as M1 #FCE4EC
+circle " " as M2 #FCE4EC
+N0 -[#000000]-> N1
+N1 -[#F06292]-> N2
+N2 ..[#FFD54F]..> N3
+N3 ..[#FFD54F]..> N4
+N4 -[#BA68C8]-> N5
+N5 -[#BA68C8]-> N6
+N6 ..[#BA68C8]..> N7
+N7 -[#BA68C8]-> N8
+N8 -[#BA68C8]-> N9
+N9 ..[#BA68C8]..> N10
+N10 -[#BA68C8]-> N11
+N11 ..[#FFD54F]..> N12
+N12 -[#000000]-> N13
+N13 ..[#000000]..> N14
+N14 ..[#FFD54F]..> N15
+N15 ..[#F06292]..> N16
+nest0_0 -[#000000]-> nest0_1
+N5 -[#000000]-> nest0_0
+nest0_1 ..[#FFD54F]..> N1
+nest1_0 -[#BA68C8]-> nest1_1
+nest1_1 -[#BA68C8]-> nest1_2
+N4 ..[#BA68C8]..> nest1_0
+nest1_2 -[#BA68C8]-> N6
+N7 -[#F06292]-> S0
+S0 -[#000000]-> N9
+S0 -[#BA68C8]-> N10
+S0 -[#FFD54F]-> N13
+N0 ..[#000000]..> S1
+S1 -[#F06292]-> N6
+S1 -[#F06292]-> N11
+S1 -[#F06292]-> N8
+N3 ..[#BA68C8]..> M0
+N2 ..[#000000]..> M0
+M0 ..[#FFD54F]..> N5
+N3 -[#FFD54F]-> M1
+N5 -[#000000]-> M1
+N2 ..[#FFD54F]..> M1
+M1 ..[#F06292]..> N7
+N1 -[#FFD54F]-> M2
+N0 -[#F06292]-> M2
+M2 ..[#F06292]..> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_225.txt b/test/plantuml/graph_hard/plantuml_225.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cef0db7615fe2a8b2e511baadb7887b38254b4f5
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_225.txt
@@ -0,0 +1,41 @@
+<Accessibility Features, connectedTo, User Experience Design>
+<Backend Integration, connectedTo, Wireframing>
+<Backend Integration, partOf, Wearable Device Integration>
+<Biometric Authentication, connectedTo, Real_time Communication Features>
+<Chat Functionality, connectedTo, API Development>
+<Cloud Backend for Mobile, connectedTo, Biometric Authentication>
+<Cloud Backend for Mobile, connectedTo, Native App Development>
+<Cloud Backend for Mobile, connectedTo, Subscription Management>
+<Cloud Backend for Mobile, connectedTo, User Feedback Collection>
+<Cloud Backend for Mobile, connectedTo, Wireframing>
+<Concept Development, connectedTo, Biometric Authentication>
+<Database Design for Mobile, connectedTo, Accessibility Features>
+<Database Design for Mobile, connectedTo, Concept Development>
+<Database Design for Mobile, connectedTo, Deployment to App Stores>
+<Database Design for Mobile, connectedTo, User Feedback Collection>
+<Deep Linking, connectedTo, Native App Development>
+<Deep Linking, partOf, Crash Reporting>
+<Deployment to App Stores, connectedTo, Concept Development>
+<In_App Purchase Integration, connectedTo, Database Design for Mobile>
+<In_App Purchase Integration, connectedTo, Prototyping>
+<In_App Purchase Integration, connectedTo, Subscription Management>
+<Microphone Integration, connectedTo, Backend Integration>
+<Microphone Integration, partOf, Wearable Device Integration>
+<Native App Development, connectedTo, In_App Purchase Integration>
+<Native App Development, connectedTo, Subscription Management>
+<Performance Optimization, connectedTo, Prototyping>
+<Performance Optimization, connectedTo, User Interface Design>
+<Prototyping, connectedTo, Database Design for Mobile>
+<Prototyping, connectedTo, Security Implementation>
+<Prototyping, connectedTo, Wireframing>
+<Real_time Communication Features, connectedTo, Accessibility Features>
+<Security Implementation, connectedTo, Deep Linking>
+<Security Implementation, partOf, Crash Reporting>
+<Subscription Management, connectedTo, Database Design for Mobile>
+<Subscription Management, connectedTo, Performance Optimization>
+<Subscription Management, connectedTo, Prototyping>
+<User Experience Design, connectedTo, Chat Functionality>
+<User Feedback Collection, connectedTo, Deployment to App Stores>
+<User Interface Design, connectedTo, Microphone Integration>
+<User Interface Design, partOf, Wearable Device Integration>
+<Wireframing, connectedTo, Database Design for Mobile>
diff --git a/test/plantuml/graph_hard/plantuml_226.txt b/test/plantuml/graph_hard/plantuml_226.txt
new file mode 100644
index 0000000000000000000000000000000000000000..329f9569b9b6e9ea339410474986c0d6de7c9532
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_226.txt
@@ -0,0 +1,37 @@
+<Audience Engagement, connectedTo, Link_in_Bio Optimization>
+<Audience Engagement, partOf, User_Generated Content Curation>
+<Community Management, connectedTo, Paid Social Media Advertising>
+<Content Creation, connectedTo, Engagement Rate Calculation>
+<Content Creation, partOf, User_Generated Content Curation>
+<Content Moderation, connectedTo, Reach and Impressions Tracking>
+<Content Moderation, connectedTo, Social Listening>
+<Content Strategy, connectedTo, Community Management>
+<Content Strategy, connectedTo, Live Streaming on Social Media>
+<Content Strategy, connectedTo, Paid Social Media Advertising>
+<Crisis Management, connectedTo, Content Strategy>
+<Cross_Promotion, connectedTo, Social Selling>
+<Cross_Promotion, partOf, Polls and Quizzes Creation>
+<Customer Service on Social Media, connectedTo, Community Management>
+<Customer Service on Social Media, connectedTo, Crisis Management>
+<Customer Service on Social Media, connectedTo, Engagement Rate Calculation>
+<Direct Messaging Strategy, connectedTo, Content Moderation>
+<Emerging Platform Exploration, connectedTo, Direct Messaging Strategy>
+<Engagement Rate Calculation, connectedTo, Group Management>
+<Ethical Use of Social Media, connectedTo, Content Strategy>
+<Ethical Use of Social Media, connectedTo, Emerging Platform Exploration>
+<Ethical Use of Social Media, connectedTo, Live Streaming on Social Media>
+<Group Management, connectedTo, Ethical Use of Social Media>
+<Link_in_Bio Optimization, connectedTo, Content Creation>
+<Link_in_Bio Optimization, partOf, User_Generated Content Curation>
+<Live Streaming on Social Media, connectedTo, Community Management>
+<Platform Algorithm Understanding, connectedTo, Engagement Rate Calculation>
+<Platform Algorithm Understanding, connectedTo, Platform Selection>
+<Platform Selection, connectedTo, Audience Engagement>
+<Platform Selection, connectedTo, Customer Service on Social Media>
+<Platform Selection, connectedTo, Engagement Rate Calculation>
+<Reach and Impressions Tracking, connectedTo, Content Strategy>
+<Reach and Impressions Tracking, connectedTo, Crisis Management>
+<Social Listening, connectedTo, Cross_Promotion>
+<Social Listening, partOf, Polls and Quizzes Creation>
+<Social Selling, connectedTo, Live Streaming on Social Media>
+<Social Selling, partOf, Polls and Quizzes Creation>
diff --git a/test/plantuml/graph_hard/plantuml_227.puml b/test/plantuml/graph_hard/plantuml_227.puml
new file mode 100644
index 0000000000000000000000000000000000000000..49c623903d20c969734d8fc7d794540dcedd1fe7
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_227.puml
@@ -0,0 +1,59 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Performance Analytics" as Group0 #E0F2F1 {
+    cloud "Reputation Management" as nest0_0 #DACBE3
+    usecase "Ethical Use of Social Media" as nest0_1 #E8EAF6
+    folder "Social Selling" as nest0_2 #DACBE3
+    folder "Social Listening" as nest0_3 #DACBE3
+}
+rectangle "Competitor Analysis" as Group1 #E8F5E9 {
+    folder "Partnership Management on Social" as nest1_0 #E8EAF6
+    usecase "Scheduling Posts" as nest1_1 #E8EAF6
+}
+folder "Story Format Content Creation" as N0 #E8EAF6
+component "Brand Voice Development" as N1 #E8EAF6
+database "Customer Service on Social Media" as N2 #E8EAF6
+database "Paid Social Media Advertising" as N3 #DACBE3
+folder "Social Media Audits" as N4 #E8EAF6
+rectangle "Follower Growth Monitoring" as N5 #DACBE3
+database "Reach and Impressions Tracking" as N6 #E8EAF6
+component "Group Management" as N7 #DACBE3
+rectangle "Engagement Rate Calculation" as N8 #DACBE3
+cloud "Influencer Collaboration" as N9 #DACBE3
+circle " " as S0 #E8EAF6
+circle " " as S1 #DACBE3
+circle " " as M0 #CADEDE
+circle " " as M2 #E8EAF6
+N0 -[#000000]-> N1 : shares links
+N1 -[#000000]-> N2
+N2 ..[#000000]..> N3
+N3 -[#5C6BC0]-> N4
+N4 -[#000000]-> N5
+N5 -[#94C0C0]-> N6
+N6 ..[#A188D0]..> N7
+N7 ..[#5C6BC0]..> N8
+N8 -[#94C0C0]-> N9
+nest0_0 ..[#94C0C0]..> nest0_1
+nest0_1 ..[#94C0C0]..> nest0_2
+nest0_2 -[#94C0C0]-> nest0_3 : runs ads
+N7 -[#5C6BC0]-> nest0_0
+nest0_3 -[#5C6BC0]-> N9
+nest1_0 ..[#000000]..> nest1_1
+N2 ..[#94C0C0]..> nest1_0
+nest1_1 ..[#A188D0]..> N7
+N3 ..[#94C0C0]..> S0
+S0 -[#000000]-> N6
+S0 -[#5C6BC0]-> N9
+N2 -[#000000]-> S1
+S1 ..[#A188D0]..> N5
+S1 -[#000000]-> N8
+N0 -[#94C0C0]-> M0
+N1 -[#000000]-> M0 : creates content
+M0 ..[#000000]..> N5
+N0 -[#5C6BC0]-> M2
+N2 ..[#5C6BC0]..> M2 : develops strategies
+N4 -[#000000]-> M2
+M2 -[#000000]-> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_227.txt b/test/plantuml/graph_hard/plantuml_227.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a4452ac44f178123d225d5eaa5fd21c2f6136798
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_227.txt
@@ -0,0 +1,32 @@
+<Brand Voice Development, connectedTo, Customer Service on Social Media>
+<Brand Voice Development, creates content, Follower Growth Monitoring>
+<Customer Service on Social Media, connectedTo, Engagement Rate Calculation>
+<Customer Service on Social Media, connectedTo, Follower Growth Monitoring>
+<Customer Service on Social Media, connectedTo, Paid Social Media Advertising>
+<Customer Service on Social Media, connectedTo, Partnership Management on Social>
+<Customer Service on Social Media, develops strategies, Influencer Collaboration>
+<Engagement Rate Calculation, connectedTo, Influencer Collaboration>
+<Ethical Use of Social Media, connectedTo, Social Selling>
+<Ethical Use of Social Media, partOf, Performance Analytics>
+<Follower Growth Monitoring, connectedTo, Reach and Impressions Tracking>
+<Group Management, connectedTo, Engagement Rate Calculation>
+<Group Management, connectedTo, Reputation Management>
+<Paid Social Media Advertising, connectedTo, Influencer Collaboration>
+<Paid Social Media Advertising, connectedTo, Reach and Impressions Tracking>
+<Paid Social Media Advertising, connectedTo, Social Media Audits>
+<Partnership Management on Social, connectedTo, Scheduling Posts>
+<Partnership Management on Social, partOf, Competitor Analysis>
+<Reach and Impressions Tracking, connectedTo, Group Management>
+<Reputation Management, connectedTo, Ethical Use of Social Media>
+<Reputation Management, partOf, Performance Analytics>
+<Scheduling Posts, connectedTo, Group Management>
+<Scheduling Posts, partOf, Competitor Analysis>
+<Social Listening, connectedTo, Influencer Collaboration>
+<Social Listening, partOf, Performance Analytics>
+<Social Media Audits, connectedTo, Follower Growth Monitoring>
+<Social Media Audits, connectedTo, Influencer Collaboration>
+<Social Selling, partOf, Performance Analytics>
+<Social Selling, runs ads, Social Listening>
+<Story Format Content Creation, connectedTo, Follower Growth Monitoring>
+<Story Format Content Creation, connectedTo, Influencer Collaboration>
+<Story Format Content Creation, shares links, Brand Voice Development>
diff --git a/test/plantuml/graph_hard/plantuml_228.puml b/test/plantuml/graph_hard/plantuml_228.puml
new file mode 100644
index 0000000000000000000000000000000000000000..98299c68f19446bc181f53de0daa508406921265
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_228.puml
@@ -0,0 +1,66 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Influencer Collaboration" as Group0 #F3E5F5 {
+    database "Emerging Platform Exploration" as nest0_0 #E8F0EA
+    component "Reporting and Optimization" as nest0_1 #FFFDE0
+    database "Crisis Management" as nest0_2 #B2EBF2
+    database "Platform Algorithm Understanding" as nest0_3 #B2EBF2
+}
+rectangle "Ethical Use of Social Media" as Group1 #F1F8E9 {
+    folder "Crisis Communication Plan" as nest1_0 #E8F0EA
+    usecase "Content Moderation" as nest1_1 #E8F0EA
+    folder "Customer Service on Social Media" as nest1_2 #B2EBF2
+}
+frame "Direct Messaging Strategy" as N0 #E8F0EA
+folder "Performance Analytics" as N1 #B2EBF2
+rectangle "Reach and Impressions Tracking" as N2 #B2EBF2
+component "User_Generated Content Curation" as N3 #E8F0EA
+component "Live Streaming on Social Media" as N4 #FFFDE0
+folder "Polls and Quizzes Creation" as N5 #E8F0EA
+folder "Competitor Analysis" as N6 #E8F0EA
+frame "Content Strategy" as N7 #FFFDE0
+rectangle "Brand Voice Development" as N8 #E8F0EA
+folder "Reputation Management" as N9 #FFFDE0
+component "Content Creation" as N10 #FFFDE0
+usecase "Platform Selection" as N11 #FFFDE0
+circle " " as S0 #B2EBF2
+circle " " as S1 #FFFDE0
+circle " " as S2 #FFFDE0
+circle " " as M1 #E8F0EA
+N0 -[#000000]-> N1
+N1 ..[#FFF8A6]..> N2
+N2 ..[#FFF8A6]..> N3
+N3 -[#00BCD4]-> N4
+N4 -[#FFF8A6]-> N5
+N5 ..[#00BCD4]..> N6 : moderates comments
+N6 -[#000000]-> N7
+N7 ..[#000000]..> N8
+N8 ..[#000000]..> N9 : tracks performance
+N9 ..[#FFF8A6]..> N10
+N10 -[#FFF8A6]-> N11
+nest0_0 ..[#92C79A]..> nest0_1
+nest0_1 -[#92C79A]-> nest0_2
+nest0_2 -[#000000]-> nest0_3
+N6 -[#FFF8A6]-> nest0_0
+nest0_3 ..[#92C79A]..> N3
+nest1_0 -[#00BCD4]-> nest1_1
+nest1_1 ..[#FFF8A6]..> nest1_2
+N2 ..[#92C79A]..> nest1_0
+nest1_2 ..[#FFF8A6]..> N9
+N0 ..[#92C79A]..> S0
+S0 -[#000000]-> N10
+S0 -[#00BCD4]-> N11
+N4 -[#92C79A]-> S1
+S1 ..[#000000]..> N10
+S1 -[#92C79A]-> N6
+S1 ..[#00BCD4]..> N7
+N2 -[#92C79A]-> S2
+S2 ..[#92C79A]..> N5
+S2 -[#FFF8A6]-> N10 : shares links
+N1 ..[#00BCD4]..> M1
+N0 -[#000000]-> M1
+N3 ..[#92C79A]..> M1
+M1 ..[#00BCD4]..> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_228.txt b/test/plantuml/graph_hard/plantuml_228.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dc7e09234a81509d7776f20a6227ca77fd894fea
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_228.txt
@@ -0,0 +1,37 @@
+<Brand Voice Development, tracks performance, Reputation Management>
+<Competitor Analysis, connectedTo, Content Strategy>
+<Competitor Analysis, connectedTo, Emerging Platform Exploration>
+<Content Creation, connectedTo, Platform Selection>
+<Content Moderation, connectedTo, Customer Service on Social Media>
+<Content Moderation, partOf, Ethical Use of Social Media>
+<Content Strategy, connectedTo, Brand Voice Development>
+<Crisis Communication Plan, connectedTo, Content Moderation>
+<Crisis Communication Plan, partOf, Ethical Use of Social Media>
+<Crisis Management, connectedTo, Platform Algorithm Understanding>
+<Crisis Management, partOf, Influencer Collaboration>
+<Customer Service on Social Media, connectedTo, Reputation Management>
+<Customer Service on Social Media, partOf, Ethical Use of Social Media>
+<Direct Messaging Strategy, connectedTo, Content Creation>
+<Direct Messaging Strategy, connectedTo, Content Strategy>
+<Direct Messaging Strategy, connectedTo, Performance Analytics>
+<Direct Messaging Strategy, connectedTo, Platform Selection>
+<Emerging Platform Exploration, connectedTo, Reporting and Optimization>
+<Emerging Platform Exploration, partOf, Influencer Collaboration>
+<Live Streaming on Social Media, connectedTo, Competitor Analysis>
+<Live Streaming on Social Media, connectedTo, Content Creation>
+<Live Streaming on Social Media, connectedTo, Content Strategy>
+<Live Streaming on Social Media, connectedTo, Polls and Quizzes Creation>
+<Performance Analytics, connectedTo, Content Strategy>
+<Performance Analytics, connectedTo, Reach and Impressions Tracking>
+<Platform Algorithm Understanding, connectedTo, User_Generated Content Curation>
+<Platform Algorithm Understanding, partOf, Influencer Collaboration>
+<Polls and Quizzes Creation, moderates comments, Competitor Analysis>
+<Reach and Impressions Tracking, connectedTo, Crisis Communication Plan>
+<Reach and Impressions Tracking, connectedTo, Polls and Quizzes Creation>
+<Reach and Impressions Tracking, connectedTo, User_Generated Content Curation>
+<Reach and Impressions Tracking, shares links, Content Creation>
+<Reporting and Optimization, connectedTo, Crisis Management>
+<Reporting and Optimization, partOf, Influencer Collaboration>
+<Reputation Management, connectedTo, Content Creation>
+<User_Generated Content Curation, connectedTo, Content Strategy>
+<User_Generated Content Curation, connectedTo, Live Streaming on Social Media>
diff --git a/test/plantuml/graph_hard/plantuml_229.puml b/test/plantuml/graph_hard/plantuml_229.puml
new file mode 100644
index 0000000000000000000000000000000000000000..27577d69041ac7481490025b1aa2aa792b6b69b9
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_229.puml
@@ -0,0 +1,66 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Search Engine Marketing Strategy" as Group0 #F3E5F5 {
+    node "Personalized Search Results" as nest0_0 #F1F8E9
+    folder "Site Architecture Optimization" as nest0_1 #F1F8E9
+    folder "Google My Business Management" as nest0_2 #F1F8E9
+    usecase "Ranking Algorithms" as nest0_3 #F5F5F5
+}
+rectangle "Search Console Management" as Group1 #E8F5E9 {
+    cloud "Shopping Search" as nest1_0 #F1F8E9
+    cloud "On_Page SEO" as nest1_1 #F1F8E9
+    cloud "Knowledge Graph Integration" as nest1_2 #F1F8E9
+}
+usecase "Schema Markup Implementation" as N0 #FFDCD6
+usecase "Featured Snippets Optimization" as N1 #F1F8E9
+folder "Core Web Vitals Optimization" as N2 #F5F5F5
+folder "Negative SEO Prevention" as N3 #F5F5F5
+folder "Search Result Display" as N4 #F5F5F5
+cloud "Local SEO" as N5 #F1F8E9
+cloud "User Experience for Search" as N6 #FFDCD6
+database "Competitor Keyword Analysis" as N7 #FFDCD6
+usecase "Click_Through Rate Optimization" as N8 #F5F5F5
+rectangle "Indexing Content" as N9 #FFDCD6
+folder "International SEO" as N10 #F5F5F5
+component "Crawling Websites" as N11 #F1F8E9
+rectangle "Academic Search" as N12 #FFDCD6
+folder "Off_Page SEO" as N13 #F1F8E9
+frame "Video Search" as N14 #FFDCD6
+circle " " as S1 #FFDCD6
+circle " " as M2 #FFDCD6
+N0 -[#FFB2A5]-> N1
+N1 ..[#388E3C]..> N2
+N2 ..[#388E3C]..> N3
+N3 ..[#BDBDBD]..> N4
+N4 ..[#FFB2A5]..> N5
+N5 -[#BDBDBD]-> N6
+N6 ..[#000000]..> N7
+N7 -[#BDBDBD]-> N8
+N8 -[#388E3C]-> N9
+N9 ..[#BDBDBD]..> N10
+N10 ..[#FFB2A5]..> N11
+N11 ..[#FFB2A5]..> N12 : personalizes results
+N12 -[#FFB2A5]-> N13
+N13 ..[#BDBDBD]..> N14
+nest0_0 ..[#BDBDBD]..> nest0_1
+nest0_1 ..[#BDBDBD]..> nest0_2
+nest0_2 -[#000000]-> nest0_3
+N8 ..[#FFB2A5]..> nest0_0
+nest0_3 ..[#388E3C]..> N10
+nest1_0 ..[#BDBDBD]..> nest1_1
+nest1_1 -[#FFB2A5]-> nest1_2
+N4 ..[#388E3C]..> nest1_0
+nest1_2 ..[#388E3C]..> N11 : optimizes on_page
+N10 -[#BDBDBD]-> S1
+S1 -[#000000]-> N14
+S1 -[#BDBDBD]-> N12
+S1 -[#388E3C]-> N13 : understands intent
+N0 -[#388E3C]-> M2
+N1 -[#FFB2A5]-> M2
+M2 ..[#BDBDBD]..> N3
+N0 ..[#000000]..> N2
+N2 -[#000000]-> N14
+N11 ..[#388E3C]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_229.txt b/test/plantuml/graph_hard/plantuml_229.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9e9a96ba1858a5851a35d475e34afa3c279fe12a
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_229.txt
@@ -0,0 +1,38 @@
+<Academic Search, connectedTo, Off_Page SEO>
+<Click_Through Rate Optimization, connectedTo, Indexing Content>
+<Click_Through Rate Optimization, connectedTo, Personalized Search Results>
+<Competitor Keyword Analysis, connectedTo, Click_Through Rate Optimization>
+<Core Web Vitals Optimization, connectedTo, Negative SEO Prevention>
+<Core Web Vitals Optimization, connectedTo, Video Search>
+<Crawling Websites, connectedTo, Click_Through Rate Optimization>
+<Crawling Websites, personalizes results, Academic Search>
+<Featured Snippets Optimization, connectedTo, Core Web Vitals Optimization>
+<Featured Snippets Optimization, connectedTo, Negative SEO Prevention>
+<Google My Business Management, connectedTo, Ranking Algorithms>
+<Google My Business Management, partOf, Search Engine Marketing Strategy>
+<Indexing Content, connectedTo, International SEO>
+<International SEO, connectedTo, Academic Search>
+<International SEO, connectedTo, Crawling Websites>
+<International SEO, connectedTo, Video Search>
+<International SEO, understands intent, Off_Page SEO>
+<Knowledge Graph Integration, optimizes on_page, Crawling Websites>
+<Knowledge Graph Integration, partOf, Search Console Management>
+<Local SEO, connectedTo, User Experience for Search>
+<Negative SEO Prevention, connectedTo, Search Result Display>
+<Off_Page SEO, connectedTo, Video Search>
+<On_Page SEO, connectedTo, Knowledge Graph Integration>
+<On_Page SEO, partOf, Search Console Management>
+<Personalized Search Results, connectedTo, Site Architecture Optimization>
+<Personalized Search Results, partOf, Search Engine Marketing Strategy>
+<Ranking Algorithms, connectedTo, International SEO>
+<Ranking Algorithms, partOf, Search Engine Marketing Strategy>
+<Schema Markup Implementation, connectedTo, Core Web Vitals Optimization>
+<Schema Markup Implementation, connectedTo, Featured Snippets Optimization>
+<Schema Markup Implementation, connectedTo, Negative SEO Prevention>
+<Search Result Display, connectedTo, Local SEO>
+<Search Result Display, connectedTo, Shopping Search>
+<Shopping Search, connectedTo, On_Page SEO>
+<Shopping Search, partOf, Search Console Management>
+<Site Architecture Optimization, connectedTo, Google My Business Management>
+<Site Architecture Optimization, partOf, Search Engine Marketing Strategy>
+<User Experience for Search, connectedTo, Competitor Keyword Analysis>
diff --git a/test/plantuml/graph_hard/plantuml_23.puml b/test/plantuml/graph_hard/plantuml_23.puml
new file mode 100644
index 0000000000000000000000000000000000000000..a8cfb1117eeed2fb6ed78433b39f38867b9fbaac
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_23.puml
@@ -0,0 +1,78 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Case Filing" as Group0 #EDE7F6 {
+    frame "Bankruptcy Filing" as nest0_0 #ECEFF1
+    folder "Due Diligence" as nest0_1 #D0E0F8
+}
+rectangle "Intel Property Licensing" as Group1 #F3E5F5 {
+    usecase "Divorce Proceedings" as nest1_0 #D0E0F8
+    usecase "Legal Research" as nest1_1 #D0E0F8
+}
+node "Corporate Formation" as N0 #F9FBE7
+database "Verdict Announcement" as N1 #F9FBE7
+frame "Child Custody" as N2 #ECEFF1
+artifact "Patent Application" as N3 #ECEFF1
+database "Legal Aid Assistance" as N4 #F9FBE7
+cloud "Settlement Negotiation" as N5 #ECEFF1
+frame "Immigration Petition" as N6 #ECEFF1
+cloud "Court Order Execution" as N7 #ECEFF1
+folder "Client Interview" as N8 #D0E0F8
+artifact "Cross_Examination" as N9 #F9FBE7
+database "Evidence Collection" as N10 #F9FBE7
+cloud "Appeal Submission" as N11 #F9FBE7
+node "Judgment Writing" as N12 #ECEFF1
+cloud "Witness Testimony" as N13 #D0E0F8
+rectangle "Enforcement" as N14 #D0E0F8
+folder "Pre_Trial Hearing" as N15 #F9FBE7
+database "Copyright Infringement" as N16 #ECEFF1
+database "Estate Planning" as N17 #ECEFF1
+folder "Trademark Registration" as N18 #ECEFF1
+circle " " as S0 #ECEFF1
+circle " " as S1 #ECEFF1
+circle " " as M0 #ECEFF1
+circle " " as M1 #D0E0F8
+circle " " as M2 #D0E0F8
+N0 ..[#000000]..> N1
+N1 ..[#90A4AE]..> N2
+N2 ..[#DCE775]..> N3
+N3 ..[#4285F4]..> N4
+N4 -[#000000]-> N5
+N5 ..[#4285F4]..> N6
+N6 -[#DCE775]-> N7
+N7 ..[#4285F4]..> N8
+N8 -[#4285F4]-> N9
+N9 ..[#DCE775]..> N10
+N10 ..[#4285F4]..> N11
+N11 ..[#000000]..> N12
+N12 ..[#DCE775]..> N13
+N13 -[#DCE775]-> N14
+N14 ..[#90A4AE]..> N15
+N15 ..[#4285F4]..> N16
+N16 -[#DCE775]-> N17
+N17 ..[#000000]..> N18
+nest0_0 ..[#000000]..> nest0_1
+N2 -[#90A4AE]-> nest0_0
+nest0_1 -[#4285F4]-> N4
+nest1_0 -[#000000]-> nest1_1
+N13 -[#4285F4]-> nest1_0
+nest1_1 ..[#4285F4]..> N7
+N7 -[#DCE775]-> S0
+S0 -[#DCE775]-> N11
+S0 ..[#DCE775]..> N13
+S0 ..[#90A4AE]..> N18
+N3 ..[#4285F4]..> S1
+S1 -[#DCE775]-> N11
+S1 -[#DCE775]-> N15
+N6 -[#90A4AE]-> M0
+N1 -[#90A4AE]-> M0
+M0 ..[#90A4AE]..> N16
+N1 -[#4285F4]-> M1
+N0 -[#90A4AE]-> M1
+M1 ..[#000000]..> N3
+N11 -[#90A4AE]-> M2
+N5 ..[#DCE775]..> M2
+N15 ..[#90A4AE]..> M2
+M2 ..[#DCE775]..> N17
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_23.txt b/test/plantuml/graph_hard/plantuml_23.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fb9a8a80132845210211b00d68170e537fd52cf5
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_23.txt
@@ -0,0 +1,40 @@
+<Appeal Submission, connectedTo, Estate Planning>
+<Appeal Submission, connectedTo, Judgment Writing>
+<Bankruptcy Filing, connectedTo, Due Diligence>
+<Bankruptcy Filing, partOf, Case Filing>
+<Child Custody, connectedTo, Bankruptcy Filing>
+<Child Custody, connectedTo, Patent Application>
+<Client Interview, connectedTo, Cross_Examination>
+<Copyright Infringement, connectedTo, Estate Planning>
+<Corporate Formation, connectedTo, Patent Application>
+<Corporate Formation, connectedTo, Verdict Announcement>
+<Court Order Execution, connectedTo, Appeal Submission>
+<Court Order Execution, connectedTo, Client Interview>
+<Court Order Execution, connectedTo, Trademark Registration>
+<Court Order Execution, connectedTo, Witness Testimony>
+<Cross_Examination, connectedTo, Evidence Collection>
+<Divorce Proceedings, connectedTo, Legal Research>
+<Divorce Proceedings, partOf, Intel Property Licensing>
+<Due Diligence, connectedTo, Legal Aid Assistance>
+<Due Diligence, partOf, Case Filing>
+<Enforcement, connectedTo, Pre_Trial Hearing>
+<Estate Planning, connectedTo, Trademark Registration>
+<Evidence Collection, connectedTo, Appeal Submission>
+<Immigration Petition, connectedTo, Copyright Infringement>
+<Immigration Petition, connectedTo, Court Order Execution>
+<Judgment Writing, connectedTo, Witness Testimony>
+<Legal Aid Assistance, connectedTo, Settlement Negotiation>
+<Legal Research, connectedTo, Court Order Execution>
+<Legal Research, partOf, Intel Property Licensing>
+<Patent Application, connectedTo, Appeal Submission>
+<Patent Application, connectedTo, Legal Aid Assistance>
+<Patent Application, connectedTo, Pre_Trial Hearing>
+<Pre_Trial Hearing, connectedTo, Copyright Infringement>
+<Pre_Trial Hearing, connectedTo, Estate Planning>
+<Settlement Negotiation, connectedTo, Estate Planning>
+<Settlement Negotiation, connectedTo, Immigration Petition>
+<Verdict Announcement, connectedTo, Child Custody>
+<Verdict Announcement, connectedTo, Copyright Infringement>
+<Verdict Announcement, connectedTo, Patent Application>
+<Witness Testimony, connectedTo, Divorce Proceedings>
+<Witness Testimony, connectedTo, Enforcement>
diff --git a/test/plantuml/graph_hard/plantuml_230.puml b/test/plantuml/graph_hard/plantuml_230.puml
new file mode 100644
index 0000000000000000000000000000000000000000..5b6f960bb018d937e4ae7267e326d559cccdcb01
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_230.puml
@@ -0,0 +1,57 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Click_Through Rate Optimization" as Group0 #E0F2F1 {
+    component "Voice Search Optimization" as nest0_0 #E0F7FA
+    frame "Personalized Search Results" as nest0_1 #E0F7FA
+    usecase "Video Search" as nest0_2 #FFFCE6
+    usecase "News Search" as nest0_3 #D0E0F8
+}
+rectangle "Featured Snippets Optimization" as Group1 #FFF3E0 {
+    frame "Google Analytics Integration" as nest1_0 #FFFCE6
+    folder "Penalties Recovery" as nest1_1 #D0E0F8
+    folder "Search Console Management" as nest1_2 #E0F7FA
+}
+node "Semantic Search" as N0 #E0F7FA
+usecase "Search Result Display" as N1 #E0F7FA
+rectangle "Indexing Content" as N2 #D0E0F8
+database "Search Engine Marketing Strategy" as N3 #E0F7FA
+usecase "Paid Search Advertising" as N4 #E0F7FA
+node "Content Quality Assessment" as N5 #D0E0F8
+node "Keyword Research" as N6 #E0F7FA
+folder "Mobile_First Indexing" as N7 #E0F7FA
+circle " " as S1 #D0E0F8
+circle " " as S2 #E0F7FA
+circle " " as M1 #FFFCE6
+circle " " as M2 #E0F7FA
+N0 -[#00BCD4]-> N1
+N1 ..[#000000]..> N2
+N2 ..[#000000]..> N3
+N3 ..[#000000]..> N4
+N4 -[#4285F4]-> N5
+N5 -[#00BCD4]-> N6
+N6 ..[#4285F4]..> N7
+nest0_0 ..[#FFF9AE]..> nest0_1
+nest0_1 -[#00BCD4]-> nest0_2 : optimizes local search
+nest0_2 ..[#00BCD4]..> nest0_3
+N1 -[#00BCD4]-> nest0_0
+nest0_3 ..[#FFF9AE]..> N2 : manages PPC
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 ..[#FFF9AE]..> nest1_2
+N5 ..[#000000]..> nest1_0
+nest1_2 ..[#FFF9AE]..> N1
+N3 -[#4285F4]-> S1
+S1 ..[#FFF9AE]..> N6
+S1 -[#000000]-> N5
+S1 ..[#000000]..> N7
+N0 ..[#FFF9AE]..> S2
+S2 -[#000000]-> N3
+S2 -[#000000]-> N2
+N5 -[#00BCD4]-> M1
+N2 ..[#000000]..> M1
+M1 -[#000000]-> N7
+N0 ..[#000000]..> M2
+N1 ..[#FFF9AE]..> M2 : designs site architecture
+M2 -[#4285F4]-> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_230.txt b/test/plantuml/graph_hard/plantuml_230.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c0f275cc69edd78d08d9a55ccdd417bd1f366881
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_230.txt
@@ -0,0 +1,31 @@
+<Content Quality Assessment, connectedTo, Google Analytics Integration>
+<Content Quality Assessment, connectedTo, Keyword Research>
+<Content Quality Assessment, connectedTo, Mobile_First Indexing>
+<Google Analytics Integration, connectedTo, Penalties Recovery>
+<Google Analytics Integration, partOf, Featured Snippets Optimization>
+<Indexing Content, connectedTo, Mobile_First Indexing>
+<Indexing Content, connectedTo, Search Engine Marketing Strategy>
+<Keyword Research, connectedTo, Mobile_First Indexing>
+<News Search, manages PPC, Indexing Content>
+<News Search, partOf, Click_Through Rate Optimization>
+<Paid Search Advertising, connectedTo, Content Quality Assessment>
+<Penalties Recovery, connectedTo, Search Console Management>
+<Penalties Recovery, partOf, Featured Snippets Optimization>
+<Personalized Search Results, optimizes local search, Video Search>
+<Personalized Search Results, partOf, Click_Through Rate Optimization>
+<Search Console Management, connectedTo, Search Result Display>
+<Search Console Management, partOf, Featured Snippets Optimization>
+<Search Engine Marketing Strategy, connectedTo, Content Quality Assessment>
+<Search Engine Marketing Strategy, connectedTo, Keyword Research>
+<Search Engine Marketing Strategy, connectedTo, Mobile_First Indexing>
+<Search Engine Marketing Strategy, connectedTo, Paid Search Advertising>
+<Search Result Display, connectedTo, Indexing Content>
+<Search Result Display, connectedTo, Voice Search Optimization>
+<Search Result Display, designs site architecture, Search Engine Marketing Strategy>
+<Semantic Search, connectedTo, Indexing Content>
+<Semantic Search, connectedTo, Search Engine Marketing Strategy>
+<Semantic Search, connectedTo, Search Result Display>
+<Video Search, connectedTo, News Search>
+<Video Search, partOf, Click_Through Rate Optimization>
+<Voice Search Optimization, connectedTo, Personalized Search Results>
+<Voice Search Optimization, partOf, Click_Through Rate Optimization>
diff --git a/test/plantuml/graph_hard/plantuml_231.puml b/test/plantuml/graph_hard/plantuml_231.puml
new file mode 100644
index 0000000000000000000000000000000000000000..11c97f4859e3d6bca487c09e3fb84cb1aad92b15
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_231.puml
@@ -0,0 +1,63 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Featured Snippets Optimization" as Group0 #EDE7F6 {
+    usecase "Core Web Vitals Optimization" as nest0_0 #B2EBF2
+    folder "Academic Search" as nest0_1 #E6EE9C
+    component "Off_Page SEO" as nest0_2 #E6EE9C
+}
+rectangle "International SEO" as Group1 #FCE4EC {
+    folder "Content Quality Assessment" as nest1_0 #EFE6FF
+    usecase "Video Search" as nest1_1 #EFE6FF
+}
+component "Ranking Algorithms" as N0 #B2EBF2
+node "Personalized Search Results" as N1 #EFE6FF
+folder "Shopping Search" as N2 #E6EE9C
+rectangle "Search Console Management" as N3 #EFE6FF
+usecase "Search Result Display" as N4 #EFE6FF
+rectangle "Site Architecture Optimization" as N5 #B2EBF2
+frame "Mobile_First Indexing" as N6 #EFE6FF
+frame "Semantic Search" as N7 #B2EBF2
+frame "Search Engine Marketing Strategy" as N8 #E6EE9C
+frame "Schema Markup Implementation" as N9 #E6EE9C
+frame "Google My Business Management" as N10 #B2EBF2
+node "Query Processing" as N11 #E6EE9C
+component "Crawling Websites" as N12 #EFE6FF
+circle " " as S0 #B2EBF2
+circle " " as M0 #B2EBF2
+circle " " as M1 #B2EBF2
+N0 ..[#00BCD4]..> N1
+N1 ..[#CDDC39]..> N2
+N2 -[#000000]-> N3
+N3 ..[#000000]..> N4
+N4 ..[#C2B2F0]..> N5 : handles voice search
+N5 -[#00BCD4]-> N6 : improves core vitals
+N6 ..[#C2B2F0]..> N7 : indexes content
+N7 -[#C2B2F0]-> N8
+N8 -[#000000]-> N9 : understands intent
+N9 -[#CDDC39]-> N10 : crawls websites
+N10 -[#000000]-> N11
+N11 -[#C2B2F0]-> N12
+nest0_0 -[#CDDC39]-> nest0_1
+nest0_1 -[#C2B2F0]-> nest0_2
+N4 -[#CDDC39]-> nest0_0
+nest0_2 -[#000000]-> N3
+nest1_0 ..[#000000]..> nest1_1
+N3 -[#C2B2F0]-> nest1_0
+nest1_1 -[#C2B2F0]-> N4
+N4 -[#00BCD4]-> S0
+S0 -[#C2B2F0]-> N6 : processes queries
+S0 ..[#C2B2F0]..> N12
+S0 -[#00BCD4]-> N9
+S0 ..[#00BCD4]..> N8 : indexes academic papers
+N2 -[#CDDC39]-> M0
+N4 ..[#CDDC39]..> M0
+N1 -[#000000]-> M0
+N3 ..[#000000]..> M0
+M0 -[#C2B2F0]-> N8
+N1 -[#000000]-> M1
+N3 ..[#C2B2F0]..> M1
+N0 ..[#000000]..> M1
+M1 ..[#000000]..> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_231.txt b/test/plantuml/graph_hard/plantuml_231.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ef9901d6afee353f95cea8b6f8582c0f62c7f030
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_231.txt
@@ -0,0 +1,35 @@
+<Academic Search, connectedTo, Off_Page SEO>
+<Academic Search, partOf, Featured Snippets Optimization>
+<Content Quality Assessment, connectedTo, Video Search>
+<Content Quality Assessment, partOf, International SEO>
+<Core Web Vitals Optimization, connectedTo, Academic Search>
+<Core Web Vitals Optimization, partOf, Featured Snippets Optimization>
+<Google My Business Management, connectedTo, Query Processing>
+<Mobile_First Indexing, indexes content, Semantic Search>
+<Off_Page SEO, connectedTo, Search Console Management>
+<Off_Page SEO, partOf, Featured Snippets Optimization>
+<Personalized Search Results, connectedTo, Mobile_First Indexing>
+<Personalized Search Results, connectedTo, Search Engine Marketing Strategy>
+<Personalized Search Results, connectedTo, Shopping Search>
+<Query Processing, connectedTo, Crawling Websites>
+<Ranking Algorithms, connectedTo, Mobile_First Indexing>
+<Ranking Algorithms, connectedTo, Personalized Search Results>
+<Schema Markup Implementation, crawls websites, Google My Business Management>
+<Search Console Management, connectedTo, Content Quality Assessment>
+<Search Console Management, connectedTo, Mobile_First Indexing>
+<Search Console Management, connectedTo, Search Engine Marketing Strategy>
+<Search Console Management, connectedTo, Search Result Display>
+<Search Engine Marketing Strategy, understands intent, Schema Markup Implementation>
+<Search Result Display, connectedTo, Core Web Vitals Optimization>
+<Search Result Display, connectedTo, Crawling Websites>
+<Search Result Display, connectedTo, Schema Markup Implementation>
+<Search Result Display, connectedTo, Search Engine Marketing Strategy>
+<Search Result Display, handles voice search, Site Architecture Optimization>
+<Search Result Display, indexes academic papers, Search Engine Marketing Strategy>
+<Search Result Display, processes queries, Mobile_First Indexing>
+<Semantic Search, connectedTo, Search Engine Marketing Strategy>
+<Shopping Search, connectedTo, Search Console Management>
+<Shopping Search, connectedTo, Search Engine Marketing Strategy>
+<Site Architecture Optimization, improves core vitals, Mobile_First Indexing>
+<Video Search, connectedTo, Search Result Display>
+<Video Search, partOf, International SEO>
diff --git a/test/plantuml/graph_hard/plantuml_232.puml b/test/plantuml/graph_hard/plantuml_232.puml
new file mode 100644
index 0000000000000000000000000000000000000000..4e5e46fb8a4f7b840edc7f474ac48987219ecd68
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_232.puml
@@ -0,0 +1,79 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Verifiable Credentials" as Group0 #ECEFF1 {
+    frame "Identity Verification" as nest0_0 #D0E0F8
+    node "Digital Wallets for Identity" as nest0_1 #E9F7E8
+    node "Adaptive Authentication" as nest0_2 #E9F7E8
+    cloud "Data Minimization Principles" as nest0_3 #E9F7E8
+}
+rectangle "Password Management" as Group1 #E0F2F1 {
+    usecase "Digital Signatures" as nest1_0 #D0E0F8
+    usecase "KYC Integration" as nest1_1 #D0E0F8
+    usecase "Decentralized Identifiers" as nest1_2 #FCFCE7
+    folder "Identity Lifecycle Management" as nest1_3 #FCFCE7
+}
+folder "Risk_Based Authentication" as N0 #D0E0F8
+frame "De_provisioning" as N1 #D0E0F8
+frame "Credential Management" as N2 #FCFCE7
+cloud "Privileged Access Management" as N3 #D0E0F8
+folder "Workforce Identity Management" as N4 #FCFCE7
+folder "Digital Certificates" as N5 #FCFCE7
+usecase "Fraud Detection in Identity" as N6 #E9F7E8
+frame "Consent Management" as N7 #E9F7E8
+folder "User Provisioning" as N8 #FCFCE7
+usecase "Multi_Factor Authentication" as N9 #D0E0F8
+frame "Federated Identity Management" as N10 #FCFCE7
+node "Biometric Authentication" as N11 #D0E0F8
+circle " " as S1 #E9F7E8
+circle " " as S2 #E9F7E8
+circle " " as M0 #D0E0F8
+circle " " as M1 #E9F7E8
+circle " " as M2 #E9F7E8
+N0 -[#6EB76D]-> N1
+N1 -[#DCE775]-> N2
+N2 ..[#4285F4]..> N3
+N3 ..[#4285F4]..> N4
+N4 ..[#000000]..> N5 : uses digital signatures
+N5 ..[#DCE775]..> N6 : ensures privacy
+N6 ..[#000000]..> N7
+N7 -[#DCE775]-> N8
+N8 ..[#4285F4]..> N9 : issues verifiable credentials
+N9 ..[#DCE775]..> N10
+N10 ..[#000000]..> N11
+nest0_0 ..[#4285F4]..> nest0_1 : performs KYCs
+nest0_1 ..[#DCE775]..> nest0_2
+nest0_2 ..[#000000]..> nest0_3
+N2 ..[#4285F4]..> nest0_0
+nest0_3 -[#4285F4]-> N6 : assesses risks
+nest1_0 -[#6EB76D]-> nest1_1 : issues certificates
+nest1_1 ..[#000000]..> nest1_2
+nest1_2 ..[#000000]..> nest1_3
+N5 -[#DCE775]-> nest1_0
+nest1_3 ..[#4285F4]..> N11
+N0 ..[#4285F4]..> S1
+S1 ..[#4285F4]..> N7
+S1 ..[#000000]..> N6 : provisions users
+S1 ..[#6EB76D]..> N8
+S1 -[#000000]-> N3
+N6 ..[#6EB76D]..> S2
+S2 ..[#000000]..> N10 : de_provisions users
+S2 -[#000000]-> N8
+S2 -[#4285F4]-> N9
+S2 ..[#4285F4]..> N11
+N2 -[#DCE775]-> M0
+N3 -[#4285F4]-> M0
+N1 ..[#000000]..> M0
+N0 -[#4285F4]-> M0
+M0 ..[#4285F4]..> N5
+N2 ..[#000000]..> M1
+N1 -[#DCE775]-> M1
+N0 ..[#DCE775]..> M1
+M1 -[#000000]-> N5
+N4 ..[#4285F4]..> M2
+N5 ..[#DCE775]..> M2
+N2 -[#000000]-> M2
+N0 -[#DCE775]-> M2
+M2 ..[#DCE775]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_232.txt b/test/plantuml/graph_hard/plantuml_232.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a3818251cedfb2db16f8bf261b3984a5881c9944
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_232.txt
@@ -0,0 +1,44 @@
+<Adaptive Authentication, connectedTo, Data Minimization Principles>
+<Adaptive Authentication, partOf, Verifiable Credentials>
+<Consent Management, connectedTo, User Provisioning>
+<Credential Management, connectedTo, Digital Certificates>
+<Credential Management, connectedTo, Identity Verification>
+<Credential Management, connectedTo, Privileged Access Management>
+<Credential Management, connectedTo, User Provisioning>
+<Data Minimization Principles, assesses risks, Fraud Detection in Identity>
+<Data Minimization Principles, partOf, Verifiable Credentials>
+<De_provisioning, connectedTo, Credential Management>
+<De_provisioning, connectedTo, Digital Certificates>
+<Decentralized Identifiers, connectedTo, Identity Lifecycle Management>
+<Decentralized Identifiers, partOf, Password Management>
+<Digital Certificates, connectedTo, Digital Signatures>
+<Digital Certificates, connectedTo, User Provisioning>
+<Digital Certificates, ensures privacy, Fraud Detection in Identity>
+<Digital Signatures, issues certificates, KYC Integration>
+<Digital Signatures, partOf, Password Management>
+<Digital Wallets for Identity, connectedTo, Adaptive Authentication>
+<Digital Wallets for Identity, partOf, Verifiable Credentials>
+<Federated Identity Management, connectedTo, Biometric Authentication>
+<Fraud Detection in Identity, connectedTo, Biometric Authentication>
+<Fraud Detection in Identity, connectedTo, Consent Management>
+<Fraud Detection in Identity, connectedTo, Multi_Factor Authentication>
+<Fraud Detection in Identity, connectedTo, User Provisioning>
+<Fraud Detection in Identity, de_provisions users, Federated Identity Management>
+<Identity Lifecycle Management, connectedTo, Biometric Authentication>
+<Identity Lifecycle Management, partOf, Password Management>
+<Identity Verification, partOf, Verifiable Credentials>
+<Identity Verification, performs KYCs, Digital Wallets for Identity>
+<KYC Integration, connectedTo, Decentralized Identifiers>
+<KYC Integration, partOf, Password Management>
+<Multi_Factor Authentication, connectedTo, Federated Identity Management>
+<Privileged Access Management, connectedTo, Digital Certificates>
+<Privileged Access Management, connectedTo, Workforce Identity Management>
+<Risk_Based Authentication, connectedTo, Consent Management>
+<Risk_Based Authentication, connectedTo, De_provisioning>
+<Risk_Based Authentication, connectedTo, Digital Certificates>
+<Risk_Based Authentication, connectedTo, Privileged Access Management>
+<Risk_Based Authentication, connectedTo, User Provisioning>
+<Risk_Based Authentication, provisions users, Fraud Detection in Identity>
+<User Provisioning, issues verifiable credentials, Multi_Factor Authentication>
+<Workforce Identity Management, connectedTo, User Provisioning>
+<Workforce Identity Management, uses digital signatures, Digital Certificates>
diff --git a/test/plantuml/graph_hard/plantuml_233.puml b/test/plantuml/graph_hard/plantuml_233.puml
new file mode 100644
index 0000000000000000000000000000000000000000..cfe6756ee9e2d6d364b7043895e8369d377df299
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_233.puml
@@ -0,0 +1,68 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "KYC Integration" as Group0 #E3F2FD {
+    folder "Data Minimization Principles" as nest0_0 #FFE0B2
+    component "Credential Management" as nest0_1 #FFE0B2
+}
+rectangle "Customer Identity and Access Management" as Group1 #EDE7F6 {
+    folder "Verifiable Credentials" as nest1_0 #D7CCC8
+    folder "Consent Management" as nest1_1 #FFE0B2
+}
+database "Data Encryption for Identity" as N0 #FFE0B2
+cloud "Identity Verification" as N1 #D7CCC8
+folder "Authorization" as N2 #FFE0B2
+rectangle "Access Governance" as N3 #E8EAF6
+database "Blockchain_based Identity" as N4 #FFE0B2
+cloud "Attribute Management" as N5 #FFE0B2
+component "API Security for Identity" as N6 #E8EAF6
+artifact "Risk_Based Authentication" as N7 #FFE0B2
+rectangle "Social Login Integration" as N8 #FFE0B2
+cloud "De_provisioning" as N9 #FFE0B2
+artifact "Authentication" as N10 #D7CCC8
+folder "Single Sign_On" as N11 #D7CCC8
+node "Multi_Factor Authentication" as N12 #FFE0B2
+component "Privileged Access Management" as N13 #D7CCC8
+cloud "Identity Proofing" as N14 #E8EAF6
+artifact "Identity as a Service" as N15 #D7CCC8
+circle " " as S0 #D7CCC8
+circle " " as S1 #E8EAF6
+circle " " as M0 #E8EAF6
+circle " " as M1 #E8EAF6
+N0 -[#5C6BC0]-> N1
+N1 -[#5C6BC0]-> N2
+N2 -[#000000]-> N3 : authenticates users
+N3 -[#5C6BC0]-> N4
+N4 ..[#795548]..> N5
+N5 -[#000000]-> N6
+N6 ..[#5C6BC0]..> N7 : implements SSO
+N7 -[#FF9800]-> N8
+N8 -[#000000]-> N9
+N9 -[#5C6BC0]-> N10
+N10 -[#FF9800]-> N11
+N11 -[#000000]-> N12
+N12 ..[#000000]..> N13 : implements DIDs
+N13 -[#5C6BC0]-> N14
+N14 ..[#5C6BC0]..> N15
+nest0_0 ..[#795548]..> nest0_1
+N3 -[#795548]-> nest0_0
+nest0_1 -[#FF9800]-> N6
+nest1_0 -[#000000]-> nest1_1
+N1 -[#FF9800]-> nest1_0
+nest1_1 -[#5C6BC0]-> N1
+N6 ..[#795548]..> S0
+S0 ..[#FF9800]..> N8
+S0 -[#795548]-> N13
+S0 ..[#795548]..> N14
+N1 ..[#FF9800]..> S1
+S1 -[#FF9800]-> N8 : ensures non_repudiation
+S1 -[#000000]-> N12
+N0 -[#000000]-> M0
+N3 -[#000000]-> M0
+N8 ..[#5C6BC0]..> M0
+M0 -[#000000]-> N10
+N1 ..[#000000]..> M1
+N10 -[#000000]-> M1
+M1 -[#000000]-> N13
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_233.txt b/test/plantuml/graph_hard/plantuml_233.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5e781d8a39db8210dc6d96a7d00fac14715ef1a1
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_233.txt
@@ -0,0 +1,35 @@
+<API Security for Identity, connectedTo, Identity Proofing>
+<API Security for Identity, connectedTo, Privileged Access Management>
+<API Security for Identity, connectedTo, Social Login Integration>
+<API Security for Identity, implements SSO, Risk_Based Authentication>
+<Access Governance, connectedTo, Authentication>
+<Access Governance, connectedTo, Blockchain_based Identity>
+<Access Governance, connectedTo, Data Minimization Principles>
+<Attribute Management, connectedTo, API Security for Identity>
+<Authentication, connectedTo, Privileged Access Management>
+<Authentication, connectedTo, Single Sign_On>
+<Authorization, authenticates users, Access Governance>
+<Blockchain_based Identity, connectedTo, Attribute Management>
+<Consent Management, connectedTo, Identity Verification>
+<Consent Management, partOf, Customer Identity and Access Management>
+<Credential Management, connectedTo, API Security for Identity>
+<Credential Management, partOf, KYC Integration>
+<Data Encryption for Identity, connectedTo, Authentication>
+<Data Encryption for Identity, connectedTo, Identity Verification>
+<Data Minimization Principles, connectedTo, Credential Management>
+<Data Minimization Principles, partOf, KYC Integration>
+<De_provisioning, connectedTo, Authentication>
+<Identity Proofing, connectedTo, Identity as a Service>
+<Identity Verification, connectedTo, Authorization>
+<Identity Verification, connectedTo, Multi_Factor Authentication>
+<Identity Verification, connectedTo, Privileged Access Management>
+<Identity Verification, connectedTo, Verifiable Credentials>
+<Identity Verification, ensures non_repudiation, Social Login Integration>
+<Multi_Factor Authentication, implements DIDs, Privileged Access Management>
+<Privileged Access Management, connectedTo, Identity Proofing>
+<Risk_Based Authentication, connectedTo, Social Login Integration>
+<Single Sign_On, connectedTo, Multi_Factor Authentication>
+<Social Login Integration, connectedTo, Authentication>
+<Social Login Integration, connectedTo, De_provisioning>
+<Verifiable Credentials, connectedTo, Consent Management>
+<Verifiable Credentials, partOf, Customer Identity and Access Management>
diff --git a/test/plantuml/graph_hard/plantuml_234.puml b/test/plantuml/graph_hard/plantuml_234.puml
new file mode 100644
index 0000000000000000000000000000000000000000..1c79f15c970fef5d363503d4e2ef275af32e66fa
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_234.puml
@@ -0,0 +1,85 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Non_Repudiation" as Group0 #FCE4EC {
+    database "Verifiable Credentials" as nest0_0 #E0E6E9
+    folder "Privileged Access Management" as nest0_1 #ECEFF1
+}
+rectangle "Authorization" as Group1 #FCE4EC {
+    database "Attribute Management" as nest1_0 #FDFCEB
+    folder "Identity as a Service" as nest1_1 #ECEFF1
+    usecase "User Registration" as nest1_2 #FDFCEB
+    artifact "Blockchain_based Identity" as nest1_3 #FDFCEB
+}
+cloud "Decentralized Identifiers" as N0 #FDFCEB
+artifact "Credential Management" as N1 #ECEFF1
+cloud "De_provisioning" as N2 #E0E6E9
+usecase "Password Management" as N3 #ECEFF1
+artifact "User Provisioning" as N4 #E0E6E9
+usecase "Workforce Identity Management" as N5 #E0E6E9
+cloud "Portable Identities" as N6 #ECEFF1
+node "Identity Proofing" as N7 #FDFCEB
+usecase "Compliance with Data Protection Regulations" as N8 #FDFCEB
+folder "Federated Identity Management" as N9 #ECEFF1
+folder "Data Encryption for Identity" as N10 #E0E6E9
+folder "Data Minimization Principles" as N11 #FDFCEB
+frame "Identity Verification" as N12 #E0E6E9
+folder "Digital Certificates" as N13 #ECEFF1
+usecase "Single Sign_On" as N14 #E0E6E9
+usecase "Access Governance" as N15 #E0E6E9
+cloud "API Security for Identity" as N16 #E0E6E9
+frame "Authentication" as N17 #FDFCEB
+circle " " as S0 #FDFCEB
+circle " " as S1 #E0E6E9
+circle " " as M0 #ECEFF1
+circle " " as M1 #ECEFF1
+circle " " as M2 #FDFCEB
+N0 ..[#000000]..> N1
+N1 ..[#90A4AE]..> N2
+N2 ..[#000000]..> N3
+N3 -[#90A4AE]-> N4
+N4 ..[#90A4AE]..> N5
+N5 -[#EAEFA5]-> N6
+N6 -[#000000]-> N7
+N7 ..[#AABEC6]..> N8
+N8 ..[#000000]..> N9
+N9 ..[#90A4AE]..> N10
+N10 ..[#000000]..> N11
+N11 -[#EAEFA5]-> N12
+N12 -[#EAEFA5]-> N13
+N13 -[#90A4AE]-> N14
+N14 ..[#000000]..> N15
+N15 -[#000000]-> N16
+N16 ..[#90A4AE]..> N17
+nest0_0 ..[#000000]..> nest0_1
+N9 -[#EAEFA5]-> nest0_0
+nest0_1 -[#AABEC6]-> N3
+nest1_0 -[#000000]-> nest1_1
+nest1_1 ..[#90A4AE]..> nest1_2
+nest1_2 ..[#AABEC6]..> nest1_3
+N3 -[#EAEFA5]-> nest1_0
+nest1_3 ..[#000000]..> N1
+N1 -[#EAEFA5]-> S0
+S0 -[#000000]-> N16
+S0 -[#90A4AE]-> N10
+S0 -[#90A4AE]-> N11
+N10 ..[#AABEC6]..> S1
+S1 -[#000000]-> N14
+S1 -[#000000]-> N12
+S1 ..[#000000]..> N15
+S1 -[#EAEFA5]-> N13
+N0 -[#000000]-> M0
+N2 -[#000000]-> M0
+N1 ..[#AABEC6]..> M0
+N3 -[#AABEC6]-> M0
+M0 ..[#EAEFA5]..> N6
+N10 -[#EAEFA5]-> M1
+N14 -[#000000]-> M1
+N6 ..[#000000]..> M1
+M1 ..[#000000]..> N17
+N0 -[#90A4AE]-> M2
+N4 ..[#EAEFA5]..> M2
+N7 -[#AABEC6]-> M2
+M2 ..[#AABEC6]..> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_235.puml b/test/plantuml/graph_hard/plantuml_235.puml
new file mode 100644
index 0000000000000000000000000000000000000000..656efb9910679be621b74219a208736102b4ac9d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_235.puml
@@ -0,0 +1,76 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Accreditation Management" as Group0 #FFF3E0 {
+    rectangle "Test Preparation Courses" as nest0_0 #EDE7F6
+    folder "Competency_Based Education" as nest0_1 #FFFDE7
+}
+rectangle "Gamification in Education" as Group1 #FFF3E0 {
+    artifact "Online Tutoring" as nest1_0 #FFF0CC
+    database "Virtual Field Trips" as nest1_1 #EDE7F6
+}
+artifact "Parent or Guardian Communication" as N0 #EDE7F6
+rectangle "Virtual Classroom Facilitation" as N1 #EDE7F6
+artifact "Personalized Learning Paths" as N2 #FFFDE7
+folder "Bootcamp Development" as N3 #FFFDE7
+cloud "Assessment Design" as N4 #FFFDE7
+folder "Curriculum Development" as N5 #EDE7F6
+folder "Digital Badges" as N6 #FFF0CC
+folder "Asynchronous Learning" as N7 #FFF0CC
+database "Learning Management System Administration" as N8 #FFF0CC
+node "Course Evaluation" as N9 #FFFDE7
+artifact "Course Design" as N10 #FFFDE7
+database "Technical Support for Students" as N11 #EDE7F6
+node "Student Progress Tracking" as N12 #EDE7F6
+artifact "Peer_to_Peer Learning" as N13 #FFF0CC
+component "Collaborative Projects" as N14 #EDE7F6
+component "Adaptive Learning Technologies" as N15 #EDE7F6
+circle " " as S0 #FFF0CC
+circle " " as S1 #FFF0CC
+circle " " as M0 #FFF0CC
+circle " " as M1 #FFF0CC
+circle " " as M2 #FFF0CC
+N0 ..[#000000]..> N1
+N1 -[#000000]-> N2
+N2 -[#000000]-> N3
+N3 ..[#000000]..> N4
+N4 ..[#9575CD]..> N5
+N5 ..[#FFCC80]..> N6
+N6 ..[#9575CD]..> N7
+N7 ..[#000000]..> N8
+N8 ..[#000000]..> N9
+N9 ..[#000000]..> N10
+N10 ..[#FFCC80]..> N11
+N11 -[#9575CD]-> N12
+N12 ..[#9575CD]..> N13
+N13 ..[#9575CD]..> N14
+N14 ..[#FFCC80]..> N15
+nest0_0 -[#FFF176]-> nest0_1
+N9 ..[#FFF176]..> nest0_0
+nest0_1 -[#FFF176]-> N2
+nest1_0 -[#9575CD]-> nest1_1
+N9 -[#000000]-> nest1_0
+nest1_1 -[#FFCC80]-> N15
+N8 ..[#FFF176]..> S0
+S0 ..[#9575CD]..> N14
+S0 ..[#000000]..> N13
+N11 ..[#FFF176]..> S1
+S1 ..[#FFCC80]..> N15
+S1 -[#FFCC80]-> N13
+N3 -[#FFCC80]-> M0
+N1 ..[#FFF176]..> M0
+N4 -[#000000]-> M0
+N8 -[#FFF176]-> M0
+M0 ..[#FFF176]..> N13
+N13 -[#9575CD]-> M1
+N11 -[#000000]-> M1
+N0 -[#FFF176]-> M1
+N10 -[#FFCC80]-> M1
+M1 ..[#000000]..> N15
+N1 ..[#FFF176]..> M2
+N4 -[#000000]-> M2
+N3 -[#FFF176]-> M2
+N0 -[#FFCC80]-> M2
+M2 -[#FFCC80]-> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_235.txt b/test/plantuml/graph_hard/plantuml_235.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b712d9fe05816b3a8e1beeb1f241375f3e1e18a0
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_235.txt
@@ -0,0 +1,39 @@
+<Assessment Design, connectedTo, Curriculum Development>
+<Assessment Design, connectedTo, Digital Badges>
+<Assessment Design, connectedTo, Peer_to_Peer Learning>
+<Asynchronous Learning, connectedTo, Learning Management System Administration>
+<Bootcamp Development, connectedTo, Assessment Design>
+<Bootcamp Development, connectedTo, Digital Badges>
+<Bootcamp Development, connectedTo, Peer_to_Peer Learning>
+<Collaborative Projects, connectedTo, Adaptive Learning Technologies>
+<Competency_Based Education, connectedTo, Personalized Learning Paths>
+<Competency_Based Education, partOf, Accreditation Management>
+<Course Design, connectedTo, Adaptive Learning Technologies>
+<Course Design, connectedTo, Technical Support for Students>
+<Course Evaluation, connectedTo, Course Design>
+<Course Evaluation, connectedTo, Online Tutoring>
+<Course Evaluation, connectedTo, Test Preparation Courses>
+<Curriculum Development, connectedTo, Digital Badges>
+<Digital Badges, connectedTo, Asynchronous Learning>
+<Learning Management System Administration, connectedTo, Collaborative Projects>
+<Learning Management System Administration, connectedTo, Course Evaluation>
+<Learning Management System Administration, connectedTo, Peer_to_Peer Learning>
+<Online Tutoring, connectedTo, Virtual Field Trips>
+<Online Tutoring, partOf, Gamification in Education>
+<Parent or Guardian Communication, connectedTo, Adaptive Learning Technologies>
+<Parent or Guardian Communication, connectedTo, Digital Badges>
+<Parent or Guardian Communication, connectedTo, Virtual Classroom Facilitation>
+<Peer_to_Peer Learning, connectedTo, Adaptive Learning Technologies>
+<Peer_to_Peer Learning, connectedTo, Collaborative Projects>
+<Personalized Learning Paths, connectedTo, Bootcamp Development>
+<Student Progress Tracking, connectedTo, Peer_to_Peer Learning>
+<Technical Support for Students, connectedTo, Adaptive Learning Technologies>
+<Technical Support for Students, connectedTo, Peer_to_Peer Learning>
+<Technical Support for Students, connectedTo, Student Progress Tracking>
+<Test Preparation Courses, connectedTo, Competency_Based Education>
+<Test Preparation Courses, partOf, Accreditation Management>
+<Virtual Classroom Facilitation, connectedTo, Digital Badges>
+<Virtual Classroom Facilitation, connectedTo, Peer_to_Peer Learning>
+<Virtual Classroom Facilitation, connectedTo, Personalized Learning Paths>
+<Virtual Field Trips, connectedTo, Adaptive Learning Technologies>
+<Virtual Field Trips, partOf, Gamification in Education>
diff --git a/test/plantuml/graph_hard/plantuml_236.puml b/test/plantuml/graph_hard/plantuml_236.puml
new file mode 100644
index 0000000000000000000000000000000000000000..36b539fe170e2ff65cc9c13acf8dabb4528f1e2d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_236.puml
@@ -0,0 +1,65 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Enrollment and Retention Strategies" as Group0 #ECEFF1 {
+    folder "Content Creation" as nest0_0 #FFF6D9
+    artifact "Professional Development Courses" as nest0_1 #FFF6D9
+    artifact "Blended Learning Models" as nest0_2 #FFF6D9
+    component "Interactive Learning Activities" as nest0_3 #FFF6D9
+}
+rectangle "Assessment Design" as Group1 #E0F2F1 {
+    folder "Learning Management System Administration" as nest1_0 #FCFCE7
+    rectangle "Peer_to_Peer Learning" as nest1_1 #FFF6D9
+    frame "Course Evaluation" as nest1_2 #F5F5F5
+    cloud "AI in Online Education" as nest1_3 #F5F5F5
+}
+frame "Virtual Classroom Facilitation" as N0 #FCFCE7
+database "Accreditation Management" as N1 #FFF6D9
+node "Competency_Based Education" as N2 #FCFCE7
+database "Language Learning Platforms" as N3 #F5F5F5
+component "Instructor Training" as N4 #FFF6D9
+cloud "Learning Analytics" as N5 #FCFCE7
+component "Student Progress Tracking" as N6 #FCFCE7
+frame "Course Design" as N7 #F5F5F5
+cloud "Adaptive Learning Technologies" as N8 #FFF6D9
+circle " " as S0 #FCFCE7
+circle " " as S1 #FFF6D9
+circle " " as S2 #F5F5F5
+circle " " as M0 #FCFCE7
+N0 -[#000000]-> N1
+N1 -[#BDBDBD]-> N2
+N2 -[#DCE775]-> N3
+N3 -[#FFCC7A]-> N4
+N4 ..[#DCE775]..> N5
+N5 -[#000000]-> N6
+N6 -[#FFCC7A]-> N7 : provides formative assessment
+N7 ..[#FFCC7A]..> N8
+nest0_0 ..[#FFCC7A]..> nest0_1
+nest0_1 -[#BDBDBD]-> nest0_2
+nest0_2 -[#000000]-> nest0_3
+N3 -[#000000]-> nest0_0 : tracks progress
+nest0_3 ..[#FFCC7A]..> N7
+nest1_0 ..[#BDBDBD]..> nest1_1
+nest1_1 -[#FFCC7A]-> nest1_2
+nest1_2 ..[#BDBDBD]..> nest1_3
+N5 ..[#000000]..> nest1_0
+nest1_3 ..[#DCE775]..> N8
+N2 -[#FFCC7A]-> S0
+S0 -[#FFCC7A]-> N7
+S0 ..[#DCE775]..> N4
+S0 -[#FFCC7A]-> N8
+S0 -[#FFCC7A]-> N5
+N0 -[#DCE775]-> S1
+S1 -[#DCE775]-> N3
+S1 -[#000000]-> N6
+S1 ..[#000000]..> N4
+N0 ..[#BDBDBD]..> S2
+S2 -[#DCE775]-> N4
+S2 ..[#000000]..> N3
+S2 ..[#DCE775]..> N6
+S2 ..[#FFCC7A]..> N7
+N0 -[#BDBDBD]-> M0
+N2 -[#FFCC7A]-> M0 : provides feedback
+M0 ..[#DCE775]..> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_236.txt b/test/plantuml/graph_hard/plantuml_236.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8735ed0d637399678b0d980363a4f2cdabc26a23
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_236.txt
@@ -0,0 +1,36 @@
+<AI in Online Education, connectedTo, Adaptive Learning Technologies>
+<AI in Online Education, partOf, Assessment Design>
+<Accreditation Management, connectedTo, Competency_Based Education>
+<Blended Learning Models, connectedTo, Interactive Learning Activities>
+<Blended Learning Models, partOf, Enrollment and Retention Strategies>
+<Competency_Based Education, connectedTo, Adaptive Learning Technologies>
+<Competency_Based Education, connectedTo, Course Design>
+<Competency_Based Education, connectedTo, Instructor Training>
+<Competency_Based Education, connectedTo, Language Learning Platforms>
+<Competency_Based Education, connectedTo, Learning Analytics>
+<Competency_Based Education, provides feedback, Learning Analytics>
+<Content Creation, connectedTo, Professional Development Courses>
+<Content Creation, partOf, Enrollment and Retention Strategies>
+<Course Design, connectedTo, Adaptive Learning Technologies>
+<Course Evaluation, connectedTo, AI in Online Education>
+<Course Evaluation, partOf, Assessment Design>
+<Instructor Training, connectedTo, Learning Analytics>
+<Interactive Learning Activities, connectedTo, Course Design>
+<Interactive Learning Activities, partOf, Enrollment and Retention Strategies>
+<Language Learning Platforms, connectedTo, Instructor Training>
+<Language Learning Platforms, tracks progress, Content Creation>
+<Learning Analytics, connectedTo, Learning Management System Administration>
+<Learning Analytics, connectedTo, Student Progress Tracking>
+<Learning Management System Administration, connectedTo, Peer_to_Peer Learning>
+<Learning Management System Administration, partOf, Assessment Design>
+<Peer_to_Peer Learning, connectedTo, Course Evaluation>
+<Peer_to_Peer Learning, partOf, Assessment Design>
+<Professional Development Courses, connectedTo, Blended Learning Models>
+<Professional Development Courses, partOf, Enrollment and Retention Strategies>
+<Student Progress Tracking, provides formative assessment, Course Design>
+<Virtual Classroom Facilitation, connectedTo, Accreditation Management>
+<Virtual Classroom Facilitation, connectedTo, Course Design>
+<Virtual Classroom Facilitation, connectedTo, Instructor Training>
+<Virtual Classroom Facilitation, connectedTo, Language Learning Platforms>
+<Virtual Classroom Facilitation, connectedTo, Learning Analytics>
+<Virtual Classroom Facilitation, connectedTo, Student Progress Tracking>
diff --git a/test/plantuml/graph_hard/plantuml_237.puml b/test/plantuml/graph_hard/plantuml_237.puml
new file mode 100644
index 0000000000000000000000000000000000000000..2262b2b88bfd9308a493cd502909cabde8abb060
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_237.puml
@@ -0,0 +1,65 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Course Evaluation" as Group0 #EDE7F6 {
+    node "Professional Development Courses" as nest0_0 #E3F2FD
+    artifact "Micro_credential Programs" as nest0_1 #E3F2FD
+    node "Online Tutoring" as nest0_2 #FCE4EC
+}
+rectangle "Test Preparation Courses" as Group1 #E0F2F1 {
+    cloud "Digital Badges" as nest1_0 #FCE4EC
+    frame "Bootcamp Development" as nest1_1 #C9F0F0
+    node "Parent or Guardian Communication" as nest1_2 #C9F0F0
+}
+component "Accessibility Features" as N0 #C9F0F0
+component "Learning Analytics" as N1 #E3F2FD
+database "Competency_Based Education" as N2 #FCE4EC
+artifact "Virtual Labs and Simulations" as N3 #FCE4EC
+component "Synchronous Learning" as N4 #E3F2FD
+node "Virtual Field Trips" as N5 #E3F2FD
+cloud "Adaptive Learning Technologies" as N6 #E3F2FD
+usecase "Certification Issuance" as N7 #FCE4EC
+frame "Collaborative Projects" as N8 #C9F0F0
+rectangle "Technical Support for Students" as N9 #FCE4EC
+frame "Assessment Design" as N10 #E3F2FD
+frame "Instructor Training" as N11 #E3F2FD
+rectangle "Content Creation" as N12 #C9F0F0
+rectangle "Blended Learning Models" as N13 #C9F0F0
+circle " " as S1 #C9F0F0
+circle " " as S2 #C9F0F0
+circle " " as M2 #FCE4EC
+N0 -[#000000]-> N1 : offers online tutoring
+N1 ..[#E91E63]..> N2
+N2 -[#64B5F6]-> N3
+N3 ..[#4DD0E1]..> N4
+N4 ..[#000000]..> N5
+N5 -[#4DD0E1]-> N6
+N6 ..[#000000]..> N7
+N7 -[#000000]-> N8
+N8 -[#4DD0E1]-> N9
+N9 -[#64B5F6]-> N10 : integrates AI
+N10 ..[#E91E63]..> N11
+N11 -[#4DD0E1]-> N12
+N12 ..[#4DD0E1]..> N13
+nest0_0 ..[#64B5F6]..> nest0_1
+nest0_1 ..[#000000]..> nest0_2
+N11 ..[#64B5F6]..> nest0_0
+nest0_2 -[#000000]-> N6 : facilitates discussions
+nest1_0 -[#000000]-> nest1_1
+nest1_1 ..[#000000]..> nest1_2
+N9 -[#64B5F6]-> nest1_0
+nest1_2 -[#000000]-> N7
+N4 ..[#000000]..> S1
+S1 -[#4DD0E1]-> N6
+S1 ..[#64B5F6]..> N10 : develops platforms
+S1 ..[#E91E63]..> N7
+N3 ..[#000000]..> S2
+S2 -[#4DD0E1]-> N10
+S2 -[#000000]-> N5
+S2 ..[#4DD0E1]..> N7 : supports SEL
+N6 -[#E91E63]-> M2
+N2 ..[#64B5F6]..> M2
+N3 -[#000000]-> M2 : simulates labs
+M2 -[#64B5F6]-> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_237.txt b/test/plantuml/graph_hard/plantuml_237.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4d746b9928da2ea807a5eff428a1599e0e6c3737
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_237.txt
@@ -0,0 +1,36 @@
+<Accessibility Features, offers online tutoring, Learning Analytics>
+<Adaptive Learning Technologies, connectedTo, Assessment Design>
+<Adaptive Learning Technologies, connectedTo, Certification Issuance>
+<Assessment Design, connectedTo, Instructor Training>
+<Bootcamp Development, connectedTo, Parent or Guardian Communication>
+<Bootcamp Development, partOf, Test Preparation Courses>
+<Certification Issuance, connectedTo, Collaborative Projects>
+<Collaborative Projects, connectedTo, Technical Support for Students>
+<Competency_Based Education, connectedTo, Assessment Design>
+<Competency_Based Education, connectedTo, Virtual Labs and Simulations>
+<Content Creation, connectedTo, Blended Learning Models>
+<Digital Badges, connectedTo, Bootcamp Development>
+<Digital Badges, partOf, Test Preparation Courses>
+<Instructor Training, connectedTo, Content Creation>
+<Instructor Training, connectedTo, Professional Development Courses>
+<Learning Analytics, connectedTo, Competency_Based Education>
+<Micro_credential Programs, connectedTo, Online Tutoring>
+<Micro_credential Programs, partOf, Course Evaluation>
+<Online Tutoring, facilitates discussions, Adaptive Learning Technologies>
+<Online Tutoring, partOf, Course Evaluation>
+<Parent or Guardian Communication, connectedTo, Certification Issuance>
+<Parent or Guardian Communication, partOf, Test Preparation Courses>
+<Professional Development Courses, connectedTo, Micro_credential Programs>
+<Professional Development Courses, partOf, Course Evaluation>
+<Synchronous Learning, connectedTo, Adaptive Learning Technologies>
+<Synchronous Learning, connectedTo, Certification Issuance>
+<Synchronous Learning, connectedTo, Virtual Field Trips>
+<Synchronous Learning, develops platforms, Assessment Design>
+<Technical Support for Students, connectedTo, Digital Badges>
+<Technical Support for Students, integrates AI, Assessment Design>
+<Virtual Field Trips, connectedTo, Adaptive Learning Technologies>
+<Virtual Labs and Simulations, connectedTo, Assessment Design>
+<Virtual Labs and Simulations, connectedTo, Synchronous Learning>
+<Virtual Labs and Simulations, connectedTo, Virtual Field Trips>
+<Virtual Labs and Simulations, simulates labs, Assessment Design>
+<Virtual Labs and Simulations, supports SEL, Certification Issuance>
diff --git a/test/plantuml/graph_hard/plantuml_238.puml b/test/plantuml/graph_hard/plantuml_238.puml
new file mode 100644
index 0000000000000000000000000000000000000000..813945597496fcee1665316907f137947b6b4236
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_238.puml
@@ -0,0 +1,71 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Instructor_Led Sessions" as Group0 #F3E5F5 {
+    artifact "Employer Recognition" as nest0_0 #E1BEE7
+    artifact "Financial Aid for Learners" as nest0_1 #DED7F0
+}
+rectangle "Content Licensing" as Group1 #F1F8E9 {
+    folder "Marketing to Global Audience" as nest1_0 #FFF9D4
+    frame "Industry Collaboration for Content" as nest1_1 #E1BEE7
+}
+usecase "Career Pathway Mapping" as N0 #E1BEE7
+database "Corporate Training Solutions" as N1 #E1BEE7
+folder "Subscription Models" as N2 #FFF9D4
+database "Engagement Metrics Tracking" as N3 #FFF9D4
+database "Micro_credential Stacking" as N4 #E1BEE7
+rectangle "Discussion Forum Management" as N5 #E1BEE7
+artifact "Mobile Learning Experience" as N6 #E1BEE7
+node "Learner Support" as N7 #E1BEE7
+rectangle "Learner Analytics" as N8 #FFF9D4
+node "Skill_Based Learning Outcomes" as N9 #DED7F0
+folder "Forum Moderation" as N10 #DED7F0
+frame "Specialization or Professional Certificate Programs" as N11 #DED7F0
+folder "Technical Infrastructure for Scale" as N12 #FFF9D4
+cloud "Course Pilot Testing" as N13 #E1BEE7
+node "Translation and Localization" as N14 #DED7F0
+artifact "Gamification for Engagement" as N15 #E1BEE7
+rectangle "Continuous Course Improvement" as N16 #E1BEE7
+usecase "Self_Paced Learning Tracks" as N17 #E1BEE7
+artifact "Verified Track Management" as N18 #DED7F0
+circle " " as S0 #DED7F0
+circle " " as S1 #FFF9D4
+circle " " as M0 #E1BEE7
+N0 ..[#FFE69C]..> N1 : manages registrations
+N1 -[#A188DB]-> N2
+N2 -[#A188DB]-> N3
+N3 -[#000000]-> N4
+N4 -[#000000]-> N5
+N5 -[#9C27B0]-> N6
+N6 ..[#A188DB]..> N7
+N7 -[#9C27B0]-> N8
+N8 -[#9C27B0]-> N9
+N9 ..[#A188DB]..> N10
+N10 -[#9C27B0]-> N11
+N11 -[#9C27B0]-> N12
+N12 ..[#000000]..> N13
+N13 ..[#9C27B0]..> N14
+N14 ..[#9C27B0]..> N15
+N15 ..[#FFE69C]..> N16
+N16 -[#000000]-> N17
+N17 -[#000000]-> N18
+nest0_0 -[#000000]-> nest0_1
+N8 ..[#A188DB]..> nest0_0
+nest0_1 ..[#9C27B0]..> N1
+nest1_0 ..[#A188DB]..> nest1_1
+N9 ..[#9C27B0]..> nest1_0
+nest1_1 -[#000000]-> N6
+N13 -[#A188DB]-> S0
+S0 ..[#FFE69C]..> N16
+S0 -[#9C27B0]-> N18
+S0 -[#FFE69C]-> N17
+N4 ..[#9C27B0]..> S1
+S1 ..[#A188DB]..> N10
+S1 -[#FFE69C]-> N8
+S1 -[#9C27B0]-> N6 : provides technical support
+N8 -[#FFE69C]-> M0
+N2 ..[#000000]..> M0
+N4 -[#000000]-> M0
+M0 -[#000000]-> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_238.txt b/test/plantuml/graph_hard/plantuml_238.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d03f5b9058139d16d9170252706167f7d0eca668
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_238.txt
@@ -0,0 +1,36 @@
+<Career Pathway Mapping, manages registrations, Corporate Training Solutions>
+<Continuous Course Improvement, connectedTo, Self_Paced Learning Tracks>
+<Corporate Training Solutions, connectedTo, Subscription Models>
+<Course Pilot Testing, connectedTo, Continuous Course Improvement>
+<Course Pilot Testing, connectedTo, Self_Paced Learning Tracks>
+<Course Pilot Testing, connectedTo, Translation and Localization>
+<Course Pilot Testing, connectedTo, Verified Track Management>
+<Discussion Forum Management, connectedTo, Mobile Learning Experience>
+<Employer Recognition, connectedTo, Financial Aid for Learners>
+<Employer Recognition, partOf, Instructor_Led Sessions>
+<Engagement Metrics Tracking, connectedTo, Micro_credential Stacking>
+<Financial Aid for Learners, connectedTo, Corporate Training Solutions>
+<Financial Aid for Learners, partOf, Instructor_Led Sessions>
+<Forum Moderation, connectedTo, Specialization or Professional Certificate Programs>
+<Gamification for Engagement, connectedTo, Continuous Course Improvement>
+<Industry Collaboration for Content, connectedTo, Mobile Learning Experience>
+<Industry Collaboration for Content, partOf, Content Licensing>
+<Learner Analytics, connectedTo, Employer Recognition>
+<Learner Analytics, connectedTo, Forum Moderation>
+<Learner Analytics, connectedTo, Skill_Based Learning Outcomes>
+<Learner Support, connectedTo, Learner Analytics>
+<Marketing to Global Audience, connectedTo, Industry Collaboration for Content>
+<Marketing to Global Audience, partOf, Content Licensing>
+<Micro_credential Stacking, connectedTo, Discussion Forum Management>
+<Micro_credential Stacking, connectedTo, Forum Moderation>
+<Micro_credential Stacking, connectedTo, Learner Analytics>
+<Micro_credential Stacking, provides technical support, Mobile Learning Experience>
+<Mobile Learning Experience, connectedTo, Learner Support>
+<Self_Paced Learning Tracks, connectedTo, Verified Track Management>
+<Skill_Based Learning Outcomes, connectedTo, Forum Moderation>
+<Skill_Based Learning Outcomes, connectedTo, Marketing to Global Audience>
+<Specialization or Professional Certificate Programs, connectedTo, Technical Infrastructure for Scale>
+<Subscription Models, connectedTo, Engagement Metrics Tracking>
+<Subscription Models, connectedTo, Forum Moderation>
+<Technical Infrastructure for Scale, connectedTo, Course Pilot Testing>
+<Translation and Localization, connectedTo, Gamification for Engagement>
diff --git a/test/plantuml/graph_hard/plantuml_239.puml b/test/plantuml/graph_hard/plantuml_239.puml
new file mode 100644
index 0000000000000000000000000000000000000000..1ee0c7f8bcd955d35768eed6cc75360268f173e5
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_239.puml
@@ -0,0 +1,65 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Self_Paced Learning Tracks" as Group0 #ECEFF1 {
+    folder "Peer Grading Implementation" as nest0_0 #ECF0FD
+    folder "Skill_Based Learning Outcomes" as nest0_1 #EFE6FF
+}
+rectangle "Learner Support" as Group1 #F1F8E9 {
+    folder "Corporate Training Solutions" as nest1_0 #FFEBEB
+    folder "Employer Recognition" as nest1_1 #FFEBEB
+    cloud "Continuous Course Improvement" as nest1_2 #ECF0FD
+    folder "Research on MOOC Effectiveness" as nest1_3 #FFEBEB
+}
+artifact "Engagement Metrics Tracking" as N0 #EFE6FF
+usecase "Industry Collaboration for Content" as N1 #ECF0FD
+rectangle "Translation and Localization" as N2 #FFEBEB
+node "Mobile Learning Experience" as N3 #FFEBEB
+usecase "Subscription Models" as N4 #EFE6FF
+node "Gamification for Engagement" as N5 #ECF0FD
+frame "Micro_credential Stacking" as N6 #ECF0FD
+artifact "Learner Feedback Analysis" as N7 #ECF0FD
+usecase "Course Promotion" as N8 #ECF0FD
+folder "Assessment Creation" as N9 #FFEBEB
+artifact "Technical Infrastructure for Scale" as N10 #EFE6FF
+cloud "University Partnerships" as N11 #FFEBEB
+circle " " as S0 #EFE6FF
+circle " " as S1 #ECF0FD
+circle " " as M0 #FFEBEB
+circle " " as M1 #ECF0FD
+N0 ..[#FFC2C2]..> N1
+N1 -[#B8C0F5]-> N2
+N2 ..[#000000]..> N3
+N3 -[#B8C0F5]-> N4
+N4 -[#000000]-> N5
+N5 ..[#FFC2C2]..> N6
+N6 -[#FFC2C2]-> N7
+N7 -[#FFC2C2]-> N8
+N8 -[#FFC2C2]-> N9
+N9 -[#B8C0F5]-> N10
+N10 -[#000000]-> N11
+nest0_0 ..[#000000]..> nest0_1
+N6 ..[#000000]..> nest0_0 : develops content
+nest0_1 ..[#000000]..> N8
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 -[#C2B2F0]-> nest1_2
+nest1_2 ..[#C2B2F0]..> nest1_3
+N5 ..[#FFC2C2]..> nest1_0
+nest1_3 ..[#FFC2C2]..> N4 : manages instructors
+N7 -[#B8C0F5]-> S0
+S0 -[#C2B2F0]-> N11
+S0 -[#FFC2C2]-> N10
+S0 -[#C2B2F0]-> N9
+N8 ..[#B8C0F5]..> S1
+S1 ..[#B8C0F5]..> N10
+S1 ..[#C2B2F0]..> N11
+N5 ..[#000000]..> M0
+N8 ..[#FFC2C2]..> M0 : builds communities
+N6 -[#000000]-> M0
+N3 ..[#B8C0F5]..> M0
+M0 -[#B8C0F5]-> N10
+N6 ..[#000000]..> M1
+N2 ..[#C2B2F0]..> M1
+M1 -[#000000]-> N11
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_239.txt b/test/plantuml/graph_hard/plantuml_239.txt
new file mode 100644
index 0000000000000000000000000000000000000000..345820d183597208bc777a62f7daa86f0fd95d62
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_239.txt
@@ -0,0 +1,36 @@
+<Assessment Creation, connectedTo, Technical Infrastructure for Scale>
+<Continuous Course Improvement, connectedTo, Research on MOOC Effectiveness>
+<Continuous Course Improvement, partOf, Learner Support>
+<Corporate Training Solutions, connectedTo, Employer Recognition>
+<Corporate Training Solutions, partOf, Learner Support>
+<Course Promotion, builds communities, Technical Infrastructure for Scale>
+<Course Promotion, connectedTo, Assessment Creation>
+<Course Promotion, connectedTo, Technical Infrastructure for Scale>
+<Course Promotion, connectedTo, University Partnerships>
+<Employer Recognition, connectedTo, Continuous Course Improvement>
+<Employer Recognition, partOf, Learner Support>
+<Engagement Metrics Tracking, connectedTo, Industry Collaboration for Content>
+<Gamification for Engagement, connectedTo, Corporate Training Solutions>
+<Gamification for Engagement, connectedTo, Micro_credential Stacking>
+<Gamification for Engagement, connectedTo, Technical Infrastructure for Scale>
+<Industry Collaboration for Content, connectedTo, Translation and Localization>
+<Learner Feedback Analysis, connectedTo, Assessment Creation>
+<Learner Feedback Analysis, connectedTo, Course Promotion>
+<Learner Feedback Analysis, connectedTo, Technical Infrastructure for Scale>
+<Learner Feedback Analysis, connectedTo, University Partnerships>
+<Micro_credential Stacking, connectedTo, Learner Feedback Analysis>
+<Micro_credential Stacking, connectedTo, Technical Infrastructure for Scale>
+<Micro_credential Stacking, connectedTo, University Partnerships>
+<Micro_credential Stacking, develops content, Peer Grading Implementation>
+<Mobile Learning Experience, connectedTo, Subscription Models>
+<Mobile Learning Experience, connectedTo, Technical Infrastructure for Scale>
+<Peer Grading Implementation, connectedTo, Skill_Based Learning Outcomes>
+<Peer Grading Implementation, partOf, Self_Paced Learning Tracks>
+<Research on MOOC Effectiveness, manages instructors, Subscription Models>
+<Research on MOOC Effectiveness, partOf, Learner Support>
+<Skill_Based Learning Outcomes, connectedTo, Course Promotion>
+<Skill_Based Learning Outcomes, partOf, Self_Paced Learning Tracks>
+<Subscription Models, connectedTo, Gamification for Engagement>
+<Technical Infrastructure for Scale, connectedTo, University Partnerships>
+<Translation and Localization, connectedTo, Mobile Learning Experience>
+<Translation and Localization, connectedTo, University Partnerships>
diff --git a/test/plantuml/graph_hard/plantuml_24.puml b/test/plantuml/graph_hard/plantuml_24.puml
new file mode 100644
index 0000000000000000000000000000000000000000..657afc8eb2fb192ccd302ca48144050ce4bcc8c9
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_24.puml
@@ -0,0 +1,66 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Due Diligence" as Group0 #ECEFF1 {
+    node "Divorce Proceedings" as nest0_0 #EDF5F3
+    node "Trademark Registration" as nest0_1 #FFF9D4
+    folder "Intel Property Licensing" as nest0_2 #FFF9D4
+}
+rectangle "Appeal Submission" as Group1 #E0F2F1 {
+    folder "Regulatory Compliance Review" as nest1_0 #E8EAF6
+    cloud "Child Custody" as nest1_1 #FFF9D4
+    artifact "Notarization" as nest1_2 #E8EAF6
+}
+artifact "Bail Hearing" as N0 #E8EAF6
+folder "Witness Testimony" as N1 #E8EAF6
+usecase "Closing Argument" as N2 #EDF5F3
+folder "Pre_Trial Hearing" as N3 #EDF5F3
+folder "Amicus Brief Submission" as N4 #EDF5F3
+frame "Legal Research" as N5 #E8EAF6
+cloud "Document Drafting" as N6 #FFF9D4
+node "Enforcement" as N7 #FFF9D4
+folder "Discovery Process" as N8 #FFF9D4
+cloud "Bankruptcy Filing" as N9 #EDF5F3
+circle " " as S0 #FFF9D4
+circle " " as S1 #EDF5F3
+circle " " as S2 #EDF5F3
+circle " " as M0 #E8EAF6
+circle " " as M1 #FFF9D4
+N0 ..[#FFE69C]..> N1
+N1 -[#FFE69C]-> N2
+N2 -[#FFE69C]-> N3
+N3 ..[#000000]..> N4
+N4 ..[#A1D7CD]..> N5
+N5 -[#000000]-> N6
+N6 ..[#000000]..> N7
+N7 -[#7986CB]-> N8
+N8 -[#A1D7CD]-> N9
+nest0_0 -[#A1D7CD]-> nest0_1
+nest0_1 ..[#000000]..> nest0_2
+N5 ..[#A1D7CD]..> nest0_0
+nest0_2 -[#7986CB]-> N9
+nest1_0 -[#000000]-> nest1_1
+nest1_1 ..[#FFE69C]..> nest1_2
+N5 -[#FFE69C]-> nest1_0
+nest1_2 -[#000000]-> N6
+N4 ..[#FFE69C]..> S0
+S0 -[#FFE69C]-> N6
+S0 ..[#FFE69C]..> N8
+S0 ..[#000000]..> N9
+S0 ..[#7986CB]..> N7
+N5 -[#FFE69C]-> S1
+S1 ..[#FFE69C]..> N7
+S1 -[#000000]-> N8
+S1 ..[#7986CB]..> N9
+N5 ..[#7986CB]..> S2
+S2 -[#7986CB]-> N9
+S2 -[#7986CB]-> N8
+S2 ..[#7986CB]..> N7
+N1 -[#A1D7CD]-> M0
+N0 -[#A1D7CD]-> M0
+M0 -[#FFE69C]-> N3
+N1 -[#FFE69C]-> M1
+N0 ..[#7986CB]..> M1
+M1 -[#7986CB]-> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_240.puml b/test/plantuml/graph_hard/plantuml_240.puml
new file mode 100644
index 0000000000000000000000000000000000000000..fbd26c689200930c21c7a161f9e126443ccfb047
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_240.puml
@@ -0,0 +1,51 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Specialization or Professional Certificate Programs" as Group0 #E3F2FD {
+    folder "Completion Rate Optimization" as nest0_0 #F1F8E9
+    database "Subscription Models" as nest0_1 #F1F8E9
+    artifact "Corporate Training Solutions" as nest0_2 #E8EAF6
+    artifact "Mobile Learning Experience" as nest0_3 #ECEFF1
+}
+rectangle "Micro_credential Stacking" as Group1 #FCE4EC {
+    rectangle "Assessment Creation" as nest1_0 #E8EAF6
+    node "Skill_Based Learning Outcomes" as nest1_1 #E8EAF6
+    node "Course Promotion" as nest1_2 #F1F8E9
+    database "Discussion Forum Management" as nest1_3 #F1F8E9
+}
+artifact "Course Pilot Testing" as N0 #F1F8E9
+folder "Financial Aid for Learners" as N1 #E8EAF6
+folder "Platform Selection" as N2 #F1F8E9
+folder "Translation and Localization" as N3 #E8EAF6
+component "Course Audit Options" as N4 #F1F8E9
+component "Self_Paced Learning Tracks" as N5 #ECEFF1
+database "Learner Analytics" as N6 #ECEFF1
+circle " " as S0 #F1F8E9
+circle " " as M2 #E8EAF6
+N0 ..[#388E3C]..> N1 : funds development
+N1 ..[#000000]..> N2
+N2 -[#388E3C]-> N3
+N3 ..[#000000]..> N4
+N4 ..[#5C6BC0]..> N5
+N5 -[#90A4AE]-> N6
+nest0_0 ..[#90A4AE]..> nest0_1
+nest0_1 -[#90A4AE]-> nest0_2
+nest0_2 -[#388E3C]-> nest0_3
+N3 -[#000000]-> nest0_0
+nest0_3 -[#5C6BC0]-> N4
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 ..[#90A4AE]..> nest1_2
+nest1_2 ..[#000000]..> nest1_3
+N4 -[#388E3C]-> nest1_0
+nest1_3 ..[#000000]..> N4
+N3 ..[#388E3C]..> S0
+S0 ..[#000000]..> N5
+S0 ..[#5C6BC0]..> N6
+N3 ..[#90A4AE]..> M2
+N2 -[#5C6BC0]-> M2
+M2 -[#90A4AE]-> N5
+nest1_0 -[#000000]-> N6
+nest1_2 ..[#5C6BC0]..> nest0_0
+nest1_0 ..[#90A4AE]..> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_241.puml b/test/plantuml/graph_hard/plantuml_241.puml
new file mode 100644
index 0000000000000000000000000000000000000000..e08d9f4db3c59014c08b2abc92995e214d142a02
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_241.puml
@@ -0,0 +1,58 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Practice Test Creation" as Group0 #E3F2FD {
+    rectangle "Subject Matter Review" as nest0_0 #C5CAE9
+    rectangle "Mock Exam Administration" as nest0_1 #E8EAF6
+    component "Professional Licensure Exam Prep" as nest0_2 #C5CAE9
+}
+rectangle "Parent or Guardian Updates" as Group1 #F3E5F5 {
+    cloud "Score Analysis" as nest1_0 #DACBE3
+    database "Certification Exam Prep" as nest1_1 #C5CAE9
+    artifact "Diagnostic Assessment" as nest1_2 #E8EAF6
+}
+artifact "Study Material Design" as N0 #C5CAE9
+node "Interactive Exercises" as N1 #E8EAF6
+rectangle "Science Concept Review" as N2 #DACBE3
+artifact "Writing Skills Improvement" as N3 #DACBE3
+component "Test_Taking Strategies" as N4 #C5CAE9
+cloud "Adaptive Learning Algorithms" as N5 #E8EAF6
+folder "Performance Feedback" as N6 #E8EAF6
+cloud "Math Skills Refresher" as N7 #DACBE3
+database "Study Environment Optimization" as N8 #E8EAF6
+cloud "English Proficiency Test Prep" as N9 #E8EAF6
+cloud "Question Bank Management" as N10 #DACBE3
+artifact "Time Management Coaching" as N11 #E8EAF6
+circle " " as S0 #DACBE3
+circle " " as S1 #DACBE3
+circle " " as M1 #E8EAF6
+N0 ..[#3F51B5]..> N1
+N1 -[#7986CB]-> N2
+N2 ..[#3F51B5]..> N3
+N3 -[#A188D0]-> N4
+N4 ..[#7986CB]..> N5
+N5 -[#000000]-> N6
+N6 ..[#000000]..> N7
+N7 ..[#A188D0]..> N8
+N8 ..[#3F51B5]..> N9
+N9 ..[#A188D0]..> N10 : interacts
+N10 -[#7986CB]-> N11
+nest0_0 ..[#7986CB]..> nest0_1
+nest0_1 ..[#7986CB]..> nest0_2
+N9 -[#7986CB]-> nest0_0
+nest0_2 -[#000000]-> N4
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 -[#000000]-> nest1_2
+N2 -[#A188D0]-> nest1_0
+nest1_2 -[#000000]-> N5
+N3 -[#A188D0]-> S0
+S0 ..[#000000]..> N10 : prepares
+S0 -[#7986CB]-> N6
+N7 -[#7986CB]-> S1
+S1 ..[#A188D0]..> N10 : customizes
+S1 -[#3F51B5]-> N9
+N2 ..[#000000]..> M1
+N0 -[#A188D0]-> M1
+M1 ..[#7986CB]..> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_241.txt b/test/plantuml/graph_hard/plantuml_241.txt
new file mode 100644
index 0000000000000000000000000000000000000000..28541f915895ac0861b55deb5051c978ce5a94ff
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_241.txt
@@ -0,0 +1,31 @@
+<Adaptive Learning Algorithms, connectedTo, Performance Feedback>
+<Certification Exam Prep, connectedTo, Diagnostic Assessment>
+<Certification Exam Prep, partOf, Parent or Guardian Updates>
+<Diagnostic Assessment, connectedTo, Adaptive Learning Algorithms>
+<Diagnostic Assessment, partOf, Parent or Guardian Updates>
+<English Proficiency Test Prep, connectedTo, Subject Matter Review>
+<English Proficiency Test Prep, interacts, Question Bank Management>
+<Interactive Exercises, connectedTo, Science Concept Review>
+<Math Skills Refresher, connectedTo, English Proficiency Test Prep>
+<Math Skills Refresher, connectedTo, Study Environment Optimization>
+<Math Skills Refresher, customizes, Question Bank Management>
+<Mock Exam Administration, connectedTo, Professional Licensure Exam Prep>
+<Mock Exam Administration, partOf, Practice Test Creation>
+<Performance Feedback, connectedTo, Math Skills Refresher>
+<Professional Licensure Exam Prep, connectedTo, Test_Taking Strategies>
+<Professional Licensure Exam Prep, partOf, Practice Test Creation>
+<Question Bank Management, connectedTo, Time Management Coaching>
+<Science Concept Review, connectedTo, Performance Feedback>
+<Science Concept Review, connectedTo, Score Analysis>
+<Science Concept Review, connectedTo, Writing Skills Improvement>
+<Score Analysis, connectedTo, Certification Exam Prep>
+<Score Analysis, partOf, Parent or Guardian Updates>
+<Study Environment Optimization, connectedTo, English Proficiency Test Prep>
+<Study Material Design, connectedTo, Interactive Exercises>
+<Study Material Design, connectedTo, Performance Feedback>
+<Subject Matter Review, connectedTo, Mock Exam Administration>
+<Subject Matter Review, partOf, Practice Test Creation>
+<Test_Taking Strategies, connectedTo, Adaptive Learning Algorithms>
+<Writing Skills Improvement, connectedTo, Performance Feedback>
+<Writing Skills Improvement, connectedTo, Test_Taking Strategies>
+<Writing Skills Improvement, prepares, Question Bank Management>
diff --git a/test/plantuml/graph_hard/plantuml_242.puml b/test/plantuml/graph_hard/plantuml_242.puml
new file mode 100644
index 0000000000000000000000000000000000000000..f1aed62a53a724476f77d5116c8c7b89869e49f2
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_242.puml
@@ -0,0 +1,84 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Certification Exam Prep" as Group0 #F3E5F5 {
+    database "Study Group Facilitation" as nest0_0 #E0E6E9
+    folder "Question Bank Management" as nest0_1 #E0E6E9
+    cloud "Practice Test Creation" as nest0_2 #E0E6E9
+    folder "Parent or Guardian Updates" as nest0_3 #FBE9E7
+}
+rectangle "Study Environment Optimization" as Group1 #ECEFF1 {
+    artifact "Reading Comprehension Drills" as nest1_0 #E0E6E9
+    database "Graduate School Exam Prep" as nest1_1 #FAEBF3
+    database "Virtual Proctoring" as nest1_2 #FBE9E7
+    database "History Topic Mastery" as nest1_3 #FBE9E7
+}
+database "Flashcard Creation" as N0 #E0E6E9
+rectangle "Math Skills Refresher" as N1 #FAEBF3
+usecase "Student Progress Tracking" as N2 #FAEBF3
+artifact "AI_Powered Tutoring" as N3 #FAEBF3
+folder "Critical Thinking Development" as N4 #E0E6E9
+database "Memory Techniques Training" as N5 #FAEBF3
+node "Science Concept Review" as N6 #FBE9E7
+frame "Stress Management for Exams" as N7 #FBE9E7
+database "Curriculum Development" as N8 #FBE9E7
+folder "Mock Exam Administration" as N9 #FBE9E7
+component "Performance Feedback" as N10 #FAEBF3
+artifact "Test_Taking Strategies" as N11 #FBE9E7
+rectangle "Motivation Coaching" as N12 #FAEBF3
+folder "Time Management Coaching" as N13 #FBE9E7
+component "Interactive Exercises" as N14 #FAEBF3
+circle " " as S0 #FAEBF3
+circle " " as S1 #FAEBF3
+circle " " as S2 #E0E6E9
+circle " " as M0 #FAEBF3
+circle " " as M1 #FBE9E7
+circle " " as M2 #E0E6E9
+N0 ..[#F7BEE0]..> N1
+N1 ..[#FF8A65]..> N2
+N2 -[#F7BEE0]-> N3
+N3 -[#FF8A65]-> N4 : registers
+N4 ..[#000000]..> N5
+N5 -[#F7BEE0]-> N6
+N6 ..[#F7BEE0]..> N7
+N7 ..[#FF8A65]..> N8
+N8 -[#F7BEE0]-> N9
+N9 -[#FF8A65]-> N10
+N10 -[#FF8A65]-> N11
+N11 ..[#FF8A65]..> N12
+N12 ..[#FF8A65]..> N13
+N13 ..[#FF8A65]..> N14 : revises
+nest0_0 -[#F7BEE0]-> nest0_1
+nest0_1 ..[#000000]..> nest0_2 : tracks
+nest0_2 ..[#FF8A65]..> nest0_3
+N7 -[#000000]-> nest0_0
+nest0_3 ..[#000000]..> N12
+nest1_0 -[#F7BEE0]-> nest1_1
+nest1_1 ..[#AABEC6]..> nest1_2
+nest1_2 -[#000000]-> nest1_3
+N2 ..[#AABEC6]..> nest1_0
+nest1_3 ..[#F7BEE0]..> N10
+N0 ..[#FF8A65]..> S0
+S0 ..[#000000]..> N4
+S0 -[#FF8A65]-> N11
+N4 ..[#000000]..> S1
+S1 ..[#FF8A65]..> N6
+S1 ..[#F7BEE0]..> N11
+S1 -[#F7BEE0]-> N10
+N5 ..[#AABEC6]..> S2
+S2 ..[#FF8A65]..> N10
+S2 ..[#FF8A65]..> N9
+S2 ..[#AABEC6]..> N14
+N6 -[#000000]-> M0 : supports
+N0 ..[#FF8A65]..> M0
+M0 -[#000000]-> N14
+N5 -[#AABEC6]-> M1 : monitors
+N0 -[#000000]-> M1
+N8 -[#AABEC6]-> M1
+M1 ..[#AABEC6]..> N10
+N1 -[#FF8A65]-> M2
+N3 ..[#000000]..> M2
+N5 -[#F7BEE0]-> M2 : facilitates
+M2 -[#000000]-> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_242.txt b/test/plantuml/graph_hard/plantuml_242.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e6bb1d91604abf2d1cfe954b7fce305b49c16bb6
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_242.txt
@@ -0,0 +1,48 @@
+<AI_Powered Tutoring, connectedTo, Curriculum Development>
+<AI_Powered Tutoring, registers, Critical Thinking Development>
+<Critical Thinking Development, connectedTo, Memory Techniques Training>
+<Critical Thinking Development, connectedTo, Performance Feedback>
+<Critical Thinking Development, connectedTo, Science Concept Review>
+<Critical Thinking Development, connectedTo, Test_Taking Strategies>
+<Curriculum Development, connectedTo, Mock Exam Administration>
+<Curriculum Development, connectedTo, Performance Feedback>
+<Flashcard Creation, connectedTo, Critical Thinking Development>
+<Flashcard Creation, connectedTo, Interactive Exercises>
+<Flashcard Creation, connectedTo, Math Skills Refresher>
+<Flashcard Creation, connectedTo, Performance Feedback>
+<Flashcard Creation, connectedTo, Test_Taking Strategies>
+<Graduate School Exam Prep, connectedTo, Virtual Proctoring>
+<Graduate School Exam Prep, partOf, Study Environment Optimization>
+<History Topic Mastery, connectedTo, Performance Feedback>
+<History Topic Mastery, partOf, Study Environment Optimization>
+<Math Skills Refresher, connectedTo, Curriculum Development>
+<Math Skills Refresher, connectedTo, Student Progress Tracking>
+<Memory Techniques Training, connectedTo, Interactive Exercises>
+<Memory Techniques Training, connectedTo, Mock Exam Administration>
+<Memory Techniques Training, connectedTo, Performance Feedback>
+<Memory Techniques Training, connectedTo, Science Concept Review>
+<Memory Techniques Training, facilitates, Curriculum Development>
+<Memory Techniques Training, monitors, Performance Feedback>
+<Mock Exam Administration, connectedTo, Performance Feedback>
+<Motivation Coaching, connectedTo, Time Management Coaching>
+<Parent or Guardian Updates, connectedTo, Motivation Coaching>
+<Parent or Guardian Updates, partOf, Certification Exam Prep>
+<Performance Feedback, connectedTo, Test_Taking Strategies>
+<Practice Test Creation, connectedTo, Parent or Guardian Updates>
+<Practice Test Creation, partOf, Certification Exam Prep>
+<Question Bank Management, partOf, Certification Exam Prep>
+<Question Bank Management, tracks, Practice Test Creation>
+<Reading Comprehension Drills, connectedTo, Graduate School Exam Prep>
+<Reading Comprehension Drills, partOf, Study Environment Optimization>
+<Science Concept Review, connectedTo, Stress Management for Exams>
+<Science Concept Review, supports, Interactive Exercises>
+<Stress Management for Exams, connectedTo, Curriculum Development>
+<Stress Management for Exams, connectedTo, Study Group Facilitation>
+<Student Progress Tracking, connectedTo, AI_Powered Tutoring>
+<Student Progress Tracking, connectedTo, Reading Comprehension Drills>
+<Study Group Facilitation, connectedTo, Question Bank Management>
+<Study Group Facilitation, partOf, Certification Exam Prep>
+<Test_Taking Strategies, connectedTo, Motivation Coaching>
+<Time Management Coaching, revises, Interactive Exercises>
+<Virtual Proctoring, connectedTo, History Topic Mastery>
+<Virtual Proctoring, partOf, Study Environment Optimization>
diff --git a/test/plantuml/graph_hard/plantuml_243.puml b/test/plantuml/graph_hard/plantuml_243.puml
new file mode 100644
index 0000000000000000000000000000000000000000..b767508435a7e1ae6eab763dd50dc08a167089e3
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_243.puml
@@ -0,0 +1,77 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Student Progress Tracking" as Group0 #ECEFF1 {
+    artifact "Stress Management for Exams" as nest0_0 #F5F5F5
+    artifact "Personalized Study Plans" as nest0_1 #FFF9C4
+}
+rectangle "Curriculum Development" as Group1 #FBE9E7 {
+    artifact "Test_Taking Strategies" as nest1_0 #FFF9C4
+    component "Critical Thinking Development" as nest1_1 #FFF9C4
+    folder "AI_Powered Tutoring" as nest1_2 #F5F5F5
+}
+cloud "Interactive Exercises" as N0 #FFDCD6
+database "College Entrance Exam Prep" as N1 #FFDCD6
+component "Flashcard Creation" as N2 #FFF9C4
+cloud "Study Environment Optimization" as N3 #F5F5F5
+rectangle "Score Analysis" as N4 #FFDCD6
+frame "Diagnostic Assessment" as N5 #F5F5F5
+node "English Proficiency Test Prep" as N6 #FFDCD6
+cloud "History Topic Mastery" as N7 #FFF9C4
+folder "Online Course Delivery" as N8 #F5F5F5
+component "Practice Test Creation" as N9 #FFDCD6
+usecase "Parent or Guardian Updates" as N10 #F5F5F5
+cloud "Mock Exam Administration" as N11 #F5F5F5
+frame "Performance Prediction Models" as N12 #F5F5F5
+artifact "Question Bank Management" as N13 #FFF9C4
+rectangle "Time Management Coaching" as N14 #F5F5F5
+frame "Subject Matter Review" as N15 #F5F5F5
+component "Video Lecture Production" as N16 #FFDCD6
+frame "Reading Comprehension Drills" as N17 #FFF9C4
+component "Math Skills Refresher" as N18 #F5F5F5
+component "Study Material Design" as N19 #FFDCD6
+circle " " as S0 #FFDCD6
+circle " " as S1 #FFF9C4
+circle " " as M0 #F5F5F5
+circle " " as M1 #FFDCD6
+N0 -[#FFB2A5]-> N1
+N1 -[#000000]-> N2
+N2 ..[#BDBDBD]..> N3
+N3 ..[#000000]..> N4
+N4 ..[#000000]..> N5
+N5 -[#FFEB3B]-> N6
+N6 -[#FFEB3B]-> N7
+N7 -[#FFB2A5]-> N8
+N8 ..[#000000]..> N9
+N9 ..[#FFEB3B]..> N10
+N10 -[#000000]-> N11
+N11 ..[#000000]..> N12
+N12 -[#FFB2A5]-> N13
+N13 -[#FFB2A5]-> N14
+N14 -[#FFEB3B]-> N15
+N15 -[#BDBDBD]-> N16
+N16 ..[#FFB2A5]..> N17
+N17 ..[#000000]..> N18
+N18 -[#FFEB3B]-> N19
+nest0_0 -[#FFB2A5]-> nest0_1
+N6 -[#000000]-> nest0_0
+nest0_1 -[#BDBDBD]-> N18 : sells
+nest1_0 -[#BDBDBD]-> nest1_1
+nest1_1 ..[#FFEB3B]..> nest1_2
+N8 -[#FFEB3B]-> nest1_0
+nest1_2 -[#FFEB3B]-> N17
+N16 ..[#000000]..> S0
+S0 -[#FFB2A5]-> N19
+S0 ..[#FFB2A5]..> N18
+N0 ..[#FFEB3B]..> S1
+S1 ..[#FFEB3B]..> N17
+S1 ..[#FFEB3B]..> N5
+S1 ..[#FFB2A5]..> N4
+N3 -[#FFEB3B]-> M0
+N9 ..[#FFEB3B]..> M0
+M0 -[#FFB2A5]-> N12
+N2 ..[#FFEB3B]..> M1
+N0 ..[#FFEB3B]..> M1
+M1 ..[#BDBDBD]..> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_243.txt b/test/plantuml/graph_hard/plantuml_243.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7066e6fdbbcf60fe72358280c32b0e6a4df54880
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_243.txt
@@ -0,0 +1,39 @@
+<AI_Powered Tutoring, connectedTo, Reading Comprehension Drills>
+<AI_Powered Tutoring, partOf, Curriculum Development>
+<College Entrance Exam Prep, connectedTo, Flashcard Creation>
+<Critical Thinking Development, connectedTo, AI_Powered Tutoring>
+<Critical Thinking Development, partOf, Curriculum Development>
+<Diagnostic Assessment, connectedTo, English Proficiency Test Prep>
+<English Proficiency Test Prep, connectedTo, History Topic Mastery>
+<English Proficiency Test Prep, connectedTo, Stress Management for Exams>
+<Flashcard Creation, connectedTo, Score Analysis>
+<Flashcard Creation, connectedTo, Study Environment Optimization>
+<History Topic Mastery, connectedTo, Online Course Delivery>
+<Interactive Exercises, connectedTo, College Entrance Exam Prep>
+<Interactive Exercises, connectedTo, Diagnostic Assessment>
+<Interactive Exercises, connectedTo, Reading Comprehension Drills>
+<Interactive Exercises, connectedTo, Score Analysis>
+<Math Skills Refresher, connectedTo, Study Material Design>
+<Mock Exam Administration, connectedTo, Performance Prediction Models>
+<Online Course Delivery, connectedTo, Practice Test Creation>
+<Online Course Delivery, connectedTo, Test_Taking Strategies>
+<Parent or Guardian Updates, connectedTo, Mock Exam Administration>
+<Performance Prediction Models, connectedTo, Question Bank Management>
+<Personalized Study Plans, partOf, Student Progress Tracking>
+<Personalized Study Plans, sells, Math Skills Refresher>
+<Practice Test Creation, connectedTo, Parent or Guardian Updates>
+<Practice Test Creation, connectedTo, Performance Prediction Models>
+<Question Bank Management, connectedTo, Time Management Coaching>
+<Reading Comprehension Drills, connectedTo, Math Skills Refresher>
+<Score Analysis, connectedTo, Diagnostic Assessment>
+<Stress Management for Exams, connectedTo, Personalized Study Plans>
+<Stress Management for Exams, partOf, Student Progress Tracking>
+<Study Environment Optimization, connectedTo, Performance Prediction Models>
+<Study Environment Optimization, connectedTo, Score Analysis>
+<Subject Matter Review, connectedTo, Video Lecture Production>
+<Test_Taking Strategies, connectedTo, Critical Thinking Development>
+<Test_Taking Strategies, partOf, Curriculum Development>
+<Time Management Coaching, connectedTo, Subject Matter Review>
+<Video Lecture Production, connectedTo, Math Skills Refresher>
+<Video Lecture Production, connectedTo, Reading Comprehension Drills>
+<Video Lecture Production, connectedTo, Study Material Design>
diff --git a/test/plantuml/graph_hard/plantuml_244.puml b/test/plantuml/graph_hard/plantuml_244.puml
new file mode 100644
index 0000000000000000000000000000000000000000..7ee8b659203f6f34dd4456e5fbd8adcf3fdee0e0
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_244.puml
@@ -0,0 +1,49 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Vocabulary Acquisition" as Group0 #E3F2FD {
+    cloud "Personalized Learning Paths" as nest0_0 #EDF5F3
+    component "Business Language Training" as nest0_1 #FFDCD6
+    rectangle "Gamified Learning Activities" as nest0_2 #FFDCD6
+    frame "Slang and Idioms Learning" as nest0_3 #FFFDE7
+}
+rectangle "Contextual Learning" as Group1 #F3E5F5 {
+    folder "Speaking Practice" as nest1_0 #FFDCD6
+    usecase "Children's Language Learning" as nest1_1 #FFDCD6
+    rectangle "AI_Powered Language Tutors" as nest1_2 #FFFDE7
+}
+component "Accent Reduction Coaching" as N0 #FFDCD6
+node "Listening Comprehension" as N1 #EDF5F3
+node "Audio Lessons" as N2 #FFFDE7
+usecase "Progress Tracking" as N3 #EDF5F3
+component "Travel Language Essentials" as N4 #FFFDE7
+component "Language for Specific Purposes" as N5 #FFDCD6
+folder "Writing Exercises" as N6 #EDF5F3
+circle " " as S1 #FFFDE7
+circle " " as M1 #FFDCD6
+N0 ..[#FFF176]..> N1
+N1 -[#000000]-> N2
+N2 ..[#000000]..> N3
+N3 ..[#FFB2A5]..> N4 : connects
+N4 -[#FFF176]-> N5 : speaks
+N5 ..[#A1D7CD]..> N6
+nest0_0 -[#FFB2A5]-> nest0_1
+nest0_1 ..[#A1D7CD]..> nest0_2
+nest0_2 ..[#000000]..> nest0_3
+N2 ..[#A1D7CD]..> nest0_0
+nest0_3 ..[#FFB2A5]..> N5 : facilitates
+nest1_0 ..[#FFF176]..> nest1_1
+nest1_1 ..[#A1D7CD]..> nest1_2
+N1 -[#FFB2A5]-> nest1_0
+nest1_2 -[#000000]-> N6
+N0 -[#A1D7CD]-> S1
+S1 ..[#FFB2A5]..> N6
+S1 -[#FFF176]-> N4
+N0 ..[#FFF176]..> M1
+N1 ..[#FFF176]..> M1
+M1 -[#A1D7CD]-> N3
+nest0_1 -[#FFB2A5]-> N4
+nest0_1 ..[#000000]..> N0 : markets
+nest0_3 -[#000000]-> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_244.txt b/test/plantuml/graph_hard/plantuml_244.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ba8fce68b6e9b2c069203ed307f02fd4bda9fd3b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_244.txt
@@ -0,0 +1,29 @@
+<AI_Powered Language Tutors, connectedTo, Writing Exercises>
+<AI_Powered Language Tutors, partOf, Contextual Learning>
+<Accent Reduction Coaching, connectedTo, Listening Comprehension>
+<Accent Reduction Coaching, connectedTo, Progress Tracking>
+<Accent Reduction Coaching, connectedTo, Travel Language Essentials>
+<Accent Reduction Coaching, connectedTo, Writing Exercises>
+<Audio Lessons, connectedTo, Personalized Learning Paths>
+<Audio Lessons, connectedTo, Progress Tracking>
+<Business Language Training, connectedTo, Gamified Learning Activities>
+<Business Language Training, connectedTo, Travel Language Essentials>
+<Business Language Training, markets, Accent Reduction Coaching>
+<Business Language Training, partOf, Vocabulary Acquisition>
+<Children's Language Learning, connectedTo, AI_Powered Language Tutors>
+<Children's Language Learning, partOf, Contextual Learning>
+<Gamified Learning Activities, connectedTo, Slang and Idioms Learning>
+<Gamified Learning Activities, partOf, Vocabulary Acquisition>
+<Language for Specific Purposes, connectedTo, Writing Exercises>
+<Listening Comprehension, connectedTo, Audio Lessons>
+<Listening Comprehension, connectedTo, Progress Tracking>
+<Listening Comprehension, connectedTo, Speaking Practice>
+<Personalized Learning Paths, connectedTo, Business Language Training>
+<Personalized Learning Paths, partOf, Vocabulary Acquisition>
+<Progress Tracking, connects, Travel Language Essentials>
+<Slang and Idioms Learning, connectedTo, Writing Exercises>
+<Slang and Idioms Learning, facilitates, Language for Specific Purposes>
+<Slang and Idioms Learning, partOf, Vocabulary Acquisition>
+<Speaking Practice, connectedTo, Children's Language Learning>
+<Speaking Practice, partOf, Contextual Learning>
+<Travel Language Essentials, speaks, Language for Specific Purposes>
diff --git a/test/plantuml/graph_hard/plantuml_245.puml b/test/plantuml/graph_hard/plantuml_245.puml
new file mode 100644
index 0000000000000000000000000000000000000000..6061ae74055429d55fea34d63645791d69d2c083
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_245.puml
@@ -0,0 +1,67 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Flashcard Systems" as Group0 #ECEFF1 {
+    folder "Error Correction Feedback" as nest0_0 #D0E0F8
+    folder "Sentence Construction Practice" as nest0_1 #D0EFEE
+}
+rectangle "Native Speaker Interaction" as Group1 #FBE9E7 {
+    cloud "Audio Lessons" as nest1_0 #D0E0F8
+    frame "Language Assessment Tests" as nest1_1 #E0E6E9
+}
+frame "Speaking Practice" as N0 #D0EFEE
+frame "Cultural Immersion" as N1 #E0E6E9
+component "Personalized Learning Paths" as N2 #D0E0F8
+folder "Instructor_Led Classes" as N3 #D0EFEE
+artifact "Reading Comprehension" as N4 #D0EFEE
+frame "Vocabulary Acquisition" as N5 #D0E0F8
+component "Children's Language Learning" as N6 #D0EFEE
+component "Virtual Reality Language Environments" as N7 #D0E0F8
+frame "Pronunciation Drills" as N8 #E0E6E9
+database "Gamified Learning Activities" as N9 #E0E6E9
+database "Interactive Dialogues" as N10 #D0E0F8
+frame "Language for Specific Purposes" as N11 #E0E6E9
+rectangle "Adult Language Learning" as N12 #D0E0F8
+circle " " as S0 #D0EFEE
+circle " " as S1 #D0EFEE
+circle " " as S2 #D0EFEE
+circle " " as M0 #E0E6E9
+circle " " as M1 #D0E0F8
+N0 ..[#4285F4]..> N1
+N1 ..[#000000]..> N2
+N2 -[#4285F4]-> N3
+N3 ..[#000000]..> N4
+N4 -[#4285F4]-> N5
+N5 ..[#000000]..> N6
+N6 ..[#73C6BC]..> N7
+N7 ..[#4285F4]..> N8
+N8 -[#4285F4]-> N9
+N9 ..[#4285F4]..> N10
+N10 -[#000000]-> N11
+N11 ..[#73C6BC]..> N12
+nest0_0 ..[#AABEC6]..> nest0_1
+N4 -[#AABEC6]-> nest0_0
+nest0_1 ..[#AABEC6]..> N9
+nest1_0 ..[#000000]..> nest1_1
+N11 ..[#73C6BC]..> nest1_0
+nest1_1 -[#AABEC6]-> N9
+N2 -[#AABEC6]-> S0
+S0 ..[#4285F4]..> N4
+S0 -[#73C6BC]-> N11
+S0 -[#73C6BC]-> N7
+N4 ..[#73C6BC]..> S1
+S1 ..[#73C6BC]..> N7
+S1 ..[#AABEC6]..> N12
+N6 ..[#73C6BC]..> S2
+S2 ..[#4285F4]..> N8
+S2 ..[#73C6BC]..> N11
+N2 ..[#AABEC6]..> M0
+N3 ..[#4285F4]..> M0
+N0 ..[#73C6BC]..> M0
+M0 ..[#4285F4]..> N5
+N4 -[#73C6BC]-> M1
+N3 ..[#4285F4]..> M1
+N1 -[#000000]-> M1
+M1 ..[#000000]..> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_245.txt b/test/plantuml/graph_hard/plantuml_245.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4fed80a546b91964309a176e5e2769adab6bbb25
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_245.txt
@@ -0,0 +1,35 @@
+<Audio Lessons, connectedTo, Language Assessment Tests>
+<Audio Lessons, partOf, Native Speaker Interaction>
+<Children's Language Learning, connectedTo, Language for Specific Purposes>
+<Children's Language Learning, connectedTo, Pronunciation Drills>
+<Children's Language Learning, connectedTo, Virtual Reality Language Environments>
+<Cultural Immersion, connectedTo, Children's Language Learning>
+<Cultural Immersion, connectedTo, Personalized Learning Paths>
+<Error Correction Feedback, connectedTo, Sentence Construction Practice>
+<Error Correction Feedback, partOf, Flashcard Systems>
+<Gamified Learning Activities, connectedTo, Interactive Dialogues>
+<Instructor_Led Classes, connectedTo, Children's Language Learning>
+<Instructor_Led Classes, connectedTo, Reading Comprehension>
+<Instructor_Led Classes, connectedTo, Vocabulary Acquisition>
+<Interactive Dialogues, connectedTo, Language for Specific Purposes>
+<Language Assessment Tests, connectedTo, Gamified Learning Activities>
+<Language Assessment Tests, partOf, Native Speaker Interaction>
+<Language for Specific Purposes, connectedTo, Adult Language Learning>
+<Language for Specific Purposes, connectedTo, Audio Lessons>
+<Personalized Learning Paths, connectedTo, Instructor_Led Classes>
+<Personalized Learning Paths, connectedTo, Language for Specific Purposes>
+<Personalized Learning Paths, connectedTo, Reading Comprehension>
+<Personalized Learning Paths, connectedTo, Virtual Reality Language Environments>
+<Personalized Learning Paths, connectedTo, Vocabulary Acquisition>
+<Pronunciation Drills, connectedTo, Gamified Learning Activities>
+<Reading Comprehension, connectedTo, Adult Language Learning>
+<Reading Comprehension, connectedTo, Children's Language Learning>
+<Reading Comprehension, connectedTo, Error Correction Feedback>
+<Reading Comprehension, connectedTo, Virtual Reality Language Environments>
+<Reading Comprehension, connectedTo, Vocabulary Acquisition>
+<Sentence Construction Practice, connectedTo, Gamified Learning Activities>
+<Sentence Construction Practice, partOf, Flashcard Systems>
+<Speaking Practice, connectedTo, Cultural Immersion>
+<Speaking Practice, connectedTo, Vocabulary Acquisition>
+<Virtual Reality Language Environments, connectedTo, Pronunciation Drills>
+<Vocabulary Acquisition, connectedTo, Children's Language Learning>
diff --git a/test/plantuml/graph_hard/plantuml_246.puml b/test/plantuml/graph_hard/plantuml_246.puml
new file mode 100644
index 0000000000000000000000000000000000000000..605a8f9a0de9a77ed1687ef1a6d822daef067f1a
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_246.puml
@@ -0,0 +1,73 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Business Language Training" as Group0 #FCE4EC {
+    frame "Speaking Practice" as nest0_0 #DED7F0
+    cloud "Virtual Reality Language Environments" as nest0_1 #DED7F0
+}
+rectangle "Language Exchange Programs" as Group1 #E3F2FD {
+    component "Certification Exam Preparation" as nest1_0 #DED7F0
+    component "Pronunciation Drills" as nest1_1 #FFF6D9
+}
+cloud "Native Speaker Interaction" as N0 #DED7F0
+frame "Interactive Dialogues" as N1 #FFF8E1
+cloud "Self_Study Modules" as N2 #DED7F0
+folder "Role_Playing Scenarios" as N3 #FFF6D9
+database "Curriculum Customization" as N4 #FFF8E1
+folder "Writing Exercises" as N5 #FFF8E1
+database "Video Lessons" as N6 #FFF6D9
+rectangle "Instructor_Led Classes" as N7 #FFF6D9
+folder "Language Assessment Tests" as N8 #DED7F0
+rectangle "Listening Comprehension" as N9 #FFF6D9
+frame "Travel Language Essentials" as N10 #FFF8E1
+node "Language for Specific Purposes" as N11 #DED7F0
+folder "Personalized Learning Paths" as N12 #FFF6D9
+cloud "Immersion Programs" as N13 #DED7F0
+node "Children's Language Learning" as N14 #FFF8E1
+node "Audio Lessons" as N15 #FFF6D9
+usecase "Speech Recognition Technology" as N16 #FFF6D9
+circle " " as S0 #DED7F0
+circle " " as S1 #FFF6D9
+circle " " as M0 #DED7F0
+circle " " as M1 #FFF6D9
+circle " " as M2 #FFF8E1
+N0 -[#FFD54F]-> N1
+N1 ..[#A188DB]..> N2
+N2 ..[#000000]..> N3
+N3 ..[#FFD54F]..> N4
+N4 ..[#FFD54F]..> N5
+N5 ..[#000000]..> N6 : immerses
+N6 ..[#A188DB]..> N7
+N7 ..[#A188DB]..> N8
+N8 ..[#FFD54F]..> N9
+N9 -[#FFD54F]-> N10
+N10 ..[#000000]..> N11
+N11 ..[#FFD54F]..> N12
+N12 ..[#FFCC7A]..> N13
+N13 -[#FFD54F]-> N14
+N14 -[#FFD54F]-> N15
+N15 ..[#FFD54F]..> N16
+nest0_0 ..[#A188DB]..> nest0_1
+N11 -[#FFD54F]-> nest0_0
+nest0_1 -[#000000]-> N10
+nest1_0 ..[#A188DB]..> nest1_1
+N2 ..[#FFD54F]..> nest1_0
+nest1_1 ..[#000000]..> N4
+N13 -[#FFCC7A]-> S0
+S0 -[#FFD54F]-> N16
+S0 -[#FFD54F]-> N15
+N9 ..[#000000]..> S1
+S1 ..[#FFCC7A]..> N13
+S1 ..[#A188DB]..> N14
+N5 -[#FFCC7A]-> M0
+N7 -[#A188DB]-> M0
+M0 ..[#FFCC7A]..> N11
+N0 ..[#000000]..> M1
+N11 ..[#FFD54F]..> M1
+N3 ..[#A188DB]..> M1
+M1 -[#FFCC7A]-> N13
+N8 -[#000000]-> M2
+N2 -[#000000]-> M2
+M2 ..[#FFCC7A]..> N15
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_246.txt b/test/plantuml/graph_hard/plantuml_246.txt
new file mode 100644
index 0000000000000000000000000000000000000000..797cc5e9987d14367eb5f7c35cbece57fbec98a1
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_246.txt
@@ -0,0 +1,37 @@
+<Audio Lessons, connectedTo, Speech Recognition Technology>
+<Certification Exam Preparation, connectedTo, Pronunciation Drills>
+<Certification Exam Preparation, partOf, Language Exchange Programs>
+<Children's Language Learning, connectedTo, Audio Lessons>
+<Curriculum Customization, connectedTo, Writing Exercises>
+<Immersion Programs, connectedTo, Audio Lessons>
+<Immersion Programs, connectedTo, Children's Language Learning>
+<Immersion Programs, connectedTo, Speech Recognition Technology>
+<Instructor_Led Classes, connectedTo, Language Assessment Tests>
+<Instructor_Led Classes, connectedTo, Language for Specific Purposes>
+<Interactive Dialogues, connectedTo, Self_Study Modules>
+<Language Assessment Tests, connectedTo, Audio Lessons>
+<Language Assessment Tests, connectedTo, Listening Comprehension>
+<Language for Specific Purposes, connectedTo, Immersion Programs>
+<Language for Specific Purposes, connectedTo, Personalized Learning Paths>
+<Language for Specific Purposes, connectedTo, Speaking Practice>
+<Listening Comprehension, connectedTo, Children's Language Learning>
+<Listening Comprehension, connectedTo, Immersion Programs>
+<Listening Comprehension, connectedTo, Travel Language Essentials>
+<Native Speaker Interaction, connectedTo, Immersion Programs>
+<Native Speaker Interaction, connectedTo, Interactive Dialogues>
+<Personalized Learning Paths, connectedTo, Immersion Programs>
+<Pronunciation Drills, connectedTo, Curriculum Customization>
+<Pronunciation Drills, partOf, Language Exchange Programs>
+<Role_Playing Scenarios, connectedTo, Curriculum Customization>
+<Role_Playing Scenarios, connectedTo, Immersion Programs>
+<Self_Study Modules, connectedTo, Audio Lessons>
+<Self_Study Modules, connectedTo, Certification Exam Preparation>
+<Self_Study Modules, connectedTo, Role_Playing Scenarios>
+<Speaking Practice, connectedTo, Virtual Reality Language Environments>
+<Speaking Practice, partOf, Business Language Training>
+<Travel Language Essentials, connectedTo, Language for Specific Purposes>
+<Video Lessons, connectedTo, Instructor_Led Classes>
+<Virtual Reality Language Environments, connectedTo, Travel Language Essentials>
+<Virtual Reality Language Environments, partOf, Business Language Training>
+<Writing Exercises, connectedTo, Language for Specific Purposes>
+<Writing Exercises, immerses, Video Lessons>
diff --git a/test/plantuml/graph_hard/plantuml_247.puml b/test/plantuml/graph_hard/plantuml_247.puml
new file mode 100644
index 0000000000000000000000000000000000000000..e55da26cc1be5aae77077559e33a5a1ffe76bd97
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_247.puml
@@ -0,0 +1,85 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Crisis Intervention" as Group0 #F3E5F5 {
+    folder "Emotional Regulation Training" as nest0_0 #E1F5FE
+    cloud "Peer Support Programs" as nest0_1 #E1F5FE
+    rectangle "Grief Counseling" as nest0_2 #E1F5FE
+}
+rectangle "Eating Disorder Treatment" as Group1 #E8F5E9 {
+    folder "Diagnosis and Assessment" as nest1_0 #D0E0F8
+    folder "Workplace Mental Health Programs" as nest1_1 #E1F5FE
+    folder "Telehealth Counseling" as nest1_2 #C2E8E6
+    folder "Recreational Therapy" as nest1_3 #D0E0F8
+}
+folder "Inpatient Treatment Coordination" as N0 #E1F5FE
+folder "Schizophrenia Management" as N1 #D0E0F8
+usecase "Advocacy for Mental Health" as N2 #D0E0F8
+database "Coping Skill Development" as N3 #E1F5FE
+usecase "Bipolar Disorder Management" as N4 #C2E8E6
+node "Child & Adolescent Therapy" as N5 #D0E0F8
+frame "Stress Reduction Techniques" as N6 #E1F5FE
+folder "Depression Treatment" as N7 #E1F5FE
+node "Digital Mental Health Tools" as N8 #D0E0F8
+node "Music Therapy" as N9 #C2E8E6
+usecase "Art Therapy" as N10 #E1F5FE
+component "Outpatient Program Management" as N11 #D0E0F8
+artifact "Anxiety Management" as N12 #C2E8E6
+component "Relapse Prevention" as N13 #E1F5FE
+database "Trauma Therapy" as N14 #D0E0F8
+node "Medication Management" as N15 #E1F5FE
+circle " " as S0 #E1F5FE
+circle " " as S1 #E1F5FE
+circle " " as S2 #C2E8E6
+circle " " as M0 #E1F5FE
+circle " " as M1 #D0E0F8
+circle " " as M2 #E1F5FE
+N0 ..[#61CAC3]..> N1
+N1 -[#4285F4]-> N2
+N2 ..[#61CAC3]..> N3 : protects
+N3 -[#61CAC3]-> N4
+N4 ..[#61CAC3]..> N5
+N5 ..[#4FC3F7]..> N6
+N6 ..[#61CAC3]..> N7
+N7 ..[#4285F4]..> N8
+N8 -[#000000]-> N9
+N9 -[#4285F4]-> N10
+N10 ..[#000000]..> N11
+N11 ..[#4285F4]..> N12
+N12 ..[#4285F4]..> N13
+N13 ..[#61CAC3]..> N14
+N14 -[#61CAC3]-> N15
+nest0_0 ..[#61CAC3]..> nest0_1
+nest0_1 -[#4FC3F7]-> nest0_2
+N13 ..[#61CAC3]..> nest0_0
+nest0_2 ..[#4FC3F7]..> N11
+nest1_0 -[#4285F4]-> nest1_1
+nest1_1 ..[#4FC3F7]..> nest1_2
+nest1_2 ..[#000000]..> nest1_3
+N5 ..[#4FC3F7]..> nest1_0
+nest1_3 ..[#61CAC3]..> N13
+N9 -[#4FC3F7]-> S0
+S0 -[#61CAC3]-> N14
+S0 -[#4285F4]-> N12
+N1 ..[#4FC3F7]..> S1
+S1 -[#000000]-> N11
+S1 -[#4FC3F7]-> N12
+S1 ..[#4285F4]..> N7
+S1 -[#61CAC3]-> N14
+N12 -[#000000]-> S2
+S2 ..[#4FC3F7]..> N15
+S2 -[#4FC3F7]-> N14
+N5 -[#4FC3F7]-> M0
+N1 -[#4285F4]-> M0
+N0 -[#4285F4]-> M0
+M0 -[#000000]-> N7
+N1 -[#4FC3F7]-> M1
+N3 ..[#000000]..> M1
+M1 -[#000000]-> N8
+N1 -[#4FC3F7]-> M2
+N0 ..[#61CAC3]..> M2
+N10 -[#000000]-> M2
+N2 ..[#4285F4]..> M2
+M2 -[#000000]-> N14
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_247.txt b/test/plantuml/graph_hard/plantuml_247.txt
new file mode 100644
index 0000000000000000000000000000000000000000..56307409b126fcdab41e2948414920b35c86cd32
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_247.txt
@@ -0,0 +1,46 @@
+<Advocacy for Mental Health, connectedTo, Trauma Therapy>
+<Advocacy for Mental Health, protects, Coping Skill Development>
+<Anxiety Management, connectedTo, Medication Management>
+<Anxiety Management, connectedTo, Relapse Prevention>
+<Anxiety Management, connectedTo, Trauma Therapy>
+<Art Therapy, connectedTo, Outpatient Program Management>
+<Art Therapy, connectedTo, Trauma Therapy>
+<Bipolar Disorder Management, connectedTo, Child & Adolescent Therapy>
+<Child & Adolescent Therapy, connectedTo, Depression Treatment>
+<Child & Adolescent Therapy, connectedTo, Diagnosis and Assessment>
+<Child & Adolescent Therapy, connectedTo, Stress Reduction Techniques>
+<Coping Skill Development, connectedTo, Bipolar Disorder Management>
+<Coping Skill Development, connectedTo, Digital Mental Health Tools>
+<Depression Treatment, connectedTo, Digital Mental Health Tools>
+<Diagnosis and Assessment, connectedTo, Workplace Mental Health Programs>
+<Diagnosis and Assessment, partOf, Eating Disorder Treatment>
+<Digital Mental Health Tools, connectedTo, Music Therapy>
+<Emotional Regulation Training, connectedTo, Peer Support Programs>
+<Emotional Regulation Training, partOf, Crisis Intervention>
+<Grief Counseling, connectedTo, Outpatient Program Management>
+<Grief Counseling, partOf, Crisis Intervention>
+<Inpatient Treatment Coordination, connectedTo, Depression Treatment>
+<Inpatient Treatment Coordination, connectedTo, Schizophrenia Management>
+<Inpatient Treatment Coordination, connectedTo, Trauma Therapy>
+<Music Therapy, connectedTo, Anxiety Management>
+<Music Therapy, connectedTo, Art Therapy>
+<Music Therapy, connectedTo, Trauma Therapy>
+<Outpatient Program Management, connectedTo, Anxiety Management>
+<Peer Support Programs, connectedTo, Grief Counseling>
+<Peer Support Programs, partOf, Crisis Intervention>
+<Recreational Therapy, connectedTo, Relapse Prevention>
+<Recreational Therapy, partOf, Eating Disorder Treatment>
+<Relapse Prevention, connectedTo, Emotional Regulation Training>
+<Relapse Prevention, connectedTo, Trauma Therapy>
+<Schizophrenia Management, connectedTo, Advocacy for Mental Health>
+<Schizophrenia Management, connectedTo, Anxiety Management>
+<Schizophrenia Management, connectedTo, Depression Treatment>
+<Schizophrenia Management, connectedTo, Digital Mental Health Tools>
+<Schizophrenia Management, connectedTo, Outpatient Program Management>
+<Schizophrenia Management, connectedTo, Trauma Therapy>
+<Stress Reduction Techniques, connectedTo, Depression Treatment>
+<Telehealth Counseling, connectedTo, Recreational Therapy>
+<Telehealth Counseling, partOf, Eating Disorder Treatment>
+<Trauma Therapy, connectedTo, Medication Management>
+<Workplace Mental Health Programs, connectedTo, Telehealth Counseling>
+<Workplace Mental Health Programs, partOf, Eating Disorder Treatment>
diff --git a/test/plantuml/graph_hard/plantuml_248.puml b/test/plantuml/graph_hard/plantuml_248.puml
new file mode 100644
index 0000000000000000000000000000000000000000..6c5807cf9ea2840ed7c03f13d1baeeb748e48e34
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_248.puml
@@ -0,0 +1,51 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Psychiatric Evaluation" as Group0 #EDE7F6 {
+    folder "Inpatient Treatment Coordination" as nest0_0 #CADEDE
+    usecase "Bipolar Disorder Management" as nest0_1 #E4E0DF
+    frame "Crisis Intervention" as nest0_2 #CADEDE
+    database "Mental Health Screening" as nest0_3 #E4E0DF
+}
+rectangle "Stress Reduction Techniques" as Group1 #FFF3E0 {
+    usecase "Anxiety Management" as nest1_0 #CADEDE
+    frame "Coping Skill Development" as nest1_1 #CADEDE
+    component "Trauma Therapy" as nest1_2 #E4E0DF
+    rectangle "Substance Abuse Counseling" as nest1_3 #E4E0DF
+}
+rectangle "Counseling Services" as N0 #CADEDE
+node "Therapy Session" as N1 #E4E0DF
+folder "Medication Management" as N2 #CADEDE
+cloud "Child & Adolescent Therapy" as N3 #E4E0DF
+rectangle "Emotional Regulation Training" as N4 #E4E0DF
+database "Suicide Prevention" as N5 #CADEDE
+circle " " as S0 #E4E0DF
+circle " " as S1 #E4E0DF
+circle " " as S2 #ECCFF5
+N0 ..[#CD8FF2]..> N1
+N1 -[#BDAFA8]-> N2
+N2 -[#94C0C0]-> N3
+N3 ..[#CD8FF2]..> N4
+N4 -[#CD8FF2]-> N5 : relieves
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 ..[#BDAFA8]..> nest0_2
+nest0_2 -[#000000]-> nest0_3
+N2 -[#94C0C0]-> nest0_0
+nest0_3 -[#94C0C0]-> N4
+nest1_0 ..[#CD8FF2]..> nest1_1
+nest1_1 -[#94C0C0]-> nest1_2
+nest1_2 ..[#BDAFA8]..> nest1_3
+N3 -[#94C0C0]-> nest1_0
+nest1_3 -[#BDAFA8]-> N4 : rehabilitates
+N2 ..[#BDAFA8]..> S0
+S0 -[#BDAFA8]-> N5
+S0 ..[#BDAFA8]..> N4
+N2 ..[#94C0C0]..> S1
+S1 ..[#000000]..> N5
+S1 ..[#94C0C0]..> N4
+N0 -[#94C0C0]-> S2
+S2 -[#CD8FF2]-> N3
+S2 -[#BDAFA8]-> N2
+nest1_3 ..[#BDAFA8]..> N3 : listens
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_248.txt b/test/plantuml/graph_hard/plantuml_248.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4097918d9609a9076f29684a3752152b92647055
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_248.txt
@@ -0,0 +1,28 @@
+<Anxiety Management, connectedTo, Coping Skill Development>
+<Anxiety Management, partOf, Stress Reduction Techniques>
+<Bipolar Disorder Management, connectedTo, Crisis Intervention>
+<Bipolar Disorder Management, partOf, Psychiatric Evaluation>
+<Child & Adolescent Therapy, connectedTo, Anxiety Management>
+<Child & Adolescent Therapy, connectedTo, Emotional Regulation Training>
+<Coping Skill Development, connectedTo, Trauma Therapy>
+<Coping Skill Development, partOf, Stress Reduction Techniques>
+<Counseling Services, connectedTo, Child & Adolescent Therapy>
+<Counseling Services, connectedTo, Medication Management>
+<Counseling Services, connectedTo, Therapy Session>
+<Crisis Intervention, connectedTo, Mental Health Screening>
+<Crisis Intervention, partOf, Psychiatric Evaluation>
+<Emotional Regulation Training, relieves, Suicide Prevention>
+<Inpatient Treatment Coordination, connectedTo, Bipolar Disorder Management>
+<Inpatient Treatment Coordination, partOf, Psychiatric Evaluation>
+<Medication Management, connectedTo, Child & Adolescent Therapy>
+<Medication Management, connectedTo, Emotional Regulation Training>
+<Medication Management, connectedTo, Inpatient Treatment Coordination>
+<Medication Management, connectedTo, Suicide Prevention>
+<Mental Health Screening, connectedTo, Emotional Regulation Training>
+<Mental Health Screening, partOf, Psychiatric Evaluation>
+<Substance Abuse Counseling, listens, Child & Adolescent Therapy>
+<Substance Abuse Counseling, partOf, Stress Reduction Techniques>
+<Substance Abuse Counseling, rehabilitates, Emotional Regulation Training>
+<Therapy Session, connectedTo, Medication Management>
+<Trauma Therapy, connectedTo, Substance Abuse Counseling>
+<Trauma Therapy, partOf, Stress Reduction Techniques>
diff --git a/test/plantuml/graph_hard/plantuml_249.puml b/test/plantuml/graph_hard/plantuml_249.puml
new file mode 100644
index 0000000000000000000000000000000000000000..0a58702790d2a66c81b263f538317d04a02379bf
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_249.puml
@@ -0,0 +1,69 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Coping Skill Development" as Group0 #FCE4EC {
+    database "Trauma Therapy" as nest0_0 #C2E8E6
+    component "Child & Adolescent Therapy" as nest0_1 #FFFCE6
+}
+rectangle "Advocacy for Mental Health" as Group1 #E0F2F1 {
+    database "Recreational Therapy" as nest1_0 #C2E8E6
+    cloud "Telehealth Counseling" as nest1_1 #FFF3E0
+}
+component "Substance Abuse Counseling" as N0 #FFF3E0
+folder "Eating Disorder Treatment" as N1 #FFFCE6
+artifact "Counseling Services" as N2 #C2E8E6
+component "Crisis Intervention" as N3 #FFFCE6
+folder "Dialectical Behavior Therapy" as N4 #FFF3E0
+node "Schizophrenia Management" as N5 #C2E8E6
+node "Group Therapy" as N6 #FFFCE6
+usecase "Bipolar Disorder Management" as N7 #C2E8E6
+folder "Mental Health Screening" as N8 #FFF3E0
+component "Depression Treatment" as N9 #FFFCE6
+node "Outpatient Program Management" as N10 #C2E8E6
+component "Relapse Prevention" as N11 #FFF3E0
+database "Anxiety Management" as N12 #FFF3E0
+folder "Music Therapy" as N13 #C2E8E6
+folder "Psychiatric Evaluation" as N14 #C2E8E6
+artifact "Stress Reduction Techniques" as N15 #FFFCE6
+circle " " as S1 #FFF3E0
+circle " " as S2 #FFF3E0
+circle " " as M0 #FFF3E0
+circle " " as M2 #C2E8E6
+N0 -[#61CAC3]-> N1
+N1 ..[#FFA726]..> N2
+N2 ..[#000000]..> N3
+N3 ..[#FFA726]..> N4
+N4 ..[#000000]..> N5
+N5 -[#000000]-> N6
+N6 ..[#FFA726]..> N7
+N7 ..[#FFA726]..> N8 : tracks
+N8 ..[#61CAC3]..> N9
+N9 ..[#000000]..> N10
+N10 -[#61CAC3]-> N11
+N11 ..[#61CAC3]..> N12
+N12 -[#FFF9AE]-> N13 : supports
+N13 -[#61CAC3]-> N14
+N14 ..[#FFA726]..> N15
+nest0_0 ..[#FFA726]..> nest0_1
+N8 -[#000000]-> nest0_0
+nest0_1 -[#61CAC3]-> N10 : treats
+nest1_0 ..[#FFA726]..> nest1_1
+N2 ..[#FFF9AE]..> nest1_0
+nest1_1 ..[#FFF9AE]..> N2
+N11 -[#000000]-> S1
+S1 -[#FFA726]-> N13
+S1 -[#FFF9AE]-> N14
+S1 ..[#000000]..> N15
+N1 -[#61CAC3]-> S2
+S2 -[#FFA726]-> N6 : audits
+S2 ..[#61CAC3]..> N13
+N7 -[#000000]-> M0
+N0 -[#000000]-> M0
+N10 -[#FFA726]-> M0
+M0 -[#FFF9AE]-> N12
+N2 -[#000000]-> M2
+N3 ..[#61CAC3]..> M2
+N4 -[#000000]-> M2 : diagnoses
+M2 -[#FFF9AE]-> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_249.txt b/test/plantuml/graph_hard/plantuml_249.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fda1b9f945faeb030a11aef062b3e2676f258043
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_249.txt
@@ -0,0 +1,36 @@
+<Anxiety Management, supports, Music Therapy>
+<Bipolar Disorder Management, connectedTo, Anxiety Management>
+<Bipolar Disorder Management, tracks, Mental Health Screening>
+<Child & Adolescent Therapy, partOf, Coping Skill Development>
+<Child & Adolescent Therapy, treats, Outpatient Program Management>
+<Counseling Services, connectedTo, Crisis Intervention>
+<Counseling Services, connectedTo, Group Therapy>
+<Counseling Services, connectedTo, Recreational Therapy>
+<Crisis Intervention, connectedTo, Dialectical Behavior Therapy>
+<Crisis Intervention, connectedTo, Group Therapy>
+<Depression Treatment, connectedTo, Outpatient Program Management>
+<Dialectical Behavior Therapy, connectedTo, Schizophrenia Management>
+<Dialectical Behavior Therapy, diagnoses, Group Therapy>
+<Eating Disorder Treatment, audits, Group Therapy>
+<Eating Disorder Treatment, connectedTo, Counseling Services>
+<Eating Disorder Treatment, connectedTo, Music Therapy>
+<Group Therapy, connectedTo, Bipolar Disorder Management>
+<Mental Health Screening, connectedTo, Depression Treatment>
+<Mental Health Screening, connectedTo, Trauma Therapy>
+<Music Therapy, connectedTo, Psychiatric Evaluation>
+<Outpatient Program Management, connectedTo, Anxiety Management>
+<Outpatient Program Management, connectedTo, Relapse Prevention>
+<Psychiatric Evaluation, connectedTo, Stress Reduction Techniques>
+<Recreational Therapy, connectedTo, Telehealth Counseling>
+<Recreational Therapy, partOf, Advocacy for Mental Health>
+<Relapse Prevention, connectedTo, Anxiety Management>
+<Relapse Prevention, connectedTo, Music Therapy>
+<Relapse Prevention, connectedTo, Psychiatric Evaluation>
+<Relapse Prevention, connectedTo, Stress Reduction Techniques>
+<Schizophrenia Management, connectedTo, Group Therapy>
+<Substance Abuse Counseling, connectedTo, Anxiety Management>
+<Substance Abuse Counseling, connectedTo, Eating Disorder Treatment>
+<Telehealth Counseling, connectedTo, Counseling Services>
+<Telehealth Counseling, partOf, Advocacy for Mental Health>
+<Trauma Therapy, connectedTo, Child & Adolescent Therapy>
+<Trauma Therapy, partOf, Coping Skill Development>
diff --git a/test/plantuml/graph_hard/plantuml_25.puml b/test/plantuml/graph_hard/plantuml_25.puml
new file mode 100644
index 0000000000000000000000000000000000000000..ec6cf825213108357a2a47cd0dd1af34341b135d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_25.puml
@@ -0,0 +1,64 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Vehicle Loading" as Group0 #FBE9E7 {
+    node "Packing Process" as nest0_0 #FFEBEB
+    folder "Driver Check_in" as nest0_1 #FFEBEB
+}
+rectangle "Order Picking" as Group1 #F1F8E9 {
+    artifact "Global Trade Compliance" as nest1_0 #FFEBEB
+    usecase "Carrier Selection" as nest1_1 #ECF0FD
+    database "Package Labeling" as nest1_2 #C9F0F0
+    cloud "Return Logistics" as nest1_3 #ECF0FD
+}
+folder "Warehouse Entry" as N0 #C9F0F0
+folder "Cold Chain Management" as N1 #FFEBEB
+frame "Pallet Stacking" as N2 #C9F0F0
+usecase "Hub Transfer" as N3 #ECF0FD
+artifact "Deconsolidation" as N4 #C9F0F0
+database "Hazardous Material Transport" as N5 #C9F0F0
+node "Damage Reporting" as N6 #ECF0FD
+artifact "Cargo Tracking" as N7 #C9F0F0
+component "Barcode Scanning" as N8 #ECF0FD
+folder "Sorting Center" as N9 #ECF0FD
+node "Delay Notification" as N10 #FFEBEB
+usecase "Proof of Delivery" as N11 #ECF0FD
+circle " " as S1 #ECF0FD
+circle " " as M0 #C9F0F0
+circle " " as M1 #C9F0F0
+circle " " as M2 #C9F0F0
+N0 ..[#4DD0E1]..> N1 : integrates
+N1 -[#B8C0F5]-> N2
+N2 -[#B8C0F5]-> N3
+N3 -[#000000]-> N4
+N4 ..[#FFC2C2]..> N5
+N5 ..[#B8C0F5]..> N6
+N6 -[#4DD0E1]-> N7
+N7 -[#FFC2C2]-> N8
+N8 -[#000000]-> N9
+N9 ..[#4DD0E1]..> N10
+N10 ..[#000000]..> N11
+nest0_0 -[#FFC2C2]-> nest0_1
+N6 -[#4DD0E1]-> nest0_0
+nest0_1 ..[#4DD0E1]..> N6
+nest1_0 -[#000000]-> nest1_1
+nest1_1 -[#000000]-> nest1_2
+nest1_2 -[#4DD0E1]-> nest1_3
+N9 ..[#000000]..> nest1_0
+nest1_3 -[#FFC2C2]-> N8
+N2 ..[#FFC2C2]..> S1
+S1 -[#FFC2C2]-> N7
+S1 -[#000000]-> N10
+S1 -[#B8C0F5]-> N11
+N2 ..[#B8C0F5]..> M0
+N0 -[#FFC2C2]-> M0
+M0 ..[#B8C0F5]..> N4
+N1 -[#B8C0F5]-> M1
+N2 ..[#FFC2C2]..> M1 : receives
+N0 -[#FFC2C2]-> M1 : inspects
+M1 -[#FFC2C2]-> N4
+N1 -[#B8C0F5]-> M2
+N4 -[#4DD0E1]-> M2
+M2 -[#B8C0F5]-> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_25.txt b/test/plantuml/graph_hard/plantuml_25.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ee06a574f204b5d1a542ba5839a7322ba82da7f4
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_25.txt
@@ -0,0 +1,35 @@
+<Barcode Scanning, connectedTo, Sorting Center>
+<Cargo Tracking, connectedTo, Barcode Scanning>
+<Carrier Selection, connectedTo, Package Labeling>
+<Carrier Selection, partOf, Order Picking>
+<Cold Chain Management, connectedTo, Cargo Tracking>
+<Cold Chain Management, connectedTo, Deconsolidation>
+<Cold Chain Management, connectedTo, Pallet Stacking>
+<Damage Reporting, connectedTo, Cargo Tracking>
+<Damage Reporting, connectedTo, Packing Process>
+<Deconsolidation, connectedTo, Cargo Tracking>
+<Deconsolidation, connectedTo, Hazardous Material Transport>
+<Delay Notification, connectedTo, Proof of Delivery>
+<Driver Check_in, connectedTo, Damage Reporting>
+<Driver Check_in, partOf, Vehicle Loading>
+<Global Trade Compliance, connectedTo, Carrier Selection>
+<Global Trade Compliance, partOf, Order Picking>
+<Hazardous Material Transport, connectedTo, Damage Reporting>
+<Hub Transfer, connectedTo, Deconsolidation>
+<Package Labeling, connectedTo, Return Logistics>
+<Package Labeling, partOf, Order Picking>
+<Packing Process, connectedTo, Driver Check_in>
+<Packing Process, partOf, Vehicle Loading>
+<Pallet Stacking, connectedTo, Cargo Tracking>
+<Pallet Stacking, connectedTo, Deconsolidation>
+<Pallet Stacking, connectedTo, Delay Notification>
+<Pallet Stacking, connectedTo, Hub Transfer>
+<Pallet Stacking, connectedTo, Proof of Delivery>
+<Pallet Stacking, receives, Deconsolidation>
+<Return Logistics, connectedTo, Barcode Scanning>
+<Return Logistics, partOf, Order Picking>
+<Sorting Center, connectedTo, Delay Notification>
+<Sorting Center, connectedTo, Global Trade Compliance>
+<Warehouse Entry, connectedTo, Deconsolidation>
+<Warehouse Entry, inspects, Deconsolidation>
+<Warehouse Entry, integrates, Cold Chain Management>
diff --git a/test/plantuml/graph_hard/plantuml_250.puml b/test/plantuml/graph_hard/plantuml_250.puml
new file mode 100644
index 0000000000000000000000000000000000000000..b9c91f8919de0d80827ecc619d094524cd97334f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_250.puml
@@ -0,0 +1,58 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Dietary Software Usage" as Group0 #E8F5E9 {
+    frame "Dietary Supplement Review" as nest0_0 #F5F5DC
+    artifact "Supplement Recommendation" as nest0_1 #D0EFEE
+}
+rectangle "Metabolism Rate Assessment" as Group1 #FCE4EC {
+    rectangle "Recipe Adaptation" as nest1_0 #F5F5DC
+    component "Body Composition Analysis" as nest1_1 #D0EFEE
+    usecase "Sustainable Food Systems" as nest1_2 #D0EFEE
+}
+node "Disease_Specific Nutrition" as N0 #EDE7F6
+node "Food Allergy Management" as N1 #F5F5DC
+folder "Food Waste Reduction" as N2 #D0EFEE
+frame "Nutrigenomics Research" as N3 #F5F5DC
+usecase "Food Fortification Strategies" as N4 #D0EFEE
+database "Eating Habit Modification" as N5 #D0EFEE
+database "Restaurant Menu Analysis" as N6 #F5F5DC
+database "Macronutrient Tracking" as N7 #EDE7F6
+database "Elderly Nutrition" as N8 #D0EFEE
+rectangle "Sports Nutrition" as N9 #D0EFEE
+rectangle "Nutritional Counseling" as N10 #F5F5DC
+node "Clinical Nutrition Support" as N11 #F5F5DC
+circle " " as S1 #EDE7F6
+circle " " as S2 #D0EFEE
+circle " " as M1 #EDE7F6
+N0 ..[#BCB88A]..> N1
+N1 ..[#7E57C2]..> N2
+N2 ..[#7E57C2]..> N3
+N3 ..[#7E57C2]..> N4
+N4 ..[#73C6BC]..> N5
+N5 ..[#73C6BC]..> N6
+N6 ..[#000000]..> N7
+N7 ..[#7E57C2]..> N8
+N8 -[#BCB88A]-> N9
+N9 -[#7E57C2]-> N10
+N10 -[#73C6BC]-> N11
+nest0_0 ..[#73C6BC]..> nest0_1
+N1 ..[#7E57C2]..> nest0_0
+nest0_1 -[#BCB88A]-> N4
+nest1_0 ..[#73C6BC]..> nest1_1
+nest1_1 -[#000000]-> nest1_2
+N10 ..[#7E57C2]..> nest1_0
+nest1_2 -[#73C6BC]-> N5
+N7 -[#7E57C2]-> S1
+S1 ..[#BCB88A]..> N10
+S1 -[#7E57C2]-> N9
+S1 ..[#BCB88A]..> N11
+N1 ..[#7E57C2]..> S2
+S2 ..[#000000]..> N10
+S2 -[#73C6BC]-> N11
+N3 ..[#BCB88A]..> M1
+N1 ..[#73C6BC]..> M1
+N2 -[#7E57C2]-> M1
+M1 ..[#7E57C2]..> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_250.txt b/test/plantuml/graph_hard/plantuml_250.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c1c9fc5a93c4850502da75f3bfac0ee07fb8d656
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_250.txt
@@ -0,0 +1,31 @@
+<Body Composition Analysis, connectedTo, Sustainable Food Systems>
+<Body Composition Analysis, partOf, Metabolism Rate Assessment>
+<Dietary Supplement Review, connectedTo, Supplement Recommendation>
+<Dietary Supplement Review, partOf, Dietary Software Usage>
+<Disease_Specific Nutrition, connectedTo, Food Allergy Management>
+<Eating Habit Modification, connectedTo, Restaurant Menu Analysis>
+<Elderly Nutrition, connectedTo, Sports Nutrition>
+<Food Allergy Management, connectedTo, Clinical Nutrition Support>
+<Food Allergy Management, connectedTo, Dietary Supplement Review>
+<Food Allergy Management, connectedTo, Eating Habit Modification>
+<Food Allergy Management, connectedTo, Food Waste Reduction>
+<Food Allergy Management, connectedTo, Nutritional Counseling>
+<Food Fortification Strategies, connectedTo, Eating Habit Modification>
+<Food Waste Reduction, connectedTo, Eating Habit Modification>
+<Food Waste Reduction, connectedTo, Nutrigenomics Research>
+<Macronutrient Tracking, connectedTo, Clinical Nutrition Support>
+<Macronutrient Tracking, connectedTo, Elderly Nutrition>
+<Macronutrient Tracking, connectedTo, Nutritional Counseling>
+<Macronutrient Tracking, connectedTo, Sports Nutrition>
+<Nutrigenomics Research, connectedTo, Eating Habit Modification>
+<Nutrigenomics Research, connectedTo, Food Fortification Strategies>
+<Nutritional Counseling, connectedTo, Clinical Nutrition Support>
+<Nutritional Counseling, connectedTo, Recipe Adaptation>
+<Recipe Adaptation, connectedTo, Body Composition Analysis>
+<Recipe Adaptation, partOf, Metabolism Rate Assessment>
+<Restaurant Menu Analysis, connectedTo, Macronutrient Tracking>
+<Sports Nutrition, connectedTo, Nutritional Counseling>
+<Supplement Recommendation, connectedTo, Food Fortification Strategies>
+<Supplement Recommendation, partOf, Dietary Software Usage>
+<Sustainable Food Systems, connectedTo, Eating Habit Modification>
+<Sustainable Food Systems, partOf, Metabolism Rate Assessment>
diff --git a/test/plantuml/graph_hard/plantuml_251.puml b/test/plantuml/graph_hard/plantuml_251.puml
new file mode 100644
index 0000000000000000000000000000000000000000..7949e73777d0d253ee707bf10aa98ea6bc2de9dc
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_251.puml
@@ -0,0 +1,79 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Hydration Planning" as Group0 #E8F5E9 {
+    component "Sports Nutrition" as nest0_0 #FFFAE0
+    component "Food Safety Education" as nest0_1 #F3E5F5
+    frame "Eating Habit Modification" as nest0_2 #FFFAE0
+    usecase "Grocery Shopping Guidance" as nest0_3 #F3E5F5
+}
+rectangle "Nutritional Biomarker Analysis" as Group1 #F1F8E9 {
+    folder "Personalized Nutrition Plans" as nest1_0 #FFFAE0
+    component "Food Label Interpretation" as nest1_1 #FFFAE0
+    folder "Detoxification Programs" as nest1_2 #FFFAE0
+    artifact "Food Fortification Strategies" as nest1_3 #FFF3E0
+}
+folder "Nutrigenomics Research" as N0 #F3E5F5
+artifact "Agricultural Nutrition Impact" as N1 #F3E5F5
+rectangle "Weight Management" as N2 #FFFAE0
+usecase "Gut Microbiome Health" as N3 #F3E5F5
+artifact "Disease_Specific Nutrition" as N4 #FFFAE0
+folder "Body Composition Analysis" as N5 #FFF3E0
+database "Dietary Supplement Review" as N6 #F3E5F5
+cloud "Dietary Software Usage" as N7 #FFF3E0
+cloud "Maternal Nutrition" as N8 #FFF3E0
+cloud "Meal Planning" as N9 #F3E5F5
+cloud "Recipe Adaptation" as N10 #FFFAE0
+cloud "Macronutrient Tracking" as N11 #FFFAE0
+circle " " as S0 #FFF3E0
+circle " " as S1 #FFF3E0
+circle " " as S2 #FFFAE0
+circle " " as M0 #FFFAE0
+circle " " as M1 #FFFAE0
+circle " " as M2 #FFF3E0
+N0 -[#FFB74D]-> N1
+N1 ..[#BA68C8]..> N2
+N2 ..[#FFB74D]..> N3
+N3 -[#BA68C8]-> N4 : counsels
+N4 -[#FFE470]-> N5
+N5 ..[#BA68C8]..> N6
+N6 ..[#FFB74D]..> N7
+N7 ..[#FFE470]..> N8
+N8 -[#000000]-> N9
+N9 -[#BA68C8]-> N10
+N10 -[#FFE470]-> N11
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 -[#BA68C8]-> nest0_2
+nest0_2 -[#000000]-> nest0_3
+N3 ..[#000000]..> nest0_0
+nest0_3 -[#BA68C8]-> N1
+nest1_0 -[#FFB74D]-> nest1_1
+nest1_1 ..[#000000]..> nest1_2
+nest1_2 ..[#FFB74D]..> nest1_3
+N5 -[#FFE470]-> nest1_0
+nest1_3 ..[#FFE470]..> N4
+N4 ..[#000000]..> S0
+S0 -[#000000]-> N9
+S0 ..[#FFB74D]..> N11
+S0 ..[#FFB74D]..> N8
+S0 -[#BA68C8]-> N10
+N6 -[#FFE470]-> S1
+S1 -[#BA68C8]-> N8
+S1 ..[#000000]..> N10
+N4 -[#BA68C8]-> S2
+S2 ..[#FFB74D]..> N9
+S2 ..[#FFE470]..> N7
+S2 -[#FFB74D]-> N11
+N0 ..[#BA68C8]..> M0
+N1 -[#000000]-> M0
+M0 ..[#BA68C8]..> N3
+N7 -[#FFE470]-> M1
+N0 ..[#000000]..> M1 : regulates
+N5 -[#FFE470]-> M1
+M1 -[#BA68C8]-> N10
+N6 -[#FFB74D]-> M2
+N5 -[#FFB74D]-> M2
+N4 ..[#FFE470]..> M2
+M2 ..[#000000]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_251.txt b/test/plantuml/graph_hard/plantuml_251.txt
new file mode 100644
index 0000000000000000000000000000000000000000..22592d720a16585352a31f3a7bf1e6a848a53a78
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_251.txt
@@ -0,0 +1,42 @@
+<Agricultural Nutrition Impact, connectedTo, Gut Microbiome Health>
+<Agricultural Nutrition Impact, connectedTo, Weight Management>
+<Body Composition Analysis, connectedTo, Dietary Supplement Review>
+<Body Composition Analysis, connectedTo, Maternal Nutrition>
+<Body Composition Analysis, connectedTo, Personalized Nutrition Plans>
+<Body Composition Analysis, connectedTo, Recipe Adaptation>
+<Detoxification Programs, connectedTo, Food Fortification Strategies>
+<Detoxification Programs, partOf, Nutritional Biomarker Analysis>
+<Dietary Software Usage, connectedTo, Maternal Nutrition>
+<Dietary Software Usage, connectedTo, Recipe Adaptation>
+<Dietary Supplement Review, connectedTo, Dietary Software Usage>
+<Dietary Supplement Review, connectedTo, Maternal Nutrition>
+<Dietary Supplement Review, connectedTo, Recipe Adaptation>
+<Disease_Specific Nutrition, connectedTo, Body Composition Analysis>
+<Disease_Specific Nutrition, connectedTo, Dietary Software Usage>
+<Disease_Specific Nutrition, connectedTo, Macronutrient Tracking>
+<Disease_Specific Nutrition, connectedTo, Maternal Nutrition>
+<Disease_Specific Nutrition, connectedTo, Meal Planning>
+<Disease_Specific Nutrition, connectedTo, Recipe Adaptation>
+<Eating Habit Modification, connectedTo, Grocery Shopping Guidance>
+<Eating Habit Modification, partOf, Hydration Planning>
+<Food Fortification Strategies, connectedTo, Disease_Specific Nutrition>
+<Food Fortification Strategies, partOf, Nutritional Biomarker Analysis>
+<Food Label Interpretation, connectedTo, Detoxification Programs>
+<Food Label Interpretation, partOf, Nutritional Biomarker Analysis>
+<Food Safety Education, connectedTo, Eating Habit Modification>
+<Food Safety Education, partOf, Hydration Planning>
+<Grocery Shopping Guidance, connectedTo, Agricultural Nutrition Impact>
+<Grocery Shopping Guidance, partOf, Hydration Planning>
+<Gut Microbiome Health, connectedTo, Sports Nutrition>
+<Gut Microbiome Health, counsels, Disease_Specific Nutrition>
+<Maternal Nutrition, connectedTo, Meal Planning>
+<Meal Planning, connectedTo, Recipe Adaptation>
+<Nutrigenomics Research, connectedTo, Agricultural Nutrition Impact>
+<Nutrigenomics Research, connectedTo, Gut Microbiome Health>
+<Nutrigenomics Research, regulates, Recipe Adaptation>
+<Personalized Nutrition Plans, connectedTo, Food Label Interpretation>
+<Personalized Nutrition Plans, partOf, Nutritional Biomarker Analysis>
+<Recipe Adaptation, connectedTo, Macronutrient Tracking>
+<Sports Nutrition, connectedTo, Food Safety Education>
+<Sports Nutrition, partOf, Hydration Planning>
+<Weight Management, connectedTo, Gut Microbiome Health>
diff --git a/test/plantuml/graph_hard/plantuml_252.puml b/test/plantuml/graph_hard/plantuml_252.puml
new file mode 100644
index 0000000000000000000000000000000000000000..2a6d85ca72a00b9f70dd093d49d579ee080f2a58
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_252.puml
@@ -0,0 +1,83 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Nutritional Counseling" as Group0 #F1F8E9 {
+    folder "Body Composition Analysis" as nest0_0 #E3F2FD
+    folder "Detoxification Programs" as nest0_1 #E3F2FD
+    artifact "Child Nutrition" as nest0_2 #DED7F0
+}
+rectangle "Elderly Nutrition" as Group1 #FCE4EC {
+    artifact "Food Waste Reduction" as nest1_0 #E1F5FE
+    node "Eating Habit Modification" as nest1_1 #E3F2FD
+    node "Agricultural Nutrition Impact" as nest1_2 #E1F5FE
+    frame "Nutritional Biomarker Analysis" as nest1_3 #E1F5FE
+}
+component "Food Allergy Management" as N0 #E1F5FE
+component "Inflammation and Diet" as N1 #E3F2FD
+database "Sustainable Food Systems" as N2 #DED7F0
+folder "Macronutrient Tracking" as N3 #DED7F0
+database "Hydration Planning" as N4 #E1F5FE
+folder "Metabolism Rate Assessment" as N5 #E3F2FD
+node "Food Fortification Strategies" as N6 #E1F5FE
+artifact "Nutrigenomics Research" as N7 #E3F2FD
+rectangle "Genetic Nutrition Counseling" as N8 #DED7F0
+database "Food Label Interpretation" as N9 #DED7F0
+node "Personalized Nutrition Plans" as N10 #E1F5FE
+database "Clinical Nutrition Support" as N11 #DED7F0
+node "Dietary Assessment" as N12 #E3F2FD
+cloud "Disease_Specific Nutrition" as N13 #E3F2FD
+folder "Community Nutrition Workshops" as N14 #E1F5FE
+frame "Dietary Software Usage" as N15 #DED7F0
+circle " " as S0 #DED7F0
+circle " " as S1 #E3F2FD
+circle " " as S2 #E1F5FE
+circle " " as M0 #E3F2FD
+circle " " as M1 #DED7F0
+circle " " as M2 #E3F2FD
+N0 -[#000000]-> N1
+N1 -[#000000]-> N2
+N2 ..[#4FC3F7]..> N3
+N3 ..[#4FC3F7]..> N4
+N4 -[#4FC3F7]-> N5
+N5 -[#4FC3F7]-> N6
+N6 -[#A188DB]-> N7
+N7 -[#000000]-> N8
+N8 -[#4FC3F7]-> N9
+N9 ..[#64B5F6]..> N10
+N10 ..[#000000]..> N11
+N11 ..[#4FC3F7]..> N12 : prevents
+N12 ..[#A188DB]..> N13
+N13 ..[#4FC3F7]..> N14
+N14 -[#64B5F6]-> N15
+nest0_0 ..[#64B5F6]..> nest0_1
+nest0_1 ..[#4FC3F7]..> nest0_2
+N2 ..[#64B5F6]..> nest0_0
+nest0_2 -[#4FC3F7]-> N15
+nest1_0 ..[#4FC3F7]..> nest1_1
+nest1_1 -[#64B5F6]-> nest1_2
+nest1_2 ..[#000000]..> nest1_3
+N1 ..[#000000]..> nest1_0
+nest1_3 ..[#64B5F6]..> N14
+N1 ..[#64B5F6]..> S0
+S0 ..[#A188DB]..> N13
+S0 -[#A188DB]-> N7
+N10 -[#4FC3F7]-> S1
+S1 ..[#64B5F6]..> N14
+S1 -[#64B5F6]-> N15
+S1 -[#4FC3F7]-> N13
+N8 ..[#A188DB]..> S2
+S2 -[#000000]-> N13
+S2 -[#4FC3F7]-> N15
+S2 ..[#A188DB]..> N14
+N1 -[#4FC3F7]-> M0
+N3 ..[#64B5F6]..> M0
+N4 ..[#000000]..> M0
+M0 -[#A188DB]-> N8
+N4 ..[#4FC3F7]..> M1
+N0 -[#64B5F6]-> M1
+M1 ..[#A188DB]..> N7
+N5 ..[#000000]..> M2
+N6 -[#000000]-> M2
+M2 -[#A188DB]-> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_252.txt b/test/plantuml/graph_hard/plantuml_252.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a37c9be9cb33f659cf4cbc1b4d8dee2e8157260f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_252.txt
@@ -0,0 +1,46 @@
+<Agricultural Nutrition Impact, connectedTo, Nutritional Biomarker Analysis>
+<Agricultural Nutrition Impact, partOf, Elderly Nutrition>
+<Body Composition Analysis, connectedTo, Detoxification Programs>
+<Body Composition Analysis, partOf, Nutritional Counseling>
+<Child Nutrition, connectedTo, Dietary Software Usage>
+<Child Nutrition, partOf, Nutritional Counseling>
+<Clinical Nutrition Support, prevents, Dietary Assessment>
+<Community Nutrition Workshops, connectedTo, Dietary Software Usage>
+<Detoxification Programs, connectedTo, Child Nutrition>
+<Detoxification Programs, partOf, Nutritional Counseling>
+<Dietary Assessment, connectedTo, Disease_Specific Nutrition>
+<Disease_Specific Nutrition, connectedTo, Community Nutrition Workshops>
+<Eating Habit Modification, connectedTo, Agricultural Nutrition Impact>
+<Eating Habit Modification, partOf, Elderly Nutrition>
+<Food Allergy Management, connectedTo, Inflammation and Diet>
+<Food Allergy Management, connectedTo, Nutrigenomics Research>
+<Food Fortification Strategies, connectedTo, Food Label Interpretation>
+<Food Fortification Strategies, connectedTo, Nutrigenomics Research>
+<Food Label Interpretation, connectedTo, Personalized Nutrition Plans>
+<Food Waste Reduction, connectedTo, Eating Habit Modification>
+<Food Waste Reduction, partOf, Elderly Nutrition>
+<Genetic Nutrition Counseling, connectedTo, Community Nutrition Workshops>
+<Genetic Nutrition Counseling, connectedTo, Dietary Software Usage>
+<Genetic Nutrition Counseling, connectedTo, Disease_Specific Nutrition>
+<Genetic Nutrition Counseling, connectedTo, Food Label Interpretation>
+<Hydration Planning, connectedTo, Genetic Nutrition Counseling>
+<Hydration Planning, connectedTo, Metabolism Rate Assessment>
+<Hydration Planning, connectedTo, Nutrigenomics Research>
+<Inflammation and Diet, connectedTo, Disease_Specific Nutrition>
+<Inflammation and Diet, connectedTo, Food Waste Reduction>
+<Inflammation and Diet, connectedTo, Genetic Nutrition Counseling>
+<Inflammation and Diet, connectedTo, Nutrigenomics Research>
+<Inflammation and Diet, connectedTo, Sustainable Food Systems>
+<Macronutrient Tracking, connectedTo, Genetic Nutrition Counseling>
+<Macronutrient Tracking, connectedTo, Hydration Planning>
+<Metabolism Rate Assessment, connectedTo, Food Fortification Strategies>
+<Metabolism Rate Assessment, connectedTo, Food Label Interpretation>
+<Nutrigenomics Research, connectedTo, Genetic Nutrition Counseling>
+<Nutritional Biomarker Analysis, connectedTo, Community Nutrition Workshops>
+<Nutritional Biomarker Analysis, partOf, Elderly Nutrition>
+<Personalized Nutrition Plans, connectedTo, Clinical Nutrition Support>
+<Personalized Nutrition Plans, connectedTo, Community Nutrition Workshops>
+<Personalized Nutrition Plans, connectedTo, Dietary Software Usage>
+<Personalized Nutrition Plans, connectedTo, Disease_Specific Nutrition>
