diff --git a/test/mermaid/easy/mermaid_1.txt b/test/mermaid/easy/mermaid_1.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a0dac67a6ac601863f4bbc27e703b890020801d4
--- /dev/null
+++ b/test/mermaid/easy/mermaid_1.txt
@@ -0,0 +1,9 @@
+<AML Screening, connectedTo, Financial Advisory>
+<Cryptocurrency Exchange, connectedTo, start>
+<Cryptocurrency Exchange, scores, KYC Validation>
+<Dispute Resolution, reconciles, Cryptocurrency Exchange>
+<Financial Reporting, connectedTo, Investment Planning>
+<Fund Disbursement, verifies, AML Screening>
+<Investment Planning, underwrites, Fund Disbursement>
+<KYC Validation, connectedTo, Financial Reporting>
+<start, analyzes, Dispute Resolution>
diff --git a/test/mermaid/easy/mermaid_10.txt b/test/mermaid/easy/mermaid_10.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8b0f2769eba2839186e14580e8f50cae62ceb24e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_10.txt
@@ -0,0 +1,8 @@
+<Academic Review, develops, Attendance Tracking>
+<Attendance Tracking, recruits, Curriculum Development>
+<Club Registration, licenses, Study Abroad Program>
+<Course Selection, enrolls, Club Registration>
+<Curriculum Development, connectedTo, Graduation Approval>
+<Extracurricular Activity, connectedTo, Academic Review>
+<Graduation Approval, connectedTo, Course Selection>
+<Study Abroad Program, connectedTo, Extracurricular Activity>
diff --git a/test/mermaid/easy/mermaid_100.mmd b/test/mermaid/easy/mermaid_100.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a603bc66d8164de2217811b24b85c8f35f3661d7
--- /dev/null
+++ b/test/mermaid/easy/mermaid_100.mmd
@@ -0,0 +1,28 @@
+graph LR
+    N0([start])
+    N1[Interview Panel Coordination]
+    N2[(Applicant Tracking System Management)]
+    N3[(Job Fair Organization)]
+    N4{Competency_Based Interviewing}
+    N5(Job Description Creation)
+    N6[/Recruitment Process Outsourcing Management/]
+    N7([end])
+    N0 --> N1
+    N1 --> |yes| N2
+    N2 -.-> |yes| N3
+    N3 --> N4
+    N4 --> |no| N5
+    N5 --> N6
+    N6 --> |no| N7
+    N2 --> N5
+    N7 --> N1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#80DDEA,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_102.txt b/test/mermaid/easy/mermaid_102.txt
new file mode 100644
index 0000000000000000000000000000000000000000..db621abfa0a1216dc4b9844e71cfcee45e405bd0
--- /dev/null
+++ b/test/mermaid/easy/mermaid_102.txt
@@ -0,0 +1,12 @@
+<Candidate Tracking, connectedTo, Passive Candidate Engagement>
+<Contingent Workforce Management, connectedTo, Recruitment Process Outsourcing Management>
+<Employee Referral Program, connectedTo, Psychometric Testing>
+<Employee Referral Program, connectedTo, Recruitment Marketing>
+<Employee Referral Program, posts, Reference Checking>
+<Offer Extension, complies, Recruitment Marketing>
+<Passive Candidate Engagement, backgrounds, Recruiter Training>
+<Psychometric Testing, places, Interview Conducting>
+<Recruiter Training, connectedTo, Contingent Workforce Management>
+<Recruitment Marketing, connectedTo, Candidate Tracking>
+<Recruitment Process Outsourcing Management, trains, Employee Referral Program>
+<Reference Checking, regulates, Offer Extension>
diff --git a/test/mermaid/easy/mermaid_103.mmd b/test/mermaid/easy/mermaid_103.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5c64c38989a3aac953ef0f51897ebba6b7343080
--- /dev/null
+++ b/test/mermaid/easy/mermaid_103.mmd
@@ -0,0 +1,34 @@
+graph LR
+    N0([start])
+    N1[(Email Support)]
+    N2[Proactive Communication]
+    N3[/Cross_selling Opportunities/]
+    N4(Phone Support)
+    N5{Personalized Assistance}
+    N6[Technical Support]
+    N7(Refund Processing)
+    N8[(Training Customer Service Agents)]
+    N9([end])
+    N0 --> |yes| N1
+    N1 -.-> |yes| N2
+    N2 -.-> N3
+    N3 --> |yes| N4
+    N4 --> |no| N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> |no| N9
+    N2 -.-> N7
+    N8 --> |no| N4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#9FA9E1,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_104.mmd b/test/mermaid/easy/mermaid_104.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b35b6f79e3057cff50960673c37224329a0a0749
--- /dev/null
+++ b/test/mermaid/easy/mermaid_104.mmd
@@ -0,0 +1,46 @@
+graph RL
+    N0([FAQ Management])
+    N1{Feedback Collection}
+    N2(Customer Onboarding Support)
+    N3[[Complaint Trend Analysis]]
+    N4([Technical Support])
+    N5(Refund Processing)
+    N6(Customer Relationship Management System Use)
+    N7[[Feedback Loop to Product Development]]
+    N8[/Customer Retention Strategies/]
+    N9[First Contact Resolution Optimization]
+    N10([end])
+    N0 -.-> |chats| N1
+    N1 -.-> N2
+    N2 -.-> |consults| N3
+    N3 -.-> |improves| N4
+    N4 --> N5
+    N5 --> |automates| N6
+    N6 --> N7
+    N7 --> |secures| N8
+    N8 --> N9
+    N9 -.-> |monitors| N10
+    N5 --> |surveys| N7
+    style N0 fill:#F3E5F5,stroke:#BA68C8
+    style N1 fill:#FFFDE7,stroke:#FFF176
+    style N2 fill:#FCE4EC,stroke:#E91E63
+    style N3 fill:#FFFDE7,stroke:#FFF176
+    style N4 fill:#FCE4EC,stroke:#E91E63
+    style N5 fill:#FCE4EC,stroke:#E91E63
+    style N6 fill:#F3E5F5,stroke:#BA68C8
+    style N7 fill:#FFFDE7,stroke:#FFF176
+    style N8 fill:#F3E5F5,stroke:#BA68C8
+    style N9 fill:#FCE4EC,stroke:#E91E63
+    style N10 fill:#F3E5F5,stroke:#BA68C8
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#BA68C8,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_104.txt b/test/mermaid/easy/mermaid_104.txt
new file mode 100644
index 0000000000000000000000000000000000000000..556652406c9fccc01f41344db7a9c6240c368696
--- /dev/null
+++ b/test/mermaid/easy/mermaid_104.txt
@@ -0,0 +1,11 @@
+<Complaint Trend Analysis, improves, Technical Support>
+<Customer Onboarding Support, consults, Complaint Trend Analysis>
+<Customer Relationship Management System Use, connectedTo, Feedback Loop to Product Development>
+<Customer Retention Strategies, connectedTo, First Contact Resolution Optimization>
+<FAQ Management, chats, Feedback Collection>
+<Feedback Collection, connectedTo, Customer Onboarding Support>
+<Feedback Loop to Product Development, secures, Customer Retention Strategies>
+<First Contact Resolution Optimization, monitors, end>
+<Refund Processing, automates, Customer Relationship Management System Use>
+<Refund Processing, surveys, Feedback Loop to Product Development>
+<Technical Support, connectedTo, Refund Processing>
diff --git a/test/mermaid/easy/mermaid_106.mmd b/test/mermaid/easy/mermaid_106.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..de132266188a3e146a9c84821e26aa8e3bc26ecc
--- /dev/null
+++ b/test/mermaid/easy/mermaid_106.mmd
@@ -0,0 +1,36 @@
+graph LR
+    N0([Risk Mitigation Strategies])
+    N1[Reverse Logistics]
+    N2[(Production Planning)]
+    N3{Inventory Management}
+    N4[Supply Chain Finance]
+    N5{Quality Control in Supply Chain}
+    N6{Production Scheduling Integration}
+    N7([Global Sourcing Strategy])
+    N0 --> N1
+    N1 --> N2
+    N2 --> |automates| N3
+    N3 --> |tracks| N4
+    N4 -.-> |predicts| N5
+    N5 -.-> N6
+    N6 --> N7
+    N1 -.-> |visualizes| N5
+    N3 -.-> |forecasts| N1
+    style N0 fill:#FFFCE6,stroke:#FFF9AE
+    style N1 fill:#FFFCE6,stroke:#FFF9AE
+    style N2 fill:#FFFCE6,stroke:#FFF9AE
+    style N3 fill:#FFF0CC,stroke:#FFCC80
+    style N4 fill:#FFFCE6,stroke:#FFF9AE
+    style N5 fill:#C2E8E6,stroke:#61CAC3
+    style N6 fill:#FFFCE6,stroke:#FFF9AE
+    style N7 fill:#C2E8E6,stroke:#61CAC3
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_108.mmd b/test/mermaid/easy/mermaid_108.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..8d586dc8916e939e3608862f189198689220b2f7
--- /dev/null
+++ b/test/mermaid/easy/mermaid_108.mmd
@@ -0,0 +1,32 @@
+graph BT
+    N0([start])
+    N1[/Freight Auditing/]
+    N2[/Third_Party Logistics Management/]
+    N3[(Transportation Management)]
+    N4[/Supply Chain Finance/]
+    N5(Production Planning)
+    N6{Last_Mile Delivery Optimization}
+    N7{Production Scheduling Integration}
+    N8[Contract Manufacturing Oversight]
+    N9([end])
+    N0 -.-> |yes| N1
+    N1 -.-> N2
+    N2 --> |no| N3
+    N3 -.-> |yes| N4
+    N4 -.-> |no| N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> |yes| N9
+    N5 -.-> N3
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FBC02D,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_108.txt b/test/mermaid/easy/mermaid_108.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fdda66a3d05fafab4bc04dbe7143e84387137cca
--- /dev/null
+++ b/test/mermaid/easy/mermaid_108.txt
@@ -0,0 +1,10 @@
+<Contract Manufacturing Oversight, yes, end>
+<Freight Auditing, connectedTo, Third_Party Logistics Management>
+<Last_Mile Delivery Optimization, connectedTo, Production Scheduling Integration>
+<Production Planning, connectedTo, Last_Mile Delivery Optimization>
+<Production Planning, connectedTo, Transportation Management>
+<Production Scheduling Integration, connectedTo, Contract Manufacturing Oversight>
+<Supply Chain Finance, no, Production Planning>
+<Third_Party Logistics Management, no, Transportation Management>
+<Transportation Management, yes, Supply Chain Finance>
+<start, yes, Freight Auditing>
diff --git a/test/mermaid/easy/mermaid_109.mmd b/test/mermaid/easy/mermaid_109.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..75617668d8aed85171d09d610ebe7128e2a1b19f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_109.mmd
@@ -0,0 +1,52 @@
+graph BT
+    N0([Community Relations])
+    N1(Underground Mining Operations)
+    N2[(Mine Closure Planning)]
+    N3(Smelting)
+    N4([Resource Estimation])
+    N5([Haulage])
+    N6(Asset Management)
+    N7[[Ore Sorting]]
+    N8(Waste Rock Management)
+    N9[(Refining)]
+    N10[Mine Planning]
+    N11([end])
+    N0 --> N1
+    N1 -.-> |drills| N2
+    N2 --> N3
+    N3 -.-> |regulates| N4
+    N4 -.-> |permits| N5
+    N5 -.-> N6
+    N6 -.-> |monitors| N7
+    N7 -.-> |audits| N8
+    N8 -.-> N9
+    N9 -.-> |prices| N10
+    N10 -.-> N11
+    N5 --> N10
+    N2 -.-> N10
+    style N0 fill:#FCE4EC,stroke:#E91E63
+    style N1 fill:#FCE4EC,stroke:#E91E63
+    style N2 fill:#E0F2F1,stroke:#26A69A
+    style N3 fill:#F1F8E9,stroke:#388E3C
+    style N4 fill:#E0F2F1,stroke:#26A69A
+    style N5 fill:#FCE4EC,stroke:#E91E63
+    style N6 fill:#F1F8E9,stroke:#388E3C
+    style N7 fill:#E0F2F1,stroke:#26A69A
+    style N8 fill:#F1F8E9,stroke:#388E3C
+    style N9 fill:#E0F2F1,stroke:#26A69A
+    style N10 fill:#E0F2F1,stroke:#26A69A
+    style N11 fill:#F1F8E9,stroke:#388E3C
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#388E3C,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_109.txt b/test/mermaid/easy/mermaid_109.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0e9549ae28e4bbf6618e63d17849f5458f7168f6
--- /dev/null
+++ b/test/mermaid/easy/mermaid_109.txt
@@ -0,0 +1,13 @@
+<Asset Management, monitors, Ore Sorting>
+<Community Relations, connectedTo, Underground Mining Operations>
+<Haulage, connectedTo, Asset Management>
+<Haulage, connectedTo, Mine Planning>
+<Mine Closure Planning, connectedTo, Mine Planning>
+<Mine Closure Planning, connectedTo, Smelting>
+<Mine Planning, connectedTo, end>
+<Ore Sorting, audits, Waste Rock Management>
+<Refining, prices, Mine Planning>
+<Resource Estimation, permits, Haulage>
+<Smelting, regulates, Resource Estimation>
+<Underground Mining Operations, drills, Mine Closure Planning>
+<Waste Rock Management, connectedTo, Refining>
diff --git a/test/mermaid/easy/mermaid_11.mmd b/test/mermaid/easy/mermaid_11.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..bffa370493ff464868b05095fdece69a15955b0a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_11.mmd
@@ -0,0 +1,46 @@
+graph RL
+    N0([Attendance Tracking])
+    N1([Study Abroad Program])
+    N2[Orientation]
+    N3[Disciplinary Action]
+    N4[[Library Registration]]
+    N5(Digital Resource Management)
+    N6(Student Application)
+    N7(Faculty Recruitment)
+    N8([Course Selection])
+    N9{Timetable Scheduling}
+    N10([Scholarship Evaluation])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> |funds| N3
+    N3 -.-> N4
+    N4 --> |plans| N5
+    N5 --> |teaches| N6
+    N6 -.-> N7
+    N7 -.-> |integrates| N8
+    N8 --> N9
+    N9 -.-> |researches| N10
+    N6 --> |registers| N5
+    style N0 fill:#DDCEDD,stroke:#AF56A6
+    style N1 fill:#FFFDE0,stroke:#FFF8A6
+    style N2 fill:#EBEBEB,stroke:#E0E0E0
+    style N3 fill:#DDCEDD,stroke:#AF56A6
+    style N4 fill:#EBEBEB,stroke:#E0E0E0
+    style N5 fill:#EBEBEB,stroke:#E0E0E0
+    style N6 fill:#FFFDE0,stroke:#FFF8A6
+    style N7 fill:#FFFDE0,stroke:#FFF8A6
+    style N8 fill:#EBEBEB,stroke:#E0E0E0
+    style N9 fill:#EBEBEB,stroke:#E0E0E0
+    style N10 fill:#EBEBEB,stroke:#E0E0E0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFF8A6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_11.txt b/test/mermaid/easy/mermaid_11.txt
new file mode 100644
index 0000000000000000000000000000000000000000..91146f2160eb01b451d00977b524d306d9f32704
--- /dev/null
+++ b/test/mermaid/easy/mermaid_11.txt
@@ -0,0 +1,11 @@
+<Attendance Tracking, connectedTo, Study Abroad Program>
+<Course Selection, connectedTo, Timetable Scheduling>
+<Digital Resource Management, teaches, Student Application>
+<Disciplinary Action, connectedTo, Library Registration>
+<Faculty Recruitment, integrates, Course Selection>
+<Library Registration, plans, Digital Resource Management>
+<Orientation, funds, Disciplinary Action>
+<Student Application, connectedTo, Faculty Recruitment>
+<Student Application, registers, Digital Resource Management>
+<Study Abroad Program, connectedTo, Orientation>
+<Timetable Scheduling, researches, Scholarship Evaluation>
diff --git a/test/mermaid/easy/mermaid_111.txt b/test/mermaid/easy/mermaid_111.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c5ae8f373383466e2c27a30f62064e48d624a49a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_111.txt
@@ -0,0 +1,11 @@
+<Core Logging, connectedTo, Geological Survey>
+<Equipment Maintenance, analyzes, Resource Estimation>
+<Exploration, forecasts, Smelting>
+<Feasibility Study, connectedTo, Equipment Maintenance>
+<Geological Survey, separates, Exploration>
+<Geotechnical Stability Analysis, connectedTo, Core Logging>
+<Geotechnical Stability Analysis, regulates, end>
+<Resource Estimation, connectedTo, end>
+<Smelting, extracts, Underground Mining Operations>
+<Smelting, funds, Exploration>
+<Underground Mining Operations, processes, Feasibility Study>
diff --git a/test/mermaid/easy/mermaid_112.mmd b/test/mermaid/easy/mermaid_112.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..3a7c98ce19f253ebb15dc89649b83a5e1c507c38
--- /dev/null
+++ b/test/mermaid/easy/mermaid_112.mmd
@@ -0,0 +1,50 @@
+graph RL
+    N0([start])
+    N1[(Cargo Loading)]
+    N2[[Port Operations]]
+    N3([Green Shipping Initiatives])
+    N4([Voyage Optimization])
+    N5(Pilotage)
+    N6([Digitalization of Shipping])
+    N7[Marine Safety Inspection]
+    N8[[Fuel Consumption Optimization]]
+    N9([Autonomous Vessels])
+    N10([Search and Rescue Coordination])
+    N11([Subsea Cable Laying])
+    N0 --> |forecasts| N1
+    N1 --> N2
+    N2 --> |reports| N3
+    N3 --> |supplies| N4
+    N4 --> |alerts| N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> |monitors| N8
+    N8 --> N9
+    N9 --> N10
+    N10 -.-> N11
+    N9 -.-> |charts| N5
+    style N0 fill:#B3E5FC,stroke:#03A9F4
+    style N1 fill:#B3E5FC,stroke:#03A9F4
+    style N2 fill:#FFFDE0,stroke:#FFF8A6
+    style N3 fill:#B3E5FC,stroke:#03A9F4
+    style N4 fill:#B3E5FC,stroke:#03A9F4
+    style N5 fill:#B3E5FC,stroke:#03A9F4
+    style N6 fill:#F1F8FF,stroke:#42A5F5
+    style N7 fill:#B3E5FC,stroke:#03A9F4
+    style N8 fill:#B3E5FC,stroke:#03A9F4
+    style N9 fill:#F1F8FF,stroke:#42A5F5
+    style N10 fill:#FFFDE0,stroke:#FFF8A6
+    style N11 fill:#F1F8FF,stroke:#42A5F5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFF8A6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_113.txt b/test/mermaid/easy/mermaid_113.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8e38d3e777c4a7abb884182bf4eac2c23f092c1c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_113.txt
@@ -0,0 +1,10 @@
+<Bunkering, connectedTo, Marine Safety Inspection>
+<Hydrographic Surveying, charts, Inland Waterway Transport>
+<Inland Waterway Transport, connectedTo, Autonomous Vessels>
+<Inland Waterway Transport, connectedTo, Marine Insurance>
+<Marine Insurance, connectedTo, Bunkering>
+<Marine Safety Inspection, audits, Maritime Security>
+<Marine Safety Inspection, builds, Bunkering>
+<Maritime Security, operates, Autonomous Vessels>
+<Port Congestion Management, rescues, Hydrographic Surveying>
+<start, connectedTo, Port Congestion Management>
diff --git a/test/mermaid/easy/mermaid_114.mmd b/test/mermaid/easy/mermaid_114.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1bb34c00b42164bd1039fb038c2bf0060099b0d8
--- /dev/null
+++ b/test/mermaid/easy/mermaid_114.mmd
@@ -0,0 +1,42 @@
+graph BT
+    N0([start])
+    N1(Navigation)
+    N2[Shipbuilding]
+    N3([Container Tracking])
+    N4[Crew Management]
+    N5[Vessel Maintenance]
+    N6[Salvage Operations]
+    N7[Subsea Cable Laying]
+    N8(Ship Registry)
+    N9([end])
+    N0 --> N1
+    N1 -.-> |docks| N2
+    N2 --> |inspects| N3
+    N3 -.-> |regulates| N4
+    N4 --> |navigates| N5
+    N5 --> |responds| N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> |tracks| N9
+    N0 -.-> |optimizes| N7
+    style N0 fill:#FFCDD2,stroke:#F44336
+    style N1 fill:#E8F5E9,stroke:#66BB6A
+    style N2 fill:#FFECB3,stroke:#FFC107
+    style N3 fill:#FFECB3,stroke:#FFC107
+    style N4 fill:#E8F5E9,stroke:#66BB6A
+    style N5 fill:#FFECB3,stroke:#FFC107
+    style N6 fill:#FFCDD2,stroke:#F44336
+    style N7 fill:#FFCDD2,stroke:#F44336
+    style N8 fill:#FFECB3,stroke:#FFC107
+    style N9 fill:#FFECB3,stroke:#FFC107
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFC107,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_114.txt b/test/mermaid/easy/mermaid_114.txt
new file mode 100644
index 0000000000000000000000000000000000000000..18ac6bdbbfb69ac48ed67251d2dbcd6975023d36
--- /dev/null
+++ b/test/mermaid/easy/mermaid_114.txt
@@ -0,0 +1,10 @@
+<Container Tracking, regulates, Crew Management>
+<Crew Management, navigates, Vessel Maintenance>
+<Navigation, docks, Shipbuilding>
+<Salvage Operations, connectedTo, Subsea Cable Laying>
+<Ship Registry, tracks, end>
+<Shipbuilding, inspects, Container Tracking>
+<Subsea Cable Laying, connectedTo, Ship Registry>
+<Vessel Maintenance, responds, Salvage Operations>
+<start, connectedTo, Navigation>
+<start, optimizes, Subsea Cable Laying>
diff --git a/test/mermaid/easy/mermaid_115.mmd b/test/mermaid/easy/mermaid_115.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f5ecbf33b3e281d7b5e38a10288bed2b778c15df
--- /dev/null
+++ b/test/mermaid/easy/mermaid_115.mmd
@@ -0,0 +1,40 @@
+graph BT
+    N0([Astronaut Training])
+    N1[[Re_entry Vehicle Design]]
+    N2[/Autonomous Rendezvous and Docking/]
+    N3[/Spacecraft Control/]
+    N4{Microgravity Experiments}
+    N5{Data Acquisition}
+    N6[/Space Debris Mitigation/]
+    N7([Planetary Science Research])
+    N8([end])
+    N0 -.-> |protects| N1
+    N1 --> N2
+    N2 --> |predicts| N3
+    N3 -.-> |manages| N4
+    N4 -.-> |controls| N5
+    N5 -.-> |licenses| N6
+    N6 --> N7
+    N7 --> N8
+    N4 -.-> N3
+    N8 -.-> |secures| N5
+    style N0 fill:#E8F0EA,stroke:#92C79A
+    style N1 fill:#E3F2FD,stroke:#64B5F6
+    style N2 fill:#FFF0CC,stroke:#FFCC80
+    style N3 fill:#E8F0EA,stroke:#92C79A
+    style N4 fill:#E8F0EA,stroke:#92C79A
+    style N5 fill:#E3F2FD,stroke:#64B5F6
+    style N6 fill:#E8F0EA,stroke:#92C79A
+    style N7 fill:#FFF0CC,stroke:#FFCC80
+    style N8 fill:#E8F0EA,stroke:#92C79A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_116.mmd b/test/mermaid/easy/mermaid_116.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..4c745fcce819cf5c2f2ac51982b23dfe77c37339
--- /dev/null
+++ b/test/mermaid/easy/mermaid_116.mmd
@@ -0,0 +1,46 @@
+graph BT
+    N0([Ground Station Operations])
+    N1(Planetary Science Research)
+    N2[Data Acquisition]
+    N3[In_Situ Resource Utilization]
+    N4[Payload Development]
+    N5([Launch Operations])
+    N6([Radiation Shielding Design])
+    N7[Robotics for Space Exploration]
+    N8(Sample Return Missions)
+    N9[[Life Support Systems]]
+    N10([Space Tourism Development])
+    N0 -.-> N1
+    N1 --> |tests| N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> |budgets| N5
+    N5 --> N6
+    N6 -.-> |analyzes| N7
+    N7 --> N8
+    N8 -.-> |explores| N9
+    N9 --> |funds| N10
+    N9 --> N7
+    style N0 fill:#E0F2F1,stroke:#4DB6AC
+    style N1 fill:#E0F2F1,stroke:#4DB6AC
+    style N2 fill:#FFF9C4,stroke:#FFEB3B
+    style N3 fill:#FFFDE0,stroke:#FFF8A6
+    style N4 fill:#E0F2F1,stroke:#4DB6AC
+    style N5 fill:#E0F2F1,stroke:#4DB6AC
+    style N6 fill:#E0F2F1,stroke:#4DB6AC
+    style N7 fill:#FFFDE0,stroke:#FFF8A6
+    style N8 fill:#FFF9C4,stroke:#FFEB3B
+    style N9 fill:#FFF9C4,stroke:#FFEB3B
+    style N10 fill:#E0F2F1,stroke:#4DB6AC
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFF8A6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_117.mmd b/test/mermaid/easy/mermaid_117.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ef08c8a414dedd617cd0c177fa7611ea9539f928
--- /dev/null
+++ b/test/mermaid/easy/mermaid_117.mmd
@@ -0,0 +1,42 @@
+graph LR
+    N0([start])
+    N1[[Telemetry Monitoring]]
+    N2{Launch Operations}
+    N3([In_Situ Resource Utilization])
+    N4[(Interplanetary Trajectory Calculation)]
+    N5([Deep Space Communications])
+    N6[(Mission Design)]
+    N7(New Space Technology Development)
+    N8{Rocket Propulsion Development}
+    N9([end])
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> |controls| N3
+    N3 --> |licenses| N4
+    N4 --> N5
+    N5 --> |analyzes| N6
+    N6 --> N7
+    N7 -.-> |partners| N8
+    N8 -.-> N9
+    N8 -.-> N7
+    style N0 fill:#FFF8E1,stroke:#FFD54F
+    style N1 fill:#F9FBE7,stroke:#C0CA33
+    style N2 fill:#BBDEFB,stroke:#2196F3
+    style N3 fill:#BBDEFB,stroke:#2196F3
+    style N4 fill:#F9FBE7,stroke:#C0CA33
+    style N5 fill:#FFF8E1,stroke:#FFD54F
+    style N6 fill:#BBDEFB,stroke:#2196F3
+    style N7 fill:#FFF8E1,stroke:#FFD54F
+    style N8 fill:#F9FBE7,stroke:#C0CA33
+    style N9 fill:#FFF8E1,stroke:#FFD54F
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_119.txt b/test/mermaid/easy/mermaid_119.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0b9cb18a75bcba65aea5f009ba8fa99fefa0ad45
--- /dev/null
+++ b/test/mermaid/easy/mermaid_119.txt
@@ -0,0 +1,9 @@
+<Arctic and Antarctic Research, connectedTo, Flood Risk Assessment>
+<Climate Policy Analysis, vulnerabilities, Indigenous Knowledge Integration>
+<Flood Risk Assessment, connectedTo, Permafrost Thaw Assessment>
+<Indigenous Knowledge Integration, studies, Ocean Acidification Studies>
+<Ocean Acidification Studies, connectedTo, Arctic and Antarctic Research>
+<Ocean Current Analysis, forecasts, Arctic and Antarctic Research>
+<Ocean Current Analysis, observes, Climate Policy Analysis>
+<Permafrost Thaw Assessment, informs, Ocean Current Analysis>
+<start, connectedTo, Indigenous Knowledge Integration>
diff --git a/test/mermaid/easy/mermaid_12.mmd b/test/mermaid/easy/mermaid_12.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a64c8223f9babdc7af4626d0de33a0e842a8b84c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_12.mmd
@@ -0,0 +1,38 @@
+graph TD
+    N0([Student Enrollment])
+    N1[/Exam Conduct/]
+    N2{Parent_Teacher Conference}
+    N3[(School Accreditation)]
+    N4{Lecture Delivery}
+    N5[Attendance Tracking]
+    N6(Online Learning Platform Management)
+    N7[Field Trip Coordination]
+    N8([end])
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> |assesses| N4
+    N4 --> |enrolls| N5
+    N5 -.-> |recruits| N6
+    N6 -.-> N7
+    N7 -.-> |evaluates| N8
+    N4 -.-> N3
+    style N0 fill:#CADEDE,stroke:#94C0C0
+    style N1 fill:#EBEBEB,stroke:#E0E0E0
+    style N2 fill:#EBEBEB,stroke:#E0E0E0
+    style N3 fill:#CADEDE,stroke:#94C0C0
+    style N4 fill:#CADEDE,stroke:#94C0C0
+    style N5 fill:#FFFDE7,stroke:#FFF176
+    style N6 fill:#FFFDE7,stroke:#FFF176
+    style N7 fill:#CADEDE,stroke:#94C0C0
+    style N8 fill:#CADEDE,stroke:#94C0C0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#94C0C0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_120.mmd b/test/mermaid/easy/mermaid_120.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..303fcc14ae10441f6a65a946ac13bac1d8deb7ca
--- /dev/null
+++ b/test/mermaid/easy/mermaid_120.mmd
@@ -0,0 +1,29 @@
+graph LR
+    N0([start])
+    N1([Paleoclimate Reconstruction])
+    N2[Green Technology Incubation]
+    N3(Mitigation Technology Evaluation)
+    N4[[Remote Sensing for Climate]]
+    N5[/Ecosystem Response Modeling/]
+    N6[[Carbon Cycle Research]]
+    N7[Ocean Acidification Studies]
+    N8([end])
+    N0 --> |no| N1
+    N1 --> N2
+    N2 --> |yes| N3
+    N3 -.-> N4
+    N4 --> |no| N5
+    N5 --> N6
+    N6 -.-> |no| N7
+    N7 -.-> N8
+    N1 --> N5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#2196F3,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_121.mmd b/test/mermaid/easy/mermaid_121.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..7c147a8c0f689efb4d36328705db92a1398f98fd
--- /dev/null
+++ b/test/mermaid/easy/mermaid_121.mmd
@@ -0,0 +1,29 @@
+graph TD
+    N0([start])
+    N1[/Pollution Dispersion Modeling/]
+    N2{Nowcasting}
+    N3[[Climate Change Impact Study]]
+    N4([Cloud Observation])
+    N5([Atmospheric Data Collection])
+    N6([Wind Speed and Direction])
+    N7{Snowfall Measurement}
+    N8([end])
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> |yes| N3
+    N3 --> |yes| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> |no| N7
+    N7 -.-> |no| N8
+    N3 -.-> |yes| N1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_121.txt b/test/mermaid/easy/mermaid_121.txt
new file mode 100644
index 0000000000000000000000000000000000000000..76d61d9b38373c370701abbe43af982d26636b03
--- /dev/null
+++ b/test/mermaid/easy/mermaid_121.txt
@@ -0,0 +1,9 @@
+<Atmospheric Data Collection, connectedTo, Wind Speed and Direction>
+<Climate Change Impact Study, yes, Cloud Observation>
+<Climate Change Impact Study, yes, Pollution Dispersion Modeling>
+<Cloud Observation, connectedTo, Atmospheric Data Collection>
+<Nowcasting, yes, Climate Change Impact Study>
+<Pollution Dispersion Modeling, connectedTo, Nowcasting>
+<Snowfall Measurement, no, end>
+<Wind Speed and Direction, no, Snowfall Measurement>
+<start, connectedTo, Pollution Dispersion Modeling>
diff --git a/test/mermaid/easy/mermaid_122.txt b/test/mermaid/easy/mermaid_122.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8404b27665a2e7ecfb81dadafd1b64e50b3eb489
--- /dev/null
+++ b/test/mermaid/easy/mermaid_122.txt
@@ -0,0 +1,10 @@
+<Atmospheric Data Collection, classifies, Wind Speed and Direction>
+<Climate Change Impact Study, connectedTo, Atmospheric Data Collection>
+<Climate Data Archiving, connectedTo, Climate Change Impact Study>
+<Cloud Observation, connectedTo, Fire Weather Forecasting>
+<Cloud Observation, connectedTo, Pollution Dispersion Modeling>
+<Fire Weather Forecasting, maps, Climate Data Archiving>
+<Ocean_Atmosphere Interaction Study, interprets, Pollution Dispersion Modeling>
+<Pollution Dispersion Modeling, warns, Cloud Observation>
+<Wind Speed and Direction, validates, end>
+<start, advises, Ocean_Atmosphere Interaction Study>
diff --git a/test/mermaid/easy/mermaid_123.txt b/test/mermaid/easy/mermaid_123.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bc025b22a808fc6bf60b9960585de422d07803a1
--- /dev/null
+++ b/test/mermaid/easy/mermaid_123.txt
@@ -0,0 +1,8 @@
+<Atmospheric Sounding, disseminates, Precipitation Measurement>
+<Boundary Layer Study, warns, Temperature Monitoring>
+<Climate Change Impact Study, connectedTo, Temperature Monitoring>
+<Climate Change Impact Study, measures, Tornado Watch or Warning>
+<Humidity Sensing, monitors, Atmospheric Sounding>
+<Precipitation Measurement, calibrates, Boundary Layer Study>
+<Temperature Monitoring, connectedTo, Climate Change Impact Study>
+<start, connectedTo, Humidity Sensing>
diff --git a/test/mermaid/easy/mermaid_124.txt b/test/mermaid/easy/mermaid_124.txt
new file mode 100644
index 0000000000000000000000000000000000000000..10ea4d06750d34b6a62f17ff727590a631ff8375
--- /dev/null
+++ b/test/mermaid/easy/mermaid_124.txt
@@ -0,0 +1,11 @@
+<Anaerobic Digestion, no, Smart Waste Bins>
+<Anaerobic Digestion, no, Waste Management Policy Development>
+<Community Recycling Programs, connectedTo, Anaerobic Digestion>
+<Community Recycling Programs, yes, Waste Management Policy Development>
+<Construction and Demolition Waste Management, yes, Textile Recycling>
+<Landfill Operation, no, Waste Reduction Planning>
+<Smart Waste Bins, connectedTo, Landfill Operation>
+<Textile Recycling, no, Community Recycling Programs>
+<Waste Management Policy Development, connectedTo, end>
+<Waste Reduction Planning, no, Construction and Demolition Waste Management>
+<start, connectedTo, Smart Waste Bins>
diff --git a/test/mermaid/easy/mermaid_125.mmd b/test/mermaid/easy/mermaid_125.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a6deb74c4ce4330032ef5dd0ec4c928100812712
--- /dev/null
+++ b/test/mermaid/easy/mermaid_125.mmd
@@ -0,0 +1,48 @@
+graph LR
+    N0([Illegal Dumping Monitoring])
+    N1(Smart Waste Bins)
+    N2(Public Education on Waste)
+    N3[Electronic Waste Recycling]
+    N4[Biomedical Waste Handling]
+    N5[/Closed_Loop Systems/]
+    N6[/Waste Incineration/]
+    N7[Container Management]
+    N8{Waste Logistics Optimization}
+    N9[[Anaerobic Digestion]]
+    N10([Zero Waste Initiatives])
+    N0 --> N1
+    N1 -.-> |reuses| N2
+    N2 --> |innovates| N3
+    N3 --> N4
+    N4 -.-> |extracts| N5
+    N5 --> N6
+    N6 -.-> |measures| N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> |develops| N10
+    N6 --> |minimizes| N0
+    N10 --> N8
+    style N0 fill:#FCE4EC,stroke:#E91E63
+    style N1 fill:#F1F8E9,stroke:#81C784
+    style N2 fill:#F1F8E9,stroke:#81C784
+    style N3 fill:#F1F8E9,stroke:#81C784
+    style N4 fill:#FFECB3,stroke:#FFC107
+    style N5 fill:#F1F8E9,stroke:#81C784
+    style N6 fill:#FFECB3,stroke:#FFC107
+    style N7 fill:#FFECB3,stroke:#FFC107
+    style N8 fill:#FFECB3,stroke:#FFC107
+    style N9 fill:#F1F8E9,stroke:#81C784
+    style N10 fill:#FCE4EC,stroke:#E91E63
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_126.txt b/test/mermaid/easy/mermaid_126.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7983f7e436023cffe8d1523232dbaa9f772ec384
--- /dev/null
+++ b/test/mermaid/easy/mermaid_126.txt
@@ -0,0 +1,12 @@
+<Circular Economy Initiatives, extracts, Construction and Demolition Waste Management>
+<Closed_Loop Systems, connectedTo, Circular Economy Initiatives>
+<Construction and Demolition Waste Management, connectedTo, Anaerobic Digestion>
+<Construction and Demolition Waste Management, connectedTo, Organics Collection>
+<Landfill Operation, connectedTo, Organics Collection>
+<Material Recovery Facility Operation, connectedTo, Plastic Recycling Technologies>
+<Metal Recycling, connectedTo, Closed_Loop Systems>
+<Organics Collection, permits, Material Recovery Facility Operation>
+<Plastic Recycling Technologies, plans, Waste Reduction Planning>
+<Public Education on Waste, connectedTo, Waste Sorting>
+<Waste Reduction Planning, recycles, Metal Recycling>
+<Waste Sorting, manages, Landfill Operation>
diff --git a/test/mermaid/easy/mermaid_127.mmd b/test/mermaid/easy/mermaid_127.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..823cefd5061ee5f597b3123799d398fedc68472e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_127.mmd
@@ -0,0 +1,40 @@
+graph BT
+    N0([start])
+    N1[Desalination]
+    N2[Water Meter Reading]
+    N3([Reservoir Operation])
+    N4([Water Conservation Planning])
+    N5[(Sewer System Inspection)]
+    N6(Drinking Water Standards Compliance)
+    N7[[Wastewater Treatment]]
+    N8([Groundwater Management])
+    N0 --> N1
+    N1 -.-> |supplies| N2
+    N2 -.-> |maintains| N3
+    N3 -.-> |irrigates| N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N3 -.-> N7
+    N2 -.-> |collects| N6
+    style N0 fill:#F2E6F5,stroke:#CB9BE1
+    style N1 fill:#FAEBF3,stroke:#F7BEE0
+    style N2 fill:#F2E6F5,stroke:#CB9BE1
+    style N3 fill:#FFEBEB,stroke:#FFC2C2
+    style N4 fill:#F2E6F5,stroke:#CB9BE1
+    style N5 fill:#FFEBEB,stroke:#FFC2C2
+    style N6 fill:#FFEBEB,stroke:#FFC2C2
+    style N7 fill:#FFEBEB,stroke:#FFC2C2
+    style N8 fill:#F2E6F5,stroke:#CB9BE1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#F7BEE0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_128.mmd b/test/mermaid/easy/mermaid_128.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..71075cb47dab339dd876c5bc33012601eaeb2484
--- /dev/null
+++ b/test/mermaid/easy/mermaid_128.mmd
@@ -0,0 +1,38 @@
+graph TD
+    N0([Desalination])
+    N1[Environmental Flow Assessment]
+    N2[Stormwater Management]
+    N3(Drinking Water Standards Compliance)
+    N4([Water Resource Planning])
+    N5[Public Awareness Campaigns]
+    N6{Water Infrastructure Maintenance}
+    N7[/Climate Change Adaptation for Water/]
+    N8([Water Distribution])
+    N0 -.-> |monitors| N1
+    N1 -.-> |evaluates| N2
+    N2 -.-> N3
+    N3 -.-> |treats| N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> |reports| N7
+    N7 --> |analyzes| N8
+    N1 --> |warns| N5
+    style N0 fill:#ECEFF1,stroke:#90A4AE
+    style N1 fill:#ECEFF1,stroke:#90A4AE
+    style N2 fill:#FFFCE6,stroke:#FFF9AE
+    style N3 fill:#FFFCE6,stroke:#FFF9AE
+    style N4 fill:#ECEFF1,stroke:#90A4AE
+    style N5 fill:#E1F5FE,stroke:#4FC3F7
+    style N6 fill:#E1F5FE,stroke:#4FC3F7
+    style N7 fill:#ECEFF1,stroke:#90A4AE
+    style N8 fill:#ECEFF1,stroke:#90A4AE
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#90A4AE,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_129.mmd b/test/mermaid/easy/mermaid_129.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..97a543104472d25ac0a9f95fcdd4ab04c6d64a6a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_129.mmd
@@ -0,0 +1,48 @@
+graph TD
+    N0([start])
+    N1[(Billing and Revenue Management)]
+    N2[Piping Network Repair]
+    N3[/Water Distribution/]
+    N4[(Groundwater Management)]
+    N5[Hydroelectric Power Generation]
+    N6[Wastewater Treatment]
+    N7(Water Meter Reading)
+    N8[Industrial Water Use Optimization]
+    N9[(Climate Change Adaptation for Water)]
+    N10([end])
+    N0 --> N1
+    N1 -.-> |consults| N2
+    N2 --> N3
+    N3 -.-> |pumps| N4
+    N4 --> |drains| N5
+    N5 --> |assesses| N6
+    N6 -.-> |measures| N7
+    N7 --> |recycles| N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N9 --> N7
+    N10 --> N0
+    style N0 fill:#DDCEDD,stroke:#AF56A6
+    style N1 fill:#FFF3E0,stroke:#FFA726
+    style N2 fill:#DDCEDD,stroke:#AF56A6
+    style N3 fill:#FFF3E0,stroke:#FFA726
+    style N4 fill:#FFF3E0,stroke:#FFA726
+    style N5 fill:#DDCEDD,stroke:#AF56A6
+    style N6 fill:#FFF3E0,stroke:#FFA726
+    style N7 fill:#FFF3E0,stroke:#FFA726
+    style N8 fill:#ECF0FD,stroke:#B8C0F5
+    style N9 fill:#DDCEDD,stroke:#AF56A6
+    style N10 fill:#FFF3E0,stroke:#FFA726
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_129.txt b/test/mermaid/easy/mermaid_129.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e94b1a419a1a4847c6169bbd00049c44a369ade4
--- /dev/null
+++ b/test/mermaid/easy/mermaid_129.txt
@@ -0,0 +1,12 @@
+<Billing and Revenue Management, consults, Piping Network Repair>
+<Climate Change Adaptation for Water, connectedTo, Water Meter Reading>
+<Climate Change Adaptation for Water, connectedTo, end>
+<Groundwater Management, drains, Hydroelectric Power Generation>
+<Hydroelectric Power Generation, assesses, Wastewater Treatment>
+<Industrial Water Use Optimization, connectedTo, Climate Change Adaptation for Water>
+<Piping Network Repair, connectedTo, Water Distribution>
+<Wastewater Treatment, measures, Water Meter Reading>
+<Water Distribution, pumps, Groundwater Management>
+<Water Meter Reading, recycles, Industrial Water Use Optimization>
+<end, connectedTo, start>
+<start, connectedTo, Billing and Revenue Management>
diff --git a/test/mermaid/easy/mermaid_130.mmd b/test/mermaid/easy/mermaid_130.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b5cab982b5e477adf45b2da60401fc02a81f7fac
--- /dev/null
+++ b/test/mermaid/easy/mermaid_130.mmd
@@ -0,0 +1,48 @@
+graph BT
+    N0([Deposit_Return Schemes])
+    N1[Collection Point Management]
+    N2(Recycling Market Development)
+    N3[/Sorting and Segregation/]
+    N4[[Paper Recycling]]
+    N5[Composting Organic Waste]
+    N6{Metal Recycling}
+    N7[Glass Recycling]
+    N8(Circular Economy Implementation)
+    N9[Closed_Loop Material Flow]
+    N10([end])
+    N0 -.-> |grades| N1
+    N1 --> N2
+    N2 --> |melts| N3
+    N3 --> N4
+    N4 -.-> |measures| N5
+    N5 -.-> |shreds| N6
+    N6 -.-> |classifies| N7
+    N7 --> |tracks| N8
+    N8 -.-> N9
+    N9 -.-> |tests| N10
+    N0 -.-> |partners| N7
+    N5 -.-> N4
+    style N0 fill:#E9F7E8,stroke:#6EB76D
+    style N1 fill:#E6EE9C,stroke:#CDDC39
+    style N2 fill:#FFF0CC,stroke:#FFCC80
+    style N3 fill:#FFF0CC,stroke:#FFCC80
+    style N4 fill:#E6EE9C,stroke:#CDDC39
+    style N5 fill:#E6EE9C,stroke:#CDDC39
+    style N6 fill:#E6EE9C,stroke:#CDDC39
+    style N7 fill:#E6EE9C,stroke:#CDDC39
+    style N8 fill:#E6EE9C,stroke:#CDDC39
+    style N9 fill:#FFF0CC,stroke:#FFCC80
+    style N10 fill:#E9F7E8,stroke:#6EB76D
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#6EB76D,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_132.mmd b/test/mermaid/easy/mermaid_132.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..2ffebba4e82dd567a2aa2bed4a218ee14dabaf5c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_132.mmd
@@ -0,0 +1,36 @@
+graph RL
+    N0([Hazardous Material Recovery])
+    N1[New Product Manufacturing]
+    N2[Recycling Facility Optimization]
+    N3[Construction Waste Recycling]
+    N4(Product Design for Recyclability)
+    N5{Commercial Recycling Solutions}
+    N6([Recycling Infrastructure Development])
+    N7([Plastic Recycling])
+    N0 --> |reduces| N1
+    N1 -.-> N2
+    N2 -.-> |audits| N3
+    N3 --> |segregates| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> |cleans| N7
+    N3 --> |collects| N5
+    N5 -.-> |forms| N7
+    style N0 fill:#FFF3E0,stroke:#FFA726
+    style N1 fill:#FFCDD2,stroke:#F44336
+    style N2 fill:#D1C4E9,stroke:#673AB7
+    style N3 fill:#FFF3E0,stroke:#FFA726
+    style N4 fill:#D1C4E9,stroke:#673AB7
+    style N5 fill:#D1C4E9,stroke:#673AB7
+    style N6 fill:#FFCDD2,stroke:#F44336
+    style N7 fill:#FFCDD2,stroke:#F44336
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_133.mmd b/test/mermaid/easy/mermaid_133.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..089248fb7c9f70cd0536ce9f9da5348acbb7ebad
--- /dev/null
+++ b/test/mermaid/easy/mermaid_133.mmd
@@ -0,0 +1,50 @@
+graph LR
+    N0([Recreation Management])
+    N1{Timber Harvesting}
+    N2[Pest and Disease Control]
+    N3[Forest Carbon Accounting]
+    N4[Erosion Control]
+    N5[/Sustainable Forest Management/]
+    N6[[Agroforestry Systems]]
+    N7[Forest Land Use Planning]
+    N8(Tree Nursery Management)
+    N9{Climate Change Adaptation in Forests}
+    N10[(Reforestation)]
+    N11([end])
+    N0 -.-> |processes| N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> |educates| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> |thins| N9
+    N9 -.-> N10
+    N10 --> |regulates| N11
+    N10 --> |removes| N7
+    style N0 fill:#FFECB3,stroke:#FFC107
+    style N1 fill:#FFECB3,stroke:#FFC107
+    style N2 fill:#FFE88D,stroke:#FFDA4E
+    style N3 fill:#FFFDE0,stroke:#FFF8A6
+    style N4 fill:#FFE88D,stroke:#FFDA4E
+    style N5 fill:#FFFDE0,stroke:#FFF8A6
+    style N6 fill:#FFECB3,stroke:#FFC107
+    style N7 fill:#FFECB3,stroke:#FFC107
+    style N8 fill:#FFFDE0,stroke:#FFF8A6
+    style N9 fill:#FFECB3,stroke:#FFC107
+    style N10 fill:#FFECB3,stroke:#FFC107
+    style N11 fill:#FFE88D,stroke:#FFDA4E
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFF8A6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_133.txt b/test/mermaid/easy/mermaid_133.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f9c98b0798fd12a9ddd8d41246bce2a47cebe19f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_133.txt
@@ -0,0 +1,12 @@
+<Agroforestry Systems, connectedTo, Forest Land Use Planning>
+<Climate Change Adaptation in Forests, connectedTo, Reforestation>
+<Erosion Control, connectedTo, Sustainable Forest Management>
+<Forest Carbon Accounting, educates, Erosion Control>
+<Forest Land Use Planning, connectedTo, Tree Nursery Management>
+<Pest and Disease Control, connectedTo, Forest Carbon Accounting>
+<Recreation Management, processes, Timber Harvesting>
+<Reforestation, regulates, end>
+<Reforestation, removes, Forest Land Use Planning>
+<Sustainable Forest Management, connectedTo, Agroforestry Systems>
+<Timber Harvesting, connectedTo, Pest and Disease Control>
+<Tree Nursery Management, thins, Climate Change Adaptation in Forests>
diff --git a/test/mermaid/easy/mermaid_134.txt b/test/mermaid/easy/mermaid_134.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5218b45f9bbd68979a30b4706cbed4ee98aed889
--- /dev/null
+++ b/test/mermaid/easy/mermaid_134.txt
@@ -0,0 +1,13 @@
+<Climate Change Adaptation in Forests, connectedTo, Ecological Restoration>
+<Drone Surveying for Forests, connectedTo, Forest Road Construction>
+<Ecological Restoration, controls, Forest Carbon Accounting>
+<Forest Carbon Accounting, connectedTo, Wildlife Habitat Management>
+<Forest Fire Management, connectedTo, Climate Change Adaptation in Forests>
+<Forest Research, grades, Recreation Management>
+<GIS Mapping for Forestry, restores, Forest Fire Management>
+<Illegal Logging Prevention, connectedTo, GIS Mapping for Forestry>
+<Illegal Logging Prevention, maps, Recreation Management>
+<Recreation Management, connectedTo, Ecological Restoration>
+<Recreation Management, harvests, Illegal Logging Prevention>
+<Wildlife Habitat Management, prevents, Drone Surveying for Forests>
+<start, connectedTo, Forest Research>
diff --git a/test/mermaid/easy/mermaid_136.txt b/test/mermaid/easy/mermaid_136.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2ccbb38b150e02e023cc1824393826cd3ad7f8ac
--- /dev/null
+++ b/test/mermaid/easy/mermaid_136.txt
@@ -0,0 +1,13 @@
+<Allergy Testing, connectedTo, Pet Check_up>
+<Emergency Vet Services, yes, Wildlife Rehabilitation>
+<Equine Care, yes, Hospice Care for Animals>
+<Farm Animal Health Management, connectedTo, Allergy Testing>
+<Hospice Care for Animals, yes, Pharmacy Management>
+<Medical Treatment, connectedTo, Emergency Vet Services>
+<Medical Treatment, connectedTo, end>
+<Medical Treatment, yes, Equine Care>
+<Pet Check_up, no, Equine Care>
+<Pharmacy Management, connectedTo, Emergency Vet Services>
+<Post_operative Care, connectedTo, Medical Treatment>
+<Wildlife Rehabilitation, no, Post_operative Care>
+<start, no, Farm Animal Health Management>
diff --git a/test/mermaid/easy/mermaid_137.mmd b/test/mermaid/easy/mermaid_137.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..250f897544bece8071c299cb4268985e80555ba4
--- /dev/null
+++ b/test/mermaid/easy/mermaid_137.mmd
@@ -0,0 +1,48 @@
+graph RL
+    N0([Genetic Counseling for Animals])
+    N1[[Veterinary Technology Training]]
+    N2([Behavioral Counseling])
+    N3{Herd Health Programs}
+    N4[Pain Management]
+    N5[/Allergy Testing/]
+    N6(Pet Check_up)
+    N7(Reproductive Services)
+    N8[[Imaging Services]]
+    N9(Public Health Vet Services)
+    N10([Parasite Control])
+    N0 --> |medicates| N1
+    N1 --> |examines| N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> |reproduces| N5
+    N5 --> |treats| N6
+    N6 --> |tests| N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 -.-> |euthanizes| N10
+    N5 --> |rehabilitates| N10
+    N0 --> N9
+    style N0 fill:#E0F7FA,stroke:#00BCD4
+    style N1 fill:#EDE7F6,stroke:#9575CD
+    style N2 fill:#FFF0CC,stroke:#FFCC80
+    style N3 fill:#EDE7F6,stroke:#9575CD
+    style N4 fill:#FFF0CC,stroke:#FFCC80
+    style N5 fill:#EDE7F6,stroke:#9575CD
+    style N6 fill:#EDE7F6,stroke:#9575CD
+    style N7 fill:#E0F7FA,stroke:#00BCD4
+    style N8 fill:#FFF0CC,stroke:#FFCC80
+    style N9 fill:#FFF0CC,stroke:#FFCC80
+    style N10 fill:#E0F7FA,stroke:#00BCD4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#9575CD,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_138.mmd b/test/mermaid/easy/mermaid_138.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e406e5ebfd7405cbd14539fb4e8f3fe66b5ed6ff
--- /dev/null
+++ b/test/mermaid/easy/mermaid_138.mmd
@@ -0,0 +1,52 @@
+graph LR
+    N0([start])
+    N1[/Spay or Neuter Procedure/]
+    N2[/Dental Care/]
+    N3(Public Health Vet Services)
+    N4[[Microchipping]]
+    N5[/Pre_surgical Assessment/]
+    N6[(Allergy Testing)]
+    N7(Livestock Disease Prevention)
+    N8{Genetic Counseling for Animals}
+    N9[Imaging Services]
+    N10[Behavioral Counseling]
+    N11([end])
+    N0 -.-> N1
+    N1 --> |rehabilitates| N2
+    N2 --> |certifies| N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> |records| N6
+    N6 -.-> |shelters| N7
+    N7 --> |dresses| N8
+    N8 --> N9
+    N9 --> |analyzes| N10
+    N10 --> N11
+    N9 --> N6
+    N7 --> N4
+    style N0 fill:#ECF0FD,stroke:#B8C0F5
+    style N1 fill:#ECF0FD,stroke:#B8C0F5
+    style N2 fill:#DACBE3,stroke:#A188D0
+    style N3 fill:#ECF0FD,stroke:#B8C0F5
+    style N4 fill:#DACBE3,stroke:#A188D0
+    style N5 fill:#ECF0FD,stroke:#B8C0F5
+    style N6 fill:#FFF3E0,stroke:#FFA726
+    style N7 fill:#ECF0FD,stroke:#B8C0F5
+    style N8 fill:#ECF0FD,stroke:#B8C0F5
+    style N9 fill:#DACBE3,stroke:#A188D0
+    style N10 fill:#DACBE3,stroke:#A188D0
+    style N11 fill:#ECF0FD,stroke:#B8C0F5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#B8C0F5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_138.txt b/test/mermaid/easy/mermaid_138.txt
new file mode 100644
index 0000000000000000000000000000000000000000..754fe78274ba8c6fd3d8e89e807430731c6585f9
--- /dev/null
+++ b/test/mermaid/easy/mermaid_138.txt
@@ -0,0 +1,13 @@
+<Allergy Testing, shelters, Livestock Disease Prevention>
+<Behavioral Counseling, connectedTo, end>
+<Dental Care, certifies, Public Health Vet Services>
+<Genetic Counseling for Animals, connectedTo, Imaging Services>
+<Imaging Services, analyzes, Behavioral Counseling>
+<Imaging Services, connectedTo, Allergy Testing>
+<Livestock Disease Prevention, connectedTo, Microchipping>
+<Livestock Disease Prevention, dresses, Genetic Counseling for Animals>
+<Microchipping, connectedTo, Pre_surgical Assessment>
+<Pre_surgical Assessment, records, Allergy Testing>
+<Public Health Vet Services, connectedTo, Microchipping>
+<Spay or Neuter Procedure, rehabilitates, Dental Care>
+<start, connectedTo, Spay or Neuter Procedure>
diff --git a/test/mermaid/easy/mermaid_139.mmd b/test/mermaid/easy/mermaid_139.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..9eef072eb8e4cf9bc5efe02798425d01e1838a14
--- /dev/null
+++ b/test/mermaid/easy/mermaid_139.mmd
@@ -0,0 +1,40 @@
+graph RL
+    N0([Outdoor Play Supervision])
+    N1[(Playground Safety Inspection)]
+    N2[[Teacher_Child Ratio Management]]
+    N3(Infant Care)
+    N4[/Story Time Reading/]
+    N5[/Childcare Facility Licensing/]
+    N6[[Field Trip Organization]]
+    N7([Nap Time Supervision])
+    N8([end])
+    N0 -.-> N1
+    N1 -.-> |inspects| N2
+    N2 -.-> |protects| N3
+    N3 --> |engages| N4
+    N4 --> |disciplines| N5
+    N5 -.-> |teaches| N6
+    N6 -.-> |feeds| N7
+    N7 -.-> N8
+    N0 -.-> |cleans| N5
+    N8 -.-> N5
+    style N0 fill:#D3F7F9,stroke:#80DDEA
+    style N1 fill:#E1F5FE,stroke:#4FC3F7
+    style N2 fill:#D3F7F9,stroke:#80DDEA
+    style N3 fill:#D3F7F9,stroke:#80DDEA
+    style N4 fill:#FFFDE7,stroke:#FBC02D
+    style N5 fill:#E1F5FE,stroke:#4FC3F7
+    style N6 fill:#FFFDE7,stroke:#FBC02D
+    style N7 fill:#E1F5FE,stroke:#4FC3F7
+    style N8 fill:#FFFDE7,stroke:#FBC02D
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FBC02D,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_140.mmd b/test/mermaid/easy/mermaid_140.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5f893b1d151d1b30850720247143f590069c9d9f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_140.mmd
@@ -0,0 +1,46 @@
+graph TD
+    N0([start])
+    N1[Learning Material Selection]
+    N2(Toddler Activities)
+    N3[Parent_Teacher Conferences]
+    N4{Social Skill Development}
+    N5(Child Psychology Application)
+    N6[Motor Skill Development]
+    N7[Hygiene Practices]
+    N8[/Parent Communication/]
+    N9[Childcare Facility Licensing]
+    N10([end])
+    N0 --> |enrolls| N1
+    N1 --> N2
+    N2 --> |engages| N3
+    N3 --> N4
+    N4 -.-> |certifies| N5
+    N5 --> |accommodates| N6
+    N6 --> |advises| N7
+    N7 --> N8
+    N8 --> |manages| N9
+    N9 --> N10
+    N8 --> N3
+    style N0 fill:#FFFCE6,stroke:#FFF9AE
+    style N1 fill:#FFFCE6,stroke:#FFF9AE
+    style N2 fill:#FFFCE6,stroke:#FFF9AE
+    style N3 fill:#FFFCE6,stroke:#FFF9AE
+    style N4 fill:#FFFCE6,stroke:#FFF9AE
+    style N5 fill:#F1F8E9,stroke:#388E3C
+    style N6 fill:#FFFCE6,stroke:#FFF9AE
+    style N7 fill:#FFFCE6,stroke:#FFF9AE
+    style N8 fill:#FFFCE6,stroke:#FFF9AE
+    style N9 fill:#F1F8E9,stroke:#388E3C
+    style N10 fill:#FFFCE6,stroke:#FFF9AE
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#388E3C,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_141.mmd b/test/mermaid/easy/mermaid_141.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..9960bbf78bb1b70ad36c191973490edd0d39bc44
--- /dev/null
+++ b/test/mermaid/easy/mermaid_141.mmd
@@ -0,0 +1,46 @@
+graph BT
+    N0([Field Trip Organization])
+    N1[[Nap Time Supervision]]
+    N2(Playground Safety Inspection)
+    N3[(Nutritional Meal Preparation)]
+    N4[Hygiene Practices]
+    N5[[Daily Activity Reporting]]
+    N6[[Staff Training and Certification]]
+    N7[Childcare Facility Licensing]
+    N8[(Social Skill Development)]
+    N9[Curriculum Planning]
+    N10([Sensory Play])
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> |licenses| N4
+    N4 --> |maintains| N5
+    N5 -.-> |certifies| N6
+    N6 -.-> N7
+    N7 -.-> |feeds| N8
+    N8 -.-> N9
+    N9 --> |plays with| N10
+    N8 --> |inspects| N5
+    style N0 fill:#F8BBD0,stroke:#E91E63
+    style N1 fill:#F3E5F5,stroke:#BA68C8
+    style N2 fill:#F3E5F5,stroke:#BA68C8
+    style N3 fill:#F8BBD0,stroke:#E91E63
+    style N4 fill:#E8EAF6,stroke:#5C6BC0
+    style N5 fill:#F8BBD0,stroke:#E91E63
+    style N6 fill:#E8EAF6,stroke:#5C6BC0
+    style N7 fill:#E8EAF6,stroke:#5C6BC0
+    style N8 fill:#F8BBD0,stroke:#E91E63
+    style N9 fill:#F3E5F5,stroke:#BA68C8
+    style N10 fill:#E8EAF6,stroke:#5C6BC0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#5C6BC0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_142.mmd b/test/mermaid/easy/mermaid_142.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b474828dc9a7b3b6e555bf776042a7c073815057
--- /dev/null
+++ b/test/mermaid/easy/mermaid_142.mmd
@@ -0,0 +1,29 @@
+graph RL
+    N0([start])
+    N1[Chronic Disease Management]
+    N2(Care Plan Development)
+    N3(Health Monitoring)
+    N4{Occupational Therapy}
+    N5[Mobility Support]
+    N6[Medication Management]
+    N7{Social Engagement Activities}
+    N8([end])
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> |yes| N3
+    N3 -.-> |yes| N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> |yes| N7
+    N7 -.-> |yes| N8
+    N0 --> |no| N4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#D3EB9F,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_143.mmd b/test/mermaid/easy/mermaid_143.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..fe8a301444dbb5ae38146917bbd52b106cd99618
--- /dev/null
+++ b/test/mermaid/easy/mermaid_143.mmd
@@ -0,0 +1,44 @@
+graph LR
+    N0([Emotional Support and Counseling])
+    N1([Legal Aid Referrals])
+    N2([Safety Assessments])
+    N3[/Family Communication/]
+    N4{Telehealth for Seniors}
+    N5{Emergency Response System Monitoring}
+    N6(Nutritional Assessment)
+    N7[/Daily Living Assistance/]
+    N8[(Mobility Support)]
+    N9([Nursing Care])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> |optimizes| N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> |oversees| N7
+    N7 --> N8
+    N8 --> N9
+    N1 --> |plans| N9
+    N2 --> |transports| N4
+    style N0 fill:#FAEBF3,stroke:#F7BEE0
+    style N1 fill:#FFCDD2,stroke:#F44336
+    style N2 fill:#ECF0FD,stroke:#B8C0F5
+    style N3 fill:#ECF0FD,stroke:#B8C0F5
+    style N4 fill:#ECF0FD,stroke:#B8C0F5
+    style N5 fill:#FFCDD2,stroke:#F44336
+    style N6 fill:#FAEBF3,stroke:#F7BEE0
+    style N7 fill:#ECF0FD,stroke:#B8C0F5
+    style N8 fill:#FAEBF3,stroke:#F7BEE0
+    style N9 fill:#FAEBF3,stroke:#F7BEE0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#F44336,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_143.txt b/test/mermaid/easy/mermaid_143.txt
new file mode 100644
index 0000000000000000000000000000000000000000..eb5c21b41ebd37bb5a5b1d5452ff4aa91ba9210a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_143.txt
@@ -0,0 +1,11 @@
+<Daily Living Assistance, connectedTo, Mobility Support>
+<Emergency Response System Monitoring, connectedTo, Nutritional Assessment>
+<Emotional Support and Counseling, connectedTo, Legal Aid Referrals>
+<Family Communication, connectedTo, Telehealth for Seniors>
+<Legal Aid Referrals, connectedTo, Safety Assessments>
+<Legal Aid Referrals, plans, Nursing Care>
+<Mobility Support, connectedTo, Nursing Care>
+<Nutritional Assessment, oversees, Daily Living Assistance>
+<Safety Assessments, optimizes, Family Communication>
+<Safety Assessments, transports, Telehealth for Seniors>
+<Telehealth for Seniors, connectedTo, Emergency Response System Monitoring>
diff --git a/test/mermaid/easy/mermaid_144.mmd b/test/mermaid/easy/mermaid_144.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..66a78579f7fe8e6dee0f97c965046dd84a81b072
--- /dev/null
+++ b/test/mermaid/easy/mermaid_144.mmd
@@ -0,0 +1,28 @@
+graph LR
+    N0([start])
+    N1[Palliative Care]
+    N2[Speech Therapy]
+    N3[Caregiver Training]
+    N4{Rehabilitation Support}
+    N5[[Dementia Care]]
+    N6(Emergency Response System Monitoring)
+    N7([end])
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> |yes| N4
+    N4 --> N5
+    N5 --> |yes| N6
+    N6 -.-> |no| N7
+    N5 --> |no| N4
+    N0 --> |yes| N3
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#64B5F6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_144.txt b/test/mermaid/easy/mermaid_144.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dfdd6cb87db362b6ed286638ae7716148092fbd8
--- /dev/null
+++ b/test/mermaid/easy/mermaid_144.txt
@@ -0,0 +1,9 @@
+<Caregiver Training, yes, Rehabilitation Support>
+<Dementia Care, no, Rehabilitation Support>
+<Dementia Care, yes, Emergency Response System Monitoring>
+<Emergency Response System Monitoring, no, end>
+<Palliative Care, connectedTo, Speech Therapy>
+<Rehabilitation Support, connectedTo, Dementia Care>
+<Speech Therapy, connectedTo, Caregiver Training>
+<start, connectedTo, Palliative Care>
+<start, yes, Caregiver Training>
diff --git a/test/mermaid/easy/mermaid_145.mmd b/test/mermaid/easy/mermaid_145.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5c3ef314e15804ee468df427b7d9a8de3a2b4327
--- /dev/null
+++ b/test/mermaid/easy/mermaid_145.mmd
@@ -0,0 +1,34 @@
+graph RL
+    N0([start])
+    N1(Volunteer Coordination)
+    N2[Community Preparedness]
+    N3[Geographic Information Systems for Disasters]
+    N4[Logistics and Supply Chain]
+    N5[Resilience Building]
+    N6{Post_Disaster Evaluation}
+    N7([Capacity Building for Local Communities])
+    N8(Evacuation Procedures)
+    N9([end])
+    N0 -.-> |yes| N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> |no| N4
+    N4 -.-> N5
+    N5 --> |yes| N6
+    N6 -.-> N7
+    N7 -.-> |yes| N8
+    N8 --> |yes| N9
+    N2 -.-> |yes| N8
+    N4 -.-> N3
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_146.mmd b/test/mermaid/easy/mermaid_146.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..794eaf5d3eaa8a9dbb6561882b19a6a6e840f99e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_146.mmd
@@ -0,0 +1,50 @@
+graph TD
+    N0([start])
+    N1[(Policy and Legislation Review)]
+    N2[Cash Transfer Programs]
+    N3[Debris Management]
+    N4[Public Awareness Campaigns]
+    N5(Search and Rescue Operations)
+    N6[(Post_Disaster Evaluation)]
+    N7(Emergency Response)
+    N8[[Medical Aid Deployment]]
+    N9[[Early Warning Systems]]
+    N10{Resilience Building}
+    N11([Hazard Identification])
+    N0 --> |drills| N1
+    N1 --> |coordinates| N2
+    N2 -.-> |mobilizes| N3
+    N3 --> |rebuilds| N4
+    N4 -.-> N5
+    N5 -.-> |audits| N6
+    N6 -.-> N7
+    N7 -.-> |trains| N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> N11
+    N10 -.-> |supports| N1
+    style N0 fill:#FFCCBC,stroke:#FF5722
+    style N1 fill:#F3E5F5,stroke:#AB47BC
+    style N2 fill:#F3E5F5,stroke:#AB47BC
+    style N3 fill:#F5F5DC,stroke:#BCB88A
+    style N4 fill:#FFCCBC,stroke:#FF5722
+    style N5 fill:#F5F5DC,stroke:#BCB88A
+    style N6 fill:#FFCCBC,stroke:#FF5722
+    style N7 fill:#F3E5F5,stroke:#AB47BC
+    style N8 fill:#F5F5DC,stroke:#BCB88A
+    style N9 fill:#F3E5F5,stroke:#AB47BC
+    style N10 fill:#FFCCBC,stroke:#FF5722
+    style N11 fill:#F5F5DC,stroke:#BCB88A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_147.mmd b/test/mermaid/easy/mermaid_147.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..40705b54978ae3064a53be1df1f581bd473351c5
--- /dev/null
+++ b/test/mermaid/easy/mermaid_147.mmd
@@ -0,0 +1,36 @@
+graph RL
+    N0([Emergency Planning])
+    N1(Debris Management)
+    N2(Hazard Mapping)
+    N3[Mitigation Strategies]
+    N4[/Medical Aid Deployment/]
+    N5[[Incident Command System]]
+    N6[Climate Change Adaptation for Disasters]
+    N7([Economic Recovery Initiatives])
+    N0 -.-> |donates| N1
+    N1 --> N2
+    N2 -.-> |mobilizes| N3
+    N3 -.-> N4
+    N4 --> |restores| N5
+    N5 -.-> |evaluates| N6
+    N6 -.-> N7
+    N5 --> |trains| N7
+    N4 --> N1
+    style N0 fill:#F1F8E9,stroke:#388E3C
+    style N1 fill:#E1F5FE,stroke:#4FC3F7
+    style N2 fill:#E1F5FE,stroke:#4FC3F7
+    style N3 fill:#E1F5FE,stroke:#4FC3F7
+    style N4 fill:#E1F5FE,stroke:#4FC3F7
+    style N5 fill:#E1F5FE,stroke:#4FC3F7
+    style N6 fill:#E1F5FE,stroke:#4FC3F7
+    style N7 fill:#DED7F0,stroke:#A188DB
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A188DB,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_148.txt b/test/mermaid/easy/mermaid_148.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4fb3eb61da9af0c387870a70540f89eb2e1e703f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_148.txt
@@ -0,0 +1,9 @@
+<Air Operations, connectedTo, Surveillance>
+<Civil_Military Cooperation, no, end>
+<Crisis Management, no, Air Operations>
+<Defense Procurement, yes, Crisis Management>
+<Disaster Relief Deployment, yes, Defense Procurement>
+<Electronic Warfare, connectedTo, Disaster Relief Deployment>
+<Surveillance, connectedTo, Civil_Military Cooperation>
+<Surveillance, connectedTo, end>
+<start, connectedTo, Electronic Warfare>
diff --git a/test/mermaid/easy/mermaid_149.mmd b/test/mermaid/easy/mermaid_149.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..592c319a506be401ff74e257817a34017d2dae59
--- /dev/null
+++ b/test/mermaid/easy/mermaid_149.mmd
@@ -0,0 +1,52 @@
+graph RL
+    N0([Peacekeeping Missions])
+    N1[/Equipment Maintenance/]
+    N2(Military Law)
+    N3[(Crisis Management)]
+    N4([Space Operations])
+    N5(Air Operations)
+    N6[Specialized Training]
+    N7([Civil_Military Cooperation])
+    N8[/Rules of Engagement/]
+    N9[Chaplain Services]
+    N10([Surveillance])
+    N11([Military Strategy Development])
+    N0 --> |negotiates| N1
+    N1 --> |deploys| N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> |analyzes| N5
+    N5 --> |maps| N6
+    N6 --> |supplies| N7
+    N7 -.-> N8
+    N8 -.-> |interdicts| N9
+    N9 --> N10
+    N10 -.-> |warns| N11
+    N1 --> N4
+    N4 -.-> N10
+    style N0 fill:#E6EE9C,stroke:#CDDC39
+    style N1 fill:#ECCFF5,stroke:#CD8FF2
+    style N2 fill:#ECCFF5,stroke:#CD8FF2
+    style N3 fill:#E6EE9C,stroke:#CDDC39
+    style N4 fill:#C8EDFF,stroke:#82DAFF
+    style N5 fill:#ECCFF5,stroke:#CD8FF2
+    style N6 fill:#C8EDFF,stroke:#82DAFF
+    style N7 fill:#E6EE9C,stroke:#CDDC39
+    style N8 fill:#E6EE9C,stroke:#CDDC39
+    style N9 fill:#C8EDFF,stroke:#82DAFF
+    style N10 fill:#E6EE9C,stroke:#CDDC39
+    style N11 fill:#ECCFF5,stroke:#CD8FF2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#CDDC39,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_15.mmd b/test/mermaid/easy/mermaid_15.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0b109785e50504cf4441edeab3af91cc5462164a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_15.mmd
@@ -0,0 +1,42 @@
+graph LR
+    N0([Warehouse Management])
+    N1{Affiliate Marketing}
+    N2(Package Return)
+    N3([Delivery Tracking])
+    N4(Wishlist Management)
+    N5[[Data Analytics Reporting]]
+    N6(Shipment)
+    N7[Invoice Generation]
+    N8(Marketing Campaign Launch)
+    N9([Fraud Detection])
+    N0 -.-> N1
+    N1 --> |validates| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> |lists| N6
+    N6 -.-> |fulfills| N7
+    N7 --> N8
+    N8 -.-> |delivers| N9
+    N1 --> |pays| N5
+    style N0 fill:#FFF0CC,stroke:#FFCC80
+    style N1 fill:#EDF5F3,stroke:#A1D7CD
+    style N2 fill:#EDF5F3,stroke:#A1D7CD
+    style N3 fill:#FFF0CC,stroke:#FFCC80
+    style N4 fill:#FFF0CC,stroke:#FFCC80
+    style N5 fill:#B2EBF2,stroke:#00BCD4
+    style N6 fill:#B2EBF2,stroke:#00BCD4
+    style N7 fill:#B2EBF2,stroke:#00BCD4
+    style N8 fill:#EDF5F3,stroke:#A1D7CD
+    style N9 fill:#FFF0CC,stroke:#FFCC80
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFCC80,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_15.txt b/test/mermaid/easy/mermaid_15.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8dac2b6ac74c58e85a70573a60024e8ece0815e5
--- /dev/null
+++ b/test/mermaid/easy/mermaid_15.txt
@@ -0,0 +1,10 @@
+<Affiliate Marketing, pays, Data Analytics Reporting>
+<Affiliate Marketing, validates, Package Return>
+<Data Analytics Reporting, lists, Shipment>
+<Delivery Tracking, connectedTo, Wishlist Management>
+<Invoice Generation, connectedTo, Marketing Campaign Launch>
+<Marketing Campaign Launch, delivers, Fraud Detection>
+<Package Return, connectedTo, Delivery Tracking>
+<Shipment, fulfills, Invoice Generation>
+<Warehouse Management, connectedTo, Affiliate Marketing>
+<Wishlist Management, connectedTo, Data Analytics Reporting>
diff --git a/test/mermaid/easy/mermaid_150.mmd b/test/mermaid/easy/mermaid_150.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..eb89834f95c218c63f4d44ac01d0d561280f13b2
--- /dev/null
+++ b/test/mermaid/easy/mermaid_150.mmd
@@ -0,0 +1,28 @@
+graph TD
+    N0([start])
+    N1[(Combat Operations)]
+    N2[/Peacekeeping Missions/]
+    N3{Counter_Insurgency Operations}
+    N4[[Military Strategy Development]]
+    N5[Disaster Relief Deployment]
+    N6{Personnel Management}
+    N7([end])
+    N0 --> N1
+    N1 --> |yes| N2
+    N2 --> |yes| N3
+    N3 --> |no| N4
+    N4 -.-> |no| N5
+    N5 -.-> |no| N6
+    N6 -.-> N7
+    N5 -.-> N2
+    N6 -.-> N4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#5C6BC0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_150.txt b/test/mermaid/easy/mermaid_150.txt
new file mode 100644
index 0000000000000000000000000000000000000000..99fbda4af9d674eab67d666f14a17521c8322fe3
--- /dev/null
+++ b/test/mermaid/easy/mermaid_150.txt
@@ -0,0 +1,9 @@
+<Combat Operations, yes, Peacekeeping Missions>
+<Counter_Insurgency Operations, no, Military Strategy Development>
+<Disaster Relief Deployment, connectedTo, Peacekeeping Missions>
+<Disaster Relief Deployment, no, Personnel Management>
+<Military Strategy Development, no, Disaster Relief Deployment>
+<Peacekeeping Missions, yes, Counter_Insurgency Operations>
+<Personnel Management, connectedTo, Military Strategy Development>
+<Personnel Management, connectedTo, end>
+<start, connectedTo, Combat Operations>
diff --git a/test/mermaid/easy/mermaid_151.mmd b/test/mermaid/easy/mermaid_151.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..2fa64329067254e05208c092541cc89613df07c5
--- /dev/null
+++ b/test/mermaid/easy/mermaid_151.mmd
@@ -0,0 +1,42 @@
+graph LR
+    N0([Airworthiness Certification])
+    N1(Sustainable Aviation Fuel Development)
+    N2[/Weather Briefing/]
+    N3(Airport Security Management)
+    N4[/Delay Management/]
+    N5([Route Optimization])
+    N6[[Ground Support]]
+    N7(Gate Assignment)
+    N8(Crew Resource Management)
+    N9([Navigation System Check])
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> |secures| N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> |maintains| N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> |certifies| N9
+    N8 --> |flies| N1
+    style N0 fill:#C5CAE9,stroke:#3F51B5
+    style N1 fill:#C5CAE9,stroke:#3F51B5
+    style N2 fill:#E0E6E9,stroke:#AABEC6
+    style N3 fill:#FFF9C4,stroke:#FFEB3B
+    style N4 fill:#FFF9C4,stroke:#FFEB3B
+    style N5 fill:#E0E6E9,stroke:#AABEC6
+    style N6 fill:#E0E6E9,stroke:#AABEC6
+    style N7 fill:#C5CAE9,stroke:#3F51B5
+    style N8 fill:#FFF9C4,stroke:#FFEB3B
+    style N9 fill:#FFF9C4,stroke:#FFEB3B
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFEB3B,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_152.txt b/test/mermaid/easy/mermaid_152.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0bd7adc0c3730e765eb5881e07809370acdca33d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_152.txt
@@ -0,0 +1,11 @@
+<Air Cargo Logistics, guides, end>
+<Aircraft De_icing, connectedTo, Air Cargo Logistics>
+<Airport Operations, connectedTo, Delay Management>
+<Aviation Safety Investigation, connectedTo, Remote Tower Operations>
+<Aviation Safety Investigation, repairs, end>
+<Crew Resource Management, responds, Aircraft De_icing>
+<Delay Management, connectedTo, Engine Overhaul>
+<Engine Overhaul, fuels, Crew Resource Management>
+<Noise Abatement Procedures, connectedTo, Aviation Safety Investigation>
+<Remote Tower Operations, maintains, Sustainable Aviation Fuel Development>
+<Sustainable Aviation Fuel Development, documents, Airport Operations>
diff --git a/test/mermaid/easy/mermaid_153.mmd b/test/mermaid/easy/mermaid_153.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..48fc066f463f7227e717321f2196f48ed7e5ac98
--- /dev/null
+++ b/test/mermaid/easy/mermaid_153.mmd
@@ -0,0 +1,32 @@
+graph RL
+    N0([start])
+    N1[Regulatory Compliance]
+    N2[In_flight Service]
+    N3[Unmanned Aerial Vehicle Integration]
+    N4[Gate Assignment]
+    N5[Remote Tower Operations]
+    N6([Delay Management])
+    N7([Baggage Handling])
+    N8[Noise Abatement Procedures]
+    N9([end])
+    N0 -.-> |no| N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> |no| N4
+    N4 --> |no| N5
+    N5 -.-> |no| N6
+    N6 --> N7
+    N7 --> |no| N8
+    N8 --> |no| N9
+    N9 --> |no| N1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_153.txt b/test/mermaid/easy/mermaid_153.txt
new file mode 100644
index 0000000000000000000000000000000000000000..db5ee59ab6f68198e34fdfef5d8ce2d8bc2cd616
--- /dev/null
+++ b/test/mermaid/easy/mermaid_153.txt
@@ -0,0 +1,10 @@
+<Baggage Handling, no, Noise Abatement Procedures>
+<Delay Management, connectedTo, Baggage Handling>
+<Gate Assignment, no, Remote Tower Operations>
+<In_flight Service, connectedTo, Unmanned Aerial Vehicle Integration>
+<Noise Abatement Procedures, no, end>
+<Regulatory Compliance, connectedTo, In_flight Service>
+<Remote Tower Operations, no, Delay Management>
+<Unmanned Aerial Vehicle Integration, no, Gate Assignment>
+<end, no, Regulatory Compliance>
+<start, no, Regulatory Compliance>
diff --git a/test/mermaid/easy/mermaid_156.txt b/test/mermaid/easy/mermaid_156.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3295a300931015ff414cebcecc5ee81baeb4bf33
--- /dev/null
+++ b/test/mermaid/easy/mermaid_156.txt
@@ -0,0 +1,9 @@
+<Altitude Tracking, directs, Traffic Information>
+<ETA Estimation, connectedTo, Real_Time Re_routing>
+<GPS Positioning, avoids, Points of Interest Search>
+<GPS Positioning, connectedTo, Offline Map Support>
+<Offline Map Support, steers, Points of Interest Search>
+<Points of Interest Search, measures, start>
+<Points of Interest Search, searches, ETA Estimation>
+<Real_Time Re_routing, optimizes, Altitude Tracking>
+<start, connectedTo, GPS Positioning>
diff --git a/test/mermaid/easy/mermaid_157.mmd b/test/mermaid/easy/mermaid_157.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b71159be450f77c5dd2541860100eda94c638daa
--- /dev/null
+++ b/test/mermaid/easy/mermaid_157.mmd
@@ -0,0 +1,40 @@
+graph BT
+    N0([start])
+    N1([Support Structure Design])
+    N2[3D Printed Tooling]
+    N3([Consumer Product Creation])
+    N4([Maintenance and Repair of Printers])
+    N5[File Format Conversion]
+    N6[(Rapid Manufacturing)]
+    N7[[Bioprinting]]
+    N8{Construction 3D Printing}
+    N9[[Direct Metal Laser Sintering]]
+    N10{Intellectual Property Protection for Designs}
+    N11([end])
+    N0 -.-> |no| N1
+    N1 --> N2
+    N2 --> |no| N3
+    N3 --> |no| N4
+    N4 --> |yes| N5
+    N5 --> |yes| N6
+    N6 -.-> |no| N7
+    N7 -.-> |yes| N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> N11
+    N6 -.-> N5
+    N0 -.-> N9
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_157.txt b/test/mermaid/easy/mermaid_157.txt
new file mode 100644
index 0000000000000000000000000000000000000000..89e720efb1b1045c2f3587021a3f8ff17949f04c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_157.txt
@@ -0,0 +1,13 @@
+<3D Printed Tooling, no, Consumer Product Creation>
+<Bioprinting, yes, Construction 3D Printing>
+<Construction 3D Printing, connectedTo, Direct Metal Laser Sintering>
+<Consumer Product Creation, no, Maintenance and Repair of Printers>
+<Direct Metal Laser Sintering, connectedTo, Intellectual Property Protection for Designs>
+<File Format Conversion, yes, Rapid Manufacturing>
+<Intellectual Property Protection for Designs, connectedTo, end>
+<Maintenance and Repair of Printers, yes, File Format Conversion>
+<Rapid Manufacturing, connectedTo, File Format Conversion>
+<Rapid Manufacturing, no, Bioprinting>
+<Support Structure Design, connectedTo, 3D Printed Tooling>
+<start, connectedTo, Direct Metal Laser Sintering>
+<start, no, Support Structure Design>
diff --git a/test/mermaid/easy/mermaid_158.mmd b/test/mermaid/easy/mermaid_158.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..066f59ff99b4eddcfdc4cb8927849f91d7f3d4e2
--- /dev/null
+++ b/test/mermaid/easy/mermaid_158.mmd
@@ -0,0 +1,38 @@
+graph BT
+    N0([start])
+    N1(Educational Applications)
+    N2[3D Model Design]
+    N3[Food Printing]
+    N4{Multi_Material Printing}
+    N5{Maintenance and Repair of Printers}
+    N6[/Additive Manufacturing/]
+    N7(Custom Part Production)
+    N8(Intellectual Property Protection for Designs)
+    N9[/Distributed Manufacturing/]
+    N10([Mass Customization])
+    N11([end])
+    N0 --> |yes| N1
+    N1 --> |no| N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> |yes| N6
+    N6 -.-> |no| N7
+    N7 --> |no| N8
+    N8 --> N9
+    N9 --> N10
+    N10 --> |yes| N11
+    N0 -.-> N10
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#3F51B5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_158.txt b/test/mermaid/easy/mermaid_158.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3d9a3b39ae79f9977af7879a25c1aead8192430d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_158.txt
@@ -0,0 +1,12 @@
+<3D Model Design, connectedTo, Food Printing>
+<Additive Manufacturing, no, Custom Part Production>
+<Custom Part Production, no, Intellectual Property Protection for Designs>
+<Distributed Manufacturing, connectedTo, Mass Customization>
+<Educational Applications, no, 3D Model Design>
+<Food Printing, connectedTo, Multi_Material Printing>
+<Intellectual Property Protection for Designs, connectedTo, Distributed Manufacturing>
+<Maintenance and Repair of Printers, yes, Additive Manufacturing>
+<Mass Customization, yes, end>
+<Multi_Material Printing, connectedTo, Maintenance and Repair of Printers>
+<start, connectedTo, Mass Customization>
+<start, yes, Educational Applications>
diff --git a/test/mermaid/easy/mermaid_159.txt b/test/mermaid/easy/mermaid_159.txt
new file mode 100644
index 0000000000000000000000000000000000000000..61a1ec7f6dbc5282ab9d28e2af9abc0cb4dd446e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_159.txt
@@ -0,0 +1,8 @@
+<3D Model Design, connectedTo, 4D Printing>
+<4D Printing, certifies, Reverse Engineering with 3D Printing>
+<Custom Part Production, connectedTo, Fused Deposition Modeling>
+<Fused Deposition Modeling, manufactures, Maintenance and Repair of Printers>
+<Maintenance and Repair of Printers, automates, 3D Model Design>
+<Print Farm Management, materials, Custom Part Production>
+<Reverse Engineering with 3D Printing, connectedTo, Maintenance and Repair of Printers>
+<Reverse Engineering with 3D Printing, connectedTo, Material Selection>
diff --git a/test/mermaid/easy/mermaid_16.mmd b/test/mermaid/easy/mermaid_16.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..45b89ed68a91a1afac987802b9de9a3f69cd7b74
--- /dev/null
+++ b/test/mermaid/easy/mermaid_16.mmd
@@ -0,0 +1,34 @@
+graph BT
+    N0([Ticket Purchase])
+    N1[/Platform Assignment/]
+    N2(Vehicle Assignment)
+    N3(Route Optimization)
+    N4[Load Balancing]
+    N5[/Customs Clearance/]
+    N6(Bus Stop Management)
+    N7([end])
+    N0 --> N1
+    N1 --> N2
+    N2 --> |reports| N3
+    N3 -.-> |updates| N4
+    N4 --> |books| N5
+    N5 --> |maintains| N6
+    N6 --> |checks| N7
+    N1 -.-> N0
+    style N0 fill:#FFF8E1,stroke:#FFD54F
+    style N1 fill:#ECEFF1,stroke:#90A4AE
+    style N2 fill:#FFF8E1,stroke:#FFD54F
+    style N3 fill:#EDE7F6,stroke:#7E57C2
+    style N4 fill:#EDE7F6,stroke:#7E57C2
+    style N5 fill:#ECEFF1,stroke:#90A4AE
+    style N6 fill:#ECEFF1,stroke:#90A4AE
+    style N7 fill:#FFF8E1,stroke:#FFD54F
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_16.txt b/test/mermaid/easy/mermaid_16.txt
new file mode 100644
index 0000000000000000000000000000000000000000..10f03c3b268117f0faede408cced541b64b8e49e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_16.txt
@@ -0,0 +1,8 @@
+<Bus Stop Management, checks, end>
+<Customs Clearance, maintains, Bus Stop Management>
+<Load Balancing, books, Customs Clearance>
+<Platform Assignment, connectedTo, Ticket Purchase>
+<Platform Assignment, connectedTo, Vehicle Assignment>
+<Route Optimization, updates, Load Balancing>
+<Ticket Purchase, connectedTo, Platform Assignment>
+<Vehicle Assignment, reports, Route Optimization>
diff --git a/test/mermaid/easy/mermaid_160.mmd b/test/mermaid/easy/mermaid_160.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f1a4fe2072f14617b34e3d82a0ed1ed6f2b688ce
--- /dev/null
+++ b/test/mermaid/easy/mermaid_160.mmd
@@ -0,0 +1,40 @@
+graph RL
+    N0([Computational Nanotechnology])
+    N1[Biosensors]
+    N2([Energy Storage Applications])
+    N3[(Spintronics)]
+    N4[/Environmental Remediation with Nanomaterials/]
+    N5[(Solar Cell Efficiency Enhancement)]
+    N6(Nanotoxicology)
+    N7[/Photovoltaics/]
+    N8([end])
+    N0 -.-> N1
+    N1 -.-> |assembles| N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> |cleans| N5
+    N5 --> |applies| N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N1 --> |monitors| N7
+    N8 -.-> |delivers| N7
+    style N0 fill:#D3F7F9,stroke:#80DDEA
+    style N1 fill:#FFFDE7,stroke:#FFF176
+    style N2 fill:#FFFDE7,stroke:#FFF176
+    style N3 fill:#FFFDE7,stroke:#FFF176
+    style N4 fill:#FFFDE7,stroke:#FFF176
+    style N5 fill:#FFFDE7,stroke:#FFF176
+    style N6 fill:#FFFDE7,stroke:#FFF176
+    style N7 fill:#D3F7F9,stroke:#80DDEA
+    style N8 fill:#D3F7F9,stroke:#80DDEA
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFF176,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_161.txt b/test/mermaid/easy/mermaid_161.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9d975ad2ce436f692186441a8af55bb7f5ac2838
--- /dev/null
+++ b/test/mermaid/easy/mermaid_161.txt
@@ -0,0 +1,11 @@
+<Energy Storage Applications, tests, Photovoltaics>
+<Environmental Remediation with Nanomaterials, connectedTo, Nanocomposites>
+<Food Packaging Improvement, purifies, Environmental Remediation with Nanomaterials>
+<Graphene Production, visualizes, Molecular Self_Assembly>
+<Molecular Self_Assembly, connectedTo, Nanomaterial Synthesis>
+<Nanocomposites, engineers, Graphene Production>
+<Nanoelectronics, connectedTo, Public Perception of Nanotechnology>
+<Nanomaterial Synthesis, connectedTo, Energy Storage Applications>
+<Nanomaterial Synthesis, connectedTo, Environmental Remediation with Nanomaterials>
+<Nanosensors, converts, Food Packaging Improvement>
+<Public Perception of Nanotechnology, connectedTo, Nanosensors>
diff --git a/test/mermaid/easy/mermaid_162.txt b/test/mermaid/easy/mermaid_162.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0d786eb7a0d8a5abee2402d1201ddbe8270f77ee
--- /dev/null
+++ b/test/mermaid/easy/mermaid_162.txt
@@ -0,0 +1,8 @@
+<Food Packaging Improvement, connectedTo, Quantum Computing Integration>
+<Lab_on_a_Chip Devices, connectedTo, Solar Cell Efficiency Enhancement>
+<Nanoparticle Characterization, yes, Food Packaging Improvement>
+<Quantum Computing Integration, connectedTo, Risk Assessment of Nanomaterials>
+<Quantum Computing Integration, no, Nanoparticle Characterization>
+<Risk Assessment of Nanomaterials, no, end>
+<Solar Cell Efficiency Enhancement, no, Nanoparticle Characterization>
+<start, connectedTo, Lab_on_a_Chip Devices>
diff --git a/test/mermaid/easy/mermaid_163.mmd b/test/mermaid/easy/mermaid_163.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..8cd4897bf2588485c83febadf8fd6e1c9f10330f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_163.mmd
@@ -0,0 +1,26 @@
+graph BT
+    N0([start])
+    N1{Financial Modeling with Quantum Computing}
+    N2[[Decoherence Mitigation]]
+    N3[Quantum Simulation]
+    N4[/Quantum Software Development Kit/]
+    N5([Quantum Computing in Drug Discovery])
+    N6[(Quantum Hardware Control)]
+    N7([end])
+    N0 --> |no| N1
+    N1 --> |no| N2
+    N2 --> |yes| N3
+    N3 --> N4
+    N4 -.-> |yes| N5
+    N5 -.-> |yes| N6
+    N6 --> N7
+    N1 --> N4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A188DB,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_163.txt b/test/mermaid/easy/mermaid_163.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e67d64a651ffa9ca7acaf13c7923e2c30d1968a1
--- /dev/null
+++ b/test/mermaid/easy/mermaid_163.txt
@@ -0,0 +1,8 @@
+<Decoherence Mitigation, yes, Quantum Simulation>
+<Financial Modeling with Quantum Computing, connectedTo, Quantum Software Development Kit>
+<Financial Modeling with Quantum Computing, no, Decoherence Mitigation>
+<Quantum Computing in Drug Discovery, yes, Quantum Hardware Control>
+<Quantum Hardware Control, connectedTo, end>
+<Quantum Simulation, connectedTo, Quantum Software Development Kit>
+<Quantum Software Development Kit, yes, Quantum Computing in Drug Discovery>
+<start, no, Financial Modeling with Quantum Computing>
diff --git a/test/mermaid/easy/mermaid_164.mmd b/test/mermaid/easy/mermaid_164.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..7a9a0be68859e8dc969c71c821e6d79eafafc1cd
--- /dev/null
+++ b/test/mermaid/easy/mermaid_164.mmd
@@ -0,0 +1,40 @@
+graph BT
+    N0([Quantum Programming Languages])
+    N1(Photonic Qubits)
+    N2{Quantum Computing in Drug Discovery}
+    N3{Microwave Control for Qubits}
+    N4[Superconducting Qubits]
+    N5([Quantum Network Development])
+    N6[/Quantum Simulation/]
+    N7(Quantum Annealing)
+    N8([Quantum Bit Design])
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> |encrypts| N4
+    N4 -.-> |educates| N5
+    N5 -.-> |applies| N6
+    N6 --> N7
+    N7 --> |designs| N8
+    N1 --> N3
+    N2 --> |builds| N0
+    style N0 fill:#F0F0F0,stroke:#D2D2D2
+    style N1 fill:#FFFDE7,stroke:#FBC02D
+    style N2 fill:#FFFDE7,stroke:#FBC02D
+    style N3 fill:#F0F0F0,stroke:#D2D2D2
+    style N4 fill:#C5CAE9,stroke:#3F51B5
+    style N5 fill:#FFFDE7,stroke:#FBC02D
+    style N6 fill:#FFFDE7,stroke:#FBC02D
+    style N7 fill:#C5CAE9,stroke:#3F51B5
+    style N8 fill:#FFFDE7,stroke:#FBC02D
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#3F51B5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_164.txt b/test/mermaid/easy/mermaid_164.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8e5ea89fa8485ebefa4774b3ed83157f7ba89fcf
--- /dev/null
+++ b/test/mermaid/easy/mermaid_164.txt
@@ -0,0 +1,10 @@
+<Microwave Control for Qubits, encrypts, Superconducting Qubits>
+<Photonic Qubits, connectedTo, Microwave Control for Qubits>
+<Photonic Qubits, connectedTo, Quantum Computing in Drug Discovery>
+<Quantum Annealing, designs, Quantum Bit Design>
+<Quantum Computing in Drug Discovery, builds, Quantum Programming Languages>
+<Quantum Computing in Drug Discovery, connectedTo, Microwave Control for Qubits>
+<Quantum Network Development, applies, Quantum Simulation>
+<Quantum Programming Languages, connectedTo, Photonic Qubits>
+<Quantum Simulation, connectedTo, Quantum Annealing>
+<Superconducting Qubits, educates, Quantum Network Development>
diff --git a/test/mermaid/easy/mermaid_166.txt b/test/mermaid/easy/mermaid_166.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f6866c63cbda70a62dac5f19198bfd576b2b70b0
--- /dev/null
+++ b/test/mermaid/easy/mermaid_166.txt
@@ -0,0 +1,9 @@
+<Augmented Reality App Development, connectedTo, Latency Reduction>
+<Data Visualization in AR or VR, connectedTo, Educational Content Development>
+<Data Visualization in AR or VR, yes, Virtual Tourism Experiences>
+<Educational Content Development, yes, Ethical Considerations in AR or VR>
+<Ethical Considerations in AR or VR, yes, Data Visualization in AR or VR>
+<Ethical Considerations in AR or VR, yes, Virtual Tourism Experiences>
+<Latency Reduction, connectedTo, end>
+<Virtual Tourism Experiences, yes, Augmented Reality App Development>
+<start, connectedTo, Educational Content Development>
diff --git a/test/mermaid/easy/mermaid_167.mmd b/test/mermaid/easy/mermaid_167.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..26f89d88868f5e118fd9983dac9ae475acaf475e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_167.mmd
@@ -0,0 +1,32 @@
+graph LR
+    N0([start])
+    N1(Latency Reduction)
+    N2{Content Creation for AR or VR}
+    N3[(Architectural Visualization)]
+    N4[Industrial Maintenance Support]
+    N5[[3D Model Creation]]
+    N6[/Cloud_based AR or VR Rendering/]
+    N7[(Wearable AR Devices)]
+    N8{User Interface Design}
+    N9([end])
+    N0 -.-> |yes| N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> |yes| N5
+    N5 -.-> |no| N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> |no| N9
+    N8 -.-> |yes| N6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#03A9F4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_167.txt b/test/mermaid/easy/mermaid_167.txt
new file mode 100644
index 0000000000000000000000000000000000000000..356f8d7fb57ecf0167796070ce49a29bd8103f37
--- /dev/null
+++ b/test/mermaid/easy/mermaid_167.txt
@@ -0,0 +1,10 @@
+<3D Model Creation, no, Cloud_based AR or VR Rendering>
+<Architectural Visualization, connectedTo, Industrial Maintenance Support>
+<Cloud_based AR or VR Rendering, connectedTo, Wearable AR Devices>
+<Content Creation for AR or VR, connectedTo, Architectural Visualization>
+<Industrial Maintenance Support, yes, 3D Model Creation>
+<Latency Reduction, connectedTo, Content Creation for AR or VR>
+<User Interface Design, no, end>
+<User Interface Design, yes, Cloud_based AR or VR Rendering>
+<Wearable AR Devices, connectedTo, User Interface Design>
+<start, yes, Latency Reduction>
diff --git a/test/mermaid/easy/mermaid_169.mmd b/test/mermaid/easy/mermaid_169.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c5047be4d8c92a6dbf1458d63838525f93a72624
--- /dev/null
+++ b/test/mermaid/easy/mermaid_169.mmd
@@ -0,0 +1,31 @@
+graph RL
+    N0([start])
+    N1(Motion Capture)
+    N2{Level Design}
+    N3(Game Publishing)
+    N4{Game Design}
+    N5(Asset Creation)
+    N6[[Mobile Game Development]]
+    N7[/In_Game Economy Design/]
+    N8([end])
+    N0 -.-> |yes| N1
+    N1 -.-> |yes| N2
+    N2 -.-> N3
+    N3 --> |no| N4
+    N4 -.-> |no| N5
+    N5 -.-> N6
+    N6 -.-> |no| N7
+    N7 --> |no| N8
+    N6 --> N8
+    N6 -.-> N4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFC2C2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_17.mmd b/test/mermaid/easy/mermaid_17.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5aa47ea2e9d63c664f42c84eeb2190e6b5830000
--- /dev/null
+++ b/test/mermaid/easy/mermaid_17.mmd
@@ -0,0 +1,52 @@
+graph RL
+    N0([start])