+<Sustainable Food Systems, connectedTo, Body Composition Analysis>
+<Sustainable Food Systems, connectedTo, Macronutrient Tracking>
diff --git a/test/plantuml/graph_hard/plantuml_253.puml b/test/plantuml/graph_hard/plantuml_253.puml
new file mode 100644
index 0000000000000000000000000000000000000000..11e956fe79b4ad7f7015a218509386b859e93032
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_253.puml
@@ -0,0 +1,78 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Virtual Fitness Classes" as Group0 #EDE7F6 {
+    cloud "Pilates Instruction" as nest0_0 #F3E5F5
+    database "HIIT Workouts" as nest0_1 #F3E5F5
+    frame "Functional Fitness Training" as nest0_2 #F0F4C3
+}
+rectangle "Motivation and Goal Setting" as Group1 #F3E5F5 {
+    database "Yoga Instruction" as nest1_0 #F0F4C3
+    artifact "Cardiovascular Training" as nest1_1 #F3E5F5
+}
+usecase "Outdoor Fitness Activities" as N0 #D6D9F0
+artifact "Personal Training" as N1 #D6D9F0
+component "Online Fitness Coaching" as N2 #F3E5F5
+folder "Rehabilitation Exercises" as N3 #F3E5F5
+database "Sports_Specific Training" as N4 #F0F4C3
+usecase "Nutrition for Fitness" as N5 #F3E5F5
+folder "Biometric Feedback Integration" as N6 #D6D9F0
+node "Balance and Coordination" as N7 #F0F4C3
+component "Mind_Body Connection" as N8 #F0F4C3
+node "Fitness Equipment Maintenance" as N9 #F3E5F5
+folder "Cross_Training" as N10 #F0F4C3
+cloud "Strength Training" as N11 #D6D9F0
+rectangle "Posture Correction" as N12 #D6D9F0
+folder "Body Composition Analysis" as N13 #F3E5F5
+node "Personalized Exercise Prescriptions" as N14 #F0F4C3
+cloud "Core Strengthening" as N15 #F3E5F5
+rectangle "Home Workout Programs" as N16 #F0F4C3
+component "Community Fitness Challenges" as N17 #D6D9F0
+cloud "Corporate Wellness Programs" as N18 #F0F4C3
+frame "Running Coaching" as N19 #F3E5F5
+circle " " as S0 #F3E5F5
+circle " " as S1 #F3E5F5
+circle " " as M0 #F0F4C3
+circle " " as M1 #F3E5F5
+N0 ..[#000000]..> N1
+N1 -[#AB47BC]-> N2
+N2 -[#000000]-> N3
+N3 -[#AB47BC]-> N4
+N4 ..[#AED581]..> N5
+N5 -[#000000]-> N6
+N6 -[#9FA9E1]-> N7
+N7 -[#9FA9E1]-> N8
+N8 -[#AB47BC]-> N9
+N9 -[#AB47BC]-> N10
+N10 -[#AED581]-> N11
+N11 -[#9FA9E1]-> N12 : coaches
+N12 ..[#AED581]..> N13
+N13 -[#000000]-> N14
+N14 ..[#AB47BC]..> N15
+N15 ..[#9FA9E1]..> N16
+N16 -[#AB47BC]-> N17
+N17 -[#9FA9E1]-> N18
+N18 -[#9FA9E1]-> N19
+nest0_0 -[#000000]-> nest0_1
+nest0_1 -[#AED581]-> nest0_2
+N11 -[#AED581]-> nest0_0
+nest0_2 ..[#AED581]..> N13
+nest1_0 ..[#000000]..> nest1_1
+N7 ..[#AED581]..> nest1_0
+nest1_1 -[#9FA9E1]-> N7
+N14 ..[#9FA9E1]..> S0
+S0 ..[#9FA9E1]..> N19
+S0 ..[#AED581]..> N17
+S0 -[#9FA9E1]-> N18 : advises
+N6 ..[#AED581]..> S1
+S1 ..[#000000]..> N13 : consults
+S1 -[#AED581]-> N11
+S1 ..[#AB47BC]..> N9
+N1 ..[#AED581]..> M0
+N0 ..[#000000]..> M0
+M0 ..[#AB47BC]..> N10
+N4 ..[#AED581]..> M1
+N5 ..[#9FA9E1]..> M1
+M1 ..[#AB47BC]..> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_253.txt b/test/plantuml/graph_hard/plantuml_253.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2c242153d350384ae5fc481b20d0559203b299c4
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_253.txt
@@ -0,0 +1,41 @@
+<Balance and Coordination, connectedTo, Mind_Body Connection>
+<Balance and Coordination, connectedTo, Yoga Instruction>
+<Biometric Feedback Integration, connectedTo, Balance and Coordination>
+<Biometric Feedback Integration, connectedTo, Fitness Equipment Maintenance>
+<Biometric Feedback Integration, connectedTo, Strength Training>
+<Biometric Feedback Integration, consults, Body Composition Analysis>
+<Body Composition Analysis, connectedTo, Personalized Exercise Prescriptions>
+<Cardiovascular Training, connectedTo, Balance and Coordination>
+<Cardiovascular Training, partOf, Motivation and Goal Setting>
+<Community Fitness Challenges, connectedTo, Corporate Wellness Programs>
+<Core Strengthening, connectedTo, Home Workout Programs>
+<Corporate Wellness Programs, connectedTo, Running Coaching>
+<Cross_Training, connectedTo, Strength Training>
+<Fitness Equipment Maintenance, connectedTo, Cross_Training>
+<Functional Fitness Training, connectedTo, Body Composition Analysis>
+<Functional Fitness Training, partOf, Virtual Fitness Classes>
+<HIIT Workouts, connectedTo, Functional Fitness Training>
+<HIIT Workouts, partOf, Virtual Fitness Classes>
+<Home Workout Programs, connectedTo, Community Fitness Challenges>
+<Mind_Body Connection, connectedTo, Fitness Equipment Maintenance>
+<Nutrition for Fitness, connectedTo, Biometric Feedback Integration>
+<Nutrition for Fitness, connectedTo, Cross_Training>
+<Online Fitness Coaching, connectedTo, Rehabilitation Exercises>
+<Outdoor Fitness Activities, connectedTo, Cross_Training>
+<Outdoor Fitness Activities, connectedTo, Personal Training>
+<Personal Training, connectedTo, Cross_Training>
+<Personal Training, connectedTo, Online Fitness Coaching>
+<Personalized Exercise Prescriptions, advises, Corporate Wellness Programs>
+<Personalized Exercise Prescriptions, connectedTo, Community Fitness Challenges>
+<Personalized Exercise Prescriptions, connectedTo, Core Strengthening>
+<Personalized Exercise Prescriptions, connectedTo, Running Coaching>
+<Pilates Instruction, connectedTo, HIIT Workouts>
+<Pilates Instruction, partOf, Virtual Fitness Classes>
+<Posture Correction, connectedTo, Body Composition Analysis>
+<Rehabilitation Exercises, connectedTo, Sports_Specific Training>
+<Sports_Specific Training, connectedTo, Cross_Training>
+<Sports_Specific Training, connectedTo, Nutrition for Fitness>
+<Strength Training, coaches, Posture Correction>
+<Strength Training, connectedTo, Pilates Instruction>
+<Yoga Instruction, connectedTo, Cardiovascular Training>
+<Yoga Instruction, partOf, Motivation and Goal Setting>
diff --git a/test/plantuml/graph_hard/plantuml_254.puml b/test/plantuml/graph_hard/plantuml_254.puml
new file mode 100644
index 0000000000000000000000000000000000000000..99e1d0795d1c3b3a53fe8e8b2cbaef8ef274d6d4
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_254.puml
@@ -0,0 +1,74 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Community Fitness Challenges" as Group0 #EDE7F6 {
+    database "Functional Fitness Training" as nest0_0 #FFF9D4
+    folder "Personalized Exercise Prescriptions" as nest0_1 #FFF9D4
+}
+rectangle "Mind_Body Connection" as Group1 #FCE4EC {
+    folder "Wearable Fitness Devices" as nest1_0 #FFF0CC
+    frame "Virtual Fitness Classes" as nest1_1 #FFF9D4
+}
+folder "Workout Tracking Apps" as N0 #FFCDD2
+folder "Cardiovascular Training" as N1 #FFCDD2
+folder "Balance and Coordination" as N2 #FFCDD2
+database "HIIT Workouts" as N3 #FFF0CC
+folder "Senior Fitness Programs" as N4 #FFCDD2
+artifact "Rehabilitation Exercises" as N5 #FFF9D4
+component "Posture Correction" as N6 #FFCDD2
+folder "Injury Prevention" as N7 #FFF0CC
+usecase "Recovery Strategies" as N8 #FFCDD2
+rectangle "Core Strengthening" as N9 #FFF0CC
+folder "Workout Planning" as N10 #FFF9D4
+node "Running Coaching" as N11 #FFF9D4
+usecase "Endurance Training" as N12 #FFF9D4
+folder "Personal Training" as N13 #FFCDD2
+folder "Strength Training" as N14 #FFF0CC
+folder "Youth Fitness Programs" as N15 #FFF9D4
+database "Outdoor Fitness Activities" as N16 #FFF9D4
+node "Fitness Assessment" as N17 #FFCDD2
+folder "Pilates Instruction" as N18 #FFF9D4
+circle " " as S0 #FFF0CC
+circle " " as S1 #FFF9D4
+circle " " as M0 #FFCDD2
+circle " " as M1 #FFCDD2
+N0 -[#F44336]-> N1
+N1 -[#F44336]-> N2
+N2 -[#F44336]-> N3
+N3 -[#FFCC80]-> N4
+N4 ..[#FFCC80]..> N5
+N5 -[#F44336]-> N6
+N6 -[#000000]-> N7
+N7 ..[#FFCC80]..> N8
+N8 ..[#FFCC80]..> N9
+N9 -[#FFE69C]-> N10 : tracks
+N10 -[#F44336]-> N11 : educates
+N11 ..[#F44336]..> N12 : connects
+N12 -[#FFCC80]-> N13
+N13 -[#FFE69C]-> N14
+N14 -[#FFCC80]-> N15
+N15 -[#FFCC80]-> N16
+N16 ..[#F44336]..> N17
+N17 ..[#000000]..> N18
+nest0_0 ..[#000000]..> nest0_1
+N2 ..[#FFCC80]..> nest0_0
+nest0_1 ..[#F44336]..> N15
+nest1_0 ..[#FFCC80]..> nest1_1
+N6 -[#FFE69C]-> nest1_0
+nest1_1 ..[#FFCC80]..> N11 : improves
+N7 -[#FFE69C]-> S0
+S0 ..[#FFCC80]..> N17
+S0 -[#FFE69C]-> N13
+S0 -[#F44336]-> N15
+N14 -[#F44336]-> S1
+S1 -[#F44336]-> N17
+S1 ..[#FFCC80]..> N18
+S1 ..[#FFE69C]..> N16
+N8 -[#F44336]-> M0
+N1 ..[#000000]..> M0
+M0 ..[#F44336]..> N14
+N2 ..[#000000]..> M1
+N15 ..[#FFE69C]..> M1
+M1 ..[#FFE69C]..> N18
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_254.txt b/test/plantuml/graph_hard/plantuml_254.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e08ab3f9138c3038503df61bf22894f0567f04d6
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_254.txt
@@ -0,0 +1,38 @@
+<Balance and Coordination, connectedTo, Functional Fitness Training>
+<Balance and Coordination, connectedTo, HIIT Workouts>
+<Balance and Coordination, connectedTo, Pilates Instruction>
+<Cardiovascular Training, connectedTo, Balance and Coordination>
+<Cardiovascular Training, connectedTo, Strength Training>
+<Core Strengthening, tracks, Workout Planning>
+<Endurance Training, connectedTo, Personal Training>
+<Fitness Assessment, connectedTo, Pilates Instruction>
+<Functional Fitness Training, connectedTo, Personalized Exercise Prescriptions>
+<Functional Fitness Training, partOf, Community Fitness Challenges>
+<HIIT Workouts, connectedTo, Senior Fitness Programs>
+<Injury Prevention, connectedTo, Fitness Assessment>
+<Injury Prevention, connectedTo, Personal Training>
+<Injury Prevention, connectedTo, Recovery Strategies>
+<Injury Prevention, connectedTo, Youth Fitness Programs>
+<Outdoor Fitness Activities, connectedTo, Fitness Assessment>
+<Personal Training, connectedTo, Strength Training>
+<Personalized Exercise Prescriptions, connectedTo, Youth Fitness Programs>
+<Personalized Exercise Prescriptions, partOf, Community Fitness Challenges>
+<Posture Correction, connectedTo, Injury Prevention>
+<Posture Correction, connectedTo, Wearable Fitness Devices>
+<Recovery Strategies, connectedTo, Core Strengthening>
+<Recovery Strategies, connectedTo, Strength Training>
+<Rehabilitation Exercises, connectedTo, Posture Correction>
+<Running Coaching, connects, Endurance Training>
+<Senior Fitness Programs, connectedTo, Rehabilitation Exercises>
+<Strength Training, connectedTo, Fitness Assessment>
+<Strength Training, connectedTo, Outdoor Fitness Activities>
+<Strength Training, connectedTo, Pilates Instruction>
+<Strength Training, connectedTo, Youth Fitness Programs>
+<Virtual Fitness Classes, improves, Running Coaching>
+<Virtual Fitness Classes, partOf, Mind_Body Connection>
+<Wearable Fitness Devices, connectedTo, Virtual Fitness Classes>
+<Wearable Fitness Devices, partOf, Mind_Body Connection>
+<Workout Planning, educates, Running Coaching>
+<Workout Tracking Apps, connectedTo, Cardiovascular Training>
+<Youth Fitness Programs, connectedTo, Outdoor Fitness Activities>
+<Youth Fitness Programs, connectedTo, Pilates Instruction>
diff --git a/test/plantuml/graph_hard/plantuml_255.puml b/test/plantuml/graph_hard/plantuml_255.puml
new file mode 100644
index 0000000000000000000000000000000000000000..57dac058ca7f8dec09563992b6fa408f9cd25cdd
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_255.puml
@@ -0,0 +1,77 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Mind_Body Connection" as Group0 #E8F5E9 {
+    cloud "Functional Fitness Training" as nest0_0 #C2E8E6
+    database "Workout Planning" as nest0_1 #E4E0DF
+    folder "Corporate Wellness Programs" as nest0_2 #FFDCD6
+    database "Running Coaching" as nest0_3 #E4E0DF
+}
+rectangle "Outdoor Fitness Activities" as Group1 #FFF3E0 {
+    database "HIIT Workouts" as nest1_0 #E4E0DF
+    folder "Fitness Assessment" as nest1_1 #E4E0DF
+    folder "Strength Training" as nest1_2 #C2E8E6
+}
+node "Youth Fitness Programs" as N0 #C2E8E6
+frame "Motivation and Goal Setting" as N1 #FFDCD6
+component "Online Fitness Coaching" as N2 #C2E8E6
+cloud "Flexibility Training" as N3 #FFDCD6
+folder "Home Workout Programs" as N4 #FFDCD6
+database "Rehabilitation Exercises" as N5 #FFDCD6
+node "Balance and Coordination" as N6 #E4E0DF
+artifact "Wearable Fitness Devices" as N7 #C2E8E6
+frame "Virtual Fitness Classes" as N8 #C2E8E6
+usecase "Body Composition Analysis" as N9 #FFDCD6
+node "Sports_Specific Training" as N10 #C2E8E6
+node "Weightlifting Techniques" as N11 #E4E0DF
+rectangle "Community Fitness Challenges" as N12 #E4E0DF
+component "Biometric Feedback Integration" as N13 #C2E8E6
+folder "Cross_Training" as N14 #E4E0DF
+cloud "Cardiovascular Training" as N15 #C2E8E6
+circle " " as S0 #C2E8E6
+circle " " as S2 #C2E8E6
+circle " " as M0 #C2E8E6
+circle " " as M2 #C2E8E6
+N0 ..[#000000]..> N1
+N1 ..[#BDAFA8]..> N2
+N2 ..[#FFB2A5]..> N3
+N3 ..[#FFB2A5]..> N4
+N4 -[#BDAFA8]-> N5
+N5 ..[#BDAFA8]..> N6
+N6 ..[#BDAFA8]..> N7
+N7 -[#61CAC3]-> N8 : coaches
+N8 ..[#BDAFA8]..> N9
+N9 ..[#FFB2A5]..> N10
+N10 ..[#000000]..> N11
+N11 -[#BDAFA8]-> N12
+N12 -[#000000]-> N13
+N13 -[#BDAFA8]-> N14
+N14 ..[#000000]..> N15
+nest0_0 -[#000000]-> nest0_1
+nest0_1 ..[#FFB2A5]..> nest0_2
+nest0_2 ..[#BDAFA8]..> nest0_3
+N5 ..[#61CAC3]..> nest0_0
+nest0_3 ..[#61CAC3]..> N15
+nest1_0 ..[#FFB2A5]..> nest1_1
+nest1_1 -[#FFB2A5]-> nest1_2
+N13 -[#BDAFA8]-> nest1_0
+nest1_2 ..[#FFB2A5]..> N15
+N6 ..[#BDAFA8]..> S0
+S0 -[#000000]-> N11
+S0 -[#000000]-> N9
+S0 -[#000000]-> N13
+N2 ..[#000000]..> S2
+S2 ..[#000000]..> N12 : advises
+S2 -[#000000]-> N15
+S2 ..[#BDAFA8]..> N7
+S2 ..[#61CAC3]..> N8
+N1 -[#BDAFA8]-> M0
+N3 ..[#BDAFA8]..> M0
+N2 -[#FFB2A5]-> M0
+M0 ..[#000000]..> N6
+N0 ..[#61CAC3]..> M2
+N3 ..[#BDAFA8]..> M2
+N4 -[#000000]-> M2
+M2 -[#61CAC3]-> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_255.txt b/test/plantuml/graph_hard/plantuml_255.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c8cc6c199ce21863e59e55a4fb75402f74eac669
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_255.txt
@@ -0,0 +1,43 @@
+<Balance and Coordination, connectedTo, Biometric Feedback Integration>
+<Balance and Coordination, connectedTo, Body Composition Analysis>
+<Balance and Coordination, connectedTo, Wearable Fitness Devices>
+<Balance and Coordination, connectedTo, Weightlifting Techniques>
+<Biometric Feedback Integration, connectedTo, Cross_Training>
+<Biometric Feedback Integration, connectedTo, HIIT Workouts>
+<Body Composition Analysis, connectedTo, Sports_Specific Training>
+<Community Fitness Challenges, connectedTo, Biometric Feedback Integration>
+<Corporate Wellness Programs, connectedTo, Running Coaching>
+<Corporate Wellness Programs, partOf, Mind_Body Connection>
+<Cross_Training, connectedTo, Cardiovascular Training>
+<Fitness Assessment, connectedTo, Strength Training>
+<Fitness Assessment, partOf, Outdoor Fitness Activities>
+<Flexibility Training, connectedTo, Balance and Coordination>
+<Flexibility Training, connectedTo, Home Workout Programs>
+<Functional Fitness Training, connectedTo, Workout Planning>
+<Functional Fitness Training, partOf, Mind_Body Connection>
+<HIIT Workouts, connectedTo, Fitness Assessment>
+<HIIT Workouts, partOf, Outdoor Fitness Activities>
+<Home Workout Programs, connectedTo, Balance and Coordination>
+<Home Workout Programs, connectedTo, Rehabilitation Exercises>
+<Motivation and Goal Setting, connectedTo, Balance and Coordination>
+<Motivation and Goal Setting, connectedTo, Online Fitness Coaching>
+<Online Fitness Coaching, advises, Community Fitness Challenges>
+<Online Fitness Coaching, connectedTo, Balance and Coordination>
+<Online Fitness Coaching, connectedTo, Cardiovascular Training>
+<Online Fitness Coaching, connectedTo, Flexibility Training>
+<Online Fitness Coaching, connectedTo, Virtual Fitness Classes>
+<Online Fitness Coaching, connectedTo, Wearable Fitness Devices>
+<Rehabilitation Exercises, connectedTo, Balance and Coordination>
+<Rehabilitation Exercises, connectedTo, Functional Fitness Training>
+<Running Coaching, connectedTo, Cardiovascular Training>
+<Running Coaching, partOf, Mind_Body Connection>
+<Sports_Specific Training, connectedTo, Weightlifting Techniques>
+<Strength Training, connectedTo, Cardiovascular Training>
+<Strength Training, partOf, Outdoor Fitness Activities>
+<Virtual Fitness Classes, connectedTo, Body Composition Analysis>
+<Wearable Fitness Devices, coaches, Virtual Fitness Classes>
+<Weightlifting Techniques, connectedTo, Community Fitness Challenges>
+<Workout Planning, connectedTo, Corporate Wellness Programs>
+<Workout Planning, partOf, Mind_Body Connection>
+<Youth Fitness Programs, connectedTo, Balance and Coordination>
+<Youth Fitness Programs, connectedTo, Motivation and Goal Setting>
diff --git a/test/plantuml/graph_hard/plantuml_256.puml b/test/plantuml/graph_hard/plantuml_256.puml
new file mode 100644
index 0000000000000000000000000000000000000000..4c9c1546ab4943cc8cb9e2da814757db14d2691a
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_256.puml
@@ -0,0 +1,69 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Gratitude Practice" as Group0 #FBE9E7 {
+    database "Sleep Optimization" as nest0_0 #E0E6E9
+    node "Burnout Prevention" as nest0_1 #E0F2F1
+}
+rectangle "Self_Care Routine Development" as Group1 #E0F2F1 {
+    database "Immune System Support" as nest1_0 #E0F2F1
+    frame "Spiritual Exploration" as nest1_1 #E0E6E9
+    artifact "Massage Therapy" as nest1_2 #EFEBE9
+}
+folder "Digital Detox" as N0 #E0E6E9
+artifact "Mindfulness Practice" as N1 #EFEBE9
+database "Detox Programs" as N2 #E0F2F1
+cloud "Physical Activity Planning" as N3 #E0E6E9
+usecase "Nutrition Guidance" as N4 #E0E6E9
+usecase "Stress Management" as N5 #EFEBE9
+cloud "Personal Growth Planning" as N6 #E0E6E9
+rectangle "Environmental Wellness" as N7 #E0F2F1
+folder "Gut Health for Wellness" as N8 #E0E6E9
+usecase "Hydrotherapy" as N9 #E0F2F1
+artifact "Alternative Therapies" as N10 #EFEBE9
+node "Emotional Well_being" as N11 #EFEBE9
+usecase "Community Wellness Programs" as N12 #EFEBE9
+rectangle "Health Coaching" as N13 #E0F2F1
+cloud "Meditation Coaching" as N14 #EFEBE9
+artifact "Resilience Building" as N15 #EFEBE9
+circle " " as S0 #EFEBE9
+circle " " as S1 #E0F2F1
+circle " " as M0 #EFEBE9
+circle " " as M1 #EFEBE9
+N0 ..[#000000]..> N1
+N1 ..[#4DB6AC]..> N2
+N2 -[#AABEC6]-> N3
+N3 -[#A1887F]-> N4
+N4 ..[#4DB6AC]..> N5
+N5 ..[#000000]..> N6
+N6 ..[#AABEC6]..> N7
+N7 -[#AABEC6]-> N8
+N8 -[#A1887F]-> N9
+N9 -[#4DB6AC]-> N10
+N10 -[#000000]-> N11
+N11 -[#AABEC6]-> N12
+N12 -[#4DB6AC]-> N13 : licenses
+N13 -[#000000]-> N14
+N14 ..[#A1887F]..> N15
+nest0_0 ..[#A1887F]..> nest0_1
+N2 ..[#A1887F]..> nest0_0
+nest0_1 ..[#000000]..> N6
+nest1_0 -[#A1887F]-> nest1_1
+nest1_1 -[#AABEC6]-> nest1_2
+N1 -[#000000]-> nest1_0
+nest1_2 ..[#AABEC6]..> N3
+N9 ..[#4DB6AC]..> S0
+S0 -[#000000]-> N11
+S0 ..[#A1887F]..> N15
+N2 -[#A1887F]-> S1
+S1 ..[#AABEC6]..> N12
+S1 ..[#000000]..> N4
+S1 ..[#000000]..> N15
+N5 ..[#000000]..> M0
+N3 -[#AABEC6]-> M0
+M0 ..[#4DB6AC]..> N7
+N0 -[#A1887F]-> M1
+N1 ..[#A1887F]..> M1
+M1 -[#000000]-> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_256.txt b/test/plantuml/graph_hard/plantuml_256.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f112f0578d348b9fcf941f53c4f9c9b527d67fc7
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_256.txt
@@ -0,0 +1,36 @@
+<Alternative Therapies, connectedTo, Emotional Well_being>
+<Burnout Prevention, connectedTo, Personal Growth Planning>
+<Burnout Prevention, partOf, Gratitude Practice>
+<Community Wellness Programs, licenses, Health Coaching>
+<Detox Programs, connectedTo, Community Wellness Programs>
+<Detox Programs, connectedTo, Nutrition Guidance>
+<Detox Programs, connectedTo, Physical Activity Planning>
+<Detox Programs, connectedTo, Resilience Building>
+<Detox Programs, connectedTo, Sleep Optimization>
+<Digital Detox, connectedTo, Mindfulness Practice>
+<Digital Detox, connectedTo, Physical Activity Planning>
+<Emotional Well_being, connectedTo, Community Wellness Programs>
+<Environmental Wellness, connectedTo, Gut Health for Wellness>
+<Gut Health for Wellness, connectedTo, Hydrotherapy>
+<Health Coaching, connectedTo, Meditation Coaching>
+<Hydrotherapy, connectedTo, Alternative Therapies>
+<Hydrotherapy, connectedTo, Emotional Well_being>
+<Hydrotherapy, connectedTo, Resilience Building>
+<Immune System Support, connectedTo, Spiritual Exploration>
+<Immune System Support, partOf, Self_Care Routine Development>
+<Massage Therapy, connectedTo, Physical Activity Planning>
+<Massage Therapy, partOf, Self_Care Routine Development>
+<Meditation Coaching, connectedTo, Resilience Building>
+<Mindfulness Practice, connectedTo, Detox Programs>
+<Mindfulness Practice, connectedTo, Immune System Support>
+<Mindfulness Practice, connectedTo, Physical Activity Planning>
+<Nutrition Guidance, connectedTo, Stress Management>
+<Personal Growth Planning, connectedTo, Environmental Wellness>
+<Physical Activity Planning, connectedTo, Environmental Wellness>
+<Physical Activity Planning, connectedTo, Nutrition Guidance>
+<Sleep Optimization, connectedTo, Burnout Prevention>
+<Sleep Optimization, partOf, Gratitude Practice>
+<Spiritual Exploration, connectedTo, Massage Therapy>
+<Spiritual Exploration, partOf, Self_Care Routine Development>
+<Stress Management, connectedTo, Environmental Wellness>
+<Stress Management, connectedTo, Personal Growth Planning>
diff --git a/test/plantuml/graph_hard/plantuml_257.puml b/test/plantuml/graph_hard/plantuml_257.puml
new file mode 100644
index 0000000000000000000000000000000000000000..71ae320a7e7210f2a205167c006c2864a2e85ff7
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_257.puml
@@ -0,0 +1,81 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Detox Programs" as Group0 #ECEFF1 {
+    usecase "Chiropractic Care" as nest0_0 #F0F4C3
+    node "Work_Life Balance Coaching" as nest0_1 #F0F4C3
+    artifact "Community Wellness Programs" as nest0_2 #D1C4E9
+}
+rectangle "Biofeedback Training" as Group1 #EDE7F6 {
+    frame "Gut Health for Wellness" as nest1_0 #CFD8DC
+    database "Massage Therapy" as nest1_1 #F0F4C3
+    cloud "Nutrition Guidance" as nest1_2 #CFD8DC
+}
+rectangle "Employee Wellness Programs" as N0 #D1C4E9
+frame "Digital Detox" as N1 #D1C4E9
+node "Breathwork Exercises" as N2 #CFD8DC
+usecase "Burnout Prevention" as N3 #F0F4C3
+database "Immune System Support" as N4 #D1C4E9
+database "Gratitude Practice" as N5 #CFD8DC
+cloud "Meditation Coaching" as N6 #CFD8DC
+folder "Mindfulness Practice" as N7 #CFD8DC
+rectangle "Proactive Health Management" as N8 #D1C4E9
+artifact "Wellness Retreat Planning" as N9 #D1C4E9
+usecase "Journaling for Wellness" as N10 #F0F4C3
+folder "Environmental Wellness" as N11 #CFD8DC
+cloud "Social Connection Enhancement" as N12 #CFD8DC
+database "Positive Psychology Application" as N13 #D1C4E9
+database "Nature Connection" as N14 #CFD8DC
+rectangle "Resilience Building" as N15 #CFD8DC
+frame "Self_Care Routine Development" as N16 #F0F4C3
+folder "Behavior Change Support" as N17 #D1C4E9
+frame "Holistic Health Assessment" as N18 #F0F4C3
+circle " " as S0 #F0F4C3
+circle " " as S1 #D1C4E9
+circle " " as M0 #D1C4E9
+circle " " as M1 #F0F4C3
+N0 -[#607D8B]-> N1
+N1 -[#000000]-> N2
+N2 -[#607D8B]-> N3
+N3 ..[#AED581]..> N4
+N4 ..[#607D8B]..> N5
+N5 -[#000000]-> N6
+N6 -[#AED581]-> N7
+N7 ..[#607D8B]..> N8
+N8 ..[#607D8B]..> N9
+N9 -[#673AB7]-> N10
+N10 ..[#607D8B]..> N11
+N11 ..[#673AB7]..> N12
+N12 -[#AED581]-> N13
+N13 ..[#AED581]..> N14
+N14 -[#000000]-> N15
+N15 -[#607D8B]-> N16
+N16 -[#AED581]-> N17
+N17 ..[#673AB7]..> N18
+nest0_0 -[#673AB7]-> nest0_1
+nest0_1 -[#607D8B]-> nest0_2
+N16 -[#AED581]-> nest0_0
+nest0_2 -[#607D8B]-> N9
+nest1_0 -[#607D8B]-> nest1_1
+nest1_1 ..[#AED581]..> nest1_2
+N8 ..[#607D8B]..> nest1_0
+nest1_2 ..[#607D8B]..> N15
+N1 ..[#673AB7]..> S0
+S0 -[#607D8B]-> N14
+S0 ..[#AED581]..> N3
+S0 ..[#000000]..> N18
+S0 -[#AED581]-> N7
+N5 ..[#607D8B]..> S1
+S1 ..[#AED581]..> N8
+S1 ..[#673AB7]..> N18
+S1 ..[#607D8B]..> N7
+S1 ..[#607D8B]..> N17
+N10 ..[#607D8B]..> M0
+N2 -[#000000]-> M0
+N13 -[#AED581]-> M0
+M0 ..[#AED581]..> N15
+N6 -[#AED581]-> M1
+N9 -[#000000]-> M1
+M1 -[#673AB7]-> N12
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_257.txt b/test/plantuml/graph_hard/plantuml_257.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3586e75f9d85f52ad8378ee88977729f62525572
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_257.txt
@@ -0,0 +1,45 @@
+<Behavior Change Support, connectedTo, Holistic Health Assessment>
+<Breathwork Exercises, connectedTo, Burnout Prevention>
+<Breathwork Exercises, connectedTo, Resilience Building>
+<Burnout Prevention, connectedTo, Immune System Support>
+<Chiropractic Care, connectedTo, Work_Life Balance Coaching>
+<Chiropractic Care, partOf, Detox Programs>
+<Community Wellness Programs, connectedTo, Wellness Retreat Planning>
+<Community Wellness Programs, partOf, Detox Programs>
+<Digital Detox, connectedTo, Breathwork Exercises>
+<Digital Detox, connectedTo, Burnout Prevention>
+<Digital Detox, connectedTo, Holistic Health Assessment>
+<Digital Detox, connectedTo, Mindfulness Practice>
+<Digital Detox, connectedTo, Nature Connection>
+<Employee Wellness Programs, connectedTo, Digital Detox>
+<Environmental Wellness, connectedTo, Social Connection Enhancement>
+<Gratitude Practice, connectedTo, Behavior Change Support>
+<Gratitude Practice, connectedTo, Holistic Health Assessment>
+<Gratitude Practice, connectedTo, Meditation Coaching>
+<Gratitude Practice, connectedTo, Mindfulness Practice>
+<Gratitude Practice, connectedTo, Proactive Health Management>
+<Gut Health for Wellness, connectedTo, Massage Therapy>
+<Gut Health for Wellness, partOf, Biofeedback Training>
+<Immune System Support, connectedTo, Gratitude Practice>
+<Journaling for Wellness, connectedTo, Environmental Wellness>
+<Journaling for Wellness, connectedTo, Resilience Building>
+<Massage Therapy, connectedTo, Nutrition Guidance>
+<Massage Therapy, partOf, Biofeedback Training>
+<Meditation Coaching, connectedTo, Mindfulness Practice>
+<Meditation Coaching, connectedTo, Social Connection Enhancement>
+<Mindfulness Practice, connectedTo, Proactive Health Management>
+<Nature Connection, connectedTo, Resilience Building>
+<Nutrition Guidance, connectedTo, Resilience Building>
+<Nutrition Guidance, partOf, Biofeedback Training>
+<Positive Psychology Application, connectedTo, Nature Connection>
+<Positive Psychology Application, connectedTo, Resilience Building>
+<Proactive Health Management, connectedTo, Gut Health for Wellness>
+<Proactive Health Management, connectedTo, Wellness Retreat Planning>
+<Resilience Building, connectedTo, Self_Care Routine Development>
+<Self_Care Routine Development, connectedTo, Behavior Change Support>
+<Self_Care Routine Development, connectedTo, Chiropractic Care>
+<Social Connection Enhancement, connectedTo, Positive Psychology Application>
+<Wellness Retreat Planning, connectedTo, Journaling for Wellness>
+<Wellness Retreat Planning, connectedTo, Social Connection Enhancement>
+<Work_Life Balance Coaching, connectedTo, Community Wellness Programs>
+<Work_Life Balance Coaching, partOf, Detox Programs>
diff --git a/test/plantuml/graph_hard/plantuml_258.puml b/test/plantuml/graph_hard/plantuml_258.puml
new file mode 100644
index 0000000000000000000000000000000000000000..7363157e0f08c4ea6df2acdd934f58b97ce53b3b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_258.puml
@@ -0,0 +1,63 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Proactive Health Management" as Group0 #FBE9E7 {
+    database "Immune System Support" as nest0_0 #E1BEE7
+    rectangle "Sleep Optimization" as nest0_1 #FFFCE6
+}
+rectangle "Journaling for Wellness" as Group1 #E8F5E9 {
+    node "Acupuncture Consultation" as nest1_0 #FFFCE6
+    rectangle "Gut Health for Wellness" as nest1_1 #E1BEE7
+    node "Massage Therapy" as nest1_2 #D3D7EB
+    frame "Health Coaching" as nest1_3 #D3D7EB
+}
+artifact "Meditation Coaching" as N0 #E1BEE7
+rectangle "Holistic Health Assessment" as N1 #FFFCE6
+folder "Self_Care Routine Development" as N2 #FFFCE6
+artifact "Nutrition Guidance" as N3 #E1BEE7
+database "Nature Connection" as N4 #D3D7EB
+component "Digital Detox" as N5 #FFFCE6
+cloud "Financial Wellness Planning" as N6 #D3D7EB
+component "Wellness Retreat Planning" as N7 #FFFCE6
+folder "Community Wellness Programs" as N8 #E1BEE7
+circle " " as S1 #D3D7EB
+circle " " as S2 #FFFCE6
+circle " " as M0 #E1BEE7
+circle " " as M1 #D3D7EB
+circle " " as M2 #D3D7EB
+N0 ..[#9C27B0]..> N1
+N1 ..[#8C9EFF]..> N2
+N2 ..[#8C9EFF]..> N3
+N3 ..[#8C9EFF]..> N4 : recommends
+N4 -[#8C9EFF]-> N5
+N5 -[#000000]-> N6 : optimizes
+N6 -[#9C27B0]-> N7
+N7 ..[#000000]..> N8 : researches
+nest0_0 ..[#FFF9AE]..> nest0_1 : manages
+N4 -[#9C27B0]-> nest0_0
+nest0_1 -[#9C27B0]-> N7
+nest1_0 -[#000000]-> nest1_1
+nest1_1 ..[#8C9EFF]..> nest1_2 : stress_reduces
+nest1_2 ..[#FFF9AE]..> nest1_3
+N2 -[#FFF9AE]-> nest1_0
+nest1_3 -[#FFF9AE]-> N3
+N3 -[#FFF9AE]-> S1
+S1 ..[#FFF9AE]..> N8
+S1 -[#FFF9AE]-> N5
+N2 -[#9C27B0]-> S2
+S2 ..[#9C27B0]..> N6
+S2 ..[#9C27B0]..> N8
+S2 ..[#9C27B0]..> N5
+N1 ..[#8C9EFF]..> M0
+N0 -[#9C27B0]-> M0
+N3 ..[#9C27B0]..> M0
+M0 ..[#FFF9AE]..> N5
+N0 ..[#8C9EFF]..> M1
+N1 ..[#FFF9AE]..> M1
+M1 ..[#000000]..> N3
+N3 ..[#FFF9AE]..> M2
+N2 ..[#000000]..> M2
+N1 ..[#8C9EFF]..> M2
+M2 -[#9C27B0]-> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_258.txt b/test/plantuml/graph_hard/plantuml_258.txt
new file mode 100644
index 0000000000000000000000000000000000000000..29f259eac2450cf28008e9eb90aa712d973ea2a1
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_258.txt
@@ -0,0 +1,32 @@
+<Acupuncture Consultation, connectedTo, Gut Health for Wellness>
+<Acupuncture Consultation, partOf, Journaling for Wellness>
+<Digital Detox, optimizes, Financial Wellness Planning>
+<Financial Wellness Planning, connectedTo, Wellness Retreat Planning>
+<Gut Health for Wellness, partOf, Journaling for Wellness>
+<Gut Health for Wellness, stress_reduces, Massage Therapy>
+<Health Coaching, connectedTo, Nutrition Guidance>
+<Health Coaching, partOf, Journaling for Wellness>
+<Holistic Health Assessment, connectedTo, Community Wellness Programs>
+<Holistic Health Assessment, connectedTo, Digital Detox>
+<Holistic Health Assessment, connectedTo, Nutrition Guidance>
+<Holistic Health Assessment, connectedTo, Self_Care Routine Development>
+<Immune System Support, manages, Sleep Optimization>
+<Immune System Support, partOf, Proactive Health Management>
+<Massage Therapy, connectedTo, Health Coaching>
+<Massage Therapy, partOf, Journaling for Wellness>
+<Meditation Coaching, connectedTo, Digital Detox>
+<Meditation Coaching, connectedTo, Holistic Health Assessment>
+<Meditation Coaching, connectedTo, Nutrition Guidance>
+<Nature Connection, connectedTo, Digital Detox>
+<Nature Connection, connectedTo, Immune System Support>
+<Nutrition Guidance, connectedTo, Community Wellness Programs>
+<Nutrition Guidance, connectedTo, Digital Detox>
+<Nutrition Guidance, recommends, Nature Connection>
+<Self_Care Routine Development, connectedTo, Acupuncture Consultation>
+<Self_Care Routine Development, connectedTo, Community Wellness Programs>
+<Self_Care Routine Development, connectedTo, Digital Detox>
+<Self_Care Routine Development, connectedTo, Financial Wellness Planning>
+<Self_Care Routine Development, connectedTo, Nutrition Guidance>
+<Sleep Optimization, connectedTo, Wellness Retreat Planning>
+<Sleep Optimization, partOf, Proactive Health Management>
+<Wellness Retreat Planning, researches, Community Wellness Programs>
diff --git a/test/plantuml/graph_hard/plantuml_259.puml b/test/plantuml/graph_hard/plantuml_259.puml
new file mode 100644
index 0000000000000000000000000000000000000000..206a3d2e10eead5eb96f2a750f924948d78d0c2e
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_259.puml
@@ -0,0 +1,64 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Contractor Coordination" as Group0 #ECEFF1 {
+    artifact "Ergonomics Integration" as nest0_0 #EDF5F3
+    rectangle "Mood Board Creation" as nest0_1 #EDF5F3
+}
+rectangle "Retail Interior Design" as Group1 #E0F2F1 {
+    frame "Hospitality Interior Design" as nest1_0 #FFE88D
+    node "Office Space Design" as nest1_1 #FCE4EC
+}
+folder "Lighting Design" as N0 #EDF5F3
+rectangle "Feng Shui Consultation" as N1 #EDF5F3
+frame "Custom Furniture Design" as N2 #EDF5F3
+database "Color Scheme Selection" as N3 #FFE88D
+cloud "Client Consultation" as N4 #FFE88D
+frame "CAD Drafting" as N5 #FCE4EC
+folder "Project Management" as N6 #FFE88D
+artifact "Bathroom Design" as N7 #FCE4EC
+database "Installation Supervision" as N8 #FFE88D
+node "Flooring Specification" as N9 #FFE88D
+usecase "Kitchen Design" as N10 #FFE88D
+cloud "Building Code Compliance" as N11 #FCE4EC
+circle " " as S0 #FFE88D
+circle " " as S1 #FFE88D
+circle " " as S2 #EDF5F3
+circle " " as M1 #FFE88D
+circle " " as M2 #EDF5F3
+N0 ..[#A1D7CD]..> N1
+N1 ..[#000000]..> N2
+N2 -[#000000]-> N3
+N3 -[#A1D7CD]-> N4
+N4 ..[#F06292]..> N5
+N5 ..[#FFDA4E]..> N6
+N6 -[#F06292]-> N7
+N7 ..[#FFDA4E]..> N8
+N8 ..[#F06292]..> N9
+N9 -[#000000]-> N10
+N10 ..[#000000]..> N11
+nest0_0 -[#FFDA4E]-> nest0_1
+N1 ..[#000000]..> nest0_0
+nest0_1 ..[#A1D7CD]..> N7
+nest1_0 ..[#000000]..> nest1_1
+N9 ..[#FFDA4E]..> nest1_0
+nest1_1 ..[#FFDA4E]..> N8
+N1 -[#FFDA4E]-> S0
+S0 ..[#A1D7CD]..> N11
+S0 -[#F06292]-> N6
+S0 -[#F06292]-> N4
+N4 ..[#000000]..> S1
+S1 ..[#F06292]..> N8
+S1 ..[#F06292]..> N11
+S1 -[#000000]-> N10
+N8 ..[#A1D7CD]..> S2
+S2 ..[#000000]..> N11
+S2 ..[#F06292]..> N10
+N3 ..[#A1D7CD]..> M1
+N1 ..[#F06292]..> M1
+M1 -[#000000]-> N6
+N5 -[#FFDA4E]-> M2
+N9 ..[#FFDA4E]..> M2
+M2 -[#FFDA4E]-> N11
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_259.txt b/test/plantuml/graph_hard/plantuml_259.txt
new file mode 100644
index 0000000000000000000000000000000000000000..db34395a5322767aa23df43ef816f5daa8155e6a
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_259.txt
@@ -0,0 +1,32 @@
+<Bathroom Design, connectedTo, Installation Supervision>
+<CAD Drafting, connectedTo, Building Code Compliance>
+<CAD Drafting, connectedTo, Project Management>
+<Client Consultation, connectedTo, Building Code Compliance>
+<Client Consultation, connectedTo, CAD Drafting>
+<Client Consultation, connectedTo, Installation Supervision>
+<Client Consultation, connectedTo, Kitchen Design>
+<Color Scheme Selection, connectedTo, Client Consultation>
+<Color Scheme Selection, connectedTo, Project Management>
+<Custom Furniture Design, connectedTo, Color Scheme Selection>
+<Ergonomics Integration, connectedTo, Mood Board Creation>
+<Ergonomics Integration, partOf, Contractor Coordination>
+<Feng Shui Consultation, connectedTo, Building Code Compliance>
+<Feng Shui Consultation, connectedTo, Client Consultation>
+<Feng Shui Consultation, connectedTo, Custom Furniture Design>
+<Feng Shui Consultation, connectedTo, Ergonomics Integration>
+<Feng Shui Consultation, connectedTo, Project Management>
+<Flooring Specification, connectedTo, Building Code Compliance>
+<Flooring Specification, connectedTo, Hospitality Interior Design>
+<Flooring Specification, connectedTo, Kitchen Design>
+<Hospitality Interior Design, connectedTo, Office Space Design>
+<Hospitality Interior Design, partOf, Retail Interior Design>
+<Installation Supervision, connectedTo, Building Code Compliance>
+<Installation Supervision, connectedTo, Flooring Specification>
+<Installation Supervision, connectedTo, Kitchen Design>
+<Kitchen Design, connectedTo, Building Code Compliance>
+<Lighting Design, connectedTo, Feng Shui Consultation>
+<Mood Board Creation, connectedTo, Bathroom Design>
+<Mood Board Creation, partOf, Contractor Coordination>
+<Office Space Design, connectedTo, Installation Supervision>
+<Office Space Design, partOf, Retail Interior Design>
+<Project Management, connectedTo, Bathroom Design>
diff --git a/test/plantuml/graph_hard/plantuml_26.puml b/test/plantuml/graph_hard/plantuml_26.puml
new file mode 100644
index 0000000000000000000000000000000000000000..427afe478bd8ab7dbd99bea1c5ae4820294e7464
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_26.puml
@@ -0,0 +1,62 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Vehicle Loading" as Group0 #F3E5F5 {
+    usecase "Sorting Center" as nest0_0 #C8E6C9
+    folder "Fleet Maintenance Scheduling" as nest0_1 #C8E6C9
+    folder "Freight Booking" as nest0_2 #F9FBE7
+}
+rectangle "Cold Chain Management" as Group1 #F1F8E9 {
+    component "Air Cargo Handling" as nest1_0 #F9FBE7
+    database "Barcode Scanning" as nest1_1 #F9FBE7
+    folder "Customs Clearance" as nest1_2 #C8E6C9
+    component "Order Picking" as nest1_3 #C8E6C9
+}
+folder "Cargo Tracking" as N0 #F9FBE7
+rectangle "Hazardous Material Transport" as N1 #E8F5E9
+artifact "Customs Declaration" as N2 #F9FBE7
+folder "Pallet Stacking" as N3 #C8E6C9
+folder "Return Logistics" as N4 #C8E6C9
+rectangle "Ocean Freight Management" as N5 #C8E6C9
+usecase "Yard Management" as N6 #C8E6C9
+usecase "Carrier Selection" as N7 #C8E6C9
+cloud "Driver Check_in" as N8 #F9FBE7
+rectangle "Inventory Sync" as N9 #E8F5E9
+artifact "Delivery Confirmation" as N10 #C8E6C9
+circle " " as S0 #E8F5E9
+circle " " as S1 #E8F5E9
+circle " " as M0 #F9FBE7
+N0 ..[#000000]..> N1
+N1 -[#C0CA33]-> N2 : clears
+N2 ..[#66BB6A]..> N3
+N3 -[#C0CA33]-> N4
+N4 -[#66BB6A]-> N5
+N5 -[#C0CA33]-> N6
+N6 -[#C0CA33]-> N7
+N7 -[#66BB6A]-> N8
+N8 -[#C0CA33]-> N9
+N9 ..[#000000]..> N10
+nest0_0 ..[#C0CA33]..> nest0_1
+nest0_1 ..[#C0CA33]..> nest0_2
+N9 ..[#66BB6A]..> nest0_0
+nest0_2 -[#4CAF50]-> N1
+nest1_0 -[#C0CA33]-> nest1_1
+nest1_1 ..[#4CAF50]..> nest1_2
+nest1_2 -[#000000]-> nest1_3
+N8 ..[#C0CA33]..> nest1_0
+nest1_3 -[#66BB6A]-> N5
+N1 ..[#000000]..> S0
+S0 ..[#C0CA33]..> N7
+S0 ..[#000000]..> N5
+S0 -[#66BB6A]-> N6
+S0 -[#000000]-> N3
+N0 ..[#4CAF50]..> S1
+S1 ..[#C0CA33]..> N6
+S1 ..[#000000]..> N3
+S1 ..[#C0CA33]..> N5 : matches
+S1 -[#000000]-> N7 : communicates
+N0 ..[#000000]..> M0
+N2 -[#000000]-> M0 : integrates
+M0 -[#66BB6A]-> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_26.txt b/test/plantuml/graph_hard/plantuml_26.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bdc5b65d993fd0e77b1a876a378c3b6781409481
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_26.txt
@@ -0,0 +1,36 @@
+<Air Cargo Handling, connectedTo, Barcode Scanning>
+<Air Cargo Handling, partOf, Cold Chain Management>
+<Barcode Scanning, connectedTo, Customs Clearance>
+<Barcode Scanning, partOf, Cold Chain Management>
+<Cargo Tracking, communicates, Carrier Selection>
+<Cargo Tracking, connectedTo, Hazardous Material Transport>
+<Cargo Tracking, connectedTo, Pallet Stacking>
+<Cargo Tracking, connectedTo, Return Logistics>
+<Cargo Tracking, connectedTo, Yard Management>
+<Cargo Tracking, matches, Ocean Freight Management>
+<Carrier Selection, connectedTo, Driver Check_in>
+<Customs Clearance, connectedTo, Order Picking>
+<Customs Clearance, partOf, Cold Chain Management>
+<Customs Declaration, connectedTo, Pallet Stacking>
+<Customs Declaration, integrates, Return Logistics>
+<Driver Check_in, connectedTo, Air Cargo Handling>
+<Driver Check_in, connectedTo, Inventory Sync>
+<Fleet Maintenance Scheduling, connectedTo, Freight Booking>
+<Fleet Maintenance Scheduling, partOf, Vehicle Loading>
+<Freight Booking, connectedTo, Hazardous Material Transport>
+<Freight Booking, partOf, Vehicle Loading>
+<Hazardous Material Transport, clears, Customs Declaration>
+<Hazardous Material Transport, connectedTo, Carrier Selection>
+<Hazardous Material Transport, connectedTo, Ocean Freight Management>
+<Hazardous Material Transport, connectedTo, Pallet Stacking>
+<Hazardous Material Transport, connectedTo, Yard Management>
+<Inventory Sync, connectedTo, Delivery Confirmation>
+<Inventory Sync, connectedTo, Sorting Center>
+<Ocean Freight Management, connectedTo, Yard Management>
+<Order Picking, connectedTo, Ocean Freight Management>
+<Order Picking, partOf, Cold Chain Management>
+<Pallet Stacking, connectedTo, Return Logistics>
+<Return Logistics, connectedTo, Ocean Freight Management>
+<Sorting Center, connectedTo, Fleet Maintenance Scheduling>
+<Sorting Center, partOf, Vehicle Loading>
+<Yard Management, connectedTo, Carrier Selection>
diff --git a/test/plantuml/graph_hard/plantuml_260.puml b/test/plantuml/graph_hard/plantuml_260.puml
new file mode 100644
index 0000000000000000000000000000000000000000..32260a5d38e34a4efa5f47f293364574b1aa72a9
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_260.puml
@@ -0,0 +1,76 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Custom Furniture Design" as Group0 #F1F8E9 {
+    artifact "Site Measurement" as nest0_0 #D3F7F9
+    node "Wall Treatment Selection" as nest0_1 #E6EE9C
+    component "Construction Documentation" as nest0_2 #D3F7F9
+    folder "Commercial Interior Design" as nest0_3 #E6EE9C
+}
+rectangle "Space Planning" as Group1 #F1F8E9 {
+    frame "Office Space Design" as nest1_0 #D3F7F9
+    frame "Lighting Design" as nest1_1 #D1C4E9
+    node "CAD Drafting" as nest1_2 #D3F7F9
+    database "Contractor Coordination" as nest1_3 #D3F7F9
+}
+folder "Post_Occupancy Evaluation" as N0 #D3F7F9
+component "Material and Finish Specification" as N1 #D1C4E9
+artifact "Acoustic Treatment" as N2 #D1C4E9
+database "Budget Management" as N3 #E6EE9C
+folder "Building Code Compliance" as N4 #D3F7F9
+node "Textile and Fabric Selection" as N5 #D1C4E9
+folder "Ventilation Planning" as N6 #D3F7F9
+frame "Furniture Selection" as N7 #D3F7F9
+usecase "Project Management" as N8 #D1C4E9
+node "Smart Home Technology Integration" as N9 #E6EE9C
+cloud "3D Rendering" as N10 #D1C4E9
+folder "Healthcare Interior Design" as N11 #D1C4E9
+component "Mood Board Creation" as N12 #E6EE9C
+artifact "Bathroom Design" as N13 #D1C4E9
+folder "Art and Accessory Curation" as N14 #D1C4E9
+folder "Universal Design Principles" as N15 #E6EE9C
+circle " " as S0 #E6EE9C
+circle " " as S1 #D1C4E9
+circle " " as M0 #E6EE9C
+circle " " as M1 #D1C4E9
+N0 ..[#000000]..> N1
+N1 ..[#000000]..> N2
+N2 ..[#80DDEA]..> N3
+N3 ..[#7E57C2]..> N4
+N4 ..[#CDDC39]..> N5
+N5 ..[#7E57C2]..> N6 : transforms
+N6 ..[#80DDEA]..> N7
+N7 ..[#000000]..> N8
+N8 -[#80DDEA]-> N9
+N9 ..[#7E57C2]..> N10 : procures
+N10 -[#7E57C2]-> N11
+N11 ..[#80DDEA]..> N12
+N12 -[#CDDC39]-> N13
+N13 ..[#000000]..> N14 : arranges
+N14 -[#000000]-> N15 : spaces
+nest0_0 -[#7E57C2]-> nest0_1
+nest0_1 ..[#000000]..> nest0_2
+nest0_2 ..[#80DDEA]..> nest0_3
+N13 ..[#000000]..> nest0_0
+nest0_3 -[#CDDC39]-> N12
+nest1_0 ..[#CDDC39]..> nest1_1 : markets
+nest1_1 ..[#80DDEA]..> nest1_2
+nest1_2 -[#000000]-> nest1_3
+N4 ..[#7E57C2]..> nest1_0
+nest1_3 ..[#7E57C2]..> N6
+N12 ..[#000000]..> S0
+S0 ..[#000000]..> N14
+S0 -[#80DDEA]-> N15
+N4 -[#CDDC39]-> S1
+S1 ..[#80DDEA]..> N9
+S1 ..[#7E57C2]..> N8 : renovates
+N4 ..[#000000]..> M0
+N10 -[#7E57C2]-> M0
+N7 -[#80DDEA]-> M0
+M0 ..[#CDDC39]..> N13
+N1 -[#7E57C2]-> M1
+N3 -[#80DDEA]-> M1
+N9 -[#7E57C2]-> M1 : surveys
+M1 ..[#CDDC39]..> N15
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_260.txt b/test/plantuml/graph_hard/plantuml_260.txt
new file mode 100644
index 0000000000000000000000000000000000000000..30a0333eb3b58b5b3f5aadbced4c827ffe15a567
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_260.txt
@@ -0,0 +1,43 @@
+<3D Rendering, connectedTo, Bathroom Design>
+<3D Rendering, connectedTo, Healthcare Interior Design>
+<Acoustic Treatment, connectedTo, Budget Management>
+<Art and Accessory Curation, spaces, Universal Design Principles>
+<Bathroom Design, arranges, Art and Accessory Curation>
+<Bathroom Design, connectedTo, Site Measurement>
+<Budget Management, connectedTo, Building Code Compliance>
+<Budget Management, connectedTo, Universal Design Principles>
+<Building Code Compliance, connectedTo, Bathroom Design>
+<Building Code Compliance, connectedTo, Office Space Design>
+<Building Code Compliance, connectedTo, Smart Home Technology Integration>
+<Building Code Compliance, connectedTo, Textile and Fabric Selection>
+<Building Code Compliance, renovates, Project Management>
+<CAD Drafting, connectedTo, Contractor Coordination>
+<CAD Drafting, partOf, Space Planning>
+<Commercial Interior Design, connectedTo, Mood Board Creation>
+<Commercial Interior Design, partOf, Custom Furniture Design>
+<Construction Documentation, connectedTo, Commercial Interior Design>
+<Construction Documentation, partOf, Custom Furniture Design>
+<Contractor Coordination, connectedTo, Ventilation Planning>
+<Contractor Coordination, partOf, Space Planning>
+<Furniture Selection, connectedTo, Bathroom Design>
+<Furniture Selection, connectedTo, Project Management>
+<Healthcare Interior Design, connectedTo, Mood Board Creation>
+<Lighting Design, connectedTo, CAD Drafting>
+<Lighting Design, partOf, Space Planning>
+<Material and Finish Specification, connectedTo, Acoustic Treatment>
+<Material and Finish Specification, connectedTo, Universal Design Principles>
+<Mood Board Creation, connectedTo, Art and Accessory Curation>
+<Mood Board Creation, connectedTo, Bathroom Design>
+<Mood Board Creation, connectedTo, Universal Design Principles>
+<Office Space Design, markets, Lighting Design>
+<Office Space Design, partOf, Space Planning>
+<Post_Occupancy Evaluation, connectedTo, Material and Finish Specification>
+<Project Management, connectedTo, Smart Home Technology Integration>
+<Site Measurement, connectedTo, Wall Treatment Selection>
+<Site Measurement, partOf, Custom Furniture Design>
+<Smart Home Technology Integration, procures, 3D Rendering>
+<Smart Home Technology Integration, surveys, Universal Design Principles>
+<Textile and Fabric Selection, transforms, Ventilation Planning>
+<Ventilation Planning, connectedTo, Furniture Selection>
+<Wall Treatment Selection, connectedTo, Construction Documentation>
+<Wall Treatment Selection, partOf, Custom Furniture Design>
diff --git a/test/plantuml/graph_hard/plantuml_261.puml b/test/plantuml/graph_hard/plantuml_261.puml
new file mode 100644
index 0000000000000000000000000000000000000000..1b2be9ffaf44f1a63ff22963ed00f276b62603a6
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_261.puml
@@ -0,0 +1,75 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Site Measurement" as Group0 #EDE7F6 {
+    frame "Bathroom Design" as nest0_0 #E8EAF6
+    artifact "3D Rendering" as nest0_1 #F3E5F5
+    usecase "Budget Management" as nest0_2 #FFF9C4
+    folder "Art and Accessory Curation" as nest0_3 #F3E5F5
+}
+rectangle "Client Consultation" as Group1 #FCE4EC {
+    node "Feng Shui Consultation" as nest1_0 #FFF9C4
+    rectangle "Living Room Design" as nest1_1 #F3E5F5
+    artifact "Lighting Design" as nest1_2 #F3E5F5
+}
+rectangle "Custom Furniture Design" as N0 #F3E5F5
+frame "Post_Occupancy Evaluation" as N1 #E8EAF6
+folder "Flooring Specification" as N2 #E8EAF6
+frame "Contractor Coordination" as N3 #FFF9C4
+folder "Textile and Fabric Selection" as N4 #F3E5F5
+database "Bedroom Design" as N5 #E8EAF6
+frame "Ventilation Planning" as N6 #FFF9C4
+artifact "Kitchen Design" as N7 #F3E5F5
+usecase "Universal Design Principles" as N8 #E8EAF6
+database "Retail Interior Design" as N9 #E8EAF6
+cloud "CAD Drafting" as N10 #FFF9C4
+folder "Office Space Design" as N11 #E8EAF6
+artifact "Healthcare Interior Design" as N12 #FFF9C4
+artifact "Ergonomics Integration" as N13 #E8EAF6
+database "Commercial Interior Design" as N14 #F3E5F5
+usecase "Smart Home Technology Integration" as N15 #F3E5F5
+circle " " as S0 #E8EAF6
+circle " " as S1 #E8EAF6
+circle " " as M0 #E8EAF6
+circle " " as M1 #E8EAF6
+N0 ..[#AB47BC]..> N1
+N1 -[#AB47BC]-> N2 : decorates
+N2 ..[#AB47BC]..> N3 : advises
+N3 ..[#AB47BC]..> N4
+N4 ..[#5C6BC0]..> N5
+N5 -[#AB47BC]-> N6
+N6 -[#000000]-> N7
+N7 -[#FFEB3B]-> N8
+N8 ..[#000000]..> N9
+N9 ..[#FFEB3B]..> N10
+N10 ..[#000000]..> N11
+N11 ..[#5C6BC0]..> N12
+N12 ..[#AB47BC]..> N13
+N13 -[#5C6BC0]-> N14
+N14 -[#000000]-> N15 : styles
+nest0_0 -[#5C6BC0]-> nest0_1
+nest0_1 ..[#000000]..> nest0_2
+nest0_2 -[#FFEB3B]-> nest0_3
+N14 -[#FFEB3B]-> nest0_0
+nest0_3 -[#FFEB3B]-> N3
+nest1_0 ..[#FFEB3B]..> nest1_1
+nest1_1 -[#FFEB3B]-> nest1_2
+N13 -[#AB47BC]-> nest1_0
+nest1_2 -[#AB47BC]-> N3
+N8 ..[#FFEB3B]..> S0
+S0 -[#FFEB3B]-> N14
+S0 -[#5C6BC0]-> N15
+S0 ..[#FFEB3B]..> N10
+N6 ..[#AB47BC]..> S1
+S1 ..[#5C6BC0]..> N8
+S1 ..[#5C6BC0]..> N14
+N4 -[#FFEB3B]-> M0
+N2 ..[#FFEB3B]..> M0
+N9 ..[#AB47BC]..> M0
+M0 -[#000000]-> N12
+N2 ..[#FFEB3B]..> M1 : transforms
+N0 -[#000000]-> M1
+N1 ..[#AB47BC]..> M1
+M1 -[#AB47BC]-> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_261.txt b/test/plantuml/graph_hard/plantuml_261.txt
new file mode 100644
index 0000000000000000000000000000000000000000..877f0df58ec2c0db10473bbac44d2e97692e5cc6
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_261.txt
@@ -0,0 +1,42 @@
+<3D Rendering, connectedTo, Budget Management>
+<3D Rendering, partOf, Site Measurement>
+<Art and Accessory Curation, connectedTo, Contractor Coordination>
+<Art and Accessory Curation, partOf, Site Measurement>
+<Bathroom Design, connectedTo, 3D Rendering>
+<Bathroom Design, partOf, Site Measurement>
+<Bedroom Design, connectedTo, Ventilation Planning>
+<Budget Management, connectedTo, Art and Accessory Curation>
+<Budget Management, partOf, Site Measurement>
+<CAD Drafting, connectedTo, Office Space Design>
+<Commercial Interior Design, connectedTo, Bathroom Design>
+<Commercial Interior Design, styles, Smart Home Technology Integration>
+<Contractor Coordination, connectedTo, Textile and Fabric Selection>
+<Custom Furniture Design, connectedTo, Post_Occupancy Evaluation>
+<Custom Furniture Design, connectedTo, Textile and Fabric Selection>
+<Ergonomics Integration, connectedTo, Commercial Interior Design>
+<Ergonomics Integration, connectedTo, Feng Shui Consultation>
+<Feng Shui Consultation, connectedTo, Living Room Design>
+<Feng Shui Consultation, partOf, Client Consultation>
+<Flooring Specification, advises, Contractor Coordination>
+<Flooring Specification, connectedTo, Healthcare Interior Design>
+<Flooring Specification, transforms, Textile and Fabric Selection>
+<Healthcare Interior Design, connectedTo, Ergonomics Integration>
+<Kitchen Design, connectedTo, Universal Design Principles>
+<Lighting Design, connectedTo, Contractor Coordination>
+<Lighting Design, partOf, Client Consultation>
+<Living Room Design, connectedTo, Lighting Design>
+<Living Room Design, partOf, Client Consultation>
+<Office Space Design, connectedTo, Healthcare Interior Design>
+<Post_Occupancy Evaluation, connectedTo, Textile and Fabric Selection>
+<Post_Occupancy Evaluation, decorates, Flooring Specification>
+<Retail Interior Design, connectedTo, CAD Drafting>
+<Retail Interior Design, connectedTo, Healthcare Interior Design>
+<Textile and Fabric Selection, connectedTo, Bedroom Design>
+<Textile and Fabric Selection, connectedTo, Healthcare Interior Design>
+<Universal Design Principles, connectedTo, CAD Drafting>
+<Universal Design Principles, connectedTo, Commercial Interior Design>
+<Universal Design Principles, connectedTo, Retail Interior Design>
+<Universal Design Principles, connectedTo, Smart Home Technology Integration>
+<Ventilation Planning, connectedTo, Commercial Interior Design>
+<Ventilation Planning, connectedTo, Kitchen Design>
+<Ventilation Planning, connectedTo, Universal Design Principles>
diff --git a/test/plantuml/graph_hard/plantuml_262.puml b/test/plantuml/graph_hard/plantuml_262.puml
new file mode 100644
index 0000000000000000000000000000000000000000..841edaedbabe7ea502521c0dcbd0abcb7619fa3e
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_262.puml
@@ -0,0 +1,57 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Contextual Understanding" as Group0 #E3F2FD {
+    frame "Continuous Learning Models for Translation" as nest0_0 #FFF9D4
+    rectangle "Meeting Translation Systems" as nest0_1 #E9F7E8
+    cloud "Statistical Machine Translation" as nest0_2 #FCE4EC
+}
+rectangle "Emotion Detection in Speech" as Group1 #FBE9E7 {
+    folder "Technical Manual Translation" as nest1_0 #FFF9D4
+    folder "Low_Latency Processing" as nest1_1 #FFF9D4
+    component "Multimodal Translation" as nest1_2 #E9F7E8
+}
+folder "Legal Document Translation" as N0 #FFF9D4
+folder "Cross_Lingual Communication" as N1 #FFF9D4
+frame "Machine Translation Engine" as N2 #FCE4EC
+rectangle "Accent Adaptation" as N3 #FFF9D4
+database "Subtitling Generation" as N4 #FFF9D4
+frame "Medical Translation" as N5 #E9F7E8
+rectangle "Offline Translation Capabilities" as N6 #E9F7E8
+node "Dialect Recognition" as N7 #FFF9D4
+cloud "Speaker Diarization" as N8 #FFF9D4
+database "Domain_Specific Translation Models" as N9 #E9F7E8
+component "Consecutive Interpretation" as N10 #FCE4EC
+circle " " as S0 #FFF9D4
+circle " " as S1 #E9F7E8
+circle " " as M1 #FCE4EC
+N0 -[#6EB76D]-> N1
+N1 -[#000000]-> N2 : customizes
+N2 -[#6EB76D]-> N3
+N3 -[#000000]-> N4
+N4 ..[#6EB76D]..> N5
+N5 -[#FFE69C]-> N6 : learns
+N6 -[#FFE69C]-> N7
+N7 ..[#E91E63]..> N8
+N8 ..[#FFE69C]..> N9
+N9 -[#000000]-> N10 : pronounces
+nest0_0 ..[#FFE69C]..> nest0_1
+nest0_1 -[#E91E63]-> nest0_2
+N7 ..[#000000]..> nest0_0
+nest0_2 -[#E91E63]-> N8
+nest1_0 ..[#FFE69C]..> nest1_1
+nest1_1 -[#E91E63]-> nest1_2
+N2 ..[#6EB76D]..> nest1_0 : secures
+nest1_2 -[#6EB76D]-> N7
+N0 -[#FFE69C]-> S0
+S0 ..[#E91E63]..> N4
+S0 -[#FFE69C]-> N9
+N2 ..[#E91E63]..> S1
+S1 -[#FFE69C]-> N5
+S1 ..[#FFE69C]..> N7 : recognizes
+S1 -[#000000]-> N6
+N0 -[#E91E63]-> M1
+N2 -[#000000]-> M1
+M1 ..[#000000]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_262.txt b/test/plantuml/graph_hard/plantuml_262.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2d07a7c2da6002a13503dc8f28526ba68055f84c
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_262.txt
@@ -0,0 +1,31 @@
+<Accent Adaptation, connectedTo, Subtitling Generation>
+<Continuous Learning Models for Translation, connectedTo, Meeting Translation Systems>
+<Continuous Learning Models for Translation, partOf, Contextual Understanding>
+<Cross_Lingual Communication, customizes, Machine Translation Engine>
+<Dialect Recognition, connectedTo, Continuous Learning Models for Translation>
+<Dialect Recognition, connectedTo, Speaker Diarization>
+<Domain_Specific Translation Models, pronounces, Consecutive Interpretation>
+<Legal Document Translation, connectedTo, Cross_Lingual Communication>
+<Legal Document Translation, connectedTo, Domain_Specific Translation Models>
+<Legal Document Translation, connectedTo, Speaker Diarization>
+<Legal Document Translation, connectedTo, Subtitling Generation>
+<Low_Latency Processing, connectedTo, Multimodal Translation>
+<Low_Latency Processing, partOf, Emotion Detection in Speech>
+<Machine Translation Engine, connectedTo, Accent Adaptation>
+<Machine Translation Engine, connectedTo, Medical Translation>
+<Machine Translation Engine, connectedTo, Offline Translation Capabilities>
+<Machine Translation Engine, connectedTo, Speaker Diarization>
+<Machine Translation Engine, recognizes, Dialect Recognition>
+<Machine Translation Engine, secures, Technical Manual Translation>
+<Medical Translation, learns, Offline Translation Capabilities>
+<Meeting Translation Systems, connectedTo, Statistical Machine Translation>
+<Meeting Translation Systems, partOf, Contextual Understanding>
+<Multimodal Translation, connectedTo, Dialect Recognition>
+<Multimodal Translation, partOf, Emotion Detection in Speech>
+<Offline Translation Capabilities, connectedTo, Dialect Recognition>
+<Speaker Diarization, connectedTo, Domain_Specific Translation Models>
+<Statistical Machine Translation, connectedTo, Speaker Diarization>
+<Statistical Machine Translation, partOf, Contextual Understanding>
+<Subtitling Generation, connectedTo, Medical Translation>
+<Technical Manual Translation, connectedTo, Low_Latency Processing>
+<Technical Manual Translation, partOf, Emotion Detection in Speech>
diff --git a/test/plantuml/graph_hard/plantuml_263.puml b/test/plantuml/graph_hard/plantuml_263.puml
new file mode 100644
index 0000000000000000000000000000000000000000..c923e2512c652aa4a7e74a39b8bd37f9efd749c2
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_263.puml
@@ -0,0 +1,88 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Continuous Learning Models for Translation" as Group0 #ECEFF1 {
+    usecase "Low_Latency Processing" as nest0_0 #FFEBEB
+    node "Subtitling Generation" as nest0_1 #FFEBEB
+    database "Wearable Translation Devices" as nest0_2 #FFECB3
+    folder "Meeting Translation Systems" as nest0_3 #FFECB3
+}
+rectangle "Data Security for Translated Content" as Group1 #FBE9E7 {
+    node "Speaker Diarization" as nest1_0 #FFECB3
+    folder "Customer Support Translation" as nest1_1 #FFFDE7
+}
+component "Offline Translation Capabilities" as N0 #FFECB3
+database "Live Event Translation" as N1 #FFECB3
+node "Language Detection" as N2 #FFFDE7
+folder "Glossary Management" as N3 #FFECB3
+folder "Consecutive Interpretation" as N4 #FFEBEB
+cloud "Emotion Detection in Speech" as N5 #FFFDE7
+frame "Dialect Recognition" as N6 #FFFDE7
+node "Contextual Understanding" as N7 #FFFDE7
+frame "Speech Recognition" as N8 #FFFDE7
+database "Accent Adaptation" as N9 #FFFDE7
+node "Tone Recognition" as N10 #FFEBEB
+frame "Sentiment Analysis in Translation" as N11 #FFFDE7
+artifact "Social Media Translation" as N12 #FFECB3
+component "Custom Vocabulary Integration" as N13 #FFFDE7
+folder "Cross_Lingual Communication" as N14 #FFECB3
+artifact "Rule_Based Machine Translation" as N15 #FFFDE7
+artifact "Voice Biometrics" as N16 #FFFDE7
+component "Neural Machine Translation" as N17 #FFECB3
+circle " " as S0 #FFFDE7
+circle " " as S1 #FFEBEB
+circle " " as S2 #FFECB3
+circle " " as M0 #FFEBEB
+circle " " as M1 #FFFDE7
+circle " " as M2 #FFECB3
+N0 ..[#FFC2C2]..> N1
+N1 ..[#000000]..> N2 : develops
+N2 -[#FFC2C2]-> N3
+N3 -[#FFF176]-> N4
+N4 ..[#FFC2C2]..> N5
+N5 ..[#FFF176]..> N6
+N6 -[#FFC2C2]-> N7
+N7 -[#000000]-> N8
+N8 -[#FFC107]-> N9
+N9 -[#FFC2C2]-> N10
+N10 ..[#FFC107]..> N11
+N11 -[#000000]-> N12
+N12 -[#FFF176]-> N13
+N13 -[#FFC107]-> N14 : recognizes
+N14 ..[#FFC2C2]..> N15
+N15 -[#000000]-> N16 : customizes
+N16 ..[#FFC107]..> N17
+nest0_0 ..[#FFC2C2]..> nest0_1 : optimizes
+nest0_1 ..[#FFC2C2]..> nest0_2
+nest0_2 -[#FFC107]-> nest0_3
+N2 -[#000000]-> nest0_0 : automates
+nest0_3 -[#000000]-> N2
+nest1_0 ..[#FFC2C2]..> nest1_1 : analyzes
+N14 ..[#FFC107]..> nest1_0 : personalizes
+nest1_1 -[#FFC2C2]-> N11
+N0 ..[#FFF176]..> S0
+S0 ..[#FFF176]..> N15
+S0 -[#FFF176]-> N6
+S0 -[#FFC107]-> N4
+N10 ..[#000000]..> S1
+S1 ..[#000000]..> N12
+S1 ..[#000000]..> N14
+S1 ..[#FFF176]..> N16
+N4 -[#FFC107]-> S2
+S2 ..[#FFC107]..> N9
+S2 ..[#FFF176]..> N11
+S2 -[#FFC2C2]-> N10
+N0 -[#FFC107]-> M0
+N2 ..[#000000]..> M0
+N3 -[#000000]-> M0
+M0 ..[#FFC2C2]..> N5
+N7 ..[#FFC107]..> M1
+N11 ..[#FFF176]..> M1
+M1 -[#FFC2C2]-> N16
+N1 -[#FFC107]-> M2
+N2 -[#000000]-> M2 : processes
+N3 -[#FFF176]-> M2
+N0 ..[#FFC107]..> M2
+M2 -[#FFC2C2]-> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_263.txt b/test/plantuml/graph_hard/plantuml_263.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b0b17eb0568ff7b4abef2da51412e85562168769
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_263.txt
@@ -0,0 +1,47 @@
+<Accent Adaptation, connectedTo, Tone Recognition>
+<Consecutive Interpretation, connectedTo, Accent Adaptation>
+<Consecutive Interpretation, connectedTo, Emotion Detection in Speech>
+<Consecutive Interpretation, connectedTo, Sentiment Analysis in Translation>
+<Consecutive Interpretation, connectedTo, Tone Recognition>
+<Contextual Understanding, connectedTo, Speech Recognition>
+<Contextual Understanding, connectedTo, Voice Biometrics>
+<Cross_Lingual Communication, connectedTo, Rule_Based Machine Translation>
+<Cross_Lingual Communication, personalizes, Speaker Diarization>
+<Custom Vocabulary Integration, recognizes, Cross_Lingual Communication>
+<Customer Support Translation, connectedTo, Sentiment Analysis in Translation>
+<Customer Support Translation, partOf, Data Security for Translated Content>
+<Dialect Recognition, connectedTo, Contextual Understanding>
+<Emotion Detection in Speech, connectedTo, Dialect Recognition>
+<Glossary Management, connectedTo, Consecutive Interpretation>
+<Glossary Management, connectedTo, Emotion Detection in Speech>
+<Language Detection, automates, Low_Latency Processing>
+<Language Detection, connectedTo, Emotion Detection in Speech>
+<Language Detection, connectedTo, Glossary Management>
+<Language Detection, processes, Emotion Detection in Speech>
+<Live Event Translation, connectedTo, Emotion Detection in Speech>
+<Live Event Translation, develops, Language Detection>
+<Low_Latency Processing, optimizes, Subtitling Generation>
+<Low_Latency Processing, partOf, Continuous Learning Models for Translation>
+<Meeting Translation Systems, connectedTo, Language Detection>
+<Meeting Translation Systems, partOf, Continuous Learning Models for Translation>
+<Offline Translation Capabilities, connectedTo, Consecutive Interpretation>
+<Offline Translation Capabilities, connectedTo, Dialect Recognition>
+<Offline Translation Capabilities, connectedTo, Emotion Detection in Speech>
+<Offline Translation Capabilities, connectedTo, Live Event Translation>
+<Offline Translation Capabilities, connectedTo, Rule_Based Machine Translation>
+<Rule_Based Machine Translation, customizes, Voice Biometrics>
+<Sentiment Analysis in Translation, connectedTo, Social Media Translation>
+<Sentiment Analysis in Translation, connectedTo, Voice Biometrics>
+<Social Media Translation, connectedTo, Custom Vocabulary Integration>
+<Speaker Diarization, analyzes, Customer Support Translation>
+<Speaker Diarization, partOf, Data Security for Translated Content>
+<Speech Recognition, connectedTo, Accent Adaptation>
+<Subtitling Generation, connectedTo, Wearable Translation Devices>
+<Subtitling Generation, partOf, Continuous Learning Models for Translation>
+<Tone Recognition, connectedTo, Cross_Lingual Communication>
+<Tone Recognition, connectedTo, Sentiment Analysis in Translation>
+<Tone Recognition, connectedTo, Social Media Translation>
+<Tone Recognition, connectedTo, Voice Biometrics>
+<Voice Biometrics, connectedTo, Neural Machine Translation>
+<Wearable Translation Devices, connectedTo, Meeting Translation Systems>
+<Wearable Translation Devices, partOf, Continuous Learning Models for Translation>
diff --git a/test/plantuml/graph_hard/plantuml_264.puml b/test/plantuml/graph_hard/plantuml_264.puml
new file mode 100644
index 0000000000000000000000000000000000000000..5b20c25a8989b02a9553030a0b4bc4a100dfee04
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_264.puml
@@ -0,0 +1,58 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Accent Adaptation" as Group0 #FCE4EC {
+    frame "Language Detection" as nest0_0 #DFE7EB
+    usecase "Medical Translation" as nest0_1 #FDFCEB
+    usecase "Speech Recognition" as nest0_2 #FDFCEB
+    rectangle "Tone Recognition" as nest0_3 #E0F2F1
+}
+rectangle "Meeting Translation Systems" as Group1 #ECEFF1 {
+    rectangle "Emotion Detection in Speech" as nest1_0 #DFE7EB
+    folder "Domain_Specific Translation Models" as nest1_1 #E0F2F1
+    component "Glossary Management" as nest1_2 #FDFCEB
+    component "Real_Time Document Translation" as nest1_3 #FDFCEB
+}
+rectangle "Technical Manual Translation" as N0 #FDFCEB
+frame "Legal Document Translation" as N1 #E0F2F1
+folder "Subtitling Generation" as N2 #E0F2F1
+artifact "Pronunciation Correction" as N3 #E0F2F1
+cloud "Text_to_Speech Synthesis" as N4 #DFE7EB
+cloud "Speaker Diarization" as N5 #DFE7EB
+cloud "Cross_Lingual Communication" as N6 #E0F2F1
+usecase "Simultaneous Interpretation" as N7 #FDFCEB
+database "Live Event Translation" as N8 #DFE7EB
+circle " " as S0 #FDFCEB
+circle " " as S1 #FDFCEB
+circle " " as M0 #FDFCEB
+N0 ..[#000000]..> N1
+N1 -[#000000]-> N2
+N2 -[#26A69A]-> N3 : blocks
+N3 ..[#000000]..> N4
+N4 ..[#B0C5CD]..> N5
+N5 -[#EAEFA5]-> N6 : captures
+N6 -[#26A69A]-> N7
+N7 -[#000000]-> N8
+nest0_0 ..[#B0C5CD]..> nest0_1
+nest0_1 ..[#B0C5CD]..> nest0_2
+nest0_2 -[#26A69A]-> nest0_3 : transcribes
+N6 -[#26A69A]-> nest0_0
+nest0_3 -[#B0C5CD]-> N1
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 ..[#000000]..> nest1_2
+nest1_2 -[#26A69A]-> nest1_3
+N3 ..[#EAEFA5]..> nest1_0
+nest1_3 -[#EAEFA5]-> N7
+N3 ..[#EAEFA5]..> S0
+S0 ..[#EAEFA5]..> N6
+S0 -[#000000]-> N7
+S0 -[#EAEFA5]-> N5
+S0 -[#EAEFA5]-> N8
+N3 ..[#B0C5CD]..> S1
+S1 ..[#000000]..> N8
+S1 ..[#000000]..> N6
+N1 -[#B0C5CD]-> M0
+N0 -[#26A69A]-> M0
+M0 ..[#000000]..> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_264.txt b/test/plantuml/graph_hard/plantuml_264.txt
new file mode 100644
index 0000000000000000000000000000000000000000..129444c5dcc03a53eff0a381a3130307c1ea26f3
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_264.txt
@@ -0,0 +1,32 @@
+<Cross_Lingual Communication, connectedTo, Language Detection>
+<Cross_Lingual Communication, connectedTo, Simultaneous Interpretation>
+<Domain_Specific Translation Models, connectedTo, Glossary Management>
+<Domain_Specific Translation Models, partOf, Meeting Translation Systems>
+<Emotion Detection in Speech, connectedTo, Domain_Specific Translation Models>
+<Emotion Detection in Speech, partOf, Meeting Translation Systems>
+<Glossary Management, connectedTo, Real_Time Document Translation>
+<Glossary Management, partOf, Meeting Translation Systems>
+<Language Detection, connectedTo, Medical Translation>
+<Language Detection, partOf, Accent Adaptation>
+<Legal Document Translation, connectedTo, Pronunciation Correction>
+<Legal Document Translation, connectedTo, Subtitling Generation>
+<Medical Translation, connectedTo, Speech Recognition>
+<Medical Translation, partOf, Accent Adaptation>
+<Pronunciation Correction, connectedTo, Cross_Lingual Communication>
+<Pronunciation Correction, connectedTo, Emotion Detection in Speech>
+<Pronunciation Correction, connectedTo, Live Event Translation>
+<Pronunciation Correction, connectedTo, Simultaneous Interpretation>
+<Pronunciation Correction, connectedTo, Speaker Diarization>
+<Pronunciation Correction, connectedTo, Text_to_Speech Synthesis>
+<Real_Time Document Translation, connectedTo, Simultaneous Interpretation>
+<Real_Time Document Translation, partOf, Meeting Translation Systems>
+<Simultaneous Interpretation, connectedTo, Live Event Translation>
+<Speaker Diarization, captures, Cross_Lingual Communication>
+<Speech Recognition, partOf, Accent Adaptation>
+<Speech Recognition, transcribes, Tone Recognition>
+<Subtitling Generation, blocks, Pronunciation Correction>
+<Technical Manual Translation, connectedTo, Legal Document Translation>
+<Technical Manual Translation, connectedTo, Pronunciation Correction>
+<Text_to_Speech Synthesis, connectedTo, Speaker Diarization>
+<Tone Recognition, connectedTo, Legal Document Translation>
+<Tone Recognition, partOf, Accent Adaptation>
diff --git a/test/plantuml/graph_hard/plantuml_265.puml b/test/plantuml/graph_hard/plantuml_265.puml
new file mode 100644
index 0000000000000000000000000000000000000000..a90460cc5cc09dfde7d6c9654f071cb107c11cd0
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_265.puml
@@ -0,0 +1,65 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Geofencing Implementation" as Group0 #F1F8E9 {
+    folder "Drone Maintenance" as nest0_0 #E8EAF6
+    database "Flight Planning Software" as nest0_1 #DFE7EB
+    folder "Drone Design" as nest0_2 #DFE7EB
+}
+rectangle "Remote Piloting Training" as Group1 #ECEFF1 {
+    component "Drone Regulations Compliance" as nest1_0 #E8EAF6
+    node "Inspection" as nest1_1 #ECCFF5
+}
+artifact "Environmental Monitoring" as N0 #E8EAF6
+frame "Ethical Drone Use" as N1 #DFE7EB
+folder "Payload Integration" as N2 #DFE7EB
+artifact "Propeller Design" as N3 #E8EAF6
+artifact "Thermal Imaging with Drones" as N4 #DFE7EB
+usecase "Security Surveillance" as N5 #ECCFF5
+usecase "Search and Rescue Operations" as N6 #ECCFF5
+folder "Payload Customization" as N7 #ECCFF5
+component "Collision Avoidance Systems" as N8 #DFE7EB
+database "Ground Control Station Development" as N9 #E8EAF6
+database "Drone Delivery Logistics" as N10 #ECCFF5
+folder "Swarm Robotics for Drones" as N11 #DFE7EB
+circle " " as S0 #E8EAF6
+circle " " as S1 #ECCFF5
+circle " " as S2 #ECCFF5
+circle " " as M0 #E8EAF6
+N0 ..[#000000]..> N1
+N1 -[#7986CB]-> N2
+N2 ..[#000000]..> N3
+N3 ..[#CD8FF2]..> N4
+N4 -[#B0C5CD]-> N5
+N5 ..[#7986CB]..> N6
+N6 ..[#CD8FF2]..> N7
+N7 -[#7986CB]-> N8
+N8 -[#7986CB]-> N9
+N9 -[#B0C5CD]-> N10
+N10 -[#B0C5CD]-> N11
+nest0_0 -[#CD8FF2]-> nest0_1
+nest0_1 -[#B0C5CD]-> nest0_2
+N8 -[#CD8FF2]-> nest0_0
+nest0_2 ..[#CD8FF2]..> N1
+nest1_0 ..[#B0C5CD]..> nest1_1 : detects
+N6 -[#000000]-> nest1_0
+nest1_1 -[#B0C5CD]-> N4
+N4 -[#CD8FF2]-> S0
+S0 -[#000000]-> N9
+S0 ..[#000000]..> N7
+S0 -[#B0C5CD]-> N6 : delivers
+N4 ..[#CD8FF2]..> S1
+S1 ..[#CD8FF2]..> N7
+S1 ..[#CD8FF2]..> N10
+S1 ..[#7986CB]..> N6
+S1 -[#CD8FF2]-> N9
+N1 ..[#7986CB]..> S2
+S2 ..[#000000]..> N8
+S2 ..[#000000]..> N10
+S2 -[#000000]-> N6
+N3 ..[#CD8FF2]..> M0
+N4 -[#B0C5CD]-> M0
+N2 ..[#B0C5CD]..> M0
+M0 ..[#CD8FF2]..> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_265.txt b/test/plantuml/graph_hard/plantuml_265.txt
new file mode 100644
index 0000000000000000000000000000000000000000..35d371c812d5c3405deecf93b5d250173e3187a3
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_265.txt
@@ -0,0 +1,33 @@
+<Collision Avoidance Systems, connectedTo, Drone Maintenance>
+<Collision Avoidance Systems, connectedTo, Ground Control Station Development>
+<Drone Delivery Logistics, connectedTo, Swarm Robotics for Drones>
+<Drone Design, connectedTo, Ethical Drone Use>
+<Drone Design, partOf, Geofencing Implementation>
+<Drone Maintenance, connectedTo, Flight Planning Software>
+<Drone Maintenance, partOf, Geofencing Implementation>
+<Drone Regulations Compliance, detects, Inspection>
+<Drone Regulations Compliance, partOf, Remote Piloting Training>
+<Environmental Monitoring, connectedTo, Ethical Drone Use>
+<Ethical Drone Use, connectedTo, Collision Avoidance Systems>
+<Ethical Drone Use, connectedTo, Drone Delivery Logistics>
+<Ethical Drone Use, connectedTo, Payload Integration>
+<Ethical Drone Use, connectedTo, Search and Rescue Operations>
+<Flight Planning Software, connectedTo, Drone Design>
+<Flight Planning Software, partOf, Geofencing Implementation>
+<Ground Control Station Development, connectedTo, Drone Delivery Logistics>
+<Inspection, connectedTo, Thermal Imaging with Drones>
+<Inspection, partOf, Remote Piloting Training>
+<Payload Customization, connectedTo, Collision Avoidance Systems>
+<Payload Integration, connectedTo, Propeller Design>
+<Payload Integration, connectedTo, Search and Rescue Operations>
+<Propeller Design, connectedTo, Search and Rescue Operations>
+<Propeller Design, connectedTo, Thermal Imaging with Drones>
+<Search and Rescue Operations, connectedTo, Drone Regulations Compliance>
+<Search and Rescue Operations, connectedTo, Payload Customization>
+<Security Surveillance, connectedTo, Search and Rescue Operations>
+<Thermal Imaging with Drones, connectedTo, Drone Delivery Logistics>
+<Thermal Imaging with Drones, connectedTo, Ground Control Station Development>
+<Thermal Imaging with Drones, connectedTo, Payload Customization>
+<Thermal Imaging with Drones, connectedTo, Search and Rescue Operations>
+<Thermal Imaging with Drones, connectedTo, Security Surveillance>
+<Thermal Imaging with Drones, delivers, Search and Rescue Operations>
diff --git a/test/plantuml/graph_hard/plantuml_266.puml b/test/plantuml/graph_hard/plantuml_266.puml
new file mode 100644
index 0000000000000000000000000000000000000000..98f39b1f80ebabc01b984dbabd74e2a6d1098a49
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_266.puml
@@ -0,0 +1,65 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Mapping and Surveying" as Group0 #F3E5F5 {
+    rectangle "Delivery Services" as nest0_0 #E1F5FE
+    rectangle "Precision Agriculture" as nest0_1 #D3F7F9
+}
+rectangle "Videography" as Group1 #ECEFF1 {
+    folder "Swarm Robotics for Drones" as nest1_0 #D3F7F9
+    folder "Flight Planning Software" as nest1_1 #D3F7F9
+}
+component "Data Processing from Drones" as N0 #D3F7F9
+folder "Payload Integration" as N1 #FAEBF3
+usecase "Endurance Optimization" as N2 #E1F5FE
+node "Aerial Photography" as N3 #D3F7F9
+folder "Collision Avoidance Systems" as N4 #E1F5FE
+database "Battery Management System" as N5 #D3F7F9
+folder "Drone Delivery Logistics" as N6 #FAEBF3
+frame "Ground Control Station Development" as N7 #E1F5FE
+database "AI for Drone Autonomy" as N8 #D3F7F9
+artifact "3D Modeling from Drone Data" as N9 #D3F7F9
+artifact "Propulsion System Development" as N10 #E1F5FE
+folder "Counter_Drone Systems" as N11 #E1F5FE
+database "Wildlife Tracking" as N12 #FAEBF3
+circle " " as S0 #FAEBF3
+circle " " as S1 #E1F5FE
+circle " " as M1 #D3F7F9
+circle " " as M2 #E1F5FE
+N0 -[#000000]-> N1
+N1 -[#F7BEE0]-> N2
+N2 -[#000000]-> N3
+N3 ..[#F7BEE0]..> N4
+N4 -[#F7BEE0]-> N5
+N5 -[#F7BEE0]-> N6
+N6 -[#F7BEE0]-> N7
+N7 -[#4FC3F7]-> N8 : controls
+N8 ..[#000000]..> N9
+N9 ..[#80DDEA]..> N10
+N10 -[#4FC3F7]-> N11 : applies
+N11 -[#F7BEE0]-> N12
+nest0_0 ..[#F7BEE0]..> nest0_1
+N11 ..[#80DDEA]..> nest0_0
+nest0_1 -[#000000]-> N2
+nest1_0 ..[#F7BEE0]..> nest1_1
+N11 -[#F7BEE0]-> nest1_0
+nest1_1 ..[#80DDEA]..> N5
+N2 -[#4FC3F7]-> S0
+S0 -[#4FC3F7]-> N7
+S0 ..[#80DDEA]..> N10
+N2 ..[#000000]..> S1
+S1 ..[#000000]..> N12
+S1 -[#4FC3F7]-> N8
+S1 -[#F7BEE0]-> N6
+N5 -[#4FC3F7]-> M1
+N4 -[#F7BEE0]-> M1
+N3 ..[#000000]..> M1
+N2 -[#000000]-> M1
+M1 -[#F7BEE0]-> N8
+N0 ..[#000000]..> M2 : visualizes
+N3 ..[#000000]..> M2
+N1 -[#4FC3F7]-> M2
+N4 -[#000000]-> M2
+M2 -[#000000]-> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_266.txt b/test/plantuml/graph_hard/plantuml_266.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1ba81cd17a8b48873f2a10fb352233f8ffaceeb6
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_266.txt
@@ -0,0 +1,34 @@
+<3D Modeling from Drone Data, connectedTo, Propulsion System Development>
+<AI for Drone Autonomy, connectedTo, 3D Modeling from Drone Data>
+<Aerial Photography, connectedTo, AI for Drone Autonomy>
+<Aerial Photography, connectedTo, Collision Avoidance Systems>
+<Aerial Photography, connectedTo, Ground Control Station Development>
+<Battery Management System, connectedTo, AI for Drone Autonomy>
+<Battery Management System, connectedTo, Drone Delivery Logistics>
+<Collision Avoidance Systems, connectedTo, AI for Drone Autonomy>
+<Collision Avoidance Systems, connectedTo, Battery Management System>
+<Collision Avoidance Systems, connectedTo, Ground Control Station Development>
+<Counter_Drone Systems, connectedTo, Delivery Services>
+<Counter_Drone Systems, connectedTo, Swarm Robotics for Drones>
+<Counter_Drone Systems, connectedTo, Wildlife Tracking>
+<Data Processing from Drones, connectedTo, Payload Integration>
+<Data Processing from Drones, visualizes, Ground Control Station Development>
+<Delivery Services, connectedTo, Precision Agriculture>
+<Delivery Services, partOf, Mapping and Surveying>
+<Drone Delivery Logistics, connectedTo, Ground Control Station Development>
+<Endurance Optimization, connectedTo, AI for Drone Autonomy>
+<Endurance Optimization, connectedTo, Aerial Photography>
+<Endurance Optimization, connectedTo, Drone Delivery Logistics>
+<Endurance Optimization, connectedTo, Ground Control Station Development>
+<Endurance Optimization, connectedTo, Propulsion System Development>
+<Endurance Optimization, connectedTo, Wildlife Tracking>
+<Flight Planning Software, connectedTo, Battery Management System>
+<Flight Planning Software, partOf, Videography>
+<Ground Control Station Development, controls, AI for Drone Autonomy>
+<Payload Integration, connectedTo, Endurance Optimization>
+<Payload Integration, connectedTo, Ground Control Station Development>
+<Precision Agriculture, connectedTo, Endurance Optimization>
+<Precision Agriculture, partOf, Mapping and Surveying>
+<Propulsion System Development, applies, Counter_Drone Systems>
+<Swarm Robotics for Drones, connectedTo, Flight Planning Software>
+<Swarm Robotics for Drones, partOf, Videography>
diff --git a/test/plantuml/graph_hard/plantuml_267.puml b/test/plantuml/graph_hard/plantuml_267.puml
new file mode 100644
index 0000000000000000000000000000000000000000..72ee5ed7b334ffb038b6593d8bb5a553fa525cd5
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_267.puml
@@ -0,0 +1,77 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Drone Delivery Logistics" as Group0 #E0F2F1 {
+    rectangle "Precision Agriculture" as nest0_0 #E0F7FA
+    node "Endurance Optimization" as nest0_1 #F3E5F5
+    artifact "Swarm Robotics for Drones" as nest0_2 #F5F5F5
+    folder "Environmental Monitoring" as nest0_3 #F3E5F5
+}
+rectangle "Autonomous Flight" as Group1 #FFF3E0 {
+    frame "Aerial Photography" as nest1_0 #F3E5F5
+    usecase "Ethical Drone Use" as nest1_1 #E0F7FA
+    usecase "Battery Management System" as nest1_2 #E0F7FA
+}
+cloud "Drone Regulations Compliance" as N0 #E0F7FA
+component "Thermal Imaging with Drones" as N1 #F3E5F5
+frame "Mapping and Surveying" as N2 #F3E5F5
+node "Drone Maintenance" as N3 #F5F5F5
+cloud "Flight Planning Software" as N4 #F5F5F5
+database "Videography" as N5 #F3E5F5
+folder "Inspection" as N6 #F3E5F5
+frame "AI for Drone Autonomy" as N7 #F3E5F5
+artifact "Airspace Management for Drones" as N8 #F5F5F5
+component "Navigation System" as N9 #F3E5F5
+usecase "Collision Avoidance Systems" as N10 #E0F7FA
+artifact "3D Modeling from Drone Data" as N11 #F5F5F5
+usecase "Delivery Services" as N12 #F5F5F5
+rectangle "Urban Air Mobility Planning" as N13 #F3E5F5
+node "Flight Control System" as N14 #F3E5F5
+database "Propeller Design" as N15 #F3E5F5
+circle " " as S0 #F3E5F5
+circle " " as S1 #E0F7FA
+circle " " as M0 #E0F7FA
+circle " " as M1 #F5F5F5
+N0 -[#000000]-> N1
+N1 -[#000000]-> N2
+N2 ..[#00BCD4]..> N3
+N3 -[#BDBDBD]-> N4
+N4 -[#BA68C8]-> N5
+N5 -[#BDBDBD]-> N6
+N6 ..[#00BCD4]..> N7
+N7 -[#000000]-> N8
+N8 -[#000000]-> N9
+N9 -[#00BCD4]-> N10
+N10 ..[#000000]..> N11
+N11 -[#BDBDBD]-> N12
+N12 ..[#00BCD4]..> N13
+N13 -[#00BCD4]-> N14
+N14 ..[#BA68C8]..> N15
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 ..[#BDBDBD]..> nest0_2
+nest0_2 ..[#BDBDBD]..> nest0_3
+N4 ..[#BDBDBD]..> nest0_0
+nest0_3 -[#00BCD4]-> N11
+nest1_0 -[#BA68C8]-> nest1_1
+nest1_1 ..[#000000]..> nest1_2
+N1 ..[#BA68C8]..> nest1_0
+nest1_2 ..[#000000]..> N6
+N7 -[#000000]-> S0
+S0 ..[#000000]..> N11
+S0 ..[#BDBDBD]..> N9
+S0 -[#BDBDBD]-> N10
+N5 ..[#BA68C8]..> S1
+S1 -[#00BCD4]-> N10
+S1 ..[#BA68C8]..> N15
+S1 ..[#000000]..> N9
+S1 -[#BDBDBD]-> N14 : manufactures
+N2 ..[#00BCD4]..> M0
+N1 -[#000000]-> M0
+N8 -[#000000]-> M0
+M0 -[#BDBDBD]-> N14
+N2 ..[#000000]..> M1 : controls
+N4 ..[#00BCD4]..> M1
+N1 ..[#BDBDBD]..> M1
+M1 -[#BA68C8]-> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_267.txt b/test/plantuml/graph_hard/plantuml_267.txt
new file mode 100644
index 0000000000000000000000000000000000000000..24e636b421a697e617dd395cc406a649e810ce10
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_267.txt
@@ -0,0 +1,44 @@
+<3D Modeling from Drone Data, connectedTo, Delivery Services>
+<AI for Drone Autonomy, connectedTo, 3D Modeling from Drone Data>
+<AI for Drone Autonomy, connectedTo, Airspace Management for Drones>
+<AI for Drone Autonomy, connectedTo, Collision Avoidance Systems>
+<AI for Drone Autonomy, connectedTo, Navigation System>
+<Aerial Photography, connectedTo, Ethical Drone Use>
+<Aerial Photography, partOf, Autonomous Flight>
+<Airspace Management for Drones, connectedTo, Flight Control System>
+<Airspace Management for Drones, connectedTo, Navigation System>
+<Battery Management System, connectedTo, Inspection>
+<Battery Management System, partOf, Autonomous Flight>
+<Collision Avoidance Systems, connectedTo, 3D Modeling from Drone Data>
+<Delivery Services, connectedTo, Urban Air Mobility Planning>
+<Drone Maintenance, connectedTo, Flight Planning Software>
+<Drone Regulations Compliance, connectedTo, Thermal Imaging with Drones>
+<Endurance Optimization, connectedTo, Swarm Robotics for Drones>
+<Endurance Optimization, partOf, Drone Delivery Logistics>
+<Environmental Monitoring, connectedTo, 3D Modeling from Drone Data>
+<Environmental Monitoring, partOf, Drone Delivery Logistics>
+<Ethical Drone Use, connectedTo, Battery Management System>
+<Ethical Drone Use, partOf, Autonomous Flight>
+<Flight Control System, connectedTo, Propeller Design>
+<Flight Planning Software, connectedTo, AI for Drone Autonomy>
+<Flight Planning Software, connectedTo, Precision Agriculture>
+<Flight Planning Software, connectedTo, Videography>
+<Inspection, connectedTo, AI for Drone Autonomy>
+<Mapping and Surveying, connectedTo, Drone Maintenance>
+<Mapping and Surveying, connectedTo, Flight Control System>
+<Mapping and Surveying, controls, AI for Drone Autonomy>
+<Navigation System, connectedTo, Collision Avoidance Systems>
+<Precision Agriculture, connectedTo, Endurance Optimization>
+<Precision Agriculture, partOf, Drone Delivery Logistics>
+<Swarm Robotics for Drones, connectedTo, Environmental Monitoring>
+<Swarm Robotics for Drones, partOf, Drone Delivery Logistics>
+<Thermal Imaging with Drones, connectedTo, AI for Drone Autonomy>
+<Thermal Imaging with Drones, connectedTo, Aerial Photography>
+<Thermal Imaging with Drones, connectedTo, Flight Control System>
+<Thermal Imaging with Drones, connectedTo, Mapping and Surveying>
+<Urban Air Mobility Planning, connectedTo, Flight Control System>
+<Videography, connectedTo, Collision Avoidance Systems>
+<Videography, connectedTo, Inspection>
+<Videography, connectedTo, Navigation System>
+<Videography, connectedTo, Propeller Design>
+<Videography, manufactures, Flight Control System>
diff --git a/test/plantuml/graph_hard/plantuml_268.puml b/test/plantuml/graph_hard/plantuml_268.puml
new file mode 100644
index 0000000000000000000000000000000000000000..aabf4330d6c028584023dc4f5cdfbc1c06888373
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_268.puml
@@ -0,0 +1,76 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Path Planning" as Group0 #F1F8E9 {
+    artifact "Battery Management for EVs" as nest0_0 #C8E6C9
+    folder "Public Acceptance and Trust" as nest0_1 #F0F0F0
+}
+rectangle "Driver Monitoring Systems" as Group1 #E0F2F1 {
+    component "Sensor Integration" as nest1_0 #C8E6C9
+    database "Hardware Design" as nest1_1 #F6F6F6
+    artifact "Localization and Mapping" as nest1_2 #C8E6C9
+    database "Pedestrian Detection" as nest1_3 #C8E6C9
+}
+database "Regulatory Compliance" as N0 #F0F0F0
+component "Data Collection and Annotation" as N1 #F6F6F6
+folder "Simulation Environment Development" as N2 #F6F6F6
+folder "Adaptive Cruise Control" as N3 #C8E6C9
+component "Simulation and Testing" as N4 #F0F0F0
+cloud "Redundancy in Sensors" as N5 #F0F0F0
+node "Fail_Safe Systems" as N6 #C8E6C9
+node "Map Data Management" as N7 #F0F0F0
+component "Cybersecurity for AVs" as N8 #F0F0F0
+usecase "Vehicle_to_Vehicle Communication" as N9 #F6F6F6
+component "Object Detection and Classification" as N10 #C8E6C9
+node "Insurance Models for AVs" as N11 #F6F6F6
+component "Accident Reconstruction for AVs" as N12 #F6F6F6
+circle " " as S0 #F6F6F6
+circle " " as S1 #F0F0F0
+circle " " as S2 #F0F0F0
+circle " " as M0 #C8E6C9
+circle " " as M1 #C8E6C9
+circle " " as M2 #F0F0F0
+N0 -[#388E3C]-> N1
+N1 -[#CFCFCF]-> N2
+N2 ..[#388E3C]..> N3
+N3 ..[#D2D2D2]..> N4 : tests
+N4 -[#D2D2D2]-> N5
+N5 -[#CFCFCF]-> N6
+N6 -[#388E3C]-> N7
+N7 -[#388E3C]-> N8
+N8 ..[#388E3C]..> N9
+N9 ..[#388E3C]..> N10
+N10 -[#000000]-> N11
+N11 ..[#000000]..> N12
+nest0_0 -[#388E3C]-> nest0_1
+N1 ..[#388E3C]..> nest0_0
+nest0_1 ..[#D2D2D2]..> N6
+nest1_0 -[#388E3C]-> nest1_1
+nest1_1 ..[#CFCFCF]..> nest1_2
+nest1_2 -[#D2D2D2]-> nest1_3
+N8 -[#D2D2D2]-> nest1_0
+nest1_3 ..[#CFCFCF]..> N8
+N0 ..[#388E3C]..> S0
+S0 -[#388E3C]-> N8
+S0 -[#D2D2D2]-> N6
+S0 ..[#CFCFCF]..> N3
+N7 -[#388E3C]-> S1
+S1 -[#CFCFCF]-> N11
+S1 ..[#388E3C]..> N12
+N5 -[#D2D2D2]-> S2
+S2 -[#388E3C]-> N7
+S2 ..[#CFCFCF]..> N10
+N5 ..[#CFCFCF]..> M0
+N0 ..[#D2D2D2]..> M0
+N2 -[#000000]-> M0
+M0 ..[#D2D2D2]..> N7
+N0 -[#388E3C]-> M1
+N1 -[#000000]-> M1
+N2 ..[#D2D2D2]..> M1 : drives
+M1 -[#D2D2D2]-> N4
+N2 ..[#000000]..> M2
+N5 -[#CFCFCF]-> M2
+N0 -[#D2D2D2]-> M2
+M2 ..[#000000]..> N12
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_268.txt b/test/plantuml/graph_hard/plantuml_268.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1f3d14c11abb3909cb670d954b8378f24bdf7d0a
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_268.txt
@@ -0,0 +1,41 @@
+<Adaptive Cruise Control, tests, Simulation and Testing>
+<Battery Management for EVs, connectedTo, Public Acceptance and Trust>
+<Battery Management for EVs, partOf, Path Planning>
+<Cybersecurity for AVs, connectedTo, Sensor Integration>
+<Cybersecurity for AVs, connectedTo, Vehicle_to_Vehicle Communication>
+<Data Collection and Annotation, connectedTo, Battery Management for EVs>
+<Data Collection and Annotation, connectedTo, Simulation Environment Development>
+<Data Collection and Annotation, connectedTo, Simulation and Testing>
+<Fail_Safe Systems, connectedTo, Map Data Management>
+<Hardware Design, connectedTo, Localization and Mapping>
+<Hardware Design, partOf, Driver Monitoring Systems>
+<Insurance Models for AVs, connectedTo, Accident Reconstruction for AVs>
+<Localization and Mapping, connectedTo, Pedestrian Detection>
+<Localization and Mapping, partOf, Driver Monitoring Systems>
+<Map Data Management, connectedTo, Accident Reconstruction for AVs>
+<Map Data Management, connectedTo, Cybersecurity for AVs>
+<Map Data Management, connectedTo, Insurance Models for AVs>
+<Object Detection and Classification, connectedTo, Insurance Models for AVs>
+<Pedestrian Detection, connectedTo, Cybersecurity for AVs>
+<Pedestrian Detection, partOf, Driver Monitoring Systems>
+<Public Acceptance and Trust, connectedTo, Fail_Safe Systems>
+<Public Acceptance and Trust, partOf, Path Planning>
+<Redundancy in Sensors, connectedTo, Accident Reconstruction for AVs>
+<Redundancy in Sensors, connectedTo, Fail_Safe Systems>
+<Redundancy in Sensors, connectedTo, Map Data Management>
+<Redundancy in Sensors, connectedTo, Object Detection and Classification>
+<Regulatory Compliance, connectedTo, Accident Reconstruction for AVs>
+<Regulatory Compliance, connectedTo, Adaptive Cruise Control>
+<Regulatory Compliance, connectedTo, Cybersecurity for AVs>
+<Regulatory Compliance, connectedTo, Data Collection and Annotation>
+<Regulatory Compliance, connectedTo, Fail_Safe Systems>
+<Regulatory Compliance, connectedTo, Map Data Management>
+<Regulatory Compliance, connectedTo, Simulation and Testing>
+<Sensor Integration, connectedTo, Hardware Design>
+<Sensor Integration, partOf, Driver Monitoring Systems>
+<Simulation Environment Development, connectedTo, Accident Reconstruction for AVs>
+<Simulation Environment Development, connectedTo, Adaptive Cruise Control>
+<Simulation Environment Development, connectedTo, Map Data Management>
+<Simulation Environment Development, drives, Simulation and Testing>
+<Simulation and Testing, connectedTo, Redundancy in Sensors>
+<Vehicle_to_Vehicle Communication, connectedTo, Object Detection and Classification>
diff --git a/test/plantuml/graph_hard/plantuml_269.puml b/test/plantuml/graph_hard/plantuml_269.puml
new file mode 100644
index 0000000000000000000000000000000000000000..a4080a6b9f0ce85550de7f468128feda199a8aa3
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_269.puml
@@ -0,0 +1,68 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Object Detection and Classification" as Group0 #E3F2FD {
+    cloud "Motion Control" as nest0_0 #D6D9F0
+    folder "Perception System" as nest0_1 #D6D9F0
+}
+rectangle "Remote Operation Capability" as Group1 #E0F2F1 {
+    folder "Map Data Management" as nest1_0 #EDE7F6
+    folder "Redundancy in Sensors" as nest1_1 #D6D9F0
+    component "Ethical Decision_Making" as nest1_2 #EDE7F6
+}
+rectangle "Localization and Mapping" as N0 #EDE7F6
+artifact "Adaptive Cruise Control" as N1 #EDE7F6
+rectangle "Software Development" as N2 #D6D9F0
+folder "Cybersecurity for AVs" as N3 #F0F0F0
+cloud "Public Acceptance and Trust" as N4 #F0F0F0
+rectangle "Automatic Emergency Braking" as N5 #D6D9F0
+folder "Traffic Sign Recognition" as N6 #EDE7F6
+rectangle "Data Collection and Annotation" as N7 #F0F0F0
+rectangle "Edge Computing for AVs" as N8 #EDE7F6
+folder "Human_Machine Interface" as N9 #F0F0F0
+usecase "Simulation Environment Development" as N10 #F0F0F0
+folder "Path Planning" as N11 #D6D9F0
+circle " " as S0 #D6D9F0
+circle " " as S1 #D6D9F0
+circle " " as S2 #F0F0F0
+circle " " as M0 #D6D9F0
+circle " " as M2 #D6D9F0
+N0 -[#9FA9E1]-> N1
+N1 ..[#9FA9E1]..> N2
+N2 ..[#D2D2D2]..> N3
+N3 -[#000000]-> N4
+N4 ..[#D2D2D2]..> N5
+N5 -[#9FA9E1]-> N6
+N6 ..[#D2D2D2]..> N7
+N7 ..[#D2D2D2]..> N8
+N8 ..[#9575CD]..> N9
+N9 -[#000000]-> N10
+N10 -[#9FA9E1]-> N11
+nest0_0 -[#9575CD]-> nest0_1
+N6 ..[#D2D2D2]..> nest0_0
+nest0_1 -[#000000]-> N3
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 -[#000000]-> nest1_2
+N6 -[#000000]-> nest1_0
+nest1_2 -[#000000]-> N8
+N8 -[#9575CD]-> S0
+S0 -[#D2D2D2]-> N10
+S0 -[#000000]-> N11
+N2 -[#9575CD]-> S1
+S1 -[#9FA9E1]-> N8
+S1 ..[#000000]..> N6
+N3 ..[#D2D2D2]..> S2
+S2 -[#D2D2D2]-> N10
+S2 ..[#9FA9E1]..> N8 : senses
+S2 ..[#000000]..> N6
+N2 -[#9575CD]-> M0
+N4 -[#9575CD]-> M0
+N3 ..[#D2D2D2]..> M0
+N0 -[#9FA9E1]-> M0
+M0 -[#9575CD]-> N6
+N4 ..[#000000]..> M2
+N5 ..[#000000]..> M2
+N2 -[#D2D2D2]-> M2
+M2 ..[#D2D2D2]..> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_269.txt b/test/plantuml/graph_hard/plantuml_269.txt
new file mode 100644
index 0000000000000000000000000000000000000000..529c37f748b619e156d8e623f58803fbfcf47d18
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_269.txt
@@ -0,0 +1,35 @@
+<Adaptive Cruise Control, connectedTo, Software Development>
+<Automatic Emergency Braking, connectedTo, Data Collection and Annotation>
+<Automatic Emergency Braking, connectedTo, Traffic Sign Recognition>
+<Cybersecurity for AVs, connectedTo, Public Acceptance and Trust>
+<Cybersecurity for AVs, connectedTo, Simulation Environment Development>
+<Cybersecurity for AVs, connectedTo, Traffic Sign Recognition>
+<Cybersecurity for AVs, senses, Edge Computing for AVs>
+<Data Collection and Annotation, connectedTo, Edge Computing for AVs>
+<Edge Computing for AVs, connectedTo, Human_Machine Interface>
+<Edge Computing for AVs, connectedTo, Path Planning>
+<Edge Computing for AVs, connectedTo, Simulation Environment Development>
+<Ethical Decision_Making, connectedTo, Edge Computing for AVs>
+<Ethical Decision_Making, partOf, Remote Operation Capability>
+<Human_Machine Interface, connectedTo, Simulation Environment Development>
+<Localization and Mapping, connectedTo, Adaptive Cruise Control>
+<Localization and Mapping, connectedTo, Traffic Sign Recognition>
+<Map Data Management, connectedTo, Redundancy in Sensors>
+<Map Data Management, partOf, Remote Operation Capability>
+<Motion Control, connectedTo, Perception System>
+<Motion Control, partOf, Object Detection and Classification>
+<Perception System, connectedTo, Cybersecurity for AVs>
+<Perception System, partOf, Object Detection and Classification>
+<Public Acceptance and Trust, connectedTo, Automatic Emergency Braking>
+<Public Acceptance and Trust, connectedTo, Data Collection and Annotation>
+<Public Acceptance and Trust, connectedTo, Traffic Sign Recognition>
+<Redundancy in Sensors, connectedTo, Ethical Decision_Making>
+<Redundancy in Sensors, partOf, Remote Operation Capability>
+<Simulation Environment Development, connectedTo, Path Planning>
+<Software Development, connectedTo, Cybersecurity for AVs>
+<Software Development, connectedTo, Data Collection and Annotation>
+<Software Development, connectedTo, Edge Computing for AVs>
+<Software Development, connectedTo, Traffic Sign Recognition>
+<Traffic Sign Recognition, connectedTo, Data Collection and Annotation>
+<Traffic Sign Recognition, connectedTo, Map Data Management>
+<Traffic Sign Recognition, connectedTo, Motion Control>
diff --git a/test/plantuml/graph_hard/plantuml_27.puml b/test/plantuml/graph_hard/plantuml_27.puml
new file mode 100644
index 0000000000000000000000000000000000000000..2115578004bcbfc480d616c97b82ebc743539e7c
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_27.puml
@@ -0,0 +1,63 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Freight Booking" as Group0 #EDE7F6 {
+    cloud "Last_mile Dispatch" as nest0_0 #F0F4C3
+    folder "Cold Chain Management" as nest0_1 #E6EE9C
+}
+rectangle "Damage Reporting" as Group1 #E3F2FD {
+    database "Customs Declaration" as nest1_0 #F0F4C3
+    component "Rail Transport Coordination" as nest1_1 #C9EFEC
+}
+rectangle "Carrier Selection" as N0 #C9EFEC
+artifact "Packing Process" as N1 #C9EFEC
+component "Customs Clearance" as N2 #E6EE9C
+folder "Container Loading" as N3 #F0F4C3
+node "Delay Notification" as N4 #E6EE9C
+frame "Cross_docking" as N5 #F0F4C3
+rectangle "Inventory Sync" as N6 #F0F4C3
+rectangle "Demand Forecasting Integration" as N7 #F0F4C3
+database "Pallet Stacking" as N8 #F0F4C3
+node "Invoice Matching" as N9 #C9EFEC
+database "Air Cargo Handling" as N10 #F0F4C3
+component "Fleet Maintenance Scheduling" as N11 #F0F4C3
+circle " " as S0 #C9EFEC
+circle " " as S1 #F0F4C3
+circle " " as S2 #C9EFEC
+circle " " as M0 #F0F4C3
+N0 -[#000000]-> N1
+N1 -[#000000]-> N2
+N2 -[#6FE1D5]-> N3
+N3 -[#CDDC39]-> N4
+N4 -[#CDDC39]-> N5
+N5 -[#6FE1D5]-> N6
+N6 ..[#CDDC39]..> N7
+N7 -[#AED581]-> N8
+N8 -[#000000]-> N9
+N9 ..[#AED581]..> N10
+N10 -[#CDDC39]-> N11
+nest0_0 ..[#000000]..> nest0_1
+N9 ..[#CDDC39]..> nest0_0
+nest0_1 -[#6FE1D5]-> N8
+nest1_0 -[#000000]-> nest1_1
+N3 ..[#6FE1D5]..> nest1_0
+nest1_1 ..[#000000]..> N6
+N1 ..[#AED581]..> S0
+S0 ..[#000000]..> N3
+S0 -[#000000]-> N10 : weighs
+S0 ..[#000000]..> N8
+N0 ..[#000000]..> S1
+S1 -[#AED581]-> N11
+S1 ..[#AED581]..> N5 : reports
+S1 -[#CDDC39]-> N6
+S1 -[#6FE1D5]-> N3
+N7 -[#AED581]-> S2
+S2 ..[#CDDC39]..> N11
+S2 -[#000000]-> N10
+N8 ..[#6FE1D5]..> M0
+N6 ..[#6FE1D5]..> M0
+N5 -[#6FE1D5]-> M0
+N0 ..[#6FE1D5]..> M0
+M0 ..[#000000]..> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_270.puml b/test/plantuml/graph_hard/plantuml_270.puml
new file mode 100644
index 0000000000000000000000000000000000000000..5b58c63b37366a3f30cb96e1bed34f6487e6c1a9
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_270.puml
@@ -0,0 +1,62 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Automatic Emergency Braking" as Group0 #EDE7F6 {
+    node "Charging Infrastructure" as nest0_0 #B2EBF2
+    artifact "Fleet Management" as nest0_1 #B2EBF2
+    component "Remote Operation Capability" as nest0_2 #F0F0F0
+    rectangle "Simulation Environment Development" as nest0_3 #F0F0F0
+}
+rectangle "Vehicle_to_Vehicle Communication" as Group1 #FCE4EC {
+    cloud "Localization and Mapping" as nest1_0 #F0F0F0
+    usecase "Adaptive Cruise Control" as nest1_1 #B2EBF2
+}
+folder "Public Acceptance and Trust" as N0 #F0F0F0
+cloud "Perception System" as N1 #FFCDD2
+component "Accident Reconstruction for AVs" as N2 #FFCDD2
+component "Data Collection and Annotation" as N3 #F0F0F0
+folder "Cloud Connectivity for AVs" as N4 #B2EBF2
+database "Cybersecurity for AVs" as N5 #FFCDD2
+frame "Fail_Safe Systems" as N6 #B2EBF2
+node "Battery Management for EVs" as N7 #B2EBF2
+cloud "Hardware Design" as N8 #FFCDD2
+rectangle "Predictive Maintenance" as N9 #F0F0F0
+node "Simulation and Testing" as N10 #F0F0F0
+cloud "Motion Control" as N11 #B2EBF2
+circle " " as S0 #B2EBF2
+circle " " as S1 #B2EBF2
+circle " " as M0 #F0F0F0
+N0 -[#00BCD4]-> N1
+N1 ..[#D2D2D2]..> N2
+N2 ..[#00BCD4]..> N3
+N3 -[#D2D2D2]-> N4
+N4 ..[#F44336]..> N5
+N5 -[#D2D2D2]-> N6
+N6 ..[#00BCD4]..> N7
+N7 ..[#F44336]..> N8
+N8 -[#00BCD4]-> N9
+N9 -[#000000]-> N10
+N10 -[#D2D2D2]-> N11
+nest0_0 -[#F44336]-> nest0_1
+nest0_1 -[#D2D2D2]-> nest0_2 : charges
+nest0_2 -[#00BCD4]-> nest0_3
+N4 -[#D2D2D2]-> nest0_0 : tests
+nest0_3 -[#000000]-> N5 : alerts
+nest1_0 ..[#D2D2D2]..> nest1_1
+N3 -[#000000]-> nest1_0
+nest1_1 -[#000000]-> N11
+N0 -[#000000]-> S0
+S0 ..[#00BCD4]..> N2
+S0 ..[#F44336]..> N11 : updates
+S0 -[#00BCD4]-> N7
+S0 ..[#D2D2D2]..> N3
+N5 ..[#000000]..> S1
+S1 -[#00BCD4]-> N7
+S1 -[#F44336]-> N9
+N0 ..[#00BCD4]..> M0
+N1 ..[#F44336]..> M0
+N5 ..[#00BCD4]..> M0
+N2 ..[#000000]..> M0
+M0 ..[#F44336]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_270.txt b/test/plantuml/graph_hard/plantuml_270.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6d9ce5826ea2f73b652d3650adb60751dd637d60
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_270.txt
@@ -0,0 +1,35 @@
+<Accident Reconstruction for AVs, connectedTo, Data Collection and Annotation>
+<Accident Reconstruction for AVs, connectedTo, Hardware Design>
+<Adaptive Cruise Control, connectedTo, Motion Control>
+<Adaptive Cruise Control, partOf, Vehicle_to_Vehicle Communication>
+<Battery Management for EVs, connectedTo, Hardware Design>
+<Charging Infrastructure, connectedTo, Fleet Management>
+<Charging Infrastructure, partOf, Automatic Emergency Braking>
+<Cloud Connectivity for AVs, connectedTo, Cybersecurity for AVs>
+<Cloud Connectivity for AVs, tests, Charging Infrastructure>
+<Cybersecurity for AVs, connectedTo, Battery Management for EVs>
+<Cybersecurity for AVs, connectedTo, Fail_Safe Systems>
+<Cybersecurity for AVs, connectedTo, Hardware Design>
+<Cybersecurity for AVs, connectedTo, Predictive Maintenance>
+<Data Collection and Annotation, connectedTo, Cloud Connectivity for AVs>
+<Data Collection and Annotation, connectedTo, Localization and Mapping>
+<Fail_Safe Systems, connectedTo, Battery Management for EVs>
+<Fleet Management, charges, Remote Operation Capability>
+<Fleet Management, partOf, Automatic Emergency Braking>
+<Hardware Design, connectedTo, Predictive Maintenance>
+<Localization and Mapping, connectedTo, Adaptive Cruise Control>
+<Localization and Mapping, partOf, Vehicle_to_Vehicle Communication>
+<Perception System, connectedTo, Accident Reconstruction for AVs>
+<Perception System, connectedTo, Hardware Design>
+<Predictive Maintenance, connectedTo, Simulation and Testing>
+<Public Acceptance and Trust, connectedTo, Accident Reconstruction for AVs>
+<Public Acceptance and Trust, connectedTo, Battery Management for EVs>
+<Public Acceptance and Trust, connectedTo, Data Collection and Annotation>
+<Public Acceptance and Trust, connectedTo, Hardware Design>
+<Public Acceptance and Trust, connectedTo, Perception System>
+<Public Acceptance and Trust, updates, Motion Control>
+<Remote Operation Capability, connectedTo, Simulation Environment Development>
+<Remote Operation Capability, partOf, Automatic Emergency Braking>
+<Simulation Environment Development, alerts, Cybersecurity for AVs>
+<Simulation Environment Development, partOf, Automatic Emergency Braking>
+<Simulation and Testing, connectedTo, Motion Control>
diff --git a/test/plantuml/graph_hard/plantuml_271.puml b/test/plantuml/graph_hard/plantuml_271.puml
new file mode 100644
index 0000000000000000000000000000000000000000..dafce3484d7c8e0c92d595e76f5146102de09785
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_271.puml
@@ -0,0 +1,80 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Geofencing for Operations" as Group0 #F1F8E9 {
+    artifact "User Rating and Feedback Systems" as nest0_0 #F1F8FF
+    cloud "Driver Management" as nest0_1 #CADEDE
+}
+rectangle "Ticketing and Fare Collection" as Group1 #FFF3E0 {
+    rectangle "Vehicle Booking" as nest1_0 #EDF5F3
+    rectangle "Dynamic Pricing" as nest1_1 #F1F8FF
+}
+component "Accessibility for Users" as N0 #F1F8FF
+rectangle "Micro_mobility Management" as N1 #EDF5F3
+component "Subscription Model Management" as N2 #CADEDE
+folder "Public_Private Partnerships" as N3 #EDF5F3
+component "Autonomous Shared Vehicles" as N4 #CADEDE
+usecase "Payment Processing" as N5 #CADEDE
+cloud "Fleet Management" as N6 #F1F8FF
+usecase "Charging or Refueling Logistics" as N7 #F1F8FF
+folder "Public Transit Integration" as N8 #CADEDE
+cloud "Policy Advocacy for Shared Mobility" as N9 #F1F8FF
+frame "Passenger Safety Protocols" as N10 #F1F8FF
+artifact "Smart City Integration" as N11 #CADEDE
+component "Bike_sharing Services" as N12 #F1F8FF
+folder "Car_sharing Services" as N13 #F1F8FF
+component "First_Mile or Last_Mile Solutions" as N14 #CADEDE
+folder "Carbon Emission Tracking" as N15 #CADEDE
+circle " " as S0 #CADEDE
+circle " " as S1 #F1F8FF
+circle " " as S2 #EDF5F3
+circle " " as M0 #EDF5F3
+circle " " as M1 #CADEDE
+circle " " as M2 #EDF5F3
+N0 -[#A1D7CD]-> N1 : routes
+N1 ..[#94C0C0]..> N2
+N2 ..[#42A5F5]..> N3
+N3 -[#A1D7CD]-> N4
+N4 -[#94C0C0]-> N5
+N5 ..[#42A5F5]..> N6
+N6 ..[#000000]..> N7
+N7 -[#000000]-> N8
+N8 -[#42A5F5]-> N9
+N9 ..[#A1D7CD]..> N10
+N10 -[#42A5F5]-> N11
+N11 ..[#42A5F5]..> N12
+N12 ..[#A1D7CD]..> N13
+N13 -[#94C0C0]-> N14
+N14 ..[#42A5F5]..> N15
+nest0_0 -[#000000]-> nest0_1
+N3 -[#A1D7CD]-> nest0_0
+nest0_1 -[#42A5F5]-> N3
+nest1_0 ..[#94C0C0]..> nest1_1
+N7 -[#A1D7CD]-> nest1_0
+nest1_1 -[#94C0C0]-> N15
+N10 ..[#42A5F5]..> S0
+S0 -[#000000]-> N14
+S0 ..[#42A5F5]..> N13
+N4 -[#000000]-> S1
+S1 ..[#94C0C0]..> N13
+S1 -[#A1D7CD]-> N8
+N6 ..[#42A5F5]..> S2
+S2 -[#000000]-> N9
+S2 -[#A1D7CD]-> N12
+S2 -[#A1D7CD]-> N11
+S2 -[#94C0C0]-> N8
+N4 -[#A1D7CD]-> M0
+N3 ..[#94C0C0]..> M0
+N2 ..[#A1D7CD]..> M0
+N1 ..[#000000]..> M0
+M0 ..[#94C0C0]..> N6
+N2 ..[#000000]..> M1
+N3 -[#94C0C0]-> M1
+N4 -[#A1D7CD]-> M1
+M1 -[#94C0C0]-> N8
+N1 ..[#000000]..> M2
+N5 -[#A1D7CD]-> M2
+N0 -[#000000]-> M2
+M2 -[#000000]-> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_271.txt b/test/plantuml/graph_hard/plantuml_271.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6768a05be01dcd618efa67597811b5ccc1ae0823
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_271.txt
@@ -0,0 +1,42 @@
+<Accessibility for Users, connectedTo, Charging or Refueling Logistics>
+<Accessibility for Users, routes, Micro_mobility Management>
+<Autonomous Shared Vehicles, connectedTo, Car_sharing Services>
+<Autonomous Shared Vehicles, connectedTo, Fleet Management>
+<Autonomous Shared Vehicles, connectedTo, Payment Processing>
+<Autonomous Shared Vehicles, connectedTo, Public Transit Integration>
+<Bike_sharing Services, connectedTo, Car_sharing Services>
+<Car_sharing Services, connectedTo, First_Mile or Last_Mile Solutions>
+<Charging or Refueling Logistics, connectedTo, Public Transit Integration>
+<Charging or Refueling Logistics, connectedTo, Vehicle Booking>
+<Driver Management, connectedTo, Public_Private Partnerships>
+<Driver Management, partOf, Geofencing for Operations>
+<Dynamic Pricing, connectedTo, Carbon Emission Tracking>
+<Dynamic Pricing, partOf, Ticketing and Fare Collection>
+<First_Mile or Last_Mile Solutions, connectedTo, Carbon Emission Tracking>
+<Fleet Management, connectedTo, Bike_sharing Services>
+<Fleet Management, connectedTo, Charging or Refueling Logistics>
+<Fleet Management, connectedTo, Policy Advocacy for Shared Mobility>
+<Fleet Management, connectedTo, Public Transit Integration>
+<Fleet Management, connectedTo, Smart City Integration>
+<Micro_mobility Management, connectedTo, Charging or Refueling Logistics>
+<Micro_mobility Management, connectedTo, Fleet Management>
+<Micro_mobility Management, connectedTo, Subscription Model Management>
+<Passenger Safety Protocols, connectedTo, Car_sharing Services>
+<Passenger Safety Protocols, connectedTo, First_Mile or Last_Mile Solutions>
+<Passenger Safety Protocols, connectedTo, Smart City Integration>
+<Payment Processing, connectedTo, Charging or Refueling Logistics>
+<Payment Processing, connectedTo, Fleet Management>
+<Policy Advocacy for Shared Mobility, connectedTo, Passenger Safety Protocols>
+<Public Transit Integration, connectedTo, Policy Advocacy for Shared Mobility>
+<Public_Private Partnerships, connectedTo, Autonomous Shared Vehicles>
+<Public_Private Partnerships, connectedTo, Fleet Management>
+<Public_Private Partnerships, connectedTo, Public Transit Integration>
+<Public_Private Partnerships, connectedTo, User Rating and Feedback Systems>
+<Smart City Integration, connectedTo, Bike_sharing Services>
+<Subscription Model Management, connectedTo, Fleet Management>
+<Subscription Model Management, connectedTo, Public Transit Integration>
+<Subscription Model Management, connectedTo, Public_Private Partnerships>
+<User Rating and Feedback Systems, connectedTo, Driver Management>
+<User Rating and Feedback Systems, partOf, Geofencing for Operations>
+<Vehicle Booking, connectedTo, Dynamic Pricing>
+<Vehicle Booking, partOf, Ticketing and Fare Collection>
diff --git a/test/plantuml/graph_hard/plantuml_272.puml b/test/plantuml/graph_hard/plantuml_272.puml
new file mode 100644
index 0000000000000000000000000000000000000000..39bdba8f7855a064884cf32e531b93279719a41d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_272.puml
@@ -0,0 +1,70 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Ride_sharing Services" as Group0 #FCE4EC {
+    component "Geofencing for Operations" as nest0_0 #C8E6C9
+    component "Demand Prediction" as nest0_1 #D1C4E9
+    node "User Registration" as nest0_2 #D1C4E9
+}
+rectangle "Vehicle Booking" as Group1 #F3E5F5 {
+    rectangle "First_Mile or Last_Mile Solutions" as nest1_0 #D1C4E9
+    folder "User Rating and Feedback Systems" as nest1_1 #F5F5F5
+    database "User Onboarding" as nest1_2 #D1C4E9
+}
+usecase "Charging or Refueling Logistics" as N0 #D1C4E9
+folder "Smart City Integration" as N1 #C8E6C9
+rectangle "Subscription Model Management" as N2 #C8E6C9
+rectangle "Autonomous Shared Vehicles" as N3 #D1C4E9
+artifact "Fraud Prevention" as N4 #C8E6C9
+cloud "Passenger Safety Protocols" as N5 #F5F5F5
+component "Vehicle Location Tracking" as N6 #D1C4E9
+rectangle "Accessibility for Users" as N7 #F5F5F5
+usecase "Route Optimization" as N8 #C8E6C9
+cloud "Maintenance Scheduling" as N9 #C8E6C9
+frame "Ticketing and Fare Collection" as N10 #C8E6C9
+usecase "Public_Private Partnerships" as N11 #D1C4E9
+artifact "Carbon Emission Tracking" as N12 #D1C4E9
+node "Data Analytics for Usage Patterns" as N13 #F5F5F5
+component "Public Transit Integration" as N14 #C8E6C9
+component "Customer Support" as N15 #C8E6C9
+node "Dynamic Pricing" as N16 #C8E6C9
+circle " " as S0 #D1C4E9
+circle " " as M0 #C8E6C9
+circle " " as M1 #D1C4E9
+N0 ..[#BDBDBD]..> N1
+N1 ..[#000000]..> N2
+N2 -[#388E3C]-> N3
+N3 ..[#000000]..> N4
+N4 -[#BDBDBD]-> N5 : educates
+N5 -[#BDBDBD]-> N6
+N6 ..[#388E3C]..> N7
+N7 -[#000000]-> N8 : partners
+N8 ..[#388E3C]..> N9
+N9 ..[#673AB7]..> N10
+N10 ..[#673AB7]..> N11
+N11 -[#673AB7]-> N12
+N12 -[#BDBDBD]-> N13
+N13 -[#BDBDBD]-> N14
+N14 ..[#388E3C]..> N15
+N15 -[#BDBDBD]-> N16
+nest0_0 ..[#388E3C]..> nest0_1
+nest0_1 -[#BDBDBD]-> nest0_2
+N12 ..[#000000]..> nest0_0
+nest0_2 -[#673AB7]-> N14
+nest1_0 -[#388E3C]-> nest1_1 : secures
+nest1_1 -[#673AB7]-> nest1_2 : markets
+N9 ..[#BDBDBD]..> nest1_0
+nest1_2 -[#388E3C]-> N12 : manages
+N3 ..[#388E3C]..> S0
+S0 -[#673AB7]-> N15
+S0 -[#673AB7]-> N14
+S0 -[#673AB7]-> N5
+N1 ..[#BDBDBD]..> M0
+N0 -[#388E3C]-> M0
+N3 -[#BDBDBD]-> M0
+M0 -[#388E3C]-> N12
+N3 ..[#BDBDBD]..> M1 : complies
+N7 -[#000000]-> M1
+M1 ..[#388E3C]..> N13
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_272.txt b/test/plantuml/graph_hard/plantuml_272.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b626f7e9e7af2d15e4f3e3fe475ee4d731ad6697
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_272.txt
@@ -0,0 +1,38 @@
+<Accessibility for Users, connectedTo, Data Analytics for Usage Patterns>
+<Accessibility for Users, partners, Route Optimization>
+<Autonomous Shared Vehicles, complies, Data Analytics for Usage Patterns>
+<Autonomous Shared Vehicles, connectedTo, Carbon Emission Tracking>
+<Autonomous Shared Vehicles, connectedTo, Customer Support>
+<Autonomous Shared Vehicles, connectedTo, Fraud Prevention>
+<Autonomous Shared Vehicles, connectedTo, Passenger Safety Protocols>
+<Autonomous Shared Vehicles, connectedTo, Public Transit Integration>
+<Carbon Emission Tracking, connectedTo, Data Analytics for Usage Patterns>
+<Carbon Emission Tracking, connectedTo, Geofencing for Operations>
+<Charging or Refueling Logistics, connectedTo, Carbon Emission Tracking>
+<Charging or Refueling Logistics, connectedTo, Smart City Integration>
+<Customer Support, connectedTo, Dynamic Pricing>
+<Data Analytics for Usage Patterns, connectedTo, Public Transit Integration>
+<Demand Prediction, connectedTo, User Registration>
+<Demand Prediction, partOf, Ride_sharing Services>
+<First_Mile or Last_Mile Solutions, partOf, Vehicle Booking>
+<First_Mile or Last_Mile Solutions, secures, User Rating and Feedback Systems>
+<Fraud Prevention, educates, Passenger Safety Protocols>
+<Geofencing for Operations, connectedTo, Demand Prediction>
+<Geofencing for Operations, partOf, Ride_sharing Services>
+<Maintenance Scheduling, connectedTo, First_Mile or Last_Mile Solutions>
+<Maintenance Scheduling, connectedTo, Ticketing and Fare Collection>
+<Passenger Safety Protocols, connectedTo, Vehicle Location Tracking>
+<Public Transit Integration, connectedTo, Customer Support>
+<Public_Private Partnerships, connectedTo, Carbon Emission Tracking>
+<Route Optimization, connectedTo, Maintenance Scheduling>
+<Smart City Integration, connectedTo, Carbon Emission Tracking>
+<Smart City Integration, connectedTo, Subscription Model Management>
+<Subscription Model Management, connectedTo, Autonomous Shared Vehicles>
+<Ticketing and Fare Collection, connectedTo, Public_Private Partnerships>
+<User Onboarding, manages, Carbon Emission Tracking>
+<User Onboarding, partOf, Vehicle Booking>
+<User Rating and Feedback Systems, markets, User Onboarding>
+<User Rating and Feedback Systems, partOf, Vehicle Booking>
+<User Registration, connectedTo, Public Transit Integration>
+<User Registration, partOf, Ride_sharing Services>
+<Vehicle Location Tracking, connectedTo, Accessibility for Users>
diff --git a/test/plantuml/graph_hard/plantuml_273.puml b/test/plantuml/graph_hard/plantuml_273.puml
new file mode 100644
index 0000000000000000000000000000000000000000..4463d673e7bd440b2dd93bd5dc29e6518ec46601
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_273.puml
@@ -0,0 +1,66 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Vehicle Location Tracking" as Group0 #F3E5F5 {
+    artifact "Autonomous Shared Vehicles" as nest0_0 #F0F4C3
+    cloud "Passenger Safety Protocols" as nest0_1 #D3F7F9
+}
+rectangle "Driver Management" as Group1 #E3F2FD {
+    database "Geofencing for Operations" as nest1_0 #D3F7F9
+    rectangle "Subscription Model Management" as nest1_1 #BBDEFB
+    frame "Scooter_sharing Services" as nest1_2 #D3F7F9
+}
+cloud "Accessibility for Users" as N0 #D3F7F9
+cloud "User Onboarding" as N1 #BBDEFB
+database "Payment Processing" as N2 #BBDEFB
+folder "Supply_Demand Balancing" as N3 #F0F4C3
+component "Demand Prediction" as N4 #F0F4C3
+frame "Parking Integration" as N5 #D3F7F9
+folder "Public_Private Partnerships" as N6 #D3F7F9
+node "Policy Advocacy for Shared Mobility" as N7 #D3F7F9
+artifact "Smart City Integration" as N8 #BBDEFB
+database "Ride_sharing Services" as N9 #BBDEFB
+rectangle "Maintenance Scheduling" as N10 #D3F7F9
+usecase "Vehicle Booking" as N11 #D3F7F9
+node "Fleet Management" as N12 #D3F7F9
+circle " " as S0 #BBDEFB
+circle " " as S1 #F0F4C3
+circle " " as M1 #D3F7F9
+circle " " as M2 #D3F7F9
+N0 ..[#000000]..> N1
+N1 -[#AED581]-> N2 : manages
+N2 -[#2196F3]-> N3 : analyzes
+N3 -[#000000]-> N4
+N4 ..[#AED581]..> N5
+N5 -[#2196F3]-> N6
+N6 ..[#AED581]..> N7
+N7 -[#000000]-> N8
+N8 -[#000000]-> N9
+N9 ..[#AED581]..> N10
+N10 ..[#AED581]..> N11
+N11 -[#2196F3]-> N12
+nest0_0 ..[#2196F3]..> nest0_1
+N6 ..[#2196F3]..> nest0_0
+nest0_1 ..[#2196F3]..> N5
+nest1_0 -[#80DDEA]-> nest1_1
+nest1_1 -[#2196F3]-> nest1_2
+N10 ..[#000000]..> nest1_0
+nest1_2 -[#AED581]-> N7
+N5 ..[#000000]..> S0
+S0 -[#000000]-> N11
+S0 -[#000000]-> N10
+S0 -[#AED581]-> N7 : maintains
+S0 ..[#AED581]..> N12 : books
+N8 ..[#80DDEA]..> S1
+S1 ..[#AED581]..> N12
+S1 -[#80DDEA]-> N10
+N3 -[#2196F3]-> M1
+N0 ..[#000000]..> M1 : partners
+N5 ..[#80DDEA]..> M1
+N4 -[#80DDEA]-> M1
+M1 ..[#80DDEA]..> N7
+N3 -[#AED581]-> M2
+N8 ..[#AED581]..> M2
+M2 -[#80DDEA]-> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_273.txt b/test/plantuml/graph_hard/plantuml_273.txt
new file mode 100644
index 0000000000000000000000000000000000000000..49b12d79903ba02eed0365e3deeeac5953037faf
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_273.txt
@@ -0,0 +1,35 @@
+<Accessibility for Users, connectedTo, User Onboarding>
+<Accessibility for Users, partners, Policy Advocacy for Shared Mobility>
+<Autonomous Shared Vehicles, connectedTo, Passenger Safety Protocols>
+<Autonomous Shared Vehicles, partOf, Vehicle Location Tracking>
+<Demand Prediction, connectedTo, Parking Integration>
+<Demand Prediction, connectedTo, Policy Advocacy for Shared Mobility>
+<Geofencing for Operations, connectedTo, Subscription Model Management>
+<Geofencing for Operations, partOf, Driver Management>
+<Maintenance Scheduling, connectedTo, Geofencing for Operations>
+<Maintenance Scheduling, connectedTo, Vehicle Booking>
+<Parking Integration, books, Fleet Management>
+<Parking Integration, connectedTo, Maintenance Scheduling>
+<Parking Integration, connectedTo, Policy Advocacy for Shared Mobility>
+<Parking Integration, connectedTo, Public_Private Partnerships>
+<Parking Integration, connectedTo, Vehicle Booking>
+<Parking Integration, maintains, Policy Advocacy for Shared Mobility>
+<Passenger Safety Protocols, connectedTo, Parking Integration>
+<Passenger Safety Protocols, partOf, Vehicle Location Tracking>
+<Payment Processing, analyzes, Supply_Demand Balancing>
+<Policy Advocacy for Shared Mobility, connectedTo, Smart City Integration>
+<Public_Private Partnerships, connectedTo, Autonomous Shared Vehicles>
+<Public_Private Partnerships, connectedTo, Policy Advocacy for Shared Mobility>
+<Ride_sharing Services, connectedTo, Maintenance Scheduling>
+<Scooter_sharing Services, connectedTo, Policy Advocacy for Shared Mobility>
+<Scooter_sharing Services, partOf, Driver Management>
+<Smart City Integration, connectedTo, Fleet Management>
+<Smart City Integration, connectedTo, Maintenance Scheduling>
+<Smart City Integration, connectedTo, Ride_sharing Services>
+<Subscription Model Management, connectedTo, Scooter_sharing Services>
+<Subscription Model Management, partOf, Driver Management>
+<Supply_Demand Balancing, connectedTo, Demand Prediction>
+<Supply_Demand Balancing, connectedTo, Maintenance Scheduling>
+<Supply_Demand Balancing, connectedTo, Policy Advocacy for Shared Mobility>
+<User Onboarding, manages, Payment Processing>
+<Vehicle Booking, connectedTo, Fleet Management>
diff --git a/test/plantuml/graph_hard/plantuml_274.txt b/test/plantuml/graph_hard/plantuml_274.txt
new file mode 100644
index 0000000000000000000000000000000000000000..aa3271168f9fb3f3a458b0d73aa9b29ba0ce2395
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_274.txt
@@ -0,0 +1,42 @@
+<Automated Parking Garages, connectedTo, Data Analytics for Parking Usage>
+<Automated Parking Garages, connectedTo, Revenue Management>
+<Barrier Gate Control, connectedTo, Access Control Systems>
+<Cloud_based Parking Platforms, connectedTo, Space Detection>
+<Cloud_based Parking Platforms, partOf, Environmental Impact Monitoring>
+<Customer Support, connectedTo, Demand Forecasting>
+<Customer Support, connectedTo, Maintenance of Systems>
+<Data Analytics for Parking Usage, connectedTo, Edge Computing for Parking Data>
+<Data Analytics for Parking Usage, partOf, Violation Detection>
+<Demand Forecasting, connectedTo, Maintenance of Systems>
+<Demand Forecasting, predicts, Mobile Parking Apps>
+<Edge Computing for Parking Data, connectedTo, Navigation to Open Space>
+<Edge Computing for Parking Data, partOf, Violation Detection>
+<Emergency Vehicle Access Management, connectedTo, Event Parking Management>
+<Enforcement and Fines Management, connectedTo, Smart City Integration for Parking>
+<Event Parking Management, connectedTo, Valet Parking Automation>
+<IoT Sensors for Parking, connectedTo, Cloud_based Parking Platforms>
+<IoT Sensors for Parking, partOf, Environmental Impact Monitoring>
+<License Plate Recognition, connectedTo, Permit Management>
+<Maintenance of Systems, connectedTo, Access Control Systems>
+<Maintenance of Systems, connectedTo, Barrier Gate Control>
+<Maintenance of Systems, connectedTo, Enforcement and Fines Management>
+<Maintenance of Systems, connectedTo, License Plate Recognition>
+<Maintenance of Systems, connectedTo, Permit Management>
+<Maintenance of Systems, connectedTo, Reservations System>
+<Maintenance of Systems, connectedTo, Smart City Integration for Parking>
+<Mobile Parking Apps, connectedTo, Emergency Vehicle Access Management>
+<Navigation to Open Space, connectedTo, Reservations System>
+<Navigation to Open Space, partOf, Violation Detection>
+<Off_Street Parking Management, connectedTo, Barrier Gate Control>
+<Parking Guidance Systems, connectedTo, Customer Support>
+<Parking Guidance Systems, connectedTo, Maintenance of Systems>
+<Permit Management, connectedTo, Reservations System>
+<Reservations System, connectedTo, Enforcement and Fines Management>
+<Revenue Management, connectedTo, Maintenance of Systems>
+<Revenue Management, connectedTo, Parking Guidance Systems>
+<Security Surveillance, connectedTo, Automated Parking Garages>
+<Smart City Integration for Parking, connectedTo, Off_Street Parking Management>
+<Space Detection, connectedTo, Mobile Parking Apps>
+<Space Detection, partOf, Environmental Impact Monitoring>
+<Valet Parking Automation, connectedTo, IoT Sensors for Parking>
+<Valet Parking Automation, connectedTo, Maintenance of Systems>
diff --git a/test/plantuml/graph_hard/plantuml_275.puml b/test/plantuml/graph_hard/plantuml_275.puml
new file mode 100644
index 0000000000000000000000000000000000000000..c2c5ed09a2f11d6fa14c5fda9556e8219444dad5
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_275.puml
@@ -0,0 +1,62 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Fleet Parking Solutions" as Group0 #F1F8E9 {
+    folder "Off_Street Parking Management" as nest0_0 #E9F7E8
+    frame "Emergency Vehicle Access Management" as nest0_1 #FDFCEB
+    cloud "Barrier Gate Control" as nest0_2 #FFEBEB
+    rectangle "Automated Payment" as nest0_3 #FFEBEB
+}
+rectangle "Billing and Reconciliation" as Group1 #F3E5F5 {
+    cloud "Vacancy Monitoring" as nest1_0 #FFEBEB
+    rectangle "On_Street Parking Management" as nest1_1 #FFEBEB
+    folder "Intelligent Traffic Management Interaction" as nest1_2 #FDFCEB
+    component "Revenue Management" as nest1_3 #FFEBEB
+}
+usecase "Parking Guidance Systems" as N0 #E9F7E8
+folder "Permit Management" as N1 #FFEBEB
+usecase "Space Detection" as N2 #E9F7E8
+frame "User Experience Design for Apps" as N3 #FFEBEB
+component "Access Control Systems" as N4 #FFEBEB
+cloud "Integration with Navigation Apps" as N5 #E9F7E8
+rectangle "Cloud_based Parking Platforms" as N6 #E9F7E8
+node "Demand Forecasting" as N7 #FFEBEB
+frame "Reservations System" as N8 #FDFCEB
+folder "License Plate Recognition" as N9 #E9F7E8
+cloud "Ticketing System Integration" as N10 #E9F7E8
+component "Customer Support" as N11 #FFEBEB
+circle " " as S0 #FDFCEB
+circle " " as M1 #FDFCEB
+N0 ..[#FFC2C2]..> N1
+N1 -[#FFC2C2]-> N2
+N2 ..[#EAEFA5]..> N3
+N3 ..[#000000]..> N4
+N4 -[#000000]-> N5
+N5 ..[#FFC2C2]..> N6
+N6 -[#FFC2C2]-> N7
+N7 -[#EAEFA5]-> N8
+N8 ..[#6EB76D]..> N9
+N9 -[#000000]-> N10
+N10 -[#FFC2C2]-> N11 : guides
+nest0_0 -[#000000]-> nest0_1
+nest0_1 ..[#EAEFA5]..> nest0_2
+nest0_2 -[#6EB76D]-> nest0_3 : pays
+N1 ..[#6EB76D]..> nest0_0
+nest0_3 -[#EAEFA5]-> N10
+nest1_0 ..[#FFC2C2]..> nest1_1
+nest1_1 -[#FFC2C2]-> nest1_2 : reserves
+nest1_2 -[#FFC2C2]-> nest1_3
+N4 ..[#EAEFA5]..> nest1_0 : manages
+nest1_3 -[#000000]-> N6
+N6 ..[#EAEFA5]..> S0
+S0 -[#FFC2C2]-> N11
+S0 -[#6EB76D]-> N8
+S0 -[#000000]-> N9
+N1 -[#6EB76D]-> M1
+N0 ..[#EAEFA5]..> M1
+M1 ..[#000000]..> N6
+N4 ..[#FFC2C2]..> nest0_3
+N10 ..[#EAEFA5]..> N1
+N10 ..[#000000]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_275.txt b/test/plantuml/graph_hard/plantuml_275.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ec310986d1f52c095f5d390990985d4aec7c3c37
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_275.txt
@@ -0,0 +1,37 @@
+<Access Control Systems, connectedTo, Automated Payment>
+<Access Control Systems, connectedTo, Integration with Navigation Apps>
+<Access Control Systems, manages, Vacancy Monitoring>
+<Automated Payment, connectedTo, Ticketing System Integration>
+<Automated Payment, partOf, Fleet Parking Solutions>
+<Barrier Gate Control, partOf, Fleet Parking Solutions>
+<Barrier Gate Control, pays, Automated Payment>
+<Cloud_based Parking Platforms, connectedTo, Customer Support>
+<Cloud_based Parking Platforms, connectedTo, Demand Forecasting>
+<Cloud_based Parking Platforms, connectedTo, License Plate Recognition>
+<Cloud_based Parking Platforms, connectedTo, Reservations System>
+<Demand Forecasting, connectedTo, Reservations System>
+<Emergency Vehicle Access Management, connectedTo, Barrier Gate Control>
+<Emergency Vehicle Access Management, partOf, Fleet Parking Solutions>
+<Integration with Navigation Apps, connectedTo, Cloud_based Parking Platforms>
+<Intelligent Traffic Management Interaction, connectedTo, Revenue Management>
+<Intelligent Traffic Management Interaction, partOf, Billing and Reconciliation>
+<License Plate Recognition, connectedTo, Ticketing System Integration>
+<Off_Street Parking Management, connectedTo, Emergency Vehicle Access Management>
+<Off_Street Parking Management, partOf, Fleet Parking Solutions>
+<On_Street Parking Management, partOf, Billing and Reconciliation>
+<On_Street Parking Management, reserves, Intelligent Traffic Management Interaction>
+<Parking Guidance Systems, connectedTo, Cloud_based Parking Platforms>
+<Parking Guidance Systems, connectedTo, Permit Management>
+<Permit Management, connectedTo, Cloud_based Parking Platforms>
+<Permit Management, connectedTo, Off_Street Parking Management>
+<Permit Management, connectedTo, Space Detection>
+<Reservations System, connectedTo, License Plate Recognition>
+<Revenue Management, connectedTo, Cloud_based Parking Platforms>
+<Revenue Management, partOf, Billing and Reconciliation>
+<Space Detection, connectedTo, User Experience Design for Apps>
+<Ticketing System Integration, connectedTo, Permit Management>
+<Ticketing System Integration, connectedTo, Reservations System>
+<Ticketing System Integration, guides, Customer Support>
+<User Experience Design for Apps, connectedTo, Access Control Systems>
+<Vacancy Monitoring, connectedTo, On_Street Parking Management>
+<Vacancy Monitoring, partOf, Billing and Reconciliation>
diff --git a/test/plantuml/graph_hard/plantuml_276.puml b/test/plantuml/graph_hard/plantuml_276.puml
new file mode 100644
index 0000000000000000000000000000000000000000..c7329e51be8ec15d63215c07d197d8594fda1341
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_276.puml
@@ -0,0 +1,67 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "On_Street Parking Management" as Group0 #F1F8E9 {
+    rectangle "Fleet Parking Solutions" as nest0_0 #FFEBEB
+    component "Billing and Reconciliation" as nest0_1 #FFFAE0
+}
+rectangle "Maintenance of Systems" as Group1 #ECEFF1 {
+    frame "Enforcement and Fines Management" as nest1_0 #FFEBEE
+    node "Event Parking Management" as nest1_1 #FFEBEB
+    artifact "Off_Street Parking Management" as nest1_2 #FFEBEE
+}
+cloud "Emergency Vehicle Access Management" as N0 #FFEBEE
+usecase "Smart City Integration for Parking" as N1 #FFFAE0
+database "Space Detection" as N2 #FFFAE0
+frame "Barrier Gate Control" as N3 #FFEBEB
+component "Electric Vehicle Charging Integration" as N4 #FFEBEE
+folder "Customer Support" as N5 #FFEBEB
+usecase "Vacancy Monitoring" as N6 #FFEBEB
+artifact "Dynamic Pricing" as N7 #FFFAE0
+cloud "Valet Parking Automation" as N8 #FFEBEB
+usecase "Integration with Navigation Apps" as N9 #FFEBEE
+rectangle "Security Surveillance" as N10 #FFEBEB
+circle " " as S0 #FFFAE0
+circle " " as S2 #FFEBEE
+circle " " as M0 #FFEBEE
+circle " " as M1 #FFFAE0
+circle " " as M2 #FFEBEE
+N0 -[#E57373]-> N1
+N1 -[#FFC2C2]-> N2
+N2 ..[#000000]..> N3
+N3 ..[#000000]..> N4
+N4 -[#000000]-> N5
+N5 -[#000000]-> N6
+N6 -[#E57373]-> N7
+N7 ..[#E57373]..> N8
+N8 -[#E57373]-> N9
+N9 ..[#FFE470]..> N10
+nest0_0 ..[#FFC2C2]..> nest0_1
+N2 -[#FFC2C2]-> nest0_0
+nest0_1 ..[#FFC2C2]..> N4
+nest1_0 ..[#FFE470]..> nest1_1
+nest1_1 ..[#E57373]..> nest1_2
+N9 -[#E57373]-> nest1_0
+nest1_2 -[#FFE470]-> N10
+N0 -[#000000]-> S0
+S0 -[#E57373]-> N8 : develops
+S0 -[#000000]-> N9
+N3 ..[#FFC2C2]..> S2
+S2 -[#E57373]-> N5
+S2 ..[#000000]..> N8
+N0 -[#FFE470]-> M0
+N3 -[#FFC2C2]-> M0
+N4 ..[#000000]..> M0
+N1 ..[#FFE470]..> M0
+M0 ..[#FFE470]..> N6
+N3 -[#FFE470]-> M1
+N0 ..[#E57373]..> M1
+N4 ..[#E57373]..> M1
+M1 -[#E57373]-> N8
+N2 ..[#FFC2C2]..> M2
+N0 -[#000000]-> M2
+N3 ..[#E57373]..> M2
+N4 -[#E57373]-> M2
+M2 -[#FFC2C2]-> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_276.txt b/test/plantuml/graph_hard/plantuml_276.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0d3eb53ac37ee0d7bd6417024bd48521918cc1aa
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_276.txt
@@ -0,0 +1,36 @@
+<Barrier Gate Control, connectedTo, Customer Support>
+<Barrier Gate Control, connectedTo, Electric Vehicle Charging Integration>
+<Barrier Gate Control, connectedTo, Security Surveillance>
+<Barrier Gate Control, connectedTo, Vacancy Monitoring>
+<Barrier Gate Control, connectedTo, Valet Parking Automation>
+<Billing and Reconciliation, connectedTo, Electric Vehicle Charging Integration>
+<Billing and Reconciliation, partOf, On_Street Parking Management>
+<Customer Support, connectedTo, Vacancy Monitoring>
+<Dynamic Pricing, connectedTo, Valet Parking Automation>
+<Electric Vehicle Charging Integration, connectedTo, Customer Support>
+<Electric Vehicle Charging Integration, connectedTo, Security Surveillance>
+<Electric Vehicle Charging Integration, connectedTo, Vacancy Monitoring>
+<Electric Vehicle Charging Integration, connectedTo, Valet Parking Automation>
+<Emergency Vehicle Access Management, connectedTo, Integration with Navigation Apps>
+<Emergency Vehicle Access Management, connectedTo, Security Surveillance>
+<Emergency Vehicle Access Management, connectedTo, Smart City Integration for Parking>
+<Emergency Vehicle Access Management, connectedTo, Vacancy Monitoring>
+<Emergency Vehicle Access Management, connectedTo, Valet Parking Automation>
+<Emergency Vehicle Access Management, develops, Valet Parking Automation>
+<Enforcement and Fines Management, connectedTo, Event Parking Management>
+<Enforcement and Fines Management, partOf, Maintenance of Systems>
+<Event Parking Management, connectedTo, Off_Street Parking Management>
+<Event Parking Management, partOf, Maintenance of Systems>
+<Fleet Parking Solutions, connectedTo, Billing and Reconciliation>
+<Fleet Parking Solutions, partOf, On_Street Parking Management>
+<Integration with Navigation Apps, connectedTo, Enforcement and Fines Management>
+<Integration with Navigation Apps, connectedTo, Security Surveillance>
+<Off_Street Parking Management, connectedTo, Security Surveillance>
+<Off_Street Parking Management, partOf, Maintenance of Systems>
+<Smart City Integration for Parking, connectedTo, Space Detection>
+<Smart City Integration for Parking, connectedTo, Vacancy Monitoring>
+<Space Detection, connectedTo, Barrier Gate Control>
+<Space Detection, connectedTo, Fleet Parking Solutions>
+<Space Detection, connectedTo, Security Surveillance>
+<Vacancy Monitoring, connectedTo, Dynamic Pricing>
+<Valet Parking Automation, connectedTo, Integration with Navigation Apps>
diff --git a/test/plantuml/graph_hard/plantuml_277.puml b/test/plantuml/graph_hard/plantuml_277.puml
new file mode 100644
index 0000000000000000000000000000000000000000..6472337d649cb9b7094dab0c4d67046800aad944
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_277.puml
@@ -0,0 +1,59 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Public Transport Ticketing" as Group0 #E3F2FD {
+    cloud "Event Creation" as nest0_0 #C2E8E6
+    cloud "Post_Event Feedback Collection" as nest0_1 #E0F2F1
+    usecase "Ticket Delivery" as nest0_2 #E0F2F1
+    component "Group Booking Management" as nest0_3 #E0F2F1
+}
+rectangle "Museum Ticketing" as Group1 #FBE9E7 {
+    usecase "Ticket Sales" as nest1_0 #E0F2F1
+    artifact "Fraud Prevention" as nest1_1 #E0F2F1
+    cloud "Resale Market Integration" as nest1_2 #E0F2F1
+}
+folder "Box Office Management" as N0 #C2E8E6
+usecase "Audience Segmentation" as N1 #C2E8E6
+folder "Dynamic Pricing" as N2 #C2E8E6
+node "Venue Capacity Management" as N3 #C2E8E6
+folder "Airline Ticketing" as N4 #E0F2F1
+rectangle "Pricing Configuration" as N5 #E0F2F1
+folder "Personalized Ticket Offers" as N6 #C2E8E6
+usecase "Biometric Ticketing" as N7 #E0F2F1
+circle " " as S0 #E0F2F1
+circle " " as S1 #E0F2F1
+circle " " as S2 #C2E8E6
+circle " " as M1 #E0F2F1
+N0 -[#61CAC3]-> N1
+N1 ..[#26A69A]..> N2
+N2 -[#26A69A]-> N3 : processes
+N3 ..[#4DB6AC]..> N4
+N4 -[#000000]-> N5
+N5 -[#000000]-> N6
+N6 ..[#4DB6AC]..> N7
+nest0_0 ..[#61CAC3]..> nest0_1
+nest0_1 ..[#26A69A]..> nest0_2
+nest0_2 -[#4DB6AC]-> nest0_3
+N2 ..[#61CAC3]..> nest0_0
+nest0_3 -[#000000]-> N5 : validates
+nest1_0 -[#4DB6AC]-> nest1_1
+nest1_1 -[#4DB6AC]-> nest1_2
+N4 ..[#61CAC3]..> nest1_0
+nest1_2 ..[#4DB6AC]..> N1 : monitors
+N2 -[#26A69A]-> S0
+S0 ..[#61CAC3]..> N7
+S0 ..[#26A69A]..> N6 : analyzes
+S0 ..[#000000]..> N4
+S0 -[#4DB6AC]-> N5
+N2 ..[#000000]..> S1
+S1 ..[#000000]..> N5
+S1 -[#61CAC3]-> N4
+N4 ..[#61CAC3]..> S2
+S2 ..[#000000]..> N7
+S2 ..[#4DB6AC]..> N6
+N3 -[#4DB6AC]-> M1
+N0 -[#61CAC3]-> M1
+N2 -[#26A69A]-> M1
+M1 ..[#26A69A]..> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_277.txt b/test/plantuml/graph_hard/plantuml_277.txt
new file mode 100644
index 0000000000000000000000000000000000000000..eb0c723f415237e44567af63c895e0a9f1c1639c
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_277.txt
@@ -0,0 +1,31 @@
+<Airline Ticketing, connectedTo, Biometric Ticketing>
+<Airline Ticketing, connectedTo, Personalized Ticket Offers>
+<Airline Ticketing, connectedTo, Pricing Configuration>
+<Airline Ticketing, connectedTo, Ticket Sales>
+<Audience Segmentation, connectedTo, Dynamic Pricing>
+<Box Office Management, connectedTo, Audience Segmentation>
+<Box Office Management, connectedTo, Biometric Ticketing>
+<Dynamic Pricing, analyzes, Personalized Ticket Offers>
+<Dynamic Pricing, connectedTo, Airline Ticketing>
+<Dynamic Pricing, connectedTo, Biometric Ticketing>
+<Dynamic Pricing, connectedTo, Event Creation>
+<Dynamic Pricing, connectedTo, Pricing Configuration>
+<Dynamic Pricing, processes, Venue Capacity Management>
+<Event Creation, connectedTo, Post_Event Feedback Collection>
+<Event Creation, partOf, Public Transport Ticketing>
+<Fraud Prevention, connectedTo, Resale Market Integration>
+<Fraud Prevention, partOf, Museum Ticketing>
+<Group Booking Management, partOf, Public Transport Ticketing>
+<Group Booking Management, validates, Pricing Configuration>
+<Personalized Ticket Offers, connectedTo, Biometric Ticketing>
+<Post_Event Feedback Collection, connectedTo, Ticket Delivery>
+<Post_Event Feedback Collection, partOf, Public Transport Ticketing>
+<Pricing Configuration, connectedTo, Personalized Ticket Offers>
+<Resale Market Integration, monitors, Audience Segmentation>
+<Resale Market Integration, partOf, Museum Ticketing>
+<Ticket Delivery, connectedTo, Group Booking Management>
+<Ticket Delivery, partOf, Public Transport Ticketing>
+<Ticket Sales, connectedTo, Fraud Prevention>
+<Ticket Sales, partOf, Museum Ticketing>
+<Venue Capacity Management, connectedTo, Airline Ticketing>
+<Venue Capacity Management, connectedTo, Biometric Ticketing>
diff --git a/test/plantuml/graph_hard/plantuml_278.puml b/test/plantuml/graph_hard/plantuml_278.puml
new file mode 100644
index 0000000000000000000000000000000000000000..4ebaae812a3a922fb5d4771512665836076203f3
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_278.puml
@@ -0,0 +1,65 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Resale Market Integration" as Group0 #E0F2F1 {
+    folder "Concert Ticketing" as nest0_0 #E0E6E9
+    folder "Public Transport Ticketing" as nest0_1 #E0E6E9
+    rectangle "Airline Ticketing" as nest0_2 #E0E6E9
+}
+rectangle "Queue Management" as Group1 #FCE4EC {
+    cloud "Post_Event Feedback Collection" as nest1_0 #FFFDE7
+    rectangle "Theater Ticketing" as nest1_1 #E0E6E9
+    frame "Mobile Ticketing" as nest1_2 #E0E6E9
+    folder "Fraud Prevention" as nest1_3 #FFFDE7
+}
+database "Ticket Sales" as N0 #F5F5DC
+component "Event Promotion Tools" as N1 #FFFDE7
+cloud "Refund Management" as N2 #FFFDE7
+artifact "Event Creation" as N3 #FFFDE7
+rectangle "Museum Ticketing" as N4 #E0E6E9
+frame "Analytics on Sales Data" as N5 #FFFDE7
+folder "Dynamic Pricing" as N6 #E0E6E9
+rectangle "Seat Mapping" as N7 #FFFDE7
+usecase "Ticket Delivery" as N8 #FFFDE7
+circle " " as S0 #FFFDE7
+circle " " as S1 #F5F5DC
+circle " " as S2 #E0E6E9
+circle " " as M0 #E0E6E9
+circle " " as M1 #FFFDE7
+N0 ..[#AABEC6]..> N1
+N1 ..[#AABEC6]..> N2
+N2 -[#000000]-> N3
+N3 -[#000000]-> N4
+N4 -[#000000]-> N5
+N5 -[#FFF176]-> N6
+N6 -[#000000]-> N7
+N7 ..[#BCB88A]..> N8
+nest0_0 -[#000000]-> nest0_1
+nest0_1 -[#000000]-> nest0_2
+N4 ..[#FFF176]..> nest0_0
+nest0_2 -[#FFF176]-> N2
+nest1_0 -[#FFF176]-> nest1_1
+nest1_1 ..[#FFF176]..> nest1_2
+nest1_2 ..[#AABEC6]..> nest1_3
+N2 ..[#FFF176]..> nest1_0
+nest1_3 ..[#BCB88A]..> N5
+N3 ..[#FFF176]..> S0
+S0 -[#AABEC6]-> N5
+S0 -[#000000]-> N8 : bundles
+N0 -[#BCB88A]-> S1
+S1 ..[#BCB88A]..> N5
+S1 -[#BCB88A]-> N8
+S1 -[#000000]-> N7
+N5 -[#AABEC6]-> S2
+S2 ..[#AABEC6]..> N7
+S2 ..[#BCB88A]..> N8
+N5 -[#BCB88A]-> M0
+N3 -[#FFF176]-> M0
+N1 -[#000000]-> M0
+N4 ..[#BCB88A]..> M0
+M0 -[#AABEC6]-> N7
+N0 -[#FFF176]-> M1
+N2 -[#AABEC6]-> M1
+M1 -[#AABEC6]-> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_278.txt b/test/plantuml/graph_hard/plantuml_278.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e98383dcb63a9fe0521f2d2d2767125425627edf
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_278.txt
@@ -0,0 +1,35 @@
+<Airline Ticketing, connectedTo, Refund Management>
+<Airline Ticketing, partOf, Resale Market Integration>
+<Analytics on Sales Data, connectedTo, Dynamic Pricing>
+<Analytics on Sales Data, connectedTo, Seat Mapping>
+<Analytics on Sales Data, connectedTo, Ticket Delivery>
+<Concert Ticketing, connectedTo, Public Transport Ticketing>
+<Concert Ticketing, partOf, Resale Market Integration>
+<Dynamic Pricing, connectedTo, Seat Mapping>
+<Event Creation, bundles, Ticket Delivery>
+<Event Creation, connectedTo, Analytics on Sales Data>
+<Event Creation, connectedTo, Museum Ticketing>
+<Event Creation, connectedTo, Seat Mapping>
+<Event Promotion Tools, connectedTo, Refund Management>
+<Event Promotion Tools, connectedTo, Seat Mapping>
+<Fraud Prevention, connectedTo, Analytics on Sales Data>
+<Fraud Prevention, partOf, Queue Management>
+<Mobile Ticketing, connectedTo, Fraud Prevention>
+<Mobile Ticketing, partOf, Queue Management>
+<Museum Ticketing, connectedTo, Analytics on Sales Data>
+<Museum Ticketing, connectedTo, Concert Ticketing>
+<Museum Ticketing, connectedTo, Seat Mapping>
+<Post_Event Feedback Collection, connectedTo, Theater Ticketing>
+<Post_Event Feedback Collection, partOf, Queue Management>
+<Public Transport Ticketing, connectedTo, Airline Ticketing>
+<Public Transport Ticketing, partOf, Resale Market Integration>
+<Refund Management, connectedTo, Analytics on Sales Data>
+<Refund Management, connectedTo, Event Creation>
+<Refund Management, connectedTo, Post_Event Feedback Collection>
+<Seat Mapping, connectedTo, Ticket Delivery>
+<Theater Ticketing, connectedTo, Mobile Ticketing>
+<Theater Ticketing, partOf, Queue Management>
+<Ticket Sales, connectedTo, Analytics on Sales Data>
+<Ticket Sales, connectedTo, Event Promotion Tools>
+<Ticket Sales, connectedTo, Seat Mapping>
+<Ticket Sales, connectedTo, Ticket Delivery>
diff --git a/test/plantuml/graph_hard/plantuml_279.puml b/test/plantuml/graph_hard/plantuml_279.puml
new file mode 100644
index 0000000000000000000000000000000000000000..911ac183ef0303a0a4e471380d91f4981d65c816
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_279.puml
@@ -0,0 +1,66 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Pricing Configuration" as Group0 #FBE9E7 {
+    folder "Box Office Management" as nest0_0 #E9F7E8
+    component "Festival Ticketing" as nest0_1 #E3F2FD
+}
+rectangle "Payment Processing" as Group1 #E3F2FD {
+    folder "Venue Capacity Management" as nest1_0 #E3F2FD
+    cloud "Promotional Code Management" as nest1_1 #E3F2FD
+    rectangle "Subscription or Season Pass Management" as nest1_2 #E3F2FD
+}
+component "Analytics on Sales Data" as N0 #C2E8E6
+folder "Theater Ticketing" as N1 #E9F7E8
+database "Public Transport Ticketing" as N2 #C2E8E6
+cloud "Ticket Delivery" as N3 #C2E8E6
+node "Customer Relationship Management Integration" as N4 #E3F2FD
+cloud "Mobile Ticketing" as N5 #C2E8E6
+cloud "API Integration for Partners" as N6 #C2E8E6
+database "Blockchain Ticketing for Authenticity" as N7 #E3F2FD
+component "Museum Ticketing" as N8 #C2E8E6
+cloud "Dynamic Pricing" as N9 #E3F2FD
+artifact "Waiting List Management" as N10 #E9F7E8
+folder "Event Creation" as N11 #E9F7E8
+component "Scalper Prevention" as N12 #C2E8E6
+artifact "Airline Ticketing" as N13 #E3F2FD
+circle " " as S0 #C2E8E6
+circle " " as S2 #E9F7E8
+circle " " as M0 #E3F2FD
+circle " " as M1 #E3F2FD
+N0 ..[#61CAC3]..> N1
+N1 ..[#64B5F6]..> N2
+N2 -[#61CAC3]-> N3
+N3 -[#000000]-> N4
+N4 ..[#6EB76D]..> N5
+N5 -[#000000]-> N6
+N6 -[#000000]-> N7 : transfers
+N7 -[#000000]-> N8
+N8 -[#64B5F6]-> N9
+N9 -[#000000]-> N10
+N10 -[#6EB76D]-> N11
+N11 -[#64B5F6]-> N12
+N12 -[#64B5F6]-> N13 : tracks
+nest0_0 -[#000000]-> nest0_1
+N1 ..[#000000]..> nest0_0
+nest0_1 ..[#64B5F6]..> N4
+nest1_0 ..[#61CAC3]..> nest1_1
+nest1_1 ..[#6EB76D]..> nest1_2
+N8 ..[#61CAC3]..> nest1_0
+nest1_2 ..[#6EB76D]..> N9
+N5 -[#6EB76D]-> S0
+S0 ..[#64B5F6]..> N8
+S0 ..[#000000]..> N11
+N4 ..[#64B5F6]..> S2
+S2 -[#61CAC3]-> N8
+S2 -[#61CAC3]-> N13
+S2 -[#6EB76D]-> N6
+N4 -[#61CAC3]-> M0
+N6 -[#64B5F6]-> M0 : responds
+N0 -[#61CAC3]-> M0
+M0 -[#61CAC3]-> N12
+N1 ..[#61CAC3]..> M1
+N0 -[#64B5F6]-> M1 : processes
+M1 ..[#64B5F6]..> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_279.txt b/test/plantuml/graph_hard/plantuml_279.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3bd57875a785655395b67da251fa0e694444ce01
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_279.txt
@@ -0,0 +1,35 @@
+<API Integration for Partners, responds, Scalper Prevention>
+<API Integration for Partners, transfers, Blockchain Ticketing for Authenticity>
+<Analytics on Sales Data, connectedTo, Scalper Prevention>
+<Analytics on Sales Data, connectedTo, Theater Ticketing>
+<Analytics on Sales Data, processes, Ticket Delivery>
+<Blockchain Ticketing for Authenticity, connectedTo, Museum Ticketing>
+<Box Office Management, connectedTo, Festival Ticketing>
+<Box Office Management, partOf, Pricing Configuration>
+<Customer Relationship Management Integration, connectedTo, API Integration for Partners>
+<Customer Relationship Management Integration, connectedTo, Airline Ticketing>
+<Customer Relationship Management Integration, connectedTo, Mobile Ticketing>
+<Customer Relationship Management Integration, connectedTo, Museum Ticketing>
+<Customer Relationship Management Integration, connectedTo, Scalper Prevention>
+<Dynamic Pricing, connectedTo, Waiting List Management>
+<Event Creation, connectedTo, Scalper Prevention>
+<Festival Ticketing, connectedTo, Customer Relationship Management Integration>
+<Festival Ticketing, partOf, Pricing Configuration>
+<Mobile Ticketing, connectedTo, API Integration for Partners>
+<Mobile Ticketing, connectedTo, Event Creation>
+<Mobile Ticketing, connectedTo, Museum Ticketing>
+<Museum Ticketing, connectedTo, Dynamic Pricing>
+<Museum Ticketing, connectedTo, Venue Capacity Management>
+<Promotional Code Management, connectedTo, Subscription or Season Pass Management>
+<Promotional Code Management, partOf, Payment Processing>
+<Public Transport Ticketing, connectedTo, Ticket Delivery>
+<Scalper Prevention, tracks, Airline Ticketing>
+<Subscription or Season Pass Management, connectedTo, Dynamic Pricing>
+<Subscription or Season Pass Management, partOf, Payment Processing>
+<Theater Ticketing, connectedTo, Box Office Management>
+<Theater Ticketing, connectedTo, Public Transport Ticketing>
+<Theater Ticketing, connectedTo, Ticket Delivery>
+<Ticket Delivery, connectedTo, Customer Relationship Management Integration>
+<Venue Capacity Management, connectedTo, Promotional Code Management>
+<Venue Capacity Management, partOf, Payment Processing>
+<Waiting List Management, connectedTo, Event Creation>
diff --git a/test/plantuml/graph_hard/plantuml_28.puml b/test/plantuml/graph_hard/plantuml_28.puml
new file mode 100644
index 0000000000000000000000000000000000000000..a857af26031e545c7b97e9e1910be44d573aa62f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_28.puml
@@ -0,0 +1,61 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Network Activation" as Group0 #FCE4EC {
+    rectangle "Plan Renewal" as nest0_0 #E8EAF6
+    folder "Plan Selection" as nest0_1 #EBEBEB
+}
+rectangle "Number Porting" as Group1 #E0F2F1 {
+    usecase "Troubleshooting Guide" as nest1_0 #D3D7EB
+    artifact "Technical Support Escalation" as nest1_1 #D3D7EB
+    rectangle "Data Usage Logging" as nest1_2 #E8EAF6
+}
+cloud "Bandwidth Allocation" as N0 #E8EAF6
+usecase "Fraudulent Call Blocking" as N1 #D3D7EB
+database "Contract Termination" as N2 #E8EAF6
+folder "Fiber Optic Deployment" as N3 #D3D7EB
+artifact "Speed Throttling" as N4 #EBEBEB
+frame "Bill Generation" as N5 #E8EAF6
+component "VoIP Service" as N6 #E8EAF6
+component "Spectrum Management" as N7 #E8EAF6
+component "IoT Device Connection" as N8 #D3D7EB
+frame "Antenna Maintenance" as N9 #D3D7EB
+node "Billing Inquiry" as N10 #EBEBEB
+circle " " as S0 #EBEBEB
+circle " " as S1 #D3D7EB
+circle " " as M0 #E8EAF6
+circle " " as M1 #E8EAF6
+N0 -[#5C6BC0]-> N1
+N1 ..[#5C6BC0]..> N2
+N2 ..[#E0E0E0]..> N3
+N3 ..[#E0E0E0]..> N4
+N4 ..[#000000]..> N5
+N5 ..[#E0E0E0]..> N6
+N6 -[#E0E0E0]-> N7
+N7 ..[#E0E0E0]..> N8
+N8 ..[#000000]..> N9
+N9 -[#000000]-> N10
+nest0_0 -[#E0E0E0]-> nest0_1
+N9 -[#5C6BC0]-> nest0_0
+nest0_1 ..[#5C6BC0]..> N5 : configures
+nest1_0 -[#8C9EFF]-> nest1_1
+nest1_1 ..[#8C9EFF]..> nest1_2
+N8 -[#000000]-> nest1_0
+nest1_2 ..[#E0E0E0]..> N10
+N7 ..[#5C6BC0]..> S0
+S0 ..[#E0E0E0]..> N10
+S0 -[#000000]-> N9
+N1 -[#5C6BC0]-> S1
+S1 ..[#8C9EFF]..> N8
+S1 ..[#8C9EFF]..> N6
+S1 ..[#5C6BC0]..> N7
+N1 ..[#5C6BC0]..> M0
+N0 -[#E0E0E0]-> M0
+N6 ..[#000000]..> M0
+N4 ..[#5C6BC0]..> M0
+M0 ..[#E0E0E0]..> N10
+N1 -[#5C6BC0]-> M1
+N0 -[#000000]-> M1
+M1 ..[#8C9EFF]..> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_28.txt b/test/plantuml/graph_hard/plantuml_28.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1015c5243bc4d1d9cff78d5228aafa194bf0997d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_28.txt
@@ -0,0 +1,33 @@
+<Antenna Maintenance, connectedTo, Billing Inquiry>
+<Antenna Maintenance, connectedTo, Plan Renewal>
+<Bandwidth Allocation, connectedTo, Billing Inquiry>
+<Bandwidth Allocation, connectedTo, Fiber Optic Deployment>
+<Bandwidth Allocation, connectedTo, Fraudulent Call Blocking>
+<Bill Generation, connectedTo, VoIP Service>
+<Contract Termination, connectedTo, Fiber Optic Deployment>
+<Data Usage Logging, connectedTo, Billing Inquiry>
+<Data Usage Logging, partOf, Number Porting>
+<Fiber Optic Deployment, connectedTo, Speed Throttling>
+<Fraudulent Call Blocking, connectedTo, Billing Inquiry>
+<Fraudulent Call Blocking, connectedTo, Contract Termination>
+<Fraudulent Call Blocking, connectedTo, Fiber Optic Deployment>
+<Fraudulent Call Blocking, connectedTo, IoT Device Connection>
+<Fraudulent Call Blocking, connectedTo, Spectrum Management>