+    N1[Train Dispatch]
+    N2[/Ticket Purchase/]
+    N3[/Platform Assignment/]
+    N4[[Traffic Monitoring]]
+    N5[(Delay Alert)]
+    N6[/Fueling/]
+    N7[[Load Balancing]]
+    N8[(Parking Management)]
+    N9[Maintenance Check]
+    N10[/Bridge Inspection/]
+    N11([Ride_sharing Request])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> |repairs| N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 --> |communicates| N7
+    N7 -.-> N8
+    N8 -.-> |maintains| N9
+    N9 -.-> N10
+    N10 --> |reports| N11
+    N5 --> N1
+    N9 --> |regulates| N11
+    style N0 fill:#FFEBEB,stroke:#FFC2C2
+    style N1 fill:#F2E6F5,stroke:#CB9BE1
+    style N2 fill:#FFEBEB,stroke:#FFC2C2
+    style N3 fill:#FFEBEB,stroke:#FFC2C2
+    style N4 fill:#F2E6F5,stroke:#CB9BE1
+    style N5 fill:#FFEBEB,stroke:#FFC2C2
+    style N6 fill:#FFEBEB,stroke:#FFC2C2
+    style N7 fill:#FCE4EC,stroke:#E91E63
+    style N8 fill:#FFEBEB,stroke:#FFC2C2
+    style N9 fill:#FFEBEB,stroke:#FFC2C2
+    style N10 fill:#FCE4EC,stroke:#E91E63
+    style N11 fill:#F2E6F5,stroke:#CB9BE1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#E91E63,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_170.mmd b/test/mermaid/easy/mermaid_170.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..7fdd91342e96700d869219b062e88653ba2cc7dd
--- /dev/null
+++ b/test/mermaid/easy/mermaid_170.mmd
@@ -0,0 +1,44 @@
+graph TD
+    N0([Narrative Design])
+    N1[/Virtual Reality Gaming/]
+    N2([Asset Creation])
+    N3(Physics Simulation)
+    N4[/PC Game Development/]
+    N5{Community Management}
+    N6(Network Code Optimization)
+    N7[[Engine Development]]
+    N8[(Augmented Reality Gaming)]
+    N9([Console Game Development])
+    N0 -.-> N1
+    N1 -.-> |sponsors| N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> |balances| N5
+    N5 --> |broadcasts| N6
+    N6 --> |analyzes| N7
+    N7 --> N8
+    N8 --> N9
+    N5 -.-> |updates| N9
+    N7 --> |plays| N5
+    style N0 fill:#C9F0F0,stroke:#4DD0E1
+    style N1 fill:#F3E5F5,stroke:#AB47BC
+    style N2 fill:#C9F0F0,stroke:#4DD0E1
+    style N3 fill:#F3E5F5,stroke:#AB47BC
+    style N4 fill:#FFE88D,stroke:#FFDA4E
+    style N5 fill:#F3E5F5,stroke:#AB47BC
+    style N6 fill:#F3E5F5,stroke:#AB47BC
+    style N7 fill:#FFE88D,stroke:#FFDA4E
+    style N8 fill:#C9F0F0,stroke:#4DD0E1
+    style N9 fill:#C9F0F0,stroke:#4DD0E1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFDA4E,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_172.mmd b/test/mermaid/easy/mermaid_172.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ff999c4b2c3690ac582673aebb1c327b94a9c6fd
--- /dev/null
+++ b/test/mermaid/easy/mermaid_172.mmd
@@ -0,0 +1,38 @@
+graph RL
+    N0([start])
+    N1[/Music Publishing/]
+    N2[(Sound Design for Media)]
+    N3(Composition)
+    N4{Live Sound Engineering}
+    N5[[Streaming Platform Management]]
+    N6[[Mastering]]
+    N7(A&R)
+    N8([Performance])
+    N0 --> |scores| N1
+    N1 --> N2
+    N2 --> |therapies| N3
+    N3 --> |promotes| N4
+    N4 -.-> |protects| N5
+    N5 -.-> |synthesizes| N6
+    N6 --> N7
+    N7 --> |invests| N8
+    N7 -.-> N3
+    style N0 fill:#E8F0FF,stroke:#A2D0FF
+    style N1 fill:#CADEDE,stroke:#94C0C0
+    style N2 fill:#FCE4EC,stroke:#F06292
+    style N3 fill:#E8F0FF,stroke:#A2D0FF
+    style N4 fill:#FCE4EC,stroke:#F06292
+    style N5 fill:#E8F0FF,stroke:#A2D0FF
+    style N6 fill:#CADEDE,stroke:#94C0C0
+    style N7 fill:#FCE4EC,stroke:#F06292
+    style N8 fill:#CADEDE,stroke:#94C0C0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#F06292,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_173.txt b/test/mermaid/easy/mermaid_173.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6569c261dc89199341002b976966758502fe3d14
--- /dev/null
+++ b/test/mermaid/easy/mermaid_173.txt
@@ -0,0 +1,9 @@
+<Audio Engineering, connectedTo, Royalty Collection>
+<Live Sound Engineering, funds, Sound System Design>
+<Mastering, connectedTo, Audio Engineering>
+<Music Theory Analysis, manages, Live Sound Engineering>
+<Music Theory Analysis, performs, Music Video Production>
+<Music Video Production, engineers, Sound Design for Media>
+<Royalty Collection, produces, Live Sound Engineering>
+<Sound Design for Media, connectedTo, Mastering>
+<start, connectedTo, Music Theory Analysis>
diff --git a/test/mermaid/easy/mermaid_174.mmd b/test/mermaid/easy/mermaid_174.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5e0fb259a46bc7642c458d06b82d129c73fc8c65
--- /dev/null
+++ b/test/mermaid/easy/mermaid_174.mmd
@@ -0,0 +1,28 @@
+graph TD
+    N0([start])
+    N1[/A&R/]
+    N2([Music Video Production])
+    N3(Sampling)
+    N4(Composition)
+    N5[/Vocal Performance/]
+    N6(Music Production)
+    N7([end])
+    N0 -.-> |yes| N1
+    N1 -.-> |no| N2
+    N2 --> |yes| N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> |no| N6
+    N6 -.-> N7
+    N2 --> N4
+    N3 --> |no| N6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#03A9F4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_176.mmd b/test/mermaid/easy/mermaid_176.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..86390ee4c409355e5e8923a41233543c86a3ae90
--- /dev/null
+++ b/test/mermaid/easy/mermaid_176.mmd
@@ -0,0 +1,34 @@
+graph LR
+    N0([start])
+    N1[(Editing)]
+    N2(Cinematography)
+    N3(Digital Asset Management)
+    N4[Location Scouting]
+    N5([Production Scheduling])
+    N6[/Distribution Strategy/]
+    N7[[Makeup and Hair Design]]
+    N8[(Tax Incentive Management)]
+    N9([end])
+    N0 -.-> N1
+    N1 -.-> |yes| N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> |yes| N6
+    N6 -.-> |yes| N7
+    N7 -.-> N8
+    N8 --> |no| N9
+    N1 -.-> |yes| N6
+    N1 -.-> N8
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FF5722,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_178.mmd b/test/mermaid/easy/mermaid_178.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f87620e7b4240474550c21ad09d4464869ac706d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_178.mmd
@@ -0,0 +1,40 @@
+graph BT
+    N0([Keyword Research])
+    N1[Plagiarism Checking]
+    N2{Ideation and Brainstorming}
+    N3[(Live Streaming Content)]
+    N4([User_Generated Content Curation])
+    N5(Interview Conduct)
+    N6[[Newsletter Creation]]
+    N7[/Content Management System Operation/]
+    N8([Research and Outline])
+    N0 --> |records| N1
+    N1 -.-> |creates| N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> |writes| N5
+    N5 -.-> N6
+    N6 --> |interviews| N7
+    N7 --> N8
+    N2 --> N4
+    N4 --> |distributes| N7
+    style N0 fill:#E8EAF6,stroke:#5C6BC0
+    style N1 fill:#FFE88D,stroke:#FFDA4E
+    style N2 fill:#E8EAF6,stroke:#5C6BC0
+    style N3 fill:#E8EAF6,stroke:#5C6BC0
+    style N4 fill:#E8EAF6,stroke:#5C6BC0
+    style N5 fill:#FFE88D,stroke:#FFDA4E
+    style N6 fill:#E8EAF6,stroke:#5C6BC0
+    style N7 fill:#E8EAF6,stroke:#5C6BC0
+    style N8 fill:#F1F8E9,stroke:#388E3C
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#5C6BC0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_179.txt b/test/mermaid/easy/mermaid_179.txt
new file mode 100644
index 0000000000000000000000000000000000000000..89878961f2d3e777d7302a684bdf6dd9577fe69d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_179.txt
@@ -0,0 +1,9 @@
+<Blog Post Writing, connectedTo, Photography>
+<Content Localization, connectedTo, end>
+<Drafting Content, yes, Publishing>
+<Drafting Content, yes, start>
+<Photography, connectedTo, Search Engine Optimization>
+<Publishing, connectedTo, Blog Post Writing>
+<Publishing, connectedTo, Search Engine Optimization>
+<Search Engine Optimization, no, Content Localization>
+<start, no, Drafting Content>
diff --git a/test/mermaid/easy/mermaid_18.mmd b/test/mermaid/easy/mermaid_18.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..81b5f024a9cd77d5ddb8ba147a8570a4252d5f0b
--- /dev/null
+++ b/test/mermaid/easy/mermaid_18.mmd
@@ -0,0 +1,48 @@
+graph TD
+    N0([start])
+    N1[Arrival]
+    N2(Maintenance Check)
+    N3[Security Check]
+    N4[Road Network Management]
+    N5[/Navigation Update/]
+    N6[Weather Impact Assessment]
+    N7[Cargo Loading]
+    N8[[Customs Clearance]]
+    N9(Ticket Purchase)
+    N10([Driver Allocation])
+    N0 --> N1
+    N1 --> |books| N2
+    N2 --> |licenses| N3
+    N3 -.-> |optimizes| N4
+    N4 -.-> |navigates| N5
+    N5 --> N6
+    N6 -.-> |plans| N7
+    N7 -.-> N8
+    N8 -.-> |inspects| N9
+    N9 -.-> N10
+    N7 -.-> N4
+    N8 --> |monitors| N7
+    style N0 fill:#F3E5F5,stroke:#AB47BC
+    style N1 fill:#EDF5F3,stroke:#A1D7CD
+    style N2 fill:#EDF5F3,stroke:#A1D7CD
+    style N3 fill:#C8E6C9,stroke:#4CAF50
+    style N4 fill:#C8E6C9,stroke:#4CAF50
+    style N5 fill:#C8E6C9,stroke:#4CAF50
+    style N6 fill:#EDF5F3,stroke:#A1D7CD
+    style N7 fill:#F3E5F5,stroke:#AB47BC
+    style N8 fill:#F3E5F5,stroke:#AB47BC
+    style N9 fill:#C8E6C9,stroke:#4CAF50
+    style N10 fill:#C8E6C9,stroke:#4CAF50
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#AB47BC,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_18.txt b/test/mermaid/easy/mermaid_18.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0eaeacce586d9b08d0dc50d69e328d938f112398
--- /dev/null
+++ b/test/mermaid/easy/mermaid_18.txt
@@ -0,0 +1,12 @@
+<Arrival, books, Maintenance Check>
+<Cargo Loading, connectedTo, Customs Clearance>
+<Cargo Loading, connectedTo, Road Network Management>
+<Customs Clearance, inspects, Ticket Purchase>
+<Customs Clearance, monitors, Cargo Loading>
+<Maintenance Check, licenses, Security Check>
+<Navigation Update, connectedTo, Weather Impact Assessment>
+<Road Network Management, navigates, Navigation Update>
+<Security Check, optimizes, Road Network Management>
+<Ticket Purchase, connectedTo, Driver Allocation>
+<Weather Impact Assessment, plans, Cargo Loading>
+<start, connectedTo, Arrival>
diff --git a/test/mermaid/easy/mermaid_180.mmd b/test/mermaid/easy/mermaid_180.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f4a206dba574dbead66ebe176e8e918ccd776503
--- /dev/null
+++ b/test/mermaid/easy/mermaid_180.mmd
@@ -0,0 +1,40 @@
+graph RL
+    N0([start])
+    N1[Branding]
+    N2[Podcast Production]
+    N3[/Interview Conduct/]
+    N4[/Webinar Hosting/]
+    N5([Blog Post Writing])
+    N6(Content Management System Operation)
+    N7[(Plagiarism Checking)]
+    N8([end])
+    N0 --> N1
+    N1 --> |streams| N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> |edits| N5
+    N5 -.-> |films| N6
+    N6 --> N7
+    N7 --> |moderates| N8
+    N1 -.-> |videos| N7
+    N6 --> N0
+    style N0 fill:#FFEBEE,stroke:#E57373
+    style N1 fill:#F6F6F6,stroke:#CFCFCF
+    style N2 fill:#F6F6F6,stroke:#CFCFCF
+    style N3 fill:#F8BBD0,stroke:#E91E63
+    style N4 fill:#F6F6F6,stroke:#CFCFCF
+    style N5 fill:#F8BBD0,stroke:#E91E63
+    style N6 fill:#F8BBD0,stroke:#E91E63
+    style N7 fill:#F6F6F6,stroke:#CFCFCF
+    style N8 fill:#F8BBD0,stroke:#E91E63
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_181.txt b/test/mermaid/easy/mermaid_181.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2109c2ea2419f4476091bce2e6f2698248f6f05d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_181.txt
@@ -0,0 +1,10 @@
+<Data Security Best Practices, cleans, Time Series Forecasting>
+<Data Storytelling, connectedTo, Financial Data Analysis>
+<Data Transformation, connectedTo, HR Data Analytics>
+<Financial Data Analysis, processes, Data Security Best Practices>
+<Geospatial Analysis, analyzes, Operational Efficiency Metrics>
+<HR Data Analytics, pipelines, Geospatial Analysis>
+<Operational Efficiency Metrics, connectedTo, Data Storytelling>
+<Prescriptive Analytics, connectedTo, Sentiment Analysis>
+<Time Series Forecasting, collects, HR Data Analytics>
+<Time Series Forecasting, validates, Prescriptive Analytics>
diff --git a/test/mermaid/easy/mermaid_182.mmd b/test/mermaid/easy/mermaid_182.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c6caf07fc42896d988fc9645e363edfaa1580f27
--- /dev/null
+++ b/test/mermaid/easy/mermaid_182.mmd
@@ -0,0 +1,36 @@
+graph BT
+    N0([start])
+    N1[/Time Series Forecasting/]
+    N2(Data Mining)
+    N3[Data Governance]
+    N4([Statistical Modeling])
+    N5[(Risk Analytics)]
+    N6[/Marketing Campaign Analysis/]
+    N7([end])
+    N0 --> |educates| N1
+    N1 -.-> |prepares| N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N1 --> |accesses| N4
+    N7 --> |mines| N0
+    style N0 fill:#FFCDD2,stroke:#F44336
+    style N1 fill:#FCE4EC,stroke:#E91E63
+    style N2 fill:#FFCDD2,stroke:#F44336
+    style N3 fill:#FFECB3,stroke:#FFC107
+    style N4 fill:#FFCDD2,stroke:#F44336
+    style N5 fill:#FFCDD2,stroke:#F44336
+    style N6 fill:#FFECB3,stroke:#FFC107
+    style N7 fill:#FCE4EC,stroke:#E91E63
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFC107,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_183.mmd b/test/mermaid/easy/mermaid_183.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..664a8fd5960ddd7726d34f7fc121b231a8383502
--- /dev/null
+++ b/test/mermaid/easy/mermaid_183.mmd
@@ -0,0 +1,40 @@
+graph RL
+    N0([A or B Testing Analysis])
+    N1(Social Media Analytics)
+    N2(Data Pipeline Development)
+    N3{Exploratory Data Analysis}
+    N4[/Sentiment Analysis/]
+    N5{Report Generation}
+    N6{Time Series Forecasting}
+    N7[Financial Data Analysis]
+    N8([Data Governance])
+    N0 --> N1
+    N1 --> |audits| N2
+    N2 -.-> |communicates| N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> |extracts| N6
+    N6 -.-> |educates| N7
+    N7 -.-> N8
+    N3 -.-> N7
+    N4 -.-> |shares| N6
+    style N0 fill:#F5F5DC,stroke:#BCB88A
+    style N1 fill:#F5F5DC,stroke:#BCB88A
+    style N2 fill:#FFEBEE,stroke:#E57373
+    style N3 fill:#FFEBEE,stroke:#E57373
+    style N4 fill:#F1F8E9,stroke:#81C784
+    style N5 fill:#FFEBEE,stroke:#E57373
+    style N6 fill:#FFEBEE,stroke:#E57373
+    style N7 fill:#FFEBEE,stroke:#E57373
+    style N8 fill:#FFEBEE,stroke:#E57373
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#81C784,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_183.txt b/test/mermaid/easy/mermaid_183.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c0c53fc5c63554c947768de0b04da7f5e9a4c1ff
--- /dev/null
+++ b/test/mermaid/easy/mermaid_183.txt
@@ -0,0 +1,10 @@
+<A or B Testing Analysis, connectedTo, Social Media Analytics>
+<Data Pipeline Development, communicates, Exploratory Data Analysis>
+<Exploratory Data Analysis, connectedTo, Financial Data Analysis>
+<Exploratory Data Analysis, connectedTo, Sentiment Analysis>
+<Financial Data Analysis, connectedTo, Data Governance>
+<Report Generation, extracts, Time Series Forecasting>
+<Sentiment Analysis, connectedTo, Report Generation>
+<Sentiment Analysis, shares, Time Series Forecasting>
+<Social Media Analytics, audits, Data Pipeline Development>
+<Time Series Forecasting, educates, Financial Data Analysis>
diff --git a/test/mermaid/easy/mermaid_184.txt b/test/mermaid/easy/mermaid_184.txt
new file mode 100644
index 0000000000000000000000000000000000000000..616d79dd86875bf71fb056f31ad106fcc4691971
--- /dev/null
+++ b/test/mermaid/easy/mermaid_184.txt
@@ -0,0 +1,10 @@
+<Data Mart Design, secures, Data Warehousing>
+<Data Warehousing, manages, Mobile BI Development>
+<Data Warehousing, optimizes, Strategic Planning Support>
+<ETL Development, connectedTo, KPI Definition>
+<Financial Performance Reporting, connectedTo, Master Data Management>
+<Financial Performance Reporting, recommends, Strategic Planning Support>
+<KPI Definition, connectedTo, Master Data Management>
+<Master Data Management, compares, Financial Performance Reporting>
+<Mobile BI Development, reports, ETL Development>
+<Strategic Planning Support, integrates, end>
diff --git a/test/mermaid/easy/mermaid_186.txt b/test/mermaid/easy/mermaid_186.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0f923fd015068da2654aeb57e93d3c269ea4b6bd
--- /dev/null
+++ b/test/mermaid/easy/mermaid_186.txt
@@ -0,0 +1,10 @@
+<Actionable Insights Generation, connectedTo, Data Modeling>
+<Dashboard Design, optimizes, Embedded Analytics>
+<Data Mart Design, connectedTo, Data Warehousing>
+<Data Modeling, connectedTo, Self_Service BI Tools>
+<Data Storytelling for Business, connectedTo, Actionable Insights Generation>
+<Data Warehousing, connectedTo, Data Storytelling for Business>
+<Data Warehousing, models, end>
+<Embedded Analytics, connectedTo, Data Mart Design>
+<Mobile BI Development, visualizes, end>
+<Self_Service BI Tools, defines, Mobile BI Development>
diff --git a/test/mermaid/easy/mermaid_187.mmd b/test/mermaid/easy/mermaid_187.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..7ad501f1ab769f367bc57464c0ba346f1cb2e730
--- /dev/null
+++ b/test/mermaid/easy/mermaid_187.mmd
@@ -0,0 +1,42 @@
+graph RL
+    N0([start])
+    N1([Customer Segmentation])
+    N2[Remarketing Campaigns]
+    N3[Brand Reputation Management]
+    N4(Influencer Marketing)
+    N5[(Personalization Strategies)]
+    N6[[Conversion Rate Optimization]]
+    N7(Guerilla Marketing)
+    N8(Search Engine Optimization)
+    N9([end])
+    N0 -.-> N1
+    N1 --> |forms partnerships| N2
+    N2 --> N3
+    N3 -.-> |manages budgets| N4
+    N4 --> |distributes products| N5
+    N5 --> N6
+    N6 -.-> |mobile marketing| N7
+    N7 -.-> |brands| N8
+    N8 -.-> N9
+    N0 -.-> |sets prices| N9
+    style N0 fill:#ECCFF5,stroke:#CD8FF2
+    style N1 fill:#ECCFF5,stroke:#CD8FF2
+    style N2 fill:#E8F0FF,stroke:#A2D0FF
+    style N3 fill:#E8F0FF,stroke:#A2D0FF
+    style N4 fill:#FFCDD2,stroke:#F44336
+    style N5 fill:#E8F0FF,stroke:#A2D0FF
+    style N6 fill:#ECCFF5,stroke:#CD8FF2
+    style N7 fill:#E8F0FF,stroke:#A2D0FF
+    style N8 fill:#FFCDD2,stroke:#F44336
+    style N9 fill:#E8F0FF,stroke:#A2D0FF
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#CD8FF2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_188.mmd b/test/mermaid/easy/mermaid_188.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..be027da216c6f6030c529c648b420df4758a81ca
--- /dev/null
+++ b/test/mermaid/easy/mermaid_188.mmd
@@ -0,0 +1,26 @@
+graph RL
+    N0([start])
+    N1[Promotional Campaigns]
+    N2[Event Marketing]
+    N3(Remarketing Campaigns)
+    N4([A or B Testing for Marketing])
+    N5[[Public Relations]]
+    N6[(Partnership Marketing)]
+    N7([end])
+    N0 -.-> N1
+    N1 -.-> |no| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> |no| N5
+    N5 --> |no| N6
+    N6 --> N7
+    N4 -.-> |no| N6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_188.txt b/test/mermaid/easy/mermaid_188.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ab0a3fbe686acc41da00c816ae5dead3702d48b7
--- /dev/null
+++ b/test/mermaid/easy/mermaid_188.txt
@@ -0,0 +1,8 @@
+<A or B Testing for Marketing, no, Partnership Marketing>
+<A or B Testing for Marketing, no, Public Relations>
+<Event Marketing, connectedTo, Remarketing Campaigns>
+<Partnership Marketing, connectedTo, end>
+<Promotional Campaigns, no, Event Marketing>
+<Public Relations, no, Partnership Marketing>
+<Remarketing Campaigns, connectedTo, A or B Testing for Marketing>
+<start, connectedTo, Promotional Campaigns>
diff --git a/test/mermaid/easy/mermaid_189.mmd b/test/mermaid/easy/mermaid_189.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..2d14e9ba64ebc2f16c34a819d1d23b5015f56a97
--- /dev/null
+++ b/test/mermaid/easy/mermaid_189.mmd
@@ -0,0 +1,42 @@
+graph TD
+    N0([start])
+    N1(Distribution Channel Management)
+    N2{Search Engine Marketing}
+    N3[Event Marketing]
+    N4[/Promotional Campaigns/]
+    N5(Experiential Marketing)
+    N6{Competitive Analysis}
+    N7[(Loyalty Programs)]
+    N8[(Customer Segmentation)]
+    N9([Pricing Strategy])
+    N0 --> N1
+    N1 -.-> |video marketing| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> |creates content| N5
+    N5 -.-> |optimizes conversions| N6
+    N6 -.-> N7
+    N7 --> |generates leads| N8
+    N8 --> N9
+    N7 --> N4
+    style N0 fill:#C8E6C9,stroke:#4CAF50
+    style N1 fill:#FFFDE7,stroke:#FFF176
+    style N2 fill:#C8E6C9,stroke:#4CAF50
+    style N3 fill:#C8E6C9,stroke:#4CAF50
+    style N4 fill:#FFFDE7,stroke:#FFF176
+    style N5 fill:#C8E6C9,stroke:#4CAF50
+    style N6 fill:#F0F4C3,stroke:#AED581
+    style N7 fill:#FFFDE7,stroke:#FFF176
+    style N8 fill:#C8E6C9,stroke:#4CAF50
+    style N9 fill:#FFFDE7,stroke:#FFF176
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4CAF50,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_189.txt b/test/mermaid/easy/mermaid_189.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c6c68d08d4e834f9c129b59a3048e8e8cf600912
--- /dev/null
+++ b/test/mermaid/easy/mermaid_189.txt
@@ -0,0 +1,10 @@
+<Competitive Analysis, connectedTo, Loyalty Programs>
+<Customer Segmentation, connectedTo, Pricing Strategy>
+<Distribution Channel Management, video marketing, Search Engine Marketing>
+<Event Marketing, connectedTo, Promotional Campaigns>
+<Experiential Marketing, optimizes conversions, Competitive Analysis>
+<Loyalty Programs, connectedTo, Promotional Campaigns>
+<Loyalty Programs, generates leads, Customer Segmentation>
+<Promotional Campaigns, creates content, Experiential Marketing>
+<Search Engine Marketing, connectedTo, Event Marketing>
+<start, connectedTo, Distribution Channel Management>
diff --git a/test/mermaid/easy/mermaid_19.mmd b/test/mermaid/easy/mermaid_19.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..47028abe24e164dfff1f3f12cda26d411449e85a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_19.mmd
@@ -0,0 +1,48 @@
+graph TD
+    N0([Geothermal Power])
+    N1{Power Plant}
+    N2{Transformer Station}
+    N3([Smart Metering])
+    N4[Solar Panel Installation]
+    N5[[Grid Modernization]]
+    N6[/Transmission Line Maintenance/]
+    N7[Oil and Gas Exploration]
+    N8(Outage Detection)
+    N9[[Energy Efficiency Audit]]
+    N10([Generator Check])
+    N0 --> N1
+    N1 -.-> |measures| N2
+    N2 --> |backs up| N3
+    N3 -.-> |generates| N4
+    N4 -.-> |licenses| N5
+    N5 --> N6
+    N6 -.-> |monitors| N7
+    N7 -.-> |predicts| N8
+    N8 -.-> |consumes| N9
+    N9 --> N10
+    N6 --> N5
+    N7 -.-> |transmits| N6
+    style N0 fill:#E4E0DF,stroke:#BDAFA8
+    style N1 fill:#F8BBD0,stroke:#E91E63
+    style N2 fill:#F5F5DC,stroke:#BCB88A
+    style N3 fill:#E4E0DF,stroke:#BDAFA8
+    style N4 fill:#E4E0DF,stroke:#BDAFA8
+    style N5 fill:#F8BBD0,stroke:#E91E63
+    style N6 fill:#E4E0DF,stroke:#BDAFA8
+    style N7 fill:#F8BBD0,stroke:#E91E63
+    style N8 fill:#E4E0DF,stroke:#BDAFA8
+    style N9 fill:#F8BBD0,stroke:#E91E63
+    style N10 fill:#F5F5DC,stroke:#BCB88A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#BCB88A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_19.txt b/test/mermaid/easy/mermaid_19.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4377a943c76f9e1714eeb909c29bc027c25b93f6
--- /dev/null
+++ b/test/mermaid/easy/mermaid_19.txt
@@ -0,0 +1,12 @@
+<Energy Efficiency Audit, connectedTo, Generator Check>
+<Geothermal Power, connectedTo, Power Plant>
+<Grid Modernization, connectedTo, Transmission Line Maintenance>
+<Oil and Gas Exploration, predicts, Outage Detection>
+<Oil and Gas Exploration, transmits, Transmission Line Maintenance>
+<Outage Detection, consumes, Energy Efficiency Audit>
+<Power Plant, measures, Transformer Station>
+<Smart Metering, generates, Solar Panel Installation>
+<Solar Panel Installation, licenses, Grid Modernization>
+<Transformer Station, backs up, Smart Metering>
+<Transmission Line Maintenance, connectedTo, Grid Modernization>
+<Transmission Line Maintenance, monitors, Oil and Gas Exploration>
diff --git a/test/mermaid/easy/mermaid_190.mmd b/test/mermaid/easy/mermaid_190.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d7aed75156e082bddccab379266310884502cf45
--- /dev/null
+++ b/test/mermaid/easy/mermaid_190.mmd
@@ -0,0 +1,35 @@
+graph RL
+    N0([start])
+    N1[/Audience Segmentation for Ads/]
+    N2[Outdoor Advertising]
+    N3[[Ad Platform Management]]
+    N4{Budget Management}
+    N5([Geo_Targeting])
+    N6[[Ad Analytics Reporting]]
+    N7[/Ad Placement Optimization/]
+    N8[[Competitor Ad Analysis]]
+    N9([Social Media Ads])
+    N10([end])
+    N0 -.-> |yes| N1
+    N1 --> |yes| N2
+    N2 -.-> |yes| N3
+    N3 --> |no| N4
+    N4 --> |yes| N5
+    N5 --> |yes| N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> |no| N10
+    N0 --> N7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_191.txt b/test/mermaid/easy/mermaid_191.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7a05a5b3f2c4aaf26f6b261cb154f6d1d5d4dd23
--- /dev/null
+++ b/test/mermaid/easy/mermaid_191.txt
@@ -0,0 +1,12 @@
+<Ad Copywriting, drives conversions, Ad Platform Management>
+<Ad Creative Development, connectedTo, Ad Copywriting>
+<Ad Creative Development, connectedTo, Visual Design for Ads>
+<Ad Platform Management, connectedTo, Competitor Ad Analysis>
+<Digital Advertising, connectedTo, Social Media Ads>
+<Digital Advertising, designs interactive ads, Media Buying>
+<Media Buying, selects platforms, Ad Creative Development>
+<Programmatic Advertising, connectedTo, Digital Advertising>
+<Psychographic Targeting, implements retargeting, Social Media Ads>
+<Social Media Ads, digital advertising, Programmatic Advertising>
+<Visual Design for Ads, connectedTo, Ad Copywriting>
+<start, connectedTo, Psychographic Targeting>
diff --git a/test/mermaid/easy/mermaid_192.mmd b/test/mermaid/easy/mermaid_192.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..41a6287e38908c7c02f5024606792f5d21ae9b2e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_192.mmd
@@ -0,0 +1,40 @@
+graph RL
+    N0([start])
+    N1([Brand Awareness Campaigns])
+    N2[(Campaign Planning)]
+    N3{Interactive Ad Formats}
+    N4[Ad Analytics Reporting]
+    N5[/Audience Segmentation for Ads/]
+    N6(Competitor Ad Analysis)
+    N7[[Native Advertising]]
+    N8[Television Advertising]
+    N9[(Audience Targeting)]
+    N10[(Ad Placement Optimization)]
+    N11([end])
+    N0 --> N1
+    N1 -.-> |no| N2
+    N2 --> |no| N3
+    N3 --> N4
+    N4 -.-> |no| N5
+    N5 -.-> N6
+    N6 --> |yes| N7
+    N7 -.-> |yes| N8
+    N8 --> |yes| N9
+    N9 --> |yes| N10
+    N10 --> N11
+    N9 --> |yes| N11
+    N0 -.-> |no| N7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_193.mmd b/test/mermaid/easy/mermaid_193.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..46c1cd7c4916c18a4f532eb3c29a7863f36dff5b
--- /dev/null
+++ b/test/mermaid/easy/mermaid_193.mmd
@@ -0,0 +1,26 @@
+graph LR
+    N0([start])
+    N1{Security Auditing for Blockchains}
+    N2(Interoperability Solutions)
+    N3(Oracles Integration)
+    N4[/Financial Asset Tokenization/]
+    N5[Real Estate Tokenization]
+    N6[(Consortium Blockchain Setup)]
+    N7([end])
+    N0 -.-> |no| N1
+    N1 -.-> |no| N2
+    N2 --> N3
+    N3 --> |no| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> |no| N7
+    N2 -.-> N7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_193.txt b/test/mermaid/easy/mermaid_193.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3e5c8afbae850f5222d8a0263216d1eb09fd5ee0
--- /dev/null
+++ b/test/mermaid/easy/mermaid_193.txt
@@ -0,0 +1,8 @@
+<Consortium Blockchain Setup, no, end>
+<Financial Asset Tokenization, connectedTo, Real Estate Tokenization>
+<Interoperability Solutions, connectedTo, Oracles Integration>
+<Interoperability Solutions, connectedTo, end>
+<Oracles Integration, no, Financial Asset Tokenization>
+<Real Estate Tokenization, connectedTo, Consortium Blockchain Setup>
+<Security Auditing for Blockchains, no, Interoperability Solutions>
+<start, no, Security Auditing for Blockchains>
diff --git a/test/mermaid/easy/mermaid_194.mmd b/test/mermaid/easy/mermaid_194.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..27e305987c9b6a5aad745ebc19cc2c83b56422fb
--- /dev/null
+++ b/test/mermaid/easy/mermaid_194.mmd
@@ -0,0 +1,42 @@
+graph BT
+    N0([Initial Coin Offerings])
+    N1([Sidechains and Layer 2 Solutions])
+    N2[(Mining Operations)]
+    N3[[Voting Systems on Blockchain]]
+    N4[(Tokenomics Design)]
+    N5(Supply Chain Traceability)
+    N6[/Energy Trading on Blockchain/]
+    N7[Gaming on Blockchain]
+    N8[Public Blockchain Deployment]
+    N9([Financial Asset Tokenization])
+    N0 --> |integrates systems| N1
+    N1 --> |enables voting| N2
+    N2 --> |creates bridges| N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> |educates users| N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> |verifies transactions| N9
+    N5 --> N4
+    style N0 fill:#CFD8DC,stroke:#607D8B
+    style N1 fill:#F0F0F0,stroke:#D2D2D2
+    style N2 fill:#CFD8DC,stroke:#607D8B
+    style N3 fill:#B2EBF2,stroke:#00BCD4
+    style N4 fill:#F0F0F0,stroke:#D2D2D2
+    style N5 fill:#CFD8DC,stroke:#607D8B
+    style N6 fill:#F0F0F0,stroke:#D2D2D2
+    style N7 fill:#CFD8DC,stroke:#607D8B
+    style N8 fill:#F0F0F0,stroke:#D2D2D2
+    style N9 fill:#F0F0F0,stroke:#D2D2D2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#D2D2D2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_195.mmd b/test/mermaid/easy/mermaid_195.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..510785440baf1c9d6d5e2d9d1f22386be846970e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_195.mmd
@@ -0,0 +1,48 @@
+graph LR
+    N0([Smart Contract Development])
+    N1[/Regulatory Compliance for Blockchain/]
+    N2([Scalability Solutions])
+    N3[/Private Blockchain Implementation/]
+    N4[(Distributed Ledger Technology)]
+    N5[/Supply Chain Traceability/]
+    N6[Energy Trading on Blockchain]
+    N7(Consensus Mechanism Development)
+    N8{Cross_Border Payments}
+    N9(Enterprise Blockchain Solutions)
+    N10([Digital Identity Management])
+    N0 --> |distributes ledgers| N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> |governs DAOs| N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> |develops layer_2s| N10
+    N8 --> |launches STOs| N5
+    N1 -.-> |implements sharding| N7
+    style N0 fill:#E0F2F1,stroke:#4DB6AC
+    style N1 fill:#C8E6C9,stroke:#4CAF50
+    style N2 fill:#E3F2FD,stroke:#64B5F6
+    style N3 fill:#C8E6C9,stroke:#4CAF50
+    style N4 fill:#C8E6C9,stroke:#4CAF50
+    style N5 fill:#E3F2FD,stroke:#64B5F6
+    style N6 fill:#C8E6C9,stroke:#4CAF50
+    style N7 fill:#E0F2F1,stroke:#4DB6AC
+    style N8 fill:#E0F2F1,stroke:#4DB6AC
+    style N9 fill:#E3F2FD,stroke:#64B5F6
+    style N10 fill:#E0F2F1,stroke:#4DB6AC
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_195.txt b/test/mermaid/easy/mermaid_195.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0b16025ade768b88bbeba454f44d3040ea5f6e7a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_195.txt
@@ -0,0 +1,12 @@
+<Consensus Mechanism Development, connectedTo, Cross_Border Payments>
+<Cross_Border Payments, connectedTo, Enterprise Blockchain Solutions>
+<Cross_Border Payments, launches STOs, Supply Chain Traceability>
+<Distributed Ledger Technology, connectedTo, Supply Chain Traceability>
+<Energy Trading on Blockchain, connectedTo, Consensus Mechanism Development>
+<Enterprise Blockchain Solutions, develops layer_2s, Digital Identity Management>
+<Private Blockchain Implementation, connectedTo, Distributed Ledger Technology>
+<Regulatory Compliance for Blockchain, connectedTo, Scalability Solutions>
+<Regulatory Compliance for Blockchain, implements sharding, Consensus Mechanism Development>
+<Scalability Solutions, connectedTo, Private Blockchain Implementation>
+<Smart Contract Development, distributes ledgers, Regulatory Compliance for Blockchain>
+<Supply Chain Traceability, governs DAOs, Energy Trading on Blockchain>
diff --git a/test/mermaid/easy/mermaid_197.mmd b/test/mermaid/easy/mermaid_197.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c7e98f2744301fc9089dffc60f3d90172975e6f3
--- /dev/null
+++ b/test/mermaid/easy/mermaid_197.mmd
@@ -0,0 +1,48 @@
+graph RL
+    N0([Liquidity Provision])
+    N1([Token Generation Event])
+    N2[[Cryptocurrency Education]]
+    N3[KYC or AML Procedures]
+    N4(Fiat On or Off Ramps)
+    N5[/Wallet Development/]
+    N6([Yield Farming])
+    N7[Hot Wallet Security]
+    N8[/Decentralized Exchange Operation/]
+    N9[(Exchange Listing)]
+    N10([Web3 Integration])
+    N0 -.-> N1
+    N1 -.-> |lends funds| N2
+    N2 --> |creates NFTs| N3
+    N3 --> |integrates wallets| N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> |explores new chains| N8
+    N8 --> |develops exchanges| N9
+    N9 -.-> N10
+    N9 -.-> |processes transactions| N4
+    N6 --> |enables swaps| N3
+    style N0 fill:#F5F5DC,stroke:#BCB88A
+    style N1 fill:#CFD8DC,stroke:#607D8B
+    style N2 fill:#F5F5DC,stroke:#BCB88A
+    style N3 fill:#CFD8DC,stroke:#607D8B
+    style N4 fill:#CFD8DC,stroke:#607D8B
+    style N5 fill:#E0F7FA,stroke:#00BCD4
+    style N6 fill:#E0F7FA,stroke:#00BCD4
+    style N7 fill:#E0F7FA,stroke:#00BCD4
+    style N8 fill:#F5F5DC,stroke:#BCB88A
+    style N9 fill:#E0F7FA,stroke:#00BCD4
+    style N10 fill:#E0F7FA,stroke:#00BCD4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#BCB88A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_197.txt b/test/mermaid/easy/mermaid_197.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2ead7d0eadc840e9e314d1a3518539c773d54eeb
--- /dev/null
+++ b/test/mermaid/easy/mermaid_197.txt
@@ -0,0 +1,12 @@
+<Cryptocurrency Education, creates NFTs, KYC or AML Procedures>
+<Decentralized Exchange Operation, develops exchanges, Exchange Listing>
+<Exchange Listing, connectedTo, Web3 Integration>
+<Exchange Listing, processes transactions, Fiat On or Off Ramps>
+<Fiat On or Off Ramps, connectedTo, Wallet Development>
+<Hot Wallet Security, explores new chains, Decentralized Exchange Operation>
+<KYC or AML Procedures, integrates wallets, Fiat On or Off Ramps>
+<Liquidity Provision, connectedTo, Token Generation Event>
+<Token Generation Event, lends funds, Cryptocurrency Education>
+<Wallet Development, connectedTo, Yield Farming>
+<Yield Farming, connectedTo, Hot Wallet Security>
+<Yield Farming, enables swaps, KYC or AML Procedures>
diff --git a/test/mermaid/easy/mermaid_198.txt b/test/mermaid/easy/mermaid_198.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2b118ca0f6404ae1f946964e9521eb961440db4c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_198.txt
@@ -0,0 +1,8 @@
+<Blockchain Integration, connectedTo, end>
+<Cross_chain Swaps, enables swaps, Fraud Prevention>
+<Fraud Prevention, designs tokenomics, Security Audits>
+<Key Management, connectedTo, Stablecoin Design>
+<Key Management, custodies assets, Cross_chain Swaps>
+<Security Audits, processes transactions, Key Management>
+<Stablecoin Design, creates coins, Blockchain Integration>
+<start, connectedTo, Cross_chain Swaps>
diff --git a/test/mermaid/easy/mermaid_199.mmd b/test/mermaid/easy/mermaid_199.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..663f5a6345bf3e71292e100faa70f2dd39914c7b
--- /dev/null
+++ b/test/mermaid/easy/mermaid_199.mmd
@@ -0,0 +1,38 @@
+graph TD
+    N0([start])
+    N1[Equity Crowdfunding]
+    N2(Post_Campaign Reporting)
+    N3{Due Diligence for Projects}
+    N4[[Customer Support for Backers]]
+    N5[Fulfillment Planning]
+    N6([International Crowdfunding])
+    N7[/Real Estate Crowdfunding/]
+    N8[Financial Projection Analysis]
+    N9[Goal Setting]
+    N10[Payment Processing]
+    N11([end])
+    N0 -.-> N1
+    N1 -.-> |no| N2
+    N2 --> |yes| N3
+    N3 --> |no| N4
+    N4 -.-> |no| N5
+    N5 -.-> N6
+    N6 -.-> |no| N7
+    N7 -.-> N8
+    N8 -.-> |no| N9
+    N9 --> N10
+    N10 --> |no| N11
+    N3 -.-> N0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#9FA9E1,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_199.txt b/test/mermaid/easy/mermaid_199.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0f3be71ba3dcf9eb90e4082e94f665fe49d86e07
--- /dev/null
+++ b/test/mermaid/easy/mermaid_199.txt
@@ -0,0 +1,12 @@
+<Customer Support for Backers, no, Fulfillment Planning>
+<Due Diligence for Projects, connectedTo, start>
+<Due Diligence for Projects, no, Customer Support for Backers>
+<Equity Crowdfunding, no, Post_Campaign Reporting>
+<Financial Projection Analysis, no, Goal Setting>
+<Fulfillment Planning, connectedTo, International Crowdfunding>
+<Goal Setting, connectedTo, Payment Processing>
+<International Crowdfunding, no, Real Estate Crowdfunding>
+<Payment Processing, no, end>
+<Post_Campaign Reporting, yes, Due Diligence for Projects>
+<Real Estate Crowdfunding, connectedTo, Financial Projection Analysis>
+<start, connectedTo, Equity Crowdfunding>
diff --git a/test/mermaid/easy/mermaid_2.mmd b/test/mermaid/easy/mermaid_2.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..88edea550860cfcb65a1aa06733878eaaca3bde2
--- /dev/null
+++ b/test/mermaid/easy/mermaid_2.mmd
@@ -0,0 +1,40 @@
+graph BT
+    N0([start])
+    N1(Fraud Check)
+    N2[/Securities Trading/]
+    N3[Financial Advisory]
+    N4[Investment Planning]
+    N5(Mortgage Application)
+    N6([Income Verification])
+    N7(Risk Assessment)
+    N8([end])
+    N0 --> N1
+    N1 --> |adjudicates| N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> |loans| N5
+    N5 --> N6
+    N6 -.-> |forecasts| N7
+    N7 -.-> N8
+    N7 --> |collects| N0
+    N6 --> N3
+    style N0 fill:#B3E5FC,stroke:#03A9F4
+    style N1 fill:#FFDCD6,stroke:#FFB2A5
+    style N2 fill:#F8FDD3,stroke:#D3EB9F
+    style N3 fill:#F8FDD3,stroke:#D3EB9F
+    style N4 fill:#F8FDD3,stroke:#D3EB9F
+    style N5 fill:#F8FDD3,stroke:#D3EB9F
+    style N6 fill:#FFDCD6,stroke:#FFB2A5
+    style N7 fill:#FFDCD6,stroke:#FFB2A5
+    style N8 fill:#B3E5FC,stroke:#03A9F4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_2.txt b/test/mermaid/easy/mermaid_2.txt
new file mode 100644
index 0000000000000000000000000000000000000000..51abe3f449f549da9b917d7024142f0c9e273399
--- /dev/null
+++ b/test/mermaid/easy/mermaid_2.txt
@@ -0,0 +1,10 @@
+<Financial Advisory, connectedTo, Investment Planning>
+<Fraud Check, adjudicates, Securities Trading>
+<Income Verification, connectedTo, Financial Advisory>
+<Income Verification, forecasts, Risk Assessment>
+<Investment Planning, loans, Mortgage Application>
+<Mortgage Application, connectedTo, Income Verification>
+<Risk Assessment, collects, start>
+<Risk Assessment, connectedTo, end>
+<Securities Trading, connectedTo, Financial Advisory>
+<start, connectedTo, Fraud Check>
diff --git a/test/mermaid/easy/mermaid_200.mmd b/test/mermaid/easy/mermaid_200.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..869ff2eedd11d9e05b06c207a159633261383aff
--- /dev/null
+++ b/test/mermaid/easy/mermaid_200.mmd
@@ -0,0 +1,36 @@
+graph LR
+    N0([Reward Tier Design])
+    N1{Goal Setting}
+    N2(Legal Compliance)
+    N3{Escrow Management}
+    N4[[Customer Support for Backers]]
+    N5{Debt Crowdfunding}
+    N6[/Real Estate Crowdfunding/]
+    N7([end])
+    N0 --> N1
+    N1 --> |analyzes data| N2
+    N2 -.-> |manages shareholders| N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 --> |plans promotions| N7
+    N4 -.-> N3
+    N5 -.-> |builds communities| N2
+    style N0 fill:#FFF6D9,stroke:#FFCC7A
+    style N1 fill:#E8EAF6,stroke:#7986CB
+    style N2 fill:#FFF6D9,stroke:#FFCC7A
+    style N3 fill:#E8EAF6,stroke:#7986CB
+    style N4 fill:#FFF6D9,stroke:#FFCC7A
+    style N5 fill:#E8EAF6,stroke:#7986CB
+    style N6 fill:#FFF6D9,stroke:#FFCC7A
+    style N7 fill:#E8EAF6,stroke:#7986CB
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#7986CB,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_201.mmd b/test/mermaid/easy/mermaid_201.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ae275b03fd751dde3a42dc4f1f8cf6753ec63c0a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_201.mmd
@@ -0,0 +1,34 @@
+graph BT
+    N0([Donation_Based Crowdfunding])
+    N1(Intellectual Property Protection)
+    N2[Social Media Promotion]
+    N3([Manufacturing Planning])
+    N4(Legal Compliance)
+    N5[Press Outreach]
+    N6([Investor Verification])
+    N7([end])
+    N0 -.-> |promotes campaigns| N1
+    N1 --> |ensures compliance| N2
+    N2 -.-> |manages manufacturing| N3
+    N3 -.-> |collects donations| N4
+    N4 --> |provides support| N5
+    N5 --> N6
+    N6 --> |adheres to regulations| N7
+    N3 -.-> N5
+    style N0 fill:#D1C4E9,stroke:#673AB7
+    style N1 fill:#D1C4E9,stroke:#673AB7
+    style N2 fill:#FAEBF3,stroke:#F7BEE0
+    style N3 fill:#FAEBF3,stroke:#F7BEE0
+    style N4 fill:#EFEBE9,stroke:#A1887F
+    style N5 fill:#FAEBF3,stroke:#F7BEE0
+    style N6 fill:#D1C4E9,stroke:#673AB7
+    style N7 fill:#FAEBF3,stroke:#F7BEE0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_201.txt b/test/mermaid/easy/mermaid_201.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ae52f79328031f6cbab159be6c16a7c1b1f8386b
--- /dev/null
+++ b/test/mermaid/easy/mermaid_201.txt
@@ -0,0 +1,8 @@
+<Donation_Based Crowdfunding, promotes campaigns, Intellectual Property Protection>
+<Intellectual Property Protection, ensures compliance, Social Media Promotion>
+<Investor Verification, adheres to regulations, end>
+<Legal Compliance, provides support, Press Outreach>
+<Manufacturing Planning, collects donations, Legal Compliance>
+<Manufacturing Planning, connectedTo, Press Outreach>
+<Press Outreach, connectedTo, Investor Verification>
+<Social Media Promotion, manages manufacturing, Manufacturing Planning>
diff --git a/test/mermaid/easy/mermaid_203.mmd b/test/mermaid/easy/mermaid_203.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..9073f96a61a86526ba8f8ed53af220a53a94b6f8
--- /dev/null
+++ b/test/mermaid/easy/mermaid_203.mmd
@@ -0,0 +1,34 @@
+graph RL
+    N0([start])
+    N1{Energy Management Systems}
+    N2[(Interoperability Standards)]
+    N3[Device Prototyping]
+    N4([User Interface for IoT Apps])
+    N5(Sensor Integration)
+    N6(Retail IoT)
+    N7([Power Management for Devices])
+    N0 -.-> |uses protocols| N1
+    N1 -.-> N2
+    N2 --> |uses blockchain| N3
+    N3 --> |predicts events| N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> |performs OTAs| N7
+    N1 -.-> |certifies devices| N5
+    style N0 fill:#FFEBEE,stroke:#E57373
+    style N1 fill:#EFEBE9,stroke:#A1887F
+    style N2 fill:#FFEBEE,stroke:#E57373
+    style N3 fill:#E0F2F1,stroke:#26A69A
+    style N4 fill:#FFEBEE,stroke:#E57373
+    style N5 fill:#E0F2F1,stroke:#26A69A
+    style N6 fill:#EFEBE9,stroke:#A1887F
+    style N7 fill:#FFEBEE,stroke:#E57373
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#E57373,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_203.txt b/test/mermaid/easy/mermaid_203.txt
new file mode 100644
index 0000000000000000000000000000000000000000..22daf1bf505f2db02d7cea404a2ef9f3935bc9d8
--- /dev/null
+++ b/test/mermaid/easy/mermaid_203.txt
@@ -0,0 +1,8 @@
+<Device Prototyping, predicts events, User Interface for IoT Apps>
+<Energy Management Systems, certifies devices, Sensor Integration>
+<Energy Management Systems, connectedTo, Interoperability Standards>
+<Interoperability Standards, uses blockchain, Device Prototyping>
+<Retail IoT, performs OTAs, Power Management for Devices>
+<Sensor Integration, connectedTo, Retail IoT>
+<User Interface for IoT Apps, connectedTo, Sensor Integration>
+<start, uses protocols, Energy Management Systems>
diff --git a/test/mermaid/easy/mermaid_204.mmd b/test/mermaid/easy/mermaid_204.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..020e21d9f947b840c666a6e644aaa0de80c617f5
--- /dev/null
+++ b/test/mermaid/easy/mermaid_204.mmd
@@ -0,0 +1,28 @@
+graph LR
+    N0([start])
+    N1(Data Privacy in IoT)
+    N2[Compliance with IoT Regulations]
+    N3(Data Analysis in Cloud)
+    N4[(Smart City Sensors)]
+    N5[(Industrial IoT)]
+    N6[(Network Protocol Selection)]
+    N7([end])
+    N0 --> |no| N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> |no| N5
+    N5 --> |no| N6
+    N6 --> N7
+    N0 -.-> |yes| N4
+    N6 --> |yes| N3
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_204.txt b/test/mermaid/easy/mermaid_204.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6a81bbf626d99c7c5108a8e4505854d203c386b0
--- /dev/null
+++ b/test/mermaid/easy/mermaid_204.txt
@@ -0,0 +1,9 @@
+<Compliance with IoT Regulations, connectedTo, Data Analysis in Cloud>
+<Data Analysis in Cloud, connectedTo, Smart City Sensors>
+<Data Privacy in IoT, connectedTo, Compliance with IoT Regulations>
+<Industrial IoT, no, Network Protocol Selection>
+<Network Protocol Selection, connectedTo, end>
+<Network Protocol Selection, yes, Data Analysis in Cloud>
+<Smart City Sensors, no, Industrial IoT>
+<start, no, Data Privacy in IoT>
+<start, yes, Smart City Sensors>
diff --git a/test/mermaid/easy/mermaid_205.mmd b/test/mermaid/easy/mermaid_205.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..4baf234b0c334cacc09eb49e89f40f0cf12731b6
--- /dev/null
+++ b/test/mermaid/easy/mermaid_205.mmd
@@ -0,0 +1,37 @@
+graph RL
+    N0([start])
+    N1(Data Synchronization between Edge and Cloud)
+    N2[[Edge Gateway Management]]
+    N3[Edge Device Analytics]
+    N4[/Bandwidth Optimization/]
+    N5(Network Optimization for Edge)
+    N6(Fault Tolerance at Edge)
+    N7[/Compliance and Governance at Edge/]
+    N8(Edge Network Topology Design)
+    N9(Security for Edge Devices)
+    N10([end])
+    N0 --> |yes| N1
+    N1 --> N2
+    N2 -.-> |no| N3
+    N3 -.-> |no| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> |yes| N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 --> N10
+    N7 -.-> N6
+    N5 --> |yes| N9
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#66BB6A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_205.txt b/test/mermaid/easy/mermaid_205.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fe42adb7a732d408d87106ed9f3264bebde33dc7
--- /dev/null
+++ b/test/mermaid/easy/mermaid_205.txt
@@ -0,0 +1,12 @@
+<Bandwidth Optimization, connectedTo, Network Optimization for Edge>
+<Compliance and Governance at Edge, connectedTo, Edge Network Topology Design>
+<Compliance and Governance at Edge, connectedTo, Fault Tolerance at Edge>
+<Data Synchronization between Edge and Cloud, connectedTo, Edge Gateway Management>
+<Edge Device Analytics, no, Bandwidth Optimization>
+<Edge Gateway Management, no, Edge Device Analytics>
+<Edge Network Topology Design, connectedTo, Security for Edge Devices>
+<Fault Tolerance at Edge, yes, Compliance and Governance at Edge>
+<Network Optimization for Edge, connectedTo, Fault Tolerance at Edge>
+<Network Optimization for Edge, yes, Security for Edge Devices>
+<Security for Edge Devices, connectedTo, end>
+<start, yes, Data Synchronization between Edge and Cloud>
diff --git a/test/mermaid/easy/mermaid_206.txt b/test/mermaid/easy/mermaid_206.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2d771ebadcba28b5fb45d673523dcce71eaa380a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_206.txt
@@ -0,0 +1,12 @@
+<Edge AI Model Deployment, connectedTo, Healthcare Edge Computing>
+<Edge API Management, connectedTo, Edge AI Model Deployment>
+<Edge API Management, no, Retail Edge Computing>
+<Edge Gateway Management, connectedTo, Edge API Management>
+<Edge Gateway Management, connectedTo, Retail Edge Computing>
+<Edge Security Analytics, connectedTo, Telecom Edge Computing>
+<Healthcare Edge Computing, yes, Retail Edge Computing>
+<Retail Edge Computing, connectedTo, Security for Edge Devices>
+<Security for Edge Devices, yes, Edge Security Analytics>
+<Smart City Edge Solutions, yes, Edge Gateway Management>
+<Telecom Edge Computing, no, end>
+<start, yes, Smart City Edge Solutions>
diff --git a/test/mermaid/easy/mermaid_207.txt b/test/mermaid/easy/mermaid_207.txt
new file mode 100644
index 0000000000000000000000000000000000000000..844b106a3d2df53b230ecaaaa438f6a1e6108198
--- /dev/null
+++ b/test/mermaid/easy/mermaid_207.txt
@@ -0,0 +1,10 @@
+<Compliance and Governance at Edge, connectedTo, Edge API Management>
+<Compliance and Governance at Edge, optimizes resources, Edge Device Analytics>
+<Data Synchronization between Edge and Cloud, orchestrates containers, Compliance and Governance at Edge>
+<Edge API Management, implements virtual machines, end>
+<Edge Device Analytics, enhances privacy, Event_Driven Architectures at Edge>
+<Event_Driven Architectures at Edge, runs AI models, Data Synchronization between Edge and Cloud>
+<Healthcare Edge Computing, designs architectures, Edge Device Analytics>
+<Local AI or ML Inference, connectedTo, Healthcare Edge Computing>
+<end, optimizes telecoms, Edge Device Analytics>
+<start, connectedTo, Local AI or ML Inference>
diff --git a/test/mermaid/easy/mermaid_208.mmd b/test/mermaid/easy/mermaid_208.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..edd99a1245184855abbd5f771b36ea80eb205fda
--- /dev/null
+++ b/test/mermaid/easy/mermaid_208.mmd
@@ -0,0 +1,52 @@
+graph TD
+    N0([start])
+    N1[/Disaster Recovery in Cloud/]
+    N2[(Cloud Migration Strategy)]
+    N3[/Load Balancing in Cloud/]
+    N4(Infrastructure as a Service)
+    N5[Cloud Native Application Development]
+    N6[Cloud_based VPN Setup]
+    N7[/Network Configuration in Cloud/]
+    N8{Private Cloud Management}
+    N9{Cloud Automation}
+    N10[Big Data Services in Cloud]
+    N11([Public Cloud Management])
+    N0 -.-> N1
+    N1 -.-> |sets up VPNs| N2
+    N2 -.-> |builds hybrid clouds| N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> |offers DBaaS| N7
+    N7 --> |offers MLaaS| N8
+    N8 -.-> |integrates edge| N9
+    N9 --> |tags resources| N10
+    N10 -.-> N11
+    N2 -.-> |develops cloud_native apps| N9
+    N7 --> |audits usage| N0
+    style N0 fill:#F3E5F5,stroke:#BA68C8
+    style N1 fill:#F3E5F5,stroke:#BA68C8
+    style N2 fill:#ECCFF5,stroke:#CD8FF2
+    style N3 fill:#D6D9F0,stroke:#9FA9E1
+    style N4 fill:#ECCFF5,stroke:#CD8FF2
+    style N5 fill:#ECCFF5,stroke:#CD8FF2
+    style N6 fill:#F3E5F5,stroke:#BA68C8
+    style N7 fill:#F3E5F5,stroke:#BA68C8
+    style N8 fill:#F3E5F5,stroke:#BA68C8
+    style N9 fill:#D6D9F0,stroke:#9FA9E1
+    style N10 fill:#F3E5F5,stroke:#BA68C8
+    style N11 fill:#F3E5F5,stroke:#BA68C8
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#9FA9E1,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_21.txt b/test/mermaid/easy/mermaid_21.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d9055d155f4d5671d89d837d3328df73b3801d3a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_21.txt
@@ -0,0 +1,11 @@
+<Carbon Capture, backs up, Outage Detection>
+<Distributed Generation Management, connectedTo, Energy Efficiency Audit>
+<Energy Efficiency Audit, markets, Power Plant>
+<Energy Efficiency Audit, reads, Power Backup>
+<Energy Market Analysis, connectedTo, Carbon Capture>
+<Peak Shaving, connectedTo, Outage Detection>
+<Peak Shaving, stores, Distributed Generation Management>
+<Power Backup, repairs, Peak Shaving>
+<Power Plant, permits, Energy Market Analysis>
+<Transmission Line Maintenance, transforms, Power Backup>
+<start, connectedTo, Transmission Line Maintenance>
diff --git a/test/mermaid/easy/mermaid_210.mmd b/test/mermaid/easy/mermaid_210.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5901e99033b19671e351d397f1eaa31c360273c8
--- /dev/null
+++ b/test/mermaid/easy/mermaid_210.mmd
@@ -0,0 +1,44 @@
+graph LR
+    N0([Cloud Migration Strategy])
+    N1([Public Cloud Management])
+    N2[Machine Learning as a Service]
+    N3([Cloud Vendor Lock_in Mitigation])
+    N4[/Serverless Computing/]
+    N5([Load Balancing in Cloud])
+    N6(Cloud Architecture Design)
+    N7{Private Cloud Management}
+    N8[(Cloud Automation)]
+    N9([DevOps on Cloud])
+    N0 --> N1
+    N1 --> |implements FinOps| N2
+    N2 -.-> |deploys private clouds| N3
+    N3 --> |offers MLaaS| N4
+    N4 -.-> |monitors performance| N5
+    N5 --> |develops serverless apps| N6
+    N6 -.-> |provides APIs| N7
+    N7 --> |manages load balancing| N8
+    N8 --> N9
+    N1 --> N4
+    N3 -.-> N7
+    style N0 fill:#FFF3E0,stroke:#FFA726
+    style N1 fill:#B2EBF2,stroke:#00BCD4
+    style N2 fill:#B2EBF2,stroke:#00BCD4
+    style N3 fill:#FFE0B2,stroke:#FF9800
+    style N4 fill:#FFE0B2,stroke:#FF9800
+    style N5 fill:#FFE0B2,stroke:#FF9800
+    style N6 fill:#B2EBF2,stroke:#00BCD4
+    style N7 fill:#B2EBF2,stroke:#00BCD4
+    style N8 fill:#B2EBF2,stroke:#00BCD4
+    style N9 fill:#B2EBF2,stroke:#00BCD4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFA726,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_210.txt b/test/mermaid/easy/mermaid_210.txt
new file mode 100644
index 0000000000000000000000000000000000000000..358cc35e65f2d694bd5ef689442357834f6f0ead
--- /dev/null
+++ b/test/mermaid/easy/mermaid_210.txt
@@ -0,0 +1,11 @@
+<Cloud Architecture Design, provides APIs, Private Cloud Management>
+<Cloud Automation, connectedTo, DevOps on Cloud>
+<Cloud Migration Strategy, connectedTo, Public Cloud Management>
+<Cloud Vendor Lock_in Mitigation, connectedTo, Private Cloud Management>
+<Cloud Vendor Lock_in Mitigation, offers MLaaS, Serverless Computing>
+<Load Balancing in Cloud, develops serverless apps, Cloud Architecture Design>
+<Machine Learning as a Service, deploys private clouds, Cloud Vendor Lock_in Mitigation>
+<Private Cloud Management, manages load balancing, Cloud Automation>
+<Public Cloud Management, connectedTo, Serverless Computing>
+<Public Cloud Management, implements FinOps, Machine Learning as a Service>
+<Serverless Computing, monitors performance, Load Balancing in Cloud>
diff --git a/test/mermaid/easy/mermaid_211.txt b/test/mermaid/easy/mermaid_211.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c350056130de2141574d2b647d5b0191e1b7cbc7
--- /dev/null
+++ b/test/mermaid/easy/mermaid_211.txt
@@ -0,0 +1,9 @@
+<Cabling and Wiring, connectedTo, Hardware Maintenance>
+<Database Administration, connectedTo, Environmental Monitoring>
+<Environmental Monitoring, connectedTo, Cabling and Wiring>
+<Group Policy Management, manages groups, Database Administration>
+<Network Performance Tuning, deploys servers, System Administration>
+<Patch Management, connectedTo, Network Performance Tuning>
+<System Administration, connectedTo, Group Policy Management>
+<start, installs racks, Group Policy Management>
+<start, tracks assets, Patch Management>
diff --git a/test/mermaid/easy/mermaid_212.txt b/test/mermaid/easy/mermaid_212.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e770b2ebb013e4b56895f6b11aa0287158d35d92
--- /dev/null
+++ b/test/mermaid/easy/mermaid_212.txt
@@ -0,0 +1,13 @@
+<Access Control Systems, administers databases, Web Server Configuration>
+<Disaster Recovery Planning, deploys VDIs, Server Deployment>
+<Disaster Recovery Planning, manages users, Virtual Desktop Infrastructure>
+<Environmental Monitoring, manages groups, IT Asset Management>
+<Firewall Management, configures firewalls, Hardware Procurement>
+<Firewall Management, connectedTo, end>
+<Hardware Procurement, connectedTo, Virtualization>
+<IT Asset Management, monitors performance, Firewall Management>
+<Network Design, performs backups, Virtual Desktop Infrastructure>
+<Server Deployment, connectedTo, Environmental Monitoring>
+<Virtual Desktop Infrastructure, connectedTo, end>
+<Virtualization, connectedTo, Network Design>
+<Web Server Configuration, connectedTo, Disaster Recovery Planning>
diff --git a/test/mermaid/easy/mermaid_213.mmd b/test/mermaid/easy/mermaid_213.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..9c9de01d58ce5304a21a2e36daa55d240b93f1e1
--- /dev/null
+++ b/test/mermaid/easy/mermaid_213.mmd
@@ -0,0 +1,35 @@
+graph LR
+    N0([start])
+    N1(IT Asset Management)
+    N2[/Cloud Integration with On_premise/]
+    N3[Firewall Management]
+    N4([Power and Cooling Management])
+    N5[/Virtualization/]
+    N6{Network Security}
+    N7[VPN Configuration]
+    N8[(Rack and Cabinet Management)]
+    N9[[Data Center Management]]
+    N10([end])
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> |no| N3
+    N3 --> |yes| N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> |no| N9
+    N9 -.-> |no| N10
+    N4 -.-> |no| N2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFC107,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_213.txt b/test/mermaid/easy/mermaid_213.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e36ea7bda344f0f81648c38a776591d99903e947
--- /dev/null
+++ b/test/mermaid/easy/mermaid_213.txt
@@ -0,0 +1,11 @@
+<Cloud Integration with On_premise, no, Firewall Management>
+<Data Center Management, no, end>
+<Firewall Management, yes, Power and Cooling Management>
+<IT Asset Management, connectedTo, Cloud Integration with On_premise>
+<Network Security, connectedTo, VPN Configuration>
+<Power and Cooling Management, connectedTo, Virtualization>
+<Power and Cooling Management, no, Cloud Integration with On_premise>
+<Rack and Cabinet Management, no, Data Center Management>
+<VPN Configuration, connectedTo, Rack and Cabinet Management>
+<Virtualization, connectedTo, Network Security>
+<start, connectedTo, IT Asset Management>
diff --git a/test/mermaid/easy/mermaid_214.mmd b/test/mermaid/easy/mermaid_214.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..49b188a1f69495a0671c1a2d31584223e0fa730b
--- /dev/null
+++ b/test/mermaid/easy/mermaid_214.mmd
@@ -0,0 +1,46 @@
+graph BT
+    N0([Code Quality Checks])
+    N1[Continuous Delivery]
+    N2[Collaboration Tools]
+    N3[Monitoring and Logging]
+    N4([Canary Releases])
+    N5(Alerting and Incident Response)
+    N6([Cross_Functional Team Collaboration])
+    N7[Infrastructure as Code]
+    N8(Secrets Management)
+    N9[Serverless Deployment]
+    N10([Dynamic Application Security Testing])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> |manages immutable infrastructure| N7
+    N7 -.-> |enables ChatOps| N8
+    N8 -.-> N9
+    N9 -.-> |uses serverless| N10
+    N2 -.-> |deploys releases| N4
+    style N0 fill:#E0F7FA,stroke:#00BCD4
+    style N1 fill:#E8EAF6,stroke:#5C6BC0
+    style N2 fill:#E0F7FA,stroke:#00BCD4
+    style N3 fill:#ECF0FD,stroke:#B8C0F5
+    style N4 fill:#E8EAF6,stroke:#5C6BC0
+    style N5 fill:#E0F7FA,stroke:#00BCD4
+    style N6 fill:#ECF0FD,stroke:#B8C0F5
+    style N7 fill:#ECF0FD,stroke:#B8C0F5
+    style N8 fill:#ECF0FD,stroke:#B8C0F5
+    style N9 fill:#E0F7FA,stroke:#00BCD4
+    style N10 fill:#E0F7FA,stroke:#00BCD4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#5C6BC0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_214.txt b/test/mermaid/easy/mermaid_214.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a9eb7cd899931d46d883f2970ae0bd107a932cd9
--- /dev/null
+++ b/test/mermaid/easy/mermaid_214.txt
@@ -0,0 +1,11 @@
+<Alerting and Incident Response, connectedTo, Cross_Functional Team Collaboration>
+<Canary Releases, connectedTo, Alerting and Incident Response>
+<Code Quality Checks, connectedTo, Continuous Delivery>
+<Collaboration Tools, connectedTo, Monitoring and Logging>
+<Collaboration Tools, deploys releases, Canary Releases>
+<Continuous Delivery, connectedTo, Collaboration Tools>
+<Cross_Functional Team Collaboration, manages immutable infrastructure, Infrastructure as Code>
+<Infrastructure as Code, enables ChatOps, Secrets Management>
+<Monitoring and Logging, connectedTo, Canary Releases>
+<Secrets Management, connectedTo, Serverless Deployment>
+<Serverless Deployment, uses serverless, Dynamic Application Security Testing>
diff --git a/test/mermaid/easy/mermaid_215.txt b/test/mermaid/easy/mermaid_215.txt
new file mode 100644
index 0000000000000000000000000000000000000000..898176b90dd218e3ad822e795103e10be423160d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_215.txt
@@ -0,0 +1,11 @@
+<Collaboration Tools, connectedTo, Containerization>
+<Configuration Management, connectedTo, Collaboration Tools>
+<Container Orchestration, builds cloud_native apps, Infrastructure as Code>
+<Containerization, codes features, Environment Management>
+<Continuous Delivery, practices chaos engineering, Version Control>
+<Environment Management, connectedTo, Immutable Infrastructure>
+<Environment Management, connectedTo, start>
+<Feedback Loops, uses GitOps, Continuous Delivery>
+<Immutable Infrastructure, connectedTo, Container Orchestration>
+<Version Control, uses serverless, Configuration Management>
+<start, connectedTo, Feedback Loops>
diff --git a/test/mermaid/easy/mermaid_217.mmd b/test/mermaid/easy/mermaid_217.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d63b0df8c683c2a90282f1802e2086fdc3bad336
--- /dev/null
+++ b/test/mermaid/easy/mermaid_217.mmd
@@ -0,0 +1,44 @@
+graph BT
+    N0([start])
+    N1(System Design)
+    N2[[Unit Testing]]
+    N3(Coding)
+    N4[Maintenance]
+    N5([Data Structures Implementation])
+    N6[[Operating System Development]]
+    N7[[Scalability Design]]
+    N8[(Embedded Systems Development)]
+    N9([Cloud_Native Development])
+    N0 --> |builds backends| N1
+    N1 -.-> N2
+    N2 -.-> |creates mobile apps| N3
+    N3 --> |writes documentation| N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> |develops frontends| N7
+    N7 -.-> N8
+    N8 --> |integrates modules| N9
+    N5 --> |manages databases| N9
+    N5 -.-> N7
+    style N0 fill:#F5F5DC,stroke:#BCB88A
+    style N1 fill:#CFD8DC,stroke:#607D8B
+    style N2 fill:#F5F5DC,stroke:#BCB88A
+    style N3 fill:#F5F5DC,stroke:#BCB88A
+    style N4 fill:#FFDAB9,stroke:#FFC085
+    style N5 fill:#F5F5DC,stroke:#BCB88A
+    style N6 fill:#CFD8DC,stroke:#607D8B
+    style N7 fill:#F5F5DC,stroke:#BCB88A
+    style N8 fill:#F5F5DC,stroke:#BCB88A
+    style N9 fill:#FFDAB9,stroke:#FFC085
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFC085,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_218.mmd b/test/mermaid/easy/mermaid_218.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..6f0fdfd34b24665fd4ccb7a52ebd6f40d010b8b5
--- /dev/null
+++ b/test/mermaid/easy/mermaid_218.mmd
@@ -0,0 +1,34 @@
+graph BT
+    N0([start])
+    N1[Refactoring]
+    N2[[User Experience Design]]
+    N3(Backend Development)
+    N4(Unit Testing)
+    N5[Data Structures Implementation]
+    N6[Code Review]
+    N7[Continuous Delivery]
+    N8[[Compiler Design]]
+    N9([end])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> |yes| N4
+    N4 -.-> N5
+    N5 --> |no| N6
+    N6 -.-> |no| N7
+    N7 -.-> N8
+    N8 -.-> |yes| N9
+    N7 --> |yes| N6
+    N7 --> |no| N9
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_218.txt b/test/mermaid/easy/mermaid_218.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ccd25654a261a620b050739ee726be27aa895492
--- /dev/null
+++ b/test/mermaid/easy/mermaid_218.txt
@@ -0,0 +1,11 @@
+<Backend Development, yes, Unit Testing>
+<Code Review, no, Continuous Delivery>
+<Compiler Design, yes, end>
+<Continuous Delivery, connectedTo, Compiler Design>
+<Continuous Delivery, no, end>
+<Continuous Delivery, yes, Code Review>
+<Data Structures Implementation, no, Code Review>
+<Refactoring, connectedTo, User Experience Design>
+<Unit Testing, connectedTo, Data Structures Implementation>
+<User Experience Design, connectedTo, Backend Development>
+<start, connectedTo, Refactoring>
diff --git a/test/mermaid/easy/mermaid_221.mmd b/test/mermaid/easy/mermaid_221.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b7ea5a0afaee1bd1a6ab73f24fcc5d0e393362c2
--- /dev/null
+++ b/test/mermaid/easy/mermaid_221.mmd
@@ -0,0 +1,34 @@
+graph TD
+    N0([start])
+    N1[Electromagnetic Compatibility Testing]
+    N2[Troubleshooting and Debugging]
+    N3[Environmental Testing]
+    N4[(Failure Analysis)]
+    N5([Thermal Management])
+    N6{Sensor Integration}
+    N7[[Regulatory Compliance]]
+    N8[/Mechanical Design Integration/]
+    N9([end])
+    N0 -.-> |no| N1
+    N1 --> |yes| N2
+    N2 -.-> |yes| N3
+    N3 --> N4
+    N4 --> |no| N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> |yes| N8
+    N8 -.-> N9
+    N2 -.-> |no| N9
+    N1 --> N6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFA726,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_221.txt b/test/mermaid/easy/mermaid_221.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2313e0df79540e88febc2142e03c56910426992e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_221.txt
@@ -0,0 +1,11 @@
+<Electromagnetic Compatibility Testing, connectedTo, Sensor Integration>
+<Electromagnetic Compatibility Testing, yes, Troubleshooting and Debugging>
+<Environmental Testing, connectedTo, Failure Analysis>
+<Failure Analysis, no, Thermal Management>
+<Mechanical Design Integration, connectedTo, end>
+<Regulatory Compliance, yes, Mechanical Design Integration>
+<Sensor Integration, connectedTo, Regulatory Compliance>
+<Thermal Management, connectedTo, Sensor Integration>
+<Troubleshooting and Debugging, no, end>
+<Troubleshooting and Debugging, yes, Environmental Testing>
+<start, no, Electromagnetic Compatibility Testing>
diff --git a/test/mermaid/easy/mermaid_222.txt b/test/mermaid/easy/mermaid_222.txt
new file mode 100644
index 0000000000000000000000000000000000000000..553d4839c8dee0cbb25ceaca6f98204ae3a4eca2
--- /dev/null
+++ b/test/mermaid/easy/mermaid_222.txt
@@ -0,0 +1,13 @@
+<ASIC Design, connectedTo, Testing and Validation>
+<Circuit Design, connectedTo, ASIC Design>
+<Circuit Design, yes, end>
+<Documentation, connectedTo, Circuit Design>
+<Material Selection, no, Reliability Testing>
+<Power Integrity Analysis, connectedTo, ASIC Design>
+<RF Circuit Design, no, Sensor Integration>
+<RF Circuit Design, yes, Circuit Design>
+<Reliability Testing, yes, RF Circuit Design>
+<Sensor Integration, connectedTo, Signal Integrity Analysis>
+<Signal Integrity Analysis, no, Power Integrity Analysis>
+<Testing and Validation, no, Documentation>
+<start, yes, Material Selection>
diff --git a/test/mermaid/easy/mermaid_223.mmd b/test/mermaid/easy/mermaid_223.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..455be34c53579dd3240a289680b42118764e772e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_223.mmd
@@ -0,0 +1,48 @@
+graph RL
+    N0([start])
+    N1[Prototyping]
+    N2[(User Experience Design)]
+    N3[AR or VR Features in Mobile]
+    N4{Widget Development}
+    N5{User Onboarding Flows}
+    N6(Security Implementation)
+    N7([User Feedback Collection])
+    N8[Offline Mode Development]
+    N9(Database Design for Mobile)
+    N10([end])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> |develops cross_platform apps| N3
+    N3 --> |integrates ads| N4
+    N4 --> |concepts ideas| N5
+    N5 -.-> |manages subscriptions| N6
+    N6 --> N7
+    N7 -.-> |creates wireframes| N8
+    N8 --> |processes payments| N9
+    N9 --> N10
+    N10 -.-> |designs UIs| N7
+    N9 --> |builds backends| N0
+    style N0 fill:#FFFDE7,stroke:#FBC02D
+    style N1 fill:#E6EE9C,stroke:#CDDC39
+    style N2 fill:#C8EDFF,stroke:#82DAFF
+    style N3 fill:#E6EE9C,stroke:#CDDC39
+    style N4 fill:#E6EE9C,stroke:#CDDC39
+    style N5 fill:#C8EDFF,stroke:#82DAFF
+    style N6 fill:#C8EDFF,stroke:#82DAFF
+    style N7 fill:#C8EDFF,stroke:#82DAFF
+    style N8 fill:#E6EE9C,stroke:#CDDC39
+    style N9 fill:#E6EE9C,stroke:#CDDC39
+    style N10 fill:#FFFDE7,stroke:#FBC02D
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FBC02D,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_224.mmd b/test/mermaid/easy/mermaid_224.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..22216e2c069636d26741695fb551290dc04bd03b
--- /dev/null
+++ b/test/mermaid/easy/mermaid_224.mmd
@@ -0,0 +1,40 @@
+graph LR
+    N0([AR or VR Features in Mobile])
+    N1[[Microphone Integration]]
+    N2[/Security Implementation/]
+    N3[User Onboarding Flows]
+    N4[(Ad Monetization)]
+    N5(Performance Optimization)
+    N6[Camera Integration]
+    N7(User Experience Design)
+    N8([Database Design for Mobile])
+    N0 --> |analyzes analytics| N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> |builds prototypes| N4
+    N4 -.-> N5
+    N5 -.-> |manages subscriptions| N6
+    N6 -.-> N7
+    N7 -.-> |designs UXs| N8
+    N4 --> |optimizes ASO| N0
+    N1 --> N7
+    style N0 fill:#FCE4EC,stroke:#F06292
+    style N1 fill:#E1F5FE,stroke:#4FC3F7
+    style N2 fill:#FCE4EC,stroke:#F06292
+    style N3 fill:#F8FDD3,stroke:#D3EB9F
+    style N4 fill:#FCE4EC,stroke:#F06292
+    style N5 fill:#FCE4EC,stroke:#F06292
+    style N6 fill:#F8FDD3,stroke:#D3EB9F
+    style N7 fill:#FCE4EC,stroke:#F06292
+    style N8 fill:#FCE4EC,stroke:#F06292
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#F06292,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_224.txt b/test/mermaid/easy/mermaid_224.txt
new file mode 100644
index 0000000000000000000000000000000000000000..758b053bbabeb7d2164074f691fffd1dadf01e00
--- /dev/null
+++ b/test/mermaid/easy/mermaid_224.txt
@@ -0,0 +1,10 @@
+<AR or VR Features in Mobile, analyzes analytics, Microphone Integration>
+<Ad Monetization, connectedTo, Performance Optimization>
+<Ad Monetization, optimizes ASO, AR or VR Features in Mobile>
+<Camera Integration, connectedTo, User Experience Design>
+<Microphone Integration, connectedTo, Security Implementation>
+<Microphone Integration, connectedTo, User Experience Design>
+<Performance Optimization, manages subscriptions, Camera Integration>
+<Security Implementation, connectedTo, User Onboarding Flows>
+<User Experience Design, designs UXs, Database Design for Mobile>
+<User Onboarding Flows, builds prototypes, Ad Monetization>
diff --git a/test/mermaid/easy/mermaid_225.mmd b/test/mermaid/easy/mermaid_225.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..3de796a295e8437e965b010eeb9a2ac34459c64c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_225.mmd
@@ -0,0 +1,48 @@
+graph BT
+    N0([start])
+    N1[/Camera Integration/]
+    N2[Gamification Elements]
+    N3[Testing and Debugging]
+    N4[(Concept Development)]
+    N5([Microphone Integration])
+    N6[(Push Notification Implementation)]
+    N7(User Onboarding Flows)
+    N8([Performance Optimization])
+    N9[/Subscription Management/]
+    N10([end])
+    N0 --> N1
+    N1 -.-> |gathers feedback| N2
+    N2 -.-> N3
+    N3 --> |monitors crashes| N4
+    N4 -.-> N5
+    N5 --> |concepts ideas| N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> |conducts tests| N10
+    N6 --> |enables offline access| N0
+    N9 -.-> N5
+    style N0 fill:#FBE9E7,stroke:#FF8A65
+    style N1 fill:#D0E0F8,stroke:#4285F4
+    style N2 fill:#D3D7EB,stroke:#8C9EFF
+    style N3 fill:#D0E0F8,stroke:#4285F4
+    style N4 fill:#D0E0F8,stroke:#4285F4
+    style N5 fill:#FBE9E7,stroke:#FF8A65
+    style N6 fill:#D0E0F8,stroke:#4285F4
+    style N7 fill:#D3D7EB,stroke:#8C9EFF
+    style N8 fill:#FBE9E7,stroke:#FF8A65
+    style N9 fill:#D3D7EB,stroke:#8C9EFF
+    style N10 fill:#D3D7EB,stroke:#8C9EFF
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#8C9EFF,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_226.mmd b/test/mermaid/easy/mermaid_226.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..df0f2cab2966e023dc0ab4002178f0724fdcabdc
--- /dev/null
+++ b/test/mermaid/easy/mermaid_226.mmd
@@ -0,0 +1,35 @@
+graph LR
+    N0([start])
+    N1([Social Selling])
+    N2(Customer Service on Social Media)
+    N3[(Partnership Management on Social)]
+    N4(Personal Branding on Social Media)
+    N5[Influencer Collaboration]
+    N6[[Hashtag Research]]
+    N7([Reputation Management])
+    N8(Reels or Short Video Production)
+    N9[/Trend Monitoring/]
+    N10([end])
+    N0 -.-> N1
+    N1 -.-> |no| N2
+    N2 --> |no| N3
+    N3 -.-> |no| N4
+    N4 -.-> N5
+    N5 -.-> |no| N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> |no| N10
+    N4 -.-> |no| N1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#26A69A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_226.txt b/test/mermaid/easy/mermaid_226.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b0b562355744a1dda6db108983b3950b77f35c6c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_226.txt
@@ -0,0 +1,11 @@
+<Customer Service on Social Media, no, Partnership Management on Social>
+<Hashtag Research, connectedTo, Reputation Management>
+<Influencer Collaboration, no, Hashtag Research>
+<Partnership Management on Social, no, Personal Branding on Social Media>
+<Personal Branding on Social Media, connectedTo, Influencer Collaboration>
+<Personal Branding on Social Media, no, Social Selling>
+<Reels or Short Video Production, connectedTo, Trend Monitoring>
+<Reputation Management, connectedTo, Reels or Short Video Production>
+<Social Selling, no, Customer Service on Social Media>
+<Trend Monitoring, no, end>
+<start, connectedTo, Social Selling>
diff --git a/test/mermaid/easy/mermaid_227.mmd b/test/mermaid/easy/mermaid_227.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..51fe515f5cc6ba00abf95d4c6cc80a2b7014f420
--- /dev/null
+++ b/test/mermaid/easy/mermaid_227.mmd
@@ -0,0 +1,46 @@
+graph RL
+    N0([start])
+    N1[[Influencer Collaboration]]
+    N2([Reels or Short Video Production])
+    N3(Cross_Promotion)
+    N4{Direct Messaging Strategy}
+    N5[[Scheduling Posts]]
+    N6[[Performance Analytics]]
+    N7[/Customer Service on Social Media/]
+    N8(Content Moderation)
+    N9[[Personal Branding on Social Media]]
+    N10([end])
+    N0 --> |supports customers| N1
+    N1 --> N2
+    N2 --> |shares links| N3
+    N3 -.-> |builds personal brands| N4
+    N4 --> |explores new features| N5
+    N5 -.-> |produces reels| N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> |runs ads| N9
+    N9 --> N10
+    N5 --> N7
+    style N0 fill:#EBEBEB,stroke:#E0E0E0
+    style N1 fill:#EBEBEB,stroke:#E0E0E0
+    style N2 fill:#FFCDD2,stroke:#F44336
+    style N3 fill:#FFFDE7,stroke:#FFF176
+    style N4 fill:#FFFDE7,stroke:#FFF176
+    style N5 fill:#FFCDD2,stroke:#F44336
+    style N6 fill:#FFCDD2,stroke:#F44336
+    style N7 fill:#FFFDE7,stroke:#FFF176
+    style N8 fill:#FFFDE7,stroke:#FFF176
+    style N9 fill:#EBEBEB,stroke:#E0E0E0
+    style N10 fill:#FFCDD2,stroke:#F44336
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_228.mmd b/test/mermaid/easy/mermaid_228.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..92ac79bd6c3526c95afd7c2154cda8a8a8b6fa06
--- /dev/null
+++ b/test/mermaid/easy/mermaid_228.mmd
@@ -0,0 +1,52 @@
+graph LR
+    N0([start])
+    N1[/Content Creation/]
+    N2(Polls and Quizzes Creation)
+    N3([Trend Monitoring])
+    N4[Brand Voice Development]
+    N5[Reputation Management]
+    N6[User_Generated Content Curation]
+    N7([Paid Social Media Advertising])
+    N8(Emerging Platform Exploration)
+    N9(Direct Messaging Strategy)
+    N10(Group Management)
+    N11([Hashtag Research])
+    N0 --> N1
+    N1 --> N2
+    N2 --> |creates content| N3
+    N3 --> |hosts live streams| N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> |develops strategies| N8
+    N8 --> |collaborates with influencers| N9
+    N9 -.-> |explores new features| N10
+    N10 -.-> |engages audiences| N11
+    N4 -.-> |selects platforms| N0
+    N3 -.-> |schedules posts| N6
+    style N0 fill:#E3F2FD,stroke:#64B5F6
+    style N1 fill:#F1F8FF,stroke:#42A5F5
+    style N2 fill:#FFEBEB,stroke:#FFC2C2
+    style N3 fill:#F1F8FF,stroke:#42A5F5
+    style N4 fill:#F1F8FF,stroke:#42A5F5
+    style N5 fill:#FFEBEB,stroke:#FFC2C2
+    style N6 fill:#E3F2FD,stroke:#64B5F6
+    style N7 fill:#FFEBEB,stroke:#FFC2C2
+    style N8 fill:#E3F2FD,stroke:#64B5F6
+    style N9 fill:#E3F2FD,stroke:#64B5F6
+    style N10 fill:#FFEBEB,stroke:#FFC2C2
+    style N11 fill:#F1F8FF,stroke:#42A5F5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#42A5F5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_229.mmd b/test/mermaid/easy/mermaid_229.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1911c53f29a646ed7fd94c8b7f13cfadf506f204
--- /dev/null
+++ b/test/mermaid/easy/mermaid_229.mmd
@@ -0,0 +1,38 @@
+graph LR
+    N0([start])
+    N1[Technical SEO]
+    N2(Crawling Websites)
+    N3{Off_Page SEO}
+    N4[[Competitor Keyword Analysis]]
+    N5(Search Engine Optimization)
+    N6[Content Quality Assessment]
+    N7(Keyword Research)
+    N8(Mobile_First Indexing)
+    N9([Negative SEO Prevention])
+    N10[(Core Web Vitals Optimization)]
+    N11([end])
+    N0 --> N1
+    N1 --> N2
+    N2 --> |yes| N3
+    N3 --> |no| N4
+    N4 -.-> N5
+    N5 --> |no| N6
+    N6 -.-> |no| N7
+    N7 --> |no| N8
+    N8 -.-> |no| N9
+    N9 -.-> N10
+    N10 --> N11
+    N10 -.-> |yes| N3
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#AF56A6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_229.txt b/test/mermaid/easy/mermaid_229.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2e30d69048e7ab76771bbcbd38deef202a443602
--- /dev/null
+++ b/test/mermaid/easy/mermaid_229.txt
@@ -0,0 +1,12 @@
+<Competitor Keyword Analysis, connectedTo, Search Engine Optimization>
+<Content Quality Assessment, no, Keyword Research>
+<Core Web Vitals Optimization, connectedTo, end>
+<Core Web Vitals Optimization, yes, Off_Page SEO>
+<Crawling Websites, yes, Off_Page SEO>
+<Keyword Research, no, Mobile_First Indexing>
+<Mobile_First Indexing, no, Negative SEO Prevention>
+<Negative SEO Prevention, connectedTo, Core Web Vitals Optimization>
+<Off_Page SEO, no, Competitor Keyword Analysis>
+<Search Engine Optimization, no, Content Quality Assessment>
+<Technical SEO, connectedTo, Crawling Websites>
+<start, connectedTo, Technical SEO>
diff --git a/test/mermaid/easy/mermaid_23.mmd b/test/mermaid/easy/mermaid_23.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..4d04871dab99c1e6612fb917be8e976b3c577441
--- /dev/null
+++ b/test/mermaid/easy/mermaid_23.mmd
@@ -0,0 +1,44 @@
+graph LR
+    N0([start])
+    N1[(Legal Aid Assistance)]
+    N2([Discovery Process])
+    N3(Enforcement)
+    N4([Document Drafting])
+    N5(Bankruptcy Filing)
+    N6([Patent Application])
+    N7[(Corporate Formation)]
+    N8[Witness Testimony]
+    N9([Pro Bono Work])
+    N0 --> |defends| N1
+    N1 -.-> |protects| N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> |executes| N5
+    N5 -.-> |submits| N6
+    N6 --> |enforces| N7
+    N7 -.-> |prosecutes| N8
+    N8 --> |interprets| N9
+    N8 --> N5
+    N9 --> N2
+    style N0 fill:#DED7F0,stroke:#A188DB
+    style N1 fill:#F5F5F5,stroke:#BDBDBD
+    style N2 fill:#DED7F0,stroke:#A188DB
+    style N3 fill:#DED7F0,stroke:#A188DB
+    style N4 fill:#FCE4EC,stroke:#E91E63
+    style N5 fill:#F5F5F5,stroke:#BDBDBD
+    style N6 fill:#FCE4EC,stroke:#E91E63
+    style N7 fill:#F5F5F5,stroke:#BDBDBD
+    style N8 fill:#F5F5F5,stroke:#BDBDBD
+    style N9 fill:#FCE4EC,stroke:#E91E63
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#BDBDBD,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_23.txt b/test/mermaid/easy/mermaid_23.txt
new file mode 100644
index 0000000000000000000000000000000000000000..21914ac6f32f8cd013043e2ef9f799cfa08fc5b1
--- /dev/null
+++ b/test/mermaid/easy/mermaid_23.txt
@@ -0,0 +1,11 @@
+<Bankruptcy Filing, submits, Patent Application>
+<Corporate Formation, prosecutes, Witness Testimony>
+<Discovery Process, connectedTo, Enforcement>
+<Document Drafting, executes, Bankruptcy Filing>
+<Enforcement, connectedTo, Document Drafting>
+<Legal Aid Assistance, protects, Discovery Process>
+<Patent Application, enforces, Corporate Formation>
+<Pro Bono Work, connectedTo, Discovery Process>
+<Witness Testimony, connectedTo, Bankruptcy Filing>
+<Witness Testimony, interprets, Pro Bono Work>
+<start, defends, Legal Aid Assistance>
diff --git a/test/mermaid/easy/mermaid_231.mmd b/test/mermaid/easy/mermaid_231.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..832d0a6611399d26a350179f3f9581cd794b130d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_231.mmd
@@ -0,0 +1,35 @@
+graph BT
+    N0([start])
+    N1(Negative SEO Prevention)
+    N2([Shopping Search])
+    N3(On_Page SEO)
+    N4(International SEO)
+    N5([Local SEO])
+    N6(Crawling Websites)
+    N7(Featured Snippets Optimization)
+    N8{Search Engine Optimization}
+    N9[Site Architecture Optimization]
+    N10([end])
+    N0 --> |no| N1
+    N1 --> |yes| N2
+    N2 --> |no| N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> |no| N6
+    N6 -.-> |yes| N7
+    N7 -.-> |no| N8
+    N8 --> |yes| N9
+    N9 --> N10
+    N2 --> |no| N4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#00BCD4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_231.txt b/test/mermaid/easy/mermaid_231.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8f768908f68593dd8a7cf34e4a52e5fbadfdd446
--- /dev/null
+++ b/test/mermaid/easy/mermaid_231.txt
@@ -0,0 +1,11 @@
+<Crawling Websites, yes, Featured Snippets Optimization>
+<Featured Snippets Optimization, no, Search Engine Optimization>
+<International SEO, connectedTo, Local SEO>
+<Local SEO, no, Crawling Websites>
+<Negative SEO Prevention, yes, Shopping Search>
+<On_Page SEO, connectedTo, International SEO>
+<Search Engine Optimization, yes, Site Architecture Optimization>
+<Shopping Search, no, International SEO>
+<Shopping Search, no, On_Page SEO>
+<Site Architecture Optimization, connectedTo, end>
+<start, no, Negative SEO Prevention>
diff --git a/test/mermaid/easy/mermaid_232.txt b/test/mermaid/easy/mermaid_232.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a56487400cff2663ad54da38be2a7ac78b968949
--- /dev/null
+++ b/test/mermaid/easy/mermaid_232.txt
@@ -0,0 +1,13 @@
+<API Security for Identity, connectedTo, Portable Identities>
+<Credential Management, ensures privacy, Privileged Access Management>
+<Data Minimization Principles, de_provisions users, Password Management>
+<Digital Signatures, connectedTo, Verifiable Credentials>
+<Digital Wallets for Identity, connectedTo, Identity Threat Detection and Response>
+<Identity Threat Detection and Response, connectedTo, Digital Signatures>
+<Identity Threat Detection and Response, implements adaptive authentication, Workforce Identity Management>
+<Password Management, implements PAM, Digital Signatures>
+<Privileged Access Management, manages credentials, Workforce Identity Management>
+<Privileged Access Management, registers identities, Digital Wallets for Identity>
+<User Provisioning, manages consents, API Security for Identity>
+<Verifiable Credentials, connectedTo, Credential Management>
+<Workforce Identity Management, connectedTo, User Provisioning>
diff --git a/test/mermaid/easy/mermaid_233.mmd b/test/mermaid/easy/mermaid_233.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..58a56d82c2c79c4161a8416b8ba01975c09faae6
--- /dev/null
+++ b/test/mermaid/easy/mermaid_233.mmd
@@ -0,0 +1,38 @@
+graph RL
+    N0([start])
+    N1(Biometric Authentication)
+    N2[Workforce Identity Management]
+    N3([Access Governance])
+    N4[[Identity Lifecycle Management]]
+    N5[De_provisioning]
+    N6([Federated Identity Management])
+    N7[Blockchain_based Identity]
+    N8([Identity Proofing])
+    N9[[Adaptive Authentication]]
+    N10[/Identity Threat Detection and Response/]
+    N11([end])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> |yes| N3
+    N3 --> N4
+    N4 --> |yes| N5
+    N5 -.-> |yes| N6
+    N6 -.-> N7
+    N7 -.-> |no| N8
+    N8 --> |no| N9
+    N9 --> |no| N10
+    N10 --> |no| N11
+    N3 --> |no| N10
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#92C79A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_234.txt b/test/mermaid/easy/mermaid_234.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3ff9811f4ffa8361559f45043407e00e3812572d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_234.txt
@@ -0,0 +1,9 @@
+<Authorization, manages consents, KYC Integration>
+<Biometric Authentication, connectedTo, Digital Signatures>
+<Consent Management, manages credentials, Biometric Authentication>
+<Data Encryption for Identity, connectedTo, Biometric Authentication>
+<Data Encryption for Identity, connectedTo, Privacy Management>
+<De_provisioning, provisions users, end>
+<Digital Signatures, manages workforces, De_provisioning>
+<KYC Integration, provides IDaaS, Consent Management>
+<Privacy Management, stores attributes, Authorization>
diff --git a/test/mermaid/easy/mermaid_235.mmd b/test/mermaid/easy/mermaid_235.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..69449fa6bf7ee3b928cd69e72f2b32d361d30ff0
--- /dev/null
+++ b/test/mermaid/easy/mermaid_235.mmd
@@ -0,0 +1,34 @@
+graph LR
+    N0([Student Engagement Strategies])
+    N1[/Learning Analytics/]
+    N2[Collaborative Projects]
+    N3[[Open Educational Resources Integration]]
+    N4([Assessment Design])
+    N5[Test Preparation Courses]
+    N6(Parent or Guardian Communication)
+    N7([end])
+    N0 -.-> |administers assessments| N1
+    N1 -.-> |analyzes learning data| N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> |personalizes learning| N5
+    N5 --> |hosts MOOCs| N6
+    N6 --> N7
+    N0 --> N6
+    style N0 fill:#FFCCBC,stroke:#FF5722
+    style N1 fill:#D0EFEE,stroke:#73C6BC
+    style N2 fill:#FFCCBC,stroke:#FF5722
+    style N3 fill:#C8E6C9,stroke:#4CAF50
+    style N4 fill:#FFCCBC,stroke:#FF5722
+    style N5 fill:#FFCCBC,stroke:#FF5722
+    style N6 fill:#D0EFEE,stroke:#73C6BC
+    style N7 fill:#C8E6C9,stroke:#4CAF50
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#4CAF50,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_235.txt b/test/mermaid/easy/mermaid_235.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bc4d7251ca8e911c7a53133968eb19a6cf2fefe7
--- /dev/null
+++ b/test/mermaid/easy/mermaid_235.txt
@@ -0,0 +1,8 @@
+<Assessment Design, personalizes learning, Test Preparation Courses>
+<Collaborative Projects, connectedTo, Open Educational Resources Integration>
+<Learning Analytics, analyzes learning data, Collaborative Projects>