+<Fraudulent Call Blocking, connectedTo, VoIP Service>
+<IoT Device Connection, connectedTo, Antenna Maintenance>
+<IoT Device Connection, connectedTo, Troubleshooting Guide>
+<Plan Renewal, connectedTo, Plan Selection>
+<Plan Renewal, partOf, Network Activation>
+<Plan Selection, configures, Bill Generation>
+<Plan Selection, partOf, Network Activation>
+<Spectrum Management, connectedTo, Antenna Maintenance>
+<Spectrum Management, connectedTo, Billing Inquiry>
+<Spectrum Management, connectedTo, IoT Device Connection>
+<Speed Throttling, connectedTo, Bill Generation>
+<Speed Throttling, connectedTo, Billing Inquiry>
+<Technical Support Escalation, connectedTo, Data Usage Logging>
+<Technical Support Escalation, partOf, Number Porting>
+<Troubleshooting Guide, connectedTo, Technical Support Escalation>
+<Troubleshooting Guide, partOf, Number Porting>
+<VoIP Service, connectedTo, Billing Inquiry>
+<VoIP Service, connectedTo, Spectrum Management>
diff --git a/test/plantuml/graph_hard/plantuml_280.puml b/test/plantuml/graph_hard/plantuml_280.puml
new file mode 100644
index 0000000000000000000000000000000000000000..3104bf74f4cb2204fb2159033fa582e6d7c6a43f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_280.puml
@@ -0,0 +1,70 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Penetration Testing" as Group0 #E8F5E9 {
+    database "Anonymous Credential Systems" as nest0_0 #EFE6FF
+    folder "Vote Counting" as nest0_1 #E0F7FA
+    artifact "Secure Data Transmission" as nest0_2 #E0F7FA
+    node "Blockchain for Voting" as nest0_3 #FFE0B2
+}
+rectangle "Threat Modeling" as Group1 #EDE7F6 {
+    folder "Post_Election Audits" as nest1_0 #E0F7FA
+    cloud "Accessibility Features" as nest1_1 #FFE0B2
+    database "Election Official Training" as nest1_2 #EFE6FF
+    usecase "Undue Influence Prevention" as nest1_3 #FFE0B2
+}
+node "Transparency" as N0 #E0F7FA
+cloud "Security Protocols" as N1 #FFE0B2
+frame "Voter Authentication" as N2 #EFE6FF
+folder "Voting Machine Design" as N3 #E0F7FA
+cloud "System Certification" as N4 #FFE0B2
+database "Online Voting Systems" as N5 #FFE0B2
+usecase "Voter Privacy Protection" as N6 #EFE6FF
+folder "Risk Management for Elections" as N7 #E0F7FA
+artifact "Remote Voting Solutions" as N8 #E0F7FA
+frame "Biometric Voter ID" as N9 #E0F7FA
+frame "Touchscreen Voting Machines" as N10 #FFE0B2
+artifact "Voter Education Programs" as N11 #FFE0B2
+database "Results Aggregation" as N12 #E0F7FA
+circle " " as S0 #EFE6FF
+circle " " as S1 #EFE6FF
+circle " " as M0 #EFE6FF
+circle " " as M1 #E0F7FA
+N0 ..[#00BCD4]..> N1
+N1 ..[#00BCD4]..> N2
+N2 ..[#00BCD4]..> N3
+N3 ..[#FF9800]..> N4
+N4 ..[#FF9800]..> N5
+N5 -[#C2B2F0]-> N6
+N6 ..[#000000]..> N7
+N7 ..[#000000]..> N8
+N8 -[#C2B2F0]-> N9
+N9 -[#000000]-> N10
+N10 -[#FF9800]-> N11
+N11 ..[#00BCD4]..> N12
+nest0_0 ..[#C2B2F0]..> nest0_1
+nest0_1 ..[#FF9800]..> nest0_2
+nest0_2 -[#000000]-> nest0_3
+N11 -[#000000]-> nest0_0
+nest0_3 ..[#C2B2F0]..> N7
+nest1_0 -[#00BCD4]-> nest1_1
+nest1_1 -[#00BCD4]-> nest1_2
+nest1_2 -[#FF9800]-> nest1_3
+N11 -[#C2B2F0]-> nest1_0
+nest1_3 -[#C2B2F0]-> N5
+N8 -[#FF9800]-> S0
+S0 -[#00BCD4]-> N11
+S0 -[#00BCD4]-> N10
+N2 ..[#C2B2F0]..> S1
+S1 -[#FF9800]-> N5
+S1 -[#00BCD4]-> N11
+S1 -[#000000]-> N12
+N1 ..[#00BCD4]..> M0
+N2 -[#00BCD4]-> M0
+N0 ..[#FF9800]..> M0
+M0 ..[#000000]..> N4
+N1 -[#FF9800]-> M1
+N7 -[#00BCD4]-> M1
+M1 -[#FF9800]-> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_280.txt b/test/plantuml/graph_hard/plantuml_280.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bddaa5dcdb49fb0d8f1e202f5e0cc5a25af30d27
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_280.txt
@@ -0,0 +1,40 @@
+<Accessibility Features, connectedTo, Election Official Training>
+<Accessibility Features, partOf, Threat Modeling>
+<Anonymous Credential Systems, connectedTo, Vote Counting>
+<Anonymous Credential Systems, partOf, Penetration Testing>
+<Biometric Voter ID, connectedTo, Touchscreen Voting Machines>
+<Blockchain for Voting, connectedTo, Risk Management for Elections>
+<Blockchain for Voting, partOf, Penetration Testing>
+<Election Official Training, connectedTo, Undue Influence Prevention>
+<Election Official Training, partOf, Threat Modeling>
+<Online Voting Systems, connectedTo, Voter Privacy Protection>
+<Post_Election Audits, connectedTo, Accessibility Features>
+<Post_Election Audits, partOf, Threat Modeling>
+<Remote Voting Solutions, connectedTo, Biometric Voter ID>
+<Remote Voting Solutions, connectedTo, Touchscreen Voting Machines>
+<Remote Voting Solutions, connectedTo, Voter Education Programs>
+<Risk Management for Elections, connectedTo, Biometric Voter ID>
+<Risk Management for Elections, connectedTo, Remote Voting Solutions>
+<Secure Data Transmission, connectedTo, Blockchain for Voting>
+<Secure Data Transmission, partOf, Penetration Testing>
+<Security Protocols, connectedTo, Biometric Voter ID>
+<Security Protocols, connectedTo, System Certification>
+<Security Protocols, connectedTo, Voter Authentication>
+<System Certification, connectedTo, Online Voting Systems>
+<Touchscreen Voting Machines, connectedTo, Voter Education Programs>
+<Transparency, connectedTo, Security Protocols>
+<Transparency, connectedTo, System Certification>
+<Undue Influence Prevention, connectedTo, Online Voting Systems>
+<Undue Influence Prevention, partOf, Threat Modeling>
+<Vote Counting, connectedTo, Secure Data Transmission>
+<Vote Counting, partOf, Penetration Testing>
+<Voter Authentication, connectedTo, Online Voting Systems>
+<Voter Authentication, connectedTo, Results Aggregation>
+<Voter Authentication, connectedTo, System Certification>
+<Voter Authentication, connectedTo, Voter Education Programs>
+<Voter Authentication, connectedTo, Voting Machine Design>
+<Voter Education Programs, connectedTo, Anonymous Credential Systems>
+<Voter Education Programs, connectedTo, Post_Election Audits>
+<Voter Education Programs, connectedTo, Results Aggregation>
+<Voter Privacy Protection, connectedTo, Risk Management for Elections>
+<Voting Machine Design, connectedTo, System Certification>
diff --git a/test/plantuml/graph_hard/plantuml_281.puml b/test/plantuml/graph_hard/plantuml_281.puml
new file mode 100644
index 0000000000000000000000000000000000000000..4262b29d8c9df1df3acee8fc5fbe9d385e608ab4
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_281.puml
@@ -0,0 +1,83 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Touchscreen Voting Machines" as Group0 #FCE4EC {
+    database "Legal Framework Compliance" as nest0_0 #C9F0F0
+    cloud "Voting Machine Design" as nest0_1 #EBEBEB
+    folder "Undue Influence Prevention" as nest0_2 #FFDCD6
+}
+rectangle "Zero_Knowledge Proofs for Privacy" as Group1 #EDE7F6 {
+    node "Remote Voting Solutions" as nest1_0 #C9F0F0
+    usecase "Direct Recording Electronic Systems" as nest1_1 #FFDCD6
+}
+usecase "Cybersecurity for Voting Systems" as N0 #C9F0F0
+component "Auditability" as N1 #C9F0F0
+rectangle "Optical Scan Systems" as N2 #C9F0F0
+folder "Voter Privacy Protection" as N3 #FFDCD6
+component "Accessibility Features" as N4 #FFDCD6
+folder "Hardware Tamper Detection" as N5 #EBEBEB
+folder "Secure Data Transmission" as N6 #C9F0F0
+node "Threat Modeling" as N7 #EBEBEB
+frame "Results Aggregation" as N8 #EBEBEB
+artifact "System Certification" as N9 #EBEBEB
+artifact "Post_Election Audits" as N10 #FFDCD6
+folder "Voter Education Programs" as N11 #EBEBEB
+node "Software Integrity Checks" as N12 #C9F0F0
+node "Transparency" as N13 #EBEBEB
+cloud "Anonymous Credential Systems" as N14 #EBEBEB
+artifact "Ballot Creation" as N15 #EBEBEB
+folder "Online Voting Systems" as N16 #EBEBEB
+rectangle "Voter Authentication" as N17 #EBEBEB
+rectangle "Risk Management for Elections" as N18 #EBEBEB
+circle " " as S0 #EBEBEB
+circle " " as S1 #FFDCD6
+circle " " as S2 #FFDCD6
+circle " " as M0 #C9F0F0
+circle " " as M1 #C9F0F0
+circle " " as M2 #FFDCD6
+N0 -[#4DD0E1]-> N1
+N1 -[#E0E0E0]-> N2
+N2 -[#E0E0E0]-> N3
+N3 ..[#4DD0E1]..> N4
+N4 -[#4DD0E1]-> N5
+N5 ..[#000000]..> N6
+N6 ..[#4DD0E1]..> N7
+N7 -[#E0E0E0]-> N8
+N8 ..[#FFB2A5]..> N9
+N9 -[#FFB2A5]-> N10
+N10 ..[#E0E0E0]..> N11
+N11 ..[#000000]..> N12 : detects
+N12 ..[#E0E0E0]..> N13
+N13 -[#000000]-> N14
+N14 -[#FFB2A5]-> N15
+N15 ..[#4DD0E1]..> N16
+N16 -[#FFB2A5]-> N17
+N17 -[#000000]-> N18
+nest0_0 -[#000000]-> nest0_1
+nest0_1 ..[#E0E0E0]..> nest0_2
+N6 ..[#000000]..> nest0_0
+nest0_2 -[#4DD0E1]-> N13
+nest1_0 ..[#E0E0E0]..> nest1_1
+N13 -[#FFB2A5]-> nest1_0
+nest1_1 ..[#FFB2A5]..> N6
+N13 -[#000000]-> S0
+S0 -[#FFB2A5]-> N15
+S0 ..[#FFB2A5]..> N17
+N6 -[#FFB2A5]-> S1
+S1 -[#FFB2A5]-> N13
+S1 -[#E0E0E0]-> N15 : designs
+N0 ..[#E0E0E0]..> S2
+S2 ..[#E0E0E0]..> N15 : communicates
+S2 -[#E0E0E0]-> N9
+N1 -[#000000]-> M0 : develops
+N0 ..[#4DD0E1]..> M0
+N2 ..[#4DD0E1]..> M0
+M0 ..[#000000]..> N4
+N6 -[#E0E0E0]-> M1
+N0 -[#000000]-> M1
+M1 ..[#4DD0E1]..> N14
+N3 ..[#4DD0E1]..> M2
+N13 -[#000000]-> M2
+M2 -[#E0E0E0]-> N17
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_281.txt b/test/plantuml/graph_hard/plantuml_281.txt
new file mode 100644
index 0000000000000000000000000000000000000000..838de909a47a8c6d20b914dd4b84669610ab1e4f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_281.txt
@@ -0,0 +1,42 @@
+<Accessibility Features, connectedTo, Hardware Tamper Detection>
+<Anonymous Credential Systems, connectedTo, Ballot Creation>
+<Auditability, connectedTo, Optical Scan Systems>
+<Auditability, develops, Accessibility Features>
+<Ballot Creation, connectedTo, Online Voting Systems>
+<Cybersecurity for Voting Systems, communicates, Ballot Creation>
+<Cybersecurity for Voting Systems, connectedTo, Accessibility Features>
+<Cybersecurity for Voting Systems, connectedTo, Anonymous Credential Systems>
+<Cybersecurity for Voting Systems, connectedTo, Auditability>
+<Cybersecurity for Voting Systems, connectedTo, System Certification>
+<Direct Recording Electronic Systems, connectedTo, Secure Data Transmission>
+<Direct Recording Electronic Systems, partOf, Zero_Knowledge Proofs for Privacy>
+<Hardware Tamper Detection, connectedTo, Secure Data Transmission>
+<Legal Framework Compliance, connectedTo, Voting Machine Design>
+<Legal Framework Compliance, partOf, Touchscreen Voting Machines>
+<Online Voting Systems, connectedTo, Voter Authentication>
+<Optical Scan Systems, connectedTo, Accessibility Features>
+<Optical Scan Systems, connectedTo, Voter Privacy Protection>
+<Post_Election Audits, connectedTo, Voter Education Programs>
+<Remote Voting Solutions, connectedTo, Direct Recording Electronic Systems>
+<Remote Voting Solutions, partOf, Zero_Knowledge Proofs for Privacy>
+<Results Aggregation, connectedTo, System Certification>
+<Secure Data Transmission, connectedTo, Anonymous Credential Systems>
+<Secure Data Transmission, connectedTo, Legal Framework Compliance>
+<Secure Data Transmission, connectedTo, Threat Modeling>
+<Secure Data Transmission, connectedTo, Transparency>
+<Secure Data Transmission, designs, Ballot Creation>
+<Software Integrity Checks, connectedTo, Transparency>
+<System Certification, connectedTo, Post_Election Audits>
+<Threat Modeling, connectedTo, Results Aggregation>
+<Transparency, connectedTo, Anonymous Credential Systems>
+<Transparency, connectedTo, Ballot Creation>
+<Transparency, connectedTo, Remote Voting Solutions>
+<Transparency, connectedTo, Voter Authentication>
+<Undue Influence Prevention, connectedTo, Transparency>
+<Undue Influence Prevention, partOf, Touchscreen Voting Machines>
+<Voter Authentication, connectedTo, Risk Management for Elections>
+<Voter Education Programs, detects, Software Integrity Checks>
+<Voter Privacy Protection, connectedTo, Accessibility Features>
+<Voter Privacy Protection, connectedTo, Voter Authentication>
+<Voting Machine Design, connectedTo, Undue Influence Prevention>
+<Voting Machine Design, partOf, Touchscreen Voting Machines>
diff --git a/test/plantuml/graph_hard/plantuml_282.puml b/test/plantuml/graph_hard/plantuml_282.puml
new file mode 100644
index 0000000000000000000000000000000000000000..aca46baae4e80c8d0c9bafe7237a2968c1e3a04b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_282.puml
@@ -0,0 +1,58 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Voter Authentication" as Group0 #FCE4EC {
+    folder "Legal Framework Compliance" as nest0_0 #D7CCC8
+    node "Post_Election Audits" as nest0_1 #C8EDFF
+    folder "Undue Influence Prevention" as nest0_2 #B2EBF2
+    node "Voter Education Programs" as nest0_3 #B2EBF2
+}
+rectangle "Secure Data Transmission" as Group1 #EDE7F6 {
+    node "Biometric Voter ID" as nest1_0 #D7CCC8
+    node "Ballot Creation" as nest1_1 #C8EDFF
+    component "Results Aggregation" as nest1_2 #B2EBF2
+    folder "Touchscreen Voting Machines" as nest1_3 #B2EBF2
+}
+rectangle "Penetration Testing" as N0 #B2EBF2
+artifact "Vote Counting" as N1 #B2EBF2
+frame "Anonymous Credential Systems" as N2 #B2EBF2
+frame "Risk Management for Elections" as N3 #B2EBF2
+folder "Hardware Tamper Detection" as N4 #B2EBF2
+usecase "Transparency" as N5 #D7CCC8
+frame "Direct Recording Electronic Systems" as N6 #B2EBF2
+folder "Accessibility Features" as N7 #D7CCC8
+rectangle "Threat Modeling" as N8 #B2EBF2
+circle " " as S0 #B2EBF2
+circle " " as M1 #C8EDFF
+circle " " as M2 #B2EBF2
+N0 ..[#82DAFF]..> N1
+N1 ..[#795548]..> N2 : monitors
+N2 -[#795548]-> N3 : encrypts
+N3 -[#795548]-> N4 : complies
+N4 -[#82DAFF]-> N5
+N5 -[#82DAFF]-> N6
+N6 -[#795548]-> N7
+N7 -[#82DAFF]-> N8
+nest0_0 -[#795548]-> nest0_1
+nest0_1 ..[#82DAFF]..> nest0_2
+nest0_2 ..[#82DAFF]..> nest0_3
+N3 ..[#795548]..> nest0_0
+nest0_3 ..[#82DAFF]..> N2
+nest1_0 -[#000000]-> nest1_1
+nest1_1 -[#00BCD4]-> nest1_2
+nest1_2 -[#00BCD4]-> nest1_3
+N2 -[#000000]-> nest1_0
+nest1_3 ..[#00BCD4]..> N8
+N0 -[#000000]-> S0
+S0 -[#82DAFF]-> N6
+S0 -[#82DAFF]-> N3
+S0 -[#795548]-> N7
+N0 -[#00BCD4]-> M1
+N3 -[#000000]-> M1
+N1 -[#82DAFF]-> M1
+M1 ..[#795548]..> N5
+N4 -[#000000]-> M2
+N0 ..[#82DAFF]..> M2
+M2 ..[#000000]..> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_282.txt b/test/plantuml/graph_hard/plantuml_282.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5c9a95ca30f9c5db2067076ce552306895c462d1
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_282.txt
@@ -0,0 +1,33 @@
+<Accessibility Features, connectedTo, Threat Modeling>
+<Anonymous Credential Systems, connectedTo, Biometric Voter ID>
+<Anonymous Credential Systems, encrypts, Risk Management for Elections>
+<Ballot Creation, connectedTo, Results Aggregation>
+<Ballot Creation, partOf, Secure Data Transmission>
+<Biometric Voter ID, connectedTo, Ballot Creation>
+<Biometric Voter ID, partOf, Secure Data Transmission>
+<Direct Recording Electronic Systems, connectedTo, Accessibility Features>
+<Hardware Tamper Detection, connectedTo, Direct Recording Electronic Systems>
+<Hardware Tamper Detection, connectedTo, Transparency>
+<Legal Framework Compliance, connectedTo, Post_Election Audits>
+<Legal Framework Compliance, partOf, Voter Authentication>
+<Penetration Testing, connectedTo, Accessibility Features>
+<Penetration Testing, connectedTo, Direct Recording Electronic Systems>
+<Penetration Testing, connectedTo, Risk Management for Elections>
+<Penetration Testing, connectedTo, Transparency>
+<Penetration Testing, connectedTo, Vote Counting>
+<Post_Election Audits, connectedTo, Undue Influence Prevention>
+<Post_Election Audits, partOf, Voter Authentication>
+<Results Aggregation, connectedTo, Touchscreen Voting Machines>
+<Results Aggregation, partOf, Secure Data Transmission>
+<Risk Management for Elections, complies, Hardware Tamper Detection>
+<Risk Management for Elections, connectedTo, Legal Framework Compliance>
+<Risk Management for Elections, connectedTo, Transparency>
+<Touchscreen Voting Machines, connectedTo, Threat Modeling>
+<Touchscreen Voting Machines, partOf, Secure Data Transmission>
+<Transparency, connectedTo, Direct Recording Electronic Systems>
+<Undue Influence Prevention, connectedTo, Voter Education Programs>
+<Undue Influence Prevention, partOf, Voter Authentication>
+<Vote Counting, connectedTo, Transparency>
+<Vote Counting, monitors, Anonymous Credential Systems>
+<Voter Education Programs, connectedTo, Anonymous Credential Systems>
+<Voter Education Programs, partOf, Voter Authentication>
diff --git a/test/plantuml/graph_hard/plantuml_283.puml b/test/plantuml/graph_hard/plantuml_283.puml
new file mode 100644
index 0000000000000000000000000000000000000000..1e34fec8d61a7769144749fd325e3fafc77c15ee
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_283.puml
@@ -0,0 +1,65 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Policy Brief Writing" as Group0 #FBE9E7 {
+    component "Comparative Policy Analysis" as nest0_0 #FCE4EC
+    rectangle "Policy Advocacy and Lobbying" as nest0_1 #FCE4EC
+    frame "Risk Assessment" as nest0_2 #FCE4EC
+}
+rectangle "Public Consultation Process" as Group1 #EDE7F6 {
+    artifact "Qualitative Analysis" as nest1_0 #EDE7F6
+    cloud "Political Feasibility Assessment" as nest1_1 #EDE7F6
+    database "Forecasting and Scenario Planning" as nest1_2 #FCE4EC
+}
+node "Local Government Policy" as N0 #E8EAF6
+rectangle "Interagency Coordination" as N1 #EDE7F6
+node "Monitoring and Evaluation Framework" as N2 #EDE7F6
+folder "Impact Assessment" as N3 #FCE4EC
+usecase "Criteria Establishment" as N4 #E8EAF6
+artifact "Behavioral Economics in Policy" as N5 #EDE7F6
+artifact "Budgetary Implications" as N6 #EDE7F6
+usecase "Public Opinion Research" as N7 #EDE7F6
+component "Feasibility Study" as N8 #EDE7F6
+usecase "Policy Learning" as N9 #EDE7F6
+circle " " as S0 #EDE7F6
+circle " " as S1 #EDE7F6
+circle " " as M0 #E8EAF6
+circle " " as M1 #EDE7F6
+circle " " as M2 #FCE4EC
+N0 -[#7986CB]-> N1
+N1 -[#9575CD]-> N2 : recommends
+N2 -[#000000]-> N3
+N3 ..[#9575CD]..> N4
+N4 -[#9575CD]-> N5
+N5 ..[#000000]..> N6
+N6 ..[#E91E63]..> N7
+N7 -[#E91E63]-> N8
+N8 ..[#9575CD]..> N9
+nest0_0 -[#7986CB]-> nest0_1
+nest0_1 -[#000000]-> nest0_2
+N5 -[#000000]-> nest0_0
+nest0_2 -[#000000]-> N1
+nest1_0 -[#000000]-> nest1_1
+nest1_1 -[#7986CB]-> nest1_2
+N8 ..[#9575CD]..> nest1_0
+nest1_2 ..[#000000]..> N4
+N6 -[#7986CB]-> S0
+S0 -[#000000]-> N9
+S0 ..[#000000]..> N8
+N5 ..[#000000]..> S1
+S1 ..[#E91E63]..> N7
+S1 ..[#000000]..> N8
+N1 ..[#E91E63]..> M0
+N4 -[#E91E63]-> M0
+N0 -[#000000]-> M0
+M0 ..[#000000]..> N6
+N0 -[#E91E63]-> M1
+N5 ..[#E91E63]..> M1
+N3 -[#9575CD]-> M1
+M1 ..[#E91E63]..> N8
+N1 -[#7986CB]-> M2
+N3 ..[#9575CD]..> M2
+N0 -[#7986CB]-> M2
+M2 ..[#E91E63]..> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_283.txt b/test/plantuml/graph_hard/plantuml_283.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0089ef5249419f1e853d287b6a975579ae6986bf
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_283.txt
@@ -0,0 +1,35 @@
+<Behavioral Economics in Policy, connectedTo, Budgetary Implications>
+<Behavioral Economics in Policy, connectedTo, Comparative Policy Analysis>
+<Behavioral Economics in Policy, connectedTo, Feasibility Study>
+<Behavioral Economics in Policy, connectedTo, Public Opinion Research>
+<Budgetary Implications, connectedTo, Feasibility Study>
+<Budgetary Implications, connectedTo, Policy Learning>
+<Budgetary Implications, connectedTo, Public Opinion Research>
+<Comparative Policy Analysis, connectedTo, Policy Advocacy and Lobbying>
+<Comparative Policy Analysis, partOf, Policy Brief Writing>
+<Criteria Establishment, connectedTo, Behavioral Economics in Policy>
+<Criteria Establishment, connectedTo, Budgetary Implications>
+<Feasibility Study, connectedTo, Policy Learning>
+<Feasibility Study, connectedTo, Qualitative Analysis>
+<Forecasting and Scenario Planning, connectedTo, Criteria Establishment>
+<Forecasting and Scenario Planning, partOf, Public Consultation Process>
+<Impact Assessment, connectedTo, Behavioral Economics in Policy>
+<Impact Assessment, connectedTo, Criteria Establishment>
+<Impact Assessment, connectedTo, Feasibility Study>
+<Interagency Coordination, connectedTo, Behavioral Economics in Policy>
+<Interagency Coordination, connectedTo, Budgetary Implications>
+<Interagency Coordination, recommends, Monitoring and Evaluation Framework>
+<Local Government Policy, connectedTo, Behavioral Economics in Policy>
+<Local Government Policy, connectedTo, Budgetary Implications>
+<Local Government Policy, connectedTo, Feasibility Study>
+<Local Government Policy, connectedTo, Interagency Coordination>
+<Monitoring and Evaluation Framework, connectedTo, Impact Assessment>
+<Policy Advocacy and Lobbying, connectedTo, Risk Assessment>
+<Policy Advocacy and Lobbying, partOf, Policy Brief Writing>
+<Political Feasibility Assessment, connectedTo, Forecasting and Scenario Planning>
+<Political Feasibility Assessment, partOf, Public Consultation Process>
+<Public Opinion Research, connectedTo, Feasibility Study>
+<Qualitative Analysis, connectedTo, Political Feasibility Assessment>
+<Qualitative Analysis, partOf, Public Consultation Process>
+<Risk Assessment, connectedTo, Interagency Coordination>
+<Risk Assessment, partOf, Policy Brief Writing>
diff --git a/test/plantuml/graph_hard/plantuml_284.puml b/test/plantuml/graph_hard/plantuml_284.puml
new file mode 100644
index 0000000000000000000000000000000000000000..5778c360c88eff4dd5c6bf5394944670344cc095
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_284.puml
@@ -0,0 +1,74 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Budgetary Implications" as Group0 #F3E5F5 {
+    artifact "Communication Strategy" as nest0_0 #F2E6F5
+    folder "Quantitative Analysis" as nest0_1 #E8F5E9
+    rectangle "Policy Learning" as nest0_2 #F2E6F5
+    component "Behavioral Economics in Policy" as nest0_3 #F2E6F5
+}
+rectangle "Cost_Benefit Analysis" as Group1 #E0F2F1 {
+    usecase "Political Feasibility Assessment" as nest1_0 #F2E6F5
+    component "Recommendation Formulation" as nest1_1 #F2E6F5
+}
+component "National Policy Development" as N0 #F2E6F5
+component "Forecasting and Scenario Planning" as N1 #E8F5E9
+frame "Report Drafting" as N2 #E8F5E9
+node "Problem Identification" as N3 #E8F5E9
+artifact "Regulatory Impact Assessment" as N4 #F2E6F5
+usecase "Public Opinion Research" as N5 #E8F5E9
+frame "Interagency Coordination" as N6 #E8F5E9
+component "Qualitative Analysis" as N7 #F2E6F5
+frame "Risk Assessment" as N8 #E8F5E9
+artifact "Feasibility Study" as N9 #F0F4C3
+folder "Policy Evaluation" as N10 #F2E6F5
+rectangle "Legal Review" as N11 #F2E6F5
+frame "Non_profit Policy Influence" as N12 #F0F4C3
+usecase "Evidence_Based Policymaking" as N13 #F2E6F5
+circle " " as S0 #F2E6F5
+circle " " as S1 #F0F4C3
+circle " " as M0 #F0F4C3
+circle " " as M1 #F0F4C3
+circle " " as M2 #E8F5E9
+N0 ..[#CB9BE1]..> N1
+N1 -[#CB9BE1]-> N2
+N2 -[#AED581]-> N3
+N3 -[#CB9BE1]-> N4
+N4 -[#000000]-> N5
+N5 ..[#66BB6A]..> N6
+N6 -[#66BB6A]-> N7
+N7 ..[#AED581]..> N8
+N8 ..[#66BB6A]..> N9
+N9 ..[#000000]..> N10
+N10 -[#66BB6A]-> N11 : protects
+N11 -[#AED581]-> N12
+N12 ..[#66BB6A]..> N13
+nest0_0 ..[#CB9BE1]..> nest0_1 : trains
+nest0_1 ..[#AED581]..> nest0_2
+nest0_2 -[#000000]-> nest0_3
+N10 -[#66BB6A]-> nest0_0
+nest0_3 ..[#CB9BE1]..> N3
+nest1_0 -[#000000]-> nest1_1
+N4 -[#000000]-> nest1_0 : interprets
+nest1_1 -[#CB9BE1]-> N5
+N0 -[#000000]-> S0
+S0 ..[#66BB6A]..> N4
+S0 ..[#000000]..> N8
+N7 -[#000000]-> S1
+S1 -[#000000]-> N11
+S1 -[#CB9BE1]-> N13
+S1 -[#AED581]-> N12
+N1 ..[#CB9BE1]..> M0 : advises
+N4 ..[#66BB6A]..> M0
+N7 -[#AED581]-> M0
+M0 -[#000000]-> N10
+N2 -[#66BB6A]-> M1
+N1 -[#000000]-> M1
+N3 ..[#000000]..> M1 : educates
+M1 -[#CB9BE1]-> N5
+N3 ..[#000000]..> M2
+N2 -[#66BB6A]-> M2 : publishes
+N6 ..[#AED581]..> M2
+M2 -[#CB9BE1]-> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_284.txt b/test/plantuml/graph_hard/plantuml_284.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8df17c8296219f919d292feaf40210f885a3fae0
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_284.txt
@@ -0,0 +1,41 @@
+<Behavioral Economics in Policy, connectedTo, Problem Identification>
+<Behavioral Economics in Policy, partOf, Budgetary Implications>
+<Communication Strategy, partOf, Budgetary Implications>
+<Communication Strategy, trains, Quantitative Analysis>
+<Feasibility Study, connectedTo, Policy Evaluation>
+<Forecasting and Scenario Planning, advises, Policy Evaluation>
+<Forecasting and Scenario Planning, connectedTo, Public Opinion Research>
+<Forecasting and Scenario Planning, connectedTo, Report Drafting>
+<Interagency Coordination, connectedTo, Qualitative Analysis>
+<Interagency Coordination, connectedTo, Risk Assessment>
+<Legal Review, connectedTo, Non_profit Policy Influence>
+<National Policy Development, connectedTo, Forecasting and Scenario Planning>
+<National Policy Development, connectedTo, Regulatory Impact Assessment>
+<National Policy Development, connectedTo, Risk Assessment>
+<Non_profit Policy Influence, connectedTo, Evidence_Based Policymaking>
+<Policy Evaluation, connectedTo, Communication Strategy>
+<Policy Evaluation, protects, Legal Review>
+<Policy Learning, connectedTo, Behavioral Economics in Policy>
+<Policy Learning, partOf, Budgetary Implications>
+<Political Feasibility Assessment, connectedTo, Recommendation Formulation>
+<Political Feasibility Assessment, partOf, Cost_Benefit Analysis>
+<Problem Identification, connectedTo, Regulatory Impact Assessment>
+<Problem Identification, connectedTo, Risk Assessment>
+<Problem Identification, educates, Public Opinion Research>
+<Public Opinion Research, connectedTo, Interagency Coordination>
+<Qualitative Analysis, connectedTo, Evidence_Based Policymaking>
+<Qualitative Analysis, connectedTo, Legal Review>
+<Qualitative Analysis, connectedTo, Non_profit Policy Influence>
+<Qualitative Analysis, connectedTo, Policy Evaluation>
+<Qualitative Analysis, connectedTo, Risk Assessment>
+<Quantitative Analysis, connectedTo, Policy Learning>
+<Quantitative Analysis, partOf, Budgetary Implications>
+<Recommendation Formulation, connectedTo, Public Opinion Research>
+<Recommendation Formulation, partOf, Cost_Benefit Analysis>
+<Regulatory Impact Assessment, connectedTo, Policy Evaluation>
+<Regulatory Impact Assessment, connectedTo, Public Opinion Research>
+<Regulatory Impact Assessment, interprets, Political Feasibility Assessment>
+<Report Drafting, connectedTo, Problem Identification>
+<Report Drafting, connectedTo, Public Opinion Research>
+<Report Drafting, publishes, Risk Assessment>
+<Risk Assessment, connectedTo, Feasibility Study>
diff --git a/test/plantuml/graph_hard/plantuml_285.puml b/test/plantuml/graph_hard/plantuml_285.puml
new file mode 100644
index 0000000000000000000000000000000000000000..2c2d3c97e5637f83c3c52d35a5f23ae515840d7d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_285.puml
@@ -0,0 +1,63 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Policy Brief Writing" as Group0 #FBE9E7 {
+    artifact "Regulatory Impact Assessment" as nest0_0 #C2E8E6
+    rectangle "Stakeholder Analysis" as nest0_1 #FFF9C4
+    folder "International Policy Analysis" as nest0_2 #C2E8E6
+}
+rectangle "Risk Assessment" as Group1 #E8F5E9 {
+    rectangle "Policy Evaluation" as nest1_0 #E0F2F1
+    folder "Program Design" as nest1_1 #FFF9C4
+    cloud "Ethical Considerations" as nest1_2 #FFF9C4
+    node "Legal Review" as nest1_3 #E0F2F1
+}
+folder "Forecasting and Scenario Planning" as N0 #FFF9C4
+usecase "Comparative Policy Analysis" as N1 #FFF9C4
+cloud "Quantitative Analysis" as N2 #E0F2F1
+cloud "Option Generation" as N3 #E0F2F1
+cloud "Report Drafting" as N4 #FFF9C4
+node "Budgetary Implications" as N5 #FFF9C4
+cloud "Data Visualization for Policy" as N6 #C2E8E6
+database "Advocacy Strategy" as N7 #C2E8E6
+node "Policy Simulation Models" as N8 #E0F2F1
+folder "Recommendation Formulation" as N9 #FFF9C4
+circle " " as S0 #C2E8E6
+circle " " as S1 #E0F2F1
+circle " " as M0 #C2E8E6
+circle " " as M1 #C2E8E6
+N0 ..[#61CAC3]..> N1
+N1 -[#4DB6AC]-> N2 : collaborates
+N2 -[#000000]-> N3
+N3 -[#61CAC3]-> N4
+N4 -[#4DB6AC]-> N5
+N5 ..[#4DB6AC]..> N6
+N6 ..[#000000]..> N7
+N7 ..[#4DB6AC]..> N8
+N8 ..[#4DB6AC]..> N9
+nest0_0 -[#4DB6AC]-> nest0_1
+nest0_1 -[#4DB6AC]-> nest0_2
+N7 -[#61CAC3]-> nest0_0 : assesses
+nest0_2 -[#61CAC3]-> N9
+nest1_0 -[#4DB6AC]-> nest1_1
+nest1_1 -[#FFEB3B]-> nest1_2
+nest1_2 -[#FFEB3B]-> nest1_3 : proposes
+N3 -[#61CAC3]-> nest1_0
+nest1_3 -[#4DB6AC]-> N9
+N1 -[#4DB6AC]-> S0
+S0 -[#000000]-> N3 : solutions
+S0 ..[#4DB6AC]..> N5
+N3 -[#61CAC3]-> S1
+S1 -[#FFEB3B]-> N9
+S1 ..[#4DB6AC]..> N5
+S1 ..[#FFEB3B]..> N8
+N0 ..[#FFEB3B]..> M0
+N6 ..[#FFEB3B]..> M0
+N3 -[#FFEB3B]-> M0
+M0 ..[#000000]..> N9
+N4 ..[#FFEB3B]..> M1
+N0 -[#000000]-> M1
+N1 -[#61CAC3]-> M1
+M1 -[#FFEB3B]-> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_285.txt b/test/plantuml/graph_hard/plantuml_285.txt
new file mode 100644
index 0000000000000000000000000000000000000000..aa17b1ab1fb0a88e2c1e8f49af3dd9382e2ba0b6
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_285.txt
@@ -0,0 +1,35 @@
+<Advocacy Strategy, assesses, Regulatory Impact Assessment>
+<Advocacy Strategy, connectedTo, Policy Simulation Models>
+<Budgetary Implications, connectedTo, Data Visualization for Policy>
+<Comparative Policy Analysis, collaborates, Quantitative Analysis>
+<Comparative Policy Analysis, connectedTo, Budgetary Implications>
+<Comparative Policy Analysis, connectedTo, Data Visualization for Policy>
+<Comparative Policy Analysis, solutions, Option Generation>
+<Data Visualization for Policy, connectedTo, Advocacy Strategy>
+<Data Visualization for Policy, connectedTo, Recommendation Formulation>
+<Ethical Considerations, partOf, Risk Assessment>
+<Ethical Considerations, proposes, Legal Review>
+<Forecasting and Scenario Planning, connectedTo, Comparative Policy Analysis>
+<Forecasting and Scenario Planning, connectedTo, Data Visualization for Policy>
+<Forecasting and Scenario Planning, connectedTo, Recommendation Formulation>
+<International Policy Analysis, connectedTo, Recommendation Formulation>
+<International Policy Analysis, partOf, Policy Brief Writing>
+<Legal Review, connectedTo, Recommendation Formulation>
+<Legal Review, partOf, Risk Assessment>
+<Option Generation, connectedTo, Budgetary Implications>
+<Option Generation, connectedTo, Policy Evaluation>
+<Option Generation, connectedTo, Policy Simulation Models>
+<Option Generation, connectedTo, Recommendation Formulation>
+<Option Generation, connectedTo, Report Drafting>
+<Policy Evaluation, connectedTo, Program Design>
+<Policy Evaluation, partOf, Risk Assessment>
+<Policy Simulation Models, connectedTo, Recommendation Formulation>
+<Program Design, connectedTo, Ethical Considerations>
+<Program Design, partOf, Risk Assessment>
+<Quantitative Analysis, connectedTo, Option Generation>
+<Regulatory Impact Assessment, connectedTo, Stakeholder Analysis>
+<Regulatory Impact Assessment, partOf, Policy Brief Writing>
+<Report Drafting, connectedTo, Budgetary Implications>
+<Report Drafting, connectedTo, Data Visualization for Policy>
+<Stakeholder Analysis, connectedTo, International Policy Analysis>
+<Stakeholder Analysis, partOf, Policy Brief Writing>
diff --git a/test/plantuml/graph_hard/plantuml_286.puml b/test/plantuml/graph_hard/plantuml_286.puml
new file mode 100644
index 0000000000000000000000000000000000000000..e922cc140a12879cdc834bf67bd64dbc186356ae
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_286.puml
@@ -0,0 +1,79 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Manuscript Writing" as Group0 #E8F5E9 {
+    folder "Qualitative Analysis" as nest0_0 #FFF8E1
+    usecase "Data Analysis" as nest0_1 #FFE88D
+    rectangle "Research Design" as nest0_2 #FFF8E1
+    frame "Journal Publication" as nest0_3 #FFF8E1
+}
+rectangle "Model Building" as Group1 #FFF3E0 {
+    node "Intellectual Property in Research" as nest1_0 #FFF8E1
+    node "Research Question Refinement" as nest1_1 #E0E6E9
+    folder "Research Impact Assessment" as nest1_2 #E0E6E9
+    folder "Theory Development" as nest1_3 #E0E6E9
+}
+component "Methodology Selection" as N0 #E0E6E9
+frame "Academic Mentorship" as N1 #FFE88D
+folder "Meta_Analysis" as N2 #FFF8E1
+folder "Systematic Review" as N3 #E0E6E9
+folder "Literature Review" as N4 #E0E6E9
+usecase "Software for Statistical Analysis" as N5 #E0E6E9
+cloud "Poster Session Preparation" as N6 #FFE88D
+node "Data Visualization for Research" as N7 #E0E6E9
+database "Research Collaboration" as N8 #FFF8E1
+component "Grant Proposal Writing" as N9 #FFF8E1
+database "Plagiarism Detection" as N10 #E0E6E9
+rectangle "Sampling Techniques" as N11 #FFF8E1
+folder "Research Ethics Application" as N12 #E0E6E9
+rectangle "Statistical Analysis" as N13 #E0E6E9
+component "Peer Review Process" as N14 #FFE88D
+usecase "Presentation at Conferences" as N15 #FFE88D
+circle " " as S0 #FFF8E1
+circle " " as S1 #FFF8E1
+circle " " as S2 #E0E6E9
+circle " " as M0 #FFF8E1
+circle " " as M1 #FFE88D
+N0 ..[#FFDA4E]..> N1 : supervises
+N1 ..[#000000]..> N2
+N2 ..[#000000]..> N3 : ethics
+N3 ..[#FFD54F]..> N4
+N4 -[#FFD54F]-> N5
+N5 -[#AABEC6]-> N6
+N6 ..[#000000]..> N7
+N7 ..[#000000]..> N8
+N8 ..[#000000]..> N9
+N9 ..[#000000]..> N10
+N10 -[#000000]-> N11
+N11 ..[#FFDA4E]..> N12
+N12 ..[#000000]..> N13
+N13 -[#FFDA4E]-> N14
+N14 ..[#FFD54F]..> N15
+nest0_0 -[#FFD54F]-> nest0_1
+nest0_1 ..[#AABEC6]..> nest0_2 : educates
+nest0_2 -[#AABEC6]-> nest0_3
+N7 ..[#FFD54F]..> nest0_0
+nest0_3 -[#AABEC6]-> N1
+nest1_0 ..[#FFDA4E]..> nest1_1
+nest1_1 -[#FFDA4E]-> nest1_2
+nest1_2 -[#AABEC6]-> nest1_3
+N8 ..[#000000]..> nest1_0
+nest1_3 -[#AABEC6]-> N7 : presents
+N4 ..[#FFDA4E]..> S0
+S0 ..[#000000]..> N14
+S0 ..[#FFD54F]..> N9
+N3 ..[#AABEC6]..> S1
+S1 -[#AABEC6]-> N5
+S1 ..[#AABEC6]..> N14
+N0 ..[#AABEC6]..> S2
+S2 -[#FFDA4E]-> N2
+S2 -[#FFDA4E]-> N13 : grants
+S2 -[#FFD54F]-> N5
+N0 ..[#FFDA4E]..> M0
+N2 -[#FFDA4E]-> M0
+M0 -[#FFD54F]-> N5
+N6 -[#FFD54F]-> M1
+N0 -[#FFD54F]-> M1
+M1 -[#FFD54F]-> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_286.txt b/test/plantuml/graph_hard/plantuml_286.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7092d70dc20304e02114035c2a06386e20b947aa
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_286.txt
@@ -0,0 +1,43 @@
+<Academic Mentorship, connectedTo, Meta_Analysis>
+<Data Analysis, educates, Research Design>
+<Data Analysis, partOf, Manuscript Writing>
+<Data Visualization for Research, connectedTo, Qualitative Analysis>
+<Data Visualization for Research, connectedTo, Research Collaboration>
+<Grant Proposal Writing, connectedTo, Plagiarism Detection>
+<Intellectual Property in Research, connectedTo, Research Question Refinement>
+<Intellectual Property in Research, partOf, Model Building>
+<Journal Publication, connectedTo, Academic Mentorship>
+<Journal Publication, partOf, Manuscript Writing>
+<Literature Review, connectedTo, Grant Proposal Writing>
+<Literature Review, connectedTo, Peer Review Process>
+<Literature Review, connectedTo, Software for Statistical Analysis>
+<Meta_Analysis, connectedTo, Software for Statistical Analysis>
+<Meta_Analysis, ethics, Systematic Review>
+<Methodology Selection, connectedTo, Meta_Analysis>
+<Methodology Selection, connectedTo, Research Collaboration>
+<Methodology Selection, connectedTo, Software for Statistical Analysis>
+<Methodology Selection, grants, Statistical Analysis>
+<Methodology Selection, supervises, Academic Mentorship>
+<Peer Review Process, connectedTo, Presentation at Conferences>
+<Plagiarism Detection, connectedTo, Sampling Techniques>
+<Poster Session Preparation, connectedTo, Data Visualization for Research>
+<Poster Session Preparation, connectedTo, Research Collaboration>
+<Qualitative Analysis, connectedTo, Data Analysis>
+<Qualitative Analysis, partOf, Manuscript Writing>
+<Research Collaboration, connectedTo, Grant Proposal Writing>
+<Research Collaboration, connectedTo, Intellectual Property in Research>
+<Research Design, connectedTo, Journal Publication>
+<Research Design, partOf, Manuscript Writing>
+<Research Ethics Application, connectedTo, Statistical Analysis>
+<Research Impact Assessment, connectedTo, Theory Development>
+<Research Impact Assessment, partOf, Model Building>
+<Research Question Refinement, connectedTo, Research Impact Assessment>
+<Research Question Refinement, partOf, Model Building>
+<Sampling Techniques, connectedTo, Research Ethics Application>
+<Software for Statistical Analysis, connectedTo, Poster Session Preparation>
+<Statistical Analysis, connectedTo, Peer Review Process>
+<Systematic Review, connectedTo, Literature Review>
+<Systematic Review, connectedTo, Peer Review Process>
+<Systematic Review, connectedTo, Software for Statistical Analysis>
+<Theory Development, partOf, Model Building>
+<Theory Development, presents, Data Visualization for Research>
diff --git a/test/plantuml/graph_hard/plantuml_287.txt b/test/plantuml/graph_hard/plantuml_287.txt
new file mode 100644
index 0000000000000000000000000000000000000000..147bbfd12cae9198821dd75ac9917d762a89cb92
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_287.txt
@@ -0,0 +1,32 @@
+<Bias Mitigation, connectedTo, Thesis or Dissertation Writing>
+<Bias Mitigation, submits, Model Building>
+<Experiment Design, connectedTo, Software for Statistical Analysis>
+<Experiment Design, connectedTo, Variable Identification>
+<Experiment Design, partOf, Methodology Selection>
+<Grant Proposal Writing, connectedTo, Citation Management>
+<Grant Proposal Writing, connectedTo, Experiment Design>
+<Grant Proposal Writing, connectedTo, Model Building>
+<Grant Proposal Writing, connectedTo, Survey Design>
+<Intellectual Property in Research, connectedTo, Citation Management>
+<Literature Review, connectedTo, Meta_Analysis>
+<Literature Review, connectedTo, Model Building>
+<Literature Review, partOf, Plagiarism Detection>
+<Meta_Analysis, connectedTo, Survey Design>
+<Meta_Analysis, partOf, Plagiarism Detection>
+<Model Building, connectedTo, Intellectual Property in Research>
+<Open Science Practices, connectedTo, Bias Mitigation>
+<Open Science Practices, connectedTo, Intellectual Property in Research>
+<Open Science Practices, connectedTo, Model Building>
+<Reproducibility Studies, connectedTo, Theory Development>
+<Reproducibility Studies, partOf, Plagiarism Detection>
+<Software for Statistical Analysis, connectedTo, Variable Identification>
+<Software for Statistical Analysis, partOf, Methodology Selection>
+<Survey Design, connectedTo, Model Building>
+<Systematic Review, connectedTo, Grant Proposal Writing>
+<Theory Development, connectedTo, Literature Review>
+<Theory Development, partOf, Plagiarism Detection>
+<Thesis or Dissertation Writing, archives, Systematic Review>
+<Thesis or Dissertation Writing, connectedTo, Intellectual Property in Research>
+<Thesis or Dissertation Writing, connectedTo, Reproducibility Studies>
+<Variable Identification, connectedTo, Bias Mitigation>
+<Variable Identification, partOf, Methodology Selection>
diff --git a/test/plantuml/graph_hard/plantuml_288.puml b/test/plantuml/graph_hard/plantuml_288.puml
new file mode 100644
index 0000000000000000000000000000000000000000..44553c8f28a056dc4b35b7c2ea39f66894e29a8d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_288.puml
@@ -0,0 +1,53 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Variable Identification" as Group0 #FFF3E0 {
+    folder "Citation Management" as nest0_0 #FFDAB9
+    node "Literature Review" as nest0_1 #FFF9C4
+    frame "Manuscript Writing" as nest0_2 #CADEDE
+}
+rectangle "Funding Agency Reporting" as Group1 #E3F2FD {
+    rectangle "Sampling Techniques" as nest1_0 #FFDAB9
+    folder "Model Building" as nest1_1 #FFDAB9
+    cloud "Plagiarism Detection" as nest1_2 #CADEDE
+    component "Power Analysis" as nest1_3 #FFF9C4
+}
+node "Software for Statistical Analysis" as N0 #FFF9C4
+node "Academic Mentorship" as N1 #FFF9C4
+component "Research Collaboration" as N2 #CADEDE
+frame "Hypothesis Formulation" as N3 #FFF9C4
+usecase "Systematic Review" as N4 #FFF9C4
+node "Qualitative Analysis" as N5 #FFDAB9
+database "Methodology Selection" as N6 #CADEDE
+database "Reproducibility Studies" as N7 #FFDAB9
+folder "Public Engagement with Research" as N8 #CADEDE
+circle " " as S0 #FFDAB9
+circle " " as S1 #CADEDE
+N0 ..[#FFC085]..> N1
+N1 -[#94C0C0]-> N2
+N2 -[#000000]-> N3
+N3 ..[#94C0C0]..> N4
+N4 -[#FFC085]-> N5
+N5 -[#000000]-> N6
+N6 -[#000000]-> N7
+N7 -[#FFC085]-> N8
+nest0_0 -[#FFC085]-> nest0_1
+nest0_1 -[#94C0C0]-> nest0_2
+N7 ..[#FFC085]..> nest0_0
+nest0_2 -[#FFEB3B]-> N7
+nest1_0 -[#000000]-> nest1_1
+nest1_1 -[#94C0C0]-> nest1_2
+nest1_2 ..[#FFEB3B]..> nest1_3
+N4 -[#FFC085]-> nest1_0
+nest1_3 ..[#000000]..> N4
+N3 -[#000000]-> S0
+S0 ..[#000000]..> N6
+S0 -[#FFEB3B]-> N8
+S0 -[#FFC085]-> N5
+N2 -[#FFEB3B]-> S1
+S1 ..[#000000]..> N6
+S1 -[#FFEB3B]-> N7
+nest1_2 ..[#FFC085]..> N8
+N5 -[#94C0C0]-> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_288.txt b/test/plantuml/graph_hard/plantuml_288.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6e7e7d08c27ee985762abd7c6b20d2b3fd07a1ea
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_288.txt
@@ -0,0 +1,31 @@
+<Academic Mentorship, connectedTo, Research Collaboration>
+<Citation Management, connectedTo, Literature Review>
+<Citation Management, partOf, Variable Identification>
+<Hypothesis Formulation, connectedTo, Methodology Selection>
+<Hypothesis Formulation, connectedTo, Public Engagement with Research>
+<Hypothesis Formulation, connectedTo, Qualitative Analysis>
+<Hypothesis Formulation, connectedTo, Systematic Review>
+<Literature Review, connectedTo, Manuscript Writing>
+<Literature Review, partOf, Variable Identification>
+<Manuscript Writing, connectedTo, Reproducibility Studies>
+<Manuscript Writing, partOf, Variable Identification>
+<Methodology Selection, connectedTo, Reproducibility Studies>
+<Model Building, connectedTo, Plagiarism Detection>
+<Model Building, partOf, Funding Agency Reporting>
+<Plagiarism Detection, connectedTo, Power Analysis>
+<Plagiarism Detection, connectedTo, Public Engagement with Research>
+<Plagiarism Detection, partOf, Funding Agency Reporting>
+<Power Analysis, connectedTo, Systematic Review>
+<Power Analysis, partOf, Funding Agency Reporting>
+<Qualitative Analysis, connectedTo, Hypothesis Formulation>
+<Qualitative Analysis, connectedTo, Methodology Selection>
+<Reproducibility Studies, connectedTo, Citation Management>
+<Reproducibility Studies, connectedTo, Public Engagement with Research>
+<Research Collaboration, connectedTo, Hypothesis Formulation>
+<Research Collaboration, connectedTo, Methodology Selection>
+<Research Collaboration, connectedTo, Reproducibility Studies>
+<Sampling Techniques, connectedTo, Model Building>
+<Sampling Techniques, partOf, Funding Agency Reporting>
+<Software for Statistical Analysis, connectedTo, Academic Mentorship>
+<Systematic Review, connectedTo, Qualitative Analysis>
+<Systematic Review, connectedTo, Sampling Techniques>
diff --git a/test/plantuml/graph_hard/plantuml_289.puml b/test/plantuml/graph_hard/plantuml_289.puml
new file mode 100644
index 0000000000000000000000000000000000000000..c32304584639168399c45cccff7aa62710fee1c3
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_289.puml
@@ -0,0 +1,71 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Acquisitions" as Group0 #F3E5F5 {
+    node "Database Management" as nest0_0 #EFEBE9
+    component "Patron Services" as nest0_1 #EFEBE9
+    database "Mobile App for Library" as nest0_2 #FFFAE0
+}
+rectangle "Data Migration" as Group1 #ECEFF1 {
+    artifact "Discovery Layers" as nest1_0 #EFEBE9
+    usecase "System Security" as nest1_1 #DACBE3
+    frame "Resource Sharing Networks" as nest1_2 #DACBE3
+    rectangle "Library Management Systems" as nest1_3 #FFFAE0
+}
+cloud "User Training on Systems" as N0 #FFFAE0
+folder "Library Website Management" as N1 #EFEBE9
+database "Open Access Repository Management" as N2 #DACBE3
+component "User Account Management" as N3 #DACBE3
+frame "Federated Search" as N4 #EFEBE9
+artifact "Circulation Management" as N5 #EFEBE9
+cloud "RFID System Implementation" as N6 #DACBE3
+component "System Upgrades" as N7 #EFEBE9
+usecase "Automated Materials Handling" as N8 #DACBE3
+rectangle "Collection Development" as N9 #FFFAE0
+artifact "Search Functionality" as N10 #FFFAE0
+artifact "Digitization Projects" as N11 #EFEBE9
+rectangle "Metadata Creation" as N12 #FFFAE0
+circle " " as S0 #EFEBE9
+circle " " as M0 #FFFAE0
+circle " " as M1 #DACBE3
+circle " " as M2 #DACBE3
+N0 ..[#A188D0]..> N1
+N1 -[#A1887F]-> N2
+N2 ..[#000000]..> N3 : communicates
+N3 ..[#000000]..> N4
+N4 -[#000000]-> N5
+N5 ..[#FFE470]..> N6
+N6 -[#A188D0]-> N7
+N7 ..[#000000]..> N8
+N8 -[#FFE470]-> N9
+N9 -[#A1887F]-> N10 : reports
+N10 -[#A1887F]-> N11
+N11 ..[#FFE470]..> N12
+nest0_0 -[#000000]-> nest0_1
+nest0_1 ..[#A188D0]..> nest0_2
+N3 ..[#A188D0]..> nest0_0
+nest0_2 ..[#FFE470]..> N1
+nest1_0 ..[#FFE470]..> nest1_1
+nest1_1 -[#000000]-> nest1_2
+nest1_2 -[#FFE470]-> nest1_3
+N6 -[#A188D0]-> nest1_0
+nest1_3 -[#000000]-> N2 : processes
+N9 ..[#A1887F]..> S0
+S0 -[#FFE470]-> N11
+S0 ..[#FFE470]..> N12
+N2 -[#A1887F]-> M0
+N4 ..[#000000]..> M0
+N3 -[#A188D0]-> M0
+M0 ..[#A188D0]..> N6
+N3 ..[#A188D0]..> M1 : catalogs
+N2 -[#A188D0]-> M1
+N4 ..[#A1887F]..> M1
+N5 ..[#A1887F]..> M1
+M1 -[#A188D0]-> N7
+N0 -[#000000]-> M2 : manages
+N5 ..[#000000]..> M2
+N4 ..[#000000]..> M2
+N1 -[#000000]-> M2 : integrates
+M2 ..[#A1887F]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_289.txt b/test/plantuml/graph_hard/plantuml_289.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6da7c4e89f216140b4e9921c732f2fd2d79bf9ff
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_289.txt
@@ -0,0 +1,41 @@
+<Automated Materials Handling, connectedTo, Collection Development>
+<Circulation Management, connectedTo, Automated Materials Handling>
+<Circulation Management, connectedTo, RFID System Implementation>
+<Circulation Management, connectedTo, System Upgrades>
+<Collection Development, connectedTo, Digitization Projects>
+<Collection Development, connectedTo, Metadata Creation>
+<Collection Development, reports, Search Functionality>
+<Database Management, connectedTo, Patron Services>
+<Database Management, partOf, Acquisitions>
+<Digitization Projects, connectedTo, Metadata Creation>
+<Discovery Layers, connectedTo, System Security>
+<Discovery Layers, partOf, Data Migration>
+<Federated Search, connectedTo, Automated Materials Handling>
+<Federated Search, connectedTo, Circulation Management>
+<Federated Search, connectedTo, RFID System Implementation>
+<Federated Search, connectedTo, System Upgrades>
+<Library Management Systems, partOf, Data Migration>
+<Library Management Systems, processes, Open Access Repository Management>
+<Library Website Management, connectedTo, Open Access Repository Management>
+<Library Website Management, integrates, Automated Materials Handling>
+<Mobile App for Library, connectedTo, Library Website Management>
+<Mobile App for Library, partOf, Acquisitions>
+<Open Access Repository Management, communicates, User Account Management>
+<Open Access Repository Management, connectedTo, RFID System Implementation>
+<Open Access Repository Management, connectedTo, System Upgrades>
+<Patron Services, connectedTo, Mobile App for Library>
+<Patron Services, partOf, Acquisitions>
+<RFID System Implementation, connectedTo, Discovery Layers>
+<RFID System Implementation, connectedTo, System Upgrades>
+<Resource Sharing Networks, connectedTo, Library Management Systems>
+<Resource Sharing Networks, partOf, Data Migration>
+<Search Functionality, connectedTo, Digitization Projects>
+<System Security, connectedTo, Resource Sharing Networks>
+<System Security, partOf, Data Migration>
+<System Upgrades, connectedTo, Automated Materials Handling>
+<User Account Management, catalogs, System Upgrades>
+<User Account Management, connectedTo, Database Management>
+<User Account Management, connectedTo, Federated Search>
+<User Account Management, connectedTo, RFID System Implementation>
+<User Training on Systems, connectedTo, Library Website Management>
+<User Training on Systems, manages, Automated Materials Handling>
diff --git a/test/plantuml/graph_hard/plantuml_29.puml b/test/plantuml/graph_hard/plantuml_29.puml
new file mode 100644
index 0000000000000000000000000000000000000000..df69331911be12dd57d3905d069fd8210ab8aecd
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_29.puml
@@ -0,0 +1,73 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Broadband Provisioning" as Group0 #FFF3E0 {
+    folder "Base Station Installation" as nest0_0 #E1BEE7
+    component "Network Upgrade" as nest0_1 #F9FBE7
+}
+rectangle "Speed Throttling" as Group1 #EDE7F6 {
+    artifact "Issue Resolution" as nest1_0 #FFF6D9
+    frame "IoT Device Connection" as nest1_1 #F9FBE7
+    cloud "Service Complaint" as nest1_2 #E1BEE7
+    component "Usage Monitoring" as nest1_3 #FFF6D9
+}
+cloud "Service Activation Request" as N0 #FFF6D9
+folder "Plan Selection" as N1 #E1BEE7
+folder "Plan Suspension" as N2 #F9FBE7
+database "Bill Generation" as N3 #FFF6D9
+folder "Payment Received" as N4 #FFF6D9
+cloud "SMS Delivery" as N5 #E1BEE7
+folder "Roaming Activation" as N6 #E1BEE7
+database "Plan Renewal" as N7 #F9FBE7
+folder "VoIP Service" as N8 #E1BEE7
+node "MMS Transmission" as N9 #F9FBE7
+artifact "Customer Support" as N10 #FFF6D9
+node "SIM Registration" as N11 #F9FBE7
+node "Antenna Maintenance" as N12 #E1BEE7
+cloud "Fraudulent Call Blocking" as N13 #E1BEE7
+frame "Call Recording" as N14 #FFF6D9
+cloud "Customer Relationship Management" as N15 #FFF6D9
+rectangle "Number Porting" as N16 #F9FBE7
+component "Mobile Top_up" as N17 #E1BEE7
+artifact "Service Level Agreement" as N18 #FFF6D9
+circle " " as S1 #E1BEE7
+circle " " as M0 #E1BEE7
+circle " " as M1 #E1BEE7
+N0 -[#FFCC7A]-> N1
+N1 -[#000000]-> N2
+N2 ..[#9C27B0]..> N3
+N3 ..[#000000]..> N4
+N4 -[#000000]-> N5
+N5 ..[#FFCC7A]..> N6
+N6 -[#DCE775]-> N7
+N7 ..[#000000]..> N8
+N8 -[#000000]-> N9
+N9 ..[#DCE775]..> N10 : resolves
+N10 ..[#9C27B0]..> N11
+N11 ..[#9C27B0]..> N12
+N12 -[#000000]-> N13
+N13 ..[#000000]..> N14
+N14 ..[#9C27B0]..> N15
+N15 -[#000000]-> N16
+N16 -[#DCE775]-> N17
+N17 -[#9C27B0]-> N18
+nest0_0 -[#9C27B0]-> nest0_1 : renews
+N1 -[#FFCC7A]-> nest0_0
+nest0_1 -[#DCE775]-> N14 : generates
+nest1_0 -[#000000]-> nest1_1
+nest1_1 ..[#DCE775]..> nest1_2
+nest1_2 -[#9C27B0]-> nest1_3
+N16 -[#000000]-> nest1_0
+nest1_3 -[#FFCC7A]-> N5
+N6 -[#FFCC7A]-> S1
+S1 -[#9C27B0]-> N13
+S1 ..[#9C27B0]..> N14
+S1 -[#FFCC7A]-> N11
+N13 ..[#FFCC7A]..> M0
+N1 ..[#9C27B0]..> M0 : suspends
+M0 -[#9C27B0]-> N16
+N0 -[#FFCC7A]-> M1
+N2 -[#DCE775]-> M1
+M1 ..[#000000]..> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_29.txt b/test/plantuml/graph_hard/plantuml_29.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c550b270a25453c9a189a83abc07759baa754653
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_29.txt
@@ -0,0 +1,39 @@
+<Antenna Maintenance, connectedTo, Fraudulent Call Blocking>
+<Base Station Installation, partOf, Broadband Provisioning>
+<Base Station Installation, renews, Network Upgrade>
+<Bill Generation, connectedTo, Payment Received>
+<Call Recording, connectedTo, Customer Relationship Management>
+<Customer Relationship Management, connectedTo, Number Porting>
+<Customer Support, connectedTo, SIM Registration>
+<Fraudulent Call Blocking, connectedTo, Call Recording>
+<Fraudulent Call Blocking, connectedTo, Number Porting>
+<IoT Device Connection, connectedTo, Service Complaint>
+<IoT Device Connection, partOf, Speed Throttling>
+<Issue Resolution, connectedTo, IoT Device Connection>
+<Issue Resolution, partOf, Speed Throttling>
+<MMS Transmission, resolves, Customer Support>
+<Mobile Top_up, connectedTo, Service Level Agreement>
+<Network Upgrade, generates, Call Recording>
+<Network Upgrade, partOf, Broadband Provisioning>
+<Number Porting, connectedTo, Issue Resolution>
+<Number Porting, connectedTo, Mobile Top_up>
+<Payment Received, connectedTo, SMS Delivery>
+<Plan Renewal, connectedTo, VoIP Service>
+<Plan Selection, connectedTo, Base Station Installation>
+<Plan Selection, connectedTo, Plan Suspension>
+<Plan Selection, suspends, Number Porting>
+<Plan Suspension, connectedTo, Bill Generation>
+<Plan Suspension, connectedTo, Payment Received>
+<Roaming Activation, connectedTo, Call Recording>
+<Roaming Activation, connectedTo, Fraudulent Call Blocking>
+<Roaming Activation, connectedTo, Plan Renewal>
+<Roaming Activation, connectedTo, SIM Registration>
+<SIM Registration, connectedTo, Antenna Maintenance>
+<SMS Delivery, connectedTo, Roaming Activation>
+<Service Activation Request, connectedTo, Payment Received>
+<Service Activation Request, connectedTo, Plan Selection>
+<Service Complaint, connectedTo, Usage Monitoring>
+<Service Complaint, partOf, Speed Throttling>
+<Usage Monitoring, connectedTo, SMS Delivery>
+<Usage Monitoring, partOf, Speed Throttling>
+<VoIP Service, connectedTo, MMS Transmission>
diff --git a/test/plantuml/graph_hard/plantuml_290.puml b/test/plantuml/graph_hard/plantuml_290.puml
new file mode 100644
index 0000000000000000000000000000000000000000..d5f75505839116aecb259bb3cde32d86057a516e
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_290.puml
@@ -0,0 +1,79 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "User Account Management" as Group0 #F1F8E9 {
+    node "Serials Control" as nest0_0 #F9FBE7
+    cloud "Acquisitions" as nest0_1 #F9FBE7
+    frame "Digitization Projects" as nest0_2 #C9F0F0
+    frame "Technical Support for Systems" as nest0_3 #F9FBE7
+}
+rectangle "RFID System Implementation" as Group1 #FBE9E7 {
+    component "Patron Services" as nest1_0 #E8EAF6
+    node "Linked Data for Libraries" as nest1_1 #C9F0F0
+    artifact "Subject Indexing" as nest1_2 #C9F0F0
+}
+usecase "Open Access Repository Management" as N0 #C9F0F0
+database "Collection Development" as N1 #F9FBE7
+usecase "Integrated Library Systems" as N2 #E8EAF6
+component "Search Functionality" as N3 #C9F0F0
+usecase "Automated Materials Handling" as N4 #E8EAF6
+folder "Reporting and Analytics" as N5 #E8EAF6
+cloud "Data Migration" as N6 #E8EAF6
+usecase "Archival Integration" as N7 #F9FBE7
+folder "Online Public Access Catalog" as N8 #F9FBE7
+folder "Library Management Systems" as N9 #E8EAF6
+artifact "Authority Control" as N10 #C9F0F0
+rectangle "Resource Sharing Networks" as N11 #C9F0F0
+artifact "Electronic Resource Management" as N12 #F9FBE7
+rectangle "AI in Library Services" as N13 #F9FBE7
+folder "Self_Checkout Kiosks" as N14 #F9FBE7
+usecase "Personalized Recommendations" as N15 #F9FBE7
+circle " " as S0 #E8EAF6
+circle " " as S1 #F9FBE7
+circle " " as S2 #C9F0F0
+circle " " as M0 #E8EAF6
+circle " " as M1 #F9FBE7
+N0 ..[#5C6BC0]..> N1 : organizes
+N1 ..[#5C6BC0]..> N2
+N2 -[#4DD0E1]-> N3
+N3 -[#C0CA33]-> N4
+N4 -[#C0CA33]-> N5
+N5 ..[#C0CA33]..> N6
+N6 -[#5C6BC0]-> N7
+N7 ..[#4DD0E1]..> N8
+N8 -[#4DD0E1]-> N9
+N9 ..[#C0CA33]..> N10
+N10 ..[#4DD0E1]..> N11
+N11 ..[#5C6BC0]..> N12
+N12 ..[#C0CA33]..> N13
+N13 -[#C0CA33]-> N14
+N14 -[#5C6BC0]-> N15 : processes
+nest0_0 -[#5C6BC0]-> nest0_1
+nest0_1 ..[#000000]..> nest0_2 : accesses
+nest0_2 ..[#5C6BC0]..> nest0_3
+N12 -[#C0CA33]-> nest0_0
+nest0_3 ..[#000000]..> N13
+nest1_0 ..[#C0CA33]..> nest1_1 : fines
+nest1_1 -[#4DD0E1]-> nest1_2
+N7 -[#C0CA33]-> nest1_0
+nest1_2 ..[#4DD0E1]..> N13
+N7 ..[#000000]..> S0
+S0 -[#000000]-> N14
+S0 ..[#5C6BC0]..> N13
+S0 -[#4DD0E1]-> N11
+N4 ..[#C0CA33]..> S1
+S1 -[#C0CA33]-> N15
+S1 ..[#5C6BC0]..> N9
+N12 ..[#000000]..> S2
+S2 -[#C0CA33]-> N15
+S2 ..[#000000]..> N14
+N2 ..[#000000]..> M0
+N3 ..[#000000]..> M0
+N0 -[#C0CA33]-> M0
+M0 ..[#000000]..> N7
+N1 ..[#C0CA33]..> M1
+N2 -[#000000]-> M1
+N6 -[#000000]-> M1
+M1 ..[#000000]..> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_290.txt b/test/plantuml/graph_hard/plantuml_290.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e8d6da75cb811bbbbbd5a1c621c7221cfcd85cfa
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_290.txt
@@ -0,0 +1,44 @@
+<AI in Library Services, connectedTo, Self_Checkout Kiosks>
+<Acquisitions, accesses, Digitization Projects>
+<Acquisitions, partOf, User Account Management>
+<Archival Integration, connectedTo, AI in Library Services>
+<Archival Integration, connectedTo, Online Public Access Catalog>
+<Archival Integration, connectedTo, Patron Services>
+<Archival Integration, connectedTo, Resource Sharing Networks>
+<Archival Integration, connectedTo, Self_Checkout Kiosks>
+<Authority Control, connectedTo, Resource Sharing Networks>
+<Automated Materials Handling, connectedTo, Library Management Systems>
+<Automated Materials Handling, connectedTo, Personalized Recommendations>
+<Automated Materials Handling, connectedTo, Reporting and Analytics>
+<Collection Development, connectedTo, Integrated Library Systems>
+<Collection Development, connectedTo, Library Management Systems>
+<Data Migration, connectedTo, Archival Integration>
+<Data Migration, connectedTo, Library Management Systems>
+<Digitization Projects, connectedTo, Technical Support for Systems>
+<Digitization Projects, partOf, User Account Management>
+<Electronic Resource Management, connectedTo, AI in Library Services>
+<Electronic Resource Management, connectedTo, Personalized Recommendations>
+<Electronic Resource Management, connectedTo, Self_Checkout Kiosks>
+<Electronic Resource Management, connectedTo, Serials Control>
+<Integrated Library Systems, connectedTo, Archival Integration>
+<Integrated Library Systems, connectedTo, Library Management Systems>
+<Integrated Library Systems, connectedTo, Search Functionality>
+<Library Management Systems, connectedTo, Authority Control>
+<Linked Data for Libraries, connectedTo, Subject Indexing>
+<Linked Data for Libraries, partOf, RFID System Implementation>
+<Online Public Access Catalog, connectedTo, Library Management Systems>
+<Open Access Repository Management, connectedTo, Archival Integration>
+<Open Access Repository Management, organizes, Collection Development>
+<Patron Services, fines, Linked Data for Libraries>
+<Patron Services, partOf, RFID System Implementation>
+<Reporting and Analytics, connectedTo, Data Migration>
+<Resource Sharing Networks, connectedTo, Electronic Resource Management>
+<Search Functionality, connectedTo, Archival Integration>
+<Search Functionality, connectedTo, Automated Materials Handling>
+<Self_Checkout Kiosks, processes, Personalized Recommendations>
+<Serials Control, connectedTo, Acquisitions>
+<Serials Control, partOf, User Account Management>
+<Subject Indexing, connectedTo, AI in Library Services>
+<Subject Indexing, partOf, RFID System Implementation>
+<Technical Support for Systems, connectedTo, AI in Library Services>
+<Technical Support for Systems, partOf, User Account Management>
diff --git a/test/plantuml/graph_hard/plantuml_291.puml b/test/plantuml/graph_hard/plantuml_291.puml
new file mode 100644
index 0000000000000000000000000000000000000000..192991cfd4f6d1a3e64a59a5d15ffbd09d9e697f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_291.puml
@@ -0,0 +1,74 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Federated Search" as Group0 #FFF3E0 {
+    database "Digital Resource Management" as nest0_0 #E6EE9C
+    database "Open Access Repository Management" as nest0_1 #E6EE9C
+}
+rectangle "Automated Materials Handling" as Group1 #FFF3E0 {
+    cloud "Integrated Library Systems" as nest1_0 #C9F0F0
+    node "Technical Support for Systems" as nest1_1 #E6EE9C
+    folder "Collection Development" as nest1_2 #D0E0F8
+}
+database "Archival Integration" as N0 #D0E0F8
+component "System Security" as N1 #D0E0F8
+frame "Subject Indexing" as N2 #E6EE9C
+folder "Patron Services" as N3 #D0E0F8
+usecase "Self_Checkout Kiosks" as N4 #E6EE9C
+usecase "Discovery Layers" as N5 #C9F0F0
+component "Personalized Recommendations" as N6 #E6EE9C
+component "Linked Data for Libraries" as N7 #D0E0F8
+usecase "Cataloging and Classification" as N8 #D0E0F8
+database "Serials Control" as N9 #E6EE9C
+node "Interlibrary Loan" as N10 #C9F0F0
+folder "Reference Desk Support" as N11 #C9F0F0
+cloud "Database Management" as N12 #D0E0F8
+frame "Reporting and Analytics" as N13 #D0E0F8
+folder "Acquisitions" as N14 #E6EE9C
+frame "Circulation Management" as N15 #C9F0F0
+frame "Search Functionality" as N16 #E6EE9C
+folder "User Account Management" as N17 #C9F0F0
+rectangle "Authority Control" as N18 #C9F0F0
+circle " " as S0 #C9F0F0
+circle " " as S1 #D0E0F8
+circle " " as M1 #D0E0F8
+N0 ..[#000000]..> N1
+N1 -[#000000]-> N2
+N2 ..[#000000]..> N3
+N3 ..[#CDDC39]..> N4
+N4 -[#4285F4]-> N5 : circulates
+N5 -[#000000]-> N6 : acquires
+N6 -[#4285F4]-> N7
+N7 ..[#000000]..> N8
+N8 ..[#000000]..> N9
+N9 -[#4DD0E1]-> N10
+N10 -[#4285F4]-> N11
+N11 -[#4DD0E1]-> N12
+N12 ..[#CDDC39]..> N13
+N13 -[#000000]-> N14
+N14 -[#CDDC39]-> N15
+N15 -[#000000]-> N16
+N16 ..[#4DD0E1]..> N17
+N17 -[#4DD0E1]-> N18
+nest0_0 -[#4285F4]-> nest0_1
+N5 ..[#4285F4]..> nest0_0
+nest0_1 -[#CDDC39]-> N2
+nest1_0 -[#4DD0E1]-> nest1_1 : protects
+nest1_1 ..[#4DD0E1]..> nest1_2
+N8 -[#4DD0E1]-> nest1_0
+nest1_2 ..[#CDDC39]..> N16
+N3 ..[#4DD0E1]..> S0
+S0 -[#CDDC39]-> N9
+S0 -[#CDDC39]-> N6
+S0 -[#CDDC39]-> N17
+S0 ..[#000000]..> N5
+N13 -[#CDDC39]-> S1
+S1 -[#4285F4]-> N16 : reserves
+S1 -[#000000]-> N15
+S1 ..[#4DD0E1]..> N17
+S1 ..[#CDDC39]..> N18
+N6 -[#4285F4]-> M1
+N0 ..[#CDDC39]..> M1
+M1 ..[#4285F4]..> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_291.txt b/test/plantuml/graph_hard/plantuml_291.txt
new file mode 100644
index 0000000000000000000000000000000000000000..75fbedfd23712671e19dd6c8da836ca1bb8adfcc
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_291.txt
@@ -0,0 +1,40 @@
+<Acquisitions, connectedTo, Circulation Management>
+<Archival Integration, connectedTo, Serials Control>
+<Archival Integration, connectedTo, System Security>
+<Cataloging and Classification, connectedTo, Integrated Library Systems>
+<Cataloging and Classification, connectedTo, Serials Control>
+<Circulation Management, connectedTo, Search Functionality>
+<Collection Development, connectedTo, Search Functionality>
+<Collection Development, partOf, Automated Materials Handling>
+<Database Management, connectedTo, Reporting and Analytics>
+<Digital Resource Management, connectedTo, Open Access Repository Management>
+<Digital Resource Management, partOf, Federated Search>
+<Discovery Layers, acquires, Personalized Recommendations>
+<Discovery Layers, connectedTo, Digital Resource Management>
+<Integrated Library Systems, partOf, Automated Materials Handling>
+<Integrated Library Systems, protects, Technical Support for Systems>
+<Interlibrary Loan, connectedTo, Reference Desk Support>
+<Linked Data for Libraries, connectedTo, Cataloging and Classification>
+<Open Access Repository Management, connectedTo, Subject Indexing>
+<Open Access Repository Management, partOf, Federated Search>
+<Patron Services, connectedTo, Discovery Layers>
+<Patron Services, connectedTo, Personalized Recommendations>
+<Patron Services, connectedTo, Self_Checkout Kiosks>
+<Patron Services, connectedTo, Serials Control>
+<Patron Services, connectedTo, User Account Management>
+<Personalized Recommendations, connectedTo, Linked Data for Libraries>
+<Personalized Recommendations, connectedTo, Serials Control>
+<Reference Desk Support, connectedTo, Database Management>
+<Reporting and Analytics, connectedTo, Acquisitions>
+<Reporting and Analytics, connectedTo, Authority Control>
+<Reporting and Analytics, connectedTo, Circulation Management>
+<Reporting and Analytics, connectedTo, User Account Management>
+<Reporting and Analytics, reserves, Search Functionality>
+<Search Functionality, connectedTo, User Account Management>
+<Self_Checkout Kiosks, circulates, Discovery Layers>
+<Serials Control, connectedTo, Interlibrary Loan>
+<Subject Indexing, connectedTo, Patron Services>
+<System Security, connectedTo, Subject Indexing>
+<Technical Support for Systems, connectedTo, Collection Development>
+<Technical Support for Systems, partOf, Automated Materials Handling>
+<User Account Management, connectedTo, Authority Control>
diff --git a/test/plantuml/graph_hard/plantuml_292.puml b/test/plantuml/graph_hard/plantuml_292.puml
new file mode 100644
index 0000000000000000000000000000000000000000..0cc2fa938c3b35325cc7ebe12b560b072789ae37
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_292.puml
@@ -0,0 +1,73 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Arrangement and Description" as Group0 #FCE4EC {
+    folder "Long_Term Digital Preservation" as nest0_0 #D3F7F9
+    folder "Database Management" as nest0_1 #FFFDE7
+    component "Environmental Control" as nest0_2 #F0F4C3
+    artifact "Disaster Preparedness for Archives" as nest0_3 #FFFDE7
+}
+rectangle "Researchers Support" as Group1 #E0F2F1 {
+    folder "Security of Holdings" as nest1_0 #D3F7F9
+    database "Legal and Ethical Compliance" as nest1_1 #F0F4C3
+}
+folder "Records Management Integration" as N0 #FFFDE7
+cloud "Data Migration for Digital Archives" as N1 #FFFDE7
+node "Exhibition Curation" as N2 #F0F4C3
+cloud "Emulation for Obsolete Formats" as N3 #D3F7F9
+database "Born_Digital Archiving" as N4 #D3F7F9
+component "Acquisition and Accessioning" as N5 #FFFDE7
+folder "Records Retention Scheduling" as N6 #FFFDE7
+component "User Interface for Digital Archives" as N7 #FFFDE7
+component "Appraisal and Selection" as N8 #FFFDE7
+frame "Intellectual Property Rights Management" as N9 #D3F7F9
+node "Metadata Creation" as N10 #FFFDE7
+database "Records Transfer Processes" as N11 #D3F7F9
+node "Community Archiving Projects" as N12 #F0F4C3
+cloud "Oral History Collection" as N13 #F0F4C3
+rectangle "Digital Asset Management" as N14 #D3F7F9
+database "Serialization and Item Control" as N15 #FFFDE7
+circle " " as S0 #F0F4C3
+circle " " as S1 #F0F4C3
+circle " " as M0 #F0F4C3
+circle " " as M1 #D3F7F9
+N0 -[#FFF176]-> N1
+N1 ..[#AED581]..> N2 : manages
+N2 ..[#000000]..> N3 : complies
+N3 -[#80DDEA]-> N4
+N4 ..[#000000]..> N5
+N5 -[#000000]-> N6 : policies
+N6 ..[#FFF176]..> N7
+N7 ..[#AED581]..> N8
+N8 ..[#80DDEA]..> N9
+N9 -[#FFF176]-> N10
+N10 -[#FFF176]-> N11
+N11 ..[#80DDEA]..> N12
+N12 -[#80DDEA]-> N13
+N13 ..[#FFF176]..> N14
+N14 ..[#AED581]..> N15
+nest0_0 -[#AED581]-> nest0_1
+nest0_1 ..[#AED581]..> nest0_2
+nest0_2 ..[#80DDEA]..> nest0_3
+N7 ..[#FFF176]..> nest0_0
+nest0_3 ..[#80DDEA]..> N1
+nest1_0 ..[#AED581]..> nest1_1
+N1 -[#FFF176]-> nest1_0
+nest1_1 -[#000000]-> N7
+N0 -[#80DDEA]-> S0
+S0 ..[#80DDEA]..> N12
+S0 -[#80DDEA]-> N6
+N11 -[#80DDEA]-> S1
+S1 ..[#AED581]..> N15
+S1 ..[#80DDEA]..> N13
+S1 ..[#AED581]..> N14
+N9 ..[#AED581]..> M0
+N6 -[#FFF176]-> M0
+M0 -[#80DDEA]-> N15
+N0 ..[#AED581]..> M1
+N4 -[#FFF176]-> M1
+N3 ..[#FFF176]..> M1
+N1 ..[#80DDEA]..> M1
+M1 ..[#FFF176]..> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_292.txt b/test/plantuml/graph_hard/plantuml_292.txt
new file mode 100644
index 0000000000000000000000000000000000000000..05856091c396891e570e919165d5794de7fee470
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_292.txt
@@ -0,0 +1,39 @@
+<Acquisition and Accessioning, policies, Records Retention Scheduling>
+<Appraisal and Selection, connectedTo, Intellectual Property Rights Management>
+<Born_Digital Archiving, connectedTo, Acquisition and Accessioning>
+<Born_Digital Archiving, connectedTo, Records Retention Scheduling>
+<Community Archiving Projects, connectedTo, Oral History Collection>
+<Data Migration for Digital Archives, connectedTo, Records Retention Scheduling>
+<Data Migration for Digital Archives, connectedTo, Security of Holdings>
+<Data Migration for Digital Archives, manages, Exhibition Curation>
+<Database Management, connectedTo, Environmental Control>
+<Database Management, partOf, Arrangement and Description>
+<Digital Asset Management, connectedTo, Serialization and Item Control>
+<Disaster Preparedness for Archives, connectedTo, Data Migration for Digital Archives>
+<Disaster Preparedness for Archives, partOf, Arrangement and Description>
+<Emulation for Obsolete Formats, connectedTo, Born_Digital Archiving>
+<Emulation for Obsolete Formats, connectedTo, Records Retention Scheduling>
+<Environmental Control, connectedTo, Disaster Preparedness for Archives>
+<Environmental Control, partOf, Arrangement and Description>
+<Exhibition Curation, complies, Emulation for Obsolete Formats>
+<Intellectual Property Rights Management, connectedTo, Metadata Creation>
+<Intellectual Property Rights Management, connectedTo, Serialization and Item Control>
+<Legal and Ethical Compliance, connectedTo, User Interface for Digital Archives>
+<Legal and Ethical Compliance, partOf, Researchers Support>
+<Long_Term Digital Preservation, connectedTo, Database Management>
+<Long_Term Digital Preservation, partOf, Arrangement and Description>
+<Metadata Creation, connectedTo, Records Transfer Processes>
+<Oral History Collection, connectedTo, Digital Asset Management>
+<Records Management Integration, connectedTo, Community Archiving Projects>
+<Records Management Integration, connectedTo, Data Migration for Digital Archives>
+<Records Management Integration, connectedTo, Records Retention Scheduling>
+<Records Retention Scheduling, connectedTo, Serialization and Item Control>
+<Records Retention Scheduling, connectedTo, User Interface for Digital Archives>
+<Records Transfer Processes, connectedTo, Community Archiving Projects>
+<Records Transfer Processes, connectedTo, Digital Asset Management>
+<Records Transfer Processes, connectedTo, Oral History Collection>
+<Records Transfer Processes, connectedTo, Serialization and Item Control>
+<Security of Holdings, connectedTo, Legal and Ethical Compliance>
+<Security of Holdings, partOf, Researchers Support>
+<User Interface for Digital Archives, connectedTo, Appraisal and Selection>
+<User Interface for Digital Archives, connectedTo, Long_Term Digital Preservation>
diff --git a/test/plantuml/graph_hard/plantuml_293.puml b/test/plantuml/graph_hard/plantuml_293.puml
new file mode 100644
index 0000000000000000000000000000000000000000..0e2edcc01e09e458282983ba40efd163ebca29ca
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_293.puml
@@ -0,0 +1,68 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Acquisition and Accessioning" as Group0 #E0F2F1 {
+    rectangle "Public Access Systems" as nest0_0 #F1F8FF
+    cloud "Metadata Creation" as nest0_1 #FFCDD2
+    folder "Digital Forensics for Archives" as nest0_2 #F1F8FF
+    database "Archival Advocacy" as nest0_3 #FFCDD2
+}
+rectangle "Legal and Ethical Compliance" as Group1 #FFF3E0 {
+    cloud "Authority Control for Archival Names" as nest1_0 #B2EBF2
+    database "Database Management" as nest1_1 #B2EBF2
+    folder "Born_Digital Archiving" as nest1_2 #F1F8FF
+    folder "Arrangement and Description" as nest1_3 #F1F8FF
+}
+frame "User Interface for Digital Archives" as N0 #F1F8FF
+node "Web Archiving" as N1 #F1F8FF
+folder "Finding Aid Creation" as N2 #B2EBF2
+folder "Records Transfer Processes" as N3 #B2EBF2
+database "Subject Indexing for Archives" as N4 #FFCDD2
+database "Digital Asset Management" as N5 #F1F8FF
+frame "Provenance Tracking" as N6 #F1F8FF
+cloud "Community Archiving Projects" as N7 #F1F8FF
+cloud "Intellectual Property Rights Management" as N8 #F1F8FF
+frame "Digitization of Records" as N9 #B2EBF2
+folder "Conservation Treatment" as N10 #B2EBF2
+frame "Researchers Support" as N11 #FFCDD2
+circle " " as S0 #F1F8FF
+circle " " as S1 #FFCDD2
+circle " " as M1 #FFCDD2
+circle " " as M2 #FFCDD2
+N0 -[#000000]-> N1
+N1 ..[#42A5F5]..> N2
+N2 ..[#42A5F5]..> N3
+N3 ..[#00BCD4]..> N4
+N4 ..[#00BCD4]..> N5
+N5 ..[#00BCD4]..> N6 : develops
+N6 ..[#00BCD4]..> N7
+N7 -[#00BCD4]-> N8
+N8 ..[#000000]..> N9
+N9 -[#F44336]-> N10
+N10 -[#00BCD4]-> N11
+nest0_0 -[#42A5F5]-> nest0_1
+nest0_1 -[#00BCD4]-> nest0_2
+nest0_2 -[#000000]-> nest0_3
+N5 -[#F44336]-> nest0_0
+nest0_3 -[#F44336]-> N4
+nest1_0 -[#00BCD4]-> nest1_1
+nest1_1 ..[#42A5F5]..> nest1_2
+nest1_2 -[#00BCD4]-> nest1_3
+N2 -[#F44336]-> nest1_0
+nest1_3 -[#42A5F5]-> N5
+N4 -[#000000]-> S0
+S0 -[#00BCD4]-> N11
+S0 ..[#42A5F5]..> N7
+N5 -[#00BCD4]-> S1
+S1 -[#00BCD4]-> N7
+S1 -[#42A5F5]-> N9
+S1 ..[#F44336]..> N10
+N3 -[#42A5F5]-> M1
+N1 -[#42A5F5]-> M1
+N5 -[#42A5F5]-> M1
+M1 ..[#00BCD4]..> N7
+N3 ..[#F44336]..> M2
+N1 ..[#42A5F5]..> M2
+M2 ..[#42A5F5]..> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_293.txt b/test/plantuml/graph_hard/plantuml_293.txt
new file mode 100644
index 0000000000000000000000000000000000000000..923c2e968bdcca52849e84c240f6bd19e2f367a5
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_293.txt
@@ -0,0 +1,38 @@
+<Archival Advocacy, connectedTo, Subject Indexing for Archives>
+<Archival Advocacy, partOf, Acquisition and Accessioning>
+<Arrangement and Description, connectedTo, Digital Asset Management>
+<Arrangement and Description, partOf, Legal and Ethical Compliance>
+<Authority Control for Archival Names, connectedTo, Database Management>
+<Authority Control for Archival Names, partOf, Legal and Ethical Compliance>
+<Born_Digital Archiving, connectedTo, Arrangement and Description>
+<Born_Digital Archiving, partOf, Legal and Ethical Compliance>
+<Community Archiving Projects, connectedTo, Intellectual Property Rights Management>
+<Conservation Treatment, connectedTo, Researchers Support>
+<Database Management, connectedTo, Born_Digital Archiving>
+<Database Management, partOf, Legal and Ethical Compliance>
+<Digital Asset Management, connectedTo, Community Archiving Projects>
+<Digital Asset Management, connectedTo, Conservation Treatment>
+<Digital Asset Management, connectedTo, Digitization of Records>
+<Digital Asset Management, connectedTo, Public Access Systems>
+<Digital Asset Management, develops, Provenance Tracking>
+<Digital Forensics for Archives, connectedTo, Archival Advocacy>
+<Digital Forensics for Archives, partOf, Acquisition and Accessioning>
+<Digitization of Records, connectedTo, Conservation Treatment>
+<Finding Aid Creation, connectedTo, Authority Control for Archival Names>
+<Finding Aid Creation, connectedTo, Records Transfer Processes>
+<Intellectual Property Rights Management, connectedTo, Digitization of Records>
+<Metadata Creation, connectedTo, Digital Forensics for Archives>
+<Metadata Creation, partOf, Acquisition and Accessioning>
+<Provenance Tracking, connectedTo, Community Archiving Projects>
+<Public Access Systems, connectedTo, Metadata Creation>
+<Public Access Systems, partOf, Acquisition and Accessioning>
+<Records Transfer Processes, connectedTo, Community Archiving Projects>
+<Records Transfer Processes, connectedTo, Digital Asset Management>
+<Records Transfer Processes, connectedTo, Subject Indexing for Archives>
+<Subject Indexing for Archives, connectedTo, Community Archiving Projects>
+<Subject Indexing for Archives, connectedTo, Digital Asset Management>
+<Subject Indexing for Archives, connectedTo, Researchers Support>
+<User Interface for Digital Archives, connectedTo, Web Archiving>
+<Web Archiving, connectedTo, Community Archiving Projects>
+<Web Archiving, connectedTo, Digital Asset Management>
+<Web Archiving, connectedTo, Finding Aid Creation>
diff --git a/test/plantuml/graph_hard/plantuml_294.puml b/test/plantuml/graph_hard/plantuml_294.puml
new file mode 100644
index 0000000000000000000000000000000000000000..059b037478b27d6d4ce0009425722f903fb67430
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_294.puml
@@ -0,0 +1,74 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Archival Advocacy" as Group0 #FCE4EC {
+    folder "Data Migration for Digital Archives" as nest0_0 #E1F5FE
+    folder "Community Archiving Projects" as nest0_1 #E1F5FE
+    cloud "Database Management" as nest0_2 #EDE7F6
+    component "Public Access Systems" as nest0_3 #E8EAF6
+}
+rectangle "Preservation Planning" as Group1 #F1F8E9 {
+    usecase "Oral History Collection" as nest1_0 #EDE7F6
+    usecase "Access and Reference Services" as nest1_1 #EDE7F6
+    frame "Finding Aid Creation" as nest1_2 #E1F5FE
+    component "Conservation Treatment" as nest1_3 #E1F5FE
+}
+database "Long_Term Digital Preservation" as N0 #EDE7F6
+usecase "Digitization of Records" as N1 #EDE7F6
+cloud "Acquisition and Accessioning" as N2 #E8EAF6
+component "Digital Forensics for Archives" as N3 #EDE7F6
+artifact "Environmental Control" as N4 #E1F5FE
+folder "Intellectual Property Rights Management" as N5 #E1F5FE
+usecase "Metadata Creation" as N6 #E8EAF6
+rectangle "Subject Indexing for Archives" as N7 #EDE7F6
+cloud "Appraisal and Selection" as N8 #E1F5FE
+database "Web Archiving" as N9 #E1F5FE
+cloud "Records Retention Scheduling" as N10 #EDE7F6
+folder "Arrangement and Description" as N11 #E1F5FE
+component "Digital Asset Management" as N12 #E1F5FE
+folder "Records Management Integration" as N13 #E1F5FE
+folder "Security of Holdings" as N14 #EDE7F6
+circle " " as S0 #E1F5FE
+circle " " as S1 #E1F5FE
+circle " " as M0 #EDE7F6
+N0 -[#4FC3F7]-> N1
+N1 ..[#9575CD]..> N2
+N2 -[#4FC3F7]-> N3
+N3 ..[#9575CD]..> N4
+N4 ..[#4FC3F7]..> N5
+N5 -[#4FC3F7]-> N6
+N6 ..[#000000]..> N7
+N7 ..[#5C6BC0]..> N8
+N8 ..[#9575CD]..> N9
+N9 -[#4FC3F7]-> N10
+N10 -[#9575CD]-> N11
+N11 -[#9575CD]-> N12
+N12 ..[#4FC3F7]..> N13
+N13 ..[#9575CD]..> N14
+nest0_0 ..[#5C6BC0]..> nest0_1
+nest0_1 ..[#4FC3F7]..> nest0_2
+nest0_2 -[#4FC3F7]-> nest0_3
+N3 -[#4FC3F7]-> nest0_0
+nest0_3 ..[#000000]..> N12 : transcribes
+nest1_0 ..[#4FC3F7]..> nest1_1
+nest1_1 -[#9575CD]-> nest1_2
+nest1_2 -[#4FC3F7]-> nest1_3
+N10 ..[#000000]..> nest1_0
+nest1_3 ..[#000000]..> N10
+N3 ..[#000000]..> S0
+S0 -[#5C6BC0]-> N14 : researches
+S0 -[#000000]-> N8
+S0 ..[#000000]..> N10
+S0 ..[#4FC3F7]..> N6
+N7 -[#5C6BC0]-> S1
+S1 -[#5C6BC0]-> N14
+S1 ..[#4FC3F7]..> N11
+S1 ..[#9575CD]..> N10
+S1 -[#9575CD]-> N12
+N1 ..[#4FC3F7]..> M0
+N0 -[#5C6BC0]-> M0
+N5 ..[#9575CD]..> M0 : acquires
+N4 -[#4FC3F7]-> M0 : collects
+M0 -[#9575CD]-> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_295.puml b/test/plantuml/graph_hard/plantuml_295.puml
new file mode 100644
index 0000000000000000000000000000000000000000..d6ea97f18ebb2600d559a268753544ce0e02d101
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_295.puml
@@ -0,0 +1,76 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Conservation Technology" as Group0 #E3F2FD {
+    database "Research Databases Access" as nest0_0 #EFE6FF
+    artifact "Fundraising Technology" as nest0_1 #EFE6FF
+    artifact "Predictive Maintenance for Tech" as nest0_2 #E6EE9C
+}
+rectangle "Cybersecurity for Museum Data" as Group1 #F3E5F5 {
+    cloud "Gamification of Museum Experiences" as nest1_0 #E6EE9C
+    rectangle "Virtual Reality Experiences" as nest1_1 #E6EE9C
+    component "Member Management Systems" as nest1_2 #E0E6E9
+}
+node "Digital Storytelling" as N0 #E6EE9C
+component "Augmented Reality Experiences" as N1 #E0E6E9
+usecase "Digital Signage" as N2 #E0E6E9
+rectangle "3D Scanning of Artifacts" as N3 #E6EE9C
+cloud "Crowdsourcing for Collections" as N4 #E0E6E9
+cloud "Community Engagement Platforms" as N5 #E6EE9C
+node "Content Management Systems" as N6 #E0E6E9
+component "Visitor Analytics" as N7 #E0E6E9
+frame "Collection Digitization" as N8 #E0E6E9
+node "Accessibility Technology for Visitors" as N9 #E0E6E9
+cloud "Educational Technology Integration" as N10 #EFE6FF
+usecase "Interactive Display Development" as N11 #E6EE9C
+artifact "Virtual Tours" as N12 #E0E6E9
+cloud "Soundscape Design" as N13 #EFE6FF
+folder "Security Systems Integration" as N14 #E0E6E9
+frame "Interactive Kiosks" as N15 #EFE6FF
+frame "3D Printing for Replicas" as N16 #E6EE9C
+circle " " as S0 #EFE6FF
+circle " " as S1 #EFE6FF
+circle " " as M0 #E0E6E9
+circle " " as M2 #EFE6FF
+N0 ..[#AABEC6]..> N1
+N1 -[#000000]-> N2
+N2 ..[#000000]..> N3
+N3 ..[#000000]..> N4
+N4 ..[#AABEC6]..> N5
+N5 ..[#CDDC39]..> N6
+N6 ..[#AABEC6]..> N7
+N7 ..[#CDDC39]..> N8
+N8 ..[#000000]..> N9
+N9 ..[#AABEC6]..> N10
+N10 ..[#000000]..> N11
+N11 -[#C2B2F0]-> N12
+N12 -[#C2B2F0]-> N13
+N13 ..[#C2B2F0]..> N14
+N14 -[#C2B2F0]-> N15
+N15 -[#CDDC39]-> N16
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 -[#000000]-> nest0_2
+N14 ..[#CDDC39]..> nest0_0
+nest0_2 ..[#AABEC6]..> N16
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 -[#C2B2F0]-> nest1_2
+N12 -[#AABEC6]-> nest1_0 : communicates
+nest1_2 -[#AABEC6]-> N7
+N2 -[#C2B2F0]-> S0
+S0 -[#CDDC39]-> N13
+S0 ..[#AABEC6]..> N15
+S0 ..[#C2B2F0]..> N9
+S0 ..[#CDDC39]..> N10
+N3 ..[#000000]..> S1
+S1 -[#CDDC39]-> N5
+S1 ..[#C2B2F0]..> N10
+S1 -[#000000]-> N14
+S1 ..[#C2B2F0]..> N7
+N1 -[#AABEC6]-> M0
+N0 -[#C2B2F0]-> M0
+M0 ..[#000000]..> N3
+N1 ..[#AABEC6]..> M2
+N0 ..[#000000]..> M2
+M2 ..[#CDDC39]..> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_295.txt b/test/plantuml/graph_hard/plantuml_295.txt
new file mode 100644
index 0000000000000000000000000000000000000000..24adb08978a29e818819747b445c23cbd8e9bfe4
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_295.txt
@@ -0,0 +1,40 @@
+<3D Scanning of Artifacts, connectedTo, Community Engagement Platforms>
+<3D Scanning of Artifacts, connectedTo, Crowdsourcing for Collections>
+<3D Scanning of Artifacts, connectedTo, Educational Technology Integration>
+<3D Scanning of Artifacts, connectedTo, Security Systems Integration>
+<3D Scanning of Artifacts, connectedTo, Visitor Analytics>
+<Accessibility Technology for Visitors, connectedTo, Educational Technology Integration>
+<Augmented Reality Experiences, connectedTo, 3D Scanning of Artifacts>
+<Augmented Reality Experiences, connectedTo, Digital Signage>
+<Collection Digitization, connectedTo, Accessibility Technology for Visitors>
+<Community Engagement Platforms, connectedTo, Content Management Systems>
+<Content Management Systems, connectedTo, Visitor Analytics>
+<Crowdsourcing for Collections, connectedTo, Community Engagement Platforms>
+<Digital Signage, connectedTo, 3D Scanning of Artifacts>
+<Digital Signage, connectedTo, Accessibility Technology for Visitors>
+<Digital Signage, connectedTo, Educational Technology Integration>
+<Digital Signage, connectedTo, Interactive Kiosks>
+<Digital Signage, connectedTo, Soundscape Design>
+<Digital Storytelling, connectedTo, 3D Scanning of Artifacts>
+<Digital Storytelling, connectedTo, Augmented Reality Experiences>
+<Educational Technology Integration, connectedTo, Interactive Display Development>
+<Fundraising Technology, connectedTo, Predictive Maintenance for Tech>
+<Fundraising Technology, partOf, Conservation Technology>
+<Gamification of Museum Experiences, connectedTo, Virtual Reality Experiences>
+<Gamification of Museum Experiences, partOf, Cybersecurity for Museum Data>
+<Interactive Display Development, connectedTo, Virtual Tours>
+<Interactive Kiosks, connectedTo, 3D Printing for Replicas>
+<Member Management Systems, connectedTo, Visitor Analytics>
+<Member Management Systems, partOf, Cybersecurity for Museum Data>
+<Predictive Maintenance for Tech, connectedTo, 3D Printing for Replicas>
+<Predictive Maintenance for Tech, partOf, Conservation Technology>
+<Research Databases Access, connectedTo, Fundraising Technology>
+<Research Databases Access, partOf, Conservation Technology>
+<Security Systems Integration, connectedTo, Interactive Kiosks>
+<Security Systems Integration, connectedTo, Research Databases Access>
+<Soundscape Design, connectedTo, Security Systems Integration>
+<Virtual Reality Experiences, connectedTo, Member Management Systems>
+<Virtual Reality Experiences, partOf, Cybersecurity for Museum Data>
+<Virtual Tours, communicates, Gamification of Museum Experiences>
+<Virtual Tours, connectedTo, Soundscape Design>
+<Visitor Analytics, connectedTo, Collection Digitization>
diff --git a/test/plantuml/graph_hard/plantuml_296.puml b/test/plantuml/graph_hard/plantuml_296.puml
new file mode 100644
index 0000000000000000000000000000000000000000..8182e68bf2a39c285a1fec9fd1e4db52929e42c9
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_296.puml
@@ -0,0 +1,70 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "3D Printing for Replicas" as Group0 #E3F2FD {
+    frame "Gamification of Museum Experiences" as nest0_0 #FCE4EC
+    artifact "Digital Archiving" as nest0_1 #E4E0DF
+    node "Wayfinding Systems" as nest0_2 #E0F2F1
+    rectangle "Predictive Maintenance for Tech" as nest0_3 #E4E0DF
+}
+rectangle "Interactive Kiosks" as Group1 #E0F2F1 {
+    folder "3D Scanning of Artifacts" as nest1_0 #FCE4EC
+    folder "Accessibility Technology for Visitors" as nest1_1 #E4E0DF
+    frame "Visitor Analytics" as nest1_2 #FCE4EC
+    frame "Security Systems Integration" as nest1_3 #E0F2F1
+}
+usecase "Virtual Tours" as N0 #E0F2F1
+cloud "Digital Preservation Strategies" as N1 #E4E0DF
+node "Crowdsourcing for Collections" as N2 #E0F2F1
+database "User Experience Design" as N3 #E0F2F1
+component "Visitor Flow Analysis" as N4 #E4E0DF
+folder "Multisensory Exhibits" as N5 #E0F2F1
+frame "Digital Storytelling" as N6 #E0F2F1
+rectangle "Interactive Display Development" as N7 #FCE4EC
+folder "Robotics in Exhibits" as N8 #E0F2F1
+folder "Ticketing and Visitor Systems" as N9 #FCE4EC
+folder "RFID for Object Tracking" as N10 #FCE4EC
+database "Content Management Systems" as N11 #FCE4EC
+usecase "Fundraising Technology" as N12 #E0F2F1
+circle " " as S0 #E0F2F1
+circle " " as S1 #FCE4EC
+circle " " as S2 #FCE4EC
+circle " " as M0 #FCE4EC
+N0 -[#000000]-> N1
+N1 -[#26A69A]-> N2
+N2 ..[#26A69A]..> N3
+N3 ..[#BDAFA8]..> N4
+N4 -[#26A69A]-> N5
+N5 ..[#26A69A]..> N6
+N6 -[#000000]-> N7
+N7 -[#26A69A]-> N8
+N8 -[#26A69A]-> N9 : engages
+N9 ..[#26A69A]..> N10 : manages
+N10 ..[#000000]..> N11
+N11 -[#E91E63]-> N12
+nest0_0 ..[#BDAFA8]..> nest0_1
+nest0_1 -[#E91E63]-> nest0_2 : entertains
+nest0_2 -[#E91E63]-> nest0_3
+N10 -[#E91E63]-> nest0_0
+nest0_3 -[#BDAFA8]-> N7
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 ..[#26A69A]..> nest1_2
+nest1_2 ..[#000000]..> nest1_3
+N6 -[#000000]-> nest1_0
+nest1_3 -[#E91E63]-> N7
+N1 ..[#000000]..> S0
+S0 ..[#26A69A]..> N9
+S0 ..[#BDAFA8]..> N5
+S0 ..[#000000]..> N8
+S0 ..[#000000]..> N10
+N7 ..[#BDAFA8]..> S1
+S1 -[#E91E63]-> N12
+S1 ..[#BDAFA8]..> N9
+N6 ..[#000000]..> S2
+S2 ..[#26A69A]..> N8
+S2 ..[#BDAFA8]..> N9
+N1 -[#BDAFA8]-> M0
+N0 -[#26A69A]-> M0
+M0 -[#000000]-> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_296.txt b/test/plantuml/graph_hard/plantuml_296.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b4b92d9f24d85bdf7d2fa1358edf3486f729ccc0
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_296.txt
@@ -0,0 +1,40 @@
+<3D Scanning of Artifacts, connectedTo, Accessibility Technology for Visitors>
+<3D Scanning of Artifacts, partOf, Interactive Kiosks>
+<Accessibility Technology for Visitors, connectedTo, Visitor Analytics>
+<Accessibility Technology for Visitors, partOf, Interactive Kiosks>
+<Content Management Systems, connectedTo, Fundraising Technology>
+<Crowdsourcing for Collections, connectedTo, User Experience Design>
+<Digital Archiving, entertains, Wayfinding Systems>
+<Digital Archiving, partOf, 3D Printing for Replicas>
+<Digital Preservation Strategies, connectedTo, Crowdsourcing for Collections>
+<Digital Preservation Strategies, connectedTo, Multisensory Exhibits>
+<Digital Preservation Strategies, connectedTo, RFID for Object Tracking>
+<Digital Preservation Strategies, connectedTo, Robotics in Exhibits>
+<Digital Preservation Strategies, connectedTo, Ticketing and Visitor Systems>
+<Digital Preservation Strategies, connectedTo, User Experience Design>
+<Digital Storytelling, connectedTo, 3D Scanning of Artifacts>
+<Digital Storytelling, connectedTo, Interactive Display Development>
+<Digital Storytelling, connectedTo, Robotics in Exhibits>
+<Digital Storytelling, connectedTo, Ticketing and Visitor Systems>
+<Gamification of Museum Experiences, connectedTo, Digital Archiving>
+<Gamification of Museum Experiences, partOf, 3D Printing for Replicas>
+<Interactive Display Development, connectedTo, Fundraising Technology>
+<Interactive Display Development, connectedTo, Robotics in Exhibits>
+<Interactive Display Development, connectedTo, Ticketing and Visitor Systems>
+<Multisensory Exhibits, connectedTo, Digital Storytelling>
+<Predictive Maintenance for Tech, connectedTo, Interactive Display Development>
+<Predictive Maintenance for Tech, partOf, 3D Printing for Replicas>
+<RFID for Object Tracking, connectedTo, Content Management Systems>
+<RFID for Object Tracking, connectedTo, Gamification of Museum Experiences>
+<Robotics in Exhibits, engages, Ticketing and Visitor Systems>
+<Security Systems Integration, connectedTo, Interactive Display Development>
+<Security Systems Integration, partOf, Interactive Kiosks>
+<Ticketing and Visitor Systems, manages, RFID for Object Tracking>
+<User Experience Design, connectedTo, Visitor Flow Analysis>
+<Virtual Tours, connectedTo, Digital Preservation Strategies>
+<Virtual Tours, connectedTo, User Experience Design>
+<Visitor Analytics, connectedTo, Security Systems Integration>
+<Visitor Analytics, partOf, Interactive Kiosks>
+<Visitor Flow Analysis, connectedTo, Multisensory Exhibits>
+<Wayfinding Systems, connectedTo, Predictive Maintenance for Tech>
+<Wayfinding Systems, partOf, 3D Printing for Replicas>
diff --git a/test/plantuml/graph_hard/plantuml_297.puml b/test/plantuml/graph_hard/plantuml_297.puml
new file mode 100644
index 0000000000000000000000000000000000000000..f6f7732445a35df6db2a81b686c7fff6dda6f631
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_297.puml
@@ -0,0 +1,62 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Conservation Technology" as Group0 #ECEFF1 {
+    usecase "Community Engagement Platforms" as nest0_0 #FFFDE0
+    folder "RFID for Object Tracking" as nest0_1 #E0F2F1
+}
+rectangle "Digital Archiving" as Group1 #FBE9E7 {
+    database "Collection Digitization" as nest1_0 #EDF5F3
+    database "Interactive Kiosks" as nest1_1 #FFFDE0
+}
+artifact "Security Systems Integration" as N0 #EDF5F3
+database "Exhibition Lighting Design" as N1 #EDF5F3
+frame "Member Management Systems" as N2 #FFFDE0
+artifact "Visitor Analytics" as N3 #E0F2F1
+folder "Digital Preservation Strategies" as N4 #FFFDE0
+database "Research Databases Access" as N5 #EDF5F3
+database "Digital Storytelling" as N6 #E0F2F1
+frame "Virtual Tours" as N7 #FFFDE0
+usecase "Crowdsourcing for Collections" as N8 #EDF5F3
+node "Exhibition Design" as N9 #E0F2F1
+folder "Robotics in Exhibits" as N10 #FFFDE0
+node "Database Management" as N11 #FFFDE0
+database "Predictive Maintenance for Tech" as N12 #FFFDE0
+circle " " as S0 #FFFDE0
+circle " " as S1 #E0F2F1
+circle " " as S2 #FFFDE0
+circle " " as M0 #E0F2F1
+N0 -[#FFF8A6]-> N1
+N1 -[#26A69A]-> N2
+N2 ..[#A1D7CD]..> N3
+N3 -[#000000]-> N4
+N4 ..[#000000]..> N5
+N5 ..[#26A69A]..> N6
+N6 ..[#A1D7CD]..> N7
+N7 -[#FFF8A6]-> N8
+N8 -[#A1D7CD]-> N9
+N9 ..[#A1D7CD]..> N10
+N10 -[#A1D7CD]-> N11
+N11 ..[#A1D7CD]..> N12
+nest0_0 ..[#FFF8A6]..> nest0_1 : engages
+N4 ..[#26A69A]..> nest0_0
+nest0_1 -[#A1D7CD]-> N7
+nest1_0 ..[#26A69A]..> nest1_1
+N2 ..[#000000]..> nest1_0
+nest1_1 ..[#A1D7CD]..> N10 : designs
+N8 -[#A1D7CD]-> S0
+S0 -[#A1D7CD]-> N10
+S0 -[#26A69A]-> N12
+S0 ..[#26A69A]..> N11
+N9 -[#000000]-> S1
+S1 -[#FFF8A6]-> N12
+S1 -[#000000]-> N11
+N8 ..[#FFF8A6]..> S2
+S2 -[#FFF8A6]-> N10
+S2 -[#26A69A]-> N12
+N1 ..[#FFF8A6]..> M0
+N3 -[#000000]-> M0 : visualizes
+N0 -[#000000]-> M0
+M0 ..[#000000]..> N12
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_297.txt b/test/plantuml/graph_hard/plantuml_297.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3effb1df27026efeab59eb1646640b648b0c0a59
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_297.txt
@@ -0,0 +1,30 @@
+<Collection Digitization, connectedTo, Interactive Kiosks>
+<Collection Digitization, partOf, Digital Archiving>
+<Community Engagement Platforms, engages, RFID for Object Tracking>
+<Community Engagement Platforms, partOf, Conservation Technology>
+<Crowdsourcing for Collections, connectedTo, Database Management>
+<Crowdsourcing for Collections, connectedTo, Exhibition Design>
+<Crowdsourcing for Collections, connectedTo, Predictive Maintenance for Tech>
+<Crowdsourcing for Collections, connectedTo, Robotics in Exhibits>
+<Database Management, connectedTo, Predictive Maintenance for Tech>
+<Digital Preservation Strategies, connectedTo, Community Engagement Platforms>
+<Digital Preservation Strategies, connectedTo, Research Databases Access>
+<Digital Storytelling, connectedTo, Virtual Tours>
+<Exhibition Design, connectedTo, Database Management>
+<Exhibition Design, connectedTo, Predictive Maintenance for Tech>
+<Exhibition Design, connectedTo, Robotics in Exhibits>
+<Exhibition Lighting Design, connectedTo, Member Management Systems>
+<Exhibition Lighting Design, connectedTo, Predictive Maintenance for Tech>
+<Interactive Kiosks, designs, Robotics in Exhibits>
+<Interactive Kiosks, partOf, Digital Archiving>
+<Member Management Systems, connectedTo, Collection Digitization>
+<Member Management Systems, connectedTo, Visitor Analytics>
+<RFID for Object Tracking, connectedTo, Virtual Tours>
+<RFID for Object Tracking, partOf, Conservation Technology>
+<Research Databases Access, connectedTo, Digital Storytelling>
+<Robotics in Exhibits, connectedTo, Database Management>
+<Security Systems Integration, connectedTo, Exhibition Lighting Design>
+<Security Systems Integration, connectedTo, Predictive Maintenance for Tech>
+<Virtual Tours, connectedTo, Crowdsourcing for Collections>
+<Visitor Analytics, connectedTo, Digital Preservation Strategies>
+<Visitor Analytics, visualizes, Predictive Maintenance for Tech>
diff --git a/test/plantuml/graph_hard/plantuml_298.puml b/test/plantuml/graph_hard/plantuml_298.puml
new file mode 100644
index 0000000000000000000000000000000000000000..57d1ee6afb1347c515e3d5807938f9dea0014e82
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_298.puml
@@ -0,0 +1,80 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Compliance Training" as Group0 #ECEFF1 {
+    artifact "Environmental Compliance" as nest0_0 #FFCDD2
+    artifact "Transparent Communication" as nest0_1 #FCE4EC
+    artifact "Bias Mitigation" as nest0_2 #FCE4EC
+}
+rectangle "CSR Reporting" as Group1 #FBE9E7 {
+    folder "Audit Planning" as nest1_0 #FCE4EC
+    folder "Legal Advisory" as nest1_1 #FCE4EC
+    folder "Policy Development" as nest1_2 #FFCDD2
+    cloud "ESG Integration" as nest1_3 #D0E0F8
+}
+cloud "Risk Assessment" as N0 #FCE4EC
+component "Healthcare Compliance" as N1 #FFCDD2
+component "Stakeholder Engagement on Ethics" as N2 #FFCDD2
+node "Data Privacy Compliance" as N3 #D0E0F8
+usecase "Third_Party Due Diligence" as N4 #FFCDD2
+frame "Labor Law Compliance" as N5 #D0E0F8
+rectangle "Corporate Governance Standards" as N6 #FFCDD2
+usecase "Export Control Compliance" as N7 #FFCDD2
+rectangle "Internal Investigations" as N8 #D0E0F8
+usecase "Ethical AI Guidelines" as N9 #FCE4EC
+usecase "Data Ethics" as N10 #FFCDD2
+component "Financial Regulations Compliance" as N11 #D0E0F8
+rectangle "Information Security Compliance" as N12 #D0E0F8
+usecase "Anti_Bribery and Corruption Compliance" as N13 #FCE4EC
+artifact "Supplier Code of Conduct" as N14 #FCE4EC
+cloud "Compliance Software Implementation" as N15 #FCE4EC
+cloud "Ethics Committee Formation" as N16 #D0E0F8
+node "Ethical Leadership Development" as N17 #FCE4EC
+circle " " as S0 #D0E0F8
+circle " " as S1 #D0E0F8
+circle " " as M0 #FFCDD2
+circle " " as M1 #D0E0F8
+circle " " as M2 #D0E0F8
+N0 ..[#F44336]..> N1
+N1 ..[#000000]..> N2
+N2 -[#000000]-> N3
+N3 -[#4285F4]-> N4
+N4 -[#F06292]-> N5
+N5 ..[#F06292]..> N6
+N6 ..[#000000]..> N7
+N7 -[#F44336]-> N8
+N8 -[#F44336]-> N9
+N9 -[#F06292]-> N10
+N10 -[#4285F4]-> N11
+N11 -[#F44336]-> N12
+N12 ..[#4285F4]..> N13
+N13 -[#F44336]-> N14
+N14 ..[#4285F4]..> N15
+N15 ..[#4285F4]..> N16
+N16 -[#F44336]-> N17
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 -[#4285F4]-> nest0_2
+N10 ..[#4285F4]..> nest0_0
+nest0_2 -[#000000]-> N8
+nest1_0 ..[#4285F4]..> nest1_1
+nest1_1 ..[#4285F4]..> nest1_2
+nest1_2 -[#4285F4]-> nest1_3
+N8 -[#4285F4]-> nest1_0
+nest1_3 -[#4285F4]-> N17
+N9 -[#F06292]-> S0
+S0 -[#F06292]-> N12
+S0 ..[#4285F4]..> N16
+N10 ..[#4285F4]..> S1
+S1 ..[#F06292]..> N16
+S1 -[#4285F4]-> N13
+N11 -[#4285F4]-> M0
+N1 -[#4285F4]-> M0 : mitigates
+M0 -[#4285F4]-> N14
+N2 ..[#4285F4]..> M1
+N1 -[#F44336]-> M1 : detects
+M1 -[#000000]-> N6
+N4 -[#000000]-> M2
+N1 -[#F06292]-> M2
+M2 ..[#4285F4]..> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_298.txt b/test/plantuml/graph_hard/plantuml_298.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7311c77f0034121bde3f6f777c32b8d4948a6516
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_298.txt
@@ -0,0 +1,43 @@
+<Anti_Bribery and Corruption Compliance, connectedTo, Supplier Code of Conduct>
+<Audit Planning, connectedTo, Legal Advisory>
+<Audit Planning, partOf, CSR Reporting>
+<Bias Mitigation, connectedTo, Internal Investigations>
+<Bias Mitigation, partOf, Compliance Training>
+<Compliance Software Implementation, connectedTo, Ethics Committee Formation>
+<Corporate Governance Standards, connectedTo, Export Control Compliance>
+<Data Ethics, connectedTo, Anti_Bribery and Corruption Compliance>
+<Data Ethics, connectedTo, Environmental Compliance>
+<Data Ethics, connectedTo, Ethics Committee Formation>
+<Data Ethics, connectedTo, Financial Regulations Compliance>
+<Data Privacy Compliance, connectedTo, Third_Party Due Diligence>
+<ESG Integration, connectedTo, Ethical Leadership Development>
+<ESG Integration, partOf, CSR Reporting>
+<Environmental Compliance, connectedTo, Transparent Communication>
+<Environmental Compliance, partOf, Compliance Training>
+<Ethical AI Guidelines, connectedTo, Data Ethics>
+<Ethical AI Guidelines, connectedTo, Ethics Committee Formation>
+<Ethical AI Guidelines, connectedTo, Information Security Compliance>
+<Ethics Committee Formation, connectedTo, Ethical Leadership Development>
+<Export Control Compliance, connectedTo, Internal Investigations>
+<Financial Regulations Compliance, connectedTo, Information Security Compliance>
+<Financial Regulations Compliance, connectedTo, Supplier Code of Conduct>
+<Healthcare Compliance, connectedTo, Ethical AI Guidelines>
+<Healthcare Compliance, connectedTo, Stakeholder Engagement on Ethics>
+<Healthcare Compliance, detects, Corporate Governance Standards>
+<Healthcare Compliance, mitigates, Supplier Code of Conduct>
+<Information Security Compliance, connectedTo, Anti_Bribery and Corruption Compliance>
+<Internal Investigations, connectedTo, Audit Planning>
+<Internal Investigations, connectedTo, Ethical AI Guidelines>
+<Labor Law Compliance, connectedTo, Corporate Governance Standards>
+<Legal Advisory, connectedTo, Policy Development>
+<Legal Advisory, partOf, CSR Reporting>
+<Policy Development, connectedTo, ESG Integration>
+<Policy Development, partOf, CSR Reporting>
+<Risk Assessment, connectedTo, Healthcare Compliance>
+<Stakeholder Engagement on Ethics, connectedTo, Corporate Governance Standards>
+<Stakeholder Engagement on Ethics, connectedTo, Data Privacy Compliance>
+<Supplier Code of Conduct, connectedTo, Compliance Software Implementation>
+<Third_Party Due Diligence, connectedTo, Ethical AI Guidelines>
+<Third_Party Due Diligence, connectedTo, Labor Law Compliance>
+<Transparent Communication, connectedTo, Bias Mitigation>
+<Transparent Communication, partOf, Compliance Training>
diff --git a/test/plantuml/graph_hard/plantuml_299.puml b/test/plantuml/graph_hard/plantuml_299.puml
new file mode 100644
index 0000000000000000000000000000000000000000..3f8df040a539ee810d2d2e764b3c7e399c4a14d2
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_299.puml
@@ -0,0 +1,66 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Sanctions Compliance" as Group0 #EDE7F6 {
+    node "Bias Mitigation" as nest0_0 #DFE7EB
+    folder "Anti_Money Laundering Compliance" as nest0_1 #DFE7EB
+    component "Policy Development" as nest0_2 #D1C4E9
+    rectangle "Supplier Code of Conduct" as nest0_3 #FDFCEB
+}
+rectangle "Internal Investigations" as Group1 #ECEFF1 {
+    artifact "Fair Competition Compliance" as nest1_0 #D1C4E9
+    cloud "Third_Party Due Diligence" as nest1_1 #DFE7EB
+    usecase "Transparent Communication" as nest1_2 #D1C4E9
+}
+artifact "Corporate Governance Standards" as N0 #D1C4E9
+cloud "Healthcare Compliance" as N1 #D1C4E9
+rectangle "Anti_Bribery and Corruption Compliance" as N2 #DFE7EB
+artifact "Labor Law Compliance" as N3 #D1C4E9
+rectangle "Conflict of Interest Management" as N4 #D1C4E9
+artifact "Compliance Hotlines" as N5 #D1C4E9
+folder "Reporting Mechanisms" as N6 #DFE7EB
+component "Regulatory Interpretation" as N7 #DFE7EB
+component "Data Ethics" as N8 #D1C4E9
+circle " " as S0 #FDFCEB
+circle " " as S1 #D1C4E9
+circle " " as S2 #DFE7EB
+circle " " as M0 #DFE7EB
+circle " " as M1 #D1C4E9
+N0 -[#7E57C2]-> N1
+N1 -[#7E57C2]-> N2
+N2 ..[#7E57C2]..> N3
+N3 ..[#B0C5CD]..> N4
+N4 ..[#000000]..> N5
+N5 -[#7E57C2]-> N6
+N6 ..[#000000]..> N7
+N7 ..[#EAEFA5]..> N8
+nest0_0 -[#7E57C2]-> nest0_1 : fairness
+nest0_1 -[#B0C5CD]-> nest0_2 : monitors
+nest0_2 ..[#EAEFA5]..> nest0_3
+N4 ..[#7E57C2]..> nest0_0
+nest0_3 ..[#EAEFA5]..> N8
+nest1_0 -[#7E57C2]-> nest1_1
+nest1_1 -[#000000]-> nest1_2
+N3 ..[#7E57C2]..> nest1_0
+nest1_2 -[#EAEFA5]-> N8
+N5 ..[#7E57C2]..> S0
+S0 -[#B0C5CD]-> N7
+S0 ..[#EAEFA5]..> N8 : prevents
+N1 ..[#B0C5CD]..> S1
+S1 ..[#7E57C2]..> N6
+S1 ..[#B0C5CD]..> N8
+S1 ..[#000000]..> N7 : defines
+S1 -[#EAEFA5]-> N5
+N3 ..[#000000]..> S2
+S2 -[#B0C5CD]-> N8
+S2 -[#EAEFA5]-> N6 : protects
+S2 -[#7E57C2]-> N5
+S2 ..[#B0C5CD]..> N7
+N0 ..[#000000]..> M0
+N2 ..[#7E57C2]..> M0
+M0 ..[#B0C5CD]..> N5
+N3 ..[#B0C5CD]..> M1
+N1 ..[#EAEFA5]..> M1
+M1 ..[#000000]..> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_299.txt b/test/plantuml/graph_hard/plantuml_299.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4b60287f3feefdcdf211c65843766e1903ce3710
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_299.txt
@@ -0,0 +1,37 @@
+<Anti_Bribery and Corruption Compliance, connectedTo, Compliance Hotlines>
+<Anti_Bribery and Corruption Compliance, connectedTo, Labor Law Compliance>
+<Anti_Money Laundering Compliance, monitors, Policy Development>
+<Anti_Money Laundering Compliance, partOf, Sanctions Compliance>
+<Bias Mitigation, fairness, Anti_Money Laundering Compliance>
+<Bias Mitigation, partOf, Sanctions Compliance>
+<Compliance Hotlines, connectedTo, Regulatory Interpretation>
+<Compliance Hotlines, connectedTo, Reporting Mechanisms>
+<Compliance Hotlines, prevents, Data Ethics>
+<Conflict of Interest Management, connectedTo, Bias Mitigation>
+<Conflict of Interest Management, connectedTo, Compliance Hotlines>
+<Corporate Governance Standards, connectedTo, Compliance Hotlines>
+<Corporate Governance Standards, connectedTo, Healthcare Compliance>
+<Fair Competition Compliance, connectedTo, Third_Party Due Diligence>
+<Fair Competition Compliance, partOf, Internal Investigations>
+<Healthcare Compliance, connectedTo, Anti_Bribery and Corruption Compliance>
+<Healthcare Compliance, connectedTo, Compliance Hotlines>
+<Healthcare Compliance, connectedTo, Data Ethics>
+<Healthcare Compliance, connectedTo, Regulatory Interpretation>
+<Healthcare Compliance, connectedTo, Reporting Mechanisms>
+<Healthcare Compliance, defines, Regulatory Interpretation>
+<Labor Law Compliance, connectedTo, Compliance Hotlines>
+<Labor Law Compliance, connectedTo, Conflict of Interest Management>
+<Labor Law Compliance, connectedTo, Data Ethics>
+<Labor Law Compliance, connectedTo, Fair Competition Compliance>
+<Labor Law Compliance, connectedTo, Regulatory Interpretation>
+<Labor Law Compliance, protects, Reporting Mechanisms>
+<Policy Development, connectedTo, Supplier Code of Conduct>
+<Policy Development, partOf, Sanctions Compliance>
+<Regulatory Interpretation, connectedTo, Data Ethics>
+<Reporting Mechanisms, connectedTo, Regulatory Interpretation>
+<Supplier Code of Conduct, connectedTo, Data Ethics>
+<Supplier Code of Conduct, partOf, Sanctions Compliance>
+<Third_Party Due Diligence, connectedTo, Transparent Communication>
+<Third_Party Due Diligence, partOf, Internal Investigations>
+<Transparent Communication, connectedTo, Data Ethics>
+<Transparent Communication, partOf, Internal Investigations>
diff --git a/test/plantuml/graph_hard/plantuml_3.puml b/test/plantuml/graph_hard/plantuml_3.puml
new file mode 100644
index 0000000000000000000000000000000000000000..f87c5009b34c167ed98ab9100e175be0d9f0f0e7
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_3.puml
@@ -0,0 +1,76 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Securities Trading" as Group0 #EDE7F6 {
+    node "Dispute Resolution" as nest0_0 #FFE88D
+    folder "Credit Card Application" as nest0_1 #FFE88D
+    component "Credit Scoring" as nest0_2 #E8F0EA
+}
+rectangle "Fraud Check" as Group1 #FCE4EC {
+    node "AML Screening" as nest1_0 #E8F0EA
+    frame "Collateral Evaluation" as nest1_1 #FFE88D
+}
+database "Financial Reporting" as N0 #FFE88D
+node "Financial Advisory" as N1 #E8F0EA
+cloud "Tax Preparation" as N2 #FFE88D
+folder "Budgeting Analysis" as N3 #FFE88D
+folder "Transaction Logging" as N4 #FFE88D
+folder "Account Verification" as N5 #C8EDFF
+node "Interest Calculation" as N6 #E8F0EA
+rectangle "Portfolio Management" as N7 #C8EDFF
+cloud "Treasury Management" as N8 #E8F0EA
+rectangle "Merger and Acquisition" as N9 #E8F0EA
+cloud "Debt Collection" as N10 #E8F0EA
+component "Asset Management" as N11 #FFE88D
+artifact "Transaction Audit" as N12 #FFE88D
+folder "Approval Decision" as N13 #C8EDFF
+artifact "Income Verification" as N14 #E8F0EA
+cloud "Underwriting" as N15 #E8F0EA
+frame "Cryptocurrency Exchange" as N16 #FFE88D
+circle " " as S0 #E8F0EA
+circle " " as S1 #E8F0EA
+circle " " as M0 #C8EDFF
+circle " " as M1 #E8F0EA
+N0 -[#92C79A]-> N1
+N1 -[#FFDA4E]-> N2
+N2 -[#92C79A]-> N3
+N3 -[#82DAFF]-> N4
+N4 -[#92C79A]-> N5
+N5 ..[#FFDA4E]..> N6
+N6 -[#FFDA4E]-> N7
+N7 ..[#000000]..> N8
+N8 -[#92C79A]-> N9
+N9 -[#82DAFF]-> N10
+N10 ..[#92C79A]..> N11
+N11 ..[#FFDA4E]..> N12 : mitigates
+N12 ..[#000000]..> N13
+N13 ..[#FFDA4E]..> N14
+N14 ..[#82DAFF]..> N15
+N15 -[#000000]-> N16
+nest0_0 -[#FFDA4E]-> nest0_1
+nest0_1 ..[#82DAFF]..> nest0_2
+N2 ..[#92C79A]..> nest0_0
+nest0_2 ..[#82DAFF]..> N8
+nest1_0 -[#82DAFF]-> nest1_1
+N13 ..[#FFDA4E]..> nest1_0
+nest1_1 ..[#FFDA4E]..> N10 : underwrites
+N0 -[#92C79A]-> S0
+S0 -[#82DAFF]-> N11
+S0 -[#000000]-> N9 : invests
+S0 ..[#82DAFF]..> N2
+S0 ..[#000000]..> N16
+N2 -[#000000]-> S1
+S1 -[#82DAFF]-> N14 : approves
+S1 -[#000000]-> N15
+S1 -[#FFDA4E]-> N4
+S1 -[#92C79A]-> N11
+N0 -[#82DAFF]-> M0
+N7 ..[#82DAFF]..> M0
+M0 ..[#92C79A]..> N10
+N0 ..[#000000]..> M1
+N10 -[#92C79A]-> M1
+N4 ..[#FFDA4E]..> M1
+N3 -[#FFDA4E]-> M1
+M1 ..[#000000]..> N12
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_3.txt b/test/plantuml/graph_hard/plantuml_3.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fead5eaa1a00df23e4dad62632c92b58c2bd0d0e
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_3.txt
@@ -0,0 +1,42 @@
+<AML Screening, connectedTo, Collateral Evaluation>
+<AML Screening, partOf, Fraud Check>
+<Account Verification, connectedTo, Interest Calculation>
+<Approval Decision, connectedTo, AML Screening>
+<Approval Decision, connectedTo, Income Verification>
+<Asset Management, mitigates, Transaction Audit>
+<Budgeting Analysis, connectedTo, Transaction Audit>
+<Budgeting Analysis, connectedTo, Transaction Logging>
+<Collateral Evaluation, partOf, Fraud Check>
+<Collateral Evaluation, underwrites, Debt Collection>
+<Credit Card Application, connectedTo, Credit Scoring>
+<Credit Card Application, partOf, Securities Trading>
+<Credit Scoring, connectedTo, Treasury Management>
+<Credit Scoring, partOf, Securities Trading>
+<Debt Collection, connectedTo, Asset Management>
+<Debt Collection, connectedTo, Transaction Audit>
+<Dispute Resolution, connectedTo, Credit Card Application>
+<Dispute Resolution, partOf, Securities Trading>
+<Financial Advisory, connectedTo, Tax Preparation>
+<Financial Reporting, connectedTo, Asset Management>
+<Financial Reporting, connectedTo, Cryptocurrency Exchange>
+<Financial Reporting, connectedTo, Debt Collection>
+<Financial Reporting, connectedTo, Financial Advisory>
+<Financial Reporting, connectedTo, Tax Preparation>
+<Financial Reporting, connectedTo, Transaction Audit>
+<Financial Reporting, invests, Merger and Acquisition>
+<Income Verification, connectedTo, Underwriting>
+<Interest Calculation, connectedTo, Portfolio Management>
+<Merger and Acquisition, connectedTo, Debt Collection>
+<Portfolio Management, connectedTo, Debt Collection>
+<Portfolio Management, connectedTo, Treasury Management>
+<Tax Preparation, approves, Income Verification>
+<Tax Preparation, connectedTo, Asset Management>
+<Tax Preparation, connectedTo, Budgeting Analysis>
+<Tax Preparation, connectedTo, Dispute Resolution>
+<Tax Preparation, connectedTo, Transaction Logging>
+<Tax Preparation, connectedTo, Underwriting>
+<Transaction Audit, connectedTo, Approval Decision>
+<Transaction Logging, connectedTo, Account Verification>
+<Transaction Logging, connectedTo, Transaction Audit>
+<Treasury Management, connectedTo, Merger and Acquisition>
+<Underwriting, connectedTo, Cryptocurrency Exchange>
diff --git a/test/plantuml/graph_hard/plantuml_30.puml b/test/plantuml/graph_hard/plantuml_30.puml
new file mode 100644
index 0000000000000000000000000000000000000000..637523eac3bd47c8a5f78146654456da548f800f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_30.puml
@@ -0,0 +1,77 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Roaming Activation" as Group0 #F1F8E9 {
+    folder "Network Upgrade" as nest0_0 #E4E0DF
+    component "SMS Delivery" as nest0_1 #FFFAE0
+}
+rectangle "Fraudulent Call Blocking" as Group1 #EDE7F6 {
+    artifact "Network Security Monitoring" as nest1_0 #FFFAE0
+    folder "Number Porting" as nest1_1 #E4E0DF
+    folder "SIM Registration" as nest1_2 #E4E0DF
+}
+component "Base Station Installation" as N0 #FFFAE0
+rectangle "Fiber Optic Deployment" as N1 #E4E0DF
+usecase "Service Complaint" as N2 #E4E0DF
+folder "MMS Transmission" as N3 #E4E0DF
+artifact "Device Setup" as N4 #E4E0DF
+artifact "Antenna Maintenance" as N5 #FFFAE0
+usecase "Broadband Provisioning" as N6 #FFE88D
+component "Plan Renewal" as N7 #E4E0DF
+rectangle "Plan Suspension" as N8 #E4E0DF
+node "VoIP Service" as N9 #E4E0DF
+component "Usage Monitoring" as N10 #FFFAE0
+database "Customer Relationship Management" as N11 #FFE88D
+database "IoT Device Connection" as N12 #FFE88D
+cloud "Troubleshooting Guide" as N13 #FFE88D
+folder "Issue Resolution" as N14 #FFFAE0
+database "Contract Termination" as N15 #E4E0DF
+artifact "Speed Throttling" as N16 #E4E0DF
+folder "Technical Support Escalation" as N17 #FFFAE0
+circle " " as S0 #E4E0DF
+circle " " as S1 #FFE88D
+circle " " as M0 #FFE88D
+circle " " as M1 #FFFAE0
+circle " " as M2 #E4E0DF
+N0 -[#FFDA4E]-> N1 : suspends
+N1 -[#FFE470]-> N2
+N2 ..[#FFE470]..> N3
+N3 ..[#FFDA4E]..> N4
+N4 -[#FFE470]-> N5
+N5 -[#000000]-> N6
+N6 ..[#FFE470]..> N7
+N7 ..[#FFE470]..> N8
+N8 ..[#FFE470]..> N9
+N9 ..[#FFE470]..> N10
+N10 ..[#FFDA4E]..> N11 : controls
+N11 ..[#BDAFA8]..> N12
+N12 ..[#000000]..> N13
+N13 ..[#000000]..> N14 : bills
+N14 ..[#000000]..> N15
+N15 -[#FFE470]-> N16 : records
+N16 -[#FFE470]-> N17
+nest0_0 ..[#BDAFA8]..> nest0_1
+N8 ..[#BDAFA8]..> nest0_0
+nest0_1 ..[#BDAFA8]..> N15
+nest1_0 -[#FFE470]-> nest1_1
+nest1_1 ..[#000000]..> nest1_2
+N1 -[#FFE470]-> nest1_0
+nest1_2 ..[#FFE470]..> N8
+N7 -[#FFE470]-> S0
+S0 ..[#BDAFA8]..> N13
+S0 -[#FFDA4E]-> N11
+N11 ..[#FFDA4E]..> S1
+S1 ..[#BDAFA8]..> N13
+S1 -[#FFDA4E]-> N17
+S1 ..[#FFE470]..> N16
+N3 -[#FFDA4E]-> M0
+N5 ..[#000000]..> M0
+M0 ..[#FFE470]..> N7
+N2 ..[#BDAFA8]..> M1
+N11 ..[#BDAFA8]..> M1
+M1 ..[#FFE470]..> N13
+N0 -[#FFE470]-> M2
+N4 ..[#FFDA4E]..> M2
+M2 -[#FFDA4E]-> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_30.txt b/test/plantuml/graph_hard/plantuml_30.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5d3e8052cbcbc40690b269d6f0bfb46908986507
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_30.txt
@@ -0,0 +1,39 @@
+<Antenna Maintenance, connectedTo, Broadband Provisioning>
+<Antenna Maintenance, connectedTo, Plan Renewal>
+<Base Station Installation, connectedTo, Plan Renewal>
+<Base Station Installation, suspends, Fiber Optic Deployment>
+<Broadband Provisioning, connectedTo, Plan Renewal>
+<Contract Termination, records, Speed Throttling>
+<Customer Relationship Management, connectedTo, IoT Device Connection>
+<Customer Relationship Management, connectedTo, Speed Throttling>
+<Customer Relationship Management, connectedTo, Technical Support Escalation>
+<Customer Relationship Management, connectedTo, Troubleshooting Guide>
+<Device Setup, connectedTo, Antenna Maintenance>
+<Device Setup, connectedTo, Plan Renewal>
+<Fiber Optic Deployment, connectedTo, Network Security Monitoring>
+<Fiber Optic Deployment, connectedTo, Service Complaint>
+<IoT Device Connection, connectedTo, Troubleshooting Guide>
+<Issue Resolution, connectedTo, Contract Termination>
+<MMS Transmission, connectedTo, Device Setup>
+<MMS Transmission, connectedTo, Plan Renewal>
+<Network Security Monitoring, connectedTo, Number Porting>
+<Network Security Monitoring, partOf, Fraudulent Call Blocking>
+<Network Upgrade, connectedTo, SMS Delivery>
+<Network Upgrade, partOf, Roaming Activation>
+<Number Porting, connectedTo, SIM Registration>
+<Number Porting, partOf, Fraudulent Call Blocking>
+<Plan Renewal, connectedTo, Customer Relationship Management>
+<Plan Renewal, connectedTo, Plan Suspension>
+<Plan Renewal, connectedTo, Troubleshooting Guide>
+<Plan Suspension, connectedTo, Network Upgrade>
+<Plan Suspension, connectedTo, VoIP Service>
+<SIM Registration, connectedTo, Plan Suspension>
+<SIM Registration, partOf, Fraudulent Call Blocking>
+<SMS Delivery, connectedTo, Contract Termination>
+<SMS Delivery, partOf, Roaming Activation>
+<Service Complaint, connectedTo, MMS Transmission>
+<Service Complaint, connectedTo, Troubleshooting Guide>
+<Speed Throttling, connectedTo, Technical Support Escalation>
+<Troubleshooting Guide, bills, Issue Resolution>
+<Usage Monitoring, controls, Customer Relationship Management>
+<VoIP Service, connectedTo, Usage Monitoring>
diff --git a/test/plantuml/graph_hard/plantuml_300.puml b/test/plantuml/graph_hard/plantuml_300.puml
new file mode 100644
index 0000000000000000000000000000000000000000..f9f65087eb3a16928d609b07e4316f4704d5ac09
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_300.puml
@@ -0,0 +1,75 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Fair Competition Compliance" as Group0 #ECEFF1 {
+    artifact "Consumer Protection Compliance" as nest0_0 #C9EFEC
+    usecase "Regulatory Interpretation" as nest0_1 #C9EFEC
+    folder "ESG Integration" as nest0_2 #C9EFEC
+}
+rectangle "Reporting Mechanisms" as Group1 #FBE9E7 {
+    node "Transparent Communication" as nest1_0 #ECF0FD
+    rectangle "Bias Mitigation" as nest1_1 #D3D7EB
+}
+database "Healthcare Compliance" as N0 #D3D7EB
+artifact "Incident Response Planning" as N1 #ECF0FD
+folder "Legal Advisory" as N2 #D3D7EB
+artifact "Ethical Decision_Making Frameworks" as N3 #D3D7EB
+folder "Data Ethics" as N4 #ECF0FD
+cloud "Compliance Software Implementation" as N5 #D3D7EB
+node "Environmental Compliance" as N6 #C9EFEC
+rectangle "Supplier Code of Conduct" as N7 #D3D7EB
+folder "Monitoring and Enforcement" as N8 #C9EFEC
+cloud "Sanctions Compliance" as N9 #ECF0FD
+database "Internal Investigations" as N10 #D3D7EB
+cloud "Compliance Hotlines" as N11 #C9EFEC
+folder "Code of Conduct Implementation" as N12 #C9EFEC
+node "Compliance Training" as N13 #D3D7EB
+folder "Ethical Leadership Development" as N14 #D3D7EB
+frame "Financial Regulations Compliance" as N15 #ECF0FD
+cloud "Export Control Compliance" as N16 #C9EFEC
+database "Corporate Governance Standards" as N17 #ECF0FD
+cloud "Ethical AI Guidelines" as N18 #ECF0FD
+database "Audit Planning" as N19 #D3D7EB
+circle " " as S1 #ECF0FD
+circle " " as S2 #C9EFEC
+circle " " as M0 #C9EFEC
+N0 -[#B8C0F5]-> N1
+N1 -[#B8C0F5]-> N2 : trains
+N2 -[#B8C0F5]-> N3
+N3 -[#000000]-> N4
+N4 -[#6FE1D5]-> N5
+N5 ..[#6FE1D5]..> N6
+N6 -[#000000]-> N7
+N7 ..[#B8C0F5]..> N8
+N8 ..[#8C9EFF]..> N9
+N9 ..[#6FE1D5]..> N10
+N10 -[#000000]-> N11
+N11 ..[#6FE1D5]..> N12
+N12 ..[#B8C0F5]..> N13
+N13 -[#6FE1D5]-> N14
+N14 ..[#8C9EFF]..> N15
+N15 ..[#6FE1D5]..> N16
+N16 ..[#B8C0F5]..> N17
+N17 ..[#B8C0F5]..> N18
+N18 ..[#8C9EFF]..> N19
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 ..[#000000]..> nest0_2
+N15 ..[#6FE1D5]..> nest0_0
+nest0_2 ..[#000000]..> N9
+nest1_0 -[#B8C0F5]-> nest1_1
+N12 ..[#B8C0F5]..> nest1_0
+nest1_1 ..[#B8C0F5]..> N2 : governs
+N3 ..[#B8C0F5]..> S1
+S1 ..[#000000]..> N9
+S1 ..[#8C9EFF]..> N19
+N6 ..[#8C9EFF]..> S2
+S2 -[#B8C0F5]-> N15
+S2 -[#6FE1D5]-> N8
+S2 ..[#B8C0F5]..> N11
+N5 ..[#8C9EFF]..> M0
+N1 -[#B8C0F5]-> M0
+N2 ..[#6FE1D5]..> M0
+M0 ..[#000000]..> N15
+N5 ..[#6FE1D5]..> N1
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_300.txt b/test/plantuml/graph_hard/plantuml_300.txt
new file mode 100644
index 0000000000000000000000000000000000000000..daed725843e5d04d15dc29b0d85308464cb84e38
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_300.txt
@@ -0,0 +1,40 @@
+<Bias Mitigation, governs, Legal Advisory>
+<Bias Mitigation, partOf, Reporting Mechanisms>
+<Code of Conduct Implementation, connectedTo, Compliance Training>
+<Code of Conduct Implementation, connectedTo, Transparent Communication>
+<Compliance Hotlines, connectedTo, Code of Conduct Implementation>
+<Compliance Software Implementation, connectedTo, Environmental Compliance>
+<Compliance Software Implementation, connectedTo, Financial Regulations Compliance>
+<Compliance Software Implementation, connectedTo, Incident Response Planning>
+<Compliance Training, connectedTo, Ethical Leadership Development>
+<Consumer Protection Compliance, connectedTo, Regulatory Interpretation>
+<Consumer Protection Compliance, partOf, Fair Competition Compliance>
+<Corporate Governance Standards, connectedTo, Ethical AI Guidelines>
+<Data Ethics, connectedTo, Compliance Software Implementation>
+<ESG Integration, connectedTo, Sanctions Compliance>
+<ESG Integration, partOf, Fair Competition Compliance>
+<Environmental Compliance, connectedTo, Compliance Hotlines>
+<Environmental Compliance, connectedTo, Financial Regulations Compliance>
+<Environmental Compliance, connectedTo, Monitoring and Enforcement>
+<Environmental Compliance, connectedTo, Supplier Code of Conduct>
+<Ethical AI Guidelines, connectedTo, Audit Planning>
+<Ethical Decision_Making Frameworks, connectedTo, Audit Planning>
+<Ethical Decision_Making Frameworks, connectedTo, Data Ethics>
+<Ethical Decision_Making Frameworks, connectedTo, Sanctions Compliance>
+<Ethical Leadership Development, connectedTo, Financial Regulations Compliance>
+<Export Control Compliance, connectedTo, Corporate Governance Standards>
+<Financial Regulations Compliance, connectedTo, Consumer Protection Compliance>
+<Financial Regulations Compliance, connectedTo, Export Control Compliance>
+<Healthcare Compliance, connectedTo, Incident Response Planning>
+<Incident Response Planning, connectedTo, Financial Regulations Compliance>
+<Incident Response Planning, trains, Legal Advisory>
+<Internal Investigations, connectedTo, Compliance Hotlines>
+<Legal Advisory, connectedTo, Ethical Decision_Making Frameworks>
+<Legal Advisory, connectedTo, Financial Regulations Compliance>
+<Monitoring and Enforcement, connectedTo, Sanctions Compliance>
+<Regulatory Interpretation, connectedTo, ESG Integration>
+<Regulatory Interpretation, partOf, Fair Competition Compliance>
+<Sanctions Compliance, connectedTo, Internal Investigations>
+<Supplier Code of Conduct, connectedTo, Monitoring and Enforcement>
+<Transparent Communication, connectedTo, Bias Mitigation>
+<Transparent Communication, partOf, Reporting Mechanisms>
diff --git a/test/plantuml/graph_hard/plantuml_301.puml b/test/plantuml/graph_hard/plantuml_301.puml
new file mode 100644
index 0000000000000000000000000000000000000000..bf6c2b511b4a8b563460a0dc9849c89541397eb7
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_301.puml
@@ -0,0 +1,77 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Document Examination" as Group0 #F1F8E9 {
+    usecase "Trace Evidence Analysis" as nest0_0 #FFECB3
+    database "Cold Case Review" as nest0_1 #FFECB3
+    node "Voice Recognition" as nest0_2 #FFECB3
+    node "Laboratory Analysis" as nest0_3 #FFFDE7
+}
+rectangle "Cyber Crime Investigation" as Group1 #F1F8E9 {
+    rectangle "Toxicology Testing" as nest1_0 #FFFDE7
+    folder "Forensic Odontology" as nest1_1 #E8F0FF
+    folder "Evidence Preservation" as nest1_2 #E8F0FF
+    rectangle "Courtroom Presentation" as nest1_3 #FFECB3
+}
+folder "Forensic Psychology" as N0 #FFECB3
+artifact "Bloodstain Pattern Analysis" as N1 #FFFDE7
+frame "Crime Scene Investigation" as N2 #FFFDE7
+folder "Expert Witness Testimony" as N3 #FFECB3
+folder "Polygraph Examination" as N4 #E8F0FF
+frame "Data Recovery" as N5 #E8F0FF
+usecase "Chain of Custody Management" as N6 #FFECB3
+frame "Legal Standards Compliance" as N7 #FFFDE7
+component "Forensic Botany" as N8 #E8F0FF
+component "Forensic Accounting" as N9 #FFECB3
+usecase "Vehicle Forensics" as N10 #FFFDE7
+component "Toolmark Analysis" as N11 #FFFDE7
+rectangle "Evidence Collection" as N12 #FFECB3
+usecase "Malware Analysis" as N13 #FFFDE7
+artifact "Forensic Photography" as N14 #FFFDE7
+folder "Digital Forensics" as N15 #FFFDE7
+rectangle "Ballistics Analysis" as N16 #FFECB3
+circle " " as S0 #E8F0FF
+circle " " as S1 #FFECB3
+circle " " as M0 #E8F0FF
+circle " " as M2 #E8F0FF
+N0 ..[#A2D0FF]..> N1
+N1 -[#000000]-> N2
+N2 ..[#FFF176]..> N3
+N3 -[#A2D0FF]-> N4
+N4 ..[#FFF176]..> N5
+N5 ..[#FFF176]..> N6
+N6 -[#FFF176]-> N7
+N7 -[#FFC107]-> N8
+N8 -[#FFF176]-> N9
+N9 -[#FFC107]-> N10
+N10 ..[#A2D0FF]..> N11
+N11 ..[#FFF176]..> N12
+N12 ..[#000000]..> N13
+N13 ..[#A2D0FF]..> N14
+N14 -[#000000]-> N15 : reconstructs
+N15 ..[#FFC107]..> N16
+nest0_0 ..[#A2D0FF]..> nest0_1
+nest0_1 -[#000000]-> nest0_2
+nest0_2 -[#FFC107]-> nest0_3
+N5 -[#000000]-> nest0_0
+nest0_3 -[#FFC107]-> N11
+nest1_0 -[#A2D0FF]-> nest1_1 : photographs
+nest1_1 ..[#FFF176]..> nest1_2
+nest1_2 ..[#000000]..> nest1_3
+N2 -[#000000]-> nest1_0 : protects
+nest1_3 ..[#A2D0FF]..> N2 : reports
+N7 ..[#000000]..> S0
+S0 ..[#FFC107]..> N11
+S0 -[#FFC107]-> N13
+N9 -[#FFC107]-> S1
+S1 ..[#FFC107]..> N15
+S1 -[#FFF176]-> N13 : complies
+N2 ..[#FFC107]..> M0
+N3 -[#FFC107]-> M0
+N4 ..[#A2D0FF]..> M0 : digital_forensics
+M0 -[#000000]-> N6
+N0 ..[#FFC107]..> M2
+N1 -[#FFF176]-> M2
+M2 -[#A2D0FF]-> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_301.txt b/test/plantuml/graph_hard/plantuml_301.txt
new file mode 100644
index 0000000000000000000000000000000000000000..13a9bc23c2bc15152a6c4380bf0034e27a41e692
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_301.txt
@@ -0,0 +1,43 @@
+<Bloodstain Pattern Analysis, connectedTo, Crime Scene Investigation>
+<Bloodstain Pattern Analysis, connectedTo, Polygraph Examination>
+<Chain of Custody Management, connectedTo, Legal Standards Compliance>
+<Cold Case Review, connectedTo, Voice Recognition>
+<Cold Case Review, partOf, Document Examination>
+<Courtroom Presentation, partOf, Cyber Crime Investigation>
+<Courtroom Presentation, reports, Crime Scene Investigation>
+<Crime Scene Investigation, connectedTo, Chain of Custody Management>
+<Crime Scene Investigation, connectedTo, Expert Witness Testimony>
+<Crime Scene Investigation, protects, Toxicology Testing>
+<Data Recovery, connectedTo, Chain of Custody Management>
+<Data Recovery, connectedTo, Trace Evidence Analysis>
+<Digital Forensics, connectedTo, Ballistics Analysis>
+<Evidence Collection, connectedTo, Malware Analysis>
+<Evidence Preservation, connectedTo, Courtroom Presentation>
+<Evidence Preservation, partOf, Cyber Crime Investigation>
+<Expert Witness Testimony, connectedTo, Chain of Custody Management>
+<Expert Witness Testimony, connectedTo, Polygraph Examination>
+<Forensic Accounting, complies, Malware Analysis>
+<Forensic Accounting, connectedTo, Digital Forensics>
+<Forensic Accounting, connectedTo, Vehicle Forensics>
+<Forensic Botany, connectedTo, Forensic Accounting>
+<Forensic Odontology, connectedTo, Evidence Preservation>
+<Forensic Odontology, partOf, Cyber Crime Investigation>
+<Forensic Photography, reconstructs, Digital Forensics>
+<Forensic Psychology, connectedTo, Bloodstain Pattern Analysis>
+<Forensic Psychology, connectedTo, Polygraph Examination>
+<Laboratory Analysis, connectedTo, Toolmark Analysis>
+<Laboratory Analysis, partOf, Document Examination>
+<Legal Standards Compliance, connectedTo, Forensic Botany>
+<Legal Standards Compliance, connectedTo, Malware Analysis>
+<Legal Standards Compliance, connectedTo, Toolmark Analysis>
+<Malware Analysis, connectedTo, Forensic Photography>
+<Polygraph Examination, connectedTo, Data Recovery>
+<Polygraph Examination, digital_forensics, Chain of Custody Management>
+<Toolmark Analysis, connectedTo, Evidence Collection>
+<Toxicology Testing, partOf, Cyber Crime Investigation>
+<Toxicology Testing, photographs, Forensic Odontology>
+<Trace Evidence Analysis, connectedTo, Cold Case Review>
+<Trace Evidence Analysis, partOf, Document Examination>
+<Vehicle Forensics, connectedTo, Toolmark Analysis>
+<Voice Recognition, connectedTo, Laboratory Analysis>
+<Voice Recognition, partOf, Document Examination>
diff --git a/test/plantuml/graph_hard/plantuml_302.puml b/test/plantuml/graph_hard/plantuml_302.puml
new file mode 100644
index 0000000000000000000000000000000000000000..3178eb4a547ec4529898556e8eaf407af8d54ead
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_302.puml
@@ -0,0 +1,79 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Bloodstain Pattern Analysis" as Group0 #ECEFF1 {
+    artifact "Courtroom Presentation" as nest0_0 #FAEBF3
+    component "Forensic Botany" as nest0_1 #EDE7F6
+    component "Cyber Crime Investigation" as nest0_2 #FAEBF3
+}
+rectangle "Crime Database Search" as Group1 #FFF3E0 {
+    rectangle "Malware Analysis" as nest1_0 #DED7F0
+    cloud "Cold Case Review" as nest1_1 #DED7F0
+}
+node "Forensic Photography" as N0 #FAEBF3
+usecase "Ballistics Analysis" as N1 #FAEBF3
+cloud "Crime Scene Investigation" as N2 #DED7F0
+folder "Chain of Custody Management" as N3 #EDE7F6
+database "Polygraph Examination" as N4 #FAEBF3
+folder "Forensic Entomology" as N5 #EDE7F6
+folder "Forensic Anthropology" as N6 #FAEBF3
+artifact "Evidence Preservation" as N7 #EDE7F6
+frame "Forensic Psychology" as N8 #FAEBF3
+rectangle "Document Examination" as N9 #DED7F0
+usecase "Arson Investigation" as N10 #FAEBF3
+rectangle "Handwriting Analysis" as N11 #DED7F0
+folder "Laboratory Analysis" as N12 #EDE7F6
+database "Evidence Collection" as N13 #EDE7F6
+folder "Forensic Accounting" as N14 #EDE7F6
+cloud "Cloud Forensics" as N15 #FAEBF3
+cloud "Forensic Interviewing" as N16 #FAEBF3
+usecase "Facial Recognition" as N17 #DED7F0
+circle " " as S0 #FAEBF3
+circle " " as S1 #DED7F0
+circle " " as M0 #FAEBF3
+circle " " as M1 #FAEBF3
+circle " " as M2 #DED7F0
+N0 -[#F7BEE0]-> N1
+N1 -[#7E57C2]-> N2
+N2 ..[#F7BEE0]..> N3
+N3 ..[#7E57C2]..> N4
+N4 ..[#A188DB]..> N5
+N5 ..[#A188DB]..> N6
+N6 -[#A188DB]-> N7
+N7 ..[#A188DB]..> N8
+N8 -[#7E57C2]-> N9
+N9 -[#7E57C2]-> N10
+N10 ..[#F7BEE0]..> N11
+N11 ..[#A188DB]..> N12
+N12 ..[#A188DB]..> N13
+N13 -[#7E57C2]-> N14
+N14 ..[#000000]..> N15
+N15 -[#A188DB]-> N16
+N16 -[#F7BEE0]-> N17
+nest0_0 -[#000000]-> nest0_1
+nest0_1 ..[#7E57C2]..> nest0_2
+N12 ..[#F7BEE0]..> nest0_0
+nest0_2 -[#F7BEE0]-> N11
+nest1_0 ..[#A188DB]..> nest1_1
+N6 -[#000000]-> nest1_0
+nest1_1 ..[#F7BEE0]..> N3
+N0 -[#A188DB]-> S0
+S0 -[#7E57C2]-> N2
+S0 -[#7E57C2]-> N12
+N9 -[#7E57C2]-> S1
+S1 ..[#7E57C2]..> N13 : documents
+S1 -[#000000]-> N17
+S1 -[#A188DB]-> N16
+N5 ..[#F7BEE0]..> M0
+N7 ..[#A188DB]..> M0
+N0 -[#A188DB]-> M0
+M0 ..[#A188DB]..> N10
+N4 ..[#A188DB]..> M1
+N3 ..[#A188DB]..> M1
+M1 -[#000000]-> N9
+N1 -[#000000]-> M2
+N8 ..[#7E57C2]..> M2
+N0 -[#F7BEE0]-> M2
+M2 -[#A188DB]-> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_302.txt b/test/plantuml/graph_hard/plantuml_302.txt
new file mode 100644
index 0000000000000000000000000000000000000000..91bd1979651c5215d5dd172e08dfa66323edba18
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_302.txt
@@ -0,0 +1,41 @@
+<Arson Investigation, connectedTo, Handwriting Analysis>
+<Ballistics Analysis, connectedTo, Arson Investigation>
+<Ballistics Analysis, connectedTo, Crime Scene Investigation>
+<Chain of Custody Management, connectedTo, Document Examination>
+<Chain of Custody Management, connectedTo, Polygraph Examination>
+<Cloud Forensics, connectedTo, Forensic Interviewing>
+<Cold Case Review, connectedTo, Chain of Custody Management>
+<Cold Case Review, partOf, Crime Database Search>
+<Courtroom Presentation, connectedTo, Forensic Botany>
+<Courtroom Presentation, partOf, Bloodstain Pattern Analysis>
+<Crime Scene Investigation, connectedTo, Chain of Custody Management>
+<Cyber Crime Investigation, connectedTo, Handwriting Analysis>
+<Cyber Crime Investigation, partOf, Bloodstain Pattern Analysis>
+<Document Examination, connectedTo, Arson Investigation>
+<Document Examination, connectedTo, Facial Recognition>
+<Document Examination, connectedTo, Forensic Interviewing>
+<Document Examination, documents, Evidence Collection>
+<Evidence Collection, connectedTo, Forensic Accounting>
+<Evidence Preservation, connectedTo, Arson Investigation>
+<Evidence Preservation, connectedTo, Forensic Psychology>
+<Forensic Accounting, connectedTo, Cloud Forensics>
+<Forensic Anthropology, connectedTo, Evidence Preservation>
+<Forensic Anthropology, connectedTo, Malware Analysis>
+<Forensic Botany, connectedTo, Cyber Crime Investigation>
+<Forensic Botany, partOf, Bloodstain Pattern Analysis>
+<Forensic Entomology, connectedTo, Arson Investigation>
+<Forensic Entomology, connectedTo, Forensic Anthropology>
+<Forensic Interviewing, connectedTo, Facial Recognition>
+<Forensic Photography, connectedTo, Arson Investigation>
+<Forensic Photography, connectedTo, Ballistics Analysis>
+<Forensic Photography, connectedTo, Crime Scene Investigation>
+<Forensic Photography, connectedTo, Laboratory Analysis>
+<Forensic Psychology, connectedTo, Arson Investigation>
+<Forensic Psychology, connectedTo, Document Examination>
+<Handwriting Analysis, connectedTo, Laboratory Analysis>
+<Laboratory Analysis, connectedTo, Courtroom Presentation>
+<Laboratory Analysis, connectedTo, Evidence Collection>
+<Malware Analysis, connectedTo, Cold Case Review>
+<Malware Analysis, partOf, Crime Database Search>
+<Polygraph Examination, connectedTo, Document Examination>
+<Polygraph Examination, connectedTo, Forensic Entomology>
diff --git a/test/plantuml/graph_hard/plantuml_303.puml b/test/plantuml/graph_hard/plantuml_303.puml
new file mode 100644
index 0000000000000000000000000000000000000000..0bdd224bbb5c9319142dc18bf17d0157cea07da0
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_303.puml
@@ -0,0 +1,57 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Facial Recognition" as Group0 #FFF3E0 {
+    component "Laboratory Analysis" as nest0_0 #FFDAB9
+    component "Document Examination" as nest0_1 #FFECB3
+    artifact "Toolmark Analysis" as nest0_2 #C9F0F0
+}
+rectangle "Forensic Pathology" as Group1 #F1F8E9 {
+    node "Fingerprint Analysis" as nest1_0 #FFECB3
+    database "Evidence Preservation" as nest1_1 #C9F0F0
+    folder "Forensic Odontology" as nest1_2 #C9F0F0
+}
+usecase "Forensic Anthropology" as N0 #FFDAB9
+folder "Polygraph Examination" as N1 #FFECB3
+rectangle "Forensic Psychology" as N2 #C9F0F0
+artifact "Cold Case Review" as N3 #FFECB3
+folder "Bloodstain Pattern Analysis" as N4 #FFDAB9
+frame "Forensic Botany" as N5 #FFDAB9
+component "Chain of Custody Management" as N6 #C9F0F0
+frame "Crime Database Search" as N7 #C9F0F0
+folder "Ballistics Analysis" as N8 #C9F0F0
+circle " " as S0 #C9F0F0
+circle " " as S1 #FFDAB9
+circle " " as M1 #FFDAB9
+circle " " as M2 #FFECB3
+N0 ..[#4DD0E1]..> N1 : collects
+N1 ..[#000000]..> N2
+N2 ..[#000000]..> N3
+N3 -[#FFC085]-> N4
+N4 ..[#FFC107]..> N5
+N5 -[#4DD0E1]-> N6
+N6 -[#000000]-> N7
+N7 -[#FFC107]-> N8
+nest0_0 ..[#4DD0E1]..> nest0_1
+nest0_1 -[#4DD0E1]-> nest0_2
+N5 -[#FFC085]-> nest0_0
+nest0_2 ..[#FFC085]..> N6
+nest1_0 ..[#FFC107]..> nest1_1
+nest1_1 ..[#4DD0E1]..> nest1_2
+N5 -[#000000]-> nest1_0
+nest1_2 ..[#000000]..> N1
+N2 ..[#000000]..> S0
+S0 -[#FFC085]-> N8
+S0 -[#000000]-> N5
+S0 -[#4DD0E1]-> N4 : digital_forensics
+N5 -[#FFC107]-> S1
+S1 ..[#000000]..> N7
+S1 -[#4DD0E1]-> N8
+N2 -[#FFC085]-> M1 : develops
+N1 ..[#000000]..> M1
+M1 ..[#000000]..> N7
+N1 -[#4DD0E1]-> M2
+N3 -[#4DD0E1]-> M2
+M2 -[#FFC107]-> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_303.txt b/test/plantuml/graph_hard/plantuml_303.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8c97e1ff0b3c0978d40d193bba7057b0b2804a0d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_303.txt
@@ -0,0 +1,31 @@
+<Bloodstain Pattern Analysis, connectedTo, Forensic Botany>
+<Chain of Custody Management, connectedTo, Crime Database Search>
+<Cold Case Review, connectedTo, Bloodstain Pattern Analysis>
+<Cold Case Review, connectedTo, Forensic Botany>
+<Crime Database Search, connectedTo, Ballistics Analysis>
+<Document Examination, connectedTo, Toolmark Analysis>
+<Document Examination, partOf, Facial Recognition>
+<Evidence Preservation, connectedTo, Forensic Odontology>
+<Evidence Preservation, partOf, Forensic Pathology>
+<Fingerprint Analysis, connectedTo, Evidence Preservation>
+<Fingerprint Analysis, partOf, Forensic Pathology>
+<Forensic Anthropology, collects, Polygraph Examination>
+<Forensic Botany, connectedTo, Ballistics Analysis>
+<Forensic Botany, connectedTo, Chain of Custody Management>
+<Forensic Botany, connectedTo, Crime Database Search>
+<Forensic Botany, connectedTo, Fingerprint Analysis>
+<Forensic Botany, connectedTo, Laboratory Analysis>
+<Forensic Odontology, connectedTo, Polygraph Examination>
+<Forensic Odontology, partOf, Forensic Pathology>
+<Forensic Psychology, connectedTo, Ballistics Analysis>
+<Forensic Psychology, connectedTo, Cold Case Review>
+<Forensic Psychology, connectedTo, Forensic Botany>
+<Forensic Psychology, develops, Crime Database Search>
+<Forensic Psychology, digital_forensics, Bloodstain Pattern Analysis>
+<Laboratory Analysis, connectedTo, Document Examination>
+<Laboratory Analysis, partOf, Facial Recognition>
+<Polygraph Examination, connectedTo, Crime Database Search>
+<Polygraph Examination, connectedTo, Forensic Botany>
+<Polygraph Examination, connectedTo, Forensic Psychology>
+<Toolmark Analysis, connectedTo, Chain of Custody Management>
+<Toolmark Analysis, partOf, Facial Recognition>
diff --git a/test/plantuml/graph_hard/plantuml_304.puml b/test/plantuml/graph_hard/plantuml_304.puml
new file mode 100644
index 0000000000000000000000000000000000000000..df68c000c44d404271d970cc6c144c44a109b834
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_304.puml
@@ -0,0 +1,75 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Intelligence Analysis" as Group0 #FFF3E0 {
+    artifact "Military Counterterrorism" as nest0_0 #F5F5F5
+    database "Psychological Operations" as nest0_1 #F5F5F5
+    cloud "Critical Infrastructure Protection" as nest0_2 #F5F5F5
+}
+rectangle "Risk_Based Security Measures" as Group1 #FCE4EC {
+    database "Terrorism Financing Interdiction" as nest1_0 #FFDCD6
+    artifact "Threat Assessment" as nest1_1 #F5F5F5
+}
+folder "Chemical Biological Radiological Nuclear Defense" as N0 #F5F5F5
+node "Target Hardening" as N1 #FCE4EC
+artifact "Fusion Center Operations" as N2 #F5F5F5
+artifact "Training Exercises" as N3 #FFDCD6
+cloud "Behavioral Threat Assessment" as N4 #FFDCD6
+folder "Forensic Investigation of Attacks" as N5 #FCE4EC
+component "Emergency Preparedness" as N6 #FCE4EC
+rectangle "Public Awareness Campaigns" as N7 #F5F5F5
+rectangle "Port Security" as N8 #FFDCD6
+usecase "Intelligence Gathering" as N9 #FCE4EC
+folder "Surveillance and Monitoring" as N10 #FFDCD6
+database "Crisis Response Planning" as N11 #FCE4EC
+database "International Cooperation" as N12 #FFDCD6
+node "Law Enforcement Operations" as N13 #FCE4EC
+folder "Information Sharing" as N14 #F5F5F5
+node "Biometric Screening" as N15 #F5F5F5
+rectangle "Radicalization Prevention" as N16 #FCE4EC
+circle " " as S0 #FFDCD6
+circle " " as S2 #F5F5F5
+circle " " as M1 #FCE4EC
+circle " " as M2 #FFDCD6
+N0 ..[#E91E63]..> N1
+N1 ..[#E91E63]..> N2
+N2 ..[#FFB2A5]..> N3
+N3 ..[#000000]..> N4
+N4 ..[#BDBDBD]..> N5
+N5 -[#000000]-> N6
+N6 -[#FFB2A5]-> N7
+N7 -[#BDBDBD]-> N8
+N8 -[#BDBDBD]-> N9
+N9 ..[#FFB2A5]..> N10 : public_informs
+N10 -[#E91E63]-> N11
+N11 -[#000000]-> N12
+N12 ..[#FFB2A5]..> N13
+N13 ..[#000000]..> N14
+N14 -[#000000]-> N15
+N15 -[#E91E63]-> N16
+nest0_0 ..[#E91E63]..> nest0_1
+nest0_1 -[#000000]-> nest0_2
+N10 ..[#000000]..> nest0_0
+nest0_2 ..[#E91E63]..> N2
+nest1_0 ..[#FFB2A5]..> nest1_1
+N4 -[#000000]-> nest1_0
+nest1_1 ..[#E91E63]..> N5
+N11 -[#000000]-> S0
+S0 ..[#E91E63]..> N16
+S0 -[#E91E63]-> N14
+S0 -[#BDBDBD]-> N13
+S0 -[#BDBDBD]-> N15
+N6 ..[#BDBDBD]..> S2
+S2 -[#E91E63]-> N15
+S2 -[#E91E63]-> N8
+S2 -[#FFB2A5]-> N12
+N1 -[#BDBDBD]-> M1
+N0 ..[#FFB2A5]..> M1
+M1 ..[#BDBDBD]..> N6
+N5 ..[#E91E63]..> M2
+N8 -[#000000]-> M2
+N2 ..[#BDBDBD]..> M2
+N11 ..[#E91E63]..> M2
+M2 ..[#BDBDBD]..> N15
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_304.txt b/test/plantuml/graph_hard/plantuml_304.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a1abec44c2e9e0948b9f96d891d287c283bb572d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_304.txt
@@ -0,0 +1,40 @@
+<Behavioral Threat Assessment, connectedTo, Forensic Investigation of Attacks>
+<Behavioral Threat Assessment, connectedTo, Terrorism Financing Interdiction>
+<Biometric Screening, connectedTo, Radicalization Prevention>
+<Chemical Biological Radiological Nuclear Defense, connectedTo, Emergency Preparedness>
+<Chemical Biological Radiological Nuclear Defense, connectedTo, Target Hardening>
+<Crisis Response Planning, connectedTo, Biometric Screening>
+<Crisis Response Planning, connectedTo, Information Sharing>
+<Crisis Response Planning, connectedTo, International Cooperation>
+<Crisis Response Planning, connectedTo, Law Enforcement Operations>
+<Crisis Response Planning, connectedTo, Radicalization Prevention>
+<Critical Infrastructure Protection, connectedTo, Fusion Center Operations>
+<Critical Infrastructure Protection, partOf, Intelligence Analysis>
+<Emergency Preparedness, connectedTo, Biometric Screening>
+<Emergency Preparedness, connectedTo, International Cooperation>
+<Emergency Preparedness, connectedTo, Port Security>
+<Emergency Preparedness, connectedTo, Public Awareness Campaigns>
+<Forensic Investigation of Attacks, connectedTo, Biometric Screening>
+<Forensic Investigation of Attacks, connectedTo, Emergency Preparedness>
+<Fusion Center Operations, connectedTo, Biometric Screening>
+<Fusion Center Operations, connectedTo, Training Exercises>
+<Information Sharing, connectedTo, Biometric Screening>
+<Intelligence Gathering, public_informs, Surveillance and Monitoring>
+<International Cooperation, connectedTo, Law Enforcement Operations>
+<Law Enforcement Operations, connectedTo, Information Sharing>
+<Military Counterterrorism, connectedTo, Psychological Operations>
+<Military Counterterrorism, partOf, Intelligence Analysis>
+<Port Security, connectedTo, Biometric Screening>
+<Port Security, connectedTo, Intelligence Gathering>
+<Psychological Operations, connectedTo, Critical Infrastructure Protection>
+<Psychological Operations, partOf, Intelligence Analysis>
+<Public Awareness Campaigns, connectedTo, Port Security>
+<Surveillance and Monitoring, connectedTo, Crisis Response Planning>
+<Surveillance and Monitoring, connectedTo, Military Counterterrorism>
+<Target Hardening, connectedTo, Emergency Preparedness>
+<Target Hardening, connectedTo, Fusion Center Operations>
+<Terrorism Financing Interdiction, connectedTo, Threat Assessment>
+<Terrorism Financing Interdiction, partOf, Risk_Based Security Measures>
+<Threat Assessment, connectedTo, Forensic Investigation of Attacks>
+<Threat Assessment, partOf, Risk_Based Security Measures>
+<Training Exercises, connectedTo, Behavioral Threat Assessment>
diff --git a/test/plantuml/graph_hard/plantuml_305.puml b/test/plantuml/graph_hard/plantuml_305.puml
new file mode 100644
index 0000000000000000000000000000000000000000..c01c7a163b57031af751afff3633ae9814f4c31f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_305.puml
@@ -0,0 +1,76 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Post_Incident Recovery" as Group0 #FFF3E0 {
+    cloud "Information Sharing" as nest0_0 #ECCFF5
+    frame "Emergency Preparedness" as nest0_1 #FBE9E7
+}
+rectangle "Port Security" as Group1 #F3E5F5 {
+    component "Risk_Based Security Measures" as nest1_0 #E8EAF6
+    folder "Hostage Negotiation" as nest1_1 #ECCFF5
+    cloud "Threat Assessment" as nest1_2 #ECCFF5
+}
+node "Target Hardening" as N0 #FBE9E7
+database "Insider Threat Programs" as N1 #FBE9E7
+artifact "Risk Analysis" as N2 #FBE9E7
+cloud "International Cooperation" as N3 #FBE9E7
+frame "Drone Countermeasures" as N4 #FBE9E7
+node "Training Exercises" as N5 #FBE9E7
+folder "Counter_Propaganda" as N6 #ECCFF5
+frame "Biometric Screening" as N7 #E8EAF6
+folder "Vulnerability Assessment" as N8 #FBE9E7
+folder "Critical Infrastructure Protection" as N9 #FBE9E7
+node "Bomb Disposal" as N10 #ECCFF5
+database "Legislation and Policy Development" as N11 #FBE9E7
+cloud "Transportation Security" as N12 #E8EAF6
+database "Military Counterterrorism" as N13 #ECCFF5
+folder "Crisis Response Planning" as N14 #E8EAF6
+component "Cybersecurity Defense" as N15 #FBE9E7
+frame "Intelligence Gathering" as N16 #FBE9E7
+circle " " as S1 #FBE9E7
+circle " " as S2 #FBE9E7
+circle " " as M0 #ECCFF5
+circle " " as M1 #ECCFF5
+circle " " as M2 #FBE9E7
+N0 ..[#000000]..> N1
+N1 ..[#FF8A65]..> N2 : policies_develops
+N2 -[#5C6BC0]-> N3
+N3 -[#FF8A65]-> N4
+N4 -[#FF8A65]-> N5
+N5 -[#000000]-> N6
+N6 ..[#FF8A65]..> N7
+N7 -[#000000]-> N8
+N8 -[#5C6BC0]-> N9
+N9 -[#5C6BC0]-> N10 : threats_identifies
+N10 ..[#CD8FF2]..> N11
+N11 -[#5C6BC0]-> N12
+N12 -[#FF8A65]-> N13
+N13 -[#FF8A65]-> N14
+N14 ..[#CD8FF2]..> N15
+N15 ..[#CD8FF2]..> N16
+nest0_0 ..[#CD8FF2]..> nest0_1
+N1 -[#CD8FF2]-> nest0_0
+nest0_1 -[#000000]-> N14
+nest1_0 -[#5C6BC0]-> nest1_1
+nest1_1 -[#FF8A65]-> nest1_2
+N8 ..[#FF8A65]..> nest1_0
+nest1_2 -[#000000]-> N1
+N10 ..[#FF8A65]..> S1
+S1 ..[#FF8A65]..> N13
+S1 ..[#000000]..> N14
+S1 ..[#FF8A65]..> N15
+N7 -[#FF8A65]-> S2
+S2 ..[#FF8A65]..> N15
+S2 -[#CD8FF2]-> N9
+N13 -[#5C6BC0]-> M0
+N12 -[#FF8A65]-> M0
+M0 -[#FF8A65]-> N16
+N0 -[#FF8A65]-> M1
+N1 -[#5C6BC0]-> M1
+N3 -[#FF8A65]-> M1
+M1 ..[#5C6BC0]..> N6
+N2 ..[#CD8FF2]..> M2
+N7 ..[#000000]..> M2
+M2 -[#CD8FF2]-> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_305.txt b/test/plantuml/graph_hard/plantuml_305.txt
new file mode 100644
index 0000000000000000000000000000000000000000..55474406d44d5c3043ba2a315d0d3b006a94430e
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_305.txt
@@ -0,0 +1,40 @@
+<Biometric Screening, connectedTo, Bomb Disposal>
+<Biometric Screening, connectedTo, Critical Infrastructure Protection>
+<Biometric Screening, connectedTo, Cybersecurity Defense>
+<Biometric Screening, connectedTo, Vulnerability Assessment>
+<Bomb Disposal, connectedTo, Crisis Response Planning>
+<Bomb Disposal, connectedTo, Cybersecurity Defense>
+<Bomb Disposal, connectedTo, Legislation and Policy Development>
+<Bomb Disposal, connectedTo, Military Counterterrorism>
+<Counter_Propaganda, connectedTo, Biometric Screening>
+<Crisis Response Planning, connectedTo, Cybersecurity Defense>
+<Critical Infrastructure Protection, threats_identifies, Bomb Disposal>
+<Cybersecurity Defense, connectedTo, Intelligence Gathering>
+<Drone Countermeasures, connectedTo, Training Exercises>
+<Emergency Preparedness, connectedTo, Crisis Response Planning>
+<Emergency Preparedness, partOf, Post_Incident Recovery>
+<Hostage Negotiation, connectedTo, Threat Assessment>
+<Hostage Negotiation, partOf, Port Security>
+<Information Sharing, connectedTo, Emergency Preparedness>
+<Information Sharing, partOf, Post_Incident Recovery>
+<Insider Threat Programs, connectedTo, Counter_Propaganda>
+<Insider Threat Programs, connectedTo, Information Sharing>
+<Insider Threat Programs, policies_develops, Risk Analysis>
+<International Cooperation, connectedTo, Counter_Propaganda>
+<International Cooperation, connectedTo, Drone Countermeasures>
+<Legislation and Policy Development, connectedTo, Transportation Security>
+<Military Counterterrorism, connectedTo, Crisis Response Planning>
+<Military Counterterrorism, connectedTo, Intelligence Gathering>
+<Risk Analysis, connectedTo, Bomb Disposal>
+<Risk Analysis, connectedTo, International Cooperation>
+<Risk_Based Security Measures, connectedTo, Hostage Negotiation>
+<Risk_Based Security Measures, partOf, Port Security>
+<Target Hardening, connectedTo, Counter_Propaganda>
+<Target Hardening, connectedTo, Insider Threat Programs>
+<Threat Assessment, connectedTo, Insider Threat Programs>
+<Threat Assessment, partOf, Port Security>
+<Training Exercises, connectedTo, Counter_Propaganda>
+<Transportation Security, connectedTo, Intelligence Gathering>
+<Transportation Security, connectedTo, Military Counterterrorism>
+<Vulnerability Assessment, connectedTo, Critical Infrastructure Protection>
+<Vulnerability Assessment, connectedTo, Risk_Based Security Measures>
diff --git a/test/plantuml/graph_hard/plantuml_306.puml b/test/plantuml/graph_hard/plantuml_306.puml
new file mode 100644
index 0000000000000000000000000000000000000000..22f7a0a1e770cf73d54f646f0532fa378a0f09d2
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_306.puml
@@ -0,0 +1,77 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Risk Analysis" as Group0 #ECEFF1 {
+    cloud "Hostage Negotiation" as nest0_0 #F0F0F0
+    frame "Intelligence Analysis" as nest0_1 #C2E8E6
+    node "Data Analytics for Terrorism" as nest0_2 #F0F0F0
+    frame "Cybersecurity Defense" as nest0_3 #F0F0F0
+}
+rectangle "Forensic Investigation of Attacks" as Group1 #FFF3E0 {
+    cloud "Counter_Propaganda" as nest1_0 #F0F0F0
+    database "Bomb Disposal" as nest1_1 #F0F0F0
+    artifact "Crisis Response Planning" as nest1_2 #FFEBEB
+}
+frame "Risk_Based Security Measures" as N0 #C2E8E6
+frame "Terrorism Financing Interdiction" as N1 #F0F0F0
+rectangle "Early Warning Systems" as N2 #F0F0F0
+database "Airport Security" as N3 #C2E8E6
+node "Military Counterterrorism" as N4 #FFEBEB
+database "Fusion Center Operations" as N5 #F0F0F0
+artifact "Information Sharing" as N6 #FFEBEB
+component "International Cooperation" as N7 #FFEBEB
+artifact "Surveillance and Monitoring" as N8 #FFEBEB
+node "Target Hardening" as N9 #FFEBEB
+folder "Psychological Operations" as N10 #C2E8E6
+cloud "Port Security" as N11 #C2E8E6
+cloud "Emergency Preparedness" as N12 #F0F0F0
+node "Post_Incident Recovery" as N13 #F0F0F0
+rectangle "Radicalization Prevention" as N14 #C2E8E6
+component "Border Security" as N15 #FFEBEB
+circle " " as S0 #F0F0F0
+circle " " as S1 #C2E8E6
+circle " " as S2 #C2E8E6
+circle " " as M0 #FFEBEB
+circle " " as M1 #F0F0F0
+N0 ..[#FFC2C2]..> N1
+N1 -[#000000]-> N2 : secures
+N2 ..[#000000]..> N3
+N3 ..[#000000]..> N4
+N4 -[#61CAC3]-> N5
+N5 ..[#000000]..> N6
+N6 ..[#FFC2C2]..> N7
+N7 -[#61CAC3]-> N8
+N8 ..[#61CAC3]..> N9
+N9 -[#000000]-> N10
+N10 -[#61CAC3]-> N11
+N11 -[#61CAC3]-> N12
+N12 ..[#000000]..> N13 : public_informs
+N13 ..[#000000]..> N14
+N14 -[#000000]-> N15 : cyber_defends
+nest0_0 ..[#D2D2D2]..> nest0_1
+nest0_1 ..[#61CAC3]..> nest0_2
+nest0_2 ..[#000000]..> nest0_3
+N12 -[#000000]-> nest0_0
+nest0_3 ..[#000000]..> N6
+nest1_0 -[#61CAC3]-> nest1_1
+nest1_1 -[#61CAC3]-> nest1_2
+N12 ..[#000000]..> nest1_0
+nest1_2 -[#61CAC3]-> N5 : de_radicalizes
+N10 ..[#FFC2C2]..> S0
+S0 ..[#D2D2D2]..> N15
+S0 ..[#D2D2D2]..> N13
+N11 -[#D2D2D2]-> S1
+S1 ..[#000000]..> N13
+S1 ..[#61CAC3]..> N15
+N0 ..[#61CAC3]..> S2
+S2 -[#FFC2C2]-> N7
+S2 ..[#000000]..> N4
+N5 ..[#D2D2D2]..> M0
+N4 -[#61CAC3]-> M0
+N2 -[#000000]-> M0
+M0 ..[#D2D2D2]..> N8
+N1 -[#61CAC3]-> M1 : mitigates
+N0 -[#FFC2C2]-> M1
+M1 ..[#D2D2D2]..> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_306.txt b/test/plantuml/graph_hard/plantuml_306.txt
new file mode 100644
index 0000000000000000000000000000000000000000..760cf2802c51e1f9ddfd34953f710a9ea4c4652b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_306.txt
@@ -0,0 +1,41 @@
+<Airport Security, connectedTo, Military Counterterrorism>
+<Bomb Disposal, connectedTo, Crisis Response Planning>
+<Bomb Disposal, partOf, Forensic Investigation of Attacks>
+<Counter_Propaganda, connectedTo, Bomb Disposal>
+<Counter_Propaganda, partOf, Forensic Investigation of Attacks>
+<Crisis Response Planning, de_radicalizes, Fusion Center Operations>
+<Crisis Response Planning, partOf, Forensic Investigation of Attacks>
+<Cybersecurity Defense, connectedTo, Information Sharing>
+<Cybersecurity Defense, partOf, Risk Analysis>
+<Data Analytics for Terrorism, connectedTo, Cybersecurity Defense>
+<Data Analytics for Terrorism, partOf, Risk Analysis>
+<Early Warning Systems, connectedTo, Airport Security>
+<Early Warning Systems, connectedTo, Surveillance and Monitoring>
+<Emergency Preparedness, connectedTo, Counter_Propaganda>
+<Emergency Preparedness, connectedTo, Hostage Negotiation>
+<Emergency Preparedness, public_informs, Post_Incident Recovery>
+<Fusion Center Operations, connectedTo, Information Sharing>
+<Fusion Center Operations, connectedTo, Surveillance and Monitoring>
+<Hostage Negotiation, connectedTo, Intelligence Analysis>
+<Hostage Negotiation, partOf, Risk Analysis>
+<Information Sharing, connectedTo, International Cooperation>
+<Intelligence Analysis, connectedTo, Data Analytics for Terrorism>
+<Intelligence Analysis, partOf, Risk Analysis>
+<International Cooperation, connectedTo, Surveillance and Monitoring>
+<Military Counterterrorism, connectedTo, Fusion Center Operations>
+<Military Counterterrorism, connectedTo, Surveillance and Monitoring>
+<Port Security, connectedTo, Border Security>
+<Port Security, connectedTo, Emergency Preparedness>
+<Port Security, connectedTo, Post_Incident Recovery>
+<Post_Incident Recovery, connectedTo, Radicalization Prevention>
+<Psychological Operations, connectedTo, Border Security>
+<Psychological Operations, connectedTo, Port Security>
+<Psychological Operations, connectedTo, Post_Incident Recovery>
+<Radicalization Prevention, cyber_defends, Border Security>
+<Risk_Based Security Measures, connectedTo, International Cooperation>
+<Risk_Based Security Measures, connectedTo, Military Counterterrorism>
+<Risk_Based Security Measures, connectedTo, Terrorism Financing Interdiction>
+<Surveillance and Monitoring, connectedTo, Target Hardening>
+<Target Hardening, connectedTo, Psychological Operations>
+<Terrorism Financing Interdiction, mitigates, Military Counterterrorism>
+<Terrorism Financing Interdiction, secures, Early Warning Systems>
diff --git a/test/plantuml/graph_hard/plantuml_307.puml b/test/plantuml/graph_hard/plantuml_307.puml
new file mode 100644
index 0000000000000000000000000000000000000000..43e88b8cf1094e4923c6e5ba3a1ad245945414b5
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_307.puml
@@ -0,0 +1,57 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Predictive Policing" as Group0 #F1F8E9 {
+    node "Drone Surveillance" as nest0_0 #EFEBE9
+    folder "Privacy Concerns Mitigation" as nest0_1 #D6D9F0
+}
+rectangle "Access Control Systems" as Group1 #E0F2F1 {
+    artifact "Pattern Recognition" as nest1_0 #EFEBE9
+    node "Public Space Monitoring" as nest1_1 #EFEBE9
+    usecase "Social Media Monitoring" as nest1_2 #EFEBE9
+    artifact "Automated Threat Detection" as nest1_3 #CFD8DC
+}
+folder "Network Monitoring" as N0 #CFD8DC
+frame "Video Analytics" as N1 #D6D9F0
+frame "Internet Traffic Monitoring" as N2 #CFD8DC
+usecase "Remote Sensing" as N3 #CFD8DC
+rectangle "Thermal Imaging" as N4 #D6D9F0
+node "Physical Security Integration" as N5 #D6D9F0
+component "Security Personnel Operations" as N6 #D6D9F0
+frame "CCTV Monitoring" as N7 #D6D9F0
+frame "Legal Compliance" as N8 #EFEBE9
+circle " " as S0 #CFD8DC
+circle " " as S2 #D6D9F0
+circle " " as M0 #D6D9F0
+circle " " as M1 #CFD8DC
+N0 -[#000000]-> N1
+N1 ..[#A1887F]..> N2 : analyzes
+N2 -[#9FA9E1]-> N3
+N3 -[#607D8B]-> N4
+N4 -[#9FA9E1]-> N5
+N5 ..[#000000]..> N6
+N6 ..[#A1887F]..> N7
+N7 ..[#A1887F]..> N8
+nest0_0 ..[#000000]..> nest0_1
+N4 ..[#9FA9E1]..> nest0_0
+nest0_1 -[#9FA9E1]-> N5
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 ..[#9FA9E1]..> nest1_2
+nest1_2 ..[#9FA9E1]..> nest1_3
+N5 ..[#607D8B]..> nest1_0
+nest1_3 -[#A1887F]-> N4 : observes
+N1 ..[#A1887F]..> S0
+S0 ..[#607D8B]..> N5
+S0 -[#607D8B]-> N3
+N0 ..[#9FA9E1]..> S2
+S2 -[#9FA9E1]-> N8
+S2 -[#000000]-> N5
+S2 -[#9FA9E1]-> N6
+N1 ..[#9FA9E1]..> M0
+N0 -[#A1887F]-> M0
+M0 ..[#9FA9E1]..> N3
+N1 -[#000000]-> M1
+N3 ..[#000000]..> M1
+M1 -[#000000]-> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_307.txt b/test/plantuml/graph_hard/plantuml_307.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0eaeeab9dc1d143f00e0d01ff5c2b25523b48a77
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_307.txt
@@ -0,0 +1,30 @@
+<Automated Threat Detection, observes, Thermal Imaging>
+<Automated Threat Detection, partOf, Access Control Systems>
+<CCTV Monitoring, connectedTo, Legal Compliance>
+<Drone Surveillance, connectedTo, Privacy Concerns Mitigation>
+<Drone Surveillance, partOf, Predictive Policing>
+<Internet Traffic Monitoring, connectedTo, Remote Sensing>
+<Network Monitoring, connectedTo, Legal Compliance>
+<Network Monitoring, connectedTo, Physical Security Integration>
+<Network Monitoring, connectedTo, Remote Sensing>
+<Network Monitoring, connectedTo, Security Personnel Operations>
+<Network Monitoring, connectedTo, Video Analytics>
+<Pattern Recognition, connectedTo, Public Space Monitoring>
+<Pattern Recognition, partOf, Access Control Systems>
+<Physical Security Integration, connectedTo, Pattern Recognition>
+<Physical Security Integration, connectedTo, Security Personnel Operations>
+<Privacy Concerns Mitigation, connectedTo, Physical Security Integration>
+<Privacy Concerns Mitigation, partOf, Predictive Policing>
+<Public Space Monitoring, connectedTo, Social Media Monitoring>
+<Public Space Monitoring, partOf, Access Control Systems>
+<Remote Sensing, connectedTo, Security Personnel Operations>
+<Remote Sensing, connectedTo, Thermal Imaging>
+<Security Personnel Operations, connectedTo, CCTV Monitoring>
+<Social Media Monitoring, connectedTo, Automated Threat Detection>
+<Social Media Monitoring, partOf, Access Control Systems>
+<Thermal Imaging, connectedTo, Drone Surveillance>
+<Thermal Imaging, connectedTo, Physical Security Integration>
+<Video Analytics, analyzes, Internet Traffic Monitoring>
+<Video Analytics, connectedTo, Physical Security Integration>
+<Video Analytics, connectedTo, Remote Sensing>
+<Video Analytics, connectedTo, Security Personnel Operations>
diff --git a/test/plantuml/graph_hard/plantuml_308.puml b/test/plantuml/graph_hard/plantuml_308.puml
new file mode 100644
index 0000000000000000000000000000000000000000..c7b023e58ae663130054edfcf4f3d979e5f89e59
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_308.puml
@@ -0,0 +1,66 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Wildlife Tracking" as Group0 #FFF3E0 {
+    database "Legal Compliance" as nest0_0 #E3F2FD
+    frame "Access Control Systems" as nest0_1 #F3E5F5
+}
+rectangle "Physical Security Integration" as Group1 #FFF3E0 {
+    frame "Night Vision Technology" as nest1_0 #F3E5F5
+    rectangle "Internet Traffic Monitoring" as nest1_1 #F3E5F5
+    cloud "CCTV Monitoring" as nest1_2 #D0E0F8
+}
+folder "Predictive Policing" as N0 #E3F2FD
+folder "Security Personnel Operations" as N1 #D0E0F8
+rectangle "Intrusion Detection" as N2 #F3E5F5
+folder "Data Storage and Retention" as N3 #D0E0F8
+component "Drone Surveillance" as N4 #E3F2FD
+node "Video Analytics" as N5 #D0E0F8
+node "Biometric Data Analysis" as N6 #E3F2FD
+frame "Remote Sensing" as N7 #E3F2FD
+artifact "Sensor Network Deployment" as N8 #E3F2FD
+cloud "Real_time Alerts" as N9 #D0E0F8
+component "Industrial Surveillance" as N10 #E3F2FD
+database "Pattern Recognition" as N11 #D0E0F8
+folder "Audio Surveillance" as N12 #E3F2FD
+circle " " as S0 #F3E5F5
+circle " " as S1 #F3E5F5
+circle " " as M0 #D0E0F8
+circle " " as M1 #E3F2FD
+N0 -[#000000]-> N1
+N1 -[#AB47BC]-> N2
+N2 -[#000000]-> N3
+N3 ..[#64B5F6]..> N4 : transmits
+N4 -[#000000]-> N5 : optimizes
+N5 -[#4285F4]-> N6
+N6 -[#4285F4]-> N7
+N7 ..[#4285F4]..> N8
+N8 -[#AB47BC]-> N9
+N9 ..[#64B5F6]..> N10
+N10 -[#AB47BC]-> N11
+N11 ..[#AB47BC]..> N12
+nest0_0 ..[#4285F4]..> nest0_1
+N4 -[#AB47BC]-> nest0_0
+nest0_1 -[#4285F4]-> N6
+nest1_0 -[#AB47BC]-> nest1_1 : maintains
+nest1_1 -[#4285F4]-> nest1_2 : notifies
+N5 ..[#AB47BC]..> nest1_0
+nest1_2 ..[#64B5F6]..> N5 : filters
+N1 -[#000000]-> S0
+S0 ..[#4285F4]..> N10
+S0 -[#4285F4]-> N12
+S0 -[#AB47BC]-> N7
+S0 -[#4285F4]-> N6
+N9 ..[#64B5F6]..> S1
+S1 ..[#AB47BC]..> N11
+S1 -[#AB47BC]-> N12
+N1 -[#000000]-> M0
+N2 ..[#4285F4]..> M0
+M0 -[#AB47BC]-> N6
+N1 ..[#AB47BC]..> M1
+N0 -[#64B5F6]-> M1
+N3 ..[#000000]..> M1
+N2 -[#4285F4]-> M1 : reports
+M1 -[#4285F4]-> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_308.txt b/test/plantuml/graph_hard/plantuml_308.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8ec623b2423a5783f8a858df6de1df03cbc16ea1
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_308.txt
@@ -0,0 +1,35 @@
+<Access Control Systems, connectedTo, Biometric Data Analysis>
+<Access Control Systems, partOf, Wildlife Tracking>
+<Biometric Data Analysis, connectedTo, Remote Sensing>
+<CCTV Monitoring, filters, Video Analytics>
+<CCTV Monitoring, partOf, Physical Security Integration>
+<Data Storage and Retention, connectedTo, Video Analytics>
+<Data Storage and Retention, transmits, Drone Surveillance>
+<Drone Surveillance, connectedTo, Legal Compliance>
+<Drone Surveillance, optimizes, Video Analytics>
+<Industrial Surveillance, connectedTo, Pattern Recognition>
+<Internet Traffic Monitoring, notifies, CCTV Monitoring>
+<Internet Traffic Monitoring, partOf, Physical Security Integration>
+<Intrusion Detection, connectedTo, Biometric Data Analysis>
+<Intrusion Detection, connectedTo, Data Storage and Retention>
+<Intrusion Detection, reports, Video Analytics>
+<Legal Compliance, connectedTo, Access Control Systems>
+<Legal Compliance, partOf, Wildlife Tracking>
+<Night Vision Technology, maintains, Internet Traffic Monitoring>
+<Night Vision Technology, partOf, Physical Security Integration>
+<Pattern Recognition, connectedTo, Audio Surveillance>
+<Predictive Policing, connectedTo, Security Personnel Operations>
+<Predictive Policing, connectedTo, Video Analytics>
+<Real_time Alerts, connectedTo, Audio Surveillance>
+<Real_time Alerts, connectedTo, Industrial Surveillance>
+<Real_time Alerts, connectedTo, Pattern Recognition>
+<Remote Sensing, connectedTo, Sensor Network Deployment>
+<Security Personnel Operations, connectedTo, Audio Surveillance>
+<Security Personnel Operations, connectedTo, Biometric Data Analysis>
+<Security Personnel Operations, connectedTo, Industrial Surveillance>
+<Security Personnel Operations, connectedTo, Intrusion Detection>
+<Security Personnel Operations, connectedTo, Remote Sensing>
+<Security Personnel Operations, connectedTo, Video Analytics>
+<Sensor Network Deployment, connectedTo, Real_time Alerts>
+<Video Analytics, connectedTo, Biometric Data Analysis>
+<Video Analytics, connectedTo, Night Vision Technology>
diff --git a/test/plantuml/graph_hard/plantuml_309.puml b/test/plantuml/graph_hard/plantuml_309.puml
new file mode 100644
index 0000000000000000000000000000000000000000..f4e31b4f7c086ab9bf4454484f754a22ea22f433
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_309.puml
@@ -0,0 +1,59 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Video Analytics" as Group0 #E3F2FD {
+    frame "Privacy Concerns Mitigation" as nest0_0 #C9EFEC
+    rectangle "Pattern Recognition" as nest0_1 #C9EFEC
+}
+rectangle "Automated Threat Detection" as Group1 #F1F8E9 {
+    cloud "Physical Security Integration" as nest1_0 #FFF0CC
+    database "Thermal Imaging" as nest1_1 #FFF0CC
+    node "Perimeter Security" as nest1_2 #E0F7FA
+    component "Satellite Imaging" as nest1_3 #C9EFEC
+}
+cloud "Night Vision Technology" as N0 #C9EFEC
+component "Data Storage and Retention" as N1 #C9EFEC
+usecase "Environmental Monitoring" as N2 #E0F7FA
+database "Real_time Alerts" as N3 #E0F7FA
+rectangle "Access Control Systems" as N4 #C9EFEC
+usecase "Predictive Policing" as N5 #FFF0CC
+component "CCTV Monitoring" as N6 #FFF0CC
+cloud "Cyber Surveillance" as N7 #E0F7FA
+folder "Legal Compliance" as N8 #C9EFEC
+folder "Remote Sensing" as N9 #FFF0CC
+database "Border Surveillance" as N10 #FFF0CC
+component "Traffic Surveillance" as N11 #C9EFEC
+circle " " as S1 #E0F7FA
+circle " " as S2 #FFF0CC
+circle " " as M1 #E0F7FA
+N0 -[#6FE1D5]-> N1
+N1 -[#6FE1D5]-> N2
+N2 -[#6FE1D5]-> N3
+N3 ..[#6FE1D5]..> N4
+N4 -[#00BCD4]-> N5
+N5 -[#000000]-> N6
+N6 ..[#6FE1D5]..> N7
+N7 ..[#00BCD4]..> N8
+N8 -[#000000]-> N9
+N9 -[#000000]-> N10
+N10 ..[#FFCC80]..> N11
+nest0_0 ..[#00BCD4]..> nest0_1 : data_stores
+N3 ..[#00BCD4]..> nest0_0
+nest0_1 ..[#6FE1D5]..> N4
+nest1_0 ..[#6FE1D5]..> nest1_1
+nest1_1 -[#00BCD4]-> nest1_2 : receives
+nest1_2 -[#FFCC80]-> nest1_3
+N4 -[#FFCC80]-> nest1_0
+nest1_3 -[#00BCD4]-> N9
+N4 -[#000000]-> S1
+S1 -[#6FE1D5]-> N11
+S1 -[#00BCD4]-> N9 : automates
+N3 -[#FFCC80]-> S2
+S2 -[#FFCC80]-> N10
+S2 -[#FFCC80]-> N5
+N1 -[#6FE1D5]-> M1
+N2 ..[#00BCD4]..> M1
+M1 ..[#6FE1D5]..> N6
+N6 -[#00BCD4]-> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_309.txt b/test/plantuml/graph_hard/plantuml_309.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6d52f2db2da4afdb6615cf57088d8bccd388a0f2
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_309.txt
@@ -0,0 +1,32 @@
+<Access Control Systems, automates, Remote Sensing>
+<Access Control Systems, connectedTo, Physical Security Integration>
+<Access Control Systems, connectedTo, Predictive Policing>
+<Access Control Systems, connectedTo, Traffic Surveillance>
+<Border Surveillance, connectedTo, Traffic Surveillance>
+<CCTV Monitoring, connectedTo, Cyber Surveillance>
+<CCTV Monitoring, connectedTo, Real_time Alerts>
+<Cyber Surveillance, connectedTo, Legal Compliance>
+<Data Storage and Retention, connectedTo, CCTV Monitoring>
+<Data Storage and Retention, connectedTo, Environmental Monitoring>
+<Environmental Monitoring, connectedTo, CCTV Monitoring>
+<Environmental Monitoring, connectedTo, Real_time Alerts>
+<Legal Compliance, connectedTo, Remote Sensing>
+<Night Vision Technology, connectedTo, Data Storage and Retention>
+<Pattern Recognition, connectedTo, Access Control Systems>
+<Pattern Recognition, partOf, Video Analytics>
+<Perimeter Security, connectedTo, Satellite Imaging>
+<Perimeter Security, partOf, Automated Threat Detection>
+<Physical Security Integration, connectedTo, Thermal Imaging>
+<Physical Security Integration, partOf, Automated Threat Detection>
+<Predictive Policing, connectedTo, CCTV Monitoring>
+<Privacy Concerns Mitigation, data_stores, Pattern Recognition>
+<Privacy Concerns Mitigation, partOf, Video Analytics>
+<Real_time Alerts, connectedTo, Access Control Systems>
+<Real_time Alerts, connectedTo, Border Surveillance>
+<Real_time Alerts, connectedTo, Predictive Policing>
+<Real_time Alerts, connectedTo, Privacy Concerns Mitigation>
+<Remote Sensing, connectedTo, Border Surveillance>
+<Satellite Imaging, connectedTo, Remote Sensing>
+<Satellite Imaging, partOf, Automated Threat Detection>
+<Thermal Imaging, partOf, Automated Threat Detection>
+<Thermal Imaging, receives, Perimeter Security>
diff --git a/test/plantuml/graph_hard/plantuml_31.puml b/test/plantuml/graph_hard/plantuml_31.puml
new file mode 100644
index 0000000000000000000000000000000000000000..7d9ec483ea569104a4d93830a1e696b40fe9c7f8
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_31.puml
@@ -0,0 +1,75 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Barn Cleaning" as Group0 #E3F2FD {
+    folder "Subsidy Application" as nest0_0 #FFCDD2
+    database "Aquaculture Farming" as nest0_1 #ECEFF1
+}
+rectangle "Equipment Repair" as Group1 #E0F2F1 {
+    frame "Greenhouse Control" as nest1_0 #ECEFF1
+    artifact "Seedling Transplanting" as nest1_1 #FFCDD2
+    database "Fencing Installation" as nest1_2 #ECEFF1
+    rectangle "Water Level Measurement" as nest1_3 #FFCDD2
+}
+rectangle "Agricultural Research" as N0 #FFCDD2
+database "Soil Testing" as N1 #ECEFF1
+rectangle "Forestry Management" as N2 #C8E6C9
+folder "Drone Scouting" as N3 #C8E6C9
+folder "Seed Sowing" as N4 #FFCDD2
+component "Grain Drying" as N5 #FFCDD2
+rectangle "Produce Sorting" as N6 #FFCDD2
+node "Harvesting" as N7 #ECEFF1
+cloud "Pest Spraying" as N8 #C8E6C9
+cloud "Livestock Feeding" as N9 #C8E6C9
+database "Fertilizer Application" as N10 #ECEFF1
+artifact "Crop Monitoring" as N11 #ECEFF1
+component "Traceability System" as N12 #FFCDD2
+component "Supply Chain to Retailers" as N13 #ECEFF1
+folder "Farm Maintenance" as N14 #C8E6C9
+node "Hydroponic System Management" as N15 #C8E6C9
+node "Precision Farming" as N16 #C8E6C9
+circle " " as S0 #ECEFF1
+circle " " as S1 #FFCDD2
+circle " " as M0 #C8E6C9
+circle " " as M1 #FFCDD2
+N0 -[#90A4AE]-> N1
+N1 ..[#90A4AE]..> N2
+N2 ..[#F44336]..> N3
+N3 ..[#388E3C]..> N4
+N4 -[#388E3C]-> N5
+N5 ..[#388E3C]..> N6
+N6 -[#388E3C]-> N7
+N7 -[#000000]-> N8
+N8 ..[#F44336]..> N9
+N9 -[#000000]-> N10
+N10 -[#F44336]-> N11
+N11 ..[#388E3C]..> N12
+N12 ..[#90A4AE]..> N13
+N13 -[#000000]-> N14
+N14 -[#000000]-> N15
+N15 ..[#F44336]..> N16
+nest0_0 -[#F44336]-> nest0_1
+N5 -[#000000]-> nest0_0
+nest0_1 -[#F44336]-> N6
+nest1_0 ..[#388E3C]..> nest1_1
+nest1_1 -[#90A4AE]-> nest1_2
+nest1_2 -[#000000]-> nest1_3
+N4 ..[#90A4AE]..> nest1_0
+nest1_3 ..[#388E3C]..> N3
+N4 ..[#F44336]..> S0
+S0 -[#90A4AE]-> N16
+S0 -[#388E3C]-> N12 : stores
+S0 -[#90A4AE]-> N10
+N4 ..[#90A4AE]..> S1
+S1 -[#90A4AE]-> N11
+S1 ..[#000000]..> N15
+S1 -[#90A4AE]-> N8
+N1 -[#F44336]-> M0
+N0 ..[#000000]..> M0
+M0 ..[#90A4AE]..> N3
+N2 ..[#90A4AE]..> M1
+N0 -[#F44336]-> M1
+N1 -[#000000]-> M1
+M1 -[#000000]-> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_31.txt b/test/plantuml/graph_hard/plantuml_31.txt
new file mode 100644
index 0000000000000000000000000000000000000000..356492d35b09af2b51ecbd3fb7580b88ff16704a
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_31.txt
@@ -0,0 +1,41 @@
+<Agricultural Research, connectedTo, Drone Scouting>
+<Agricultural Research, connectedTo, Seed Sowing>
+<Agricultural Research, connectedTo, Soil Testing>
+<Aquaculture Farming, connectedTo, Produce Sorting>
+<Aquaculture Farming, partOf, Barn Cleaning>
+<Crop Monitoring, connectedTo, Traceability System>
+<Drone Scouting, connectedTo, Seed Sowing>
+<Farm Maintenance, connectedTo, Hydroponic System Management>
+<Fencing Installation, connectedTo, Water Level Measurement>
+<Fencing Installation, partOf, Equipment Repair>
+<Fertilizer Application, connectedTo, Crop Monitoring>
+<Forestry Management, connectedTo, Drone Scouting>
+<Forestry Management, connectedTo, Seed Sowing>
+<Grain Drying, connectedTo, Produce Sorting>
+<Grain Drying, connectedTo, Subsidy Application>
+<Greenhouse Control, connectedTo, Seedling Transplanting>
+<Greenhouse Control, partOf, Equipment Repair>
+<Harvesting, connectedTo, Pest Spraying>
+<Hydroponic System Management, connectedTo, Precision Farming>
+<Livestock Feeding, connectedTo, Fertilizer Application>
+<Pest Spraying, connectedTo, Livestock Feeding>
+<Produce Sorting, connectedTo, Harvesting>
+<Seed Sowing, connectedTo, Crop Monitoring>
+<Seed Sowing, connectedTo, Fertilizer Application>
+<Seed Sowing, connectedTo, Grain Drying>
+<Seed Sowing, connectedTo, Greenhouse Control>
+<Seed Sowing, connectedTo, Hydroponic System Management>
+<Seed Sowing, connectedTo, Pest Spraying>
+<Seed Sowing, connectedTo, Precision Farming>
+<Seed Sowing, stores, Traceability System>
+<Seedling Transplanting, connectedTo, Fencing Installation>
+<Seedling Transplanting, partOf, Equipment Repair>
+<Soil Testing, connectedTo, Drone Scouting>
+<Soil Testing, connectedTo, Forestry Management>
+<Soil Testing, connectedTo, Seed Sowing>
+<Subsidy Application, connectedTo, Aquaculture Farming>
+<Subsidy Application, partOf, Barn Cleaning>
+<Supply Chain to Retailers, connectedTo, Farm Maintenance>
+<Traceability System, connectedTo, Supply Chain to Retailers>
+<Water Level Measurement, connectedTo, Drone Scouting>
+<Water Level Measurement, partOf, Equipment Repair>
diff --git a/test/plantuml/graph_hard/plantuml_310.puml b/test/plantuml/graph_hard/plantuml_310.puml
new file mode 100644
index 0000000000000000000000000000000000000000..0d2a8e3b2cb2ad4cf331e0c22f5e293178850b9d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_310.puml
@@ -0,0 +1,77 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Technology for Prevention" as Group0 #E0F2F1 {
+    cloud "Public Awareness Campaigns" as nest0_0 #FFDAB9
+    folder "Drug Prevention Initiatives" as nest0_1 #F1F8FF
+    component "Gang Intervention" as nest0_2 #F1F8FF
+    folder "Youth Programs" as nest0_3 #FFDAB9
+}
+rectangle "Identity Theft Prevention" as Group1 #E8F5E9 {
+    frame "Data Sharing Initiatives" as nest1_0 #F1F8FF
+    folder "Domestic Violence Prevention" as nest1_1 #ECEFF1
+}
+folder "Gun Violence Prevention" as N0 #F1F8FF
+usecase "Cybercrime Prevention" as N1 #F1F8FF
+database "Situational Crime Prevention" as N2 #FFDAB9
+component "Police_Community Relations" as N3 #F1F8FF
+component "Early Intervention Programs" as N4 #FFDAB9
+folder "Patrol Operations" as N5 #FFDAB9
+frame "Victim Support Services" as N6 #FFDAB9
+folder "Crime Data Analysis" as N7 #ECEFF1
+folder "Burglary Prevention" as N8 #FFDAB9
+rectangle "Rehabilitation Programs" as N9 #FFDAB9
+component "Community Policing" as N10 #F1F8FF
+folder "Crisis Intervention" as N11 #FFDAB9
+frame "Vehicle Theft Prevention" as N12 #FFDAB9
+folder "Conflict Resolution Training" as N13 #FFDAB9
+circle " " as S0 #FFDAB9
+circle " " as S1 #F1F8FF
+circle " " as M0 #F1F8FF
+circle " " as M1 #FFDAB9
+circle " " as M2 #F1F8FF
+N0 ..[#42A5F5]..> N1
+N1 -[#42A5F5]-> N2
+N2 -[#FFC085]-> N3 : strategies_develops
+N3 -[#FFC085]-> N4
+N4 ..[#42A5F5]..> N5
+N5 -[#90A4AE]-> N6
+N6 -[#90A4AE]-> N7
+N7 ..[#42A5F5]..> N8 : patrols
+N8 ..[#000000]..> N9
+N9 -[#000000]-> N10
+N10 ..[#90A4AE]..> N11
+N11 ..[#000000]..> N12 : technologies_deploys
+N12 -[#FFC085]-> N13
+nest0_0 -[#90A4AE]-> nest0_1
+nest0_1 ..[#42A5F5]..> nest0_2
+nest0_2 -[#90A4AE]-> nest0_3
+N3 -[#000000]-> nest0_0
+nest0_3 -[#FFC085]-> N12
+nest1_0 ..[#42A5F5]..> nest1_1 : environments_designs
+N5 ..[#FFC085]..> nest1_0
+nest1_1 ..[#000000]..> N12
+N2 -[#000000]-> S0
+S0 ..[#90A4AE]..> N8
+S0 -[#90A4AE]-> N7
+S0 ..[#90A4AE]..> N10
+S0 -[#000000]-> N11
+N1 ..[#FFC085]..> S1
+S1 -[#FFC085]-> N6 : prevents
+S1 ..[#42A5F5]..> N9
+S1 ..[#000000]..> N8
+S1 ..[#90A4AE]..> N4
+N10 -[#42A5F5]-> M0
+N4 ..[#000000]..> M0
+M0 -[#FFC085]-> N13
+N3 ..[#FFC085]..> M1
+N0 ..[#000000]..> M1
+N5 ..[#000000]..> M1
+M1 ..[#90A4AE]..> N7
+N10 ..[#90A4AE]..> M2
+N4 ..[#000000]..> M2
+N1 ..[#90A4AE]..> M2 : monitors
+N8 -[#FFC085]-> M2
+M2 -[#90A4AE]-> N12
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_310.txt b/test/plantuml/graph_hard/plantuml_310.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2a28c96b7decd8d47635bceb81da04fdb1109a38
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_310.txt
@@ -0,0 +1,44 @@
+<Burglary Prevention, connectedTo, Rehabilitation Programs>
+<Burglary Prevention, connectedTo, Vehicle Theft Prevention>
+<Community Policing, connectedTo, Conflict Resolution Training>
+<Community Policing, connectedTo, Crisis Intervention>
+<Community Policing, connectedTo, Vehicle Theft Prevention>
+<Crime Data Analysis, patrols, Burglary Prevention>
+<Crisis Intervention, technologies_deploys, Vehicle Theft Prevention>
+<Cybercrime Prevention, connectedTo, Burglary Prevention>
+<Cybercrime Prevention, connectedTo, Early Intervention Programs>
+<Cybercrime Prevention, connectedTo, Rehabilitation Programs>
+<Cybercrime Prevention, connectedTo, Situational Crime Prevention>
+<Cybercrime Prevention, monitors, Vehicle Theft Prevention>
+<Cybercrime Prevention, prevents, Victim Support Services>
+<Data Sharing Initiatives, environments_designs, Domestic Violence Prevention>
+<Data Sharing Initiatives, partOf, Identity Theft Prevention>
+<Domestic Violence Prevention, connectedTo, Vehicle Theft Prevention>
+<Domestic Violence Prevention, partOf, Identity Theft Prevention>
+<Drug Prevention Initiatives, connectedTo, Gang Intervention>
+<Drug Prevention Initiatives, partOf, Technology for Prevention>
+<Early Intervention Programs, connectedTo, Conflict Resolution Training>
+<Early Intervention Programs, connectedTo, Patrol Operations>
+<Early Intervention Programs, connectedTo, Vehicle Theft Prevention>
+<Gang Intervention, connectedTo, Youth Programs>
+<Gang Intervention, partOf, Technology for Prevention>
+<Gun Violence Prevention, connectedTo, Crime Data Analysis>
+<Gun Violence Prevention, connectedTo, Cybercrime Prevention>
+<Patrol Operations, connectedTo, Crime Data Analysis>
+<Patrol Operations, connectedTo, Data Sharing Initiatives>
+<Patrol Operations, connectedTo, Victim Support Services>
+<Police_Community Relations, connectedTo, Crime Data Analysis>
+<Police_Community Relations, connectedTo, Early Intervention Programs>
+<Police_Community Relations, connectedTo, Public Awareness Campaigns>
+<Public Awareness Campaigns, connectedTo, Drug Prevention Initiatives>
+<Public Awareness Campaigns, partOf, Technology for Prevention>
+<Rehabilitation Programs, connectedTo, Community Policing>
+<Situational Crime Prevention, connectedTo, Burglary Prevention>
+<Situational Crime Prevention, connectedTo, Community Policing>
+<Situational Crime Prevention, connectedTo, Crime Data Analysis>
+<Situational Crime Prevention, connectedTo, Crisis Intervention>
+<Situational Crime Prevention, strategies_develops, Police_Community Relations>
+<Vehicle Theft Prevention, connectedTo, Conflict Resolution Training>
+<Victim Support Services, connectedTo, Crime Data Analysis>
+<Youth Programs, connectedTo, Vehicle Theft Prevention>
+<Youth Programs, partOf, Technology for Prevention>
diff --git a/test/plantuml/graph_hard/plantuml_311.puml b/test/plantuml/graph_hard/plantuml_311.puml
new file mode 100644
index 0000000000000000000000000000000000000000..46cbf7804f0458eabe223a952e2327e96cb559d9
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_311.puml
@@ -0,0 +1,61 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Drug Prevention Initiatives" as Group0 #FCE4EC {
+    artifact "Rehabilitation Programs" as nest0_0 #D6D9F0
+    rectangle "Behavioral Science in Prevention" as nest0_1 #FFF9C4
+    component "School Safety Programs" as nest0_2 #FFF9C4
+}
+rectangle "Data Sharing Initiatives" as Group1 #FCE4EC {
+    node "Vehicle Theft Prevention" as nest1_0 #CFD8DC
+    usecase "Crime Prevention Through Education" as nest1_1 #CFD8DC
+}
+folder "Environmental Design" as N0 #FFF9C4
+artifact "Police_Community Relations" as N1 #CFD8DC
+node "Domestic Violence Prevention" as N2 #CFD8DC
+component "Deterrence Strategies" as N3 #CFD8DC
+frame "Hotspot Policing" as N4 #FFF9C4
+database "Early Intervention Programs" as N5 #CFD8DC
+cloud "Reintegration Programs" as N6 #CFD8DC
+usecase "Conflict Resolution Training" as N7 #CFD8DC
+database "Fraud Prevention" as N8 #D6D9F0
+component "Technology for Prevention" as N9 #CFD8DC
+cloud "Restorative Justice" as N10 #FFF9C4
+circle " " as S0 #FFF9C4
+circle " " as S1 #FFF9C4
+circle " " as S2 #D6D9F0
+circle " " as M0 #FFF9C4
+N0 ..[#FFEB3B]..> N1
+N1 ..[#9FA9E1]..> N2
+N2 ..[#607D8B]..> N3
+N3 ..[#FFEB3B]..> N4
+N4 -[#FFEB3B]-> N5
+N5 ..[#000000]..> N6
+N6 -[#FFEB3B]-> N7
+N7 -[#9FA9E1]-> N8
+N8 -[#000000]-> N9 : analyzes_data
+N9 ..[#FFEB3B]..> N10
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 ..[#607D8B]..> nest0_2
+N3 -[#000000]-> nest0_0
+nest0_2 ..[#9FA9E1]..> N8
+nest1_0 ..[#000000]..> nest1_1
+N6 ..[#000000]..> nest1_0
+nest1_1 -[#9FA9E1]-> N2 : secures
+N5 ..[#000000]..> S0
+S0 ..[#607D8B]..> N9
+S0 ..[#FFEB3B]..> N10
+S0 -[#9FA9E1]-> N7
+N4 -[#607D8B]-> S1
+S1 -[#607D8B]-> N7 : reduces
+S1 -[#000000]-> N9
+N5 -[#FFEB3B]-> S2
+S2 -[#000000]-> N8
+S2 ..[#9FA9E1]..> N7
+S2 -[#FFEB3B]-> N9
+N2 -[#9FA9E1]-> M0
+N0 ..[#FFEB3B]..> M0
+N1 -[#9FA9E1]-> M0
+M0 -[#000000]-> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_311.txt b/test/plantuml/graph_hard/plantuml_311.txt
new file mode 100644
index 0000000000000000000000000000000000000000..26888d9a156489825aac68a6918b519cbfc09267
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_311.txt
@@ -0,0 +1,31 @@
+<Behavioral Science in Prevention, connectedTo, School Safety Programs>
+<Behavioral Science in Prevention, partOf, Drug Prevention Initiatives>
+<Conflict Resolution Training, connectedTo, Fraud Prevention>
+<Crime Prevention Through Education, partOf, Data Sharing Initiatives>
+<Crime Prevention Through Education, secures, Domestic Violence Prevention>
+<Deterrence Strategies, connectedTo, Hotspot Policing>
+<Deterrence Strategies, connectedTo, Rehabilitation Programs>
+<Domestic Violence Prevention, connectedTo, Deterrence Strategies>
+<Domestic Violence Prevention, connectedTo, Hotspot Policing>
+<Early Intervention Programs, connectedTo, Conflict Resolution Training>
+<Early Intervention Programs, connectedTo, Fraud Prevention>
+<Early Intervention Programs, connectedTo, Reintegration Programs>
+<Early Intervention Programs, connectedTo, Restorative Justice>
+<Early Intervention Programs, connectedTo, Technology for Prevention>
+<Environmental Design, connectedTo, Hotspot Policing>
+<Environmental Design, connectedTo, Police_Community Relations>
+<Fraud Prevention, analyzes_data, Technology for Prevention>
+<Hotspot Policing, connectedTo, Early Intervention Programs>
+<Hotspot Policing, connectedTo, Technology for Prevention>
+<Hotspot Policing, reduces, Conflict Resolution Training>
+<Police_Community Relations, connectedTo, Domestic Violence Prevention>
+<Police_Community Relations, connectedTo, Hotspot Policing>
+<Rehabilitation Programs, connectedTo, Behavioral Science in Prevention>
+<Rehabilitation Programs, partOf, Drug Prevention Initiatives>
+<Reintegration Programs, connectedTo, Conflict Resolution Training>
+<Reintegration Programs, connectedTo, Vehicle Theft Prevention>
+<School Safety Programs, connectedTo, Fraud Prevention>
+<School Safety Programs, partOf, Drug Prevention Initiatives>
+<Technology for Prevention, connectedTo, Restorative Justice>
+<Vehicle Theft Prevention, connectedTo, Crime Prevention Through Education>
+<Vehicle Theft Prevention, partOf, Data Sharing Initiatives>
diff --git a/test/plantuml/graph_hard/plantuml_312.puml b/test/plantuml/graph_hard/plantuml_312.puml
new file mode 100644
index 0000000000000000000000000000000000000000..8596cd1b4dad950ebfe366e957b34294731ddf6e
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_312.puml
@@ -0,0 +1,59 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Restorative Justice" as Group0 #E8F5E9 {
+    folder "Youth Programs" as nest0_0 #D6D9F0
+    database "Sexual Assault Prevention" as nest0_1 #D6D9F0
+    folder "Conflict Resolution Training" as nest0_2 #D6D9F0
+    folder "Crisis Intervention" as nest0_3 #BBDEFB
+}
+rectangle "Drug Prevention Initiatives" as Group1 #E3F2FD {
+    artifact "Security Lighting" as nest1_0 #D6D9F0
+    folder "Crime Data Analysis" as nest1_1 #BBDEFB
+}
+component "School Safety Programs" as N0 #F0F0F0
+usecase "Identity Theft Prevention" as N1 #BBDEFB
+node "Patrol Operations" as N2 #D6D9F0
+folder "Reintegration Programs" as N3 #F0F0F0
+artifact "Data Sharing Initiatives" as N4 #F0F0F0
+frame "Rehabilitation Programs" as N5 #F0F0F0
+artifact "Community Policing" as N6 #BBDEFB
+rectangle "Early Intervention Programs" as N7 #D6D9F0
+folder "Environmental Design" as N8 #D6D9F0
+circle " " as S0 #BBDEFB
+circle " " as S1 #D6D9F0
+circle " " as M0 #F0F0F0
+circle " " as M2 #BBDEFB
+N0 ..[#9FA9E1]..> N1
+N1 -[#000000]-> N2
+N2 ..[#D2D2D2]..> N3 : responds
+N3 ..[#D2D2D2]..> N4
+N4 ..[#2196F3]..> N5
+N5 ..[#9FA9E1]..> N6
+N6 -[#000000]-> N7
+N7 ..[#9FA9E1]..> N8
+nest0_0 ..[#9FA9E1]..> nest0_1
+nest0_1 ..[#9FA9E1]..> nest0_2
+nest0_2 -[#2196F3]-> nest0_3
+N1 -[#2196F3]-> nest0_0
+nest0_3 -[#2196F3]-> N3
+nest1_0 -[#D2D2D2]-> nest1_1
+N1 -[#000000]-> nest1_0
+nest1_1 -[#2196F3]-> N3
+N4 -[#000000]-> S0
+S0 ..[#2196F3]..> N8
+S0 ..[#2196F3]..> N6
+N4 -[#000000]-> S1
+S1 ..[#D2D2D2]..> N7
+S1 -[#000000]-> N6
+S1 -[#9FA9E1]-> N8
+N0 ..[#D2D2D2]..> M0
+N1 -[#2196F3]-> M0 : certifies
+M0 ..[#000000]..> N3
+N0 -[#2196F3]-> M2
+N5 -[#000000]-> M2
+N6 ..[#000000]..> M2 : trends
+N1 -[#9FA9E1]-> M2
+M2 ..[#9FA9E1]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_312.txt b/test/plantuml/graph_hard/plantuml_312.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1fc55aad42332554fec0cdd4191675f1d6972349
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_312.txt
@@ -0,0 +1,31 @@
+<Community Policing, connectedTo, Early Intervention Programs>
+<Community Policing, trends, Environmental Design>
+<Conflict Resolution Training, connectedTo, Crisis Intervention>
+<Conflict Resolution Training, partOf, Restorative Justice>
+<Crime Data Analysis, connectedTo, Reintegration Programs>
+<Crime Data Analysis, partOf, Drug Prevention Initiatives>
+<Crisis Intervention, connectedTo, Reintegration Programs>
+<Crisis Intervention, partOf, Restorative Justice>
+<Data Sharing Initiatives, connectedTo, Community Policing>
+<Data Sharing Initiatives, connectedTo, Early Intervention Programs>
+<Data Sharing Initiatives, connectedTo, Environmental Design>
+<Data Sharing Initiatives, connectedTo, Rehabilitation Programs>
+<Early Intervention Programs, connectedTo, Environmental Design>
+<Identity Theft Prevention, certifies, Reintegration Programs>
+<Identity Theft Prevention, connectedTo, Environmental Design>
+<Identity Theft Prevention, connectedTo, Patrol Operations>
+<Identity Theft Prevention, connectedTo, Security Lighting>
+<Identity Theft Prevention, connectedTo, Youth Programs>
+<Patrol Operations, responds, Reintegration Programs>
+<Rehabilitation Programs, connectedTo, Community Policing>
+<Rehabilitation Programs, connectedTo, Environmental Design>
+<Reintegration Programs, connectedTo, Data Sharing Initiatives>
+<School Safety Programs, connectedTo, Environmental Design>
+<School Safety Programs, connectedTo, Identity Theft Prevention>
+<School Safety Programs, connectedTo, Reintegration Programs>
+<Security Lighting, connectedTo, Crime Data Analysis>
+<Security Lighting, partOf, Drug Prevention Initiatives>
+<Sexual Assault Prevention, connectedTo, Conflict Resolution Training>
+<Sexual Assault Prevention, partOf, Restorative Justice>
+<Youth Programs, connectedTo, Sexual Assault Prevention>
+<Youth Programs, partOf, Restorative Justice>
diff --git a/test/plantuml/graph_hard/plantuml_313.puml b/test/plantuml/graph_hard/plantuml_313.puml
new file mode 100644
index 0000000000000000000000000000000000000000..ced8863ce0cb27999250b384fa25722cbbcbc304
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_313.puml
@@ -0,0 +1,79 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Freshwater Conservation" as Group0 #FFF3E0 {
+    component "Policy Advocacy" as nest0_0 #ECEFF1
+    usecase "Captive Breeding Programs" as nest0_1 #ECEFF1
+    usecase "Climate Change Adaptation for Wildlife" as nest0_2 #FFFDE7
+    component "Conservation Education" as nest0_3 #FFFDE7
+}
+rectangle "Species Monitoring" as Group1 #E3F2FD {
+    component "Camera Trap Deployment" as nest1_0 #EFE6FF
+    frame "Research and Development in Conservation" as nest1_1 #FFFDE7
+    cloud "Disease Surveillance" as nest1_2 #EFE6FF
+}
+usecase "Wildlife Rescue and Rehabilitation" as N0 #FFFDE7
+frame "Population Dynamics Study" as N1 #EFE6FF
+folder "Carbon Sequestration in Habitats" as N2 #EFE6FF
+frame "Rewilding Initiatives" as N3 #EFE6FF
+cloud "Invasive Species Control" as N4 #EFE6FF
+frame "Data Management for Conservation" as N5 #FFFDE7
+rectangle "Reintroduction Programs" as N6 #ECEFF1
+frame "Sustainable Resource Management" as N7 #FFFDE7
+frame "Protected Area Management" as N8 #FFFDE7
+cloud "Translocation of Species" as N9 #FFFDE7
+folder "Community Engagement" as N10 #FFFDE7
+frame "Satellite Tracking of Animals" as N11 #ECEFF1
+cloud "Pollution Impact Assessment" as N12 #FFFDE7
+cloud "GIS Mapping for Habitats" as N13 #EFE6FF
+circle " " as S0 #ECEFF1
+circle " " as S1 #EFE6FF
+circle " " as S2 #EFE6FF
+circle " " as M0 #ECEFF1
+circle " " as M1 #EFE6FF
+circle " " as M2 #ECEFF1
+N0 ..[#C2B2F0]..> N1 : secures_areas
+N1 ..[#90A4AE]..> N2
+N2 ..[#C2B2F0]..> N3
+N3 ..[#FBC02D]..> N4
+N4 ..[#90A4AE]..> N5 : policies_influences
+N5 -[#FBC02D]-> N6
+N6 ..[#000000]..> N7 : tracks_animals
+N7 -[#C2B2F0]-> N8
+N8 -[#FBC02D]-> N9
+N9 -[#C2B2F0]-> N10
+N10 ..[#000000]..> N11 : reports
+N11 ..[#C2B2F0]..> N12
+N12 -[#000000]-> N13
+nest0_0 -[#000000]-> nest0_1
+nest0_1 -[#FBC02D]-> nest0_2
+nest0_2 ..[#90A4AE]..> nest0_3
+N12 ..[#90A4AE]..> nest0_0
+nest0_3 ..[#000000]..> N6
+nest1_0 ..[#FBC02D]..> nest1_1
+nest1_1 -[#FBC02D]-> nest1_2
+N5 ..[#90A4AE]..> nest1_0
+nest1_2 -[#000000]-> N8
+N5 ..[#C2B2F0]..> S0
+S0 ..[#90A4AE]..> N13 : responds
+S0 -[#000000]-> N7
+N1 -[#FBC02D]-> S1
+S1 -[#000000]-> N10
+S1 ..[#90A4AE]..> N7 : community_engages
+S1 ..[#C2B2F0]..> N4 : technologies_applies
+N9 -[#C2B2F0]-> S2
+S2 ..[#90A4AE]..> N11
+S2 -[#FBC02D]-> N12 : data_collects
+N3 ..[#FBC02D]..> M0 : surveys
+N2 ..[#000000]..> M0
+N4 ..[#C2B2F0]..> M0
+M0 -[#C2B2F0]-> N6
+N7 -[#C2B2F0]-> M1
+N8 -[#C2B2F0]-> M1
+M1 ..[#90A4AE]..> N10
+N10 -[#C2B2F0]-> M2
+N6 ..[#FBC02D]..> M2
+N5 ..[#FBC02D]..> M2
+M2 -[#FBC02D]-> N12
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_313.txt b/test/plantuml/graph_hard/plantuml_313.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7a72aa0ced93b63c1047caaac7ba7d6418856ced
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_313.txt
@@ -0,0 +1,44 @@
+<Camera Trap Deployment, connectedTo, Research and Development in Conservation>
+<Camera Trap Deployment, partOf, Species Monitoring>
+<Captive Breeding Programs, connectedTo, Climate Change Adaptation for Wildlife>
+<Captive Breeding Programs, partOf, Freshwater Conservation>
+<Carbon Sequestration in Habitats, connectedTo, Reintroduction Programs>
+<Carbon Sequestration in Habitats, connectedTo, Rewilding Initiatives>
+<Climate Change Adaptation for Wildlife, connectedTo, Conservation Education>
+<Climate Change Adaptation for Wildlife, partOf, Freshwater Conservation>
+<Community Engagement, connectedTo, Pollution Impact Assessment>
+<Community Engagement, reports, Satellite Tracking of Animals>
+<Conservation Education, connectedTo, Reintroduction Programs>
+<Conservation Education, partOf, Freshwater Conservation>
+<Data Management for Conservation, connectedTo, Camera Trap Deployment>
+<Data Management for Conservation, connectedTo, Pollution Impact Assessment>
+<Data Management for Conservation, connectedTo, Reintroduction Programs>
+<Data Management for Conservation, connectedTo, Sustainable Resource Management>
+<Data Management for Conservation, responds, GIS Mapping for Habitats>
+<Disease Surveillance, connectedTo, Protected Area Management>
+<Disease Surveillance, partOf, Species Monitoring>
+<Invasive Species Control, connectedTo, Reintroduction Programs>
+<Invasive Species Control, policies_influences, Data Management for Conservation>
+<Policy Advocacy, connectedTo, Captive Breeding Programs>
+<Policy Advocacy, partOf, Freshwater Conservation>
+<Pollution Impact Assessment, connectedTo, GIS Mapping for Habitats>
+<Pollution Impact Assessment, connectedTo, Policy Advocacy>
+<Population Dynamics Study, community_engages, Sustainable Resource Management>
+<Population Dynamics Study, connectedTo, Carbon Sequestration in Habitats>
+<Population Dynamics Study, connectedTo, Community Engagement>
+<Population Dynamics Study, technologies_applies, Invasive Species Control>
+<Protected Area Management, connectedTo, Community Engagement>
+<Protected Area Management, connectedTo, Translocation of Species>
+<Reintroduction Programs, connectedTo, Pollution Impact Assessment>
+<Reintroduction Programs, tracks_animals, Sustainable Resource Management>
+<Research and Development in Conservation, connectedTo, Disease Surveillance>
+<Research and Development in Conservation, partOf, Species Monitoring>
+<Rewilding Initiatives, connectedTo, Invasive Species Control>
+<Rewilding Initiatives, surveys, Reintroduction Programs>
+<Satellite Tracking of Animals, connectedTo, Pollution Impact Assessment>
+<Sustainable Resource Management, connectedTo, Community Engagement>
+<Sustainable Resource Management, connectedTo, Protected Area Management>
+<Translocation of Species, connectedTo, Community Engagement>
+<Translocation of Species, connectedTo, Satellite Tracking of Animals>
+<Translocation of Species, data_collects, Pollution Impact Assessment>
+<Wildlife Rescue and Rehabilitation, secures_areas, Population Dynamics Study>
diff --git a/test/plantuml/graph_hard/plantuml_314.puml b/test/plantuml/graph_hard/plantuml_314.puml
new file mode 100644
index 0000000000000000000000000000000000000000..5403bbe7aa0d87cd1ea2946f8be7c12aa9407491
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_314.puml
@@ -0,0 +1,53 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Drone_based Monitoring" as Group0 #F3E5F5 {
+    rectangle "Rewilding Initiatives" as nest0_0 #C8E6C9
+    folder "Reintroduction Programs" as nest0_1 #F5F5F5
+}
+rectangle "Wildlife Rescue and Rehabilitation" as Group1 #ECEFF1 {
+    folder "Disease Surveillance" as nest1_0 #F5F5F5
+    database "Ecosystem Services Valuation" as nest1_1 #C8E6C9
+}
+component "Habitat Restoration" as N0 #C8E6C9
+folder "Anti_Poaching Operations" as N1 #C8E6C9
+cloud "Remote Sensing for Conservation" as N2 #F5F5F5
+frame "GIS Mapping for Habitats" as N3 #F5F5F5
+artifact "Grassland Conservation" as N4 #F5F5F5
+node "Ecological Survey" as N5 #F5F5F5
+cloud "Community Engagement" as N6 #FFF6D9
+component "Policy Advocacy" as N7 #F5F5F5
+usecase "Protected Area Management" as N8 #C8E6C9
+folder "Species Monitoring" as N9 #C8E6C9
+circle " " as S0 #C8E6C9
+circle " " as S2 #F5F5F5
+circle " " as M0 #F5F5F5
+N0 -[#000000]-> N1
+N1 -[#000000]-> N2
+N2 -[#000000]-> N3
+N3 ..[#FFCC7A]..> N4
+N4 ..[#388E3C]..> N5
+N5 -[#388E3C]-> N6
+N6 -[#BDBDBD]-> N7
+N7 -[#BDBDBD]-> N8
+N8 -[#388E3C]-> N9
+nest0_0 -[#000000]-> nest0_1
+N7 ..[#388E3C]..> nest0_0
+nest0_1 ..[#000000]..> N6
+nest1_0 -[#000000]-> nest1_1
+N6 -[#BDBDBD]-> nest1_0
+nest1_1 ..[#BDBDBD]..> N5
+N1 -[#FFCC7A]-> S0
+S0 -[#000000]-> N3 : educates
+S0 -[#000000]-> N7
+S0 -[#BDBDBD]-> N5
+N2 ..[#000000]..> S2
+S2 ..[#BDBDBD]..> N9
+S2 -[#000000]-> N8
+N2 ..[#BDBDBD]..> M0
+N3 -[#000000]-> M0
+N4 ..[#FFCC7A]..> M0
+N1 -[#388E3C]-> M0
+M0 -[#FFCC7A]-> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_314.txt b/test/plantuml/graph_hard/plantuml_314.txt
new file mode 100644
index 0000000000000000000000000000000000000000..aca4a82962d700be288052443e4b59a45c255f85
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_314.txt
@@ -0,0 +1,28 @@
+<Anti_Poaching Operations, connectedTo, Community Engagement>
+<Anti_Poaching Operations, connectedTo, Ecological Survey>
+<Anti_Poaching Operations, connectedTo, Policy Advocacy>
+<Anti_Poaching Operations, connectedTo, Remote Sensing for Conservation>
+<Anti_Poaching Operations, educates, GIS Mapping for Habitats>
+<Community Engagement, connectedTo, Disease Surveillance>
+<Community Engagement, connectedTo, Policy Advocacy>
+<Disease Surveillance, connectedTo, Ecosystem Services Valuation>
+<Disease Surveillance, partOf, Wildlife Rescue and Rehabilitation>
+<Ecological Survey, connectedTo, Community Engagement>
+<Ecosystem Services Valuation, connectedTo, Ecological Survey>
+<Ecosystem Services Valuation, partOf, Wildlife Rescue and Rehabilitation>
+<GIS Mapping for Habitats, connectedTo, Community Engagement>
+<GIS Mapping for Habitats, connectedTo, Grassland Conservation>
+<Grassland Conservation, connectedTo, Community Engagement>
+<Grassland Conservation, connectedTo, Ecological Survey>
+<Habitat Restoration, connectedTo, Anti_Poaching Operations>
+<Policy Advocacy, connectedTo, Protected Area Management>
+<Policy Advocacy, connectedTo, Rewilding Initiatives>
+<Protected Area Management, connectedTo, Species Monitoring>
+<Reintroduction Programs, connectedTo, Community Engagement>
+<Reintroduction Programs, partOf, Drone_based Monitoring>
+<Remote Sensing for Conservation, connectedTo, Community Engagement>
+<Remote Sensing for Conservation, connectedTo, GIS Mapping for Habitats>
+<Remote Sensing for Conservation, connectedTo, Protected Area Management>
+<Remote Sensing for Conservation, connectedTo, Species Monitoring>
+<Rewilding Initiatives, connectedTo, Reintroduction Programs>
+<Rewilding Initiatives, partOf, Drone_based Monitoring>
diff --git a/test/plantuml/graph_hard/plantuml_315.puml b/test/plantuml/graph_hard/plantuml_315.puml
new file mode 100644
index 0000000000000000000000000000000000000000..c70d102247c7c9766c2a992e51070c231b971c61
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_315.puml
@@ -0,0 +1,75 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Freshwater Conservation" as Group0 #FCE4EC {
+    folder "Community Engagement" as nest0_0 #FCE4EC
+    component "Grassland Conservation" as nest0_1 #DACBE3
+    database "Sustainable Resource Management" as nest0_2 #BBDEFB
+}
+rectangle "Remote Sensing for Conservation" as Group1 #E0F2F1 {
+    folder "Carbon Sequestration in Habitats" as nest1_0 #BBDEFB
+    component "Captive Breeding Programs" as nest1_1 #DACBE3
+    folder "Camera Trap Deployment" as nest1_2 #DACBE3
+    database "Pollution Impact Assessment" as nest1_3 #FCE4EC
+}
+database "Wetland Restoration" as N0 #BBDEFB
+frame "Forestry Practices for Conservation" as N1 #DACBE3
+database "Data Management for Conservation" as N2 #FCE4EC
+node "GIS Mapping for Habitats" as N3 #BBDEFB
+usecase "Ecosystem Services Valuation" as N4 #FCE4EC
+frame "Conservation Education" as N5 #DACBE3
+frame "Invasive Species Control" as N6 #DACBE3
+cloud "Fundraising for Conservation" as N7 #BBDEFB
+usecase "Genetic Diversity Analysis" as N8 #FCE4EC
+usecase "Wildlife Rescue and Rehabilitation" as N9 #BBDEFB
+rectangle "Population Dynamics Study" as N10 #DACBE3
+artifact "Research and Development in Conservation" as N11 #DACBE3
+folder "Law Enforcement" as N12 #DACBE3
+rectangle "Disease Surveillance" as N13 #DACBE3
+folder "Conservation Genetics" as N14 #DACBE3
+folder "International Treaties Enforcement" as N15 #DACBE3
+cloud "Ecotourism Management" as N16 #BBDEFB
+circle " " as S0 #FCE4EC
+circle " " as S1 #BBDEFB
+circle " " as M0 #BBDEFB
+circle " " as M1 #FCE4EC
+N0 -[#A188D0]-> N1
+N1 -[#F06292]-> N2
+N2 ..[#000000]..> N3 : tracks_animals
+N3 -[#2196F3]-> N4 : restores
+N4 -[#F06292]-> N5
+N5 ..[#F06292]..> N6
+N6 ..[#2196F3]..> N7
+N7 ..[#000000]..> N8
+N8 -[#F06292]-> N9
+N9 ..[#A188D0]..> N10
+N10 -[#000000]-> N11
+N11 -[#2196F3]-> N12 : climate_adapts
+N12 ..[#A188D0]..> N13
+N13 -[#A188D0]-> N14
+N14 -[#000000]-> N15
+N15 ..[#000000]..> N16
+nest0_0 -[#A188D0]-> nest0_1
+nest0_1 -[#F06292]-> nest0_2
+N4 -[#F06292]-> nest0_0
+nest0_2 ..[#A188D0]..> N1
+nest1_0 ..[#2196F3]..> nest1_1 : manages
+nest1_1 ..[#2196F3]..> nest1_2
+nest1_2 ..[#F06292]..> nest1_3
+N1 ..[#F06292]..> nest1_0
+nest1_3 -[#2196F3]-> N4
+N5 -[#2196F3]-> S0
+S0 ..[#2196F3]..> N12
+S0 -[#F06292]-> N15
+N3 -[#000000]-> S1
+S1 ..[#A188D0]..> N14 : monitors
+S1 ..[#000000]..> N12
+N9 ..[#000000]..> M0
+N4 ..[#2196F3]..> M0
+N8 -[#2196F3]-> M0
+M0 ..[#2196F3]..> N11
+N1 ..[#2196F3]..> M1
+N7 -[#A188D0]-> M1
+M1 -[#2196F3]-> N11
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_315.txt b/test/plantuml/graph_hard/plantuml_315.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fe1b03b867b1f6dd437ae7cf50041aa26e23503c
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_315.txt
@@ -0,0 +1,41 @@
+<Camera Trap Deployment, connectedTo, Pollution Impact Assessment>
+<Camera Trap Deployment, partOf, Remote Sensing for Conservation>
+<Captive Breeding Programs, connectedTo, Camera Trap Deployment>
+<Captive Breeding Programs, partOf, Remote Sensing for Conservation>
+<Carbon Sequestration in Habitats, manages, Captive Breeding Programs>
+<Carbon Sequestration in Habitats, partOf, Remote Sensing for Conservation>
+<Community Engagement, connectedTo, Grassland Conservation>
+<Community Engagement, partOf, Freshwater Conservation>
+<Conservation Education, connectedTo, International Treaties Enforcement>
+<Conservation Education, connectedTo, Invasive Species Control>
+<Conservation Education, connectedTo, Law Enforcement>
+<Conservation Genetics, connectedTo, International Treaties Enforcement>
+<Data Management for Conservation, tracks_animals, GIS Mapping for Habitats>
+<Disease Surveillance, connectedTo, Conservation Genetics>
+<Ecosystem Services Valuation, connectedTo, Community Engagement>
+<Ecosystem Services Valuation, connectedTo, Conservation Education>
+<Ecosystem Services Valuation, connectedTo, Research and Development in Conservation>
+<Forestry Practices for Conservation, connectedTo, Carbon Sequestration in Habitats>
+<Forestry Practices for Conservation, connectedTo, Data Management for Conservation>
+<Forestry Practices for Conservation, connectedTo, Research and Development in Conservation>
+<Fundraising for Conservation, connectedTo, Genetic Diversity Analysis>
+<Fundraising for Conservation, connectedTo, Research and Development in Conservation>
+<GIS Mapping for Habitats, connectedTo, Law Enforcement>
+<GIS Mapping for Habitats, monitors, Conservation Genetics>
+<GIS Mapping for Habitats, restores, Ecosystem Services Valuation>
+<Genetic Diversity Analysis, connectedTo, Research and Development in Conservation>
+<Genetic Diversity Analysis, connectedTo, Wildlife Rescue and Rehabilitation>
+<Grassland Conservation, connectedTo, Sustainable Resource Management>
+<Grassland Conservation, partOf, Freshwater Conservation>
+<International Treaties Enforcement, connectedTo, Ecotourism Management>
+<Invasive Species Control, connectedTo, Fundraising for Conservation>
+<Law Enforcement, connectedTo, Disease Surveillance>
+<Pollution Impact Assessment, connectedTo, Ecosystem Services Valuation>
+<Pollution Impact Assessment, partOf, Remote Sensing for Conservation>
+<Population Dynamics Study, connectedTo, Research and Development in Conservation>
+<Research and Development in Conservation, climate_adapts, Law Enforcement>
+<Sustainable Resource Management, connectedTo, Forestry Practices for Conservation>
+<Sustainable Resource Management, partOf, Freshwater Conservation>
+<Wetland Restoration, connectedTo, Forestry Practices for Conservation>
+<Wildlife Rescue and Rehabilitation, connectedTo, Population Dynamics Study>
+<Wildlife Rescue and Rehabilitation, connectedTo, Research and Development in Conservation>
diff --git a/test/plantuml/graph_hard/plantuml_316.puml b/test/plantuml/graph_hard/plantuml_316.puml
new file mode 100644
index 0000000000000000000000000000000000000000..c88a2a6565b9ccc0e18ea5c8fb20266802a2ab9f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_316.puml
@@ -0,0 +1,67 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Ocean Carbon Cycle" as Group0 #E8F5E9 {
+    rectangle "Fisheries Management" as nest0_0 #C9F0F0
+    cloud "Coastal Erosion Research" as nest0_1 #C8E6C9
+    database "Sea Level Monitoring" as nest0_2 #C9F0F0
+}
+rectangle "Marine Geology" as Group1 #FBE9E7 {
+    database "Marine Hazards Assessment" as nest1_0 #C8E6C9
+    artifact "Physical Oceanography" as nest1_1 #C9F0F0
+}
+component "Hydrothermal Vent Exploration" as N0 #ECF0FD
+folder "Chemical Oceanography" as N1 #C9F0F0
+folder "Data Visualization" as N2 #C8E6C9
+rectangle "Marine Life Observation" as N3 #C8E6C9
+frame "Ocean Floor Mapping" as N4 #ECF0FD
+cloud "Marine Biodiversity Assessment" as N5 #C8E6C9
+folder "Ocean Renewable Energy" as N6 #C9F0F0
+usecase "Acoustic Oceanography" as N7 #C8E6C9
+database "Buoy Deployment" as N8 #C8E6C9
+component "Marine Ecosystem Health" as N9 #C8E6C9
+node "Ocean Modeling" as N10 #ECF0FD
+component "Underwater Acoustics" as N11 #ECF0FD
+node "Ocean Current Measurement" as N12 #C9F0F0
+folder "Deep_Sea Exploration" as N13 #C8E6C9
+circle " " as S0 #ECF0FD
+circle " " as S1 #C9F0F0
+circle " " as S2 #C9F0F0
+circle " " as M0 #C8E6C9
+N0 ..[#388E3C]..> N1 : visualizes_data
+N1 ..[#388E3C]..> N2
+N2 -[#B8C0F5]-> N3
+N3 ..[#388E3C]..> N4 : temperature
+N4 -[#4DD0E1]-> N5
+N5 -[#4DD0E1]-> N6
+N6 -[#000000]-> N7
+N7 -[#B8C0F5]-> N8
+N8 -[#000000]-> N9
+N9 -[#000000]-> N10
+N10 -[#4DD0E1]-> N11 : researches
+N11 -[#4DD0E1]-> N12
+N12 ..[#000000]..> N13 : climate_impacts
+nest0_0 -[#000000]-> nest0_1
+nest0_1 ..[#000000]..> nest0_2
+N1 -[#000000]-> nest0_0 : processes_images
+nest0_2 -[#388E3C]-> N3
+nest1_0 -[#388E3C]-> nest1_1
+N5 ..[#4DD0E1]..> nest1_0
+nest1_1 -[#B8C0F5]-> N8
+N6 ..[#B8C0F5]..> S0
+S0 -[#B8C0F5]-> N9
+S0 -[#B8C0F5]-> N13
+S0 -[#000000]-> N11
+N3 ..[#4DD0E1]..> S1
+S1 ..[#B8C0F5]..> N11 : charts
+S1 ..[#B8C0F5]..> N6
+S1 -[#4DD0E1]-> N5
+N0 -[#000000]-> S2
+S2 -[#B8C0F5]-> N5 : interprets
+S2 ..[#388E3C]..> N7
+N2 ..[#4DD0E1]..> M0
+N0 ..[#388E3C]..> M0
+N1 -[#000000]-> M0
+M0 ..[#B8C0F5]..> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_316.txt b/test/plantuml/graph_hard/plantuml_316.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1281a25a42a7e864c5d14ab6f27539c2ecba038c
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_316.txt
@@ -0,0 +1,36 @@
+<Acoustic Oceanography, connectedTo, Buoy Deployment>
+<Buoy Deployment, connectedTo, Marine Ecosystem Health>
+<Chemical Oceanography, connectedTo, Data Visualization>
+<Chemical Oceanography, connectedTo, Ocean Floor Mapping>
+<Chemical Oceanography, processes_images, Fisheries Management>
+<Coastal Erosion Research, connectedTo, Sea Level Monitoring>
+<Coastal Erosion Research, partOf, Ocean Carbon Cycle>
+<Data Visualization, connectedTo, Marine Life Observation>
+<Data Visualization, connectedTo, Ocean Floor Mapping>
+<Fisheries Management, connectedTo, Coastal Erosion Research>
+<Fisheries Management, partOf, Ocean Carbon Cycle>
+<Hydrothermal Vent Exploration, connectedTo, Acoustic Oceanography>
+<Hydrothermal Vent Exploration, connectedTo, Ocean Floor Mapping>
+<Hydrothermal Vent Exploration, interprets, Marine Biodiversity Assessment>
+<Hydrothermal Vent Exploration, visualizes_data, Chemical Oceanography>
+<Marine Biodiversity Assessment, connectedTo, Marine Hazards Assessment>
+<Marine Biodiversity Assessment, connectedTo, Ocean Renewable Energy>
+<Marine Ecosystem Health, connectedTo, Ocean Modeling>
+<Marine Hazards Assessment, connectedTo, Physical Oceanography>
+<Marine Hazards Assessment, partOf, Marine Geology>
+<Marine Life Observation, charts, Underwater Acoustics>
+<Marine Life Observation, connectedTo, Marine Biodiversity Assessment>
+<Marine Life Observation, connectedTo, Ocean Renewable Energy>
+<Marine Life Observation, temperature, Ocean Floor Mapping>
+<Ocean Current Measurement, climate_impacts, Deep_Sea Exploration>
+<Ocean Floor Mapping, connectedTo, Marine Biodiversity Assessment>
+<Ocean Modeling, researches, Underwater Acoustics>
+<Ocean Renewable Energy, connectedTo, Acoustic Oceanography>
+<Ocean Renewable Energy, connectedTo, Deep_Sea Exploration>
+<Ocean Renewable Energy, connectedTo, Marine Ecosystem Health>
+<Ocean Renewable Energy, connectedTo, Underwater Acoustics>
+<Physical Oceanography, connectedTo, Buoy Deployment>
+<Physical Oceanography, partOf, Marine Geology>
+<Sea Level Monitoring, connectedTo, Marine Life Observation>
+<Sea Level Monitoring, partOf, Ocean Carbon Cycle>
+<Underwater Acoustics, connectedTo, Ocean Current Measurement>
diff --git a/test/plantuml/graph_hard/plantuml_317.puml b/test/plantuml/graph_hard/plantuml_317.puml
new file mode 100644
index 0000000000000000000000000000000000000000..73428c072cf322ab852c16ed39ba4c4ae4d8f457
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_317.puml
@@ -0,0 +1,84 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Sea Level Monitoring" as Group0 #F1F8E9 {
+    folder "Tsunami Prediction" as nest0_0 #C8E6C9
+    folder "Coastal Zone Management" as nest0_1 #ECEFF1
+    folder "Coral Reef Monitoring" as nest0_2 #ECEFF1
+    folder "Satellite Oceanography" as nest0_3 #C8E6C9
+}
+rectangle "Marine Pollution Monitoring" as Group1 #E0F2F1 {
+    folder "Ocean Data Archiving" as nest1_0 #FFEBEE
+    cloud "Marine Ecosystem Health" as nest1_1 #ECEFF1
+    folder "Ocean Carbon Cycle" as nest1_2 #ECEFF1
+}
+folder "Ocean Acidification Research" as N0 #ECEFF1
+component "Ocean Floor Mapping" as N1 #FFEBEE
+component "Ocean Current Measurement" as N2 #C8E6C9
+node "Physical Oceanography" as N3 #FFEBEE
+folder "Underwater Acoustics" as N4 #C8E6C9
+component "Ocean Temperature Sensing" as N5 #ECEFF1
+frame "Ocean Modeling" as N6 #FFEBEE
+artifact "Data Visualization" as N7 #ECEFF1
+cloud "Marine Geology" as N8 #ECEFF1
+folder "Acoustic Oceanography" as N9 #FFEBEE
+component "Salinity Measurement" as N10 #C8E6C9
+component "Ocean Drilling Programs" as N11 #C8E6C9
+usecase "Marine Remote Sensing" as N12 #FFEBEE
+component "Deep_Sea Exploration" as N13 #ECEFF1
+cloud "Hydrothermal Vent Exploration" as N14 #ECEFF1
+rectangle "Biological Oceanography" as N15 #ECEFF1
+node "Marine Biodiversity Assessment" as N16 #C8E6C9
+cloud "Marine Life Observation" as N17 #FFEBEE
+circle " " as S0 #FFEBEE
+circle " " as S1 #ECEFF1
+circle " " as S2 #FFEBEE
+circle " " as M0 #C8E6C9
+circle " " as M1 #FFEBEE
+N0 -[#4CAF50]-> N1
+N1 -[#4CAF50]-> N2
+N2 ..[#000000]..> N3
+N3 ..[#000000]..> N4
+N4 ..[#4CAF50]..> N5
+N5 ..[#90A4AE]..> N6
+N6 -[#4CAF50]-> N7
+N7 -[#E57373]-> N8
+N8 -[#E57373]-> N9 : educates
+N9 -[#E57373]-> N10
+N10 -[#000000]-> N11
+N11 ..[#E57373]..> N12 : analyzes_data
+N12 -[#E57373]-> N13 : maintains_buoys
+N13 ..[#90A4AE]..> N14 : conserves
+N14 ..[#E57373]..> N15 : climate_impacts
+N15 -[#000000]-> N16
+N16 -[#90A4AE]-> N17
+nest0_0 ..[#E57373]..> nest0_1
+nest0_1 ..[#4CAF50]..> nest0_2 : visualizes_data
+nest0_2 ..[#000000]..> nest0_3
+N16 -[#000000]-> nest0_0 : observes
+nest0_3 ..[#90A4AE]..> N15
+nest1_0 ..[#E57373]..> nest1_1
+nest1_1 ..[#4CAF50]..> nest1_2
+N16 -[#E57373]-> nest1_0
+nest1_2 ..[#4CAF50]..> N7
+N13 ..[#E57373]..> S0
+S0 -[#4CAF50]-> N17
+S0 -[#000000]-> N15
+S0 -[#000000]-> N16 : collects_data
+N3 -[#000000]-> S1
+S1 ..[#90A4AE]..> N11
+S1 -[#4CAF50]-> N12
+S1 ..[#E57373]..> N15
+N11 ..[#E57373]..> S2
+S2 ..[#E57373]..> N17
+S2 ..[#E57373]..> N14
+S2 ..[#90A4AE]..> N15
+S2 -[#90A4AE]-> N16
+N9 -[#90A4AE]-> M0
+N3 -[#90A4AE]-> M0
+M0 -[#90A4AE]-> N15
+N7 ..[#000000]..> M1
+N9 ..[#90A4AE]..> M1
+M1 -[#4CAF50]-> N15
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_317.txt b/test/plantuml/graph_hard/plantuml_317.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c28d43545ca34f7a621b2d5c583a2967e7030bb0
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_317.txt
@@ -0,0 +1,45 @@
+<Acoustic Oceanography, connectedTo, Biological Oceanography>
+<Acoustic Oceanography, connectedTo, Salinity Measurement>
+<Biological Oceanography, connectedTo, Marine Biodiversity Assessment>
+<Coastal Zone Management, partOf, Sea Level Monitoring>
+<Coastal Zone Management, visualizes_data, Coral Reef Monitoring>
+<Coral Reef Monitoring, connectedTo, Satellite Oceanography>
+<Coral Reef Monitoring, partOf, Sea Level Monitoring>
+<Data Visualization, connectedTo, Biological Oceanography>
+<Data Visualization, connectedTo, Marine Geology>
+<Deep_Sea Exploration, collects_data, Marine Biodiversity Assessment>
+<Deep_Sea Exploration, connectedTo, Biological Oceanography>
+<Deep_Sea Exploration, connectedTo, Marine Life Observation>
+<Deep_Sea Exploration, conserves, Hydrothermal Vent Exploration>
+<Hydrothermal Vent Exploration, climate_impacts, Biological Oceanography>
+<Marine Biodiversity Assessment, connectedTo, Marine Life Observation>
+<Marine Biodiversity Assessment, connectedTo, Ocean Data Archiving>
+<Marine Biodiversity Assessment, observes, Tsunami Prediction>
+<Marine Ecosystem Health, connectedTo, Ocean Carbon Cycle>
+<Marine Ecosystem Health, partOf, Marine Pollution Monitoring>
+<Marine Geology, educates, Acoustic Oceanography>
+<Marine Remote Sensing, maintains_buoys, Deep_Sea Exploration>
+<Ocean Acidification Research, connectedTo, Ocean Floor Mapping>
+<Ocean Carbon Cycle, connectedTo, Data Visualization>
+<Ocean Carbon Cycle, partOf, Marine Pollution Monitoring>
+<Ocean Current Measurement, connectedTo, Physical Oceanography>
+<Ocean Data Archiving, connectedTo, Marine Ecosystem Health>
+<Ocean Data Archiving, partOf, Marine Pollution Monitoring>
+<Ocean Drilling Programs, analyzes_data, Marine Remote Sensing>
+<Ocean Drilling Programs, connectedTo, Biological Oceanography>
+<Ocean Drilling Programs, connectedTo, Hydrothermal Vent Exploration>
+<Ocean Drilling Programs, connectedTo, Marine Biodiversity Assessment>
+<Ocean Drilling Programs, connectedTo, Marine Life Observation>
+<Ocean Floor Mapping, connectedTo, Ocean Current Measurement>
+<Ocean Modeling, connectedTo, Data Visualization>
+<Ocean Temperature Sensing, connectedTo, Ocean Modeling>
+<Physical Oceanography, connectedTo, Biological Oceanography>
+<Physical Oceanography, connectedTo, Marine Remote Sensing>
+<Physical Oceanography, connectedTo, Ocean Drilling Programs>
+<Physical Oceanography, connectedTo, Underwater Acoustics>
+<Salinity Measurement, connectedTo, Ocean Drilling Programs>
+<Satellite Oceanography, connectedTo, Biological Oceanography>
+<Satellite Oceanography, partOf, Sea Level Monitoring>
+<Tsunami Prediction, connectedTo, Coastal Zone Management>
+<Tsunami Prediction, partOf, Sea Level Monitoring>
+<Underwater Acoustics, connectedTo, Ocean Temperature Sensing>
diff --git a/test/plantuml/graph_hard/plantuml_318.puml b/test/plantuml/graph_hard/plantuml_318.puml
new file mode 100644
index 0000000000000000000000000000000000000000..6cec0b0bce7621d50866e4ced713068815e1cadb
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_318.puml
@@ -0,0 +1,77 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Seabed Resource Exploration" as Group0 #FBE9E7 {
+    usecase "Marine Life Observation" as nest0_0 #FFFDE7
+    folder "Hydrothermal Vent Exploration" as nest0_1 #FFFDE7
+}
+rectangle "Chemical Oceanography" as Group1 #E0F2F1 {
+    usecase "Ocean Temperature Sensing" as nest1_0 #F5F5F5
+    folder "Coastal Erosion Research" as nest1_1 #FFFDE7
+    folder "Sea Level Monitoring" as nest1_2 #CFD8DC
+    usecase "Marine Hazards Assessment" as nest1_3 #CFD8DC
+}
+cloud "Data Visualization" as N0 #CFD8DC
+artifact "Acoustic Oceanography" as N1 #F5F5F5
+frame "Marine Biodiversity Assessment" as N2 #CFD8DC
+frame "Ocean Acidification Research" as N3 #F5F5F5
+database "Plastic Pollution Research" as N4 #CFD8DC
+artifact "Tsunami Prediction" as N5 #FFFDE7
+cloud "Marine Remote Sensing" as N6 #F5F5F5
+usecase "Polar Oceanography" as N7 #F5F5F5
+folder "Underwater Acoustics" as N8 #FFFDE7
+cloud "Biological Oceanography" as N9 #CFD8DC
+cloud "Coral Reef Monitoring" as N10 #CFD8DC
+frame "Marine Protected Area Planning" as N11 #F5F5F5
+artifact "Physical Oceanography" as N12 #FFFDE7
+rectangle "Ocean Drilling Programs" as N13 #CFD8DC
+database "Salinity Measurement" as N14 #FFFDE7
+frame "Ocean Modeling" as N15 #CFD8DC
+cloud "Marine Pollution Monitoring" as N16 #FFFDE7
+usecase "Climate Change Impact Study" as N17 #F5F5F5
+circle " " as S0 #F5F5F5
+circle " " as S1 #F5F5F5
+circle " " as S2 #F5F5F5
+circle " " as M0 #F5F5F5
+N0 -[#FFF176]-> N1
+N1 ..[#FFF176]..> N2
+N2 -[#607D8B]-> N3
+N3 ..[#000000]..> N4
+N4 ..[#000000]..> N5
+N5 -[#FFF176]-> N6
+N6 -[#FFF176]-> N7
+N7 ..[#000000]..> N8
+N8 -[#000000]-> N9
+N9 ..[#FFF176]..> N10
+N10 ..[#607D8B]..> N11
+N11 ..[#607D8B]..> N12
+N12 ..[#000000]..> N13
+N13 ..[#607D8B]..> N14
+N14 -[#607D8B]-> N15
+N15 ..[#FFF176]..> N16
+N16 ..[#BDBDBD]..> N17
+nest0_0 ..[#BDBDBD]..> nest0_1
+N14 ..[#000000]..> nest0_0
+nest0_1 -[#BDBDBD]-> N1
+nest1_0 -[#000000]-> nest1_1
+nest1_1 ..[#BDBDBD]..> nest1_2
+nest1_2 -[#FFF176]-> nest1_3 : studies
+N3 ..[#000000]..> nest1_0
+nest1_3 -[#607D8B]-> N13
+N14 ..[#BDBDBD]..> S0
+S0 -[#BDBDBD]-> N17
+S0 ..[#BDBDBD]..> N16
+N9 -[#BDBDBD]-> S1
+S1 ..[#BDBDBD]..> N14
+S1 ..[#000000]..> N16
+S1 -[#FFF176]-> N15
+S1 ..[#607D8B]..> N11
+N13 ..[#FFF176]..> S2
+S2 ..[#BDBDBD]..> N17
+S2 -[#000000]-> N16
+N3 ..[#000000]..> M0 : salinity
+N0 -[#FFF176]-> M0
+N6 -[#000000]-> M0
+M0 -[#FFF176]-> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_318.txt b/test/plantuml/graph_hard/plantuml_318.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ea6d28ac24cd17cce5c3383dc07281ac9d6a8fa6
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_318.txt
@@ -0,0 +1,42 @@
+<Acoustic Oceanography, connectedTo, Marine Biodiversity Assessment>
+<Biological Oceanography, connectedTo, Coral Reef Monitoring>
+<Biological Oceanography, connectedTo, Marine Pollution Monitoring>
+<Biological Oceanography, connectedTo, Marine Protected Area Planning>
+<Biological Oceanography, connectedTo, Ocean Modeling>
+<Biological Oceanography, connectedTo, Salinity Measurement>
+<Coastal Erosion Research, connectedTo, Sea Level Monitoring>
+<Coastal Erosion Research, partOf, Chemical Oceanography>
+<Coral Reef Monitoring, connectedTo, Marine Protected Area Planning>
+<Data Visualization, connectedTo, Acoustic Oceanography>
+<Data Visualization, connectedTo, Biological Oceanography>
+<Hydrothermal Vent Exploration, connectedTo, Acoustic Oceanography>
+<Hydrothermal Vent Exploration, partOf, Seabed Resource Exploration>
+<Marine Biodiversity Assessment, connectedTo, Ocean Acidification Research>
+<Marine Hazards Assessment, connectedTo, Ocean Drilling Programs>
+<Marine Hazards Assessment, partOf, Chemical Oceanography>
+<Marine Life Observation, connectedTo, Hydrothermal Vent Exploration>
+<Marine Life Observation, partOf, Seabed Resource Exploration>
+<Marine Pollution Monitoring, connectedTo, Climate Change Impact Study>
+<Marine Protected Area Planning, connectedTo, Physical Oceanography>
+<Marine Remote Sensing, connectedTo, Biological Oceanography>
+<Marine Remote Sensing, connectedTo, Polar Oceanography>
+<Ocean Acidification Research, connectedTo, Ocean Temperature Sensing>
+<Ocean Acidification Research, connectedTo, Plastic Pollution Research>
+<Ocean Acidification Research, salinity, Biological Oceanography>
+<Ocean Drilling Programs, connectedTo, Climate Change Impact Study>
+<Ocean Drilling Programs, connectedTo, Marine Pollution Monitoring>
+<Ocean Drilling Programs, connectedTo, Salinity Measurement>
+<Ocean Modeling, connectedTo, Marine Pollution Monitoring>
+<Ocean Temperature Sensing, connectedTo, Coastal Erosion Research>
+<Ocean Temperature Sensing, partOf, Chemical Oceanography>
+<Physical Oceanography, connectedTo, Ocean Drilling Programs>
+<Plastic Pollution Research, connectedTo, Tsunami Prediction>
+<Polar Oceanography, connectedTo, Underwater Acoustics>
+<Salinity Measurement, connectedTo, Climate Change Impact Study>
+<Salinity Measurement, connectedTo, Marine Life Observation>
+<Salinity Measurement, connectedTo, Marine Pollution Monitoring>
+<Salinity Measurement, connectedTo, Ocean Modeling>
+<Sea Level Monitoring, partOf, Chemical Oceanography>
+<Sea Level Monitoring, studies, Marine Hazards Assessment>
+<Tsunami Prediction, connectedTo, Marine Remote Sensing>
+<Underwater Acoustics, connectedTo, Biological Oceanography>
diff --git a/test/plantuml/graph_hard/plantuml_319.puml b/test/plantuml/graph_hard/plantuml_319.puml
new file mode 100644
index 0000000000000000000000000000000000000000..646313ff5c997115368d2afe9d719b5b77151cdf
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_319.puml
@@ -0,0 +1,72 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Data Archiving and Distribution" as Group0 #F1F8E9 {
+    usecase "Subsurface Imaging" as nest0_0 #C8E6C9
+    component "Seismic Tomography" as nest0_1 #C8E6C9
+}
+rectangle "Aftershock Analysis" as Group1 #EDE7F6 {
+    folder "Tectonic Stress Measurement" as nest1_0 #E1BEE7
+    folder "Earthquake Detection" as nest1_1 #F1F8E9
+    usecase "Earthquake Early Warning Systems" as nest1_2 #F1F8E9
+}
+folder "Tectonic Plate Movement Monitoring" as N0 #E1BEE7
+node "Planetary Seismology" as N1 #F1F8E9
+frame "Microseismicity Study" as N2 #F1F8E9
+folder "Seismic Hazard Assessment" as N3 #F1F8E9
+database "Epicenter Location" as N4 #E1BEE7
+folder "Seismic Network Operations" as N5 #C8E6C9
+database "Seismic Array Deployment" as N6 #F1F8E9
+cloud "P_Wave or S_Wave Distinction" as N7 #C8E6C9
+artifact "Structural Response to Earthquakes" as N8 #C8E6C9
+component "Nuclear Test Monitoring" as N9 #F1F8E9
+cloud "Earthquake Prediction Research" as N10 #E1BEE7
+usecase "Seismic Wave Analysis" as N11 #E1BEE7
+frame "Ground Motion Prediction" as N12 #E1BEE7
+node "Strong Motion Instrumentation" as N13 #E1BEE7
+node "Volcanic Seismology" as N14 #E1BEE7
+cloud "Fault Line Mapping" as N15 #C8E6C9
+node "Building Code Development" as N16 #C8E6C9
+cloud "Liquefaction Potential Assessment" as N17 #E1BEE7
+database "Magnitude Determination" as N18 #F1F8E9
+circle " " as S0 #C8E6C9
+circle " " as S1 #F1F8E9
+circle " " as M1 #E1BEE7
+N0 -[#9C27B0]-> N1
+N1 ..[#81C784]..> N2
+N2 ..[#000000]..> N3
+N3 -[#81C784]-> N4
+N4 -[#9C27B0]-> N5
+N5 -[#9C27B0]-> N6
+N6 ..[#4CAF50]..> N7
+N7 ..[#000000]..> N8
+N8 -[#81C784]-> N9
+N9 -[#4CAF50]-> N10
+N10 -[#81C784]-> N11
+N11 -[#000000]-> N12
+N12 -[#81C784]-> N13
+N13 ..[#81C784]..> N14
+N14 ..[#000000]..> N15
+N15 -[#81C784]-> N16
+N16 -[#4CAF50]-> N17
+N17 -[#81C784]-> N18
+nest0_0 -[#9C27B0]-> nest0_1
+N14 ..[#81C784]..> nest0_0
+nest0_1 -[#9C27B0]-> N15
+nest1_0 -[#000000]-> nest1_1
+nest1_1 -[#000000]-> nest1_2
+N6 ..[#000000]..> nest1_0
+nest1_2 ..[#000000]..> N18
+N11 -[#4CAF50]-> S0
+S0 ..[#000000]..> N15
+S0 -[#000000]-> N13
+N9 ..[#81C784]..> S1
+S1 -[#4CAF50]-> N11
+S1 ..[#9C27B0]..> N14
+S1 -[#9C27B0]-> N13
+N8 ..[#81C784]..> M1
+N7 ..[#4CAF50]..> M1
+N5 ..[#81C784]..> M1
+M1 ..[#000000]..> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_32.puml b/test/plantuml/graph_hard/plantuml_32.puml
new file mode 100644
index 0000000000000000000000000000000000000000..824514c4bda8f4afbdecd110bc1a432e7b9a2209
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_32.puml
@@ -0,0 +1,77 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Drone Scouting" as Group0 #FFF3E0 {
+    artifact "Precision Farming" as nest0_0 #DDCEDD
+    usecase "Supply Chain to Retailers" as nest0_1 #EDF5F3
+    rectangle "Water Level Measurement" as nest0_2 #E0F2F1
+    folder "Harvesting" as nest0_3 #E0F2F1
+}
+rectangle "Forestry Management" as Group1 #F3E5F5 {
+    frame "Soil Nutrient Management" as nest1_0 #DDCEDD
+    database "Barn Cleaning" as nest1_1 #EDF5F3
+    database "Fertilizer Application" as nest1_2 #EDF5F3
+}
+cloud "Crop Rotation Planning" as N0 #E0F2F1
+frame "Food Processing" as N1 #DDCEDD
+node "Aquaculture Farming" as N2 #DDCEDD
+artifact "Traceability System" as N3 #E0F2F1
+cloud "Market Transportation" as N4 #DDCEDD
+cloud "Packaging for Sale" as N5 #DDCEDD
+component "Weed Removal" as N6 #E0F2F1
+component "Crop Monitoring" as N7 #EDF5F3
+artifact "Equipment Repair" as N8 #E0F2F1
+database "Subsidy Application" as N9 #E0F2F1
+artifact "Grain Drying" as N10 #E0F2F1
+folder "Livestock Feeding" as N11 #DDCEDD
+database "Pest Spraying" as N12 #EDF5F3
+folder "Seedling Transplanting" as N13 #DDCEDD
+frame "Automated Milking" as N14 #E0F2F1
+usecase "Weather Tracking" as N15 #DDCEDD
+circle " " as S0 #E0F2F1
+circle " " as S1 #EDF5F3
+circle " " as S2 #E0F2F1
+circle " " as M0 #EDF5F3
+circle " " as M1 #E0F2F1
+N0 ..[#000000]..> N1
+N1 ..[#A1D7CD]..> N2
+N2 ..[#26A69A]..> N3
+N3 ..[#AF56A6]..> N4 : sells
+N4 ..[#AF56A6]..> N5
+N5 ..[#26A69A]..> N6
+N6 ..[#000000]..> N7
+N7 -[#AF56A6]-> N8
+N8 ..[#26A69A]..> N9
+N9 -[#26A69A]-> N10
+N10 ..[#000000]..> N11
+N11 ..[#26A69A]..> N12
+N12 -[#000000]-> N13
+N13 -[#26A69A]-> N14
+N14 ..[#26A69A]..> N15 : tests
+nest0_0 -[#26A69A]-> nest0_1
+nest0_1 ..[#A1D7CD]..> nest0_2
+nest0_2 -[#000000]-> nest0_3
+N10 ..[#AF56A6]..> nest0_0
+nest0_3 ..[#26A69A]..> N5
+nest1_0 ..[#A1D7CD]..> nest1_1
+nest1_1 -[#000000]-> nest1_2
+N10 ..[#26A69A]..> nest1_0
+nest1_2 -[#000000]-> N8 : repairs
+N8 ..[#AF56A6]..> S0
+S0 ..[#000000]..> N15 : innovates
+S0 ..[#000000]..> N14
+S0 -[#26A69A]-> N10
+N5 ..[#A1D7CD]..> S1
+S1 ..[#A1D7CD]..> N14
+S1 ..[#000000]..> N13
+N3 -[#26A69A]-> S2
+S2 ..[#000000]..> N13
+S2 ..[#000000]..> N10 : fertilizes
+N9 ..[#AF56A6]..> M0
+N3 -[#26A69A]-> M0
+M0 -[#AF56A6]-> N14
+N0 ..[#AF56A6]..> M1
+N1 ..[#000000]..> M1
+M1 -[#26A69A]-> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_32.txt b/test/plantuml/graph_hard/plantuml_32.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5293336382fbefb61d268c559bcda16aee1469cf
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_32.txt
@@ -0,0 +1,42 @@
+<Aquaculture Farming, connectedTo, Traceability System>
+<Automated Milking, tests, Weather Tracking>
+<Barn Cleaning, connectedTo, Fertilizer Application>
+<Barn Cleaning, partOf, Forestry Management>
+<Crop Monitoring, connectedTo, Equipment Repair>
+<Crop Rotation Planning, connectedTo, Food Processing>
+<Crop Rotation Planning, connectedTo, Traceability System>
+<Equipment Repair, connectedTo, Automated Milking>
+<Equipment Repair, connectedTo, Grain Drying>
+<Equipment Repair, connectedTo, Subsidy Application>
+<Equipment Repair, innovates, Weather Tracking>
+<Fertilizer Application, partOf, Forestry Management>
+<Fertilizer Application, repairs, Equipment Repair>
+<Food Processing, connectedTo, Aquaculture Farming>
+<Food Processing, connectedTo, Traceability System>
+<Grain Drying, connectedTo, Livestock Feeding>
+<Grain Drying, connectedTo, Precision Farming>
+<Grain Drying, connectedTo, Soil Nutrient Management>
+<Harvesting, connectedTo, Packaging for Sale>
+<Harvesting, partOf, Drone Scouting>
+<Livestock Feeding, connectedTo, Pest Spraying>
+<Market Transportation, connectedTo, Packaging for Sale>
+<Packaging for Sale, connectedTo, Automated Milking>
+<Packaging for Sale, connectedTo, Seedling Transplanting>
+<Packaging for Sale, connectedTo, Weed Removal>
+<Pest Spraying, connectedTo, Seedling Transplanting>
+<Precision Farming, connectedTo, Supply Chain to Retailers>
+<Precision Farming, partOf, Drone Scouting>
+<Seedling Transplanting, connectedTo, Automated Milking>
+<Soil Nutrient Management, connectedTo, Barn Cleaning>
+<Soil Nutrient Management, partOf, Forestry Management>
+<Subsidy Application, connectedTo, Automated Milking>
+<Subsidy Application, connectedTo, Grain Drying>
+<Supply Chain to Retailers, connectedTo, Water Level Measurement>
+<Supply Chain to Retailers, partOf, Drone Scouting>
+<Traceability System, connectedTo, Automated Milking>
+<Traceability System, connectedTo, Seedling Transplanting>
+<Traceability System, fertilizes, Grain Drying>
+<Traceability System, sells, Market Transportation>
+<Water Level Measurement, connectedTo, Harvesting>
+<Water Level Measurement, partOf, Drone Scouting>
+<Weed Removal, connectedTo, Crop Monitoring>
diff --git a/test/plantuml/graph_hard/plantuml_320.puml b/test/plantuml/graph_hard/plantuml_320.puml
new file mode 100644
index 0000000000000000000000000000000000000000..d2b6f3373af9f74b2021d8397a9853eb36d46f06
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_320.puml
@@ -0,0 +1,79 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Paleoseismology" as Group0 #EDE7F6 {
+    component "Fault Line Mapping" as nest0_0 #E8F0FF
+    artifact "Seismic Tomography" as nest0_1 #C8EDFF
+}
+rectangle "Planetary Seismology" as Group1 #E3F2FD {
+    usecase "Epicenter Location" as nest1_0 #E8F0FF
+    artifact "Earthquake Detection" as nest1_1 #E8F0FF
+}
+database "Seismic Array Deployment" as N0 #FCFCE7
+artifact "Earth Structure Imaging" as N1 #C8EDFF
+frame "Seismic Hazard Assessment" as N2 #FCFCE7
+rectangle "Emergency Preparedness for Earthquakes" as N3 #C8EDFF
+node "P_Wave or S_Wave Distinction" as N4 #C8EDFF
+frame "Ground Motion Prediction" as N5 #FCFCE7
+artifact "Liquefaction Potential Assessment" as N6 #FCFCE7
+component "Glacial Seismology" as N7 #C8EDFF
+folder "Seismic Risk Mitigation" as N8 #E8F0FF
+folder "Nuclear Test Monitoring" as N9 #FCFCE7
+cloud "Seismic Data Processing" as N10 #FCFCE7
+cloud "Tectonic Stress Measurement" as N11 #C8EDFF
+usecase "Deep Earth Seismology" as N12 #FCFCE7
+usecase "Induced Seismicity Monitoring" as N13 #C8EDFF
+usecase "Magnitude Determination" as N14 #C8EDFF
+database "Earthquake Early Warning Systems" as N15 #E8F0FF
+node "Structural Response to Earthquakes" as N16 #C8EDFF
+component "Computational Seismology" as N17 #E8F0FF
+circle " " as S0 #FCFCE7
+circle " " as S1 #FCFCE7
+circle " " as S2 #FCFCE7
+circle " " as M0 #C8EDFF
+circle " " as M2 #C8EDFF
+N0 ..[#A2D0FF]..> N1
+N1 ..[#DCE775]..> N2
+N2 ..[#82DAFF]..> N3
+N3 ..[#000000]..> N4
+N4 ..[#A2D0FF]..> N5
+N5 -[#DCE775]-> N6
+N6 -[#000000]-> N7
+N7 -[#82DAFF]-> N8
+N8 ..[#82DAFF]..> N9
+N9 -[#000000]-> N10 : fault_lines
+N10 -[#000000]-> N11 : maintains_networks
+N11 -[#A2D0FF]-> N12
+N12 ..[#DCE775]..> N13
+N13 ..[#DCE775]..> N14
+N14 ..[#82DAFF]..> N15
+N15 -[#DCE775]-> N16
+N16 -[#A2D0FF]-> N17
+nest0_0 ..[#A2D0FF]..> nest0_1
+N14 ..[#000000]..> nest0_0
+nest0_1 ..[#DCE775]..> N3
+nest1_0 -[#82DAFF]-> nest1_1 : designs_systems
+N3 ..[#82DAFF]..> nest1_0
+nest1_1 -[#82DAFF]-> N10 : processes
+N13 ..[#DCE775]..> S0
+S0 ..[#000000]..> N16
+S0 ..[#A2D0FF]..> N15 : interprets
+N2 -[#A2D0FF]-> S1
+S1 ..[#000000]..> N11
+S1 -[#82DAFF]-> N17 : responds
+S1 ..[#DCE775]..> N8
+N1 ..[#000000]..> S2
+S2 ..[#A2D0FF]..> N7
+S2 ..[#82DAFF]..> N12
+S2 ..[#000000]..> N11
+N7 -[#82DAFF]-> M0
+N0 -[#DCE775]-> M0 : data_collects
+N3 ..[#82DAFF]..> M0
+N8 ..[#DCE775]..> M0
+M0 -[#82DAFF]-> N13
+N2 -[#A2D0FF]-> M2
+N1 ..[#82DAFF]..> M2
+N6 -[#DCE775]-> M2
+M2 -[#000000]-> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_320.txt b/test/plantuml/graph_hard/plantuml_320.txt
new file mode 100644
index 0000000000000000000000000000000000000000..97ef9dfdeb3524ec1132161e7ede7fa70624e0de
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_320.txt
@@ -0,0 +1,41 @@
+<Deep Earth Seismology, connectedTo, Induced Seismicity Monitoring>
+<Earth Structure Imaging, connectedTo, Deep Earth Seismology>
+<Earth Structure Imaging, connectedTo, Glacial Seismology>
+<Earth Structure Imaging, connectedTo, Seismic Hazard Assessment>
+<Earth Structure Imaging, connectedTo, Seismic Risk Mitigation>
+<Earth Structure Imaging, connectedTo, Tectonic Stress Measurement>
+<Earthquake Detection, partOf, Planetary Seismology>
+<Earthquake Detection, processes, Seismic Data Processing>
+<Earthquake Early Warning Systems, connectedTo, Structural Response to Earthquakes>
+<Emergency Preparedness for Earthquakes, connectedTo, Epicenter Location>
+<Emergency Preparedness for Earthquakes, connectedTo, Induced Seismicity Monitoring>
+<Emergency Preparedness for Earthquakes, connectedTo, P_Wave or S_Wave Distinction>
+<Epicenter Location, designs_systems, Earthquake Detection>
+<Epicenter Location, partOf, Planetary Seismology>
+<Fault Line Mapping, connectedTo, Seismic Tomography>
+<Fault Line Mapping, partOf, Paleoseismology>
+<Glacial Seismology, connectedTo, Induced Seismicity Monitoring>
+<Glacial Seismology, connectedTo, Seismic Risk Mitigation>
+<Ground Motion Prediction, connectedTo, Liquefaction Potential Assessment>
+<Induced Seismicity Monitoring, connectedTo, Magnitude Determination>
+<Induced Seismicity Monitoring, connectedTo, Structural Response to Earthquakes>
+<Induced Seismicity Monitoring, interprets, Earthquake Early Warning Systems>
+<Liquefaction Potential Assessment, connectedTo, Glacial Seismology>
+<Liquefaction Potential Assessment, connectedTo, Seismic Risk Mitigation>
+<Magnitude Determination, connectedTo, Earthquake Early Warning Systems>
+<Magnitude Determination, connectedTo, Fault Line Mapping>
+<Nuclear Test Monitoring, fault_lines, Seismic Data Processing>
+<P_Wave or S_Wave Distinction, connectedTo, Ground Motion Prediction>
+<Seismic Array Deployment, connectedTo, Earth Structure Imaging>
+<Seismic Array Deployment, data_collects, Induced Seismicity Monitoring>
+<Seismic Data Processing, maintains_networks, Tectonic Stress Measurement>
+<Seismic Hazard Assessment, connectedTo, Emergency Preparedness for Earthquakes>
+<Seismic Hazard Assessment, connectedTo, Seismic Risk Mitigation>
+<Seismic Hazard Assessment, connectedTo, Tectonic Stress Measurement>
+<Seismic Hazard Assessment, responds, Computational Seismology>
+<Seismic Risk Mitigation, connectedTo, Induced Seismicity Monitoring>
+<Seismic Risk Mitigation, connectedTo, Nuclear Test Monitoring>
+<Seismic Tomography, connectedTo, Emergency Preparedness for Earthquakes>
+<Seismic Tomography, partOf, Paleoseismology>
+<Structural Response to Earthquakes, connectedTo, Computational Seismology>
+<Tectonic Stress Measurement, connectedTo, Deep Earth Seismology>
diff --git a/test/plantuml/graph_hard/plantuml_321.puml b/test/plantuml/graph_hard/plantuml_321.puml
new file mode 100644
index 0000000000000000000000000000000000000000..a5c9bc57fa17ee777892deabe256c7e77b61a436
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_321.puml
@@ -0,0 +1,59 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Microseismicity Study" as Group0 #ECEFF1 {
+    component "Structural Response to Earthquakes" as nest0_0 #F8FDD3
+    artifact "Earth Structure Imaging" as nest0_1 #C9F0F0
+    folder "Earthquake Prediction Research" as nest0_2 #C9F0F0
+    rectangle "Seismic Instrumentation Maintenance" as nest0_3 #FFEBEE
+}
+rectangle "P_Wave or S_Wave Distinction" as Group1 #ECEFF1 {
+    rectangle "Data Archiving and Distribution" as nest1_0 #FFEBEE
+    folder "Induced Seismicity Monitoring" as nest1_1 #F8FDD3
+}
+component "Seismic Risk Mitigation" as N0 #C9F0F0
+rectangle "Deep Earth Seismology" as N1 #C9F0F0
+cloud "Seismic Network Operations" as N2 #FFEBEE
+node "Seismic Wave Analysis" as N3 #FFEBEE
+usecase "Glacial Seismology" as N4 #FFEBEE
+folder "Planetary Seismology" as N5 #F8FDD3
+node "Nuclear Test Monitoring" as N6 #C9F0F0
+database "Seismic Inversion" as N7 #FFEBEE
+usecase "Earthquake Detection" as N8 #C9F0F0
+component "Volcanic Seismology" as N9 #C9F0F0
+circle " " as S0 #C9F0F0
+circle " " as S1 #C9F0F0
+circle " " as M0 #FFEBEE
+circle " " as M1 #F8FDD3
+N0 -[#D3EB9F]-> N1
+N1 -[#000000]-> N2
+N2 -[#000000]-> N3
+N3 -[#D3EB9F]-> N4
+N4 -[#E57373]-> N5
+N5 -[#4DD0E1]-> N6
+N6 -[#E57373]-> N7
+N7 ..[#E57373]..> N8
+N8 -[#E57373]-> N9
+nest0_0 ..[#D3EB9F]..> nest0_1
+nest0_1 ..[#000000]..> nest0_2
+nest0_2 ..[#D3EB9F]..> nest0_3
+N5 ..[#000000]..> nest0_0
+nest0_3 -[#E57373]-> N6 : publishes
+nest1_0 -[#000000]-> nest1_1
+N3 ..[#4DD0E1]..> nest1_0
+nest1_1 -[#E57373]-> N7
+N2 ..[#4DD0E1]..> S0
+S0 -[#D3EB9F]-> N8
+S0 ..[#D3EB9F]..> N6
+N1 -[#D3EB9F]-> S1
+S1 ..[#D3EB9F]..> N6
+S1 ..[#D3EB9F]..> N7
+N1 -[#E57373]-> M0
+N3 ..[#4DD0E1]..> M0
+M0 ..[#D3EB9F]..> N5
+N0 -[#D3EB9F]-> M1
+N1 ..[#4DD0E1]..> M1 : predicts
+N6 -[#4DD0E1]-> M1
+M1 -[#E57373]-> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_321.txt b/test/plantuml/graph_hard/plantuml_321.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0aa352a94695c7fad0658e9d55751754fd223a7a
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_321.txt
@@ -0,0 +1,32 @@
+<Data Archiving and Distribution, connectedTo, Induced Seismicity Monitoring>
+<Data Archiving and Distribution, partOf, P_Wave or S_Wave Distinction>
+<Deep Earth Seismology, connectedTo, Nuclear Test Monitoring>
+<Deep Earth Seismology, connectedTo, Planetary Seismology>
+<Deep Earth Seismology, connectedTo, Seismic Inversion>
+<Deep Earth Seismology, connectedTo, Seismic Network Operations>
+<Deep Earth Seismology, predicts, Earthquake Detection>
+<Earth Structure Imaging, connectedTo, Earthquake Prediction Research>
+<Earth Structure Imaging, partOf, Microseismicity Study>
+<Earthquake Detection, connectedTo, Volcanic Seismology>
+<Earthquake Prediction Research, connectedTo, Seismic Instrumentation Maintenance>
+<Earthquake Prediction Research, partOf, Microseismicity Study>
+<Glacial Seismology, connectedTo, Planetary Seismology>
+<Induced Seismicity Monitoring, connectedTo, Seismic Inversion>
+<Induced Seismicity Monitoring, partOf, P_Wave or S_Wave Distinction>
+<Nuclear Test Monitoring, connectedTo, Earthquake Detection>
+<Nuclear Test Monitoring, connectedTo, Seismic Inversion>
+<Planetary Seismology, connectedTo, Nuclear Test Monitoring>
+<Planetary Seismology, connectedTo, Structural Response to Earthquakes>
+<Seismic Instrumentation Maintenance, partOf, Microseismicity Study>
+<Seismic Instrumentation Maintenance, publishes, Nuclear Test Monitoring>
+<Seismic Inversion, connectedTo, Earthquake Detection>
+<Seismic Network Operations, connectedTo, Earthquake Detection>
+<Seismic Network Operations, connectedTo, Nuclear Test Monitoring>
+<Seismic Network Operations, connectedTo, Seismic Wave Analysis>
+<Seismic Risk Mitigation, connectedTo, Deep Earth Seismology>
+<Seismic Risk Mitigation, connectedTo, Earthquake Detection>
+<Seismic Wave Analysis, connectedTo, Data Archiving and Distribution>
+<Seismic Wave Analysis, connectedTo, Glacial Seismology>
+<Seismic Wave Analysis, connectedTo, Planetary Seismology>
+<Structural Response to Earthquakes, connectedTo, Earth Structure Imaging>
+<Structural Response to Earthquakes, partOf, Microseismicity Study>
diff --git a/test/plantuml/graph_hard/plantuml_322.txt b/test/plantuml/graph_hard/plantuml_322.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0c096186b155b6bdcc2e5a4ba76db7c50285c7df
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_322.txt
@@ -0,0 +1,39 @@
+<Bioinformatics Pipeline Development, connectedTo, Pharmacogenomics>
+<Bioinformatics Pipeline Development, connectedTo, Single_Cell Genomics>
+<Biomarker Discovery, connectedTo, Comparative Genomics>
+<Biomarker Discovery, connectedTo, Genomic Editing>
+<CRISPR Gene Drive Research, connectedTo, Genome_Wide Association Studies>
+<Comparative Genomics, connectedTo, Next_Generation Sequencing>
+<Comparative Genomics, partOf, Microbial Genomics>
+<DNA Sequencing, connectedTo, Variant Calling>
+<DNA Sequencing, partOf, Data Privacy in Genomics>
+<Gene Annotation, connectedTo, Pharmacogenomics>
+<Gene Annotation, connectedTo, Synthetic Genomics>
+<Gene Expression Profiling, compares, Pharmacogenomics>
+<Gene Therapy Development, connectedTo, Biomarker Discovery>
+<Gene Therapy Development, connectedTo, DNA Sequencing>
+<Genetic Counseling, connectedTo, Gene Expression Profiling>
+<Genetic Testing, connectedTo, Gene Expression Profiling>
+<Genetic Testing, connectedTo, Genomic Data Sharing>
+<Genetic Testing, connectedTo, Genomic Editing>
+<Genome_Wide Association Studies, connectedTo, Computational Genomics>
+<Genome_Wide Association Studies, connectedTo, Gene Annotation>
+<Genome_Wide Association Studies, connectedTo, Gene Therapy Development>
+<Genome_Wide Association Studies, connectedTo, Genomic Editing>
+<Genomic Data Sharing, connectedTo, CRISPR Gene Drive Research>
+<Genomic Data Visualization, connectedTo, Genetic Testing>
+<Genomic Editing, connectedTo, Computational Genomics>
+<Long_Read Sequencing, connectedTo, Gene Therapy Development>
+<Long_Read Sequencing, partOf, Microbial Genomics>
+<Next_Generation Sequencing, connectedTo, Long_Read Sequencing>
+<Next_Generation Sequencing, partOf, Microbial Genomics>
+<Pharmacogenomics, connectedTo, Gene Therapy Development>
+<Proteomics, connectedTo, Gene Annotation>
+<Proteomics, connectedTo, Genetic Testing>
+<Proteomics, connectedTo, Genome_Wide Association Studies>
+<Proteomics, connectedTo, Transcriptomics>
+<Single_Cell Genomics, connectedTo, Proteomics>
+<Synthetic Genomics, connectedTo, Genetic Counseling>
+<Transcriptomics, connectedTo, Genomic Data Visualization>
+<Variant Calling, connectedTo, Genome_Wide Association Studies>
+<Variant Calling, partOf, Data Privacy in Genomics>
diff --git a/test/plantuml/graph_hard/plantuml_323.puml b/test/plantuml/graph_hard/plantuml_323.puml
new file mode 100644
index 0000000000000000000000000000000000000000..d6e64255e559e8e458c84f923ae80d281793719b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_323.puml
@@ -0,0 +1,66 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Disease Gene Identification" as Group0 #FBE9E7 {
+    node "Cloning Technologies" as nest0_0 #E9F7E8
+    usecase "DNA Sequencing" as nest0_1 #ECF0FD
+    component "Genomic Data Analysis" as nest0_2 #E9F7E8
+    usecase "Social Implications" as nest0_3 #ECF0FD
+}
+rectangle "Genome Assembly" as Group1 #E3F2FD {
+    folder "Methylation Analysis" as nest1_0 #E9F7E8
+    database "Structural Genomics" as nest1_1 #ECF0FD
+    rectangle "Biomarker Discovery" as nest1_2 #ECF0FD
+}
+folder "Genetic Counseling" as N0 #E9F7E8
+rectangle "Epigenomics" as N1 #ECF0FD
+database "Data Privacy in Genomics" as N2 #D0E0F8
+usecase "Functional Genomics" as N3 #E9F7E8
+database "Transcriptomics" as N4 #ECF0FD
+folder "Genomic Data Visualization" as N5 #D0E0F8
+frame "Rare Disease Genomics" as N6 #ECF0FD
+rectangle "Computational Genomics" as N7 #E9F7E8
+usecase "Gene Expression Profiling" as N8 #D0E0F8
+folder "Long_Read Sequencing" as N9 #D0E0F8
+artifact "Next_Generation Sequencing" as N10 #D0E0F8
+circle " " as S0 #D0E0F8
+circle " " as S1 #E9F7E8
+circle " " as M0 #ECF0FD
+circle " " as M1 #E9F7E8
+N0 ..[#000000]..> N1 : compares
+N1 -[#6EB76D]-> N2
+N2 -[#000000]-> N3
+N3 ..[#6EB76D]..> N4
+N4 -[#B8C0F5]-> N5
+N5 -[#000000]-> N6
+N6 ..[#000000]..> N7
+N7 ..[#B8C0F5]..> N8
+N8 ..[#6EB76D]..> N9
+N9 -[#4285F4]-> N10
+nest0_0 ..[#4285F4]..> nest0_1
+nest0_1 ..[#6EB76D]..> nest0_2 : privacy_protects
+nest0_2 -[#4285F4]-> nest0_3
+N9 -[#4285F4]-> nest0_0
+nest0_3 ..[#B8C0F5]..> N7
+nest1_0 -[#000000]-> nest1_1
+nest1_1 -[#000000]-> nest1_2
+N4 -[#6EB76D]-> nest1_0 : annotates
+nest1_2 -[#B8C0F5]-> N3
+N0 -[#4285F4]-> S0
+S0 ..[#4285F4]..> N8
+S0 ..[#000000]..> N3
+S0 -[#6EB76D]-> N4
+S0 ..[#B8C0F5]..> N2
+N0 -[#4285F4]-> S1
+S1 ..[#4285F4]..> N8
+S1 -[#4285F4]-> N4
+S1 ..[#4285F4]..> N5
+N1 -[#4285F4]-> M0
+N3 ..[#B8C0F5]..> M0
+N2 ..[#B8C0F5]..> M0
+M0 ..[#B8C0F5]..> N5
+N1 -[#B8C0F5]-> M1
+N0 -[#4285F4]-> M1
+M1 ..[#6EB76D]..> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_323.txt b/test/plantuml/graph_hard/plantuml_323.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f776663da4825b91aa78ec04faac40d9acabb1ae
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_323.txt
@@ -0,0 +1,35 @@
+<Biomarker Discovery, connectedTo, Functional Genomics>
+<Biomarker Discovery, partOf, Genome Assembly>
+<Cloning Technologies, connectedTo, DNA Sequencing>
+<Cloning Technologies, partOf, Disease Gene Identification>
+<Computational Genomics, connectedTo, Gene Expression Profiling>
+<DNA Sequencing, partOf, Disease Gene Identification>
+<DNA Sequencing, privacy_protects, Genomic Data Analysis>
+<Data Privacy in Genomics, connectedTo, Functional Genomics>
+<Data Privacy in Genomics, connectedTo, Genomic Data Visualization>
+<Epigenomics, connectedTo, Data Privacy in Genomics>
+<Epigenomics, connectedTo, Functional Genomics>
+<Epigenomics, connectedTo, Genomic Data Visualization>
+<Functional Genomics, connectedTo, Genomic Data Visualization>
+<Functional Genomics, connectedTo, Transcriptomics>
+<Gene Expression Profiling, connectedTo, Long_Read Sequencing>
+<Genetic Counseling, compares, Epigenomics>
+<Genetic Counseling, connectedTo, Data Privacy in Genomics>
+<Genetic Counseling, connectedTo, Functional Genomics>
+<Genetic Counseling, connectedTo, Gene Expression Profiling>
+<Genetic Counseling, connectedTo, Genomic Data Visualization>
+<Genetic Counseling, connectedTo, Transcriptomics>
+<Genomic Data Analysis, connectedTo, Social Implications>
+<Genomic Data Analysis, partOf, Disease Gene Identification>
+<Genomic Data Visualization, connectedTo, Rare Disease Genomics>
+<Long_Read Sequencing, connectedTo, Cloning Technologies>
+<Long_Read Sequencing, connectedTo, Next_Generation Sequencing>
+<Methylation Analysis, connectedTo, Structural Genomics>
+<Methylation Analysis, partOf, Genome Assembly>
+<Rare Disease Genomics, connectedTo, Computational Genomics>
+<Social Implications, connectedTo, Computational Genomics>
+<Social Implications, partOf, Disease Gene Identification>
+<Structural Genomics, connectedTo, Biomarker Discovery>
+<Structural Genomics, partOf, Genome Assembly>
+<Transcriptomics, annotates, Methylation Analysis>
+<Transcriptomics, connectedTo, Genomic Data Visualization>
diff --git a/test/plantuml/graph_hard/plantuml_324.puml b/test/plantuml/graph_hard/plantuml_324.puml
new file mode 100644
index 0000000000000000000000000000000000000000..d5b1b0beb609739fc4086f7d76d07cfb4ed4700c
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_324.puml
@@ -0,0 +1,72 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Genetic Counseling" as Group0 #FCE4EC {
+    usecase "Gene Annotation" as nest0_0 #E3F2FD
+    folder "Long_Read Sequencing" as nest0_1 #F0F4C3
+    database "Next_Generation Sequencing" as nest0_2 #F0F4C3
+    database "Transcriptomics" as nest0_3 #FFF9C4
+}
+rectangle "Computational Genomics" as Group1 #FBE9E7 {
+    artifact "Epigenomics" as nest1_0 #FFF9C4
+    rectangle "Metabolomics" as nest1_1 #FFF9C4
+    frame "Cloning Technologies" as nest1_2 #FFF9C4
+}
+cloud "DNA Sequencing" as N0 #F0F4C3
+component "Rare Disease Genomics" as N1 #F0F4C3
+usecase "Genomic Editing" as N2 #E3F2FD
+rectangle "Proteomics" as N3 #FFF9C4
+frame "Bioinformatics Pipeline Development" as N4 #F0F4C3
+folder "Population Genomics" as N5 #FFF9C4
+node "CRISPR Gene Drive Research" as N6 #E3F2FD
+usecase "Gene Therapy Development" as N7 #F0F4C3
+frame "Genomic Data Analysis" as N8 #E3F2FD
+folder "Data Privacy in Genomics" as N9 #F0F4C3
+database "Personalized Medicine" as N10 #E3F2FD
+node "Genome_Wide Association Studies" as N11 #F0F4C3
+usecase "Synthetic Genomics" as N12 #F0F4C3
+usecase "Pharmacogenomics" as N13 #E3F2FD
+component "Spatial Genomics" as N14 #F0F4C3
+circle " " as S0 #FFF9C4
+circle " " as S1 #E3F2FD
+circle " " as M0 #E3F2FD
+circle " " as M1 #F0F4C3
+N0 ..[#FFEB3B]..> N1
+N1 ..[#AED581]..> N2
+N2 ..[#FFEB3B]..> N3
+N3 ..[#FFEB3B]..> N4
+N4 -[#AED581]-> N5 : genes_studies
+N5 -[#000000]-> N6
+N6 ..[#FFEB3B]..> N7
+N7 -[#AED581]-> N8
+N8 -[#FFEB3B]-> N9
+N9 -[#AED581]-> N10
+N10 -[#FFEB3B]-> N11
+N11 ..[#AED581]..> N12
+N12 ..[#AED581]..> N13
+N13 -[#000000]-> N14
+nest0_0 ..[#AED581]..> nest0_1
+nest0_1 -[#000000]-> nest0_2
+nest0_2 ..[#64B5F6]..> nest0_3
+N10 -[#AED581]-> nest0_0
+nest0_3 ..[#000000]..> N3
+nest1_0 ..[#AED581]..> nest1_1
+nest1_1 ..[#AED581]..> nest1_2
+N4 ..[#FFEB3B]..> nest1_0
+nest1_2 -[#000000]-> N3 : maps
+N11 ..[#FFEB3B]..> S0
+S0 ..[#AED581]..> N14
+S0 ..[#64B5F6]..> N13
+N7 -[#AED581]-> S1
+S1 ..[#FFEB3B]..> N12
+S1 -[#000000]-> N14 : therapies_develops
+N1 ..[#AED581]..> M0
+N3 ..[#000000]..> M0
+N0 ..[#FFEB3B]..> M0 : RNA_investigates
+M0 -[#000000]-> N5
+N2 ..[#64B5F6]..> M1
+N3 ..[#64B5F6]..> M1 : data_generates
+N0 ..[#FFEB3B]..> M1 : advises
+M1 ..[#64B5F6]..> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_324.txt b/test/plantuml/graph_hard/plantuml_324.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8380746a019ad5ac188d69af431aa683069baa52
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_324.txt
@@ -0,0 +1,40 @@
+<Bioinformatics Pipeline Development, connectedTo, Epigenomics>
+<Bioinformatics Pipeline Development, genes_studies, Population Genomics>
+<CRISPR Gene Drive Research, connectedTo, Gene Therapy Development>
+<Cloning Technologies, maps, Proteomics>
+<Cloning Technologies, partOf, Computational Genomics>
+<DNA Sequencing, RNA_investigates, Population Genomics>
+<DNA Sequencing, advises, Population Genomics>
+<DNA Sequencing, connectedTo, Rare Disease Genomics>
+<Data Privacy in Genomics, connectedTo, Personalized Medicine>
+<Epigenomics, connectedTo, Metabolomics>
+<Epigenomics, partOf, Computational Genomics>
+<Gene Annotation, connectedTo, Long_Read Sequencing>
+<Gene Annotation, partOf, Genetic Counseling>
+<Gene Therapy Development, connectedTo, Genomic Data Analysis>
+<Gene Therapy Development, connectedTo, Synthetic Genomics>
+<Gene Therapy Development, therapies_develops, Spatial Genomics>
+<Genome_Wide Association Studies, connectedTo, Pharmacogenomics>
+<Genome_Wide Association Studies, connectedTo, Spatial Genomics>
+<Genome_Wide Association Studies, connectedTo, Synthetic Genomics>
+<Genomic Data Analysis, connectedTo, Data Privacy in Genomics>
+<Genomic Editing, connectedTo, Population Genomics>
+<Genomic Editing, connectedTo, Proteomics>
+<Long_Read Sequencing, connectedTo, Next_Generation Sequencing>
+<Long_Read Sequencing, partOf, Genetic Counseling>
+<Metabolomics, connectedTo, Cloning Technologies>
+<Metabolomics, partOf, Computational Genomics>
+<Next_Generation Sequencing, connectedTo, Transcriptomics>
+<Next_Generation Sequencing, partOf, Genetic Counseling>
+<Personalized Medicine, connectedTo, Gene Annotation>
+<Personalized Medicine, connectedTo, Genome_Wide Association Studies>
+<Pharmacogenomics, connectedTo, Spatial Genomics>
+<Population Genomics, connectedTo, CRISPR Gene Drive Research>
+<Proteomics, connectedTo, Bioinformatics Pipeline Development>
+<Proteomics, connectedTo, Population Genomics>
+<Proteomics, data_generates, Population Genomics>
+<Rare Disease Genomics, connectedTo, Genomic Editing>
+<Rare Disease Genomics, connectedTo, Population Genomics>
+<Synthetic Genomics, connectedTo, Pharmacogenomics>
+<Transcriptomics, connectedTo, Proteomics>
+<Transcriptomics, partOf, Genetic Counseling>
diff --git a/test/plantuml/graph_hard/plantuml_325.puml b/test/plantuml/graph_hard/plantuml_325.puml
new file mode 100644
index 0000000000000000000000000000000000000000..0c42d7598628e2107ac68c44dae1ecd2a8f13f05
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_325.puml
@@ -0,0 +1,60 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Linguistic Analysis" as Group0 #ECEFF1 {
+    artifact "Text_to_Speech Synthesis" as nest0_0 #FFF8E1
+    folder "Real_Time Captioning" as nest0_1 #FFF8E1
+    folder "Children's Speech Recognition" as nest0_2 #FFF8E1
+    folder "Speech Data Annotation" as nest0_3 #FFF9C4
+}
+rectangle "Voice Biometrics" as Group1 #E3F2FD {
+    usecase "Cloud_based Speech Services" as nest1_0 #FFF9C4
+    artifact "Natural Language Understanding" as nest1_1 #FFF8E1
+}
+node "Speaker Diarization" as N0 #D3D7EB
+component "Multimodal Speech Processing" as N1 #FFF9C4
+folder "Speaker Identification" as N2 #D3D7EB
+rectangle "Legal Transcription" as N3 #FFF9C4
+component "Disordered Speech Recognition" as N4 #D3D7EB
+database "Noise Reduction" as N5 #D3D7EB
+usecase "Medical Transcription" as N6 #D3D7EB
+rectangle "Language Modeling" as N7 #FFF8E1
+frame "Dialect Adaptation" as N8 #FFF9C4
+rectangle "Embedded Speech Recognition" as N9 #FFF9C4
+cloud "Speech Analytics" as N10 #FFF8E1
+circle " " as S0 #D3D7EB
+circle " " as S1 #D3D7EB
+circle " " as S2 #D3D7EB
+circle " " as M1 #FFF8E1
+N0 ..[#FFD54F]..> N1
+N1 -[#8C9EFF]-> N2
+N2 -[#FFD54F]-> N3
+N3 -[#FFD54F]-> N4
+N4 -[#FFEB3B]-> N5 : dictates
+N5 ..[#FFD54F]..> N6
+N6 ..[#8C9EFF]..> N7
+N7 ..[#FFEB3B]..> N8
+N8 -[#FFD54F]-> N9
+N9 -[#8C9EFF]-> N10
+nest0_0 -[#000000]-> nest0_1
+nest0_1 ..[#FFD54F]..> nest0_2
+nest0_2 ..[#FFD54F]..> nest0_3
+N3 -[#FFEB3B]-> nest0_0
+nest0_3 ..[#8C9EFF]..> N2
+nest1_0 ..[#FFD54F]..> nest1_1
+N1 ..[#000000]..> nest1_0
+nest1_1 -[#000000]-> N8
+N3 ..[#8C9EFF]..> S0
+S0 -[#000000]-> N7
+S0 -[#000000]-> N8 : filters
+N2 ..[#000000]..> S1
+S1 -[#FFD54F]-> N5
+S1 ..[#000000]..> N6
+N0 -[#FFEB3B]-> S2
+S2 -[#000000]-> N10
+S2 ..[#8C9EFF]..> N9
+N2 -[#FFD54F]-> M1
+N1 ..[#8C9EFF]..> M1
+M1 -[#000000]-> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_326.puml b/test/plantuml/graph_hard/plantuml_326.puml
new file mode 100644
index 0000000000000000000000000000000000000000..57bbcaeb5051d9600e9969e6fdbd58b0241b26a8
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_326.puml
@@ -0,0 +1,65 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Legal Transcription" as Group0 #F3E5F5 {
+    folder "Voice Biometrics" as nest0_0 #FFF3E0
+    cloud "Dialect Adaptation" as nest0_1 #EDE7F6
+}
+rectangle "Children's Speech Recognition" as Group1 #EDE7F6 {
+    folder "Command and Control" as nest1_0 #FFCDD2
+    usecase "Medical Transcription" as nest1_1 #FFF3E0
+    usecase "Speech Analytics" as nest1_2 #EDE7F6
+    frame "Voice Activity Detection" as nest1_3 #EDE7F6
+}
+node "Phonetic Transcription" as N0 #FFF3E0
+folder "Real_Time Captioning" as N1 #FFF3E0
+usecase "Prosody Analysis" as N2 #FFF3E0
+component "Speech Data Annotation" as N3 #FFF3E0
+database "Multimodal Speech Processing" as N4 #FFF3E0
+rectangle "Acoustic Modeling" as N5 #EDE7F6
+rectangle "Voice Search Optimization" as N6 #FFCDD2
+frame "Cross_Lingual Speech Recognition" as N7 #FFF3E0
+node "Voice User Interface Design" as N8 #FFCDD2
+frame "Voice Assistant Development" as N9 #FFF3E0
+usecase "Call Center Automation" as N10 #FFF3E0
+component "Natural Language Understanding" as N11 #EDE7F6
+frame "Noise Reduction" as N12 #FFCDD2
+frame "Speaker Identification" as N13 #FFF3E0
+database "Security Authentication" as N14 #FFF3E0
+rectangle "Cloud_based Speech Services" as N15 #EDE7F6
+circle " " as S0 #FFF3E0
+circle " " as S1 #FFF3E0
+N0 -[#FFB74D]-> N1
+N1 -[#7E57C2]-> N2
+N2 -[#000000]-> N3
+N3 ..[#F44336]..> N4
+N4 ..[#FFB74D]..> N5
+N5 -[#000000]-> N6
+N6 -[#F44336]-> N7
+N7 -[#F44336]-> N8
+N8 ..[#FFB74D]..> N9
+N9 -[#F44336]-> N10
+N10 -[#7E57C2]-> N11
+N11 ..[#000000]..> N12 : identifies
+N12 ..[#FFB74D]..> N13
+N13 ..[#7E57C2]..> N14
+N14 ..[#000000]..> N15
+nest0_0 -[#F44336]-> nest0_1
+N8 ..[#7E57C2]..> nest0_0
+nest0_1 -[#7E57C2]-> N8
+nest1_0 -[#7E57C2]-> nest1_1
+nest1_1 -[#F44336]-> nest1_2
+nest1_2 -[#000000]-> nest1_3
+N6 ..[#7E57C2]..> nest1_0
+nest1_3 ..[#7E57C2]..> N7 : adapts
+N4 ..[#FFB74D]..> S0
+S0 -[#000000]-> N15
+S0 ..[#7E57C2]..> N6
+N9 ..[#7E57C2]..> S1
+S1 -[#000000]-> N12
+S1 -[#000000]-> N13
+S1 ..[#F44336]..> N15
+nest0_1 -[#000000]-> N9
+nest1_3 -[#F44336]-> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_326.txt b/test/plantuml/graph_hard/plantuml_326.txt
new file mode 100644
index 0000000000000000000000000000000000000000..292912d068f72e7545d209c465f5a97f7db28b0c
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_326.txt
@@ -0,0 +1,36 @@
+<Acoustic Modeling, connectedTo, Voice Search Optimization>
+<Call Center Automation, connectedTo, Natural Language Understanding>
+<Command and Control, connectedTo, Medical Transcription>
+<Command and Control, partOf, Children's Speech Recognition>
+<Cross_Lingual Speech Recognition, connectedTo, Voice User Interface Design>
+<Dialect Adaptation, connectedTo, Voice Assistant Development>
+<Dialect Adaptation, connectedTo, Voice User Interface Design>
+<Dialect Adaptation, partOf, Legal Transcription>
+<Medical Transcription, connectedTo, Speech Analytics>
+<Medical Transcription, partOf, Children's Speech Recognition>
+<Multimodal Speech Processing, connectedTo, Acoustic Modeling>
+<Multimodal Speech Processing, connectedTo, Cloud_based Speech Services>
+<Multimodal Speech Processing, connectedTo, Voice Search Optimization>
+<Natural Language Understanding, identifies, Noise Reduction>
+<Noise Reduction, connectedTo, Speaker Identification>
+<Phonetic Transcription, connectedTo, Real_Time Captioning>
+<Prosody Analysis, connectedTo, Speech Data Annotation>
+<Real_Time Captioning, connectedTo, Prosody Analysis>
+<Security Authentication, connectedTo, Cloud_based Speech Services>
+<Speaker Identification, connectedTo, Security Authentication>
+<Speech Analytics, connectedTo, Voice Activity Detection>
+<Speech Analytics, partOf, Children's Speech Recognition>
+<Speech Data Annotation, connectedTo, Multimodal Speech Processing>
+<Voice Activity Detection, adapts, Cross_Lingual Speech Recognition>
+<Voice Activity Detection, connectedTo, Voice User Interface Design>
+<Voice Activity Detection, partOf, Children's Speech Recognition>
+<Voice Assistant Development, connectedTo, Call Center Automation>
+<Voice Assistant Development, connectedTo, Cloud_based Speech Services>
+<Voice Assistant Development, connectedTo, Noise Reduction>
+<Voice Assistant Development, connectedTo, Speaker Identification>
+<Voice Biometrics, connectedTo, Dialect Adaptation>
+<Voice Biometrics, partOf, Legal Transcription>
+<Voice Search Optimization, connectedTo, Command and Control>
+<Voice Search Optimization, connectedTo, Cross_Lingual Speech Recognition>
+<Voice User Interface Design, connectedTo, Voice Assistant Development>
+<Voice User Interface Design, connectedTo, Voice Biometrics>
diff --git a/test/plantuml/graph_hard/plantuml_327.puml b/test/plantuml/graph_hard/plantuml_327.puml
new file mode 100644
index 0000000000000000000000000000000000000000..ff49511f77e334ca277e811301e3ed64d8166bd0
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_327.puml
@@ -0,0 +1,72 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Language Modeling" as Group0 #FBE9E7 {
+    database "Legal Transcription" as nest0_0 #FCE4EC
+    usecase "Voice Biometrics" as nest0_1 #D6D9F0
+    folder "Speech_to_Text Conversion" as nest0_2 #FCE4EC
+    frame "Accent Recognition" as nest0_3 #FCE4EC
+}
+rectangle "Children's Speech Recognition" as Group1 #E8F5E9 {
+    artifact "Robust Speech Recognition" as nest1_0 #D6D9F0
+    database "Speech Emotion Recognition" as nest1_1 #D6D9F0
+}
+usecase "Dialect Adaptation" as N0 #FCE4EC
+folder "Disordered Speech Recognition" as N1 #FCE4EC
+frame "Acoustic Modeling" as N2 #FCE4EC
+rectangle "Voice Search Optimization" as N3 #FFFDE0
+folder "Voice Activity Detection" as N4 #D6D9F0
+folder "Voice User Interface Design" as N5 #FCE4EC
+folder "Medical Transcription" as N6 #FCE4EC
+cloud "Automatic Speech Recognition" as N7 #FCE4EC
+usecase "Phonetic Transcription" as N8 #D6D9F0
+artifact "Embedded Speech Recognition" as N9 #FCE4EC
+folder "Call Center Automation" as N10 #FCE4EC
+component "Keyword Spotting" as N11 #FFFDE0
+node "Speech Data Annotation" as N12 #FCE4EC
+database "Speaker Diarization" as N13 #FFFDE0
+frame "Noise Reduction" as N14 #FFFDE0
+artifact "Contextual Understanding" as N15 #FFFDE0
+circle " " as S0 #FFFDE0
+circle " " as S2 #D6D9F0
+circle " " as M0 #FFFDE0
+circle " " as M1 #FCE4EC
+N0 -[#FFF8A6]-> N1
+N1 ..[#FFF8A6]..> N2
+N2 -[#FFF8A6]-> N3
+N3 -[#F06292]-> N4
+N4 -[#000000]-> N5
+N5 ..[#9FA9E1]..> N6
+N6 ..[#9FA9E1]..> N7
+N7 ..[#FFF8A6]..> N8 : updates
+N8 -[#F06292]-> N9
+N9 ..[#000000]..> N10
+N10 -[#F06292]-> N11
+N11 ..[#FFF8A6]..> N12
+N12 ..[#000000]..> N13 : commands
+N13 -[#000000]-> N14
+N14 -[#9FA9E1]-> N15
+nest0_0 -[#FFF8A6]-> nest0_1
+nest0_1 ..[#9FA9E1]..> nest0_2
+nest0_2 -[#000000]-> nest0_3
+N4 ..[#FFF8A6]..> nest0_0
+nest0_3 -[#F06292]-> N6
+nest1_0 -[#9FA9E1]-> nest1_1
+N10 ..[#F06292]..> nest1_0
+nest1_1 -[#000000]-> N1
+N6 -[#000000]-> S0
+S0 ..[#FFF8A6]..> N10
+S0 ..[#F06292]..> N14
+N3 -[#F06292]-> S2
+S2 -[#F06292]-> N9
+S2 ..[#000000]..> N7
+N9 -[#9FA9E1]-> M0
+N1 -[#F06292]-> M0 : acoustic_models
+N4 ..[#000000]..> M0
+M0 -[#000000]-> N11
+N4 -[#000000]-> M1
+N0 ..[#9FA9E1]..> M1
+N2 ..[#9FA9E1]..> M1
+M1 ..[#000000]..> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_327.txt b/test/plantuml/graph_hard/plantuml_327.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3a00bda5dd240c0c1a5eed25d7225cfbc7334cb6
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_327.txt
@@ -0,0 +1,39 @@
+<Accent Recognition, connectedTo, Medical Transcription>
+<Accent Recognition, partOf, Language Modeling>
+<Acoustic Modeling, connectedTo, Medical Transcription>
+<Acoustic Modeling, connectedTo, Voice Search Optimization>
+<Automatic Speech Recognition, updates, Phonetic Transcription>
+<Call Center Automation, connectedTo, Keyword Spotting>
+<Call Center Automation, connectedTo, Robust Speech Recognition>
+<Dialect Adaptation, connectedTo, Disordered Speech Recognition>
+<Dialect Adaptation, connectedTo, Medical Transcription>
+<Disordered Speech Recognition, acoustic_models, Keyword Spotting>
+<Disordered Speech Recognition, connectedTo, Acoustic Modeling>
+<Embedded Speech Recognition, connectedTo, Call Center Automation>
+<Embedded Speech Recognition, connectedTo, Keyword Spotting>
+<Keyword Spotting, connectedTo, Speech Data Annotation>
+<Legal Transcription, connectedTo, Voice Biometrics>
+<Legal Transcription, partOf, Language Modeling>
+<Medical Transcription, connectedTo, Automatic Speech Recognition>
+<Medical Transcription, connectedTo, Call Center Automation>
+<Medical Transcription, connectedTo, Noise Reduction>
+<Noise Reduction, connectedTo, Contextual Understanding>
+<Phonetic Transcription, connectedTo, Embedded Speech Recognition>
+<Robust Speech Recognition, connectedTo, Speech Emotion Recognition>
+<Robust Speech Recognition, partOf, Children's Speech Recognition>
+<Speaker Diarization, connectedTo, Noise Reduction>
+<Speech Data Annotation, commands, Speaker Diarization>
+<Speech Emotion Recognition, connectedTo, Disordered Speech Recognition>
+<Speech Emotion Recognition, partOf, Children's Speech Recognition>
+<Speech_to_Text Conversion, connectedTo, Accent Recognition>
+<Speech_to_Text Conversion, partOf, Language Modeling>
+<Voice Activity Detection, connectedTo, Keyword Spotting>
+<Voice Activity Detection, connectedTo, Legal Transcription>
+<Voice Activity Detection, connectedTo, Medical Transcription>
+<Voice Activity Detection, connectedTo, Voice User Interface Design>
+<Voice Biometrics, connectedTo, Speech_to_Text Conversion>
+<Voice Biometrics, partOf, Language Modeling>
+<Voice Search Optimization, connectedTo, Automatic Speech Recognition>
+<Voice Search Optimization, connectedTo, Embedded Speech Recognition>
+<Voice Search Optimization, connectedTo, Voice Activity Detection>
+<Voice User Interface Design, connectedTo, Medical Transcription>
diff --git a/test/plantuml/graph_hard/plantuml_328.puml b/test/plantuml/graph_hard/plantuml_328.puml
new file mode 100644
index 0000000000000000000000000000000000000000..9f84e03fa1cd668fe04dabe4001f4caa8c2e8010
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_328.puml
@@ -0,0 +1,69 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Customer Feedback Analysis" as Group0 #F1F8E9 {
+    usecase "Document Summarization" as nest0_0 #FFCCBC
+    component "Information Extraction" as nest0_1 #FFCCBC
+    node "Keyword Extraction" as nest0_2 #E1BEE7
+    database "Biomedical Text Mining" as nest0_3 #E1BEE7
+}
+rectangle "News Article Analysis" as Group1 #E3F2FD {
+    folder "Vector Space Models" as nest1_0 #E1BEE7
+    folder "Plagiarism Detection" as nest1_1 #E1BEE7
+}
+cloud "Concept Extraction" as N0 #C9F0F0
+folder "Regular Expressions for Text" as N1 #E1BEE7
+rectangle "Annotation Tools" as N2 #E1BEE7
+artifact "Lemmatization or Stemming" as N3 #C9F0F0
+component "Knowledge Graph Construction" as N4 #C9F0F0
+frame "Opinion Mining" as N5 #FFCCBC
+folder "Topic Modeling" as N6 #C9F0F0
+artifact "Author Attribution" as N7 #E1BEE7
+cloud "Resume Parsing" as N8 #E1BEE7
+cloud "Data Cleaning for Text" as N9 #C9F0F0
+artifact "Financial Text Analysis" as N10 #FFCCBC
+database "Tokenization" as N11 #C9F0F0
+folder "Named Entity Recognition" as N12 #FFCCBC
+database "Text Classification" as N13 #FFCCBC
+node "Relationship Extraction" as N14 #FFCCBC
+circle " " as S0 #E1BEE7
+circle " " as S1 #C9F0F0
+circle " " as S2 #E1BEE7
+circle " " as M0 #E1BEE7
+N0 ..[#000000]..> N1
+N1 ..[#000000]..> N2
+N2 -[#000000]-> N3
+N3 ..[#9C27B0]..> N4
+N4 ..[#9C27B0]..> N5
+N5 -[#9C27B0]-> N6
+N6 ..[#9C27B0]..> N7
+N7 -[#4DD0E1]-> N8 : evaluates
+N8 ..[#4DD0E1]..> N9
+N9 ..[#9C27B0]..> N10 : processes
+N10 -[#4DD0E1]-> N11
+N11 ..[#9C27B0]..> N12
+N12 -[#9C27B0]-> N13
+N13 ..[#9C27B0]..> N14
+nest0_0 -[#9C27B0]-> nest0_1
+nest0_1 -[#9C27B0]-> nest0_2
+nest0_2 ..[#FF5722]..> nest0_3
+N13 ..[#FF5722]..> nest0_0
+nest0_3 ..[#9C27B0]..> N7 : secures
+nest1_0 ..[#000000]..> nest1_1
+N8 -[#4DD0E1]-> nest1_0 : patterns
+nest1_1 -[#FF5722]-> N5
+N11 ..[#4DD0E1]..> S0
+S0 ..[#000000]..> N13
+S0 ..[#FF5722]..> N14
+N11 -[#4DD0E1]-> S1
+S1 ..[#000000]..> N14
+S1 -[#FF5722]-> N13
+N4 ..[#9C27B0]..> S2
+S2 -[#000000]-> N9
+S2 -[#4DD0E1]-> N12
+S2 ..[#4DD0E1]..> N6 : topics
+N0 -[#4DD0E1]-> M0
+N1 -[#9C27B0]-> M0
+M0 ..[#FF5722]..> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_328.txt b/test/plantuml/graph_hard/plantuml_328.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8ada51682ef5bf281a689c211f76be99d7431e9f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_328.txt
@@ -0,0 +1,35 @@
+<Annotation Tools, connectedTo, Lemmatization or Stemming>
+<Author Attribution, evaluates, Resume Parsing>
+<Biomedical Text Mining, partOf, Customer Feedback Analysis>
+<Biomedical Text Mining, secures, Author Attribution>
+<Concept Extraction, connectedTo, Opinion Mining>
+<Concept Extraction, connectedTo, Regular Expressions for Text>
+<Data Cleaning for Text, processes, Financial Text Analysis>
+<Document Summarization, connectedTo, Information Extraction>
+<Document Summarization, partOf, Customer Feedback Analysis>
+<Financial Text Analysis, connectedTo, Tokenization>
+<Information Extraction, connectedTo, Keyword Extraction>
+<Information Extraction, partOf, Customer Feedback Analysis>
+<Keyword Extraction, connectedTo, Biomedical Text Mining>
+<Keyword Extraction, partOf, Customer Feedback Analysis>
+<Knowledge Graph Construction, connectedTo, Data Cleaning for Text>
+<Knowledge Graph Construction, connectedTo, Named Entity Recognition>
+<Knowledge Graph Construction, connectedTo, Opinion Mining>
+<Knowledge Graph Construction, topics, Topic Modeling>
+<Lemmatization or Stemming, connectedTo, Knowledge Graph Construction>
+<Named Entity Recognition, connectedTo, Text Classification>
+<Opinion Mining, connectedTo, Topic Modeling>
+<Plagiarism Detection, connectedTo, Opinion Mining>
+<Plagiarism Detection, partOf, News Article Analysis>
+<Regular Expressions for Text, connectedTo, Annotation Tools>
+<Regular Expressions for Text, connectedTo, Opinion Mining>
+<Resume Parsing, connectedTo, Data Cleaning for Text>
+<Resume Parsing, patterns, Vector Space Models>
+<Text Classification, connectedTo, Document Summarization>
+<Text Classification, connectedTo, Relationship Extraction>
+<Tokenization, connectedTo, Named Entity Recognition>
+<Tokenization, connectedTo, Relationship Extraction>
+<Tokenization, connectedTo, Text Classification>
+<Topic Modeling, connectedTo, Author Attribution>
+<Vector Space Models, connectedTo, Plagiarism Detection>
+<Vector Space Models, partOf, News Article Analysis>
diff --git a/test/plantuml/graph_hard/plantuml_329.puml b/test/plantuml/graph_hard/plantuml_329.puml
new file mode 100644
index 0000000000000000000000000000000000000000..03586e08f3b4307016af178a416616221510160d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_329.puml
@@ -0,0 +1,65 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Keyword Extraction" as Group0 #EDE7F6 {
+    cloud "Text Similarity Analysis" as nest0_0 #DFE7EB
+    usecase "Legal Document Analysis" as nest0_1 #FFCCBC
+}
+rectangle "Financial Text Analysis" as Group1 #EDE7F6 {
+    usecase "Text Classification" as nest1_0 #EDF5F3
+    folder "Text Visualization" as nest1_1 #DFE7EB
+    frame "Resume Parsing" as nest1_2 #EDF5F3
+}
+component "Deep Learning for NLP" as N0 #DFE7EB
+artifact "Language Translation for Text Mining" as N1 #EDF5F3
+database "Social Media Text Analysis" as N2 #DFE7EB
+rectangle "Opinion Mining" as N3 #EDF5F3
+cloud "Author Attribution" as N4 #FFCCBC
+folder "Patent Analysis" as N5 #EDF5F3
+node "Sentiment Analysis" as N6 #DFE7EB
+frame "News Article Analysis" as N7 #EDF5F3
+usecase "Knowledge Graph Construction" as N8 #EDF5F3
+folder "Topic Modeling" as N9 #FFCCBC
+cloud "Chatbot Development" as N10 #DFE7EB
+artifact "Named Entity Recognition" as N11 #EDF5F3
+frame "Spam Detection" as N12 #FFCCBC
+frame "Text Preprocessing" as N13 #EDF5F3
+cloud "Information Extraction" as N14 #DFE7EB
+circle " " as S0 #FFCCBC
+circle " " as S1 #EDF5F3
+circle " " as M1 #FFCCBC
+N0 ..[#FF5722]..> N1
+N1 ..[#000000]..> N2
+N2 ..[#FF5722]..> N3
+N3 ..[#A1D7CD]..> N4
+N4 -[#A1D7CD]-> N5 : blocks
+N5 ..[#A1D7CD]..> N6 : interprets
+N6 ..[#000000]..> N7
+N7 ..[#000000]..> N8
+N8 -[#B0C5CD]-> N9
+N9 ..[#000000]..> N10
+N10 ..[#B0C5CD]..> N11
+N11 -[#000000]-> N12
+N12 ..[#A1D7CD]..> N13
+N13 ..[#FF5722]..> N14
+nest0_0 ..[#FF5722]..> nest0_1
+N7 -[#B0C5CD]-> nest0_0 : evaluates
+nest0_1 -[#000000]-> N6
+nest1_0 -[#000000]-> nest1_1
+nest1_1 -[#B0C5CD]-> nest1_2
+N10 -[#B0C5CD]-> nest1_0
+nest1_2 ..[#FF5722]..> N6
+N3 -[#000000]-> S0
+S0 ..[#B0C5CD]..> N5
+S0 ..[#A1D7CD]..> N10
+S0 ..[#A1D7CD]..> N6
+N6 -[#FF5722]-> S1
+S1 -[#FF5722]-> N11
+S1 ..[#FF5722]..> N8
+S1 ..[#A1D7CD]..> N9 : relationships
+S1 ..[#A1D7CD]..> N10 : disambiguates
+N1 -[#000000]-> M1
+N3 -[#000000]-> M1
+M1 ..[#A1D7CD]..> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_329.txt b/test/plantuml/graph_hard/plantuml_329.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0c2b02bf639f8d1424c209cd4b7d92fe95d65466
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_329.txt
@@ -0,0 +1,35 @@
+<Author Attribution, blocks, Patent Analysis>
+<Chatbot Development, connectedTo, Named Entity Recognition>
+<Chatbot Development, connectedTo, Text Classification>
+<Deep Learning for NLP, connectedTo, Language Translation for Text Mining>
+<Knowledge Graph Construction, connectedTo, Topic Modeling>
+<Language Translation for Text Mining, connectedTo, Social Media Text Analysis>
+<Language Translation for Text Mining, connectedTo, Topic Modeling>
+<Legal Document Analysis, connectedTo, Sentiment Analysis>
+<Legal Document Analysis, partOf, Keyword Extraction>
+<Named Entity Recognition, connectedTo, Spam Detection>
+<News Article Analysis, connectedTo, Knowledge Graph Construction>
+<News Article Analysis, evaluates, Text Similarity Analysis>
+<Opinion Mining, connectedTo, Author Attribution>
+<Opinion Mining, connectedTo, Chatbot Development>
+<Opinion Mining, connectedTo, Patent Analysis>
+<Opinion Mining, connectedTo, Sentiment Analysis>
+<Opinion Mining, connectedTo, Topic Modeling>
+<Patent Analysis, interprets, Sentiment Analysis>
+<Resume Parsing, connectedTo, Sentiment Analysis>
+<Resume Parsing, partOf, Financial Text Analysis>
+<Sentiment Analysis, connectedTo, Knowledge Graph Construction>
+<Sentiment Analysis, connectedTo, Named Entity Recognition>
+<Sentiment Analysis, connectedTo, News Article Analysis>
+<Sentiment Analysis, disambiguates, Chatbot Development>
+<Sentiment Analysis, relationships, Topic Modeling>
+<Social Media Text Analysis, connectedTo, Opinion Mining>
+<Spam Detection, connectedTo, Text Preprocessing>
+<Text Classification, connectedTo, Text Visualization>
+<Text Classification, partOf, Financial Text Analysis>
+<Text Preprocessing, connectedTo, Information Extraction>
+<Text Similarity Analysis, connectedTo, Legal Document Analysis>
+<Text Similarity Analysis, partOf, Keyword Extraction>
+<Text Visualization, connectedTo, Resume Parsing>
+<Text Visualization, partOf, Financial Text Analysis>
+<Topic Modeling, connectedTo, Chatbot Development>
diff --git a/test/plantuml/graph_hard/plantuml_33.puml b/test/plantuml/graph_hard/plantuml_33.puml
new file mode 100644
index 0000000000000000000000000000000000000000..03708442d01c398cfe88552d639d822d9c98832f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_33.puml
@@ -0,0 +1,64 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Subsidy Application" as Group0 #E0F2F1 {
+    node "Equipment Repair" as nest0_0 #E0E6E9
+    folder "Irrigation Scheduling" as nest0_1 #DACBE3
+}
+rectangle "Crop Monitoring" as Group1 #ECEFF1 {
+    component "Yield Prediction" as nest1_0 #FFECB3
+    usecase "Crop Rotation Planning" as nest1_1 #FFECB3
+    artifact "Produce Sorting" as nest1_2 #DACBE3
+    usecase "Weather Tracking" as nest1_3 #FFECB3
+}
+node "Seedling Transplanting" as N0 #FFECB3
+node "Greenhouse Control" as N1 #E0E6E9
+rectangle "Harvesting" as N2 #FFECB3
+cloud "Organic Certification" as N3 #FFECB3
+component "Precision Farming" as N4 #E0E6E9
+folder "Aquaculture Farming" as N5 #FFECB3
+rectangle "Supply Chain to Retailers" as N6 #DACBE3
+artifact "Food Processing" as N7 #E0E6E9
+cloud "Soil Nutrient Management" as N8 #DACBE3
+frame "Fertilizer Application" as N9 #DACBE3
+database "Forestry Management" as N10 #FFECB3
+artifact "Grain Drying" as N11 #E0E6E9
+circle " " as S0 #DACBE3
+circle " " as S1 #DACBE3
+circle " " as M0 #DACBE3
+circle " " as M1 #E0E6E9
+N0 ..[#A188D0]..> N1
+N1 -[#FFC107]-> N2
+N2 ..[#000000]..> N3
+N3 -[#FFC107]-> N4
+N4 -[#FFC107]-> N5
+N5 ..[#000000]..> N6
+N6 -[#FFC107]-> N7
+N7 ..[#A188D0]..> N8
+N8 ..[#000000]..> N9
+N9 -[#A188D0]-> N10
+N10 -[#A188D0]-> N11
+nest0_0 -[#AABEC6]-> nest0_1 : certifies
+N4 -[#A188D0]-> nest0_0 : innovates
+nest0_1 -[#000000]-> N1
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 -[#FFC107]-> nest1_2
+nest1_2 -[#AABEC6]-> nest1_3
+N7 ..[#FFC107]..> nest1_0
+nest1_3 -[#A188D0]-> N5
+N2 ..[#AABEC6]..> S0
+S0 ..[#AABEC6]..> N8
+S0 -[#A188D0]-> N9
+S0 ..[#A188D0]..> N5
+N8 ..[#A188D0]..> S1
+S1 -[#A188D0]-> N11
+S1 -[#000000]-> N10
+N1 -[#FFC107]-> M0
+N7 -[#AABEC6]-> M0 : repairs
+M0 -[#AABEC6]-> N11
+N1 ..[#000000]..> M1
+N4 -[#A188D0]-> M1
+N2 -[#AABEC6]-> M1
+M1 -[#A188D0]-> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_33.txt b/test/plantuml/graph_hard/plantuml_33.txt
new file mode 100644
index 0000000000000000000000000000000000000000..14c564759b9febf6a930a97cdc6e9acb8b72b5c6
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_33.txt
@@ -0,0 +1,35 @@
+<Aquaculture Farming, connectedTo, Supply Chain to Retailers>
+<Crop Rotation Planning, connectedTo, Produce Sorting>
+<Crop Rotation Planning, partOf, Crop Monitoring>
+<Equipment Repair, certifies, Irrigation Scheduling>
+<Equipment Repair, partOf, Subsidy Application>
+<Fertilizer Application, connectedTo, Forestry Management>
+<Food Processing, connectedTo, Soil Nutrient Management>
+<Food Processing, connectedTo, Yield Prediction>
+<Food Processing, repairs, Grain Drying>
+<Forestry Management, connectedTo, Grain Drying>
+<Greenhouse Control, connectedTo, Food Processing>
+<Greenhouse Control, connectedTo, Grain Drying>
+<Greenhouse Control, connectedTo, Harvesting>
+<Harvesting, connectedTo, Aquaculture Farming>
+<Harvesting, connectedTo, Fertilizer Application>
+<Harvesting, connectedTo, Food Processing>
+<Harvesting, connectedTo, Organic Certification>
+<Harvesting, connectedTo, Soil Nutrient Management>
+<Irrigation Scheduling, connectedTo, Greenhouse Control>
+<Irrigation Scheduling, partOf, Subsidy Application>
+<Organic Certification, connectedTo, Precision Farming>
+<Precision Farming, connectedTo, Aquaculture Farming>
+<Precision Farming, connectedTo, Food Processing>
+<Precision Farming, innovates, Equipment Repair>
+<Produce Sorting, connectedTo, Weather Tracking>
+<Produce Sorting, partOf, Crop Monitoring>
+<Seedling Transplanting, connectedTo, Greenhouse Control>
+<Soil Nutrient Management, connectedTo, Fertilizer Application>
+<Soil Nutrient Management, connectedTo, Forestry Management>
+<Soil Nutrient Management, connectedTo, Grain Drying>
+<Supply Chain to Retailers, connectedTo, Food Processing>
+<Weather Tracking, connectedTo, Aquaculture Farming>
+<Weather Tracking, partOf, Crop Monitoring>
+<Yield Prediction, connectedTo, Crop Rotation Planning>
+<Yield Prediction, partOf, Crop Monitoring>
diff --git a/test/plantuml/graph_hard/plantuml_330.puml b/test/plantuml/graph_hard/plantuml_330.puml
new file mode 100644
index 0000000000000000000000000000000000000000..34e59ec3a1461606e35fa926636d1795d0120c17
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_330.puml
@@ -0,0 +1,68 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Regular Expressions for Text" as Group0 #ECEFF1 {
+    database "Relationship Extraction" as nest0_0 #FFFDE0
+    cloud "Resume Parsing" as nest0_1 #C8E6C9
+    folder "Machine Learning for Text Mining" as nest0_2 #FFFDE0
+}
+rectangle "Social Media Text Analysis" as Group1 #F3E5F5 {
+    rectangle "Customer Feedback Analysis" as nest1_0 #C8E6C9
+    folder "Opinion Mining" as nest1_1 #FFFDE0
+}
+node "Sentiment Analysis" as N0 #FFFDE0
+frame "Named Entity Recognition" as N1 #ECCFF5
+folder "Plagiarism Detection" as N2 #ECCFF5
+rectangle "Text Classification" as N3 #C8E6C9
+cloud "Text Similarity Analysis" as N4 #FFFDE0
+component "Vector Space Models" as N5 #ECCFF5
+rectangle "Biomedical Text Mining" as N6 #ECCFF5
+cloud "Text Preprocessing" as N7 #ECCFF5
+folder "Topic Modeling" as N8 #C8E6C9
+frame "Data Cleaning for Text" as N9 #ECCFF5
+database "Knowledge Graph Construction" as N10 #C8E6C9
+cloud "Annotation Tools" as N11 #FFFDE0
+cloud "Chatbot Development" as N12 #ECCFF5
+circle " " as S0 #ECCFF5
+circle " " as S1 #FFFDE0
+circle " " as S2 #C8E6C9
+circle " " as M0 #ECCFF5
+circle " " as M1 #C8E6C9
+N0 -[#000000]-> N1
+N1 ..[#FFF8A6]..> N2 : clusters
+N2 -[#CD8FF2]-> N3
+N3 ..[#FFF8A6]..> N4
+N4 -[#CD8FF2]-> N5
+N5 ..[#000000]..> N6 : complies
+N6 -[#4CAF50]-> N7
+N7 ..[#FFF8A6]..> N8
+N8 -[#FFF8A6]-> N9
+N9 ..[#4CAF50]..> N10
+N10 ..[#000000]..> N11 : identifies
+N11 -[#000000]-> N12
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 -[#FFF8A6]-> nest0_2
+N6 -[#CD8FF2]-> nest0_0
+nest0_2 ..[#CD8FF2]..> N11
+nest1_0 -[#CD8FF2]-> nest1_1
+N3 -[#4CAF50]-> nest1_0 : analyzes
+nest1_1 -[#FFF8A6]-> N1 : classifies
+N8 -[#000000]-> S0
+S0 -[#4CAF50]-> N10
+S0 -[#FFF8A6]-> N11
+N6 -[#CD8FF2]-> S1
+S1 ..[#FFF8A6]..> N12 : alerts
+S1 -[#000000]-> N9
+S1 -[#4CAF50]-> N10
+N0 -[#4CAF50]-> S2
+S2 -[#CD8FF2]-> N7
+S2 ..[#4CAF50]..> N11
+N5 ..[#CD8FF2]..> M0
+N3 -[#4CAF50]-> M0
+M0 ..[#FFF8A6]..> N10
+N2 ..[#4CAF50]..> M1
+N8 -[#FFF8A6]-> M1
+N7 ..[#FFF8A6]..> M1
+M1 -[#4CAF50]-> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_330.txt b/test/plantuml/graph_hard/plantuml_330.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5eb44cd081fd312b124678003c442aab48ddb082
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_330.txt
@@ -0,0 +1,35 @@
+<Annotation Tools, connectedTo, Chatbot Development>
+<Biomedical Text Mining, alerts, Chatbot Development>
+<Biomedical Text Mining, connectedTo, Data Cleaning for Text>
+<Biomedical Text Mining, connectedTo, Knowledge Graph Construction>
+<Biomedical Text Mining, connectedTo, Relationship Extraction>
+<Biomedical Text Mining, connectedTo, Text Preprocessing>
+<Customer Feedback Analysis, connectedTo, Opinion Mining>
+<Customer Feedback Analysis, partOf, Social Media Text Analysis>
+<Data Cleaning for Text, connectedTo, Knowledge Graph Construction>
+<Knowledge Graph Construction, identifies, Annotation Tools>
+<Machine Learning for Text Mining, connectedTo, Annotation Tools>
+<Machine Learning for Text Mining, partOf, Regular Expressions for Text>
+<Named Entity Recognition, clusters, Plagiarism Detection>
+<Opinion Mining, classifies, Named Entity Recognition>
+<Opinion Mining, partOf, Social Media Text Analysis>
+<Plagiarism Detection, connectedTo, Knowledge Graph Construction>
+<Plagiarism Detection, connectedTo, Text Classification>
+<Relationship Extraction, connectedTo, Resume Parsing>
+<Relationship Extraction, partOf, Regular Expressions for Text>
+<Resume Parsing, connectedTo, Machine Learning for Text Mining>
+<Resume Parsing, partOf, Regular Expressions for Text>
+<Sentiment Analysis, connectedTo, Annotation Tools>
+<Sentiment Analysis, connectedTo, Named Entity Recognition>
+<Sentiment Analysis, connectedTo, Text Preprocessing>
+<Text Classification, analyzes, Customer Feedback Analysis>
+<Text Classification, connectedTo, Knowledge Graph Construction>
+<Text Classification, connectedTo, Text Similarity Analysis>
+<Text Preprocessing, connectedTo, Knowledge Graph Construction>
+<Text Preprocessing, connectedTo, Topic Modeling>
+<Text Similarity Analysis, connectedTo, Vector Space Models>
+<Topic Modeling, connectedTo, Annotation Tools>
+<Topic Modeling, connectedTo, Data Cleaning for Text>
+<Topic Modeling, connectedTo, Knowledge Graph Construction>
+<Vector Space Models, complies, Biomedical Text Mining>
+<Vector Space Models, connectedTo, Knowledge Graph Construction>
diff --git a/test/plantuml/graph_hard/plantuml_331.puml b/test/plantuml/graph_hard/plantuml_331.puml
new file mode 100644
index 0000000000000000000000000000000000000000..fa89d4a1de617d464f489bc0c7fed01d5cf622af
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_331.puml
@@ -0,0 +1,80 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Simulation and Prediction" as Group0 #FCE4EC {
+    database "Remote Control Capabilities" as nest0_0 #E1BEE7
+    component "Virtual Reality Interaction" as nest0_1 #E4E0DF
+    usecase "What_If Scenario Analysis" as nest0_2 #E1BEE7
+    folder "Model Creation" as nest0_3 #E4E0DF
+}
+rectangle "Automotive Digital Twins" as Group1 #E0F2F1 {
+    rectangle "AI or ML Model Integration" as nest1_0 #E1BEE7
+    frame "Building Information Modeling Integration" as nest1_1 #E8EAF6
+    folder "Smart City Planning" as nest1_2 #E8EAF6
+}
+frame "Design Validation" as N0 #E1BEE7
+rectangle "Real_Time Data Streaming" as N1 #E4E0DF
+database "Interoperability Standards" as N2 #E1BEE7
+rectangle "Operational Planning" as N3 #E4E0DF
+component "Enterprise Asset Management Integration" as N4 #E8EAF6
+folder "Edge Computing for Twins" as N5 #E1BEE7
+artifact "Data Governance for Twins" as N6 #E4E0DF
+folder "Cyber_Physical Systems" as N7 #E8EAF6
+usecase "Risk Assessment" as N8 #E1BEE7
+component "IoT Data Ingestion" as N9 #E8EAF6
+cloud "Data Security for Digital Twins" as N10 #E8EAF6
+component "Aerospace Digital Twins" as N11 #E4E0DF
+folder "Predictive Maintenance" as N12 #E8EAF6
+folder "Energy Consumption Optimization" as N13 #E8EAF6
+folder "Scalability of Models" as N14 #E8EAF6
+usecase "Performance Monitoring" as N15 #E8EAF6
+component "Autonomous Operations" as N16 #E1BEE7
+circle " " as S0 #E8EAF6
+circle " " as S1 #E4E0DF
+circle " " as S2 #E1BEE7
+circle " " as M1 #E8EAF6
+N0 -[#7986CB]-> N1
+N1 -[#000000]-> N2
+N2 ..[#9C27B0]..> N3
+N3 ..[#7986CB]..> N4
+N4 -[#BDAFA8]-> N5
+N5 ..[#BDAFA8]..> N6
+N6 -[#9C27B0]-> N7
+N7 -[#BDAFA8]-> N8
+N8 -[#BDAFA8]-> N9
+N9 -[#7986CB]-> N10
+N10 -[#BDAFA8]-> N11
+N11 -[#9C27B0]-> N12
+N12 -[#7986CB]-> N13
+N13 -[#BDAFA8]-> N14
+N14 -[#BDAFA8]-> N15
+N15 ..[#000000]..> N16
+nest0_0 -[#7986CB]-> nest0_1
+nest0_1 -[#7986CB]-> nest0_2
+nest0_2 -[#BDAFA8]-> nest0_3
+N11 ..[#000000]..> nest0_0
+nest0_3 ..[#7986CB]..> N5
+nest1_0 -[#BDAFA8]-> nest1_1
+nest1_1 -[#7986CB]-> nest1_2
+N6 ..[#000000]..> nest1_0
+nest1_2 -[#000000]-> N14
+N13 ..[#000000]..> S0
+S0 ..[#000000]..> N16
+S0 -[#9C27B0]-> N15
+N1 -[#7986CB]-> S1
+S1 -[#BDAFA8]-> N8
+S1 ..[#9C27B0]..> N6
+S1 ..[#9C27B0]..> N7
+S1 -[#000000]-> N16
+N3 ..[#BDAFA8]..> S2
+S2 ..[#000000]..> N14
+S2 -[#BDAFA8]-> N7
+S2 -[#7986CB]-> N6
+S2 ..[#000000]..> N10
+N1 ..[#9C27B0]..> M1
+N4 -[#9C27B0]-> M1
+N2 -[#BDAFA8]-> M1
+N0 ..[#000000]..> M1
+M1 -[#000000]-> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_331.txt b/test/plantuml/graph_hard/plantuml_331.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c67046634cbe69ac843d7775406c8f0b8208424c
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_331.txt
@@ -0,0 +1,45 @@
+<AI or ML Model Integration, connectedTo, Building Information Modeling Integration>
+<AI or ML Model Integration, partOf, Automotive Digital Twins>
+<Aerospace Digital Twins, connectedTo, Predictive Maintenance>
+<Aerospace Digital Twins, connectedTo, Remote Control Capabilities>
+<Building Information Modeling Integration, connectedTo, Smart City Planning>
+<Building Information Modeling Integration, partOf, Automotive Digital Twins>
+<Cyber_Physical Systems, connectedTo, Risk Assessment>
+<Data Governance for Twins, connectedTo, AI or ML Model Integration>
+<Data Governance for Twins, connectedTo, Cyber_Physical Systems>
+<Data Security for Digital Twins, connectedTo, Aerospace Digital Twins>
+<Design Validation, connectedTo, Cyber_Physical Systems>
+<Design Validation, connectedTo, Real_Time Data Streaming>
+<Edge Computing for Twins, connectedTo, Data Governance for Twins>
+<Energy Consumption Optimization, connectedTo, Autonomous Operations>
+<Energy Consumption Optimization, connectedTo, Performance Monitoring>
+<Energy Consumption Optimization, connectedTo, Scalability of Models>
+<Enterprise Asset Management Integration, connectedTo, Cyber_Physical Systems>
+<Enterprise Asset Management Integration, connectedTo, Edge Computing for Twins>
+<Interoperability Standards, connectedTo, Cyber_Physical Systems>
+<Interoperability Standards, connectedTo, Operational Planning>
+<IoT Data Ingestion, connectedTo, Data Security for Digital Twins>
+<Model Creation, connectedTo, Edge Computing for Twins>
+<Model Creation, partOf, Simulation and Prediction>
+<Operational Planning, connectedTo, Cyber_Physical Systems>
+<Operational Planning, connectedTo, Data Governance for Twins>
+<Operational Planning, connectedTo, Data Security for Digital Twins>
+<Operational Planning, connectedTo, Enterprise Asset Management Integration>
+<Operational Planning, connectedTo, Scalability of Models>
+<Performance Monitoring, connectedTo, Autonomous Operations>
+<Predictive Maintenance, connectedTo, Energy Consumption Optimization>
+<Real_Time Data Streaming, connectedTo, Autonomous Operations>
+<Real_Time Data Streaming, connectedTo, Cyber_Physical Systems>
+<Real_Time Data Streaming, connectedTo, Data Governance for Twins>
+<Real_Time Data Streaming, connectedTo, Interoperability Standards>
+<Real_Time Data Streaming, connectedTo, Risk Assessment>
+<Remote Control Capabilities, connectedTo, Virtual Reality Interaction>
+<Remote Control Capabilities, partOf, Simulation and Prediction>
+<Risk Assessment, connectedTo, IoT Data Ingestion>
+<Scalability of Models, connectedTo, Performance Monitoring>
+<Smart City Planning, connectedTo, Scalability of Models>
+<Smart City Planning, partOf, Automotive Digital Twins>
+<Virtual Reality Interaction, connectedTo, What_If Scenario Analysis>
+<Virtual Reality Interaction, partOf, Simulation and Prediction>
+<What_If Scenario Analysis, connectedTo, Model Creation>
+<What_If Scenario Analysis, partOf, Simulation and Prediction>
diff --git a/test/plantuml/graph_hard/plantuml_332.puml b/test/plantuml/graph_hard/plantuml_332.puml
new file mode 100644
index 0000000000000000000000000000000000000000..2a45c8668a856960ad515cb0817c6493023128cf
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_332.puml
@@ -0,0 +1,83 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Anomaly Detection" as Group0 #E3F2FD {
+    usecase "Edge Computing for Twins" as nest0_0 #F3E5F5
+    folder "Enterprise Asset Management Integration" as nest0_1 #F3E5F5
+    node "Risk Assessment" as nest0_2 #FFFDE7
+    database "Smart Manufacturing" as nest0_3 #FFFDE7
+}
+rectangle "IoT Data Ingestion" as Group1 #E8F5E9 {
+    database "Data Security for Digital Twins" as nest1_0 #FFFDE7
+    database "Data Governance for Twins" as nest1_1 #FFFDE7
+    cloud "Interoperability Standards" as nest1_2 #FFFDE7
+    frame "Simulation Platform Development" as nest1_3 #FFFDE7
+}
+frame "Maintenance Scheduling" as N0 #FFFDE7
+artifact "Automotive Digital Twins" as N1 #FFFDE7
+database "Design Validation" as N2 #F3E5F5
+rectangle "Asset Optimization" as N3 #F3E5F5
+node "Predictive Maintenance" as N4 #F3E5F5
+usecase "Model Creation" as N5 #F3E5F5
+frame "Virtual Prototyping" as N6 #FFFDE7
+artifact "Condition Monitoring" as N7 #FFFDE7
+folder "Virtual Reality Interaction" as N8 #F3E5F5
+component "What_If Scenario Analysis" as N9 #FFFDE7
+database "Energy Consumption Optimization" as N10 #FFFDE7
+frame "Remote Control Capabilities" as N11 #FFFDE7
+component "Augmented Reality Visualization" as N12 #F3E5F5
+folder "Cyber_Physical Systems" as N13 #FFFDE7
+folder "Digital Twin Lifecycle Management" as N14 #FFFDE7
+artifact "Real_Time Data Streaming" as N15 #FFFDE7
+folder "Performance Monitoring" as N16 #FFFDE7
+circle " " as S0 #F3E5F5
+circle " " as S1 #FFFDE7
+circle " " as M0 #FFFDE7
+circle " " as M1 #F3E5F5
+circle " " as M2 #F3E5F5
+N0 ..[#FFF176]..> N1
+N1 -[#000000]-> N2
+N2 -[#AB47BC]-> N3
+N3 ..[#AB47BC]..> N4
+N4 -[#FBC02D]-> N5
+N5 -[#000000]-> N6
+N6 -[#AB47BC]-> N7
+N7 -[#FFF176]-> N8
+N8 -[#AB47BC]-> N9
+N9 ..[#FFF176]..> N10 : processes_improves
+N10 ..[#000000]..> N11
+N11 -[#000000]-> N12
+N12 ..[#AB47BC]..> N13
+N13 -[#FFF176]-> N14
+N14 ..[#AB47BC]..> N15
+N15 ..[#FFF176]..> N16
+nest0_0 -[#AB47BC]-> nest0_1
+nest0_1 -[#000000]-> nest0_2
+nest0_2 -[#000000]-> nest0_3
+N4 ..[#FBC02D]..> nest0_0 : governs
+nest0_3 -[#FBC02D]-> N6
+nest1_0 -[#AB47BC]-> nest1_1
+nest1_1 -[#000000]-> nest1_2
+nest1_2 ..[#FFF176]..> nest1_3
+N14 ..[#FBC02D]..> nest1_0
+nest1_3 -[#FFF176]-> N3
+N7 -[#AB47BC]-> S0
+S0 -[#AB47BC]-> N13 : blockchain_leverages
+S0 ..[#000000]..> N12
+S0 -[#FFF176]-> N9
+N12 -[#FFF176]-> S1
+S1 ..[#FBC02D]..> N16
+S1 ..[#AB47BC]..> N14
+S1 ..[#AB47BC]..> N15
+N0 ..[#AB47BC]..> M0
+N1 -[#FBC02D]-> M0
+M0 ..[#FFF176]..> N3
+N2 -[#000000]-> M1
+N1 -[#FBC02D]-> M1
+M1 ..[#AB47BC]..> N7
+N5 -[#AB47BC]-> M2
+N9 -[#FFF176]-> M2
+N3 -[#FFF176]-> M2
+M2 ..[#000000]..> N11
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_332.txt b/test/plantuml/graph_hard/plantuml_332.txt
new file mode 100644
index 0000000000000000000000000000000000000000..624801afde0265358e19aefd06c150e7203ea03b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_332.txt
@@ -0,0 +1,47 @@
+<Asset Optimization, connectedTo, Predictive Maintenance>
+<Asset Optimization, connectedTo, Remote Control Capabilities>
+<Augmented Reality Visualization, connectedTo, Cyber_Physical Systems>
+<Augmented Reality Visualization, connectedTo, Digital Twin Lifecycle Management>
+<Augmented Reality Visualization, connectedTo, Performance Monitoring>
+<Augmented Reality Visualization, connectedTo, Real_Time Data Streaming>
+<Automotive Digital Twins, connectedTo, Asset Optimization>
+<Automotive Digital Twins, connectedTo, Condition Monitoring>
+<Automotive Digital Twins, connectedTo, Design Validation>
+<Condition Monitoring, blockchain_leverages, Cyber_Physical Systems>
+<Condition Monitoring, connectedTo, Augmented Reality Visualization>
+<Condition Monitoring, connectedTo, Virtual Reality Interaction>
+<Condition Monitoring, connectedTo, What_If Scenario Analysis>
+<Cyber_Physical Systems, connectedTo, Digital Twin Lifecycle Management>
+<Data Governance for Twins, connectedTo, Interoperability Standards>
+<Data Governance for Twins, partOf, IoT Data Ingestion>
+<Data Security for Digital Twins, connectedTo, Data Governance for Twins>
+<Data Security for Digital Twins, partOf, IoT Data Ingestion>
+<Design Validation, connectedTo, Asset Optimization>
+<Design Validation, connectedTo, Condition Monitoring>
+<Digital Twin Lifecycle Management, connectedTo, Data Security for Digital Twins>
+<Digital Twin Lifecycle Management, connectedTo, Real_Time Data Streaming>
+<Edge Computing for Twins, connectedTo, Enterprise Asset Management Integration>
+<Edge Computing for Twins, partOf, Anomaly Detection>
+<Energy Consumption Optimization, connectedTo, Remote Control Capabilities>
+<Enterprise Asset Management Integration, connectedTo, Risk Assessment>