+<Open Educational Resources Integration, connectedTo, Assessment Design>
+<Parent or Guardian Communication, connectedTo, end>
+<Student Engagement Strategies, administers assessments, Learning Analytics>
+<Student Engagement Strategies, connectedTo, Parent or Guardian Communication>
+<Test Preparation Courses, hosts MOOCs, Parent or Guardian Communication>
diff --git a/test/mermaid/easy/mermaid_236.mmd b/test/mermaid/easy/mermaid_236.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..4dd10e34a05ce8622c345122cd3966e8ae2c057f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_236.mmd
@@ -0,0 +1,46 @@
+graph BT
+    N0([Bootcamp Development])
+    N1(Accessibility Features)
+    N2[(Technical Support for Students)]
+    N3[Language Learning Platforms]
+    N4[/Curriculum Development/]
+    N5([Student Progress Tracking])
+    N6{Open Educational Resources Integration}
+    N7[Enrollment and Retention Strategies]
+    N8{Test Preparation Courses}
+    N9[[Instructor Training]]
+    N10([end])
+    N0 -.-> N1
+    N1 -.-> |uses AR or VR for learning| N2
+    N2 --> |engages parents| N3
+    N3 --> |integrates AI| N4
+    N4 --> |gamifies experiences| N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> |ensures accessibility| N8
+    N8 --> N9
+    N9 -.-> N10
+    N1 --> |develops educational apps| N4
+    style N0 fill:#ECF0FD,stroke:#B8C0F5
+    style N1 fill:#ECF0FD,stroke:#B8C0F5
+    style N2 fill:#EDF5F3,stroke:#A1D7CD
+    style N3 fill:#ECF0FD,stroke:#B8C0F5
+    style N4 fill:#E3F2FD,stroke:#64B5F6
+    style N5 fill:#EDF5F3,stroke:#A1D7CD
+    style N6 fill:#EDF5F3,stroke:#A1D7CD
+    style N7 fill:#ECF0FD,stroke:#B8C0F5
+    style N8 fill:#ECF0FD,stroke:#B8C0F5
+    style N9 fill:#ECF0FD,stroke:#B8C0F5
+    style N10 fill:#ECF0FD,stroke:#B8C0F5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#B8C0F5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_236.txt b/test/mermaid/easy/mermaid_236.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9ac6f284dca3718ff22345a3fa51b7b82fcb4d30
--- /dev/null
+++ b/test/mermaid/easy/mermaid_236.txt
@@ -0,0 +1,11 @@
+<Accessibility Features, develops educational apps, Curriculum Development>
+<Accessibility Features, uses AR or VR for learning, Technical Support for Students>
+<Bootcamp Development, connectedTo, Accessibility Features>
+<Curriculum Development, gamifies experiences, Student Progress Tracking>
+<Enrollment and Retention Strategies, ensures accessibility, Test Preparation Courses>
+<Instructor Training, connectedTo, end>
+<Language Learning Platforms, integrates AI, Curriculum Development>
+<Open Educational Resources Integration, connectedTo, Enrollment and Retention Strategies>
+<Student Progress Tracking, connectedTo, Open Educational Resources Integration>
+<Technical Support for Students, engages parents, Language Learning Platforms>
+<Test Preparation Courses, connectedTo, Instructor Training>
diff --git a/test/mermaid/easy/mermaid_239.txt b/test/mermaid/easy/mermaid_239.txt
new file mode 100644
index 0000000000000000000000000000000000000000..40261b6f14dc992c3b99e322c007ca23f59bfb30
--- /dev/null
+++ b/test/mermaid/easy/mermaid_239.txt
@@ -0,0 +1,12 @@
+<Career Pathway Mapping, connectedTo, Certificate of Completion Issuance>
+<Certificate of Completion Issuance, connectedTo, Technical Infrastructure for Scale>
+<Content Licensing, no, end>
+<Corporate Training Solutions, yes, Research on MOOC Effectiveness>
+<Course Retirement Planning, yes, Content Licensing>
+<Engagement Metrics Tracking, yes, Course Retirement Planning>
+<Research on MOOC Effectiveness, connectedTo, Skill_Based Learning Outcomes>
+<Skill_Based Learning Outcomes, connectedTo, Technical Infrastructure for Scale>
+<Skill_Based Learning Outcomes, yes, Engagement Metrics Tracking>
+<Technical Infrastructure for Scale, connectedTo, Career Pathway Mapping>
+<Technical Infrastructure for Scale, connectedTo, Corporate Training Solutions>
+<start, yes, Career Pathway Mapping>
diff --git a/test/mermaid/easy/mermaid_24.mmd b/test/mermaid/easy/mermaid_24.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..942e48cefc5a9aefb4cfa65d0bfa906e9f1774d2
--- /dev/null
+++ b/test/mermaid/easy/mermaid_24.mmd
@@ -0,0 +1,40 @@
+graph LR
+    N0([start])
+    N1[Copyright Infringement]
+    N2([Trademark Registration])
+    N3(Case Filing)
+    N4(Legal Aid Assistance)
+    N5(Sentencing)
+    N6[Jury Selection]
+    N7[/Child Custody/]
+    N8[[Intel Property Licensing]]
+    N9[Bail Hearing]
+    N10(Amicus Brief Submission)
+    N11([end])
+    N0 --> |yes| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> |yes| N6
+    N6 --> N7
+    N7 -.-> |no| N8
+    N8 -.-> N9
+    N9 --> |yes| N10
+    N10 -.-> N11
+    N2 --> N9
+    N11 -.-> |no| N1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#6FE1D5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_24.txt b/test/mermaid/easy/mermaid_24.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b7b1257b6586e836ee896c4bbbb157b486d3dd5b
--- /dev/null
+++ b/test/mermaid/easy/mermaid_24.txt
@@ -0,0 +1,13 @@
+<Amicus Brief Submission, connectedTo, end>
+<Bail Hearing, yes, Amicus Brief Submission>
+<Case Filing, connectedTo, Legal Aid Assistance>
+<Child Custody, no, Intel Property Licensing>
+<Copyright Infringement, connectedTo, Trademark Registration>
+<Intel Property Licensing, connectedTo, Bail Hearing>
+<Jury Selection, connectedTo, Child Custody>
+<Legal Aid Assistance, connectedTo, Sentencing>
+<Sentencing, yes, Jury Selection>
+<Trademark Registration, connectedTo, Bail Hearing>
+<Trademark Registration, connectedTo, Case Filing>
+<end, no, Copyright Infringement>
+<start, yes, Copyright Infringement>
diff --git a/test/mermaid/easy/mermaid_241.mmd b/test/mermaid/easy/mermaid_241.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c670010f281ffd209c8fa95bf59073f41e24a70a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_241.mmd
@@ -0,0 +1,50 @@
+graph LR
+    N0([AI_Powered Tutoring])
+    N1[Study Group Facilitation]
+    N2[(Study Material Design)]
+    N3([Performance Feedback])
+    N4([Practice Test Creation])
+    N5[[Mock Exam Administration]]
+    N6(Reading Comprehension Drills)
+    N7([Tutoring Session])
+    N8(Personalized Study Plans)
+    N9[/Student Progress Tracking/]
+    N10{Score Analysis}
+    N11([Diagnostic Assessment])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> |diagnoses| N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> |licenses| N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> |provides| N9
+    N9 -.-> |personalizes| N10
+    N10 -.-> |counsels| N11
+    N11 -.-> N4
+    style N0 fill:#FFCDD2,stroke:#F44336
+    style N1 fill:#FFCDD2,stroke:#F44336
+    style N2 fill:#FFCDD2,stroke:#F44336
+    style N3 fill:#FFCDD2,stroke:#F44336
+    style N4 fill:#DDCEDD,stroke:#AF56A6
+    style N5 fill:#DDCEDD,stroke:#AF56A6
+    style N6 fill:#FFCDD2,stroke:#F44336
+    style N7 fill:#FFCDD2,stroke:#F44336
+    style N8 fill:#DDCEDD,stroke:#AF56A6
+    style N9 fill:#FFCDD2,stroke:#F44336
+    style N10 fill:#DDCEDD,stroke:#AF56A6
+    style N11 fill:#DDCEDD,stroke:#AF56A6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_241.txt b/test/mermaid/easy/mermaid_241.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c1b1e21d84fb8e9297134694365227cdc7cce298
--- /dev/null
+++ b/test/mermaid/easy/mermaid_241.txt
@@ -0,0 +1,12 @@
+<AI_Powered Tutoring, connectedTo, Study Group Facilitation>
+<Diagnostic Assessment, connectedTo, Practice Test Creation>
+<Mock Exam Administration, licenses, Reading Comprehension Drills>
+<Performance Feedback, connectedTo, Practice Test Creation>
+<Personalized Study Plans, provides, Student Progress Tracking>
+<Practice Test Creation, connectedTo, Mock Exam Administration>
+<Reading Comprehension Drills, connectedTo, Tutoring Session>
+<Score Analysis, counsels, Diagnostic Assessment>
+<Student Progress Tracking, personalizes, Score Analysis>
+<Study Group Facilitation, connectedTo, Study Material Design>
+<Study Material Design, diagnoses, Performance Feedback>
+<Tutoring Session, connectedTo, Personalized Study Plans>
diff --git a/test/mermaid/easy/mermaid_242.mmd b/test/mermaid/easy/mermaid_242.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b3d3e166e796947ce33ff2303053686890f6711b
--- /dev/null
+++ b/test/mermaid/easy/mermaid_242.mmd
@@ -0,0 +1,37 @@
+graph LR
+    N0([start])
+    N1[Video Lecture Production]
+    N2(Mock Exam Administration)
+    N3[Study Material Design]
+    N4{Stress Management for Exams}
+    N5[[Professional Licensure Exam Prep]]
+    N6[Flashcard Creation]
+    N7[Test_Taking Strategies]
+    N8([Time Management Coaching])
+    N9(Curriculum Development)
+    N10([end])
+    N0 -.-> |no| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> |yes| N4
+    N4 --> N5
+    N5 --> |no| N6
+    N6 --> |yes| N7
+    N7 -.-> |yes| N8
+    N8 -.-> |yes| N9
+    N9 -.-> |yes| N10
+    N9 -.-> |yes| N1
+    N1 -.-> N6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#3F51B5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_243.mmd b/test/mermaid/easy/mermaid_243.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..77f14177cbbc79ef7bb0fbabacabd7b59947a626
--- /dev/null
+++ b/test/mermaid/easy/mermaid_243.mmd
@@ -0,0 +1,38 @@
+graph BT
+    N0([Stress Management for Exams])
+    N1[(Science Concept Review)]
+    N2{Critical Thinking Development}
+    N3[/Student Progress Tracking/]
+    N4([Score Analysis])
+    N5[Test_Taking Strategies]
+    N6[(Practice Test Creation)]
+    N7{Study Material Design}
+    N8([Diagnostic Assessment])
+    N0 --> N1
+    N1 -.-> |personalizes| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> |monitors| N5
+    N5 --> N6
+    N6 --> |motivates| N7
+    N7 --> N8
+    N5 -.-> |automates| N0
+    style N0 fill:#F8BBD0,stroke:#E91E63
+    style N1 fill:#F8BBD0,stroke:#E91E63
+    style N2 fill:#FFEBEB,stroke:#FFC2C2
+    style N3 fill:#F8BBD0,stroke:#E91E63
+    style N4 fill:#FFEBEB,stroke:#FFC2C2
+    style N5 fill:#F8BBD0,stroke:#E91E63
+    style N6 fill:#FFEBEB,stroke:#FFC2C2
+    style N7 fill:#FFEBEB,stroke:#FFC2C2
+    style N8 fill:#F8BBD0,stroke:#E91E63
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E91E63,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_244.txt b/test/mermaid/easy/mermaid_244.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f5001507a5663ccd1b7da0ea20ae039cbf25ffdd
--- /dev/null
+++ b/test/mermaid/easy/mermaid_244.txt
@@ -0,0 +1,11 @@
+<Certification Exam Preparation, connectedTo, Interactive Dialogues>
+<Contextual Learning, practices, Reading Comprehension>
+<Error Correction Feedback, interacts, Language for Specific Purposes>
+<Immersion Programs, connectedTo, Language Exchange Programs>
+<Immersion Programs, tracks, Certification Exam Preparation>
+<Interactive Dialogues, connectedTo, Speaking Practice>
+<Language Exchange Programs, evaluates, start>
+<Language for Specific Purposes, learns, Immersion Programs>
+<Reading Comprehension, connectedTo, Error Correction Feedback>
+<Speaking Practice, reads, Language Exchange Programs>
+<start, connectedTo, Contextual Learning>
diff --git a/test/mermaid/easy/mermaid_245.mmd b/test/mermaid/easy/mermaid_245.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..3447284c9cbb19b17175228aaad4761ae9b381ad
--- /dev/null
+++ b/test/mermaid/easy/mermaid_245.mmd
@@ -0,0 +1,36 @@
+graph RL
+    N0([start])
+    N1([Virtual Reality Language Environments])
+    N2(Translation Exercises)
+    N3[Writing Exercises]
+    N4[Certification Exam Preparation]
+    N5([Native Speaker Interaction])
+    N6(Listening Comprehension)
+    N7([end])
+    N0 --> |converts| N1
+    N1 -.-> N2
+    N2 -.-> |practices| N3
+    N3 -.-> |teaches| N4
+    N4 -.-> N5
+    N5 --> |speaks| N6
+    N6 -.-> |interacts| N7
+    N5 -.-> N7
+    N1 --> |tracks| N0
+    style N0 fill:#E0E6E9,stroke:#AABEC6
+    style N1 fill:#E0E6E9,stroke:#AABEC6
+    style N2 fill:#C8E6C9,stroke:#388E3C
+    style N3 fill:#E0E6E9,stroke:#AABEC6
+    style N4 fill:#C8E6C9,stroke:#388E3C
+    style N5 fill:#C8E6C9,stroke:#388E3C
+    style N6 fill:#E0E6E9,stroke:#AABEC6
+    style N7 fill:#FFF0CC,stroke:#FFCC80
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#AABEC6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_247.mmd b/test/mermaid/easy/mermaid_247.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..7f2650c87265f62ff13a512e7d9f4e1af5e66341
--- /dev/null
+++ b/test/mermaid/easy/mermaid_247.mmd
@@ -0,0 +1,29 @@
+graph BT
+    N0([start])
+    N1([Trauma Therapy])
+    N2[(Art Therapy)]
+    N3(Suicide Prevention)
+    N4([Diagnosis and Assessment])
+    N5([Medication Management])
+    N6[Digital Mental Health Tools]
+    N7[Coping Skill Development]
+    N8([end])
+    N0 --> |yes| N1
+    N1 -.-> |no| N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> |yes| N6
+    N6 --> |yes| N7
+    N7 -.-> N8
+    N2 --> |yes| N4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFE470,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_247.txt b/test/mermaid/easy/mermaid_247.txt
new file mode 100644
index 0000000000000000000000000000000000000000..745dfc929ce1a7e78501b3c25bb7dbdc512f582a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_247.txt
@@ -0,0 +1,9 @@
+<Art Therapy, connectedTo, Suicide Prevention>
+<Art Therapy, yes, Diagnosis and Assessment>
+<Coping Skill Development, connectedTo, end>
+<Diagnosis and Assessment, connectedTo, Medication Management>
+<Digital Mental Health Tools, yes, Coping Skill Development>
+<Medication Management, yes, Digital Mental Health Tools>
+<Suicide Prevention, connectedTo, Diagnosis and Assessment>
+<Trauma Therapy, no, Art Therapy>
+<start, yes, Trauma Therapy>
diff --git a/test/mermaid/easy/mermaid_249.mmd b/test/mermaid/easy/mermaid_249.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..9d3dd98106be6dc26c2eb27c0c745868db8f76a7
--- /dev/null
+++ b/test/mermaid/easy/mermaid_249.mmd
@@ -0,0 +1,35 @@
+graph RL
+    N0([start])
+    N1(Support Group Facilitation)
+    N2[Art Therapy]
+    N3[/Family Therapy/]
+    N4(Trauma Therapy)
+    N5[[Group Therapy]]
+    N6([Relapse Prevention])
+    N7[Child & Adolescent Therapy]
+    N8([Digital Mental Health Tools])
+    N9[/Post_Traumatic Stress Disorder Support/]
+    N10([end])
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> |no| N5
+    N5 --> |yes| N6
+    N6 --> |yes| N7
+    N7 --> N8
+    N8 -.-> |no| N9
+    N9 -.-> N10
+    N1 -.-> |no| N9
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#81C784,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_250.mmd b/test/mermaid/easy/mermaid_250.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..695714e99cd8f4028508a97297bbc1b696f31f91
--- /dev/null
+++ b/test/mermaid/easy/mermaid_250.mmd
@@ -0,0 +1,34 @@
+graph BT
+    N0([start])
+    N1{Gut Microbiome Health}
+    N2[(Food Preparation Guidance)]
+    N3{Maternal Nutrition}
+    N4{Inflammation and Diet}
+    N5[Meal Planning]
+    N6(Child Nutrition)
+    N7([end])
+    N0 -.-> |sources| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> |tests| N5
+    N5 -.-> |supports| N6
+    N6 --> |improves| N7
+    N4 --> |researches| N6
+    style N0 fill:#FCE4EC,stroke:#F06292
+    style N1 fill:#FCE4EC,stroke:#F06292
+    style N2 fill:#FCE4EC,stroke:#F06292
+    style N3 fill:#F0F4C3,stroke:#AED581
+    style N4 fill:#FCE4EC,stroke:#F06292
+    style N5 fill:#F0F4C3,stroke:#AED581
+    style N6 fill:#DFE7EB,stroke:#B0C5CD
+    style N7 fill:#DFE7EB,stroke:#B0C5CD
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_251.txt b/test/mermaid/easy/mermaid_251.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b9cdafea507f5c1cb0a03ac39670982449d33701
--- /dev/null
+++ b/test/mermaid/easy/mermaid_251.txt
@@ -0,0 +1,10 @@
+<Child Nutrition, filters, Public Health Nutrition Programs>
+<Food Fortification Strategies, connectedTo, Restaurant Menu Analysis>
+<Food Fortification Strategies, develops, Child Nutrition>
+<Food Label Interpretation, connectedTo, Personalized Nutrition Plans>
+<Food Safety Education, connectedTo, Micronutrient Analysis>
+<Micronutrient Analysis, balances, Food Fortification Strategies>
+<Personalized Nutrition Plans, optimizes, Food Safety Education>
+<Public Health Nutrition Programs, connectedTo, Restaurant Menu Analysis>
+<Restaurant Menu Analysis, connectedTo, Sports Nutrition>
+<Sports Nutrition, connectedTo, Grocery Shopping Guidance>
diff --git a/test/mermaid/easy/mermaid_254.mmd b/test/mermaid/easy/mermaid_254.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..8ad823cbfe9eeed1eab9b9f189caf19fa42f2120
--- /dev/null
+++ b/test/mermaid/easy/mermaid_254.mmd
@@ -0,0 +1,42 @@
+graph BT
+    N0([start])
+    N1[[Personalized Exercise Prescriptions]]
+    N2[[Running Coaching]]
+    N3([Core Strengthening])
+    N4(Group Fitness Classes)
+    N5(Cardiovascular Training)
+    N6[[Motivation and Goal Setting]]
+    N7(Online Fitness Coaching)
+    N8[[Hydration for Exercise]]
+    N9([Cross_Training])
+    N0 --> |analyzes| N1
+    N1 --> N2
+    N2 -.-> |sells| N3
+    N3 --> |conditions| N4
+    N4 --> |educates| N5
+    N5 -.-> |plans| N6
+    N6 --> |prevents| N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N0 -.-> N8
+    style N0 fill:#D3F7F9,stroke:#80DDEA
+    style N1 fill:#D3F7F9,stroke:#80DDEA
+    style N2 fill:#EDF5F3,stroke:#A1D7CD
+    style N3 fill:#D3F7F9,stroke:#80DDEA
+    style N4 fill:#D3F7F9,stroke:#80DDEA
+    style N5 fill:#CFD8DC,stroke:#607D8B
+    style N6 fill:#CFD8DC,stroke:#607D8B
+    style N7 fill:#EDF5F3,stroke:#A1D7CD
+    style N8 fill:#D3F7F9,stroke:#80DDEA
+    style N9 fill:#CFD8DC,stroke:#607D8B
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#607D8B,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_254.txt b/test/mermaid/easy/mermaid_254.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d0b010fb132c87901c3c0585623965f8a4955145
--- /dev/null
+++ b/test/mermaid/easy/mermaid_254.txt
@@ -0,0 +1,10 @@
+<Cardiovascular Training, plans, Motivation and Goal Setting>
+<Core Strengthening, conditions, Group Fitness Classes>
+<Group Fitness Classes, educates, Cardiovascular Training>
+<Hydration for Exercise, connectedTo, Cross_Training>
+<Motivation and Goal Setting, prevents, Online Fitness Coaching>
+<Online Fitness Coaching, connectedTo, Hydration for Exercise>
+<Personalized Exercise Prescriptions, connectedTo, Running Coaching>
+<Running Coaching, sells, Core Strengthening>
+<start, analyzes, Personalized Exercise Prescriptions>
+<start, connectedTo, Hydration for Exercise>
diff --git a/test/mermaid/easy/mermaid_255.mmd b/test/mermaid/easy/mermaid_255.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0794ce4ea4ff2c59f679b335c550a04a2fc45320
--- /dev/null
+++ b/test/mermaid/easy/mermaid_255.mmd
@@ -0,0 +1,29 @@
+graph RL
+    N0([start])
+    N1([Rehabilitation Exercises])
+    N2{Corporate Wellness Programs}
+    N3[(Mind_Body Connection)]
+    N4[(Motivation and Goal Setting)]
+    N5([Virtual Fitness Classes])
+    N6(Community Fitness Challenges)
+    N7(Hydration for Exercise)
+    N8([end])
+    N0 --> |yes| N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> |no| N4
+    N4 -.-> |no| N5
+    N5 --> |no| N6
+    N6 --> N7
+    N7 -.-> N8
+    N0 --> |yes| N4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#9FA9E1,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_255.txt b/test/mermaid/easy/mermaid_255.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c8cf467acbe1779488304cfda986f84fdcabc51f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_255.txt
@@ -0,0 +1,9 @@
+<Community Fitness Challenges, connectedTo, Hydration for Exercise>
+<Corporate Wellness Programs, connectedTo, Mind_Body Connection>
+<Hydration for Exercise, connectedTo, end>
+<Mind_Body Connection, no, Motivation and Goal Setting>
+<Motivation and Goal Setting, no, Virtual Fitness Classes>
+<Rehabilitation Exercises, connectedTo, Corporate Wellness Programs>
+<Virtual Fitness Classes, no, Community Fitness Challenges>
+<start, yes, Motivation and Goal Setting>
+<start, yes, Rehabilitation Exercises>
diff --git a/test/mermaid/easy/mermaid_256.mmd b/test/mermaid/easy/mermaid_256.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..178c0145cd011c30cdbae5e6e5af36b91a4a3afe
--- /dev/null
+++ b/test/mermaid/easy/mermaid_256.mmd
@@ -0,0 +1,44 @@
+graph TD
+    N0([start])
+    N1[[Personal Growth Planning]]
+    N2(Burnout Prevention)
+    N3[/Breathwork Exercises/]
+    N4[Meditation Coaching]
+    N5[Financial Wellness Planning]
+    N6[Alternative Therapies]
+    N7([Community Wellness Programs])
+    N8(Work_Life Balance Coaching)
+    N9([end])
+    N0 -.-> N1
+    N1 --> |researches| N2
+    N2 -.-> |monitors| N3
+    N3 -.-> N4
+    N4 --> |plans| N5
+    N5 --> |assesses| N6
+    N6 --> N7
+    N7 --> |connects| N8
+    N8 -.-> N9
+    N2 --> |meditates| N4
+    N0 -.-> N5
+    style N0 fill:#DED7F0,stroke:#A188DB
+    style N1 fill:#DED7F0,stroke:#A188DB
+    style N2 fill:#C9F0F0,stroke:#4DD0E1
+    style N3 fill:#E8EAF6,stroke:#5C6BC0
+    style N4 fill:#DED7F0,stroke:#A188DB
+    style N5 fill:#C9F0F0,stroke:#4DD0E1
+    style N6 fill:#E8EAF6,stroke:#5C6BC0
+    style N7 fill:#DED7F0,stroke:#A188DB
+    style N8 fill:#DED7F0,stroke:#A188DB
+    style N9 fill:#E8EAF6,stroke:#5C6BC0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#5C6BC0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_257.txt b/test/mermaid/easy/mermaid_257.txt
new file mode 100644
index 0000000000000000000000000000000000000000..82464f80de563c9ade791902d09a7c512bc81ffc
--- /dev/null
+++ b/test/mermaid/easy/mermaid_257.txt
@@ -0,0 +1,11 @@
+<Alternative Therapies, educates, Nutrition Guidance>
+<Aromatherapy Usage, connectedTo, Alternative Therapies>
+<Aromatherapy Usage, connectedTo, Physical Activity Planning>
+<Breathwork Exercises, connectedTo, Gratitude Practice>
+<Digital Detox, motivates, Environmental Wellness>
+<Environmental Wellness, develops, Social Connection Enhancement>
+<Gratitude Practice, advises, Alternative Therapies>
+<Nutrition Guidance, connectedTo, Digital Detox>
+<Proactive Health Management, researches, Breathwork Exercises>
+<Social Connection Enhancement, licenses, Aromatherapy Usage>
+<start, certifies, Proactive Health Management>
diff --git a/test/mermaid/easy/mermaid_258.mmd b/test/mermaid/easy/mermaid_258.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..81240aec3dd9c1193ae7982d1e662ce8dcffea43
--- /dev/null
+++ b/test/mermaid/easy/mermaid_258.mmd
@@ -0,0 +1,26 @@
+graph RL
+    N0([start])
+    N1[(Chiropractic Care)]
+    N2[/Journaling for Wellness/]
+    N3(Resilience Building)
+    N4[/Acupuncture Consultation/]
+    N5[Gut Health for Wellness]
+    N6[/Positive Psychology Application/]
+    N7([end])
+    N0 -.-> |no| N1
+    N1 --> |no| N2
+    N2 --> N3
+    N3 --> |yes| N4
+    N4 --> |yes| N5
+    N5 --> N6
+    N6 --> |yes| N7
+    N7 -.-> N3
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF8A6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_258.txt b/test/mermaid/easy/mermaid_258.txt
new file mode 100644
index 0000000000000000000000000000000000000000..786ac42008e05d181d5d1471581675d585a18ace
--- /dev/null
+++ b/test/mermaid/easy/mermaid_258.txt
@@ -0,0 +1,8 @@
+<Acupuncture Consultation, yes, Gut Health for Wellness>
+<Chiropractic Care, no, Journaling for Wellness>
+<Gut Health for Wellness, connectedTo, Positive Psychology Application>
+<Journaling for Wellness, connectedTo, Resilience Building>
+<Positive Psychology Application, yes, end>
+<Resilience Building, yes, Acupuncture Consultation>
+<end, connectedTo, Resilience Building>
+<start, no, Chiropractic Care>
diff --git a/test/mermaid/easy/mermaid_259.mmd b/test/mermaid/easy/mermaid_259.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..defda97b5f5ee24f6359a58d8fe40dc948bce922
--- /dev/null
+++ b/test/mermaid/easy/mermaid_259.mmd
@@ -0,0 +1,44 @@
+graph RL
+    N0([start])
+    N1[Art and Accessory Curation]
+    N2[[Wall Treatment Selection]]
+    N3{Space Planning}
+    N4[[Office Space Design]]
+    N5[Living Room Design]
+    N6[/Concept Development/]
+    N7(Sustainable Design Practices)
+    N8[[Contractor Coordination]]
+    N9([end])
+    N0 --> N1
+    N1 --> |presents| N2
+    N2 -.-> |complies| N3
+    N3 -.-> |selects| N4
+    N4 --> |sketches| N5
+    N5 --> |lights| N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> |furnishes| N9
+    N2 --> N8
+    N6 --> N3
+    style N0 fill:#C8E6C9,stroke:#4CAF50
+    style N1 fill:#FCFCE7,stroke:#DCE775
+    style N2 fill:#C8E6C9,stroke:#4CAF50
+    style N3 fill:#FFEBEE,stroke:#E57373
+    style N4 fill:#FCFCE7,stroke:#DCE775
+    style N5 fill:#FFEBEE,stroke:#E57373
+    style N6 fill:#FFEBEE,stroke:#E57373
+    style N7 fill:#FFEBEE,stroke:#E57373
+    style N8 fill:#FFEBEE,stroke:#E57373
+    style N9 fill:#C8E6C9,stroke:#4CAF50
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#DCE775,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_259.txt b/test/mermaid/easy/mermaid_259.txt
new file mode 100644
index 0000000000000000000000000000000000000000..548303b8c4141be55368600bcc8510bca9ceea84
--- /dev/null
+++ b/test/mermaid/easy/mermaid_259.txt
@@ -0,0 +1,11 @@
+<Art and Accessory Curation, presents, Wall Treatment Selection>
+<Concept Development, connectedTo, Space Planning>
+<Concept Development, connectedTo, Sustainable Design Practices>
+<Contractor Coordination, furnishes, end>
+<Living Room Design, lights, Concept Development>
+<Office Space Design, sketches, Living Room Design>
+<Space Planning, selects, Office Space Design>
+<Sustainable Design Practices, connectedTo, Contractor Coordination>
+<Wall Treatment Selection, complies, Space Planning>
+<Wall Treatment Selection, connectedTo, Contractor Coordination>
+<start, connectedTo, Art and Accessory Curation>
diff --git a/test/mermaid/easy/mermaid_26.mmd b/test/mermaid/easy/mermaid_26.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..de6503d2e7f279528bdb4082c568b64cc1fca452
--- /dev/null
+++ b/test/mermaid/easy/mermaid_26.mmd
@@ -0,0 +1,52 @@
+graph RL
+    N0([start])
+    N1[(Customs Clearance)]
+    N2{Deconsolidation}
+    N3[/Hub Transfer/]
+    N4[Damage Reporting]
+    N5[/Freight Booking/]
+    N6(Supply Chain Visibility)
+    N7[Hazardous Material Transport]
+    N8(Warehouse Entry)
+    N9{Sorting Center}
+    N10[Ocean Freight Management]
+    N11([Carrier Selection])
+    N0 -.-> |expedites| N1
+    N1 -.-> |distributes| N2
+    N2 -.-> N3
+    N3 --> |packs| N4
+    N4 --> |coordinates| N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> |weighs| N8
+    N8 --> |stacks| N9
+    N9 -.-> N10
+    N10 --> N11
+    N4 --> |clears| N7
+    N3 --> |syncs| N7
+    style N0 fill:#F1F8E9,stroke:#81C784
+    style N1 fill:#FFFAE0,stroke:#FFE470
+    style N2 fill:#FFFAE0,stroke:#FFE470
+    style N3 fill:#B3E5FC,stroke:#03A9F4
+    style N4 fill:#B3E5FC,stroke:#03A9F4
+    style N5 fill:#F1F8E9,stroke:#81C784
+    style N6 fill:#B3E5FC,stroke:#03A9F4
+    style N7 fill:#F1F8E9,stroke:#81C784
+    style N8 fill:#F1F8E9,stroke:#81C784
+    style N9 fill:#F1F8E9,stroke:#81C784
+    style N10 fill:#FFFAE0,stroke:#FFE470
+    style N11 fill:#B3E5FC,stroke:#03A9F4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#81C784,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_261.txt b/test/mermaid/easy/mermaid_261.txt
new file mode 100644
index 0000000000000000000000000000000000000000..965d49c46e98069f055f9f36257611aadc2bfbc1
--- /dev/null
+++ b/test/mermaid/easy/mermaid_261.txt
@@ -0,0 +1,11 @@
+<Art and Accessory Curation, yes, end>
+<Building Code Compliance, connectedTo, Hospitality Interior Design>
+<Building Code Compliance, no, start>
+<Construction Documentation, connectedTo, Space Planning>
+<Custom Furniture Design, connectedTo, Construction Documentation>
+<Custom Furniture Design, connectedTo, Hospitality Interior Design>
+<Flooring Specification, yes, Custom Furniture Design>
+<Hospitality Interior Design, yes, Art and Accessory Curation>
+<Kitchen Design, yes, Building Code Compliance>
+<Space Planning, connectedTo, Kitchen Design>
+<start, connectedTo, Flooring Specification>
diff --git a/test/mermaid/easy/mermaid_262.mmd b/test/mermaid/easy/mermaid_262.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0a141bde11aa82684165a9a3386ca0a782a4a5e1
--- /dev/null
+++ b/test/mermaid/easy/mermaid_262.mmd
@@ -0,0 +1,28 @@
+graph BT
+    N0([start])
+    N1[Tone Recognition]
+    N2[/Multimodal Translation/]
+    N3[[Medical Translation]]
+    N4(API Integration for Translation Services)
+    N5[[Data Security for Translated Content]]
+    N6[Sentiment Analysis in Translation]
+    N7([end])
+    N0 -.-> |yes| N1
+    N1 --> |yes| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> |no| N5
+    N5 --> |no| N6
+    N6 -.-> |no| N7
+    N4 -.-> N3
+    N4 -.-> |no| N7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#BDBDBD,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_262.txt b/test/mermaid/easy/mermaid_262.txt
new file mode 100644
index 0000000000000000000000000000000000000000..98bdddb419847af3073869ceefbb4b1a30c9f003
--- /dev/null
+++ b/test/mermaid/easy/mermaid_262.txt
@@ -0,0 +1,9 @@
+<API Integration for Translation Services, connectedTo, Medical Translation>
+<API Integration for Translation Services, no, Data Security for Translated Content>
+<API Integration for Translation Services, no, end>
+<Data Security for Translated Content, no, Sentiment Analysis in Translation>
+<Medical Translation, connectedTo, API Integration for Translation Services>
+<Multimodal Translation, connectedTo, Medical Translation>
+<Sentiment Analysis in Translation, no, end>
+<Tone Recognition, yes, Multimodal Translation>
+<start, yes, Tone Recognition>
diff --git a/test/mermaid/easy/mermaid_263.mmd b/test/mermaid/easy/mermaid_263.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..378563fb4081eda6d1bf6a555e84ec39e8ba9d48
--- /dev/null
+++ b/test/mermaid/easy/mermaid_263.mmd
@@ -0,0 +1,48 @@
+graph LR
+    N0([Customer Support Translation])
+    N1[(Tone Recognition)]
+    N2[(Voice Biometrics)]
+    N3(Technical Manual Translation)
+    N4(Statistical Machine Translation)
+    N5[Live Event Translation]
+    N6[/Sentiment Analysis in Translation/]
+    N7([Low_Latency Processing])
+    N8(Meeting Translation Systems)
+    N9{Noise Reduction for Speech Input}
+    N10([end])
+    N0 --> |customizes| N1
+    N1 -.-> |converts| N2
+    N2 -.-> N3
+    N3 --> |translates| N4
+    N4 --> N5
+    N5 --> |optimizes| N6
+    N6 --> N7
+    N7 --> |sells| N8
+    N8 --> |recognizes| N9
+    N9 -.-> |analyzes| N10
+    N10 -.-> N1
+    N2 -.-> N0
+    style N0 fill:#BBDEFB,stroke:#2196F3
+    style N1 fill:#BBDEFB,stroke:#2196F3
+    style N2 fill:#E8F5E9,stroke:#66BB6A
+    style N3 fill:#BBDEFB,stroke:#2196F3
+    style N4 fill:#E8F5E9,stroke:#66BB6A
+    style N5 fill:#E8F5E9,stroke:#66BB6A
+    style N6 fill:#BBDEFB,stroke:#2196F3
+    style N7 fill:#EFEBE9,stroke:#A1887F
+    style N8 fill:#BBDEFB,stroke:#2196F3
+    style N9 fill:#E8F5E9,stroke:#66BB6A
+    style N10 fill:#E8F5E9,stroke:#66BB6A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#2196F3,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_264.mmd b/test/mermaid/easy/mermaid_264.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b4f72f79b29c9848f54b668b8ebd366ccdda9fec
--- /dev/null
+++ b/test/mermaid/easy/mermaid_264.mmd
@@ -0,0 +1,42 @@
+graph LR
+    N0([start])
+    N1[(Language Detection)]
+    N2(Domain_Specific Translation Models)
+    N3{Real_Time Document Translation}
+    N4[/Speech Recognition/]
+    N5[Accent Adaptation]
+    N6[(Data Security for Translated Content)]
+    N7[(Tone Recognition)]
+    N8[[Neural Machine Translation]]
+    N9([end])
+    N0 -.-> |personalizes| N1
+    N1 -.-> |customizes| N2
+    N2 --> N3
+    N3 -.-> |synthesizes| N4
+    N4 -.-> |detects| N5
+    N5 --> |integrates| N6
+    N6 -.-> |tracks| N7
+    N7 -.-> N8
+    N8 --> N9
+    N1 --> N0
+    style N0 fill:#EFE6FF,stroke:#C2B2F0
+    style N1 fill:#FFFDE7,stroke:#FBC02D
+    style N2 fill:#FFF9D4,stroke:#FFE69C
+    style N3 fill:#FFF9D4,stroke:#FFE69C
+    style N4 fill:#FFF9D4,stroke:#FFE69C
+    style N5 fill:#EFE6FF,stroke:#C2B2F0
+    style N6 fill:#EFE6FF,stroke:#C2B2F0
+    style N7 fill:#FFFDE7,stroke:#FBC02D
+    style N8 fill:#EFE6FF,stroke:#C2B2F0
+    style N9 fill:#EFE6FF,stroke:#C2B2F0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FBC02D,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_264.txt b/test/mermaid/easy/mermaid_264.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2846a03d61140eec13393c5ca6e6d1eb40923b83
--- /dev/null
+++ b/test/mermaid/easy/mermaid_264.txt
@@ -0,0 +1,10 @@
+<Accent Adaptation, integrates, Data Security for Translated Content>
+<Data Security for Translated Content, tracks, Tone Recognition>
+<Domain_Specific Translation Models, connectedTo, Real_Time Document Translation>
+<Language Detection, connectedTo, start>
+<Language Detection, customizes, Domain_Specific Translation Models>
+<Neural Machine Translation, connectedTo, end>
+<Real_Time Document Translation, synthesizes, Speech Recognition>
+<Speech Recognition, detects, Accent Adaptation>
+<Tone Recognition, connectedTo, Neural Machine Translation>
+<start, personalizes, Language Detection>
diff --git a/test/mermaid/easy/mermaid_265.txt b/test/mermaid/easy/mermaid_265.txt
new file mode 100644
index 0000000000000000000000000000000000000000..16ca998d47908707b177b3c86e94ac852dd7749e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_265.txt
@@ -0,0 +1,8 @@
+<Autonomous Flight, processes, Mapping and Surveying>
+<Drone Delivery Logistics, connectedTo, Inspection>
+<Drone Regulations Compliance, connectedTo, Collision Avoidance Systems>
+<Drone Regulations Compliance, connectedTo, Drone Delivery Logistics>
+<Inspection, simulates, Autonomous Flight>
+<Mapping and Surveying, controls, Collision Avoidance Systems>
+<Sensor Integration, gathers, Drone Regulations Compliance>
+<start, connectedTo, Sensor Integration>
diff --git a/test/mermaid/easy/mermaid_266.mmd b/test/mermaid/easy/mermaid_266.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..85b3223b4fdc50cc06fbda04cb9f62a5013a38e5
--- /dev/null
+++ b/test/mermaid/easy/mermaid_266.mmd
@@ -0,0 +1,42 @@
+graph BT
+    N0([Flight Control System])
+    N1([Drone Data Security])
+    N2([Delivery Services])
+    N3[(Autonomous Flight)]
+    N4[Environmental Monitoring]
+    N5[/Battery Management System/]
+    N6[Drone Delivery Logistics]
+    N7[(Mapping and Surveying)]
+    N8(Ethical Drone Use)
+    N9([Urban Air Mobility Planning])
+    N0 --> N1
+    N1 --> |monitors| N2
+    N2 --> N3
+    N3 -.-> |surveys| N4
+    N4 --> |flies| N5
+    N5 --> |secures| N6
+    N6 -.-> N7
+    N7 --> |analyzes| N8
+    N8 --> N9
+    N6 -.-> |processes| N8
+    style N0 fill:#F0F0F0,stroke:#D2D2D2
+    style N1 fill:#F0F0F0,stroke:#D2D2D2
+    style N2 fill:#F3E5F5,stroke:#BA68C8
+    style N3 fill:#F3E5F5,stroke:#BA68C8
+    style N4 fill:#F0F0F0,stroke:#D2D2D2
+    style N5 fill:#F0F0F0,stroke:#D2D2D2
+    style N6 fill:#FFF9D4,stroke:#FFE69C
+    style N7 fill:#FFF9D4,stroke:#FFE69C
+    style N8 fill:#FFF9D4,stroke:#FFE69C
+    style N9 fill:#F0F0F0,stroke:#D2D2D2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#BA68C8,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_266.txt b/test/mermaid/easy/mermaid_266.txt
new file mode 100644
index 0000000000000000000000000000000000000000..771a1272ad199d904cf9cc0dd5d129951b9d0808
--- /dev/null
+++ b/test/mermaid/easy/mermaid_266.txt
@@ -0,0 +1,10 @@
+<Autonomous Flight, surveys, Environmental Monitoring>
+<Battery Management System, secures, Drone Delivery Logistics>
+<Delivery Services, connectedTo, Autonomous Flight>
+<Drone Data Security, monitors, Delivery Services>
+<Drone Delivery Logistics, connectedTo, Mapping and Surveying>
+<Drone Delivery Logistics, processes, Ethical Drone Use>
+<Environmental Monitoring, flies, Battery Management System>
+<Ethical Drone Use, connectedTo, Urban Air Mobility Planning>
+<Flight Control System, connectedTo, Drone Data Security>
+<Mapping and Surveying, analyzes, Ethical Drone Use>
diff --git a/test/mermaid/easy/mermaid_267.mmd b/test/mermaid/easy/mermaid_267.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c94b938ccbba81f54c0048145968ac66b2e409c8
--- /dev/null
+++ b/test/mermaid/easy/mermaid_267.mmd
@@ -0,0 +1,50 @@
+graph LR
+    N0([Payload Integration])
+    N1[/AI for Drone Autonomy/]
+    N2[[Drone Design]]
+    N3(Security Surveillance)
+    N4[[Propulsion System Development]]
+    N5[/Drone Regulations Compliance/]
+    N6[/Communication Systems/]
+    N7[Flight Control System]
+    N8[Drone Maintenance]
+    N9[/Data Processing from Drones/]
+    N10(Airspace Management for Drones)
+    N11([end])
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> |licenses| N3
+    N3 -.-> N4
+    N4 --> |audits| N5
+    N5 --> |delivers| N6
+    N6 -.-> N7
+    N7 -.-> |maps| N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 --> |simulates| N11
+    N9 -.-> |receives| N4
+    style N0 fill:#FFF9C4,stroke:#FFEB3B
+    style N1 fill:#D7CCC8,stroke:#795548
+    style N2 fill:#D7CCC8,stroke:#795548
+    style N3 fill:#D7CCC8,stroke:#795548
+    style N4 fill:#D7CCC8,stroke:#795548
+    style N5 fill:#F3E5F5,stroke:#AB47BC
+    style N6 fill:#FFF9C4,stroke:#FFEB3B
+    style N7 fill:#F3E5F5,stroke:#AB47BC
+    style N8 fill:#FFF9C4,stroke:#FFEB3B
+    style N9 fill:#D7CCC8,stroke:#795548
+    style N10 fill:#FFF9C4,stroke:#FFEB3B
+    style N11 fill:#F3E5F5,stroke:#AB47BC
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_269.mmd b/test/mermaid/easy/mermaid_269.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..aea89007551a7302e46800fd4ce34e44cb74b98c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_269.mmd
@@ -0,0 +1,34 @@
+graph LR
+    N0([Over_the_Air Updates])
+    N1([Motion Control])
+    N2[/Lane Keeping Assist/]
+    N3([Vehicle Diagnostics])
+    N4(Ethical Decision_Making)
+    N5[/Public Acceptance and Trust/]
+    N6[/Simulation and Testing/]
+    N7([Redundancy in Sensors])
+    N0 -.-> |secures| N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> |localizes| N5
+    N5 --> N6
+    N6 -.-> |warns| N7
+    N3 --> |predicts| N7
+    style N0 fill:#F9FBE7,stroke:#C0CA33
+    style N1 fill:#E8F5E9,stroke:#66BB6A
+    style N2 fill:#FFEBEE,stroke:#E57373
+    style N3 fill:#F9FBE7,stroke:#C0CA33
+    style N4 fill:#F9FBE7,stroke:#C0CA33
+    style N5 fill:#F9FBE7,stroke:#C0CA33
+    style N6 fill:#FFEBEE,stroke:#E57373
+    style N7 fill:#E8F5E9,stroke:#66BB6A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_270.mmd b/test/mermaid/easy/mermaid_270.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b1c6843d90851fb449b077fa6f832dfba34d18bd
--- /dev/null
+++ b/test/mermaid/easy/mermaid_270.mmd
@@ -0,0 +1,42 @@
+graph TD
+    N0([Cloud Connectivity for AVs])
+    N1[[Data Collection and Annotation]]
+    N2{Charging Infrastructure}
+    N3[Fail_Safe Systems]
+    N4[Remote Operation Capability]
+    N5[/Predictive Maintenance/]
+    N6[Sensor Integration]
+    N7(Regulatory Compliance)
+    N8{Simulation and Testing}
+    N9([Hardware Design])
+    N0 -.-> |fuels| N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> |parks| N4
+    N4 -.-> N5
+    N5 -.-> |maps| N6
+    N6 --> |regulates| N7
+    N7 --> N8
+    N8 -.-> N9
+    N6 --> N0
+    style N0 fill:#FFCCBC,stroke:#FF5722
+    style N1 fill:#FFCCBC,stroke:#FF5722
+    style N2 fill:#FFCCBC,stroke:#FF5722
+    style N3 fill:#FFCCBC,stroke:#FF5722
+    style N4 fill:#FBE9E7,stroke:#FF8A65
+    style N5 fill:#FBE9E7,stroke:#FF8A65
+    style N6 fill:#FFCCBC,stroke:#FF5722
+    style N7 fill:#FFCCBC,stroke:#FF5722
+    style N8 fill:#FBE9E7,stroke:#FF8A65
+    style N9 fill:#FBE9E7,stroke:#FF8A65
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFB2A5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_270.txt b/test/mermaid/easy/mermaid_270.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ec09a672980f73268b779087cec1fe3321a125e0
--- /dev/null
+++ b/test/mermaid/easy/mermaid_270.txt
@@ -0,0 +1,10 @@
+<Charging Infrastructure, connectedTo, Fail_Safe Systems>
+<Cloud Connectivity for AVs, fuels, Data Collection and Annotation>
+<Data Collection and Annotation, connectedTo, Charging Infrastructure>
+<Fail_Safe Systems, parks, Remote Operation Capability>
+<Predictive Maintenance, maps, Sensor Integration>
+<Regulatory Compliance, connectedTo, Simulation and Testing>
+<Remote Operation Capability, connectedTo, Predictive Maintenance>
+<Sensor Integration, connectedTo, Cloud Connectivity for AVs>
+<Sensor Integration, regulates, Regulatory Compliance>
+<Simulation and Testing, connectedTo, Hardware Design>
diff --git a/test/mermaid/easy/mermaid_271.mmd b/test/mermaid/easy/mermaid_271.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..256664e1d4f3ab9c4366eb37e7f732f35be90733
--- /dev/null
+++ b/test/mermaid/easy/mermaid_271.mmd
@@ -0,0 +1,34 @@
+graph LR
+    N0([start])
+    N1(Autonomous Shared Vehicles)
+    N2[[Supply_Demand Balancing]]
+    N3(User Registration)
+    N4[Micro_mobility Management]
+    N5(Fleet Management)
+    N6{Scooter_sharing Services}
+    N7([end])
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> |routes| N3
+    N3 --> |accesses| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N3 -.-> |registers| N2
+    style N0 fill:#FFF8E1,stroke:#FFD54F
+    style N1 fill:#FFF8E1,stroke:#FFD54F
+    style N2 fill:#F1F8E9,stroke:#388E3C
+    style N3 fill:#FFECB3,stroke:#FFC107
+    style N4 fill:#FFF8E1,stroke:#FFD54F
+    style N5 fill:#F1F8E9,stroke:#388E3C
+    style N6 fill:#F1F8E9,stroke:#388E3C
+    style N7 fill:#F1F8E9,stroke:#388E3C
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFC107,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_272.mmd b/test/mermaid/easy/mermaid_272.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a31f0025db67927e525f40060bac3127f8cb9b2a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_272.mmd
@@ -0,0 +1,46 @@
+graph RL
+    N0([Platform Development])
+    N1[Ticketing and Fare Collection]
+    N2{Public_Private Partnerships}
+    N3([User Onboarding])
+    N4[Data Analytics for Usage Patterns]
+    N5[/Micro_mobility Management/]
+    N6[[Sustainability Initiatives]]
+    N7(First_Mile or Last_Mile Solutions)
+    N8(Subscription Model Management)
+    N9{Payment Processing}
+    N10([end])
+    N0 -.-> |verifies| N1
+    N1 --> N2
+    N2 --> |reserves| N3
+    N3 -.-> |drives| N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> |optimizes| N7
+    N7 -.-> N8
+    N8 --> |markets| N9
+    N9 -.-> N10
+    N8 --> N6
+    style N0 fill:#FFDCD6,stroke:#FFB2A5