+<Enterprise Asset Management Integration, partOf, Anomaly Detection>
+<Interoperability Standards, connectedTo, Simulation Platform Development>
+<Interoperability Standards, partOf, IoT Data Ingestion>
+<Maintenance Scheduling, connectedTo, Asset Optimization>
+<Maintenance Scheduling, connectedTo, Automotive Digital Twins>
+<Model Creation, connectedTo, Remote Control Capabilities>
+<Model Creation, connectedTo, Virtual Prototyping>
+<Predictive Maintenance, connectedTo, Model Creation>
+<Predictive Maintenance, governs, Edge Computing for Twins>
+<Real_Time Data Streaming, connectedTo, Performance Monitoring>
+<Remote Control Capabilities, connectedTo, Augmented Reality Visualization>
+<Risk Assessment, connectedTo, Smart Manufacturing>
+<Risk Assessment, partOf, Anomaly Detection>
+<Simulation Platform Development, connectedTo, Asset Optimization>
+<Simulation Platform Development, partOf, IoT Data Ingestion>
+<Smart Manufacturing, connectedTo, Virtual Prototyping>
+<Smart Manufacturing, partOf, Anomaly Detection>
+<Virtual Prototyping, connectedTo, Condition Monitoring>
+<Virtual Reality Interaction, connectedTo, What_If Scenario Analysis>
+<What_If Scenario Analysis, connectedTo, Remote Control Capabilities>
+<What_If Scenario Analysis, processes_improves, Energy Consumption Optimization>
diff --git a/test/plantuml/graph_hard/plantuml_333.puml b/test/plantuml/graph_hard/plantuml_333.puml
new file mode 100644
index 0000000000000000000000000000000000000000..1952f518bcefd43a2629db7eaf17337161751348
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_333.puml
@@ -0,0 +1,73 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Augmented Reality Visualization" as Group0 #F3E5F5 {
+    rectangle "Operational Planning" as nest0_0 #F5F5DC
+    rectangle "Healthcare Digital Twins" as nest0_1 #F5F5DC
+    cloud "Cyber_Physical Systems" as nest0_2 #B3E5FC
+    rectangle "Risk Assessment" as nest0_3 #B3E5FC
+}
+rectangle "Building Information Modeling Integration" as Group1 #EDE7F6 {
+    database "Design Validation" as nest1_0 #D3F7F9
+    folder "Edge Computing for Twins" as nest1_1 #B3E5FC
+}
+artifact "Scalability of Models" as N0 #B3E5FC
+usecase "Model Creation" as N1 #F5F5DC
+frame "Automotive Digital Twins" as N2 #B3E5FC
+artifact "Data Security for Digital Twins" as N3 #B3E5FC
+cloud "Data Governance for Twins" as N4 #D3F7F9
+usecase "Maintenance Scheduling" as N5 #B3E5FC
+cloud "Predictive Maintenance" as N6 #F5F5DC
+folder "Digital Twin Lifecycle Management" as N7 #F5F5DC
+usecase "Performance Monitoring" as N8 #F5F5DC
+frame "Condition Monitoring" as N9 #B3E5FC
+artifact "Enterprise Asset Management Integration" as N10 #D3F7F9
+rectangle "Simulation and Prediction" as N11 #F5F5DC
+artifact "What_If Scenario Analysis" as N12 #F5F5DC
+component "Aerospace Digital Twins" as N13 #B3E5FC
+folder "IoT Data Ingestion" as N14 #F5F5DC
+folder "Smart City Planning" as N15 #F5F5DC
+circle " " as S0 #B3E5FC
+circle " " as S1 #B3E5FC
+circle " " as M0 #D3F7F9
+circle " " as M2 #F5F5DC
+N0 -[#BCB88A]-> N1
+N1 ..[#80DDEA]..> N2
+N2 ..[#000000]..> N3
+N3 ..[#BCB88A]..> N4
+N4 ..[#000000]..> N5
+N5 ..[#BCB88A]..> N6
+N6 ..[#BCB88A]..> N7
+N7 ..[#03A9F4]..> N8
+N8 -[#BCB88A]-> N9
+N9 ..[#80DDEA]..> N10
+N10 ..[#03A9F4]..> N11
+N11 -[#03A9F4]-> N12
+N12 -[#000000]-> N13
+N13 -[#BCB88A]-> N14
+N14 -[#03A9F4]-> N15
+nest0_0 ..[#80DDEA]..> nest0_1 : upgrades
+nest0_1 -[#000000]-> nest0_2
+nest0_2 ..[#80DDEA]..> nest0_3
+N9 ..[#000000]..> nest0_0
+nest0_3 ..[#03A9F4]..> N7
+nest1_0 ..[#BCB88A]..> nest1_1 : analyzes
+N3 -[#03A9F4]-> nest1_0
+nest1_1 ..[#80DDEA]..> N7
+N10 ..[#BCB88A]..> S0
+S0 -[#80DDEA]-> N14
+S0 -[#80DDEA]-> N12
+S0 -[#000000]-> N13
+N12 ..[#80DDEA]..> S1
+S1 ..[#03A9F4]..> N15
+S1 -[#000000]-> N14
+N0 -[#80DDEA]-> M0
+N5 ..[#80DDEA]..> M0
+N4 -[#000000]-> M0
+N3 -[#000000]-> M0
+M0 ..[#80DDEA]..> N7
+N1 ..[#03A9F4]..> M2
+N0 -[#000000]-> M2
+M2 -[#03A9F4]-> N11
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_333.txt b/test/plantuml/graph_hard/plantuml_333.txt
new file mode 100644
index 0000000000000000000000000000000000000000..45603070560e74c8c0e6217a91a44a4daff5e564
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_333.txt
@@ -0,0 +1,40 @@
+<Aerospace Digital Twins, connectedTo, IoT Data Ingestion>
+<Automotive Digital Twins, connectedTo, Data Security for Digital Twins>
+<Condition Monitoring, connectedTo, Enterprise Asset Management Integration>
+<Condition Monitoring, connectedTo, Operational Planning>
+<Cyber_Physical Systems, connectedTo, Risk Assessment>
+<Cyber_Physical Systems, partOf, Augmented Reality Visualization>
+<Data Governance for Twins, connectedTo, Digital Twin Lifecycle Management>
+<Data Governance for Twins, connectedTo, Maintenance Scheduling>
+<Data Security for Digital Twins, connectedTo, Data Governance for Twins>
+<Data Security for Digital Twins, connectedTo, Design Validation>
+<Data Security for Digital Twins, connectedTo, Digital Twin Lifecycle Management>
+<Design Validation, analyzes, Edge Computing for Twins>
+<Design Validation, partOf, Building Information Modeling Integration>
+<Digital Twin Lifecycle Management, connectedTo, Performance Monitoring>
+<Edge Computing for Twins, connectedTo, Digital Twin Lifecycle Management>
+<Edge Computing for Twins, partOf, Building Information Modeling Integration>
+<Enterprise Asset Management Integration, connectedTo, Aerospace Digital Twins>
+<Enterprise Asset Management Integration, connectedTo, IoT Data Ingestion>
+<Enterprise Asset Management Integration, connectedTo, Simulation and Prediction>
+<Enterprise Asset Management Integration, connectedTo, What_If Scenario Analysis>
+<Healthcare Digital Twins, connectedTo, Cyber_Physical Systems>
+<Healthcare Digital Twins, partOf, Augmented Reality Visualization>
+<IoT Data Ingestion, connectedTo, Smart City Planning>
+<Maintenance Scheduling, connectedTo, Digital Twin Lifecycle Management>
+<Maintenance Scheduling, connectedTo, Predictive Maintenance>
+<Model Creation, connectedTo, Automotive Digital Twins>
+<Model Creation, connectedTo, Simulation and Prediction>
+<Operational Planning, partOf, Augmented Reality Visualization>
+<Operational Planning, upgrades, Healthcare Digital Twins>
+<Performance Monitoring, connectedTo, Condition Monitoring>
+<Predictive Maintenance, connectedTo, Digital Twin Lifecycle Management>
+<Risk Assessment, connectedTo, Digital Twin Lifecycle Management>
+<Risk Assessment, partOf, Augmented Reality Visualization>
+<Scalability of Models, connectedTo, Digital Twin Lifecycle Management>
+<Scalability of Models, connectedTo, Model Creation>
+<Scalability of Models, connectedTo, Simulation and Prediction>
+<Simulation and Prediction, connectedTo, What_If Scenario Analysis>
+<What_If Scenario Analysis, connectedTo, Aerospace Digital Twins>
+<What_If Scenario Analysis, connectedTo, IoT Data Ingestion>
+<What_If Scenario Analysis, connectedTo, Smart City Planning>
diff --git a/test/plantuml/graph_hard/plantuml_334.puml b/test/plantuml/graph_hard/plantuml_334.puml
new file mode 100644
index 0000000000000000000000000000000000000000..0bbb6110adb2306d8abddfb1771e0239df13f94e
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_334.puml
@@ -0,0 +1,81 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Process Mining" as Group0 #E3F2FD {
+    frame "User Training for Automated Systems" as nest0_0 #E8F0FF
+    folder "Performance Monitoring of Bots" as nest0_1 #E8F0FF
+}
+rectangle "Customer Service Automation" as Group1 #FCE4EC {
+    cloud "Change Management for Automation" as nest1_0 #E8F0FF
+    folder "Process Mapping" as nest1_1 #EDF5F3
+    frame "Orchestration of Processes" as nest1_2 #E8F0FF
+    node "Optical Character Recognition for Automation" as nest1_3 #FCFCE7
+}
+folder "Error Handling in Automation" as N0 #EDF5F3
+cloud "Automated Testing" as N1 #FCFCE7
+node "Scalability of Automation" as N2 #E8F0FF
+frame "Robotic Process Automation Implementation" as N3 #EDF5F3
+artifact "Task Automation" as N4 #E8F0FF
+frame "Automated Data Validation" as N5 #EDF5F3
+artifact "Decision Automation" as N6 #E8F0FF
+rectangle "IT Operations Automation" as N7 #E8F0FF
+folder "Workflow Analysis" as N8 #E8F0FF
+rectangle "Low_Code or No_Code Automation" as N9 #EDF5F3
+rectangle "Workflow Automation Platforms" as N10 #E8F0FF
+folder "Chatbot Integration" as N11 #E8F0FF
+cloud "Report Generation Automation" as N12 #EDF5F3
+database "Document Processing Automation" as N13 #FCFCE7
+cloud "Return on Investment Calculation" as N14 #E8F0FF
+cloud "Compliance in Automation" as N15 #EDF5F3
+database "Business Process Management" as N16 #EDF5F3
+node "Data Entry Automation" as N17 #E8F0FF
+circle " " as S0 #EDF5F3
+circle " " as S1 #E8F0FF
+circle " " as S2 #FCFCE7
+circle " " as M1 #EDF5F3
+N0 ..[#A1D7CD]..> N1
+N1 ..[#000000]..> N2
+N2 -[#000000]-> N3
+N3 -[#A1D7CD]-> N4
+N4 -[#000000]-> N5
+N5 -[#A1D7CD]-> N6
+N6 -[#000000]-> N7
+N7 ..[#A1D7CD]..> N8
+N8 -[#DCE775]-> N9
+N9 ..[#000000]..> N10
+N10 ..[#A2D0FF]..> N11
+N11 -[#A2D0FF]-> N12
+N12 ..[#A1D7CD]..> N13
+N13 -[#000000]-> N14
+N14 ..[#000000]..> N15
+N15 ..[#000000]..> N16
+N16 -[#000000]-> N17
+nest0_0 ..[#A2D0FF]..> nest0_1
+N1 -[#A2D0FF]-> nest0_0
+nest0_1 -[#DCE775]-> N4
+nest1_0 -[#000000]-> nest1_1
+nest1_1 ..[#A1D7CD]..> nest1_2
+nest1_2 -[#A1D7CD]-> nest1_3
+N3 -[#A1D7CD]-> nest1_0
+nest1_3 ..[#A1D7CD]..> N15
+N6 -[#A2D0FF]-> S0
+S0 -[#A2D0FF]-> N16
+S0 ..[#000000]..> N10
+S0 ..[#A1D7CD]..> N13
+S0 ..[#DCE775]..> N17
+N0 -[#000000]-> S1
+S1 -[#A2D0FF]-> N7
+S1 ..[#DCE775]..> N11
+S1 ..[#000000]..> N10
+S1 -[#DCE775]-> N2
+N0 -[#A2D0FF]-> S2
+S2 ..[#A2D0FF]..> N13
+S2 ..[#DCE775]..> N9
+S2 -[#A2D0FF]-> N11
+N2 -[#A1D7CD]-> M1
+N7 -[#A1D7CD]-> M1
+N12 ..[#000000]..> M1
+N0 -[#000000]-> M1
+M1 -[#A2D0FF]-> N14
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_335.puml b/test/plantuml/graph_hard/plantuml_335.puml
new file mode 100644
index 0000000000000000000000000000000000000000..d03d9d8df183824917388f040949e1f828775a7b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_335.puml
@@ -0,0 +1,76 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "API Automation" as Group0 #E8F5E9 {
+    artifact "Process Mapping" as nest0_0 #CFD8DC
+    cloud "Finance Process Automation" as nest0_1 #F2E6F5
+    usecase "Natural Language Processing for Automation" as nest0_2 #CFD8DC
+    cloud "Automation Opportunity Identification" as nest0_3 #CFD8DC
+}
+rectangle "Task Automation" as Group1 #FCE4EC {
+    usecase "Scalability of Automation" as nest1_0 #F2E6F5
+    folder "Business Process Management" as nest1_1 #F2E6F5
+    node "Data Entry Automation" as nest1_2 #F2E6F5
+}
+node "Optical Character Recognition for Automation" as N0 #CFD8DC
+node "Automated Data Validation" as N1 #F2E6F5
+folder "Hyperautomation" as N2 #F2E6F5
+node "Return on Investment Calculation" as N3 #CFD8DC
+artifact "Robotic Process Automation Implementation" as N4 #F2E6F5
+rectangle "Process Mining" as N5 #CFD8DC
+usecase "Chatbot Integration" as N6 #F2E6F5
+frame "Intelligent Automation" as N7 #F5F5F5
+artifact "Change Management for Automation" as N8 #F5F5F5
+folder "Automated Testing" as N9 #F5F5F5
+database "Performance Monitoring of Bots" as N10 #F5F5F5
+cloud "Orchestration of Processes" as N11 #CFD8DC
+usecase "Document Processing Automation" as N12 #CFD8DC
+node "Scripting for Automation" as N13 #F5F5F5
+artifact "Workflow Analysis" as N14 #F2E6F5
+folder "Supply Chain Automation" as N15 #F5F5F5
+cloud "Audit Trail for Automation" as N16 #F5F5F5
+circle " " as S0 #F5F5F5
+circle " " as S1 #CFD8DC
+circle " " as S2 #F2E6F5
+circle " " as M1 #F5F5F5
+N0 ..[#BDBDBD]..> N1 : tasks_handles
+N1 ..[#BDBDBD]..> N2
+N2 ..[#000000]..> N3
+N3 ..[#607D8B]..> N4
+N4 -[#CB9BE1]-> N5
+N5 ..[#000000]..> N6 : supports
+N6 -[#BDBDBD]-> N7
+N7 ..[#CB9BE1]..> N8
+N8 -[#607D8B]-> N9
+N9 ..[#000000]..> N10
+N10 -[#CB9BE1]-> N11
+N11 ..[#607D8B]..> N12
+N12 ..[#BDBDBD]..> N13
+N13 ..[#BDBDBD]..> N14
+N14 ..[#CB9BE1]..> N15 : enhances_compliance
+N15 -[#000000]-> N16
+nest0_0 -[#BDBDBD]-> nest0_1
+nest0_1 -[#CB9BE1]-> nest0_2
+nest0_2 ..[#607D8B]..> nest0_3
+N1 -[#000000]-> nest0_0
+nest0_3 ..[#BDBDBD]..> N7
+nest1_0 ..[#CB9BE1]..> nest1_1
+nest1_1 ..[#CB9BE1]..> nest1_2
+N5 ..[#000000]..> nest1_0
+nest1_2 ..[#607D8B]..> N11
+N4 -[#CB9BE1]-> S0
+S0 ..[#000000]..> N7
+S0 -[#CB9BE1]-> N14
+S0 -[#607D8B]-> N8
+N13 ..[#CB9BE1]..> S1
+S1 -[#CB9BE1]-> N15
+S1 -[#607D8B]-> N16
+N7 ..[#BDBDBD]..> S2
+S2 ..[#CB9BE1]..> N13
+S2 -[#607D8B]-> N10 : improves_accuracy
+S2 ..[#BDBDBD]..> N16 : increases_efficiency
+N3 ..[#000000]..> M1 : improves
+N1 ..[#000000]..> M1
+M1 ..[#607D8B]..> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_335.txt b/test/plantuml/graph_hard/plantuml_335.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5530c50db602ecddecbd46548c93fd35b1f29c26
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_335.txt
@@ -0,0 +1,42 @@
+<Automated Data Validation, connectedTo, Automated Testing>
+<Automated Data Validation, connectedTo, Hyperautomation>
+<Automated Data Validation, connectedTo, Process Mapping>
+<Automated Testing, connectedTo, Performance Monitoring of Bots>
+<Automation Opportunity Identification, connectedTo, Intelligent Automation>
+<Automation Opportunity Identification, partOf, API Automation>
+<Business Process Management, connectedTo, Data Entry Automation>
+<Business Process Management, partOf, Task Automation>
+<Change Management for Automation, connectedTo, Automated Testing>
+<Chatbot Integration, connectedTo, Intelligent Automation>
+<Data Entry Automation, connectedTo, Orchestration of Processes>
+<Data Entry Automation, partOf, Task Automation>
+<Document Processing Automation, connectedTo, Scripting for Automation>
+<Finance Process Automation, connectedTo, Natural Language Processing for Automation>
+<Finance Process Automation, partOf, API Automation>
+<Hyperautomation, connectedTo, Return on Investment Calculation>
+<Intelligent Automation, connectedTo, Change Management for Automation>
+<Intelligent Automation, connectedTo, Scripting for Automation>
+<Intelligent Automation, improves_accuracy, Performance Monitoring of Bots>
+<Intelligent Automation, increases_efficiency, Audit Trail for Automation>
+<Natural Language Processing for Automation, connectedTo, Automation Opportunity Identification>
+<Natural Language Processing for Automation, partOf, API Automation>
+<Optical Character Recognition for Automation, tasks_handles, Automated Data Validation>
+<Orchestration of Processes, connectedTo, Document Processing Automation>
+<Performance Monitoring of Bots, connectedTo, Orchestration of Processes>
+<Process Mapping, connectedTo, Finance Process Automation>
+<Process Mapping, partOf, API Automation>
+<Process Mining, connectedTo, Scalability of Automation>
+<Process Mining, supports, Chatbot Integration>
+<Return on Investment Calculation, connectedTo, Robotic Process Automation Implementation>
+<Return on Investment Calculation, improves, Automated Testing>
+<Robotic Process Automation Implementation, connectedTo, Change Management for Automation>
+<Robotic Process Automation Implementation, connectedTo, Intelligent Automation>
+<Robotic Process Automation Implementation, connectedTo, Process Mining>
+<Robotic Process Automation Implementation, connectedTo, Workflow Analysis>
+<Scalability of Automation, connectedTo, Business Process Management>
+<Scalability of Automation, partOf, Task Automation>
+<Scripting for Automation, connectedTo, Audit Trail for Automation>
+<Scripting for Automation, connectedTo, Supply Chain Automation>
+<Scripting for Automation, connectedTo, Workflow Analysis>
+<Supply Chain Automation, connectedTo, Audit Trail for Automation>
+<Workflow Analysis, enhances_compliance, Supply Chain Automation>
diff --git a/test/plantuml/graph_hard/plantuml_336.puml b/test/plantuml/graph_hard/plantuml_336.puml
new file mode 100644
index 0000000000000000000000000000000000000000..7142a3e56cfa1b60060c23369bb81e1ac0826d06
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_336.puml
@@ -0,0 +1,74 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "User Training for Automated Systems" as Group0 #FCE4EC {
+    usecase "Decision Automation" as nest0_0 #C2E8E6
+    frame "Audit Trail for Automation" as nest0_1 #EFE6FF
+    rectangle "Error Handling in Automation" as nest0_2 #EFE6FF
+}
+rectangle "Automation Opportunity Identification" as Group1 #F3E5F5 {
+    frame "Automated Data Validation" as nest1_0 #DFE7EB
+    cloud "Intelligent Automation" as nest1_1 #C2E8E6
+    artifact "Integration with Existing Systems" as nest1_2 #EFE6FF
+    folder "HR Process Automation" as nest1_3 #EFE6FF
+}
+component "Return on Investment Calculation" as N0 #DFE7EB
+database "Finance Process Automation" as N1 #C2E8E6
+database "Workflow Analysis" as N2 #EFE6FF
+frame "Automated Testing" as N3 #EFE6FF
+component "Chatbot Integration" as N4 #C2E8E6
+cloud "Document Processing Automation" as N5 #EFE6FF
+usecase "Hyperautomation" as N6 #DFE7EB
+frame "Business Process Management" as N7 #EFE6FF
+rectangle "Process Mining" as N8 #C2E8E6
+node "IT Operations Automation" as N9 #C2E8E6
+frame "Optical Character Recognition for Automation" as N10 #EFE6FF
+folder "API Automation" as N11 #EFE6FF
+cloud "Security for Automation Bots" as N12 #EFE6FF
+database "Performance Monitoring of Bots" as N13 #C2E8E6
+artifact "Task Automation" as N14 #EFE6FF
+cloud "Report Generation Automation" as N15 #EFE6FF
+circle " " as S0 #DFE7EB
+circle " " as S1 #C2E8E6
+circle " " as M0 #DFE7EB
+circle " " as M2 #DFE7EB
+N0 -[#C2B2F0]-> N1
+N1 -[#C2B2F0]-> N2
+N2 ..[#C2B2F0]..> N3
+N3 ..[#61CAC3]..> N4
+N4 ..[#C2B2F0]..> N5 : reduces_costs
+N5 ..[#C2B2F0]..> N6 : improves_accuracy
+N6 ..[#C2B2F0]..> N7
+N7 ..[#C2B2F0]..> N8
+N8 -[#B0C5CD]-> N9
+N9 -[#000000]-> N10
+N10 ..[#61CAC3]..> N11
+N11 ..[#000000]..> N12
+N12 ..[#61CAC3]..> N13
+N13 -[#61CAC3]-> N14
+N14 ..[#C2B2F0]..> N15
+nest0_0 -[#C2B2F0]-> nest0_1
+nest0_1 ..[#000000]..> nest0_2
+N10 -[#000000]-> nest0_0
+nest0_2 -[#B0C5CD]-> N5
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 -[#B0C5CD]-> nest1_2
+nest1_2 ..[#C2B2F0]..> nest1_3
+N13 -[#B0C5CD]-> nest1_0
+nest1_3 ..[#000000]..> N11
+N11 -[#61CAC3]-> S0
+S0 ..[#B0C5CD]..> N14
+S0 ..[#C2B2F0]..> N13
+S0 -[#C2B2F0]-> N15
+N9 -[#61CAC3]-> S1
+S1 -[#000000]-> N12
+S1 -[#000000]-> N13
+S1 -[#000000]-> N11
+N1 ..[#61CAC3]..> M0
+N2 -[#000000]-> M0 : errors_detects
+M0 -[#C2B2F0]-> N5
+N2 ..[#C2B2F0]..> M2
+N0 ..[#C2B2F0]..> M2
+M2 ..[#000000]..> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_336.txt b/test/plantuml/graph_hard/plantuml_336.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1fb3415647f1940b2d25f4e31743530061ada653
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_336.txt
@@ -0,0 +1,41 @@
+<API Automation, connectedTo, Performance Monitoring of Bots>
+<API Automation, connectedTo, Report Generation Automation>
+<API Automation, connectedTo, Security for Automation Bots>
+<API Automation, connectedTo, Task Automation>
+<Audit Trail for Automation, connectedTo, Error Handling in Automation>
+<Audit Trail for Automation, partOf, User Training for Automated Systems>
+<Automated Data Validation, connectedTo, Intelligent Automation>
+<Automated Data Validation, partOf, Automation Opportunity Identification>
+<Automated Testing, connectedTo, Chatbot Integration>
+<Business Process Management, connectedTo, Process Mining>
+<Chatbot Integration, reduces_costs, Document Processing Automation>
+<Decision Automation, connectedTo, Audit Trail for Automation>
+<Decision Automation, partOf, User Training for Automated Systems>
+<Document Processing Automation, improves_accuracy, Hyperautomation>
+<Error Handling in Automation, connectedTo, Document Processing Automation>
+<Error Handling in Automation, partOf, User Training for Automated Systems>
+<Finance Process Automation, connectedTo, Document Processing Automation>
+<Finance Process Automation, connectedTo, Workflow Analysis>
+<HR Process Automation, connectedTo, API Automation>
+<HR Process Automation, partOf, Automation Opportunity Identification>
+<Hyperautomation, connectedTo, Business Process Management>
+<IT Operations Automation, connectedTo, API Automation>
+<IT Operations Automation, connectedTo, Optical Character Recognition for Automation>
+<IT Operations Automation, connectedTo, Performance Monitoring of Bots>
+<IT Operations Automation, connectedTo, Security for Automation Bots>
+<Integration with Existing Systems, connectedTo, HR Process Automation>
+<Integration with Existing Systems, partOf, Automation Opportunity Identification>
+<Intelligent Automation, connectedTo, Integration with Existing Systems>
+<Intelligent Automation, partOf, Automation Opportunity Identification>
+<Optical Character Recognition for Automation, connectedTo, API Automation>
+<Optical Character Recognition for Automation, connectedTo, Decision Automation>
+<Performance Monitoring of Bots, connectedTo, Automated Data Validation>
+<Performance Monitoring of Bots, connectedTo, Task Automation>
+<Process Mining, connectedTo, IT Operations Automation>
+<Return on Investment Calculation, connectedTo, Chatbot Integration>
+<Return on Investment Calculation, connectedTo, Finance Process Automation>
+<Security for Automation Bots, connectedTo, Performance Monitoring of Bots>
+<Task Automation, connectedTo, Report Generation Automation>
+<Workflow Analysis, connectedTo, Automated Testing>
+<Workflow Analysis, connectedTo, Chatbot Integration>
+<Workflow Analysis, errors_detects, Document Processing Automation>
diff --git a/test/plantuml/graph_hard/plantuml_337.puml b/test/plantuml/graph_hard/plantuml_337.puml
new file mode 100644
index 0000000000000000000000000000000000000000..841877c83dc9474cff3ce90e3e702c5c63c3d12c
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_337.puml
@@ -0,0 +1,83 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Six Sigma Methodologies" as Group0 #FBE9E7 {
+    frame "Product Testing" as nest0_0 #FFE0B2
+    rectangle "X_ray Inspection" as nest0_1 #CADEDE
+    artifact "Automated Optical Inspection" as nest0_2 #CADEDE
+}
+rectangle "Component Inspection" as Group1 #FCE4EC {
+    usecase "Quality Assurance" as nest1_0 #CADEDE
+    component "Root Cause Analysis" as nest1_1 #CADEDE
+    folder "Service Quality Management" as nest1_2 #ECCFF5
+    artifact "Supplier Quality Management" as nest1_3 #FFE0B2
+}
+cloud "Non_Conformance Management" as N0 #CADEDE
+artifact "Inspection Procedures" as N1 #FFE0B2
+cloud "Quality Planning" as N2 #CADEDE
+folder "Process Monitoring" as N3 #FFE0B2
+folder "Total Quality Management" as N4 #ECCFF5
+cloud "Measurement System Analysis" as N5 #FFE0B2
+artifact "Trend Analysis" as N6 #CADEDE
+database "Regulatory Compliance for Quality" as N7 #ECCFF5
+usecase "Continuous Improvement" as N8 #CADEDE
+node "Risk_Based Quality Control" as N9 #ECCFF5
+cloud "Supplier Audits" as N10 #FFE0B2
+artifact "Testing Methods" as N11 #FFE0B2
+artifact "Lean Principles in Quality" as N12 #CADEDE
+node "Food Safety Quality Control" as N13 #ECCFF5
+cloud "Quality Standards Development" as N14 #CADEDE
+folder "Statistical Process Control" as N15 #CADEDE
+circle " " as S0 #ECCFF5
+circle " " as S1 #CADEDE
+circle " " as S2 #CADEDE
+circle " " as M0 #ECCFF5
+circle " " as M1 #ECCFF5
+N0 -[#94C0C0]-> N1
+N1 ..[#94C0C0]..> N2
+N2 -[#94C0C0]-> N3
+N3 ..[#CD8FF2]..> N4
+N4 -[#94C0C0]-> N5
+N5 ..[#94C0C0]..> N6
+N6 ..[#CD8FF2]..> N7
+N7 ..[#CD8FF2]..> N8
+N8 ..[#FF9800]..> N9
+N9 -[#000000]-> N10
+N10 -[#CD8FF2]-> N11
+N11 ..[#94C0C0]..> N12
+N12 ..[#000000]..> N13
+N13 ..[#94C0C0]..> N14
+N14 ..[#FF9800]..> N15
+nest0_0 -[#FF9800]-> nest0_1
+nest0_1 -[#94C0C0]-> nest0_2 : personnel_trains
+N9 -[#000000]-> nest0_0
+nest0_2 ..[#FF9800]..> N15
+nest1_0 -[#FF9800]-> nest1_1
+nest1_1 -[#CD8FF2]-> nest1_2
+nest1_2 -[#CD8FF2]-> nest1_3
+N11 -[#94C0C0]-> nest1_0
+nest1_3 -[#FF9800]-> N3
+N3 -[#FF9800]-> S0
+S0 -[#CD8FF2]-> N12
+S0 ..[#94C0C0]..> N15
+N1 ..[#CD8FF2]..> S1
+S1 ..[#CD8FF2]..> N12
+S1 ..[#000000]..> N6 : advises
+S1 -[#FF9800]-> N11
+N0 ..[#94C0C0]..> S2
+S2 ..[#CD8FF2]..> N4
+S2 ..[#FF9800]..> N7
+S2 ..[#FF9800]..> N5
+S2 ..[#FF9800]..> N3
+N6 -[#000000]-> M0
+N3 -[#FF9800]-> M0
+N4 ..[#CD8FF2]..> M0
+N0 -[#CD8FF2]-> M0 : monitors
+M0 -[#CD8FF2]-> N8
+N4 ..[#94C0C0]..> M1
+N7 ..[#94C0C0]..> M1
+N12 ..[#FF9800]..> M1
+N8 ..[#000000]..> M1
+M1 -[#000000]-> N14
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_337.txt b/test/plantuml/graph_hard/plantuml_337.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2738993c8b266875f7918b8dac6901d90bd3b15a
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_337.txt
@@ -0,0 +1,48 @@
+<Automated Optical Inspection, connectedTo, Statistical Process Control>
+<Automated Optical Inspection, partOf, Six Sigma Methodologies>
+<Continuous Improvement, connectedTo, Quality Standards Development>
+<Continuous Improvement, connectedTo, Risk_Based Quality Control>
+<Food Safety Quality Control, connectedTo, Quality Standards Development>
+<Inspection Procedures, advises, Trend Analysis>
+<Inspection Procedures, connectedTo, Lean Principles in Quality>
+<Inspection Procedures, connectedTo, Quality Planning>
+<Inspection Procedures, connectedTo, Testing Methods>
+<Lean Principles in Quality, connectedTo, Food Safety Quality Control>
+<Lean Principles in Quality, connectedTo, Quality Standards Development>
+<Measurement System Analysis, connectedTo, Trend Analysis>
+<Non_Conformance Management, connectedTo, Inspection Procedures>
+<Non_Conformance Management, connectedTo, Measurement System Analysis>
+<Non_Conformance Management, connectedTo, Process Monitoring>
+<Non_Conformance Management, connectedTo, Regulatory Compliance for Quality>
+<Non_Conformance Management, connectedTo, Total Quality Management>
+<Non_Conformance Management, monitors, Continuous Improvement>
+<Process Monitoring, connectedTo, Continuous Improvement>
+<Process Monitoring, connectedTo, Lean Principles in Quality>
+<Process Monitoring, connectedTo, Statistical Process Control>
+<Process Monitoring, connectedTo, Total Quality Management>
+<Product Testing, connectedTo, X_ray Inspection>
+<Product Testing, partOf, Six Sigma Methodologies>
+<Quality Assurance, connectedTo, Root Cause Analysis>
+<Quality Assurance, partOf, Component Inspection>
+<Quality Planning, connectedTo, Process Monitoring>
+<Quality Standards Development, connectedTo, Statistical Process Control>
+<Regulatory Compliance for Quality, connectedTo, Continuous Improvement>
+<Regulatory Compliance for Quality, connectedTo, Quality Standards Development>
+<Risk_Based Quality Control, connectedTo, Product Testing>
+<Risk_Based Quality Control, connectedTo, Supplier Audits>
+<Root Cause Analysis, connectedTo, Service Quality Management>
+<Root Cause Analysis, partOf, Component Inspection>
+<Service Quality Management, connectedTo, Supplier Quality Management>
+<Service Quality Management, partOf, Component Inspection>
+<Supplier Audits, connectedTo, Testing Methods>
+<Supplier Quality Management, connectedTo, Process Monitoring>
+<Supplier Quality Management, partOf, Component Inspection>
+<Testing Methods, connectedTo, Lean Principles in Quality>
+<Testing Methods, connectedTo, Quality Assurance>
+<Total Quality Management, connectedTo, Continuous Improvement>
+<Total Quality Management, connectedTo, Measurement System Analysis>
+<Total Quality Management, connectedTo, Quality Standards Development>
+<Trend Analysis, connectedTo, Continuous Improvement>
+<Trend Analysis, connectedTo, Regulatory Compliance for Quality>
+<X_ray Inspection, partOf, Six Sigma Methodologies>
+<X_ray Inspection, personnel_trains, Automated Optical Inspection>
diff --git a/test/plantuml/graph_hard/plantuml_338.puml b/test/plantuml/graph_hard/plantuml_338.puml
new file mode 100644
index 0000000000000000000000000000000000000000..760c23a2dcf9899e4fb0b48b24a25dd7c684aed4
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_338.puml
@@ -0,0 +1,67 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Regulatory Compliance for Quality" as Group0 #F1F8E9 {
+    database "Statistical Process Control" as nest0_0 #B3E5FC
+    folder "Supplier Quality Management" as nest0_1 #F1F8E9
+    folder "Quality Planning" as nest0_2 #B3E5FC
+}
+rectangle "Customer Feedback Analysis" as Group1 #FCE4EC {
+    rectangle "Metrology" as nest1_0 #F1F8E9
+    rectangle "Total Quality Management" as nest1_1 #F1F8E9
+}
+artifact "Calibration of Instruments" as N0 #B3E5FC
+frame "Root Cause Analysis" as N1 #B3E5FC
+cloud "Pharmaceutical Quality Control" as N2 #FFF9C4
+database "Software Quality Assurance" as N3 #FFF9C4
+usecase "Non_Conformance Management" as N4 #F1F8E9
+artifact "Product Testing" as N5 #B3E5FC
+usecase "Risk_Based Quality Control" as N6 #F1F8E9
+folder "Non_Destructive Testing" as N7 #F1F8E9
+usecase "Lean Principles in Quality" as N8 #F1F8E9
+folder "Food Safety Quality Control" as N9 #B3E5FC
+folder "Supplier Audits" as N10 #F1F8E9
+usecase "Measurement System Analysis" as N11 #FFF9C4
+database "Service Quality Management" as N12 #F1F8E9
+rectangle "Inspection Procedures" as N13 #F1F8E9
+circle " " as S0 #B3E5FC
+circle " " as S1 #FFF9C4
+circle " " as M0 #F1F8E9
+circle " " as M1 #F1F8E9
+N0 ..[#03A9F4]..> N1
+N1 ..[#03A9F4]..> N2 : innovates
+N2 -[#03A9F4]-> N3
+N3 -[#000000]-> N4
+N4 ..[#388E3C]..> N5
+N5 ..[#388E3C]..> N6
+N6 -[#03A9F4]-> N7 : efficiency_enhances
+N7 -[#FFEB3B]-> N8 : researches
+N8 ..[#000000]..> N9
+N9 ..[#03A9F4]..> N10 : processes_optimizes
+N10 -[#388E3C]-> N11
+N11 -[#000000]-> N12
+N12 ..[#03A9F4]..> N13
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 -[#388E3C]-> nest0_2
+N10 -[#03A9F4]-> nest0_0
+nest0_2 ..[#388E3C]..> N11 : root_causes_analyzes
+nest1_0 -[#FFEB3B]-> nest1_1
+N11 -[#388E3C]-> nest1_0
+nest1_1 ..[#FFEB3B]..> N12
+N8 ..[#03A9F4]..> S0
+S0 ..[#03A9F4]..> N12
+S0 -[#FFEB3B]-> N13
+N3 -[#03A9F4]-> S1
+S1 ..[#388E3C]..> N6
+S1 ..[#FFEB3B]..> N9
+S1 ..[#388E3C]..> N13 : personnel_trains
+N6 ..[#388E3C]..> M0
+N2 -[#03A9F4]-> M0
+N0 -[#000000]-> M0
+M0 ..[#FFEB3B]..> N8
+N6 ..[#03A9F4]..> M1
+N4 -[#FFEB3B]-> M1
+N7 -[#000000]-> M1 : develops
+M1 -[#FFEB3B]-> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_338.txt b/test/plantuml/graph_hard/plantuml_338.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4c60826fb306d4db73c47aedd9d28a2a00f13024
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_338.txt
@@ -0,0 +1,36 @@
+<Calibration of Instruments, connectedTo, Lean Principles in Quality>
+<Calibration of Instruments, connectedTo, Root Cause Analysis>
+<Food Safety Quality Control, processes_optimizes, Supplier Audits>
+<Lean Principles in Quality, connectedTo, Food Safety Quality Control>
+<Lean Principles in Quality, connectedTo, Inspection Procedures>
+<Lean Principles in Quality, connectedTo, Service Quality Management>
+<Measurement System Analysis, connectedTo, Metrology>
+<Measurement System Analysis, connectedTo, Service Quality Management>
+<Metrology, connectedTo, Total Quality Management>
+<Metrology, partOf, Customer Feedback Analysis>
+<Non_Conformance Management, connectedTo, Food Safety Quality Control>
+<Non_Conformance Management, connectedTo, Product Testing>
+<Non_Destructive Testing, develops, Food Safety Quality Control>
+<Non_Destructive Testing, researches, Lean Principles in Quality>
+<Pharmaceutical Quality Control, connectedTo, Lean Principles in Quality>
+<Pharmaceutical Quality Control, connectedTo, Software Quality Assurance>
+<Product Testing, connectedTo, Risk_Based Quality Control>
+<Quality Planning, partOf, Regulatory Compliance for Quality>
+<Quality Planning, root_causes_analyzes, Measurement System Analysis>
+<Risk_Based Quality Control, connectedTo, Food Safety Quality Control>
+<Risk_Based Quality Control, connectedTo, Lean Principles in Quality>
+<Risk_Based Quality Control, efficiency_enhances, Non_Destructive Testing>
+<Root Cause Analysis, innovates, Pharmaceutical Quality Control>
+<Service Quality Management, connectedTo, Inspection Procedures>
+<Software Quality Assurance, connectedTo, Food Safety Quality Control>
+<Software Quality Assurance, connectedTo, Non_Conformance Management>
+<Software Quality Assurance, connectedTo, Risk_Based Quality Control>
+<Software Quality Assurance, personnel_trains, Inspection Procedures>
+<Statistical Process Control, connectedTo, Supplier Quality Management>
+<Statistical Process Control, partOf, Regulatory Compliance for Quality>
+<Supplier Audits, connectedTo, Measurement System Analysis>
+<Supplier Audits, connectedTo, Statistical Process Control>
+<Supplier Quality Management, connectedTo, Quality Planning>
+<Supplier Quality Management, partOf, Regulatory Compliance for Quality>
+<Total Quality Management, connectedTo, Service Quality Management>
+<Total Quality Management, partOf, Customer Feedback Analysis>
diff --git a/test/plantuml/graph_hard/plantuml_339.puml b/test/plantuml/graph_hard/plantuml_339.puml
new file mode 100644
index 0000000000000000000000000000000000000000..2b686cfbd0223d177c2c3959b342be6df1ce88eb
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_339.puml
@@ -0,0 +1,76 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Total Quality Management" as Group0 #E0F2F1 {
+    cloud "Quality Assurance" as nest0_0 #F0F4C3
+    cloud "Lean Principles in Quality" as nest0_1 #F9FBE7
+    cloud "Process Monitoring" as nest0_2 #F0F4C3
+}
+rectangle "Risk_Based Quality Control" as Group1 #E3F2FD {
+    rectangle "Testing Methods" as nest1_0 #F9FBE7
+    component "Measurement System Analysis" as nest1_1 #F0F4C3
+    rectangle "Non_Destructive Testing" as nest1_2 #F9FBE7
+}
+folder "Quality Control Tools" as N0 #F0F4C3
+artifact "Supplier Quality Management" as N1 #F9FBE7
+usecase "Metrology" as N2 #F0F4C3
+usecase "Quality Data Analysis" as N3 #F0F4C3
+folder "Sampling Plans" as N4 #F0F4C3
+node "Software Quality Assurance" as N5 #C9F0F0
+cloud "Non_Conformance Management" as N6 #C9F0F0
+folder "Audit Planning" as N7 #F0F4C3
+artifact "Quality Planning" as N8 #F9FBE7
+frame "Service Quality Management" as N9 #C9F0F0
+cloud "Pharmaceutical Quality Control" as N10 #C9F0F0
+component "Defect Detection" as N11 #F0F4C3
+folder "Quality Standards Development" as N12 #F9FBE7
+database "Trend Analysis" as N13 #F0F4C3
+frame "Quality Management Systems" as N14 #F9FBE7
+folder "Food Safety Quality Control" as N15 #C9F0F0
+folder "Component Inspection" as N16 #F0F4C3
+circle " " as S0 #F0F4C3
+circle " " as S1 #F0F4C3
+circle " " as M0 #F9FBE7
+circle " " as M1 #F9FBE7
+circle " " as M2 #C9F0F0
+N0 -[#000000]-> N1
+N1 -[#000000]-> N2
+N2 ..[#000000]..> N3
+N3 ..[#AED581]..> N4
+N4 -[#C0CA33]-> N5
+N5 ..[#AED581]..> N6
+N6 ..[#4DD0E1]..> N7
+N7 -[#C0CA33]-> N8
+N8 -[#4DD0E1]-> N9
+N9 ..[#4DD0E1]..> N10
+N10 -[#4DD0E1]-> N11 : inspects
+N11 -[#4DD0E1]-> N12
+N12 ..[#4DD0E1]..> N13
+N13 -[#000000]-> N14
+N14 -[#000000]-> N15
+N15 -[#4DD0E1]-> N16
+nest0_0 ..[#4DD0E1]..> nest0_1
+nest0_1 -[#C0CA33]-> nest0_2 : innovates
+N6 -[#000000]-> nest0_0
+nest0_2 ..[#AED581]..> N10
+nest1_0 -[#C0CA33]-> nest1_1
+nest1_1 -[#4DD0E1]-> nest1_2 : preventive_actions_applies
+N14 ..[#AED581]..> nest1_0
+nest1_2 ..[#000000]..> N3 : corrective_actions_implements
+N11 ..[#C0CA33]..> S0
+S0 -[#4DD0E1]-> N13
+S0 -[#AED581]-> N16
+N13 ..[#000000]..> S1
+S1 -[#000000]-> N16
+S1 ..[#C0CA33]..> N15 : systems_controls
+N3 -[#C0CA33]-> M0
+N6 ..[#AED581]..> M0
+M0 ..[#000000]..> N8
+N3 ..[#4DD0E1]..> M1
+N0 -[#AED581]-> M1
+M1 ..[#AED581]..> N8
+N5 ..[#C0CA33]..> M2 : validates
+N0 ..[#4DD0E1]..> M2
+M2 -[#4DD0E1]-> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_339.txt b/test/plantuml/graph_hard/plantuml_339.txt
new file mode 100644
index 0000000000000000000000000000000000000000..183749a9fb3de456ba7e42081c6e6b32e4a4fc8f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_339.txt
@@ -0,0 +1,38 @@
+<Audit Planning, connectedTo, Quality Planning>
+<Defect Detection, connectedTo, Component Inspection>
+<Defect Detection, connectedTo, Quality Standards Development>
+<Defect Detection, connectedTo, Trend Analysis>
+<Food Safety Quality Control, connectedTo, Component Inspection>
+<Lean Principles in Quality, innovates, Process Monitoring>
+<Lean Principles in Quality, partOf, Total Quality Management>
+<Measurement System Analysis, partOf, Risk_Based Quality Control>
+<Measurement System Analysis, preventive_actions_applies, Non_Destructive Testing>
+<Metrology, connectedTo, Quality Data Analysis>
+<Non_Conformance Management, connectedTo, Audit Planning>
+<Non_Conformance Management, connectedTo, Quality Assurance>
+<Non_Conformance Management, connectedTo, Quality Planning>
+<Non_Destructive Testing, corrective_actions_implements, Quality Data Analysis>
+<Non_Destructive Testing, partOf, Risk_Based Quality Control>
+<Pharmaceutical Quality Control, inspects, Defect Detection>
+<Process Monitoring, connectedTo, Pharmaceutical Quality Control>
+<Process Monitoring, partOf, Total Quality Management>
+<Quality Assurance, connectedTo, Lean Principles in Quality>
+<Quality Assurance, partOf, Total Quality Management>
+<Quality Control Tools, connectedTo, Quality Planning>
+<Quality Control Tools, connectedTo, Supplier Quality Management>
+<Quality Data Analysis, connectedTo, Quality Planning>
+<Quality Data Analysis, connectedTo, Sampling Plans>
+<Quality Management Systems, connectedTo, Food Safety Quality Control>
+<Quality Management Systems, connectedTo, Testing Methods>
+<Quality Planning, connectedTo, Service Quality Management>
+<Quality Standards Development, connectedTo, Trend Analysis>
+<Sampling Plans, connectedTo, Software Quality Assurance>
+<Service Quality Management, connectedTo, Pharmaceutical Quality Control>
+<Software Quality Assurance, connectedTo, Non_Conformance Management>
+<Software Quality Assurance, validates, Quality Planning>
+<Supplier Quality Management, connectedTo, Metrology>
+<Testing Methods, connectedTo, Measurement System Analysis>
+<Testing Methods, partOf, Risk_Based Quality Control>
+<Trend Analysis, connectedTo, Component Inspection>
+<Trend Analysis, connectedTo, Quality Management Systems>
+<Trend Analysis, systems_controls, Food Safety Quality Control>
diff --git a/test/plantuml/graph_hard/plantuml_34.txt b/test/plantuml/graph_hard/plantuml_34.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b66d16163162f1e9c44fe80e570abbc2cce3edad
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_34.txt
@@ -0,0 +1,32 @@
+<Activity Booking, documents, Itinerary Planning>
+<Baggage Handling, connectedTo, Travel Advisory Updates>
+<Baggage Handling, partOf, Sightseeing Scheduling>
+<Booking Modification, connectedTo, Restaurant Reservation>
+<Booking Modification, connectedTo, Visa Application>
+<Booking Modification, reviews, Travel Insurance>
+<Feedback Collection, connectedTo, Baggage Handling>
+<Feedback Collection, connectedTo, Museum Visit>
+<Feedback Collection, shares, Restaurant Reservation>
+<Group Tour Coordination, connectedTo, Travel Blog Creation>
+<Itinerary Planning, connectedTo, Feedback Collection>
+<Language Translation Service, partOf, Concert Ticketing>
+<Language Translation Service, transports, Passport Renewal Assistance>
+<Loyalty Program Enrollment, connectedTo, Restaurant Reservation>
+<Museum Visit, connectedTo, Tour Guide Assignment>
+<Passport Renewal Assistance, connectedTo, Tour Guide Assignment>
+<Passport Renewal Assistance, partOf, Concert Ticketing>
+<Rental Car Pickup, connectedTo, Souvenir Shopping>
+<Rental Car Pickup, partOf, Sightseeing Scheduling>
+<Souvenir Shopping, connectedTo, Restaurant Reservation>
+<Souvenir Shopping, partOf, Sightseeing Scheduling>
+<Tour Guide Assignment, connectedTo, Booking Modification>
+<Tour Guide Assignment, connectedTo, Restaurant Reservation>
+<Tour Guide Assignment, connectedTo, Travel Insurance>
+<Travel Advisory Updates, connectedTo, Rental Car Pickup>
+<Travel Advisory Updates, partOf, Sightseeing Scheduling>
+<Travel Blog Creation, connectedTo, Activity Booking>
+<Travel Blog Creation, connectedTo, Booking Modification>
+<Travel Blog Creation, connectedTo, Feedback Collection>
+<Travel Insurance, connectedTo, Loyalty Program Enrollment>
+<Visa Application, connectedTo, Language Translation Service>
+<Visa Application, partOf, Concert Ticketing>
diff --git a/test/plantuml/graph_hard/plantuml_340.puml b/test/plantuml/graph_hard/plantuml_340.puml
new file mode 100644
index 0000000000000000000000000000000000000000..6f351c65529f763df0eb4eff4d7a228098d4b63b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_340.puml
@@ -0,0 +1,70 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Data Governance" as Group0 #EDE7F6 {
+    folder "Financial Management" as nest0_0 #EBEBEB
+    node "Troubleshooting and Support" as nest0_1 #F1F8E9
+}
+rectangle "Security Management" as Group1 #E8F5E9 {
+    folder "Compliance Reporting" as nest1_0 #FFFCE6
+    database "ERP System Selection" as nest1_1 #EBEBEB
+}
+node "System Configuration" as N0 #F1F8E9
+folder "AI or ML in ERP" as N1 #EBEBEB
+folder "Vendor Management" as N2 #FFFCE6
+component "User Access Management" as N3 #F1F8E9
+usecase "Implementation Roadmap Development" as N4 #F1F8E9
+component "User Acceptance Testing" as N5 #F1F8E9
+folder "System Upgrade" as N6 #F1F8E9
+artifact "Testing ERP Modules" as N7 #FFFCE6
+cloud "Manufacturing Operations" as N8 #F1F8E9
+component "Data Migration" as N9 #EBEBEB
+component "Project Management" as N10 #FFFCE6
+circle " " as S0 #FFFCE6
+circle " " as S1 #EBEBEB
+circle " " as S2 #EBEBEB
+circle " " as M0 #EBEBEB
+circle " " as M1 #FFFCE6
+circle " " as M2 #FFFCE6
+N0 ..[#388E3C]..> N1 : consults
+N1 -[#000000]-> N2
+N2 ..[#FFF9AE]..> N3
+N3 ..[#000000]..> N4
+N4 -[#FFF9AE]-> N5
+N5 -[#FFF9AE]-> N6 : cloud_deploys
+N6 ..[#000000]..> N7
+N7 -[#000000]-> N8
+N8 ..[#FFF9AE]..> N9
+N9 -[#E0E0E0]-> N10
+nest0_0 -[#388E3C]-> nest0_1
+N5 ..[#FFF9AE]..> nest0_0 : reports
+nest0_1 ..[#388E3C]..> N2 : on_premise_hosts
+nest1_0 ..[#388E3C]..> nest1_1
+N1 ..[#E0E0E0]..> nest1_0
+nest1_1 ..[#000000]..> N5
+N4 ..[#000000]..> S0
+S0 ..[#388E3C]..> N9
+S0 -[#FFF9AE]-> N8
+S0 ..[#FFF9AE]..> N6
+S0 ..[#000000]..> N10
+N1 ..[#E0E0E0]..> S1
+S1 -[#FFF9AE]-> N5
+S1 ..[#388E3C]..> N6
+N1 -[#388E3C]-> S2
+S2 ..[#388E3C]..> N10
+S2 -[#E0E0E0]-> N5
+S2 ..[#E0E0E0]..> N4
+S2 -[#388E3C]-> N9
+N0 ..[#388E3C]..> M0
+N1 ..[#E0E0E0]..> M0
+N3 -[#388E3C]-> M0
+N2 ..[#E0E0E0]..> M0
+M0 -[#000000]-> N6
+N1 ..[#388E3C]..> M1
+N0 ..[#388E3C]..> M1
+M1 ..[#000000]..> N3
+N2 ..[#388E3C]..> M2
+N3 ..[#FFF9AE]..> M2
+M2 -[#E0E0E0]-> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_340.txt b/test/plantuml/graph_hard/plantuml_340.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fcb64fe4857e6af7a5e706b9027d5755a0a59d19
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_340.txt
@@ -0,0 +1,36 @@
+<AI or ML in ERP, connectedTo, Compliance Reporting>
+<AI or ML in ERP, connectedTo, Data Migration>
+<AI or ML in ERP, connectedTo, Implementation Roadmap Development>
+<AI or ML in ERP, connectedTo, Project Management>
+<AI or ML in ERP, connectedTo, System Upgrade>
+<AI or ML in ERP, connectedTo, User Acceptance Testing>
+<AI or ML in ERP, connectedTo, User Access Management>
+<AI or ML in ERP, connectedTo, Vendor Management>
+<Compliance Reporting, connectedTo, ERP System Selection>
+<Compliance Reporting, partOf, Security Management>
+<Data Migration, connectedTo, Project Management>
+<ERP System Selection, connectedTo, User Acceptance Testing>
+<ERP System Selection, partOf, Security Management>
+<Financial Management, connectedTo, Troubleshooting and Support>
+<Financial Management, partOf, Data Governance>
+<Implementation Roadmap Development, connectedTo, Data Migration>
+<Implementation Roadmap Development, connectedTo, Manufacturing Operations>
+<Implementation Roadmap Development, connectedTo, Project Management>
+<Implementation Roadmap Development, connectedTo, System Upgrade>
+<Implementation Roadmap Development, connectedTo, User Acceptance Testing>
+<Manufacturing Operations, connectedTo, Data Migration>
+<System Configuration, connectedTo, System Upgrade>
+<System Configuration, connectedTo, User Access Management>
+<System Configuration, consults, AI or ML in ERP>
+<System Upgrade, connectedTo, Testing ERP Modules>
+<Testing ERP Modules, connectedTo, Manufacturing Operations>
+<Troubleshooting and Support, on_premise_hosts, Vendor Management>
+<Troubleshooting and Support, partOf, Data Governance>
+<User Acceptance Testing, cloud_deploys, System Upgrade>
+<User Acceptance Testing, reports, Financial Management>
+<User Access Management, connectedTo, Implementation Roadmap Development>
+<User Access Management, connectedTo, System Upgrade>
+<User Access Management, connectedTo, User Acceptance Testing>
+<Vendor Management, connectedTo, System Upgrade>
+<Vendor Management, connectedTo, User Acceptance Testing>
+<Vendor Management, connectedTo, User Access Management>
diff --git a/test/plantuml/graph_hard/plantuml_341.puml b/test/plantuml/graph_hard/plantuml_341.puml
new file mode 100644
index 0000000000000000000000000000000000000000..bbe0faf77ce56eb6b5e0230f269c802ad383de3a
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_341.puml
@@ -0,0 +1,65 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "ERP System Selection" as Group0 #E3F2FD {
+    database "Manufacturing Operations" as nest0_0 #E0E6E9
+    node "Procurement Management" as nest0_1 #E0E6E9
+    node "Troubleshooting and Support" as nest0_2 #B3E5FC
+}
+rectangle "Business Intelligence Integration" as Group1 #ECEFF1 {
+    node "Sales and Distribution" as nest1_0 #E0E6E9
+    frame "Asset Management" as nest1_1 #FFF0CC
+    folder "On_Premise ERP Solutions" as nest1_2 #FFF0CC
+}
+folder "Human Capital Management" as N0 #B3E5FC
+frame "Compliance Reporting" as N1 #FFF0CC
+folder "ERP Consulting" as N2 #E0E6E9
+usecase "Cloud ERP Deployment" as N3 #FFF0CC
+node "Reporting and Analytics" as N4 #B3E5FC
+rectangle "User Access Management" as N5 #FFF0CC
+component "System Configuration" as N6 #E0E6E9
+frame "Customization" as N7 #E0E6E9
+database "Master Data Management" as N8 #B3E5FC
+usecase "Vendor Management" as N9 #B3E5FC
+rectangle "Security Management" as N10 #FFF0CC
+rectangle "Data Migration" as N11 #B3E5FC
+component "Project Management" as N12 #E0E6E9
+artifact "Module Implementation" as N13 #E0E6E9
+circle " " as S0 #E0E6E9
+circle " " as S1 #FFF0CC
+circle " " as M0 #E0E6E9
+N0 -[#000000]-> N1
+N1 ..[#FFCC80]..> N2
+N2 -[#000000]-> N3
+N3 -[#03A9F4]-> N4
+N4 ..[#AABEC6]..> N5
+N5 -[#03A9F4]-> N6
+N6 -[#03A9F4]-> N7
+N7 ..[#AABEC6]..> N8
+N8 ..[#000000]..> N9
+N9 -[#000000]-> N10
+N10 -[#FFCC80]-> N11
+N11 -[#FFCC80]-> N12
+N12 ..[#AABEC6]..> N13
+nest0_0 ..[#FFCC80]..> nest0_1
+nest0_1 -[#03A9F4]-> nest0_2
+N3 -[#AABEC6]-> nest0_0 : forecasts
+nest0_2 -[#03A9F4]-> N5
+nest1_0 -[#AABEC6]-> nest1_1
+nest1_1 -[#FFCC80]-> nest1_2 : implements
+N4 -[#AABEC6]-> nest1_0
+nest1_2 -[#03A9F4]-> N11
+N1 -[#FFCC80]-> S0
+S0 ..[#AABEC6]..> N9
+S0 -[#000000]-> N13
+S0 ..[#FFCC80]..> N6
+N0 -[#AABEC6]-> S1
+S1 -[#AABEC6]-> N12 : supports
+S1 -[#AABEC6]-> N3 : tracks
+S1 ..[#FFCC80]..> N6
+N3 ..[#000000]..> M0
+N0 ..[#03A9F4]..> M0
+N2 -[#FFCC80]-> M0
+M0 -[#03A9F4]-> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_341.txt b/test/plantuml/graph_hard/plantuml_341.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7400f04334d9f95596967b79fcdcc35bfc8b4211
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_341.txt
@@ -0,0 +1,36 @@
+<Asset Management, implements, On_Premise ERP Solutions>
+<Asset Management, partOf, Business Intelligence Integration>
+<Cloud ERP Deployment, connectedTo, Master Data Management>
+<Cloud ERP Deployment, connectedTo, Reporting and Analytics>
+<Cloud ERP Deployment, forecasts, Manufacturing Operations>
+<Compliance Reporting, connectedTo, ERP Consulting>
+<Compliance Reporting, connectedTo, Module Implementation>
+<Compliance Reporting, connectedTo, System Configuration>
+<Compliance Reporting, connectedTo, Vendor Management>
+<Customization, connectedTo, Master Data Management>
+<Data Migration, connectedTo, Project Management>
+<ERP Consulting, connectedTo, Cloud ERP Deployment>
+<ERP Consulting, connectedTo, Master Data Management>
+<Human Capital Management, connectedTo, Compliance Reporting>
+<Human Capital Management, connectedTo, Master Data Management>
+<Human Capital Management, connectedTo, System Configuration>
+<Human Capital Management, supports, Project Management>
+<Human Capital Management, tracks, Cloud ERP Deployment>
+<Manufacturing Operations, connectedTo, Procurement Management>
+<Manufacturing Operations, partOf, ERP System Selection>
+<Master Data Management, connectedTo, Vendor Management>
+<On_Premise ERP Solutions, connectedTo, Data Migration>
+<On_Premise ERP Solutions, partOf, Business Intelligence Integration>
+<Procurement Management, connectedTo, Troubleshooting and Support>
+<Procurement Management, partOf, ERP System Selection>
+<Project Management, connectedTo, Module Implementation>
+<Reporting and Analytics, connectedTo, Sales and Distribution>
+<Reporting and Analytics, connectedTo, User Access Management>
+<Sales and Distribution, connectedTo, Asset Management>
+<Sales and Distribution, partOf, Business Intelligence Integration>
+<Security Management, connectedTo, Data Migration>
+<System Configuration, connectedTo, Customization>
+<Troubleshooting and Support, connectedTo, User Access Management>
+<Troubleshooting and Support, partOf, ERP System Selection>
+<User Access Management, connectedTo, System Configuration>
+<Vendor Management, connectedTo, Security Management>
diff --git a/test/plantuml/graph_hard/plantuml_342.puml b/test/plantuml/graph_hard/plantuml_342.puml
new file mode 100644
index 0000000000000000000000000000000000000000..8cea53bf1768fe0ec7d9a3ee3ff255053fa3ef4d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_342.puml
@@ -0,0 +1,83 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Sales and Distribution" as Group0 #F1F8E9 {
+    artifact "Troubleshooting and Support" as nest0_0 #B3E5FC
+    database "Asset Management" as nest0_1 #ECF0FD
+    rectangle "Workflow Automation in ERP" as nest0_2 #FFFDE0
+    cloud "Performance Optimization" as nest0_3 #FFFDE0
+}
+rectangle "Procurement Management" as Group1 #F3E5F5 {
+    node "AI or ML in ERP" as nest1_0 #FFFDE0
+    database "On_Premise ERP Solutions" as nest1_1 #B3E5FC
+}
+rectangle "Project Management" as N0 #B3E5FC
+usecase "Vendor Management" as N1 #FFFDE0
+artifact "Reporting and Analytics" as N2 #FFFDE0
+node "Security Management" as N3 #FFFDE0
+frame "Hybrid ERP Models" as N4 #B3E5FC
+component "Supply Chain Management" as N5 #B3E5FC
+component "Compliance Reporting" as N6 #ECF0FD
+usecase "ERP Consulting" as N7 #ECF0FD
+artifact "Data Migration" as N8 #FFFDE0
+artifact "User Training" as N9 #ECF0FD
+frame "Customer Relationship Management" as N10 #B3E5FC
+folder "ERP System Selection" as N11 #ECF0FD
+usecase "System Upgrade" as N12 #ECF0FD
+node "Implementation Roadmap Development" as N13 #FFFDE0
+cloud "Customization" as N14 #ECF0FD
+component "User Access Management" as N15 #ECF0FD
+database "Inventory Management" as N16 #FFFDE0
+artifact "Post_Go_Live Support" as N17 #ECF0FD
+circle " " as S0 #FFFDE0
+circle " " as S1 #ECF0FD
+circle " " as M0 #B3E5FC
+circle " " as M1 #FFFDE0
+circle " " as M2 #B3E5FC
+N0 ..[#000000]..> N1
+N1 -[#FFF8A6]-> N2
+N2 -[#B8C0F5]-> N3
+N3 ..[#03A9F4]..> N4
+N4 -[#B8C0F5]-> N5
+N5 -[#B8C0F5]-> N6
+N6 -[#03A9F4]-> N7
+N7 -[#03A9F4]-> N8 : audits
+N8 ..[#03A9F4]..> N9
+N9 ..[#B8C0F5]..> N10
+N10 -[#B8C0F5]-> N11
+N11 -[#000000]-> N12
+N12 ..[#FFF8A6]..> N13
+N13 -[#000000]-> N14
+N14 ..[#03A9F4]..> N15 : customizes
+N15 ..[#FFF8A6]..> N16
+N16 -[#B8C0F5]-> N17
+nest0_0 -[#03A9F4]-> nest0_1
+nest0_1 ..[#000000]..> nest0_2
+nest0_2 ..[#000000]..> nest0_3
+N12 ..[#000000]..> nest0_0
+nest0_3 -[#03A9F4]-> N2
+nest1_0 -[#03A9F4]-> nest1_1 : implements
+N13 ..[#000000]..> nest1_0
+nest1_1 -[#000000]-> N14
+N1 -[#03A9F4]-> S0
+S0 ..[#03A9F4]..> N14
+S0 ..[#FFF8A6]..> N10 : manages
+S0 -[#03A9F4]-> N13
+S0 ..[#B8C0F5]..> N5
+N8 -[#03A9F4]-> S1
+S1 -[#FFF8A6]-> N10
+S1 ..[#FFF8A6]..> N11
+S1 -[#000000]-> N13
+N0 -[#B8C0F5]-> M0
+N1 -[#B8C0F5]-> M0
+M0 -[#03A9F4]-> N3
+N3 ..[#000000]..> M1
+N1 ..[#B8C0F5]..> M1 : maintains
+M1 ..[#000000]..> N9
+N2 -[#B8C0F5]-> M2
+N3 ..[#03A9F4]..> M2
+N0 ..[#000000]..> M2
+N5 ..[#03A9F4]..> M2 : dashboards_generates
+M2 -[#000000]-> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_342.txt b/test/plantuml/graph_hard/plantuml_342.txt
new file mode 100644
index 0000000000000000000000000000000000000000..409b1ca8654ee93bfc155462163b5d36a7297594
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_342.txt
@@ -0,0 +1,46 @@
+<AI or ML in ERP, implements, On_Premise ERP Solutions>
+<AI or ML in ERP, partOf, Procurement Management>
+<Asset Management, connectedTo, Workflow Automation in ERP>
+<Asset Management, partOf, Sales and Distribution>
+<Compliance Reporting, connectedTo, ERP Consulting>
+<Customer Relationship Management, connectedTo, ERP System Selection>
+<Customization, customizes, User Access Management>
+<Data Migration, connectedTo, Customer Relationship Management>
+<Data Migration, connectedTo, ERP System Selection>
+<Data Migration, connectedTo, Implementation Roadmap Development>
+<Data Migration, connectedTo, User Training>
+<ERP Consulting, audits, Data Migration>
+<ERP System Selection, connectedTo, System Upgrade>
+<Hybrid ERP Models, connectedTo, Supply Chain Management>
+<Implementation Roadmap Development, connectedTo, AI or ML in ERP>
+<Implementation Roadmap Development, connectedTo, Customization>
+<Inventory Management, connectedTo, Post_Go_Live Support>
+<On_Premise ERP Solutions, connectedTo, Customization>
+<On_Premise ERP Solutions, partOf, Procurement Management>
+<Performance Optimization, connectedTo, Reporting and Analytics>
+<Performance Optimization, partOf, Sales and Distribution>
+<Project Management, connectedTo, Customer Relationship Management>
+<Project Management, connectedTo, Security Management>
+<Project Management, connectedTo, Vendor Management>
+<Reporting and Analytics, connectedTo, Customer Relationship Management>
+<Reporting and Analytics, connectedTo, Security Management>
+<Security Management, connectedTo, Customer Relationship Management>
+<Security Management, connectedTo, Hybrid ERP Models>
+<Security Management, connectedTo, User Training>
+<Supply Chain Management, connectedTo, Compliance Reporting>
+<Supply Chain Management, dashboards_generates, Customer Relationship Management>
+<System Upgrade, connectedTo, Implementation Roadmap Development>
+<System Upgrade, connectedTo, Troubleshooting and Support>
+<Troubleshooting and Support, connectedTo, Asset Management>
+<Troubleshooting and Support, partOf, Sales and Distribution>
+<User Access Management, connectedTo, Inventory Management>
+<User Training, connectedTo, Customer Relationship Management>
+<Vendor Management, connectedTo, Customization>
+<Vendor Management, connectedTo, Implementation Roadmap Development>
+<Vendor Management, connectedTo, Reporting and Analytics>
+<Vendor Management, connectedTo, Security Management>
+<Vendor Management, connectedTo, Supply Chain Management>
+<Vendor Management, maintains, User Training>
+<Vendor Management, manages, Customer Relationship Management>
+<Workflow Automation in ERP, connectedTo, Performance Optimization>
+<Workflow Automation in ERP, partOf, Sales and Distribution>
diff --git a/test/plantuml/graph_hard/plantuml_343.puml b/test/plantuml/graph_hard/plantuml_343.puml
new file mode 100644
index 0000000000000000000000000000000000000000..961f79f0d7789d43a80b70c796e15a7ee5060304
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_343.puml
@@ -0,0 +1,65 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Pest and Disease Management Systems" as Group0 #F3E5F5 {
+    artifact "Geographic Information Systems for Farms" as nest0_0 #B3E5FC
+    database "Blockchain for Agri_Supply Chain" as nest0_1 #FFECB3
+    artifact "Farm Labor Management Software" as nest0_2 #F3E5F5
+}
+rectangle "AI for Crop Disease Detection" as Group1 #FCE4EC {
+    node "Drone Monitoring" as nest1_0 #B3E5FC
+    rectangle "Supply Chain Traceability" as nest1_1 #F3E5F5
+}
+artifact "Sensor Deployment" as N0 #F3E5F5
+rectangle "Digital Soil Mapping" as N1 #B3E5FC
+usecase "IoT in Agriculture" as N2 #FFECB3
+artifact "Crop Health Monitoring" as N3 #F3E5F5
+cloud "Predictive Analytics for Harvest" as N4 #F3E5F5
+database "Carbon Farming Initiatives" as N5 #FFECB3
+usecase "Yield Mapping" as N6 #FFECB3
+rectangle "Connectivity Solutions" as N7 #B3E5FC
+folder "Sustainability Metrics Tracking" as N8 #B3E5FC
+database "Smart Livestock Monitoring" as N9 #F3E5F5
+rectangle "Farm Management Software" as N10 #FFECB3
+database "Precision Farming" as N11 #B3E5FC
+node "Variable Rate Application" as N12 #B3E5FC
+component "Farm Robotics" as N13 #B3E5FC
+circle " " as S0 #FFECB3
+circle " " as S1 #FFECB3
+circle " " as M0 #F3E5F5
+circle " " as M1 #F3E5F5
+N0 -[#BA68C8]-> N1 : waste_reduces
+N1 ..[#FFC107]..> N2
+N2 -[#000000]-> N3
+N3 ..[#BA68C8]..> N4
+N4 -[#03A9F4]-> N5
+N5 -[#000000]-> N6
+N6 ..[#000000]..> N7 : visualizes
+N7 ..[#000000]..> N8
+N8 ..[#03A9F4]..> N9 : manages
+N9 -[#FFC107]-> N10
+N10 -[#FFC107]-> N11
+N11 ..[#000000]..> N12
+N12 ..[#FFC107]..> N13 : fertilizes
+nest0_0 ..[#FFC107]..> nest0_1
+nest0_1 -[#FFC107]-> nest0_2
+N9 -[#000000]-> nest0_0
+nest0_2 ..[#BA68C8]..> N13
+nest1_0 -[#000000]-> nest1_1
+N11 -[#FFC107]-> nest1_0
+nest1_1 ..[#03A9F4]..> N4 : machine_learning_uses
+N10 ..[#FFC107]..> S0
+S0 -[#FFC107]-> N13
+S0 ..[#000000]..> N12
+N0 -[#000000]-> S1
+S1 ..[#FFC107]..> N11
+S1 ..[#BA68C8]..> N5 : analyzes_data
+N5 ..[#000000]..> M0
+N8 ..[#FFC107]..> M0
+N6 ..[#03A9F4]..> M0
+M0 -[#BA68C8]-> N11
+N0 -[#000000]-> M1
+N4 -[#FFC107]-> M1
+M1 -[#BA68C8]-> N11
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_343.txt b/test/plantuml/graph_hard/plantuml_343.txt
new file mode 100644
index 0000000000000000000000000000000000000000..385f45cf9c153897a76bf14058d45c2add010893
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_343.txt
@@ -0,0 +1,33 @@
+<Blockchain for Agri_Supply Chain, connectedTo, Farm Labor Management Software>
+<Blockchain for Agri_Supply Chain, partOf, Pest and Disease Management Systems>
+<Carbon Farming Initiatives, connectedTo, Precision Farming>
+<Carbon Farming Initiatives, connectedTo, Yield Mapping>
+<Connectivity Solutions, connectedTo, Sustainability Metrics Tracking>
+<Crop Health Monitoring, connectedTo, Predictive Analytics for Harvest>
+<Digital Soil Mapping, connectedTo, IoT in Agriculture>
+<Drone Monitoring, connectedTo, Supply Chain Traceability>
+<Drone Monitoring, partOf, AI for Crop Disease Detection>
+<Farm Labor Management Software, connectedTo, Farm Robotics>
+<Farm Labor Management Software, partOf, Pest and Disease Management Systems>
+<Farm Management Software, connectedTo, Farm Robotics>
+<Farm Management Software, connectedTo, Precision Farming>
+<Farm Management Software, connectedTo, Variable Rate Application>
+<Geographic Information Systems for Farms, connectedTo, Blockchain for Agri_Supply Chain>
+<Geographic Information Systems for Farms, partOf, Pest and Disease Management Systems>
+<IoT in Agriculture, connectedTo, Crop Health Monitoring>
+<Precision Farming, connectedTo, Drone Monitoring>
+<Precision Farming, connectedTo, Variable Rate Application>
+<Predictive Analytics for Harvest, connectedTo, Carbon Farming Initiatives>
+<Predictive Analytics for Harvest, connectedTo, Precision Farming>
+<Sensor Deployment, analyzes_data, Carbon Farming Initiatives>
+<Sensor Deployment, connectedTo, Precision Farming>
+<Sensor Deployment, waste_reduces, Digital Soil Mapping>
+<Smart Livestock Monitoring, connectedTo, Farm Management Software>
+<Smart Livestock Monitoring, connectedTo, Geographic Information Systems for Farms>
+<Supply Chain Traceability, machine_learning_uses, Predictive Analytics for Harvest>
+<Supply Chain Traceability, partOf, AI for Crop Disease Detection>
+<Sustainability Metrics Tracking, connectedTo, Precision Farming>
+<Sustainability Metrics Tracking, manages, Smart Livestock Monitoring>
+<Variable Rate Application, fertilizes, Farm Robotics>
+<Yield Mapping, connectedTo, Precision Farming>
+<Yield Mapping, visualizes, Connectivity Solutions>
diff --git a/test/plantuml/graph_hard/plantuml_344.puml b/test/plantuml/graph_hard/plantuml_344.puml
new file mode 100644
index 0000000000000000000000000000000000000000..39927e3d0268ffd3fda1e4a447885f8aececce15
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_344.puml
@@ -0,0 +1,63 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Farm Robotics" as Group0 #ECEFF1 {
+    folder "Big Data Analytics for Farms" as nest0_0 #E8F0EA
+    usecase "Decision Support Systems for Farmers" as nest0_1 #EDF5F3
+    usecase "Automated Irrigation" as nest0_2 #EDF5F3
+}
+rectangle "Farm Data Integration" as Group1 #E0F2F1 {
+    node "Variable Rate Application" as nest1_0 #E8F0EA
+    component "Aquaculture Monitoring" as nest1_1 #EDF5F3
+    folder "Herd Health Monitoring" as nest1_2 #E8F0EA
+}
+component "Digital Soil Mapping" as N0 #EDF5F3
+folder "Satellite Imaging" as N1 #E8F0EA
+artifact "Data Security in Agriculture" as N2 #EDF5F3
+folder "Blockchain for Agri_Supply Chain" as N3 #C8E6C9
+artifact "Drone Monitoring" as N4 #C8E6C9
+node "Crop Insurance Assessment" as N5 #EDF5F3
+frame "Weather Station Data Integration" as N6 #EDF5F3
+cloud "IoT in Agriculture" as N7 #E8F0EA
+database "Sensor Deployment" as N8 #E8F0EA
+component "Smart Livestock Monitoring" as N9 #EDF5F3
+circle " " as S0 #C8E6C9
+circle " " as S1 #C8E6C9
+circle " " as S2 #EDF5F3
+circle " " as M0 #EDF5F3
+circle " " as M1 #E8F0EA
+N0 -[#000000]-> N1
+N1 ..[#000000]..> N2
+N2 -[#92C79A]-> N3
+N3 ..[#92C79A]..> N4
+N4 ..[#000000]..> N5
+N5 ..[#4CAF50]..> N6
+N6 ..[#A1D7CD]..> N7
+N7 -[#4CAF50]-> N8
+N8 ..[#4CAF50]..> N9
+nest0_0 ..[#92C79A]..> nest0_1
+nest0_1 ..[#000000]..> nest0_2
+N5 -[#A1D7CD]-> nest0_0
+nest0_2 ..[#92C79A]..> N2
+nest1_0 ..[#4CAF50]..> nest1_1
+nest1_1 ..[#4CAF50]..> nest1_2
+N2 -[#92C79A]-> nest1_0 : satellites_leverages
+nest1_2 -[#000000]-> N1
+N6 -[#92C79A]-> S0
+S0 -[#4CAF50]-> N9
+S0 ..[#4CAF50]..> N8
+N6 ..[#92C79A]..> S1
+S1 ..[#A1D7CD]..> N8
+S1 ..[#4CAF50]..> N9
+N4 ..[#000000]..> S2
+S2 ..[#A1D7CD]..> N8
+S2 ..[#000000]..> N9
+S2 ..[#A1D7CD]..> N7
+N3 -[#92C79A]-> M0
+N2 ..[#92C79A]..> M0
+M0 -[#000000]-> N5
+N0 -[#4CAF50]-> M1
+N1 -[#92C79A]-> M1
+M1 ..[#A1D7CD]..> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_344.txt b/test/plantuml/graph_hard/plantuml_344.txt
new file mode 100644
index 0000000000000000000000000000000000000000..70731d686526efb8d5ec94e82d21b989c9dcd831
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_344.txt
@@ -0,0 +1,32 @@
+<Aquaculture Monitoring, connectedTo, Herd Health Monitoring>
+<Aquaculture Monitoring, partOf, Farm Data Integration>
+<Automated Irrigation, connectedTo, Data Security in Agriculture>
+<Automated Irrigation, partOf, Farm Robotics>
+<Big Data Analytics for Farms, connectedTo, Decision Support Systems for Farmers>
+<Big Data Analytics for Farms, partOf, Farm Robotics>
+<Blockchain for Agri_Supply Chain, connectedTo, Crop Insurance Assessment>
+<Blockchain for Agri_Supply Chain, connectedTo, Drone Monitoring>
+<Crop Insurance Assessment, connectedTo, Big Data Analytics for Farms>
+<Crop Insurance Assessment, connectedTo, Weather Station Data Integration>
+<Data Security in Agriculture, connectedTo, Blockchain for Agri_Supply Chain>
+<Data Security in Agriculture, connectedTo, Crop Insurance Assessment>
+<Data Security in Agriculture, satellites_leverages, Variable Rate Application>
+<Decision Support Systems for Farmers, connectedTo, Automated Irrigation>
+<Decision Support Systems for Farmers, partOf, Farm Robotics>
+<Digital Soil Mapping, connectedTo, Blockchain for Agri_Supply Chain>
+<Digital Soil Mapping, connectedTo, Satellite Imaging>
+<Drone Monitoring, connectedTo, Crop Insurance Assessment>
+<Drone Monitoring, connectedTo, IoT in Agriculture>
+<Drone Monitoring, connectedTo, Sensor Deployment>
+<Drone Monitoring, connectedTo, Smart Livestock Monitoring>
+<Herd Health Monitoring, connectedTo, Satellite Imaging>
+<Herd Health Monitoring, partOf, Farm Data Integration>
+<IoT in Agriculture, connectedTo, Sensor Deployment>
+<Satellite Imaging, connectedTo, Blockchain for Agri_Supply Chain>
+<Satellite Imaging, connectedTo, Data Security in Agriculture>
+<Sensor Deployment, connectedTo, Smart Livestock Monitoring>
+<Variable Rate Application, connectedTo, Aquaculture Monitoring>
+<Variable Rate Application, partOf, Farm Data Integration>
+<Weather Station Data Integration, connectedTo, IoT in Agriculture>
+<Weather Station Data Integration, connectedTo, Sensor Deployment>
+<Weather Station Data Integration, connectedTo, Smart Livestock Monitoring>
diff --git a/test/plantuml/graph_hard/plantuml_345.puml b/test/plantuml/graph_hard/plantuml_345.puml
new file mode 100644
index 0000000000000000000000000000000000000000..3387d4a731242e54bceddc00a1c6909e7c2f2a6c
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_345.puml
@@ -0,0 +1,74 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Decision Support Systems for Farmers" as Group0 #ECEFF1 {
+    artifact "Aquaculture Monitoring" as nest0_0 #EDE7F6
+    folder "Precision Farming" as nest0_1 #EDE7F6
+    node "AI for Crop Disease Detection" as nest0_2 #EDE7F6
+    cloud "Smart Greenhouses" as nest0_3 #F3E5F5
+}
+rectangle "Crop Insurance Assessment" as Group1 #E0F2F1 {
+    folder "Sustainability Metrics Tracking" as nest1_0 #F3E5F5
+    artifact "Connectivity Solutions" as nest1_1 #EDE7F6
+}
+artifact "Farm Data Integration" as N0 #C5CAE9
+database "IoT in Agriculture" as N1 #F3E5F5
+cloud "Big Data Analytics for Farms" as N2 #F3E5F5
+folder "Livestock Feeding Automation" as N3 #C5CAE9
+database "Sensor Deployment" as N4 #C5CAE9
+artifact "Weather Station Data Integration" as N5 #C5CAE9
+folder "Automated Farm Machinery" as N6 #C5CAE9
+database "Predictive Analytics for Harvest" as N7 #EDE7F6
+database "Farm Labor Management Software" as N8 #F3E5F5
+node "Crop Health Monitoring" as N9 #C5CAE9
+database "Herd Health Monitoring" as N10 #C5CAE9
+folder "Farm Management Software" as N11 #F3E5F5
+component "Satellite Imaging" as N12 #C5CAE9
+cloud "Data Security in Agriculture" as N13 #F3E5F5
+database "Smart Livestock Monitoring" as N14 #F3E5F5
+component "Vertical Farming Technology" as N15 #F3E5F5
+circle " " as S0 #C5CAE9
+circle " " as S1 #F3E5F5
+circle " " as M1 #F3E5F5
+circle " " as M2 #F3E5F5
+N0 -[#3F51B5]-> N1
+N1 ..[#000000]..> N2
+N2 ..[#000000]..> N3
+N3 ..[#BA68C8]..> N4
+N4 ..[#000000]..> N5 : soil_tests
+N5 ..[#9575CD]..> N6
+N6 ..[#BA68C8]..> N7
+N7 -[#9575CD]-> N8
+N8 ..[#BA68C8]..> N9
+N9 -[#9575CD]-> N10 : livestock_raises
+N10 -[#9575CD]-> N11
+N11 ..[#BA68C8]..> N12
+N12 ..[#3F51B5]..> N13
+N13 -[#3F51B5]-> N14
+N14 ..[#BA68C8]..> N15
+nest0_0 -[#9575CD]-> nest0_1
+nest0_1 -[#000000]-> nest0_2
+nest0_2 -[#3F51B5]-> nest0_3
+N3 ..[#3F51B5]..> nest0_0
+nest0_3 ..[#BA68C8]..> N1 : manages_irrigation
+nest1_0 ..[#000000]..> nest1_1
+N11 -[#000000]-> nest1_0
+nest1_1 -[#9575CD]-> N11 : feeds
+N3 -[#BA68C8]-> S0
+S0 -[#000000]-> N14
+S0 ..[#3F51B5]..> N12
+S0 -[#000000]-> N13
+S0 ..[#9575CD]..> N15
+N8 -[#3F51B5]-> S1
+S1 -[#3F51B5]-> N14
+S1 -[#3F51B5]-> N15
+N6 -[#BA68C8]-> M1
+N0 -[#BA68C8]-> M1 : reports
+N4 -[#000000]-> M1 : collects_data
+N3 -[#3F51B5]-> M1 : resource_efficiency_improves
+M1 -[#3F51B5]-> N8
+N1 ..[#9575CD]..> M2
+N0 -[#9575CD]-> M2
+M2 -[#9575CD]-> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_345.txt b/test/plantuml/graph_hard/plantuml_345.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3b1f80ebded87bbee4a7baae13aaef2f60972c26
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_345.txt
@@ -0,0 +1,41 @@
+<AI for Crop Disease Detection, connectedTo, Smart Greenhouses>
+<AI for Crop Disease Detection, partOf, Decision Support Systems for Farmers>
+<Aquaculture Monitoring, connectedTo, Precision Farming>
+<Aquaculture Monitoring, partOf, Decision Support Systems for Farmers>
+<Automated Farm Machinery, connectedTo, Farm Labor Management Software>
+<Automated Farm Machinery, connectedTo, Predictive Analytics for Harvest>
+<Big Data Analytics for Farms, connectedTo, Livestock Feeding Automation>
+<Connectivity Solutions, feeds, Farm Management Software>
+<Connectivity Solutions, partOf, Crop Insurance Assessment>
+<Crop Health Monitoring, livestock_raises, Herd Health Monitoring>
+<Data Security in Agriculture, connectedTo, Smart Livestock Monitoring>
+<Farm Data Integration, connectedTo, IoT in Agriculture>
+<Farm Data Integration, connectedTo, Livestock Feeding Automation>
+<Farm Data Integration, reports, Farm Labor Management Software>
+<Farm Labor Management Software, connectedTo, Crop Health Monitoring>
+<Farm Labor Management Software, connectedTo, Smart Livestock Monitoring>
+<Farm Labor Management Software, connectedTo, Vertical Farming Technology>
+<Farm Management Software, connectedTo, Satellite Imaging>
+<Farm Management Software, connectedTo, Sustainability Metrics Tracking>
+<Herd Health Monitoring, connectedTo, Farm Management Software>
+<IoT in Agriculture, connectedTo, Big Data Analytics for Farms>
+<IoT in Agriculture, connectedTo, Livestock Feeding Automation>
+<Livestock Feeding Automation, connectedTo, Aquaculture Monitoring>
+<Livestock Feeding Automation, connectedTo, Data Security in Agriculture>
+<Livestock Feeding Automation, connectedTo, Satellite Imaging>
+<Livestock Feeding Automation, connectedTo, Sensor Deployment>
+<Livestock Feeding Automation, connectedTo, Smart Livestock Monitoring>
+<Livestock Feeding Automation, connectedTo, Vertical Farming Technology>
+<Livestock Feeding Automation, resource_efficiency_improves, Farm Labor Management Software>
+<Precision Farming, connectedTo, AI for Crop Disease Detection>
+<Precision Farming, partOf, Decision Support Systems for Farmers>
+<Predictive Analytics for Harvest, connectedTo, Farm Labor Management Software>
+<Satellite Imaging, connectedTo, Data Security in Agriculture>
+<Sensor Deployment, collects_data, Farm Labor Management Software>
+<Sensor Deployment, soil_tests, Weather Station Data Integration>
+<Smart Greenhouses, manages_irrigation, IoT in Agriculture>
+<Smart Greenhouses, partOf, Decision Support Systems for Farmers>
+<Smart Livestock Monitoring, connectedTo, Vertical Farming Technology>
+<Sustainability Metrics Tracking, connectedTo, Connectivity Solutions>
+<Sustainability Metrics Tracking, partOf, Crop Insurance Assessment>
+<Weather Station Data Integration, connectedTo, Automated Farm Machinery>
diff --git a/test/plantuml/graph_hard/plantuml_346.puml b/test/plantuml/graph_hard/plantuml_346.puml
new file mode 100644
index 0000000000000000000000000000000000000000..47e0301a5b33b695c8a07e3dc83d94f8d91a3653
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_346.puml
@@ -0,0 +1,79 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Esports Team Ownership" as Group0 #FFF3E0 {
+    rectangle "Network Infrastructure for Tournaments" as nest0_0 #FBE9E7
+    frame "League Management" as nest0_1 #FFF8E1
+    node "Audience Engagement" as nest0_2 #FFF8E1
+}
+rectangle "Broadcast Technology for Esports" as Group1 #FCE4EC {
+    folder "Mental Health Support for Players" as nest1_0 #DFE7EB
+    folder "Content Creation" as nest1_1 #DFE7EB
+    folder "Talent Representation" as nest1_2 #FFF8E1
+    cloud "Gaming Hardware Optimization" as nest1_3 #FFF8E1
+}
+folder "Live Streaming Production" as N0 #DFE7EB
+component "Event Broadcasting" as N1 #FFF8E1
+node "Brand Partnerships" as N2 #FFF8E1
+folder "Rules and Regulations Enforcement" as N3 #DFE7EB
+node "Player Scouting" as N4 #DFE7EB
+folder "Fan Community Building" as N5 #FFF8E1
+frame "Ticketing Sales" as N6 #FBE9E7
+folder "Prize Pool Management" as N7 #FFF8E1
+artifact "Coaching Staff Management" as N8 #FBE9E7
+folder "Game Server Management" as N9 #DFE7EB
+node "Media Rights Negotiation" as N10 #DFE7EB
+component "Player Contracts" as N11 #FFF8E1
+folder "Performance Analysis" as N12 #FFF8E1
+rectangle "Game Strategy Development" as N13 #FBE9E7
+node "Merchandise Sales" as N14 #DFE7EB
+circle " " as S0 #FFF8E1
+circle " " as S1 #FFF8E1
+circle " " as S2 #DFE7EB
+circle " " as M0 #FFF8E1
+circle " " as M1 #FFF8E1
+circle " " as M2 #DFE7EB
+N0 -[#000000]-> N1
+N1 ..[#FFD54F]..> N2
+N2 ..[#000000]..> N3
+N3 ..[#FFD54F]..> N4
+N4 -[#FFD54F]-> N5
+N5 -[#B0C5CD]-> N6
+N6 ..[#B0C5CD]..> N7
+N7 ..[#FF8A65]..> N8
+N8 ..[#FF8A65]..> N9
+N9 ..[#FFD54F]..> N10
+N10 -[#FF8A65]-> N11
+N11 ..[#FFD54F]..> N12
+N12 ..[#FF8A65]..> N13
+N13 -[#000000]-> N14
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 ..[#B0C5CD]..> nest0_2
+N2 -[#FFD54F]-> nest0_0
+nest0_2 -[#FF8A65]-> N12
+nest1_0 -[#B0C5CD]-> nest1_1
+nest1_1 ..[#FFD54F]..> nest1_2
+nest1_2 ..[#FFD54F]..> nest1_3
+N3 -[#FF8A65]-> nest1_0
+nest1_3 ..[#FF8A65]..> N7
+N10 ..[#FFD54F]..> S0
+S0 -[#000000]-> N14 : rules_enforces
+S0 -[#FF8A65]-> N13
+S0 ..[#FF8A65]..> N12
+N8 ..[#B0C5CD]..> S1
+S1 -[#FFD54F]-> N14
+S1 ..[#B0C5CD]..> N13
+N4 ..[#B0C5CD]..> S2
+S2 -[#FFD54F]-> N12
+S2 ..[#000000]..> N9
+N1 ..[#000000]..> M0
+N11 ..[#FFD54F]..> M0
+M0 -[#FFD54F]-> N14
+N2 -[#FF8A65]-> M1
+N6 ..[#B0C5CD]..> M1
+M1 ..[#FFD54F]..> N10
+N1 -[#FFD54F]-> M2
+N0 -[#FFD54F]-> M2
+M2 -[#B0C5CD]-> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_347.puml b/test/plantuml/graph_hard/plantuml_347.puml
new file mode 100644
index 0000000000000000000000000000000000000000..7e535b7cf4caecfb65cdd7c778623b571c89a4b3
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_347.puml
@@ -0,0 +1,75 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Training Regimen" as Group0 #FFF3E0 {
+    usecase "Network Infrastructure for Tournaments" as nest0_0 #E8EAF6
+    node "Coaching Staff Management" as nest0_1 #EDE7F6
+    rectangle "Anti_Cheat Measures" as nest0_2 #B3E5FC
+}
+rectangle "Social Media Management" as Group1 #ECEFF1 {
+    artifact "Merchandise Sales" as nest1_0 #E8EAF6
+    usecase "Media Rights Negotiation" as nest1_1 #B3E5FC
+    usecase "Player Scouting" as nest1_2 #E8EAF6
+    folder "Esports Education Programs" as nest1_3 #B3E5FC
+}
+artifact "Broadcast Technology for Esports" as N0 #E8EAF6
+artifact "Brand Partnerships" as N1 #E8EAF6
+folder "Game Server Management" as N2 #B3E5FC
+artifact "Game Strategy Development" as N3 #B3E5FC
+rectangle "Nutrition for Esports Athletes" as N4 #B3E5FC
+frame "League Management" as N5 #B3E5FC
+node "Gambling and Betting Regulation" as N6 #B3E5FC
+database "Audience Engagement" as N7 #B3E5FC
+database "Legal Advisory for Esports" as N8 #B3E5FC
+usecase "Live Streaming Production" as N9 #E8EAF6
+node "Sponsorship Acquisition" as N10 #EDE7F6
+component "Game Publisher Relations" as N11 #EDE7F6
+folder "Esports Team Ownership" as N12 #EDE7F6
+circle " " as S0 #B3E5FC
+circle " " as S1 #E8EAF6
+circle " " as S2 #E8EAF6
+circle " " as M0 #E8EAF6
+circle " " as M1 #EDE7F6
+N0 ..[#7986CB]..> N1
+N1 ..[#7E57C2]..> N2
+N2 -[#03A9F4]-> N3
+N3 ..[#7986CB]..> N4
+N4 -[#000000]-> N5
+N5 -[#7986CB]-> N6
+N6 ..[#7986CB]..> N7
+N7 -[#7986CB]-> N8
+N8 -[#7E57C2]-> N9
+N9 -[#000000]-> N10
+N10 -[#7986CB]-> N11
+N11 ..[#03A9F4]..> N12
+nest0_0 -[#7E57C2]-> nest0_1
+nest0_1 -[#03A9F4]-> nest0_2
+N4 -[#7986CB]-> nest0_0
+nest0_2 ..[#000000]..> N7
+nest1_0 ..[#7986CB]..> nest1_1
+nest1_1 ..[#03A9F4]..> nest1_2
+nest1_2 ..[#7986CB]..> nest1_3
+N10 -[#7E57C2]-> nest1_0
+nest1_3 ..[#7986CB]..> N3
+N3 -[#7E57C2]-> S0
+S0 ..[#7986CB]..> N12
+S0 ..[#03A9F4]..> N5
+S0 ..[#03A9F4]..> N8
+N0 ..[#000000]..> S1
+S1 -[#7986CB]-> N4
+S1 ..[#000000]..> N2
+S1 ..[#7986CB]..> N9
+N9 ..[#7986CB]..> S2
+S2 ..[#7986CB]..> N12
+S2 ..[#000000]..> N11
+N3 -[#7E57C2]-> M0
+N4 ..[#7986CB]..> M0
+N1 -[#000000]-> M0
+N2 ..[#7E57C2]..> M0
+M0 -[#000000]-> N7
+N2 -[#000000]-> M1
+N1 ..[#7986CB]..> M1
+N7 -[#03A9F4]-> M1
+M1 ..[#03A9F4]..> N12
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_347.txt b/test/plantuml/graph_hard/plantuml_347.txt
new file mode 100644
index 0000000000000000000000000000000000000000..43a9f6ee3d5b027fbf7125324e76b33e77983046
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_347.txt
@@ -0,0 +1,43 @@
+<Anti_Cheat Measures, connectedTo, Audience Engagement>
+<Anti_Cheat Measures, partOf, Training Regimen>
+<Audience Engagement, connectedTo, Esports Team Ownership>
+<Audience Engagement, connectedTo, Legal Advisory for Esports>
+<Brand Partnerships, connectedTo, Audience Engagement>
+<Brand Partnerships, connectedTo, Esports Team Ownership>
+<Brand Partnerships, connectedTo, Game Server Management>
+<Broadcast Technology for Esports, connectedTo, Brand Partnerships>
+<Broadcast Technology for Esports, connectedTo, Game Server Management>
+<Broadcast Technology for Esports, connectedTo, Live Streaming Production>
+<Broadcast Technology for Esports, connectedTo, Nutrition for Esports Athletes>
+<Coaching Staff Management, connectedTo, Anti_Cheat Measures>
+<Coaching Staff Management, partOf, Training Regimen>
+<Esports Education Programs, connectedTo, Game Strategy Development>
+<Esports Education Programs, partOf, Social Media Management>
+<Gambling and Betting Regulation, connectedTo, Audience Engagement>
+<Game Publisher Relations, connectedTo, Esports Team Ownership>
+<Game Server Management, connectedTo, Audience Engagement>
+<Game Server Management, connectedTo, Esports Team Ownership>
+<Game Server Management, connectedTo, Game Strategy Development>
+<Game Strategy Development, connectedTo, Audience Engagement>
+<Game Strategy Development, connectedTo, Esports Team Ownership>
+<Game Strategy Development, connectedTo, League Management>
+<Game Strategy Development, connectedTo, Legal Advisory for Esports>
+<Game Strategy Development, connectedTo, Nutrition for Esports Athletes>
+<League Management, connectedTo, Gambling and Betting Regulation>
+<Legal Advisory for Esports, connectedTo, Live Streaming Production>
+<Live Streaming Production, connectedTo, Esports Team Ownership>
+<Live Streaming Production, connectedTo, Game Publisher Relations>
+<Live Streaming Production, connectedTo, Sponsorship Acquisition>
+<Media Rights Negotiation, connectedTo, Player Scouting>
+<Media Rights Negotiation, partOf, Social Media Management>
+<Merchandise Sales, connectedTo, Media Rights Negotiation>
+<Merchandise Sales, partOf, Social Media Management>
+<Network Infrastructure for Tournaments, connectedTo, Coaching Staff Management>
+<Network Infrastructure for Tournaments, partOf, Training Regimen>
+<Nutrition for Esports Athletes, connectedTo, Audience Engagement>
+<Nutrition for Esports Athletes, connectedTo, League Management>
+<Nutrition for Esports Athletes, connectedTo, Network Infrastructure for Tournaments>
+<Player Scouting, connectedTo, Esports Education Programs>
+<Player Scouting, partOf, Social Media Management>
+<Sponsorship Acquisition, connectedTo, Game Publisher Relations>
+<Sponsorship Acquisition, connectedTo, Merchandise Sales>
diff --git a/test/plantuml/graph_hard/plantuml_348.puml b/test/plantuml/graph_hard/plantuml_348.puml
new file mode 100644
index 0000000000000000000000000000000000000000..ed1e4e29b814d09cb701b168868fc371a242e5a3
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_348.puml
@@ -0,0 +1,75 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Social Media Management" as Group0 #E0F2F1 {
+    node "Gambling and Betting Regulation" as nest0_0 #E8EAF6
+    cloud "League Management" as nest0_1 #DED7F0
+    artifact "Mental Health Support for Players" as nest0_2 #DED7F0
+    rectangle "Nutrition for Esports Athletes" as nest0_3 #DED7F0
+}
+rectangle "Esports Analytics" as Group1 #F1F8E9 {
+    database "Game Publisher Relations" as nest1_0 #E8EAF6
+    folder "Gaming Hardware Optimization" as nest1_1 #D0EFEE
+    frame "Media Rights Negotiation" as nest1_2 #E8EAF6
+    folder "Training Regimen" as nest1_3 #D0EFEE
+}
+usecase "Ticketing Sales" as N0 #E8EAF6
+component "Sponsorship Acquisition" as N1 #DED7F0
+frame "Event Broadcasting" as N2 #D0EFEE
+component "Anti_Cheat Measures" as N3 #DED7F0
+folder "Game Server Management" as N4 #DED7F0
+cloud "Rules and Regulations Enforcement" as N5 #D0EFEE
+artifact "Broadcast Technology for Esports" as N6 #D0EFEE
+folder "Venue Setup" as N7 #D0EFEE
+folder "Tournament Organization" as N8 #DED7F0
+frame "Game Strategy Development" as N9 #DED7F0
+folder "Player Contracts" as N10 #D0EFEE
+circle " " as S0 #E8EAF6
+circle " " as S1 #DED7F0
+circle " " as S2 #DED7F0
+circle " " as M0 #E8EAF6
+circle " " as M1 #D0EFEE
+circle " " as M2 #E8EAF6
+N0 -[#7986CB]-> N1
+N1 ..[#A188DB]..> N2
+N2 ..[#A188DB]..> N3
+N3 ..[#000000]..> N4 : streams
+N4 -[#A188DB]-> N5
+N5 ..[#73C6BC]..> N6 : game_analyzes
+N6 ..[#000000]..> N7 : sponsors
+N7 -[#73C6BC]-> N8
+N8 ..[#73C6BC]..> N9 : trains
+N9 ..[#A188DB]..> N10 : contracts
+nest0_0 ..[#73C6BC]..> nest0_1
+nest0_1 -[#A188DB]-> nest0_2
+nest0_2 ..[#000000]..> nest0_3
+N8 -[#7986CB]-> nest0_0
+nest0_3 -[#7986CB]-> N7
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 -[#000000]-> nest1_2
+nest1_2 ..[#000000]..> nest1_3
+N8 ..[#73C6BC]..> nest1_0
+nest1_3 -[#A188DB]-> N2
+N6 ..[#73C6BC]..> S0
+S0 -[#000000]-> N8
+S0 ..[#000000]..> N10
+S0 ..[#A188DB]..> N9
+N6 ..[#73C6BC]..> S1
+S1 ..[#7986CB]..> N8
+S1 ..[#A188DB]..> N10
+S1 ..[#A188DB]..> N9
+N2 -[#A188DB]-> S2
+S2 ..[#000000]..> N9
+S2 -[#000000]-> N7 : plays
+N1 -[#A188DB]-> M0
+N3 ..[#7986CB]..> M0
+M0 ..[#000000]..> N5
+N0 -[#000000]-> M1
+N3 ..[#000000]..> M1
+M1 -[#7986CB]-> N9
+N1 ..[#7986CB]..> M2 : strategies_develops
+N0 -[#7986CB]-> M2
+N4 ..[#73C6BC]..> M2
+M2 ..[#7986CB]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_348.txt b/test/plantuml/graph_hard/plantuml_348.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0f73fccf73003160935b936767cca7e707de2e1f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_348.txt
@@ -0,0 +1,40 @@
+<Anti_Cheat Measures, connectedTo, Game Strategy Development>
+<Anti_Cheat Measures, connectedTo, Rules and Regulations Enforcement>
+<Anti_Cheat Measures, streams, Game Server Management>
+<Broadcast Technology for Esports, connectedTo, Game Strategy Development>
+<Broadcast Technology for Esports, connectedTo, Player Contracts>
+<Broadcast Technology for Esports, connectedTo, Tournament Organization>
+<Broadcast Technology for Esports, sponsors, Venue Setup>
+<Event Broadcasting, connectedTo, Anti_Cheat Measures>
+<Event Broadcasting, connectedTo, Game Strategy Development>
+<Event Broadcasting, plays, Venue Setup>
+<Gambling and Betting Regulation, connectedTo, League Management>
+<Gambling and Betting Regulation, partOf, Social Media Management>
+<Game Publisher Relations, connectedTo, Gaming Hardware Optimization>
+<Game Publisher Relations, partOf, Esports Analytics>
+<Game Server Management, connectedTo, Rules and Regulations Enforcement>
+<Game Server Management, connectedTo, Tournament Organization>
+<Game Strategy Development, contracts, Player Contracts>
+<Gaming Hardware Optimization, connectedTo, Media Rights Negotiation>
+<Gaming Hardware Optimization, partOf, Esports Analytics>
+<League Management, connectedTo, Mental Health Support for Players>
+<League Management, partOf, Social Media Management>
+<Media Rights Negotiation, connectedTo, Training Regimen>
+<Media Rights Negotiation, partOf, Esports Analytics>
+<Mental Health Support for Players, connectedTo, Nutrition for Esports Athletes>
+<Mental Health Support for Players, partOf, Social Media Management>
+<Nutrition for Esports Athletes, connectedTo, Venue Setup>
+<Nutrition for Esports Athletes, partOf, Social Media Management>
+<Rules and Regulations Enforcement, game_analyzes, Broadcast Technology for Esports>
+<Sponsorship Acquisition, connectedTo, Event Broadcasting>
+<Sponsorship Acquisition, connectedTo, Rules and Regulations Enforcement>
+<Sponsorship Acquisition, strategies_develops, Tournament Organization>
+<Ticketing Sales, connectedTo, Game Strategy Development>
+<Ticketing Sales, connectedTo, Sponsorship Acquisition>
+<Ticketing Sales, connectedTo, Tournament Organization>
+<Tournament Organization, connectedTo, Gambling and Betting Regulation>
+<Tournament Organization, connectedTo, Game Publisher Relations>
+<Tournament Organization, trains, Game Strategy Development>
+<Training Regimen, connectedTo, Event Broadcasting>
+<Training Regimen, partOf, Esports Analytics>
+<Venue Setup, connectedTo, Tournament Organization>
diff --git a/test/plantuml/graph_hard/plantuml_349.puml b/test/plantuml/graph_hard/plantuml_349.puml
new file mode 100644
index 0000000000000000000000000000000000000000..774aa31626d509fbfd6ca1501a6d3114fd6856f3
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_349.puml
@@ -0,0 +1,73 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Brain_Computer Interface" as Group0 #F3E5F5 {
+    folder "Neuroethics" as nest0_0 #FFF0CC
+    component "Brain Imaging" as nest0_1 #DDCEDD
+    node "Systems Neuroscience" as nest0_2 #DDCEDD
+    folder "Synaptic Plasticity Study" as nest0_3 #DDCEDD
+}
+rectangle "Neurofeedback Therapy" as Group1 #E0F2F1 {
+    folder "Optogenetics" as nest1_0 #FFF9C4
+    folder "Neurodegenerative Disease Research" as nest1_1 #FFF9C4
+}
+usecase "Memory Formation Research" as N0 #FFF9C4
+database "Sensory Perception Research" as N1 #DDCEDD
+frame "Stem Cell Research" as N2 #FFF9C4
+folder "Deep Brain Stimulation" as N3 #DDCEDD
+rectangle "Cognitive Neuroscience" as N4 #FFF0CC
+rectangle "Neural Data Analysis" as N5 #DDCEDD
+artifact "Aging Brain Research" as N6 #FFF9C4
+usecase "Molecular Neuroscience" as N7 #DDCEDD
+database "Gene Therapy for Neurological Disorders" as N8 #FFF0CC
+folder "Neurological Disorder Diagnosis" as N9 #DDCEDD
+component "Pain Perception Research" as N10 #FFF9C4
+circle " " as S0 #DDCEDD
+circle " " as S1 #DDCEDD
+circle " " as S2 #FFF9C4
+circle " " as M0 #FFF0CC
+circle " " as M1 #FFF0CC
+circle " " as M2 #FFF9C4
+N0 ..[#AF56A6]..> N1
+N1 -[#FFEB3B]-> N2 : innovates
+N2 ..[#000000]..> N3
+N3 ..[#FFCC80]..> N4
+N4 -[#FFCC80]-> N5
+N5 ..[#AF56A6]..> N6
+N6 ..[#AF56A6]..> N7
+N7 ..[#FFCC80]..> N8
+N8 -[#000000]-> N9
+N9 -[#AF56A6]-> N10
+nest0_0 -[#AF56A6]-> nest0_1
+nest0_1 -[#FFCC80]-> nest0_2 : observes
+nest0_2 ..[#000000]..> nest0_3
+N2 -[#AF56A6]-> nest0_0
+nest0_3 -[#AF56A6]-> N3
+nest1_0 ..[#FFCC80]..> nest1_1
+N3 ..[#AF56A6]..> nest1_0
+nest1_1 -[#AF56A6]-> N10
+N2 -[#000000]-> S0
+S0 ..[#000000]..> N6
+S0 ..[#FFEB3B]..> N4
+N2 -[#AF56A6]-> S1
+S1 ..[#FFCC80]..> N8 : maps
+S1 ..[#AF56A6]..> N6
+S1 ..[#FFEB3B]..> N9
+S1 -[#FFCC80]-> N4
+N3 -[#FFCC80]-> S2
+S2 ..[#FFEB3B]..> N8
+S2 ..[#AF56A6]..> N10
+S2 -[#FFEB3B]-> N9
+N3 ..[#FFEB3B]..> M0
+N2 ..[#AF56A6]..> M0
+N1 -[#AF56A6]-> M0 : therapies_develops
+N0 -[#000000]-> M0
+M0 -[#FFEB3B]-> N5
+N0 ..[#FFCC80]..> M1
+N1 -[#000000]-> M1
+M1 -[#000000]-> N4
+N1 -[#000000]-> M2
+N0 -[#FFEB3B]-> M2 : discovers
+M2 ..[#FFCC80]..> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_349.txt b/test/plantuml/graph_hard/plantuml_349.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bd290150b0cf2ba3d8623c3fdbb7b71b15ea0255
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_349.txt
@@ -0,0 +1,39 @@
+<Aging Brain Research, connectedTo, Molecular Neuroscience>
+<Brain Imaging, observes, Systems Neuroscience>
+<Brain Imaging, partOf, Brain_Computer Interface>
+<Cognitive Neuroscience, connectedTo, Neural Data Analysis>
+<Deep Brain Stimulation, connectedTo, Cognitive Neuroscience>
+<Deep Brain Stimulation, connectedTo, Gene Therapy for Neurological Disorders>
+<Deep Brain Stimulation, connectedTo, Neural Data Analysis>
+<Deep Brain Stimulation, connectedTo, Neurological Disorder Diagnosis>
+<Deep Brain Stimulation, connectedTo, Optogenetics>
+<Deep Brain Stimulation, connectedTo, Pain Perception Research>
+<Gene Therapy for Neurological Disorders, connectedTo, Neurological Disorder Diagnosis>
+<Memory Formation Research, connectedTo, Cognitive Neuroscience>
+<Memory Formation Research, connectedTo, Neural Data Analysis>
+<Memory Formation Research, connectedTo, Sensory Perception Research>
+<Memory Formation Research, discovers, Deep Brain Stimulation>
+<Molecular Neuroscience, connectedTo, Gene Therapy for Neurological Disorders>
+<Neural Data Analysis, connectedTo, Aging Brain Research>
+<Neurodegenerative Disease Research, connectedTo, Pain Perception Research>
+<Neurodegenerative Disease Research, partOf, Neurofeedback Therapy>
+<Neuroethics, connectedTo, Brain Imaging>
+<Neuroethics, partOf, Brain_Computer Interface>
+<Neurological Disorder Diagnosis, connectedTo, Pain Perception Research>
+<Optogenetics, connectedTo, Neurodegenerative Disease Research>
+<Optogenetics, partOf, Neurofeedback Therapy>
+<Sensory Perception Research, connectedTo, Cognitive Neuroscience>
+<Sensory Perception Research, connectedTo, Deep Brain Stimulation>
+<Sensory Perception Research, innovates, Stem Cell Research>
+<Sensory Perception Research, therapies_develops, Neural Data Analysis>
+<Stem Cell Research, connectedTo, Aging Brain Research>
+<Stem Cell Research, connectedTo, Cognitive Neuroscience>
+<Stem Cell Research, connectedTo, Deep Brain Stimulation>
+<Stem Cell Research, connectedTo, Neural Data Analysis>
+<Stem Cell Research, connectedTo, Neuroethics>
+<Stem Cell Research, connectedTo, Neurological Disorder Diagnosis>
+<Stem Cell Research, maps, Gene Therapy for Neurological Disorders>
+<Synaptic Plasticity Study, connectedTo, Deep Brain Stimulation>
+<Synaptic Plasticity Study, partOf, Brain_Computer Interface>
+<Systems Neuroscience, connectedTo, Synaptic Plasticity Study>
+<Systems Neuroscience, partOf, Brain_Computer Interface>
diff --git a/test/plantuml/graph_hard/plantuml_35.puml b/test/plantuml/graph_hard/plantuml_35.puml
new file mode 100644
index 0000000000000000000000000000000000000000..6137aff0537cebcce5d6c601b2be604ecfd7546f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_35.puml
@@ -0,0 +1,64 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Return Trip" as Group0 #E0F2F1 {
+    database "Custom Tour Package Creation" as nest0_0 #F0F0F0
+    component "Photo Capture" as nest0_1 #F0F0F0
+    cloud "Souvenir Shopping" as nest0_2 #ECCFF5
+    frame "Currency Exchange" as nest0_3 #F0F0F0
+}
+rectangle "Travel Advisory Updates" as Group1 #FBE9E7 {
+    artifact "Flight Booking" as nest1_0 #ECCFF5
+    artifact "Tour Guide Assignment" as nest1_1 #ECCFF5
+}
+component "Event Reservation" as N0 #ECCFF5
+cloud "Travel Insurance" as N1 #F0F0F0
+usecase "Restaurant Reservation" as N2 #ECCFF5
+cloud "Duty_Free Shopping" as N3 #ECCFF5
+folder "Baggage Handling" as N4 #ECCFF5
+artifact "Destination Selection" as N5 #DACBE3
+database "Loyalty Program Enrollment" as N6 #F0F0F0
+folder "Adventure Sports Booking" as N7 #ECCFF5
+usecase "Tourist Information Desk" as N8 #DACBE3
+cloud "Trip Sharing" as N9 #ECCFF5
+cloud "Group Tour Coordination" as N10 #ECCFF5
+node "Activity Booking" as N11 #ECCFF5
+usecase "Travel Blog Creation" as N12 #DACBE3
+circle " " as S0 #F0F0F0
+circle " " as M0 #F0F0F0
+circle " " as M1 #DACBE3
+N0 ..[#D2D2D2]..> N1
+N1 ..[#A188D0]..> N2
+N2 -[#A188D0]-> N3
+N3 ..[#A188D0]..> N4
+N4 ..[#A188D0]..> N5
+N5 -[#A188D0]-> N6
+N6 ..[#A188D0]..> N7
+N7 -[#A188D0]-> N8
+N8 ..[#A188D0]..> N9
+N9 ..[#CD8FF2]..> N10
+N10 ..[#D2D2D2]..> N11
+N11 -[#D2D2D2]-> N12
+nest0_0 -[#000000]-> nest0_1
+nest0_1 ..[#D2D2D2]..> nest0_2
+nest0_2 -[#D2D2D2]-> nest0_3
+N4 -[#000000]-> nest0_0 : experiences
+nest0_3 ..[#000000]..> N6
+nest1_0 ..[#A188D0]..> nest1_1
+N1 -[#D2D2D2]-> nest1_0
+nest1_1 ..[#000000]..> N8
+N7 -[#000000]-> S0
+S0 ..[#A188D0]..> N12
+S0 -[#A188D0]-> N10
+S0 ..[#A188D0]..> N11
+S0 ..[#CD8FF2]..> N9 : exchanges
+N2 -[#000000]-> M0
+N3 ..[#000000]..> M0
+M0 -[#A188D0]-> N5
+N0 ..[#D2D2D2]..> M1
+N1 ..[#CD8FF2]..> M1
+N2 ..[#D2D2D2]..> M1
+N3 ..[#D2D2D2]..> M1
+M1 ..[#A188D0]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_35.txt b/test/plantuml/graph_hard/plantuml_35.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5633aa0a590f2c1a735f6ccbcf2d564375aa8fc8
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_35.txt
@@ -0,0 +1,36 @@
+<Activity Booking, connectedTo, Travel Blog Creation>
+<Adventure Sports Booking, connectedTo, Activity Booking>
+<Adventure Sports Booking, connectedTo, Group Tour Coordination>
+<Adventure Sports Booking, connectedTo, Tourist Information Desk>
+<Adventure Sports Booking, connectedTo, Travel Blog Creation>
+<Adventure Sports Booking, exchanges, Trip Sharing>
+<Baggage Handling, connectedTo, Destination Selection>
+<Baggage Handling, experiences, Custom Tour Package Creation>
+<Currency Exchange, connectedTo, Loyalty Program Enrollment>
+<Currency Exchange, partOf, Return Trip>
+<Custom Tour Package Creation, connectedTo, Photo Capture>
+<Custom Tour Package Creation, partOf, Return Trip>
+<Destination Selection, connectedTo, Loyalty Program Enrollment>
+<Duty_Free Shopping, connectedTo, Baggage Handling>
+<Duty_Free Shopping, connectedTo, Destination Selection>
+<Duty_Free Shopping, connectedTo, Tourist Information Desk>
+<Event Reservation, connectedTo, Tourist Information Desk>
+<Event Reservation, connectedTo, Travel Insurance>
+<Flight Booking, connectedTo, Tour Guide Assignment>
+<Flight Booking, partOf, Travel Advisory Updates>
+<Group Tour Coordination, connectedTo, Activity Booking>
+<Loyalty Program Enrollment, connectedTo, Adventure Sports Booking>
+<Photo Capture, connectedTo, Souvenir Shopping>
+<Photo Capture, partOf, Return Trip>
+<Restaurant Reservation, connectedTo, Destination Selection>
+<Restaurant Reservation, connectedTo, Duty_Free Shopping>
+<Restaurant Reservation, connectedTo, Tourist Information Desk>
+<Souvenir Shopping, connectedTo, Currency Exchange>
+<Souvenir Shopping, partOf, Return Trip>
+<Tour Guide Assignment, connectedTo, Tourist Information Desk>
+<Tour Guide Assignment, partOf, Travel Advisory Updates>
+<Tourist Information Desk, connectedTo, Trip Sharing>
+<Travel Insurance, connectedTo, Flight Booking>
+<Travel Insurance, connectedTo, Restaurant Reservation>
+<Travel Insurance, connectedTo, Tourist Information Desk>
+<Trip Sharing, connectedTo, Group Tour Coordination>
diff --git a/test/plantuml/graph_hard/plantuml_350.puml b/test/plantuml/graph_hard/plantuml_350.puml
new file mode 100644
index 0000000000000000000000000000000000000000..f6c1ebc4136d0d6f06d3936d308ddad2831ad3d0
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_350.puml
@@ -0,0 +1,75 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Neuroprosthetics" as Group0 #FCE4EC {
+    rectangle "Synaptic Plasticity Study" as nest0_0 #FFDCD6
+    cloud "Cognitive Neuroscience" as nest0_1 #FFDCD6
+    node "Cellular Neuroscience" as nest0_2 #FFF0CC
+    database "Spike Train Analysis" as nest0_3 #CFD8DC
+}
+rectangle "Brain_Computer Interface" as Group1 #E8F5E9 {
+    node "Genetic Basis of Brain Disorders" as nest1_0 #FFDCD6
+    component "Neurological Disorder Diagnosis" as nest1_1 #FFF0CC
+    cloud "Deep Brain Stimulation" as nest1_2 #FFF0CC
+    folder "Brain Mapping" as nest1_3 #FFDCD6
+}
+folder "Electrophysiology" as N0 #FFDCD6
+component "Connectomics" as N1 #FFDCD6
+frame "Optogenetics" as N2 #FFDCD6
+node "Gene Therapy for Neurological Disorders" as N3 #CFD8DC
+usecase "Memory Formation Research" as N4 #FFF0CC
+folder "Behavioral Neuroscience" as N5 #FFF0CC
+rectangle "Artificial Neural Networks Modeling" as N6 #FFDCD6
+node "Brain Imaging" as N7 #CFD8DC
+cloud "Drug Development for Brain Disorders" as N8 #CFD8DC
+usecase "Neural Network Analysis" as N9 #CFD8DC
+rectangle "Neurotransmitter Research" as N10 #FFF0CC
+usecase "Systems Neuroscience" as N11 #FFDCD6
+component "Sleep Research" as N12 #FFF0CC
+frame "Pain Perception Research" as N13 #FFF0CC
+artifact "Stem Cell Research" as N14 #FFDCD6
+circle " " as S0 #FFF0CC
+circle " " as S1 #FFDCD6
+circle " " as M0 #FFF0CC
+circle " " as M1 #CFD8DC
+N0 ..[#FFB2A5]..> N1
+N1 ..[#FFB2A5]..> N2
+N2 -[#000000]-> N3
+N3 -[#FFCC80]-> N4
+N4 -[#607D8B]-> N5
+N5 -[#000000]-> N6
+N6 ..[#FFCC80]..> N7
+N7 -[#FFCC80]-> N8
+N8 ..[#000000]..> N9
+N9 -[#607D8B]-> N10
+N10 ..[#000000]..> N11
+N11 -[#000000]-> N12
+N12 ..[#FFCC80]..> N13
+N13 ..[#FFB2A5]..> N14
+nest0_0 ..[#607D8B]..> nest0_1
+nest0_1 -[#000000]-> nest0_2
+nest0_2 ..[#FFB2A5]..> nest0_3 : simulates
+N9 -[#607D8B]-> nest0_0
+nest0_3 ..[#FFCC80]..> N11
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 -[#FFCC80]-> nest1_2
+nest1_2 ..[#FFCC80]..> nest1_3
+N11 -[#FFB2A5]-> nest1_0
+nest1_3 ..[#FFB2A5]..> N11
+N5 -[#607D8B]-> S0
+S0 ..[#FFCC80]..> N11
+S0 -[#607D8B]-> N9
+S0 ..[#FFB2A5]..> N14
+N4 -[#FFCC80]-> S1
+S1 ..[#607D8B]..> N6
+S1 ..[#FFCC80]..> N8 : stimulates
+N5 -[#FFB2A5]-> M0
+N8 ..[#000000]..> M0
+N0 ..[#000000]..> M0
+M0 -[#FFCC80]-> N13
+N3 ..[#607D8B]..> M1
+N0 -[#FFCC80]-> M1
+N6 ..[#FFB2A5]..> M1
+M1 ..[#000000]..> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_350.txt b/test/plantuml/graph_hard/plantuml_350.txt
new file mode 100644
index 0000000000000000000000000000000000000000..44431e0a2048189e77e07cb8e6b94bf1f3d1d308
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_350.txt
@@ -0,0 +1,43 @@
+<Artificial Neural Networks Modeling, connectedTo, Brain Imaging>
+<Artificial Neural Networks Modeling, connectedTo, Neural Network Analysis>
+<Behavioral Neuroscience, connectedTo, Artificial Neural Networks Modeling>
+<Behavioral Neuroscience, connectedTo, Neural Network Analysis>
+<Behavioral Neuroscience, connectedTo, Pain Perception Research>
+<Behavioral Neuroscience, connectedTo, Stem Cell Research>
+<Behavioral Neuroscience, connectedTo, Systems Neuroscience>
+<Brain Imaging, connectedTo, Drug Development for Brain Disorders>
+<Brain Mapping, connectedTo, Systems Neuroscience>
+<Brain Mapping, partOf, Brain_Computer Interface>
+<Cellular Neuroscience, partOf, Neuroprosthetics>
+<Cellular Neuroscience, simulates, Spike Train Analysis>
+<Cognitive Neuroscience, connectedTo, Cellular Neuroscience>
+<Cognitive Neuroscience, partOf, Neuroprosthetics>
+<Connectomics, connectedTo, Optogenetics>
+<Deep Brain Stimulation, connectedTo, Brain Mapping>
+<Deep Brain Stimulation, partOf, Brain_Computer Interface>
+<Drug Development for Brain Disorders, connectedTo, Neural Network Analysis>
+<Drug Development for Brain Disorders, connectedTo, Pain Perception Research>
+<Electrophysiology, connectedTo, Connectomics>
+<Electrophysiology, connectedTo, Neural Network Analysis>
+<Electrophysiology, connectedTo, Pain Perception Research>
+<Gene Therapy for Neurological Disorders, connectedTo, Memory Formation Research>
+<Gene Therapy for Neurological Disorders, connectedTo, Neural Network Analysis>
+<Genetic Basis of Brain Disorders, connectedTo, Neurological Disorder Diagnosis>
+<Genetic Basis of Brain Disorders, partOf, Brain_Computer Interface>
+<Memory Formation Research, connectedTo, Artificial Neural Networks Modeling>
+<Memory Formation Research, connectedTo, Behavioral Neuroscience>
+<Memory Formation Research, stimulates, Drug Development for Brain Disorders>
+<Neural Network Analysis, connectedTo, Neurotransmitter Research>
+<Neural Network Analysis, connectedTo, Synaptic Plasticity Study>
+<Neurological Disorder Diagnosis, connectedTo, Deep Brain Stimulation>
+<Neurological Disorder Diagnosis, partOf, Brain_Computer Interface>
+<Neurotransmitter Research, connectedTo, Systems Neuroscience>
+<Optogenetics, connectedTo, Gene Therapy for Neurological Disorders>
+<Pain Perception Research, connectedTo, Stem Cell Research>
+<Sleep Research, connectedTo, Pain Perception Research>
+<Spike Train Analysis, connectedTo, Systems Neuroscience>
+<Spike Train Analysis, partOf, Neuroprosthetics>
+<Synaptic Plasticity Study, connectedTo, Cognitive Neuroscience>
+<Synaptic Plasticity Study, partOf, Neuroprosthetics>
+<Systems Neuroscience, connectedTo, Genetic Basis of Brain Disorders>
+<Systems Neuroscience, connectedTo, Sleep Research>
diff --git a/test/plantuml/graph_hard/plantuml_351.puml b/test/plantuml/graph_hard/plantuml_351.puml
new file mode 100644
index 0000000000000000000000000000000000000000..a26aeccb7a19381e8788fde7d1311a070582f05a
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_351.puml
@@ -0,0 +1,71 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Neural Data Analysis" as Group0 #F3E5F5 {
+    folder "Sleep Research" as nest0_0 #EDF5F3
+    usecase "Neuroethics" as nest0_1 #FFE0B2
+    rectangle "Neural Network Analysis" as nest0_2 #FFF8E1
+}
+rectangle "Genetic Basis of Brain Disorders" as Group1 #F1F8E9 {
+    rectangle "Neurological Disorder Diagnosis" as nest1_0 #FFF8E1
+    cloud "Cognitive Neuroscience" as nest1_1 #FFF8E1
+    database "Computational Neuroscience" as nest1_2 #FFE0B2
+    folder "Synaptic Plasticity Study" as nest1_3 #FFE0B2
+}
+rectangle "Brain Imaging" as N0 #EDF5F3
+rectangle "Pain Perception Research" as N1 #EDF5F3
+folder "Neurodegenerative Disease Research" as N2 #FFF8E1
+node "Drug Development for Brain Disorders" as N3 #EDF5F3
+usecase "Sensory Perception Research" as N4 #FFF8E1
+folder "Connectomics" as N5 #FFF8E1
+component "Gene Therapy for Neurological Disorders" as N6 #FFF8E1
+rectangle "Consciousness Studies" as N7 #FFE0B2
+node "Neurofeedback Therapy" as N8 #FFE0B2
+cloud "Learning Mechanisms Study" as N9 #FFF8E1
+circle " " as S0 #FFE0B2
+circle " " as S1 #EDF5F3
+circle " " as S2 #FFE0B2
+circle " " as M0 #EDF5F3
+circle " " as M1 #FFE0B2
+circle " " as M2 #FFF8E1
+N0 -[#A1D7CD]-> N1
+N1 ..[#FF9800]..> N2
+N2 -[#A1D7CD]-> N3
+N3 ..[#FFD54F]..> N4
+N4 -[#A1D7CD]-> N5 : presents
+N5 ..[#FF9800]..> N6
+N6 ..[#A1D7CD]..> N7
+N7 ..[#FFD54F]..> N8
+N8 -[#FFD54F]-> N9
+nest0_0 ..[#FF9800]..> nest0_1
+nest0_1 ..[#000000]..> nest0_2 : therapies_develops
+N6 -[#FFD54F]-> nest0_0 : stimulates
+nest0_2 ..[#000000]..> N9 : circuits_understands
+nest1_0 ..[#FFD54F]..> nest1_1 : complies
+nest1_1 ..[#A1D7CD]..> nest1_2
+nest1_2 -[#000000]-> nest1_3
+N3 -[#000000]-> nest1_0
+nest1_3 ..[#FF9800]..> N5
+N1 ..[#A1D7CD]..> S0
+S0 ..[#FF9800]..> N3
+S0 ..[#A1D7CD]..> N9
+S0 -[#FF9800]-> N4
+N0 ..[#A1D7CD]..> S1
+S1 -[#FFD54F]-> N2
+S1 -[#A1D7CD]-> N5
+N5 -[#FFD54F]-> S2
+S2 -[#FF9800]-> N9
+S2 -[#FF9800]-> N7
+N0 -[#FFD54F]-> M0
+N3 -[#A1D7CD]-> M0
+N2 -[#000000]-> M0
+M0 -[#000000]-> N7
+N1 ..[#A1D7CD]..> M1
+N0 ..[#FF9800]..> M1
+M1 -[#FFD54F]-> N5
+N2 ..[#FFD54F]..> M2
+N0 -[#FF9800]-> M2
+N1 -[#FFD54F]-> M2
+M2 ..[#FF9800]..> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_351.txt b/test/plantuml/graph_hard/plantuml_351.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b4a47d34ac2a102402f26aa79674d3456c43636c
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_351.txt
@@ -0,0 +1,38 @@
+<Brain Imaging, connectedTo, Connectomics>
+<Brain Imaging, connectedTo, Consciousness Studies>
+<Brain Imaging, connectedTo, Neurodegenerative Disease Research>
+<Brain Imaging, connectedTo, Pain Perception Research>
+<Brain Imaging, connectedTo, Sensory Perception Research>
+<Cognitive Neuroscience, connectedTo, Computational Neuroscience>
+<Cognitive Neuroscience, partOf, Genetic Basis of Brain Disorders>
+<Computational Neuroscience, connectedTo, Synaptic Plasticity Study>
+<Computational Neuroscience, partOf, Genetic Basis of Brain Disorders>
+<Connectomics, connectedTo, Consciousness Studies>
+<Connectomics, connectedTo, Gene Therapy for Neurological Disorders>
+<Connectomics, connectedTo, Learning Mechanisms Study>
+<Consciousness Studies, connectedTo, Neurofeedback Therapy>
+<Drug Development for Brain Disorders, connectedTo, Consciousness Studies>
+<Drug Development for Brain Disorders, connectedTo, Neurological Disorder Diagnosis>
+<Drug Development for Brain Disorders, connectedTo, Sensory Perception Research>
+<Gene Therapy for Neurological Disorders, connectedTo, Consciousness Studies>
+<Gene Therapy for Neurological Disorders, stimulates, Sleep Research>
+<Neural Network Analysis, circuits_understands, Learning Mechanisms Study>
+<Neural Network Analysis, partOf, Neural Data Analysis>
+<Neurodegenerative Disease Research, connectedTo, Consciousness Studies>
+<Neurodegenerative Disease Research, connectedTo, Drug Development for Brain Disorders>
+<Neurodegenerative Disease Research, connectedTo, Sensory Perception Research>
+<Neuroethics, partOf, Neural Data Analysis>
+<Neuroethics, therapies_develops, Neural Network Analysis>
+<Neurofeedback Therapy, connectedTo, Learning Mechanisms Study>
+<Neurological Disorder Diagnosis, complies, Cognitive Neuroscience>
+<Neurological Disorder Diagnosis, partOf, Genetic Basis of Brain Disorders>
+<Pain Perception Research, connectedTo, Connectomics>
+<Pain Perception Research, connectedTo, Drug Development for Brain Disorders>
+<Pain Perception Research, connectedTo, Learning Mechanisms Study>
+<Pain Perception Research, connectedTo, Neurodegenerative Disease Research>
+<Pain Perception Research, connectedTo, Sensory Perception Research>
+<Sensory Perception Research, presents, Connectomics>
+<Sleep Research, connectedTo, Neuroethics>
+<Sleep Research, partOf, Neural Data Analysis>
+<Synaptic Plasticity Study, connectedTo, Connectomics>
+<Synaptic Plasticity Study, partOf, Genetic Basis of Brain Disorders>
diff --git a/test/plantuml/graph_hard/plantuml_352.puml b/test/plantuml/graph_hard/plantuml_352.puml
new file mode 100644
index 0000000000000000000000000000000000000000..275020c5eb49e52dc052813ec43147d9f753e925
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_352.puml
@@ -0,0 +1,72 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Climate Change Impact on Heritage" as Group0 #F3E5F5 {
+    cloud "Community Engagement" as nest0_0 #EFEBE9
+    folder "Indigenous Cultural Heritage Rights" as nest0_1 #EFEBE9
+}
+rectangle "GIS Mapping for Heritage Sites" as Group1 #ECEFF1 {
+    frame "Sustainable Heritage Management" as nest1_0 #EFEBE9
+    folder "Adaptive Reuse of Heritage Buildings" as nest1_1 #E6EE9C
+    artifact "Risk Assessment for Heritage" as nest1_2 #C8E6C9
+}
+artifact "Conservation Science" as N0 #C8E6C9
+folder "Material Analysis" as N1 #E6EE9C
+usecase "Repatriation of Artifacts" as N2 #E6EE9C
+folder "Museum Collection Management" as N3 #EFEBE9
+artifact "Underwater Cultural Heritage" as N4 #EFEBE9
+folder "Heritage Impact Assessment" as N5 #E6EE9C
+folder "World Heritage Site Management" as N6 #EFEBE9
+component "Restoration Techniques" as N7 #EFEBE9
+rectangle "Disaster Preparedness for Heritage" as N8 #E6EE9C
+database "Artifact Conservation" as N9 #C8E6C9
+component "Cultural Tourism Development" as N10 #EFEBE9
+frame "Archaeological Excavation" as N11 #C8E6C9
+database "Augmented Reality Tours" as N12 #C8E6C9
+folder "Exhibition Curation" as N13 #EFEBE9
+folder "Legal Protection for Heritage" as N14 #EFEBE9
+circle " " as S0 #EFEBE9
+circle " " as S1 #E6EE9C
+circle " " as M0 #C8E6C9
+circle " " as M1 #E6EE9C
+circle " " as M2 #EFEBE9
+N0 ..[#CDDC39]..> N1
+N1 -[#CDDC39]-> N2
+N2 ..[#A1887F]..> N3
+N3 ..[#A1887F]..> N4
+N4 ..[#CDDC39]..> N5
+N5 ..[#A1887F]..> N6
+N6 -[#CDDC39]-> N7
+N7 ..[#388E3C]..> N8
+N8 ..[#CDDC39]..> N9 : manages
+N9 ..[#388E3C]..> N10
+N10 -[#CDDC39]-> N11
+N11 -[#000000]-> N12
+N12 -[#CDDC39]-> N13
+N13 ..[#000000]..> N14
+nest0_0 ..[#CDDC39]..> nest0_1 : interprets
+N2 ..[#A1887F]..> nest0_0
+nest0_1 ..[#A1887F]..> N6
+nest1_0 ..[#388E3C]..> nest1_1 : reports
+nest1_1 ..[#CDDC39]..> nest1_2
+N13 -[#388E3C]-> nest1_0
+nest1_2 -[#A1887F]-> N12
+N7 ..[#A1887F]..> S0
+S0 -[#A1887F]-> N12
+S0 ..[#388E3C]..> N11
+N3 -[#CDDC39]-> S1
+S1 -[#000000]-> N7
+S1 -[#CDDC39]-> N10
+S1 -[#CDDC39]-> N6 : curates
+N1 ..[#CDDC39]..> M0
+N0 ..[#A1887F]..> M0
+M0 ..[#000000]..> N3
+N5 -[#CDDC39]-> M1 : conserves
+N3 -[#CDDC39]-> M1
+M1 -[#CDDC39]-> N12
+N0 -[#000000]-> M2
+N2 -[#000000]-> M2
+N1 ..[#000000]..> M2
+M2 -[#A1887F]-> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_352.txt b/test/plantuml/graph_hard/plantuml_352.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e9723c2d03b5ed101333ef98c2b695beeab4f0a6
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_352.txt
@@ -0,0 +1,38 @@
+<Adaptive Reuse of Heritage Buildings, connectedTo, Risk Assessment for Heritage>
+<Adaptive Reuse of Heritage Buildings, partOf, GIS Mapping for Heritage Sites>
+<Archaeological Excavation, connectedTo, Augmented Reality Tours>
+<Artifact Conservation, connectedTo, Cultural Tourism Development>
+<Augmented Reality Tours, connectedTo, Exhibition Curation>
+<Community Engagement, interprets, Indigenous Cultural Heritage Rights>
+<Community Engagement, partOf, Climate Change Impact on Heritage>
+<Conservation Science, connectedTo, Material Analysis>
+<Conservation Science, connectedTo, Museum Collection Management>
+<Conservation Science, connectedTo, Underwater Cultural Heritage>
+<Cultural Tourism Development, connectedTo, Archaeological Excavation>
+<Disaster Preparedness for Heritage, manages, Artifact Conservation>
+<Exhibition Curation, connectedTo, Legal Protection for Heritage>
+<Exhibition Curation, connectedTo, Sustainable Heritage Management>
+<Heritage Impact Assessment, connectedTo, World Heritage Site Management>
+<Heritage Impact Assessment, conserves, Augmented Reality Tours>
+<Indigenous Cultural Heritage Rights, connectedTo, World Heritage Site Management>
+<Indigenous Cultural Heritage Rights, partOf, Climate Change Impact on Heritage>
+<Material Analysis, connectedTo, Museum Collection Management>
+<Material Analysis, connectedTo, Repatriation of Artifacts>
+<Material Analysis, connectedTo, Underwater Cultural Heritage>
+<Museum Collection Management, connectedTo, Augmented Reality Tours>
+<Museum Collection Management, connectedTo, Cultural Tourism Development>
+<Museum Collection Management, connectedTo, Restoration Techniques>
+<Museum Collection Management, connectedTo, Underwater Cultural Heritage>
+<Museum Collection Management, curates, World Heritage Site Management>
+<Repatriation of Artifacts, connectedTo, Community Engagement>
+<Repatriation of Artifacts, connectedTo, Museum Collection Management>
+<Repatriation of Artifacts, connectedTo, Underwater Cultural Heritage>
+<Restoration Techniques, connectedTo, Archaeological Excavation>
+<Restoration Techniques, connectedTo, Augmented Reality Tours>
+<Restoration Techniques, connectedTo, Disaster Preparedness for Heritage>
+<Risk Assessment for Heritage, connectedTo, Augmented Reality Tours>
+<Risk Assessment for Heritage, partOf, GIS Mapping for Heritage Sites>
+<Sustainable Heritage Management, partOf, GIS Mapping for Heritage Sites>
+<Sustainable Heritage Management, reports, Adaptive Reuse of Heritage Buildings>
+<Underwater Cultural Heritage, connectedTo, Heritage Impact Assessment>
+<World Heritage Site Management, connectedTo, Restoration Techniques>
diff --git a/test/plantuml/graph_hard/plantuml_353.puml b/test/plantuml/graph_hard/plantuml_353.puml
new file mode 100644
index 0000000000000000000000000000000000000000..da00e5124285fe4b3b253a85453eefa767a1dbdc
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_353.puml
@@ -0,0 +1,75 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "World Heritage Site Management" as Group0 #E8F5E9 {
+    folder "Exhibition Curation" as nest0_0 #C2E8E6
+    database "Dating Techniques" as nest0_1 #FFF9D4
+}
+rectangle "Archival Management" as Group1 #E8F5E9 {
+    artifact "Cultural Tourism Development" as nest1_0 #C2E8E6
+    rectangle "Conservation Science" as nest1_1 #C2E8E6
+    cloud "Augmented Reality Tours" as nest1_2 #C2E8E6
+    folder "Digital Documentation" as nest1_3 #FCE4EC
+}
+node "Digital Storytelling" as N0 #FCE4EC
+frame "Illicit Trafficking Control" as N1 #C2E8E6
+folder "Indigenous Cultural Heritage Rights" as N2 #FFF9D4
+usecase "Looting Prevention" as N3 #FCE4EC
+component "Restoration Techniques" as N4 #C2E8E6
+database "Traditional Knowledge Documentation" as N5 #C2E8E6
+artifact "Heritage Impact Assessment" as N6 #FCE4EC
+folder "Legal Protection for Heritage" as N7 #C2E8E6
+component "Material Analysis" as N8 #C2E8E6
+artifact "Underwater Cultural Heritage" as N9 #FFF9D4
+artifact "Public Education Programs" as N10 #FFF9D4
+artifact "Crowdsourcing for Heritage Data" as N11 #FCE4EC
+cloud "Intangible Cultural Heritage Preservation" as N12 #FFF9D4
+folder "GIS Mapping for Heritage Sites" as N13 #C2E8E6
+usecase "Repatriation of Artifacts" as N14 #C2E8E6
+frame "Disaster Preparedness for Heritage" as N15 #C2E8E6
+component "Oral History Collection" as N16 #FFF9D4
+node "3D Scanning of Artifacts" as N17 #C2E8E6
+frame "Climate Change Impact on Heritage" as N18 #FFF9D4
+circle " " as S0 #FFF9D4
+circle " " as S1 #FFF9D4
+circle " " as M0 #FCE4EC
+N0 ..[#FFE69C]..> N1
+N1 ..[#000000]..> N2
+N2 -[#000000]-> N3
+N3 ..[#FFE69C]..> N4
+N4 -[#FFE69C]-> N5
+N5 -[#F06292]-> N6
+N6 ..[#61CAC3]..> N7
+N7 ..[#F06292]..> N8
+N8 ..[#F06292]..> N9
+N9 ..[#F06292]..> N10 : accesses
+N10 ..[#F06292]..> N11
+N11 -[#F06292]-> N12
+N12 -[#000000]-> N13
+N13 -[#F06292]-> N14
+N14 -[#FFE69C]-> N15
+N15 -[#61CAC3]-> N16
+N16 -[#FFE69C]-> N17
+N17 ..[#000000]..> N18
+nest0_0 ..[#FFE69C]..> nest0_1
+N3 ..[#F06292]..> nest0_0
+nest0_1 -[#FFE69C]-> N5
+nest1_0 ..[#FFE69C]..> nest1_1
+nest1_1 ..[#F06292]..> nest1_2
+nest1_2 -[#F06292]-> nest1_3
+N1 ..[#000000]..> nest1_0 : conserves
+nest1_3 ..[#FFE69C]..> N7 : knowledge_transfers
+N7 ..[#61CAC3]..> S0
+S0 -[#FFE69C]-> N10
+S0 -[#61CAC3]-> N16
+S0 -[#FFE69C]-> N11 : promotes
+N2 ..[#FFE69C]..> S1
+S1 -[#61CAC3]-> N8
+S1 ..[#000000]..> N17
+S1 -[#F06292]-> N4
+N9 ..[#000000]..> M0 : archives
+N0 -[#FFE69C]-> M0
+N8 -[#F06292]-> M0
+M0 -[#F06292]-> N15
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_353.txt b/test/plantuml/graph_hard/plantuml_353.txt
new file mode 100644
index 0000000000000000000000000000000000000000..894504f76d63851b068878552b63924a656f5a75
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_353.txt
@@ -0,0 +1,41 @@
+<3D Scanning of Artifacts, connectedTo, Climate Change Impact on Heritage>
+<Augmented Reality Tours, connectedTo, Digital Documentation>
+<Augmented Reality Tours, partOf, Archival Management>
+<Conservation Science, connectedTo, Augmented Reality Tours>
+<Conservation Science, partOf, Archival Management>
+<Crowdsourcing for Heritage Data, connectedTo, Intangible Cultural Heritage Preservation>
+<Cultural Tourism Development, connectedTo, Conservation Science>
+<Cultural Tourism Development, partOf, Archival Management>
+<Dating Techniques, connectedTo, Traditional Knowledge Documentation>
+<Dating Techniques, partOf, World Heritage Site Management>
+<Digital Documentation, knowledge_transfers, Legal Protection for Heritage>
+<Digital Documentation, partOf, Archival Management>
+<Digital Storytelling, connectedTo, Disaster Preparedness for Heritage>
+<Digital Storytelling, connectedTo, Illicit Trafficking Control>
+<Disaster Preparedness for Heritage, connectedTo, Oral History Collection>
+<Exhibition Curation, connectedTo, Dating Techniques>
+<Exhibition Curation, partOf, World Heritage Site Management>
+<GIS Mapping for Heritage Sites, connectedTo, Repatriation of Artifacts>
+<Heritage Impact Assessment, connectedTo, Legal Protection for Heritage>
+<Illicit Trafficking Control, connectedTo, Indigenous Cultural Heritage Rights>
+<Illicit Trafficking Control, conserves, Cultural Tourism Development>
+<Indigenous Cultural Heritage Rights, connectedTo, 3D Scanning of Artifacts>
+<Indigenous Cultural Heritage Rights, connectedTo, Looting Prevention>
+<Indigenous Cultural Heritage Rights, connectedTo, Material Analysis>
+<Indigenous Cultural Heritage Rights, connectedTo, Restoration Techniques>
+<Intangible Cultural Heritage Preservation, connectedTo, GIS Mapping for Heritage Sites>
+<Legal Protection for Heritage, connectedTo, Material Analysis>
+<Legal Protection for Heritage, connectedTo, Oral History Collection>
+<Legal Protection for Heritage, connectedTo, Public Education Programs>
+<Legal Protection for Heritage, promotes, Crowdsourcing for Heritage Data>
+<Looting Prevention, connectedTo, Exhibition Curation>
+<Looting Prevention, connectedTo, Restoration Techniques>
+<Material Analysis, connectedTo, Disaster Preparedness for Heritage>
+<Material Analysis, connectedTo, Underwater Cultural Heritage>
+<Oral History Collection, connectedTo, 3D Scanning of Artifacts>
+<Public Education Programs, connectedTo, Crowdsourcing for Heritage Data>
+<Repatriation of Artifacts, connectedTo, Disaster Preparedness for Heritage>
+<Restoration Techniques, connectedTo, Traditional Knowledge Documentation>
+<Traditional Knowledge Documentation, connectedTo, Heritage Impact Assessment>
+<Underwater Cultural Heritage, accesses, Public Education Programs>
+<Underwater Cultural Heritage, archives, Disaster Preparedness for Heritage>
diff --git a/test/plantuml/graph_hard/plantuml_354.puml b/test/plantuml/graph_hard/plantuml_354.puml
new file mode 100644
index 0000000000000000000000000000000000000000..b87cc10075b5be9dfb141d6323989aebd802e613
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_354.puml
@@ -0,0 +1,63 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Indigenous Cultural Heritage Rights" as Group0 #E3F2FD {
+    database "Disaster Preparedness for Heritage" as nest0_0 #EDE7F6
+    frame "Crowdsourcing for Heritage Data" as nest0_1 #EDE7F6
+}
+rectangle "Historical Research" as Group1 #E8F5E9 {
+    component "Dating Techniques" as nest1_0 #EDE7F6
+    folder "Sustainable Heritage Management" as nest1_1 #EDE7F6
+    artifact "Site Preservation" as nest1_2 #ECCFF5
+}
+rectangle "Remote Sensing for Heritage" as N0 #ECCFF5
+node "Digital Documentation" as N1 #F2E6F5
+component "Material Analysis" as N2 #ECCFF5
+component "Public Education Programs" as N3 #EDE7F6
+usecase "Illicit Trafficking Control" as N4 #EDE7F6
+cloud "Looting Prevention" as N5 #ECCFF5
+database "Oral History Collection" as N6 #F2E6F5
+database "Climate Change Impact on Heritage" as N7 #EDE7F6
+component "Adaptive Reuse of Heritage Buildings" as N8 #EDE7F6
+cloud "Intangible Cultural Heritage Preservation" as N9 #ECCFF5
+node "Augmented Reality Tours" as N10 #F2E6F5
+artifact "Artifact Conservation" as N11 #EDE7F6
+circle " " as S0 #F2E6F5
+circle " " as S1 #F2E6F5
+circle " " as S2 #F2E6F5
+circle " " as M1 #ECCFF5
+N0 -[#CD8FF2]-> N1
+N1 -[#000000]-> N2
+N2 ..[#CB9BE1]..> N3
+N3 -[#7E57C2]-> N4
+N4 ..[#000000]..> N5
+N5 ..[#CB9BE1]..> N6
+N6 ..[#000000]..> N7
+N7 ..[#CD8FF2]..> N8
+N8 -[#CD8FF2]-> N9
+N9 ..[#7E57C2]..> N10
+N10 ..[#CB9BE1]..> N11
+nest0_0 -[#7E57C2]-> nest0_1
+N2 -[#000000]-> nest0_0
+nest0_1 -[#CD8FF2]-> N1
+nest1_0 -[#000000]-> nest1_1
+nest1_1 ..[#000000]..> nest1_2 : catalogs
+N9 -[#CD8FF2]-> nest1_0
+nest1_2 -[#CB9BE1]-> N11
+N4 ..[#7E57C2]..> S0
+S0 ..[#7E57C2]..> N8
+S0 -[#CB9BE1]-> N6
+S0 -[#000000]-> N10
+N0 -[#CB9BE1]-> S1
+S1 -[#7E57C2]-> N9 : buildings_maintains
+S1 ..[#7E57C2]..> N3
+S1 -[#CB9BE1]-> N5
+N6 -[#CD8FF2]-> S2
+S2 ..[#000000]..> N11
+S2 -[#000000]-> N8
+N3 ..[#CB9BE1]..> M1
+N1 -[#CB9BE1]-> M1
+N5 ..[#CB9BE1]..> M1
+M1 -[#CB9BE1]-> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_354.txt b/test/plantuml/graph_hard/plantuml_354.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a27334d8f20500b14245bb9db9227590d0a140d4
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_354.txt
@@ -0,0 +1,34 @@
+<Adaptive Reuse of Heritage Buildings, connectedTo, Intangible Cultural Heritage Preservation>
+<Augmented Reality Tours, connectedTo, Artifact Conservation>
+<Climate Change Impact on Heritage, connectedTo, Adaptive Reuse of Heritage Buildings>
+<Crowdsourcing for Heritage Data, connectedTo, Digital Documentation>
+<Crowdsourcing for Heritage Data, partOf, Indigenous Cultural Heritage Rights>
+<Dating Techniques, connectedTo, Sustainable Heritage Management>
+<Dating Techniques, partOf, Historical Research>
+<Digital Documentation, connectedTo, Intangible Cultural Heritage Preservation>
+<Digital Documentation, connectedTo, Material Analysis>
+<Disaster Preparedness for Heritage, connectedTo, Crowdsourcing for Heritage Data>
+<Disaster Preparedness for Heritage, partOf, Indigenous Cultural Heritage Rights>
+<Illicit Trafficking Control, connectedTo, Adaptive Reuse of Heritage Buildings>
+<Illicit Trafficking Control, connectedTo, Augmented Reality Tours>
+<Illicit Trafficking Control, connectedTo, Looting Prevention>
+<Illicit Trafficking Control, connectedTo, Oral History Collection>
+<Intangible Cultural Heritage Preservation, connectedTo, Augmented Reality Tours>
+<Intangible Cultural Heritage Preservation, connectedTo, Dating Techniques>
+<Looting Prevention, connectedTo, Intangible Cultural Heritage Preservation>
+<Looting Prevention, connectedTo, Oral History Collection>
+<Material Analysis, connectedTo, Disaster Preparedness for Heritage>
+<Material Analysis, connectedTo, Public Education Programs>
+<Oral History Collection, connectedTo, Adaptive Reuse of Heritage Buildings>
+<Oral History Collection, connectedTo, Artifact Conservation>
+<Oral History Collection, connectedTo, Climate Change Impact on Heritage>
+<Public Education Programs, connectedTo, Illicit Trafficking Control>
+<Public Education Programs, connectedTo, Intangible Cultural Heritage Preservation>
+<Remote Sensing for Heritage, buildings_maintains, Intangible Cultural Heritage Preservation>
+<Remote Sensing for Heritage, connectedTo, Digital Documentation>
+<Remote Sensing for Heritage, connectedTo, Looting Prevention>
+<Remote Sensing for Heritage, connectedTo, Public Education Programs>
+<Site Preservation, connectedTo, Artifact Conservation>
+<Site Preservation, partOf, Historical Research>
+<Sustainable Heritage Management, catalogs, Site Preservation>
+<Sustainable Heritage Management, partOf, Historical Research>
diff --git a/test/plantuml/graph_hard/plantuml_355.puml b/test/plantuml/graph_hard/plantuml_355.puml
new file mode 100644
index 0000000000000000000000000000000000000000..1e83c0a1d4305ca15bca14a5fbb7f049b05100b9
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_355.puml
@@ -0,0 +1,83 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Regulatory Frameworks" as Group0 #F3E5F5 {
+    rectangle "Synthetic Organism Design" as nest0_0 #FFE88D
+    database "CRISPR_Cas System Optimization" as nest0_1 #FFE88D
+}
+rectangle "Bio_computation" as Group1 #ECEFF1 {
+    folder "Biofoundry Operations" as nest1_0 #D0E0F8
+    frame "Microbial Factories" as nest1_1 #D0E0F8
+    cloud "Ethical Implications" as nest1_2 #D0E0F8
+    node "Biofuel Production" as nest1_3 #FDFCEB
+}
+component "Directed Evolution Automation" as N0 #FFE88D
+usecase "Biosecurity Protocols" as N1 #FFE88D
+cloud "Modular Biology Design" as N2 #FFE88D
+folder "Risk Assessment" as N3 #FDFCEB
+folder "Automated Biology Workflows" as N4 #FFE88D
+folder "Public Engagement" as N5 #D0E0F8
+folder "Metabolic Pathway Engineering" as N6 #FFE88D
+rectangle "Vaccine Synthesis" as N7 #FDFCEB
+rectangle "DNA Storage Technologies" as N8 #FFE88D
+artifact "Novel Enzyme Creation" as N9 #D0E0F8
+database "Bio_logic Gates" as N10 #FFE88D
+folder "Gene Therapy Delivery Systems" as N11 #FFE88D
+artifact "Computational Design of Biological Systems" as N12 #D0E0F8
+database "Gene Synthesis Platforms" as N13 #D0E0F8
+artifact "Synthetic Gene Networks" as N14 #FFE88D
+node "Biocontainment Strategies" as N15 #D0E0F8
+frame "Biosafety Level Management" as N16 #FDFCEB
+usecase "Bio_manufacturing" as N17 #FFE88D
+usecase "Drug Delivery Systems" as N18 #D0E0F8
+circle " " as S0 #FFE88D
+circle " " as S1 #D0E0F8
+circle " " as M0 #FFE88D
+circle " " as M1 #D0E0F8
+circle " " as M2 #D0E0F8
+N0 ..[#EAEFA5]..> N1
+N1 ..[#4285F4]..> N2
+N2 -[#000000]-> N3
+N3 -[#FFDA4E]-> N4
+N4 ..[#000000]..> N5
+N5 ..[#EAEFA5]..> N6
+N6 -[#EAEFA5]-> N7
+N7 -[#FFDA4E]-> N8
+N8 ..[#4285F4]..> N9
+N9 -[#000000]-> N10
+N10 -[#FFDA4E]-> N11
+N11 ..[#4285F4]..> N12
+N12 -[#EAEFA5]-> N13
+N13 -[#4285F4]-> N14
+N14 -[#EAEFA5]-> N15
+N15 -[#4285F4]-> N16
+N16 ..[#4285F4]..> N17
+N17 -[#EAEFA5]-> N18
+nest0_0 -[#4285F4]-> nest0_1
+N4 -[#4285F4]-> nest0_0
+nest0_1 ..[#000000]..> N4
+nest1_0 -[#EAEFA5]-> nest1_1
+nest1_1 ..[#EAEFA5]..> nest1_2
+nest1_2 -[#FFDA4E]-> nest1_3
+N10 ..[#4285F4]..> nest1_0
+nest1_3 ..[#FFDA4E]..> N14
+N5 ..[#4285F4]..> S0
+S0 ..[#4285F4]..> N14
+S0 -[#EAEFA5]-> N8
+S0 ..[#FFDA4E]..> N12
+N6 ..[#000000]..> S1
+S1 ..[#4285F4]..> N8
+S1 ..[#4285F4]..> N17
+S1 -[#000000]-> N9
+N9 -[#FFDA4E]-> M0
+N1 -[#EAEFA5]-> M0
+M0 ..[#4285F4]..> N17
+N5 ..[#000000]..> M1
+N1 ..[#4285F4]..> M1
+M1 -[#EAEFA5]-> N10
+N7 ..[#4285F4]..> M2
+N1 ..[#000000]..> M2
+N0 -[#FFDA4E]-> M2
+M2 -[#FFDA4E]-> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_355.txt b/test/plantuml/graph_hard/plantuml_355.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1c0f57964a137b80e13a1e7b57b026ed60994b3d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_355.txt
@@ -0,0 +1,45 @@
+<Automated Biology Workflows, connectedTo, Public Engagement>
+<Automated Biology Workflows, connectedTo, Synthetic Organism Design>
+<Bio_logic Gates, connectedTo, Biofoundry Operations>
+<Bio_logic Gates, connectedTo, Gene Therapy Delivery Systems>
+<Bio_manufacturing, connectedTo, Drug Delivery Systems>
+<Biocontainment Strategies, connectedTo, Biosafety Level Management>
+<Biofoundry Operations, connectedTo, Microbial Factories>
+<Biofoundry Operations, partOf, Bio_computation>
+<Biofuel Production, connectedTo, Synthetic Gene Networks>
+<Biofuel Production, partOf, Bio_computation>
+<Biosafety Level Management, connectedTo, Bio_manufacturing>
+<Biosecurity Protocols, connectedTo, Bio_logic Gates>
+<Biosecurity Protocols, connectedTo, Bio_manufacturing>
+<Biosecurity Protocols, connectedTo, Modular Biology Design>
+<Biosecurity Protocols, connectedTo, Novel Enzyme Creation>
+<CRISPR_Cas System Optimization, connectedTo, Automated Biology Workflows>
+<CRISPR_Cas System Optimization, partOf, Regulatory Frameworks>
+<Computational Design of Biological Systems, connectedTo, Gene Synthesis Platforms>
+<DNA Storage Technologies, connectedTo, Novel Enzyme Creation>
+<Directed Evolution Automation, connectedTo, Biosecurity Protocols>
+<Directed Evolution Automation, connectedTo, Novel Enzyme Creation>
+<Ethical Implications, connectedTo, Biofuel Production>
+<Ethical Implications, partOf, Bio_computation>
+<Gene Synthesis Platforms, connectedTo, Synthetic Gene Networks>
+<Gene Therapy Delivery Systems, connectedTo, Computational Design of Biological Systems>
+<Metabolic Pathway Engineering, connectedTo, Bio_manufacturing>
+<Metabolic Pathway Engineering, connectedTo, DNA Storage Technologies>
+<Metabolic Pathway Engineering, connectedTo, Novel Enzyme Creation>
+<Metabolic Pathway Engineering, connectedTo, Vaccine Synthesis>
+<Microbial Factories, connectedTo, Ethical Implications>
+<Microbial Factories, partOf, Bio_computation>
+<Modular Biology Design, connectedTo, Risk Assessment>
+<Novel Enzyme Creation, connectedTo, Bio_logic Gates>
+<Novel Enzyme Creation, connectedTo, Bio_manufacturing>
+<Public Engagement, connectedTo, Bio_logic Gates>
+<Public Engagement, connectedTo, Computational Design of Biological Systems>
+<Public Engagement, connectedTo, DNA Storage Technologies>
+<Public Engagement, connectedTo, Metabolic Pathway Engineering>
+<Public Engagement, connectedTo, Synthetic Gene Networks>
+<Risk Assessment, connectedTo, Automated Biology Workflows>
+<Synthetic Gene Networks, connectedTo, Biocontainment Strategies>
+<Synthetic Organism Design, connectedTo, CRISPR_Cas System Optimization>
+<Synthetic Organism Design, partOf, Regulatory Frameworks>
+<Vaccine Synthesis, connectedTo, DNA Storage Technologies>
+<Vaccine Synthesis, connectedTo, Novel Enzyme Creation>
diff --git a/test/plantuml/graph_hard/plantuml_356.puml b/test/plantuml/graph_hard/plantuml_356.puml
new file mode 100644
index 0000000000000000000000000000000000000000..e11b812d9e4f1e19f528fca43f64c5226f8b16fd
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_356.puml
@@ -0,0 +1,73 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Cellular Reprogramming" as Group0 #E3F2FD {
+    folder "Genome Engineering" as nest0_0 #E0F7FA
+    component "DNA Synthesis" as nest0_1 #E0F7FA
+}
+rectangle "Genetic Circuit Design" as Group1 #F1F8E9 {
+    usecase "Modular Biology Design" as nest1_0 #E0F7FA
+    frame "DNA Storage Technologies" as nest1_1 #FFF9C4
+    rectangle "Synthetic Gene Networks" as nest1_2 #FFCDD2
+    frame "Biofuel Production" as nest1_3 #FFCDD2
+}
+database "Vaccine Synthesis" as N0 #FFF9C4
+folder "Regulatory Frameworks" as N1 #FFF9C4
+folder "Bio_logic Gates" as N2 #E0F7FA
+rectangle "Bio_computation" as N3 #E0F7FA
+node "Bio_manufacturing" as N4 #FFCDD2
+rectangle "Gene Therapy Delivery Systems" as N5 #E0F7FA
+rectangle "Sustainable Chemical Production" as N6 #FFCDD2
+cloud "CRISPR_Cas System Optimization" as N7 #E0F7FA
+folder "Diagnostic Tool Development" as N8 #E0F7FA
+frame "Biosafety Level Management" as N9 #FFF9C4
+folder "Ethical Implications" as N10 #E0F7FA
+node "High_Throughput Screening" as N11 #E0F7FA
+component "Directed Evolution" as N12 #FFCDD2
+folder "Cell_Free Systems" as N13 #FFF9C4
+folder "Microbial Factories" as N14 #E0F7FA
+node "Biosecurity Protocols" as N15 #E0F7FA
+frame "Bioremediation Applications" as N16 #FFCDD2
+node "Metabolic Pathway Engineering" as N17 #E0F7FA
+cloud "Gene Synthesis Platforms" as N18 #E0F7FA
+circle " " as S0 #E0F7FA
+circle " " as S1 #E0F7FA
+circle " " as M0 #FFCDD2
+N0 ..[#00BCD4]..> N1
+N1 ..[#000000]..> N2
+N2 ..[#000000]..> N3
+N3 ..[#000000]..> N4
+N4 ..[#000000]..> N5
+N5 ..[#00BCD4]..> N6
+N6 -[#00BCD4]-> N7
+N7 ..[#F44336]..> N8
+N8 ..[#F44336]..> N9
+N9 -[#000000]-> N10
+N10 -[#F44336]-> N11
+N11 -[#000000]-> N12
+N12 ..[#F44336]..> N13
+N13 ..[#00BCD4]..> N14 : analyzes
+N14 -[#00BCD4]-> N15
+N15 -[#F44336]-> N16
+N16 -[#00BCD4]-> N17
+N17 -[#000000]-> N18
+nest0_0 ..[#F44336]..> nest0_1
+N9 ..[#00BCD4]..> nest0_0
+nest0_1 -[#F44336]-> N17
+nest1_0 -[#000000]-> nest1_1
+nest1_1 -[#F44336]-> nest1_2
+nest1_2 ..[#00BCD4]..> nest1_3
+N6 ..[#000000]..> nest1_0
+nest1_3 -[#00BCD4]-> N12
+N2 ..[#FFEB3B]..> S0
+S0 -[#F44336]-> N15
+S0 -[#F44336]-> N10
+N10 ..[#FFEB3B]..> S1
+S1 ..[#00BCD4]..> N13
+S1 ..[#00BCD4]..> N15
+N6 -[#00BCD4]-> M0
+N1 -[#00BCD4]-> M0
+N2 -[#00BCD4]-> M0
+M0 -[#F44336]-> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_356.txt b/test/plantuml/graph_hard/plantuml_356.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a583fccf47751ccfa0ad33f044f6f70598b84509
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_356.txt
@@ -0,0 +1,39 @@
+<Bio_computation, connectedTo, Bio_manufacturing>
+<Bio_logic Gates, connectedTo, Bio_computation>
+<Bio_logic Gates, connectedTo, Biosecurity Protocols>
+<Bio_logic Gates, connectedTo, Diagnostic Tool Development>
+<Bio_logic Gates, connectedTo, Ethical Implications>
+<Bio_manufacturing, connectedTo, Gene Therapy Delivery Systems>
+<Biofuel Production, connectedTo, Directed Evolution>
+<Biofuel Production, partOf, Genetic Circuit Design>
+<Bioremediation Applications, connectedTo, Metabolic Pathway Engineering>
+<Biosafety Level Management, connectedTo, Ethical Implications>
+<Biosafety Level Management, connectedTo, Genome Engineering>
+<Biosecurity Protocols, connectedTo, Bioremediation Applications>
+<CRISPR_Cas System Optimization, connectedTo, Diagnostic Tool Development>
+<Cell_Free Systems, analyzes, Microbial Factories>
+<DNA Storage Technologies, connectedTo, Synthetic Gene Networks>
+<DNA Storage Technologies, partOf, Genetic Circuit Design>
+<DNA Synthesis, connectedTo, Metabolic Pathway Engineering>
+<DNA Synthesis, partOf, Cellular Reprogramming>
+<Diagnostic Tool Development, connectedTo, Biosafety Level Management>
+<Directed Evolution, connectedTo, Cell_Free Systems>
+<Ethical Implications, connectedTo, Biosecurity Protocols>
+<Ethical Implications, connectedTo, Cell_Free Systems>
+<Ethical Implications, connectedTo, High_Throughput Screening>
+<Gene Therapy Delivery Systems, connectedTo, Sustainable Chemical Production>
+<Genome Engineering, connectedTo, DNA Synthesis>
+<Genome Engineering, partOf, Cellular Reprogramming>
+<High_Throughput Screening, connectedTo, Directed Evolution>
+<Metabolic Pathway Engineering, connectedTo, Gene Synthesis Platforms>
+<Microbial Factories, connectedTo, Biosecurity Protocols>
+<Modular Biology Design, connectedTo, DNA Storage Technologies>
+<Modular Biology Design, partOf, Genetic Circuit Design>
+<Regulatory Frameworks, connectedTo, Bio_logic Gates>
+<Regulatory Frameworks, connectedTo, Diagnostic Tool Development>
+<Sustainable Chemical Production, connectedTo, CRISPR_Cas System Optimization>
+<Sustainable Chemical Production, connectedTo, Diagnostic Tool Development>
+<Sustainable Chemical Production, connectedTo, Modular Biology Design>
+<Synthetic Gene Networks, connectedTo, Biofuel Production>
+<Synthetic Gene Networks, partOf, Genetic Circuit Design>
+<Vaccine Synthesis, connectedTo, Regulatory Frameworks>
diff --git a/test/plantuml/graph_hard/plantuml_357.puml b/test/plantuml/graph_hard/plantuml_357.puml
new file mode 100644
index 0000000000000000000000000000000000000000..03287ff26c3a23d78655c08201e1fc2e6569dbe1
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_357.puml
@@ -0,0 +1,67 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Gene Therapy Delivery Systems" as Group0 #E0F2F1 {
+    folder "Cell_Free Systems" as nest0_0 #F2E6F5
+    usecase "Biofuel Production" as nest0_1 #EFEBE9
+}
+rectangle "Directed Evolution Automation" as Group1 #E8F5E9 {
+    artifact "Biosafety Level Management" as nest1_0 #F2E6F5
+    frame "Bio_manufacturing" as nest1_1 #E1BEE7
+    usecase "DNA Storage Technologies" as nest1_2 #EFEBE9
+    component "Genome Engineering" as nest1_3 #E1BEE7
+}
+frame "Modular Biology Design" as N0 #F2E6F5
+folder "Bio_logic Gates" as N1 #EFEBE9
+cloud "Risk Assessment" as N2 #F2E6F5
+frame "Genetic Circuit Design" as N3 #F2E6F5
+folder "Drug Delivery Systems" as N4 #F2E6F5
+component "Biocontainment Strategies" as N5 #E1BEE7
+rectangle "Bioremediation Applications" as N6 #F2E6F5
+folder "Diagnostic Tool Development" as N7 #E1BEE7
+database "Automated Biology Workflows" as N8 #F2E6F5
+folder "Gene Synthesis Platforms" as N9 #F2E6F5
+usecase "Cellular Reprogramming" as N10 #EFEBE9
+usecase "Protein Design" as N11 #E1BEE7
+database "Biosecurity Protocols" as N12 #F2E6F5
+circle " " as S0 #F2E6F5
+circle " " as S1 #F2E6F5
+circle " " as S2 #E1BEE7
+circle " " as M1 #E1BEE7
+N0 -[#A1887F]-> N1
+N1 ..[#9C27B0]..> N2
+N2 -[#A1887F]-> N3
+N3 -[#CB9BE1]-> N4
+N4 ..[#9C27B0]..> N5
+N5 ..[#000000]..> N6
+N6 ..[#A1887F]..> N7
+N7 -[#A1887F]-> N8
+N8 ..[#9C27B0]..> N9
+N9 ..[#A1887F]..> N10
+N10 -[#CB9BE1]-> N11
+N11 -[#A1887F]-> N12
+nest0_0 -[#9C27B0]-> nest0_1
+N7 -[#000000]-> nest0_0
+nest0_1 ..[#A1887F]..> N9
+nest1_0 ..[#9C27B0]..> nest1_1
+nest1_1 ..[#CB9BE1]..> nest1_2
+nest1_2 -[#9C27B0]-> nest1_3
+N3 -[#A1887F]-> nest1_0
+nest1_3 -[#9C27B0]-> N10
+N0 -[#000000]-> S0
+S0 ..[#A1887F]..> N6
+S0 -[#CB9BE1]-> N2 : engineers
+S0 ..[#CB9BE1]..> N3
+S0 ..[#000000]..> N10
+N7 ..[#A1887F]..> S1
+S1 -[#A1887F]-> N9
+S1 -[#9C27B0]-> N10
+N0 -[#CB9BE1]-> S2
+S2 ..[#CB9BE1]..> N7
+S2 -[#9C27B0]-> N5
+N5 -[#A1887F]-> M1 : designs
+N2 ..[#CB9BE1]..> M1
+N3 -[#9C27B0]-> M1
+M1 -[#000000]-> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_357.txt b/test/plantuml/graph_hard/plantuml_357.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c3cf6091f598a1a96990e09b89c2815b16446f68
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_357.txt
@@ -0,0 +1,37 @@
+<Automated Biology Workflows, connectedTo, Gene Synthesis Platforms>
+<Bio_logic Gates, connectedTo, Risk Assessment>
+<Bio_manufacturing, connectedTo, DNA Storage Technologies>
+<Bio_manufacturing, partOf, Directed Evolution Automation>
+<Biocontainment Strategies, connectedTo, Bioremediation Applications>
+<Biocontainment Strategies, designs, Diagnostic Tool Development>
+<Biofuel Production, connectedTo, Gene Synthesis Platforms>
+<Biofuel Production, partOf, Gene Therapy Delivery Systems>
+<Bioremediation Applications, connectedTo, Diagnostic Tool Development>
+<Biosafety Level Management, connectedTo, Bio_manufacturing>
+<Biosafety Level Management, partOf, Directed Evolution Automation>
+<Cell_Free Systems, connectedTo, Biofuel Production>
+<Cell_Free Systems, partOf, Gene Therapy Delivery Systems>
+<Cellular Reprogramming, connectedTo, Protein Design>
+<DNA Storage Technologies, connectedTo, Genome Engineering>
+<DNA Storage Technologies, partOf, Directed Evolution Automation>
+<Diagnostic Tool Development, connectedTo, Automated Biology Workflows>
+<Diagnostic Tool Development, connectedTo, Cell_Free Systems>
+<Diagnostic Tool Development, connectedTo, Cellular Reprogramming>
+<Diagnostic Tool Development, connectedTo, Gene Synthesis Platforms>
+<Drug Delivery Systems, connectedTo, Biocontainment Strategies>
+<Gene Synthesis Platforms, connectedTo, Cellular Reprogramming>
+<Genetic Circuit Design, connectedTo, Biosafety Level Management>
+<Genetic Circuit Design, connectedTo, Diagnostic Tool Development>
+<Genetic Circuit Design, connectedTo, Drug Delivery Systems>
+<Genome Engineering, connectedTo, Cellular Reprogramming>
+<Genome Engineering, partOf, Directed Evolution Automation>
+<Modular Biology Design, connectedTo, Bio_logic Gates>
+<Modular Biology Design, connectedTo, Biocontainment Strategies>
+<Modular Biology Design, connectedTo, Bioremediation Applications>
+<Modular Biology Design, connectedTo, Cellular Reprogramming>
+<Modular Biology Design, connectedTo, Diagnostic Tool Development>
+<Modular Biology Design, connectedTo, Genetic Circuit Design>
+<Modular Biology Design, engineers, Risk Assessment>
+<Protein Design, connectedTo, Biosecurity Protocols>
+<Risk Assessment, connectedTo, Diagnostic Tool Development>
+<Risk Assessment, connectedTo, Genetic Circuit Design>
diff --git a/test/plantuml/graph_hard/plantuml_358.txt b/test/plantuml/graph_hard/plantuml_358.txt
new file mode 100644
index 0000000000000000000000000000000000000000..19d39531b94b11acfb1b2b5817c8c1963be7c2d6
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_358.txt
@@ -0,0 +1,41 @@
+<Accessibility in EdTech, connectedTo, Online Tutoring Platforms>
+<Assessment Tools, connectedTo, Learning Management System Development>
+<Badging and Certification Systems, connectedTo, EdTech Hardware Solutions>
+<Blockchain for Educational Credentials, connectedTo, Virtual Reality in Education>
+<Collaborative Learning Platforms, connectedTo, Accessibility in EdTech>
+<Data Privacy in Education, connectedTo, Teacher Training Platforms>
+<Data Privacy in Education, partOf, Competency_Based Learning Platforms>
+<EdTech Hardware Solutions, connectedTo, Blockchain for Educational Credentials>
+<EdTech Hardware Solutions, connectedTo, Open Educational Resources>
+<Educational Apps Development, connectedTo, Formative Assessment Tools>
+<Educational Apps Development, connectedTo, Virtual Labs>
+<Educational Data Mining, connectedTo, Student Information Systems>
+<Educational Data Mining, manages, Open Educational Resources>
+<Formative Assessment Tools, connectedTo, Assessment Tools>
+<Formative Assessment Tools, connectedTo, Educational Data Mining>
+<Gamified Learning, connectedTo, Personalized Learning Paths>
+<Gamified Learning, partOf, E_Learning Platform Design>
+<Interactive Content Creation, connectedTo, Assessment Tools>
+<Interactive Content Creation, connectedTo, Educational Apps Development>
+<Interactive Content Creation, connectedTo, Open Educational Resources>
+<Learning Management System Development, connectedTo, Blockchain for Educational Credentials>
+<Learning Management System Development, connectedTo, Collaborative Learning Platforms>
+<Learning Management System Development, connectedTo, Online Tutoring Platforms>
+<Learning Management System Development, learning_gamifies, Virtual Classrooms>
+<Learning Management System Development, licenses, EdTech Hardware Solutions>
+<Learning Management System Development, outcomes_improves, Professional Development for Educators>
+<Machine Learning for Learning Analytics, connectedTo, Open Educational Resources>
+<Open Educational Resources, connectedTo, Collaborative Learning Platforms>
+<Personalized Learning Paths, partOf, E_Learning Platform Design>
+<Personalized Learning Paths, platforms_builds, Learning Management System Development>
+<Professional Development for Educators, connectedTo, Data Privacy in Education>
+<Professional Development for Educators, connectedTo, Machine Learning for Learning Analytics>
+<Student Information Systems, connectedTo, Assessment Tools>
+<Student Performance Tracking, connectedTo, Open Educational Resources>
+<Student Performance Tracking, partOf, Competency_Based Learning Platforms>
+<Teacher Training Platforms, connectedTo, Student Performance Tracking>
+<Teacher Training Platforms, partOf, Competency_Based Learning Platforms>
+<Virtual Classrooms, connectedTo, Badging and Certification Systems>
+<Virtual Labs, connectedTo, Gamified Learning>
+<Virtual Labs, partOf, E_Learning Platform Design>
+<Virtual Reality in Education, connectedTo, Professional Development for Educators>
diff --git a/test/plantuml/graph_hard/plantuml_359.puml b/test/plantuml/graph_hard/plantuml_359.puml
new file mode 100644
index 0000000000000000000000000000000000000000..9087517b5f00d2c7beef4a13480dd97342b178d0
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_359.puml
@@ -0,0 +1,64 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Teacher Training Platforms" as Group0 #E3F2FD {
+    usecase "Machine Learning for Learning Analytics" as nest0_0 #FFFAE0
+    artifact "Professional Development for Educators" as nest0_1 #FFFDE0
+    usecase "Competency_Based Learning Platforms" as nest0_2 #FFFDE0
+}
+rectangle "Learning Design Principles" as Group1 #E0F2F1 {
+    database "Collaborative Learning Platforms" as nest1_0 #FFFDE0
+    frame "Student Information Systems" as nest1_1 #F9FBE7
+}
+component "Open Educational Resources" as N0 #FFFDE0
+usecase "Digital Textbooks" as N1 #FFFDE0
+component "Student Performance Tracking" as N2 #FFFAE0
+rectangle "Social_Emotional Learning Tools" as N3 #FFFAE0
+folder "E_Learning Platform Design" as N4 #FFFDE0
+cloud "Massive Open Online Courses" as N5 #FFFAE0
+database "Accessibility in EdTech" as N6 #F9FBE7
+cloud "Parent Engagement Tools" as N7 #FFFAE0
+folder "Formative Assessment Tools" as N8 #F9FBE7
+artifact "Learning Analytics Dashboards" as N9 #F9FBE7
+cloud "Blockchain for Educational Credentials" as N10 #F9FBE7
+rectangle "Personalized Learning Paths" as N11 #F9FBE7
+node "Remote Learning Solutions" as N12 #FFFAE0
+database "Gamified Learning" as N13 #F9FBE7
+frame "Badging and Certification Systems" as N14 #FFFDE0
+circle " " as S0 #FFFDE0
+circle " " as S1 #FFFAE0
+circle " " as M1 #FFFDE0
+N0 -[#FFF8A6]-> N1
+N1 ..[#000000]..> N2
+N2 -[#C0CA33]-> N3
+N3 -[#C0CA33]-> N4
+N4 ..[#C0CA33]..> N5
+N5 ..[#000000]..> N6
+N6 -[#000000]-> N7
+N7 ..[#C0CA33]..> N8
+N8 -[#C0CA33]-> N9
+N9 -[#000000]-> N10
+N10 ..[#C0CA33]..> N11
+N11 -[#FFE470]-> N12
+N12 ..[#C0CA33]..> N13
+N13 ..[#FFE470]..> N14
+nest0_0 ..[#FFE470]..> nest0_1
+nest0_1 ..[#FFF8A6]..> nest0_2
+N12 ..[#FFE470]..> nest0_0
+nest0_2 -[#C0CA33]-> N7
+nest1_0 ..[#FFF8A6]..> nest1_1
+N5 -[#C0CA33]-> nest1_0
+nest1_1 -[#C0CA33]-> N14
+N7 ..[#000000]..> S0
+S0 ..[#000000]..> N13
+S0 -[#FFE470]-> N12
+S0 ..[#C0CA33]..> N14
+N8 -[#FFF8A6]-> S1
+S1 -[#000000]-> N13
+S1 -[#FFF8A6]-> N12
+S1 ..[#FFE470]..> N11
+N3 ..[#FFF8A6]..> M1
+N5 ..[#FFE470]..> M1
+M1 ..[#000000]..> N14
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_359.txt b/test/plantuml/graph_hard/plantuml_359.txt
new file mode 100644
index 0000000000000000000000000000000000000000..51d1056f0dd88d6e735113a93a801535d30cb018
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_359.txt
@@ -0,0 +1,34 @@
+<Accessibility in EdTech, connectedTo, Parent Engagement Tools>
+<Blockchain for Educational Credentials, connectedTo, Personalized Learning Paths>
+<Collaborative Learning Platforms, connectedTo, Student Information Systems>
+<Collaborative Learning Platforms, partOf, Learning Design Principles>
+<Competency_Based Learning Platforms, connectedTo, Parent Engagement Tools>
+<Competency_Based Learning Platforms, partOf, Teacher Training Platforms>
+<Digital Textbooks, connectedTo, Student Performance Tracking>
+<E_Learning Platform Design, connectedTo, Massive Open Online Courses>
+<Formative Assessment Tools, connectedTo, Gamified Learning>
+<Formative Assessment Tools, connectedTo, Learning Analytics Dashboards>
+<Formative Assessment Tools, connectedTo, Personalized Learning Paths>
+<Formative Assessment Tools, connectedTo, Remote Learning Solutions>
+<Gamified Learning, connectedTo, Badging and Certification Systems>
+<Learning Analytics Dashboards, connectedTo, Blockchain for Educational Credentials>
+<Machine Learning for Learning Analytics, connectedTo, Professional Development for Educators>
+<Machine Learning for Learning Analytics, partOf, Teacher Training Platforms>
+<Massive Open Online Courses, connectedTo, Accessibility in EdTech>
+<Massive Open Online Courses, connectedTo, Badging and Certification Systems>
+<Massive Open Online Courses, connectedTo, Collaborative Learning Platforms>
+<Open Educational Resources, connectedTo, Digital Textbooks>
+<Parent Engagement Tools, connectedTo, Badging and Certification Systems>
+<Parent Engagement Tools, connectedTo, Formative Assessment Tools>
+<Parent Engagement Tools, connectedTo, Gamified Learning>
+<Parent Engagement Tools, connectedTo, Remote Learning Solutions>
+<Personalized Learning Paths, connectedTo, Remote Learning Solutions>
+<Professional Development for Educators, connectedTo, Competency_Based Learning Platforms>
+<Professional Development for Educators, partOf, Teacher Training Platforms>
+<Remote Learning Solutions, connectedTo, Gamified Learning>
+<Remote Learning Solutions, connectedTo, Machine Learning for Learning Analytics>
+<Social_Emotional Learning Tools, connectedTo, Badging and Certification Systems>
+<Social_Emotional Learning Tools, connectedTo, E_Learning Platform Design>
+<Student Information Systems, connectedTo, Badging and Certification Systems>
+<Student Information Systems, partOf, Learning Design Principles>
+<Student Performance Tracking, connectedTo, Social_Emotional Learning Tools>
diff --git a/test/plantuml/graph_hard/plantuml_36.puml b/test/plantuml/graph_hard/plantuml_36.puml
new file mode 100644
index 0000000000000000000000000000000000000000..c17b0ae2d047e2b2b07017f61e7e51a405f35988
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_36.puml
@@ -0,0 +1,76 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Visa Application" as Group0 #FCE4EC {
+    frame "Lost and Found Service" as nest0_0 #B3E5FC
+    frame "Travel Blog Creation" as nest0_1 #CFD8DC
+}
+rectangle "Flight Booking" as Group1 #E0F2F1 {
+    frame "Museum Visit" as nest1_0 #EFEBE9
+    artifact "Passport Renewal Assistance" as nest1_1 #B3E5FC
+    artifact "Itinerary Planning" as nest1_2 #CFD8DC
+    folder "Custom Tour Package Creation" as nest1_3 #EFEBE9
+}
+folder "Historical Site Exploration" as N0 #EFEBE9
+database "Emergency Assistance" as N1 #EFEBE9
+rectangle "Return Trip" as N2 #CFD8DC
+node "Feedback Collection" as N3 #CFD8DC
+node "Photo Capture" as N4 #CFD8DC
+component "Loyalty Program Enrollment" as N5 #B3E5FC
+rectangle "Tourist Information Desk" as N6 #EFEBE9
+folder "Currency Exchange" as N7 #B3E5FC
+folder "Duty_Free Shopping" as N8 #CFD8DC
+usecase "Adventure Sports Booking" as N9 #CFD8DC
+usecase "Sightseeing Scheduling" as N10 #B3E5FC
+artifact "Tour Guide Assignment" as N11 #EFEBE9
+artifact "Travel Insurance" as N12 #CFD8DC
+node "Language Translation Service" as N13 #B3E5FC
+folder "Cruise Ship Boarding" as N14 #EFEBE9
+rectangle "Concert Ticketing" as N15 #EFEBE9
+node "Baggage Handling" as N16 #CFD8DC
+component "Local Transport" as N17 #EFEBE9
+usecase "Trip Sharing" as N18 #B3E5FC
+circle " " as S0 #CFD8DC
+circle " " as S1 #EFEBE9
+circle " " as M1 #EFEBE9
+N0 -[#000000]-> N1 : experiences
+N1 -[#000000]-> N2
+N2 -[#03A9F4]-> N3
+N3 -[#000000]-> N4
+N4 ..[#A1887F]..> N5
+N5 ..[#A1887F]..> N6
+N6 ..[#A1887F]..> N7
+N7 -[#A1887F]-> N8
+N8 ..[#000000]..> N9
+N9 ..[#03A9F4]..> N10
+N10 -[#607D8B]-> N11
+N11 -[#A1887F]-> N12
+N12 -[#000000]-> N13
+N13 -[#A1887F]-> N14
+N14 -[#607D8B]-> N15
+N15 -[#607D8B]-> N16
+N16 ..[#03A9F4]..> N17
+N17 -[#03A9F4]-> N18
+nest0_0 -[#607D8B]-> nest0_1
+N9 ..[#000000]..> nest0_0 : applies
+nest0_1 ..[#607D8B]..> N18
+nest1_0 ..[#03A9F4]..> nest1_1
+nest1_1 -[#607D8B]-> nest1_2
+nest1_2 ..[#A1887F]..> nest1_3
+N14 -[#000000]-> nest1_0
+nest1_3 ..[#A1887F]..> N10
+N8 -[#A1887F]-> S0
+S0 -[#A1887F]-> N13
+S0 ..[#A1887F]..> N15
+S0 ..[#000000]..> N12
+S0 ..[#A1887F]..> N16
+N4 ..[#000000]..> S1
+S1 ..[#A1887F]..> N6
+S1 ..[#A1887F]..> N14
+S1 ..[#A1887F]..> N12
+N3 -[#000000]-> M1
+N0 ..[#A1887F]..> M1
+N5 ..[#000000]..> M1 : documents
+M1 ..[#000000]..> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_36.txt b/test/plantuml/graph_hard/plantuml_36.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f05015a35284b1870723a9fb729b93512941d0d9
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_36.txt
@@ -0,0 +1,42 @@
+<Adventure Sports Booking, applies, Lost and Found Service>
+<Adventure Sports Booking, connectedTo, Sightseeing Scheduling>
+<Baggage Handling, connectedTo, Local Transport>
+<Concert Ticketing, connectedTo, Baggage Handling>
+<Cruise Ship Boarding, connectedTo, Concert Ticketing>
+<Cruise Ship Boarding, connectedTo, Museum Visit>
+<Currency Exchange, connectedTo, Duty_Free Shopping>
+<Custom Tour Package Creation, connectedTo, Sightseeing Scheduling>
+<Custom Tour Package Creation, partOf, Flight Booking>
+<Duty_Free Shopping, connectedTo, Adventure Sports Booking>
+<Duty_Free Shopping, connectedTo, Baggage Handling>
+<Duty_Free Shopping, connectedTo, Concert Ticketing>
+<Duty_Free Shopping, connectedTo, Language Translation Service>
+<Duty_Free Shopping, connectedTo, Travel Insurance>
+<Emergency Assistance, connectedTo, Return Trip>
+<Feedback Collection, connectedTo, Currency Exchange>
+<Feedback Collection, connectedTo, Photo Capture>
+<Historical Site Exploration, connectedTo, Currency Exchange>
+<Historical Site Exploration, experiences, Emergency Assistance>
+<Itinerary Planning, connectedTo, Custom Tour Package Creation>
+<Itinerary Planning, partOf, Flight Booking>
+<Language Translation Service, connectedTo, Cruise Ship Boarding>
+<Local Transport, connectedTo, Trip Sharing>
+<Lost and Found Service, connectedTo, Travel Blog Creation>
+<Lost and Found Service, partOf, Visa Application>
+<Loyalty Program Enrollment, connectedTo, Tourist Information Desk>
+<Loyalty Program Enrollment, documents, Currency Exchange>
+<Museum Visit, connectedTo, Passport Renewal Assistance>
+<Museum Visit, partOf, Flight Booking>
+<Passport Renewal Assistance, connectedTo, Itinerary Planning>
+<Passport Renewal Assistance, partOf, Flight Booking>
+<Photo Capture, connectedTo, Cruise Ship Boarding>
+<Photo Capture, connectedTo, Loyalty Program Enrollment>
+<Photo Capture, connectedTo, Tourist Information Desk>
+<Photo Capture, connectedTo, Travel Insurance>
+<Return Trip, connectedTo, Feedback Collection>
+<Sightseeing Scheduling, connectedTo, Tour Guide Assignment>
+<Tour Guide Assignment, connectedTo, Travel Insurance>
+<Tourist Information Desk, connectedTo, Currency Exchange>
+<Travel Blog Creation, connectedTo, Trip Sharing>
+<Travel Blog Creation, partOf, Visa Application>
+<Travel Insurance, connectedTo, Language Translation Service>
diff --git a/test/plantuml/graph_hard/plantuml_360.puml b/test/plantuml/graph_hard/plantuml_360.puml
new file mode 100644
index 0000000000000000000000000000000000000000..99696bc6be008986ebe8a31a775f6ffd5e0e957a
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_360.puml
@@ -0,0 +1,80 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Interactive Content Creation" as Group0 #E0F2F1 {
+    database "Personalized Learning Paths" as nest0_0 #B3E5FC
+    folder "Digital Textbooks" as nest0_1 #E3F2FD
+    component "AI in Education" as nest0_2 #FCE4EC
+}
+rectangle "Gamified Learning" as Group1 #FCE4EC {
+    cloud "Teacher Training Platforms" as nest1_0 #FCE4EC
+    component "Cybersecurity for EdTech" as nest1_1 #B3E5FC
+}
+database "Learning Analytics Dashboards" as N0 #B3E5FC
+artifact "Educational Data Mining" as N1 #E3F2FD
+frame "Virtual Labs" as N2 #B3E5FC
+frame "Virtual Classrooms" as N3 #FCE4EC
+artifact "Online Tutoring Platforms" as N4 #E3F2FD
+node "Virtual Reality in Education" as N5 #FCE4EC
+rectangle "Parent Engagement Tools" as N6 #E3F2FD
+frame "Educational Robotics" as N7 #FCE4EC
+node "Machine Learning for Learning Analytics" as N8 #FCE4EC
+frame "Augmented Reality in Education" as N9 #FCE4EC
+folder "Student Performance Tracking" as N10 #FCE4EC
+frame "Data Privacy in Education" as N11 #E3F2FD
+component "Simulations for Learning" as N12 #FCE4EC
+rectangle "Learning Management System Development" as N13 #B3E5FC
+artifact "Badging and Certification Systems" as N14 #B3E5FC
+database "Curriculum Digitization" as N15 #FCE4EC
+artifact "Competency_Based Learning Platforms" as N16 #B3E5FC
+component "Open Educational Resources" as N17 #FCE4EC
+folder "Formative Assessment Tools" as N18 #B3E5FC
+circle " " as S0 #B3E5FC
+circle " " as S1 #FCE4EC
+circle " " as M0 #FCE4EC
+circle " " as M1 #FCE4EC
+circle " " as M2 #E3F2FD
+N0 -[#E91E63]-> N1
+N1 -[#E91E63]-> N2
+N2 -[#000000]-> N3
+N3 ..[#03A9F4]..> N4
+N4 ..[#E91E63]..> N5
+N5 ..[#000000]..> N6
+N6 ..[#64B5F6]..> N7
+N7 ..[#03A9F4]..> N8
+N8 ..[#E91E63]..> N9
+N9 -[#64B5F6]-> N10 : parents_engages
+N10 -[#64B5F6]-> N11
+N11 ..[#000000]..> N12
+N12 ..[#000000]..> N13
+N13 ..[#000000]..> N14
+N14 ..[#000000]..> N15
+N15 ..[#03A9F4]..> N16
+N16 ..[#E91E63]..> N17
+N17 -[#000000]-> N18
+nest0_0 -[#000000]-> nest0_1
+nest0_1 -[#E91E63]-> nest0_2 : analyzes
+N4 ..[#64B5F6]..> nest0_0
+nest0_2 -[#E91E63]-> N15
+nest1_0 ..[#E91E63]..> nest1_1
+N10 ..[#000000]..> nest1_0
+nest1_1 -[#E91E63]-> N11
+N12 -[#03A9F4]-> S0
+S0 ..[#03A9F4]..> N14
+S0 ..[#E91E63]..> N17
+N1 ..[#03A9F4]..> S1
+S1 -[#64B5F6]-> N8
+S1 ..[#64B5F6]..> N13
+N12 ..[#64B5F6]..> M0
+N5 ..[#03A9F4]..> M0
+N7 ..[#000000]..> M0
+M0 -[#E91E63]-> N18
+N2 ..[#000000]..> M1
+N0 ..[#000000]..> M1 : licenses
+N1 -[#000000]-> M1
+M1 ..[#000000]..> N5
+N0 ..[#64B5F6]..> M2 : markets
+N1 ..[#E91E63]..> M2
+M2 -[#64B5F6]-> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_360.txt b/test/plantuml/graph_hard/plantuml_360.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e0883f2ecc17f64e04612f3c6aa839664f57a4be
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_360.txt
@@ -0,0 +1,42 @@
+<AI in Education, connectedTo, Curriculum Digitization>
+<AI in Education, partOf, Interactive Content Creation>
+<Augmented Reality in Education, parents_engages, Student Performance Tracking>
+<Badging and Certification Systems, connectedTo, Curriculum Digitization>
+<Competency_Based Learning Platforms, connectedTo, Open Educational Resources>
+<Curriculum Digitization, connectedTo, Competency_Based Learning Platforms>
+<Cybersecurity for EdTech, connectedTo, Data Privacy in Education>
+<Cybersecurity for EdTech, partOf, Gamified Learning>
+<Data Privacy in Education, connectedTo, Simulations for Learning>
+<Digital Textbooks, analyzes, AI in Education>
+<Digital Textbooks, partOf, Interactive Content Creation>
+<Educational Data Mining, connectedTo, Learning Management System Development>
+<Educational Data Mining, connectedTo, Machine Learning for Learning Analytics>
+<Educational Data Mining, connectedTo, Virtual Classrooms>
+<Educational Data Mining, connectedTo, Virtual Labs>
+<Educational Data Mining, connectedTo, Virtual Reality in Education>
+<Educational Robotics, connectedTo, Formative Assessment Tools>
+<Educational Robotics, connectedTo, Machine Learning for Learning Analytics>
+<Learning Analytics Dashboards, connectedTo, Educational Data Mining>
+<Learning Analytics Dashboards, licenses, Virtual Reality in Education>
+<Learning Analytics Dashboards, markets, Virtual Classrooms>
+<Learning Management System Development, connectedTo, Badging and Certification Systems>
+<Machine Learning for Learning Analytics, connectedTo, Augmented Reality in Education>
+<Online Tutoring Platforms, connectedTo, Personalized Learning Paths>
+<Online Tutoring Platforms, connectedTo, Virtual Reality in Education>
+<Open Educational Resources, connectedTo, Formative Assessment Tools>
+<Parent Engagement Tools, connectedTo, Educational Robotics>
+<Personalized Learning Paths, connectedTo, Digital Textbooks>
+<Personalized Learning Paths, partOf, Interactive Content Creation>
+<Simulations for Learning, connectedTo, Badging and Certification Systems>
+<Simulations for Learning, connectedTo, Formative Assessment Tools>
+<Simulations for Learning, connectedTo, Learning Management System Development>
+<Simulations for Learning, connectedTo, Open Educational Resources>
+<Student Performance Tracking, connectedTo, Data Privacy in Education>
+<Student Performance Tracking, connectedTo, Teacher Training Platforms>
+<Teacher Training Platforms, connectedTo, Cybersecurity for EdTech>
+<Teacher Training Platforms, partOf, Gamified Learning>
+<Virtual Classrooms, connectedTo, Online Tutoring Platforms>
+<Virtual Labs, connectedTo, Virtual Classrooms>
+<Virtual Labs, connectedTo, Virtual Reality in Education>
+<Virtual Reality in Education, connectedTo, Formative Assessment Tools>
+<Virtual Reality in Education, connectedTo, Parent Engagement Tools>
diff --git a/test/plantuml/graph_hard/plantuml_37.puml b/test/plantuml/graph_hard/plantuml_37.puml
new file mode 100644
index 0000000000000000000000000000000000000000..cf829e990ef19948869280847f3d6a1f79d674a6
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_37.puml
@@ -0,0 +1,68 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Property Insurance" as Group0 #FCE4EC {
+    cloud "Contract Review" as nest0_0 #F3E5F5
+    cloud "Buyer Inquiry" as nest0_1 #E4E0DF
+}
+rectangle "Open House Event" as Group1 #ECEFF1 {
+    folder "Zoning Compliance" as nest1_0 #ECEFF1
+    cloud "Commercial Lease Negotiation" as nest1_1 #E4E0DF
+}
+rectangle "Property Listing" as N0 #F3E5F5
+folder "Document Signing" as N1 #E4E0DF
+usecase "Offer Submission" as N2 #ECEFF1
+artifact "HOA Management" as N3 #F3E5F5
+artifact "Eviction Process" as N4 #F3E5F5
+cloud "Legal Verification" as N5 #F3E5F5
+artifact "Tenant Screening" as N6 #ECEFF1
+cloud "Virtual Tour Creation" as N7 #E4E0DF
+frame "Site Visit Scheduling" as N8 #F3E5F5
+folder "Maintenance Request" as N9 #ECEFF1
+rectangle "Escrow Setup" as N10 #F3E5F5
+folder "Commission Distribution" as N11 #E4E0DF
+rectangle "Investment Property Analysis" as N12 #ECEFF1
+usecase "Property Tax Payment" as N13 #ECEFF1
+node "Lease Renewal" as N14 #F3E5F5
+folder "Brokerage License Renewal" as N15 #ECEFF1
+node "Home Inspection" as N16 #F3E5F5
+circle " " as S0 #E4E0DF
+circle " " as M0 #F3E5F5
+circle " " as M1 #F3E5F5
+circle " " as M2 #E4E0DF
+N0 ..[#BDAFA8]..> N1
+N1 -[#000000]-> N2
+N2 -[#AB47BC]-> N3
+N3 -[#90A4AE]-> N4
+N4 ..[#90A4AE]..> N5
+N5 -[#000000]-> N6
+N6 ..[#000000]..> N7
+N7 ..[#AB47BC]..> N8
+N8 ..[#BDAFA8]..> N9
+N9 ..[#BDAFA8]..> N10
+N10 -[#90A4AE]-> N11
+N11 ..[#90A4AE]..> N12
+N12 ..[#AB47BC]..> N13
+N13 ..[#BDAFA8]..> N14
+N14 -[#AB47BC]-> N15
+N15 -[#BDAFA8]-> N16
+nest0_0 ..[#AB47BC]..> nest0_1
+N12 ..[#90A4AE]..> nest0_0
+nest0_1 ..[#AB47BC]..> N16
+nest1_0 -[#000000]-> nest1_1
+N14 -[#BDAFA8]-> nest1_0
+nest1_1 -[#AB47BC]-> N11
+N7 -[#AB47BC]-> S0
+S0 -[#000000]-> N12
+S0 -[#90A4AE]-> N13
+N1 ..[#000000]..> M0
+N10 -[#BDAFA8]-> M0
+M0 ..[#90A4AE]..> N13
+N1 ..[#000000]..> M1
+N0 -[#000000]-> M1
+M1 ..[#BDAFA8]..> N3
+N6 -[#BDAFA8]-> M2
+N11 ..[#AB47BC]..> M2
+M2 ..[#BDAFA8]..> N16
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_37.txt b/test/plantuml/graph_hard/plantuml_37.txt
new file mode 100644
index 0000000000000000000000000000000000000000..945f469e5a3fcc0a827bcc8a7d0d8e2a79fededf
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_37.txt
@@ -0,0 +1,34 @@
+<Brokerage License Renewal, connectedTo, Home Inspection>
+<Buyer Inquiry, connectedTo, Home Inspection>
+<Buyer Inquiry, partOf, Property Insurance>
+<Commercial Lease Negotiation, connectedTo, Commission Distribution>
+<Commercial Lease Negotiation, partOf, Open House Event>
+<Commission Distribution, connectedTo, Home Inspection>
+<Commission Distribution, connectedTo, Investment Property Analysis>
+<Contract Review, connectedTo, Buyer Inquiry>
+<Contract Review, partOf, Property Insurance>
+<Document Signing, connectedTo, HOA Management>
+<Document Signing, connectedTo, Offer Submission>
+<Document Signing, connectedTo, Property Tax Payment>
+<Escrow Setup, connectedTo, Commission Distribution>
+<Escrow Setup, connectedTo, Property Tax Payment>
+<Eviction Process, connectedTo, Legal Verification>
+<HOA Management, connectedTo, Eviction Process>
+<Investment Property Analysis, connectedTo, Contract Review>
+<Investment Property Analysis, connectedTo, Property Tax Payment>
+<Lease Renewal, connectedTo, Brokerage License Renewal>
+<Lease Renewal, connectedTo, Zoning Compliance>
+<Legal Verification, connectedTo, Tenant Screening>
+<Maintenance Request, connectedTo, Escrow Setup>
+<Offer Submission, connectedTo, HOA Management>
+<Property Listing, connectedTo, Document Signing>
+<Property Listing, connectedTo, HOA Management>
+<Property Tax Payment, connectedTo, Lease Renewal>
+<Site Visit Scheduling, connectedTo, Maintenance Request>
+<Tenant Screening, connectedTo, Home Inspection>
+<Tenant Screening, connectedTo, Virtual Tour Creation>
+<Virtual Tour Creation, connectedTo, Investment Property Analysis>
+<Virtual Tour Creation, connectedTo, Property Tax Payment>
+<Virtual Tour Creation, connectedTo, Site Visit Scheduling>
+<Zoning Compliance, connectedTo, Commercial Lease Negotiation>
+<Zoning Compliance, partOf, Open House Event>
diff --git a/test/plantuml/graph_hard/plantuml_38.puml b/test/plantuml/graph_hard/plantuml_38.puml
new file mode 100644
index 0000000000000000000000000000000000000000..dd03638e2e85197c3f96acbbdffe4857ed50c298
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_38.puml
@@ -0,0 +1,71 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Tenant Screening" as Group0 #E0F2F1 {
+    database "Maintenance Request" as nest0_0 #FCE4EC
+    usecase "Loan Pre_Approval" as nest0_1 #C8EDFF
+    artifact "Open House Event" as nest0_2 #B3E5FC
+}
+rectangle "Property Tax Payment" as Group1 #E3F2FD {
+    rectangle "Ownership Transfer" as nest1_0 #FCE4EC
+    database "Site Visit Scheduling" as nest1_1 #B3E5FC
+    cloud "Land Acquisition" as nest1_2 #FCE4EC
+    frame "Price Negotiation" as nest1_3 #FCE4EC
+}
+component "Lease Renewal" as N0 #B3E5FC
+node "Agent Assignment" as N1 #B3E5FC
+artifact "Investment Property Analysis" as N2 #FCE4EC
+frame "Brokerage License Renewal" as N3 #FCE4EC
+cloud "Closing Meeting" as N4 #B3E5FC
+component "Contract Review" as N5 #B3E5FC
+rectangle "Property Listing" as N6 #B3E5FC
+component "Market Trend Analysis" as N7 #B3E5FC
+database "HOA Management" as N8 #FCE4EC
+rectangle "Home Inspection" as N9 #B3E5FC
+component "Property Marketing" as N10 #C8EDFF
+component "Building Permit Application" as N11 #C8EDFF
+folder "Property Insurance" as N12 #FCE4EC
+folder "Property Appraisal" as N13 #B3E5FC
+database "Commission Distribution" as N14 #FCE4EC
+circle " " as S0 #FCE4EC
+circle " " as S1 #B3E5FC
+circle " " as S2 #FCE4EC
+circle " " as M0 #FCE4EC
+N0 -[#E91E63]-> N1
+N1 ..[#03A9F4]..> N2
+N2 -[#000000]-> N3
+N3 ..[#82DAFF]..> N4
+N4 -[#E91E63]-> N5
+N5 -[#82DAFF]-> N6
+N6 -[#03A9F4]-> N7
+N7 ..[#000000]..> N8
+N8 -[#82DAFF]-> N9
+N9 -[#000000]-> N10
+N10 ..[#82DAFF]..> N11
+N11 -[#03A9F4]-> N12
+N12 ..[#03A9F4]..> N13
+N13 ..[#82DAFF]..> N14
+nest0_0 ..[#82DAFF]..> nest0_1
+nest0_1 ..[#000000]..> nest0_2
+N12 -[#82DAFF]-> nest0_0
+nest0_2 ..[#E91E63]..> N2
+nest1_0 ..[#82DAFF]..> nest1_1
+nest1_1 ..[#E91E63]..> nest1_2
+nest1_2 -[#000000]-> nest1_3
+N6 ..[#000000]..> nest1_0 : assigns
+nest1_3 -[#000000]-> N6
+N6 -[#E91E63]-> S0
+S0 ..[#E91E63]..> N11
+S0 ..[#000000]..> N8
+N5 ..[#E91E63]..> S1
+S1 ..[#000000]..> N10
+S1 -[#03A9F4]-> N11
+S1 -[#82DAFF]-> N14
+N2 ..[#000000]..> S2
+S2 -[#82DAFF]-> N6
+S2 ..[#03A9F4]..> N4
+N1 ..[#E91E63]..> M0
+N6 ..[#82DAFF]..> M0
+M0 -[#03A9F4]-> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_38.txt b/test/plantuml/graph_hard/plantuml_38.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8dfd66c02cb820a70de8c35498415f20fba69493
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_38.txt
@@ -0,0 +1,39 @@
+<Agent Assignment, connectedTo, Home Inspection>
+<Agent Assignment, connectedTo, Investment Property Analysis>
+<Brokerage License Renewal, connectedTo, Closing Meeting>
+<Building Permit Application, connectedTo, Property Insurance>
+<Closing Meeting, connectedTo, Contract Review>
+<Contract Review, connectedTo, Building Permit Application>
+<Contract Review, connectedTo, Commission Distribution>
+<Contract Review, connectedTo, Property Listing>
+<Contract Review, connectedTo, Property Marketing>
+<HOA Management, connectedTo, Home Inspection>
+<Home Inspection, connectedTo, Property Marketing>
+<Investment Property Analysis, connectedTo, Brokerage License Renewal>
+<Investment Property Analysis, connectedTo, Closing Meeting>
+<Investment Property Analysis, connectedTo, Property Listing>
+<Land Acquisition, connectedTo, Price Negotiation>
+<Land Acquisition, partOf, Property Tax Payment>
+<Lease Renewal, connectedTo, Agent Assignment>
+<Loan Pre_Approval, connectedTo, Open House Event>
+<Loan Pre_Approval, partOf, Tenant Screening>
+<Maintenance Request, connectedTo, Loan Pre_Approval>
+<Maintenance Request, partOf, Tenant Screening>
+<Market Trend Analysis, connectedTo, HOA Management>
+<Open House Event, connectedTo, Investment Property Analysis>
+<Open House Event, partOf, Tenant Screening>
+<Ownership Transfer, connectedTo, Site Visit Scheduling>
+<Ownership Transfer, partOf, Property Tax Payment>
+<Price Negotiation, connectedTo, Property Listing>
+<Price Negotiation, partOf, Property Tax Payment>
+<Property Appraisal, connectedTo, Commission Distribution>
+<Property Insurance, connectedTo, Maintenance Request>
+<Property Insurance, connectedTo, Property Appraisal>
+<Property Listing, assigns, Ownership Transfer>
+<Property Listing, connectedTo, Building Permit Application>
+<Property Listing, connectedTo, HOA Management>
+<Property Listing, connectedTo, Home Inspection>
+<Property Listing, connectedTo, Market Trend Analysis>
+<Property Marketing, connectedTo, Building Permit Application>
+<Site Visit Scheduling, connectedTo, Land Acquisition>
+<Site Visit Scheduling, partOf, Property Tax Payment>
diff --git a/test/plantuml/graph_hard/plantuml_39.puml b/test/plantuml/graph_hard/plantuml_39.puml
new file mode 100644
index 0000000000000000000000000000000000000000..04ddac4790079f72d93bbb13dd3ca9c0a9357d1d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_39.puml
@@ -0,0 +1,79 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Property Insurance" as Group0 #FFF3E0 {
+    database "Property Tax Payment" as nest0_0 #C9F0F0
+    folder "Zoning Compliance" as nest0_1 #D1C4E9
+    folder "Home Inspection" as nest0_2 #D1C4E9
+    component "Mortgage Application Assistance" as nest0_3 #FFFDE0
+}
+rectangle "Virtual Tour Creation" as Group1 #EDE7F6 {
+    component "Lease Renewal" as nest1_0 #D1C4E9
+    database "Land Acquisition" as nest1_1 #FFFDE0
+    cloud "Property Valuation" as nest1_2 #C9F0F0
+}
+usecase "Commission Distribution" as N0 #D1C4E9
+usecase "Maintenance Request" as N1 #FFFDE0
+usecase "Property Management" as N2 #C9F0F0
+cloud "Property Marketing" as N3 #C9F0F0
+component "Offer Submission" as N4 #FFFDE0
+database "Brokerage License Renewal" as N5 #FFFDE0
+database "Legal Verification" as N6 #D1C4E9
+rectangle "Title Check" as N7 #D1C4E9
+cloud "Loan Pre_Approval" as N8 #D1C4E9
+rectangle "Market Trend Analysis" as N9 #C9F0F0
+component "Site Visit Scheduling" as N10 #FFFDE0
+folder "Eviction Process" as N11 #FFFDE0
+node "Building Permit Application" as N12 #FFFDE0
+usecase "Escrow Setup" as N13 #D1C4E9
+folder "Property Listing" as N14 #D1C4E9
+cloud "Investment Property Analysis" as N15 #C9F0F0
+cloud "Agent Assignment" as N16 #D1C4E9
+circle " " as S0 #C9F0F0
+circle " " as S1 #D1C4E9
+circle " " as S2 #C9F0F0
+circle " " as M0 #D1C4E9
+N0 -[#FFF8A6]-> N1
+N1 ..[#000000]..> N2
+N2 ..[#FFF8A6]..> N3
+N3 -[#FFF8A6]-> N4
+N4 ..[#7E57C2]..> N5
+N5 ..[#7E57C2]..> N6
+N6 ..[#FFF8A6]..> N7
+N7 -[#FFF8A6]-> N8
+N8 -[#000000]-> N9
+N9 ..[#7E57C2]..> N10
+N10 -[#7E57C2]-> N11
+N11 ..[#000000]..> N12
+N12 ..[#4DD0E1]..> N13
+N13 -[#000000]-> N14
+N14 ..[#4DD0E1]..> N15
+N15 ..[#FFF8A6]..> N16
+nest0_0 -[#000000]-> nest0_1
+nest0_1 -[#7E57C2]-> nest0_2 : approves
+nest0_2 -[#000000]-> nest0_3
+N12 -[#FFF8A6]-> nest0_0
+nest0_3 -[#7E57C2]-> N3
+nest1_0 -[#FFF8A6]-> nest1_1
+nest1_1 -[#000000]-> nest1_2
+N15 ..[#4DD0E1]..> nest1_0
+nest1_2 ..[#4DD0E1]..> N1
+N0 -[#7E57C2]-> S0
+S0 ..[#4DD0E1]..> N7
+S0 -[#FFF8A6]-> N15
+S0 ..[#4DD0E1]..> N9
+N10 ..[#7E57C2]..> S1
+S1 -[#FFF8A6]-> N12
+S1 -[#000000]-> N13
+S1 -[#7E57C2]-> N16
+S1 -[#7E57C2]-> N15
+N6 -[#4DD0E1]-> S2
+S2 -[#4DD0E1]-> N15
+S2 -[#000000]-> N11
+S2 ..[#000000]..> N9
+S2 ..[#7E57C2]..> N13
+N12 ..[#000000]..> M0
+N1 ..[#7E57C2]..> M0
+M0 ..[#7E57C2]..> N14
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_39.txt b/test/plantuml/graph_hard/plantuml_39.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7e0a0d23d49ffd7e46b6ec452f5038cb5aff36c0
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_39.txt
@@ -0,0 +1,45 @@
+<Brokerage License Renewal, connectedTo, Legal Verification>
+<Building Permit Application, connectedTo, Escrow Setup>
+<Building Permit Application, connectedTo, Property Listing>
+<Building Permit Application, connectedTo, Property Tax Payment>
+<Commission Distribution, connectedTo, Investment Property Analysis>
+<Commission Distribution, connectedTo, Maintenance Request>
+<Commission Distribution, connectedTo, Market Trend Analysis>
+<Commission Distribution, connectedTo, Title Check>
+<Escrow Setup, connectedTo, Property Listing>
+<Eviction Process, connectedTo, Building Permit Application>
+<Home Inspection, connectedTo, Mortgage Application Assistance>
+<Home Inspection, partOf, Property Insurance>
+<Investment Property Analysis, connectedTo, Agent Assignment>
+<Investment Property Analysis, connectedTo, Lease Renewal>
+<Land Acquisition, connectedTo, Property Valuation>
+<Land Acquisition, partOf, Virtual Tour Creation>
+<Lease Renewal, connectedTo, Land Acquisition>
+<Lease Renewal, partOf, Virtual Tour Creation>
+<Legal Verification, connectedTo, Escrow Setup>
+<Legal Verification, connectedTo, Eviction Process>
+<Legal Verification, connectedTo, Investment Property Analysis>
+<Legal Verification, connectedTo, Market Trend Analysis>
+<Legal Verification, connectedTo, Title Check>
+<Loan Pre_Approval, connectedTo, Market Trend Analysis>
+<Maintenance Request, connectedTo, Property Listing>
+<Maintenance Request, connectedTo, Property Management>
+<Market Trend Analysis, connectedTo, Site Visit Scheduling>
+<Mortgage Application Assistance, connectedTo, Property Marketing>
+<Mortgage Application Assistance, partOf, Property Insurance>
+<Offer Submission, connectedTo, Brokerage License Renewal>
+<Property Listing, connectedTo, Investment Property Analysis>
+<Property Management, connectedTo, Property Marketing>
+<Property Marketing, connectedTo, Offer Submission>
+<Property Tax Payment, connectedTo, Zoning Compliance>
+<Property Tax Payment, partOf, Property Insurance>
+<Property Valuation, connectedTo, Maintenance Request>
+<Property Valuation, partOf, Virtual Tour Creation>
+<Site Visit Scheduling, connectedTo, Agent Assignment>
+<Site Visit Scheduling, connectedTo, Building Permit Application>
+<Site Visit Scheduling, connectedTo, Escrow Setup>
+<Site Visit Scheduling, connectedTo, Eviction Process>
+<Site Visit Scheduling, connectedTo, Investment Property Analysis>
+<Title Check, connectedTo, Loan Pre_Approval>
+<Zoning Compliance, approves, Home Inspection>
+<Zoning Compliance, partOf, Property Insurance>
diff --git a/test/plantuml/graph_hard/plantuml_4.puml b/test/plantuml/graph_hard/plantuml_4.puml
new file mode 100644
index 0000000000000000000000000000000000000000..936488b56e06e9fc633947347c8f5e47ebffb59b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_4.puml
@@ -0,0 +1,79 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Treatment Plan" as Group0 #E8F5E9 {
+    node "Surgery" as nest0_0 #FFFDE7
+    node "Physical Examination" as nest0_1 #FFFDE7
+    artifact "Clinical Trial" as nest0_2 #FFEBEB
+}
+rectangle "Diagnosis" as Group1 #E0F2F1 {
+    database "Medical Record Keeping" as nest1_0 #DACBE3
+    frame "Allergy Test" as nest1_1 #FFFDE7
+    usecase "Insurance Claim" as nest1_2 #FFFDE7
+}
+artifact "Discharge" as N0 #FFEBEB
+database "Lab Test" as N1 #FFEBEB
+artifact "Rehabilitation Therapy" as N2 #DACBE3
+frame "Patient Transfer" as N3 #DACBE3
+rectangle "Telemedicine Consultation" as N4 #DACBE3
+frame "Epidemiological Tracking" as N5 #FFFDE7
+usecase "Health Screening" as N6 #FFFDE7
+cloud "Pain Management" as N7 #FFFDE7
+folder "Device Implantation" as N8 #FFEBEB
+artifact "Nutritional Counseling" as N9 #DACBE3
+cloud "Patient Education" as N10 #DACBE3
+rectangle "Symptom Monitoring" as N11 #FFEBEB
+rectangle "Prescription" as N12 #DACBE3
+cloud "Follow_up" as N13 #FFFDE7
+frame "Case Review" as N14 #DACBE3
+folder "Patient Intake" as N15 #FFEBEB
+rectangle "Dental Check_up" as N16 #DACBE3
+cloud "Referral" as N17 #DACBE3
+circle " " as S0 #DACBE3
+circle " " as S1 #DACBE3
+circle " " as M0 #FFEBEB
+circle " " as M2 #DACBE3
+N0 ..[#000000]..> N1
+N1 -[#FFF176]-> N2
+N2 ..[#FFF176]..> N3
+N3 ..[#A188D0]..> N4
+N4 ..[#A188D0]..> N5
+N5 ..[#FFC2C2]..> N6
+N6 -[#A188D0]-> N7
+N7 ..[#A188D0]..> N8
+N8 -[#FFC2C2]-> N9
+N9 -[#000000]-> N10
+N10 ..[#FFC2C2]..> N11
+N11 -[#000000]-> N12
+N12 ..[#A188D0]..> N13
+N13 ..[#A188D0]..> N14
+N14 -[#A188D0]-> N15
+N15 ..[#A188D0]..> N16
+N16 -[#A188D0]-> N17
+nest0_0 -[#FFF176]-> nest0_1
+nest0_1 ..[#FFF176]..> nest0_2
+N4 -[#A188D0]-> nest0_0
+nest0_2 -[#FFF176]-> N11
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 ..[#000000]..> nest1_2
+N12 ..[#FFC2C2]..> nest1_0
+nest1_2 ..[#000000]..> N9
+N6 -[#FFF176]-> S0
+S0 ..[#FFC2C2]..> N16
+S0 -[#A188D0]-> N11
+S0 -[#A188D0]-> N12
+N6 -[#A188D0]-> S1
+S1 -[#A188D0]-> N12
+S1 -[#A188D0]-> N17
+S1 -[#FFC2C2]-> N14
+N3 ..[#FFF176]..> M0
+N0 -[#000000]-> M0
+N6 -[#FFC2C2]-> M0
+M0 -[#000000]-> N11
+N6 -[#FFC2C2]-> M2 : administers
+N2 ..[#A188D0]..> M2
+N1 -[#000000]-> M2
+N5 ..[#A188D0]..> M2
+M2 ..[#FFF176]..> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_4.txt b/test/plantuml/graph_hard/plantuml_4.txt
new file mode 100644
index 0000000000000000000000000000000000000000..852c13ef431fea689254cd7fe3fa76ba50597b6c
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_4.txt
@@ -0,0 +1,42 @@
+<Allergy Test, connectedTo, Insurance Claim>
+<Allergy Test, partOf, Diagnosis>
+<Case Review, connectedTo, Patient Intake>
+<Clinical Trial, connectedTo, Symptom Monitoring>
+<Clinical Trial, partOf, Treatment Plan>
+<Dental Check_up, connectedTo, Referral>
+<Device Implantation, connectedTo, Nutritional Counseling>
+<Discharge, connectedTo, Lab Test>
+<Discharge, connectedTo, Symptom Monitoring>
+<Epidemiological Tracking, connectedTo, Health Screening>
+<Epidemiological Tracking, connectedTo, Nutritional Counseling>
+<Follow_up, connectedTo, Case Review>
+<Health Screening, administers, Nutritional Counseling>
+<Health Screening, connectedTo, Case Review>
+<Health Screening, connectedTo, Dental Check_up>
+<Health Screening, connectedTo, Pain Management>
+<Health Screening, connectedTo, Prescription>
+<Health Screening, connectedTo, Referral>
+<Health Screening, connectedTo, Symptom Monitoring>
+<Insurance Claim, connectedTo, Nutritional Counseling>
+<Insurance Claim, partOf, Diagnosis>
+<Lab Test, connectedTo, Nutritional Counseling>
+<Lab Test, connectedTo, Rehabilitation Therapy>
+<Medical Record Keeping, connectedTo, Allergy Test>
+<Medical Record Keeping, partOf, Diagnosis>
+<Nutritional Counseling, connectedTo, Patient Education>
+<Pain Management, connectedTo, Device Implantation>
+<Patient Education, connectedTo, Symptom Monitoring>
+<Patient Intake, connectedTo, Dental Check_up>
+<Patient Transfer, connectedTo, Symptom Monitoring>
+<Patient Transfer, connectedTo, Telemedicine Consultation>
+<Physical Examination, connectedTo, Clinical Trial>
+<Physical Examination, partOf, Treatment Plan>
+<Prescription, connectedTo, Follow_up>
+<Prescription, connectedTo, Medical Record Keeping>
+<Rehabilitation Therapy, connectedTo, Nutritional Counseling>
+<Rehabilitation Therapy, connectedTo, Patient Transfer>
+<Surgery, connectedTo, Physical Examination>
+<Surgery, partOf, Treatment Plan>
+<Symptom Monitoring, connectedTo, Prescription>
+<Telemedicine Consultation, connectedTo, Epidemiological Tracking>
+<Telemedicine Consultation, connectedTo, Surgery>
diff --git a/test/plantuml/graph_hard/plantuml_40.puml b/test/plantuml/graph_hard/plantuml_40.puml
new file mode 100644
index 0000000000000000000000000000000000000000..830c8c425c73589284228dbc456168d521d0c789
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_40.puml
@@ -0,0 +1,70 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Traffic Control" as Group0 #E0F2F1 {
+    usecase "Incident Command System Activation" as nest0_0 #F9FBE7
+    folder "Resource Allocation" as nest0_1 #E0E6E9
+    cloud "Rescue Coordination" as nest0_2 #FFF9D4
+    artifact "Court Testimony" as nest0_3 #E0E6E9
+}
+rectangle "Patrol Scheduling" as Group1 #FBE9E7 {
+    cloud "K9 Unit Deployment" as nest1_0 #F9FBE7
+    usecase "SWAT Team Activation" as nest1_1 #F9FBE7
+}
+cloud "Crowd Management" as N0 #E0E6E9
+database "Threat Assessment" as N1 #FFF9D4
+folder "Suspect Identification" as N2 #E0E6E9
+artifact "Search and Rescue Operations" as N3 #FFF9D4
+node "Hostage Negotiation" as N4 #F9FBE7
+node "Surveillance Review" as N5 #FFF9D4
+node "Responder Alert" as N6 #F9FBE7
+folder "First Aid Deployment" as N7 #E0E6E9
+component "Inmate Transport" as N8 #E0E6E9
+folder "Hazard Detection" as N9 #F9FBE7
+rectangle "Drug Interdiction" as N10 #F9FBE7
+cloud "Shelter Setup" as N11 #E0E6E9
+database "Bomb Disposal" as N12 #FFF9D4
+cloud "Cybersecurity Threat Response" as N13 #F9FBE7
+circle " " as S0 #F9FBE7
+circle " " as S1 #FFF9D4
+circle " " as M0 #F9FBE7
+circle " " as M1 #F9FBE7
+N0 ..[#C0CA33]..> N1
+N1 -[#000000]-> N2
+N2 -[#AABEC6]-> N3
+N3 ..[#000000]..> N4
+N4 ..[#000000]..> N5
+N5 -[#000000]-> N6
+N6 -[#AABEC6]-> N7
+N7 ..[#C0CA33]..> N8 : certifies
+N8 ..[#FFE69C]..> N9
+N9 ..[#000000]..> N10
+N10 -[#FFE69C]-> N11
+N11 -[#C0CA33]-> N12
+N12 ..[#000000]..> N13 : suppresses
+nest0_0 ..[#C0CA33]..> nest0_1
+nest0_1 ..[#FFE69C]..> nest0_2
+nest0_2 -[#C0CA33]-> nest0_3
+N5 -[#C0CA33]-> nest0_0
+nest0_3 -[#FFE69C]-> N9 : collaborates
+nest1_0 -[#000000]-> nest1_1
+N5 ..[#000000]..> nest1_0
+nest1_1 -[#C0CA33]-> N9
+N5 -[#000000]-> S0
+S0 ..[#000000]..> N8
+S0 -[#000000]-> N9
+S0 -[#C0CA33]-> N13
+N3 ..[#FFE69C]..> S1
+S1 -[#FFE69C]-> N8
+S1 ..[#000000]..> N7
+S1 ..[#000000]..> N11
+N6 ..[#AABEC6]..> M0
+N0 ..[#C0CA33]..> M0
+N7 -[#FFE69C]-> M0
+M0 -[#000000]-> N11
+N2 ..[#000000]..> M1
+N0 ..[#000000]..> M1
+N1 -[#AABEC6]-> M1 : rehabilitates
+M1 ..[#AABEC6]..> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_41.puml b/test/plantuml/graph_hard/plantuml_41.puml
new file mode 100644
index 0000000000000000000000000000000000000000..ed4fd2537f189b6cd721f57bc89fd543289c8fcb
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_41.puml
@@ -0,0 +1,65 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Inmate Transport" as Group0 #FFF3E0 {
+    usecase "Emergency Medical Service" as nest0_0 #FFECB3
+    folder "Forensic Analysis" as nest0_1 #FFECB3
+}
+rectangle "Incident Command System Activation" as Group1 #E8F5E9 {
+    component "Evacuation Planning" as nest1_0 #FBE9E7
+    frame "Rescue Coordination" as nest1_1 #EDF5F3
+    cloud "Crime Scene Analysis" as nest1_2 #FBE9E7
+    node "Crime Prevention Programs" as nest1_3 #FBE9E7
+}
+database "Suspect Identification" as N0 #FFECB3
+artifact "Bomb Disposal" as N1 #EDF5F3
+frame "Public Warning" as N2 #EDF5F3
+cloud "Threat Assessment" as N3 #EDF5F3
+database "Responder Alert" as N4 #EDF5F3
+frame "Disaster Relief Coordination" as N5 #FFECB3
+folder "Evidence Collection" as N6 #FBE9E7
+folder "Law Enforcement Database Check" as N7 #EDF5F3
+component "Border Security" as N8 #FFECB3
+frame "Witness Interview" as N9 #FFECB3
+cloud "Incident Reporting" as N10 #EDF5F3
+rectangle "Drug Interdiction" as N11 #FFECB3
+node "SWAT Team Activation" as N12 #FFECB3
+circle " " as S0 #EDF5F3
+circle " " as S1 #EDF5F3
+circle " " as M0 #EDF5F3
+circle " " as M1 #FFECB3
+N0 ..[#FF8A65]..> N1 : identifies
+N1 -[#FF8A65]-> N2
+N2 -[#FF8A65]-> N3
+N3 ..[#000000]..> N4
+N4 -[#A1D7CD]-> N5
+N5 -[#FF8A65]-> N6
+N6 -[#A1D7CD]-> N7 : predicts
+N7 ..[#FF8A65]..> N8
+N8 -[#000000]-> N9
+N9 -[#FF8A65]-> N10 : rescues
+N10 -[#FF8A65]-> N11
+N11 -[#FFC107]-> N12
+nest0_0 ..[#000000]..> nest0_1
+N3 ..[#000000]..> nest0_0
+nest0_1 ..[#FF8A65]..> N4
+nest1_0 ..[#A1D7CD]..> nest1_1
+nest1_1 -[#FFC107]-> nest1_2
+nest1_2 ..[#A1D7CD]..> nest1_3
+N1 ..[#FFC107]..> nest1_0 : detains
+nest1_3 ..[#A1D7CD]..> N2
+N6 -[#FFC107]-> S0
+S0 -[#000000]-> N10
+S0 ..[#FF8A65]..> N9
+N1 ..[#FF8A65]..> S1
+S1 -[#FFC107]-> N6
+S1 ..[#A1D7CD]..> N10
+S1 -[#000000]-> N8 : contains
+N3 -[#000000]-> M0
+N2 -[#A1D7CD]-> M0
+M0 -[#A1D7CD]-> N7
+N4 ..[#FFC107]..> M1
+N6 -[#A1D7CD]-> M1
+M1 ..[#A1D7CD]..> N12
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_41.txt b/test/plantuml/graph_hard/plantuml_41.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d544929b3bbd285309aca6aeb14f3e9a445ead65
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_41.txt
@@ -0,0 +1,35 @@
+<Bomb Disposal, connectedTo, Evidence Collection>
+<Bomb Disposal, connectedTo, Incident Reporting>
+<Bomb Disposal, connectedTo, Public Warning>
+<Bomb Disposal, contains, Border Security>
+<Bomb Disposal, detains, Evacuation Planning>
+<Border Security, connectedTo, Witness Interview>
+<Crime Prevention Programs, connectedTo, Public Warning>
+<Crime Prevention Programs, partOf, Incident Command System Activation>
+<Crime Scene Analysis, connectedTo, Crime Prevention Programs>
+<Crime Scene Analysis, partOf, Incident Command System Activation>
+<Disaster Relief Coordination, connectedTo, Evidence Collection>
+<Drug Interdiction, connectedTo, SWAT Team Activation>
+<Emergency Medical Service, connectedTo, Forensic Analysis>
+<Emergency Medical Service, partOf, Inmate Transport>
+<Evacuation Planning, connectedTo, Rescue Coordination>
+<Evacuation Planning, partOf, Incident Command System Activation>
+<Evidence Collection, connectedTo, Incident Reporting>
+<Evidence Collection, connectedTo, SWAT Team Activation>
+<Evidence Collection, connectedTo, Witness Interview>
+<Evidence Collection, predicts, Law Enforcement Database Check>
+<Forensic Analysis, connectedTo, Responder Alert>
+<Forensic Analysis, partOf, Inmate Transport>
+<Incident Reporting, connectedTo, Drug Interdiction>
+<Law Enforcement Database Check, connectedTo, Border Security>
+<Public Warning, connectedTo, Law Enforcement Database Check>
+<Public Warning, connectedTo, Threat Assessment>
+<Rescue Coordination, connectedTo, Crime Scene Analysis>
+<Rescue Coordination, partOf, Incident Command System Activation>
+<Responder Alert, connectedTo, Disaster Relief Coordination>
+<Responder Alert, connectedTo, SWAT Team Activation>
+<Suspect Identification, identifies, Bomb Disposal>
+<Threat Assessment, connectedTo, Emergency Medical Service>
+<Threat Assessment, connectedTo, Law Enforcement Database Check>
+<Threat Assessment, connectedTo, Responder Alert>
+<Witness Interview, rescues, Incident Reporting>
diff --git a/test/plantuml/graph_hard/plantuml_42.puml b/test/plantuml/graph_hard/plantuml_42.puml
new file mode 100644
index 0000000000000000000000000000000000000000..f13c2aeb052852be243e0c8eac3107ecf2f62e4f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_42.puml
@@ -0,0 +1,83 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Border Security" as Group0 #E8F5E9 {
+    component "Suspect Identification" as nest0_0 #D1C4E9
+    folder "Public Safety Training" as nest0_1 #DDCEDD
+    folder "Crime Scene Analysis" as nest0_2 #D0E0F8
+}
+rectangle "Post_Incident Review" as Group1 #ECEFF1 {
+    component "Community Outreach" as nest1_0 #D0E0F8
+    rectangle "Crowd Management" as nest1_1 #D0E0F8
+    artifact "Fire Suppression" as nest1_2 #D1C4E9
+}
+folder "Public Warning" as N0 #D1C4E9
+component "Cybersecurity Threat Response" as N1 #D0E0F8
+folder "Crime Prevention Programs" as N2 #D1C4E9
+cloud "Inmate Transport" as N3 #DDCEDD
+artifact "Bomb Disposal" as N4 #D1C4E9
+folder "Evacuation Planning" as N5 #D1C4E9
+frame "Search and Rescue Operations" as N6 #D1C4E9
+node "Forensic Analysis" as N7 #D0E0F8
+component "Resource Allocation" as N8 #D1C4E9
+node "Surveillance Review" as N9 #D0E0F8
+folder "Shelter Setup" as N10 #D1C4E9
+component "Patrol Scheduling" as N11 #D1C4E9
+node "Incident Reporting" as N12 #DDCEDD
+folder "Traffic Control" as N13 #DDCEDD
+usecase "Hostage Negotiation" as N14 #DDCEDD
+database "K9 Unit Deployment" as N15 #D1C4E9
+component "Evidence Collection" as N16 #D0E0F8
+database "SWAT Team Activation" as N17 #DDCEDD
+usecase "Responder Alert" as N18 #D1C4E9
+frame "Law Enforcement Database Check" as N19 #D0E0F8
+circle " " as S0 #D0E0F8
+circle " " as S1 #DDCEDD
+circle " " as M0 #D1C4E9
+circle " " as M1 #DDCEDD
+N0 ..[#000000]..> N1
+N1 -[#000000]-> N2
+N2 ..[#000000]..> N3
+N3 ..[#4285F4]..> N4
+N4 ..[#7E57C2]..> N5
+N5 ..[#000000]..> N6
+N6 ..[#7E57C2]..> N7
+N7 ..[#7E57C2]..> N8
+N8 ..[#000000]..> N9
+N9 ..[#7E57C2]..> N10
+N10 -[#4285F4]-> N11 : identifies
+N11 -[#AF56A6]-> N12
+N12 ..[#4285F4]..> N13
+N13 ..[#AF56A6]..> N14
+N14 -[#000000]-> N15
+N15 ..[#AF56A6]..> N16
+N16 -[#000000]-> N17
+N17 ..[#7E57C2]..> N18
+N18 ..[#000000]..> N19
+nest0_0 -[#7E57C2]-> nest0_1
+nest0_1 ..[#AF56A6]..> nest0_2
+N13 ..[#000000]..> nest0_0
+nest0_2 ..[#7E57C2]..> N12
+nest1_0 ..[#7E57C2]..> nest1_1
+nest1_1 ..[#4285F4]..> nest1_2
+N1 ..[#4285F4]..> nest1_0
+nest1_2 -[#AF56A6]-> N8
+N0 -[#7E57C2]-> S0
+S0 -[#000000]-> N10
+S0 ..[#4285F4]..> N9
+S0 ..[#000000]..> N8
+S0 ..[#000000]..> N7
+N15 ..[#AF56A6]..> S1
+S1 -[#AF56A6]-> N19
+S1 -[#000000]-> N17
+S1 -[#7E57C2]-> N18
+N6 -[#7E57C2]-> M0
+N14 -[#4285F4]-> M0
+N7 ..[#AF56A6]..> M0
+M0 -[#AF56A6]-> N18
+N6 -[#000000]-> M1
+N5 -[#000000]-> M1
+N0 ..[#7E57C2]..> M1
+M1 -[#000000]-> N17
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_42.txt b/test/plantuml/graph_hard/plantuml_42.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3dafb5043eb15b5d9f5ba4550820b7214becf195
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_42.txt
@@ -0,0 +1,46 @@
+<Bomb Disposal, connectedTo, Evacuation Planning>
+<Community Outreach, connectedTo, Crowd Management>
+<Community Outreach, partOf, Post_Incident Review>
+<Crime Prevention Programs, connectedTo, Inmate Transport>
+<Crime Scene Analysis, connectedTo, Incident Reporting>
+<Crime Scene Analysis, partOf, Border Security>
+<Crowd Management, connectedTo, Fire Suppression>
+<Crowd Management, partOf, Post_Incident Review>
+<Cybersecurity Threat Response, connectedTo, Community Outreach>
+<Cybersecurity Threat Response, connectedTo, Crime Prevention Programs>
+<Evacuation Planning, connectedTo, SWAT Team Activation>
+<Evacuation Planning, connectedTo, Search and Rescue Operations>
+<Evidence Collection, connectedTo, SWAT Team Activation>
+<Fire Suppression, connectedTo, Resource Allocation>
+<Fire Suppression, partOf, Post_Incident Review>
+<Forensic Analysis, connectedTo, Resource Allocation>
+<Forensic Analysis, connectedTo, Responder Alert>
+<Hostage Negotiation, connectedTo, K9 Unit Deployment>
+<Hostage Negotiation, connectedTo, Responder Alert>
+<Incident Reporting, connectedTo, Traffic Control>
+<Inmate Transport, connectedTo, Bomb Disposal>
+<K9 Unit Deployment, connectedTo, Evidence Collection>
+<K9 Unit Deployment, connectedTo, Law Enforcement Database Check>
+<K9 Unit Deployment, connectedTo, Responder Alert>
+<K9 Unit Deployment, connectedTo, SWAT Team Activation>
+<Patrol Scheduling, connectedTo, Incident Reporting>
+<Public Safety Training, connectedTo, Crime Scene Analysis>
+<Public Safety Training, partOf, Border Security>
+<Public Warning, connectedTo, Cybersecurity Threat Response>
+<Public Warning, connectedTo, Forensic Analysis>
+<Public Warning, connectedTo, Resource Allocation>
+<Public Warning, connectedTo, SWAT Team Activation>
+<Public Warning, connectedTo, Shelter Setup>
+<Public Warning, connectedTo, Surveillance Review>
+<Resource Allocation, connectedTo, Surveillance Review>
+<Responder Alert, connectedTo, Law Enforcement Database Check>
+<SWAT Team Activation, connectedTo, Responder Alert>
+<Search and Rescue Operations, connectedTo, Forensic Analysis>
+<Search and Rescue Operations, connectedTo, Responder Alert>
+<Search and Rescue Operations, connectedTo, SWAT Team Activation>
+<Shelter Setup, identifies, Patrol Scheduling>
+<Surveillance Review, connectedTo, Shelter Setup>
+<Suspect Identification, connectedTo, Public Safety Training>
+<Suspect Identification, partOf, Border Security>
+<Traffic Control, connectedTo, Hostage Negotiation>
+<Traffic Control, connectedTo, Suspect Identification>
diff --git a/test/plantuml/graph_hard/plantuml_43.puml b/test/plantuml/graph_hard/plantuml_43.puml
new file mode 100644
index 0000000000000000000000000000000000000000..ea3cd7b6587360c80589254e5f48c88e973df899
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_43.puml
@@ -0,0 +1,62 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Footage Review" as Group0 #FCE4EC {
+    folder "Editing Process" as nest0_0 #C8EDFF
+    frame "Live Performance" as nest0_1 #F1F8E9
+}
+rectangle "Lighting Setup" as Group1 #F1F8E9 {
+    artifact "Talent Management" as nest1_0 #F1F8E9
+    usecase "Audience Feedback" as nest1_1 #C8EDFF
+    rectangle "Sponsorship Acquisition" as nest1_2 #C8EDFF
+}
+component "Actor Rehearsal" as N0 #F6F6F6
+artifact "Awards Ceremony Production" as N1 #F6F6F6
+rectangle "Intellectual Property Protection" as N2 #F1F8E9
+frame "Script Writing" as N3 #C8EDFF
+rectangle "Licensing Approval" as N4 #F6F6F6
+database "Scene Scheduling" as N5 #C8EDFF
+component "Game Development" as N6 #C8EDFF
+rectangle "Broadcast Scheduling" as N7 #F1F8E9
+rectangle "Film Distribution" as N8 #C8EDFF
+frame "Animation Production" as N9 #F6F6F6
+folder "Red Carpet Event" as N10 #F1F8E9
+usecase "Concert Promotion" as N11 #C8EDFF
+circle " " as S0 #F6F6F6
+circle " " as S1 #C8EDFF
+circle " " as M0 #F6F6F6
+circle " " as M1 #F1F8E9
+N0 -[#81C784]-> N1
+N1 ..[#82DAFF]..> N2
+N2 ..[#81C784]..> N3
+N3 ..[#81C784]..> N4
+N4 -[#81C784]-> N5
+N5 -[#000000]-> N6
+N6 -[#CFCFCF]-> N7
+N7 ..[#CFCFCF]..> N8
+N8 ..[#82DAFF]..> N9
+N9 ..[#000000]..> N10
+N10 ..[#81C784]..> N11
+nest0_0 -[#81C784]-> nest0_1
+N2 ..[#CFCFCF]..> nest0_0 : promotes
+nest0_1 -[#CFCFCF]-> N11
+nest1_0 ..[#CFCFCF]..> nest1_1
+nest1_1 ..[#81C784]..> nest1_2
+N10 ..[#81C784]..> nest1_0
+nest1_2 ..[#000000]..> N2
+N4 -[#000000]-> S0
+S0 ..[#000000]..> N11 : creates
+S0 ..[#82DAFF]..> N6
+N6 -[#CFCFCF]-> S1
+S1 -[#82DAFF]-> N11
+S1 ..[#81C784]..> N9
+S1 -[#81C784]-> N8
+N8 ..[#000000]..> M0
+N2 -[#82DAFF]-> M0
+N3 ..[#82DAFF]..> M0
+M0 ..[#000000]..> N10
+N2 ..[#82DAFF]..> M1
+N1 -[#82DAFF]-> M1
+M1 -[#82DAFF]-> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_43.txt b/test/plantuml/graph_hard/plantuml_43.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c9d3a651c757b9ed04d7f6e88eb40457722613a3
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_43.txt
@@ -0,0 +1,33 @@
+<Actor Rehearsal, connectedTo, Awards Ceremony Production>
+<Animation Production, connectedTo, Red Carpet Event>
+<Audience Feedback, connectedTo, Sponsorship Acquisition>
+<Audience Feedback, partOf, Lighting Setup>
+<Awards Ceremony Production, connectedTo, Intellectual Property Protection>
+<Awards Ceremony Production, connectedTo, Licensing Approval>
+<Broadcast Scheduling, connectedTo, Film Distribution>
+<Editing Process, connectedTo, Live Performance>
+<Editing Process, partOf, Footage Review>
+<Film Distribution, connectedTo, Animation Production>
+<Film Distribution, connectedTo, Red Carpet Event>
+<Game Development, connectedTo, Animation Production>
+<Game Development, connectedTo, Broadcast Scheduling>
+<Game Development, connectedTo, Concert Promotion>
+<Game Development, connectedTo, Film Distribution>
+<Intellectual Property Protection, connectedTo, Licensing Approval>
+<Intellectual Property Protection, connectedTo, Red Carpet Event>
+<Intellectual Property Protection, connectedTo, Script Writing>
+<Intellectual Property Protection, promotes, Editing Process>
+<Licensing Approval, connectedTo, Game Development>
+<Licensing Approval, connectedTo, Scene Scheduling>
+<Licensing Approval, creates, Concert Promotion>
+<Live Performance, connectedTo, Concert Promotion>
+<Live Performance, partOf, Footage Review>
+<Red Carpet Event, connectedTo, Concert Promotion>
+<Red Carpet Event, connectedTo, Talent Management>
+<Scene Scheduling, connectedTo, Game Development>
+<Script Writing, connectedTo, Licensing Approval>
+<Script Writing, connectedTo, Red Carpet Event>
+<Sponsorship Acquisition, connectedTo, Intellectual Property Protection>
+<Sponsorship Acquisition, partOf, Lighting Setup>
+<Talent Management, connectedTo, Audience Feedback>
+<Talent Management, partOf, Lighting Setup>
diff --git a/test/plantuml/graph_hard/plantuml_44.puml b/test/plantuml/graph_hard/plantuml_44.puml
new file mode 100644
index 0000000000000000000000000000000000000000..172d80197e1e5ba375a51e158335fe713458b9d2
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_44.puml
@@ -0,0 +1,77 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Red Carpet Event" as Group0 #F1F8E9 {
+    folder "Special Effects Design" as nest0_0 #FBE9E7
+    usecase "Licensing Approval" as nest0_1 #D3D7EB
+}
+rectangle "Game Development" as Group1 #E8F5E9 {
+    component "Actor Rehearsal" as nest1_0 #FBE9E7
+    rectangle "Sound Engineering" as nest1_1 #D3D7EB
+    rectangle "Concert Promotion" as nest1_2 #FFCCBC
+    artifact "Budget Planning" as nest1_3 #FBE9E7
+}
+node "Awards Ceremony Production" as N0 #FBE9E7
+artifact "Marketing Campaign" as N1 #FFCCBC
+node "Ticketing Sales" as N2 #D3D7EB
+node "Post_Production Audio Mixing" as N3 #D3D7EB
+folder "Script Writing" as N4 #FFCCBC
+rectangle "Merchandise Creation" as N5 #D3D7EB
+folder "Sponsorship Acquisition" as N6 #FFCCBC
+folder "Film Distribution" as N7 #FFCCBC
+node "Scene Shooting" as N8 #FBE9E7
+rectangle "Music Composition" as N9 #D3D7EB
+rectangle "Premiere Event" as N10 #D3D7EB
+artifact "Casting Call" as N11 #FFCCBC
+node "Stunt Coordination" as N12 #FBE9E7
+folder "Location Scouting" as N13 #FBE9E7
+cloud "Footage Review" as N14 #D3D7EB
+artifact "Talent Management" as N15 #D3D7EB
+rectangle "Live Performance" as N16 #FFCCBC
+folder "Animation Production" as N17 #FBE9E7
+circle " " as S0 #FBE9E7
+circle " " as S1 #FBE9E7
+circle " " as M0 #D3D7EB
+circle " " as M1 #FBE9E7
+N0 -[#FF8A65]-> N1
+N1 -[#FF8A65]-> N2
+N2 -[#FF5722]-> N3
+N3 ..[#8C9EFF]..> N4
+N4 ..[#FF5722]..> N5 : secures
+N5 ..[#000000]..> N6
+N6 -[#000000]-> N7
+N7 ..[#FF8A65]..> N8
+N8 -[#FF5722]-> N9
+N9 ..[#8C9EFF]..> N10
+N10 ..[#FF8A65]..> N11
+N11 ..[#8C9EFF]..> N12
+N12 ..[#8C9EFF]..> N13
+N13 ..[#8C9EFF]..> N14
+N14 ..[#8C9EFF]..> N15
+N15 -[#FF5722]-> N16
+N16 -[#8C9EFF]-> N17
+nest0_0 -[#FF5722]-> nest0_1
+N2 ..[#8C9EFF]..> nest0_0
+nest0_1 ..[#FF5722]..> N4
+nest1_0 -[#8C9EFF]-> nest1_1
+nest1_1 -[#FF5722]-> nest1_2
+nest1_2 ..[#000000]..> nest1_3
+N12 -[#8C9EFF]-> nest1_0
+nest1_3 -[#FF8A65]-> N9
+N12 ..[#000000]..> S0
+S0 -[#000000]-> N17
+S0 ..[#000000]..> N14
+S0 -[#8C9EFF]-> N15
+N10 -[#FF5722]-> S1
+S1 -[#FF8A65]-> N14
+S1 -[#FF5722]-> N15
+N2 ..[#8C9EFF]..> M0
+N4 -[#FF5722]-> M0
+N8 -[#FF5722]-> M0
+M0 ..[#8C9EFF]..> N16
+N2 ..[#FF5722]..> M1
+N0 -[#8C9EFF]-> M1
+N1 ..[#FF8A65]..> M1
+M1 ..[#FF5722]..> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_44.txt b/test/plantuml/graph_hard/plantuml_44.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2892002f391aaf6fa68ed95273a95b84dd480b84
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_44.txt
@@ -0,0 +1,42 @@
+<Actor Rehearsal, connectedTo, Sound Engineering>
+<Actor Rehearsal, partOf, Game Development>
+<Awards Ceremony Production, connectedTo, Marketing Campaign>
+<Awards Ceremony Production, connectedTo, Script Writing>
+<Budget Planning, connectedTo, Music Composition>
+<Budget Planning, partOf, Game Development>
+<Casting Call, connectedTo, Stunt Coordination>
+<Concert Promotion, connectedTo, Budget Planning>
+<Concert Promotion, partOf, Game Development>
+<Film Distribution, connectedTo, Scene Shooting>
+<Footage Review, connectedTo, Talent Management>
+<Licensing Approval, connectedTo, Script Writing>
+<Licensing Approval, partOf, Red Carpet Event>
+<Live Performance, connectedTo, Animation Production>
+<Location Scouting, connectedTo, Footage Review>
+<Marketing Campaign, connectedTo, Script Writing>
+<Marketing Campaign, connectedTo, Ticketing Sales>
+<Merchandise Creation, connectedTo, Sponsorship Acquisition>
+<Music Composition, connectedTo, Premiere Event>
+<Post_Production Audio Mixing, connectedTo, Script Writing>
+<Premiere Event, connectedTo, Casting Call>
+<Premiere Event, connectedTo, Footage Review>
+<Premiere Event, connectedTo, Talent Management>
+<Scene Shooting, connectedTo, Live Performance>
+<Scene Shooting, connectedTo, Music Composition>
+<Script Writing, connectedTo, Live Performance>
+<Script Writing, secures, Merchandise Creation>
+<Sound Engineering, connectedTo, Concert Promotion>
+<Sound Engineering, partOf, Game Development>
+<Special Effects Design, connectedTo, Licensing Approval>
+<Special Effects Design, partOf, Red Carpet Event>
+<Sponsorship Acquisition, connectedTo, Film Distribution>
+<Stunt Coordination, connectedTo, Actor Rehearsal>
+<Stunt Coordination, connectedTo, Animation Production>
+<Stunt Coordination, connectedTo, Footage Review>
+<Stunt Coordination, connectedTo, Location Scouting>
+<Stunt Coordination, connectedTo, Talent Management>
+<Talent Management, connectedTo, Live Performance>
+<Ticketing Sales, connectedTo, Live Performance>
+<Ticketing Sales, connectedTo, Post_Production Audio Mixing>
+<Ticketing Sales, connectedTo, Script Writing>
+<Ticketing Sales, connectedTo, Special Effects Design>
diff --git a/test/plantuml/graph_hard/plantuml_45.puml b/test/plantuml/graph_hard/plantuml_45.puml
new file mode 100644
index 0000000000000000000000000000000000000000..11fa7d85e2b7589746accd184d6eae3aad3e16ae
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_45.puml
@@ -0,0 +1,77 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Music Composition" as Group0 #E8F5E9 {
+    node "Scene Scheduling" as nest0_0 #FFFDE7
+    rectangle "Film Festival Submission" as nest0_1 #DED7F0
+    rectangle "Ticketing Sales" as nest0_2 #FDFCEB
+}
+rectangle "Fan Engagement Strategy" as Group1 #F1F8E9 {
+    database "Casting Call" as nest1_0 #FDFCEB
+    folder "Merchandise Creation" as nest1_1 #FFFDE7
+    cloud "Budget Planning" as nest1_2 #FFFDE7
+    component "Broadcast Scheduling" as nest1_3 #DED7F0
+}
+artifact "Scene Shooting" as N0 #FFFDE7
+cloud "Awards Ceremony Production" as N1 #DED7F0
+rectangle "Script Writing" as N2 #DED7F0
+cloud "Location Scouting" as N3 #DED7F0
+cloud "Post_Production Audio Mixing" as N4 #DED7F0
+usecase "Sponsorship Acquisition" as N5 #DED7F0
+cloud "Concert Promotion" as N6 #DED7F0
+database "Red Carpet Event" as N7 #DED7F0
+frame "Licensing Approval" as N8 #DED7F0
+folder "Streaming Setup" as N9 #DED7F0
+folder "Trailer Production" as N10 #FFFDE7
+component "Actor Rehearsal" as N11 #FDFCEB
+cloud "Costume Design" as N12 #DED7F0
+folder "Press Junket" as N13 #DED7F0
+circle " " as S0 #FFFDE7
+circle " " as S1 #DED7F0
+circle " " as M0 #DED7F0
+circle " " as M1 #DED7F0
+circle " " as M2 #FFFDE7
+N0 ..[#A188DB]..> N1
+N1 -[#A188DB]-> N2
+N2 -[#EAEFA5]-> N3 : audits
+N3 ..[#A188DB]..> N4
+N4 -[#EAEFA5]-> N5
+N5 ..[#A188DB]..> N6
+N6 ..[#EAEFA5]..> N7
+N7 ..[#A188DB]..> N8
+N8 -[#A188DB]-> N9
+N9 -[#000000]-> N10
+N10 ..[#FBC02D]..> N11 : negotiates
+N11 ..[#A188DB]..> N12
+N12 ..[#000000]..> N13
+nest0_0 -[#FBC02D]-> nest0_1 : screens
+nest0_1 -[#FBC02D]-> nest0_2
+N5 ..[#000000]..> nest0_0
+nest0_2 -[#000000]-> N10
+nest1_0 ..[#EAEFA5]..> nest1_1
+nest1_1 -[#FBC02D]-> nest1_2
+nest1_2 ..[#A188DB]..> nest1_3
+N10 ..[#FBC02D]..> nest1_0
+nest1_3 -[#EAEFA5]-> N2 : masters
+N9 -[#FBC02D]-> S0
+S0 ..[#A188DB]..> N13
+S0 -[#FBC02D]-> N11 : protects
+S0 -[#000000]-> N12
+N4 -[#A188DB]-> S1
+S1 ..[#000000]..> N11
+S1 ..[#000000]..> N7
+S1 -[#A188DB]-> N6
+S1 -[#FBC02D]-> N10
+N0 -[#000000]-> M0
+N6 -[#FBC02D]-> M0
+N5 ..[#EAEFA5]..> M0 : preserves
+M0 -[#EAEFA5]-> N12
+N4 -[#EAEFA5]-> M1
+N0 -[#000000]-> M1
+M1 -[#EAEFA5]-> N7
+N2 -[#000000]-> M2
+N8 ..[#FBC02D]..> M2
+N4 -[#EAEFA5]-> M2 : licenses
+M2 -[#A188DB]-> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_45.txt b/test/plantuml/graph_hard/plantuml_45.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4e1846e070bb9532faa2e87d0c5a2ccdb25e6d32
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_45.txt
@@ -0,0 +1,43 @@
+<Actor Rehearsal, connectedTo, Costume Design>
+<Awards Ceremony Production, connectedTo, Script Writing>
+<Broadcast Scheduling, masters, Script Writing>
+<Broadcast Scheduling, partOf, Fan Engagement Strategy>
+<Budget Planning, connectedTo, Broadcast Scheduling>
+<Budget Planning, partOf, Fan Engagement Strategy>
+<Casting Call, connectedTo, Merchandise Creation>
+<Casting Call, partOf, Fan Engagement Strategy>
+<Concert Promotion, connectedTo, Costume Design>
+<Concert Promotion, connectedTo, Red Carpet Event>
+<Costume Design, connectedTo, Press Junket>
+<Film Festival Submission, connectedTo, Ticketing Sales>
+<Film Festival Submission, partOf, Music Composition>
+<Licensing Approval, connectedTo, Streaming Setup>
+<Licensing Approval, connectedTo, Trailer Production>
+<Location Scouting, connectedTo, Post_Production Audio Mixing>
+<Merchandise Creation, connectedTo, Budget Planning>
+<Merchandise Creation, partOf, Fan Engagement Strategy>
+<Post_Production Audio Mixing, connectedTo, Actor Rehearsal>
+<Post_Production Audio Mixing, connectedTo, Concert Promotion>
+<Post_Production Audio Mixing, connectedTo, Red Carpet Event>
+<Post_Production Audio Mixing, connectedTo, Sponsorship Acquisition>
+<Post_Production Audio Mixing, connectedTo, Trailer Production>
+<Post_Production Audio Mixing, licenses, Trailer Production>
+<Red Carpet Event, connectedTo, Licensing Approval>
+<Scene Scheduling, partOf, Music Composition>
+<Scene Scheduling, screens, Film Festival Submission>
+<Scene Shooting, connectedTo, Awards Ceremony Production>
+<Scene Shooting, connectedTo, Costume Design>
+<Scene Shooting, connectedTo, Red Carpet Event>
+<Script Writing, audits, Location Scouting>
+<Script Writing, connectedTo, Trailer Production>
+<Sponsorship Acquisition, connectedTo, Concert Promotion>
+<Sponsorship Acquisition, connectedTo, Scene Scheduling>
+<Sponsorship Acquisition, preserves, Costume Design>
+<Streaming Setup, connectedTo, Costume Design>
+<Streaming Setup, connectedTo, Press Junket>
+<Streaming Setup, connectedTo, Trailer Production>
+<Streaming Setup, protects, Actor Rehearsal>
+<Ticketing Sales, connectedTo, Trailer Production>
+<Ticketing Sales, partOf, Music Composition>
+<Trailer Production, connectedTo, Casting Call>
+<Trailer Production, negotiates, Actor Rehearsal>
diff --git a/test/plantuml/graph_hard/plantuml_46.puml b/test/plantuml/graph_hard/plantuml_46.puml
new file mode 100644
index 0000000000000000000000000000000000000000..ec640594352abf93a9e5fd0049d0dcea294d21ce
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_46.puml
@@ -0,0 +1,78 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Regulatory Compliance" as Group0 #E0F2F1 {
+    rectangle "Citizen Science Initiative" as nest0_0 #EFE6FF
+    rectangle "Sustainability Review" as nest0_1 #F1F8FF
+}
+rectangle "Carbon Footprint Calculation" as Group1 #FCE4EC {
+    rectangle "Ecosystem Restoration" as nest1_0 #F1F8FF
+    frame "Species Reintroduction" as nest1_1 #F1F8FF
+    usecase "Energy Audit" as nest1_2 #F1F8FF
+}
+cloud "Pollution Control Technology" as N0 #FFF8E1
+usecase "Ecological Footprint Analysis" as N1 #F1F8FF
+folder "Green Certification" as N2 #EFE6FF
+node "Biodiversity Conservation" as N3 #FFF8E1
+database "Climate Modeling" as N4 #F1F8FF
+frame "Air Quality Monitoring" as N5 #EFE6FF
+folder "Ocean Cleanup" as N6 #F1F8FF
+folder "Sustainable Agriculture Practices" as N7 #EFE6FF
+component "Renewable Energy Project Development" as N8 #EFE6FF
+component "Resource Recovery" as N9 #F1F8FF
+usecase "Reforestation Planning" as N10 #F1F8FF
+folder "Water Sampling" as N11 #FFF8E1
+database "Groundwater Monitoring" as N12 #EFE6FF
+folder "Hazardous Material Handling" as N13 #EFE6FF
+artifact "Environmental Education Programs" as N14 #F1F8FF
+cloud "Emission Reporting" as N15 #EFE6FF
+frame "Renewable Energy Grid Integration" as N16 #FFF8E1
+node "Stormwater Management" as N17 #EFE6FF
+component "Recycling Process" as N18 #FFF8E1
+frame "Environmental Research" as N19 #F1F8FF
+circle " " as S0 #EFE6FF
+circle " " as S1 #F1F8FF
+circle " " as M1 #FFF8E1
+circle " " as M2 #F1F8FF
+N0 ..[#42A5F5]..> N1
+N1 -[#42A5F5]-> N2
+N2 -[#000000]-> N3
+N3 ..[#42A5F5]..> N4
+N4 ..[#42A5F5]..> N5 : analyzes
+N5 -[#FFD54F]-> N6
+N6 -[#FFD54F]-> N7
+N7 -[#42A5F5]-> N8
+N8 ..[#C2B2F0]..> N9
+N9 -[#C2B2F0]-> N10 : disposes
+N10 ..[#000000]..> N11
+N11 -[#C2B2F0]-> N12
+N12 -[#FFD54F]-> N13
+N13 ..[#000000]..> N14
+N14 ..[#000000]..> N15
+N15 -[#C2B2F0]-> N16
+N16 -[#FFD54F]-> N17
+N17 ..[#000000]..> N18
+N18 -[#FFD54F]-> N19
+nest0_0 ..[#000000]..> nest0_1
+N8 -[#FFD54F]-> nest0_0
+nest0_1 ..[#42A5F5]..> N13
+nest1_0 ..[#FFD54F]..> nest1_1
+nest1_1 ..[#C2B2F0]..> nest1_2
+N15 ..[#C2B2F0]..> nest1_0
+nest1_2 -[#FFD54F]-> N14
+N0 ..[#000000]..> S0
+S0 ..[#FFD54F]..> N9
+S0 -[#C2B2F0]-> N5 : implements
+N5 ..[#FFD54F]..> S1
+S1 ..[#000000]..> N16
+S1 -[#FFD54F]-> N19
+N4 -[#C2B2F0]-> M1
+N10 -[#C2B2F0]-> M1
+N7 -[#42A5F5]-> M1
+M1 ..[#C2B2F0]..> N14
+N1 ..[#C2B2F0]..> M2
+N6 ..[#42A5F5]..> M2
+N5 ..[#FFD54F]..> M2
+M2 ..[#000000]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_46.txt b/test/plantuml/graph_hard/plantuml_46.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9ae534a20e3313d553c7e14b54800bb7f19af28f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_46.txt
@@ -0,0 +1,41 @@
+<Air Quality Monitoring, connectedTo, Environmental Research>
+<Air Quality Monitoring, connectedTo, Ocean Cleanup>
+<Air Quality Monitoring, connectedTo, Renewable Energy Grid Integration>
+<Air Quality Monitoring, connectedTo, Renewable Energy Project Development>
+<Biodiversity Conservation, connectedTo, Climate Modeling>
+<Citizen Science Initiative, connectedTo, Sustainability Review>
+<Citizen Science Initiative, partOf, Regulatory Compliance>
+<Climate Modeling, analyzes, Air Quality Monitoring>
+<Climate Modeling, connectedTo, Environmental Education Programs>
+<Ecological Footprint Analysis, connectedTo, Green Certification>
+<Ecological Footprint Analysis, connectedTo, Renewable Energy Project Development>
+<Ecosystem Restoration, connectedTo, Species Reintroduction>
+<Ecosystem Restoration, partOf, Carbon Footprint Calculation>
+<Emission Reporting, connectedTo, Ecosystem Restoration>
+<Emission Reporting, connectedTo, Renewable Energy Grid Integration>
+<Energy Audit, connectedTo, Environmental Education Programs>
+<Energy Audit, partOf, Carbon Footprint Calculation>
+<Environmental Education Programs, connectedTo, Emission Reporting>
+<Green Certification, connectedTo, Biodiversity Conservation>
+<Groundwater Monitoring, connectedTo, Hazardous Material Handling>
+<Hazardous Material Handling, connectedTo, Environmental Education Programs>
+<Ocean Cleanup, connectedTo, Renewable Energy Project Development>
+<Ocean Cleanup, connectedTo, Sustainable Agriculture Practices>
+<Pollution Control Technology, connectedTo, Ecological Footprint Analysis>
+<Pollution Control Technology, connectedTo, Resource Recovery>
+<Pollution Control Technology, implements, Air Quality Monitoring>
+<Recycling Process, connectedTo, Environmental Research>
+<Reforestation Planning, connectedTo, Environmental Education Programs>
+<Reforestation Planning, connectedTo, Water Sampling>
+<Renewable Energy Grid Integration, connectedTo, Stormwater Management>
+<Renewable Energy Project Development, connectedTo, Citizen Science Initiative>
+<Renewable Energy Project Development, connectedTo, Resource Recovery>
+<Resource Recovery, disposes, Reforestation Planning>
+<Species Reintroduction, connectedTo, Energy Audit>
+<Species Reintroduction, partOf, Carbon Footprint Calculation>
+<Stormwater Management, connectedTo, Recycling Process>
+<Sustainability Review, connectedTo, Hazardous Material Handling>
+<Sustainability Review, partOf, Regulatory Compliance>
+<Sustainable Agriculture Practices, connectedTo, Environmental Education Programs>
+<Sustainable Agriculture Practices, connectedTo, Renewable Energy Project Development>
+<Water Sampling, connectedTo, Groundwater Monitoring>
diff --git a/test/plantuml/graph_hard/plantuml_47.puml b/test/plantuml/graph_hard/plantuml_47.puml
new file mode 100644
index 0000000000000000000000000000000000000000..d00f5919efea27d906ac01de050c0b548afef6fe
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_47.puml
@@ -0,0 +1,58 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Pollution Control Technology" as Group0 #F1F8E9 {
+    folder "Sustainable Agriculture Practices" as nest0_0 #D0EFEE
+    frame "Wildlife Survey" as nest0_1 #FFDCD6
+    database "Resource Tracking" as nest0_2 #DFE7EB
+    component "Hazardous Material Handling" as nest0_3 #D0EFEE
+}
+rectangle "Renewable Energy Grid Integration" as Group1 #ECEFF1 {
+    folder "Policy Advocacy" as nest1_0 #FFDCD6
+    rectangle "Waste Collection" as nest1_1 #DFE7EB
+    database "Stormwater Management" as nest1_2 #DFE7EB
+}
+artifact "Public Awareness Campaign" as N0 #FFDCD6
+artifact "Carbon Footprint Calculation" as N1 #DFE7EB
+component "Coastal Erosion Control" as N2 #DFE7EB
+rectangle "Noise Pollution Measurement" as N3 #D0EFEE
+rectangle "Energy Audit" as N4 #FFDCD6
+node "Green Certification" as N5 #D0EFEE
+artifact "Ecosystem Restoration" as N6 #FFDCD6
+folder "Environmental Research" as N7 #FFDCD6
+usecase "Reforestation Planning" as N8 #D0EFEE
+cloud "Citizen Science Initiative" as N9 #FFDCD6
+component "Water Sampling" as N10 #D0EFEE
+circle " " as S1 #D0EFEE
+circle " " as M1 #DFE7EB
+N0 -[#73C6BC]-> N1
+N1 -[#73C6BC]-> N2
+N2 -[#000000]-> N3 : recycles
+N3 ..[#73C6BC]..> N4
+N4 -[#73C6BC]-> N5
+N5 -[#000000]-> N6
+N6 -[#73C6BC]-> N7
+N7 -[#73C6BC]-> N8
+N8 ..[#000000]..> N9 : educates
+N9 ..[#000000]..> N10
+nest0_0 -[#B0C5CD]-> nest0_1
+nest0_1 ..[#B0C5CD]..> nest0_2
+nest0_2 -[#000000]-> nest0_3
+N5 -[#73C6BC]-> nest0_0
+nest0_3 -[#B0C5CD]-> N3
+nest1_0 -[#000000]-> nest1_1
+nest1_1 ..[#FFB2A5]..> nest1_2
+N4 ..[#B0C5CD]..> nest1_0
+nest1_2 -[#FFB2A5]-> N4
+N2 -[#000000]-> S1
+S1 ..[#FFB2A5]..> N7
+S1 ..[#73C6BC]..> N4
+S1 ..[#B0C5CD]..> N9
+S1 -[#73C6BC]-> N6
+N4 ..[#B0C5CD]..> M1
+N5 ..[#73C6BC]..> M1
+N3 ..[#B0C5CD]..> M1
+N2 -[#000000]-> M1 : samples
+M1 ..[#B0C5CD]..> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_47.txt b/test/plantuml/graph_hard/plantuml_47.txt
new file mode 100644
index 0000000000000000000000000000000000000000..553e4e5901d6977f2ad44bb0b9b6cfdab35b89c1
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_47.txt
@@ -0,0 +1,34 @@
+<Carbon Footprint Calculation, connectedTo, Coastal Erosion Control>
+<Citizen Science Initiative, connectedTo, Water Sampling>
+<Coastal Erosion Control, connectedTo, Citizen Science Initiative>
+<Coastal Erosion Control, connectedTo, Ecosystem Restoration>
+<Coastal Erosion Control, connectedTo, Energy Audit>
+<Coastal Erosion Control, connectedTo, Environmental Research>
+<Coastal Erosion Control, recycles, Noise Pollution Measurement>
+<Coastal Erosion Control, samples, Environmental Research>
+<Ecosystem Restoration, connectedTo, Environmental Research>
+<Energy Audit, connectedTo, Environmental Research>
+<Energy Audit, connectedTo, Green Certification>
+<Energy Audit, connectedTo, Policy Advocacy>
+<Environmental Research, connectedTo, Reforestation Planning>
+<Green Certification, connectedTo, Ecosystem Restoration>
+<Green Certification, connectedTo, Environmental Research>
+<Green Certification, connectedTo, Sustainable Agriculture Practices>
+<Hazardous Material Handling, connectedTo, Noise Pollution Measurement>
+<Hazardous Material Handling, partOf, Pollution Control Technology>
+<Noise Pollution Measurement, connectedTo, Energy Audit>
+<Noise Pollution Measurement, connectedTo, Environmental Research>
+<Policy Advocacy, connectedTo, Waste Collection>
+<Policy Advocacy, partOf, Renewable Energy Grid Integration>
+<Public Awareness Campaign, connectedTo, Carbon Footprint Calculation>
+<Reforestation Planning, educates, Citizen Science Initiative>
+<Resource Tracking, connectedTo, Hazardous Material Handling>
+<Resource Tracking, partOf, Pollution Control Technology>
+<Stormwater Management, connectedTo, Energy Audit>
+<Stormwater Management, partOf, Renewable Energy Grid Integration>
+<Sustainable Agriculture Practices, connectedTo, Wildlife Survey>
+<Sustainable Agriculture Practices, partOf, Pollution Control Technology>
+<Waste Collection, connectedTo, Stormwater Management>
+<Waste Collection, partOf, Renewable Energy Grid Integration>
+<Wildlife Survey, connectedTo, Resource Tracking>
+<Wildlife Survey, partOf, Pollution Control Technology>
diff --git a/test/plantuml/graph_hard/plantuml_48.puml b/test/plantuml/graph_hard/plantuml_48.puml
new file mode 100644
index 0000000000000000000000000000000000000000..61f45679dc7d55a07f07008257761786630c65ca
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_48.puml
@@ -0,0 +1,60 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Species Reintroduction" as Group0 #EDE7F6 {
+    frame "Sustainable Agriculture Practices" as nest0_0 #F6F6F6
+    node "Ecosystem Restoration" as nest0_1 #F1F8E9
+    folder "Energy Audit" as nest0_2 #E8F0EA
+}
+rectangle "Soil Testing" as Group1 #FFF3E0 {
+    usecase "Public Awareness Campaign" as nest1_0 #F6F6F6
+    artifact "Pollution Alert" as nest1_1 #F6F6F6
+}
+cloud "Waste Water Treatment" as N0 #F6F6F6
+node "Renewable Energy Project Development" as N1 #F6F6F6
+folder "Carbon Footprint Calculation" as N2 #F1F8E9
+usecase "Environmental Education Programs" as N3 #E8F0EA
+artifact "Renewable Energy Grid Integration" as N4 #E8F0EA
+component "Reforestation Planning" as N5 #F1F8E9
+rectangle "Water Sampling" as N6 #F6F6F6
+database "Environmental Research" as N7 #F6F6F6
+usecase "Citizen Science Initiative" as N8 #F1F8E9
+artifact "Regulatory Compliance" as N9 #E8F0EA
+component "Noise Pollution Measurement" as N10 #F6F6F6
+folder "Waste Collection" as N11 #F6F6F6
+circle " " as S0 #F1F8E9
+circle " " as S1 #F1F8E9
+circle " " as M2 #F6F6F6
+N0 ..[#000000]..> N1
+N1 -[#92C79A]-> N2
+N2 -[#388E3C]-> N3 : regulates
+N3 ..[#388E3C]..> N4
+N4 ..[#000000]..> N5
+N5 -[#388E3C]-> N6
+N6 -[#388E3C]-> N7
+N7 -[#CFCFCF]-> N8
+N8 -[#000000]-> N9
+N9 ..[#000000]..> N10 : manages
+N10 -[#388E3C]-> N11
+nest0_0 ..[#92C79A]..> nest0_1
+nest0_1 -[#CFCFCF]-> nest0_2
+N3 ..[#000000]..> nest0_0
+nest0_2 ..[#000000]..> N9
+nest1_0 -[#388E3C]-> nest1_1
+N3 -[#CFCFCF]-> nest1_0
+nest1_1 ..[#000000]..> N5
+N0 -[#388E3C]-> S0
+S0 -[#000000]-> N11
+S0 ..[#388E3C]..> N9
+S0 -[#000000]-> N7
+S0 ..[#CFCFCF]..> N3
+N4 -[#388E3C]-> S1
+S1 ..[#388E3C]..> N11
+S1 -[#000000]-> N8
+S1 -[#000000]-> N10
+S1 -[#CFCFCF]-> N6
+N5 ..[#CFCFCF]..> M2
+N3 ..[#CFCFCF]..> M2
+M2 ..[#388E3C]..> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_48.txt b/test/plantuml/graph_hard/plantuml_48.txt
new file mode 100644
index 0000000000000000000000000000000000000000..758f52a585f3124fcb4de7198552a71cdaffc066
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_48.txt
@@ -0,0 +1,33 @@
+<Carbon Footprint Calculation, regulates, Environmental Education Programs>
+<Citizen Science Initiative, connectedTo, Regulatory Compliance>
+<Ecosystem Restoration, connectedTo, Energy Audit>
+<Ecosystem Restoration, partOf, Species Reintroduction>
+<Energy Audit, connectedTo, Regulatory Compliance>
+<Energy Audit, partOf, Species Reintroduction>
+<Environmental Education Programs, connectedTo, Environmental Research>
+<Environmental Education Programs, connectedTo, Public Awareness Campaign>
+<Environmental Education Programs, connectedTo, Renewable Energy Grid Integration>
+<Environmental Education Programs, connectedTo, Sustainable Agriculture Practices>
+<Environmental Research, connectedTo, Citizen Science Initiative>
+<Noise Pollution Measurement, connectedTo, Waste Collection>
+<Pollution Alert, connectedTo, Reforestation Planning>
+<Pollution Alert, partOf, Soil Testing>
+<Public Awareness Campaign, connectedTo, Pollution Alert>
+<Public Awareness Campaign, partOf, Soil Testing>
+<Reforestation Planning, connectedTo, Environmental Research>
+<Reforestation Planning, connectedTo, Water Sampling>
+<Regulatory Compliance, manages, Noise Pollution Measurement>
+<Renewable Energy Grid Integration, connectedTo, Citizen Science Initiative>
+<Renewable Energy Grid Integration, connectedTo, Noise Pollution Measurement>
+<Renewable Energy Grid Integration, connectedTo, Reforestation Planning>
+<Renewable Energy Grid Integration, connectedTo, Waste Collection>
+<Renewable Energy Grid Integration, connectedTo, Water Sampling>
+<Renewable Energy Project Development, connectedTo, Carbon Footprint Calculation>
+<Sustainable Agriculture Practices, connectedTo, Ecosystem Restoration>
+<Sustainable Agriculture Practices, partOf, Species Reintroduction>
+<Waste Water Treatment, connectedTo, Environmental Education Programs>
+<Waste Water Treatment, connectedTo, Environmental Research>
+<Waste Water Treatment, connectedTo, Regulatory Compliance>
+<Waste Water Treatment, connectedTo, Renewable Energy Project Development>
+<Waste Water Treatment, connectedTo, Waste Collection>
+<Water Sampling, connectedTo, Environmental Research>
diff --git a/test/plantuml/graph_hard/plantuml_49.puml b/test/plantuml/graph_hard/plantuml_49.puml
new file mode 100644
index 0000000000000000000000000000000000000000..5fa93262024eb6d5fe574fb4c2eae0164c810df9
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_49.puml
@@ -0,0 +1,79 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Social Security Administration" as Group0 #EDE7F6 {
+    usecase "Vehicle Registration" as nest0_0 #B3E5FC
+    component "International Relations" as nest0_1 #D3F7F9
+    usecase "Open Government Data Initiative" as nest0_2 #B3E5FC
+}
+rectangle "Grant Distribution" as Group1 #E8F5E9 {
+    cloud "Border Control" as nest1_0 #FFFDE7
+    component "Business Licensing" as nest1_1 #FFFDE7
+    rectangle "Public Sector Procurement" as nest1_2 #B3E5FC
+    folder "Permit Application" as nest1_3 #B3E5FC
+}
+frame "National Defense" as N0 #B3E5FC
+frame "Election Management" as N1 #B3E5FC
+artifact "Public Records Request" as N2 #B3E5FC
+cloud "Diplomatic Negotiation" as N3 #B3E5FC
+folder "Legal Advisory" as N4 #FFFDE7
+cloud "Passport Issuance" as N5 #B3E5FC
+folder "Infrastructure Planning" as N6 #B3E5FC
+frame "Tax Filing" as N7 #FFFDE7
+folder "Census Collection" as N8 #D3F7F9
+rectangle "Legislation Review" as N9 #FFFDE7
+node "Social Program Review" as N10 #D3F7F9
+folder "Urban Planning" as N11 #B3E5FC
+folder "Veterans Affairs" as N12 #FFFDE7
+folder "Transparency Audit" as N13 #B3E5FC
+folder "Driver's License Renewal" as N14 #FFFDE7
+database "Policy Drafting" as N15 #D3F7F9
+usecase "Emergency Preparedness" as N16 #D3F7F9
+circle " " as S0 #FFFDE7
+circle " " as S1 #FFFDE7
+circle " " as M0 #B3E5FC
+circle " " as M1 #B3E5FC
+circle " " as M2 #FFFDE7
+N0 ..[#000000]..> N1
+N1 ..[#FBC02D]..> N2 : enforces
+N2 -[#03A9F4]-> N3
+N3 -[#03A9F4]-> N4
+N4 ..[#000000]..> N5
+N5 -[#80DDEA]-> N6
+N6 -[#80DDEA]-> N7
+N7 -[#000000]-> N8
+N8 -[#03A9F4]-> N9
+N9 ..[#FBC02D]..> N10
+N10 -[#03A9F4]-> N11
+N11 -[#000000]-> N12 : monitors
+N12 -[#03A9F4]-> N13
+N13 ..[#000000]..> N14
+N14 ..[#80DDEA]..> N15
+N15 -[#000000]-> N16
+nest0_0 -[#000000]-> nest0_1
+nest0_1 -[#80DDEA]-> nest0_2
+N3 -[#000000]-> nest0_0
+nest0_2 ..[#000000]..> N10 : evaluates
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 ..[#80DDEA]..> nest1_2 : funds
+nest1_2 -[#03A9F4]-> nest1_3 : subsidizes
+N13 ..[#000000]..> nest1_0
+nest1_3 -[#000000]-> N9
+N12 ..[#FBC02D]..> S0
+S0 ..[#000000]..> N15 : secures
+S0 ..[#FBC02D]..> N16 : approves
+S0 -[#FBC02D]-> N14
+N12 ..[#FBC02D]..> S1
+S1 -[#FBC02D]-> N16
+S1 -[#80DDEA]-> N15
+N10 -[#FBC02D]-> M0
+N6 ..[#FBC02D]..> M0
+M0 ..[#80DDEA]..> N12
+N6 -[#03A9F4]-> M1
+N0 ..[#03A9F4]..> M1
+M1 ..[#FBC02D]..> N10
+N2 ..[#000000]..> M2
+N0 -[#FBC02D]-> M2
+M2 -[#FBC02D]-> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_49.txt b/test/plantuml/graph_hard/plantuml_49.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c21692868cb2688c87a13b8ef03cf15163cc2361
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_49.txt
@@ -0,0 +1,43 @@
+<Border Control, connectedTo, Business Licensing>
+<Border Control, partOf, Grant Distribution>
+<Business Licensing, funds, Public Sector Procurement>
+<Business Licensing, partOf, Grant Distribution>
+<Census Collection, connectedTo, Legislation Review>
+<Diplomatic Negotiation, connectedTo, Legal Advisory>
+<Diplomatic Negotiation, connectedTo, Vehicle Registration>
+<Driver's License Renewal, connectedTo, Policy Drafting>
+<Election Management, enforces, Public Records Request>
+<Infrastructure Planning, connectedTo, Social Program Review>
+<Infrastructure Planning, connectedTo, Tax Filing>
+<Infrastructure Planning, connectedTo, Veterans Affairs>
+<International Relations, connectedTo, Open Government Data Initiative>
+<International Relations, partOf, Social Security Administration>
+<Legal Advisory, connectedTo, Passport Issuance>
+<Legislation Review, connectedTo, Social Program Review>
+<National Defense, connectedTo, Election Management>
+<National Defense, connectedTo, Legal Advisory>
+<National Defense, connectedTo, Social Program Review>
+<Open Government Data Initiative, evaluates, Social Program Review>
+<Open Government Data Initiative, partOf, Social Security Administration>
+<Passport Issuance, connectedTo, Infrastructure Planning>
+<Permit Application, connectedTo, Legislation Review>
+<Permit Application, partOf, Grant Distribution>
+<Policy Drafting, connectedTo, Emergency Preparedness>
+<Public Records Request, connectedTo, Diplomatic Negotiation>
+<Public Records Request, connectedTo, Legal Advisory>
+<Public Sector Procurement, partOf, Grant Distribution>
+<Public Sector Procurement, subsidizes, Permit Application>
+<Social Program Review, connectedTo, Urban Planning>
+<Social Program Review, connectedTo, Veterans Affairs>
+<Tax Filing, connectedTo, Census Collection>
+<Transparency Audit, connectedTo, Border Control>
+<Transparency Audit, connectedTo, Driver's License Renewal>
+<Urban Planning, monitors, Veterans Affairs>
+<Vehicle Registration, connectedTo, International Relations>
+<Vehicle Registration, partOf, Social Security Administration>
+<Veterans Affairs, approves, Emergency Preparedness>
+<Veterans Affairs, connectedTo, Driver's License Renewal>
+<Veterans Affairs, connectedTo, Emergency Preparedness>
+<Veterans Affairs, connectedTo, Policy Drafting>
+<Veterans Affairs, connectedTo, Transparency Audit>
+<Veterans Affairs, secures, Policy Drafting>
diff --git a/test/plantuml/graph_hard/plantuml_5.puml b/test/plantuml/graph_hard/plantuml_5.puml
new file mode 100644
index 0000000000000000000000000000000000000000..5b6df4d8b21b78cf6d6b1c2044c6be9953142db2
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_5.puml
@@ -0,0 +1,66 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Wound Care" as Group0 #E8F5E9 {
+    usecase "Surgery" as nest0_0 #F2E6F5
+    folder "Telemedicine Consultation" as nest0_1 #FFE88D
+    folder "Follow_up" as nest0_2 #FFE88D
+    folder "Biopsy" as nest0_3 #F2E6F5
+}
+rectangle "Patient Education" as Group1 #FCE4EC {
+    cloud "Clinical Trial" as nest1_0 #F2E6F5
+    folder "Health Screening" as nest1_1 #FFE88D
+    cloud "Case Review" as nest1_2 #F2E6F5
+    cloud "Medical Record Keeping" as nest1_3 #F2E6F5
+}
+folder "Nutritional Counseling" as N0 #F3E5F5
+database "Prescription" as N1 #FFE88D
+component "Insurance Claim" as N2 #F3E5F5
+cloud "Medical History" as N3 #FFE88D
+frame "Genetic Counseling" as N4 #F3E5F5
+rectangle "Pharmacy Order" as N5 #F2E6F5
+usecase "Pain Management" as N6 #FFE88D
+usecase "Mental Health Assessment" as N7 #F2E6F5
+folder "Referral" as N8 #F2E6F5
+usecase "Diagnosis" as N9 #F2E6F5
+folder "Dental Check_up" as N10 #F2E6F5
+database "Lab Test" as N11 #F2E6F5
+folder "Physical Examination" as N12 #FFE88D
+rectangle "Home Care Visit" as N13 #FFE88D
+circle " " as S0 #F3E5F5
+circle " " as S1 #F3E5F5
+circle " " as M0 #F3E5F5
+N0 -[#BA68C8]-> N1 : monitors
+N1 -[#FFDA4E]-> N2
+N2 ..[#000000]..> N3
+N3 -[#BA68C8]-> N4
+N4 ..[#000000]..> N5
+N5 ..[#CB9BE1]..> N6
+N6 -[#FFDA4E]-> N7
+N7 -[#FFDA4E]-> N8
+N8 ..[#BA68C8]..> N9
+N9 ..[#BA68C8]..> N10
+N10 ..[#000000]..> N11
+N11 ..[#BA68C8]..> N12
+N12 -[#FFDA4E]-> N13
+nest0_0 ..[#BA68C8]..> nest0_1
+nest0_1 ..[#BA68C8]..> nest0_2
+nest0_2 ..[#CB9BE1]..> nest0_3
+N10 ..[#FFDA4E]..> nest0_0
+nest0_3 -[#BA68C8]-> N7
+nest1_0 -[#CB9BE1]-> nest1_1
+nest1_1 -[#FFDA4E]-> nest1_2
+nest1_2 ..[#CB9BE1]..> nest1_3
+N2 -[#000000]-> nest1_0
+nest1_3 -[#BA68C8]-> N9
+N5 -[#CB9BE1]-> S0
+S0 -[#FFDA4E]-> N9
+S0 ..[#CB9BE1]..> N8
+N5 -[#CB9BE1]-> S1
+S1 -[#BA68C8]-> N9
+S1 ..[#000000]..> N11
+N1 ..[#000000]..> M0
+N0 -[#CB9BE1]-> M0
+M0 -[#BA68C8]-> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_5.txt b/test/plantuml/graph_hard/plantuml_5.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4f79a60b82c8c5b854ac6ad215c395d55d076705
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_5.txt
@@ -0,0 +1,36 @@
+<Biopsy, connectedTo, Mental Health Assessment>
+<Biopsy, partOf, Wound Care>
+<Case Review, connectedTo, Medical Record Keeping>
+<Case Review, partOf, Patient Education>
+<Clinical Trial, connectedTo, Health Screening>
+<Clinical Trial, partOf, Patient Education>
+<Dental Check_up, connectedTo, Lab Test>
+<Dental Check_up, connectedTo, Surgery>
+<Diagnosis, connectedTo, Dental Check_up>
+<Follow_up, connectedTo, Biopsy>
+<Follow_up, partOf, Wound Care>
+<Genetic Counseling, connectedTo, Pharmacy Order>
+<Health Screening, connectedTo, Case Review>
+<Health Screening, partOf, Patient Education>
+<Insurance Claim, connectedTo, Clinical Trial>
+<Insurance Claim, connectedTo, Medical History>
+<Lab Test, connectedTo, Physical Examination>
+<Medical History, connectedTo, Genetic Counseling>
+<Medical Record Keeping, connectedTo, Diagnosis>
+<Medical Record Keeping, partOf, Patient Education>
+<Mental Health Assessment, connectedTo, Referral>
+<Nutritional Counseling, connectedTo, Medical History>
+<Nutritional Counseling, monitors, Prescription>
+<Pain Management, connectedTo, Mental Health Assessment>
+<Pharmacy Order, connectedTo, Diagnosis>
+<Pharmacy Order, connectedTo, Lab Test>
+<Pharmacy Order, connectedTo, Pain Management>
+<Pharmacy Order, connectedTo, Referral>
+<Physical Examination, connectedTo, Home Care Visit>
+<Prescription, connectedTo, Insurance Claim>
+<Prescription, connectedTo, Medical History>
+<Referral, connectedTo, Diagnosis>
+<Surgery, connectedTo, Telemedicine Consultation>
+<Surgery, partOf, Wound Care>
+<Telemedicine Consultation, connectedTo, Follow_up>
+<Telemedicine Consultation, partOf, Wound Care>
diff --git a/test/plantuml/graph_hard/plantuml_50.puml b/test/plantuml/graph_hard/plantuml_50.puml
new file mode 100644
index 0000000000000000000000000000000000000000..7f9fab47782fe545a39ea2c0f5e2b1a1d36e025e
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_50.puml
@@ -0,0 +1,74 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Public Sector Procurement" as Group0 #E8F5E9 {
+    node "Diplomatic Negotiation" as nest0_0 #FFF3E0
+    artifact "Urban Planning" as nest0_1 #FFF3E0
+}
+rectangle "Service Registration" as Group1 #E3F2FD {
+    cloud "Driver's License Renewal" as nest1_0 #ECF0FD
+    usecase "Code Enforcement" as nest1_1 #E0F7FA
+}
+component "International Relations" as N0 #E0F7FA
+node "Vehicle Registration" as N1 #E0F7FA
+artifact "Tax Filing" as N2 #ECF0FD
+folder "Infrastructure Planning" as N3 #FFF3E0
+usecase "Public Consultation" as N4 #ECF0FD
+database "Public Hearing" as N5 #E0F7FA
+node "Data Publishing" as N6 #E0F7FA
+folder "Citizen Feedback" as N7 #ECF0FD
+rectangle "Social Program Review" as N8 #FFF3E0
+cloud "Policy Drafting" as N9 #E0F7FA
+node "Legislation Review" as N10 #E0F7FA
+folder "Budget Allocation" as N11 #FFF3E0
+artifact "Grant Distribution" as N12 #ECF0FD
+component "Emergency Preparedness" as N13 #FFF3E0
+component "Public Health Initiative" as N14 #FFF3E0
+artifact "Education Policy" as N15 #FFF3E0
+component "Open Government Data Initiative" as N16 #E0F7FA
+folder "ID Verification" as N17 #E0F7FA
+component "Transparency Audit" as N18 #E0F7FA
+rectangle "Compliance Checking" as N19 #E0F7FA
+circle " " as S0 #ECF0FD
+circle " " as S1 #ECF0FD
+circle " " as S2 #ECF0FD
+N0 -[#000000]-> N1
+N1 -[#B8C0F5]-> N2
+N2 ..[#B8C0F5]..> N3
+N3 -[#00BCD4]-> N4
+N4 -[#000000]-> N5
+N5 -[#FFA726]-> N6
+N6 ..[#00BCD4]..> N7
+N7 ..[#000000]..> N8
+N8 -[#B8C0F5]-> N9
+N9 ..[#00BCD4]..> N10
+N10 ..[#000000]..> N11
+N11 -[#000000]-> N12
+N12 -[#B8C0F5]-> N13
+N13 ..[#B8C0F5]..> N14
+N14 -[#B8C0F5]-> N15
+N15 -[#FFA726]-> N16
+N16 -[#00BCD4]-> N17
+N17 ..[#FFA726]..> N18
+N18 -[#FFA726]-> N19
+nest0_0 -[#B8C0F5]-> nest0_1
+N5 ..[#B8C0F5]..> nest0_0
+nest0_1 -[#00BCD4]-> N5
+nest1_0 ..[#00BCD4]..> nest1_1
+N12 -[#000000]-> nest1_0
+nest1_1 ..[#00BCD4]..> N16
+N2 -[#00BCD4]-> S0
+S0 -[#FFA726]-> N10
+S0 ..[#000000]..> N12
+S0 ..[#00BCD4]..> N13
+N2 -[#B8C0F5]-> S1
+S1 ..[#000000]..> N4
+S1 -[#00BCD4]-> N12
+N3 -[#FFA726]-> S2
+S2 -[#FFA726]-> N10
+S2 -[#B8C0F5]-> N7
+S2 ..[#FFA726]..> N17
+S2 -[#00BCD4]-> N14
+N7 -[#B8C0F5]-> nest1_0
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_50.txt b/test/plantuml/graph_hard/plantuml_50.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d6e03e186be656240b37960656528b7d1e4f0515
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_50.txt
@@ -0,0 +1,38 @@
+<Budget Allocation, connectedTo, Grant Distribution>
+<Citizen Feedback, connectedTo, Driver's License Renewal>
+<Citizen Feedback, connectedTo, Social Program Review>
+<Code Enforcement, connectedTo, Open Government Data Initiative>
+<Code Enforcement, partOf, Service Registration>
+<Data Publishing, connectedTo, Citizen Feedback>
+<Diplomatic Negotiation, connectedTo, Urban Planning>
+<Diplomatic Negotiation, partOf, Public Sector Procurement>
+<Driver's License Renewal, connectedTo, Code Enforcement>
+<Driver's License Renewal, partOf, Service Registration>
+<Education Policy, connectedTo, Open Government Data Initiative>
+<Emergency Preparedness, connectedTo, Public Health Initiative>
+<Grant Distribution, connectedTo, Driver's License Renewal>
+<Grant Distribution, connectedTo, Emergency Preparedness>
+<ID Verification, connectedTo, Transparency Audit>
+<Infrastructure Planning, connectedTo, Citizen Feedback>
+<Infrastructure Planning, connectedTo, ID Verification>
+<Infrastructure Planning, connectedTo, Legislation Review>
+<Infrastructure Planning, connectedTo, Public Consultation>
+<Infrastructure Planning, connectedTo, Public Health Initiative>
+<International Relations, connectedTo, Vehicle Registration>
+<Legislation Review, connectedTo, Budget Allocation>
+<Open Government Data Initiative, connectedTo, ID Verification>
+<Policy Drafting, connectedTo, Legislation Review>
+<Public Consultation, connectedTo, Public Hearing>
+<Public Health Initiative, connectedTo, Education Policy>
+<Public Hearing, connectedTo, Data Publishing>
+<Public Hearing, connectedTo, Diplomatic Negotiation>
+<Social Program Review, connectedTo, Policy Drafting>
+<Tax Filing, connectedTo, Emergency Preparedness>
+<Tax Filing, connectedTo, Grant Distribution>
+<Tax Filing, connectedTo, Infrastructure Planning>
+<Tax Filing, connectedTo, Legislation Review>
+<Tax Filing, connectedTo, Public Consultation>
+<Transparency Audit, connectedTo, Compliance Checking>
+<Urban Planning, connectedTo, Public Hearing>
+<Urban Planning, partOf, Public Sector Procurement>
+<Vehicle Registration, connectedTo, Tax Filing>
diff --git a/test/plantuml/graph_hard/plantuml_51.puml b/test/plantuml/graph_hard/plantuml_51.puml
new file mode 100644
index 0000000000000000000000000000000000000000..d3e791d365c43e6fb6ff3af4c6b752cfdbfc7fe0
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_51.puml
@@ -0,0 +1,68 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Vehicle Registration" as Group0 #ECEFF1 {
+    usecase "Legal Advisory" as nest0_0 #E9F7E8
+    frame "Interdepartmental Approval" as nest0_1 #E9F7E8
+}
+rectangle "Census Collection" as Group1 #FCE4EC {
+    frame "Social Security Administration" as nest1_0 #FFF8E1
+    frame "Public Sector Procurement" as nest1_1 #E9F7E8
+    cloud "Whistleblower Protection" as nest1_2 #F8FDD3
+}
+node "Open Government Data Initiative" as N0 #F8FDD3
+component "Driver's License Renewal" as N1 #F8FDD3
+frame "Transparency Audit" as N2 #FFF8E1
+artifact "Diplomatic Negotiation" as N3 #F8FDD3
+component "International Relations" as N4 #FFF8E1
+rectangle "Public Hearing" as N5 #FFF8E1
+cloud "Election Management" as N6 #FFF8E1
+usecase "Policy Drafting" as N7 #FFF8E1
+rectangle "Public Consultation" as N8 #FFF8E1
+cloud "Public Records Request" as N9 #E9F7E8
+cloud "Urban Planning" as N10 #E9F7E8
+artifact "Public Health Initiative" as N11 #FFF8E1
+circle " " as S0 #F8FDD3
+circle " " as S1 #FFF8E1
+circle " " as M0 #FFF8E1
+circle " " as M1 #F8FDD3
+circle " " as M2 #F8FDD3
+N0 -[#FFD54F]-> N1
+N1 ..[#6EB76D]..> N2
+N2 -[#000000]-> N3 : plans
+N3 ..[#FFD54F]..> N4
+N4 -[#000000]-> N5 : protects
+N5 ..[#6EB76D]..> N6 : subsidizes
+N6 -[#6EB76D]-> N7
+N7 -[#FFD54F]-> N8
+N8 ..[#6EB76D]..> N9
+N9 -[#6EB76D]-> N10 : communicates
+N10 ..[#000000]..> N11
+nest0_0 ..[#000000]..> nest0_1
+N9 ..[#D3EB9F]..> nest0_0
+nest0_1 -[#000000]-> N3
+nest1_0 ..[#D3EB9F]..> nest1_1
+nest1_1 ..[#6EB76D]..> nest1_2
+N3 ..[#6EB76D]..> nest1_0
+nest1_2 -[#000000]-> N3
+N4 -[#000000]-> S0
+S0 -[#D3EB9F]-> N8
+S0 ..[#000000]..> N7
+S0 -[#000000]-> N6
+S0 ..[#000000]..> N9
+N5 ..[#6EB76D]..> S1
+S1 -[#D3EB9F]-> N11
+S1 ..[#D3EB9F]..> N8
+N0 -[#000000]-> M0
+N1 ..[#FFD54F]..> M0 : collects
+M0 ..[#000000]..> N3
+N2 -[#000000]-> M1
+N4 ..[#FFD54F]..> M1
+N7 ..[#6EB76D]..> M1 : licenses
+N9 -[#000000]-> M1
+M1 ..[#FFD54F]..> N11
+N1 -[#000000]-> M2
+N0 ..[#D3EB9F]..> M2 : administers
+M2 ..[#000000]..> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_51.txt b/test/plantuml/graph_hard/plantuml_51.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0a657b93065a185005f8389cf91a54b750adbd8c
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_51.txt
@@ -0,0 +1,37 @@
+<Diplomatic Negotiation, connectedTo, International Relations>
+<Diplomatic Negotiation, connectedTo, Social Security Administration>
+<Driver's License Renewal, collects, Diplomatic Negotiation>
+<Driver's License Renewal, connectedTo, Diplomatic Negotiation>
+<Driver's License Renewal, connectedTo, Transparency Audit>
+<Election Management, connectedTo, Policy Drafting>
+<Interdepartmental Approval, connectedTo, Diplomatic Negotiation>
+<Interdepartmental Approval, partOf, Vehicle Registration>
+<International Relations, connectedTo, Election Management>
+<International Relations, connectedTo, Policy Drafting>
+<International Relations, connectedTo, Public Consultation>
+<International Relations, connectedTo, Public Health Initiative>
+<International Relations, connectedTo, Public Records Request>
+<International Relations, protects, Public Hearing>
+<Legal Advisory, connectedTo, Interdepartmental Approval>
+<Legal Advisory, partOf, Vehicle Registration>
+<Open Government Data Initiative, administers, Diplomatic Negotiation>
+<Open Government Data Initiative, connectedTo, Diplomatic Negotiation>
+<Open Government Data Initiative, connectedTo, Driver's License Renewal>
+<Policy Drafting, connectedTo, Public Consultation>
+<Policy Drafting, licenses, Public Health Initiative>
+<Public Consultation, connectedTo, Public Records Request>
+<Public Hearing, connectedTo, Public Consultation>
+<Public Hearing, connectedTo, Public Health Initiative>
+<Public Hearing, subsidizes, Election Management>
+<Public Records Request, communicates, Urban Planning>
+<Public Records Request, connectedTo, Legal Advisory>
+<Public Records Request, connectedTo, Public Health Initiative>
+<Public Sector Procurement, connectedTo, Whistleblower Protection>
+<Public Sector Procurement, partOf, Census Collection>
+<Social Security Administration, connectedTo, Public Sector Procurement>
+<Social Security Administration, partOf, Census Collection>
+<Transparency Audit, connectedTo, Public Health Initiative>
+<Transparency Audit, plans, Diplomatic Negotiation>
+<Urban Planning, connectedTo, Public Health Initiative>
+<Whistleblower Protection, connectedTo, Diplomatic Negotiation>
+<Whistleblower Protection, partOf, Census Collection>
diff --git a/test/plantuml/graph_hard/plantuml_52.puml b/test/plantuml/graph_hard/plantuml_52.puml
new file mode 100644
index 0000000000000000000000000000000000000000..b402cf7197c75d03def40c552fcca2696e7d46b7
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_52.puml
@@ -0,0 +1,76 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Supplier Payment" as Group0 #ECEFF1 {
+    usecase "Stock Replenishment" as nest0_0 #ECCFF5
+    rectangle "Staff Training" as nest0_1 #FCE4EC
+    folder "Curbside Delivery" as nest0_2 #ECCFF5
+}
+rectangle "Fitting Room Management" as Group1 #FBE9E7 {
+    component "E_commerce Platform Integration" as nest1_0 #ECCFF5
+    frame "Receipt Issuing" as nest1_1 #ECCFF5
+    folder "Product Demonstration" as nest1_2 #DFE7EB
+}
+folder "Vendor Managed Inventory" as N0 #DFE7EB
+node "Shelf Restocking" as N1 #ECCFF5
+frame "Payment Processing" as N2 #ECCFF5
+node "Security Tagging" as N3 #ECCFF5
+component "Daily Report Generation" as N4 #ECCFF5
+node "Sales Forecasting" as N5 #DFE7EB
+usecase "Customer Survey" as N6 #ECCFF5
+folder "Store Layout Design" as N7 #ECCFF5
+node "Customer Engagement" as N8 #FCE4EC
+frame "Promotion Planning" as N9 #DFE7EB
+rectangle "Supplier Coordination" as N10 #DFE7EB
+folder "Price Tagging" as N11 #DFE7EB
+usecase "Customer Checkout" as N12 #ECCFF5
+artifact "Inventory Check" as N13 #DFE7EB
+rectangle "Visual Merchandising" as N14 #DFE7EB
+cloud "Loyalty Program Update" as N15 #DFE7EB
+folder "Barcode Scanning" as N16 #ECCFF5
+artifact "Discount Application" as N17 #DFE7EB
+database "Loss Prevention" as N18 #FCE4EC
+rectangle "Product Listing" as N19 #FCE4EC
+circle " " as S0 #FCE4EC
+circle " " as S1 #ECCFF5
+circle " " as M0 #ECCFF5
+N0 ..[#000000]..> N1
+N1 ..[#F06292]..> N2
+N2 ..[#F06292]..> N3
+N3 -[#000000]-> N4
+N4 -[#CD8FF2]-> N5
+N5 ..[#CD8FF2]..> N6
+N6 ..[#CD8FF2]..> N7
+N7 -[#CD8FF2]-> N8
+N8 -[#000000]-> N9
+N9 ..[#B0C5CD]..> N10
+N10 -[#CD8FF2]-> N11
+N11 ..[#CD8FF2]..> N12
+N12 -[#F06292]-> N13
+N13 -[#B0C5CD]-> N14
+N14 -[#CD8FF2]-> N15
+N15 ..[#CD8FF2]..> N16
+N16 ..[#CD8FF2]..> N17
+N17 -[#B0C5CD]-> N18
+N18 ..[#000000]..> N19
+nest0_0 ..[#B0C5CD]..> nest0_1
+nest0_1 ..[#B0C5CD]..> nest0_2
+N17 -[#B0C5CD]-> nest0_0
+nest0_2 -[#CD8FF2]-> N18
+nest1_0 -[#000000]-> nest1_1
+nest1_1 ..[#F06292]..> nest1_2
+N11 -[#F06292]-> nest1_0
+nest1_2 -[#B0C5CD]-> N14
+N11 -[#B0C5CD]-> S0
+S0 ..[#B0C5CD]..> N18
+S0 ..[#F06292]..> N17
+S0 -[#F06292]-> N13
+N9 ..[#F06292]..> S1
+S1 -[#F06292]-> N11 : receives
+S1 -[#000000]-> N13 : processes
+S1 -[#CD8FF2]-> N19
+N3 ..[#000000]..> M0
+N4 -[#F06292]-> M0
+M0 -[#F06292]-> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_52.txt b/test/plantuml/graph_hard/plantuml_52.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3faa06a1f3808d1e04be10091589973d46f9188d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_52.txt
@@ -0,0 +1,41 @@
+<Barcode Scanning, connectedTo, Discount Application>
+<Curbside Delivery, connectedTo, Loss Prevention>
+<Curbside Delivery, partOf, Supplier Payment>
+<Customer Checkout, connectedTo, Inventory Check>
+<Customer Engagement, connectedTo, Promotion Planning>
+<Customer Survey, connectedTo, Store Layout Design>
+<Daily Report Generation, connectedTo, Customer Survey>
+<Daily Report Generation, connectedTo, Sales Forecasting>
+<Discount Application, connectedTo, Loss Prevention>
+<Discount Application, connectedTo, Stock Replenishment>
+<E_commerce Platform Integration, connectedTo, Receipt Issuing>
+<E_commerce Platform Integration, partOf, Fitting Room Management>
+<Inventory Check, connectedTo, Visual Merchandising>
+<Loss Prevention, connectedTo, Product Listing>
+<Loyalty Program Update, connectedTo, Barcode Scanning>
+<Payment Processing, connectedTo, Security Tagging>
+<Price Tagging, connectedTo, Customer Checkout>
+<Price Tagging, connectedTo, Discount Application>
+<Price Tagging, connectedTo, E_commerce Platform Integration>
+<Price Tagging, connectedTo, Inventory Check>
+<Price Tagging, connectedTo, Loss Prevention>
+<Product Demonstration, connectedTo, Visual Merchandising>
+<Product Demonstration, partOf, Fitting Room Management>
+<Promotion Planning, connectedTo, Product Listing>
+<Promotion Planning, connectedTo, Supplier Coordination>
+<Promotion Planning, processes, Inventory Check>
+<Promotion Planning, receives, Price Tagging>
+<Receipt Issuing, connectedTo, Product Demonstration>
+<Receipt Issuing, partOf, Fitting Room Management>
+<Sales Forecasting, connectedTo, Customer Survey>
+<Security Tagging, connectedTo, Customer Survey>
+<Security Tagging, connectedTo, Daily Report Generation>
+<Shelf Restocking, connectedTo, Payment Processing>
+<Staff Training, connectedTo, Curbside Delivery>
+<Staff Training, partOf, Supplier Payment>
+<Stock Replenishment, connectedTo, Staff Training>
+<Stock Replenishment, partOf, Supplier Payment>
+<Store Layout Design, connectedTo, Customer Engagement>
+<Supplier Coordination, connectedTo, Price Tagging>
+<Vendor Managed Inventory, connectedTo, Shelf Restocking>
+<Visual Merchandising, connectedTo, Loyalty Program Update>
diff --git a/test/plantuml/graph_hard/plantuml_53.puml b/test/plantuml/graph_hard/plantuml_53.puml
new file mode 100644
index 0000000000000000000000000000000000000000..4017b10dfabc2e5fbd4ca42897f2c8db25bc715a
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_53.puml
@@ -0,0 +1,69 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Fitting Room Management" as Group0 #FCE4EC {
+    cloud "Receipt Issuing" as nest0_0 #C9F0F0
+    rectangle "Payment Processing" as nest0_1 #EFE6FF
+}
+rectangle "Gift Wrapping" as Group1 #E3F2FD {
+    node "Security Tagging" as nest1_0 #FFDAB9
+    component "Customer Survey" as nest1_1 #EFE6FF
+}
+usecase "Supplier Coordination" as N0 #FFDAB9
+frame "Customer Checkout" as N1 #FFDAB9
+artifact "Stock Replenishment" as N2 #FFDAB9
+node "Point of Sale System Update" as N3 #C9F0F0
+cloud "Visual Merchandising" as N4 #EFE6FF
+artifact "Complaint Management" as N5 #EFE6FF
+cloud "Shopping Cart Collection" as N6 #EFE6FF
+rectangle "Seasonal Sales Planning" as N7 #FFDAB9
+component "Store Layout Design" as N8 #FFDAB9
+rectangle "Promotion Planning" as N9 #EFE6FF
+folder "Online Order Pickup" as N10 #C9F0F0
+rectangle "Sales Forecasting" as N11 #FFDAB9
+usecase "Vendor Managed Inventory" as N12 #EFE6FF
+cloud "Customer Engagement" as N13 #C9F0F0
+database "Warehouse Picking" as N14 #FFDAB9
+frame "Customer Loyalty Analytics" as N15 #FFDAB9
+circle " " as S0 #EFE6FF
+circle " " as S1 #C9F0F0
+circle " " as M0 #FFDAB9
+circle " " as M2 #C9F0F0
+N0 -[#FFC085]-> N1
+N1 -[#4DD0E1]-> N2 : supports
+N2 -[#C2B2F0]-> N3
+N3 ..[#C2B2F0]..> N4
+N4 ..[#C2B2F0]..> N5
+N5 ..[#4DD0E1]..> N6
+N6 ..[#000000]..> N7
+N7 ..[#FFC085]..> N8
+N8 -[#4DD0E1]-> N9
+N9 -[#000000]-> N10
+N10 -[#C2B2F0]-> N11
+N11 -[#000000]-> N12
+N12 ..[#000000]..> N13
+N13 ..[#C2B2F0]..> N14
+N14 -[#C2B2F0]-> N15
+nest0_0 -[#4DD0E1]-> nest0_1
+N1 -[#4DD0E1]-> nest0_0
+nest0_1 ..[#FFC085]..> N9
+nest1_0 ..[#000000]..> nest1_1
+N10 ..[#C2B2F0]..> nest1_0
+nest1_1 ..[#C2B2F0]..> N8
+N4 ..[#4DD0E1]..> S0
+S0 -[#C2B2F0]-> N7
+S0 -[#4DD0E1]-> N6 : analyzes
+S0 ..[#4DD0E1]..> N14
+N11 ..[#FFC085]..> S1
+S1 -[#000000]-> N14
+S1 -[#000000]-> N13
+S1 ..[#4DD0E1]..> N15
+N2 -[#000000]-> M0
+N4 ..[#C2B2F0]..> M0 : serves
+N11 -[#C2B2F0]-> M0
+M0 ..[#FFC085]..> N13
+N0 -[#C2B2F0]-> M2
+N3 -[#FFC085]-> M2
+M2 -[#FFC085]-> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_53.txt b/test/plantuml/graph_hard/plantuml_53.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f3f2e04fad5e7d097cc319d84538a145c5ab9baa
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_53.txt
@@ -0,0 +1,35 @@
+<Complaint Management, connectedTo, Shopping Cart Collection>
+<Customer Checkout, connectedTo, Receipt Issuing>
+<Customer Checkout, supports, Stock Replenishment>
+<Customer Engagement, connectedTo, Warehouse Picking>
+<Customer Survey, connectedTo, Store Layout Design>
+<Customer Survey, partOf, Gift Wrapping>
+<Online Order Pickup, connectedTo, Sales Forecasting>
+<Online Order Pickup, connectedTo, Security Tagging>
+<Payment Processing, connectedTo, Promotion Planning>
+<Payment Processing, partOf, Fitting Room Management>
+<Point of Sale System Update, connectedTo, Promotion Planning>
+<Point of Sale System Update, connectedTo, Visual Merchandising>
+<Promotion Planning, connectedTo, Online Order Pickup>
+<Receipt Issuing, connectedTo, Payment Processing>
+<Receipt Issuing, partOf, Fitting Room Management>
+<Sales Forecasting, connectedTo, Customer Engagement>
+<Sales Forecasting, connectedTo, Customer Loyalty Analytics>
+<Sales Forecasting, connectedTo, Vendor Managed Inventory>
+<Sales Forecasting, connectedTo, Warehouse Picking>
+<Seasonal Sales Planning, connectedTo, Store Layout Design>
+<Security Tagging, connectedTo, Customer Survey>
+<Security Tagging, partOf, Gift Wrapping>
+<Shopping Cart Collection, connectedTo, Seasonal Sales Planning>
+<Stock Replenishment, connectedTo, Customer Engagement>
+<Stock Replenishment, connectedTo, Point of Sale System Update>
+<Store Layout Design, connectedTo, Promotion Planning>
+<Supplier Coordination, connectedTo, Customer Checkout>
+<Supplier Coordination, connectedTo, Promotion Planning>
+<Vendor Managed Inventory, connectedTo, Customer Engagement>
+<Visual Merchandising, analyzes, Shopping Cart Collection>
+<Visual Merchandising, connectedTo, Complaint Management>
+<Visual Merchandising, connectedTo, Seasonal Sales Planning>
+<Visual Merchandising, connectedTo, Warehouse Picking>
+<Visual Merchandising, serves, Customer Engagement>
+<Warehouse Picking, connectedTo, Customer Loyalty Analytics>
diff --git a/test/plantuml/graph_hard/plantuml_54.puml b/test/plantuml/graph_hard/plantuml_54.puml
new file mode 100644
index 0000000000000000000000000000000000000000..30c3c7d47584e95dbd85e475526f7a64eafcf74e
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_54.puml
@@ -0,0 +1,62 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Return Handling" as Group0 #FCE4EC {
+    rectangle "Self_Checkout Assistance" as nest0_0 #E6EE9C
+    component "Supplier Coordination" as nest0_1 #E6EE9C
+    rectangle "Loyalty Program Update" as nest0_2 #E6EE9C
+}
+rectangle "Loss Prevention" as Group1 #ECEFF1 {
+    folder "Online Order Pickup" as nest1_0 #CFD8DC
+    component "Product Listing" as nest1_1 #CFD8DC
+}
+rectangle "Daily Report Generation" as N0 #FFFAE0
+frame "Customer Loyalty Analytics" as N1 #FFFAE0
+folder "Shelf Restocking" as N2 #FFFAE0
+artifact "Price Tagging" as N3 #CFD8DC
+node "Customer Engagement" as N4 #CFD8DC
+cloud "Order Fulfillment" as N5 #CFD8DC
+folder "Curbside Delivery" as N6 #FFFAE0
+cloud "Receipt Issuing" as N7 #FFFAE0
+component "Inventory Check" as N8 #FFFAE0
+component "Customer Survey" as N9 #CFD8DC
+cloud "Promotion Planning" as N10 #CFD8DC
+artifact "Barcode Scanning" as N11 #CFD8DC
+circle " " as S1 #FFFAE0
+circle " " as S2 #FFFAE0
+circle " " as M0 #CFD8DC
+circle " " as M1 #CFD8DC
+N0 -[#FFE470]-> N1
+N1 ..[#CDDC39]..> N2
+N2 -[#000000]-> N3
+N3 ..[#FFE470]..> N4
+N4 -[#607D8B]-> N5
+N5 ..[#FFE470]..> N6
+N6 ..[#FFE470]..> N7
+N7 -[#FFE470]-> N8
+N8 -[#CDDC39]-> N9 : recommends
+N9 -[#607D8B]-> N10
+N10 -[#607D8B]-> N11
+nest0_0 -[#607D8B]-> nest0_1
+nest0_1 ..[#FFE470]..> nest0_2
+N2 -[#000000]-> nest0_0
+nest0_2 ..[#607D8B]..> N7
+nest1_0 ..[#607D8B]..> nest1_1
+N5 ..[#CDDC39]..> nest1_0
+nest1_1 ..[#CDDC39]..> N3
+N0 ..[#607D8B]..> S1
+S1 -[#607D8B]-> N9
+S1 ..[#CDDC39]..> N3 : purchases
+S1 -[#607D8B]-> N11
+N3 ..[#000000]..> S2
+S2 -[#CDDC39]-> N10 : lists
+S2 -[#FFE470]-> N9
+N4 -[#607D8B]-> M0
+N2 ..[#CDDC39]..> M0
+N6 -[#FFE470]-> M0
+M0 -[#CDDC39]-> N8
+N1 -[#000000]-> M1
+N2 -[#CDDC39]-> M1 : prices
+M1 -[#CDDC39]-> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_54.txt b/test/plantuml/graph_hard/plantuml_54.txt
new file mode 100644
index 0000000000000000000000000000000000000000..52d6dfb81eabf0c131cb29207920aef1f4cb574b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_54.txt
@@ -0,0 +1,33 @@
+<Curbside Delivery, connectedTo, Inventory Check>
+<Curbside Delivery, connectedTo, Receipt Issuing>
+<Customer Engagement, connectedTo, Inventory Check>
+<Customer Engagement, connectedTo, Order Fulfillment>
+<Customer Loyalty Analytics, connectedTo, Inventory Check>
+<Customer Loyalty Analytics, connectedTo, Shelf Restocking>
+<Customer Survey, connectedTo, Promotion Planning>
+<Daily Report Generation, connectedTo, Barcode Scanning>
+<Daily Report Generation, connectedTo, Customer Loyalty Analytics>
+<Daily Report Generation, connectedTo, Customer Survey>
+<Daily Report Generation, purchases, Price Tagging>
+<Inventory Check, recommends, Customer Survey>
+<Loyalty Program Update, connectedTo, Receipt Issuing>
+<Loyalty Program Update, partOf, Return Handling>
+<Online Order Pickup, connectedTo, Product Listing>
+<Online Order Pickup, partOf, Loss Prevention>
+<Order Fulfillment, connectedTo, Curbside Delivery>
+<Order Fulfillment, connectedTo, Online Order Pickup>
+<Price Tagging, connectedTo, Customer Engagement>
+<Price Tagging, connectedTo, Customer Survey>
+<Price Tagging, lists, Promotion Planning>
+<Product Listing, connectedTo, Price Tagging>
+<Product Listing, partOf, Loss Prevention>
+<Promotion Planning, connectedTo, Barcode Scanning>
+<Receipt Issuing, connectedTo, Inventory Check>
+<Self_Checkout Assistance, connectedTo, Supplier Coordination>
+<Self_Checkout Assistance, partOf, Return Handling>
+<Shelf Restocking, connectedTo, Inventory Check>
+<Shelf Restocking, connectedTo, Price Tagging>
+<Shelf Restocking, connectedTo, Self_Checkout Assistance>
+<Shelf Restocking, prices, Inventory Check>
+<Supplier Coordination, connectedTo, Loyalty Program Update>
+<Supplier Coordination, partOf, Return Handling>
diff --git a/test/plantuml/graph_hard/plantuml_55.puml b/test/plantuml/graph_hard/plantuml_55.puml
new file mode 100644
index 0000000000000000000000000000000000000000..37547b480793495153e6359c3a26d2dc5b4a99b6
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_55.puml
@@ -0,0 +1,64 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Autonomous Driving Software Development" as Group0 #F3E5F5 {
+    usecase "Recycling of Vehicle Components" as nest0_0 #FFE88D
+    node "After_sales Service" as nest0_1 #FFE88D
+    database "Fluid Level Check" as nest0_2 #FFFDE7
+    folder "Vehicle Registration" as nest0_3 #FFE88D
+}
+rectangle "Dealership Sales" as Group1 #E3F2FD {
+    artifact "Paint Application" as nest1_0 #FFFDE7
+    artifact "Supplier Selection" as nest1_1 #FFFDE7
+    folder "Customer Test Drive" as nest1_2 #FFFDE7
+    artifact "Vehicle Design" as nest1_3 #C2E8E6
+}
+folder "Recall Management" as N0 #FFFDE7
+usecase "Engine Installation" as N1 #FFE88D
+frame "Vehicle Financing" as N2 #FFE88D
+rectangle "Body Shop Repair" as N3 #C2E8E6
+artifact "Road Testing" as N4 #FFE88D
+artifact "Quality Assurance" as N5 #FFE88D
+folder "Emission Testing" as N6 #FFFDE7
+folder "Inventory Tracking" as N7 #FFFDE7
+folder "Crash Simulation" as N8 #FFFDE7
+artifact "Research and Development" as N9 #C2E8E6
+cloud "Electric Vehicle Battery Production" as N10 #FFFDE7
+circle " " as S0 #FFFDE7
+circle " " as M0 #FFFDE7
+circle " " as M1 #FFFDE7
+N0 ..[#61CAC3]..> N1 : repairs
+N1 ..[#61CAC3]..> N2
+N2 -[#61CAC3]-> N3
+N3 ..[#61CAC3]..> N4
+N4 -[#000000]-> N5
+N5 -[#FFF176]-> N6
+N6 -[#61CAC3]-> N7
+N7 ..[#61CAC3]..> N8
+N8 ..[#61CAC3]..> N9 : tests
+N9 ..[#61CAC3]..> N10 : insures
+nest0_0 -[#000000]-> nest0_1 : automates
+nest0_1 -[#FFF176]-> nest0_2
+nest0_2 ..[#61CAC3]..> nest0_3
+N1 ..[#000000]..> nest0_0
+nest0_3 ..[#61CAC3]..> N8
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 ..[#FFF176]..> nest1_2
+nest1_2 ..[#FFF176]..> nest1_3
+N4 ..[#FFDA4E]..> nest1_0
+nest1_3 -[#FFDA4E]-> N2 : certifies
+N3 ..[#FFF176]..> S0
+S0 ..[#FFDA4E]..> N6
+S0 -[#FFF176]-> N8
+S0 ..[#FFDA4E]..> N5
+S0 ..[#61CAC3]..> N9
+N0 ..[#000000]..> M0
+N1 ..[#FFF176]..> M0
+M0 ..[#000000]..> N4
+N2 ..[#FFDA4E]..> M1
+N0 ..[#61CAC3]..> M1
+N3 -[#FFF176]-> M1 : produces
+N1 ..[#FFF176]..> M1
+M1 ..[#FFF176]..> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_55.txt b/test/plantuml/graph_hard/plantuml_55.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6f3cb042eda75835ddab6edbd356b3902b7242fe
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_55.txt
@@ -0,0 +1,38 @@
+<After_sales Service, connectedTo, Fluid Level Check>
+<After_sales Service, partOf, Autonomous Driving Software Development>
+<Body Shop Repair, connectedTo, Crash Simulation>
+<Body Shop Repair, connectedTo, Emission Testing>
+<Body Shop Repair, connectedTo, Quality Assurance>
+<Body Shop Repair, connectedTo, Research and Development>
+<Body Shop Repair, connectedTo, Road Testing>
+<Body Shop Repair, produces, Inventory Tracking>
+<Crash Simulation, tests, Research and Development>
+<Customer Test Drive, connectedTo, Vehicle Design>
+<Customer Test Drive, partOf, Dealership Sales>
+<Emission Testing, connectedTo, Inventory Tracking>
+<Engine Installation, connectedTo, Inventory Tracking>
+<Engine Installation, connectedTo, Recycling of Vehicle Components>
+<Engine Installation, connectedTo, Road Testing>
+<Engine Installation, connectedTo, Vehicle Financing>
+<Fluid Level Check, connectedTo, Vehicle Registration>
+<Fluid Level Check, partOf, Autonomous Driving Software Development>
+<Inventory Tracking, connectedTo, Crash Simulation>
+<Paint Application, connectedTo, Supplier Selection>
+<Paint Application, partOf, Dealership Sales>
+<Quality Assurance, connectedTo, Emission Testing>
+<Recall Management, connectedTo, Inventory Tracking>
+<Recall Management, connectedTo, Road Testing>
+<Recall Management, repairs, Engine Installation>
+<Recycling of Vehicle Components, automates, After_sales Service>
+<Recycling of Vehicle Components, partOf, Autonomous Driving Software Development>
+<Research and Development, insures, Electric Vehicle Battery Production>
+<Road Testing, connectedTo, Paint Application>
+<Road Testing, connectedTo, Quality Assurance>
+<Supplier Selection, connectedTo, Customer Test Drive>
+<Supplier Selection, partOf, Dealership Sales>
+<Vehicle Design, certifies, Vehicle Financing>
+<Vehicle Design, partOf, Dealership Sales>
+<Vehicle Financing, connectedTo, Body Shop Repair>
+<Vehicle Financing, connectedTo, Inventory Tracking>
+<Vehicle Registration, connectedTo, Crash Simulation>
+<Vehicle Registration, partOf, Autonomous Driving Software Development>
diff --git a/test/plantuml/graph_hard/plantuml_56.puml b/test/plantuml/graph_hard/plantuml_56.puml
new file mode 100644
index 0000000000000000000000000000000000000000..aeb12e5739c0dbfcf8e9ec232ede9fccca42f943
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_56.puml
@@ -0,0 +1,75 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Assembly Line Setup" as Group0 #E3F2FD {
+    folder "Fluid Level Check" as nest0_0 #FCE4EC
+    folder "Electric Vehicle Battery Production" as nest0_1 #D1C4E9
+    node "Infotainment System Integration" as nest0_2 #D1C4E9
+}
+rectangle "Recall Management" as Group1 #F1F8E9 {
+    component "Vehicle Registration" as nest1_0 #D0E0F8
+    usecase "Vehicle Design" as nest1_1 #D0E0F8
+    folder "Quality Assurance" as nest1_2 #D1C4E9
+}
+artifact "Maintenance Scheduling" as N0 #FCE4EC
+frame "After_sales Service" as N1 #FCE4EC
+node "Spare Parts Order" as N2 #D0E0F8
+frame "Vehicle Financing" as N3 #D0E0F8
+component "Paint Application" as N4 #D0E0F8
+folder "Brake System Check" as N5 #D0E0F8
+folder "Crash Simulation" as N6 #D1C4E9
+node "Engine Installation" as N7 #FCE4EC
+folder "Customer Test Drive" as N8 #FCE4EC
+node "Autonomous Driving Software Development" as N9 #FCE4EC
+cloud "Parts Distribution" as N10 #D0E0F8
+artifact "Road Testing" as N11 #FCE4EC
+frame "Body Shop Repair" as N12 #D0E0F8
+node "Warranty Activation" as N13 #D1C4E9
+component "Supplier Selection" as N14 #FCE4EC
+rectangle "Software Calibration" as N15 #D1C4E9
+circle " " as S0 #FCE4EC
+circle " " as S1 #D0E0F8
+circle " " as M0 #FCE4EC
+circle " " as M1 #FCE4EC
+N0 ..[#E91E63]..> N1
+N1 -[#7E57C2]-> N2
+N2 -[#E91E63]-> N3
+N3 ..[#4285F4]..> N4
+N4 -[#4285F4]-> N5
+N5 ..[#E91E63]..> N6
+N6 -[#7E57C2]-> N7
+N7 -[#4285F4]-> N8
+N8 -[#000000]-> N9
+N9 -[#7E57C2]-> N10
+N10 -[#4285F4]-> N11
+N11 -[#7E57C2]-> N12
+N12 ..[#7E57C2]..> N13
+N13 ..[#4285F4]..> N14
+N14 ..[#000000]..> N15
+nest0_0 ..[#7E57C2]..> nest0_1
+nest0_1 -[#4285F4]-> nest0_2
+N8 ..[#000000]..> nest0_0
+nest0_2 -[#000000]-> N14
+nest1_0 ..[#7E57C2]..> nest1_1
+nest1_1 -[#E91E63]-> nest1_2
+N11 ..[#000000]..> nest1_0
+nest1_2 -[#000000]-> N13
+N10 ..[#7E57C2]..> S0
+S0 -[#4285F4]-> N13
+S0 ..[#E91E63]..> N15
+S0 -[#4285F4]-> N12
+N6 ..[#E91E63]..> S1
+S1 -[#E91E63]-> N13
+S1 -[#4285F4]-> N15
+S1 -[#E91E63]-> N9
+S1 ..[#000000]..> N12
+N1 -[#4285F4]-> M0
+N0 -[#E91E63]-> M0
+N2 ..[#7E57C2]..> M0
+M0 -[#4285F4]-> N4
+N1 -[#4285F4]-> M1
+N0 -[#7E57C2]-> M1
+N2 -[#000000]-> M1
+M1 -[#000000]-> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_56.txt b/test/plantuml/graph_hard/plantuml_56.txt
new file mode 100644
index 0000000000000000000000000000000000000000..16c289b193422c7bb68f69582ed36ccc1ed6e5c5
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_56.txt
@@ -0,0 +1,39 @@
+<After_sales Service, connectedTo, Paint Application>
+<After_sales Service, connectedTo, Spare Parts Order>
+<Autonomous Driving Software Development, connectedTo, Parts Distribution>
+<Body Shop Repair, connectedTo, Warranty Activation>
+<Brake System Check, connectedTo, Crash Simulation>
+<Crash Simulation, connectedTo, Autonomous Driving Software Development>
+<Crash Simulation, connectedTo, Body Shop Repair>
+<Crash Simulation, connectedTo, Engine Installation>
+<Crash Simulation, connectedTo, Software Calibration>
+<Crash Simulation, connectedTo, Warranty Activation>
+<Customer Test Drive, connectedTo, Autonomous Driving Software Development>
+<Customer Test Drive, connectedTo, Fluid Level Check>
+<Electric Vehicle Battery Production, connectedTo, Infotainment System Integration>
+<Electric Vehicle Battery Production, partOf, Assembly Line Setup>
+<Engine Installation, connectedTo, Customer Test Drive>
+<Fluid Level Check, connectedTo, Electric Vehicle Battery Production>
+<Fluid Level Check, partOf, Assembly Line Setup>
+<Infotainment System Integration, connectedTo, Supplier Selection>
+<Infotainment System Integration, partOf, Assembly Line Setup>
+<Maintenance Scheduling, connectedTo, After_sales Service>
+<Maintenance Scheduling, connectedTo, Paint Application>
+<Paint Application, connectedTo, Brake System Check>
+<Parts Distribution, connectedTo, Body Shop Repair>
+<Parts Distribution, connectedTo, Road Testing>
+<Parts Distribution, connectedTo, Software Calibration>
+<Parts Distribution, connectedTo, Warranty Activation>
+<Quality Assurance, connectedTo, Warranty Activation>
+<Quality Assurance, partOf, Recall Management>
+<Road Testing, connectedTo, Body Shop Repair>
+<Road Testing, connectedTo, Vehicle Registration>
+<Spare Parts Order, connectedTo, Paint Application>
+<Spare Parts Order, connectedTo, Vehicle Financing>
+<Supplier Selection, connectedTo, Software Calibration>
+<Vehicle Design, connectedTo, Quality Assurance>
+<Vehicle Design, partOf, Recall Management>
+<Vehicle Financing, connectedTo, Paint Application>
+<Vehicle Registration, connectedTo, Vehicle Design>
+<Vehicle Registration, partOf, Recall Management>
+<Warranty Activation, connectedTo, Supplier Selection>
diff --git a/test/plantuml/graph_hard/plantuml_57.puml b/test/plantuml/graph_hard/plantuml_57.puml
new file mode 100644
index 0000000000000000000000000000000000000000..8fa39e6b56df004e4e4f943ef52e4a73b7c358de
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_57.puml
@@ -0,0 +1,80 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Fluid Level Check" as Group0 #FCE4EC {
+    rectangle "Robotics in Production" as nest0_0 #F1F8E9
+    usecase "Brake System Check" as nest0_1 #E9F7E8
+}
+rectangle "Fuel Efficiency Check" as Group1 #EDE7F6 {
+    cloud "Dealership Sales" as nest1_0 #E9F7E8
+    frame "Component Testing" as nest1_1 #EFEBE9
+}
+usecase "Paint Application" as N0 #F1F8E9
+usecase "Software Calibration" as N1 #EFEBE9
+frame "Research and Development" as N2 #EFEBE9
+node "Warranty Activation" as N3 #F1F8E9
+folder "Global Supply Chain Management" as N4 #E9F7E8
+frame "Infotainment System Integration" as N5 #F1F8E9
+frame "Crash Simulation" as N6 #EFEBE9
+folder "Tire Rotation" as N7 #E9F7E8
+folder "Oil Change" as N8 #E9F7E8
+usecase "Parts Distribution" as N9 #EFEBE9
+folder "Part Manufacturing" as N10 #F1F8E9
+node "Autonomous Driving Software Development" as N11 #E9F7E8
+database "Customer Relationship Management" as N12 #F1F8E9
+folder "Assembly Line Setup" as N13 #EFEBE9
+folder "Road Testing" as N14 #E9F7E8
+folder "Customer Test Drive" as N15 #EFEBE9
+folder "After_sales Service" as N16 #E9F7E8
+artifact "Recall Management" as N17 #F1F8E9
+folder "Diagnostic Trouble Code Reading" as N18 #EFEBE9
+cloud "Inventory Tracking" as N19 #EFEBE9
+artifact "Emission Testing" as N20 #F1F8E9
+component "Spare Parts Order" as N21 #E9F7E8
+circle " " as S0 #EFEBE9
+circle " " as S1 #F1F8E9
+circle " " as M0 #EFEBE9
+circle " " as M1 #F1F8E9
+N0 -[#388E3C]-> N1
+N1 ..[#388E3C]..> N2
+N2 ..[#A1887F]..> N3 : complies
+N3 -[#388E3C]-> N4
+N4 ..[#A1887F]..> N5 : schedules
+N5 ..[#388E3C]..> N6
+N6 -[#A1887F]-> N7
+N7 -[#6EB76D]-> N8
+N8 ..[#000000]..> N9
+N9 -[#000000]-> N10
+N10 ..[#000000]..> N11
+N11 -[#6EB76D]-> N12
+N12 -[#000000]-> N13
+N13 -[#6EB76D]-> N14 : recalls
+N14 ..[#A1887F]..> N15
+N15 -[#6EB76D]-> N16
+N16 ..[#000000]..> N17
+N17 -[#388E3C]-> N18
+N18 -[#000000]-> N19
+N19 ..[#A1887F]..> N20
+N20 -[#000000]-> N21
+nest0_0 -[#A1887F]-> nest0_1
+N17 -[#000000]-> nest0_0
+nest0_1 -[#6EB76D]-> N3
+nest1_0 -[#388E3C]-> nest1_1
+N15 ..[#000000]..> nest1_0
+nest1_1 -[#000000]-> N19
+N9 ..[#A1887F]..> S0
+S0 -[#A1887F]-> N19 : simulates
+S0 -[#A1887F]-> N18
+N15 ..[#388E3C]..> S1
+S1 -[#A1887F]-> N17
+S1 ..[#388E3C]..> N19
+N3 ..[#6EB76D]..> M0
+N1 ..[#A1887F]..> M0
+N0 -[#A1887F]-> M0
+M0 ..[#A1887F]..> N5
+N12 -[#A1887F]-> M1
+N0 ..[#6EB76D]..> M1
+N2 -[#000000]-> M1 : cleans
+M1 ..[#6EB76D]..> N18
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_57.txt b/test/plantuml/graph_hard/plantuml_57.txt
new file mode 100644
index 0000000000000000000000000000000000000000..330996865968deccc9ac72b07d0eda53ff41a09d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_57.txt
@@ -0,0 +1,41 @@
+<After_sales Service, connectedTo, Recall Management>
+<Assembly Line Setup, recalls, Road Testing>
+<Autonomous Driving Software Development, connectedTo, Customer Relationship Management>
+<Brake System Check, connectedTo, Warranty Activation>
+<Brake System Check, partOf, Fluid Level Check>
+<Component Testing, connectedTo, Inventory Tracking>
+<Component Testing, partOf, Fuel Efficiency Check>
+<Crash Simulation, connectedTo, Tire Rotation>
+<Customer Relationship Management, connectedTo, Assembly Line Setup>
+<Customer Relationship Management, connectedTo, Diagnostic Trouble Code Reading>
+<Customer Test Drive, connectedTo, After_sales Service>
+<Customer Test Drive, connectedTo, Dealership Sales>
+<Customer Test Drive, connectedTo, Inventory Tracking>
+<Customer Test Drive, connectedTo, Recall Management>
+<Dealership Sales, connectedTo, Component Testing>
+<Dealership Sales, partOf, Fuel Efficiency Check>
+<Diagnostic Trouble Code Reading, connectedTo, Inventory Tracking>
+<Emission Testing, connectedTo, Spare Parts Order>
+<Global Supply Chain Management, schedules, Infotainment System Integration>
+<Infotainment System Integration, connectedTo, Crash Simulation>
+<Inventory Tracking, connectedTo, Emission Testing>
+<Oil Change, connectedTo, Parts Distribution>
+<Paint Application, connectedTo, Diagnostic Trouble Code Reading>
+<Paint Application, connectedTo, Infotainment System Integration>
+<Paint Application, connectedTo, Software Calibration>
+<Part Manufacturing, connectedTo, Autonomous Driving Software Development>
+<Parts Distribution, connectedTo, Diagnostic Trouble Code Reading>
+<Parts Distribution, connectedTo, Part Manufacturing>
+<Parts Distribution, simulates, Inventory Tracking>
+<Recall Management, connectedTo, Diagnostic Trouble Code Reading>
+<Recall Management, connectedTo, Robotics in Production>
+<Research and Development, cleans, Diagnostic Trouble Code Reading>
+<Research and Development, complies, Warranty Activation>
+<Road Testing, connectedTo, Customer Test Drive>
+<Robotics in Production, connectedTo, Brake System Check>
+<Robotics in Production, partOf, Fluid Level Check>
+<Software Calibration, connectedTo, Infotainment System Integration>
+<Software Calibration, connectedTo, Research and Development>
+<Tire Rotation, connectedTo, Oil Change>
+<Warranty Activation, connectedTo, Global Supply Chain Management>
+<Warranty Activation, connectedTo, Infotainment System Integration>
diff --git a/test/plantuml/graph_hard/plantuml_58.puml b/test/plantuml/graph_hard/plantuml_58.puml
new file mode 100644
index 0000000000000000000000000000000000000000..e952e5c7b639c48a072382fcc720873b7a5956e4
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_58.puml
@@ -0,0 +1,69 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "System Reboot" as Group0 #FFF3E0 {
+    component "International Space Station Resupply" as nest0_0 #E8F0FF
+    folder "Air Traffic Control Integration" as nest0_1 #B2EBF2
+    database "Satellite Configuration" as nest0_2 #B2EBF2
+    cloud "Fueling Procedure" as nest0_3 #E8F0FF
+}
+rectangle "Mission Debriefing" as Group1 #E8F5E9 {
+    frame "Re_entry Vehicle Design" as nest1_0 #B2EBF2
+    database "Engine Overhaul" as nest1_1 #FCFCE7
+    usecase "Aircraft Maintenance Log" as nest1_2 #E8F0FF
+    rectangle "Aircraft Manufacturing" as nest1_3 #FCFCE7
+}
+frame "Spacecraft Telemetry Analysis" as N0 #FCFCE7
+frame "Launch Window Calculation" as N1 #E8F0FF
+artifact "Component Recovery" as N2 #FCFCE7
+cloud "Launch Execution" as N3 #E8F0FF
+node "Flight Crew Training" as N4 #E8F0FF
+folder "Rocket Stage Separation" as N5 #FCFCE7
+artifact "Orbit Adjustment" as N6 #E8F0FF
+cloud "Countdown Sequence" as N7 #B2EBF2
+folder "Hypersonic Flight Testing" as N8 #FCFCE7
+folder "Satellite Data Processing" as N9 #B2EBF2
+folder "Thermal Shield Testing" as N10 #B2EBF2
+frame "Drone System Development" as N11 #FCFCE7
+usecase "Ground Station Coordination" as N12 #E8F0FF
+node "Avionics Installation" as N13 #B2EBF2
+circle " " as S0 #E8F0FF
+circle " " as S1 #FCFCE7
+circle " " as M0 #B2EBF2
+N0 -[#A2D0FF]-> N1
+N1 -[#A2D0FF]-> N2
+N2 ..[#DCE775]..> N3
+N3 ..[#A2D0FF]..> N4
+N4 ..[#000000]..> N5
+N5 ..[#DCE775]..> N6
+N6 -[#00BCD4]-> N7 : deploys
+N7 -[#DCE775]-> N8
+N8 -[#000000]-> N9 : coordinates
+N9 -[#00BCD4]-> N10
+N10 ..[#00BCD4]..> N11
+N11 ..[#000000]..> N12
+N12 -[#000000]-> N13
+nest0_0 -[#00BCD4]-> nest0_1
+nest0_1 -[#DCE775]-> nest0_2
+nest0_2 ..[#00BCD4]..> nest0_3 : manufactures
+N9 -[#DCE775]-> nest0_0
+nest0_3 -[#00BCD4]-> N5
+nest1_0 -[#00BCD4]-> nest1_1
+nest1_1 -[#A2D0FF]-> nest1_2
+nest1_2 ..[#000000]..> nest1_3
+N4 ..[#A2D0FF]..> nest1_0
+nest1_3 -[#00BCD4]-> N6
+N2 -[#000000]-> S0
+S0 -[#000000]-> N7
+S0 -[#000000]-> N10
+N0 -[#000000]-> S1
+S1 -[#DCE775]-> N5
+S1 -[#DCE775]-> N11
+S1 ..[#DCE775]..> N8
+N0 -[#A2D0FF]-> M0
+N2 ..[#A2D0FF]..> M0
+N1 -[#000000]-> M0
+N3 ..[#000000]..> M0 : optimizes
+M0 ..[#00BCD4]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_58.txt b/test/plantuml/graph_hard/plantuml_58.txt
new file mode 100644
index 0000000000000000000000000000000000000000..431c99a301adb19a62213d42578f29b3c9dbcdc0
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_58.txt
@@ -0,0 +1,39 @@
+<Air Traffic Control Integration, connectedTo, Satellite Configuration>
+<Air Traffic Control Integration, partOf, System Reboot>
+<Aircraft Maintenance Log, connectedTo, Aircraft Manufacturing>
+<Aircraft Maintenance Log, partOf, Mission Debriefing>
+<Aircraft Manufacturing, connectedTo, Orbit Adjustment>
+<Aircraft Manufacturing, partOf, Mission Debriefing>
+<Component Recovery, connectedTo, Countdown Sequence>
+<Component Recovery, connectedTo, Hypersonic Flight Testing>
+<Component Recovery, connectedTo, Launch Execution>
+<Component Recovery, connectedTo, Thermal Shield Testing>
+<Countdown Sequence, connectedTo, Hypersonic Flight Testing>
+<Drone System Development, connectedTo, Ground Station Coordination>
+<Engine Overhaul, connectedTo, Aircraft Maintenance Log>
+<Engine Overhaul, partOf, Mission Debriefing>
+<Flight Crew Training, connectedTo, Re_entry Vehicle Design>
+<Flight Crew Training, connectedTo, Rocket Stage Separation>
+<Fueling Procedure, connectedTo, Rocket Stage Separation>
+<Fueling Procedure, partOf, System Reboot>
+<Ground Station Coordination, connectedTo, Avionics Installation>
+<Hypersonic Flight Testing, coordinates, Satellite Data Processing>
+<International Space Station Resupply, connectedTo, Air Traffic Control Integration>
+<International Space Station Resupply, partOf, System Reboot>
+<Launch Execution, connectedTo, Flight Crew Training>
+<Launch Execution, optimizes, Hypersonic Flight Testing>
+<Launch Window Calculation, connectedTo, Component Recovery>
+<Launch Window Calculation, connectedTo, Hypersonic Flight Testing>
+<Orbit Adjustment, deploys, Countdown Sequence>
+<Re_entry Vehicle Design, connectedTo, Engine Overhaul>
+<Re_entry Vehicle Design, partOf, Mission Debriefing>
+<Rocket Stage Separation, connectedTo, Orbit Adjustment>
+<Satellite Configuration, manufactures, Fueling Procedure>
+<Satellite Configuration, partOf, System Reboot>
+<Satellite Data Processing, connectedTo, International Space Station Resupply>
+<Satellite Data Processing, connectedTo, Thermal Shield Testing>
+<Spacecraft Telemetry Analysis, connectedTo, Drone System Development>
+<Spacecraft Telemetry Analysis, connectedTo, Hypersonic Flight Testing>
+<Spacecraft Telemetry Analysis, connectedTo, Launch Window Calculation>
+<Spacecraft Telemetry Analysis, connectedTo, Rocket Stage Separation>
+<Thermal Shield Testing, connectedTo, Drone System Development>
diff --git a/test/plantuml/graph_hard/plantuml_59.puml b/test/plantuml/graph_hard/plantuml_59.puml
new file mode 100644
index 0000000000000000000000000000000000000000..b70c6440fb8d1ef3eb8ac7f06007ccab1006573d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_59.puml
@@ -0,0 +1,62 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Drone System Development" as Group0 #F3E5F5 {
+    cloud "Airframe Assembly" as nest0_0 #E4E0DF
+    usecase "Structural Analysis" as nest0_1 #EDF5F3
+    artifact "Mission Planning" as nest0_2 #F5F5F5
+}
+rectangle "Rocket Stage Separation" as Group1 #E0F2F1 {
+    frame "Component Recovery" as nest1_0 #E4E0DF
+    folder "New Material Development" as nest1_1 #F5F5F5
+}
+frame "Launch Execution" as N0 #F5F5F5
+database "Telemetry Setup" as N1 #E4E0DF
+folder "Countdown Sequence" as N2 #EDF5F3
+node "Ground Station Coordination" as N3 #F5F5F5
+frame "Extravehicular Activity Planning" as N4 #F5F5F5
+node "Emergency Protocols" as N5 #E4E0DF
+folder "Astronaut Training" as N6 #EDF5F3
+artifact "Payload Integration" as N7 #E4E0DF
+node "Avionics Installation" as N8 #E4E0DF
+folder "Aircraft Maintenance Log" as N9 #F5F5F5
+frame "Hypersonic Flight Testing" as N10 #E4E0DF
+node "Rocket Assembly" as N11 #F5F5F5
+circle " " as S0 #E4E0DF
+circle " " as S1 #E4E0DF
+circle " " as S2 #EDF5F3
+circle " " as M0 #E4E0DF
+N0 ..[#A1D7CD]..> N1
+N1 ..[#000000]..> N2
+N2 ..[#BDAFA8]..> N3
+N3 ..[#000000]..> N4 : predicts
+N4 -[#BDAFA8]-> N5
+N5 -[#BDBDBD]-> N6
+N6 -[#A1D7CD]-> N7
+N7 ..[#BDAFA8]..> N8
+N8 ..[#A1D7CD]..> N9
+N9 ..[#BDAFA8]..> N10
+N10 ..[#000000]..> N11
+nest0_0 -[#000000]-> nest0_1
+nest0_1 ..[#A1D7CD]..> nest0_2 : transmits
+N2 -[#000000]-> nest0_0
+nest0_2 -[#A1D7CD]-> N11
+nest1_0 -[#BDBDBD]-> nest1_1
+N7 ..[#000000]..> nest1_0
+nest1_1 -[#A1D7CD]-> N4
+N8 -[#BDAFA8]-> S0
+S0 ..[#BDAFA8]..> N11
+S0 ..[#BDBDBD]..> N10
+N7 -[#A1D7CD]-> S1
+S1 -[#000000]-> N9
+S1 -[#BDBDBD]-> N10 : prototypes
+N2 -[#BDAFA8]-> S2
+S2 -[#000000]-> N10
+S2 ..[#000000]..> N7
+S2 ..[#000000]..> N4
+N4 -[#BDBDBD]-> M0
+N2 -[#A1D7CD]-> M0 : simulates
+N0 ..[#BDBDBD]..> M0
+M0 -[#000000]-> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_59.txt b/test/plantuml/graph_hard/plantuml_59.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6176b3f244532be814dbe0694f4dff221a8772c2
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_59.txt
@@ -0,0 +1,33 @@
+<Aircraft Maintenance Log, connectedTo, Hypersonic Flight Testing>
+<Airframe Assembly, connectedTo, Structural Analysis>
+<Airframe Assembly, partOf, Drone System Development>
+<Astronaut Training, connectedTo, Payload Integration>
+<Avionics Installation, connectedTo, Aircraft Maintenance Log>
+<Avionics Installation, connectedTo, Hypersonic Flight Testing>
+<Avionics Installation, connectedTo, Rocket Assembly>
+<Component Recovery, connectedTo, New Material Development>
+<Component Recovery, partOf, Rocket Stage Separation>
+<Countdown Sequence, connectedTo, Airframe Assembly>
+<Countdown Sequence, connectedTo, Extravehicular Activity Planning>
+<Countdown Sequence, connectedTo, Ground Station Coordination>
+<Countdown Sequence, connectedTo, Hypersonic Flight Testing>
+<Countdown Sequence, connectedTo, Payload Integration>
+<Countdown Sequence, simulates, Payload Integration>
+<Emergency Protocols, connectedTo, Astronaut Training>
+<Extravehicular Activity Planning, connectedTo, Emergency Protocols>
+<Extravehicular Activity Planning, connectedTo, Payload Integration>
+<Ground Station Coordination, predicts, Extravehicular Activity Planning>
+<Hypersonic Flight Testing, connectedTo, Rocket Assembly>
+<Launch Execution, connectedTo, Payload Integration>
+<Launch Execution, connectedTo, Telemetry Setup>
+<Mission Planning, connectedTo, Rocket Assembly>
+<Mission Planning, partOf, Drone System Development>
+<New Material Development, connectedTo, Extravehicular Activity Planning>
+<New Material Development, partOf, Rocket Stage Separation>
+<Payload Integration, connectedTo, Aircraft Maintenance Log>
+<Payload Integration, connectedTo, Avionics Installation>
+<Payload Integration, connectedTo, Component Recovery>
+<Payload Integration, prototypes, Hypersonic Flight Testing>
+<Structural Analysis, partOf, Drone System Development>
+<Structural Analysis, transmits, Mission Planning>
+<Telemetry Setup, connectedTo, Countdown Sequence>
diff --git a/test/plantuml/graph_hard/plantuml_6.puml b/test/plantuml/graph_hard/plantuml_6.puml
new file mode 100644
index 0000000000000000000000000000000000000000..31201496f10522caf2f8a90a2fba4a7598015f65
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_6.puml
@@ -0,0 +1,75 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Patient Education" as Group0 #E0F2F1 {
+    folder "Vaccination" as nest0_0 #E1F5FE
+    database "Insurance Claim" as nest0_1 #E1F5FE
+    component "Symptom Monitoring" as nest0_2 #E1F5FE
+}
+rectangle "Genetic Counseling" as Group1 #E0F2F1 {
+    database "Anesthesia Administration" as nest1_0 #E1F5FE
+    component "Diagnosis" as nest1_1 #FAEBF3
+    folder "Patient Transfer" as nest1_2 #FAEBF3
+}
+artifact "Wound Care" as N0 #E0E6E9
+folder "Triage" as N1 #FAEBF3
+database "Medical History" as N2 #E1F5FE
+folder "Imaging Scan" as N3 #E0E6E9
+rectangle "Medication Dispensing" as N4 #FAEBF3
+node "Case Review" as N5 #E0E6E9
+node "Lab Test" as N6 #FAEBF3
+artifact "Referral" as N7 #E1F5FE
+component "Physical Examination" as N8 #E1F5FE
+cloud "Mental Health Assessment" as N9 #E0E6E9
+frame "Home Care Visit" as N10 #FAEBF3
+cloud "Pain Management" as N11 #E0E6E9
+component "Dental Check_up" as N12 #FAEBF3
+node "Epidemiological Tracking" as N13 #E0E6E9
+folder "Allergy Test" as N14 #FAEBF3
+component "Nutritional Counseling" as N15 #FAEBF3
+rectangle "Treatment Plan" as N16 #E0E6E9
+database "Telemedicine Consultation" as N17 #E0E6E9
+circle " " as S0 #FAEBF3
+circle " " as S1 #E0E6E9
+circle " " as M1 #E0E6E9
+circle " " as M2 #E1F5FE
+N0 -[#000000]-> N1
+N1 -[#4FC3F7]-> N2
+N2 ..[#000000]..> N3
+N3 ..[#AABEC6]..> N4
+N4 ..[#AABEC6]..> N5
+N5 -[#AABEC6]-> N6
+N6 ..[#AABEC6]..> N7
+N7 ..[#F7BEE0]..> N8
+N8 ..[#F7BEE0]..> N9
+N9 -[#4FC3F7]-> N10
+N10 ..[#F7BEE0]..> N11
+N11 -[#F7BEE0]-> N12
+N12 ..[#AABEC6]..> N13
+N13 -[#4FC3F7]-> N14 : analyzes
+N14 ..[#000000]..> N15
+N15 ..[#4FC3F7]..> N16
+N16 ..[#000000]..> N17
+nest0_0 -[#AABEC6]-> nest0_1
+nest0_1 -[#4FC3F7]-> nest0_2
+N8 -[#4FC3F7]-> nest0_0
+nest0_2 -[#000000]-> N17
+nest1_0 ..[#4FC3F7]..> nest1_1
+nest1_1 ..[#000000]..> nest1_2
+N5 -[#AABEC6]-> nest1_0
+nest1_2 -[#F7BEE0]-> N16
+N12 -[#4FC3F7]-> S0
+S0 ..[#F7BEE0]..> N15
+S0 ..[#AABEC6]..> N16
+S0 ..[#4FC3F7]..> N14
+N14 -[#4FC3F7]-> S1
+S1 ..[#4FC3F7]..> N17 : records
+S1 -[#F7BEE0]-> N16
+N12 ..[#AABEC6]..> M1
+N14 ..[#AABEC6]..> M1
+M1 ..[#AABEC6]..> N17
+N3 ..[#F7BEE0]..> M2
+N1 ..[#AABEC6]..> M2
+M2 -[#AABEC6]-> N15
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_6.txt b/test/plantuml/graph_hard/plantuml_6.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e3a7b88129a56b89837b210262832c8a60999dfc
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_6.txt
@@ -0,0 +1,40 @@
+<Allergy Test, connectedTo, Nutritional Counseling>
+<Allergy Test, connectedTo, Telemedicine Consultation>
+<Allergy Test, connectedTo, Treatment Plan>
+<Allergy Test, records, Telemedicine Consultation>
+<Anesthesia Administration, connectedTo, Diagnosis>
+<Anesthesia Administration, partOf, Genetic Counseling>
+<Case Review, connectedTo, Anesthesia Administration>
+<Case Review, connectedTo, Lab Test>
+<Dental Check_up, connectedTo, Allergy Test>
+<Dental Check_up, connectedTo, Epidemiological Tracking>
+<Dental Check_up, connectedTo, Nutritional Counseling>
+<Dental Check_up, connectedTo, Telemedicine Consultation>
+<Dental Check_up, connectedTo, Treatment Plan>
+<Diagnosis, connectedTo, Patient Transfer>
+<Diagnosis, partOf, Genetic Counseling>
+<Epidemiological Tracking, analyzes, Allergy Test>
+<Home Care Visit, connectedTo, Pain Management>
+<Imaging Scan, connectedTo, Medication Dispensing>
+<Imaging Scan, connectedTo, Nutritional Counseling>
+<Insurance Claim, connectedTo, Symptom Monitoring>
+<Insurance Claim, partOf, Patient Education>
+<Lab Test, connectedTo, Referral>
+<Medical History, connectedTo, Imaging Scan>
+<Medication Dispensing, connectedTo, Case Review>
+<Mental Health Assessment, connectedTo, Home Care Visit>
+<Nutritional Counseling, connectedTo, Treatment Plan>
+<Pain Management, connectedTo, Dental Check_up>
+<Patient Transfer, connectedTo, Treatment Plan>
+<Patient Transfer, partOf, Genetic Counseling>
+<Physical Examination, connectedTo, Mental Health Assessment>
+<Physical Examination, connectedTo, Vaccination>
+<Referral, connectedTo, Physical Examination>
+<Symptom Monitoring, connectedTo, Telemedicine Consultation>
+<Symptom Monitoring, partOf, Patient Education>
+<Treatment Plan, connectedTo, Telemedicine Consultation>
+<Triage, connectedTo, Medical History>
+<Triage, connectedTo, Nutritional Counseling>
+<Vaccination, connectedTo, Insurance Claim>
+<Vaccination, partOf, Patient Education>
+<Wound Care, connectedTo, Triage>
diff --git a/test/plantuml/graph_hard/plantuml_60.puml b/test/plantuml/graph_hard/plantuml_60.puml
new file mode 100644
index 0000000000000000000000000000000000000000..9550b98e6a4db8f0bb4463a4be659955c45de90b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_60.puml
@@ -0,0 +1,74 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Avionics Installation" as Group0 #FFF3E0 {
+    usecase "Re_entry Vehicle Design" as nest0_0 #ECF0FD
+    frame "Satellite Data Processing" as nest0_1 #C8EDFF
+}
+rectangle "Component Recovery" as Group1 #E8F5E9 {
+    rectangle "System Reboot" as nest1_0 #ECF0FD
+    node "Runway Inspection" as nest1_1 #EFEBE9
+    component "Aircraft Maintenance Log" as nest1_2 #C8EDFF
+    usecase "Telemetry Setup" as nest1_3 #ECF0FD
+}
+cloud "Airframe Assembly" as N0 #EFEBE9
+node "Mission Debriefing" as N1 #ECF0FD
+artifact "Flight Simulation" as N2 #ECF0FD
+artifact "Thermal Shield Testing" as N3 #C8EDFF
+node "Emergency Protocols" as N4 #EFEBE9
+node "Flight Crew Training" as N5 #C8EDFF
+database "Rocket Stage Separation" as N6 #ECF0FD
+folder "Propulsion Testing" as N7 #ECF0FD
+folder "Countdown Sequence" as N8 #EFEBE9
+component "Launch Window Calculation" as N9 #EFEBE9
+component "Satellite Configuration" as N10 #C8EDFF
+node "Ground Station Coordination" as N11 #ECF0FD
+component "Extravehicular Activity Planning" as N12 #C8EDFF
+node "Launch Execution" as N13 #ECF0FD
+component "Mission Planning" as N14 #C8EDFF
+folder "Structural Analysis" as N15 #EFEBE9
+circle " " as S0 #EFEBE9
+circle " " as S1 #EFEBE9
+circle " " as M0 #EFEBE9
+circle " " as M1 #EFEBE9
+N0 ..[#82DAFF]..> N1
+N1 -[#000000]-> N2
+N2 -[#82DAFF]-> N3
+N3 -[#B8C0F5]-> N4
+N4 ..[#82DAFF]..> N5
+N5 -[#A1887F]-> N6 : integrates
+N6 -[#A1887F]-> N7
+N7 -[#A1887F]-> N8
+N8 ..[#000000]..> N9
+N9 ..[#A1887F]..> N10
+N10 ..[#000000]..> N11
+N11 ..[#82DAFF]..> N12
+N12 ..[#B8C0F5]..> N13
+N13 -[#A1887F]-> N14
+N14 ..[#82DAFF]..> N15
+nest0_0 ..[#B8C0F5]..> nest0_1
+N14 -[#B8C0F5]-> nest0_0
+nest0_1 ..[#82DAFF]..> N5
+nest1_0 ..[#A1887F]..> nest1_1
+nest1_1 -[#A1887F]-> nest1_2
+nest1_2 -[#A1887F]-> nest1_3
+N2 -[#82DAFF]-> nest1_0
+nest1_3 -[#000000]-> N12
+N2 -[#B8C0F5]-> S0
+S0 -[#B8C0F5]-> N11
+S0 -[#A1887F]-> N4
+S0 ..[#82DAFF]..> N6
+N10 ..[#A1887F]..> S1
+S1 ..[#82DAFF]..> N14
+S1 -[#82DAFF]-> N12
+S1 -[#000000]-> N13
+N4 -[#B8C0F5]-> M0
+N7 ..[#B8C0F5]..> M0
+N11 -[#B8C0F5]-> M0
+N13 -[#B8C0F5]-> M0
+M0 -[#B8C0F5]-> N15
+N5 ..[#A1887F]..> M1
+N0 ..[#000000]..> M1
+M1 ..[#82DAFF]..> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_60.txt b/test/plantuml/graph_hard/plantuml_60.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f646701721977e2d4675d203c7ec6c876ec91049
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_60.txt
@@ -0,0 +1,41 @@
+<Aircraft Maintenance Log, connectedTo, Telemetry Setup>
+<Aircraft Maintenance Log, partOf, Component Recovery>
+<Airframe Assembly, connectedTo, Mission Debriefing>
+<Airframe Assembly, connectedTo, Satellite Configuration>
+<Countdown Sequence, connectedTo, Launch Window Calculation>
+<Emergency Protocols, connectedTo, Flight Crew Training>
+<Emergency Protocols, connectedTo, Structural Analysis>
+<Extravehicular Activity Planning, connectedTo, Launch Execution>
+<Flight Crew Training, connectedTo, Satellite Configuration>
+<Flight Crew Training, integrates, Rocket Stage Separation>
+<Flight Simulation, connectedTo, Emergency Protocols>
+<Flight Simulation, connectedTo, Ground Station Coordination>
+<Flight Simulation, connectedTo, Rocket Stage Separation>
+<Flight Simulation, connectedTo, System Reboot>
+<Flight Simulation, connectedTo, Thermal Shield Testing>
+<Ground Station Coordination, connectedTo, Extravehicular Activity Planning>
+<Ground Station Coordination, connectedTo, Structural Analysis>
+<Launch Execution, connectedTo, Mission Planning>
+<Launch Execution, connectedTo, Structural Analysis>
+<Launch Window Calculation, connectedTo, Satellite Configuration>
+<Mission Debriefing, connectedTo, Flight Simulation>
+<Mission Planning, connectedTo, Re_entry Vehicle Design>
+<Mission Planning, connectedTo, Structural Analysis>
+<Propulsion Testing, connectedTo, Countdown Sequence>
+<Propulsion Testing, connectedTo, Structural Analysis>
+<Re_entry Vehicle Design, connectedTo, Satellite Data Processing>
+<Re_entry Vehicle Design, partOf, Avionics Installation>
+<Rocket Stage Separation, connectedTo, Propulsion Testing>
+<Runway Inspection, connectedTo, Aircraft Maintenance Log>
+<Runway Inspection, partOf, Component Recovery>
+<Satellite Configuration, connectedTo, Extravehicular Activity Planning>
+<Satellite Configuration, connectedTo, Ground Station Coordination>
+<Satellite Configuration, connectedTo, Launch Execution>
+<Satellite Configuration, connectedTo, Mission Planning>
+<Satellite Data Processing, connectedTo, Flight Crew Training>
+<Satellite Data Processing, partOf, Avionics Installation>
+<System Reboot, connectedTo, Runway Inspection>
+<System Reboot, partOf, Component Recovery>
+<Telemetry Setup, connectedTo, Extravehicular Activity Planning>
+<Telemetry Setup, partOf, Component Recovery>
+<Thermal Shield Testing, connectedTo, Emergency Protocols>
diff --git a/test/plantuml/graph_hard/plantuml_61.puml b/test/plantuml/graph_hard/plantuml_61.puml
new file mode 100644
index 0000000000000000000000000000000000000000..df5ee6abf16768f5bbcabcc231b03864fe7260ad
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_61.puml
@@ -0,0 +1,71 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Loss Prevention" as Group0 #F3E5F5 {
+    node "Life Insurance Underwriting" as nest0_0 #E6EE9C
+    folder "Business Interruption Coverage" as nest0_1 #E6EE9C
+}
+rectangle "Auto Accident Claims" as Group1 #FFF3E0 {
+    artifact "Coverage Review" as nest1_0 #E6EE9C
+    database "Product Development" as nest1_1 #E6EE9C
+    frame "Risk Assessment" as nest1_2 #E6EE9C
+    rectangle "Market Research" as nest1_3 #E6EE9C
+}
+database "Third_Party Administrator Liaison" as N0 #E6EE9C
+artifact "Policy Application" as N1 #C5CAE9
+frame "Investment Management for Reserves" as N2 #E6EE9C
+folder "Digital Policy Management" as N3 #F3E5F5
+component "Data Security" as N4 #F3E5F5
+frame "Property Damage Assessment" as N5 #C5CAE9
+usecase "Benefit Payout" as N6 #E6EE9C
+cloud "Claim Submission" as N7 #F3E5F5
+usecase "Agent Training" as N8 #C5CAE9
+rectangle "Compliance Reporting" as N9 #C5CAE9
+folder "Legal Review of Claims" as N10 #C5CAE9
+component "Claim Adjustment" as N11 #C5CAE9