+    style N1 fill:#FFDCD6,stroke:#FFB2A5
+    style N2 fill:#F1F8E9,stroke:#388E3C
+    style N3 fill:#FFE88D,stroke:#FFDA4E
+    style N4 fill:#FFDCD6,stroke:#FFB2A5
+    style N5 fill:#FFE88D,stroke:#FFDA4E
+    style N6 fill:#FFE88D,stroke:#FFDA4E
+    style N7 fill:#FFE88D,stroke:#FFDA4E
+    style N8 fill:#FFDCD6,stroke:#FFB2A5
+    style N9 fill:#FFE88D,stroke:#FFDA4E
+    style N10 fill:#F1F8E9,stroke:#388E3C
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFDA4E,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_272.txt b/test/mermaid/easy/mermaid_272.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c4972150b8076c3c92051c5ee456bfd3a1fffa96
--- /dev/null
+++ b/test/mermaid/easy/mermaid_272.txt
@@ -0,0 +1,11 @@
+<Data Analytics for Usage Patterns, connectedTo, Micro_mobility Management>
+<First_Mile or Last_Mile Solutions, connectedTo, Subscription Model Management>
+<Micro_mobility Management, connectedTo, Sustainability Initiatives>
+<Payment Processing, connectedTo, end>
+<Platform Development, verifies, Ticketing and Fare Collection>
+<Public_Private Partnerships, reserves, User Onboarding>
+<Subscription Model Management, connectedTo, Sustainability Initiatives>
+<Subscription Model Management, markets, Payment Processing>
+<Sustainability Initiatives, optimizes, First_Mile or Last_Mile Solutions>
+<Ticketing and Fare Collection, connectedTo, Public_Private Partnerships>
+<User Onboarding, drives, Data Analytics for Usage Patterns>
diff --git a/test/mermaid/easy/mermaid_273.mmd b/test/mermaid/easy/mermaid_273.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5964c4a07145259f39d04682d5a293e0afa95838
--- /dev/null
+++ b/test/mermaid/easy/mermaid_273.mmd
@@ -0,0 +1,40 @@
+graph BT
+    N0([start])
+    N1[Geofencing for Operations]
+    N2[[User Rating and Feedback Systems]]
+    N3[Data Analytics for Usage Patterns]
+    N4(Insurance Models)
+    N5[/User Onboarding/]
+    N6[/Maintenance Scheduling/]
+    N7[Bike_sharing Services]
+    N8([Parking Integration])
+    N9[Demand Prediction]
+    N10(Subscription Model Management)
+    N11([end])
+    N0 --> N1
+    N1 -.-> |yes| N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> |yes| N7
+    N7 --> N8
+    N8 --> |no| N9
+    N9 --> |yes| N10
+    N10 -.-> N11
+    N0 --> |yes| N2
+    N9 --> N4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#388E3C,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_273.txt b/test/mermaid/easy/mermaid_273.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f410ef28eb3f0af800e87bc4ba80dca3d9d7b458
--- /dev/null
+++ b/test/mermaid/easy/mermaid_273.txt
@@ -0,0 +1,13 @@
+<Bike_sharing Services, connectedTo, Parking Integration>
+<Data Analytics for Usage Patterns, connectedTo, Insurance Models>
+<Demand Prediction, connectedTo, Insurance Models>
+<Demand Prediction, yes, Subscription Model Management>
+<Geofencing for Operations, yes, User Rating and Feedback Systems>
+<Insurance Models, connectedTo, User Onboarding>
+<Maintenance Scheduling, yes, Bike_sharing Services>
+<Parking Integration, no, Demand Prediction>
+<Subscription Model Management, connectedTo, end>
+<User Onboarding, connectedTo, Maintenance Scheduling>
+<User Rating and Feedback Systems, connectedTo, Data Analytics for Usage Patterns>
+<start, connectedTo, Geofencing for Operations>
+<start, yes, User Rating and Feedback Systems>
diff --git a/test/mermaid/easy/mermaid_275.mmd b/test/mermaid/easy/mermaid_275.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..422c7e14de985b41d2b300129aa96d34eb629632
--- /dev/null
+++ b/test/mermaid/easy/mermaid_275.mmd
@@ -0,0 +1,46 @@
+graph LR
+    N0([Revenue Management])
+    N1(Real_Time Information Display)
+    N2[Off_Street Parking Management]
+    N3[(Violation Detection)]
+    N4([Reservations System])
+    N5[Dynamic Pricing]
+    N6([Security Surveillance])
+    N7[(On_Street Parking Management)]
+    N8(Billing and Reconciliation)
+    N9[Integration with Navigation Apps]
+    N10([Maintenance of Systems])
+    N0 -.-> |directs| N1
+    N1 -.-> N2
+    N2 --> |designs| N3
+    N3 --> |detects| N4
+    N4 --> |guides| N5
+    N5 -.-> |installs| N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> |informs| N9
+    N9 --> N10
+    N9 -.-> N7
+    style N0 fill:#C8E6C9,stroke:#4CAF50
+    style N1 fill:#C8E6C9,stroke:#4CAF50
+    style N2 fill:#C8E6C9,stroke:#4CAF50
+    style N3 fill:#C8E6C9,stroke:#4CAF50
+    style N4 fill:#C8E6C9,stroke:#4CAF50
+    style N5 fill:#E4E0DF,stroke:#BDAFA8
+    style N6 fill:#C8E6C9,stroke:#4CAF50
+    style N7 fill:#E4E0DF,stroke:#BDAFA8
+    style N8 fill:#E4E0DF,stroke:#BDAFA8
+    style N9 fill:#C8E6C9,stroke:#4CAF50
+    style N10 fill:#C8E6C9,stroke:#4CAF50
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#BDAFA8,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_275.txt b/test/mermaid/easy/mermaid_275.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b40c8f683f3628f55f5ef456d9bc48eef46ab845
--- /dev/null
+++ b/test/mermaid/easy/mermaid_275.txt
@@ -0,0 +1,11 @@
+<Billing and Reconciliation, informs, Integration with Navigation Apps>
+<Dynamic Pricing, installs, Security Surveillance>
+<Integration with Navigation Apps, connectedTo, Maintenance of Systems>
+<Integration with Navigation Apps, connectedTo, On_Street Parking Management>
+<Off_Street Parking Management, designs, Violation Detection>
+<On_Street Parking Management, connectedTo, Billing and Reconciliation>
+<Real_Time Information Display, connectedTo, Off_Street Parking Management>
+<Reservations System, guides, Dynamic Pricing>
+<Revenue Management, directs, Real_Time Information Display>
+<Security Surveillance, connectedTo, On_Street Parking Management>
+<Violation Detection, detects, Reservations System>
diff --git a/test/mermaid/easy/mermaid_276.mmd b/test/mermaid/easy/mermaid_276.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..3de20369718d4d98b0f73e649f65a913b746ba2a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_276.mmd
@@ -0,0 +1,34 @@
+graph BT
+    N0([start])
+    N1[(Intelligent Traffic Management Interaction)]
+    N2(Demand Forecasting)
+    N3[Event Parking Management]
+    N4(Parking Guidance Systems)
+    N5[(Smart City Integration for Parking)]
+    N6([Space Detection])
+    N7([end])
+    N0 -.-> |integrates| N1
+    N1 -.-> N2
+    N2 -.-> |filters| N3
+    N3 --> |sells| N4
+    N4 --> N5
+    N5 -.-> |forecasts| N6
+    N6 -.-> |complies| N7
+    N0 -.-> N5
+    style N0 fill:#E0F2F1,stroke:#26A69A
+    style N1 fill:#E0F2F1,stroke:#26A69A
+    style N2 fill:#FFF3E0,stroke:#FFB74D
+    style N3 fill:#D3D7EB,stroke:#8C9EFF
+    style N4 fill:#E0F2F1,stroke:#26A69A
+    style N5 fill:#E0F2F1,stroke:#26A69A
+    style N6 fill:#D3D7EB,stroke:#8C9EFF
+    style N7 fill:#D3D7EB,stroke:#8C9EFF
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#26A69A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_277.mmd b/test/mermaid/easy/mermaid_277.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..bab5ebe0354ebbc65dcc68abbab1e74c8b2d8abe
--- /dev/null
+++ b/test/mermaid/easy/mermaid_277.mmd
@@ -0,0 +1,37 @@
+graph TD
+    N0([start])
+    N1{Event Promotion Tools}
+    N2[[Seat Mapping]]
+    N3(Fan Loyalty Programs)
+    N4{Subscription or Season Pass Management}
+    N5(Dynamic Pricing)
+    N6[[Payment Processing]]
+    N7[Airline Ticketing]
+    N8(Pricing Configuration)
+    N9[/Order Confirmation/]
+    N10([end])
+    N0 -.-> N1
+    N1 -.-> |yes| N2
+    N2 -.-> N3
+    N3 --> |no| N4
+    N4 --> |no| N5
+    N5 -.-> |yes| N6
+    N6 -.-> |no| N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    N2 --> N0
+    N5 -.-> |no| N0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_277.txt b/test/mermaid/easy/mermaid_277.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a9215eb0c6cb3db1ed914516fe6fb79b1c3de017
--- /dev/null
+++ b/test/mermaid/easy/mermaid_277.txt
@@ -0,0 +1,12 @@
+<Airline Ticketing, connectedTo, Pricing Configuration>
+<Dynamic Pricing, no, start>
+<Dynamic Pricing, yes, Payment Processing>
+<Event Promotion Tools, yes, Seat Mapping>
+<Fan Loyalty Programs, no, Subscription or Season Pass Management>
+<Order Confirmation, connectedTo, end>
+<Payment Processing, no, Airline Ticketing>
+<Pricing Configuration, connectedTo, Order Confirmation>
+<Seat Mapping, connectedTo, Fan Loyalty Programs>
+<Seat Mapping, connectedTo, start>
+<Subscription or Season Pass Management, no, Dynamic Pricing>
+<start, connectedTo, Event Promotion Tools>
diff --git a/test/mermaid/easy/mermaid_278.mmd b/test/mermaid/easy/mermaid_278.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..cca17f8aee799a3f074f5017b6e50f126a7a74d7
--- /dev/null
+++ b/test/mermaid/easy/mermaid_278.mmd
@@ -0,0 +1,52 @@
+graph TD
+    N0([start])
+    N1(Seat Mapping)
+    N2[(Airline Ticketing)]
+    N3(Box Office Management)
+    N4[Refund Management]
+    N5[Audience Segmentation]
+    N6[(Order Confirmation)]
+    N7[Mobile Ticketing]
+    N8[API Integration for Partners]
+    N9[Resale Market Integration]
+    N10{Post_Event Feedback Collection}
+    N11([end])
+    N0 -.-> |promotes| N1
+    N1 --> N2
+    N2 -.-> |markets| N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> |bundles| N6
+    N6 --> |analyzes| N7
+    N7 -.-> |publishes| N8
+    N8 -.-> N9
+    N9 --> |supports| N10
+    N10 -.-> N11
+    N0 -.-> |optimizes| N2
+    N1 --> N7
+    style N0 fill:#FFFDE7,stroke:#FFF176
+    style N1 fill:#FFFDE7,stroke:#FBC02D
+    style N2 fill:#FBE9E7,stroke:#FF8A65
+    style N3 fill:#FFFDE7,stroke:#FFF176
+    style N4 fill:#FBE9E7,stroke:#FF8A65
+    style N5 fill:#FFFDE7,stroke:#FBC02D
+    style N6 fill:#FBE9E7,stroke:#FF8A65
+    style N7 fill:#FBE9E7,stroke:#FF8A65
+    style N8 fill:#FFFDE7,stroke:#FFF176
+    style N9 fill:#FFFDE7,stroke:#FBC02D
+    style N10 fill:#FFFDE7,stroke:#FBC02D
+    style N11 fill:#FFFDE7,stroke:#FFF176
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_279.txt b/test/mermaid/easy/mermaid_279.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0a10b4fce70f3e3744c7fa92a5ecf261dc790a4e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_279.txt
@@ -0,0 +1,11 @@
+<Audience Segmentation, connectedTo, end>
+<Audience Segmentation, develops, Waiting List Management>
+<Biometric Ticketing, connectedTo, Ticket Delivery>
+<Order Confirmation, connectedTo, end>
+<Personalized Ticket Offers, connectedTo, Audience Segmentation>
+<Post_Event Feedback Collection, integrates, Personalized Ticket Offers>
+<Refund Management, monitors, Post_Event Feedback Collection>
+<Ticket Delivery, connectedTo, Order Confirmation>
+<Waiting List Management, optimizes, Biometric Ticketing>
+<start, cancels, Order Confirmation>
+<start, upgrades, Refund Management>
diff --git a/test/mermaid/easy/mermaid_28.txt b/test/mermaid/easy/mermaid_28.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d9940c5a43b56d1b7e22afc4cd5b5bd2da6e786e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_28.txt
@@ -0,0 +1,9 @@
+<Call Recording, connectedTo, SIM Registration>
+<Customer Relationship Management, controls, Plan Renewal>
+<Customer Relationship Management, tops up, end>
+<IoT Device Connection, connectedTo, Call Recording>
+<MMS Transmission, troubleshoots, Service Activation Request>
+<Plan Renewal, connectedTo, Plan Suspension>
+<Plan Suspension, licenses, Customer Relationship Management>
+<SIM Registration, connectedTo, MMS Transmission>
+<Service Activation Request, connectedTo, Plan Renewal>
diff --git a/test/mermaid/easy/mermaid_280.txt b/test/mermaid/easy/mermaid_280.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1637f208f8de417ecee830909488baf92e5576ee
--- /dev/null
+++ b/test/mermaid/easy/mermaid_280.txt
@@ -0,0 +1,12 @@
+<Anonymous Credential Systems, connectedTo, Direct Recording Electronic Systems>
+<Ballot Creation, certifies, Blockchain for Voting>
+<Blockchain for Voting, connectedTo, end>
+<Cryptographic Security, connectedTo, Remote Voting Solutions>
+<Direct Recording Electronic Systems, detects, System Certification>
+<Election Official Training, educates, Zero_Knowledge Proofs for Privacy>
+<Legal Framework Compliance, connectedTo, Cryptographic Security>
+<Remote Voting Solutions, connectedTo, Ballot Creation>
+<Remote Voting Solutions, connectedTo, Election Official Training>
+<System Certification, connectedTo, Legal Framework Compliance>
+<Voter Authentication, communicates, Anonymous Credential Systems>
+<Zero_Knowledge Proofs for Privacy, monitors, Voter Authentication>
diff --git a/test/mermaid/easy/mermaid_281.mmd b/test/mermaid/easy/mermaid_281.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d7e2318759de630f57aeaeda760fec9e79fe34da
--- /dev/null
+++ b/test/mermaid/easy/mermaid_281.mmd
@@ -0,0 +1,52 @@
+graph RL
+    N0([start])
+    N1[Legal Framework Compliance]
+    N2[Results Aggregation]
+    N3[Voter Registration]
+    N4[/Ballot Creation/]
+    N5{System Certification}
+    N6([Security Protocols])
+    N7[Penetration Testing]
+    N8([Undue Influence Prevention])
+    N9[(Software Integrity Checks)]
+    N10(Blockchain for Voting)
+    N11([Zero_Knowledge Proofs for Privacy])
+    N0 -.-> N1
+    N1 -.-> |facilitates| N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> |stores| N6
+    N6 -.-> N7
+    N7 -.-> |detects| N8
+    N8 -.-> |authenticates| N9
+    N9 --> |designs| N10
+    N10 --> |reports| N11
+    N1 --> |certifies| N10
+    N10 --> |develops| N6
+    style N0 fill:#FFDAB9,stroke:#FFC085
+    style N1 fill:#FFDAB9,stroke:#FFC085
+    style N2 fill:#FCE4EC,stroke:#E91E63
+    style N3 fill:#FAEBF3,stroke:#F7BEE0
+    style N4 fill:#FCE4EC,stroke:#E91E63
+    style N5 fill:#FAEBF3,stroke:#F7BEE0
+    style N6 fill:#FFDAB9,stroke:#FFC085
+    style N7 fill:#FAEBF3,stroke:#F7BEE0
+    style N8 fill:#FFDAB9,stroke:#FFC085
+    style N9 fill:#FFDAB9,stroke:#FFC085
+    style N10 fill:#FAEBF3,stroke:#F7BEE0
+    style N11 fill:#FCE4EC,stroke:#E91E63
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_281.txt b/test/mermaid/easy/mermaid_281.txt
new file mode 100644
index 0000000000000000000000000000000000000000..715ee68c1003df3bcf6e1128d7c70481f3281488
--- /dev/null
+++ b/test/mermaid/easy/mermaid_281.txt
@@ -0,0 +1,13 @@
+<Ballot Creation, connectedTo, System Certification>
+<Blockchain for Voting, develops, Security Protocols>
+<Blockchain for Voting, reports, Zero_Knowledge Proofs for Privacy>
+<Legal Framework Compliance, certifies, Blockchain for Voting>
+<Legal Framework Compliance, facilitates, Results Aggregation>
+<Penetration Testing, detects, Undue Influence Prevention>
+<Results Aggregation, connectedTo, Voter Registration>
+<Security Protocols, connectedTo, Penetration Testing>
+<Software Integrity Checks, designs, Blockchain for Voting>
+<System Certification, stores, Security Protocols>
+<Undue Influence Prevention, authenticates, Software Integrity Checks>
+<Voter Registration, connectedTo, Ballot Creation>
+<start, connectedTo, Legal Framework Compliance>
diff --git a/test/mermaid/easy/mermaid_282.txt b/test/mermaid/easy/mermaid_282.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2ba0575e81ff9be7b5df6e9a3b74f33e99ea1001
--- /dev/null
+++ b/test/mermaid/easy/mermaid_282.txt
@@ -0,0 +1,11 @@
+<Ballot Creation, stores, Blockchain for Voting>
+<Blockchain for Voting, tests, Cybersecurity for Voting Systems>
+<Cybersecurity for Voting Systems, connectedTo, Post_Election Audits>
+<Direct Recording Electronic Systems, certifies, Undue Influence Prevention>
+<Hardware Tamper Detection, connectedTo, Penetration Testing>
+<Legal Framework Compliance, connectedTo, Zero_Knowledge Proofs for Privacy>
+<Post_Election Audits, facilitates, Legal Framework Compliance>
+<Software Integrity Checks, designs, Direct Recording Electronic Systems>
+<Undue Influence Prevention, connectedTo, Hardware Tamper Detection>
+<Zero_Knowledge Proofs for Privacy, alerts, Software Integrity Checks>
+<Zero_Knowledge Proofs for Privacy, registers, Direct Recording Electronic Systems>
diff --git a/test/mermaid/easy/mermaid_284.mmd b/test/mermaid/easy/mermaid_284.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0664d67d668d7b635e51b783a7561c567697ec75
--- /dev/null
+++ b/test/mermaid/easy/mermaid_284.mmd
@@ -0,0 +1,34 @@
+graph TD
+    N0([Recommendation Formulation])
+    N1([Data Visualization for Policy])
+    N2{Evidence_Based Policymaking}
+    N3{Report Drafting}
+    N4[Communication Strategy]
+    N5[[Qualitative Analysis]]
+    N6[Budgetary Implications]
+    N7([end])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> |monitors| N3
+    N3 -.-> |forecasts| N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> |assesses| N7
+    N5 --> |collects| N2
+    style N0 fill:#F8BBD0,stroke:#E91E63
+    style N1 fill:#FFF3E0,stroke:#FFA726
+    style N2 fill:#F3E5F5,stroke:#AB47BC
+    style N3 fill:#F8BBD0,stroke:#E91E63
+    style N4 fill:#F3E5F5,stroke:#AB47BC
+    style N5 fill:#FFF3E0,stroke:#FFA726
+    style N6 fill:#F8BBD0,stroke:#E91E63
+    style N7 fill:#F3E5F5,stroke:#AB47BC
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#AB47BC,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_284.txt b/test/mermaid/easy/mermaid_284.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d565d5208ca0b3a16acbe2604623998626f8670c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_284.txt
@@ -0,0 +1,8 @@
+<Budgetary Implications, assesses, end>
+<Communication Strategy, connectedTo, Qualitative Analysis>
+<Data Visualization for Policy, connectedTo, Evidence_Based Policymaking>
+<Evidence_Based Policymaking, monitors, Report Drafting>
+<Qualitative Analysis, collects, Evidence_Based Policymaking>
+<Qualitative Analysis, connectedTo, Budgetary Implications>
+<Recommendation Formulation, connectedTo, Data Visualization for Policy>
+<Report Drafting, forecasts, Communication Strategy>
diff --git a/test/mermaid/easy/mermaid_285.mmd b/test/mermaid/easy/mermaid_285.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b0762bab71693c5e570081e9a786406bb6bcacdb
--- /dev/null
+++ b/test/mermaid/easy/mermaid_285.mmd
@@ -0,0 +1,26 @@
+graph RL
+    N0([start])
+    N1(Qualitative Analysis)
+    N2[Budgetary Implications]
+    N3{Presentation Skills}
+    N4[Political Feasibility Assessment]
+    N5[Policy Simulation Models]
+    N6[[Regulatory Impact Assessment]]
+    N7([end])
+    N0 --> N1
+    N1 -.-> |yes| N2
+    N2 --> |no| N3
+    N3 --> N4
+    N4 -.-> |no| N5
+    N5 --> N6
+    N6 --> N7
+    N3 --> |yes| N2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#673AB7,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_286.mmd b/test/mermaid/easy/mermaid_286.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..9b9deafcca0a4b52bd9a4f115b80697d930d679b
--- /dev/null
+++ b/test/mermaid/easy/mermaid_286.mmd
@@ -0,0 +1,42 @@
+graph BT
+    N0([start])
+    N1[/Academic Mentorship/]
+    N2[(Journal Publication)]
+    N3([Data Collection])
+    N4(Reproducibility Studies)
+    N5{Data Analysis}
+    N6{Peer Review Process}
+    N7(Data Management Plan)
+    N8{Systematic Review}
+    N9([Thesis or Dissertation Writing])
+    N0 -.-> N1
+    N1 --> |experimentals| N2
+    N2 -.-> |develops| N3
+    N3 -.-> |collects| N4
+    N4 -.-> |ethics| N5
+    N5 -.-> |grants| N6
+    N6 --> |analyzes| N7
+    N7 -.-> N8
+    N8 --> N9
+    N2 --> N0
+    style N0 fill:#F8FDD3,stroke:#D3EB9F
+    style N1 fill:#E1BEE7,stroke:#9C27B0
+    style N2 fill:#D3F7F9,stroke:#80DDEA
+    style N3 fill:#D3F7F9,stroke:#80DDEA
+    style N4 fill:#D3F7F9,stroke:#80DDEA
+    style N5 fill:#E1BEE7,stroke:#9C27B0
+    style N6 fill:#F8FDD3,stroke:#D3EB9F
+    style N7 fill:#E1BEE7,stroke:#9C27B0
+    style N8 fill:#F8FDD3,stroke:#D3EB9F
+    style N9 fill:#F8FDD3,stroke:#D3EB9F
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#D3EB9F,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_286.txt b/test/mermaid/easy/mermaid_286.txt
new file mode 100644
index 0000000000000000000000000000000000000000..774aef8852d2cad9fc70d46c5ab47656fed9f89b
--- /dev/null
+++ b/test/mermaid/easy/mermaid_286.txt
@@ -0,0 +1,10 @@
+<Academic Mentorship, experimentals, Journal Publication>
+<Data Analysis, grants, Peer Review Process>
+<Data Collection, collects, Reproducibility Studies>
+<Data Management Plan, connectedTo, Systematic Review>
+<Journal Publication, connectedTo, start>
+<Journal Publication, develops, Data Collection>
+<Peer Review Process, analyzes, Data Management Plan>
+<Reproducibility Studies, ethics, Data Analysis>
+<Systematic Review, connectedTo, Thesis or Dissertation Writing>
+<start, connectedTo, Academic Mentorship>
diff --git a/test/mermaid/easy/mermaid_287.txt b/test/mermaid/easy/mermaid_287.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2388806d7cc2d68734c5661ed02a009bd0635a43
--- /dev/null
+++ b/test/mermaid/easy/mermaid_287.txt
@@ -0,0 +1,8 @@
+<Bias Mitigation, connectedTo, Reproducibility Studies>
+<Data Analysis, connectedTo, Funding Agency Reporting>
+<Data Visualization for Research, connectedTo, Research Impact Assessment>
+<Funding Agency Reporting, assesses, Academic Mentorship>
+<Funding Agency Reporting, patents, Research Impact Assessment>
+<Literature Review, researches, Bias Mitigation>
+<Reproducibility Studies, connectedTo, Data Analysis>
+<Research Impact Assessment, submits, Literature Review>
diff --git a/test/mermaid/easy/mermaid_289.txt b/test/mermaid/easy/mermaid_289.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9c31b9a378d2efa5851fc538b48c528efa778635
--- /dev/null
+++ b/test/mermaid/easy/mermaid_289.txt
@@ -0,0 +1,10 @@
+<Authority Control, educates, Mobile App for Library>
+<Authority Control, integrates, start>
+<Database Management, protects, Serials Control>
+<Linked Data for Libraries, connectedTo, Metadata Creation>
+<Metadata Creation, connectedTo, Authority Control>
+<Mobile App for Library, connectedTo, Serials Control>
+<Serials Control, plans, Linked Data for Libraries>
+<System Upgrades, searches, Database Management>
+<User Training on Systems, connectedTo, System Upgrades>
+<start, updates, User Training on Systems>
diff --git a/test/mermaid/easy/mermaid_29.mmd b/test/mermaid/easy/mermaid_29.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..2b685a046ae056eb39a491f0b719a83a204efc5d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_29.mmd
@@ -0,0 +1,38 @@
+graph TD
+    N0([Outage Detection])
+    N1[Plan Renewal]
+    N2([Network Upgrade])
+    N3([Technical Support Escalation])
+    N4[[Plan Suspension]]
+    N5[Antenna Maintenance]
+    N6{SMS Delivery}
+    N7[/Roaming Activation/]
+    N8([end])
+    N0 -.-> |filters| N1
+    N1 --> |licenses| N2
+    N2 -.-> |blocks| N3
+    N3 --> N4
+    N4 --> |alerts| N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> |manages| N8
+    N3 --> N0
+    style N0 fill:#FCE4EC,stroke:#E91E63
+    style N1 fill:#FCE4EC,stroke:#E91E63
+    style N2 fill:#CADEDE,stroke:#94C0C0
+    style N3 fill:#FFF9C4,stroke:#FFEB3B
+    style N4 fill:#CADEDE,stroke:#94C0C0
+    style N5 fill:#CADEDE,stroke:#94C0C0
+    style N6 fill:#FFF9C4,stroke:#FFEB3B
+    style N7 fill:#FFF9C4,stroke:#FFEB3B
+    style N8 fill:#CADEDE,stroke:#94C0C0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFEB3B,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_29.txt b/test/mermaid/easy/mermaid_29.txt
new file mode 100644
index 0000000000000000000000000000000000000000..85e390e346e7ea0880537927c6ff54c4767dc752
--- /dev/null
+++ b/test/mermaid/easy/mermaid_29.txt
@@ -0,0 +1,9 @@
+<Antenna Maintenance, connectedTo, SMS Delivery>
+<Network Upgrade, blocks, Technical Support Escalation>
+<Outage Detection, filters, Plan Renewal>
+<Plan Renewal, licenses, Network Upgrade>
+<Plan Suspension, alerts, Antenna Maintenance>
+<Roaming Activation, manages, end>
+<SMS Delivery, connectedTo, Roaming Activation>
+<Technical Support Escalation, connectedTo, Outage Detection>
+<Technical Support Escalation, connectedTo, Plan Suspension>
diff --git a/test/mermaid/easy/mermaid_290.mmd b/test/mermaid/easy/mermaid_290.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..867e2439cdb15b3082c6d3afaa2d451f693478c0
--- /dev/null
+++ b/test/mermaid/easy/mermaid_290.mmd
@@ -0,0 +1,48 @@
+graph BT
+    N0([Open Access Repository Management])
+    N1[(Metadata Creation)]
+    N2[Digitization Projects]
+    N3{Library Website Management}
+    N4([Preservation of Materials])
+    N5{Electronic Resource Management}
+    N6[Patron Services]
+    N7[Reporting and Analytics]
+    N8[/Subject Indexing/]
+    N9{Self_Checkout Kiosks}
+    N10([end])
+    N0 --> N1
+    N1 -.-> |catalogs| N2
+    N2 --> N3
+    N3 -.-> |trains| N4
+    N4 --> N5
+    N5 --> |reports| N6
+    N6 --> |preserves| N7
+    N7 --> |circulates| N8
+    N8 --> |retrieves| N9
+    N9 -.-> |fines| N10
+    N8 -.-> N6
+    N4 --> N8
+    style N0 fill:#E8F0EA,stroke:#92C79A
+    style N1 fill:#F9FBE7,stroke:#DCE775
+    style N2 fill:#F9FBE7,stroke:#DCE775
+    style N3 fill:#E8F0EA,stroke:#92C79A
+    style N4 fill:#FFFAE0,stroke:#FFE470
+    style N5 fill:#FFFAE0,stroke:#FFE470
+    style N6 fill:#FFFAE0,stroke:#FFE470
+    style N7 fill:#F9FBE7,stroke:#DCE775
+    style N8 fill:#E8F0EA,stroke:#92C79A
+    style N9 fill:#F9FBE7,stroke:#DCE775
+    style N10 fill:#F9FBE7,stroke:#DCE775
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#DCE775,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_292.mmd b/test/mermaid/easy/mermaid_292.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..caf0e50b2a85b27bf0a643d82b62896c58040dc8
--- /dev/null
+++ b/test/mermaid/easy/mermaid_292.mmd
@@ -0,0 +1,48 @@
+graph BT
+    N0([Subject Indexing for Archives])
+    N1{Finding Aid Creation}
+    N2[(Archival Advocacy)]
+    N3([Outreach and Education])
+    N4{Legal and Ethical Compliance}
+    N5[(Intellectual Property Rights Management)]
+    N6[[Ethical Use of Archival Materials]]
+    N7[[Provenance Tracking]]
+    N8{Grant Writing for Archives}
+    N9[[Conservation Treatment]]
+    N10([Authority Control for Archival Names])
+    N0 --> N1
+    N1 --> |appraises| N2
+    N2 -.-> N3
+    N3 -.-> |acquires| N4
+    N4 --> |policies| N5
+    N5 --> N6
+    N6 -.-> |educates| N7
+    N7 --> |procedures| N8
+    N8 --> |secures| N9
+    N9 -.-> N10
+    N8 -.-> |develops| N4
+    N4 --> N8
+    style N0 fill:#EDF5F3,stroke:#A1D7CD
+    style N1 fill:#FFFDE7,stroke:#FFF176
+    style N2 fill:#EDF5F3,stroke:#A1D7CD
+    style N3 fill:#EDF5F3,stroke:#A1D7CD
+    style N4 fill:#FFF9C4,stroke:#FFEB3B
+    style N5 fill:#FFF9C4,stroke:#FFEB3B
+    style N6 fill:#FFFDE7,stroke:#FFF176
+    style N7 fill:#FFFDE7,stroke:#FFF176
+    style N8 fill:#FFFDE7,stroke:#FFF176
+    style N9 fill:#FFF9C4,stroke:#FFEB3B
+    style N10 fill:#FFF9C4,stroke:#FFEB3B
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFEB3B,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_292.txt b/test/mermaid/easy/mermaid_292.txt
new file mode 100644
index 0000000000000000000000000000000000000000..21284064a728c336368196b415ec3f92f78ae849
--- /dev/null
+++ b/test/mermaid/easy/mermaid_292.txt
@@ -0,0 +1,12 @@
+<Archival Advocacy, connectedTo, Outreach and Education>
+<Conservation Treatment, connectedTo, Authority Control for Archival Names>
+<Ethical Use of Archival Materials, educates, Provenance Tracking>
+<Finding Aid Creation, appraises, Archival Advocacy>
+<Grant Writing for Archives, develops, Legal and Ethical Compliance>
+<Grant Writing for Archives, secures, Conservation Treatment>
+<Intellectual Property Rights Management, connectedTo, Ethical Use of Archival Materials>
+<Legal and Ethical Compliance, connectedTo, Grant Writing for Archives>
+<Legal and Ethical Compliance, policies, Intellectual Property Rights Management>
+<Outreach and Education, acquires, Legal and Ethical Compliance>
+<Provenance Tracking, procedures, Grant Writing for Archives>
+<Subject Indexing for Archives, connectedTo, Finding Aid Creation>
diff --git a/test/mermaid/easy/mermaid_293.mmd b/test/mermaid/easy/mermaid_293.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5fb1c7e1486e37088a4028276f0c35d4e8a74b53
--- /dev/null
+++ b/test/mermaid/easy/mermaid_293.mmd
@@ -0,0 +1,50 @@
+graph LR
+    N0([Web Archiving])
+    N1[(Digitization of Records)]
+    N2[Data Migration for Digital Archives]
+    N3[(Environmental Control)]
+    N4(Arrangement and Description)
+    N5[[Outreach and Education]]
+    N6{Researchers Support}
+    N7(Metadata Creation)
+    N8[Appraisal and Selection]
+    N9{Finding Aid Creation}
+    N10[/Database Management/]
+    N11([end])
+    N0 --> |procedures| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> |monitors| N4
+    N4 --> |complies| N5
+    N5 --> N6
+    N6 -.-> |publishes| N7
+    N7 --> N8
+    N8 -.-> |secures| N9
+    N9 --> N10
+    N10 --> N11
+    N8 -.-> N0
+    style N0 fill:#F1F8E9,stroke:#388E3C
+    style N1 fill:#F1F8E9,stroke:#388E3C
+    style N2 fill:#D3F7F9,stroke:#80DDEA
+    style N3 fill:#E4E0DF,stroke:#BDAFA8
+    style N4 fill:#F1F8E9,stroke:#388E3C
+    style N5 fill:#E4E0DF,stroke:#BDAFA8
+    style N6 fill:#F1F8E9,stroke:#388E3C
+    style N7 fill:#D3F7F9,stroke:#80DDEA
+    style N8 fill:#F1F8E9,stroke:#388E3C
+    style N9 fill:#F1F8E9,stroke:#388E3C
+    style N10 fill:#E4E0DF,stroke:#BDAFA8
+    style N11 fill:#D3F7F9,stroke:#80DDEA
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#BDAFA8,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_293.txt b/test/mermaid/easy/mermaid_293.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cb03a4901517795beab8befe07d9cf0806eaa1df
--- /dev/null
+++ b/test/mermaid/easy/mermaid_293.txt
@@ -0,0 +1,12 @@
+<Appraisal and Selection, connectedTo, Web Archiving>
+<Appraisal and Selection, secures, Finding Aid Creation>
+<Arrangement and Description, complies, Outreach and Education>
+<Data Migration for Digital Archives, connectedTo, Environmental Control>
+<Database Management, connectedTo, end>
+<Digitization of Records, connectedTo, Data Migration for Digital Archives>
+<Environmental Control, monitors, Arrangement and Description>
+<Finding Aid Creation, connectedTo, Database Management>
+<Metadata Creation, connectedTo, Appraisal and Selection>
+<Outreach and Education, connectedTo, Researchers Support>
+<Researchers Support, publishes, Metadata Creation>
+<Web Archiving, procedures, Digitization of Records>
diff --git a/test/mermaid/easy/mermaid_294.txt b/test/mermaid/easy/mermaid_294.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3afe81ff18e6703190556f9d62f632b07f54aebf
--- /dev/null
+++ b/test/mermaid/easy/mermaid_294.txt
@@ -0,0 +1,10 @@
+<Access and Reference Services, appraises, Long_Term Digital Preservation>
+<Access and Reference Services, educates, Appraisal and Selection>
+<Appraisal and Selection, connectedTo, Public Access Systems>
+<Collection Management Policy, connectedTo, Intellectual Property Rights Management>
+<Conservation Treatment, references, Ethical Use of Archival Materials>
+<Ethical Use of Archival Materials, implements, Access and Reference Services>
+<Exhibition Curation, connectedTo, Long_Term Digital Preservation>
+<Intellectual Property Rights Management, connectedTo, Exhibition Curation>
+<Long_Term Digital Preservation, authenticates, Outreach and Education>
+<Public Access Systems, connectedTo, Collection Management Policy>
diff --git a/test/mermaid/easy/mermaid_295.mmd b/test/mermaid/easy/mermaid_295.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..252ddd31d9ab1e912b4326ad914cb6157f768009
--- /dev/null
+++ b/test/mermaid/easy/mermaid_295.mmd
@@ -0,0 +1,38 @@
+graph TD
+    N0([start])
+    N1[(Cybersecurity for Museum Data)]
+    N2[Environmental Control Systems]
+    N3{Interactive Display Development}
+    N4[(Conservation Technology)]
+    N5([Visitor Flow Analysis])
+    N6[(Mobile App Development)]
+    N7(Digital Preservation Strategies)
+    N8[[Robotics in Exhibits]]
+    N9(Exhibition Design)
+    N10[[Database Management]]
+    N11([end])
+    N0 --> |yes| N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> |yes| N4
+    N4 -.-> N5
+    N5 --> |yes| N6
+    N6 -.-> |yes| N7
+    N7 -.-> |yes| N8
+    N8 -.-> N9
+    N9 -.-> |no| N10
+    N10 -.-> |yes| N11
+    N8 -.-> N10
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#F7BEE0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_295.txt b/test/mermaid/easy/mermaid_295.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2651502bae78f72bb910e66d47be43a5bd167d5d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_295.txt
@@ -0,0 +1,12 @@
+<Conservation Technology, connectedTo, Visitor Flow Analysis>
+<Cybersecurity for Museum Data, connectedTo, Environmental Control Systems>
+<Database Management, yes, end>
+<Digital Preservation Strategies, yes, Robotics in Exhibits>
+<Environmental Control Systems, connectedTo, Interactive Display Development>
+<Exhibition Design, no, Database Management>
+<Interactive Display Development, yes, Conservation Technology>
+<Mobile App Development, yes, Digital Preservation Strategies>
+<Robotics in Exhibits, connectedTo, Database Management>
+<Robotics in Exhibits, connectedTo, Exhibition Design>
+<Visitor Flow Analysis, yes, Mobile App Development>
+<start, yes, Cybersecurity for Museum Data>
diff --git a/test/mermaid/easy/mermaid_296.txt b/test/mermaid/easy/mermaid_296.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c3636c9bfbde48db37861f2435beaa2c18156931
--- /dev/null
+++ b/test/mermaid/easy/mermaid_296.txt
@@ -0,0 +1,9 @@
+<Content Management Systems, connectedTo, Multisensory Exhibits>
+<Digital Storytelling, robots, Content Management Systems>
+<Environmental Control Systems, installs, Member Management Systems>
+<Interactive Display Development, connectedTo, Member Management Systems>
+<Interactive Display Development, protects, Environmental Control Systems>
+<Member Management Systems, connectedTo, Soundscape Design>
+<Multisensory Exhibits, connectedTo, Interactive Display Development>
+<RFID for Object Tracking, informs, Digital Storytelling>
+<Soundscape Design, connectedTo, Crowdsourcing for Collections>
diff --git a/test/mermaid/easy/mermaid_297.mmd b/test/mermaid/easy/mermaid_297.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5d1c0b812c974465f4f31acec9ed0a1d4e7575a2
--- /dev/null
+++ b/test/mermaid/easy/mermaid_297.mmd
@@ -0,0 +1,38 @@
+graph RL
+    N0([3D Scanning of Artifacts])
+    N1[[Collection Digitization]]
+    N2[Wayfinding Systems]
+    N3([Virtual Tours])
+    N4(Accessibility Technology for Visitors)
+    N5([Educational Technology Integration])
+    N6(Augmented Reality Experiences)
+    N7[Cybersecurity for Museum Data]
+    N8([end])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> |gamifies| N4
+    N4 --> N5
+    N5 -.-> |protects| N6
+    N6 -.-> N7
+    N7 -.-> |renders| N8
+    N5 -.-> |curates| N7
+    style N0 fill:#FFF9D4,stroke:#FFE69C
+    style N1 fill:#EDF5F3,stroke:#A1D7CD
+    style N2 fill:#F0F0F0,stroke:#D2D2D2
+    style N3 fill:#FFF9D4,stroke:#FFE69C
+    style N4 fill:#EDF5F3,stroke:#A1D7CD
+    style N5 fill:#F0F0F0,stroke:#D2D2D2
+    style N6 fill:#FFF9D4,stroke:#FFE69C
+    style N7 fill:#F0F0F0,stroke:#D2D2D2
+    style N8 fill:#F0F0F0,stroke:#D2D2D2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFE69C,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_297.txt b/test/mermaid/easy/mermaid_297.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bd99cb3602cfad6ebd2e80b9d0fa3693a46dca2b
--- /dev/null
+++ b/test/mermaid/easy/mermaid_297.txt
@@ -0,0 +1,9 @@
+<3D Scanning of Artifacts, connectedTo, Collection Digitization>
+<Accessibility Technology for Visitors, connectedTo, Educational Technology Integration>
+<Augmented Reality Experiences, connectedTo, Cybersecurity for Museum Data>
+<Collection Digitization, connectedTo, Wayfinding Systems>
+<Cybersecurity for Museum Data, renders, end>
+<Educational Technology Integration, curates, Cybersecurity for Museum Data>
+<Educational Technology Integration, protects, Augmented Reality Experiences>
+<Virtual Tours, gamifies, Accessibility Technology for Visitors>
+<Wayfinding Systems, connectedTo, Virtual Tours>
diff --git a/test/mermaid/easy/mermaid_299.txt b/test/mermaid/easy/mermaid_299.txt
new file mode 100644
index 0000000000000000000000000000000000000000..763e46616540d0e61919fabcb2dfc3e0b93d4de8
--- /dev/null
+++ b/test/mermaid/easy/mermaid_299.txt
@@ -0,0 +1,12 @@
+<Conflict of Interest Management, connectedTo, Incident Response Planning>
+<Ethical AI Guidelines, consults, Export Control Compliance>
+<Ethics Committee Formation, assesses, Product Safety Compliance>
+<Export Control Compliance, regulations, end>
+<Fair Competition Compliance, connectedTo, Legal Advisory>
+<Incident Response Planning, connectedTo, Ethical AI Guidelines>
+<Legal Advisory, counsels, Ethics Committee Formation>
+<Product Safety Compliance, advises, Ethical AI Guidelines>
+<Product Safety Compliance, connectedTo, Conflict of Interest Management>
+<Supplier Code of Conduct, connectedTo, Transparent Communication>
+<Transparent Communication, protects, Fair Competition Compliance>
+<start, respects, Supplier Code of Conduct>
diff --git a/test/mermaid/easy/mermaid_3.mmd b/test/mermaid/easy/mermaid_3.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..046eb30c30a7f5066a48e1106ab9e6759fe7dd1f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_3.mmd
@@ -0,0 +1,48 @@
+graph TD
+    N0([Underwriting])
+    N1[Approval Decision]
+    N2[(Account Verification)]
+    N3([Risk Assessment])
+    N4[(Cryptocurrency Exchange)]
+    N5(Collateral Evaluation)
+    N6(Mortgage Application)
+    N7{Investment Planning}
+    N8[[Financial Advisory]]
+    N9[Blockchain Verification]
+    N10([end])
+    N0 -.-> |flags| N1
+    N1 --> |forecasts| N2
+    N2 --> N3
+    N3 --> |processes| N4
+    N4 --> |loans| N5
+    N5 --> |allocates| N6
+    N6 -.-> N7
+    N7 -.-> |screens| N8
+    N8 -.-> N9
+    N9 --> N10
+    N4 --> |audits| N3
+    N9 --> |calculates| N7
+    style N0 fill:#FFF6D9,stroke:#FFCC7A
+    style N1 fill:#ECEFF1,stroke:#90A4AE
+    style N2 fill:#E8EAF6,stroke:#5C6BC0
+    style N3 fill:#FFF6D9,stroke:#FFCC7A
+    style N4 fill:#E8EAF6,stroke:#5C6BC0
+    style N5 fill:#E8EAF6,stroke:#5C6BC0
+    style N6 fill:#ECEFF1,stroke:#90A4AE
+    style N7 fill:#ECEFF1,stroke:#90A4AE
+    style N8 fill:#ECEFF1,stroke:#90A4AE
+    style N9 fill:#E8EAF6,stroke:#5C6BC0
+    style N10 fill:#E8EAF6,stroke:#5C6BC0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_30.txt b/test/mermaid/easy/mermaid_30.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2dd7e6a1328fcc8b1f506010a3c87c7f03d1d407
--- /dev/null
+++ b/test/mermaid/easy/mermaid_30.txt
@@ -0,0 +1,8 @@
+<Bill Generation, connects, Plan Renewal>
+<Network Upgrade, connectedTo, Service Complaint>
+<Number Porting, connectedTo, Troubleshooting Guide>
+<Plan Renewal, manages, Number Porting>
+<Service Complaint, connectedTo, Bill Generation>
+<Troubleshooting Guide, authenticates, Service Complaint>
+<Troubleshooting Guide, connectedTo, end>
+<Usage Monitoring, routes, Network Upgrade>
diff --git a/test/mermaid/easy/mermaid_300.mmd b/test/mermaid/easy/mermaid_300.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a06b8f2a1580df63282d1226af1f1febeca0b764
--- /dev/null
+++ b/test/mermaid/easy/mermaid_300.mmd
@@ -0,0 +1,29 @@
+graph BT
+    N0([start])
+    N1[/Product Safety Compliance/]
+    N2{Ethical AI Guidelines}
+    N3[/Financial Regulations Compliance/]
+    N4[Risk Assessment]
+    N5[/Regulatory Interpretation/]
+    N6[Data Ethics]
+    N7(Anti_Bribery and Corruption Compliance)
+    N8([end])
+    N0 -.-> |no| N1
+    N1 --> |no| N2
+    N2 --> |no| N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> |yes| N7
+    N7 --> N8
+    N3 -.-> |no| N5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFF9AE,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_302.txt b/test/mermaid/easy/mermaid_302.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e45268fbeafe3378025fb3b220619d21de4a4e20
--- /dev/null
+++ b/test/mermaid/easy/mermaid_302.txt
@@ -0,0 +1,9 @@
+<Cold Case Review, yes, DNA Profiling>
+<DNA Profiling, connectedTo, Document Examination>
+<Document Examination, no, end>
+<Forensic Pathology, yes, Cold Case Review>
+<Legal Standards Compliance, no, Toxicology Testing>
+<Mobile Device Forensics, no, Legal Standards Compliance>
+<Mobile Device Forensics, yes, Forensic Pathology>
+<Toxicology Testing, connectedTo, Mobile Device Forensics>
+<start, connectedTo, Legal Standards Compliance>
diff --git a/test/mermaid/easy/mermaid_303.txt b/test/mermaid/easy/mermaid_303.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ace12cabdf534b819285c64c7119c058fe699ea1
--- /dev/null
+++ b/test/mermaid/easy/mermaid_303.txt
@@ -0,0 +1,10 @@
+<Digital Forensics, connectedTo, Document Examination>
+<Document Examination, yes, Malware Analysis>
+<Evidence Preservation, no, Forensic Botany>
+<Evidence Preservation, no, Laboratory Analysis>
+<Fingerprint Analysis, connectedTo, Evidence Preservation>
+<Forensic Botany, no, Digital Forensics>
+<Laboratory Analysis, yes, Polygraph Examination>
+<Malware Analysis, connectedTo, Laboratory Analysis>
+<Polygraph Examination, yes, end>
+<start, yes, Fingerprint Analysis>
diff --git a/test/mermaid/easy/mermaid_304.mmd b/test/mermaid/easy/mermaid_304.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d927fcea9b43010001827b3a5174f765e72631a0
--- /dev/null
+++ b/test/mermaid/easy/mermaid_304.mmd
@@ -0,0 +1,36 @@
+graph BT
+    N0([start])
+    N1[/Port Security/]
+    N2[(Information Sharing)]
+    N3[Post_Incident Recovery]
+    N4[[Border Security]]
+    N5[Risk_Based Security Measures]
+    N6[Drone Countermeasures]
+    N7([end])
+    N0 -.-> N1
+    N1 -.-> |alerts| N2
+    N2 --> N3
+    N3 --> |targets_protects| N4
+    N4 -.-> |weapons_interdicts| N5
+    N5 -.-> |strategies_plans| N6
+    N6 -.-> N7
+    N3 -.-> N7
+    N3 --> |investigates| N6
+    style N0 fill:#F3E5F5,stroke:#BA68C8
+    style N1 fill:#D3D7EB,stroke:#8C9EFF
+    style N2 fill:#D3D7EB,stroke:#8C9EFF
+    style N3 fill:#D3D7EB,stroke:#8C9EFF
+    style N4 fill:#F3E5F5,stroke:#BA68C8
+    style N5 fill:#D3F7F9,stroke:#80DDEA
+    style N6 fill:#F3E5F5,stroke:#BA68C8
+    style N7 fill:#F3E5F5,stroke:#BA68C8
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_304.txt b/test/mermaid/easy/mermaid_304.txt
new file mode 100644
index 0000000000000000000000000000000000000000..24c05d0ddcc112b5785a599bd89bee31d09e93cc
--- /dev/null
+++ b/test/mermaid/easy/mermaid_304.txt
@@ -0,0 +1,9 @@
+<Border Security, weapons_interdicts, Risk_Based Security Measures>
+<Drone Countermeasures, connectedTo, end>
+<Information Sharing, connectedTo, Post_Incident Recovery>
+<Port Security, alerts, Information Sharing>
+<Post_Incident Recovery, connectedTo, end>
+<Post_Incident Recovery, investigates, Drone Countermeasures>
+<Post_Incident Recovery, targets_protects, Border Security>
+<Risk_Based Security Measures, strategies_plans, Drone Countermeasures>
+<start, connectedTo, Port Security>
diff --git a/test/mermaid/easy/mermaid_305.txt b/test/mermaid/easy/mermaid_305.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2d052ef0c6febbd4bae1634c7b007dee3147dfb2
--- /dev/null
+++ b/test/mermaid/easy/mermaid_305.txt
@@ -0,0 +1,8 @@
+<Emergency Preparedness, connectedTo, Post_Incident Recovery>
+<Information Sharing, exercises_conducts, Transportation Security>
+<Information Sharing, rescues_hostages, Port Security>
+<Post_Incident Recovery, connectedTo, Port Security>
+<Terrorism Financing Interdiction, connectedTo, Training Exercises>
+<Training Exercises, secures, Information Sharing>
+<Transportation Security, connectedTo, Emergency Preparedness>
+<start, partners_engages, Terrorism Financing Interdiction>
diff --git a/test/mermaid/easy/mermaid_306.mmd b/test/mermaid/easy/mermaid_306.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..3ce732e986c1a08e1cd5a55cea1dff005b9e8bca
--- /dev/null
+++ b/test/mermaid/easy/mermaid_306.mmd
@@ -0,0 +1,46 @@
+graph LR
+    N0([start])
+    N1[(Threat Assessment)]
+    N2[/International Cooperation/]
+    N3[[Emergency Preparedness]]
+    N4(Early Warning Systems)
+    N5(Psychological Operations)
+    N6(Radicalization Prevention)
+    N7[Surveillance and Monitoring]
+    N8(Critical Infrastructure Protection)
+    N9[/Terrorism Financing Interdiction/]
+    N10([end])
+    N0 -.-> N1
+    N1 --> |exercises_conducts| N2
+    N2 --> |intelligence_gathers| N3
+    N3 --> |monitors| N4
+    N4 -.-> |mitigates| N5
+    N5 --> N6
+    N6 --> |border_controls| N7
+    N7 --> |trains| N8
+    N8 --> N9
+    N9 --> |cyber_defends| N10
+    N8 --> |analyzes| N6
+    style N0 fill:#E6EE9C,stroke:#CDDC39
+    style N1 fill:#CADEDE,stroke:#94C0C0
+    style N2 fill:#E6EE9C,stroke:#CDDC39
+    style N3 fill:#CADEDE,stroke:#94C0C0
+    style N4 fill:#EDE7F6,stroke:#9575CD
+    style N5 fill:#CADEDE,stroke:#94C0C0
+    style N6 fill:#CADEDE,stroke:#94C0C0
+    style N7 fill:#E6EE9C,stroke:#CDDC39
+    style N8 fill:#E6EE9C,stroke:#CDDC39
+    style N9 fill:#CADEDE,stroke:#94C0C0
+    style N10 fill:#CADEDE,stroke:#94C0C0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#9575CD,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_307.mmd b/test/mermaid/easy/mermaid_307.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..6553028567f4091aab886abfc57c79b3056cbf0f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_307.mmd
@@ -0,0 +1,36 @@
+graph LR
+    N0([Drone Surveillance])
+    N1[Facial Recognition Systems]
+    N2[Cyber Surveillance]
+    N3{Biometric Data Analysis}
+    N4[[Border Surveillance]]
+    N5[[Social Media Monitoring]]
+    N6([GPS Tracking])
+    N7([Industrial Surveillance])
+    N0 -.-> |deploys| N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> |shares| N4
+    N4 --> N5
+    N5 -.-> |installs| N6
+    N6 --> N7
+    N5 -.-> N4
+    N3 --> |audits| N5
+    style N0 fill:#FFF6D9,stroke:#FFCC7A
+    style N1 fill:#FFF6D9,stroke:#FFCC7A
+    style N2 fill:#DFE7EB,stroke:#B0C5CD
+    style N3 fill:#FFF6D9,stroke:#FFCC7A
+    style N4 fill:#DFE7EB,stroke:#B0C5CD
+    style N5 fill:#DFE7EB,stroke:#B0C5CD
+    style N6 fill:#FFF6D9,stroke:#FFCC7A
+    style N7 fill:#C9EFEC,stroke:#6FE1D5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFCC7A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_307.txt b/test/mermaid/easy/mermaid_307.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1d4375cf0c2ad396f640212f531c74a86b13d3e8
--- /dev/null
+++ b/test/mermaid/easy/mermaid_307.txt
@@ -0,0 +1,9 @@
+<Biometric Data Analysis, audits, Social Media Monitoring>
+<Biometric Data Analysis, shares, Border Surveillance>
+<Border Surveillance, connectedTo, Social Media Monitoring>
+<Cyber Surveillance, connectedTo, Biometric Data Analysis>
+<Drone Surveillance, deploys, Facial Recognition Systems>
+<Facial Recognition Systems, connectedTo, Cyber Surveillance>
+<GPS Tracking, connectedTo, Industrial Surveillance>
+<Social Media Monitoring, connectedTo, Border Surveillance>
+<Social Media Monitoring, installs, GPS Tracking>
diff --git a/test/mermaid/easy/mermaid_308.mmd b/test/mermaid/easy/mermaid_308.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1c7a1ffdd3f56ee0335fe8ed28f9772887e5535d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_308.mmd
@@ -0,0 +1,34 @@
+graph TD
+    N0([Wildlife Tracking])
+    N1(Biometric Data Analysis)
+    N2[Intrusion Detection]
+    N3[Industrial Surveillance]
+    N4[[Behavioral Analytics]]
+    N5[[CCTV Monitoring]]
+    N6[Pattern Recognition]
+    N7([end])
+    N0 -.-> |retrieves| N1
+    N1 -.-> N2
+    N2 -.-> |deploys| N3
+    N3 --> |tracks| N4
+    N4 --> N5
+    N5 -.-> |observes| N6
+    N6 --> |notifies| N7
+    N5 --> N4
+    style N0 fill:#FDFCEB,stroke:#EAEFA5
+    style N1 fill:#F6F6F6,stroke:#CFCFCF
+    style N2 fill:#FDFCEB,stroke:#EAEFA5
+    style N3 fill:#F6F6F6,stroke:#CFCFCF
+    style N4 fill:#FDFCEB,stroke:#EAEFA5
+    style N5 fill:#FCE4EC,stroke:#E91E63
+    style N6 fill:#FDFCEB,stroke:#EAEFA5
+    style N7 fill:#F6F6F6,stroke:#CFCFCF
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#CFCFCF,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_309.mmd b/test/mermaid/easy/mermaid_309.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..caa975d6f2f2022d8a89c9b9a28d5a3822214606
--- /dev/null
+++ b/test/mermaid/easy/mermaid_309.mmd
@@ -0,0 +1,40 @@
+graph BT
+    N0([Intrusion Detection])
+    N1[(Data Collection)]
+    N2{GPS Tracking}
+    N3([Legal Compliance])
+    N4[Night Vision Technology]
+    N5(Real_time Alerts)
+    N6[(Video Analytics)]
+    N7[/Automated Threat Detection/]
+    N8([end])
+    N0 --> |privacy_protects| N1
+    N1 -.-> |complies| N2
+    N2 --> |observes| N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> |retrieves| N6
+    N6 --> N7
+    N7 --> |searches| N8
+    N8 --> N0
+    N7 --> |alerts| N1
+    style N0 fill:#FBE9E7,stroke:#FF8A65
+    style N1 fill:#DED7F0,stroke:#A188DB
+    style N2 fill:#DED7F0,stroke:#A188DB
+    style N3 fill:#FBE9E7,stroke:#FF8A65
+    style N4 fill:#DFE7EB,stroke:#B0C5CD
+    style N5 fill:#FBE9E7,stroke:#FF8A65
+    style N6 fill:#FBE9E7,stroke:#FF8A65
+    style N7 fill:#FBE9E7,stroke:#FF8A65
+    style N8 fill:#FBE9E7,stroke:#FF8A65
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FF8A65,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_309.txt b/test/mermaid/easy/mermaid_309.txt
new file mode 100644
index 0000000000000000000000000000000000000000..25e517434eb24c916ba20852136fff2f4a8bc862
--- /dev/null
+++ b/test/mermaid/easy/mermaid_309.txt
@@ -0,0 +1,10 @@
+<Automated Threat Detection, alerts, Data Collection>
+<Automated Threat Detection, searches, end>
+<Data Collection, complies, GPS Tracking>
+<GPS Tracking, observes, Legal Compliance>
+<Intrusion Detection, privacy_protects, Data Collection>
+<Legal Compliance, connectedTo, Night Vision Technology>
+<Night Vision Technology, connectedTo, Real_time Alerts>
+<Real_time Alerts, retrieves, Video Analytics>
+<Video Analytics, connectedTo, Automated Threat Detection>
+<end, connectedTo, Intrusion Detection>
diff --git a/test/mermaid/easy/mermaid_31.txt b/test/mermaid/easy/mermaid_31.txt
new file mode 100644
index 0000000000000000000000000000000000000000..08ca8f8417b62b1d98d6648684513d6a10ce3ead
--- /dev/null
+++ b/test/mermaid/easy/mermaid_31.txt
@@ -0,0 +1,11 @@
+<Aquaculture Farming, connectedTo, end>
+<Automated Milking, connectedTo, Aquaculture Farming>
+<Drone Scouting, waters, Pest Spraying>
+<Fencing Installation, connectedTo, Automated Milking>
+<Fertilizer Application, connectedTo, Produce Sorting>
+<Packaging for Sale, connectedTo, Drone Scouting>
+<Packaging for Sale, tests, Soil Testing>
+<Pest Spraying, connectedTo, Automated Milking>
+<Pest Spraying, transports, Fertilizer Application>
+<Produce Sorting, certifies, Fencing Installation>
+<Soil Testing, sensors, Packaging for Sale>
diff --git a/test/mermaid/easy/mermaid_310.mmd b/test/mermaid/easy/mermaid_310.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..70d93b0e31fa432c6b1d818d06953efd9e391d45
--- /dev/null
+++ b/test/mermaid/easy/mermaid_310.mmd
@@ -0,0 +1,37 @@
+graph LR
+    N0([start])
+    N1([Crime Prevention Through Education])
+    N2{Mediation Services}
+    N3(Deterrence Strategies)
+    N4(Environmental Design)
+    N5[Gang Intervention]
+    N6[Crisis Intervention]
+    N7[(Policy Development for Prevention)]
+    N8(Target Hardening)
+    N9{Identity Theft Prevention}
+    N10([end])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> |no| N3
+    N3 -.-> |no| N4
+    N4 --> |no| N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> |yes| N9
+    N9 -.-> |yes| N10
+    N10 --> |yes| N9
+    N10 --> N0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_310.txt b/test/mermaid/easy/mermaid_310.txt
new file mode 100644
index 0000000000000000000000000000000000000000..051caf109e04fc446654b53ee5740994dd6c2e41
--- /dev/null
+++ b/test/mermaid/easy/mermaid_310.txt
@@ -0,0 +1,12 @@
+<Crime Prevention Through Education, connectedTo, Mediation Services>
+<Crisis Intervention, connectedTo, Policy Development for Prevention>
+<Deterrence Strategies, no, Environmental Design>
+<Environmental Design, no, Gang Intervention>
+<Gang Intervention, connectedTo, Crisis Intervention>
+<Identity Theft Prevention, yes, end>
+<Mediation Services, no, Deterrence Strategies>
+<Policy Development for Prevention, connectedTo, Target Hardening>
+<Target Hardening, yes, Identity Theft Prevention>
+<end, connectedTo, start>
+<end, yes, Identity Theft Prevention>
+<start, connectedTo, Crime Prevention Through Education>
diff --git a/test/mermaid/easy/mermaid_311.mmd b/test/mermaid/easy/mermaid_311.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..71cf81f8c63ee462e73a5f44693f42538515e9f2
--- /dev/null
+++ b/test/mermaid/easy/mermaid_311.mmd
@@ -0,0 +1,34 @@
+graph LR
+    N0([start])
+    N1[Cybercrime Prevention]
+    N2[(Community Policing)]
+    N3(Crime Prevention Through Education)
+    N4[(Drug Prevention Initiatives)]
+    N5([CCTV Installation])
+    N6[(Public Awareness Campaigns)]
+    N7([Police_Community Relations])
+    N8[Technology for Prevention]
+    N9([end])
+    N0 --> |no| N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> |no| N6
+    N6 -.-> |yes| N7
+    N7 --> |no| N8
+    N8 -.-> |no| N9
+    N0 -.-> |yes| N4
+    N6 --> |yes| N4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#3F51B5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_311.txt b/test/mermaid/easy/mermaid_311.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c033883456510cc1d52b3df7ff19c49a1ff3bc3a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_311.txt
@@ -0,0 +1,11 @@
+<CCTV Installation, no, Public Awareness Campaigns>
+<Community Policing, connectedTo, Crime Prevention Through Education>
+<Crime Prevention Through Education, connectedTo, Drug Prevention Initiatives>
+<Cybercrime Prevention, connectedTo, Community Policing>
+<Drug Prevention Initiatives, connectedTo, CCTV Installation>
+<Police_Community Relations, no, Technology for Prevention>
+<Public Awareness Campaigns, yes, Drug Prevention Initiatives>
+<Public Awareness Campaigns, yes, Police_Community Relations>
+<Technology for Prevention, no, end>
+<start, no, Cybercrime Prevention>
+<start, yes, Drug Prevention Initiatives>
diff --git a/test/mermaid/easy/mermaid_312.mmd b/test/mermaid/easy/mermaid_312.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..06138d180e639f5b1209aaf934bea31a10471f70
--- /dev/null
+++ b/test/mermaid/easy/mermaid_312.mmd
@@ -0,0 +1,50 @@
+graph TD
+    N0([start])
+    N1[(Crisis Intervention)]
+    N2[[School Safety Programs]]
+    N3{Burglary Prevention}
+    N4[Environmental Design]
+    N5(Vehicle Theft Prevention)
+    N6[Identity Theft Prevention]
+    N7(Cybercrime Prevention)
+    N8[Neighborhood Watch Programs]
+    N9[Data Sharing Initiatives]
+    N10(Crime Prevention Through Education)
+    N11([Community Policing])
+    N0 -.-> |consults| N1
+    N1 -.-> N2
+    N2 -.-> |predicts| N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> |investigates| N6
+    N6 --> N7
+    N7 -.-> |programs_initiates| N8
+    N8 --> |alerts| N9
+    N9 --> N10
+    N10 --> |responds| N11
+    N2 -.-> |audits| N10
+    style N0 fill:#FCE4EC,stroke:#F06292
+    style N1 fill:#E0F2F1,stroke:#4DB6AC
+    style N2 fill:#E0F2F1,stroke:#4DB6AC
+    style N3 fill:#ECF0FD,stroke:#B8C0F5
+    style N4 fill:#ECF0FD,stroke:#B8C0F5
+    style N5 fill:#FCE4EC,stroke:#F06292
+    style N6 fill:#E0F2F1,stroke:#4DB6AC
+    style N7 fill:#ECF0FD,stroke:#B8C0F5
+    style N8 fill:#E0F2F1,stroke:#4DB6AC
+    style N9 fill:#FCE4EC,stroke:#F06292
+    style N10 fill:#FCE4EC,stroke:#F06292
+    style N11 fill:#E0F2F1,stroke:#4DB6AC
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#B8C0F5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_313.mmd b/test/mermaid/easy/mermaid_313.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c4a73069e87f14b94195f18e026ab2feb8f894d6
--- /dev/null
+++ b/test/mermaid/easy/mermaid_313.mmd
@@ -0,0 +1,48 @@
+graph BT
+    N0([Ecosystem Services Valuation])
+    N1[(Protected Area Management)]
+    N2(Invasive Species Control)
+    N3[Freshwater Conservation]
+    N4[Species Monitoring]
+    N5([Conservation Education])
+    N6(Translocation of Species)
+    N7[(Law Enforcement)]
+    N8([Marine Conservation])
+    N9[/Genetic Diversity Analysis/]
+    N10([end])
+    N0 --> N1
+    N1 --> |invasive_removes| N2
+    N2 --> |climate_adapts| N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> |restores| N6
+    N6 -.-> |warns| N7
+    N7 --> |habitats_preserves| N8
+    N8 --> |rehabilitates| N9
+    N9 --> N10
+    N3 -.-> N7
+    N0 --> N7
+    style N0 fill:#EDF5F3,stroke:#A1D7CD
+    style N1 fill:#E0F2F1,stroke:#26A69A
+    style N2 fill:#FFDAB9,stroke:#FFC085
+    style N3 fill:#E0F2F1,stroke:#26A69A
+    style N4 fill:#FFDAB9,stroke:#FFC085
+    style N5 fill:#FFDAB9,stroke:#FFC085
+    style N6 fill:#E0F2F1,stroke:#26A69A
+    style N7 fill:#E0F2F1,stroke:#26A69A
+    style N8 fill:#FFDAB9,stroke:#FFC085
+    style N9 fill:#FFDAB9,stroke:#FFC085
+    style N10 fill:#EDF5F3,stroke:#A1D7CD
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_313.txt b/test/mermaid/easy/mermaid_313.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8531b89008d920b34740b875539920cd23fc7694
--- /dev/null
+++ b/test/mermaid/easy/mermaid_313.txt
@@ -0,0 +1,12 @@
+<Conservation Education, restores, Translocation of Species>
+<Ecosystem Services Valuation, connectedTo, Law Enforcement>
+<Ecosystem Services Valuation, connectedTo, Protected Area Management>
+<Freshwater Conservation, connectedTo, Law Enforcement>
+<Freshwater Conservation, connectedTo, Species Monitoring>
+<Genetic Diversity Analysis, connectedTo, end>
+<Invasive Species Control, climate_adapts, Freshwater Conservation>
+<Law Enforcement, habitats_preserves, Marine Conservation>
+<Marine Conservation, rehabilitates, Genetic Diversity Analysis>
+<Protected Area Management, invasive_removes, Invasive Species Control>
+<Species Monitoring, connectedTo, Conservation Education>
+<Translocation of Species, warns, Law Enforcement>
diff --git a/test/mermaid/easy/mermaid_314.mmd b/test/mermaid/easy/mermaid_314.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..517a71048f8a41b65809c55fff5d3a10f65ce121
--- /dev/null
+++ b/test/mermaid/easy/mermaid_314.mmd
@@ -0,0 +1,35 @@
+graph LR
+    N0([start])
+    N1([Captive Breeding Programs])
+    N2[[Carbon Sequestration in Habitats]]
+    N3[(Community Engagement)]
+    N4[Law Enforcement]
+    N5[Ecosystem Services Valuation]
+    N6[(Rewilding Initiatives)]
+    N7(Ecotourism Management)
+    N8(Sustainable Resource Management)
+    N9(Satellite Tracking of Animals)
+    N10([end])
+    N0 -.-> |no| N1
+    N1 -.-> |yes| N2
+    N2 --> N3
+    N3 -.-> |yes| N4
+    N4 --> |yes| N5
+    N5 -.-> N6
+    N6 -.-> |yes| N7
+    N7 --> N8
+    N8 --> |no| N9
+    N9 -.-> |yes| N10
+    N4 --> |yes| N1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#A1D7CD,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_315.mmd b/test/mermaid/easy/mermaid_315.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..27ad4fcfdea74fdb30b79020aa512d4f62d34369
--- /dev/null
+++ b/test/mermaid/easy/mermaid_315.mmd
@@ -0,0 +1,36 @@
+graph LR
+    N0([Protected Area Management])
+    N1[/Freshwater Conservation/]
+    N2(Camera Trap Deployment)
+    N3(Conservation Education)
+    N4[(Sustainable Resource Management)]
+    N5[Data Management for Conservation]
+    N6(Marine Conservation)
+    N7([Satellite Tracking of Animals])
+    N0 -.-> N1
+    N1 -.-> |alerts| N2
+    N2 --> |policies_influences| N3
+    N3 -.-> |partners| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> |researches| N7
+    N0 -.-> N4
+    N6 -.-> |predicts_changes| N4
+    style N0 fill:#FFDAB9,stroke:#FFC085
+    style N1 fill:#ECCFF5,stroke:#CD8FF2
+    style N2 fill:#ECCFF5,stroke:#CD8FF2
+    style N3 fill:#E1F5FE,stroke:#4FC3F7
+    style N4 fill:#ECCFF5,stroke:#CD8FF2
+    style N5 fill:#FFDAB9,stroke:#FFC085
+    style N6 fill:#E1F5FE,stroke:#4FC3F7
+    style N7 fill:#FFDAB9,stroke:#FFC085
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_315.txt b/test/mermaid/easy/mermaid_315.txt
new file mode 100644
index 0000000000000000000000000000000000000000..624dbbcb0a175aab071b3ec0bc4b245d22933e85
--- /dev/null
+++ b/test/mermaid/easy/mermaid_315.txt
@@ -0,0 +1,9 @@
+<Camera Trap Deployment, policies_influences, Conservation Education>
+<Conservation Education, partners, Sustainable Resource Management>
+<Data Management for Conservation, connectedTo, Marine Conservation>
+<Freshwater Conservation, alerts, Camera Trap Deployment>
+<Marine Conservation, predicts_changes, Sustainable Resource Management>
+<Marine Conservation, researches, Satellite Tracking of Animals>
+<Protected Area Management, connectedTo, Freshwater Conservation>
+<Protected Area Management, connectedTo, Sustainable Resource Management>
+<Sustainable Resource Management, connectedTo, Data Management for Conservation>
diff --git a/test/mermaid/easy/mermaid_316.mmd b/test/mermaid/easy/mermaid_316.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..6998fca5ba780db28cdfb803ff92b629b2c51883
--- /dev/null
+++ b/test/mermaid/easy/mermaid_316.mmd
@@ -0,0 +1,26 @@
+graph LR
+    N0([start])
+    N1(Ocean Data Archiving)
+    N2(Tsunami Prediction)
+    N3(Ocean Floor Mapping)
+    N4(Marine Remote Sensing)
+    N5(Plastic Pollution Research)
+    N6([Ocean Modeling])
+    N7([end])
+    N0 -.-> |yes| N1
+    N1 --> |yes| N2
+    N2 -.-> N3
+    N3 --> |no| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> |no| N7
+    N2 --> N1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#7E57C2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_317.mmd b/test/mermaid/easy/mermaid_317.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f09e11ff37de2eaa2ea11aca3e33a0e2cd996cc5
--- /dev/null
+++ b/test/mermaid/easy/mermaid_317.mmd
@@ -0,0 +1,44 @@
+graph LR
+    N0([Marine Geology])
+    N1(Coastal Erosion Research)
+    N2[[Hydrothermal Vent Exploration]]
+    N3[Chemical Oceanography]
+    N4[/Seabed Resource Exploration/]
+    N5(Polar Oceanography)
+    N6(Coastal Zone Management)
+    N7[/Tsunami Prediction/]
+    N8(Marine Hazards Assessment)
+    N9([end])
+    N0 -.-> |analyzes_data| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> |samples| N4
+    N4 --> |explores| N5
+    N5 -.-> |researches| N6
+    N6 --> N7
+    N7 --> |temperature| N8
+    N8 --> N9
+    N2 -.-> |charts| N7
+    N1 --> |educates| N9
+    style N0 fill:#C5CAE9,stroke:#3F51B5
+    style N1 fill:#C5CAE9,stroke:#3F51B5
+    style N2 fill:#FFFCE6,stroke:#FFF9AE
+    style N3 fill:#C5CAE9,stroke:#3F51B5
+    style N4 fill:#C5CAE9,stroke:#3F51B5
+    style N5 fill:#FFFCE6,stroke:#FFF9AE
+    style N6 fill:#C5CAE9,stroke:#3F51B5
+    style N7 fill:#D1C4E9,stroke:#673AB7
+    style N8 fill:#D1C4E9,stroke:#673AB7
+    style N9 fill:#D1C4E9,stroke:#673AB7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#673AB7,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_317.txt b/test/mermaid/easy/mermaid_317.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6c544bfd284f7e37b404686e8d47168b8399a917
--- /dev/null
+++ b/test/mermaid/easy/mermaid_317.txt
@@ -0,0 +1,11 @@
+<Chemical Oceanography, samples, Seabed Resource Exploration>
+<Coastal Erosion Research, connectedTo, Hydrothermal Vent Exploration>
+<Coastal Erosion Research, educates, end>
+<Coastal Zone Management, connectedTo, Tsunami Prediction>
+<Hydrothermal Vent Exploration, charts, Tsunami Prediction>
+<Hydrothermal Vent Exploration, connectedTo, Chemical Oceanography>
+<Marine Geology, analyzes_data, Coastal Erosion Research>
+<Marine Hazards Assessment, connectedTo, end>
+<Polar Oceanography, researches, Coastal Zone Management>
+<Seabed Resource Exploration, explores, Polar Oceanography>
+<Tsunami Prediction, temperature, Marine Hazards Assessment>
diff --git a/test/mermaid/easy/mermaid_318.mmd b/test/mermaid/easy/mermaid_318.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..defdc05c462be583f6f39976e6dc1e2dc1188672
--- /dev/null
+++ b/test/mermaid/easy/mermaid_318.mmd
@@ -0,0 +1,38 @@
+graph LR
+    N0([Salinity Measurement])
+    N1[[Ocean Temperature Sensing]]
+    N2[(Coral Reef Monitoring)]
+    N3[[Ocean Drilling Programs]]
+    N4([Sediment Analysis])
+    N5(Marine Hazards Assessment)
+    N6[Ocean Acidification Research]
+    N7[(Satellite Oceanography)]
+    N8([Marine Ecosystem Health])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> |pollution| N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> |reports| N7
+    N7 -.-> |simulates| N8
+    N5 -.-> |surveys| N7
+    style N0 fill:#FFE0B2,stroke:#FF9800
+    style N1 fill:#FFE0B2,stroke:#FF9800
+    style N2 fill:#FFE0B2,stroke:#FF9800
+    style N3 fill:#F8BBD0,stroke:#E91E63
+    style N4 fill:#FFE0B2,stroke:#FF9800
+    style N5 fill:#F0F4C3,stroke:#AED581
+    style N6 fill:#F8BBD0,stroke:#E91E63
+    style N7 fill:#FFE0B2,stroke:#FF9800
+    style N8 fill:#F8BBD0,stroke:#E91E63
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E91E63,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_318.txt b/test/mermaid/easy/mermaid_318.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e708fc79f383261f42303be973026cdb24d6d759
--- /dev/null
+++ b/test/mermaid/easy/mermaid_318.txt
@@ -0,0 +1,9 @@
+<Coral Reef Monitoring, connectedTo, Ocean Drilling Programs>
+<Marine Hazards Assessment, connectedTo, Ocean Acidification Research>
+<Marine Hazards Assessment, surveys, Satellite Oceanography>
+<Ocean Acidification Research, reports, Satellite Oceanography>
+<Ocean Drilling Programs, pollution, Sediment Analysis>
+<Ocean Temperature Sensing, connectedTo, Coral Reef Monitoring>
+<Salinity Measurement, connectedTo, Ocean Temperature Sensing>
+<Satellite Oceanography, simulates, Marine Ecosystem Health>
+<Sediment Analysis, connectedTo, Marine Hazards Assessment>
diff --git a/test/mermaid/easy/mermaid_319.mmd b/test/mermaid/easy/mermaid_319.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e1053f710809c0de49b12202ff95014b121d08b5
--- /dev/null
+++ b/test/mermaid/easy/mermaid_319.mmd
@@ -0,0 +1,35 @@
+graph BT
+    N0([start])
+    N1{Tectonic Stress Measurement}
+    N2[Glacial Seismology]
+    N3(Seismic Risk Mitigation)
+    N4[Magnitude Determination]
+    N5{Planetary Seismology}
+    N6[/Seismic Wave Analysis/]
+    N7(Induced Seismicity Monitoring)
+    N8([Earth Structure Imaging])
+    N9[Fault Line Mapping]
+    N10([end])
+    N0 --> |yes| N1
+    N1 -.-> |yes| N2
+    N2 -.-> |yes| N3
+    N3 -.-> |yes| N4
+    N4 --> |no| N5
+    N5 -.-> N6
+    N6 -.-> |no| N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> |yes| N10
+    N7 -.-> |no| N2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#AED581,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_319.txt b/test/mermaid/easy/mermaid_319.txt
new file mode 100644
index 0000000000000000000000000000000000000000..63ca4da8423576920581e9bdf04444416dc3b9c3
--- /dev/null
+++ b/test/mermaid/easy/mermaid_319.txt
@@ -0,0 +1,11 @@
+<Earth Structure Imaging, connectedTo, Fault Line Mapping>
+<Fault Line Mapping, yes, end>
+<Glacial Seismology, yes, Seismic Risk Mitigation>
+<Induced Seismicity Monitoring, connectedTo, Earth Structure Imaging>
+<Induced Seismicity Monitoring, no, Glacial Seismology>
+<Magnitude Determination, no, Planetary Seismology>
+<Planetary Seismology, connectedTo, Seismic Wave Analysis>
+<Seismic Risk Mitigation, yes, Magnitude Determination>
+<Seismic Wave Analysis, no, Induced Seismicity Monitoring>
+<Tectonic Stress Measurement, yes, Glacial Seismology>
+<start, yes, Tectonic Stress Measurement>
diff --git a/test/mermaid/easy/mermaid_320.txt b/test/mermaid/easy/mermaid_320.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8ee5b66c59bfacaf1f2ef6eb72c2c698975a3104
--- /dev/null
+++ b/test/mermaid/easy/mermaid_320.txt
@@ -0,0 +1,11 @@
+<Deep Earth Seismology, maintains_networks, Seismic Risk Mitigation>
+<Earth Structure Imaging, connectedTo, P_Wave or S_Wave Distinction>
+<Earthquake Prediction Research, engineers, Seismic Network Operations>
+<Epicenter Location, advises, Seismic Network Operations>
+<Epicenter Location, seismic_waves, Liquefaction Potential Assessment>
+<Liquefaction Potential Assessment, connectedTo, Deep Earth Seismology>
+<P_Wave or S_Wave Distinction, designs_systems, Seismic Array Deployment>
+<Seismic Array Deployment, connectedTo, Earthquake Prediction Research>
+<Seismic Network Operations, fault_lines, Epicenter Location>
+<Seismic Risk Mitigation, connectedTo, end>
+<start, connectedTo, Earth Structure Imaging>
diff --git a/test/mermaid/easy/mermaid_321.mmd b/test/mermaid/easy/mermaid_321.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a4a09036413a824db1e16d1f90b196664968baf7
--- /dev/null
+++ b/test/mermaid/easy/mermaid_321.mmd
@@ -0,0 +1,36 @@
+graph RL
+    N0([start])
+    N1(Induced Seismicity Monitoring)
+    N2[(Strong Motion Instrumentation)]
+    N3(Seismic Data Processing)
+    N4[(Volcanic Seismology)]
+    N5[Seismic Instrumentation Maintenance]
+    N6[Subsurface Imaging]
+    N7([end])
+    N0 --> |visualizes| N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> |processes| N4
+    N4 -.-> |data_collects| N5
+    N5 -.-> N6
+    N6 -.-> |international_cooperates| N7
+    N6 --> N0
+    N7 --> N2
+    style N0 fill:#D7CCC8,stroke:#795548
+    style N1 fill:#D7CCC8,stroke:#795548
+    style N2 fill:#D7CCC8,stroke:#795548
+    style N3 fill:#D1C4E9,stroke:#673AB7
+    style N4 fill:#D7CCC8,stroke:#795548
+    style N5 fill:#C8E6C9,stroke:#388E3C
+    style N6 fill:#D7CCC8,stroke:#795548
+    style N7 fill:#D7CCC8,stroke:#795548
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#388E3C,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_322.mmd b/test/mermaid/easy/mermaid_322.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..4b11a3395d068a7c6af3030eefab136389ebd231
--- /dev/null
+++ b/test/mermaid/easy/mermaid_322.mmd
@@ -0,0 +1,34 @@
+graph LR
+    N0([start])
+    N1[Population Genomics]
+    N2[/Genomic Data Visualization/]
+    N3[Cancer Genomics]
+    N4([Gene Therapy Development])
+    N5(Computational Genomics)
+    N6[Comparative Genomics]
+    N7([Genomic Data Sharing])
+    N0 -.-> |analyzes| N1
+    N1 -.-> |ethical_considers| N2
+    N2 --> N3
+    N3 -.-> |therapies_develops| N4
+    N4 --> |advises| N5
+    N5 --> |interprets| N6
+    N6 -.-> |commercializes| N7
+    N7 --> N1
+    style N0 fill:#F5F5F5,stroke:#BDBDBD
+    style N1 fill:#B2EBF2,stroke:#00BCD4
+    style N2 fill:#F9FBE7,stroke:#DCE775
+    style N3 fill:#B2EBF2,stroke:#00BCD4
+    style N4 fill:#F9FBE7,stroke:#DCE775
+    style N5 fill:#F5F5F5,stroke:#BDBDBD
+    style N6 fill:#B2EBF2,stroke:#00BCD4
+    style N7 fill:#B2EBF2,stroke:#00BCD4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_322.txt b/test/mermaid/easy/mermaid_322.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d93a26cd3d5bc4a111b2d7b11c63172147c82c92
--- /dev/null
+++ b/test/mermaid/easy/mermaid_322.txt
@@ -0,0 +1,8 @@
+<Cancer Genomics, therapies_develops, Gene Therapy Development>
+<Comparative Genomics, commercializes, Genomic Data Sharing>
+<Computational Genomics, interprets, Comparative Genomics>
+<Gene Therapy Development, advises, Computational Genomics>
+<Genomic Data Sharing, connectedTo, Population Genomics>
+<Genomic Data Visualization, connectedTo, Cancer Genomics>
+<Population Genomics, ethical_considers, Genomic Data Visualization>
+<start, analyzes, Population Genomics>
diff --git a/test/mermaid/easy/mermaid_323.mmd b/test/mermaid/easy/mermaid_323.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..534fea65003be9000241b5b690f096827fc6989a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_323.mmd
@@ -0,0 +1,28 @@
+graph TD
+    N0([start])
+    N1[Genomic Editing]
+    N2[(Single_Cell Genomics)]
+    N3[Structural Genomics]
+    N4{CRISPR Gene Drive Research}
+    N5(Population Genomics)
+    N6(Functional Genomics)
+    N7([end])
+    N0 --> |no| N1
+    N1 --> |yes| N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> |yes| N5
+    N5 -.-> |yes| N6
+    N6 -.-> |yes| N7
+    N4 --> N0
+    N7 --> N5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFD54F,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_324.mmd b/test/mermaid/easy/mermaid_324.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b113473f47ce2a61a238ab6ef78080860d789b5c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_324.mmd
@@ -0,0 +1,38 @@
+graph BT
+    N0([Personalized Medicine])
+    N1[[Pharmacogenomics]]
+    N2[Population Genomics]
+    N3[(Gene Expression Profiling)]
+    N4[Rare Disease Genomics]
+    N5[[Data Privacy in Genomics]]
+    N6(Methylation Analysis)
+    N7[Genomic Data Visualization]
+    N8([end])
+    N0 --> |therapies_develops| N1
+    N1 --> N2
+    N2 --> |synthesizes| N3
+    N3 --> N4
+    N4 --> |commercializes| N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> |diagnoses| N8
+    N8 --> N3
+    style N0 fill:#FFF6D9,stroke:#FFCC7A
+    style N1 fill:#FFF6D9,stroke:#FFCC7A
+    style N2 fill:#FFF6D9,stroke:#FFCC7A
+    style N3 fill:#E0F7FA,stroke:#00BCD4
+    style N4 fill:#B2EBF2,stroke:#00BCD4
+    style N5 fill:#B2EBF2,stroke:#00BCD4
+    style N6 fill:#E0F7FA,stroke:#00BCD4
+    style N7 fill:#B2EBF2,stroke:#00BCD4
+    style N8 fill:#B2EBF2,stroke:#00BCD4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFCC7A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_327.mmd b/test/mermaid/easy/mermaid_327.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..86b27cea118bb8eac1aacdf0c0bc49b6830f8f3a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_327.mmd
@@ -0,0 +1,29 @@
+graph BT
+    N0([start])
+    N1[/Feature Extraction/]
+    N2([Speaker Diarization])
+    N3[(Linguistic Analysis)]
+    N4[Voice Assistant Development]
+    N5[[Call Center Automation]]
+    N6(Accent Recognition)
+    N7[Embedded Speech Recognition]
+    N8([end])
+    N0 --> N1
+    N1 --> |yes| N2
+    N2 -.-> |no| N3
+    N3 --> N4
+    N4 -.-> |no| N5
+    N5 -.-> |no| N6
+    N6 --> N7
+    N7 -.-> |no| N8
+    N5 -.-> |no| N1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_327.txt b/test/mermaid/easy/mermaid_327.txt
new file mode 100644
index 0000000000000000000000000000000000000000..358245728514e0e0eb03d3a2e000d60854992d06
--- /dev/null
+++ b/test/mermaid/easy/mermaid_327.txt
@@ -0,0 +1,9 @@
+<Accent Recognition, connectedTo, Embedded Speech Recognition>
+<Call Center Automation, no, Accent Recognition>
+<Call Center Automation, no, Feature Extraction>
+<Embedded Speech Recognition, no, end>
+<Feature Extraction, yes, Speaker Diarization>
+<Linguistic Analysis, connectedTo, Voice Assistant Development>
+<Speaker Diarization, no, Linguistic Analysis>
+<Voice Assistant Development, no, Call Center Automation>
+<start, connectedTo, Feature Extraction>
diff --git a/test/mermaid/easy/mermaid_329.txt b/test/mermaid/easy/mermaid_329.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9e21ab30830c3ccde79bfe14f869c14dc4f86813
--- /dev/null
+++ b/test/mermaid/easy/mermaid_329.txt
@@ -0,0 +1,13 @@
+<Customer Feedback Analysis, secures, Document Summarization>
+<Deep Learning for NLP, transforms_data, Text Clustering>
+<Document Summarization, reports, Deep Learning for NLP>
+<Financial Text Analysis, connectedTo, Resume Parsing>
+<Knowledge Graph Construction, connectedTo, Financial Text Analysis>
+<Natural Language Processing, cleans_data, Topic Modeling>
+<Regular Expressions for Text, connectedTo, Customer Feedback Analysis>
+<Resume Parsing, complies, Sentiment Analysis>
+<Sentiment Analysis, models, Regular Expressions for Text>
+<Social Media Text Analysis, structures, Natural Language Processing>
+<Text Clustering, visualizes, Social Media Text Analysis>
+<Topic Modeling, connectedTo, Knowledge Graph Construction>
+<Topic Modeling, predicts, Sentiment Analysis>
diff --git a/test/mermaid/easy/mermaid_33.txt b/test/mermaid/easy/mermaid_33.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6d7f1a0d3d33b39a5383ad4d38f574b461d2b9ac
--- /dev/null
+++ b/test/mermaid/easy/mermaid_33.txt
@@ -0,0 +1,12 @@
+<Automated Milking, connectedTo, Irrigation Scheduling>
+<Crop Rotation Planning, connectedTo, Equipment Repair>
+<Disease Detection, develops, Market Transportation>
+<Equipment Repair, waters, Soil Testing>
+<Greenhouse Control, researches, Crop Rotation Planning>
+<Irrigation Scheduling, tracks, Organic Certification>
+<Market Transportation, connectedTo, Automated Milking>
+<Organic Certification, connectedTo, Yield Prediction>
+<Soil Testing, harvests, Farm Machinery Operation>
+<Yield Prediction, advises, Market Transportation>
+<Yield Prediction, conserves, Greenhouse Control>
+<start, plants, Disease Detection>
diff --git a/test/mermaid/easy/mermaid_330.mmd b/test/mermaid/easy/mermaid_330.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..7a0ae5d2df6430d833e95ba272cb6e5023b34dc9
--- /dev/null
+++ b/test/mermaid/easy/mermaid_330.mmd
@@ -0,0 +1,37 @@
+graph TD
+    N0([start])
+    N1(Opinion Mining)
+    N2(Spam Detection)
+    N3(Knowledge Graph Construction)
+    N4(Deep Learning for NLP)
+    N5[Part_of_Speech Tagging]
+    N6[(Data Cleaning for Text)]
+    N7(Topic Modeling)
+    N8[/Social Media Text Analysis/]
+    N9[(Customer Feedback Analysis)]
+    N10([end])
+    N0 -.-> |yes| N1
+    N1 -.-> |yes| N2
+    N2 -.-> |yes| N3
+    N3 -.-> N4
+    N4 -.-> |yes| N5
+    N5 --> |no| N6
+    N6 -.-> N7
+    N7 --> |no| N8
+    N8 --> |yes| N9
+    N9 --> |no| N10
+    N7 -.-> N2
+    N10 -.-> N7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFB2A5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_330.txt b/test/mermaid/easy/mermaid_330.txt
new file mode 100644
index 0000000000000000000000000000000000000000..eb03410f7af7586b98f30f428fc3e2a8716ed5c5
--- /dev/null
+++ b/test/mermaid/easy/mermaid_330.txt
@@ -0,0 +1,12 @@
+<Customer Feedback Analysis, no, end>
+<Data Cleaning for Text, connectedTo, Topic Modeling>
+<Deep Learning for NLP, yes, Part_of_Speech Tagging>
+<Knowledge Graph Construction, connectedTo, Deep Learning for NLP>
+<Opinion Mining, yes, Spam Detection>
+<Part_of_Speech Tagging, no, Data Cleaning for Text>
+<Social Media Text Analysis, yes, Customer Feedback Analysis>
+<Spam Detection, yes, Knowledge Graph Construction>
+<Topic Modeling, connectedTo, Spam Detection>
+<Topic Modeling, no, Social Media Text Analysis>
+<end, connectedTo, Topic Modeling>
+<start, yes, Opinion Mining>
diff --git a/test/mermaid/easy/mermaid_331.txt b/test/mermaid/easy/mermaid_331.txt
new file mode 100644
index 0000000000000000000000000000000000000000..962d6eb263958f0d222f92e01ca1e3808bbac939
--- /dev/null
+++ b/test/mermaid/easy/mermaid_331.txt
@@ -0,0 +1,12 @@
+<Anomaly Detection, blockchain_leverages, Design Validation>
+<Asset Optimization, connectedTo, Automotive Digital Twins>
+<Automotive Digital Twins, connectedTo, Risk Assessment>
+<Design Validation, connectedTo, Anomaly Detection>
+<Edge Computing for Twins, connectedTo, Interoperability Standards>
+<Interoperability Standards, scales, Design Validation>
+<IoT Data Ingestion, connectedTo, Asset Optimization>
+<Maintenance Scheduling, deploys, Edge Computing for Twins>
+<Model Creation, connectedTo, Maintenance Scheduling>
+<Model Creation, risks_mitigates, Smart Manufacturing>
+<Risk Assessment, predicts, Maintenance Scheduling>
+<Smart Manufacturing, troubleshoots, IoT Data Ingestion>
diff --git a/test/mermaid/easy/mermaid_332.mmd b/test/mermaid/easy/mermaid_332.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c3aafbb27fae7263c8493fde12d02f898c19e18d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_332.mmd
@@ -0,0 +1,38 @@
+graph BT
+    N0([start])
+    N1{Anomaly Detection}
+    N2[(Real_Time Data Streaming)]
+    N3[/Autonomous Operations/]
+    N4[(Performance Monitoring)]
+    N5[(Asset Optimization)]
+    N6[/Model Creation/]
+    N7([Automotive Digital Twins])
+    N8([end])
+    N0 -.-> |creates| N1
+    N1 -.-> |controls| N2
+    N2 -.-> |maintains| N3
+    N3 -.-> N4
+    N4 --> |products_enhances| N5
+    N5 -.-> |builds| N6
+    N6 --> N7
+    N7 --> N8
+    N1 -.-> |repairs| N8
+    style N0 fill:#E6EE9C,stroke:#CDDC39
+    style N1 fill:#DDCEDD,stroke:#AF56A6
+    style N2 fill:#E9F7E8,stroke:#6EB76D
+    style N3 fill:#E6EE9C,stroke:#CDDC39
+    style N4 fill:#E6EE9C,stroke:#CDDC39
+    style N5 fill:#E9F7E8,stroke:#6EB76D
+    style N6 fill:#DDCEDD,stroke:#AF56A6
+    style N7 fill:#DDCEDD,stroke:#AF56A6
+    style N8 fill:#DDCEDD,stroke:#AF56A6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#CDDC39,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_332.txt b/test/mermaid/easy/mermaid_332.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3466523580fb59a033c67823e5bd5b292eb0c07b
--- /dev/null
+++ b/test/mermaid/easy/mermaid_332.txt
@@ -0,0 +1,9 @@
+<Anomaly Detection, controls, Real_Time Data Streaming>
+<Anomaly Detection, repairs, end>
+<Asset Optimization, builds, Model Creation>
+<Automotive Digital Twins, connectedTo, end>
+<Autonomous Operations, connectedTo, Performance Monitoring>
+<Model Creation, connectedTo, Automotive Digital Twins>
+<Performance Monitoring, products_enhances, Asset Optimization>
+<Real_Time Data Streaming, maintains, Autonomous Operations>
+<start, creates, Anomaly Detection>
diff --git a/test/mermaid/easy/mermaid_333.mmd b/test/mermaid/easy/mermaid_333.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d26bdc2cbe8baf9253d73d91930d3cedc2a9f3cc
--- /dev/null
+++ b/test/mermaid/easy/mermaid_333.mmd
@@ -0,0 +1,28 @@
+graph BT
+    N0([start])
+    N1[AI or ML Model Integration]
+    N2(System Integration Architecture)
+    N3[Performance Monitoring]
+    N4[/Digital Twin Lifecycle Management/]
+    N5(Operational Planning)
+    N6{Condition Monitoring}
+    N7([end])
+    N0 --> |yes| N1
+    N1 --> N2
+    N2 -.-> |no| N3
+    N3 -.-> N4
+    N4 --> |no| N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N5 --> |yes| N4
+    N4 --> |yes| N0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_333.txt b/test/mermaid/easy/mermaid_333.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6c4e967fb44947a96adf53c931a1934b75dcd326
--- /dev/null
+++ b/test/mermaid/easy/mermaid_333.txt
@@ -0,0 +1,9 @@
+<AI or ML Model Integration, connectedTo, System Integration Architecture>
+<Condition Monitoring, connectedTo, end>
+<Digital Twin Lifecycle Management, no, Operational Planning>
+<Digital Twin Lifecycle Management, yes, start>
+<Operational Planning, connectedTo, Condition Monitoring>
+<Operational Planning, yes, Digital Twin Lifecycle Management>
+<Performance Monitoring, connectedTo, Digital Twin Lifecycle Management>
+<System Integration Architecture, no, Performance Monitoring>
+<start, yes, AI or ML Model Integration>
diff --git a/test/mermaid/easy/mermaid_334.txt b/test/mermaid/easy/mermaid_334.txt
new file mode 100644
index 0000000000000000000000000000000000000000..da47dd7fab9882ce842b7ae13e985c9b82c09e0d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_334.txt
@@ -0,0 +1,9 @@
+<Automation Opportunity Identification, connectedTo, Workflow Automation Platforms>
+<Data Entry Automation, connectedTo, Supply Chain Automation>
+<Decision Automation, increases_efficiency, Data Entry Automation>
+<Decision Automation, orchestrates, Report Generation Automation>
+<IT Operations Automation, connectedTo, Error Handling in Automation>
+<Low_Code or No_Code Automation, connectedTo, Automation Opportunity Identification>
+<Report Generation Automation, connectedTo, IT Operations Automation>
+<Supply Chain Automation, advises, Decision Automation>
+<Workflow Automation Platforms, tasks_handles, Data Entry Automation>
diff --git a/test/mermaid/easy/mermaid_335.mmd b/test/mermaid/easy/mermaid_335.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..971caa82ae4b8bbd8d60cf83e9271c46c998f421
--- /dev/null
+++ b/test/mermaid/easy/mermaid_335.mmd
@@ -0,0 +1,34 @@
+graph RL
+    N0([Automated Testing])
+    N1([Hyperautomation])
+    N2(Business Rule Engines)
+    N3[(Task Automation)]
+    N4([Supply Chain Automation])
+    N5[[IT Operations Automation]]
+    N6[[Error Handling in Automation]]
+    N7([Process Mapping])
+    N0 -.-> N1
+    N1 --> |accelerates_operations| N2
+    N2 --> |enhances_compliance| N3
+    N3 --> |trains| N4
+    N4 --> |scales_processes| N5
+    N5 --> N6
+    N6 -.-> |advises| N7
+    N6 --> N1
+    style N0 fill:#F8FDD3,stroke:#D3EB9F
+    style N1 fill:#F8FDD3,stroke:#D3EB9F
+    style N2 fill:#F3E5F5,stroke:#BA68C8
+    style N3 fill:#FFEBEB,stroke:#FFC2C2
+    style N4 fill:#F8FDD3,stroke:#D3EB9F
+    style N5 fill:#F8FDD3,stroke:#D3EB9F
+    style N6 fill:#FFEBEB,stroke:#FFC2C2
+    style N7 fill:#F8FDD3,stroke:#D3EB9F
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#D3EB9F,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_336.txt b/test/mermaid/easy/mermaid_336.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a050a6aae7152c16aabb43c493b64b279df75376
--- /dev/null
+++ b/test/mermaid/easy/mermaid_336.txt
@@ -0,0 +1,9 @@
+<Automated Testing, integrates_systems, Compliance in Automation>
+<Compliance in Automation, connectedTo, Natural Language Processing for Automation>
+<Data Entry Automation, scales_processes, Security for Automation Bots>