+rectangle "Broker Management" as N12 #F3E5F5
+circle " " as S0 #F3E5F5
+circle " " as S1 #F3E5F5
+circle " " as S2 #E6EE9C
+circle " " as M0 #F3E5F5
+circle " " as M1 #E6EE9C
+N0 -[#000000]-> N1
+N1 ..[#000000]..> N2
+N2 ..[#000000]..> N3
+N3 ..[#CDDC39]..> N4
+N4 -[#CDDC39]-> N5
+N5 ..[#000000]..> N6
+N6 ..[#BA68C8]..> N7
+N7 -[#3F51B5]-> N8
+N8 ..[#CDDC39]..> N9
+N9 ..[#3F51B5]..> N10
+N10 -[#CDDC39]-> N11
+N11 ..[#3F51B5]..> N12
+nest0_0 ..[#CDDC39]..> nest0_1
+N2 -[#BA68C8]-> nest0_0
+nest0_1 -[#CDDC39]-> N2
+nest1_0 -[#3F51B5]-> nest1_1
+nest1_1 -[#3F51B5]-> nest1_2
+nest1_2 ..[#3F51B5]..> nest1_3
+N3 ..[#000000]..> nest1_0
+nest1_3 -[#000000]-> N3
+N4 ..[#BA68C8]..> S0
+S0 ..[#BA68C8]..> N8
+S0 -[#000000]-> N9
+S0 ..[#CDDC39]..> N12
+N6 -[#BA68C8]-> S1
+S1 ..[#BA68C8]..> N11
+S1 ..[#000000]..> N12
+S1 ..[#3F51B5]..> N10
+N2 ..[#000000]..> S2
+S2 ..[#BA68C8]..> N5
+S2 ..[#3F51B5]..> N6
+N3 -[#CDDC39]-> M0
+N1 ..[#CDDC39]..> M0
+M0 -[#3F51B5]-> N8
+N6 ..[#BA68C8]..> M1
+N4 ..[#CDDC39]..> M1
+N5 ..[#000000]..> M1
+M1 ..[#000000]..> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_61.txt b/test/plantuml/graph_hard/plantuml_61.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bd028d6bcf1990bdcc327c8eef2f02488cabdeed
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_61.txt
@@ -0,0 +1,38 @@
+<Agent Training, connectedTo, Compliance Reporting>
+<Benefit Payout, connectedTo, Broker Management>
+<Benefit Payout, connectedTo, Claim Adjustment>
+<Benefit Payout, connectedTo, Claim Submission>
+<Benefit Payout, connectedTo, Compliance Reporting>
+<Benefit Payout, connectedTo, Legal Review of Claims>
+<Business Interruption Coverage, connectedTo, Investment Management for Reserves>
+<Business Interruption Coverage, partOf, Loss Prevention>
+<Claim Adjustment, connectedTo, Broker Management>
+<Claim Submission, connectedTo, Agent Training>
+<Compliance Reporting, connectedTo, Legal Review of Claims>
+<Coverage Review, connectedTo, Product Development>
+<Coverage Review, partOf, Auto Accident Claims>
+<Data Security, connectedTo, Agent Training>
+<Data Security, connectedTo, Broker Management>
+<Data Security, connectedTo, Compliance Reporting>
+<Data Security, connectedTo, Property Damage Assessment>
+<Digital Policy Management, connectedTo, Agent Training>
+<Digital Policy Management, connectedTo, Coverage Review>
+<Digital Policy Management, connectedTo, Data Security>
+<Investment Management for Reserves, connectedTo, Benefit Payout>
+<Investment Management for Reserves, connectedTo, Digital Policy Management>
+<Investment Management for Reserves, connectedTo, Life Insurance Underwriting>
+<Investment Management for Reserves, connectedTo, Property Damage Assessment>
+<Legal Review of Claims, connectedTo, Claim Adjustment>
+<Life Insurance Underwriting, connectedTo, Business Interruption Coverage>
+<Life Insurance Underwriting, partOf, Loss Prevention>
+<Market Research, connectedTo, Digital Policy Management>
+<Market Research, partOf, Auto Accident Claims>
+<Policy Application, connectedTo, Agent Training>
+<Policy Application, connectedTo, Investment Management for Reserves>
+<Product Development, connectedTo, Risk Assessment>
+<Product Development, partOf, Auto Accident Claims>
+<Property Damage Assessment, connectedTo, Benefit Payout>
+<Property Damage Assessment, connectedTo, Compliance Reporting>
+<Risk Assessment, connectedTo, Market Research>
+<Risk Assessment, partOf, Auto Accident Claims>
+<Third_Party Administrator Liaison, connectedTo, Policy Application>
diff --git a/test/plantuml/graph_hard/plantuml_62.puml b/test/plantuml/graph_hard/plantuml_62.puml
new file mode 100644
index 0000000000000000000000000000000000000000..ed34347da4598b487fa324065b08a14f67535785
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_62.puml
@@ -0,0 +1,56 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Broker Management" as Group0 #E0F2F1 {
+    usecase "Agent Training" as nest0_0 #FFF9C4
+    folder "Policy Cancellation" as nest0_1 #E0F7FA
+    usecase "Customer Onboarding" as nest0_2 #FFDAB9
+}
+rectangle "Legal Review of Claims" as Group1 #E8F5E9 {
+    frame "Policy Issuance" as nest1_0 #FFF9C4
+    rectangle "Auto Accident Claims" as nest1_1 #FFDAB9
+    component "Annuity Sales" as nest1_2 #FFF9C4
+}
+folder "Cyber Insurance Policy" as N0 #E0F7FA
+cloud "Payment Processing" as N1 #FFDAB9
+node "Market Research" as N2 #FFDAB9
+cloud "Investment Management for Reserves" as N3 #FFF9C4
+artifact "Underwriting" as N4 #FFF9C4
+cloud "Business Interruption Coverage" as N5 #FFF9C4
+artifact "Claims Litigation Management" as N6 #FFF9C4
+node "Benefit Payout" as N7 #FFF9C4
+rectangle "Compliance Reporting" as N8 #E0F7FA
+circle " " as S0 #FFF9C4
+circle " " as S1 #FFDAB9
+circle " " as S2 #FFF9C4
+circle " " as M1 #E0F7FA
+N0 ..[#00BCD4]..> N1
+N1 ..[#FFEB3B]..> N2
+N2 ..[#00BCD4]..> N3
+N3 -[#FFEB3B]-> N4
+N4 ..[#FFEB3B]..> N5
+N5 -[#000000]-> N6
+N6 ..[#000000]..> N7
+N7 -[#00BCD4]-> N8 : verifies
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 -[#FFEB3B]-> nest0_2
+N2 ..[#000000]..> nest0_0
+nest0_2 -[#00BCD4]-> N1
+nest1_0 ..[#FFC085]..> nest1_1
+nest1_1 ..[#00BCD4]..> nest1_2
+N5 ..[#00BCD4]..> nest1_0
+nest1_2 -[#000000]-> N4
+N3 -[#FFEB3B]-> S0
+S0 -[#FFC085]-> N6
+S0 -[#00BCD4]-> N7
+N0 -[#FFEB3B]-> S1
+S1 -[#000000]-> N7
+S1 -[#000000]-> N3
+N0 ..[#00BCD4]..> S2
+S2 -[#00BCD4]-> N3
+S2 ..[#00BCD4]..> N2
+N2 -[#000000]-> M1
+N4 ..[#FFC085]..> M1
+M1 -[#00BCD4]-> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_62.txt b/test/plantuml/graph_hard/plantuml_62.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5b826508887a6d871a39f07332117a85ed2dd2bc
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_62.txt
@@ -0,0 +1,29 @@
+<Agent Training, connectedTo, Policy Cancellation>
+<Agent Training, partOf, Broker Management>
+<Annuity Sales, connectedTo, Underwriting>
+<Annuity Sales, partOf, Legal Review of Claims>
+<Auto Accident Claims, connectedTo, Annuity Sales>
+<Auto Accident Claims, partOf, Legal Review of Claims>
+<Benefit Payout, verifies, Compliance Reporting>
+<Business Interruption Coverage, connectedTo, Claims Litigation Management>
+<Business Interruption Coverage, connectedTo, Policy Issuance>
+<Claims Litigation Management, connectedTo, Benefit Payout>
+<Customer Onboarding, connectedTo, Payment Processing>
+<Customer Onboarding, partOf, Broker Management>
+<Cyber Insurance Policy, connectedTo, Benefit Payout>
+<Cyber Insurance Policy, connectedTo, Investment Management for Reserves>
+<Cyber Insurance Policy, connectedTo, Market Research>
+<Cyber Insurance Policy, connectedTo, Payment Processing>
+<Investment Management for Reserves, connectedTo, Benefit Payout>
+<Investment Management for Reserves, connectedTo, Claims Litigation Management>
+<Investment Management for Reserves, connectedTo, Underwriting>
+<Market Research, connectedTo, Agent Training>
+<Market Research, connectedTo, Claims Litigation Management>
+<Market Research, connectedTo, Investment Management for Reserves>
+<Payment Processing, connectedTo, Market Research>
+<Policy Cancellation, connectedTo, Customer Onboarding>
+<Policy Cancellation, partOf, Broker Management>
+<Policy Issuance, connectedTo, Auto Accident Claims>
+<Policy Issuance, partOf, Legal Review of Claims>
+<Underwriting, connectedTo, Business Interruption Coverage>
+<Underwriting, connectedTo, Claims Litigation Management>
diff --git a/test/plantuml/graph_hard/plantuml_63.puml b/test/plantuml/graph_hard/plantuml_63.puml
new file mode 100644
index 0000000000000000000000000000000000000000..3827e315772ebfb928d00d9c59f982e28e91b250
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_63.puml
@@ -0,0 +1,77 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Risk Assessment" as Group0 #E3F2FD {
+    node "Policy Application" as nest0_0 #ECCFF5
+    artifact "Legal Review of Claims" as nest0_1 #E9F7E8
+    rectangle "Underwriting" as nest0_2 #E9F7E8
+    folder "Fraud Investigation" as nest0_3 #E9F7E8
+}
+rectangle "Third_Party Administrator Liaison" as Group1 #FFF3E0 {
+    frame "Catastrophe Modeling" as nest1_0 #F3E5F5
+    folder "Coverage Review" as nest1_1 #E9F7E8
+    component "Annuity Sales" as nest1_2 #F3E5F5
+}
+node "Agent Training" as N0 #E9F7E8
+cloud "Reinsurance Negotiation" as N1 #ECCFF5
+cloud "Actuarial Analysis" as N2 #ECCFF5
+frame "Policy Renewal" as N3 #F3E5F5
+cloud "Policy Issuance" as N4 #ECCFF5
+artifact "Customer Communication" as N5 #F3E5F5
+folder "Compliance Reporting" as N6 #E9F7E8
+component "Data Security" as N7 #E9F7E8
+frame "Customer Support" as N8 #F3E5F5
+frame "Healthcare Provider Network Management" as N9 #ECCFF5
+node "Product Development" as N10 #ECCFF5
+folder "Premium Calculation" as N11 #ECCFF5
+rectangle "Market Research" as N12 #E9F7E8
+folder "Auto Accident Claims" as N13 #ECCFF5
+folder "Investment Management for Reserves" as N14 #ECCFF5
+frame "Claim Adjustment" as N15 #F3E5F5
+folder "Broker Management" as N16 #E9F7E8
+folder "Payment Processing" as N17 #ECCFF5
+circle " " as S0 #F3E5F5
+circle " " as S1 #F3E5F5
+circle " " as M0 #ECCFF5
+circle " " as M2 #ECCFF5
+N0 -[#000000]-> N1
+N1 -[#BA68C8]-> N2
+N2 -[#6EB76D]-> N3
+N3 ..[#BA68C8]..> N4 : markets
+N4 ..[#000000]..> N5
+N5 ..[#000000]..> N6
+N6 ..[#BA68C8]..> N7
+N7 ..[#6EB76D]..> N8
+N8 ..[#CD8FF2]..> N9 : secures
+N9 -[#BA68C8]-> N10
+N10 -[#BA68C8]-> N11
+N11 -[#BA68C8]-> N12
+N12 -[#6EB76D]-> N13
+N13 ..[#CD8FF2]..> N14
+N14 ..[#6EB76D]..> N15
+N15 -[#CD8FF2]-> N16
+N16 ..[#000000]..> N17
+nest0_0 ..[#6EB76D]..> nest0_1
+nest0_1 -[#6EB76D]-> nest0_2
+nest0_2 -[#6EB76D]-> nest0_3 : quotes
+N7 -[#6EB76D]-> nest0_0 : trains
+nest0_3 ..[#CD8FF2]..> N12
+nest1_0 -[#BA68C8]-> nest1_1
+nest1_1 ..[#000000]..> nest1_2
+N5 -[#BA68C8]-> nest1_0
+nest1_2 -[#6EB76D]-> N1
+N10 -[#000000]-> S0
+S0 -[#BA68C8]-> N15
+S0 ..[#BA68C8]..> N16
+S0 ..[#CD8FF2]..> N17
+N13 -[#6EB76D]-> S1
+S1 ..[#6EB76D]..> N15
+S1 -[#6EB76D]-> N16
+N0 ..[#000000]..> M0
+N7 -[#6EB76D]-> M0
+M0 ..[#BA68C8]..> N15
+N5 ..[#000000]..> M2
+N2 -[#CD8FF2]-> M2
+M2 ..[#BA68C8]..> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_63.txt b/test/plantuml/graph_hard/plantuml_63.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f6beedcdfb4c792e03baf6613f4bb1fad846cfa7
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_63.txt
@@ -0,0 +1,42 @@
+<Actuarial Analysis, connectedTo, Data Security>
+<Actuarial Analysis, connectedTo, Policy Renewal>
+<Agent Training, connectedTo, Claim Adjustment>
+<Agent Training, connectedTo, Reinsurance Negotiation>
+<Annuity Sales, connectedTo, Reinsurance Negotiation>
+<Annuity Sales, partOf, Third_Party Administrator Liaison>
+<Auto Accident Claims, connectedTo, Broker Management>
+<Auto Accident Claims, connectedTo, Claim Adjustment>
+<Auto Accident Claims, connectedTo, Investment Management for Reserves>
+<Broker Management, connectedTo, Payment Processing>
+<Catastrophe Modeling, connectedTo, Coverage Review>
+<Catastrophe Modeling, partOf, Third_Party Administrator Liaison>
+<Claim Adjustment, connectedTo, Broker Management>
+<Compliance Reporting, connectedTo, Data Security>
+<Coverage Review, connectedTo, Annuity Sales>
+<Coverage Review, partOf, Third_Party Administrator Liaison>
+<Customer Communication, connectedTo, Catastrophe Modeling>
+<Customer Communication, connectedTo, Compliance Reporting>
+<Customer Communication, connectedTo, Data Security>
+<Customer Support, secures, Healthcare Provider Network Management>
+<Data Security, connectedTo, Claim Adjustment>
+<Data Security, connectedTo, Customer Support>
+<Data Security, trains, Policy Application>
+<Fraud Investigation, connectedTo, Market Research>
+<Fraud Investigation, partOf, Risk Assessment>
+<Healthcare Provider Network Management, connectedTo, Product Development>
+<Investment Management for Reserves, connectedTo, Claim Adjustment>
+<Legal Review of Claims, connectedTo, Underwriting>
+<Legal Review of Claims, partOf, Risk Assessment>
+<Market Research, connectedTo, Auto Accident Claims>
+<Policy Application, connectedTo, Legal Review of Claims>
+<Policy Application, partOf, Risk Assessment>
+<Policy Issuance, connectedTo, Customer Communication>
+<Policy Renewal, markets, Policy Issuance>
+<Premium Calculation, connectedTo, Market Research>
+<Product Development, connectedTo, Broker Management>
+<Product Development, connectedTo, Claim Adjustment>
+<Product Development, connectedTo, Payment Processing>
+<Product Development, connectedTo, Premium Calculation>
+<Reinsurance Negotiation, connectedTo, Actuarial Analysis>
+<Underwriting, partOf, Risk Assessment>
+<Underwriting, quotes, Fraud Investigation>
diff --git a/test/plantuml/graph_hard/plantuml_64.puml b/test/plantuml/graph_hard/plantuml_64.puml
new file mode 100644
index 0000000000000000000000000000000000000000..bf6f48a00c9ceff3ff4204aad396187e2d4dc07c
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_64.puml
@@ -0,0 +1,61 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Security Policy Development" as Group0 #FFF3E0 {
+    folder "Security Operations Center Monitoring" as nest0_0 #FFE88D
+    cloud "User Training" as nest0_1 #FFE88D
+}
+rectangle "Disaster Recovery Planning" as Group1 #ECEFF1 {
+    database "DevSecOps Integration" as nest1_0 #FFE88D
+    artifact "Mobile Security" as nest1_1 #FFE88D
+    folder "Security Patch Management" as nest1_2 #E0F2F1
+}
+folder "Cryptography Implementation" as N0 #E0F2F1
+component "Phishing Simulation" as N1 #E0F2F1
+rectangle "Antivirus Management" as N2 #FFFDE0
+database "Firewall Configuration" as N3 #FFE88D
+folder "Physical Security Integration" as N4 #FFFDE0
+frame "Application Security" as N5 #E0F2F1
+node "Risk Management Framework" as N6 #FFFDE0
+usecase "Zero Trust Architecture" as N7 #E0F2F1
+component "Dark Web Monitoring" as N8 #FFFDE0
+rectangle "Data Loss Prevention" as N9 #FFFDE0
+circle " " as S0 #FFFDE0
+circle " " as S2 #E0F2F1
+circle " " as M0 #FFE88D
+circle " " as M1 #FFFDE0
+circle " " as M2 #FFE88D
+N0 -[#FFDA4E]-> N1
+N1 -[#FFF8A6]-> N2
+N2 -[#26A69A]-> N3
+N3 ..[#FFDA4E]..> N4
+N4 ..[#FFDA4E]..> N5
+N5 -[#FFDA4E]-> N6
+N6 ..[#FFF8A6]..> N7 : recovers
+N7 -[#26A69A]-> N8
+N8 ..[#FFDA4E]..> N9
+nest0_0 -[#26A69A]-> nest0_1
+N7 ..[#000000]..> nest0_0
+nest0_1 ..[#FFDA4E]..> N2
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 -[#FFDA4E]-> nest1_2
+N5 ..[#FFDA4E]..> nest1_0
+nest1_2 -[#26A69A]-> N2
+N4 -[#FFF8A6]-> S0
+S0 -[#26A69A]-> N7
+S0 ..[#FFDA4E]..> N9
+N0 -[#26A69A]-> S2
+S2 -[#FFF8A6]-> N4
+S2 ..[#000000]..> N5
+N0 -[#000000]-> M0 : blocks
+N2 ..[#FFF8A6]..> M0 : threatens
+N1 ..[#26A69A]..> M0
+M0 ..[#FFF8A6]..> N4
+N2 -[#000000]-> M1
+N1 -[#26A69A]-> M1
+M1 ..[#000000]..> N4
+N1 ..[#FFDA4E]..> M2
+N2 -[#FFF8A6]-> M2
+M2 ..[#FFF8A6]..> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_64.txt b/test/plantuml/graph_hard/plantuml_64.txt
new file mode 100644
index 0000000000000000000000000000000000000000..013a3f90d7a2fdb07f7f69d3e729f1f5fbafacf1
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_64.txt
@@ -0,0 +1,29 @@
+<Antivirus Management, connectedTo, Firewall Configuration>
+<Antivirus Management, connectedTo, Physical Security Integration>
+<Antivirus Management, threatens, Physical Security Integration>
+<Application Security, connectedTo, DevSecOps Integration>
+<Application Security, connectedTo, Risk Management Framework>
+<Cryptography Implementation, blocks, Physical Security Integration>
+<Cryptography Implementation, connectedTo, Application Security>
+<Cryptography Implementation, connectedTo, Phishing Simulation>
+<Cryptography Implementation, connectedTo, Physical Security Integration>
+<Dark Web Monitoring, connectedTo, Data Loss Prevention>
+<DevSecOps Integration, connectedTo, Mobile Security>
+<DevSecOps Integration, partOf, Disaster Recovery Planning>
+<Firewall Configuration, connectedTo, Physical Security Integration>
+<Mobile Security, connectedTo, Security Patch Management>
+<Mobile Security, partOf, Disaster Recovery Planning>
+<Phishing Simulation, connectedTo, Antivirus Management>
+<Phishing Simulation, connectedTo, Physical Security Integration>
+<Physical Security Integration, connectedTo, Application Security>
+<Physical Security Integration, connectedTo, Data Loss Prevention>
+<Physical Security Integration, connectedTo, Zero Trust Architecture>
+<Risk Management Framework, recovers, Zero Trust Architecture>
+<Security Operations Center Monitoring, connectedTo, User Training>
+<Security Operations Center Monitoring, partOf, Security Policy Development>
+<Security Patch Management, connectedTo, Antivirus Management>
+<Security Patch Management, partOf, Disaster Recovery Planning>
+<User Training, connectedTo, Antivirus Management>
+<User Training, partOf, Security Policy Development>
+<Zero Trust Architecture, connectedTo, Dark Web Monitoring>
+<Zero Trust Architecture, connectedTo, Security Operations Center Monitoring>
diff --git a/test/plantuml/graph_hard/plantuml_65.puml b/test/plantuml/graph_hard/plantuml_65.puml
new file mode 100644
index 0000000000000000000000000000000000000000..79fce9ea636c7bac82fabe2ced301d51be83f0f1
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_65.puml
@@ -0,0 +1,73 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Access Control" as Group0 #FBE9E7 {
+    rectangle "Cloud Security" as nest0_0 #E4E0DF
+    artifact "Security Policy Development" as nest0_1 #F5F5F5
+    node "Endpoint Protection" as nest0_2 #E4E0DF
+    database "Phishing Simulation" as nest0_3 #E4E0DF
+}
+rectangle "Antivirus Management" as Group1 #FBE9E7 {
+    frame "Data Encryption" as nest1_0 #F5F5F5
+    component "User Training" as nest1_1 #E4E0DF
+}
+frame "Penetration Testing" as N0 #F1F8E9
+component "Threat Detection" as N1 #F5F5F5
+node "Malware Analysis" as N2 #E4E0DF
+usecase "Data Loss Prevention" as N3 #F5F5F5
+folder "Dark Web Monitoring" as N4 #F1F8E9
+usecase "Supply Chain Security" as N5 #F5F5F5
+frame "Security Operations Center Monitoring" as N6 #F1F8E9
+frame "Mobile Security" as N7 #F5F5F5
+component "Physical Security Integration" as N8 #F1F8E9
+rectangle "Insider Threat Detection" as N9 #F5F5F5
+folder "Digital Forensics" as N10 #F5F5F5
+rectangle "DevSecOps Integration" as N11 #F1F8E9
+circle " " as S0 #E4E0DF
+circle " " as S1 #F5F5F5
+circle " " as S2 #E4E0DF
+circle " " as M0 #F1F8E9
+circle " " as M1 #E4E0DF
+circle " " as M2 #E4E0DF
+N0 ..[#81C784]..> N1
+N1 -[#81C784]-> N2
+N2 ..[#BDAFA8]..> N3
+N3 ..[#BDBDBD]..> N4
+N4 ..[#81C784]..> N5
+N5 -[#BDAFA8]-> N6
+N6 -[#81C784]-> N7
+N7 -[#81C784]-> N8
+N8 -[#BDBDBD]-> N9 : notifies
+N9 -[#BDAFA8]-> N10
+N10 ..[#BDBDBD]..> N11
+nest0_0 -[#000000]-> nest0_1
+nest0_1 ..[#000000]..> nest0_2
+nest0_2 -[#000000]-> nest0_3
+N4 ..[#BDBDBD]..> nest0_0 : vulnerabilities
+nest0_3 ..[#000000]..> N8
+nest1_0 ..[#BDBDBD]..> nest1_1
+N2 -[#BDAFA8]-> nest1_0
+nest1_1 ..[#BDBDBD]..> N3
+N6 -[#000000]-> S0
+S0 -[#81C784]-> N9
+S0 -[#BDBDBD]-> N8
+N8 ..[#BDAFA8]..> S1
+S1 ..[#BDAFA8]..> N11
+S1 -[#000000]-> N10
+N2 -[#BDBDBD]-> S2
+S2 -[#BDAFA8]-> N8
+S2 -[#BDBDBD]-> N5
+S2 ..[#000000]..> N7 : audits
+N0 ..[#000000]..> M0
+N5 -[#BDAFA8]-> M0
+N4 ..[#BDAFA8]..> M0
+N3 ..[#81C784]..> M0 : isolates
+M0 ..[#BDBDBD]..> N8
+N6 ..[#81C784]..> M1
+N1 -[#000000]-> M1
+M1 -[#BDAFA8]-> N8
+N0 ..[#BDBDBD]..> M2
+N1 ..[#BDAFA8]..> M2
+M2 -[#BDBDBD]-> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_65.txt b/test/plantuml/graph_hard/plantuml_65.txt
new file mode 100644
index 0000000000000000000000000000000000000000..48f5d3a3b0acee3e856fa44fe67690827fb0a36a
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_65.txt
@@ -0,0 +1,39 @@
+<Cloud Security, connectedTo, Security Policy Development>
+<Cloud Security, partOf, Access Control>
+<Dark Web Monitoring, connectedTo, Physical Security Integration>
+<Dark Web Monitoring, connectedTo, Supply Chain Security>
+<Dark Web Monitoring, vulnerabilities, Cloud Security>
+<Data Encryption, connectedTo, User Training>
+<Data Encryption, partOf, Antivirus Management>
+<Data Loss Prevention, connectedTo, Dark Web Monitoring>
+<Data Loss Prevention, isolates, Physical Security Integration>
+<Digital Forensics, connectedTo, DevSecOps Integration>
+<Endpoint Protection, connectedTo, Phishing Simulation>
+<Endpoint Protection, partOf, Access Control>
+<Insider Threat Detection, connectedTo, Digital Forensics>
+<Malware Analysis, audits, Mobile Security>
+<Malware Analysis, connectedTo, Data Encryption>
+<Malware Analysis, connectedTo, Data Loss Prevention>
+<Malware Analysis, connectedTo, Physical Security Integration>
+<Malware Analysis, connectedTo, Supply Chain Security>
+<Mobile Security, connectedTo, Physical Security Integration>
+<Penetration Testing, connectedTo, Data Loss Prevention>
+<Penetration Testing, connectedTo, Physical Security Integration>
+<Penetration Testing, connectedTo, Threat Detection>
+<Phishing Simulation, connectedTo, Physical Security Integration>
+<Phishing Simulation, partOf, Access Control>
+<Physical Security Integration, connectedTo, DevSecOps Integration>
+<Physical Security Integration, connectedTo, Digital Forensics>
+<Physical Security Integration, notifies, Insider Threat Detection>
+<Security Operations Center Monitoring, connectedTo, Insider Threat Detection>
+<Security Operations Center Monitoring, connectedTo, Mobile Security>
+<Security Operations Center Monitoring, connectedTo, Physical Security Integration>
+<Security Policy Development, connectedTo, Endpoint Protection>
+<Security Policy Development, partOf, Access Control>
+<Supply Chain Security, connectedTo, Physical Security Integration>
+<Supply Chain Security, connectedTo, Security Operations Center Monitoring>
+<Threat Detection, connectedTo, Data Loss Prevention>
+<Threat Detection, connectedTo, Malware Analysis>
+<Threat Detection, connectedTo, Physical Security Integration>
+<User Training, connectedTo, Data Loss Prevention>
+<User Training, partOf, Antivirus Management>
diff --git a/test/plantuml/graph_hard/plantuml_66.puml b/test/plantuml/graph_hard/plantuml_66.puml
new file mode 100644
index 0000000000000000000000000000000000000000..19d86781687528bc8b896d0b594dc6051a337d29
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_66.puml
@@ -0,0 +1,82 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Access Control" as Group0 #F3E5F5 {
+    rectangle "Compliance Monitoring" as nest0_0 #FBE9E7
+    cloud "Disaster Recovery Planning" as nest0_1 #FBE9E7
+    artifact "Security Audit" as nest0_2 #FBE9E7
+    usecase "Backup and Recovery" as nest0_3 #FBE9E7
+}
+rectangle "Antivirus Management" as Group1 #E3F2FD {
+    rectangle "Penetration Testing" as nest1_0 #EBEBEB
+    usecase "Web Application Firewall Deployment" as nest1_1 #EBEBEB
+    database "Security Operations Center Monitoring" as nest1_2 #ECEFF1
+}
+database "Threat Intelligence Gathering" as N0 #FBE9E7
+folder "Risk Management Framework" as N1 #FBE9E7
+component "Insider Threat Detection" as N2 #FBE9E7
+rectangle "Incident Response" as N3 #FBE9E7
+node "Application Security" as N4 #FBE9E7
+component "Dark Web Monitoring" as N5 #EBEBEB
+node "User Training" as N6 #FBE9E7
+rectangle "Security Awareness Training" as N7 #ECEFF1
+frame "Identity Management" as N8 #FBE9E7
+frame "Mobile Security" as N9 #ECEFF1
+component "Cryptography Implementation" as N10 #ECEFF1
+frame "DevSecOps Integration" as N11 #FBE9E7
+cloud "Supply Chain Security" as N12 #ECEFF1
+artifact "Zero Trust Architecture" as N13 #FBE9E7
+cloud "Data Encryption" as N14 #ECEFF1
+cloud "Physical Security Integration" as N15 #FBE9E7
+rectangle "Vulnerability Assessment" as N16 #FBE9E7
+circle " " as S0 #FBE9E7
+circle " " as S1 #ECEFF1
+circle " " as M0 #FBE9E7
+circle " " as M1 #ECEFF1
+circle " " as M2 #ECEFF1
+N0 ..[#90A4AE]..> N1
+N1 -[#E0E0E0]-> N2
+N2 -[#000000]-> N3
+N3 -[#90A4AE]-> N4
+N4 ..[#000000]..> N5
+N5 ..[#E0E0E0]..> N6
+N6 -[#E0E0E0]-> N7
+N7 -[#E0E0E0]-> N8
+N8 -[#E0E0E0]-> N9 : encrypts
+N9 -[#90A4AE]-> N10
+N10 -[#FF8A65]-> N11
+N11 -[#E0E0E0]-> N12
+N12 ..[#FF8A65]..> N13 : scans
+N13 -[#90A4AE]-> N14
+N14 ..[#E0E0E0]..> N15 : vulnerabilities
+N15 ..[#FF8A65]..> N16
+nest0_0 -[#000000]-> nest0_1
+nest0_1 ..[#90A4AE]..> nest0_2
+nest0_2 -[#FF8A65]-> nest0_3
+N14 -[#E0E0E0]-> nest0_0
+nest0_3 ..[#E0E0E0]..> N3 : advises
+nest1_0 -[#90A4AE]-> nest1_1
+nest1_1 -[#FF8A65]-> nest1_2
+N15 -[#90A4AE]-> nest1_0
+nest1_2 ..[#E0E0E0]..> N5
+N7 -[#FF8A65]-> S0
+S0 -[#000000]-> N14
+S0 ..[#FF8A65]..> N13
+S0 ..[#000000]..> N10 : designs
+S0 -[#90A4AE]-> N16
+N10 -[#E0E0E0]-> S1
+S1 ..[#FF8A65]..> N12
+S1 ..[#FF8A65]..> N14
+S1 ..[#90A4AE]..> N16 : patches
+N0 -[#90A4AE]-> M0
+N14 ..[#90A4AE]..> M0
+N8 -[#000000]-> M0
+M0 -[#FF8A65]-> N16
+N13 -[#90A4AE]-> M1
+N7 -[#000000]-> M1
+M1 ..[#000000]..> N15
+N0 -[#90A4AE]-> M2
+N1 -[#FF8A65]-> M2
+M2 -[#000000]-> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_66.txt b/test/plantuml/graph_hard/plantuml_66.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c09e5651ee4fd2d2241ebd6bed5e0becb14e2a0c
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_66.txt
@@ -0,0 +1,46 @@
+<Application Security, connectedTo, Dark Web Monitoring>
+<Backup and Recovery, advises, Incident Response>
+<Backup and Recovery, partOf, Access Control>
+<Compliance Monitoring, connectedTo, Disaster Recovery Planning>
+<Compliance Monitoring, partOf, Access Control>
+<Cryptography Implementation, connectedTo, Data Encryption>
+<Cryptography Implementation, connectedTo, DevSecOps Integration>
+<Cryptography Implementation, connectedTo, Supply Chain Security>
+<Cryptography Implementation, patches, Vulnerability Assessment>
+<Dark Web Monitoring, connectedTo, User Training>
+<Data Encryption, connectedTo, Compliance Monitoring>
+<Data Encryption, connectedTo, Vulnerability Assessment>
+<Data Encryption, vulnerabilities, Physical Security Integration>
+<DevSecOps Integration, connectedTo, Supply Chain Security>
+<Disaster Recovery Planning, connectedTo, Security Audit>
+<Disaster Recovery Planning, partOf, Access Control>
+<Identity Management, connectedTo, Vulnerability Assessment>
+<Identity Management, encrypts, Mobile Security>
+<Incident Response, connectedTo, Application Security>
+<Insider Threat Detection, connectedTo, Incident Response>
+<Mobile Security, connectedTo, Cryptography Implementation>
+<Penetration Testing, connectedTo, Web Application Firewall Deployment>
+<Penetration Testing, partOf, Antivirus Management>
+<Physical Security Integration, connectedTo, Penetration Testing>
+<Physical Security Integration, connectedTo, Vulnerability Assessment>
+<Risk Management Framework, connectedTo, Incident Response>
+<Risk Management Framework, connectedTo, Insider Threat Detection>
+<Security Audit, connectedTo, Backup and Recovery>
+<Security Audit, partOf, Access Control>
+<Security Awareness Training, connectedTo, Data Encryption>
+<Security Awareness Training, connectedTo, Identity Management>
+<Security Awareness Training, connectedTo, Physical Security Integration>
+<Security Awareness Training, connectedTo, Vulnerability Assessment>
+<Security Awareness Training, connectedTo, Zero Trust Architecture>
+<Security Awareness Training, designs, Cryptography Implementation>
+<Security Operations Center Monitoring, connectedTo, Dark Web Monitoring>
+<Security Operations Center Monitoring, partOf, Antivirus Management>
+<Supply Chain Security, scans, Zero Trust Architecture>
+<Threat Intelligence Gathering, connectedTo, Incident Response>
+<Threat Intelligence Gathering, connectedTo, Risk Management Framework>
+<Threat Intelligence Gathering, connectedTo, Vulnerability Assessment>
+<User Training, connectedTo, Security Awareness Training>
+<Web Application Firewall Deployment, connectedTo, Security Operations Center Monitoring>
+<Web Application Firewall Deployment, partOf, Antivirus Management>
+<Zero Trust Architecture, connectedTo, Data Encryption>
+<Zero Trust Architecture, connectedTo, Physical Security Integration>
diff --git a/test/plantuml/graph_hard/plantuml_67.puml b/test/plantuml/graph_hard/plantuml_67.puml
new file mode 100644
index 0000000000000000000000000000000000000000..3445d1ad6e49f37c6e6220a8c2b3e253368a9b0f
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_67.puml
@@ -0,0 +1,62 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Door Lock Management" as Group0 #F1F8E9 {
+    folder "Home Security System Activation" as nest0_0 #FFF8E1
+    rectangle "Voice Command" as nest0_1 #FFF8E1
+    usecase "Smoke Alarm Integration" as nest0_2 #DDCEDD
+    component "Power Outage Notification" as nest0_3 #D7CCC8
+}
+rectangle "Energy Consumption Optimization" as Group1 #E0F2F1 {
+    node "Smart Mirror Functionality" as nest1_0 #D7CCC8
+    frame "Routine Scheduling" as nest1_1 #FFF8E1
+    rectangle "Air Quality Monitoring" as nest1_2 #FFF8E1
+}
+folder "Guest Access Management" as N0 #D7CCC8
+cloud "Sound System Integration" as N1 #FFF8E1
+component "Smart Plug Management" as N2 #FFF8E1
+artifact "Motion Detection" as N3 #DDCEDD
+frame "Firmware Update" as N4 #D7CCC8
+rectangle "Thermostat Adjustment" as N5 #FFF8E1
+node "Video Surveillance" as N6 #FFF8E1
+rectangle "Leak Detection" as N7 #FFF8E1
+usecase "Window Sensor Monitoring" as N8 #DDCEDD
+circle " " as S0 #FFF8E1
+circle " " as S1 #D7CCC8
+circle " " as S2 #FFF8E1
+circle " " as M0 #DDCEDD
+circle " " as M1 #FFF8E1
+N0 -[#FFD54F]-> N1
+N1 ..[#795548]..> N2
+N2 -[#FFD54F]-> N3
+N3 ..[#795548]..> N4
+N4 ..[#FFD54F]..> N5
+N5 ..[#FFD54F]..> N6
+N6 ..[#795548]..> N7
+N7 ..[#000000]..> N8
+nest0_0 ..[#795548]..> nest0_1
+nest0_1 -[#AF56A6]-> nest0_2
+nest0_2 ..[#000000]..> nest0_3
+N1 ..[#000000]..> nest0_0
+nest0_3 -[#000000]-> N4
+nest1_0 -[#795548]-> nest1_1
+nest1_1 -[#FFD54F]-> nest1_2
+N4 -[#000000]-> nest1_0
+nest1_2 -[#AF56A6]-> N1
+N4 -[#795548]-> S0
+S0 -[#FFD54F]-> N6
+S0 ..[#AF56A6]..> N8
+N5 -[#795548]-> S1
+S1 -[#795548]-> N8
+S1 -[#AF56A6]-> N7
+N1 ..[#000000]..> S2
+S2 -[#000000]-> N3
+S2 -[#000000]-> N5
+N1 -[#AF56A6]-> M0
+N0 ..[#795548]..> M0
+M0 -[#000000]-> N6
+N0 ..[#000000]..> M1
+N1 -[#795548]-> M1
+M1 -[#AF56A6]-> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_67.txt b/test/plantuml/graph_hard/plantuml_67.txt
new file mode 100644
index 0000000000000000000000000000000000000000..09bc070abda119e9aef959ee42939d7ba8e75dde
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_67.txt
@@ -0,0 +1,33 @@
+<Air Quality Monitoring, connectedTo, Sound System Integration>
+<Air Quality Monitoring, partOf, Energy Consumption Optimization>
+<Firmware Update, connectedTo, Smart Mirror Functionality>
+<Firmware Update, connectedTo, Thermostat Adjustment>
+<Firmware Update, connectedTo, Video Surveillance>
+<Firmware Update, connectedTo, Window Sensor Monitoring>
+<Guest Access Management, connectedTo, Motion Detection>
+<Guest Access Management, connectedTo, Sound System Integration>
+<Guest Access Management, connectedTo, Video Surveillance>
+<Home Security System Activation, connectedTo, Voice Command>
+<Home Security System Activation, partOf, Door Lock Management>
+<Leak Detection, connectedTo, Window Sensor Monitoring>
+<Motion Detection, connectedTo, Firmware Update>
+<Power Outage Notification, connectedTo, Firmware Update>
+<Power Outage Notification, partOf, Door Lock Management>
+<Routine Scheduling, connectedTo, Air Quality Monitoring>
+<Routine Scheduling, partOf, Energy Consumption Optimization>
+<Smart Mirror Functionality, connectedTo, Routine Scheduling>
+<Smart Mirror Functionality, partOf, Energy Consumption Optimization>
+<Smart Plug Management, connectedTo, Motion Detection>
+<Smoke Alarm Integration, connectedTo, Power Outage Notification>
+<Smoke Alarm Integration, partOf, Door Lock Management>
+<Sound System Integration, connectedTo, Home Security System Activation>
+<Sound System Integration, connectedTo, Motion Detection>
+<Sound System Integration, connectedTo, Smart Plug Management>
+<Sound System Integration, connectedTo, Thermostat Adjustment>
+<Sound System Integration, connectedTo, Video Surveillance>
+<Thermostat Adjustment, connectedTo, Leak Detection>
+<Thermostat Adjustment, connectedTo, Video Surveillance>
+<Thermostat Adjustment, connectedTo, Window Sensor Monitoring>
+<Video Surveillance, connectedTo, Leak Detection>
+<Voice Command, connectedTo, Smoke Alarm Integration>
+<Voice Command, partOf, Door Lock Management>
diff --git a/test/plantuml/graph_hard/plantuml_68.puml b/test/plantuml/graph_hard/plantuml_68.puml
new file mode 100644
index 0000000000000000000000000000000000000000..c01eafcbf7b74e81dfa21239bf705cced73c3038
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_68.puml
@@ -0,0 +1,76 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Energy Monitoring" as Group0 #FBE9E7 {
+    database "Routine Scheduling" as nest0_0 #F1F8E9
+    folder "Firmware Update" as nest0_1 #FFE88D
+    node "Window Sensor Monitoring" as nest0_2 #F1F8E9
+    node "Thermostat Adjustment" as nest0_3 #DFE7EB
+}
+rectangle "Smart Appliance Control" as Group1 #FBE9E7 {
+    component "Motion Detection" as nest1_0 #F1F8E9
+    frame "Power Outage Notification" as nest1_1 #FFE88D
+    rectangle "Automated Vacuum Cleaning" as nest1_2 #FFE88D
+}
+artifact "Doorbell Camera Alert" as N0 #DFE7EB
+node "Sound System Integration" as N1 #F1F8E9
+usecase "Voice Command" as N2 #FFE88D
+database "Air Quality Monitoring" as N3 #FFE88D
+component "Door Lock Management" as N4 #DFE7EB
+database "Pet Feeder Automation" as N5 #F1F8E9
+node "Child Monitoring" as N6 #DFE7EB
+cloud "Remote Control" as N7 #DFE7EB
+database "Intercom System" as N8 #DFE7EB
+database "Water Heater Control" as N9 #F1F8E9
+artifact "Irrigation System Control" as N10 #FFE88D
+artifact "App Control" as N11 #DFE7EB
+component "Centralized Hub Configuration" as N12 #F1F8E9
+artifact "Smoke Alarm Integration" as N13 #FFE88D
+component "Device Pairing" as N14 #F1F8E9
+circle " " as S0 #DFE7EB
+circle " " as S1 #FFE88D
+circle " " as M0 #F1F8E9
+circle " " as M1 #FFE88D
+N0 -[#FFDA4E]-> N1
+N1 ..[#B0C5CD]..> N2
+N2 ..[#B0C5CD]..> N3
+N3 ..[#B0C5CD]..> N4
+N4 ..[#B0C5CD]..> N5 : designs
+N5 ..[#B0C5CD]..> N6
+N6 ..[#B0C5CD]..> N7
+N7 ..[#388E3C]..> N8
+N8 -[#000000]-> N9 : measures
+N9 ..[#000000]..> N10 : reports
+N10 ..[#388E3C]..> N11
+N11 -[#B0C5CD]-> N12
+N12 ..[#B0C5CD]..> N13
+N13 ..[#000000]..> N14
+nest0_0 ..[#388E3C]..> nest0_1 : lights
+nest0_1 ..[#388E3C]..> nest0_2
+nest0_2 -[#388E3C]-> nest0_3
+N7 -[#B0C5CD]-> nest0_0
+nest0_3 ..[#FFDA4E]..> N11
+nest1_0 -[#388E3C]-> nest1_1
+nest1_1 -[#388E3C]-> nest1_2
+N4 -[#388E3C]-> nest1_0
+nest1_2 ..[#FFDA4E]..> N7
+N10 -[#B0C5CD]-> S0
+S0 ..[#B0C5CD]..> N14
+S0 -[#FFDA4E]-> N13
+S0 -[#B0C5CD]-> N12
+N8 ..[#000000]..> S1
+S1 -[#388E3C]-> N13
+S1 ..[#B0C5CD]..> N11
+S1 ..[#388E3C]..> N14
+S1 -[#388E3C]-> N12 : learns
+N4 -[#B0C5CD]-> M0
+N2 ..[#B0C5CD]..> M0 : controls
+N0 -[#388E3C]-> M0
+M0 -[#388E3C]-> N7
+N5 ..[#FFDA4E]..> M1
+N3 ..[#388E3C]..> M1 : secures
+N11 -[#000000]-> M1
+N12 -[#388E3C]-> M1
+M1 ..[#388E3C]..> N14
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_68.txt b/test/plantuml/graph_hard/plantuml_68.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fb6dc903b5635a667cd64bfaecdb4a7be37d05a6
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_68.txt
@@ -0,0 +1,44 @@
+<Air Quality Monitoring, connectedTo, Door Lock Management>
+<Air Quality Monitoring, secures, Device Pairing>
+<App Control, connectedTo, Centralized Hub Configuration>
+<App Control, connectedTo, Device Pairing>
+<Automated Vacuum Cleaning, connectedTo, Remote Control>
+<Automated Vacuum Cleaning, partOf, Smart Appliance Control>
+<Centralized Hub Configuration, connectedTo, Device Pairing>
+<Centralized Hub Configuration, connectedTo, Smoke Alarm Integration>
+<Child Monitoring, connectedTo, Remote Control>
+<Door Lock Management, connectedTo, Motion Detection>
+<Door Lock Management, connectedTo, Remote Control>
+<Door Lock Management, designs, Pet Feeder Automation>
+<Doorbell Camera Alert, connectedTo, Remote Control>
+<Doorbell Camera Alert, connectedTo, Sound System Integration>
+<Firmware Update, connectedTo, Window Sensor Monitoring>
+<Firmware Update, partOf, Energy Monitoring>
+<Intercom System, connectedTo, App Control>
+<Intercom System, connectedTo, Device Pairing>
+<Intercom System, connectedTo, Smoke Alarm Integration>
+<Intercom System, learns, Centralized Hub Configuration>
+<Intercom System, measures, Water Heater Control>
+<Irrigation System Control, connectedTo, App Control>
+<Irrigation System Control, connectedTo, Centralized Hub Configuration>
+<Irrigation System Control, connectedTo, Device Pairing>
+<Irrigation System Control, connectedTo, Smoke Alarm Integration>
+<Motion Detection, connectedTo, Power Outage Notification>
+<Motion Detection, partOf, Smart Appliance Control>
+<Pet Feeder Automation, connectedTo, Child Monitoring>
+<Pet Feeder Automation, connectedTo, Device Pairing>
+<Power Outage Notification, connectedTo, Automated Vacuum Cleaning>
+<Power Outage Notification, partOf, Smart Appliance Control>
+<Remote Control, connectedTo, Intercom System>
+<Remote Control, connectedTo, Routine Scheduling>
+<Routine Scheduling, lights, Firmware Update>
+<Routine Scheduling, partOf, Energy Monitoring>
+<Smoke Alarm Integration, connectedTo, Device Pairing>
+<Sound System Integration, connectedTo, Voice Command>
+<Thermostat Adjustment, connectedTo, App Control>
+<Thermostat Adjustment, partOf, Energy Monitoring>
+<Voice Command, connectedTo, Air Quality Monitoring>
+<Voice Command, controls, Remote Control>
+<Water Heater Control, reports, Irrigation System Control>
+<Window Sensor Monitoring, connectedTo, Thermostat Adjustment>
+<Window Sensor Monitoring, partOf, Energy Monitoring>
diff --git a/test/plantuml/graph_hard/plantuml_69.puml b/test/plantuml/graph_hard/plantuml_69.puml
new file mode 100644
index 0000000000000000000000000000000000000000..beb266595aafce492b80a55e13124fb6ed4ae58e
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_69.puml
@@ -0,0 +1,86 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Voice Command" as Group0 #E8F5E9 {
+    component "Home Security System Activation" as nest0_0 #D6D9F0
+    database "Motion Detection" as nest0_1 #E8F0EA
+    usecase "Centralized Hub Configuration" as nest0_2 #F0F4C3
+    folder "Device Pairing" as nest0_3 #D6D9F0
+}
+rectangle "Firmware Update" as Group1 #ECEFF1 {
+    cloud "Pet Feeder Automation" as nest1_0 #F0F4C3
+    cloud "Power Outage Notification" as nest1_1 #F0F4C3
+    cloud "Geofencing Trigger" as nest1_2 #F0F4C3
+    frame "Thermostat Adjustment" as nest1_3 #F0F4C3
+}
+frame "Video Surveillance" as N0 #D6D9F0
+cloud "Smart Mirror Functionality" as N1 #F0F4C3
+component "Door Lock Management" as N2 #F0F4C3
+database "Air Quality Monitoring" as N3 #D6D9F0
+database "Garage Door Control" as N4 #F0F4C3
+component "Remote Control" as N5 #E8F0EA
+database "Leak Detection" as N6 #E8F0EA
+usecase "Energy Monitoring" as N7 #E8F0EA
+cloud "App Control" as N8 #F0F4C3
+database "Sound System Integration" as N9 #E8F0EA
+artifact "Irrigation System Control" as N10 #D6D9F0
+rectangle "Security Alert" as N11 #D6D9F0
+frame "Doorbell Camera Alert" as N12 #D6D9F0
+usecase "Water Heater Control" as N13 #F0F4C3
+node "Scene Creation" as N14 #F0F4C3
+folder "Smart Appliance Control" as N15 #D6D9F0
+artifact "Lighting Automation" as N16 #D6D9F0
+circle " " as S0 #D6D9F0
+circle " " as S1 #D6D9F0
+circle " " as S2 #F0F4C3
+circle " " as M0 #E8F0EA
+circle " " as M1 #F0F4C3
+N0 -[#9FA9E1]-> N1
+N1 ..[#AED581]..> N2
+N2 ..[#92C79A]..> N3
+N3 ..[#AED581]..> N4
+N4 -[#000000]-> N5
+N5 ..[#9FA9E1]..> N6
+N6 -[#AED581]-> N7
+N7 ..[#000000]..> N8
+N8 ..[#92C79A]..> N9
+N9 -[#9FA9E1]-> N10
+N10 -[#AED581]-> N11
+N11 -[#9FA9E1]-> N12
+N12 -[#000000]-> N13
+N13 ..[#AED581]..> N14
+N14 ..[#92C79A]..> N15
+N15 ..[#9FA9E1]..> N16
+nest0_0 ..[#92C79A]..> nest0_1
+nest0_1 ..[#000000]..> nest0_2
+nest0_2 ..[#AED581]..> nest0_3
+N4 -[#000000]-> nest0_0
+nest0_3 -[#9FA9E1]-> N3
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 -[#000000]-> nest1_2
+nest1_2 -[#AED581]-> nest1_3
+N2 -[#9FA9E1]-> nest1_0
+nest1_3 -[#000000]-> N3
+N0 -[#AED581]-> S0
+S0 -[#92C79A]-> N11
+S0 -[#AED581]-> N2
+N6 ..[#92C79A]..> S1
+S1 -[#000000]-> N14 : interacts
+S1 ..[#000000]..> N13
+S1 ..[#000000]..> N11
+S1 ..[#AED581]..> N12
+N8 ..[#000000]..> S2
+S2 -[#000000]-> N15
+S2 -[#AED581]-> N16
+N0 -[#9FA9E1]-> M0
+N1 -[#AED581]-> M0
+N6 -[#9FA9E1]-> M0
+N2 -[#AED581]-> M0
+M0 -[#AED581]-> N8
+N6 ..[#AED581]..> M1
+N10 -[#AED581]-> M1
+N4 -[#9FA9E1]-> M1
+N5 ..[#92C79A]..> M1
+M1 ..[#000000]..> N12
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_69.txt b/test/plantuml/graph_hard/plantuml_69.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0c0801bc5860b298b246fbe6122fe0eb47b43b0b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_69.txt
@@ -0,0 +1,49 @@
+<Air Quality Monitoring, connectedTo, Garage Door Control>
+<App Control, connectedTo, Lighting Automation>
+<App Control, connectedTo, Smart Appliance Control>
+<App Control, connectedTo, Sound System Integration>
+<Centralized Hub Configuration, connectedTo, Device Pairing>
+<Centralized Hub Configuration, partOf, Voice Command>
+<Device Pairing, connectedTo, Air Quality Monitoring>
+<Device Pairing, partOf, Voice Command>
+<Door Lock Management, connectedTo, Air Quality Monitoring>
+<Door Lock Management, connectedTo, App Control>
+<Door Lock Management, connectedTo, Pet Feeder Automation>
+<Doorbell Camera Alert, connectedTo, Water Heater Control>
+<Energy Monitoring, connectedTo, App Control>
+<Garage Door Control, connectedTo, Doorbell Camera Alert>
+<Garage Door Control, connectedTo, Home Security System Activation>
+<Garage Door Control, connectedTo, Remote Control>
+<Geofencing Trigger, connectedTo, Thermostat Adjustment>
+<Geofencing Trigger, partOf, Firmware Update>
+<Home Security System Activation, connectedTo, Motion Detection>
+<Home Security System Activation, partOf, Voice Command>
+<Irrigation System Control, connectedTo, Doorbell Camera Alert>
+<Irrigation System Control, connectedTo, Security Alert>
+<Leak Detection, connectedTo, App Control>
+<Leak Detection, connectedTo, Doorbell Camera Alert>
+<Leak Detection, connectedTo, Energy Monitoring>
+<Leak Detection, connectedTo, Security Alert>
+<Leak Detection, connectedTo, Water Heater Control>
+<Leak Detection, interacts, Scene Creation>
+<Motion Detection, connectedTo, Centralized Hub Configuration>
+<Motion Detection, partOf, Voice Command>
+<Pet Feeder Automation, connectedTo, Power Outage Notification>
+<Pet Feeder Automation, partOf, Firmware Update>
+<Power Outage Notification, connectedTo, Geofencing Trigger>
+<Power Outage Notification, partOf, Firmware Update>
+<Remote Control, connectedTo, Doorbell Camera Alert>
+<Remote Control, connectedTo, Leak Detection>
+<Scene Creation, connectedTo, Smart Appliance Control>
+<Security Alert, connectedTo, Doorbell Camera Alert>
+<Smart Appliance Control, connectedTo, Lighting Automation>
+<Smart Mirror Functionality, connectedTo, App Control>
+<Smart Mirror Functionality, connectedTo, Door Lock Management>
+<Sound System Integration, connectedTo, Irrigation System Control>
+<Thermostat Adjustment, connectedTo, Air Quality Monitoring>
+<Thermostat Adjustment, partOf, Firmware Update>
+<Video Surveillance, connectedTo, App Control>
+<Video Surveillance, connectedTo, Door Lock Management>
+<Video Surveillance, connectedTo, Security Alert>
+<Video Surveillance, connectedTo, Smart Mirror Functionality>
+<Water Heater Control, connectedTo, Scene Creation>
diff --git a/test/plantuml/graph_hard/plantuml_7.puml b/test/plantuml/graph_hard/plantuml_7.puml
new file mode 100644
index 0000000000000000000000000000000000000000..4d6381396427228fef6693c5bcca51796519f71c
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_7.puml
@@ -0,0 +1,73 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Tool Path Generation" as Group0 #ECEFF1 {
+    database "Ergonomics Assessment" as nest0_0 #D1C4E9
+    node "Component Sourcing" as nest0_1 #D1C4E9
+    node "Final Testing" as nest0_2 #D1C4E9
+}
+rectangle "Production Scheduling" as Group1 #EDE7F6 {
+    rectangle "Recycling Process" as nest1_0 #FFF0CC
+    folder "Environmental Compliance" as nest1_1 #D1C4E9
+}
+cloud "Assembly" as N0 #D1C4E9
+artifact "Automated Assembly" as N1 #D1C4E9
+cloud "Yield Optimization" as N2 #FFF0CC
+artifact "Robotics Integration" as N3 #D1C4E9
+folder "Safety Audit" as N4 #D1C4E9
+artifact "Procurement" as N5 #D1C4E9
+component "Shipping" as N6 #FFF0CC
+folder "Quality Control" as N7 #D1C4E9
+folder "Tool Setup" as N8 #D1C4E9
+usecase "Product Design" as N9 #D1C4E9
+database "Batch Tracking" as N10 #FFF0CC
+cloud "Defect Analysis" as N11 #D1C4E9
+cloud "Bills of Material Generation" as N12 #D1C4E9
+usecase "Inventory Check" as N13 #D1C4E9
+database "Machine Calibration" as N14 #D1C4E9
+component "Design Review" as N15 #D1C4E9
+cloud "Automated Guided Vehicle Operation" as N16 #D1C4E9
+artifact "Parts Replacement" as N17 #D1C4E9
+component "Packaging" as N18 #FFF0CC
+circle " " as S0 #D1C4E9
+circle " " as M0 #D1C4E9
+circle " " as M1 #D1C4E9
+N0 -[#7E57C2]-> N1 : inspects
+N1 -[#000000]-> N2
+N2 -[#FFCC80]-> N3
+N3 ..[#FFCC80]..> N4
+N4 -[#FFCC80]-> N5
+N5 ..[#7E57C2]..> N6
+N6 -[#7E57C2]-> N7 : tests
+N7 ..[#673AB7]..> N8
+N8 ..[#7E57C2]..> N9 : orders
+N9 ..[#7E57C2]..> N10
+N10 -[#673AB7]-> N11
+N11 ..[#673AB7]..> N12
+N12 -[#FFCC80]-> N13
+N13 -[#673AB7]-> N14
+N14 -[#673AB7]-> N15
+N15 ..[#673AB7]..> N16
+N16 -[#673AB7]-> N17 : monitors
+N17 -[#673AB7]-> N18
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 -[#7E57C2]-> nest0_2
+N5 ..[#673AB7]..> nest0_0
+nest0_2 -[#673AB7]-> N2
+nest1_0 ..[#7E57C2]..> nest1_1
+N2 -[#673AB7]-> nest1_0
+nest1_1 -[#7E57C2]-> N18
+N4 ..[#7E57C2]..> S0
+S0 ..[#000000]..> N6
+S0 -[#673AB7]-> N7 : maintains
+N9 ..[#673AB7]..> M0
+N4 -[#673AB7]-> M0
+N8 -[#000000]-> M0
+M0 ..[#000000]..> N12
+N3 ..[#FFCC80]..> M1
+N8 ..[#673AB7]..> M1 : secures
+N2 -[#000000]-> M1
+M1 -[#7E57C2]-> N14
+N1 -[#7E57C2]-> N0
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_7.txt b/test/plantuml/graph_hard/plantuml_7.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bdbec37a230325819caa622d2a0ff302eddfc4b9
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_7.txt
@@ -0,0 +1,39 @@
+<Assembly, inspects, Automated Assembly>
+<Automated Assembly, connectedTo, Assembly>
+<Automated Assembly, connectedTo, Yield Optimization>
+<Automated Guided Vehicle Operation, monitors, Parts Replacement>
+<Batch Tracking, connectedTo, Defect Analysis>
+<Bills of Material Generation, connectedTo, Inventory Check>
+<Component Sourcing, connectedTo, Final Testing>
+<Component Sourcing, partOf, Tool Path Generation>
+<Defect Analysis, connectedTo, Bills of Material Generation>
+<Design Review, connectedTo, Automated Guided Vehicle Operation>
+<Environmental Compliance, connectedTo, Packaging>
+<Environmental Compliance, partOf, Production Scheduling>
+<Ergonomics Assessment, connectedTo, Component Sourcing>
+<Ergonomics Assessment, partOf, Tool Path Generation>
+<Final Testing, connectedTo, Yield Optimization>
+<Final Testing, partOf, Tool Path Generation>
+<Inventory Check, connectedTo, Machine Calibration>
+<Machine Calibration, connectedTo, Design Review>
+<Parts Replacement, connectedTo, Packaging>
+<Procurement, connectedTo, Ergonomics Assessment>
+<Procurement, connectedTo, Shipping>
+<Product Design, connectedTo, Batch Tracking>
+<Product Design, connectedTo, Bills of Material Generation>
+<Quality Control, connectedTo, Tool Setup>
+<Recycling Process, connectedTo, Environmental Compliance>
+<Recycling Process, partOf, Production Scheduling>
+<Robotics Integration, connectedTo, Machine Calibration>
+<Robotics Integration, connectedTo, Safety Audit>
+<Safety Audit, connectedTo, Bills of Material Generation>
+<Safety Audit, connectedTo, Procurement>
+<Safety Audit, connectedTo, Shipping>
+<Safety Audit, maintains, Quality Control>
+<Shipping, tests, Quality Control>
+<Tool Setup, connectedTo, Bills of Material Generation>
+<Tool Setup, orders, Product Design>
+<Tool Setup, secures, Machine Calibration>
+<Yield Optimization, connectedTo, Machine Calibration>
+<Yield Optimization, connectedTo, Recycling Process>
+<Yield Optimization, connectedTo, Robotics Integration>
diff --git a/test/plantuml/graph_hard/plantuml_70.puml b/test/plantuml/graph_hard/plantuml_70.puml
new file mode 100644
index 0000000000000000000000000000000000000000..878525b807b52039f7c42270b197baf5c61ad13b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_70.puml
@@ -0,0 +1,80 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Smart Traffic Lights" as Group0 #FCE4EC {
+    node "Citizen Feedback Loop" as nest0_0 #FFFAE0
+    rectangle "City_wide Sensor Network Deployment" as nest0_1 #FFFDE7
+    cloud "Water Management System" as nest0_2 #FFFDE7
+    frame "Public Transport Tracking" as nest0_3 #CFD8DC
+}
+rectangle "Waste Recycling Program" as Group1 #E8F5E9 {
+    artifact "Cybersecurity for Infrastructure" as nest1_0 #CFD8DC
+    database "Emergency Response System" as nest1_1 #FFFAE0
+}
+rectangle "Digital Kiosk Information" as N0 #CFD8DC
+rectangle "Noise Pollution Monitoring" as N1 #FFFAE0
+database "Sustainable Resource Management" as N2 #FFFAE0
+database "Digital Twins of City" as N3 #CFD8DC
+usecase "Intelligent Public Safety Cameras" as N4 #FFFAE0
+component "Public Health Monitoring" as N5 #FFFDE7
+component "Urban Planning Data Analysis" as N6 #FFFAE0
+artifact "Smart Education Initiatives" as N7 #FFFDE7
+node "Public Safety Monitoring" as N8 #CFD8DC
+database "Smart Parking" as N9 #CFD8DC
+artifact "Smart Lighting" as N10 #CFD8DC
+folder "Traffic Flow Optimization" as N11 #FFFAE0
+node "Energy Grid Management" as N12 #CFD8DC
+cloud "Citizen Engagement Platform" as N13 #FFFDE7
+component "Data Privacy Protection" as N14 #CFD8DC
+frame "Air Quality Index Reporting" as N15 #CFD8DC
+folder "Urban Mobility Solutions" as N16 #FFFDE7
+rectangle "Disaster Resilience Planning" as N17 #CFD8DC
+artifact "Smart Street Furniture" as N18 #CFD8DC
+frame "Infrastructure Maintenance Alert" as N19 #CFD8DC
+circle " " as S0 #FFFDE7
+circle " " as S1 #CFD8DC
+circle " " as M0 #FFFAE0
+circle " " as M1 #FFFAE0
+N0 -[#FFE470]-> N1
+N1 ..[#FFE470]..> N2
+N2 ..[#FFE470]..> N3
+N3 -[#000000]-> N4
+N4 -[#FFE470]-> N5
+N5 ..[#000000]..> N6
+N6 ..[#607D8B]..> N7
+N7 -[#000000]-> N8
+N8 ..[#000000]..> N9
+N9 ..[#FBC02D]..> N10
+N10 ..[#FFE470]..> N11
+N11 ..[#000000]..> N12
+N12 ..[#000000]..> N13
+N13 -[#607D8B]-> N14
+N14 -[#FBC02D]-> N15
+N15 ..[#FFE470]..> N16
+N16 ..[#FBC02D]..> N17
+N17 ..[#607D8B]..> N18
+N18 ..[#FFE470]..> N19
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 ..[#000000]..> nest0_2
+nest0_2 -[#FBC02D]-> nest0_3 : secures
+N2 -[#607D8B]-> nest0_0
+nest0_3 ..[#FFE470]..> N14
+nest1_0 -[#FFE470]-> nest1_1
+N16 ..[#FBC02D]..> nest1_0
+nest1_1 -[#FFE470]-> N8
+N15 ..[#607D8B]..> S0
+S0 ..[#607D8B]..> N17
+S0 ..[#FFE470]..> N19
+S0 ..[#000000]..> N18 : develops
+N5 -[#FFE470]-> S1
+S1 ..[#607D8B]..> N16
+S1 ..[#FBC02D]..> N13
+N11 ..[#FBC02D]..> M0
+N15 ..[#FBC02D]..> M0
+N14 -[#000000]-> M0
+M0 ..[#FFE470]..> N19
+N3 ..[#000000]..> M1
+N2 ..[#000000]..> M1 : innovates
+M1 -[#FBC02D]-> N17
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_70.txt b/test/plantuml/graph_hard/plantuml_70.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f27471ea3bad705d5347630f456f7c391cf9e328
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_70.txt
@@ -0,0 +1,42 @@
+<Air Quality Index Reporting, connectedTo, Disaster Resilience Planning>
+<Air Quality Index Reporting, connectedTo, Infrastructure Maintenance Alert>
+<Air Quality Index Reporting, connectedTo, Urban Mobility Solutions>
+<Air Quality Index Reporting, develops, Smart Street Furniture>
+<Citizen Engagement Platform, connectedTo, Data Privacy Protection>
+<Citizen Feedback Loop, connectedTo, City_wide Sensor Network Deployment>
+<Citizen Feedback Loop, partOf, Smart Traffic Lights>
+<City_wide Sensor Network Deployment, connectedTo, Water Management System>
+<City_wide Sensor Network Deployment, partOf, Smart Traffic Lights>
+<Cybersecurity for Infrastructure, connectedTo, Emergency Response System>
+<Cybersecurity for Infrastructure, partOf, Waste Recycling Program>
+<Data Privacy Protection, connectedTo, Air Quality Index Reporting>
+<Data Privacy Protection, connectedTo, Infrastructure Maintenance Alert>
+<Digital Kiosk Information, connectedTo, Noise Pollution Monitoring>
+<Digital Twins of City, connectedTo, Disaster Resilience Planning>
+<Digital Twins of City, connectedTo, Intelligent Public Safety Cameras>
+<Disaster Resilience Planning, connectedTo, Smart Street Furniture>
+<Emergency Response System, connectedTo, Public Safety Monitoring>
+<Emergency Response System, partOf, Waste Recycling Program>
+<Energy Grid Management, connectedTo, Citizen Engagement Platform>
+<Intelligent Public Safety Cameras, connectedTo, Public Health Monitoring>
+<Noise Pollution Monitoring, connectedTo, Sustainable Resource Management>
+<Public Health Monitoring, connectedTo, Citizen Engagement Platform>
+<Public Health Monitoring, connectedTo, Urban Mobility Solutions>
+<Public Health Monitoring, connectedTo, Urban Planning Data Analysis>
+<Public Safety Monitoring, connectedTo, Smart Parking>
+<Public Transport Tracking, connectedTo, Data Privacy Protection>
+<Public Transport Tracking, partOf, Smart Traffic Lights>
+<Smart Education Initiatives, connectedTo, Public Safety Monitoring>
+<Smart Lighting, connectedTo, Traffic Flow Optimization>
+<Smart Parking, connectedTo, Smart Lighting>
+<Smart Street Furniture, connectedTo, Infrastructure Maintenance Alert>
+<Sustainable Resource Management, connectedTo, Citizen Feedback Loop>
+<Sustainable Resource Management, connectedTo, Digital Twins of City>
+<Sustainable Resource Management, innovates, Disaster Resilience Planning>
+<Traffic Flow Optimization, connectedTo, Energy Grid Management>
+<Traffic Flow Optimization, connectedTo, Infrastructure Maintenance Alert>
+<Urban Mobility Solutions, connectedTo, Cybersecurity for Infrastructure>
+<Urban Mobility Solutions, connectedTo, Disaster Resilience Planning>
+<Urban Planning Data Analysis, connectedTo, Smart Education Initiatives>
+<Water Management System, partOf, Smart Traffic Lights>
+<Water Management System, secures, Public Transport Tracking>
diff --git a/test/plantuml/graph_hard/plantuml_71.puml b/test/plantuml/graph_hard/plantuml_71.puml
new file mode 100644
index 0000000000000000000000000000000000000000..de856dc19645dd912773288de39408a2555129d3
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_71.puml
@@ -0,0 +1,72 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Citizen Engagement Platform" as Group0 #F3E5F5 {
+    artifact "Environmental Sensor Network" as nest0_0 #EBEBEB
+    component "Air Quality Index Reporting" as nest0_1 #DED7F0
+}
+rectangle "Green Space Management" as Group1 #F3E5F5 {
+    node "Energy Grid Management" as nest1_0 #B2EBF2
+    folder "Disaster Resilience Planning" as nest1_1 #EBEBEB
+    component "Smart Traffic Lights" as nest1_2 #B2EBF2
+    frame "Data Privacy Protection" as nest1_3 #B2EBF2
+}
+folder "Urban Planning Data Analysis" as N0 #DED7F0
+folder "Digital Kiosk Information" as N1 #DED7F0
+artifact "Urban Agriculture Support" as N2 #EBEBEB
+artifact "Smart Lighting" as N3 #B2EBF2
+artifact "Urban Mobility Solutions" as N4 #B2EBF2
+node "City_wide Sensor Network Deployment" as N5 #DED7F0
+usecase "Predictive Maintenance for Utilities" as N6 #EBEBEB
+database "Traffic Flow Optimization" as N7 #B2EBF2
+database "E_governance Services" as N8 #DED7F0
+usecase "Water Management System" as N9 #B2EBF2
+database "Digital Twins of City" as N10 #EBEBEB
+node "Smart Parking" as N11 #EBEBEB
+database "Intelligent Public Safety Cameras" as N12 #DED7F0
+rectangle "Public Safety Monitoring" as N13 #B2EBF2
+circle " " as S0 #EBEBEB
+circle " " as S1 #DED7F0
+circle " " as M0 #EBEBEB
+circle " " as M1 #B2EBF2
+circle " " as M2 #DED7F0
+N0 ..[#000000]..> N1
+N1 -[#00BCD4]-> N2
+N2 -[#A188DB]-> N3
+N3 ..[#A188DB]..> N4
+N4 ..[#A188DB]..> N5
+N5 -[#E0E0E0]-> N6
+N6 -[#00BCD4]-> N7
+N7 ..[#A188DB]..> N8
+N8 -[#00BCD4]-> N9
+N9 -[#E0E0E0]-> N10
+N10 -[#00BCD4]-> N11
+N11 -[#A188DB]-> N12
+N12 ..[#000000]..> N13
+nest0_0 -[#A188DB]-> nest0_1
+N1 -[#000000]-> nest0_0
+nest0_1 ..[#000000]..> N13
+nest1_0 -[#A188DB]-> nest1_1
+nest1_1 ..[#A188DB]..> nest1_2
+nest1_2 ..[#E0E0E0]..> nest1_3
+N8 ..[#A188DB]..> nest1_0 : regulates
+nest1_3 ..[#000000]..> N10
+N8 ..[#A188DB]..> S0
+S0 -[#A188DB]-> N12
+S0 ..[#A188DB]..> N10
+N0 ..[#000000]..> S1
+S1 -[#E0E0E0]-> N7
+S1 -[#E0E0E0]-> N5
+S1 ..[#000000]..> N6
+N4 ..[#E0E0E0]..> M0
+N1 -[#E0E0E0]-> M0
+N2 -[#00BCD4]-> M0
+M0 -[#000000]-> N6
+N7 -[#00BCD4]-> M1 : predicts
+N1 -[#000000]-> M1 : deploys
+M1 -[#A188DB]-> N13
+N2 -[#E0E0E0]-> M2
+N0 -[#E0E0E0]-> M2
+M2 ..[#000000]..> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_71.txt b/test/plantuml/graph_hard/plantuml_71.txt
new file mode 100644
index 0000000000000000000000000000000000000000..60bc5c236d043e51da729808f16092a6bcd8ca82
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_71.txt
@@ -0,0 +1,39 @@
+<Air Quality Index Reporting, connectedTo, Public Safety Monitoring>
+<Air Quality Index Reporting, partOf, Citizen Engagement Platform>
+<City_wide Sensor Network Deployment, connectedTo, Predictive Maintenance for Utilities>
+<Data Privacy Protection, connectedTo, Digital Twins of City>
+<Data Privacy Protection, partOf, Green Space Management>
+<Digital Kiosk Information, connectedTo, Environmental Sensor Network>
+<Digital Kiosk Information, connectedTo, Predictive Maintenance for Utilities>
+<Digital Kiosk Information, connectedTo, Urban Agriculture Support>
+<Digital Kiosk Information, deploys, Public Safety Monitoring>
+<Digital Twins of City, connectedTo, Smart Parking>
+<Disaster Resilience Planning, connectedTo, Smart Traffic Lights>
+<Disaster Resilience Planning, partOf, Green Space Management>
+<E_governance Services, connectedTo, Digital Twins of City>
+<E_governance Services, connectedTo, Intelligent Public Safety Cameras>
+<E_governance Services, connectedTo, Water Management System>
+<E_governance Services, regulates, Energy Grid Management>
+<Energy Grid Management, connectedTo, Disaster Resilience Planning>
+<Energy Grid Management, partOf, Green Space Management>
+<Environmental Sensor Network, connectedTo, Air Quality Index Reporting>
+<Environmental Sensor Network, partOf, Citizen Engagement Platform>
+<Intelligent Public Safety Cameras, connectedTo, Public Safety Monitoring>
+<Predictive Maintenance for Utilities, connectedTo, Traffic Flow Optimization>
+<Smart Lighting, connectedTo, Urban Mobility Solutions>
+<Smart Parking, connectedTo, Intelligent Public Safety Cameras>
+<Smart Traffic Lights, connectedTo, Data Privacy Protection>
+<Smart Traffic Lights, partOf, Green Space Management>
+<Traffic Flow Optimization, connectedTo, E_governance Services>
+<Traffic Flow Optimization, predicts, Public Safety Monitoring>
+<Urban Agriculture Support, connectedTo, Digital Twins of City>
+<Urban Agriculture Support, connectedTo, Predictive Maintenance for Utilities>
+<Urban Agriculture Support, connectedTo, Smart Lighting>
+<Urban Mobility Solutions, connectedTo, City_wide Sensor Network Deployment>
+<Urban Mobility Solutions, connectedTo, Predictive Maintenance for Utilities>
+<Urban Planning Data Analysis, connectedTo, City_wide Sensor Network Deployment>
+<Urban Planning Data Analysis, connectedTo, Digital Kiosk Information>
+<Urban Planning Data Analysis, connectedTo, Digital Twins of City>
+<Urban Planning Data Analysis, connectedTo, Predictive Maintenance for Utilities>
+<Urban Planning Data Analysis, connectedTo, Traffic Flow Optimization>
+<Water Management System, connectedTo, Digital Twins of City>
diff --git a/test/plantuml/graph_hard/plantuml_72.puml b/test/plantuml/graph_hard/plantuml_72.puml
new file mode 100644
index 0000000000000000000000000000000000000000..bbd11132f7332e14879835182ab0f70ece31277d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_72.puml
@@ -0,0 +1,60 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Digital Twins of City" as Group0 #EDE7F6 {
+    cloud "Predictive Maintenance for Utilities" as nest0_0 #FFFCE6
+    artifact "Waste Recycling Program" as nest0_1 #FFFCE6
+    database "E_governance Services" as nest0_2 #CADEDE
+}
+rectangle "Citizen Engagement Platform" as Group1 #FCE4EC {
+    cloud "Smart Grid Security" as nest1_0 #FFFCE6
+    folder "Urban Planning Data Analysis" as nest1_1 #CADEDE
+    folder "Urban Mobility Solutions" as nest1_2 #FAEBF3
+    artifact "Infrastructure Maintenance Alert" as nest1_3 #FFFCE6
+}
+node "Urban Agriculture Support" as N0 #FAEBF3
+rectangle "Sustainable Resource Management" as N1 #CADEDE
+database "Waste Management Optimization" as N2 #CADEDE
+component "Data Privacy Protection" as N3 #CADEDE
+cloud "Smart Water Meters" as N4 #CADEDE
+artifact "Digital Kiosk Information" as N5 #FAEBF3
+component "Smart Parking" as N6 #FFFCE6
+usecase "Smart Lighting" as N7 #CADEDE
+frame "Citizen Feedback Loop" as N8 #FAEBF3
+cloud "Air Quality Index Reporting" as N9 #FFFCE6
+database "Smart Traffic Lights" as N10 #FAEBF3
+circle " " as S0 #FFFCE6
+circle " " as S1 #FFFCE6
+circle " " as M1 #FFFCE6
+N0 -[#000000]-> N1
+N1 ..[#FFF9AE]..> N2
+N2 ..[#FFF9AE]..> N3 : tracks
+N3 ..[#000000]..> N4
+N4 ..[#000000]..> N5
+N5 -[#FFF9AE]-> N6
+N6 ..[#000000]..> N7
+N7 ..[#FFF9AE]..> N8
+N8 -[#F7BEE0]-> N9
+N9 -[#94C0C0]-> N10
+nest0_0 ..[#000000]..> nest0_1 : integrates
+nest0_1 ..[#F7BEE0]..> nest0_2
+N7 ..[#F7BEE0]..> nest0_0 : protects
+nest0_2 -[#000000]-> N5
+nest1_0 ..[#94C0C0]..> nest1_1
+nest1_1 -[#F7BEE0]-> nest1_2
+nest1_2 ..[#F7BEE0]..> nest1_3
+N8 ..[#F7BEE0]..> nest1_0
+nest1_3 -[#FFF9AE]-> N2
+N3 ..[#000000]..> S0
+S0 ..[#F7BEE0]..> N6
+S0 -[#F7BEE0]-> N7
+S0 -[#F7BEE0]-> N5
+N6 -[#FFF9AE]-> S1
+S1 ..[#94C0C0]..> N9 : resources
+S1 -[#94C0C0]-> N8
+S1 ..[#F7BEE0]..> N10
+N0 ..[#FFF9AE]..> M1
+N1 ..[#000000]..> M1
+M1 -[#FFF9AE]-> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_72.txt b/test/plantuml/graph_hard/plantuml_72.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8ac7a608f6a811e24f3e59f061be5263ee023cb2
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_72.txt
@@ -0,0 +1,34 @@
+<Air Quality Index Reporting, connectedTo, Smart Traffic Lights>
+<Citizen Feedback Loop, connectedTo, Air Quality Index Reporting>
+<Citizen Feedback Loop, connectedTo, Smart Grid Security>
+<Data Privacy Protection, connectedTo, Digital Kiosk Information>
+<Data Privacy Protection, connectedTo, Smart Lighting>
+<Data Privacy Protection, connectedTo, Smart Parking>
+<Data Privacy Protection, connectedTo, Smart Water Meters>
+<Digital Kiosk Information, connectedTo, Smart Parking>
+<E_governance Services, connectedTo, Digital Kiosk Information>
+<E_governance Services, partOf, Digital Twins of City>
+<Infrastructure Maintenance Alert, connectedTo, Waste Management Optimization>
+<Infrastructure Maintenance Alert, partOf, Citizen Engagement Platform>
+<Predictive Maintenance for Utilities, integrates, Waste Recycling Program>
+<Predictive Maintenance for Utilities, partOf, Digital Twins of City>
+<Smart Grid Security, connectedTo, Urban Planning Data Analysis>
+<Smart Grid Security, partOf, Citizen Engagement Platform>
+<Smart Lighting, connectedTo, Citizen Feedback Loop>
+<Smart Lighting, protects, Predictive Maintenance for Utilities>
+<Smart Parking, connectedTo, Citizen Feedback Loop>
+<Smart Parking, connectedTo, Smart Lighting>
+<Smart Parking, connectedTo, Smart Traffic Lights>
+<Smart Parking, resources, Air Quality Index Reporting>
+<Smart Water Meters, connectedTo, Digital Kiosk Information>
+<Sustainable Resource Management, connectedTo, Data Privacy Protection>
+<Sustainable Resource Management, connectedTo, Waste Management Optimization>
+<Urban Agriculture Support, connectedTo, Data Privacy Protection>
+<Urban Agriculture Support, connectedTo, Sustainable Resource Management>
+<Urban Mobility Solutions, connectedTo, Infrastructure Maintenance Alert>
+<Urban Mobility Solutions, partOf, Citizen Engagement Platform>
+<Urban Planning Data Analysis, connectedTo, Urban Mobility Solutions>
+<Urban Planning Data Analysis, partOf, Citizen Engagement Platform>
+<Waste Management Optimization, tracks, Data Privacy Protection>
+<Waste Recycling Program, connectedTo, E_governance Services>
+<Waste Recycling Program, partOf, Digital Twins of City>
diff --git a/test/plantuml/graph_hard/plantuml_73.puml b/test/plantuml/graph_hard/plantuml_73.puml
new file mode 100644
index 0000000000000000000000000000000000000000..ce7da3880efaed7ee4ebd3b2ee5ef4f7f90480fd
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_73.puml
@@ -0,0 +1,75 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Quality Control" as Group0 #E0F2F1 {
+    database "Vaccine Development" as nest0_0 #F5F5DC
+    folder "Nanobiotechnology Application" as nest0_1 #F5F5DC
+}
+rectangle "Synthetic Biology Design" as Group1 #EDE7F6 {
+    rectangle "Stem Cell Research" as nest1_0 #F5F5DC
+    folder "Assay Development" as nest1_1 #CADEDE
+    component "CRISPR Technology Application" as nest1_2 #FFFDE0
+}
+artifact "Diagnostic Test Development" as N0 #FFFDE0
+cloud "Target Identification" as N1 #CADEDE
+folder "Environmental Bioremediation" as N2 #CADEDE
+cloud "Biomarker Discovery" as N3 #F5F5DC
+cloud "Cell Culture" as N4 #F5F5DC
+artifact "Intellectual Property Protection" as N5 #FFFDE0
+artifact "Data Management and Analysis" as N6 #FFFDE0
+folder "Structural Biology" as N7 #CADEDE
+database "Genomic Editing" as N8 #F5F5DC
+folder "Protein Engineering" as N9 #CADEDE
+cloud "Ethical Review Board Approval" as N10 #CADEDE
+cloud "Bioreactor Operation" as N11 #F5F5DC
+component "Preclinical Testing" as N12 #CADEDE
+cloud "Bioinformatics Analysis" as N13 #F5F5DC
+cloud "Biosensor Development" as N14 #CADEDE
+folder "Drug Repurposing" as N15 #FFFDE0
+folder "Drug Discovery" as N16 #F5F5DC
+usecase "Monoclonal Antibody Production" as N17 #F5F5DC
+folder "Computational Biology Modeling" as N18 #FFFDE0
+circle " " as S0 #F5F5DC
+circle " " as M0 #CADEDE
+circle " " as M1 #F5F5DC
+circle " " as M2 #F5F5DC
+N0 -[#BCB88A]-> N1
+N1 -[#BCB88A]-> N2
+N2 -[#FFF8A6]-> N3
+N3 -[#000000]-> N4
+N4 ..[#94C0C0]..> N5
+N5 -[#000000]-> N6
+N6 ..[#FFF8A6]..> N7
+N7 ..[#94C0C0]..> N8
+N8 -[#000000]-> N9
+N9 ..[#BCB88A]..> N10
+N10 -[#94C0C0]-> N11 : models
+N11 -[#BCB88A]-> N12
+N12 -[#94C0C0]-> N13
+N13 -[#94C0C0]-> N14
+N14 -[#000000]-> N15 : engineers
+N15 ..[#94C0C0]..> N16
+N16 ..[#000000]..> N17
+N17 ..[#BCB88A]..> N18
+nest0_0 ..[#BCB88A]..> nest0_1 : innovates
+N8 ..[#FFF8A6]..> nest0_0
+nest0_1 ..[#000000]..> N12
+nest1_0 ..[#000000]..> nest1_1 : designs
+nest1_1 ..[#BCB88A]..> nest1_2
+N14 ..[#94C0C0]..> nest1_0
+nest1_2 ..[#BCB88A]..> N17
+N15 -[#000000]-> S0
+S0 ..[#BCB88A]..> N18
+S0 ..[#FFF8A6]..> N17
+N9 ..[#000000]..> M0
+N6 ..[#94C0C0]..> M0
+M0 -[#BCB88A]-> N13
+N1 -[#FFF8A6]-> M1
+N0 ..[#FFF8A6]..> M1
+M1 -[#BCB88A]-> N3
+N3 -[#FFF8A6]-> M2
+N2 ..[#000000]..> M2
+N12 -[#94C0C0]-> M2
+M2 -[#BCB88A]-> N14
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_73.txt b/test/plantuml/graph_hard/plantuml_73.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1299dfe1a5f5e08019e2acf0942af4dc09de05b2
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_73.txt
@@ -0,0 +1,39 @@
+<Assay Development, connectedTo, CRISPR Technology Application>
+<Assay Development, partOf, Synthetic Biology Design>
+<Bioinformatics Analysis, connectedTo, Biosensor Development>
+<Biomarker Discovery, connectedTo, Biosensor Development>
+<Biomarker Discovery, connectedTo, Cell Culture>
+<Bioreactor Operation, connectedTo, Preclinical Testing>
+<Biosensor Development, connectedTo, Stem Cell Research>
+<Biosensor Development, engineers, Drug Repurposing>
+<CRISPR Technology Application, connectedTo, Monoclonal Antibody Production>
+<CRISPR Technology Application, partOf, Synthetic Biology Design>
+<Cell Culture, connectedTo, Intellectual Property Protection>
+<Data Management and Analysis, connectedTo, Bioinformatics Analysis>
+<Data Management and Analysis, connectedTo, Structural Biology>
+<Diagnostic Test Development, connectedTo, Biomarker Discovery>
+<Diagnostic Test Development, connectedTo, Target Identification>
+<Drug Discovery, connectedTo, Monoclonal Antibody Production>
+<Drug Repurposing, connectedTo, Computational Biology Modeling>
+<Drug Repurposing, connectedTo, Drug Discovery>
+<Drug Repurposing, connectedTo, Monoclonal Antibody Production>
+<Environmental Bioremediation, connectedTo, Biomarker Discovery>
+<Environmental Bioremediation, connectedTo, Biosensor Development>
+<Ethical Review Board Approval, models, Bioreactor Operation>
+<Genomic Editing, connectedTo, Protein Engineering>
+<Genomic Editing, connectedTo, Vaccine Development>
+<Intellectual Property Protection, connectedTo, Data Management and Analysis>
+<Monoclonal Antibody Production, connectedTo, Computational Biology Modeling>
+<Nanobiotechnology Application, connectedTo, Preclinical Testing>
+<Nanobiotechnology Application, partOf, Quality Control>
+<Preclinical Testing, connectedTo, Bioinformatics Analysis>
+<Preclinical Testing, connectedTo, Biosensor Development>
+<Protein Engineering, connectedTo, Bioinformatics Analysis>
+<Protein Engineering, connectedTo, Ethical Review Board Approval>
+<Stem Cell Research, designs, Assay Development>
+<Stem Cell Research, partOf, Synthetic Biology Design>
+<Structural Biology, connectedTo, Genomic Editing>
+<Target Identification, connectedTo, Biomarker Discovery>
+<Target Identification, connectedTo, Environmental Bioremediation>
+<Vaccine Development, innovates, Nanobiotechnology Application>
+<Vaccine Development, partOf, Quality Control>
diff --git a/test/plantuml/graph_hard/plantuml_74.puml b/test/plantuml/graph_hard/plantuml_74.puml
new file mode 100644
index 0000000000000000000000000000000000000000..235b7a689cb114a3077ba4db2d48d3dc315fa6c8
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_74.puml
@@ -0,0 +1,66 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Bioinformatics Analysis" as Group0 #EDE7F6 {
+    folder "Computational Biology Modeling" as nest0_0 #D1C4E9
+    usecase "Lab Automation" as nest0_1 #E0F2F1
+    frame "Bioprocess Optimization" as nest0_2 #E0F2F1
+}
+rectangle "Microbial Fermentation" as Group1 #E0F2F1 {
+    cloud "Clinical Data Interpretation" as nest1_0 #E0F2F1
+    component "Vaccine Development" as nest1_1 #E0F2F1
+}
+component "Protein Engineering" as N0 #D1C4E9
+usecase "Monoclonal Antibody Production" as N1 #E0F2F1
+artifact "CRISPR Technology Application" as N2 #FFFDE7
+frame "Biomanufacturing Scale_up" as N3 #D1C4E9
+rectangle "Environmental Bioremediation" as N4 #E0F2F1
+node "Biosensor Development" as N5 #FFFDE7
+cloud "Personalized Medicine Formulation" as N6 #D1C4E9
+folder "Assay Development" as N7 #FFFDE7
+folder "Clinical Trial Design" as N8 #E0F2F1
+usecase "Cell Culture" as N9 #D1C4E9
+node "Bioreactor Operation" as N10 #FFFDE7
+cloud "Tissue Engineering" as N11 #FFFDE7
+usecase "Bioimaging" as N12 #FFFDE7
+node "Preclinical Testing" as N13 #E0F2F1
+frame "Genomic Editing" as N14 #E0F2F1
+circle " " as S0 #E0F2F1
+circle " " as S1 #FFFDE7
+circle " " as M0 #FFFDE7
+N0 ..[#4DB6AC]..> N1
+N1 -[#4DB6AC]-> N2
+N2 -[#000000]-> N3
+N3 -[#4DB6AC]-> N4
+N4 ..[#673AB7]..> N5
+N5 ..[#4DB6AC]..> N6
+N6 ..[#673AB7]..> N7
+N7 ..[#000000]..> N8
+N8 -[#FFF176]-> N9
+N9 ..[#4DB6AC]..> N10
+N10 -[#000000]-> N11
+N11 -[#4DB6AC]-> N12
+N12 ..[#000000]..> N13
+N13 ..[#FFF176]..> N14
+nest0_0 ..[#673AB7]..> nest0_1
+nest0_1 ..[#000000]..> nest0_2
+N3 -[#673AB7]-> nest0_0
+nest0_2 ..[#000000]..> N9
+nest1_0 ..[#FFF176]..> nest1_1
+N8 ..[#4DB6AC]..> nest1_0
+nest1_1 ..[#673AB7]..> N11 : validates
+N10 ..[#4DB6AC]..> S0
+S0 -[#000000]-> N14
+S0 ..[#4DB6AC]..> N13
+N5 ..[#000000]..> S1
+S1 ..[#000000]..> N11
+S1 -[#000000]-> N14
+S1 -[#000000]-> N10
+S1 ..[#FFF176]..> N7
+N1 ..[#4DB6AC]..> M0
+N2 -[#4DB6AC]-> M0
+N0 -[#FFF176]-> M0
+N3 -[#673AB7]-> M0
+M0 -[#673AB7]-> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_74.txt b/test/plantuml/graph_hard/plantuml_74.txt
new file mode 100644
index 0000000000000000000000000000000000000000..db9ea17753ac274e6f85a75946f724d4f3bd97f8
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_74.txt
@@ -0,0 +1,36 @@
+<Assay Development, connectedTo, Clinical Trial Design>
+<Bioimaging, connectedTo, Preclinical Testing>
+<Biomanufacturing Scale_up, connectedTo, Biosensor Development>
+<Biomanufacturing Scale_up, connectedTo, Computational Biology Modeling>
+<Biomanufacturing Scale_up, connectedTo, Environmental Bioremediation>
+<Bioprocess Optimization, connectedTo, Cell Culture>
+<Bioprocess Optimization, partOf, Bioinformatics Analysis>
+<Bioreactor Operation, connectedTo, Genomic Editing>
+<Bioreactor Operation, connectedTo, Preclinical Testing>
+<Bioreactor Operation, connectedTo, Tissue Engineering>
+<Biosensor Development, connectedTo, Assay Development>
+<Biosensor Development, connectedTo, Bioreactor Operation>
+<Biosensor Development, connectedTo, Genomic Editing>
+<Biosensor Development, connectedTo, Personalized Medicine Formulation>
+<Biosensor Development, connectedTo, Tissue Engineering>
+<CRISPR Technology Application, connectedTo, Biomanufacturing Scale_up>
+<CRISPR Technology Application, connectedTo, Biosensor Development>
+<Cell Culture, connectedTo, Bioreactor Operation>
+<Clinical Data Interpretation, connectedTo, Vaccine Development>
+<Clinical Data Interpretation, partOf, Microbial Fermentation>
+<Clinical Trial Design, connectedTo, Cell Culture>
+<Clinical Trial Design, connectedTo, Clinical Data Interpretation>
+<Computational Biology Modeling, connectedTo, Lab Automation>
+<Computational Biology Modeling, partOf, Bioinformatics Analysis>
+<Environmental Bioremediation, connectedTo, Biosensor Development>
+<Lab Automation, connectedTo, Bioprocess Optimization>
+<Lab Automation, partOf, Bioinformatics Analysis>
+<Monoclonal Antibody Production, connectedTo, Biosensor Development>
+<Monoclonal Antibody Production, connectedTo, CRISPR Technology Application>
+<Personalized Medicine Formulation, connectedTo, Assay Development>
+<Preclinical Testing, connectedTo, Genomic Editing>
+<Protein Engineering, connectedTo, Biosensor Development>
+<Protein Engineering, connectedTo, Monoclonal Antibody Production>
+<Tissue Engineering, connectedTo, Bioimaging>
+<Vaccine Development, partOf, Microbial Fermentation>
+<Vaccine Development, validates, Tissue Engineering>
diff --git a/test/plantuml/graph_hard/plantuml_75.puml b/test/plantuml/graph_hard/plantuml_75.puml
new file mode 100644
index 0000000000000000000000000000000000000000..2101ee9fc9bd9340da7a1e29f79cc4e7823fcc9a
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_75.puml
@@ -0,0 +1,78 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Gene Therapy Delivery" as Group0 #E0F2F1 {
+    folder "Drug Repurposing" as nest0_0 #C9EFEC
+    folder "CRISPR Technology Application" as nest0_1 #FAEBF3
+    rectangle "Gene Sequencing" as nest0_2 #FCFCE7
+    rectangle "Biosafety Protocol" as nest0_3 #FCFCE7
+}
+rectangle "Personalized Medicine Formulation" as Group1 #EDE7F6 {
+    frame "Environmental Bioremediation" as nest1_0 #C9EFEC
+    node "Quality Control" as nest1_1 #C9EFEC
+}
+rectangle "Synthetic Biology Design" as N0 #C9EFEC
+component "Vaccine Development" as N1 #FAEBF3
+usecase "Pharmacogenomics" as N2 #C9EFEC
+cloud "Assay Development" as N3 #FAEBF3
+node "Structural Biology" as N4 #FAEBF3
+rectangle "Drug Discovery" as N5 #FCFCE7
+node "Clinical Trial Design" as N6 #C9EFEC
+usecase "Bioprocess Optimization" as N7 #FCFCE7
+component "Preclinical Testing" as N8 #FCFCE7
+artifact "Bioimaging" as N9 #C9EFEC
+component "Nanobiotechnology Application" as N10 #FAEBF3
+frame "Bioinformatics Analysis" as N11 #FAEBF3
+folder "Intellectual Property Protection" as N12 #FAEBF3
+component "Regulatory Submission" as N13 #FAEBF3
+folder "Data Management and Analysis" as N14 #C9EFEC
+artifact "Ethical Review Board Approval" as N15 #FAEBF3
+circle " " as S0 #C9EFEC
+circle " " as S1 #FAEBF3
+circle " " as S2 #FAEBF3
+circle " " as M0 #FAEBF3
+circle " " as M1 #C9EFEC
+N0 ..[#DCE775]..> N1
+N1 -[#6FE1D5]-> N2
+N2 -[#000000]-> N3
+N3 -[#000000]-> N4
+N4 ..[#F7BEE0]..> N5 : detects
+N5 -[#000000]-> N6
+N6 ..[#F7BEE0]..> N7
+N7 ..[#000000]..> N8
+N8 -[#6FE1D5]-> N9
+N9 -[#000000]-> N10
+N10 ..[#000000]..> N11
+N11 ..[#DCE775]..> N12
+N12 -[#F7BEE0]-> N13
+N13 -[#000000]-> N14
+N14 -[#6FE1D5]-> N15
+nest0_0 ..[#6FE1D5]..> nest0_1
+nest0_1 ..[#000000]..> nest0_2
+nest0_2 ..[#000000]..> nest0_3
+N7 ..[#000000]..> nest0_0
+nest0_3 -[#DCE775]-> N12
+nest1_0 -[#000000]-> nest1_1
+N3 ..[#6FE1D5]..> nest1_0
+nest1_1 ..[#6FE1D5]..> N10
+N0 ..[#000000]..> S0
+S0 -[#DCE775]-> N3 : validates
+S0 ..[#6FE1D5]..> N15
+N4 -[#6FE1D5]-> S1
+S1 ..[#6FE1D5]..> N7
+S1 ..[#DCE775]..> N15
+S1 ..[#6FE1D5]..> N6
+N10 -[#6FE1D5]-> S2
+S2 ..[#6FE1D5]..> N13
+S2 -[#F7BEE0]-> N14
+S2 -[#6FE1D5]-> N15
+N2 ..[#F7BEE0]..> M0
+N1 ..[#DCE775]..> M0
+N4 ..[#000000]..> M0
+N3 -[#6FE1D5]-> M0
+M0 ..[#000000]..> N6
+N0 -[#DCE775]-> M1
+N7 ..[#000000]..> M1
+M1 -[#DCE775]-> N14
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_75.txt b/test/plantuml/graph_hard/plantuml_75.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0f427529d1fcf8e5e68cafddf7be0b869a5ec8bc
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_75.txt
@@ -0,0 +1,42 @@
+<Assay Development, connectedTo, Clinical Trial Design>
+<Assay Development, connectedTo, Environmental Bioremediation>
+<Assay Development, connectedTo, Structural Biology>
+<Bioimaging, connectedTo, Nanobiotechnology Application>
+<Bioinformatics Analysis, connectedTo, Intellectual Property Protection>
+<Bioprocess Optimization, connectedTo, Data Management and Analysis>
+<Bioprocess Optimization, connectedTo, Drug Repurposing>
+<Bioprocess Optimization, connectedTo, Preclinical Testing>
+<Biosafety Protocol, connectedTo, Intellectual Property Protection>
+<Biosafety Protocol, partOf, Gene Therapy Delivery>
+<CRISPR Technology Application, connectedTo, Gene Sequencing>
+<CRISPR Technology Application, partOf, Gene Therapy Delivery>
+<Clinical Trial Design, connectedTo, Bioprocess Optimization>
+<Data Management and Analysis, connectedTo, Ethical Review Board Approval>
+<Drug Discovery, connectedTo, Clinical Trial Design>
+<Drug Repurposing, connectedTo, CRISPR Technology Application>
+<Drug Repurposing, partOf, Gene Therapy Delivery>
+<Environmental Bioremediation, connectedTo, Quality Control>
+<Environmental Bioremediation, partOf, Personalized Medicine Formulation>
+<Gene Sequencing, connectedTo, Biosafety Protocol>
+<Gene Sequencing, partOf, Gene Therapy Delivery>
+<Intellectual Property Protection, connectedTo, Regulatory Submission>
+<Nanobiotechnology Application, connectedTo, Bioinformatics Analysis>
+<Nanobiotechnology Application, connectedTo, Data Management and Analysis>
+<Nanobiotechnology Application, connectedTo, Ethical Review Board Approval>
+<Nanobiotechnology Application, connectedTo, Regulatory Submission>
+<Pharmacogenomics, connectedTo, Assay Development>
+<Pharmacogenomics, connectedTo, Clinical Trial Design>
+<Preclinical Testing, connectedTo, Bioimaging>
+<Quality Control, connectedTo, Nanobiotechnology Application>
+<Quality Control, partOf, Personalized Medicine Formulation>
+<Regulatory Submission, connectedTo, Data Management and Analysis>
+<Structural Biology, connectedTo, Bioprocess Optimization>
+<Structural Biology, connectedTo, Clinical Trial Design>
+<Structural Biology, connectedTo, Ethical Review Board Approval>
+<Structural Biology, detects, Drug Discovery>
+<Synthetic Biology Design, connectedTo, Data Management and Analysis>
+<Synthetic Biology Design, connectedTo, Ethical Review Board Approval>
+<Synthetic Biology Design, connectedTo, Vaccine Development>
+<Synthetic Biology Design, validates, Assay Development>
+<Vaccine Development, connectedTo, Clinical Trial Design>
+<Vaccine Development, connectedTo, Pharmacogenomics>
diff --git a/test/plantuml/graph_hard/plantuml_76.puml b/test/plantuml/graph_hard/plantuml_76.puml
new file mode 100644
index 0000000000000000000000000000000000000000..d5567fb9a1203bdebf2f5abee176518c1ac431e4
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_76.puml
@@ -0,0 +1,64 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Active Pharmaceutical Ingredient Production" as Group0 #FBE9E7 {
+    rectangle "Patent Application" as nest0_0 #E4E0DF
+    artifact "Good Manufacturing Practices" as nest0_1 #E4E0DF
+    database "Packaging" as nest0_2 #F2E6F5
+}
+rectangle "Preclinical Testing" as Group1 #FBE9E7 {
+    usecase "Compound Synthesis" as nest1_0 #F5F5DC
+    cloud "Drug Repurposing" as nest1_1 #F5F5DC
+    node "Pharmacovigilance" as nest1_2 #E4E0DF
+}
+node "Market Access Strategy" as N0 #F2E6F5
+component "Sales and Marketing Strategy" as N1 #F2E6F5
+folder "Audit Management" as N2 #E4E0DF
+database "Drug Device Combination" as N3 #F2E6F5
+folder "Manufacturing Scale_up" as N4 #F2E6F5
+artifact "Clinical Trial Phases" as N5 #E4E0DF
+rectangle "Drug Stability Testing" as N6 #E4E0DF
+usecase "Adverse Event Reporting" as N7 #E4E0DF
+folder "Post_Marketing Surveillance" as N8 #F5F5DC
+database "Supply Chain Management" as N9 #F2E6F5
+circle " " as S1 #F5F5DC
+circle " " as S2 #E4E0DF
+circle " " as M0 #E4E0DF
+circle " " as M1 #F2E6F5
+N0 -[#CB9BE1]-> N1
+N1 ..[#BDAFA8]..> N2
+N2 -[#BCB88A]-> N3
+N3 -[#000000]-> N4 : monitors
+N4 ..[#BDAFA8]..> N5 : audits
+N5 -[#BDAFA8]-> N6
+N6 -[#BDAFA8]-> N7
+N7 -[#BDAFA8]-> N8
+N8 -[#BCB88A]-> N9
+nest0_0 ..[#CB9BE1]..> nest0_1
+nest0_1 -[#BCB88A]-> nest0_2
+N2 -[#BCB88A]-> nest0_0
+nest0_2 -[#BCB88A]-> N4
+nest1_0 ..[#BDAFA8]..> nest1_1
+nest1_1 -[#BCB88A]-> nest1_2
+N2 -[#000000]-> nest1_0
+nest1_2 ..[#BCB88A]..> N6
+N3 -[#BDAFA8]-> S1
+S1 -[#000000]-> N6
+S1 -[#000000]-> N8
+S1 ..[#BCB88A]..> N7
+S1 ..[#CB9BE1]..> N5
+N5 -[#BDAFA8]-> S2
+S2 -[#CB9BE1]-> N8
+S2 ..[#BCB88A]..> N9
+S2 ..[#BDAFA8]..> N7
+N6 ..[#BDAFA8]..> M0
+N0 -[#BDAFA8]-> M0
+N4 ..[#BDAFA8]..> M0
+N3 -[#000000]-> M0
+M0 ..[#CB9BE1]..> N9
+N1 -[#CB9BE1]-> M1
+N0 -[#CB9BE1]-> M1
+N2 -[#BCB88A]-> M1
+M1 -[#BCB88A]-> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_76.txt b/test/plantuml/graph_hard/plantuml_76.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4c5a8b57ec1b1392f38edad18bbd0bad73e6d785
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_76.txt
@@ -0,0 +1,37 @@
+<Adverse Event Reporting, connectedTo, Post_Marketing Surveillance>
+<Audit Management, connectedTo, Compound Synthesis>
+<Audit Management, connectedTo, Drug Device Combination>
+<Audit Management, connectedTo, Manufacturing Scale_up>
+<Audit Management, connectedTo, Patent Application>
+<Clinical Trial Phases, connectedTo, Adverse Event Reporting>
+<Clinical Trial Phases, connectedTo, Drug Stability Testing>
+<Clinical Trial Phases, connectedTo, Post_Marketing Surveillance>
+<Clinical Trial Phases, connectedTo, Supply Chain Management>
+<Compound Synthesis, connectedTo, Drug Repurposing>
+<Compound Synthesis, partOf, Preclinical Testing>
+<Drug Device Combination, connectedTo, Adverse Event Reporting>
+<Drug Device Combination, connectedTo, Clinical Trial Phases>
+<Drug Device Combination, connectedTo, Drug Stability Testing>
+<Drug Device Combination, connectedTo, Post_Marketing Surveillance>
+<Drug Device Combination, connectedTo, Supply Chain Management>
+<Drug Device Combination, monitors, Manufacturing Scale_up>
+<Drug Repurposing, connectedTo, Pharmacovigilance>
+<Drug Repurposing, partOf, Preclinical Testing>
+<Drug Stability Testing, connectedTo, Adverse Event Reporting>
+<Drug Stability Testing, connectedTo, Supply Chain Management>
+<Good Manufacturing Practices, connectedTo, Packaging>
+<Good Manufacturing Practices, partOf, Active Pharmaceutical Ingredient Production>
+<Manufacturing Scale_up, audits, Clinical Trial Phases>
+<Manufacturing Scale_up, connectedTo, Supply Chain Management>
+<Market Access Strategy, connectedTo, Manufacturing Scale_up>
+<Market Access Strategy, connectedTo, Sales and Marketing Strategy>
+<Market Access Strategy, connectedTo, Supply Chain Management>
+<Packaging, connectedTo, Manufacturing Scale_up>
+<Packaging, partOf, Active Pharmaceutical Ingredient Production>
+<Patent Application, connectedTo, Good Manufacturing Practices>
+<Patent Application, partOf, Active Pharmaceutical Ingredient Production>
+<Pharmacovigilance, connectedTo, Drug Stability Testing>
+<Pharmacovigilance, partOf, Preclinical Testing>
+<Post_Marketing Surveillance, connectedTo, Supply Chain Management>
+<Sales and Marketing Strategy, connectedTo, Audit Management>
+<Sales and Marketing Strategy, connectedTo, Manufacturing Scale_up>
diff --git a/test/plantuml/graph_hard/plantuml_77.puml b/test/plantuml/graph_hard/plantuml_77.puml
new file mode 100644
index 0000000000000000000000000000000000000000..980d109123bf833d8d7d514293587a1680204c1b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_77.puml
@@ -0,0 +1,65 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Cold Chain Logistics" as Group0 #FCE4EC {
+    rectangle "Post_Marketing Surveillance" as nest0_0 #D1C4E9
+    frame "Adverse Event Reporting" as nest0_1 #D1C4E9
+    frame "Process Validation" as nest0_2 #EDE7F6
+    database "Drug Research" as nest0_3 #F1F8E9
+}
+rectangle "Health Economics Outcomes Research" as Group1 #FBE9E7 {
+    node "Solid Dosage Formulation" as nest1_0 #D1C4E9
+    database "Market Access Strategy" as nest1_1 #EDE7F6
+}
+folder "Global Regulatory Affairs" as N0 #F1F8E9
+artifact "Clinical Supply Management" as N1 #F1F8E9
+folder "Injectable Drug Manufacturing" as N2 #D1C4E9
+rectangle "Medical Writing" as N3 #D1C4E9
+artifact "Formulation Development" as N4 #EDE7F6
+rectangle "Compound Synthesis" as N5 #EDE7F6
+folder "Packaging" as N6 #D1C4E9
+folder "Patient Adherence Programs" as N7 #D1C4E9
+folder "Cleanroom Operations" as N8 #EDE7F6
+artifact "Manufacturing Scale_up" as N9 #D1C4E9
+circle " " as S0 #F1F8E9
+circle " " as S1 #EDE7F6
+circle " " as S2 #EDE7F6
+circle " " as M1 #D1C4E9
+circle " " as M2 #F1F8E9
+N0 ..[#673AB7]..> N1 : formulates
+N1 ..[#81C784]..> N2
+N2 ..[#81C784]..> N3
+N3 ..[#9575CD]..> N4
+N4 -[#673AB7]-> N5 : publishes
+N5 ..[#000000]..> N6
+N6 -[#673AB7]-> N7
+N7 ..[#673AB7]..> N8
+N8 ..[#9575CD]..> N9
+nest0_0 -[#81C784]-> nest0_1
+nest0_1 ..[#000000]..> nest0_2
+nest0_2 -[#000000]-> nest0_3
+N1 -[#000000]-> nest0_0
+nest0_3 ..[#9575CD]..> N3
+nest1_0 -[#673AB7]-> nest1_1 : audits
+N4 -[#673AB7]-> nest1_0
+nest1_1 ..[#673AB7]..> N7
+N4 ..[#9575CD]..> S0
+S0 -[#81C784]-> N7
+S0 -[#000000]-> N8
+S0 -[#81C784]-> N9
+N2 -[#000000]-> S1
+S1 ..[#9575CD]..> N4
+S1 ..[#673AB7]..> N5
+N2 ..[#673AB7]..> S2
+S2 -[#81C784]-> N6
+S2 ..[#673AB7]..> N4
+S2 ..[#673AB7]..> N5 : synthesizes
+N3 ..[#673AB7]..> M1
+N1 ..[#673AB7]..> M1
+M1 ..[#000000]..> N8
+N1 -[#9575CD]-> M2 : certifies
+N2 ..[#9575CD]..> M2
+N3 ..[#81C784]..> M2
+M2 ..[#000000]..> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_77.txt b/test/plantuml/graph_hard/plantuml_77.txt
new file mode 100644
index 0000000000000000000000000000000000000000..db30ac2afce0e4b8da092f44dedc3b490c1e20d0
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_77.txt
@@ -0,0 +1,34 @@
+<Adverse Event Reporting, connectedTo, Process Validation>
+<Adverse Event Reporting, partOf, Cold Chain Logistics>
+<Cleanroom Operations, connectedTo, Manufacturing Scale_up>
+<Clinical Supply Management, certifies, Compound Synthesis>
+<Clinical Supply Management, connectedTo, Cleanroom Operations>
+<Clinical Supply Management, connectedTo, Injectable Drug Manufacturing>
+<Clinical Supply Management, connectedTo, Post_Marketing Surveillance>
+<Compound Synthesis, connectedTo, Packaging>
+<Drug Research, connectedTo, Medical Writing>
+<Drug Research, partOf, Cold Chain Logistics>
+<Formulation Development, connectedTo, Cleanroom Operations>
+<Formulation Development, connectedTo, Manufacturing Scale_up>
+<Formulation Development, connectedTo, Patient Adherence Programs>
+<Formulation Development, connectedTo, Solid Dosage Formulation>
+<Formulation Development, publishes, Compound Synthesis>
+<Global Regulatory Affairs, formulates, Clinical Supply Management>
+<Injectable Drug Manufacturing, connectedTo, Compound Synthesis>
+<Injectable Drug Manufacturing, connectedTo, Formulation Development>
+<Injectable Drug Manufacturing, connectedTo, Medical Writing>
+<Injectable Drug Manufacturing, connectedTo, Packaging>
+<Injectable Drug Manufacturing, synthesizes, Compound Synthesis>
+<Market Access Strategy, connectedTo, Patient Adherence Programs>
+<Market Access Strategy, partOf, Health Economics Outcomes Research>
+<Medical Writing, connectedTo, Cleanroom Operations>
+<Medical Writing, connectedTo, Compound Synthesis>
+<Medical Writing, connectedTo, Formulation Development>
+<Packaging, connectedTo, Patient Adherence Programs>
+<Patient Adherence Programs, connectedTo, Cleanroom Operations>
+<Post_Marketing Surveillance, connectedTo, Adverse Event Reporting>
+<Post_Marketing Surveillance, partOf, Cold Chain Logistics>
+<Process Validation, connectedTo, Drug Research>
+<Process Validation, partOf, Cold Chain Logistics>
+<Solid Dosage Formulation, audits, Market Access Strategy>
+<Solid Dosage Formulation, partOf, Health Economics Outcomes Research>
diff --git a/test/plantuml/graph_hard/plantuml_78.puml b/test/plantuml/graph_hard/plantuml_78.puml
new file mode 100644
index 0000000000000000000000000000000000000000..e2e37e40da31fdd9509fbf649896a8f351958d47
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_78.puml
@@ -0,0 +1,72 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Intellectual Property Litigation" as Group0 #FFF3E0 {
+    rectangle "Supply Chain Management" as nest0_0 #DACBE3
+    frame "Cold Chain Logistics" as nest0_1 #FFECB3
+}
+rectangle "Cleanroom Operations" as Group1 #FBE9E7 {
+    artifact "Drug Stability Testing" as nest1_0 #FFECB3
+    artifact "Clinical Trial Phases" as nest1_1 #FFECB3
+}
+folder "Sterile Product Filling" as N0 #FFDAB9
+node "Market Access Strategy" as N1 #DACBE3
+folder "Packaging" as N2 #DACBE3
+folder "Batch Release" as N3 #FFECB3
+folder "Process Validation" as N4 #DACBE3
+component "Manufacturing Scale_up" as N5 #FFDAB9
+folder "Injectable Drug Manufacturing" as N6 #DACBE3
+cloud "Formulation Development" as N7 #DACBE3
+component "Quality Control" as N8 #DACBE3
+node "Sales and Marketing Strategy" as N9 #FFECB3
+folder "Compound Synthesis" as N10 #DACBE3
+rectangle "Post_Marketing Surveillance" as N11 #DACBE3
+artifact "Post_Approval Commitment Tracking" as N12 #DACBE3
+node "Counterfeit Drug Detection" as N13 #DACBE3
+circle " " as S0 #FFECB3
+circle " " as S1 #FFECB3
+circle " " as S2 #FFECB3
+circle " " as M0 #DACBE3
+circle " " as M1 #DACBE3
+circle " " as M2 #FFECB3
+N0 -[#000000]-> N1
+N1 ..[#000000]..> N2
+N2 -[#FFC107]-> N3 : trials
+N3 ..[#A188D0]..> N4
+N4 ..[#A188D0]..> N5
+N5 -[#FFC107]-> N6
+N6 -[#A188D0]-> N7
+N7 ..[#A188D0]..> N8
+N8 ..[#000000]..> N9
+N9 ..[#FFC107]..> N10
+N10 ..[#000000]..> N11
+N11 ..[#FFC085]..> N12
+N12 ..[#000000]..> N13
+nest0_0 ..[#000000]..> nest0_1
+N2 ..[#FFC085]..> nest0_0
+nest0_1 -[#A188D0]-> N7
+nest1_0 -[#A188D0]-> nest1_1
+N7 -[#000000]-> nest1_0 : evaluates
+nest1_1 ..[#A188D0]..> N11
+N5 ..[#FFC107]..> S0
+S0 -[#000000]-> N13
+S0 ..[#000000]..> N11 : prescribes
+N8 -[#FFC085]-> S1
+S1 ..[#A188D0]..> N11
+S1 -[#FFC085]-> N13 : consults
+S1 ..[#FFC085]..> N12
+N9 -[#FFC107]-> S2
+S2 ..[#FFC085]..> N12
+S2 ..[#FFC085]..> N11
+N1 ..[#FFC085]..> M0
+N0 -[#FFC107]-> M0
+M0 -[#FFC107]-> N3
+N7 -[#000000]-> M1
+N6 ..[#000000]..> M1 : formulates
+N5 ..[#FFC085]..> M1 : discovers
+M1 ..[#FFC085]..> N9
+N2 -[#FFC107]-> M2
+N0 -[#FFC107]-> M2
+M2 -[#FFC107]-> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_78.txt b/test/plantuml/graph_hard/plantuml_78.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ab5297f02ab4a8454f705d1eb6a5383eb736224d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_78.txt
@@ -0,0 +1,37 @@
+<Batch Release, connectedTo, Process Validation>
+<Clinical Trial Phases, connectedTo, Post_Marketing Surveillance>
+<Clinical Trial Phases, partOf, Cleanroom Operations>
+<Cold Chain Logistics, connectedTo, Formulation Development>
+<Cold Chain Logistics, partOf, Intellectual Property Litigation>
+<Compound Synthesis, connectedTo, Post_Marketing Surveillance>
+<Drug Stability Testing, connectedTo, Clinical Trial Phases>
+<Drug Stability Testing, partOf, Cleanroom Operations>
+<Formulation Development, connectedTo, Quality Control>
+<Formulation Development, connectedTo, Sales and Marketing Strategy>
+<Formulation Development, evaluates, Drug Stability Testing>
+<Injectable Drug Manufacturing, connectedTo, Formulation Development>
+<Injectable Drug Manufacturing, formulates, Sales and Marketing Strategy>
+<Manufacturing Scale_up, connectedTo, Counterfeit Drug Detection>
+<Manufacturing Scale_up, connectedTo, Injectable Drug Manufacturing>
+<Manufacturing Scale_up, discovers, Sales and Marketing Strategy>
+<Manufacturing Scale_up, prescribes, Post_Marketing Surveillance>
+<Market Access Strategy, connectedTo, Batch Release>
+<Market Access Strategy, connectedTo, Packaging>
+<Packaging, connectedTo, Quality Control>
+<Packaging, connectedTo, Supply Chain Management>
+<Packaging, trials, Batch Release>
+<Post_Approval Commitment Tracking, connectedTo, Counterfeit Drug Detection>
+<Post_Marketing Surveillance, connectedTo, Post_Approval Commitment Tracking>
+<Process Validation, connectedTo, Manufacturing Scale_up>
+<Quality Control, connectedTo, Post_Approval Commitment Tracking>
+<Quality Control, connectedTo, Post_Marketing Surveillance>
+<Quality Control, connectedTo, Sales and Marketing Strategy>
+<Quality Control, consults, Counterfeit Drug Detection>
+<Sales and Marketing Strategy, connectedTo, Compound Synthesis>
+<Sales and Marketing Strategy, connectedTo, Post_Approval Commitment Tracking>
+<Sales and Marketing Strategy, connectedTo, Post_Marketing Surveillance>
+<Sterile Product Filling, connectedTo, Batch Release>
+<Sterile Product Filling, connectedTo, Market Access Strategy>
+<Sterile Product Filling, connectedTo, Quality Control>
+<Supply Chain Management, connectedTo, Cold Chain Logistics>
+<Supply Chain Management, partOf, Intellectual Property Litigation>
diff --git a/test/plantuml/graph_hard/plantuml_79.txt b/test/plantuml/graph_hard/plantuml_79.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5ae5ae8962f964e718c33013546124b905c16381
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_79.txt
@@ -0,0 +1,32 @@
+<Drone Control, connectedTo, Ethical Robotics Development>
+<Drone Control, partOf, Autonomous Navigation>
+<Ethical Robotics Development, connectedTo, Performance Testing>
+<Ethical Robotics Development, partOf, Autonomous Navigation>
+<Fault Detection and Diagnosis, connectedTo, Field Deployment>
+<Fault Detection and Diagnosis, partOf, Collaborative Robotics>
+<Field Deployment, connectedTo, Learning Algorithms>
+<Field Deployment, partOf, Collaborative Robotics>
+<Kinematics and Dynamics, connectedTo, Fault Detection and Diagnosis>
+<Kinematics and Dynamics, partOf, Collaborative Robotics>
+<Learning Algorithms, connectedTo, Wireless Communication>
+<Path Planning, connectedTo, Drone Control>
+<Path Planning, connectedTo, Sensor Integration>
+<Path Planning, connectedTo, Wireless Communication>
+<Performance Testing, connectedTo, Sensor Integration>
+<Performance Testing, partOf, Autonomous Navigation>
+<Robot Assembly, connectedTo, Exoskeleton Development>
+<Robot Assembly, connectedTo, Learning Algorithms>
+<Robot Assembly, connectedTo, Robotics Simulation>
+<Robot Assembly, connectedTo, Wireless Communication>
+<Robot Design, avoids, Wireless Communication>
+<Robot Design, connectedTo, Exoskeleton Development>
+<Robot Design, connectedTo, Learning Algorithms>
+<Robot Design, connectedTo, Robot Assembly>
+<Robot Design, connectedTo, Robotics Simulation>
+<Robotics Simulation, connectedTo, Exoskeleton Development>
+<Sensor Integration, connectedTo, Kinematics and Dynamics>
+<Sensor Integration, connectedTo, Robot Design>
+<Sensor Integration, connectedTo, Wireless Communication>
+<System Integration, connectedTo, Path Planning>
+<System Integration, monitors, Wireless Communication>
+<Wireless Communication, connectedTo, Robotics Simulation>
diff --git a/test/plantuml/graph_hard/plantuml_8.puml b/test/plantuml/graph_hard/plantuml_8.puml
new file mode 100644
index 0000000000000000000000000000000000000000..6e08aac564856383f22dd1a9643e05907408b8f1
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_8.puml
@@ -0,0 +1,62 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Final Testing" as Group0 #FCE4EC {
+    artifact "Parts Replacement" as nest0_0 #E8F5E9
+    folder "Inventory Check" as nest0_1 #E6EE9C
+    component "Tool Path Generation" as nest0_2 #F1F8FF
+    folder "Tool Setup" as nest0_3 #E6EE9C
+}
+rectangle "Raw Material" as Group1 #E3F2FD {
+    component "Welding" as nest1_0 #E6EE9C
+    artifact "Assembly" as nest1_1 #E8F5E9
+}
+component "Shipping" as N0 #E6EE9C
+database "Ergonomics Assessment" as N1 #E6EE9C
+folder "Design Review" as N2 #E6EE9C
+usecase "Maintenance" as N3 #E6EE9C
+folder "Component Sourcing" as N4 #F1F8FF
+rectangle "Automated Assembly" as N5 #E6EE9C
+frame "Painting" as N6 #E6EE9C
+folder "Procurement" as N7 #E8F5E9
+component "Quality Control" as N8 #F1F8FF
+database "Automated Guided Vehicle Operation" as N9 #E6EE9C
+component "Machine Calibration" as N10 #E6EE9C
+component "Yield Optimization" as N11 #F1F8FF
+artifact "Factory Layout Planning" as N12 #E6EE9C
+circle " " as S0 #E8F5E9
+circle " " as S1 #E8F5E9
+circle " " as M2 #E6EE9C
+N0 -[#000000]-> N1
+N1 -[#000000]-> N2
+N2 ..[#66BB6A]..> N3
+N3 -[#000000]-> N4 : paints
+N4 ..[#42A5F5]..> N5
+N5 -[#000000]-> N6
+N6 -[#CDDC39]-> N7
+N7 -[#000000]-> N8 : prototypes
+N8 -[#CDDC39]-> N9
+N9 -[#CDDC39]-> N10
+N10 ..[#CDDC39]..> N11
+N11 ..[#000000]..> N12
+nest0_0 -[#42A5F5]-> nest0_1
+nest0_1 ..[#66BB6A]..> nest0_2
+nest0_2 ..[#66BB6A]..> nest0_3
+N4 ..[#000000]..> nest0_0
+nest0_3 -[#CDDC39]-> N7
+nest1_0 -[#66BB6A]-> nest1_1
+N9 -[#CDDC39]-> nest1_0
+nest1_1 ..[#66BB6A]..> N1
+N7 ..[#66BB6A]..> S0
+S0 -[#CDDC39]-> N9 : designs
+S0 -[#42A5F5]-> N11
+S0 ..[#000000]..> N12
+N2 -[#66BB6A]-> S1
+S1 ..[#CDDC39]..> N9
+S1 -[#42A5F5]-> N4
+S1 -[#42A5F5]-> N7
+N5 -[#CDDC39]-> M2
+N0 ..[#CDDC39]..> M2
+M2 ..[#42A5F5]..> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_8.txt b/test/plantuml/graph_hard/plantuml_8.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5da3aa819684a24fe1a22f78c49dd05800df4681
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_8.txt
@@ -0,0 +1,34 @@
+<Assembly, connectedTo, Ergonomics Assessment>
+<Assembly, partOf, Raw Material>
+<Automated Assembly, connectedTo, Painting>
+<Automated Assembly, connectedTo, Procurement>
+<Automated Guided Vehicle Operation, connectedTo, Machine Calibration>
+<Automated Guided Vehicle Operation, connectedTo, Welding>
+<Component Sourcing, connectedTo, Automated Assembly>
+<Component Sourcing, connectedTo, Parts Replacement>
+<Design Review, connectedTo, Automated Guided Vehicle Operation>
+<Design Review, connectedTo, Component Sourcing>
+<Design Review, connectedTo, Maintenance>
+<Design Review, connectedTo, Procurement>
+<Ergonomics Assessment, connectedTo, Design Review>
+<Inventory Check, connectedTo, Tool Path Generation>
+<Inventory Check, partOf, Final Testing>
+<Machine Calibration, connectedTo, Yield Optimization>
+<Maintenance, paints, Component Sourcing>
+<Painting, connectedTo, Procurement>
+<Parts Replacement, connectedTo, Inventory Check>
+<Parts Replacement, partOf, Final Testing>
+<Procurement, connectedTo, Factory Layout Planning>
+<Procurement, connectedTo, Yield Optimization>
+<Procurement, designs, Automated Guided Vehicle Operation>
+<Procurement, prototypes, Quality Control>
+<Quality Control, connectedTo, Automated Guided Vehicle Operation>
+<Shipping, connectedTo, Ergonomics Assessment>
+<Shipping, connectedTo, Procurement>
+<Tool Path Generation, connectedTo, Tool Setup>
+<Tool Path Generation, partOf, Final Testing>
+<Tool Setup, connectedTo, Procurement>
+<Tool Setup, partOf, Final Testing>
+<Welding, connectedTo, Assembly>
+<Welding, partOf, Raw Material>
+<Yield Optimization, connectedTo, Factory Layout Planning>
diff --git a/test/plantuml/graph_hard/plantuml_80.puml b/test/plantuml/graph_hard/plantuml_80.puml
new file mode 100644
index 0000000000000000000000000000000000000000..53c1e7839401483aa6be838cd0f30be3f90ea792
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_80.puml
@@ -0,0 +1,55 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Artificial Intelligence Integration" as Group0 #E0F2F1 {
+    folder "Medical Robotics" as nest0_0 #F5F5F5
+    folder "Software Development" as nest0_1 #B2EBF2
+}
+rectangle "Exoskeleton Development" as Group1 #E8F5E9 {
+    artifact "System Integration" as nest1_0 #B2EBF2
+    rectangle "Wireless Communication" as nest1_1 #F5F5F5
+    component "Battery Management" as nest1_2 #FFF3E0
+    folder "Maintenance" as nest1_3 #FFF3E0
+}
+folder "Grasping and Manipulation" as N0 #B2EBF2
+folder "Service Robotics" as N1 #F5F5F5
+folder "Performance Testing" as N2 #F5F5F5
+node "End_Effector Design" as N3 #B2EBF2
+component "Kinematics and Dynamics" as N4 #B2EBF2
+frame "Actuator Control" as N5 #B2EBF2
+usecase "Path Planning" as N6 #FFF3E0
+database "Robot Programming" as N7 #F5F5F5
+folder "Safety System Implementation" as N8 #FFF3E0
+component "Embedded Systems Development" as N9 #F5F5F5
+circle " " as S0 #FFF3E0
+circle " " as S2 #F5F5F5
+circle " " as M1 #B2EBF2
+N0 ..[#FFA726]..> N1
+N1 ..[#000000]..> N2
+N2 -[#00BCD4]-> N3
+N3 -[#BDBDBD]-> N4
+N4 ..[#BDBDBD]..> N5 : learns
+N5 -[#00BCD4]-> N6
+N6 ..[#000000]..> N7
+N7 -[#FFA726]-> N8
+N8 -[#000000]-> N9
+nest0_0 -[#FFA726]-> nest0_1 : calibrates
+N5 -[#000000]-> nest0_0
+nest0_1 -[#00BCD4]-> N1
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 -[#00BCD4]-> nest1_2
+nest1_2 -[#000000]-> nest1_3
+N3 -[#00BCD4]-> nest1_0
+nest1_3 ..[#000000]..> N4
+N4 ..[#BDBDBD]..> S0
+S0 -[#000000]-> N8
+S0 ..[#000000]..> N6
+N6 -[#BDBDBD]-> S2
+S2 -[#00BCD4]-> N9
+S2 -[#BDBDBD]-> N8
+N0 -[#FFA726]-> M1
+N3 -[#BDBDBD]-> M1
+N4 -[#FFA726]-> M1
+M1 -[#000000]-> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_80.txt b/test/plantuml/graph_hard/plantuml_80.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dfd8acb7fae21b7fb145933de78acb979cdbc5bb
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_80.txt
@@ -0,0 +1,30 @@
+<Actuator Control, connectedTo, Medical Robotics>
+<Actuator Control, connectedTo, Path Planning>
+<Battery Management, connectedTo, Maintenance>
+<Battery Management, partOf, Exoskeleton Development>
+<End_Effector Design, connectedTo, Kinematics and Dynamics>
+<End_Effector Design, connectedTo, Robot Programming>
+<End_Effector Design, connectedTo, System Integration>
+<Grasping and Manipulation, connectedTo, Robot Programming>
+<Grasping and Manipulation, connectedTo, Service Robotics>
+<Kinematics and Dynamics, connectedTo, Path Planning>
+<Kinematics and Dynamics, connectedTo, Robot Programming>
+<Kinematics and Dynamics, connectedTo, Safety System Implementation>
+<Kinematics and Dynamics, learns, Actuator Control>
+<Maintenance, connectedTo, Kinematics and Dynamics>
+<Maintenance, partOf, Exoskeleton Development>
+<Medical Robotics, calibrates, Software Development>
+<Medical Robotics, partOf, Artificial Intelligence Integration>
+<Path Planning, connectedTo, Embedded Systems Development>
+<Path Planning, connectedTo, Robot Programming>
+<Path Planning, connectedTo, Safety System Implementation>
+<Performance Testing, connectedTo, End_Effector Design>
+<Robot Programming, connectedTo, Safety System Implementation>
+<Safety System Implementation, connectedTo, Embedded Systems Development>
+<Service Robotics, connectedTo, Performance Testing>
+<Software Development, connectedTo, Service Robotics>
+<Software Development, partOf, Artificial Intelligence Integration>
+<System Integration, connectedTo, Wireless Communication>
+<System Integration, partOf, Exoskeleton Development>
+<Wireless Communication, connectedTo, Battery Management>
+<Wireless Communication, partOf, Exoskeleton Development>
diff --git a/test/plantuml/graph_hard/plantuml_81.txt b/test/plantuml/graph_hard/plantuml_81.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e65fe5e5545c20f384517584a9ea2e7ea3dac3e4
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_81.txt
@@ -0,0 +1,36 @@
+<Actuator Control, connectedTo, Exoskeleton Development>
+<Agricultural Robotics, paints, Force Control>
+<Artificial Intelligence Integration, connectedTo, Agricultural Robotics>
+<Artificial Intelligence Integration, connectedTo, Force Control>
+<Data Collection, connectedTo, Robot Design>
+<Data Collection, partOf, Embedded Systems Development>
+<Drone Control, connectedTo, System Integration>
+<End_Effector Design, connectedTo, Service Robotics>
+<Ethical Robotics Development, connectedTo, Fault Detection and Diagnosis>
+<Ethical Robotics Development, partOf, Performance Testing>
+<Exoskeleton Development, inspects, Artificial Intelligence Integration>
+<Exploration Robotics, connectedTo, Ethical Robotics Development>
+<Exploration Robotics, partOf, Performance Testing>
+<Fault Detection and Diagnosis, connectedTo, Exoskeleton Development>
+<Fault Detection and Diagnosis, partOf, Performance Testing>
+<Force Control, connectedTo, Drone Control>
+<Kinematics and Dynamics, connectedTo, Machine Vision>
+<Machine Vision, connectedTo, Exoskeleton Development>
+<Machine Vision, connectedTo, Path Planning>
+<Machine Vision, connectedTo, Robot Assembly>
+<Path Planning, connectedTo, Data Collection>
+<Path Planning, partOf, Embedded Systems Development>
+<Robot Assembly, connectedTo, Actuator Control>
+<Robot Assembly, connectedTo, Exploration Robotics>
+<Robot Assembly, programs, Exoskeleton Development>
+<Robot Design, connectedTo, Force Control>
+<Robot Design, partOf, Embedded Systems Development>
+<Sensor Integration, connectedTo, Exoskeleton Development>
+<Sensor Integration, connectedTo, Force Control>
+<Sensor Integration, connectedTo, Kinematics and Dynamics>
+<Service Robotics, applies, Sensor Integration>
+<Service Robotics, connectedTo, Agricultural Robotics>
+<Service Robotics, connectedTo, Drone Control>
+<Service Robotics, connectedTo, Machine Vision>
+<Service Robotics, connectedTo, Robot Assembly>
+<Service Robotics, navigates, System Integration>
diff --git a/test/plantuml/graph_hard/plantuml_82.puml b/test/plantuml/graph_hard/plantuml_82.puml
new file mode 100644
index 0000000000000000000000000000000000000000..13dbeaba74d96b8018da5254a338821946b468cc
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_82.puml
@@ -0,0 +1,71 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Plumbing Work" as Group0 #E0F2F1 {
+    cloud "Project Scheduling" as nest0_0 #E3F2FD
+    frame "Landscape Design" as nest0_1 #E3F2FD
+    rectangle "Site Decontamination" as nest0_2 #C8E6C9
+    database "Site Planning" as nest0_3 #F5F5F5
+}
+rectangle "Excavation" as Group1 #E0F2F1 {
+    component "Roofing Installation" as nest1_0 #C8E6C9
+    usecase "BIM Modeling" as nest1_1 #E3F2FD
+}
+database "Sustainable Building Design" as N0 #E3F2FD
+cloud "HVAC Installation" as N1 #C8E6C9
+node "Drone Surveying" as N2 #F5F5F5
+database "Electrical Wiring" as N3 #F5F5F5
+rectangle "Tunneling" as N4 #F5F5F5
+component "Robotics in Construction" as N5 #F5F5F5
+node "Site Logistics" as N6 #E3F2FD
+component "Risk Assessment" as N7 #F5F5F5
+folder "Permit Application" as N8 #C8E6C9
+rectangle "Punch List Completion" as N9 #F5F5F5
+usecase "Concrete Pouring" as N10 #C8E6C9
+folder "Steel Erection" as N11 #C8E6C9
+frame "Occupancy Permit Acquisition" as N12 #C8E6C9
+folder "Interior Finishing" as N13 #E3F2FD
+usecase "Budget Tracking" as N14 #F5F5F5
+node "Road Construction" as N15 #E3F2FD
+circle " " as S0 #F5F5F5
+circle " " as S1 #C8E6C9
+circle " " as S2 #E3F2FD
+circle " " as M0 #C8E6C9
+N0 -[#000000]-> N1
+N1 -[#64B5F6]-> N2
+N2 ..[#388E3C]..> N3
+N3 ..[#000000]..> N4
+N4 -[#000000]-> N5 : bids
+N5 ..[#BDBDBD]..> N6
+N6 -[#000000]-> N7
+N7 ..[#000000]..> N8
+N8 -[#388E3C]-> N9
+N9 -[#388E3C]-> N10
+N10 ..[#388E3C]..> N11
+N11 -[#64B5F6]-> N12
+N12 -[#BDBDBD]-> N13
+N13 ..[#BDBDBD]..> N14
+N14 ..[#388E3C]..> N15
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 ..[#BDBDBD]..> nest0_2
+nest0_2 -[#000000]-> nest0_3
+N10 ..[#BDBDBD]..> nest0_0
+nest0_3 -[#000000]-> N14
+nest1_0 ..[#388E3C]..> nest1_1
+N11 -[#000000]-> nest1_0
+nest1_1 ..[#388E3C]..> N10
+N0 -[#BDBDBD]-> S0
+S0 ..[#388E3C]..> N6
+S0 -[#BDBDBD]-> N13
+N4 -[#388E3C]-> S1
+S1 -[#388E3C]-> N7
+S1 -[#388E3C]-> N14
+S1 -[#000000]-> N12
+N0 ..[#64B5F6]..> S2
+S2 ..[#388E3C]..> N14
+S2 ..[#388E3C]..> N4
+N4 ..[#000000]..> M0
+N7 -[#BDBDBD]-> M0
+M0 -[#BDBDBD]-> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_82.txt b/test/plantuml/graph_hard/plantuml_82.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ebd65d37671432d555161fb7adc35b7ae0199e42
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_82.txt
@@ -0,0 +1,38 @@
+<BIM Modeling, connectedTo, Concrete Pouring>
+<BIM Modeling, partOf, Excavation>
+<Budget Tracking, connectedTo, Road Construction>
+<Concrete Pouring, connectedTo, Project Scheduling>
+<Concrete Pouring, connectedTo, Steel Erection>
+<Drone Surveying, connectedTo, Electrical Wiring>
+<Electrical Wiring, connectedTo, Tunneling>
+<HVAC Installation, connectedTo, Drone Surveying>
+<Interior Finishing, connectedTo, Budget Tracking>
+<Landscape Design, connectedTo, Site Decontamination>
+<Landscape Design, partOf, Plumbing Work>
+<Occupancy Permit Acquisition, connectedTo, Interior Finishing>
+<Permit Application, connectedTo, Punch List Completion>
+<Project Scheduling, connectedTo, Landscape Design>
+<Project Scheduling, partOf, Plumbing Work>
+<Punch List Completion, connectedTo, Concrete Pouring>
+<Risk Assessment, connectedTo, Permit Application>
+<Risk Assessment, connectedTo, Punch List Completion>
+<Robotics in Construction, connectedTo, Site Logistics>
+<Roofing Installation, connectedTo, BIM Modeling>
+<Roofing Installation, partOf, Excavation>
+<Site Decontamination, connectedTo, Site Planning>
+<Site Decontamination, partOf, Plumbing Work>
+<Site Logistics, connectedTo, Risk Assessment>
+<Site Planning, connectedTo, Budget Tracking>
+<Site Planning, partOf, Plumbing Work>
+<Steel Erection, connectedTo, Occupancy Permit Acquisition>
+<Steel Erection, connectedTo, Roofing Installation>
+<Sustainable Building Design, connectedTo, Budget Tracking>
+<Sustainable Building Design, connectedTo, HVAC Installation>
+<Sustainable Building Design, connectedTo, Interior Finishing>
+<Sustainable Building Design, connectedTo, Site Logistics>
+<Sustainable Building Design, connectedTo, Tunneling>
+<Tunneling, bids, Robotics in Construction>
+<Tunneling, connectedTo, Budget Tracking>
+<Tunneling, connectedTo, Occupancy Permit Acquisition>
+<Tunneling, connectedTo, Punch List Completion>
+<Tunneling, connectedTo, Risk Assessment>
diff --git a/test/plantuml/graph_hard/plantuml_83.puml b/test/plantuml/graph_hard/plantuml_83.puml
new file mode 100644
index 0000000000000000000000000000000000000000..7c57172f278e4e2230c2ad7de5b2bccc187747ff
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_83.puml
@@ -0,0 +1,55 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Structural Framing" as Group0 #FFF3E0 {
+    folder "Risk Assessment" as nest0_0 #FFEBEE
+    component "Roofing Installation" as nest0_1 #C8EDFF
+}
+rectangle "Project Scheduling" as Group1 #E0F2F1 {
+    database "Excavation" as nest1_0 #D1C4E9
+    folder "Road Construction" as nest1_1 #D1C4E9
+    rectangle "Occupancy Permit Acquisition" as nest1_2 #FFEBEE
+    folder "Pre_fabrication" as nest1_3 #D1C4E9
+}
+usecase "Budget Tracking" as N0 #C8EDFF
+database "Equipment Mobilization" as N1 #C8EDFF
+usecase "Site Decontamination" as N2 #C8EDFF
+artifact "Landscape Design" as N3 #C8EDFF
+node "Concrete Pouring" as N4 #D1C4E9
+usecase "BIM Modeling" as N5 #D1C4E9
+frame "Drone Surveying" as N6 #D1C4E9
+folder "Robotics in Construction" as N7 #FFEBEE
+folder "Waste Management" as N8 #FFEBEE
+node "Foundation Laying" as N9 #D1C4E9
+circle " " as S0 #FFEBEE
+circle " " as S1 #D1C4E9
+circle " " as M0 #FFEBEE
+N0 ..[#82DAFF]..> N1
+N1 -[#82DAFF]-> N2
+N2 -[#E57373]-> N3
+N3 ..[#000000]..> N4
+N4 ..[#82DAFF]..> N5
+N5 -[#82DAFF]-> N6
+N6 -[#E57373]-> N7 : manages
+N7 -[#000000]-> N8
+N8 ..[#673AB7]..> N9
+nest0_0 ..[#673AB7]..> nest0_1 : audits
+N1 ..[#E57373]..> nest0_0
+nest0_1 -[#E57373]-> N3
+nest1_0 -[#82DAFF]-> nest1_1
+nest1_1 ..[#000000]..> nest1_2 : reports
+nest1_2 ..[#82DAFF]..> nest1_3
+N3 ..[#E57373]..> nest1_0
+nest1_3 ..[#673AB7]..> N2
+N6 ..[#000000]..> S0
+S0 ..[#000000]..> N8
+S0 ..[#82DAFF]..> N9
+N5 -[#673AB7]-> S1
+S1 -[#82DAFF]-> N7
+S1 -[#673AB7]-> N9
+S1 -[#E57373]-> N8 : grades
+N0 ..[#000000]..> M0
+N1 ..[#673AB7]..> M0
+M0 ..[#000000]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_83.txt b/test/plantuml/graph_hard/plantuml_83.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d6de657fcff0793e5cfc1680ce69058998a841e1
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_83.txt
@@ -0,0 +1,30 @@
+<BIM Modeling, connectedTo, Drone Surveying>
+<BIM Modeling, connectedTo, Foundation Laying>
+<BIM Modeling, connectedTo, Robotics in Construction>
+<BIM Modeling, grades, Waste Management>
+<Budget Tracking, connectedTo, Equipment Mobilization>
+<Budget Tracking, connectedTo, Waste Management>
+<Concrete Pouring, connectedTo, BIM Modeling>
+<Drone Surveying, connectedTo, Foundation Laying>
+<Drone Surveying, connectedTo, Waste Management>
+<Drone Surveying, manages, Robotics in Construction>
+<Equipment Mobilization, connectedTo, Risk Assessment>
+<Equipment Mobilization, connectedTo, Site Decontamination>
+<Equipment Mobilization, connectedTo, Waste Management>
+<Excavation, connectedTo, Road Construction>
+<Excavation, partOf, Project Scheduling>
+<Landscape Design, connectedTo, Concrete Pouring>
+<Landscape Design, connectedTo, Excavation>
+<Occupancy Permit Acquisition, connectedTo, Pre_fabrication>
+<Occupancy Permit Acquisition, partOf, Project Scheduling>
+<Pre_fabrication, connectedTo, Site Decontamination>
+<Pre_fabrication, partOf, Project Scheduling>
+<Risk Assessment, audits, Roofing Installation>
+<Risk Assessment, partOf, Structural Framing>
+<Road Construction, partOf, Project Scheduling>
+<Road Construction, reports, Occupancy Permit Acquisition>
+<Robotics in Construction, connectedTo, Waste Management>
+<Roofing Installation, connectedTo, Landscape Design>
+<Roofing Installation, partOf, Structural Framing>
+<Site Decontamination, connectedTo, Landscape Design>
+<Waste Management, connectedTo, Foundation Laying>
diff --git a/test/plantuml/graph_hard/plantuml_84.puml b/test/plantuml/graph_hard/plantuml_84.puml
new file mode 100644
index 0000000000000000000000000000000000000000..637eb16e1ad47d3f5cd0ba2edaa6a59e7e311f23
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_84.puml
@@ -0,0 +1,64 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Robotics in Construction" as Group0 #FFF3E0 {
+    artifact "Budget Tracking" as nest0_0 #C2E8E6
+    component "Site Planning" as nest0_1 #E4E0DF
+}
+rectangle "Safety Inspection" as Group1 #E0F2F1 {
+    node "Steel Erection" as nest1_0 #C2E8E6
+    rectangle "Interior Finishing" as nest1_1 #E4E0DF
+    component "Quality Assurance" as nest1_2 #C2E8E6
+}
+artifact "Pre_fabrication" as N0 #E4E0DF
+node "Sustainable Building Design" as N1 #C2E8E6
+usecase "Site Logistics" as N2 #FFF8E1
+node "Subcontractor Management" as N3 #C2E8E6
+folder "Roofing Installation" as N4 #E4E0DF
+frame "Facade Installation" as N5 #FFF8E1
+frame "Bridge Building" as N6 #C2E8E6
+frame "Waste Management" as N7 #FFF8E1
+folder "Post_Construction Handover" as N8 #E4E0DF
+circle " " as S0 #E4E0DF
+circle " " as S1 #E4E0DF
+circle " " as S2 #E4E0DF
+circle " " as M0 #C2E8E6
+circle " " as M1 #E4E0DF
+circle " " as M2 #FFF8E1
+N0 ..[#61CAC3]..> N1
+N1 -[#FFD54F]-> N2
+N2 ..[#FFD54F]..> N3
+N3 -[#BDAFA8]-> N4
+N4 -[#61CAC3]-> N5
+N5 ..[#BDAFA8]..> N6
+N6 -[#61CAC3]-> N7
+N7 -[#61CAC3]-> N8
+nest0_0 -[#FFD54F]-> nest0_1
+N1 -[#000000]-> nest0_0 : equips
+nest0_1 -[#BDAFA8]-> N7
+nest1_0 ..[#FFD54F]..> nest1_1 : renovates
+nest1_1 ..[#000000]..> nest1_2
+N4 ..[#BDAFA8]..> nest1_0
+nest1_2 ..[#FFD54F]..> N4
+N5 -[#61CAC3]-> S0
+S0 -[#FFD54F]-> N7 : supervises
+S0 -[#FFD54F]-> N8
+N4 ..[#BDAFA8]..> S1
+S1 ..[#61CAC3]..> N7
+S1 ..[#FFD54F]..> N8
+N1 -[#61CAC3]-> S2
+S2 ..[#61CAC3]..> N3
+S2 ..[#61CAC3]..> N4
+S2 -[#61CAC3]-> N6
+S2 ..[#BDAFA8]..> N8
+N0 ..[#FFD54F]..> M0
+N1 -[#BDAFA8]-> M0
+M0 ..[#BDAFA8]..> N3
+N2 ..[#BDAFA8]..> M1
+N1 ..[#BDAFA8]..> M1
+M1 ..[#BDAFA8]..> N4
+N0 -[#61CAC3]-> M2
+N2 -[#FFD54F]-> M2
+M2 ..[#BDAFA8]..> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_84.txt b/test/plantuml/graph_hard/plantuml_84.txt
new file mode 100644
index 0000000000000000000000000000000000000000..735d90d9ab9ffdc4bc38e6d7520d2e44ffdb0243
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_84.txt
@@ -0,0 +1,31 @@
+<Bridge Building, connectedTo, Waste Management>
+<Budget Tracking, connectedTo, Site Planning>
+<Budget Tracking, partOf, Robotics in Construction>
+<Facade Installation, connectedTo, Bridge Building>
+<Facade Installation, connectedTo, Post_Construction Handover>
+<Facade Installation, supervises, Waste Management>
+<Interior Finishing, connectedTo, Quality Assurance>
+<Interior Finishing, partOf, Safety Inspection>
+<Pre_fabrication, connectedTo, Roofing Installation>
+<Pre_fabrication, connectedTo, Subcontractor Management>
+<Pre_fabrication, connectedTo, Sustainable Building Design>
+<Quality Assurance, connectedTo, Roofing Installation>
+<Quality Assurance, partOf, Safety Inspection>
+<Roofing Installation, connectedTo, Facade Installation>
+<Roofing Installation, connectedTo, Post_Construction Handover>
+<Roofing Installation, connectedTo, Steel Erection>
+<Roofing Installation, connectedTo, Waste Management>
+<Site Logistics, connectedTo, Roofing Installation>
+<Site Logistics, connectedTo, Subcontractor Management>
+<Site Planning, connectedTo, Waste Management>
+<Site Planning, partOf, Robotics in Construction>
+<Steel Erection, partOf, Safety Inspection>
+<Steel Erection, renovates, Interior Finishing>
+<Subcontractor Management, connectedTo, Roofing Installation>
+<Sustainable Building Design, connectedTo, Bridge Building>
+<Sustainable Building Design, connectedTo, Post_Construction Handover>
+<Sustainable Building Design, connectedTo, Roofing Installation>
+<Sustainable Building Design, connectedTo, Site Logistics>
+<Sustainable Building Design, connectedTo, Subcontractor Management>
+<Sustainable Building Design, equips, Budget Tracking>
+<Waste Management, connectedTo, Post_Construction Handover>
diff --git a/test/plantuml/graph_hard/plantuml_85.puml b/test/plantuml/graph_hard/plantuml_85.puml
new file mode 100644
index 0000000000000000000000000000000000000000..4899d743829e4f21f305d8335a620f9d3259654b
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_85.puml
@@ -0,0 +1,75 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Platform Development" as Group0 #E3F2FD {
+    usecase "Talent Management" as nest0_0 #FFF9C4
+    frame "Cross_Platform Syndication" as nest0_1 #EDE7F6
+    frame "Live Streaming" as nest0_2 #FFF9C4
+    artifact "Event Organization" as nest0_3 #CFD8DC
+}
+rectangle "Print Layout" as Group1 #E0F2F1 {
+    database "Augmented Reality Experiences" as nest1_0 #EDE7F6
+    node "Film Production" as nest1_1 #FFF9C4
+}
+rectangle "Audience Segmentation" as N0 #CFD8DC
+component "Subscription Management" as N1 #EDE7F6
+frame "Editing" as N2 #EDE7F6
+component "Digital Marketing" as N3 #CFD8DC
+cloud "Scriptwriting" as N4 #FFF9C4
+rectangle "Game Streaming" as N5 #FFF9C4
+frame "Sound Design" as N6 #CFD8DC
+component "Crisis Communication" as N7 #FFF9C4
+artifact "Journalism" as N8 #CFD8DC
+component "Content Licensing" as N9 #EDE7F6
+node "Public Relations" as N10 #FFF9C4
+folder "Content Moderation" as N11 #EDE7F6
+frame "Distribution" as N12 #CFD8DC
+component "Podcast Production" as N13 #FFF9C4
+component "Broadcasting" as N14 #FFF9C4
+usecase "Content Creation" as N15 #CFD8DC
+database "Social Media Management" as N16 #FFF9C4
+circle " " as S0 #FFF9C4
+circle " " as S1 #CFD8DC
+circle " " as M0 #CFD8DC
+circle " " as M2 #FFF9C4
+N0 ..[#607D8B]..> N1
+N1 -[#607D8B]-> N2
+N2 ..[#000000]..> N3
+N3 ..[#000000]..> N4
+N4 -[#FFEB3B]-> N5
+N5 ..[#7E57C2]..> N6
+N6 -[#000000]-> N7
+N7 -[#607D8B]-> N8
+N8 ..[#607D8B]..> N9
+N9 -[#607D8B]-> N10
+N10 ..[#000000]..> N11
+N11 -[#FFEB3B]-> N12
+N12 ..[#000000]..> N13
+N13 ..[#607D8B]..> N14
+N14 ..[#7E57C2]..> N15
+N15 ..[#607D8B]..> N16
+nest0_0 ..[#607D8B]..> nest0_1
+nest0_1 -[#FFEB3B]-> nest0_2
+nest0_2 -[#FFEB3B]-> nest0_3
+N6 -[#7E57C2]-> nest0_0 : innovates
+nest0_3 -[#7E57C2]-> N1
+nest1_0 -[#000000]-> nest1_1
+N15 -[#7E57C2]-> nest1_0
+nest1_1 -[#607D8B]-> N5
+N7 ..[#607D8B]..> S0
+S0 ..[#000000]..> N12 : researches
+S0 ..[#000000]..> N9
+S0 ..[#000000]..> N16
+N6 -[#000000]-> S1
+S1 ..[#607D8B]..> N14
+S1 -[#607D8B]-> N13
+N4 ..[#000000]..> M0
+N10 -[#607D8B]-> M0
+N11 -[#000000]-> M0
+M0 -[#7E57C2]-> N15
+N10 -[#607D8B]-> M2
+N9 ..[#607D8B]..> M2
+N6 -[#000000]-> M2
+M2 ..[#607D8B]..> N15
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_85.txt b/test/plantuml/graph_hard/plantuml_85.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2344fe73e52bfe2f43b6dbc3f16b983233f8d98e
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_85.txt
@@ -0,0 +1,40 @@
+<Audience Segmentation, connectedTo, Subscription Management>
+<Augmented Reality Experiences, connectedTo, Film Production>
+<Augmented Reality Experiences, partOf, Print Layout>
+<Broadcasting, connectedTo, Content Creation>
+<Content Creation, connectedTo, Augmented Reality Experiences>
+<Content Creation, connectedTo, Social Media Management>
+<Content Licensing, connectedTo, Content Creation>
+<Content Licensing, connectedTo, Public Relations>
+<Content Moderation, connectedTo, Content Creation>
+<Content Moderation, connectedTo, Distribution>
+<Crisis Communication, connectedTo, Content Licensing>
+<Crisis Communication, connectedTo, Journalism>
+<Crisis Communication, connectedTo, Social Media Management>
+<Crisis Communication, researches, Distribution>
+<Cross_Platform Syndication, connectedTo, Live Streaming>
+<Cross_Platform Syndication, partOf, Platform Development>
+<Digital Marketing, connectedTo, Scriptwriting>
+<Distribution, connectedTo, Podcast Production>
+<Editing, connectedTo, Digital Marketing>
+<Event Organization, connectedTo, Subscription Management>
+<Event Organization, partOf, Platform Development>
+<Film Production, connectedTo, Game Streaming>
+<Film Production, partOf, Print Layout>
+<Game Streaming, connectedTo, Sound Design>
+<Journalism, connectedTo, Content Licensing>
+<Live Streaming, connectedTo, Event Organization>
+<Live Streaming, partOf, Platform Development>
+<Podcast Production, connectedTo, Broadcasting>
+<Public Relations, connectedTo, Content Creation>
+<Public Relations, connectedTo, Content Moderation>
+<Scriptwriting, connectedTo, Content Creation>
+<Scriptwriting, connectedTo, Game Streaming>
+<Sound Design, connectedTo, Broadcasting>
+<Sound Design, connectedTo, Content Creation>
+<Sound Design, connectedTo, Crisis Communication>
+<Sound Design, connectedTo, Podcast Production>
+<Sound Design, innovates, Talent Management>
+<Subscription Management, connectedTo, Editing>
+<Talent Management, connectedTo, Cross_Platform Syndication>
+<Talent Management, partOf, Platform Development>
diff --git a/test/plantuml/graph_hard/plantuml_86.puml b/test/plantuml/graph_hard/plantuml_86.puml
new file mode 100644
index 0000000000000000000000000000000000000000..072ce00b8c09bb74654e1664631ac261c5e92904
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_86.puml
@@ -0,0 +1,69 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Crisis Communication" as Group0 #FFF3E0 {
+    frame "Talent Management" as nest0_0 #FFF8E1
+    frame "Platform Development" as nest0_1 #FFF9D4
+    database "Content Moderation" as nest0_2 #FFF9D4
+}
+rectangle "Augmented Reality Experiences" as Group1 #FBE9E7 {
+    database "Editing" as nest1_0 #FFF9D4
+    usecase "Print Layout" as nest1_1 #FFF8E1
+}
+folder "Content Licensing" as N0 #CFD8DC
+component "Game Streaming" as N1 #FFF8E1
+node "Media Consumption Trends Analysis" as N2 #CFD8DC
+rectangle "Audience Segmentation" as N3 #FFF8E1
+cloud "Journalism" as N4 #CFD8DC
+database "Film Production" as N5 #FFF9D4
+cloud "Digital Marketing" as N6 #FFF8E1
+artifact "Audience Engagement" as N7 #CFD8DC
+usecase "Sound Design" as N8 #FFF9D4
+usecase "Copyright Management" as N9 #FFF9D4
+frame "Visual Effects" as N10 #CFD8DC
+rectangle "Advertising Sales" as N11 #CFD8DC
+folder "Analytics Reporting" as N12 #FFF9D4
+circle " " as S0 #FFF8E1
+circle " " as S1 #CFD8DC
+circle " " as S2 #FFF9D4
+circle " " as M0 #FFF8E1
+circle " " as M2 #FFF8E1
+N0 ..[#607D8B]..> N1 : complies
+N1 ..[#FFE69C]..> N2
+N2 -[#FFE69C]-> N3
+N3 -[#607D8B]-> N4
+N4 ..[#607D8B]..> N5
+N5 ..[#000000]..> N6
+N6 ..[#FFD54F]..> N7
+N7 -[#607D8B]-> N8
+N8 -[#FFD54F]-> N9
+N9 -[#607D8B]-> N10
+N10 ..[#607D8B]..> N11
+N11 ..[#000000]..> N12
+nest0_0 -[#FFD54F]-> nest0_1 : secures
+nest0_1 -[#FFE69C]-> nest0_2
+N4 -[#607D8B]-> nest0_0
+nest0_2 ..[#607D8B]..> N9
+nest1_0 -[#000000]-> nest1_1
+N3 -[#607D8B]-> nest1_0
+nest1_1 ..[#607D8B]..> N9
+N2 -[#000000]-> S0
+S0 ..[#607D8B]..> N6
+S0 -[#000000]-> N10
+S0 -[#FFE69C]-> N9
+N9 -[#607D8B]-> S1
+S1 ..[#FFE69C]..> N11
+S1 -[#FFE69C]-> N12
+N8 ..[#FFD54F]..> S2
+S2 ..[#FFD54F]..> N11
+S2 -[#FFD54F]-> N12
+N2 ..[#FFE69C]..> M0 : streams
+N0 ..[#607D8B]..> M0
+N3 ..[#FFE69C]..> M0
+M0 -[#000000]-> N5
+N0 ..[#607D8B]..> M2 : investigates
+N1 ..[#607D8B]..> M2
+N2 ..[#000000]..> M2
+M2 ..[#607D8B]..> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_86.txt b/test/plantuml/graph_hard/plantuml_86.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5bed8b8c33b149f20ff3e693a928c3430d5042c3
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_86.txt
@@ -0,0 +1,37 @@
+<Advertising Sales, connectedTo, Analytics Reporting>
+<Audience Engagement, connectedTo, Sound Design>
+<Audience Segmentation, connectedTo, Editing>
+<Audience Segmentation, connectedTo, Film Production>
+<Audience Segmentation, connectedTo, Journalism>
+<Content Licensing, complies, Game Streaming>
+<Content Licensing, connectedTo, Film Production>
+<Content Licensing, investigates, Journalism>
+<Content Moderation, connectedTo, Copyright Management>
+<Content Moderation, partOf, Crisis Communication>
+<Copyright Management, connectedTo, Advertising Sales>
+<Copyright Management, connectedTo, Analytics Reporting>
+<Copyright Management, connectedTo, Visual Effects>
+<Digital Marketing, connectedTo, Audience Engagement>
+<Editing, connectedTo, Print Layout>
+<Editing, partOf, Augmented Reality Experiences>
+<Film Production, connectedTo, Digital Marketing>
+<Game Streaming, connectedTo, Journalism>
+<Game Streaming, connectedTo, Media Consumption Trends Analysis>
+<Journalism, connectedTo, Film Production>
+<Journalism, connectedTo, Talent Management>
+<Media Consumption Trends Analysis, connectedTo, Audience Segmentation>
+<Media Consumption Trends Analysis, connectedTo, Copyright Management>
+<Media Consumption Trends Analysis, connectedTo, Digital Marketing>
+<Media Consumption Trends Analysis, connectedTo, Journalism>
+<Media Consumption Trends Analysis, connectedTo, Visual Effects>
+<Media Consumption Trends Analysis, streams, Film Production>
+<Platform Development, connectedTo, Content Moderation>
+<Platform Development, partOf, Crisis Communication>
+<Print Layout, connectedTo, Copyright Management>
+<Print Layout, partOf, Augmented Reality Experiences>
+<Sound Design, connectedTo, Advertising Sales>
+<Sound Design, connectedTo, Analytics Reporting>
+<Sound Design, connectedTo, Copyright Management>
+<Talent Management, partOf, Crisis Communication>
+<Talent Management, secures, Platform Development>
+<Visual Effects, connectedTo, Advertising Sales>
diff --git a/test/plantuml/graph_hard/plantuml_87.puml b/test/plantuml/graph_hard/plantuml_87.puml
new file mode 100644
index 0000000000000000000000000000000000000000..e08b5966bbdee75ea08fdd0795fd2212f5e436f7
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_87.puml
@@ -0,0 +1,78 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Game Streaming" as Group0 #F1F8E9 {
+    frame "Podcast Production" as nest0_0 #FFFDE0
+    usecase "Interactive Storytelling" as nest0_1 #ECEFF1
+}
+rectangle "Music Recording" as Group1 #E0F2F1 {
+    database "User Generated Content Curation" as nest1_0 #ECEFF1
+    usecase "Journalism" as nest1_1 #ECEFF1
+    component "Data Monetization" as nest1_2 #ECEFF1
+    usecase "Analytics Reporting" as nest1_3 #FFFDE0
+}
+usecase "Crisis Communication" as N0 #FFFDE0
+node "Audience Segmentation" as N1 #FFFDE0
+folder "Brand Partnerships" as N2 #FFFDE0
+artifact "Platform Development" as N3 #FFFDE0
+usecase "Live Streaming" as N4 #ECEFF1
+node "Media Consumption Trends Analysis" as N5 #E8EAF6
+database "Advertising Sales" as N6 #ECEFF1
+node "Film Production" as N7 #FFFDE0
+folder "Editing" as N8 #ECEFF1
+database "Digital Marketing" as N9 #FFFDE0
+folder "Scriptwriting" as N10 #FFFDE0
+database "Sound Design" as N11 #FFFDE0
+usecase "Visual Effects" as N12 #E8EAF6
+folder "Content Moderation" as N13 #ECEFF1
+component "Social Media Management" as N14 #E8EAF6
+cloud "Subscription Management" as N15 #FFFDE0
+circle " " as S0 #FFFDE0
+circle " " as S1 #E8EAF6
+circle " " as M0 #E8EAF6
+circle " " as M1 #E8EAF6
+circle " " as M2 #ECEFF1
+N0 -[#5C6BC0]-> N1
+N1 ..[#90A4AE]..> N2
+N2 -[#90A4AE]-> N3
+N3 ..[#FFF8A6]..> N4
+N4 ..[#FFF8A6]..> N5
+N5 -[#5C6BC0]-> N6
+N6 ..[#000000]..> N7
+N7 ..[#000000]..> N8
+N8 -[#000000]-> N9
+N9 ..[#90A4AE]..> N10
+N10 -[#000000]-> N11 : mixes
+N11 -[#5C6BC0]-> N12
+N12 ..[#000000]..> N13
+N13 ..[#5C6BC0]..> N14 : engages
+N14 -[#000000]-> N15
+nest0_0 ..[#5C6BC0]..> nest0_1
+N14 -[#000000]-> nest0_0
+nest0_1 ..[#FFF8A6]..> N10 : licenses
+nest1_0 -[#5C6BC0]-> nest1_1 : markets
+nest1_1 ..[#5C6BC0]..> nest1_2
+nest1_2 -[#5C6BC0]-> nest1_3
+N10 -[#5C6BC0]-> nest1_0
+nest1_3 -[#000000]-> N8
+N8 ..[#000000]..> S0
+S0 -[#FFF8A6]-> N11
+S0 -[#FFF8A6]-> N10
+S0 ..[#000000]..> N13
+N2 -[#5C6BC0]-> S1
+S1 -[#FFF8A6]-> N15 : analyzes
+S1 ..[#5C6BC0]..> N8
+S1 -[#FFF8A6]-> N12
+N5 -[#90A4AE]-> M0
+N10 ..[#000000]..> M0
+N12 -[#5C6BC0]-> M0
+M0 -[#FFF8A6]-> N14
+N2 ..[#FFF8A6]..> M1
+N1 -[#5C6BC0]-> M1
+N0 -[#000000]-> M1
+M1 -[#5C6BC0]-> N4
+N0 ..[#FFF8A6]..> M2
+N1 ..[#FFF8A6]..> M2
+M2 ..[#FFF8A6]..> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_87.txt b/test/plantuml/graph_hard/plantuml_87.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f067e7ef276a845b690d5ee1105e5b7aa7d146eb
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_87.txt
@@ -0,0 +1,43 @@
+<Advertising Sales, connectedTo, Film Production>
+<Analytics Reporting, connectedTo, Editing>
+<Analytics Reporting, partOf, Music Recording>
+<Audience Segmentation, connectedTo, Brand Partnerships>
+<Audience Segmentation, connectedTo, Live Streaming>
+<Audience Segmentation, connectedTo, Platform Development>
+<Brand Partnerships, analyzes, Subscription Management>
+<Brand Partnerships, connectedTo, Editing>
+<Brand Partnerships, connectedTo, Live Streaming>
+<Brand Partnerships, connectedTo, Platform Development>
+<Brand Partnerships, connectedTo, Visual Effects>
+<Content Moderation, engages, Social Media Management>
+<Crisis Communication, connectedTo, Audience Segmentation>
+<Crisis Communication, connectedTo, Live Streaming>
+<Crisis Communication, connectedTo, Platform Development>
+<Data Monetization, connectedTo, Analytics Reporting>
+<Data Monetization, partOf, Music Recording>
+<Digital Marketing, connectedTo, Scriptwriting>
+<Editing, connectedTo, Content Moderation>
+<Editing, connectedTo, Digital Marketing>
+<Editing, connectedTo, Scriptwriting>
+<Editing, connectedTo, Sound Design>
+<Film Production, connectedTo, Editing>
+<Interactive Storytelling, licenses, Scriptwriting>
+<Interactive Storytelling, partOf, Game Streaming>
+<Journalism, connectedTo, Data Monetization>
+<Journalism, partOf, Music Recording>
+<Live Streaming, connectedTo, Media Consumption Trends Analysis>
+<Media Consumption Trends Analysis, connectedTo, Advertising Sales>
+<Media Consumption Trends Analysis, connectedTo, Social Media Management>
+<Platform Development, connectedTo, Live Streaming>
+<Podcast Production, connectedTo, Interactive Storytelling>
+<Podcast Production, partOf, Game Streaming>
+<Scriptwriting, connectedTo, Social Media Management>
+<Scriptwriting, connectedTo, User Generated Content Curation>
+<Scriptwriting, mixes, Sound Design>
+<Social Media Management, connectedTo, Podcast Production>
+<Social Media Management, connectedTo, Subscription Management>
+<Sound Design, connectedTo, Visual Effects>
+<User Generated Content Curation, markets, Journalism>
+<User Generated Content Curation, partOf, Music Recording>
+<Visual Effects, connectedTo, Content Moderation>
+<Visual Effects, connectedTo, Social Media Management>
diff --git a/test/plantuml/graph_hard/plantuml_88.puml b/test/plantuml/graph_hard/plantuml_88.puml
new file mode 100644
index 0000000000000000000000000000000000000000..5c7af7bdb5befa76f866bbd73554a4fed59b6cad
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_88.puml
@@ -0,0 +1,88 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Delivery Service Coordination" as Group0 #E3F2FD {
+    rectangle "Restaurant Reservation System" as nest0_0 #D1C4E9
+    artifact "Regulatory Compliance" as nest0_1 #F9FBE7
+    artifact "Recipe Development" as nest0_2 #F9FBE7
+    folder "Food Packaging Design" as nest0_3 #FDFCEB
+}
+rectangle "Sensory Evaluation" as Group1 #E8F5E9 {
+    artifact "Ingredient Sourcing" as nest1_0 #D1C4E9
+    node "Ingredient Traceability" as nest1_1 #F9FBE7
+}
+rectangle "Customer Order Taking" as N0 #D1C4E9
+component "Brewing" as N1 #D1C4E9
+database "Branding and Marketing" as N2 #F9FBE7
+frame "Food Safety Inspection" as N3 #F9FBE7
+folder "Food Preparation" as N4 #D1C4E9
+component "Kitchen Hygiene" as N5 #D1C4E9
+folder "Product Shelf_Life Testing" as N6 #F9FBE7
+usecase "New Product Launch" as N7 #F9FBE7
+cloud "Catering Operations" as N8 #D1C4E9
+database "Storage Solutions" as N9 #F9FBE7
+rectangle "Supplier Management" as N10 #D1C4E9
+cloud "Distribution" as N11 #FDFCEB
+component "Restaurant Management" as N12 #FDFCEB
+node "Nutrition Analysis" as N13 #F9FBE7
+artifact "Waste Reduction" as N14 #D1C4E9
+cloud "Cuisine Innovation" as N15 #F9FBE7
+folder "Sustainable Sourcing" as N16 #F9FBE7
+circle " " as S0 #D1C4E9
+circle " " as S1 #F9FBE7
+circle " " as S2 #FDFCEB
+circle " " as M0 #D1C4E9
+circle " " as M1 #FDFCEB
+circle " " as M2 #FDFCEB
+N0 -[#000000]-> N1
+N1 ..[#673AB7]..> N2
+N2 ..[#673AB7]..> N3
+N3 -[#C0CA33]-> N4
+N4 ..[#000000]..> N5
+N5 ..[#673AB7]..> N6
+N6 ..[#000000]..> N7
+N7 -[#000000]-> N8
+N8 ..[#000000]..> N9
+N9 -[#000000]-> N10
+N10 -[#C0CA33]-> N11
+N11 ..[#673AB7]..> N12
+N12 -[#000000]-> N13
+N13 -[#673AB7]-> N14
+N14 ..[#EAEFA5]..> N15
+N15 ..[#EAEFA5]..> N16
+nest0_0 -[#000000]-> nest0_1
+nest0_1 -[#EAEFA5]-> nest0_2
+nest0_2 ..[#C0CA33]..> nest0_3
+N12 ..[#EAEFA5]..> nest0_0
+nest0_3 -[#C0CA33]-> N2
+nest1_0 ..[#000000]..> nest1_1
+N8 ..[#EAEFA5]..> nest1_0
+nest1_1 ..[#EAEFA5]..> N12
+N4 -[#C0CA33]-> S0
+S0 ..[#C0CA33]..> N7
+S0 ..[#673AB7]..> N15
+S0 -[#673AB7]-> N11
+N12 ..[#673AB7]..> S1
+S1 ..[#000000]..> N16
+S1 ..[#C0CA33]..> N14
+S1 -[#000000]-> N15
+N5 -[#C0CA33]-> S2
+S2 -[#000000]-> N13
+S2 -[#000000]-> N8
+S2 -[#673AB7]-> N14
+S2 -[#673AB7]-> N7
+N3 -[#C0CA33]-> M0
+N6 -[#000000]-> M0
+N4 -[#EAEFA5]-> M0
+M0 ..[#673AB7]..> N10
+N1 ..[#673AB7]..> M1
+N0 ..[#673AB7]..> M1
+N2 -[#EAEFA5]-> M1
+M1 ..[#EAEFA5]..> N4
+N4 -[#EAEFA5]-> M2
+N2 ..[#C0CA33]..> M2
+N3 -[#C0CA33]-> M2
+N0 -[#673AB7]-> M2
+M2 -[#EAEFA5]-> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_88.txt b/test/plantuml/graph_hard/plantuml_88.txt
new file mode 100644
index 0000000000000000000000000000000000000000..34264bb16af37448432aca26bf8033b2d2ccb00d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_88.txt
@@ -0,0 +1,50 @@
+<Branding and Marketing, connectedTo, Food Preparation>
+<Branding and Marketing, connectedTo, Food Safety Inspection>
+<Branding and Marketing, connectedTo, Product Shelf_Life Testing>
+<Brewing, connectedTo, Branding and Marketing>
+<Brewing, connectedTo, Food Preparation>
+<Catering Operations, connectedTo, Ingredient Sourcing>
+<Catering Operations, connectedTo, Storage Solutions>
+<Cuisine Innovation, connectedTo, Sustainable Sourcing>
+<Customer Order Taking, connectedTo, Brewing>
+<Customer Order Taking, connectedTo, Food Preparation>
+<Customer Order Taking, connectedTo, Product Shelf_Life Testing>
+<Distribution, connectedTo, Restaurant Management>
+<Food Packaging Design, connectedTo, Branding and Marketing>
+<Food Packaging Design, partOf, Delivery Service Coordination>
+<Food Preparation, connectedTo, Cuisine Innovation>
+<Food Preparation, connectedTo, Distribution>
+<Food Preparation, connectedTo, Kitchen Hygiene>
+<Food Preparation, connectedTo, New Product Launch>
+<Food Preparation, connectedTo, Product Shelf_Life Testing>
+<Food Preparation, connectedTo, Supplier Management>
+<Food Safety Inspection, connectedTo, Food Preparation>
+<Food Safety Inspection, connectedTo, Product Shelf_Life Testing>
+<Food Safety Inspection, connectedTo, Supplier Management>
+<Ingredient Sourcing, connectedTo, Ingredient Traceability>
+<Ingredient Sourcing, partOf, Sensory Evaluation>
+<Ingredient Traceability, connectedTo, Restaurant Management>
+<Ingredient Traceability, partOf, Sensory Evaluation>
+<Kitchen Hygiene, connectedTo, Catering Operations>
+<Kitchen Hygiene, connectedTo, New Product Launch>
+<Kitchen Hygiene, connectedTo, Nutrition Analysis>
+<Kitchen Hygiene, connectedTo, Product Shelf_Life Testing>
+<Kitchen Hygiene, connectedTo, Waste Reduction>
+<New Product Launch, connectedTo, Catering Operations>
+<Nutrition Analysis, connectedTo, Waste Reduction>
+<Product Shelf_Life Testing, connectedTo, New Product Launch>
+<Product Shelf_Life Testing, connectedTo, Supplier Management>
+<Recipe Development, connectedTo, Food Packaging Design>
+<Recipe Development, partOf, Delivery Service Coordination>
+<Regulatory Compliance, connectedTo, Recipe Development>
+<Regulatory Compliance, partOf, Delivery Service Coordination>
+<Restaurant Management, connectedTo, Cuisine Innovation>
+<Restaurant Management, connectedTo, Nutrition Analysis>
+<Restaurant Management, connectedTo, Restaurant Reservation System>
+<Restaurant Management, connectedTo, Sustainable Sourcing>
+<Restaurant Management, connectedTo, Waste Reduction>
+<Restaurant Reservation System, connectedTo, Regulatory Compliance>
+<Restaurant Reservation System, partOf, Delivery Service Coordination>
+<Storage Solutions, connectedTo, Supplier Management>
+<Supplier Management, connectedTo, Distribution>
+<Waste Reduction, connectedTo, Cuisine Innovation>
diff --git a/test/plantuml/graph_hard/plantuml_89.puml b/test/plantuml/graph_hard/plantuml_89.puml
new file mode 100644
index 0000000000000000000000000000000000000000..a7b63fca9f831df05c7e3e35650233b4a0e56743
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_89.puml
@@ -0,0 +1,83 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Quality Control" as Group0 #FBE9E7 {
+    database "Food Safety Inspection" as nest0_0 #ECCFF5
+    cloud "Sensory Evaluation" as nest0_1 #CFD8DC
+}
+rectangle "Storage Solutions" as Group1 #F1F8E9 {
+    folder "Branding and Marketing" as nest1_0 #DDCEDD
+    usecase "Food Waste Management System" as nest1_1 #CFD8DC
+    folder "Food Packaging Design" as nest1_2 #DDCEDD
+    folder "Beverage Production" as nest1_3 #CFD8DC
+}
+usecase "New Product Launch" as N0 #ECCFF5
+cloud "Cuisine Innovation" as N1 #CFD8DC
+rectangle "Sustainable Sourcing" as N2 #DDCEDD
+rectangle "Ingredient Traceability" as N3 #DDCEDD
+folder "Menu Planning" as N4 #ECCFF5
+usecase "Food Preservation" as N5 #CFD8DC
+artifact "Food Processing Automation" as N6 #ECCFF5
+usecase "Inventory Management" as N7 #CFD8DC
+folder "Catering Operations" as N8 #CFD8DC
+usecase "Nutrition Analysis" as N9 #DDCEDD
+folder "Product Shelf_Life Testing" as N10 #CFD8DC
+folder "Supplier Management" as N11 #DDCEDD
+folder "Restaurant Reservation System" as N12 #CFD8DC
+usecase "Recipe Development" as N13 #DDCEDD
+folder "Consumer Feedback Collection" as N14 #CFD8DC
+component "Kitchen Hygiene" as N15 #DDCEDD
+node "Dietary Requirement Accommodation" as N16 #DDCEDD
+usecase "Food Preparation" as N17 #ECCFF5
+circle " " as S0 #ECCFF5
+circle " " as S1 #DDCEDD
+circle " " as S2 #CFD8DC
+circle " " as M0 #CFD8DC
+circle " " as M1 #DDCEDD
+N0 ..[#000000]..> N1
+N1 -[#607D8B]-> N2
+N2 -[#CD8FF2]-> N3
+N3 -[#CD8FF2]-> N4
+N4 ..[#607D8B]..> N5
+N5 -[#CD8FF2]-> N6
+N6 -[#AF56A6]-> N7
+N7 -[#000000]-> N8
+N8 ..[#AF56A6]..> N9
+N9 ..[#CD8FF2]..> N10 : tests
+N10 -[#000000]-> N11
+N11 -[#AF56A6]-> N12
+N12 ..[#AF56A6]..> N13
+N13 -[#607D8B]-> N14
+N14 ..[#000000]..> N15
+N15 ..[#607D8B]..> N16
+N16 ..[#CD8FF2]..> N17
+nest0_0 -[#607D8B]-> nest0_1
+N14 ..[#CD8FF2]..> nest0_0
+nest0_1 ..[#000000]..> N10
+nest1_0 -[#607D8B]-> nest1_1
+nest1_1 ..[#000000]..> nest1_2
+nest1_2 -[#607D8B]-> nest1_3
+N1 ..[#000000]..> nest1_0
+nest1_3 ..[#CD8FF2]..> N12 : labels
+N7 -[#000000]-> S0
+S0 ..[#CD8FF2]..> N14 : certifies
+S0 ..[#AF56A6]..> N13
+S0 ..[#AF56A6]..> N12
+N6 ..[#000000]..> S1
+S1 ..[#000000]..> N12
+S1 -[#AF56A6]-> N10
+N2 ..[#607D8B]..> S2
+S2 -[#000000]-> N15
+S2 -[#000000]-> N14
+S2 ..[#CD8FF2]..> N8
+S2 -[#CD8FF2]-> N11 : promotes
+N4 -[#000000]-> M0
+N5 ..[#607D8B]..> M0
+N2 ..[#607D8B]..> M0
+N10 ..[#CD8FF2]..> M0
+M0 -[#CD8FF2]-> N13
+N2 -[#000000]-> M1
+N0 -[#000000]-> M1
+M1 -[#CD8FF2]-> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_89.txt b/test/plantuml/graph_hard/plantuml_89.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dc9d7bbaaec7ee14fb0c315c4331423042766075
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_89.txt
@@ -0,0 +1,46 @@
+<Beverage Production, labels, Restaurant Reservation System>
+<Beverage Production, partOf, Storage Solutions>
+<Branding and Marketing, connectedTo, Food Waste Management System>
+<Branding and Marketing, partOf, Storage Solutions>
+<Catering Operations, connectedTo, Nutrition Analysis>
+<Consumer Feedback Collection, connectedTo, Food Safety Inspection>
+<Consumer Feedback Collection, connectedTo, Kitchen Hygiene>
+<Cuisine Innovation, connectedTo, Branding and Marketing>
+<Cuisine Innovation, connectedTo, Sustainable Sourcing>
+<Dietary Requirement Accommodation, connectedTo, Food Preparation>
+<Food Packaging Design, connectedTo, Beverage Production>
+<Food Packaging Design, partOf, Storage Solutions>
+<Food Preservation, connectedTo, Food Processing Automation>
+<Food Preservation, connectedTo, Recipe Development>
+<Food Processing Automation, connectedTo, Inventory Management>
+<Food Processing Automation, connectedTo, Product Shelf_Life Testing>
+<Food Processing Automation, connectedTo, Restaurant Reservation System>
+<Food Safety Inspection, connectedTo, Sensory Evaluation>
+<Food Safety Inspection, partOf, Quality Control>
+<Food Waste Management System, connectedTo, Food Packaging Design>
+<Food Waste Management System, partOf, Storage Solutions>
+<Ingredient Traceability, connectedTo, Menu Planning>
+<Inventory Management, certifies, Consumer Feedback Collection>
+<Inventory Management, connectedTo, Catering Operations>
+<Inventory Management, connectedTo, Recipe Development>
+<Inventory Management, connectedTo, Restaurant Reservation System>
+<Kitchen Hygiene, connectedTo, Dietary Requirement Accommodation>
+<Menu Planning, connectedTo, Food Preservation>
+<Menu Planning, connectedTo, Recipe Development>
+<New Product Launch, connectedTo, Cuisine Innovation>
+<New Product Launch, connectedTo, Menu Planning>
+<Nutrition Analysis, tests, Product Shelf_Life Testing>
+<Product Shelf_Life Testing, connectedTo, Recipe Development>
+<Product Shelf_Life Testing, connectedTo, Supplier Management>
+<Recipe Development, connectedTo, Consumer Feedback Collection>
+<Restaurant Reservation System, connectedTo, Recipe Development>
+<Sensory Evaluation, connectedTo, Product Shelf_Life Testing>
+<Sensory Evaluation, partOf, Quality Control>
+<Supplier Management, connectedTo, Restaurant Reservation System>
+<Sustainable Sourcing, connectedTo, Catering Operations>
+<Sustainable Sourcing, connectedTo, Consumer Feedback Collection>
+<Sustainable Sourcing, connectedTo, Ingredient Traceability>
+<Sustainable Sourcing, connectedTo, Kitchen Hygiene>
+<Sustainable Sourcing, connectedTo, Menu Planning>
+<Sustainable Sourcing, connectedTo, Recipe Development>
+<Sustainable Sourcing, promotes, Supplier Management>
diff --git a/test/plantuml/graph_hard/plantuml_9.puml b/test/plantuml/graph_hard/plantuml_9.puml
new file mode 100644
index 0000000000000000000000000000000000000000..55854f9e00ac55598d5f05aa65612fd13b2ac163
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_9.puml
@@ -0,0 +1,77 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Yield Optimization" as Group0 #E8F5E9 {
+    folder "Painting" as nest0_0 #EFEBE9
+    rectangle "Supplier Qualification" as nest0_1 #FFF0CC
+    node "Parts Replacement" as nest0_2 #C5CAE9
+    folder "Tool Setup" as nest0_3 #C5CAE9
+}
+rectangle "Inventory Check" as Group1 #E0F2F1 {
+    artifact "Defect Analysis" as nest1_0 #EFEBE9
+    rectangle "Final Testing" as nest1_1 #C5CAE9
+    artifact "Work_in_Progress Monitoring" as nest1_2 #EFEBE9
+}
+component "Supply Chain Synchronization" as N0 #EFEBE9
+cloud "Serialization" as N1 #EFEBE9
+folder "Quality Control" as N2 #FFF0CC
+rectangle "Machine Calibration" as N3 #EFEBE9
+component "Design Review" as N4 #C5CAE9
+node "Procurement" as N5 #EFEBE9
+node "Workflow Optimization" as N6 #C5CAE9
+node "Production Scheduling" as N7 #EFEBE9
+component "Bills of Material Generation" as N8 #FFF0CC
+cloud "Raw Material" as N9 #FFF0CC
+cloud "Factory Layout Planning" as N10 #FFF0CC
+database "Ergonomics Assessment" as N11 #FFF0CC
+database "Automated Guided Vehicle Operation" as N12 #EFEBE9
+folder "Welding" as N13 #FFF0CC
+artifact "Product Design" as N14 #C5CAE9
+folder "Robotics Integration" as N15 #C5CAE9
+circle " " as S1 #FFF0CC
+circle " " as M0 #FFF0CC
+circle " " as M1 #EFEBE9
+circle " " as M2 #EFEBE9
+N0 ..[#A1887F]..> N1 : maintains
+N1 ..[#3F51B5]..> N2
+N2 -[#3F51B5]-> N3
+N3 -[#A1887F]-> N4
+N4 ..[#A1887F]..> N5 : inspects
+N5 ..[#3F51B5]..> N6
+N6 ..[#3F51B5]..> N7
+N7 ..[#3F51B5]..> N8
+N8 ..[#FFCC80]..> N9
+N9 ..[#000000]..> N10
+N10 -[#FFCC80]-> N11
+N11 -[#FFCC80]-> N12
+N12 ..[#3F51B5]..> N13
+N13 ..[#000000]..> N14
+N14 ..[#FFCC80]..> N15
+nest0_0 ..[#000000]..> nest0_1 : audits
+nest0_1 -[#3F51B5]-> nest0_2
+nest0_2 ..[#3F51B5]..> nest0_3
+N11 ..[#A1887F]..> nest0_0
+nest0_3 ..[#3F51B5]..> N5
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 -[#A1887F]-> nest1_2
+N8 -[#000000]-> nest1_0
+nest1_2 ..[#FFCC80]..> N4
+N1 -[#3F51B5]-> S1
+S1 ..[#A1887F]..> N11 : optimizes
+S1 ..[#A1887F]..> N12
+S1 ..[#A1887F]..> N4 : stores
+S1 -[#FFCC80]-> N7
+N0 ..[#FFCC80]..> M0
+N1 -[#FFCC80]-> M0 : disposes
+M0 ..[#000000]..> N3
+N1 ..[#3F51B5]..> M1
+N9 -[#3F51B5]-> M1
+N7 -[#3F51B5]-> M1
+N4 -[#000000]-> M1
+M1 -[#A1887F]-> N11
+N4 ..[#FFCC80]..> M2
+N7 ..[#000000]..> M2
+N2 ..[#000000]..> M2 : analyzes
+M2 ..[#A1887F]..> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_9.txt b/test/plantuml/graph_hard/plantuml_9.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fb5e9b8682de61ff5e32cef056ea0348b8fa1aaa
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_9.txt
@@ -0,0 +1,44 @@
+<Automated Guided Vehicle Operation, connectedTo, Welding>
+<Bills of Material Generation, connectedTo, Defect Analysis>
+<Bills of Material Generation, connectedTo, Raw Material>
+<Defect Analysis, connectedTo, Final Testing>
+<Defect Analysis, partOf, Inventory Check>
+<Design Review, connectedTo, Ergonomics Assessment>
+<Design Review, connectedTo, Raw Material>
+<Design Review, inspects, Procurement>
+<Ergonomics Assessment, connectedTo, Automated Guided Vehicle Operation>
+<Ergonomics Assessment, connectedTo, Painting>
+<Factory Layout Planning, connectedTo, Ergonomics Assessment>
+<Final Testing, connectedTo, Work_in_Progress Monitoring>
+<Final Testing, partOf, Inventory Check>
+<Machine Calibration, connectedTo, Design Review>
+<Painting, audits, Supplier Qualification>
+<Painting, partOf, Yield Optimization>
+<Parts Replacement, connectedTo, Tool Setup>
+<Parts Replacement, partOf, Yield Optimization>
+<Procurement, connectedTo, Workflow Optimization>
+<Product Design, connectedTo, Robotics Integration>
+<Production Scheduling, connectedTo, Bills of Material Generation>
+<Production Scheduling, connectedTo, Ergonomics Assessment>
+<Production Scheduling, connectedTo, Raw Material>
+<Quality Control, analyzes, Raw Material>
+<Quality Control, connectedTo, Machine Calibration>
+<Raw Material, connectedTo, Ergonomics Assessment>
+<Raw Material, connectedTo, Factory Layout Planning>
+<Serialization, connectedTo, Automated Guided Vehicle Operation>
+<Serialization, connectedTo, Ergonomics Assessment>
+<Serialization, connectedTo, Production Scheduling>
+<Serialization, connectedTo, Quality Control>
+<Serialization, disposes, Machine Calibration>
+<Serialization, optimizes, Ergonomics Assessment>
+<Serialization, stores, Design Review>
+<Supplier Qualification, connectedTo, Parts Replacement>
+<Supplier Qualification, partOf, Yield Optimization>
+<Supply Chain Synchronization, connectedTo, Machine Calibration>
+<Supply Chain Synchronization, maintains, Serialization>
+<Tool Setup, connectedTo, Procurement>
+<Tool Setup, partOf, Yield Optimization>
+<Welding, connectedTo, Product Design>
+<Work_in_Progress Monitoring, connectedTo, Design Review>
+<Work_in_Progress Monitoring, partOf, Inventory Check>
+<Workflow Optimization, connectedTo, Production Scheduling>
diff --git a/test/plantuml/graph_hard/plantuml_90.puml b/test/plantuml/graph_hard/plantuml_90.puml
new file mode 100644
index 0000000000000000000000000000000000000000..fa0d3c117a205b6cf1a8f44f74f0cfdc2673ef58
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_90.puml
@@ -0,0 +1,64 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Storage Solutions" as Group0 #F3E5F5 {
+    database "Sustainable Sourcing" as nest0_0 #F9FBE7
+    artifact "Food Processing Automation" as nest0_1 #FFF6D9
+    database "Food Waste Management System" as nest0_2 #C9EFEC
+    artifact "Product Shelf_Life Testing" as nest0_3 #FFF6D9
+}
+rectangle "Food Safety Inspection" as Group1 #ECEFF1 {
+    folder "Ingredient Traceability" as nest1_0 #F9FBE7
+    cloud "Sensory Evaluation" as nest1_1 #FFF6D9
+    component "Customer Order Taking" as nest1_2 #F9FBE7
+    folder "Cooking" as nest1_3 #C9EFEC
+}
+folder "Distribution" as N0 #FFF6D9
+frame "Waste Reduction" as N1 #C9EFEC
+component "Baking" as N2 #F9FBE7
+cloud "Regulatory Compliance" as N3 #C9EFEC
+component "Food Preparation" as N4 #FFF6D9
+rectangle "Service Delivery" as N5 #F9FBE7
+cloud "Brewing" as N6 #FFF6D9
+usecase "Ingredient Sourcing" as N7 #F9FBE7
+node "Food Preservation" as N8 #C9EFEC
+frame "Restaurant Reservation System" as N9 #C9EFEC
+circle " " as S0 #C9EFEC
+circle " " as S1 #FFF6D9
+circle " " as M1 #C9EFEC
+circle " " as M2 #C9EFEC
+N0 ..[#000000]..> N1
+N1 ..[#FFCC7A]..> N2
+N2 ..[#C0CA33]..> N3 : manufactures
+N3 ..[#C0CA33]..> N4
+N4 -[#000000]-> N5
+N5 -[#FFCC7A]-> N6
+N6 -[#C0CA33]-> N7
+N7 ..[#6FE1D5]..> N8
+N8 -[#000000]-> N9
+nest0_0 -[#000000]-> nest0_1
+nest0_1 ..[#6FE1D5]..> nest0_2
+nest0_2 -[#C0CA33]-> nest0_3
+N2 ..[#C0CA33]..> nest0_0
+nest0_3 -[#FFCC7A]-> N8
+nest1_0 -[#000000]-> nest1_1
+nest1_1 ..[#C0CA33]..> nest1_2
+nest1_2 ..[#000000]..> nest1_3
+N4 -[#C0CA33]-> nest1_0
+nest1_3 -[#000000]-> N1
+N6 ..[#6FE1D5]..> S0
+S0 -[#FFCC7A]-> N8
+S0 -[#000000]-> N9
+N5 -[#000000]-> S1
+S1 ..[#C0CA33]..> N9
+S1 ..[#000000]..> N7
+S1 ..[#FFCC7A]..> N8
+N4 -[#C0CA33]-> M1 : sanitizes
+N1 ..[#6FE1D5]..> M1 : preserves
+N6 -[#FFCC7A]-> M1
+M1 ..[#6FE1D5]..> N8
+N1 ..[#6FE1D5]..> M2 : transports
+N0 ..[#000000]..> M2
+M2 ..[#C0CA33]..> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_91.puml b/test/plantuml/graph_hard/plantuml_91.puml
new file mode 100644
index 0000000000000000000000000000000000000000..e528b57df84c06e1e8e81b05394b3c443ab1e8d2
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_91.puml
@@ -0,0 +1,73 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Venue Booking" as Group0 #ECEFF1 {
+    folder "Team Management" as nest0_0 #EDE7F6
+    usecase "Media Rights Negotiation" as nest0_1 #F1F8FF
+}
+rectangle "Sports Marketing" as Group1 #FFF3E0 {
+    folder "Merchandise Sales" as nest1_0 #E3F2FD
+    rectangle "Data Analytics in Sports" as nest1_1 #EDE7F6
+}
+component "Coaching" as N0 #E3F2FD
+frame "Sports Psychology" as N1 #EDE7F6
+frame "Refereeing" as N2 #EDE7F6
+folder "Sports Betting Regulation" as N3 #E3F2FD
+node "Training Session" as N4 #F1F8FF
+rectangle "Esports Event Management" as N5 #F1F8FF
+frame "Sponsorship Management" as N6 #EDE7F6
+frame "Fan Experience Enhancement" as N7 #E3F2FD
+component "Fan Club Management" as N8 #F1F8FF
+artifact "Fan Engagement" as N9 #EDE7F6
+folder "Sports Technology Integration" as N10 #F1F8FF
+folder "Community Sports Programs" as N11 #E3F2FD
+cloud "Accessibility in Sports Venues" as N12 #E3F2FD
+folder "Talent Scouting" as N13 #E3F2FD
+rectangle "League Management" as N14 #F1F8FF
+cloud "Game Strategy" as N15 #F1F8FF
+folder "Ticketing Sales" as N16 #E3F2FD
+rectangle "Player Recruitment" as N17 #E3F2FD
+circle " " as S0 #E3F2FD
+circle " " as S1 #EDE7F6
+circle " " as M0 #F1F8FF
+circle " " as M1 #EDE7F6
+N0 -[#9575CD]-> N1 : scouts
+N1 -[#9575CD]-> N2
+N2 -[#000000]-> N3
+N3 ..[#42A5F5]..> N4
+N4 ..[#000000]..> N5
+N5 ..[#9575CD]..> N6 : broadcasts
+N6 ..[#64B5F6]..> N7
+N7 ..[#9575CD]..> N8
+N8 ..[#42A5F5]..> N9
+N9 ..[#42A5F5]..> N10 : analyzes
+N10 -[#000000]-> N11
+N11 ..[#9575CD]..> N12
+N12 -[#42A5F5]-> N13
+N13 -[#9575CD]-> N14
+N14 -[#000000]-> N15
+N15 ..[#42A5F5]..> N16
+N16 -[#64B5F6]-> N17
+nest0_0 ..[#000000]..> nest0_1
+N10 -[#64B5F6]-> nest0_0
+nest0_1 -[#9575CD]-> N12
+nest1_0 ..[#64B5F6]..> nest1_1
+N5 -[#9575CD]-> nest1_0
+nest1_1 -[#000000]-> N14
+N9 ..[#64B5F6]..> S0
+S0 ..[#64B5F6]..> N16
+S0 -[#64B5F6]-> N13
+S0 ..[#64B5F6]..> N14
+N2 -[#000000]-> S1
+S1 -[#9575CD]-> N7 : equips
+S1 -[#42A5F5]-> N15
+S1 -[#42A5F5]-> N16
+N0 -[#9575CD]-> M0
+N4 -[#000000]-> M0 : advertises
+N3 ..[#42A5F5]..> M0
+M0 -[#000000]-> N8
+N0 -[#42A5F5]-> M1
+N8 -[#42A5F5]-> M1
+M1 -[#64B5F6]-> N17
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_91.txt b/test/plantuml/graph_hard/plantuml_91.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ffdefb0ee5107f27ec482195d19548f4b711c684
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_91.txt
@@ -0,0 +1,38 @@
+<Accessibility in Sports Venues, connectedTo, Talent Scouting>
+<Coaching, connectedTo, Fan Club Management>
+<Coaching, connectedTo, Player Recruitment>
+<Coaching, scouts, Sports Psychology>
+<Community Sports Programs, connectedTo, Accessibility in Sports Venues>
+<Data Analytics in Sports, connectedTo, League Management>
+<Data Analytics in Sports, partOf, Sports Marketing>
+<Esports Event Management, broadcasts, Sponsorship Management>
+<Esports Event Management, connectedTo, Merchandise Sales>
+<Fan Club Management, connectedTo, Fan Engagement>
+<Fan Club Management, connectedTo, Player Recruitment>
+<Fan Engagement, analyzes, Sports Technology Integration>
+<Fan Engagement, connectedTo, League Management>
+<Fan Engagement, connectedTo, Talent Scouting>
+<Fan Engagement, connectedTo, Ticketing Sales>
+<Fan Experience Enhancement, connectedTo, Fan Club Management>
+<Game Strategy, connectedTo, Ticketing Sales>
+<League Management, connectedTo, Game Strategy>
+<Media Rights Negotiation, connectedTo, Accessibility in Sports Venues>
+<Media Rights Negotiation, partOf, Venue Booking>
+<Merchandise Sales, connectedTo, Data Analytics in Sports>
+<Merchandise Sales, partOf, Sports Marketing>
+<Refereeing, connectedTo, Game Strategy>
+<Refereeing, connectedTo, Sports Betting Regulation>
+<Refereeing, connectedTo, Ticketing Sales>
+<Refereeing, equips, Fan Experience Enhancement>
+<Sponsorship Management, connectedTo, Fan Experience Enhancement>
+<Sports Betting Regulation, connectedTo, Fan Club Management>
+<Sports Betting Regulation, connectedTo, Training Session>
+<Sports Psychology, connectedTo, Refereeing>
+<Sports Technology Integration, connectedTo, Community Sports Programs>
+<Sports Technology Integration, connectedTo, Team Management>
+<Talent Scouting, connectedTo, League Management>
+<Team Management, connectedTo, Media Rights Negotiation>
+<Team Management, partOf, Venue Booking>
+<Ticketing Sales, connectedTo, Player Recruitment>
+<Training Session, advertises, Fan Club Management>
+<Training Session, connectedTo, Esports Event Management>
diff --git a/test/plantuml/graph_hard/plantuml_92.puml b/test/plantuml/graph_hard/plantuml_92.puml
new file mode 100644
index 0000000000000000000000000000000000000000..8c28fe2c605a39d3eb6594028d455e1bb89c87fd
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_92.puml
@@ -0,0 +1,67 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Ticketing Sales" as Group0 #F3E5F5 {
+    database "Sports Psychology" as nest0_0 #FAEBF3
+    usecase "Fan Engagement" as nest0_1 #B2EBF2
+    rectangle "Stadium Operations" as nest0_2 #B2EBF2
+}
+rectangle "Anti_Doping Control" as Group1 #FCE4EC {
+    node "Athlete Nutrition Planning" as nest1_0 #B2EBF2
+    folder "Sports Analytics" as nest1_1 #B2EBF2
+}
+component "Accessibility in Sports Venues" as N0 #FAEBF3
+folder "Youth Development Programs" as N1 #B2EBF2
+folder "Coaching" as N2 #FAEBF3
+artifact "Tournament Organization" as N3 #B2EBF2
+frame "Community Sports Programs" as N4 #FAEBF3
+cloud "Sports Marketing" as N5 #DACBE3
+folder "Match Play" as N6 #B2EBF2
+rectangle "Athlete Performance Tracking" as N7 #FAEBF3
+usecase "Player Transfer" as N8 #B2EBF2
+cloud "Fitness Conditioning" as N9 #DACBE3
+artifact "Injury Management" as N10 #B2EBF2
+folder "Scorekeeping" as N11 #DACBE3
+folder "Refereeing" as N12 #FAEBF3
+folder "Venue Booking" as N13 #DACBE3
+circle " " as S0 #FAEBF3
+circle " " as S1 #B2EBF2
+circle " " as S2 #FAEBF3
+circle " " as M1 #FAEBF3
+N0 -[#000000]-> N1
+N1 -[#00BCD4]-> N2
+N2 -[#A188D0]-> N3
+N3 ..[#000000]..> N4 : sponsors
+N4 ..[#F7BEE0]..> N5
+N5 -[#000000]-> N6
+N6 ..[#A188D0]..> N7
+N7 -[#F7BEE0]-> N8
+N8 -[#F7BEE0]-> N9
+N9 ..[#A188D0]..> N10
+N10 ..[#F7BEE0]..> N11
+N11 -[#00BCD4]-> N12
+N12 ..[#A188D0]..> N13
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 -[#F7BEE0]-> nest0_2
+N4 -[#F7BEE0]-> nest0_0
+nest0_2 ..[#000000]..> N1
+nest1_0 -[#A188D0]-> nest1_1 : coaches
+N11 -[#000000]-> nest1_0
+nest1_1 ..[#F7BEE0]..> N10
+N10 ..[#000000]..> S0
+S0 -[#000000]-> N13
+S0 -[#000000]-> N12 : markets
+N2 -[#000000]-> S1
+S1 ..[#000000]..> N5 : governs
+S1 -[#000000]-> N10
+N9 ..[#A188D0]..> S2
+S2 -[#A188D0]-> N13
+S2 ..[#F7BEE0]..> N11
+S2 ..[#F7BEE0]..> N12
+N2 ..[#F7BEE0]..> M1
+N3 -[#F7BEE0]-> M1 : broadcasts
+N0 ..[#000000]..> M1 : organizes
+N1 ..[#F7BEE0]..> M1
+M1 -[#F7BEE0]-> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_92.txt b/test/plantuml/graph_hard/plantuml_92.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e24ba782090822382ac6feed6af69e296f0495e5
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_92.txt
@@ -0,0 +1,36 @@
+<Accessibility in Sports Venues, connectedTo, Youth Development Programs>
+<Accessibility in Sports Venues, organizes, Sports Marketing>
+<Athlete Nutrition Planning, coaches, Sports Analytics>
+<Athlete Nutrition Planning, partOf, Anti_Doping Control>
+<Athlete Performance Tracking, connectedTo, Player Transfer>
+<Coaching, connectedTo, Injury Management>
+<Coaching, connectedTo, Sports Marketing>
+<Coaching, connectedTo, Tournament Organization>
+<Coaching, governs, Sports Marketing>
+<Community Sports Programs, connectedTo, Sports Marketing>
+<Community Sports Programs, connectedTo, Sports Psychology>
+<Fan Engagement, connectedTo, Stadium Operations>
+<Fan Engagement, partOf, Ticketing Sales>
+<Fitness Conditioning, connectedTo, Injury Management>
+<Fitness Conditioning, connectedTo, Refereeing>
+<Fitness Conditioning, connectedTo, Scorekeeping>
+<Fitness Conditioning, connectedTo, Venue Booking>
+<Injury Management, connectedTo, Scorekeeping>
+<Injury Management, connectedTo, Venue Booking>
+<Injury Management, markets, Refereeing>
+<Match Play, connectedTo, Athlete Performance Tracking>
+<Player Transfer, connectedTo, Fitness Conditioning>
+<Refereeing, connectedTo, Venue Booking>
+<Scorekeeping, connectedTo, Athlete Nutrition Planning>
+<Scorekeeping, connectedTo, Refereeing>
+<Sports Analytics, connectedTo, Injury Management>
+<Sports Analytics, partOf, Anti_Doping Control>
+<Sports Marketing, connectedTo, Match Play>
+<Sports Psychology, connectedTo, Fan Engagement>
+<Sports Psychology, partOf, Ticketing Sales>
+<Stadium Operations, connectedTo, Youth Development Programs>
+<Stadium Operations, partOf, Ticketing Sales>
+<Tournament Organization, broadcasts, Sports Marketing>
+<Tournament Organization, sponsors, Community Sports Programs>
+<Youth Development Programs, connectedTo, Coaching>
+<Youth Development Programs, connectedTo, Sports Marketing>
diff --git a/test/plantuml/graph_hard/plantuml_93.puml b/test/plantuml/graph_hard/plantuml_93.puml
new file mode 100644
index 0000000000000000000000000000000000000000..3429f2ab68cd0dac05906348cbce2c72c0e88af6
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_93.puml
@@ -0,0 +1,72 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Athlete Nutrition Planning" as Group0 #F3E5F5 {
+    folder "Injury Management" as nest0_0 #DFE7EB
+    database "Player Recruitment" as nest0_1 #D0EFEE
+    rectangle "Event Broadcasting" as nest0_2 #CFD8DC
+    artifact "Tournament Organization" as nest0_3 #DFE7EB
+}
+rectangle "Player Transfer" as Group1 #F1F8E9 {
+    folder "Game Strategy" as nest1_0 #D0EFEE
+    rectangle "Fitness Conditioning" as nest1_1 #D0EFEE
+    folder "Sports Analytics" as nest1_2 #CFD8DC
+}
+database "Match Play" as N0 #CFD8DC
+frame "Sports Technology Integration" as N1 #D0EFEE
+rectangle "Coaching" as N2 #CFD8DC
+database "Youth Development Programs" as N3 #CFD8DC
+folder "Esports Event Management" as N4 #CFD8DC
+artifact "Sports Marketing" as N5 #D0EFEE
+folder "Scorekeeping" as N6 #DFE7EB
+cloud "League Management" as N7 #DFE7EB
+component "Athlete Brand Management" as N8 #DFE7EB
+cloud "Sports Psychology" as N9 #DFE7EB
+cloud "Rule Enforcement" as N10 #D0EFEE
+circle " " as S0 #D0EFEE
+circle " " as S1 #DFE7EB
+circle " " as S2 #CFD8DC
+circle " " as M0 #CFD8DC
+circle " " as M1 #DFE7EB
+circle " " as M2 #D0EFEE
+N0 ..[#B0C5CD]..> N1
+N1 -[#000000]-> N2
+N2 ..[#73C6BC]..> N3 : responds
+N3 ..[#B0C5CD]..> N4
+N4 -[#73C6BC]-> N5 : wins
+N5 -[#73C6BC]-> N6
+N6 -[#000000]-> N7
+N7 ..[#B0C5CD]..> N8
+N8 -[#607D8B]-> N9 : advertises
+N9 ..[#000000]..> N10
+nest0_0 ..[#607D8B]..> nest0_1
+nest0_1 -[#B0C5CD]-> nest0_2
+nest0_2 -[#B0C5CD]-> nest0_3
+N9 -[#607D8B]-> nest0_0
+nest0_3 ..[#B0C5CD]..> N9
+nest1_0 ..[#000000]..> nest1_1
+nest1_1 -[#73C6BC]-> nest1_2
+N2 -[#607D8B]-> nest1_0
+nest1_2 -[#B0C5CD]-> N5
+N5 -[#607D8B]-> S0
+S0 -[#607D8B]-> N7
+S0 -[#73C6BC]-> N10
+S0 -[#000000]-> N8
+N3 -[#B0C5CD]-> S1
+S1 -[#000000]-> N6
+S1 ..[#B0C5CD]..> N8
+N7 ..[#607D8B]..> S2
+S2 -[#B0C5CD]-> N10
+S2 -[#B0C5CD]-> N9 : predicts
+N0 -[#607D8B]-> M0
+N2 -[#73C6BC]-> M0 : governs
+N1 ..[#000000]..> M0 : trains
+M0 -[#607D8B]-> N4
+N1 ..[#B0C5CD]..> M1
+N0 -[#73C6BC]-> M1
+M1 ..[#73C6BC]..> N3
+N2 -[#73C6BC]-> M2
+N0 -[#607D8B]-> M2 : regulates
+M2 -[#B0C5CD]-> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_93.txt b/test/plantuml/graph_hard/plantuml_93.txt
new file mode 100644
index 0000000000000000000000000000000000000000..372b99cd4aba520cde7df6bb1f630983dd4e050d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_93.txt
@@ -0,0 +1,40 @@
+<Athlete Brand Management, advertises, Sports Psychology>
+<Coaching, connectedTo, Game Strategy>
+<Coaching, connectedTo, Scorekeeping>
+<Coaching, governs, Esports Event Management>
+<Coaching, responds, Youth Development Programs>
+<Esports Event Management, wins, Sports Marketing>
+<Event Broadcasting, connectedTo, Tournament Organization>
+<Event Broadcasting, partOf, Athlete Nutrition Planning>
+<Fitness Conditioning, connectedTo, Sports Analytics>
+<Fitness Conditioning, partOf, Player Transfer>
+<Game Strategy, connectedTo, Fitness Conditioning>
+<Game Strategy, partOf, Player Transfer>
+<Injury Management, connectedTo, Player Recruitment>
+<Injury Management, partOf, Athlete Nutrition Planning>
+<League Management, connectedTo, Athlete Brand Management>
+<League Management, connectedTo, Rule Enforcement>
+<League Management, predicts, Sports Psychology>
+<Match Play, connectedTo, Esports Event Management>
+<Match Play, connectedTo, Sports Technology Integration>
+<Match Play, connectedTo, Youth Development Programs>
+<Match Play, regulates, Scorekeeping>
+<Player Recruitment, connectedTo, Event Broadcasting>
+<Player Recruitment, partOf, Athlete Nutrition Planning>
+<Scorekeeping, connectedTo, League Management>
+<Sports Analytics, connectedTo, Sports Marketing>
+<Sports Analytics, partOf, Player Transfer>
+<Sports Marketing, connectedTo, Athlete Brand Management>
+<Sports Marketing, connectedTo, League Management>
+<Sports Marketing, connectedTo, Rule Enforcement>
+<Sports Marketing, connectedTo, Scorekeeping>
+<Sports Psychology, connectedTo, Injury Management>
+<Sports Psychology, connectedTo, Rule Enforcement>
+<Sports Technology Integration, connectedTo, Coaching>
+<Sports Technology Integration, connectedTo, Youth Development Programs>
+<Sports Technology Integration, trains, Esports Event Management>
+<Tournament Organization, connectedTo, Sports Psychology>
+<Tournament Organization, partOf, Athlete Nutrition Planning>
+<Youth Development Programs, connectedTo, Athlete Brand Management>
+<Youth Development Programs, connectedTo, Esports Event Management>
+<Youth Development Programs, connectedTo, Scorekeeping>
diff --git a/test/plantuml/graph_hard/plantuml_94.puml b/test/plantuml/graph_hard/plantuml_94.puml
new file mode 100644
index 0000000000000000000000000000000000000000..f0eec5af4157373369f161b58e94f9bb85d67390
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_94.puml
@@ -0,0 +1,73 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Supply Chain Transparency" as Group0 #F1F8E9 {
+    artifact "E_commerce Management" as nest0_0 #FFFCE6
+    folder "Global Sourcing Strategy" as nest0_1 #FFCCBC
+}
+rectangle "Fabric Innovation" as Group1 #E0F2F1 {
+    node "Garment Fitting Session" as nest1_0 #FFFCE6
+    database "Retail Store Merchandising" as nest1_1 #FFCCBC
+    frame "Trend Research" as nest1_2 #FFCCBC
+}
+artifact "Fashion Show Production" as N0 #C5CAE9
+node "Ready_to_Wear Collection Launch" as N1 #FFFCE6
+component "Embroidery and Embellishment" as N2 #FFFCE6
+folder "Sample Creation" as N3 #C5CAE9
+frame "Custom Apparel Design" as N4 #FFFCE6
+artifact "Packaging" as N5 #FFFCE6
+cloud "Textile Manufacturing" as N6 #C5CAE9
+artifact "Color Palette Selection" as N7 #C5CAE9
+usecase "Product Photography" as N8 #C5CAE9
+cloud "Quality Check" as N9 #FFCCBC
+artifact "Brand Building" as N10 #FFFCE6
+database "Haute Couture Creation" as N11 #FFCCBC
+frame "Inventory Management" as N12 #FFCCBC
+node "Accessory Design" as N13 #C5CAE9
+frame "Brand Licensing" as N14 #FFFCE6
+rectangle "Distribution" as N15 #FFFCE6
+usecase "Customer Loyalty Programs" as N16 #FFCCBC
+frame "Return Processing" as N17 #C5CAE9
+node "Retail Sales" as N18 #C5CAE9
+cloud "Seasonal Collection Planning" as N19 #FFCCBC
+circle " " as S0 #FFCCBC
+circle " " as S1 #FFFCE6
+N0 ..[#FFF9AE]..> N1
+N1 -[#3F51B5]-> N2
+N2 ..[#FFF9AE]..> N3
+N3 ..[#FFF9AE]..> N4
+N4 -[#FF5722]-> N5 : inspects
+N5 ..[#FFF9AE]..> N6
+N6 ..[#3F51B5]..> N7
+N7 ..[#FFF9AE]..> N8
+N8 ..[#FF5722]..> N9
+N9 ..[#FFF9AE]..> N10
+N10 ..[#3F51B5]..> N11
+N11 -[#FFF9AE]-> N12
+N12 ..[#000000]..> N13
+N13 -[#FFF9AE]-> N14
+N14 ..[#3F51B5]..> N15
+N15 -[#000000]-> N16
+N16 -[#000000]-> N17
+N17 ..[#000000]..> N18
+N18 -[#3F51B5]-> N19
+nest0_0 ..[#000000]..> nest0_1
+N3 -[#FFF9AE]-> nest0_0
+nest0_1 -[#FF5722]-> N1
+nest1_0 -[#000000]-> nest1_1
+nest1_1 ..[#3F51B5]..> nest1_2
+N17 -[#FF5722]-> nest1_0
+nest1_2 ..[#FFF9AE]..> N15
+N12 ..[#FFF9AE]..> S0
+S0 ..[#FF5722]..> N18
+S0 ..[#FFF9AE]..> N16
+S0 -[#3F51B5]-> N19
+N14 -[#FF5722]-> S1
+S1 -[#000000]-> N19
+S1 ..[#FFF9AE]..> N16
+S1 ..[#000000]..> N17
+N8 ..[#FF5722]..> nest1_0
+N1 ..[#3F51B5]..> N18
+N1 ..[#FFF9AE]..> nest1_0
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_94.txt b/test/plantuml/graph_hard/plantuml_94.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0788eb94a93501c04642c8c9689920a5a6ed6d25
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_94.txt
@@ -0,0 +1,40 @@
+<Accessory Design, connectedTo, Brand Licensing>
+<Brand Building, connectedTo, Haute Couture Creation>
+<Brand Licensing, connectedTo, Customer Loyalty Programs>
+<Brand Licensing, connectedTo, Distribution>
+<Brand Licensing, connectedTo, Return Processing>
+<Brand Licensing, connectedTo, Seasonal Collection Planning>
+<Color Palette Selection, connectedTo, Product Photography>
+<Custom Apparel Design, inspects, Packaging>
+<Customer Loyalty Programs, connectedTo, Return Processing>
+<Distribution, connectedTo, Customer Loyalty Programs>
+<E_commerce Management, connectedTo, Global Sourcing Strategy>
+<E_commerce Management, partOf, Supply Chain Transparency>
+<Embroidery and Embellishment, connectedTo, Sample Creation>
+<Fashion Show Production, connectedTo, Ready_to_Wear Collection Launch>
+<Garment Fitting Session, connectedTo, Retail Store Merchandising>
+<Garment Fitting Session, partOf, Fabric Innovation>
+<Global Sourcing Strategy, connectedTo, Ready_to_Wear Collection Launch>
+<Global Sourcing Strategy, partOf, Supply Chain Transparency>
+<Haute Couture Creation, connectedTo, Inventory Management>
+<Inventory Management, connectedTo, Accessory Design>
+<Inventory Management, connectedTo, Customer Loyalty Programs>
+<Inventory Management, connectedTo, Retail Sales>
+<Inventory Management, connectedTo, Seasonal Collection Planning>
+<Packaging, connectedTo, Textile Manufacturing>
+<Product Photography, connectedTo, Garment Fitting Session>
+<Product Photography, connectedTo, Quality Check>
+<Quality Check, connectedTo, Brand Building>
+<Ready_to_Wear Collection Launch, connectedTo, Embroidery and Embellishment>
+<Ready_to_Wear Collection Launch, connectedTo, Garment Fitting Session>
+<Ready_to_Wear Collection Launch, connectedTo, Retail Sales>
+<Retail Sales, connectedTo, Seasonal Collection Planning>
+<Retail Store Merchandising, connectedTo, Trend Research>
+<Retail Store Merchandising, partOf, Fabric Innovation>
+<Return Processing, connectedTo, Garment Fitting Session>
+<Return Processing, connectedTo, Retail Sales>
+<Sample Creation, connectedTo, Custom Apparel Design>
+<Sample Creation, connectedTo, E_commerce Management>
+<Textile Manufacturing, connectedTo, Color Palette Selection>
+<Trend Research, connectedTo, Distribution>
+<Trend Research, partOf, Fabric Innovation>
diff --git a/test/plantuml/graph_hard/plantuml_95.txt b/test/plantuml/graph_hard/plantuml_95.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c10a2b9fff1fddd97455eb0942b9a184796ed0fe
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_95.txt
@@ -0,0 +1,43 @@
+<Brand Licensing, connectedTo, Retail Store Merchandising>
+<Brand Licensing, partOf, Return Processing>
+<Custom Apparel Design, connectedTo, Embroidery and Embellishment>
+<Custom Apparel Design, partOf, Garment Fitting Session>
+<Customer Loyalty Programs, connectedTo, Fabric Innovation>
+<Customer Loyalty Programs, connectedTo, Intellectual Property Protection>
+<Customer Loyalty Programs, connectedTo, Quality Check>
+<Customer Loyalty Programs, connectedTo, Textile Manufacturing>
+<Distribution, connectedTo, Fabric Innovation>
+<Distribution, connectedTo, Footwear Production>
+<Distribution, connectedTo, Material Sourcing>
+<Distribution, connectedTo, Packaging>
+<Distribution, connectedTo, Quality Check>
+<Embroidery and Embellishment, connectedTo, Product Photography>
+<Embroidery and Embellishment, partOf, Garment Fitting Session>
+<Fabric Innovation, connectedTo, Footwear Production>
+<Fabric Innovation, connectedTo, Supply Chain Transparency>
+<Fashion Show Production, connectedTo, Customer Loyalty Programs>
+<Global Sourcing Strategy, connectedTo, Marketing Campaign>
+<Global Sourcing Strategy, connectedTo, Packaging>
+<Intellectual Property Protection, connectedTo, Distribution>
+<Intellectual Property Protection, connectedTo, Global Sourcing Strategy>
+<Intellectual Property Protection, connectedTo, Marketing Campaign>
+<Intellectual Property Protection, connectedTo, Textile Manufacturing>
+<Inventory Management, connectedTo, Brand Licensing>
+<Inventory Management, partOf, Return Processing>
+<Marketing Campaign, connectedTo, Footwear Production>
+<Material Sourcing, connectedTo, Custom Apparel Design>
+<Material Sourcing, connectedTo, Marketing Campaign>
+<Packaging, connectedTo, Ready_to_Wear Collection Launch>
+<Packaging, connectedTo, Textile Manufacturing>
+<Product Photography, connectedTo, Marketing Campaign>
+<Product Photography, partOf, Garment Fitting Session>
+<Quality Check, connectedTo, Material Sourcing>
+<Ready_to_Wear Collection Launch, connectedTo, Inventory Management>
+<Ready_to_Wear Collection Launch, partOf, Return Processing>
+<Retail Sales, connectedTo, Fashion Show Production>
+<Retail Sales, connectedTo, Marketing Campaign>
+<Retail Store Merchandising, connectedTo, Quality Check>
+<Retail Store Merchandising, partOf, Return Processing>
+<Supply Chain Transparency, connectedTo, Global Sourcing Strategy>
+<Supply Chain Transparency, connectedTo, Marketing Campaign>
+<Textile Manufacturing, connectedTo, Quality Check>
diff --git a/test/plantuml/graph_hard/plantuml_96.puml b/test/plantuml/graph_hard/plantuml_96.puml
new file mode 100644
index 0000000000000000000000000000000000000000..5b14baa7f581ed6e553eccaeaca85c71005368b3
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_96.puml
@@ -0,0 +1,73 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "PR and Media Outreach" as Group0 #FCE4EC {
+    component "Packaging" as nest0_0 #E1BEE7
+    cloud "Retail Sales" as nest0_1 #FDFCEB
+}
+rectangle "Embroidery and Embellishment" as Group1 #E8F5E9 {
+    rectangle "Fashion Show Production" as nest1_0 #FDFCEB
+    usecase "Brand Building" as nest1_1 #E1BEE7
+}
+folder "Textile Manufacturing" as N0 #FDFCEB
+cloud "Wholesale Distribution" as N1 #FFCDD2
+artifact "Retail Store Merchandising" as N2 #FFCDD2
+component "Global Sourcing Strategy" as N3 #E1BEE7
+frame "Return Processing" as N4 #FFCDD2
+frame "Sustainable Fashion Practices" as N5 #FFCDD2
+usecase "Seasonal Collection Planning" as N6 #E1BEE7
+rectangle "Customer Feedback Analysis" as N7 #FFCDD2
+component "Quality Check" as N8 #FDFCEB
+node "Haute Couture Creation" as N9 #E1BEE7
+component "Fabric Innovation" as N10 #FFCDD2
+artifact "Footwear Production" as N11 #FFCDD2
+folder "Sample Creation" as N12 #FDFCEB
+frame "Influencer Collaboration" as N13 #FFCDD2
+frame "Distribution" as N14 #FDFCEB
+artifact "Brand Licensing" as N15 #FDFCEB
+cloud "Intellectual Property Protection" as N16 #FFCDD2
+circle " " as S0 #FFCDD2
+circle " " as S1 #E1BEE7
+circle " " as S2 #FFCDD2
+circle " " as M1 #FDFCEB
+N0 ..[#EAEFA5]..> N1
+N1 ..[#EAEFA5]..> N2
+N2 ..[#F44336]..> N3
+N3 -[#9C27B0]-> N4
+N4 -[#000000]-> N5
+N5 -[#F44336]-> N6
+N6 -[#9C27B0]-> N7
+N7 -[#9C27B0]-> N8
+N8 -[#9C27B0]-> N9 : manufactures
+N9 ..[#9C27B0]..> N10
+N10 -[#000000]-> N11 : complies
+N11 ..[#9C27B0]..> N12
+N12 -[#9C27B0]-> N13 : photographs
+N13 ..[#9C27B0]..> N14
+N14 -[#EAEFA5]-> N15
+N15 ..[#9C27B0]..> N16
+nest0_0 ..[#000000]..> nest0_1
+N11 ..[#000000]..> nest0_0
+nest0_1 -[#F44336]-> N1 : videos
+nest1_0 ..[#000000]..> nest1_1
+N15 -[#EAEFA5]-> nest1_0 : manages
+nest1_1 ..[#F44336]..> N10 : optimizes
+N3 -[#F44336]-> S0
+S0 ..[#9C27B0]..> N12
+S0 ..[#9C27B0]..> N13
+S0 -[#EAEFA5]-> N8
+S0 ..[#F44336]..> N15
+N8 ..[#F44336]..> S1
+S1 -[#EAEFA5]-> N14
+S1 ..[#9C27B0]..> N13
+S1 -[#F44336]-> N12
+N9 -[#EAEFA5]-> S2
+S2 -[#EAEFA5]-> N16
+S2 ..[#9C27B0]..> N13
+S2 -[#F44336]-> N15
+S2 ..[#EAEFA5]..> N11
+N6 -[#000000]-> M1
+N1 ..[#F44336]..> M1
+M1 -[#EAEFA5]-> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_96.txt b/test/plantuml/graph_hard/plantuml_96.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e115bc992b2026d47a2bd6efd00f666e6da592ce
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_96.txt
@@ -0,0 +1,39 @@
+<Brand Building, optimizes, Fabric Innovation>
+<Brand Building, partOf, Embroidery and Embellishment>
+<Brand Licensing, connectedTo, Intellectual Property Protection>
+<Brand Licensing, manages, Fashion Show Production>
+<Customer Feedback Analysis, connectedTo, Quality Check>
+<Distribution, connectedTo, Brand Licensing>
+<Fabric Innovation, complies, Footwear Production>
+<Fashion Show Production, connectedTo, Brand Building>
+<Fashion Show Production, partOf, Embroidery and Embellishment>
+<Footwear Production, connectedTo, Packaging>
+<Footwear Production, connectedTo, Sample Creation>
+<Global Sourcing Strategy, connectedTo, Brand Licensing>
+<Global Sourcing Strategy, connectedTo, Influencer Collaboration>
+<Global Sourcing Strategy, connectedTo, Quality Check>
+<Global Sourcing Strategy, connectedTo, Return Processing>
+<Global Sourcing Strategy, connectedTo, Sample Creation>
+<Haute Couture Creation, connectedTo, Brand Licensing>
+<Haute Couture Creation, connectedTo, Fabric Innovation>
+<Haute Couture Creation, connectedTo, Footwear Production>
+<Haute Couture Creation, connectedTo, Influencer Collaboration>
+<Haute Couture Creation, connectedTo, Intellectual Property Protection>
+<Influencer Collaboration, connectedTo, Distribution>
+<Packaging, connectedTo, Retail Sales>
+<Packaging, partOf, PR and Media Outreach>
+<Quality Check, connectedTo, Distribution>
+<Quality Check, connectedTo, Influencer Collaboration>
+<Quality Check, connectedTo, Sample Creation>
+<Quality Check, manufactures, Haute Couture Creation>
+<Retail Sales, partOf, PR and Media Outreach>
+<Retail Sales, videos, Wholesale Distribution>
+<Retail Store Merchandising, connectedTo, Global Sourcing Strategy>
+<Return Processing, connectedTo, Sustainable Fashion Practices>
+<Sample Creation, photographs, Influencer Collaboration>
+<Seasonal Collection Planning, connectedTo, Customer Feedback Analysis>
+<Seasonal Collection Planning, connectedTo, Haute Couture Creation>
+<Sustainable Fashion Practices, connectedTo, Seasonal Collection Planning>
+<Textile Manufacturing, connectedTo, Wholesale Distribution>
+<Wholesale Distribution, connectedTo, Haute Couture Creation>
+<Wholesale Distribution, connectedTo, Retail Store Merchandising>
diff --git a/test/plantuml/graph_hard/plantuml_97.puml b/test/plantuml/graph_hard/plantuml_97.puml
new file mode 100644
index 0000000000000000000000000000000000000000..15f3099b1be4738f9ff4a6ab8399346943241b47
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_97.puml
@@ -0,0 +1,69 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Work_Life Balance Initiatives" as Group0 #F1F8E9 {
+    node "Payroll Processing" as nest0_0 #FCE4EC
+    folder "Employee Relations" as nest0_1 #E0F2F1
+    usecase "Succession Planning" as nest0_2 #E9F7E8
+    artifact "Employee Training" as nest0_3 #FCE4EC
+}
+rectangle "Talent Management" as Group1 #F3E5F5 {
+    cloud "Employee Engagement Surveys" as nest1_0 #FCE4EC
+    database "Employee Recognition Programs" as nest1_1 #E9F7E8
+    folder "Conflict Resolution" as nest1_2 #FCE4EC
+}
+frame "Exit Interviews" as N0 #E9F7E8
+node "Organizational Development" as N1 #E9F7E8
+folder "Onboarding Process" as N2 #E9F7E8
+folder "Union Negotiations" as N3 #E0F2F1
+usecase "HR Policy Development" as N4 #FCE4EC
+node "Wellness Programs" as N5 #E0F2F1
+cloud "Team Building Activities" as N6 #E9F7E8
+artifact "Health and Safety Management" as N7 #FCE4EC
+artifact "Job Posting" as N8 #E0F2F1
+circle " " as S0 #FCE4EC
+circle " " as S1 #E9F7E8
+circle " " as M0 #FCE4EC
+circle " " as M1 #E0F2F1
+circle " " as M2 #E0F2F1
+N0 -[#E91E63]-> N1
+N1 ..[#4DB6AC]..> N2
+N2 -[#E91E63]-> N3
+N3 -[#4DB6AC]-> N4
+N4 ..[#000000]..> N5
+N5 -[#E91E63]-> N6
+N6 -[#E91E63]-> N7
+N7 ..[#000000]..> N8 : develops
+nest0_0 ..[#6EB76D]..> nest0_1
+nest0_1 ..[#6EB76D]..> nest0_2
+nest0_2 ..[#E91E63]..> nest0_3
+N4 -[#000000]-> nest0_0
+nest0_3 ..[#6EB76D]..> N5
+nest1_0 -[#4DB6AC]-> nest1_1
+nest1_1 ..[#4DB6AC]..> nest1_2
+N7 ..[#4DB6AC]..> nest1_0
+nest1_2 ..[#E91E63]..> N7
+N3 ..[#000000]..> S0
+S0 -[#6EB76D]-> N7
+S0 ..[#E91E63]..> N6
+S0 ..[#000000]..> N5
+N1 ..[#6EB76D]..> S1
+S1 -[#6EB76D]-> N3
+S1 ..[#6EB76D]..> N7
+S1 ..[#6EB76D]..> N8
+S1 -[#6EB76D]-> N4 : trains
+N4 ..[#4DB6AC]..> M0
+N0 ..[#E91E63]..> M0
+N2 -[#000000]-> M0
+M0 -[#000000]-> N8
+N0 ..[#E91E63]..> M1
+N1 -[#000000]-> M1
+N2 ..[#000000]..> M1
+M1 ..[#E91E63]..> N4
+N1 -[#4DB6AC]-> M2 : automates
+N0 -[#6EB76D]-> M2
+N4 -[#6EB76D]-> M2
+N2 ..[#6EB76D]..> M2
+M2 ..[#6EB76D]..> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_97.txt b/test/plantuml/graph_hard/plantuml_97.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f220b77101f122f39f2586fafef5cdb476235be2
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_97.txt
@@ -0,0 +1,41 @@
+<Conflict Resolution, connectedTo, Health and Safety Management>
+<Conflict Resolution, partOf, Talent Management>
+<Employee Engagement Surveys, connectedTo, Employee Recognition Programs>
+<Employee Engagement Surveys, partOf, Talent Management>
+<Employee Recognition Programs, connectedTo, Conflict Resolution>
+<Employee Recognition Programs, partOf, Talent Management>
+<Employee Relations, connectedTo, Succession Planning>
+<Employee Relations, partOf, Work_Life Balance Initiatives>
+<Employee Training, connectedTo, Wellness Programs>
+<Employee Training, partOf, Work_Life Balance Initiatives>
+<Exit Interviews, connectedTo, HR Policy Development>
+<Exit Interviews, connectedTo, Health and Safety Management>
+<Exit Interviews, connectedTo, Job Posting>
+<Exit Interviews, connectedTo, Organizational Development>
+<HR Policy Development, connectedTo, Health and Safety Management>
+<HR Policy Development, connectedTo, Job Posting>
+<HR Policy Development, connectedTo, Payroll Processing>
+<HR Policy Development, connectedTo, Wellness Programs>
+<Health and Safety Management, connectedTo, Employee Engagement Surveys>
+<Health and Safety Management, develops, Job Posting>
+<Onboarding Process, connectedTo, HR Policy Development>
+<Onboarding Process, connectedTo, Health and Safety Management>
+<Onboarding Process, connectedTo, Job Posting>
+<Onboarding Process, connectedTo, Union Negotiations>
+<Organizational Development, automates, Health and Safety Management>
+<Organizational Development, connectedTo, HR Policy Development>
+<Organizational Development, connectedTo, Health and Safety Management>
+<Organizational Development, connectedTo, Job Posting>
+<Organizational Development, connectedTo, Onboarding Process>
+<Organizational Development, connectedTo, Union Negotiations>
+<Organizational Development, trains, HR Policy Development>
+<Payroll Processing, connectedTo, Employee Relations>
+<Payroll Processing, partOf, Work_Life Balance Initiatives>
+<Succession Planning, connectedTo, Employee Training>
+<Succession Planning, partOf, Work_Life Balance Initiatives>
+<Team Building Activities, connectedTo, Health and Safety Management>
+<Union Negotiations, connectedTo, HR Policy Development>
+<Union Negotiations, connectedTo, Health and Safety Management>
+<Union Negotiations, connectedTo, Team Building Activities>
+<Union Negotiations, connectedTo, Wellness Programs>
+<Wellness Programs, connectedTo, Team Building Activities>
diff --git a/test/plantuml/graph_hard/plantuml_98.puml b/test/plantuml/graph_hard/plantuml_98.puml
new file mode 100644
index 0000000000000000000000000000000000000000..a62d530a4e2bd9b6c2ac126e6d73b4fd2c8b3352
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_98.puml
@@ -0,0 +1,71 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Employee Handbook Creation" as Group0 #E3F2FD {
+    frame "Employee Engagement Surveys" as nest0_0 #FFFDE0
+    rectangle "Performance Appraisal" as nest0_1 #FFFDE0
+    frame "Workforce Planning" as nest0_2 #FFFDE7
+    usecase "Conflict Resolution" as nest0_3 #E8EAF6
+}
+rectangle "Employee Relations" as Group1 #E8F5E9 {
+    node "Compensation and Benefits" as nest1_0 #FFFDE7
+    folder "Exit Interviews" as nest1_1 #FFFDE0
+    frame "Talent Management" as nest1_2 #FFFDE7
+}
+component "Diversity and Inclusion Initiatives" as N0 #FFFDE0
+folder "Interview Scheduling" as N1 #E8EAF6
+node "Leave Management" as N2 #FFFDE7
+folder "Remote Work Policy" as N3 #FFFDE7
+frame "Succession Planning" as N4 #FFFDE7
+frame "Union Negotiations" as N5 #FFFDE7
+folder "Grievance Handling" as N6 #FFFDE7
+component "Recruitment Planning" as N7 #E8EAF6
+component "Candidate Sourcing" as N8 #FFFDE0
+folder "Team Building Activities" as N9 #FFFDE7
+cloud "Disciplinary Procedures" as N10 #E8EAF6
+usecase "Job Posting" as N11 #E8EAF6
+usecase "Global Mobility Programs" as N12 #FFFDE7
+database "Health and Safety Management" as N13 #E8EAF6
+artifact "Organizational Development" as N14 #FFFDE0
+circle " " as S1 #E8EAF6
+circle " " as M0 #FFFDE0
+circle " " as M1 #FFFDE0
+N0 -[#FFF8A6]-> N1
+N1 -[#FBC02D]-> N2
+N2 ..[#FBC02D]..> N3
+N3 ..[#FFF8A6]..> N4
+N4 ..[#FBC02D]..> N5
+N5 ..[#5C6BC0]..> N6
+N6 -[#5C6BC0]-> N7
+N7 -[#FFF8A6]-> N8
+N8 ..[#000000]..> N9
+N9 -[#000000]-> N10 : audits
+N10 -[#FBC02D]-> N11
+N11 -[#FBC02D]-> N12
+N12 ..[#000000]..> N13 : reports
+N13 ..[#FBC02D]..> N14
+nest0_0 -[#FBC02D]-> nest0_1
+nest0_1 ..[#5C6BC0]..> nest0_2
+nest0_2 ..[#000000]..> nest0_3
+N3 -[#000000]-> nest0_0 : surveys
+nest0_3 -[#000000]-> N4
+nest1_0 ..[#FBC02D]..> nest1_1
+nest1_1 -[#5C6BC0]-> nest1_2
+N10 ..[#FBC02D]..> nest1_0 : benefits
+nest1_2 ..[#000000]..> N11
+N8 ..[#FFF8A6]..> S1
+S1 ..[#FBC02D]..> N12
+S1 ..[#5C6BC0]..> N11
+S1 -[#FBC02D]-> N10
+S1 ..[#5C6BC0]..> N14
+N4 -[#000000]-> M0
+N7 ..[#FBC02D]..> M0
+N2 ..[#FFF8A6]..> M0
+N6 -[#000000]-> M0
+M0 -[#FFF8A6]-> N10
+N1 ..[#5C6BC0]..> M1 : advises
+N8 -[#5C6BC0]-> M1
+N3 ..[#FBC02D]..> M1
+M1 -[#5C6BC0]-> N12
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_98.txt b/test/plantuml/graph_hard/plantuml_98.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5b3809f6409828f09369705302da85938a55b69d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_98.txt
@@ -0,0 +1,40 @@
+<Candidate Sourcing, connectedTo, Disciplinary Procedures>
+<Candidate Sourcing, connectedTo, Global Mobility Programs>
+<Candidate Sourcing, connectedTo, Job Posting>
+<Candidate Sourcing, connectedTo, Organizational Development>
+<Candidate Sourcing, connectedTo, Team Building Activities>
+<Compensation and Benefits, connectedTo, Exit Interviews>
+<Compensation and Benefits, partOf, Employee Relations>
+<Conflict Resolution, connectedTo, Succession Planning>
+<Conflict Resolution, partOf, Employee Handbook Creation>
+<Disciplinary Procedures, benefits, Compensation and Benefits>
+<Disciplinary Procedures, connectedTo, Job Posting>
+<Diversity and Inclusion Initiatives, connectedTo, Interview Scheduling>
+<Employee Engagement Surveys, connectedTo, Performance Appraisal>
+<Employee Engagement Surveys, partOf, Employee Handbook Creation>
+<Exit Interviews, connectedTo, Talent Management>
+<Exit Interviews, partOf, Employee Relations>
+<Global Mobility Programs, reports, Health and Safety Management>
+<Grievance Handling, connectedTo, Disciplinary Procedures>
+<Grievance Handling, connectedTo, Recruitment Planning>
+<Health and Safety Management, connectedTo, Organizational Development>
+<Interview Scheduling, advises, Global Mobility Programs>
+<Interview Scheduling, connectedTo, Leave Management>
+<Job Posting, connectedTo, Global Mobility Programs>
+<Leave Management, connectedTo, Disciplinary Procedures>
+<Leave Management, connectedTo, Remote Work Policy>
+<Performance Appraisal, connectedTo, Workforce Planning>
+<Performance Appraisal, partOf, Employee Handbook Creation>
+<Recruitment Planning, connectedTo, Candidate Sourcing>
+<Recruitment Planning, connectedTo, Disciplinary Procedures>
+<Remote Work Policy, connectedTo, Global Mobility Programs>
+<Remote Work Policy, connectedTo, Succession Planning>
+<Remote Work Policy, surveys, Employee Engagement Surveys>
+<Succession Planning, connectedTo, Disciplinary Procedures>
+<Succession Planning, connectedTo, Union Negotiations>
+<Talent Management, connectedTo, Job Posting>
+<Talent Management, partOf, Employee Relations>
+<Team Building Activities, audits, Disciplinary Procedures>
+<Union Negotiations, connectedTo, Grievance Handling>
+<Workforce Planning, connectedTo, Conflict Resolution>
+<Workforce Planning, partOf, Employee Handbook Creation>
diff --git a/test/plantuml/graph_hard/plantuml_99.puml b/test/plantuml/graph_hard/plantuml_99.puml
new file mode 100644
index 0000000000000000000000000000000000000000..28735c43e7422c41b367b6bb470dc47802661b2d
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_99.puml
@@ -0,0 +1,65 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Offer Management" as Group0 #FCE4EC {
+    database "Leave Management" as nest0_0 #C9F0F0
+    artifact "Diversity and Inclusion Initiatives" as nest0_1 #FCE4EC
+    database "Team Building Activities" as nest0_2 #FFFCE6
+}
+rectangle "Skill Development Programs" as Group1 #EDE7F6 {
+    node "Talent Management" as nest1_0 #FCE4EC
+    node "Leadership Training" as nest1_1 #C9F0F0
+}
+rectangle "Exit Interviews" as N0 #FFFCE6
+usecase "Compensation and Benefits" as N1 #FFFCE6
+frame "Succession Planning" as N2 #C9F0F0
+folder "Work_Life Balance Initiatives" as N3 #FFFCE6
+artifact "Employee Data Management" as N4 #C9F0F0
+node "Remote Work Policy" as N5 #C9F0F0
+artifact "Organizational Development" as N6 #C9F0F0
+frame "HR Analytics" as N7 #FCE4EC
+usecase "Compliance Management" as N8 #C9F0F0
+rectangle "Employee Engagement Surveys" as N9 #C9F0F0
+folder "Health and Safety Management" as N10 #FFFCE6
+folder "Payroll Processing" as N11 #FCE4EC
+circle " " as S0 #FCE4EC
+circle " " as S1 #FFFCE6
+circle " " as M0 #FFFCE6
+circle " " as M1 #FCE4EC
+N0 ..[#4DD0E1]..> N1
+N1 -[#000000]-> N2
+N2 ..[#FFF9AE]..> N3
+N3 -[#000000]-> N4
+N4 ..[#E91E63]..> N5
+N5 -[#FFF9AE]-> N6
+N6 ..[#000000]..> N7
+N7 -[#000000]-> N8
+N8 ..[#E91E63]..> N9
+N9 -[#000000]-> N10
+N10 ..[#000000]..> N11
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 -[#4DD0E1]-> nest0_2
+N8 -[#000000]-> nest0_0 : strategies
+nest0_2 -[#FFF9AE]-> N7
+nest1_0 ..[#000000]..> nest1_1
+N6 -[#E91E63]-> nest1_0
+nest1_1 ..[#E91E63]..> N6
+N2 -[#E91E63]-> S0
+S0 ..[#4DD0E1]..> N10
+S0 -[#FFF9AE]-> N4
+S0 ..[#E91E63]..> N7
+N4 ..[#E91E63]..> S1
+S1 ..[#E91E63]..> N11
+S1 -[#4DD0E1]-> N7
+S1 ..[#FFF9AE]..> N8
+S1 ..[#FFF9AE]..> N6
+N0 ..[#4DD0E1]..> M0 : resolves
+N3 ..[#4DD0E1]..> M0
+M0 -[#000000]-> N9
+N0 ..[#4DD0E1]..> M1
+N1 ..[#E91E63]..> M1
+N9 ..[#FFF9AE]..> M1
+N6 ..[#4DD0E1]..> M1
+M1 ..[#000000]..> N11
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/graph_hard/plantuml_99.txt b/test/plantuml/graph_hard/plantuml_99.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dd6a17df91caa21fd4335dda1e372a7f97993a01
--- /dev/null
+++ b/test/plantuml/graph_hard/plantuml_99.txt
@@ -0,0 +1,36 @@
+<Compensation and Benefits, connectedTo, Payroll Processing>
+<Compensation and Benefits, connectedTo, Succession Planning>
+<Compliance Management, connectedTo, Employee Engagement Surveys>
+<Compliance Management, strategies, Leave Management>
+<Diversity and Inclusion Initiatives, connectedTo, Team Building Activities>
+<Diversity and Inclusion Initiatives, partOf, Offer Management>
+<Employee Data Management, connectedTo, Compliance Management>
+<Employee Data Management, connectedTo, HR Analytics>
+<Employee Data Management, connectedTo, Organizational Development>
+<Employee Data Management, connectedTo, Payroll Processing>
+<Employee Data Management, connectedTo, Remote Work Policy>
+<Employee Engagement Surveys, connectedTo, Health and Safety Management>
+<Employee Engagement Surveys, connectedTo, Payroll Processing>
+<Exit Interviews, connectedTo, Compensation and Benefits>
+<Exit Interviews, connectedTo, Payroll Processing>
+<Exit Interviews, resolves, Employee Engagement Surveys>
+<HR Analytics, connectedTo, Compliance Management>
+<Health and Safety Management, connectedTo, Payroll Processing>
+<Leadership Training, connectedTo, Organizational Development>
+<Leadership Training, partOf, Skill Development Programs>
+<Leave Management, connectedTo, Diversity and Inclusion Initiatives>
+<Leave Management, partOf, Offer Management>
+<Organizational Development, connectedTo, HR Analytics>
+<Organizational Development, connectedTo, Payroll Processing>
+<Organizational Development, connectedTo, Talent Management>
+<Remote Work Policy, connectedTo, Organizational Development>
+<Succession Planning, connectedTo, Employee Data Management>
+<Succession Planning, connectedTo, HR Analytics>
+<Succession Planning, connectedTo, Health and Safety Management>
+<Succession Planning, connectedTo, Work_Life Balance Initiatives>
+<Talent Management, connectedTo, Leadership Training>
+<Talent Management, partOf, Skill Development Programs>
+<Team Building Activities, connectedTo, HR Analytics>
+<Team Building Activities, partOf, Offer Management>
+<Work_Life Balance Initiatives, connectedTo, Employee Data Management>
+<Work_Life Balance Initiatives, connectedTo, Employee Engagement Surveys>
diff --git a/test/plantuml/scanned_medium/plantuml_104.puml b/test/plantuml/scanned_medium/plantuml_104.puml
new file mode 100644
index 0000000000000000000000000000000000000000..34616c11f33df6b183a7326ff550eb53675db8f7
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_104.puml
@@ -0,0 +1,27 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+artifact "Fraud Prevention" as N0 #FCFCE7
+folder "Rehabilitation Programs" as N1 #B2EBF2
+cloud "School Safety Programs" as N2 #B2EBF2
+cloud "CCTV Installation" as N3 #B2EBF2
+rectangle "Policy Development for Prevention" as N4 #B3E5FC
+frame "Domestic Violence Prevention" as N5 #FCFCE7
+cloud "Restorative Justice" as N6 #B2EBF2
+component "Security Lighting" as N7 #B3E5FC
+folder "Data Sharing Initiatives" as N8 #FCFCE7
+cloud "Public Awareness Campaigns" as N9 #B3E5FC
+node "Youth Programs" as N10 #B3E5FC
+N0 -[#DCE775]-> N1 : advises
+N1 ..[#00BCD4]..> N2 : certifies
+N2 ..[#03A9F4]..> N3
+N3 ..[#000000]..> N4 : warns
+N4 ..[#03A9F4]..> N5 : deters
+N5 -[#00BCD4]-> N6 : reports
+N6 ..[#DCE775]..> N7 : communicates
+N7 -[#03A9F4]-> N8
+N8 -[#03A9F4]-> N9
+N9 -[#DCE775]-> N10 : data_collects
+N2 -[#00BCD4]-> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_122.puml b/test/plantuml/scanned_medium/plantuml_122.puml
new file mode 100644
index 0000000000000000000000000000000000000000..4ddbfca7150dfd4e538671f5618f0b140419df4f
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_122.puml
@@ -0,0 +1,53 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Climate Data Archiving" as Group0 #E0F2F1 {
+    artifact "Storm Tracking" as nest0_0 #FFE88D
+    folder "Boundary Layer Study" as nest0_1 #FFE88D
+}
+folder "Climate Change Impact Study" as N0 #FFEBEE
+folder "Tornado Watch or Warning" as N1 #D0EFEE
+folder "Pollution Dispersion Modeling" as N2 #D0EFEE
+frame "Flood Prediction" as N3 #D0EFEE
+folder "Marine Weather Forecast" as N4 #FFEBEE
+folder "Synoptic Chart Analysis" as N5 #D0EFEE
+database "Precipitation Measurement" as N6 #FFE88D
+usecase "Satellite Meteorology" as N7 #FFE88D
+database "Agricultural Weather Advisory" as N8 #FFE88D
+cloud "Atmospheric Data Collection" as N9 #D0EFEE
+database "Climate Modeling" as N10 #FFEBEE
+frame "Mesoscale Meteorology" as N11 #D0EFEE
+folder "Hurricane Trajectory Modeling" as N12 #FFEBEE
+usecase "Drought Monitoring" as N13 #D0EFEE
+artifact "Weather Forecasting" as N14 #FFE88D
+circle " " as S0 #D0EFEE
+circle " " as S1 #FFEBEE
+circle " " as M0 #FFEBEE
+N0 ..[#FFDA4E]..> N1
+N1 ..[#000000]..> N2 : supports
+N2 -[#FFDA4E]-> N3
+N3 -[#000000]-> N4
+N4 -[#73C6BC]-> N5 : predicts
+N5 -[#E57373]-> N6
+N6 -[#E57373]-> N7
+N7 -[#73C6BC]-> N8 : identifies
+N8 ..[#000000]..> N9
+N9 -[#000000]-> N10
+N10 -[#FFDA4E]-> N11
+N11 ..[#73C6BC]..> N12
+N12 ..[#E57373]..> N13
+N13 -[#E57373]-> N14
+nest0_0 ..[#FFDA4E]..> nest0_1
+N7 -[#000000]-> nest0_0 : warns
+nest0_1 ..[#73C6BC]..> N3
+N0 ..[#E57373]..> S0
+S0 -[#73C6BC]-> N14
+S0 -[#000000]-> N11 : classifies
+N0 ..[#000000]..> S1
+S1 -[#73C6BC]-> N11
+S1 -[#E57373]-> N5
+N1 ..[#FFDA4E]..> M0
+N3 -[#FFDA4E]-> M0 : disseminates
+M0 ..[#E57373]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_128.txt b/test/plantuml/scanned_medium/plantuml_128.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f4d553f71105605f29362b364679123740a56505
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_128.txt
@@ -0,0 +1,25 @@
+<Aquifer Recharge, connectedTo, Reservoir Operation>
+<Ecosystem Protection, connectedTo, Pollution Source Identification>
+<Ecosystem Protection, connectedTo, Transboundary Water Management>
+<Environmental Flow Assessment, connectedTo, Hydrological Modeling>
+<Greywater Recycling, connectedTo, Wastewater Treatment>
+<Groundwater Management, connectedTo, Water Meter Reading>
+<Hydrological Modeling, connectedTo, Water Source Identification>
+<Piping Network Repair, connectedTo, Groundwater Management>
+<Pollution Source Identification, connectedTo, Aquifer Recharge>
+<Public Awareness Campaigns, partOf, Industrial Water Use Optimization>
+<Public Awareness Campaigns, purifies, Water Infrastructure Maintenance>
+<Reservoir Operation, allocates, Hydrological Modeling>
+<Reservoir Operation, collects, Water Source Identification>
+<Reservoir Operation, connectedTo, Environmental Flow Assessment>
+<Transboundary Water Management, audits, Pollution Source Identification>
+<Transboundary Water Management, connectedTo, Piping Network Repair>
+<Wastewater Treatment, connectedTo, Pollution Source Identification>
+<Wastewater Treatment, connectedTo, Water Distribution>
+<Wastewater Treatment, controls, Water Rights Management>
+<Water Distribution, connectedTo, Public Awareness Campaigns>
+<Water Distribution, partOf, Industrial Water Use Optimization>
+<Water Infrastructure Maintenance, licenses, Ecosystem Protection>
+<Water Infrastructure Maintenance, partOf, Industrial Water Use Optimization>
+<Water Meter Reading, connectedTo, Pollution Source Identification>
+<Water Rights Management, connectedTo, Ecosystem Protection>
diff --git a/test/plantuml/scanned_medium/plantuml_131.puml b/test/plantuml/scanned_medium/plantuml_131.puml
new file mode 100644
index 0000000000000000000000000000000000000000..a992f98260a614b6974d4db3582bb4c185d753e9
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_131.puml
@@ -0,0 +1,42 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Collection Point Management" as Group0 #FFF3E0 {
+    node "Recycling Infrastructure Development" as nest0_0 #FCE4EC
+    cloud "Material Collection" as nest0_1 #FAEBF3
+    node "End_of_Life Product Management" as nest0_2 #BBDEFB
+    node "Glass Recycling" as nest0_3 #BBDEFB
+}
+folder "Composting Organic Waste" as N0 #BBDEFB
+database "Waste Audit for Recycling" as N1 #FCE4EC
+frame "Advanced Sorting Technologies" as N2 #BBDEFB
+folder "Mechanical Recycling" as N3 #BBDEFB
+component "Hazardous Material Recovery" as N4 #FCE4EC
+node "Cleaning and Processing" as N5 #FCE4EC
+database "Reprocessing into Raw Material" as N6 #FCE4EC
+circle " " as S0 #FAEBF3
+circle " " as S1 #FAEBF3
+circle " " as M0 #BBDEFB
+N0 -[#F7BEE0]-> N1 : reports
+N1 ..[#000000]..> N2
+N2 ..[#2196F3]..> N3
+N3 ..[#2196F3]..> N4 : bundles
+N4 ..[#F06292]..> N5
+N5 -[#2196F3]-> N6
+nest0_0 ..[#000000]..> nest0_1
+nest0_1 ..[#2196F3]..> nest0_2
+nest0_2 ..[#2196F3]..> nest0_3 : certifies
+N1 -[#F06292]-> nest0_0 : tests
+nest0_3 ..[#F06292]..> N2
+N3 ..[#F7BEE0]..> S0
+S0 -[#000000]-> N6
+S0 ..[#2196F3]..> N5
+N1 ..[#000000]..> S1
+S1 ..[#000000]..> N3 : melts
+S1 ..[#000000]..> N6
+N2 ..[#F06292]..> M0
+N3 ..[#F06292]..> M0
+N0 ..[#2196F3]..> M0
+M0 -[#F7BEE0]-> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_136.puml b/test/plantuml/scanned_medium/plantuml_136.puml
new file mode 100644
index 0000000000000000000000000000000000000000..0e367e6d6c099a3bd8cf6a97296896238bfd500c
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_136.puml
@@ -0,0 +1,56 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Farm Animal Health Management" as Group0 #EDE7F6 {
+    folder "Pet Check_up" as nest0_0 #C8E6C9
+    cloud "Euthanasia Services" as nest0_1 #EDE7F6
+    cloud "Laboratory Testing" as nest0_2 #DED7F0
+    rectangle "Behavioral Counseling" as nest0_3 #DED7F0
+}
+rectangle "Veterinary Technology Training" as N0 #EDE7F6
+component "Spay or Neuter Procedure" as N1 #DED7F0
+component "Animal Welfare Assessment" as N2 #DED7F0
+rectangle "Pain Management" as N3 #EDE7F6
+rectangle "Hospice Care for Animals" as N4 #DED7F0
+frame "Client Communication" as N5 #C8E6C9
+rectangle "Veterinary Pathology" as N6 #DED7F0
+artifact "Sterilization Protocols" as N7 #DED7F0
+database "Anesthesia Administration" as N8 #DED7F0
+database "Parasite Control" as N9 #C8E6C9
+database "Nutritional Counseling" as N10 #C8E6C9
+circle " " as S0 #C8E6C9
+circle " " as S1 #EDE7F6
+circle " " as M0 #DED7F0
+circle " " as M1 #C8E6C9
+N0 ..[#A188DB]..> N1
+N1 ..[#000000]..> N2
+N2 -[#A188DB]-> N3
+N3 -[#000000]-> N4
+N4 -[#7E57C2]-> N5
+N5 -[#4CAF50]-> N6
+N6 -[#4CAF50]-> N7 : medicates
+N7 -[#A188DB]-> N8
+N8 -[#000000]-> N9 : admits
+N9 ..[#A188DB]..> N10
+nest0_0 -[#000000]-> nest0_1
+nest0_1 ..[#A188DB]..> nest0_2
+nest0_2 ..[#4CAF50]..> nest0_3 : recommends
+N3 ..[#A188DB]..> nest0_0
+nest0_3 -[#000000]-> N2
+N2 ..[#000000]..> S0
+S0 ..[#000000]..> N9 : performs
+S0 ..[#4CAF50]..> N8
+S0 ..[#000000]..> N7 : regulates
+N5 -[#000000]-> S1
+S1 ..[#A188DB]..> N8
+S1 ..[#A188DB]..> N9
+S1 ..[#4CAF50]..> N7
+N2 ..[#A188DB]..> M0 : tests
+N3 -[#000000]-> M0
+N0 ..[#4CAF50]..> M0
+M0 -[#4CAF50]-> N5
+N0 ..[#A188DB]..> M1
+N1 -[#4CAF50]-> M1 : analyzes
+M1 ..[#4CAF50]..> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_141.txt b/test/plantuml/scanned_medium/plantuml_141.txt
new file mode 100644
index 0000000000000000000000000000000000000000..39b84e55bc11a511933b4df82ac18cdf014394a8
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_141.txt
@@ -0,0 +1,19 @@
+<After_School Programs, connectedTo, Child Psychology Application>
+<After_School Programs, connectedTo, Infant Care>
+<Child Psychology Application, accommodates, Hygiene Practices>
+<Child Psychology Application, partOf, Enrollment and Admissions>
+<Curriculum Planning, connectedTo, After_School Programs>
+<Curriculum Planning, partOf, Enrollment and Admissions>
+<Group Activities Coordination, connectedTo, Social Skill Development>
+<Hygiene Practices, connectedTo, Curriculum Planning>
+<Hygiene Practices, partOf, Enrollment and Admissions>
+<Individualized Attention, responds, Group Activities Coordination>
+<Infant Care, connectedTo, Sensory Play>
+<Outdoor Exploration, connectedTo, Individualized Attention>
+<Outdoor Exploration, connectedTo, Preschool Education>
+<Outdoor Exploration, teaches, After_School Programs>
+<Preschool Education, engages, Individualized Attention>
+<Safety Supervision, certifies, Preschool Education>
+<Safety Supervision, connectedTo, Group Activities Coordination>
+<Safety Supervision, connectedTo, Social Skill Development>
+<Sensory Play, observes, Safety Supervision>
diff --git a/test/plantuml/scanned_medium/plantuml_156.puml b/test/plantuml/scanned_medium/plantuml_156.puml
new file mode 100644
index 0000000000000000000000000000000000000000..3b22e8582acd5d402b2e8228faf25af39ba8efc0
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_156.puml
@@ -0,0 +1,53 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Voice Guidance Customization" as Group0 #EDE7F6 {
+    folder "Satellite Navigation Systems" as nest0_0 #E1BEE7
+    node "Geocoding" as nest0_1 #FFF6D9
+}
+node "Hazard Alerts" as N0 #FFF6D9
+node "Offline Map Support" as N1 #E1BEE7
+frame "Inertial Navigation System" as N2 #F6F6F6
+cloud "Historical Traffic Data Analysis" as N3 #E1BEE7
+component "Turn_by_Turn Directions" as N4 #F6F6F6
+folder "Personalized Route Preferences" as N5 #E1BEE7
+usecase "Location_Based Services" as N6 #FFF6D9
+cloud "Digital Compass Integration" as N7 #E1BEE7
+folder "Terrestrial Navigation" as N8 #F6F6F6
+usecase "Navigation Data Update" as N9 #FFF6D9
+folder "Points of Interest Search" as N10 #FFF6D9
+component "Augmented Reality Navigation" as N11 #E1BEE7
+folder "Real_Time Re_routing" as N12 #E1BEE7
+artifact "Dead Reckoning" as N13 #FFF6D9
+node "Traffic Information" as N14 #FFF6D9
+circle " " as S0 #F6F6F6
+circle " " as S1 #FFF6D9
+circle " " as M0 #F6F6F6
+N0 ..[#9C27B0]..> N1
+N1 ..[#000000]..> N2
+N2 -[#CFCFCF]-> N3
+N3 ..[#9C27B0]..> N4
+N4 ..[#FFCC7A]..> N5
+N5 -[#FFCC7A]-> N6 : alerts
+N6 -[#9C27B0]-> N7 : calibrates
+N7 -[#9C27B0]-> N8 : updates
+N8 ..[#CFCFCF]..> N9 : identifies
+N9 -[#000000]-> N10 : validates
+N10 -[#000000]-> N11
+N11 -[#9C27B0]-> N12
+N12 -[#CFCFCF]-> N13 : receives
+N13 ..[#000000]..> N14
+nest0_0 -[#000000]-> nest0_1
+N9 -[#000000]-> nest0_0
+nest0_1 ..[#000000]..> N2
+N5 -[#9C27B0]-> S0
+S0 -[#000000]-> N10 : integrates
+S0 ..[#9C27B0]..> N12
+N4 -[#9C27B0]-> S1
+S1 ..[#FFCC7A]..> N8
+S1 ..[#CFCFCF]..> N6
+N0 -[#000000]-> M0
+N8 ..[#9C27B0]..> M0
+M0 ..[#9C27B0]..> N11
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_159.txt b/test/plantuml/scanned_medium/plantuml_159.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a283d91c63827350cbb25466afb268b7faea3a79
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_159.txt
@@ -0,0 +1,21 @@
+<4D Printing, connectedTo, Slicing Software Operation>
+<Custom Part Production, connectedTo, Distributed Manufacturing>
+<Custom Part Production, connectedTo, Printing Parameter Optimization>
+<Custom Part Production, connectedTo, Scaffolding for Tissue Engineering>
+<Custom Part Production, connectedTo, Slicing Software Operation>
+<Distributed Manufacturing, connectedTo, Printing Parameter Optimization>
+<File Format Conversion, partOf, Additive Manufacturing>
+<File Format Conversion, validates, Selective Laser Sintering>
+<Intellectual Property Protection for Designs, connectedTo, Post_Processing>
+<Intellectual Property Protection for Designs, partOf, Additive Manufacturing>
+<Post_Processing, connectedTo, 4D Printing>
+<Post_Processing, partOf, Additive Manufacturing>
+<Printing Parameter Optimization, connectedTo, Printing Process>
+<Printing Parameter Optimization, enhances, File Format Conversion>
+<Printing Process, connectedTo, Scaffolding for Tissue Engineering>
+<Scaffolding for Tissue Engineering, secures, Stereolithography>
+<Selective Laser Sintering, creates, Intellectual Property Protection for Designs>
+<Selective Laser Sintering, partOf, Additive Manufacturing>
+<Stereolithography, connectedTo, Slicing Software Operation>
+<Stereolithography, protects, 4D Printing>
+<Troubleshooting Print Errors, distributes, Custom Part Production>
diff --git a/test/plantuml/scanned_medium/plantuml_162.txt b/test/plantuml/scanned_medium/plantuml_162.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8763d2543a27071832b4c0c3517d27e0fc9ec59c
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_162.txt
@@ -0,0 +1,28 @@
+<Atomic Force Microscopy, connectedTo, Nanomaterial Synthesis>
+<Atomic Force Microscopy, connectedTo, Regulatory Framework for Nanotech>
+<Bio_Nanotechnology Interface, connectedTo, X_ray Diffraction>
+<Bio_Nanotechnology Interface, partOf, Lab_on_a_Chip Devices>
+<Biosensors, controls, Advanced Materials Research>
+<Biosensors, develops, Regulatory Framework for Nanotech>
+<Biosensors, engineers, Molecular Self_Assembly>
+<Biosensors, measures, Scanning Electron Microscopy>
+<Molecular Self_Assembly, functionalizes, Scanning Electron Microscopy>
+<Nanofabrication Techniques, connectedTo, Advanced Materials Research>
+<Nanomaterial Synthesis, cleans, Nanofabrication Techniques>
+<Nanomaterial Synthesis, connectedTo, Advanced Materials Research>
+<Nanomaterial Synthesis, connectedTo, Molecular Self_Assembly>
+<Nanomaterial Synthesis, connectedTo, Regulatory Framework for Nanotech>
+<Nanomaterial Synthesis, fabricates, Biosensors>
+<Nanomedicine Development, connectedTo, Regulatory Framework for Nanotech>
+<Nanomedicine Development, connectedTo, Spintronics>
+<Nanosensors, connectedTo, Atomic Force Microscopy>
+<Photovoltaics, delivers, Bio_Nanotechnology Interface>
+<Photovoltaics, partOf, Lab_on_a_Chip Devices>
+<Regulatory Framework for Nanotech, connectedTo, Molecular Self_Assembly>
+<Regulatory Framework for Nanotech, connectedTo, Photovoltaics>
+<Risk Assessment of Nanomaterials, connectedTo, Biosensors>
+<Risk Assessment of Nanomaterials, partOf, Lab_on_a_Chip Devices>
+<Scanning Electron Microscopy, connectedTo, Nanofabrication Techniques>
+<Spintronics, connectedTo, Nanosensors>
+<X_ray Diffraction, connectedTo, Risk Assessment of Nanomaterials>
+<X_ray Diffraction, partOf, Lab_on_a_Chip Devices>
diff --git a/test/plantuml/scanned_medium/plantuml_163.puml b/test/plantuml/scanned_medium/plantuml_163.puml
new file mode 100644
index 0000000000000000000000000000000000000000..2d459a0bc5b95fa6afb331854cfde08e9b83ccf1
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_163.puml
@@ -0,0 +1,43 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Vacuum Systems for Trapped Ions" as Group0 #F1F8E9 {
+    rectangle "Superconducting Qubits" as nest0_0 #FDFCEB
+    rectangle "Quantum Hardware Control" as nest0_1 #FDFCEB
+    node "Quantum Communication Protocols" as nest0_2 #FDFCEB
+}
+folder "Decoherence Mitigation" as N0 #FDFCEB
+rectangle "Quantum Machine Learning" as N1 #FFDCD6
+rectangle "Quantum Cloud Computing Services" as N2 #FDFCEB
+rectangle "Post_Quantum Cryptography" as N3 #CFD8DC
+artifact "Quantum Advantage Demonstration" as N4 #CFD8DC
+node "Quantum Teleportation Research" as N5 #CFD8DC
+usecase "Quantum Circuit Design" as N6 #FFDCD6
+database "Quantum Computing Benchmarking" as N7 #FDFCEB
+folder "Quantum Key Distribution" as N8 #CFD8DC
+folder "Quantum Cryptography" as N9 #FFDCD6
+component "Quantum Entanglement Generation" as N10 #CFD8DC
+circle " " as S0 #FFDCD6
+circle " " as M1 #CFD8DC
+N0 -[#000000]-> N1
+N1 -[#607D8B]-> N2
+N2 ..[#607D8B]..> N3 : secures
+N3 ..[#607D8B]..> N4
+N4 -[#000000]-> N5
+N5 -[#000000]-> N6
+N6 -[#607D8B]-> N7 : models
+N7 -[#EAEFA5]-> N8
+N8 -[#000000]-> N9 : computes
+N9 ..[#607D8B]..> N10 : verifies
+nest0_0 -[#EAEFA5]-> nest0_1 : entangles
+nest0_1 ..[#FFB2A5]..> nest0_2 : analyzes
+N4 -[#000000]-> nest0_0
+nest0_2 ..[#607D8B]..> N2
+N3 -[#607D8B]-> S0
+S0 ..[#607D8B]..> N10
+S0 -[#607D8B]-> N5 : builds
+N6 ..[#FFB2A5]..> M1
+N2 -[#EAEFA5]-> M1 : integrates
+M1 -[#FFB2A5]-> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_166.txt b/test/plantuml/scanned_medium/plantuml_166.txt
new file mode 100644
index 0000000000000000000000000000000000000000..da1660be0e6e99743f2ddef4a484af7321c02c6c
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_166.txt
@@ -0,0 +1,23 @@
+<3D Model Creation, connectedTo, Haptic Feedback Integration>
+<Cloud_based AR or VR Rendering, connectedTo, Content Creation for AR or VR>
+<Cloud_based AR or VR Rendering, connectedTo, Performance Optimization>
+<Content Creation for AR or VR, secures, Environment Mapping>
+<Ethical Considerations in AR or VR, connectedTo, Immersive Storytelling>
+<Haptic Feedback Integration, monitors, Industrial Maintenance Support>
+<Headset Development, connectedTo, Retail Experience Enhancement>
+<Headset Development, partOf, Multiplayer Experience Design>
+<Headset Development, visualizes, Ethical Considerations in AR or VR>
+<Immersive Storytelling, connectedTo, Cloud_based AR or VR Rendering>
+<Immersive Storytelling, measures, Remote Collaboration Tools>
+<Industrial Maintenance Support, connectedTo, User Interface Design>
+<Live Event Streaming in VR, connectedTo, 3D Model Creation>
+<Live Event Streaming in VR, connectedTo, Cloud_based AR or VR Rendering>
+<Performance Optimization, augments, Headset Development>
+<Performance Optimization, partOf, Multiplayer Experience Design>
+<Remote Collaboration Tools, connectedTo, Performance Optimization>
+<Remote Collaboration Tools, connectedTo, Training Simulations>
+<Retail Experience Enhancement, connectedTo, 3D Model Creation>
+<Retail Experience Enhancement, partOf, Multiplayer Experience Design>
+<Training Simulations, connectedTo, Cloud_based AR or VR Rendering>
+<User Experience Testing, connectedTo, Ethical Considerations in AR or VR>
+<User Interface Design, connectedTo, User Experience Testing>
diff --git a/test/plantuml/scanned_medium/plantuml_17.puml b/test/plantuml/scanned_medium/plantuml_17.puml
new file mode 100644
index 0000000000000000000000000000000000000000..57694d90217db18b4bc688c7c74770a642f7b369
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_17.puml
@@ -0,0 +1,27 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+folder "Election Management" as N0 #FFF9C4
+component "Public Sector Procurement" as N1 #B2EBF2
+folder "Budget Allocation" as N2 #FFF9C4
+database "Emergency Preparedness" as N3 #B2EBF2
+artifact "Compliance Checking" as N4 #B2EBF2
+frame "Policy Drafting" as N5 #FFF9C4
+usecase "Business Licensing" as N6 #E1BEE7
+component "International Relations" as N7 #E1BEE7
+rectangle "Census Collection" as N8 #FFF9C4
+frame "Veterans Affairs" as N9 #E1BEE7
+database "Passport Issuance" as N10 #B2EBF2
+N0 -[#000000]-> N1 : responds
+N1 ..[#FFEB3B]..> N2 : analyzes
+N2 -[#00BCD4]-> N3 : administers
+N3 -[#FFEB3B]-> N4
+N4 -[#9C27B0]-> N5
+N5 ..[#00BCD4]..> N6
+N6 ..[#00BCD4]..> N7 : enforces
+N7 -[#000000]-> N8 : consults
+N8 -[#9C27B0]-> N9
+N9 -[#FFEB3B]-> N10 : executes
+N9 -[#000000]-> N0
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_184.puml b/test/plantuml/scanned_medium/plantuml_184.puml
new file mode 100644
index 0000000000000000000000000000000000000000..6ce8165f04f81d19cbe3bf3a8f33d6a78f25bda2
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_184.puml
@@ -0,0 +1,40 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Dashboard Design" as Group0 #E0F2F1 {
+    cloud "ETL Development" as nest0_0 #F8FDD3
+    component "Budget Performance Analysis" as nest0_1 #EDF5F3
+}
+folder "Actionable Insights Generation" as N0 #F8FDD3
+cloud "Risk Assessment Reporting" as N1 #FFE88D
+cloud "Executive Summary Reporting" as N2 #FFE88D
+cloud "Business Process Improvement" as N3 #EDF5F3
+component "Data Mart Design" as N4 #FFE88D
+cloud "Competitive Analysis" as N5 #EDF5F3
+component "HR Analytics Dashboards" as N6 #FFE88D
+node "Self_Service BI Tools" as N7 #FFE88D
+circle " " as S0 #F8FDD3
+circle " " as S1 #EDF5F3
+circle " " as M0 #F8FDD3
+N0 -[#FFDA4E]-> N1
+N1 -[#FFDA4E]-> N2 : transforms
+N2 -[#D3EB9F]-> N3
+N3 -[#000000]-> N4
+N4 ..[#FFDA4E]..> N5
+N5 -[#FFDA4E]-> N6
+N6 ..[#A1D7CD]..> N7
+nest0_0 -[#FFDA4E]-> nest0_1
+N1 -[#FFDA4E]-> nest0_0
+nest0_1 ..[#FFDA4E]..> N6 : models
+N0 ..[#D3EB9F]..> S0
+S0 ..[#A1D7CD]..> N3
+S0 -[#D3EB9F]-> N2
+N4 -[#FFDA4E]-> S1
+S1 -[#A1D7CD]-> N6 : visualizes
+S1 -[#000000]-> N7
+N1 -[#D3EB9F]-> M0
+N2 -[#A1D7CD]-> M0
+N0 -[#000000]-> M0
+M0 ..[#FFDA4E]..> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_20.txt b/test/plantuml/scanned_medium/plantuml_20.txt
new file mode 100644
index 0000000000000000000000000000000000000000..41d08267165bc97a17bf454d6376ea2f1270845a
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_20.txt
@@ -0,0 +1,12 @@
+<Aircraft Maintenance Log, connectedTo, Thermal Shield Testing>
+<Engine Overhaul, connectedTo, Flight Crew Training>
+<Extravehicular Activity Planning, connectedTo, Orbit Adjustment>
+<Flight Crew Training, connectedTo, Rocket Stage Separation>
+<International Space Station Resupply, tracks, Engine Overhaul>
+<Orbit Adjustment, researches, Runway Inspection>
+<Rocket Stage Separation, connectedTo, Satellite Data Processing>
+<Runway Inspection, connectedTo, International Space Station Resupply>
+<Satellite Data Processing, guides, System Reboot>
+<Satellite Data Processing, prototypes, Flight Crew Training>
+<System Reboot, connectedTo, New Material Development>
+<Thermal Shield Testing, launches, Extravehicular Activity Planning>
diff --git a/test/plantuml/scanned_medium/plantuml_200.puml b/test/plantuml/scanned_medium/plantuml_200.puml
new file mode 100644
index 0000000000000000000000000000000000000000..3e3b57103cad809b1e720751a3f5c9b62be415af
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_200.puml
@@ -0,0 +1,39 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Post_Campaign Updates" as Group0 #FBE9E7 {
+    usecase "Customer Support for Backers" as nest0_0 #FFF0CC
+    folder "Goal Setting" as nest0_1 #FFF0CC
+    artifact "Community Building" as nest0_2 #FFF0CC
+    frame "Campaign Creation" as nest0_3 #FCFCE7
+}
+cloud "Product Development Lifecycle" as N0 #FFFCE6
+node "Tax Implications of Crowdfunding" as N1 #FCFCE7
+component "Funding Period Management" as N2 #FFFCE6
+database "Financial Projection Analysis" as N3 #FCFCE7
+node "Legal Compliance" as N4 #FFFCE6
+rectangle "Donation_Based Crowdfunding" as N5 #FFFCE6
+circle " " as S0 #FCFCE7
+circle " " as M0 #FFFCE6
+circle " " as M1 #FFF0CC
+N0 -[#FFF9AE]-> N1
+N1 ..[#000000]..> N2
+N2 ..[#000000]..> N3
+N3 -[#FFCC80]-> N4 : develops products
+N4 -[#DCE775]-> N5 : vets projects
+nest0_0 -[#FFF9AE]-> nest0_1 : distributes rewards
+nest0_1 ..[#FFCC80]..> nest0_2
+nest0_2 -[#000000]-> nest0_3
+N2 -[#DCE775]-> nest0_0
+nest0_3 ..[#FFCC80]..> N2
+N2 ..[#000000]..> S0
+S0 ..[#FFCC80]..> N4
+S0 ..[#DCE775]..> N5
+N1 -[#FFF9AE]-> M0 : prepares pitches
+N0 -[#FFF9AE]-> M0
+M0 -[#DCE775]-> N3
+N3 ..[#FFF9AE]..> M1
+N1 ..[#DCE775]..> M1
+M1 -[#FFF9AE]-> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_209.txt b/test/plantuml/scanned_medium/plantuml_209.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f763849f40e4ae1408270630d51e8987a8ac822e
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_209.txt
@@ -0,0 +1,26 @@
+<Cloud FinOps, manages IAMs, Infrastructure as a Service>
+<Cloud Governance, connectedTo, Database as a Service>
+<Cloud Governance, connectedTo, Serverless Computing>
+<Cloud Marketplace Integration, monitors performance, Software as a Service>
+<Cloud Monitoring and Logging, connectedTo, Machine Learning as a Service>
+<Cloud Security, connectedTo, Resource Tagging for Cost Allocation>
+<Cloud Security, partOf, Cloud Architecture Design>
+<Cloud_based VPN Setup, connectedTo, Cloud FinOps>
+<Cloud_based VPN Setup, connectedTo, Infrastructure as a Service>
+<Container Orchestration, connectedTo, Network Configuration in Cloud>
+<Container Orchestration, partOf, Cloud Architecture Design>
+<Data Storage in Cloud, connectedTo, Cloud Marketplace Integration>
+<Database as a Service, connectedTo, Cloud_based VPN Setup>
+<Database as a Service, connectedTo, Container Orchestration>
+<Database as a Service, connectedTo, Serverless Computing>
+<Infrastructure as a Service, avoids lock_ins, Serverless Computing>
+<Infrastructure as a Service, connectedTo, Machine Learning as a Service>
+<Infrastructure as a Service, connectedTo, Software as a Service>
+<Machine Learning as a Service, connectedTo, Data Storage in Cloud>
+<Network Configuration in Cloud, connectedTo, Cloud Security>
+<Network Configuration in Cloud, partOf, Cloud Architecture Design>
+<Private Cloud Management, configures networks, Infrastructure as a Service>
+<Private Cloud Management, develops cloud_native apps, Cloud Governance>
+<Resource Tagging for Cost Allocation, connectedTo, Database as a Service>
+<Resource Tagging for Cost Allocation, partOf, Cloud Architecture Design>
+<Serverless Computing, connectedTo, Cloud Monitoring and Logging>
diff --git a/test/plantuml/scanned_medium/plantuml_212.txt b/test/plantuml/scanned_medium/plantuml_212.txt
new file mode 100644
index 0000000000000000000000000000000000000000..759e36f1e5131f134a5b9e62ab478f21a689957b
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_212.txt
@@ -0,0 +1,17 @@
+<Antivirus and Endpoint Protection, connectedTo, Troubleshooting and Support>
+<Automation Scripting, connectedTo, IT Asset Management>
+<Automation Scripting, installs racks, Antivirus and Endpoint Protection>
+<Backup and Recovery Systems, configures firewalls, Automation Scripting>
+<Backup and Recovery Systems, connectedTo, Web Server Configuration>
+<IT Asset Management, connectedTo, Network Performance Tuning>
+<Network Performance Tuning, connectedTo, Virtualization>
+<Power and Cooling Management, connectedTo, Antivirus and Endpoint Protection>
+<Power and Cooling Management, partOf, Hardware Maintenance>
+<Rack and Cabinet Management, applies patches, Virtualization>
+<Rack and Cabinet Management, connectedTo, Network Performance Tuning>
+<Rack and Cabinet Management, manages storage, IT Asset Management>
+<Server Deployment, connectedTo, Software Licensing Management>
+<Software Licensing Management, connectedTo, Backup and Recovery Systems>
+<Troubleshooting and Support, connectedTo, Rack and Cabinet Management>
+<Web Server Configuration, deploys VDIs, Power and Cooling Management>
+<Web Server Configuration, partOf, Hardware Maintenance>
diff --git a/test/plantuml/scanned_medium/plantuml_213.puml b/test/plantuml/scanned_medium/plantuml_213.puml
new file mode 100644
index 0000000000000000000000000000000000000000..9463ab9441ffbdda2b4075ac2876b4a50318dc2b
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_213.puml
@@ -0,0 +1,46 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Rack and Cabinet Management" as Group0 #FCE4EC {
+    usecase "Remote Access Solutions" as nest0_0 #FFE0B2
+    rectangle "IT Asset Management" as nest0_1 #DFE7EB
+}
+cloud "Power and Cooling Management" as N0 #FFE0B2
+component "Environmental Monitoring" as N1 #DFE7EB
+database "Web Server Configuration" as N2 #E0F2F1
+folder "Troubleshooting and Support" as N3 #FFE0B2
+artifact "User Account Management" as N4 #FFE0B2
+usecase "Data Center Management" as N5 #FFE0B2
+rectangle "Hardware Maintenance" as N6 #E0F2F1
+cloud "Directory Services" as N7 #E0F2F1
+folder "Mail Server Management" as N8 #DFE7EB
+database "Disaster Recovery Planning" as N9 #E0F2F1
+frame "Cabling and Wiring" as N10 #E0F2F1
+circle " " as S0 #FFE0B2
+circle " " as S1 #FFE0B2
+circle " " as M0 #FFE0B2
+N0 -[#4DB6AC]-> N1
+N1 -[#B0C5CD]-> N2
+N2 -[#000000]-> N3
+N3 ..[#000000]..> N4
+N4 ..[#4DB6AC]..> N5
+N5 -[#000000]-> N6
+N6 ..[#4DB6AC]..> N7
+N7 ..[#B0C5CD]..> N8
+N8 ..[#FF9800]..> N9 : implements disaster recovery
+N9 ..[#B0C5CD]..> N10
+nest0_0 ..[#000000]..> nest0_1
+N4 -[#FF9800]-> nest0_0
+nest0_1 ..[#FF9800]..> N10
+N5 -[#4DB6AC]-> S0
+S0 -[#FF9800]-> N8 : configures web servers
+S0 ..[#FF9800]..> N7 : manages power
+N4 ..[#000000]..> S1
+S1 -[#4DB6AC]-> N9
+S1 ..[#000000]..> N8
+N0 ..[#4DB6AC]..> M0
+N3 -[#FF9800]-> M0 : manages access controls
+N2 ..[#000000]..> M0
+M0 ..[#B0C5CD]..> N10
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_219.puml b/test/plantuml/scanned_medium/plantuml_219.puml
new file mode 100644
index 0000000000000000000000000000000000000000..1d172f205dd8fd24cfb585f16d1e286b8f62f0d5
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_219.puml
@@ -0,0 +1,41 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Testing Frameworks" as Group0 #FCE4EC {
+    frame "Continuous Integration" as nest0_0 #E3F2FD
+    database "Embedded Systems Development" as nest0_1 #FFF3E0
+    component "Data Structures Implementation" as nest0_2 #FFF3E0
+    cloud "Performance Optimization" as nest0_3 #E3F2FD
+}
+folder "Agile Methodologies" as N0 #E3F2FD
+database "Scalability Design" as N1 #E3F2FD
+rectangle "Cloud_Native Development" as N2 #EFEBE9
+folder "Database Design" as N3 #FFF3E0
+node "Code Review" as N4 #FFF3E0
+rectangle "Web Application Development" as N5 #E3F2FD
+cloud "Coding" as N6 #EFEBE9
+circle " " as S0 #FFF3E0
+circle " " as S1 #EFEBE9
+circle " " as M1 #EFEBE9
+N0 ..[#64B5F6]..> N1
+N1 ..[#000000]..> N2
+N2 -[#64B5F6]-> N3
+N3 -[#A1887F]-> N4
+N4 -[#64B5F6]-> N5 : performs refactoring
+N5 ..[#A1887F]..> N6
+nest0_0 ..[#A1887F]..> nest0_1 : gathers requirements
+nest0_1 ..[#000000]..> nest0_2
+nest0_2 -[#000000]-> nest0_3
+N4 ..[#000000]..> nest0_0
+nest0_3 ..[#A1887F]..> N4 : builds backends
+N0 -[#FFB74D]-> S0
+S0 ..[#000000]..> N3
+S0 -[#64B5F6]-> N6
+N0 -[#A1887F]-> S1
+S1 ..[#64B5F6]..> N6
+S1 ..[#FFB74D]..> N3
+N4 -[#000000]-> M1 : writes documentation
+N3 ..[#FFB74D]..> M1
+M1 ..[#64B5F6]..> N6
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_222.txt b/test/plantuml/scanned_medium/plantuml_222.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5729613417bb2eb3a846e32ea368676a5b7fd5ec
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_222.txt
@@ -0,0 +1,23 @@
+<Assembly Line Optimization, connectedTo, Low_Power Design>
+<Assembly Line Optimization, connectedTo, Microcontroller Programming>
+<Assembly Line Optimization, connectedTo, Power Integrity Analysis>
+<Cost Optimization, tests hardware, Electromagnetic Compatibility Testing>
+<Documentation, connectedTo, Prototyping>
+<Documentation, connectedTo, Thermal Management>
+<Electromagnetic Compatibility Testing, builds prototypes, Quality Control>
+<Electromagnetic Compatibility Testing, manages power, Low_Power Design>
+<Enclosure Design, connectedTo, Testing and Validation>
+<Enclosure Design, connectedTo, Thermal Management>
+<Enclosure Design, partOf, Test Fixture Design>
+<Low_Power Design, connectedTo, Enclosure Design>
+<Low_Power Design, partOf, Test Fixture Design>
+<Microcontroller Programming, optimizes power delivery, Cost Optimization>
+<Microcontroller Programming, partOf, Test Fixture Design>
+<Power Integrity Analysis, supervises assembly, Electromagnetic Compatibility Testing>
+<Prototyping, connectedTo, Cost Optimization>
+<Quality Control, connectedTo, Assembly Line Optimization>
+<Quality Control, connectedTo, Power Integrity Analysis>
+<Testing and Validation, connectedTo, Troubleshooting and Debugging>
+<Thermal Management, connectedTo, Microcontroller Programming>
+<Thermal Management, partOf, Test Fixture Design>
+<Troubleshooting and Debugging, connectedTo, Documentation>
diff --git a/test/plantuml/scanned_medium/plantuml_226.puml b/test/plantuml/scanned_medium/plantuml_226.puml
new file mode 100644
index 0000000000000000000000000000000000000000..4ed1ad2cdee6c2fc9d188042d0d8a4e15249bb57
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_226.puml
@@ -0,0 +1,48 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Follower Growth Monitoring" as Group0 #FBE9E7 {
+    rectangle "Social Selling" as nest0_0 #E8F0EA
+    usecase "Brand Voice Development" as nest0_1 #E4E0DF
+}
+usecase "Paid Social Media Advertising" as N0 #FDFCEB
+cloud "Platform Selection" as N1 #E4E0DF
+frame "Campaign Management" as N2 #E4E0DF
+folder "Crisis Management" as N3 #E8F0EA
+usecase "Social Media Audits" as N4 #FDFCEB
+rectangle "Scheduling Posts" as N5 #E8F0EA
+artifact "Story Format Content Creation" as N6 #E8F0EA
+node "Platform Algorithm Understanding" as N7 #FDFCEB
+rectangle "Reach and Impressions Tracking" as N8 #E4E0DF
+artifact "Live Streaming on Social Media" as N9 #E4E0DF
+folder "Competitor Analysis" as N10 #E8F0EA
+component "Content Moderation" as N11 #FDFCEB
+circle " " as S0 #E4E0DF
+circle " " as S1 #E4E0DF
+circle " " as M1 #E4E0DF
+N0 ..[#BDAFA8]..> N1
+N1 -[#92C79A]-> N2
+N2 ..[#92C79A]..> N3 : explores new features
+N3 ..[#92C79A]..> N4
+N4 -[#000000]-> N5
+N5 ..[#EAEFA5]..> N6
+N6 ..[#92C79A]..> N7 : shares links
+N7 -[#EAEFA5]-> N8
+N8 ..[#92C79A]..> N9
+N9 -[#92C79A]-> N10
+N10 -[#EAEFA5]-> N11
+nest0_0 -[#EAEFA5]-> nest0_1
+N2 ..[#EAEFA5]..> nest0_0 : builds groups
+nest0_1 -[#EAEFA5]-> N11 : conducts social audits
+N0 -[#EAEFA5]-> S0
+S0 ..[#000000]..> N10
+S0 -[#EAEFA5]-> N3 : selects platforms
+N6 -[#BDAFA8]-> S1
+S1 -[#BDAFA8]-> N8
+S1 -[#BDAFA8]-> N11
+N3 ..[#92C79A]..> M1
+N1 -[#000000]-> M1
+N2 -[#92C79A]-> M1 : schedules posts
+M1 -[#BDAFA8]-> N5
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_226.txt b/test/plantuml/scanned_medium/plantuml_226.txt
new file mode 100644
index 0000000000000000000000000000000000000000..babe6aaae3effa1adeeedbb6a7d092abc67e523d
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_226.txt
@@ -0,0 +1,23 @@
+<Brand Voice Development, conducts social audits, Content Moderation>
+<Brand Voice Development, partOf, Follower Growth Monitoring>
+<Campaign Management, builds groups, Social Selling>
+<Campaign Management, explores new features, Crisis Management>
+<Campaign Management, schedules posts, Scheduling Posts>
+<Competitor Analysis, connectedTo, Content Moderation>
+<Crisis Management, connectedTo, Scheduling Posts>
+<Crisis Management, connectedTo, Social Media Audits>
+<Live Streaming on Social Media, connectedTo, Competitor Analysis>
+<Paid Social Media Advertising, connectedTo, Competitor Analysis>
+<Paid Social Media Advertising, connectedTo, Platform Selection>
+<Paid Social Media Advertising, selects platforms, Crisis Management>
+<Platform Algorithm Understanding, connectedTo, Reach and Impressions Tracking>
+<Platform Selection, connectedTo, Campaign Management>
+<Platform Selection, connectedTo, Scheduling Posts>
+<Reach and Impressions Tracking, connectedTo, Live Streaming on Social Media>
+<Scheduling Posts, connectedTo, Story Format Content Creation>
+<Social Media Audits, connectedTo, Scheduling Posts>
+<Social Selling, connectedTo, Brand Voice Development>
+<Social Selling, partOf, Follower Growth Monitoring>
+<Story Format Content Creation, connectedTo, Content Moderation>
+<Story Format Content Creation, connectedTo, Reach and Impressions Tracking>
+<Story Format Content Creation, shares links, Platform Algorithm Understanding>
diff --git a/test/plantuml/scanned_medium/plantuml_234.txt b/test/plantuml/scanned_medium/plantuml_234.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9797a974a383b6ef3527890185a1210f5f31be58
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_234.txt
@@ -0,0 +1,26 @@
+<Attribute Management, ensures non_repudiation, Blockchain_based Identity>
+<Attribute Management, partOf, Privacy Management>
+<Biometric Authentication, uses biometrics, User Provisioning>
+<Blockchain_based Identity, connectedTo, Decentralized Identifiers>
+<Blockchain_based Identity, partOf, Privacy Management>
+<Compliance with Data Protection Regulations, connectedTo, Biometric Authentication>
+<Compliance with Data Protection Regulations, connectedTo, Identity Lifecycle Management>
+<Credential Management, connectedTo, Data Minimization Principles>
+<Credential Management, connectedTo, Identity Lifecycle Management>
+<Credential Management, connectedTo, Privileged Access Management>
+<Credential Management, stores attributes, Identity Lifecycle Management>
+<Data Minimization Principles, connectedTo, Identity Lifecycle Management>
+<Decentralized Identifiers, implements PAM, Verifiable Credentials>
+<Decentralized Identifiers, partOf, Privacy Management>
+<Portable Identities, connectedTo, Biometric Authentication>
+<Portable Identities, connectedTo, Compliance with Data Protection Regulations>
+<Portable Identities, connectedTo, Identity Lifecycle Management>
+<Portable Identities, connectedTo, User Provisioning>
+<Portable Identities, ensures privacy, Identity Lifecycle Management>
+<Privileged Access Management, issues certificates, Identity Lifecycle Management>
+<Privileged Access Management, provides verifiable proofs, Portable Identities>
+<User Provisioning, connectedTo, Attribute Management>
+<User Provisioning, connectedTo, Identity Lifecycle Management>
+<User Provisioning, manages credentials, Data Minimization Principles>
+<Verifiable Credentials, connectedTo, Identity Lifecycle Management>
+<Verifiable Credentials, partOf, Privacy Management>
diff --git a/test/plantuml/scanned_medium/plantuml_239.puml b/test/plantuml/scanned_medium/plantuml_239.puml
new file mode 100644
index 0000000000000000000000000000000000000000..1edc2457452b977fda6a3419d27967429503951c
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_239.puml
@@ -0,0 +1,40 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Continuous Course Improvement" as Group0 #F3E5F5 {
+    frame "Course Audit Options" as nest0_0 #FFFCE6
+    folder "Verified Track Management" as nest0_1 #FFFAE0
+}
+database "Financial Aid for Learners" as N0 #FFFAE0
+component "Course Retirement Planning" as N1 #FFFCE6
+node "Employer Recognition" as N2 #F5F5DC
+usecase "Marketing to Global Audience" as N3 #F5F5DC
+usecase "Certificate of Completion Issuance" as N4 #FFFCE6
+rectangle "Instructor_Led Sessions" as N5 #F5F5DC
+cloud "Gamification for Engagement" as N6 #FFFCE6
+rectangle "Technical Infrastructure for Scale" as N7 #FFFAE0
+cloud "Engagement Metrics Tracking" as N8 #FFFCE6
+node "Research on MOOC Effectiveness" as N9 #FFFCE6
+circle " " as S0 #F5F5DC
+circle " " as M0 #FFFCE6
+N0 ..[#000000]..> N1 : facilitates peer review
+N1 ..[#000000]..> N2 : provides readings
+N2 ..[#BCB88A]..> N3
+N3 ..[#FFE470]..> N4 : integrates videos
+N4 ..[#BCB88A]..> N5 : tracks completion
+N5 -[#FFE470]-> N6
+N6 ..[#FFE470]..> N7
+N7 -[#BCB88A]-> N8
+N8 ..[#FFF9AE]..> N9
+nest0_0 -[#FFE470]-> nest0_1
+N2 ..[#FFE470]..> nest0_0 : partners with universities
+nest0_1 -[#000000]-> N2
+N5 ..[#FFF9AE]..> S0
+S0 -[#FFF9AE]-> N8
+S0 -[#BCB88A]-> N7
+N1 ..[#FFE470]..> M0 : builds communities
+N2 ..[#BCB88A]..> M0
+N0 -[#BCB88A]-> M0
+M0 -[#FFF9AE]-> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_24.txt b/test/plantuml/scanned_medium/plantuml_24.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d607fe438f238a523b6449df25e7e6c62b80a0ef
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_24.txt
@@ -0,0 +1,9 @@
+<City_wide Sensor Network Deployment, integrates, Urban Mobility Solutions>
+<Cybersecurity for Infrastructure, maintains, Renewable Energy Integration>
+<E_governance Services, connectedTo, Smart Traffic Lights>
+<Public Health Monitoring, connectedTo, E_governance Services>
+<Renewable Energy Integration, connectedTo, City_wide Sensor Network Deployment>
+<Renewable Energy Integration, services, Smart Education Initiatives>
+<Smart Education Initiatives, designs, Public Health Monitoring>
+<Smart Traffic Lights, connectedTo, City_wide Sensor Network Deployment>
+<Urban Mobility Solutions, connectedTo, Smart Education Initiatives>
diff --git a/test/plantuml/scanned_medium/plantuml_240.txt b/test/plantuml/scanned_medium/plantuml_240.txt
new file mode 100644
index 0000000000000000000000000000000000000000..29527d54271eb756ac03570f40b748917e66eb3a
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_240.txt
@@ -0,0 +1,23 @@
+<Certificate of Completion Issuance, connectedTo, Global Accessibility Features>
+<Content Licensing, connectedTo, Peer Grading Implementation>
+<Corporate Training Solutions, connectedTo, Discussion Forum Management>
+<Course Audit Options, connectedTo, Specialization or Professional Certificate Programs>
+<Course Promotion, connectedTo, Skill_Based Learning Outcomes>
+<Discussion Forum Management, analyzes data, Peer Grading Implementation>
+<Discussion Forum Management, connectedTo, Content Licensing>
+<Discussion Forum Management, connectedTo, Engagement Metrics Tracking>
+<Discussion Forum Management, connectedTo, Peer Grading Implementation>
+<Global Accessibility Features, connectedTo, University Partnerships>
+<Instructor Recruitment for MOOCs, issues statements of accomplishment, Course Promotion>
+<Instructor_Led Sessions, connectedTo, Technical Infrastructure for Scale>
+<Instructor_Led Sessions, partOf, Forum Moderation>
+<Learner Analytics, connectedTo, Course Audit Options>
+<Peer Grading Implementation, administers quizzes, Engagement Metrics Tracking>
+<Peer Grading Implementation, connectedTo, Video Lecture Production>
+<Skill_Based Learning Outcomes, connectedTo, Corporate Training Solutions>
+<Specialization or Professional Certificate Programs, innovates pedagogy, Certificate of Completion Issuance>
+<Technical Infrastructure for Scale, partOf, Forum Moderation>
+<Technical Infrastructure for Scale, personalizes learning, Engagement Metrics Tracking>
+<University Partnerships, connectedTo, Instructor Recruitment for MOOCs>
+<Video Lecture Production, connectedTo, Instructor_Led Sessions>
+<Video Lecture Production, partOf, Forum Moderation>
diff --git a/test/plantuml/scanned_medium/plantuml_249.puml b/test/plantuml/scanned_medium/plantuml_249.puml
new file mode 100644
index 0000000000000000000000000000000000000000..a0f66a4f15d995ea2d92c8a1bec7fe5f111d9862
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_249.puml
@@ -0,0 +1,84 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Cold Chain Management" as Group0 #E0F2F1 {
+    artifact "Route Assignment" as nest0_0 #E9F7E8
+    folder "Global Trade Compliance" as nest0_1 #EDE7F6
+}
+rectangle "Delivery Confirmation" as Group1 #FBE9E7 {
+    folder "Proof of Delivery" as nest1_0 #E9F7E8
+    database "Freight Booking" as nest1_1 #CFD8DC
+    database "Last_mile Dispatch" as nest1_2 #E9F7E8
+    database "Carrier Selection" as nest1_3 #E9F7E8
+}
+component "Customs Clearance" as N0 #E9F7E8
+database "Rail Transport Coordination" as N1 #CFD8DC
+node "Air Cargo Handling" as N2 #CFD8DC
+node "Customs Declaration" as N3 #E9F7E8
+cloud "Delay Notification" as N4 #E9F7E8
+database "Inventory Sync" as N5 #CFD8DC
+cloud "Damage Reporting" as N6 #E9F7E8
+folder "Supply Chain Visibility" as N7 #E9F7E8
+rectangle "Warehouse Entry" as N8 #EDE7F6
+rectangle "Order Picking" as N9 #CFD8DC
+folder "Vehicle Loading" as N10 #CFD8DC
+component "Yard Management" as N11 #EDE7F6
+folder "Hazardous Material Transport" as N12 #EDE7F6
+database "Hub Transfer" as N13 #E9F7E8
+node "Consolidation" as N14 #E9F7E8
+folder "Route Optimization Software" as N15 #EDE7F6
+database "Demand Forecasting Integration" as N16 #EDE7F6
+folder "Cross_docking" as N17 #EDE7F6
+circle " " as S0 #E9F7E8
+circle " " as S1 #EDE7F6
+circle " " as S2 #CFD8DC
+circle " " as M0 #CFD8DC
+circle " " as M1 #EDE7F6
+circle " " as M2 #CFD8DC
+N0 ..[#6EB76D]..> N1
+N1 -[#000000]-> N2
+N2 ..[#6EB76D]..> N3
+N3 -[#000000]-> N4
+N4 ..[#000000]..> N5
+N5 -[#7E57C2]-> N6
+N6 ..[#6EB76D]..> N7
+N7 ..[#607D8B]..> N8
+N8 ..[#607D8B]..> N9
+N9 ..[#000000]..> N10
+N10 -[#6EB76D]-> N11
+N11 ..[#607D8B]..> N12
+N12 ..[#6EB76D]..> N13
+N13 -[#607D8B]-> N14
+N14 -[#6EB76D]-> N15
+N15 ..[#000000]..> N16
+N16 -[#000000]-> N17 : forecasts
+nest0_0 ..[#000000]..> nest0_1 : scans
+N4 ..[#607D8B]..> nest0_0 : clears
+nest0_1 ..[#000000]..> N13
+nest1_0 ..[#6EB76D]..> nest1_1
+nest1_1 ..[#607D8B]..> nest1_2
+nest1_2 ..[#000000]..> nest1_3
+N15 ..[#6EB76D]..> nest1_0
+nest1_3 -[#7E57C2]-> N7
+N14 ..[#7E57C2]..> S0
+S0 -[#000000]-> N16
+S0 -[#607D8B]-> N17 : receives
+N14 -[#000000]-> S1
+S1 -[#7E57C2]-> N17
+S1 -[#607D8B]-> N16
+N13 -[#607D8B]-> S2
+S2 -[#7E57C2]-> N15
+S2 ..[#607D8B]..> N16
+N10 ..[#6EB76D]..> M0
+N13 -[#607D8B]-> M0
+N4 ..[#607D8B]..> M0
+M0 -[#607D8B]-> N15
+N1 ..[#7E57C2]..> M1
+N2 ..[#7E57C2]..> M1
+M1 ..[#7E57C2]..> N4
+N0 ..[#607D8B]..> M2 : checks in
+N4 -[#000000]-> M2
+N8 ..[#607D8B]..> M2
+M2 -[#000000]-> N12
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_253.puml b/test/plantuml/scanned_medium/plantuml_253.puml
new file mode 100644
index 0000000000000000000000000000000000000000..ffecd324c184c9c479e3d806abfb32b2a35f0e9a
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_253.puml
@@ -0,0 +1,64 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Virtual Tour Creation" as Group0 #EDE7F6 {
+    component "Buyer Inquiry" as nest0_0 #EDE7F6
+    database "Property Insurance" as nest0_1 #E9F7E8
+    folder "Investment Property Analysis" as nest0_2 #E9F7E8
+}
+rectangle "Eviction Process" as Group1 #FCE4EC {
+    usecase "Property Management" as nest1_0 #F9FBE7
+    node "Tenant Screening" as nest1_1 #F9FBE7
+    folder "Offer Submission" as nest1_2 #EDE7F6
+    folder "Market Trend Analysis" as nest1_3 #F9FBE7
+}
+folder "Property Valuation" as N0 #EDE7F6
+folder "Property Tax Payment" as N1 #EDE7F6
+rectangle "Commercial Lease Negotiation" as N2 #EDE7F6
+cloud "Legal Verification" as N3 #EDE7F6
+component "Lease Renewal" as N4 #EDE7F6
+artifact "Open House Event" as N5 #E9F7E8
+cloud "Rental Agreement" as N6 #EDE7F6
+frame "Closing Meeting" as N7 #EDE7F6
+node "Maintenance Request" as N8 #E9F7E8
+usecase "Agent Assignment" as N9 #EDE7F6
+usecase "Contract Review" as N10 #F9FBE7
+component "Building Permit Application" as N11 #EDE7F6
+circle " " as S0 #EDE7F6
+circle " " as S2 #E9F7E8
+circle " " as M0 #E9F7E8
+circle " " as M1 #EDE7F6
+N0 -[#9575CD]-> N1
+N1 -[#9575CD]-> N2 : manages
+N2 ..[#6EB76D]..> N3
+N3 ..[#C0CA33]..> N4 : transfers
+N4 -[#9575CD]-> N5
+N5 -[#000000]-> N6
+N6 -[#6EB76D]-> N7
+N7 -[#9575CD]-> N8
+N8 -[#000000]-> N9
+N9 ..[#000000]..> N10
+N10 -[#6EB76D]-> N11
+nest0_0 ..[#6EB76D]..> nest0_1
+nest0_1 -[#000000]-> nest0_2
+N4 -[#C0CA33]-> nest0_0
+nest0_2 -[#C0CA33]-> N1
+nest1_0 -[#C0CA33]-> nest1_1
+nest1_1 -[#6EB76D]-> nest1_2
+nest1_2 ..[#9575CD]..> nest1_3
+N9 ..[#9575CD]..> nest1_0
+nest1_3 ..[#C0CA33]..> N10
+N7 -[#6EB76D]-> S0
+S0 ..[#6EB76D]..> N9
+S0 ..[#6EB76D]..> N10
+N4 -[#6EB76D]-> S2
+S2 ..[#000000]..> N9
+S2 -[#9575CD]-> N11
+N0 ..[#9575CD]..> M0
+N2 ..[#6EB76D]..> M0
+M0 -[#C0CA33]-> N4
+N5 -[#000000]-> M1
+N0 -[#6EB76D]-> M1 : constructs
+M1 ..[#000000]..> N8
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_27.txt b/test/plantuml/scanned_medium/plantuml_27.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0e967e6dfedea715c53ea48c46733cc7813712ed
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_27.txt
@@ -0,0 +1,13 @@
+<Agricultural Robotics, navigates, Robot Programming>
+<Calibration, manipulates, Agricultural Robotics>
+<Calibration, paints, Maintenance>
+<Data Collection, connectedTo, Robot Design>
+<Drone Control, automates, Embedded Systems Development>
+<Embedded Systems Development, connectedTo, Calibration>
+<End_Effector Design, monitors, Agricultural Robotics>
+<Ethical Robotics Development, welds, Data Collection>
+<Maintenance, tests, Drone Control>
+<Robot Design, connectedTo, End_Effector Design>
+<Robot Programming, connectedTo, Robotics Simulation>
+<Robotics Simulation, applies, Calibration>
+<Software Development, communicates, Ethical Robotics Development>
diff --git a/test/plantuml/scanned_medium/plantuml_274.puml b/test/plantuml/scanned_medium/plantuml_274.puml
new file mode 100644
index 0000000000000000000000000000000000000000..e3d4372cd90480e45ccb7ca94c38d50dc98dd81d
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_274.puml
@@ -0,0 +1,75 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "AI in Recruitment" as Group0 #EDE7F6 {
+    component "Candidate Tracking" as nest0_0 #ECEFF1
+    component "Internal Mobility" as nest0_1 #ECEFF1
+}
+rectangle "Job Description Creation" as Group1 #FFF3E0 {
+    database "Video Interviewing" as nest1_0 #ECEFF1
+    node "Candidate Assessment Design" as nest1_1 #FFF8E1
+    rectangle "Recruitment Analytics" as nest1_2 #FDFCEB
+    folder "Global Recruitment Strategy" as nest1_3 #FFF8E1
+}
+folder "Candidate Relationship Management" as N0 #FDFCEB
+database "Executive Search" as N1 #FFF8E1
+artifact "Campus Recruitment" as N2 #ECEFF1
+artifact "Employee Referral Program" as N3 #ECEFF1
+cloud "Contingent Workforce Management" as N4 #FDFCEB
+folder "Compliance in Hiring" as N5 #FDFCEB
+database "Onboarding Handoff" as N6 #FFF8E1
+usecase "Candidate Experience Management" as N7 #FDFCEB
+artifact "Job Fair Organization" as N8 #FDFCEB
+node "Employer Branding" as N9 #ECEFF1
+cloud "Reference Checking" as N10 #ECEFF1
+component "Background Check" as N11 #ECEFF1
+folder "Recruitment Process Outsourcing Management" as N12 #FDFCEB
+database "Passive Candidate Engagement" as N13 #ECEFF1
+folder "Temporary Staffing" as N14 #FFF8E1
+circle " " as S0 #FDFCEB
+circle " " as S1 #FDFCEB
+circle " " as S2 #FDFCEB
+circle " " as M0 #FDFCEB
+circle " " as M1 #FFF8E1
+N0 ..[#000000]..> N1
+N1 -[#FFD54F]-> N2
+N2 -[#90A4AE]-> N3
+N3 -[#FFD54F]-> N4
+N4 -[#EAEFA5]-> N5
+N5 -[#EAEFA5]-> N6
+N6 ..[#90A4AE]..> N7
+N7 ..[#000000]..> N8
+N8 -[#000000]-> N9
+N9 ..[#000000]..> N10
+N10 ..[#000000]..> N11
+N11 ..[#EAEFA5]..> N12
+N12 -[#90A4AE]-> N13
+N13 -[#EAEFA5]-> N14
+nest0_0 -[#90A4AE]-> nest0_1
+N3 ..[#FFD54F]..> nest0_0 : optimizes
+nest0_1 -[#EAEFA5]-> N10
+nest1_0 ..[#EAEFA5]..> nest1_1
+nest1_1 ..[#EAEFA5]..> nest1_2 : trains
+nest1_2 ..[#EAEFA5]..> nest1_3
+N1 -[#000000]-> nest1_0
+nest1_3 -[#000000]-> N4
+N3 ..[#000000]..> S0
+S0 ..[#EAEFA5]..> N5
+S0 -[#90A4AE]-> N6
+N9 ..[#EAEFA5]..> S1
+S1 ..[#90A4AE]..> N14
+S1 ..[#90A4AE]..> N12
+S1 ..[#90A4AE]..> N11
+N5 ..[#90A4AE]..> S2
+S2 ..[#FFD54F]..> N10
+S2 ..[#EAEFA5]..> N9
+S2 -[#FFD54F]-> N14
+N6 -[#EAEFA5]-> M0
+N1 -[#000000]-> M0
+M0 -[#EAEFA5]-> N8
+N3 -[#EAEFA5]-> M1
+N0 ..[#90A4AE]..> M1 : screens
+N1 -[#EAEFA5]-> M1
+M1 ..[#000000]..> N11
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_283.txt b/test/plantuml/scanned_medium/plantuml_283.txt
new file mode 100644
index 0000000000000000000000000000000000000000..35e56c6ec04de330f59e8dcd491bfccab42c38bb
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_283.txt
@@ -0,0 +1,50 @@
+<Agricultural Water Use Efficiency, connectedTo, Desalination>
+<Billing and Revenue Management, connectedTo, Ecosystem Protection>
+<Billing and Revenue Management, connectedTo, Water Loss Detection>
+<Desalination, connectedTo, Industrial Water Use Optimization>
+<Desalination, permits, Smart Water Networks>
+<Ecosystem Protection, connectedTo, Groundwater Management>
+<Ecosystem Protection, connectedTo, Piping Network Repair>
+<Environmental Flow Assessment, connectedTo, Ecosystem Protection>
+<Environmental Flow Assessment, partOf, Wastewater Treatment>
+<Flood Control, connectedTo, Industrial Water Use Optimization>
+<Flood Control, connectedTo, Sewer System Inspection>
+<Flood Control, connectedTo, Transboundary Water Management>
+<Flood Control, connectedTo, Water Loss Detection>
+<Flood Control, connectedTo, Water Rights Management>
+<Flood Control, purifies, Stormwater Management>
+<Flood Control, treats, Agricultural Water Use Efficiency>
+<Groundwater Management, partOf, Hydroelectric Power Generation>
+<Groundwater Management, repairs, Rainwater Harvesting>
+<Industrial Water Use Optimization, connectedTo, Climate Change Adaptation for Water>
+<Piping Network Repair, connectedTo, Water Loss Detection>
+<Public Awareness Campaigns, connectedTo, Environmental Flow Assessment>
+<Public Awareness Campaigns, partOf, Wastewater Treatment>
+<Rainwater Harvesting, connectedTo, Piping Network Repair>
+<Rainwater Harvesting, partOf, Hydroelectric Power Generation>
+<Reservoir Operation, connectedTo, Agricultural Water Use Efficiency>
+<Reservoir Operation, connectedTo, Flood Control>
+<Reservoir Operation, connectedTo, Water Loss Detection>
+<Sewer System Inspection, connectedTo, Billing and Revenue Management>
+<Sewer System Inspection, connectedTo, Industrial Water Use Optimization>
+<Sewer System Inspection, connectedTo, Water Loss Detection>
+<Smart Water Networks, connectedTo, Transboundary Water Management>
+<Stormwater Management, connectedTo, Agricultural Water Use Efficiency>
+<Stormwater Management, connectedTo, Watershed Management>
+<Stormwater Management, distributes, Water Resource Planning>
+<Transboundary Water Management, connectedTo, Climate Change Adaptation for Water>
+<Transboundary Water Management, connectedTo, Industrial Water Use Optimization>
+<Transboundary Water Management, connectedTo, Water Rights Management>
+<Water Conservation Planning, connectedTo, Public Awareness Campaigns>
+<Water Conservation Planning, partOf, Wastewater Treatment>
+<Water Loss Detection, connectedTo, Stormwater Management>
+<Water Resource Planning, irrigates, Agricultural Water Use Efficiency>
+<Water Resource Planning, responds, Water Scarcity Mitigation>
+<Water Rights Management, connectedTo, Industrial Water Use Optimization>
+<Water Scarcity Mitigation, connectedTo, Agricultural Water Use Efficiency>
+<Water Scarcity Mitigation, connectedTo, Industrial Water Use Optimization>
+<Water Scarcity Mitigation, connectedTo, Transboundary Water Management>
+<Water Scarcity Mitigation, models, Water Rights Management>
+<Water Scarcity Mitigation, tests, Desalination>
+<Watershed Management, connectedTo, Water Conservation Planning>
+<Watershed Management, partOf, Wastewater Treatment>
diff --git a/test/plantuml/scanned_medium/plantuml_287.puml b/test/plantuml/scanned_medium/plantuml_287.puml
new file mode 100644
index 0000000000000000000000000000000000000000..b2d857de634201ca9b3c2863f1dba96fa642293b
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_287.puml
@@ -0,0 +1,57 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Story Time Reading" as Group0 #FFF3E0 {
+    rectangle "Staff Training and Certification" as nest0_0 #FFE88D
+    database "Child Development Assessment" as nest0_1 #ECF0FD
+    usecase "First Aid Administration" as nest0_2 #F8FDD3
+    folder "Early Literacy Programs" as nest0_3 #ECF0FD
+}
+rectangle "Motor Skill Development" as Group1 #F3E5F5 {
+    usecase "After_School Programs" as nest1_0 #ECF0FD
+    node "Social Skill Development" as nest1_1 #FFE88D
+}
+folder "Creative Arts Activities" as N0 #FFE88D
+folder "Group Activities Coordination" as N1 #F8FDD3
+frame "Daily Activity Reporting" as N2 #FFE88D
+database "Individualized Attention" as N3 #ECF0FD
+cloud "Sensory Play" as N4 #F8FDD3
+usecase "Outdoor Exploration" as N5 #F8FDD3
+component "Parent_Teacher Conferences" as N6 #F8FDD3
+usecase "Child Psychology Application" as N7 #F8FDD3
+folder "Teacher_Child Ratio Management" as N8 #F8FDD3
+frame "Toddler Activities" as N9 #FFE88D
+folder "Preschool Education" as N10 #ECF0FD
+circle " " as S1 #F8FDD3
+circle " " as M0 #FFE88D
+circle " " as M1 #F8FDD3
+N0 -[#B8C0F5]-> N1
+N1 ..[#B8C0F5]..> N2 : manages
+N2 -[#D3EB9F]-> N3
+N3 ..[#FFDA4E]..> N4 : administers
+N4 -[#000000]-> N5
+N5 -[#D3EB9F]-> N6
+N6 ..[#D3EB9F]..> N7
+N7 ..[#000000]..> N8
+N8 ..[#000000]..> N9
+N9 -[#FFDA4E]-> N10 : teaches
+nest0_0 -[#D3EB9F]-> nest0_1 : responds
+nest0_1 ..[#FFDA4E]..> nest0_2
+nest0_2 -[#D3EB9F]-> nest0_3
+N8 -[#FFDA4E]-> nest0_0
+nest0_3 ..[#000000]..> N8
+nest1_0 ..[#000000]..> nest1_1
+N3 ..[#D3EB9F]..> nest1_0 : monitors
+nest1_1 -[#000000]-> N10
+N3 -[#B8C0F5]-> S1
+S1 ..[#FFDA4E]..> N7
+S1 -[#000000]-> N9
+N3 -[#FFDA4E]-> M0
+N7 -[#D3EB9F]-> M0
+M0 -[#FFDA4E]-> N9
+N4 -[#000000]-> M1
+N0 ..[#000000]..> M1
+N1 ..[#FFDA4E]..> M1
+M1 ..[#000000]..> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_294.txt b/test/plantuml/scanned_medium/plantuml_294.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ddb2ca0a41dfcbaa27642404ad2dd2521e8bf307
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_294.txt
@@ -0,0 +1,42 @@
+<Advanced Materials Research, connectedTo, Ethical Implications of Nanotech>
+<Atomic Force Microscopy, connectedTo, Transmission Electron Microscopy>
+<Atomic Force Microscopy, partOf, Scanning Electron Microscopy>
+<Bio_Nanotechnology Interface, connectedTo, Environmental Remediation with Nanomaterials>
+<Bio_Nanotechnology Interface, connectedTo, Molecular Self_Assembly>
+<Bio_Nanotechnology Interface, connectedTo, Spintronics>
+<Biosensors, connectedTo, Advanced Materials Research>
+<Catalysis at Nanoscale, connectedTo, Public Perception of Nanotechnology>
+<Computational Nanotechnology, connectedTo, Risk Assessment of Nanomaterials>
+<Computational Nanotechnology, partOf, Solar Cell Efficiency Enhancement>
+<Environmental Remediation with Nanomaterials, connectedTo, Lab_on_a_Chip Devices>
+<Ethical Implications of Nanotech, connectedTo, Catalysis at Nanoscale>
+<Food Packaging Improvement, connectedTo, Atomic Force Microscopy>
+<Food Packaging Improvement, partOf, Scanning Electron Microscopy>
+<Lab_on_a_Chip Devices, connectedTo, Computational Nanotechnology>
+<Lab_on_a_Chip Devices, connectedTo, Ethical Implications of Nanotech>
+<Lab_on_a_Chip Devices, connectedTo, Nanosensors>
+<Lab_on_a_Chip Devices, connectedTo, Water Purification using Nanomaterials>
+<Molecular Self_Assembly, connectedTo, Nanoelectronics>
+<Molecular Self_Assembly, connectedTo, Spintronics>
+<Nanocomposites, connectedTo, Regulatory Framework for Nanotech>
+<Nanoelectronics, connectedTo, Environmental Remediation with Nanomaterials>
+<Nanoelectronics, connectedTo, Food Packaging Improvement>
+<Nanoelectronics, connectedTo, Spintronics>
+<Nanoelectronics, connectedTo, X_ray Diffraction>
+<Nanomaterial Synthesis, connectedTo, Environmental Remediation with Nanomaterials>
+<Nanoparticle Characterization, connectedTo, Catalysis at Nanoscale>
+<Nanoparticle Characterization, partOf, Solar Cell Efficiency Enhancement>
+<Nanosensors, connectedTo, Nanocomposites>
+<Nanosensors, connectedTo, Regulatory Framework for Nanotech>
+<Nanosensors, connectedTo, Water Purification using Nanomaterials>
+<Photovoltaics, connectedTo, Nanoparticle Characterization>
+<Photovoltaics, partOf, Solar Cell Efficiency Enhancement>
+<Public Perception of Nanotechnology, connectedTo, Nanocomposites>
+<Risk Assessment of Nanomaterials, connectedTo, Photovoltaics>
+<Risk Assessment of Nanomaterials, partOf, Solar Cell Efficiency Enhancement>
+<Spintronics, connectedTo, Nanomaterial Synthesis>
+<Transmission Electron Microscopy, connectedTo, Water Purification using Nanomaterials>
+<Transmission Electron Microscopy, partOf, Scanning Electron Microscopy>
+<Water Purification using Nanomaterials, connectedTo, Biosensors>
+<X_ray Diffraction, connectedTo, Environmental Remediation with Nanomaterials>
+<X_ray Diffraction, connectedTo, Spintronics>
diff --git a/test/plantuml/scanned_medium/plantuml_319.txt b/test/plantuml/scanned_medium/plantuml_319.txt
new file mode 100644
index 0000000000000000000000000000000000000000..008297351b2abbce47b2777521c01897c89d7be8
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_319.txt
@@ -0,0 +1,34 @@
+<Accessibility Features, connectedTo, Technical Support for Students>
+<Accessibility Features, partOf, Gamification in Education>
+<Accreditation Management, connectedTo, Language Learning Platforms>
+<Certification Issuance, connectedTo, Virtual Labs and Simulations>
+<Certification Issuance, personalizes learning, Interactive Learning Activities>
+<Content Creation, connectedTo, Certification Issuance>
+<Course Design, connectedTo, Discussion Forum Moderation>
+<Course Design, partOf, Gamification in Education>
+<Course Evaluation, connectedTo, Language Learning Platforms>
+<Course Evaluation, partOf, AI in Online Education>
+<Discussion Forum Moderation, connectedTo, Accessibility Features>
+<Discussion Forum Moderation, partOf, Gamification in Education>
+<Instructor Training, connectedTo, Certification Issuance>
+<Instructor Training, connectedTo, Content Creation>
+<Instructor Training, connectedTo, Virtual Labs and Simulations>
+<Interactive Learning Activities, connectedTo, Course Evaluation>
+<Interactive Learning Activities, partOf, AI in Online Education>
+<Language Learning Platforms, connectedTo, Certification Issuance>
+<Language Learning Platforms, connectedTo, Instructor Training>
+<Learning Analytics, connectedTo, Accreditation Management>
+<Learning Analytics, connectedTo, Certification Issuance>
+<Learning Analytics, connectedTo, Online Tutoring>
+<Online Tutoring, connectedTo, Accreditation Management>
+<Online Tutoring, connectedTo, Certification Issuance>
+<Online Tutoring, connectedTo, Course Design>
+<Online Tutoring, connectedTo, Technical Support for Students>
+<Peer_to_Peer Learning, connectedTo, Accreditation Management>
+<Peer_to_Peer Learning, connectedTo, Certification Issuance>
+<Peer_to_Peer Learning, connectedTo, Content Creation>
+<Peer_to_Peer Learning, ensures accessibility, Virtual Classroom Facilitation>
+<Peer_to_Peer Learning, tracks progress, Accreditation Management>
+<Technical Support for Students, connectedTo, Certification Issuance>
+<Technical Support for Students, connectedTo, Peer_to_Peer Learning>
+<Virtual Classroom Facilitation, connectedTo, Accreditation Management>
diff --git a/test/plantuml/scanned_medium/plantuml_322.puml b/test/plantuml/scanned_medium/plantuml_322.puml
new file mode 100644
index 0000000000000000000000000000000000000000..ee8ffbde453a9882a1dd58b83713ac82d2168a01
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_322.puml
@@ -0,0 +1,75 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Language for Specific Purposes" as Group0 #E8F5E9 {
+    cloud "Sentence Construction Practice" as nest0_0 #FFF6D9
+    cloud "Language Assessment Tests" as nest0_1 #EFEBE9
+}
+rectangle "Self_Study Modules" as Group1 #E3F2FD {
+    database "Slang and Idioms Learning" as nest1_0 #EFEBE9
+    usecase "Cultural Immersion" as nest1_1 #C8E6C9
+}
+folder "Speaking Practice" as N0 #C8E6C9
+rectangle "Adult Language Learning" as N1 #FFF6D9
+component "Native Speaker Interaction" as N2 #EFEBE9
+rectangle "Error Correction Feedback" as N3 #EFEBE9
+frame "Travel Language Essentials" as N4 #EFEBE9
+cloud "Memory Retention Techniques" as N5 #FFF6D9
+component "Immersion Programs" as N6 #FFF6D9
+folder "Reading Comprehension" as N7 #FFF6D9
+rectangle "Grammar Practice" as N8 #EFEBE9
+node "Personalized Learning Paths" as N9 #EFEBE9
+artifact "Role_Playing Scenarios" as N10 #EFEBE9
+database "Contextual Learning" as N11 #EFEBE9
+rectangle "Pronunciation Drills" as N12 #C8E6C9
+usecase "Listening Comprehension" as N13 #FFF6D9
+artifact "Accent Reduction Coaching" as N14 #FFF6D9
+usecase "Curriculum Customization" as N15 #FFF6D9
+cloud "Video Lessons" as N16 #EFEBE9
+component "Vocabulary Acquisition" as N17 #FFF6D9
+circle " " as S0 #EFEBE9
+circle " " as S1 #FFF6D9
+circle " " as S2 #EFEBE9
+circle " " as M0 #C8E6C9
+circle " " as M1 #EFEBE9
+N0 ..[#000000]..> N1
+N1 ..[#000000]..> N2
+N2 ..[#000000]..> N3 : teaches
+N3 ..[#A1887F]..> N4
+N4 -[#A1887F]-> N5
+N5 ..[#A1887F]..> N6
+N6 ..[#A1887F]..> N7
+N7 -[#A1887F]-> N8
+N8 -[#A1887F]-> N9
+N9 ..[#388E3C]..> N10
+N10 -[#A1887F]-> N11
+N11 -[#000000]-> N12
+N12 -[#388E3C]-> N13
+N13 -[#A1887F]-> N14 : memorizes
+N14 ..[#000000]..> N15
+N15 -[#FFCC7A]-> N16
+N16 -[#A1887F]-> N17
+nest0_0 ..[#388E3C]..> nest0_1
+N16 ..[#A1887F]..> nest0_0
+nest0_1 -[#388E3C]-> N5
+nest1_0 ..[#FFCC7A]..> nest1_1
+N14 ..[#000000]..> nest1_0
+nest1_1 -[#FFCC7A]-> N5 : communicates
+N1 ..[#000000]..> S0
+S0 -[#000000]-> N11
+S0 -[#FFCC7A]-> N4
+N14 -[#000000]-> S1
+S1 -[#A1887F]-> N16
+S1 -[#A1887F]-> N17
+N12 -[#FFCC7A]-> S2
+S2 ..[#000000]..> N14
+S2 ..[#FFCC7A]..> N16
+N0 -[#FFCC7A]-> M0
+N5 -[#000000]-> M0
+M0 ..[#FFCC7A]..> N9
+N7 -[#FFCC7A]-> M1 : motivates
+N9 ..[#FFCC7A]..> M1
+N6 ..[#FFCC7A]..> M1 : tracks
+M1 ..[#FFCC7A]..> N17
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_325.txt b/test/plantuml/scanned_medium/plantuml_325.txt
new file mode 100644
index 0000000000000000000000000000000000000000..57beb3630cf34e89fb8061869a6ec78194e27778
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_325.txt
@@ -0,0 +1,38 @@
+<Balance and Coordination, connectedTo, Motivation and Goal Setting>
+<Balance and Coordination, connectedTo, Nutrition for Fitness>
+<Biometric Feedback Integration, connectedTo, Fitness Equipment Maintenance>
+<Biometric Feedback Integration, partOf, Personal Training>
+<Body Composition Analysis, connectedTo, Senior Fitness Programs>
+<Core Strengthening, connectedTo, Body Composition Analysis>
+<Core Strengthening, connectedTo, Rehabilitation Exercises>
+<Core Strengthening, connectedTo, Senior Fitness Programs>
+<Cross_Training, connectedTo, Fitness Equipment Maintenance>
+<Endurance Training, licenses, Balance and Coordination>
+<Endurance Training, partOf, Flexibility Training>
+<Fitness Assessment, connectedTo, Pilates Instruction>
+<Fitness Equipment Maintenance, connectedTo, Body Composition Analysis>
+<Fitness Equipment Maintenance, connectedTo, Core Strengthening>
+<Fitness Equipment Maintenance, connectedTo, Group Fitness Classes>
+<Functional Fitness Training, connectedTo, Nutrition for Fitness>
+<Mind_Body Connection, connectedTo, Outdoor Fitness Activities>
+<Mind_Body Connection, partOf, Personal Training>
+<Motivation and Goal Setting, connectedTo, Nutrition for Fitness>
+<Motivation and Goal Setting, connectedTo, Senior Fitness Programs>
+<Motivation and Goal Setting, connectedTo, Yoga Instruction>
+<Nutrition for Fitness, connectedTo, Cross_Training>
+<Outdoor Fitness Activities, connectedTo, Personalized Exercise Prescriptions>
+<Outdoor Fitness Activities, partOf, Personal Training>
+<Personalized Exercise Prescriptions, connectedTo, Biometric Feedback Integration>
+<Personalized Exercise Prescriptions, partOf, Personal Training>
+<Pilates Instruction, connectedTo, Balance and Coordination>
+<Rehabilitation Exercises, connectedTo, Strength Training>
+<Rehabilitation Exercises, partOf, Flexibility Training>
+<Senior Fitness Programs, connectedTo, Group Fitness Classes>
+<Strength Training, connectedTo, Endurance Training>
+<Strength Training, partOf, Flexibility Training>
+<Workout Planning, connectedTo, Functional Fitness Training>
+<Workout Tracking Apps, connectedTo, Workout Planning>
+<Yoga Instruction, assesses, Workout Tracking Apps>
+<Yoga Instruction, connectedTo, Core Strengthening>
+<Yoga Instruction, connectedTo, Mind_Body Connection>
+<Yoga Instruction, connectedTo, Nutrition for Fitness>
diff --git a/test/plantuml/scanned_medium/plantuml_334.txt b/test/plantuml/scanned_medium/plantuml_334.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2291aa5383bf06a8e766cd3cc9872aa1486da64d
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_334.txt
@@ -0,0 +1,40 @@
+<Anonymous Credential Systems, connectedTo, Auditability>
+<Anonymous Credential Systems, partOf, Voter Education Programs>
+<Auditability, connectedTo, Touchscreen Voting Machines>
+<Auditability, partOf, Voter Education Programs>
+<Ballot Creation, connectedTo, Voting Machine Design>
+<Biometric Voter ID, counts, Transparency>
+<Cryptographic Security, connectedTo, Vote Counting>
+<Cybersecurity for Voting Systems, connectedTo, Ballot Creation>
+<Election Official Training, connectedTo, Touchscreen Voting Machines>
+<Election Official Training, partOf, Direct Recording Electronic Systems>
+<Hardware Tamper Detection, connectedTo, Secure Data Transmission>
+<Legal Framework Compliance, connectedTo, Cryptographic Security>
+<Legal Framework Compliance, connectedTo, Online Voting Systems>
+<Legal Framework Compliance, connectedTo, System Certification>
+<Online Voting Systems, connectedTo, Cryptographic Security>
+<Optical Scan Systems, connectedTo, Security Protocols>
+<Penetration Testing, connectedTo, Voter Registration>
+<Post_Election Audits, connectedTo, Election Official Training>
+<Post_Election Audits, partOf, Direct Recording Electronic Systems>
+<Results Aggregation, connectedTo, Biometric Voter ID>
+<Risk Management for Elections, partOf, Direct Recording Electronic Systems>
+<Risk Management for Elections, resists, Post_Election Audits>
+<Secure Data Transmission, connectedTo, Touchscreen Voting Machines>
+<Security Protocols, connectedTo, Hardware Tamper Detection>
+<Security Protocols, connectedTo, Results Aggregation>
+<Touchscreen Voting Machines, connectedTo, Anonymous Credential Systems>
+<Touchscreen Voting Machines, connectedTo, Penetration Testing>
+<Transparency, connectedTo, Hardware Tamper Detection>
+<Transparency, connectedTo, Undue Influence Prevention>
+<Undue Influence Prevention, connectedTo, Hardware Tamper Detection>
+<Vote Counting, connectedTo, System Certification>
+<Voter Privacy Protection, connectedTo, Cryptographic Security>
+<Voter Privacy Protection, connectedTo, Legal Framework Compliance>
+<Voter Privacy Protection, connectedTo, Optical Scan Systems>
+<Voter Privacy Protection, connectedTo, Penetration Testing>
+<Voter Privacy Protection, connectedTo, Vote Counting>
+<Voter Registration, connectedTo, Legal Framework Compliance>
+<Voting Machine Design, connectedTo, Risk Management for Elections>
+<Voting Machine Design, connectedTo, Voter Privacy Protection>
+<Zero_Knowledge Proofs for Privacy, connectedTo, Cybersecurity for Voting Systems>
diff --git a/test/plantuml/scanned_medium/plantuml_34.puml b/test/plantuml/scanned_medium/plantuml_34.puml
new file mode 100644
index 0000000000000000000000000000000000000000..dca0a7b824124b07bd0cb38e2e098b7d97a6c716
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_34.puml
@@ -0,0 +1,21 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+folder "Headhunting" as N0 #FBE9E7
+folder "Job Fair Organization" as N1 #D1C4E9
+node "Candidate Tracking" as N2 #F9FBE7
+artifact "Job Description Creation" as N3 #D1C4E9
+cloud "Executive Search" as N4 #FBE9E7
+usecase "Passive Candidate Engagement" as N5 #FBE9E7
+frame "Candidate Assessment Design" as N6 #D1C4E9
+rectangle "Background Check" as N7 #D1C4E9
+N0 -[#673AB7]-> N1
+N1 ..[#000000]..> N2 : personalizes
+N2 ..[#FF8A65]..> N3
+N3 ..[#673AB7]..> N4 : brands
+N4 -[#673AB7]-> N5 : assesses
+N5 -[#FF8A65]-> N6 : innovates
+N6 ..[#000000]..> N7
+N0 -[#000000]-> N3
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_341.txt b/test/plantuml/scanned_medium/plantuml_341.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2c3317fef257484c88115f3c91364270dce0d583
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_341.txt
@@ -0,0 +1,41 @@
+<Bloodstain Pattern Analysis, partOf, Forensic Pathology>
+<Bloodstain Pattern Analysis, protects, Data Recovery>
+<Cold Case Review, connectedTo, Trace Evidence Analysis>
+<Cold Case Review, partOf, Forensic Pathology>
+<Courtroom Presentation, connectedTo, Forensic Accounting>
+<Courtroom Presentation, connectedTo, Network Forensics>
+<Courtroom Presentation, connectedTo, Voice Recognition>
+<Crime Database Search, connectedTo, Laboratory Analysis>
+<Data Recovery, connectedTo, Evidence Preservation>
+<Data Recovery, partOf, Forensic Pathology>
+<Evidence Preservation, connectedTo, Forensic Interviewing>
+<Evidence Preservation, connectedTo, Network Forensics>
+<Expert Witness Testimony, connectedTo, Forensic Interviewing>
+<Expert Witness Testimony, connectedTo, Malware Analysis>
+<Expert Witness Testimony, connectedTo, Network Forensics>
+<Fingerprint Analysis, connectedTo, Toxicology Testing>
+<Fingerprint Analysis, partOf, Arson Investigation>
+<Forensic Botany, connectedTo, Crime Database Search>
+<Forensic Botany, connectedTo, Expert Witness Testimony>
+<Forensic Botany, connectedTo, Forensic Interviewing>
+<Forensic Botany, connectedTo, Laboratory Analysis>
+<Forensic Botany, connectedTo, Vehicle Forensics>
+<Forensic Interviewing, connectedTo, Forensic Photography>
+<Forensic Photography, connectedTo, Laboratory Analysis>
+<Forensic Photography, connectedTo, Legal Standards Compliance>
+<Forensic Photography, connectedTo, Network Forensics>
+<Forensic Photography, connectedTo, Voice Recognition>
+<Laboratory Analysis, connectedTo, Courtroom Presentation>
+<Legal Standards Compliance, connectedTo, Cold Case Review>
+<Legal Standards Compliance, connectedTo, Crime Database Search>
+<Malware Analysis, connectedTo, Evidence Preservation>
+<Malware Analysis, connectedTo, Forensic Interviewing>
+<Network Forensics, connectedTo, Voice Recognition>
+<Toxicology Testing, connectedTo, Network Forensics>
+<Toxicology Testing, partOf, Arson Investigation>
+<Trace Evidence Analysis, connectedTo, Bloodstain Pattern Analysis>
+<Trace Evidence Analysis, partOf, Forensic Pathology>
+<Vehicle Forensics, connectedTo, Expert Witness Testimony>
+<Vehicle Forensics, connectedTo, Fingerprint Analysis>
+<Vehicle Forensics, connectedTo, Forensic Interviewing>
+<Voice Recognition, connectedTo, Forensic Accounting>
diff --git a/test/plantuml/scanned_medium/plantuml_346.txt b/test/plantuml/scanned_medium/plantuml_346.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0a7d1d25a0844cf07f33d297326f1287b163a034
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_346.txt
@@ -0,0 +1,34 @@
+<Buoy Deployment, connectedTo, Data Visualization>
+<Buoy Deployment, partOf, Ocean Carbon Cycle>
+<Chemical Oceanography, connectedTo, Coastal Zone Management>
+<Chemical Oceanography, connectedTo, Marine Hazards Assessment>
+<Chemical Oceanography, connectedTo, Marine Remote Sensing>
+<Chemical Oceanography, connectedTo, Underwater Acoustics>
+<Chemical Oceanography, geology, Ocean Floor Mapping>
+<Climate Change Impact Study, connectedTo, Ocean Floor Mapping>
+<Climate Change Impact Study, connectedTo, Ocean Temperature Sensing>
+<Coastal Zone Management, connectedTo, Marine Hazards Assessment>
+<Coastal Zone Management, connectedTo, Marine Remote Sensing>
+<Coastal Zone Management, connectedTo, Underwater Acoustics>
+<Coral Reef Monitoring, connectedTo, Ocean Drilling Programs>
+<Coral Reef Monitoring, partOf, Marine Geology>
+<Data Visualization, connectedTo, Seabed Resource Exploration>
+<Data Visualization, partOf, Ocean Carbon Cycle>
+<Marine Hazards Assessment, connectedTo, Coral Reef Monitoring>
+<Marine Hazards Assessment, connectedTo, Underwater Acoustics>
+<Ocean Drilling Programs, connectedTo, Plastic Pollution Research>
+<Ocean Drilling Programs, partOf, Marine Geology>
+<Ocean Floor Mapping, connectedTo, Coastal Zone Management>
+<Ocean Temperature Sensing, connectedTo, Marine Hazards Assessment>
+<Ocean Temperature Sensing, connectedTo, Ocean Floor Mapping>
+<Ocean Temperature Sensing, connectedTo, Plastic Pollution Research>
+<Ocean Temperature Sensing, connectedTo, Underwater Acoustics>
+<Plastic Pollution Research, connectedTo, Chemical Oceanography>
+<Plastic Pollution Research, connectedTo, Ocean Floor Mapping>
+<Plastic Pollution Research, forecasts, Underwater Acoustics>
+<Satellite Oceanography, connectedTo, Buoy Deployment>
+<Satellite Oceanography, partOf, Ocean Carbon Cycle>
+<Seabed Resource Exploration, connectedTo, Marine Remote Sensing>
+<Seabed Resource Exploration, partOf, Ocean Carbon Cycle>
+<Underwater Acoustics, connectedTo, Marine Remote Sensing>
+<Underwater Acoustics, connectedTo, Satellite Oceanography>
diff --git a/test/plantuml/scanned_medium/plantuml_350.puml b/test/plantuml/scanned_medium/plantuml_350.puml
new file mode 100644
index 0000000000000000000000000000000000000000..05d4367c62f4944f0cd1588a2baa73a6d0203185
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_350.puml
@@ -0,0 +1,72 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Deep Learning for NLP" as Group0 #FFF3E0 {
+    folder "Information Extraction" as nest0_0 #C9EFEC
+    database "Sentiment Analysis" as nest0_1 #FFEBEB
+    component "Biomedical Text Mining" as nest0_2 #FFEBEB
+}
+rectangle "Corpus Creation" as Group1 #E8F5E9 {
+    usecase "Natural Language Processing" as nest1_0 #FAEBF3
+    cloud "Text Similarity Analysis" as nest1_1 #FFEBEB
+    node "Keyword Extraction" as nest1_2 #C9EFEC
+}
+folder "Regular Expressions for Text" as N0 #C9EFEC
+artifact "Concept Extraction" as N1 #FAEBF3
+rectangle "Patent Analysis" as N2 #FFEBEB
+cloud "Text Preprocessing" as N3 #FFEBEB
+component "Opinion Mining" as N4 #C9EFEC
+usecase "Financial Text Analysis" as N5 #FFEBEB
+component "Document Summarization" as N6 #FFEBEB
+component "Legal Document Analysis" as N7 #C9EFEC
+usecase "Data Cleaning for Text" as N8 #C9EFEC
+usecase "Automated Content Tagging" as N9 #FFEBEB
+folder "Text Clustering" as N10 #FFEBEB
+cloud "Language Translation for Text Mining" as N11 #C9EFEC
+cloud "Annotation Tools" as N12 #FFEBEB
+component "Machine Learning for Text Mining" as N13 #FFEBEB
+node "Plagiarism Detection" as N14 #FFEBEB
+rectangle "Resume Parsing" as N15 #C9EFEC
+frame "Tokenization" as N16 #FFEBEB
+database "Text Visualization" as N17 #C9EFEC
+circle " " as S0 #FFEBEB
+circle " " as S1 #FAEBF3
+circle " " as M1 #FFEBEB
+N0 ..[#000000]..> N1
+N1 -[#F7BEE0]-> N2
+N2 ..[#6FE1D5]..> N3
+N3 -[#FFC2C2]-> N4
+N4 ..[#6FE1D5]..> N5
+N5 ..[#000000]..> N6 : transforms_data
+N6 -[#F7BEE0]-> N7
+N7 -[#FFC2C2]-> N8
+N8 -[#6FE1D5]-> N9 : automates
+N9 ..[#6FE1D5]..> N10
+N10 -[#6FE1D5]-> N11
+N11 -[#F7BEE0]-> N12
+N12 -[#FFC2C2]-> N13
+N13 ..[#FFC2C2]..> N14
+N14 ..[#6FE1D5]..> N15
+N15 -[#6FE1D5]-> N16
+N16 -[#6FE1D5]-> N17
+nest0_0 -[#000000]-> nest0_1
+nest0_1 -[#F7BEE0]-> nest0_2
+N16 ..[#FFC2C2]..> nest0_0
+nest0_2 ..[#FFC2C2]..> N11
+nest1_0 ..[#FFC2C2]..> nest1_1
+nest1_1 ..[#F7BEE0]..> nest1_2
+N1 -[#6FE1D5]-> nest1_0
+nest1_2 -[#6FE1D5]-> N11
+N4 ..[#000000]..> S0
+S0 ..[#F7BEE0]..> N17
+S0 ..[#FFC2C2]..> N8
+N11 -[#FFC2C2]-> S1
+S1 ..[#6FE1D5]..> N17
+S1 -[#000000]-> N13
+S1 ..[#FFC2C2]..> N16
+N1 ..[#F7BEE0]..> M1 : recommends
+N4 ..[#FFC2C2]..> M1
+M1 ..[#000000]..> N16
+N6 -[#6FE1D5]-> N15
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_358.puml b/test/plantuml/scanned_medium/plantuml_358.puml
new file mode 100644
index 0000000000000000000000000000000000000000..e85303ad59afa9a6c12e75b5a2edac3addec7f88
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_358.puml
@@ -0,0 +1,58 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+rectangle "Photogrammetry for Documentation" as Group0 #EDE7F6 {
+    database "Disaster Preparedness for Heritage" as nest0_0 #FDFCEB
+    rectangle "Adaptive Reuse of Heritage Buildings" as nest0_1 #FDFCEB
+    database "Historical Research" as nest0_2 #FFE88D
+    database "Digital Storytelling" as nest0_3 #FFE88D
+}
+rectangle "Remote Sensing for Heritage" as Group1 #E8F5E9 {
+    folder "Digital Documentation" as nest1_0 #FBE9E7
+    folder "Material Analysis" as nest1_1 #FFE88D
+    artifact "Archival Management" as nest1_2 #FDFCEB
+    rectangle "Exhibition Curation" as nest1_3 #FBE9E7
+}
+cloud "Crowdsourcing for Heritage Data" as N0 #FBE9E7
+folder "Artifact Conservation" as N1 #FFE88D
+folder "Conservation Science" as N2 #FBE9E7
+usecase "Legal Protection for Heritage" as N3 #FFE88D
+usecase "Risk Assessment for Heritage" as N4 #FDFCEB
+folder "Oral History Collection" as N5 #FBE9E7
+frame "Underwater Cultural Heritage" as N6 #FFE88D
+cloud "Traditional Knowledge Documentation" as N7 #FBE9E7
+circle " " as S0 #FBE9E7
+circle " " as S1 #FFE88D
+circle " " as S2 #FFE88D
+N0 -[#000000]-> N1
+N1 -[#000000]-> N2
+N2 -[#EAEFA5]-> N3
+N3 ..[#FF8A65]..> N4
+N4 -[#EAEFA5]-> N5
+N5 -[#FFDA4E]-> N6
+N6 ..[#EAEFA5]..> N7
+nest0_0 ..[#FF8A65]..> nest0_1
+nest0_1 ..[#FFDA4E]..> nest0_2
+nest0_2 -[#EAEFA5]-> nest0_3
+N6 -[#000000]-> nest0_0
+nest0_3 ..[#000000]..> N6
+nest1_0 ..[#FF8A65]..> nest1_1
+nest1_1 -[#EAEFA5]-> nest1_2
+nest1_2 -[#FFDA4E]-> nest1_3
+N4 ..[#FFDA4E]..> nest1_0 : data_collects
+nest1_3 -[#FF8A65]-> N4
+N1 ..[#000000]..> S0
+S0 -[#EAEFA5]-> N5
+S0 ..[#000000]..> N3
+S0 ..[#000000]..> N4
+S0 -[#FFDA4E]-> N7
+N1 ..[#000000]..> S1
+S1 ..[#000000]..> N7 : sites_surveys
+S1 ..[#FFDA4E]..> N5
+S1 ..[#000000]..> N4
+S1 ..[#FF8A65]..> N3
+N2 -[#EAEFA5]-> S2
+S2 ..[#FFDA4E]..> N5
+S2 ..[#FFDA4E]..> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_39.puml b/test/plantuml/scanned_medium/plantuml_39.puml
new file mode 100644
index 0000000000000000000000000000000000000000..78ee98191bd8212c6c65195bb78355934f7b27df
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_39.puml
@@ -0,0 +1,30 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+cloud "Space Weather Forecasting" as N0 #FFF3E0
+usecase "Exoplanet Discovery" as N1 #ECCFF5
+usecase "Astronaut Training" as N2 #ECCFF5
+database "Astrophysics Research" as N3 #FFF3E0
+frame "Spacecraft Control" as N4 #ECCFF5
+cloud "Deep Space Communications" as N5 #ECCFF5
+folder "International Collaboration" as N6 #DDCEDD
+folder "Autonomous Rendezvous and Docking" as N7 #FFF3E0
+usecase "Space Station Operations" as N8 #DDCEDD
+frame "Ground Station Operations" as N9 #FFF3E0
+folder "Space Habitat Development" as N10 #FFF3E0
+rectangle "New Space Technology Development" as N11 #ECCFF5
+N0 ..[#AF56A6]..> N1 : simulates
+N1 ..[#AF56A6]..> N2
+N2 ..[#000000]..> N3 : collects
+N3 -[#AF56A6]-> N4
+N4 -[#000000]-> N5 : innovates
+N5 ..[#FFA726]..> N6
+N6 ..[#CD8FF2]..> N7 : transmits
+N7 -[#AF56A6]-> N8
+N8 -[#AF56A6]-> N9 : inspires
+N9 -[#AF56A6]-> N10 : controls
+N10 ..[#CD8FF2]..> N11 : warns
+N7 ..[#000000]..> N11 : coordinates
+N4 ..[#CD8FF2]..> N9
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_40.puml b/test/plantuml/scanned_medium/plantuml_40.puml
new file mode 100644
index 0000000000000000000000000000000000000000..0ee0610350cd47eae4b294430de360bb5c73b2bc
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_40.puml
@@ -0,0 +1,24 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+artifact "Ice Sheet Dynamics" as N0 #EFE6FF
+component "Climate Modeling" as N1 #E8F0FF
+component "Renewable Energy Potential Assessment" as N2 #E0F2F1
+artifact "Climate Policy Analysis" as N3 #E0F2F1
+cloud "Aerosol Impact Assessment" as N4 #E8F0FF
+cloud "Cloud Formation Research" as N5 #E8F0FF
+artifact "Carbon Sequestration Technologies" as N6 #EFE6FF
+folder "Paleoclimate Reconstruction" as N7 #E0F2F1
+frame "Biodiversity Impact Assessment" as N8 #E8F0FF
+N0 -[#A2D0FF]-> N1 : forecasts
+N1 -[#000000]-> N2 : mitigates
+N2 ..[#C2B2F0]..> N3 : models
+N3 ..[#26A69A]..> N4
+N4 -[#26A69A]-> N5
+N5 -[#26A69A]-> N6
+N6 -[#26A69A]-> N7 : recommends
+N7 -[#26A69A]-> N8 : vulnerabilities
+N3 -[#C2B2F0]-> N5 : researches
+N7 -[#C2B2F0]-> N0 : resilience
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_40.txt b/test/plantuml/scanned_medium/plantuml_40.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d8a6cd0ca2d8c35c7576053fc4156168928a1f93
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_40.txt
@@ -0,0 +1,10 @@
+<Aerosol Impact Assessment, connectedTo, Cloud Formation Research>
+<Carbon Sequestration Technologies, recommends, Paleoclimate Reconstruction>
+<Climate Modeling, mitigates, Renewable Energy Potential Assessment>
+<Climate Policy Analysis, connectedTo, Aerosol Impact Assessment>
+<Climate Policy Analysis, researches, Cloud Formation Research>
+<Cloud Formation Research, connectedTo, Carbon Sequestration Technologies>
+<Ice Sheet Dynamics, forecasts, Climate Modeling>
+<Paleoclimate Reconstruction, resilience, Ice Sheet Dynamics>
+<Paleoclimate Reconstruction, vulnerabilities, Biodiversity Impact Assessment>
+<Renewable Energy Potential Assessment, models, Climate Policy Analysis>
diff --git a/test/plantuml/scanned_medium/plantuml_59.txt b/test/plantuml/scanned_medium/plantuml_59.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c374a4ea4155f08e34b88c03798b7a16466b7256
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_59.txt
@@ -0,0 +1,12 @@
+<Color Grading, connectedTo, Distribution Strategy>
+<Distribution Strategy, connectedTo, Prop Management>
+<Film Financing, uploads, Costume Design>
+<Location Scouting, connectedTo, Tax Incentive Management>
+<Location Scouting, licenses, Film Financing>
+<Marketing and Publicity, produces, Location Scouting>
+<Prop Management, connectedTo, Talent Negotiation>
+<Sound Recording, connectedTo, Color Grading>
+<Storyboarding, animates, Sound Recording>
+<Stunt Coordination, color grades, Film Financing>
+<Talent Negotiation, connectedTo, Stunt Coordination>
+<Tax Incentive Management, connectedTo, Storyboarding>
diff --git a/test/plantuml/scanned_medium/plantuml_62.puml b/test/plantuml/scanned_medium/plantuml_62.puml
new file mode 100644
index 0000000000000000000000000000000000000000..835060c6b9ae02d85579af7babe2a9f877d89b6a
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_62.puml
@@ -0,0 +1,22 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+cloud "Budget Performance Analysis" as N0 #E0F7FA
+artifact "Competitive Analysis" as N1 #E0F7FA
+artifact "Cloud BI Solutions" as N2 #DFE7EB
+usecase "Self_Service BI Tools" as N3 #E0F7FA
+folder "Master Data Management" as N4 #DACBE3
+rectangle "Embedded Analytics" as N5 #DFE7EB
+cloud "Actionable Insights Generation" as N6 #DACBE3
+cloud "HR Analytics Dashboards" as N7 #E0F7FA
+N0 ..[#00BCD4]..> N1
+N1 -[#A188D0]-> N2 : tracks
+N2 -[#000000]-> N3 : recommends
+N3 -[#00BCD4]-> N4
+N4 -[#00BCD4]-> N5
+N5 ..[#A188D0]..> N6
+N6 ..[#A188D0]..> N7 : self_serves
+N7 ..[#00BCD4]..> N1 : reports
+N4 -[#A188D0]-> N3 : OLAPs
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_79.puml b/test/plantuml/scanned_medium/plantuml_79.puml
new file mode 100644
index 0000000000000000000000000000000000000000..77fdbf89818b98a6a518b7f26b26ff5e7955bd01
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_79.puml
@@ -0,0 +1,25 @@
+@startuml
+left to right direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+component "Competency_Based Education" as N0 #EDF5F3
+cloud "Blended Learning Models" as N1 #C9EFEC
+usecase "Virtual Classroom Facilitation" as N2 #EDF5F3
+folder "Collaborative Projects" as N3 #EDF5F3
+database "Micro_credential Programs" as N4 #EDF5F3
+artifact "Course Design" as N5 #C9EFEC
+folder "Professional Development Courses" as N6 #EDF5F3
+usecase "Course Evaluation" as N7 #C9EFEC
+rectangle "Online Tutoring" as N8 #FFECB3
+usecase "Curriculum Development" as N9 #C9EFEC
+N0 ..[#000000]..> N1
+N1 -[#000000]-> N2 : trains educators
+N2 ..[#6FE1D5]..> N3 : integrates robotics
+N3 ..[#000000]..> N4 : integrates AI
+N4 ..[#FFC107]..> N5 : issues certificates
+N5 ..[#A1D7CD]..> N6
+N6 -[#FFC107]-> N7
+N7 ..[#A1D7CD]..> N8 : manages enrollments
+N8 -[#A1D7CD]-> N9 : creates courses
+N9 -[#A1D7CD]-> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_81.puml b/test/plantuml/scanned_medium/plantuml_81.puml
new file mode 100644
index 0000000000000000000000000000000000000000..ebe92cb324c6d0813cf38835923d65d9992bb94b
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_81.puml
@@ -0,0 +1,25 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+usecase "Personalized Study Plans" as N0 #E8F5E9
+folder "Motivation Coaching" as N1 #E8F0FF
+cloud "Exam Day Tips" as N2 #E8F5E9
+folder "Flashcard Creation" as N3 #E8F5E9
+artifact "Critical Thinking Development" as N4 #E8F0FF
+folder "Mock Exam Administration" as N5 #E8F0FF
+node "AI_Powered Tutoring" as N6 #E8F5E9
+database "Test_Taking Strategies" as N7 #E8EAF6
+folder "Student Progress Tracking" as N8 #E8EAF6
+artifact "Practice Test Creation" as N9 #E8EAF6
+N0 -[#5C6BC0]-> N1 : certifies
+N1 -[#000000]-> N2 : reviews
+N2 -[#66BB6A]-> N3 : enrolls
+N3 -[#5C6BC0]-> N4
+N4 -[#66BB6A]-> N5
+N5 -[#5C6BC0]-> N6 : publishes
+N6 -[#66BB6A]-> N7
+N7 ..[#A2D0FF]..> N8 : teaches
+N8 ..[#000000]..> N9 : monitors
+N2 -[#000000]-> N1
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_89.puml b/test/plantuml/scanned_medium/plantuml_89.puml
new file mode 100644
index 0000000000000000000000000000000000000000..f6e9c18b9861b1ab268a5f6586b9b1538b8134b6
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_89.puml
@@ -0,0 +1,25 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+folder "Thermal Imaging with Drones" as N0 #ECF0FD
+cloud "Aerial Photography" as N1 #ECF0FD
+usecase "3D Modeling from Drone Data" as N2 #ECF0FD
+folder "Drone Design" as N3 #ECF0FD
+cloud "Propulsion System Development" as N4 #D3F7F9
+component "Mapping and Surveying" as N5 #C9EFEC
+node "Ethical Drone Use" as N6 #D3F7F9
+folder "AI for Drone Autonomy" as N7 #D3F7F9
+folder "Ground Control Station Development" as N8 #C9EFEC
+rectangle "Security Surveillance" as N9 #D3F7F9
+N0 -[#000000]-> N1 : permits
+N1 ..[#6FE1D5]..> N2 : builds
+N2 -[#000000]-> N3
+N3 ..[#000000]..> N4 : flies
+N4 -[#80DDEA]-> N5
+N5 -[#B8C0F5]-> N6 : automates
+N6 ..[#000000]..> N7 : inspects
+N7 ..[#80DDEA]..> N8 : upgrades
+N8 ..[#80DDEA]..> N9 : records
+N9 ..[#80DDEA]..> N4
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_90.puml b/test/plantuml/scanned_medium/plantuml_90.puml
new file mode 100644
index 0000000000000000000000000000000000000000..57b0da0f698eb71168c211094b109d2cb6376c95
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_90.puml
@@ -0,0 +1,25 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+artifact "Cybersecurity for AVs" as N0 #F0F0F0
+frame "Adaptive Cruise Control" as N1 #EDE7F6
+cloud "Sensor Integration" as N2 #ECF0FD
+rectangle "Object Detection and Classification" as N3 #EDE7F6
+node "Remote Operation Capability" as N4 #EDE7F6
+usecase "Automatic Emergency Braking" as N5 #F0F0F0
+folder "Insurance Models for AVs" as N6 #EDE7F6
+folder "Fleet Management" as N7 #ECF0FD
+folder "Vehicle_to_Vehicle Communication" as N8 #EDE7F6
+node "Fail_Safe Systems" as N9 #F0F0F0
+N0 -[#B8C0F5]-> N1
+N1 ..[#B8C0F5]..> N2 : charges
+N2 -[#B8C0F5]-> N3 : informs
+N3 -[#B8C0F5]-> N4
+N4 -[#D2D2D2]-> N5 : maps
+N5 ..[#D2D2D2]..> N6 : assembles
+N6 -[#000000]-> N7 : upgrades
+N7 -[#7E57C2]-> N8
+N8 -[#B8C0F5]-> N9 : navigates
+N8 ..[#D2D2D2]..> N7
+@enduml
\ No newline at end of file
diff --git a/test/plantuml/scanned_medium/plantuml_90.txt b/test/plantuml/scanned_medium/plantuml_90.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7b8fdc2ffaee9484f55c92abaf37dfe6623518b8
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_90.txt
@@ -0,0 +1,10 @@
+<Adaptive Cruise Control, charges, Sensor Integration>
+<Automatic Emergency Braking, assembles, Insurance Models for AVs>
+<Cybersecurity for AVs, connectedTo, Adaptive Cruise Control>
+<Fleet Management, connectedTo, Vehicle_to_Vehicle Communication>
+<Insurance Models for AVs, upgrades, Fleet Management>
+<Object Detection and Classification, connectedTo, Remote Operation Capability>
+<Remote Operation Capability, maps, Automatic Emergency Braking>
+<Sensor Integration, informs, Object Detection and Classification>
+<Vehicle_to_Vehicle Communication, connectedTo, Fleet Management>
+<Vehicle_to_Vehicle Communication, navigates, Fail_Safe Systems>
diff --git a/test/plantuml/scanned_medium/plantuml_95.puml b/test/plantuml/scanned_medium/plantuml_95.puml
new file mode 100644
index 0000000000000000000000000000000000000000..91b496fd883f0ed51b1eda1974a938408c017bf8
--- /dev/null
+++ b/test/plantuml/scanned_medium/plantuml_95.puml
@@ -0,0 +1,26 @@
+@startuml
+top to bottom direction
+skinparam defaultTextAlignment center
+skinparam shadowing false
+frame "Policy Brief Writing" as N0 #FFF3E0
+folder "Public Opinion Research" as N1 #F0F4C3
+artifact "Policy Advocacy and Lobbying" as N2 #E8EAF6
+component "Communication Strategy" as N3 #F0F4C3
+folder "Monitoring and Evaluation Framework" as N4 #E8EAF6
+node "Policy Evaluation" as N5 #FFF3E0
+node "Policy Learning" as N6 #E8EAF6
+rectangle "International Policy Analysis" as N7 #FFF3E0
+artifact "Policy Simulation Models" as N8 #FFF3E0
+frame "Quantitative Analysis" as N9 #F0F4C3
+N0 -[#000000]-> N1 : validates
+N1 -[#AED581]-> N2 : reviews
+N2 ..[#7986CB]..> N3 : analyzes
+N3 ..[#7986CB]..> N4
+N4 ..[#AED581]..> N5
+N5 -[#7986CB]-> N6 : interprets
+N6 ..[#AED581]..> N7
+N7 -[#AED581]-> N8 : consults
+N8 -[#000000]-> N9
+N9 ..[#7986CB]..> N6
+N8 ..[#AED581]..> N5
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