+<Document Processing Automation, configures_rules, Supply Chain Automation>
+<Optical Character Recognition for Automation, connectedTo, Data Entry Automation>
+<Optical Character Recognition for Automation, errors_detects, Supply Chain Automation>
+<Performance Monitoring of Bots, connectedTo, Optical Character Recognition for Automation>
+<Security for Automation Bots, designs_workflows, Document Processing Automation>
+<Supply Chain Automation, connectedTo, Automated Testing>
diff --git a/test/mermaid/easy/mermaid_337.mmd b/test/mermaid/easy/mermaid_337.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5d31ae2cdd4b730d980a176d87da684f07c4d3ea
--- /dev/null
+++ b/test/mermaid/easy/mermaid_337.mmd
@@ -0,0 +1,26 @@
+graph LR
+    N0([start])
+    N1[Quality Data Analysis]
+    N2{X_ray Inspection}
+    N3[Quality Standards Development]
+    N4[/Supplier Quality Management/]
+    N5(Defect Detection)
+    N6[(Calibration of Instruments)]
+    N7([end])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> |yes| N3
+    N3 --> |no| N4
+    N4 --> |yes| N5
+    N5 -.-> |no| N6
+    N6 --> N7
+    N6 -.-> N3
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FF9800,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_337.txt b/test/mermaid/easy/mermaid_337.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d38ef615c4ff5e09b943f7d3ed11d3c907cd4c62
--- /dev/null
+++ b/test/mermaid/easy/mermaid_337.txt
@@ -0,0 +1,8 @@
+<Calibration of Instruments, connectedTo, Quality Standards Development>
+<Calibration of Instruments, connectedTo, end>
+<Defect Detection, no, Calibration of Instruments>
+<Quality Data Analysis, connectedTo, X_ray Inspection>
+<Quality Standards Development, no, Supplier Quality Management>
+<Supplier Quality Management, yes, Defect Detection>
+<X_ray Inspection, yes, Quality Standards Development>
+<start, connectedTo, Quality Data Analysis>
diff --git a/test/mermaid/easy/mermaid_338.mmd b/test/mermaid/easy/mermaid_338.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b43962a4dd0e8c6e8b1381a6d5222fb9123ff41d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_338.mmd
@@ -0,0 +1,29 @@
+graph LR
+    N0([start])
+    N1(ISO Certification)
+    N2[[Calibration of Instruments]]
+    N3[Software Quality Assurance]
+    N4{Quality Management Systems}
+    N5(Regulatory Compliance for Quality)
+    N6[Continuous Improvement]
+    N7(X_ray Inspection)
+    N8([end])
+    N0 -.-> N1
+    N1 -.-> |yes| N2
+    N2 -.-> |no| N3
+    N3 --> |no| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> |yes| N8
+    N2 --> |no| N6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFCC7A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_339.mmd b/test/mermaid/easy/mermaid_339.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1a974deb1cbe5a9618e5996a4a85c473da9d82fc
--- /dev/null
+++ b/test/mermaid/easy/mermaid_339.mmd
@@ -0,0 +1,42 @@
+graph TD
+    N0([Sampling Plans])
+    N1([Process Monitoring])
+    N2[Supplier Quality Management]
+    N3([Quality Planning])
+    N4[[Risk_Based Quality Control]]
+    N5[Total Quality Management]
+    N6(X_ray Inspection)
+    N7([Lean Principles in Quality])
+    N8[/Regulatory Compliance for Quality/]
+    N9([Supplier Audits])
+    N0 -.-> |reports_generates| N1
+    N1 --> |processes_defines| N2
+    N2 -.-> |systems_controls| N3
+    N3 -.-> N4
+    N4 -.-> |measures| N5
+    N5 -.-> |verifies| N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N2 -.-> N4
+    style N0 fill:#E1F5FE,stroke:#4FC3F7
+    style N1 fill:#FFDAB9,stroke:#FFC085
+    style N2 fill:#FFFDE7,stroke:#FBC02D
+    style N3 fill:#E1F5FE,stroke:#4FC3F7
+    style N4 fill:#E1F5FE,stroke:#4FC3F7
+    style N5 fill:#FFDAB9,stroke:#FFC085
+    style N6 fill:#FFDAB9,stroke:#FFC085
+    style N7 fill:#FFFDE7,stroke:#FBC02D
+    style N8 fill:#E1F5FE,stroke:#4FC3F7
+    style N9 fill:#E1F5FE,stroke:#4FC3F7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFC085,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_339.txt b/test/mermaid/easy/mermaid_339.txt
new file mode 100644
index 0000000000000000000000000000000000000000..50ff5463ff9b59f912b57ce45e40c5ae258deb28
--- /dev/null
+++ b/test/mermaid/easy/mermaid_339.txt
@@ -0,0 +1,10 @@
+<Lean Principles in Quality, connectedTo, Regulatory Compliance for Quality>
+<Process Monitoring, processes_defines, Supplier Quality Management>
+<Quality Planning, connectedTo, Risk_Based Quality Control>
+<Regulatory Compliance for Quality, connectedTo, Supplier Audits>
+<Risk_Based Quality Control, measures, Total Quality Management>
+<Sampling Plans, reports_generates, Process Monitoring>
+<Supplier Quality Management, connectedTo, Risk_Based Quality Control>
+<Supplier Quality Management, systems_controls, Quality Planning>
+<Total Quality Management, verifies, X_ray Inspection>
+<X_ray Inspection, connectedTo, Lean Principles in Quality>
diff --git a/test/mermaid/easy/mermaid_34.txt b/test/mermaid/easy/mermaid_34.txt
new file mode 100644
index 0000000000000000000000000000000000000000..71cf71f66bbbe65b63079388ff976a27ade69a92
--- /dev/null
+++ b/test/mermaid/easy/mermaid_34.txt
@@ -0,0 +1,11 @@
+<Airport Transfer, connectedTo, Concert Ticketing>
+<Concert Ticketing, assigns, Visa Application>
+<Custom Tour Package Creation, exchanges, Souvenir Shopping>
+<Flight Booking, checks in, Custom Tour Package Creation>
+<Itinerary Planning, regulates, start>
+<Itinerary Planning, returns, Flight Booking>
+<Souvenir Shopping, protects, Loyalty Program Enrollment>
+<Tourist Information Desk, connectedTo, Travel Insurance>
+<Travel Insurance, transports, Itinerary Planning>
+<Visa Application, connectedTo, Tourist Information Desk>
+<start, accommodates, Airport Transfer>
diff --git a/test/mermaid/easy/mermaid_341.mmd b/test/mermaid/easy/mermaid_341.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..7d251f709856540e3f3c6aba90de28545a2edb8b
--- /dev/null
+++ b/test/mermaid/easy/mermaid_341.mmd
@@ -0,0 +1,52 @@
+graph LR
+    N0([Business Process Re_engineering])
+    N1[(Vendor Management)]
+    N2[[Procurement Management]]
+    N3[Performance Optimization]
+    N4[/ERP System Selection/]
+    N5[Post_Go_Live Support]
+    N6[(Troubleshooting and Support)]
+    N7([Master Data Management])
+    N8([Customer Relationship Management])
+    N9([Workflow Automation in ERP])
+    N10[User Acceptance Testing]
+    N11([AI or ML in ERP])
+    N0 -.-> |automates| N1
+    N1 --> N2
+    N2 --> |protects| N3
+    N3 --> |controls| N4
+    N4 -.-> N5
+    N5 -.-> |secures| N6
+    N6 -.-> N7
+    N7 --> |consults| N8
+    N8 --> |complies| N9
+    N9 --> |manages| N10
+    N10 --> |supports| N11
+    N1 -.-> N9
+    N10 --> N9
+    style N0 fill:#E0F2F1,stroke:#4DB6AC
+    style N1 fill:#EFE6FF,stroke:#C2B2F0
+    style N2 fill:#FFF8E1,stroke:#FFD54F
+    style N3 fill:#EFE6FF,stroke:#C2B2F0
+    style N4 fill:#E0F2F1,stroke:#4DB6AC
+    style N5 fill:#EFE6FF,stroke:#C2B2F0
+    style N6 fill:#E0F2F1,stroke:#4DB6AC
+    style N7 fill:#FFF8E1,stroke:#FFD54F
+    style N8 fill:#E0F2F1,stroke:#4DB6AC
+    style N9 fill:#EFE6FF,stroke:#C2B2F0
+    style N10 fill:#E0F2F1,stroke:#4DB6AC
+    style N11 fill:#FFF8E1,stroke:#FFD54F
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_341.txt b/test/mermaid/easy/mermaid_341.txt
new file mode 100644
index 0000000000000000000000000000000000000000..edd451df75095270574bb7cda49de9b9ad176a2c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_341.txt
@@ -0,0 +1,13 @@
+<Business Process Re_engineering, automates, Vendor Management>
+<Customer Relationship Management, complies, Workflow Automation in ERP>
+<ERP System Selection, connectedTo, Post_Go_Live Support>
+<Master Data Management, consults, Customer Relationship Management>
+<Performance Optimization, controls, ERP System Selection>
+<Post_Go_Live Support, secures, Troubleshooting and Support>
+<Procurement Management, protects, Performance Optimization>
+<Troubleshooting and Support, connectedTo, Master Data Management>
+<User Acceptance Testing, connectedTo, Workflow Automation in ERP>
+<User Acceptance Testing, supports, AI or ML in ERP>
+<Vendor Management, connectedTo, Procurement Management>
+<Vendor Management, connectedTo, Workflow Automation in ERP>
+<Workflow Automation in ERP, manages, User Acceptance Testing>
diff --git a/test/mermaid/easy/mermaid_343.mmd b/test/mermaid/easy/mermaid_343.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d57f60dbd9827332a9de4625f0144c261faf073e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_343.mmd
@@ -0,0 +1,46 @@
+graph LR
+    N0([Smart Greenhouses])
+    N1([Predictive Analytics for Harvest])
+    N2[/Aquaculture Monitoring/]
+    N3([Blockchain for Agri_Supply Chain])
+    N4[Crop Insurance Assessment]
+    N5{Satellite Imaging}
+    N6[Market Price Forecasting]
+    N7(AI for Crop Disease Detection)
+    N8(Smart Livestock Monitoring)
+    N9[[Digital Soil Mapping]]
+    N10([Automated Farm Machinery])
+    N0 --> |sensors_deploys| N1
+    N1 --> |waters| N2
+    N2 --> |robotics_implements| N3
+    N3 --> |blockchain_traces| N4
+    N4 -.-> |yield_enhances| N5
+    N5 --> |fertilizes| N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N4 -.-> N3
+    style N0 fill:#E0F7FA,stroke:#00BCD4
+    style N1 fill:#E0F7FA,stroke:#00BCD4
+    style N2 fill:#F0F4C3,stroke:#AED581
+    style N3 fill:#C8E6C9,stroke:#4CAF50
+    style N4 fill:#F0F4C3,stroke:#AED581
+    style N5 fill:#C8E6C9,stroke:#4CAF50
+    style N6 fill:#F0F4C3,stroke:#AED581
+    style N7 fill:#E0F7FA,stroke:#00BCD4
+    style N8 fill:#E0F7FA,stroke:#00BCD4
+    style N9 fill:#E0F7FA,stroke:#00BCD4
+    style N10 fill:#C8E6C9,stroke:#4CAF50
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#00BCD4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_343.txt b/test/mermaid/easy/mermaid_343.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e2c4444caf45c51452c10656fdb537af28ecf64d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_343.txt
@@ -0,0 +1,11 @@
+<AI for Crop Disease Detection, connectedTo, Smart Livestock Monitoring>
+<Aquaculture Monitoring, robotics_implements, Blockchain for Agri_Supply Chain>
+<Blockchain for Agri_Supply Chain, blockchain_traces, Crop Insurance Assessment>
+<Crop Insurance Assessment, connectedTo, Blockchain for Agri_Supply Chain>
+<Crop Insurance Assessment, yield_enhances, Satellite Imaging>
+<Digital Soil Mapping, connectedTo, Automated Farm Machinery>
+<Market Price Forecasting, connectedTo, AI for Crop Disease Detection>
+<Predictive Analytics for Harvest, waters, Aquaculture Monitoring>
+<Satellite Imaging, fertilizes, Market Price Forecasting>
+<Smart Greenhouses, sensors_deploys, Predictive Analytics for Harvest>
+<Smart Livestock Monitoring, connectedTo, Digital Soil Mapping>
diff --git a/test/mermaid/easy/mermaid_344.txt b/test/mermaid/easy/mermaid_344.txt
new file mode 100644
index 0000000000000000000000000000000000000000..aef5fe45b4e5f863c1b83cb727af4279e8229cbf
--- /dev/null
+++ b/test/mermaid/easy/mermaid_344.txt
@@ -0,0 +1,13 @@
+<AI for Crop Disease Detection, connectedTo, Variable Rate Application>
+<AI for Crop Disease Detection, connectedTo, Weather Station Data Integration>
+<Crop Insurance Assessment, connectedTo, Data Security in Agriculture>
+<Data Security in Agriculture, no, AI for Crop Disease Detection>
+<Forestry Management with Digital Tools, no, Yield Mapping>
+<IoT in Agriculture, yes, Variable Rate Application>
+<Sensor Deployment, no, Supply Chain Traceability>
+<Supply Chain Traceability, connectedTo, Sensor Deployment>
+<Supply Chain Traceability, no, end>
+<Variable Rate Application, connectedTo, Crop Insurance Assessment>
+<Weather Station Data Integration, yes, Sensor Deployment>
+<Yield Mapping, no, IoT in Agriculture>
+<start, yes, Forestry Management with Digital Tools>
diff --git a/test/mermaid/easy/mermaid_345.mmd b/test/mermaid/easy/mermaid_345.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..bc77fcb2b3e8453462ded922798e4fd7c5eaed37
--- /dev/null
+++ b/test/mermaid/easy/mermaid_345.mmd
@@ -0,0 +1,40 @@
+graph TD
+    N0([start])
+    N1(Automated Farm Machinery)
+    N2[/Predictive Analytics for Harvest/]
+    N3[(Decision Support Systems for Farmers)]
+    N4[Supply Chain Traceability]
+    N5([Sustainability Metrics Tracking])
+    N6[Precision Farming]
+    N7[/Resource Optimization/]
+    N8[Satellite Imaging]
+    N9[[Big Data Analytics for Farms]]
+    N10[/Farm Labor Management Software/]
+    N11([end])
+    N0 -.-> |yes| N1
+    N1 --> |no| N2
+    N2 -.-> N3
+    N3 -.-> |yes| N4
+    N4 --> |yes| N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> |yes| N8
+    N8 -.-> |no| N9
+    N9 -.-> |no| N10
+    N10 -.-> |no| N11
+    N0 -.-> |yes| N3
+    N4 --> N1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#F06292,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_345.txt b/test/mermaid/easy/mermaid_345.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cd3ebf3ecc5584bbb24a44c3bd6331867e57679e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_345.txt
@@ -0,0 +1,13 @@
+<Automated Farm Machinery, no, Predictive Analytics for Harvest>
+<Big Data Analytics for Farms, no, Farm Labor Management Software>
+<Decision Support Systems for Farmers, yes, Supply Chain Traceability>
+<Farm Labor Management Software, no, end>
+<Precision Farming, connectedTo, Resource Optimization>
+<Predictive Analytics for Harvest, connectedTo, Decision Support Systems for Farmers>
+<Resource Optimization, yes, Satellite Imaging>
+<Satellite Imaging, no, Big Data Analytics for Farms>
+<Supply Chain Traceability, connectedTo, Automated Farm Machinery>
+<Supply Chain Traceability, yes, Sustainability Metrics Tracking>
+<Sustainability Metrics Tracking, connectedTo, Precision Farming>
+<start, yes, Automated Farm Machinery>
+<start, yes, Decision Support Systems for Farmers>
diff --git a/test/mermaid/easy/mermaid_346.txt b/test/mermaid/easy/mermaid_346.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b829b6d231b70544f0de3f49586a7d039be72d79
--- /dev/null
+++ b/test/mermaid/easy/mermaid_346.txt
@@ -0,0 +1,12 @@
+<Broadcast Technology for Esports, competes, Gambling and Betting Regulation>
+<Esports Team Ownership, connectedTo, Nutrition for Esports Athletes>
+<Gambling and Betting Regulation, develops_games, Merchandise Sales>
+<Game Publisher Relations, connectedTo, Nutrition for Esports Athletes>
+<Game Strategy Development, partners, Team Management>
+<Legal Advisory for Esports, connectedTo, Game Strategy Development>
+<Merchandise Sales, connectedTo, Legal Advisory for Esports>
+<Nutrition for Esports Athletes, communities_fosters, Rules and Regulations Enforcement>
+<Physical Conditioning for Players, contracts, Esports Team Ownership>
+<Player Scouting, connectedTo, Physical Conditioning for Players>
+<Rules and Regulations Enforcement, connectedTo, Player Scouting>
+<Team Management, connectedTo, Game Publisher Relations>
diff --git a/test/mermaid/easy/mermaid_347.mmd b/test/mermaid/easy/mermaid_347.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..7b75cf890f839790602c79818bc3ceb11dadfc12
--- /dev/null
+++ b/test/mermaid/easy/mermaid_347.mmd
@@ -0,0 +1,52 @@
+graph TD
+    N0([Coaching Staff Management])
+    N1[(Player Scouting)]
+    N2([Gaming Hardware Optimization])
+    N3(Player Wellness Programs)
+    N4[[Fan Community Building]]
+    N5(League Management)
+    N6(Sponsorship Acquisition)
+    N7(Game Publisher Relations)
+    N8[(Network Infrastructure for Tournaments)]
+    N9[(Live Streaming Production)]
+    N10([Training Regimen])
+    N11([Game Server Management])
+    N0 --> |rules_enforces| N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> |leagues_creates| N5
+    N5 -.-> |streams| N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> |strategies_develops| N9
+    N9 --> N10
+    N10 -.-> |teams_forms| N11
+    N11 -.-> |advertises| N10
+    N11 -.-> |financial_advises| N3
+    style N0 fill:#FFF6D9,stroke:#FFCC7A
+    style N1 fill:#FFFDE7,stroke:#FBC02D
+    style N2 fill:#FFFDE7,stroke:#FBC02D
+    style N3 fill:#FFFDE7,stroke:#FBC02D
+    style N4 fill:#FFF6D9,stroke:#FFCC7A
+    style N5 fill:#FFFDE7,stroke:#FBC02D
+    style N6 fill:#FFF6D9,stroke:#FFCC7A
+    style N7 fill:#FFF6D9,stroke:#FFCC7A
+    style N8 fill:#FFFDE7,stroke:#FBC02D
+    style N9 fill:#C2E8E6,stroke:#61CAC3
+    style N10 fill:#C2E8E6,stroke:#61CAC3
+    style N11 fill:#C2E8E6,stroke:#61CAC3
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFCC7A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_349.mmd b/test/mermaid/easy/mermaid_349.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e9c008a73eee01a5512944e3abfbc8da7f5d3aa9
--- /dev/null
+++ b/test/mermaid/easy/mermaid_349.mmd
@@ -0,0 +1,50 @@
+graph RL
+    N0([Computational Neuroscience])
+    N1{Molecular Neuroscience}
+    N2[/Neurodegenerative Disease Research/]
+    N3[/Behavioral Neuroscience/]
+    N4(Genetic Basis of Brain Disorders)
+    N5(Optogenetics)
+    N6[/Neurofeedback Therapy/]
+    N7[/Brain Mapping/]
+    N8[Cognitive Neuroscience]
+    N9(Addiction Neuroscience)
+    N10[Neurological Disorder Diagnosis]
+    N11([end])
+    N0 --> |records| N1
+    N1 --> |stimulates| N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> |regulates| N6
+    N6 --> |collaborates| N7
+    N7 --> |therapies_develops| N8
+    N8 --> N9
+    N9 --> |processes_data| N10
+    N10 -.-> |interprets_data| N11
+    N2 --> |visualizes_data| N11
+    style N0 fill:#FFE88D,stroke:#FFDA4E
+    style N1 fill:#FFE88D,stroke:#FFDA4E
+    style N2 fill:#FFE88D,stroke:#FFDA4E
+    style N3 fill:#FFDCD6,stroke:#FFB2A5
+    style N4 fill:#FFE88D,stroke:#FFDA4E
+    style N5 fill:#FFDCD6,stroke:#FFB2A5
+    style N6 fill:#FFE88D,stroke:#FFDA4E
+    style N7 fill:#FFE88D,stroke:#FFDA4E
+    style N8 fill:#FFDCD6,stroke:#FFB2A5
+    style N9 fill:#FFDCD6,stroke:#FFB2A5
+    style N10 fill:#FFE88D,stroke:#FFDA4E
+    style N11 fill:#FFCCBC,stroke:#FF5722
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_349.txt b/test/mermaid/easy/mermaid_349.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e355e1edc6e6262abb7aac618f95d16b61ef41be
--- /dev/null
+++ b/test/mermaid/easy/mermaid_349.txt
@@ -0,0 +1,12 @@
+<Addiction Neuroscience, processes_data, Neurological Disorder Diagnosis>
+<Behavioral Neuroscience, connectedTo, Genetic Basis of Brain Disorders>
+<Brain Mapping, therapies_develops, Cognitive Neuroscience>
+<Cognitive Neuroscience, connectedTo, Addiction Neuroscience>
+<Computational Neuroscience, records, Molecular Neuroscience>
+<Genetic Basis of Brain Disorders, connectedTo, Optogenetics>
+<Molecular Neuroscience, stimulates, Neurodegenerative Disease Research>
+<Neurodegenerative Disease Research, connectedTo, Behavioral Neuroscience>
+<Neurodegenerative Disease Research, visualizes_data, end>
+<Neurofeedback Therapy, collaborates, Brain Mapping>
+<Neurological Disorder Diagnosis, interprets_data, end>
+<Optogenetics, regulates, Neurofeedback Therapy>
diff --git a/test/mermaid/easy/mermaid_35.txt b/test/mermaid/easy/mermaid_35.txt
new file mode 100644
index 0000000000000000000000000000000000000000..de5cc1128d964594ba8736d77dbda39c2943f276
--- /dev/null
+++ b/test/mermaid/easy/mermaid_35.txt
@@ -0,0 +1,9 @@
+<Custom Tour Package Creation, connectedTo, Sightseeing Scheduling>
+<Flight Booking, connectedTo, Custom Tour Package Creation>
+<Flight Booking, no, end>
+<Historical Site Exploration, yes, Flight Booking>
+<Sightseeing Scheduling, yes, Travel Blog Creation>
+<Tourist Information Desk, connectedTo, end>
+<Travel Blog Creation, no, Tourist Information Desk>
+<Travel Blog Creation, no, end>
+<start, connectedTo, Historical Site Exploration>
diff --git a/test/mermaid/easy/mermaid_350.mmd b/test/mermaid/easy/mermaid_350.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..569d9166818c6814e901fe0b1ab4da801e2470cf
--- /dev/null
+++ b/test/mermaid/easy/mermaid_350.mmd
@@ -0,0 +1,40 @@
+graph RL
+    N0([start])
+    N1[/Computational Neuroscience/]
+    N2(Consciousness Studies)
+    N3[Motor Control Research]
+    N4([Neural Network Analysis])
+    N5[[Neuroprosthetics]]
+    N6([Developmental Neuroscience])
+    N7([Sensory Perception Research])
+    N8[Neurodegenerative Disease Research]
+    N9[[Neurofeedback Therapy]]
+    N10[[Cognitive Neuroscience]]
+    N11([end])
+    N0 -.-> N1
+    N1 --> |yes| N2
+    N2 --> |yes| N3
+    N3 -.-> N4
+    N4 -.-> |yes| N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> |yes| N8
+    N8 --> |yes| N9
+    N9 -.-> |no| N10
+    N10 --> |yes| N11
+    N11 --> N5
+    N3 --> |yes| N7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#E91E63,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_350.txt b/test/mermaid/easy/mermaid_350.txt
new file mode 100644
index 0000000000000000000000000000000000000000..39eeb30cd5525f22b3141cb56d2954c556f47683
--- /dev/null
+++ b/test/mermaid/easy/mermaid_350.txt
@@ -0,0 +1,13 @@
+<Cognitive Neuroscience, yes, end>
+<Computational Neuroscience, yes, Consciousness Studies>
+<Consciousness Studies, yes, Motor Control Research>
+<Developmental Neuroscience, connectedTo, Sensory Perception Research>
+<Motor Control Research, connectedTo, Neural Network Analysis>
+<Motor Control Research, yes, Sensory Perception Research>
+<Neural Network Analysis, yes, Neuroprosthetics>
+<Neurodegenerative Disease Research, yes, Neurofeedback Therapy>
+<Neurofeedback Therapy, no, Cognitive Neuroscience>
+<Neuroprosthetics, connectedTo, Developmental Neuroscience>
+<Sensory Perception Research, yes, Neurodegenerative Disease Research>
+<end, connectedTo, Neuroprosthetics>
+<start, connectedTo, Computational Neuroscience>
diff --git a/test/mermaid/easy/mermaid_351.mmd b/test/mermaid/easy/mermaid_351.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0130d674ae16a7cfddf5c4bf87985df1d0d3b927
--- /dev/null
+++ b/test/mermaid/easy/mermaid_351.mmd
@@ -0,0 +1,44 @@
+graph TD
+    N0([Computational Neuroscience])
+    N1(Brain_Computer Interface)
+    N2(Pain Perception Research)
+    N3[/Artificial Neural Networks Modeling/]
+    N4[/Sleep Research/]
+    N5(Sensory Perception Research)
+    N6[/Neurological Disorder Diagnosis/]
+    N7[(Cellular Neuroscience)]
+    N8[Neural Network Analysis]
+    N9([Neural Data Analysis])
+    N0 --> N1
+    N1 --> |visualizes_data| N2
+    N2 -.-> |studies| N3
+    N3 -.-> |applies| N4
+    N4 --> |educates| N5
+    N5 --> |modifies| N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> |data_collects| N9
+    N2 --> N8
+    N7 -.-> |circuits_understands| N2
+    style N0 fill:#FFF8E1,stroke:#FFD54F
+    style N1 fill:#D6D9F0,stroke:#9FA9E1
+    style N2 fill:#D6D9F0,stroke:#9FA9E1
+    style N3 fill:#E8F5E9,stroke:#66BB6A
+    style N4 fill:#D6D9F0,stroke:#9FA9E1
+    style N5 fill:#FFF8E1,stroke:#FFD54F
+    style N6 fill:#E8F5E9,stroke:#66BB6A
+    style N7 fill:#FFF8E1,stroke:#FFD54F
+    style N8 fill:#E8F5E9,stroke:#66BB6A
+    style N9 fill:#E8F5E9,stroke:#66BB6A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFD54F,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_351.txt b/test/mermaid/easy/mermaid_351.txt
new file mode 100644
index 0000000000000000000000000000000000000000..195d3537c2c315997d857f56c07a6ecebed135e3
--- /dev/null
+++ b/test/mermaid/easy/mermaid_351.txt
@@ -0,0 +1,11 @@
+<Artificial Neural Networks Modeling, applies, Sleep Research>
+<Brain_Computer Interface, visualizes_data, Pain Perception Research>
+<Cellular Neuroscience, circuits_understands, Pain Perception Research>
+<Cellular Neuroscience, connectedTo, Neural Network Analysis>
+<Computational Neuroscience, connectedTo, Brain_Computer Interface>
+<Neural Network Analysis, data_collects, Neural Data Analysis>
+<Neurological Disorder Diagnosis, connectedTo, Cellular Neuroscience>
+<Pain Perception Research, connectedTo, Neural Network Analysis>
+<Pain Perception Research, studies, Artificial Neural Networks Modeling>
+<Sensory Perception Research, modifies, Neurological Disorder Diagnosis>
+<Sleep Research, educates, Sensory Perception Research>
diff --git a/test/mermaid/easy/mermaid_352.mmd b/test/mermaid/easy/mermaid_352.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c0380fef82128d153bb16b98cfead955ffda5638
--- /dev/null
+++ b/test/mermaid/easy/mermaid_352.mmd
@@ -0,0 +1,36 @@
+graph LR
+    N0([start])
+    N1{Archival Management}
+    N2[(Remote Sensing for Heritage)]
+    N3[(Traditional Knowledge Documentation)]
+    N4(Cultural Tourism Development)
+    N5[/Adaptive Reuse of Heritage Buildings/]
+    N6[(Disaster Preparedness for Heritage)]
+    N7([end])
+    N0 -.-> |interprets| N1
+    N1 --> N2
+    N2 --> |restores| N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> |catalogs| N6
+    N6 --> |accesses| N7
+    N7 -.-> |digitizes| N4
+    N1 --> N5
+    style N0 fill:#FFCCBC,stroke:#FF5722
+    style N1 fill:#E1BEE7,stroke:#9C27B0
+    style N2 fill:#FFCCBC,stroke:#FF5722
+    style N3 fill:#FFFCE6,stroke:#FFF9AE
+    style N4 fill:#E1BEE7,stroke:#9C27B0
+    style N5 fill:#E1BEE7,stroke:#9C27B0
+    style N6 fill:#FFFCE6,stroke:#FFF9AE
+    style N7 fill:#FFCCBC,stroke:#FF5722
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#9C27B0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_353.mmd b/test/mermaid/easy/mermaid_353.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..dc62422ab0a4d919862aa9594c142c5325be8cf4
--- /dev/null
+++ b/test/mermaid/easy/mermaid_353.mmd
@@ -0,0 +1,52 @@
+graph BT
+    N0([Repatriation of Artifacts])
+    N1(Restoration Techniques)
+    N2[(Illicit Trafficking Control)]
+    N3([Sustainable Heritage Management])
+    N4[(Exhibition Curation)]
+    N5{Indigenous Cultural Heritage Rights}
+    N6[[Museum Collection Management]]
+    N7[(3D Scanning of Artifacts)]
+    N8([Oral History Collection])
+    N9(Underwater Cultural Heritage)
+    N10[Heritage Site Management]
+    N11([Climate Change Impact on Heritage])
+    N0 -.-> |digital_reconstructs| N1
+    N1 --> N2
+    N2 --> |restores| N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> |artifacts_excavates| N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> |intangible_heritage_safeguards| N9
+    N9 --> |community_participates| N10
+    N10 --> |3D_scans| N11
+    N3 -.-> |narrates| N6
+    N4 -.-> |analyzes_data| N11
+    style N0 fill:#FFF9C4,stroke:#FFEB3B
+    style N1 fill:#F6F6F6,stroke:#CFCFCF
+    style N2 fill:#F6F6F6,stroke:#CFCFCF
+    style N3 fill:#F6F6F6,stroke:#CFCFCF
+    style N4 fill:#F0F0F0,stroke:#D2D2D2
+    style N5 fill:#F6F6F6,stroke:#CFCFCF
+    style N6 fill:#F6F6F6,stroke:#CFCFCF
+    style N7 fill:#FFF9C4,stroke:#FFEB3B
+    style N8 fill:#F6F6F6,stroke:#CFCFCF
+    style N9 fill:#F6F6F6,stroke:#CFCFCF
+    style N10 fill:#F6F6F6,stroke:#CFCFCF
+    style N11 fill:#FFF9C4,stroke:#FFEB3B
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFEB3B,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_354.mmd b/test/mermaid/easy/mermaid_354.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e14050fdc71f42f940253195d35bc7761e25e38a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_354.mmd
@@ -0,0 +1,28 @@
+graph TD
+    N0([start])
+    N1([Remote Sensing for Heritage])
+    N2{Artifact Conservation}
+    N3[(Public Education Programs)]
+    N4[Material Analysis]
+    N5{Digital Storytelling}
+    N6[[Museum Collection Management]]
+    N7([end])
+    N0 -.-> |yes| N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> |yes| N5
+    N5 --> |no| N6
+    N6 -.-> N7
+    N3 --> |no| N2
+    N7 --> N1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_354.txt b/test/mermaid/easy/mermaid_354.txt
new file mode 100644
index 0000000000000000000000000000000000000000..24183f94e131a16143034dfc7d6cdeb31fff6240
--- /dev/null
+++ b/test/mermaid/easy/mermaid_354.txt
@@ -0,0 +1,9 @@
+<Artifact Conservation, connectedTo, Public Education Programs>
+<Digital Storytelling, no, Museum Collection Management>
+<Material Analysis, yes, Digital Storytelling>
+<Museum Collection Management, connectedTo, end>
+<Public Education Programs, connectedTo, Material Analysis>
+<Public Education Programs, no, Artifact Conservation>
+<Remote Sensing for Heritage, connectedTo, Artifact Conservation>
+<end, connectedTo, Remote Sensing for Heritage>
+<start, yes, Remote Sensing for Heritage>
diff --git a/test/mermaid/easy/mermaid_355.txt b/test/mermaid/easy/mermaid_355.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7c79e5bd469991382c99f61fa98562ebcccc09d9
--- /dev/null
+++ b/test/mermaid/easy/mermaid_355.txt
@@ -0,0 +1,9 @@
+<DNA Storage Technologies, yes, Drug Delivery Systems>
+<DNA Synthesis, connectedTo, DNA Storage Technologies>
+<Drug Delivery Systems, connectedTo, Novel Enzyme Creation>
+<Drug Delivery Systems, no, Sustainable Chemical Production>
+<Drug Delivery Systems, yes, High_Throughput Screening>
+<High_Throughput Screening, connectedTo, Novel Enzyme Creation>
+<Novel Enzyme Creation, no, Sustainable Chemical Production>
+<Sustainable Chemical Production, connectedTo, end>
+<start, connectedTo, DNA Synthesis>
diff --git a/test/mermaid/easy/mermaid_356.mmd b/test/mermaid/easy/mermaid_356.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e03c2e12c1d1546f4fb7f96cc06e624db8693653
--- /dev/null
+++ b/test/mermaid/easy/mermaid_356.mmd
@@ -0,0 +1,34 @@
+graph LR
+    N0([start])
+    N1(Biosensor Development)
+    N2{Drug Delivery Systems}
+    N3([High_Throughput Screening])
+    N4(Biocontainment Strategies)
+    N5[[Novel Enzyme Creation]]
+    N6(Microbial Factories)
+    N7[Ethical Implications]
+    N8{Cell_Free Systems}
+    N9([end])
+    N0 --> |yes| N1
+    N1 --> |yes| N2
+    N2 --> |no| N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> |yes| N7
+    N7 -.-> |no| N8
+    N8 -.-> |no| N9
+    N9 -.-> N6
+    N2 --> |yes| N6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_358.mmd b/test/mermaid/easy/mermaid_358.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..dfa63ab66f90526b0a58cd5f9782d692cdcf2e0e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_358.mmd
@@ -0,0 +1,52 @@
+graph RL
+    N0([Simulations for Learning])
+    N1[/Competency_Based Learning Platforms/]
+    N2[Personalized Learning Paths]
+    N3(Adaptive Learning Systems)
+    N4[[Interactive Content Creation]]
+    N5[Curriculum Digitization]
+    N6(Learning Analytics Dashboards)
+    N7{Parent Engagement Tools}
+    N8[EdTech Hardware Solutions]
+    N9[/Online Tutoring Platforms/]
+    N10[Virtual Classrooms]
+    N11([Assessment Tools])
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> |AI_applies| N3
+    N3 --> |researches| N4
+    N4 -.-> |parents_engages| N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> |integrates| N8
+    N8 --> |robotics_integrates| N9
+    N9 -.-> |administrators_assists| N10
+    N10 -.-> |audits| N11
+    N2 -.-> |assesses| N8
+    N11 --> N10
+    style N0 fill:#B3E5FC,stroke:#03A9F4
+    style N1 fill:#D1C4E9,stroke:#7E57C2
+    style N2 fill:#B3E5FC,stroke:#03A9F4
+    style N3 fill:#B3E5FC,stroke:#03A9F4
+    style N4 fill:#B3E5FC,stroke:#03A9F4
+    style N5 fill:#B3E5FC,stroke:#03A9F4
+    style N6 fill:#D1C4E9,stroke:#7E57C2
+    style N7 fill:#B3E5FC,stroke:#03A9F4
+    style N8 fill:#B3E5FC,stroke:#03A9F4
+    style N9 fill:#F3E5F5,stroke:#AB47BC
+    style N10 fill:#B3E5FC,stroke:#03A9F4
+    style N11 fill:#B3E5FC,stroke:#03A9F4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#03A9F4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_358.txt b/test/mermaid/easy/mermaid_358.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a4d11fc157248a09ea758accec9588d201c497a1
--- /dev/null
+++ b/test/mermaid/easy/mermaid_358.txt
@@ -0,0 +1,13 @@
+<Adaptive Learning Systems, researches, Interactive Content Creation>
+<Assessment Tools, connectedTo, Virtual Classrooms>
+<Competency_Based Learning Platforms, connectedTo, Personalized Learning Paths>
+<Curriculum Digitization, connectedTo, Learning Analytics Dashboards>
+<EdTech Hardware Solutions, robotics_integrates, Online Tutoring Platforms>
+<Interactive Content Creation, parents_engages, Curriculum Digitization>
+<Learning Analytics Dashboards, connectedTo, Parent Engagement Tools>
+<Online Tutoring Platforms, administrators_assists, Virtual Classrooms>
+<Parent Engagement Tools, integrates, EdTech Hardware Solutions>
+<Personalized Learning Paths, AI_applies, Adaptive Learning Systems>
+<Personalized Learning Paths, assesses, EdTech Hardware Solutions>
+<Simulations for Learning, connectedTo, Competency_Based Learning Platforms>
+<Virtual Classrooms, audits, Assessment Tools>
diff --git a/test/mermaid/easy/mermaid_359.mmd b/test/mermaid/easy/mermaid_359.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..10774602028b464011499ba240b95a96fd2e90ff
--- /dev/null
+++ b/test/mermaid/easy/mermaid_359.mmd
@@ -0,0 +1,40 @@
+graph BT
+    N0([Personalized Learning Paths])
+    N1(Teacher Training Platforms)
+    N2{Digital Textbooks}
+    N3[[Educational Robotics]]
+    N4([Educational Apps Development])
+    N5[Parent Engagement Tools]
+    N6[Accessibility in EdTech]
+    N7(Online Tutoring Platforms)
+    N8([end])
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> |administrators_assists| N5
+    N5 -.-> N6
+    N6 --> |accessibility_ensures| N7
+    N7 --> |manages| N8
+    N1 --> |AR or VR_uses| N4
+    N5 -.-> N4
+    style N0 fill:#FFFDE0,stroke:#FFF8A6
+    style N1 fill:#FFFDE0,stroke:#FFF8A6
+    style N2 fill:#FFFAE0,stroke:#FFE470
+    style N3 fill:#EDF5F3,stroke:#A1D7CD
+    style N4 fill:#EDF5F3,stroke:#A1D7CD
+    style N5 fill:#FFFAE0,stroke:#FFE470
+    style N6 fill:#FFFDE0,stroke:#FFF8A6
+    style N7 fill:#FFFDE0,stroke:#FFF8A6
+    style N8 fill:#FFFAE0,stroke:#FFE470
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#A1D7CD,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_360.mmd b/test/mermaid/easy/mermaid_360.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..64e4d87e3de1fb3b5095f7dd8da5980975caa38d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_360.mmd
@@ -0,0 +1,38 @@
+graph RL
+    N0([Online Tutoring Platforms])
+    N1([Blockchain for Educational Credentials])
+    N2(Virtual Reality in Education)
+    N3(Curriculum Digitization)
+    N4(Learning Management System Development)
+    N5[(Massive Open Online Courses)]
+    N6[Open Educational Resources]
+    N7[(Data Privacy in Education)]
+    N8([end])
+    N0 -.-> N1
+    N1 --> |complies| N2
+    N2 --> |tracks| N3
+    N3 -.-> N4
+    N4 --> |AI_applies| N5
+    N5 --> |robotics_integrates| N6
+    N6 -.-> |accessibility_ensures| N7
+    N7 -.-> N8
+    N4 --> |reports| N2
+    style N0 fill:#E3F2FD,stroke:#64B5F6
+    style N1 fill:#FFF8E1,stroke:#FFD54F
+    style N2 fill:#FFF8E1,stroke:#FFD54F
+    style N3 fill:#FFF8E1,stroke:#FFD54F
+    style N4 fill:#FFE88D,stroke:#FFDA4E
+    style N5 fill:#FFF8E1,stroke:#FFD54F
+    style N6 fill:#E3F2FD,stroke:#64B5F6
+    style N7 fill:#E3F2FD,stroke:#64B5F6
+    style N8 fill:#FFE88D,stroke:#FFDA4E
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_37.mmd b/test/mermaid/easy/mermaid_37.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..9a33a734041f80348b72a4494686105e73f4d079
--- /dev/null
+++ b/test/mermaid/easy/mermaid_37.mmd
@@ -0,0 +1,42 @@
+graph RL
+    N0([Property Appraisal])
+    N1[Renovation Planning]
+    N2[[Closing Meeting]]
+    N3[[Home Inspection]]
+    N4[Virtual Tour Creation]
+    N5(Legal Verification)
+    N6[[Land Acquisition]]
+    N7{Document Signing}
+    N8[(Rental Agreement)]
+    N9([end])
+    N0 --> N1
+    N1 --> |constructs| N2
+    N2 --> |markets| N3
+    N3 -.-> N4
+    N4 --> |registers| N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> |advises| N9
+    N9 --> N1
+    style N0 fill:#E0F7FA,stroke:#00BCD4
+    style N1 fill:#F0F0F0,stroke:#D2D2D2
+    style N2 fill:#F0F0F0,stroke:#D2D2D2
+    style N3 fill:#F9FBE7,stroke:#C0CA33
+    style N4 fill:#F0F0F0,stroke:#D2D2D2
+    style N5 fill:#E0F7FA,stroke:#00BCD4
+    style N6 fill:#E0F7FA,stroke:#00BCD4
+    style N7 fill:#F9FBE7,stroke:#C0CA33
+    style N8 fill:#F0F0F0,stroke:#D2D2D2
+    style N9 fill:#F9FBE7,stroke:#C0CA33
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#C0CA33,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_37.txt b/test/mermaid/easy/mermaid_37.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a93c17f6d46adc23ca31e80728e9a50403f36d84
--- /dev/null
+++ b/test/mermaid/easy/mermaid_37.txt
@@ -0,0 +1,10 @@
+<Closing Meeting, markets, Home Inspection>
+<Document Signing, connectedTo, Rental Agreement>
+<Home Inspection, connectedTo, Virtual Tour Creation>
+<Land Acquisition, connectedTo, Document Signing>
+<Legal Verification, connectedTo, Land Acquisition>
+<Property Appraisal, connectedTo, Renovation Planning>
+<Renovation Planning, constructs, Closing Meeting>
+<Rental Agreement, advises, end>
+<Virtual Tour Creation, registers, Legal Verification>
+<end, connectedTo, Renovation Planning>
diff --git a/test/mermaid/easy/mermaid_39.mmd b/test/mermaid/easy/mermaid_39.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1f26e39e5607fc64370c697aa1939896265bba23
--- /dev/null
+++ b/test/mermaid/easy/mermaid_39.mmd
@@ -0,0 +1,40 @@
+graph LR
+    N0([start])
+    N1{Buyer Inquiry}
+    N2([Ownership Transfer])
+    N3([Property Marketing])
+    N4(Investment Property Analysis)
+    N5[Home Inspection]
+    N6[Agent Assignment]
+    N7[/Offer Submission/]
+    N8[[Brokerage License Renewal]]
+    N9(HOA Management)
+    N10([Renovation Planning])
+    N11([end])
+    N0 --> |no| N1
+    N1 --> |yes| N2
+    N2 --> |no| N3
+    N3 -.-> |yes| N4
+    N4 --> N5
+    N5 --> |yes| N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> |no| N10
+    N10 -.-> N11
+    N9 -.-> N4
+    N10 --> N7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FF9800,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_39.txt b/test/mermaid/easy/mermaid_39.txt
new file mode 100644
index 0000000000000000000000000000000000000000..345fa2cadcd3d0dec6daf7bcbd2626e2016edd2b
--- /dev/null
+++ b/test/mermaid/easy/mermaid_39.txt
@@ -0,0 +1,13 @@
+<Agent Assignment, connectedTo, Offer Submission>
+<Brokerage License Renewal, connectedTo, HOA Management>
+<Buyer Inquiry, yes, Ownership Transfer>
+<HOA Management, connectedTo, Investment Property Analysis>
+<HOA Management, no, Renovation Planning>
+<Home Inspection, yes, Agent Assignment>
+<Investment Property Analysis, connectedTo, Home Inspection>
+<Offer Submission, connectedTo, Brokerage License Renewal>
+<Ownership Transfer, no, Property Marketing>
+<Property Marketing, yes, Investment Property Analysis>
+<Renovation Planning, connectedTo, Offer Submission>
+<Renovation Planning, connectedTo, end>
+<start, no, Buyer Inquiry>
diff --git a/test/mermaid/easy/mermaid_4.txt b/test/mermaid/easy/mermaid_4.txt
new file mode 100644
index 0000000000000000000000000000000000000000..600a707830dddfccffe8e800e2ecb74954e1c21c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_4.txt
@@ -0,0 +1,13 @@
+<Case Review, connectedTo, Telemedicine Consultation>
+<Clinical Trial, connectedTo, Vaccination>
+<Device Implantation, connectedTo, Medication Dispensing>
+<Device Implantation, no, Pharmacy Order>
+<Medication Dispensing, yes, Patient Education>
+<Patient Education, yes, Symptom Monitoring>
+<Pharmacy Order, no, end>
+<Physical Examination, no, Case Review>
+<Symptom Monitoring, no, Clinical Trial>
+<Telemedicine Consultation, connectedTo, Device Implantation>
+<Telemedicine Consultation, yes, Pharmacy Order>
+<Vaccination, connectedTo, Physical Examination>
+<start, connectedTo, Device Implantation>
diff --git a/test/mermaid/easy/mermaid_40.txt b/test/mermaid/easy/mermaid_40.txt
new file mode 100644
index 0000000000000000000000000000000000000000..43af2dd95d96d15d80abc59763a5db33c9089479
--- /dev/null
+++ b/test/mermaid/easy/mermaid_40.txt
@@ -0,0 +1,8 @@
+<Disaster Relief Coordination, evacuates, end>
+<Evacuation Planning, assesses, Evidence Collection>
+<Evidence Collection, plans, Hostage Negotiation>
+<Hazard Detection, connectedTo, Disaster Relief Coordination>
+<Hostage Negotiation, connectedTo, K9 Unit Deployment>
+<K9 Unit Deployment, connectedTo, Hazard Detection>
+<K9 Unit Deployment, connectedTo, end>
+<start, connectedTo, Evacuation Planning>
diff --git a/test/mermaid/easy/mermaid_41.mmd b/test/mermaid/easy/mermaid_41.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..2b7ab642a86952b285f0534aa3a676ce4ea34c99
--- /dev/null
+++ b/test/mermaid/easy/mermaid_41.mmd
@@ -0,0 +1,42 @@
+graph LR
+    N0([Fire Suppression])
+    N1([SWAT Team Activation])
+    N2[/Public Safety Training/]
+    N3[[Bomb Disposal]]
+    N4[Surveillance Review]
+    N5[Threat Assessment]
+    N6[Border Security]
+    N7(Emergency Medical Service)
+    N8[(Shelter Setup)]
+    N9([Traffic Control])
+    N0 -.-> |secures| N1
+    N1 --> N2
+    N2 --> |identifies| N3
+    N3 -.-> N4
+    N4 -.-> |protects| N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> |equips| N8
+    N8 --> N9
+    N2 -.-> N4
+    style N0 fill:#FFFDE0,stroke:#FFF8A6
+    style N1 fill:#FFEBEB,stroke:#FFC2C2
+    style N2 fill:#D6D9F0,stroke:#9FA9E1
+    style N3 fill:#FFEBEB,stroke:#FFC2C2
+    style N4 fill:#FFEBEB,stroke:#FFC2C2
+    style N5 fill:#FFEBEB,stroke:#FFC2C2
+    style N6 fill:#FFEBEB,stroke:#FFC2C2
+    style N7 fill:#D6D9F0,stroke:#9FA9E1
+    style N8 fill:#FFFDE0,stroke:#FFF8A6
+    style N9 fill:#FFFDE0,stroke:#FFF8A6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFC2C2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_42.mmd b/test/mermaid/easy/mermaid_42.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f442e5dd602cb0b59d44f8e721ca4c8e73c1f9c8
--- /dev/null
+++ b/test/mermaid/easy/mermaid_42.mmd
@@ -0,0 +1,40 @@
+graph BT
+    N0([start])
+    N1[Incident Reporting]
+    N2(K9 Unit Deployment)
+    N3[Crime Prevention Programs]
+    N4[[Bomb Disposal]]
+    N5{Rescue Coordination}
+    N6[Hostage Negotiation]
+    N7[First Aid Deployment]
+    N8([Forensic Analysis])
+    N0 -.-> N1
+    N1 -.-> |maintains| N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> |coordinates| N6
+    N6 -.-> N7
+    N7 -.-> |rescues| N8
+    N8 -.-> N4
+    N4 -.-> |responds to| N1
+    style N0 fill:#FFE0B2,stroke:#FF9800
+    style N1 fill:#C8E6C9,stroke:#4CAF50
+    style N2 fill:#FFE0B2,stroke:#FF9800
+    style N3 fill:#C8E6C9,stroke:#4CAF50
+    style N4 fill:#FFE0B2,stroke:#FF9800
+    style N5 fill:#DED7F0,stroke:#A188DB
+    style N6 fill:#C8E6C9,stroke:#4CAF50
+    style N7 fill:#DED7F0,stroke:#A188DB
+    style N8 fill:#C8E6C9,stroke:#4CAF50
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_43.mmd b/test/mermaid/easy/mermaid_43.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..febac0e548ad72f4195e45dc7c44eeed136d35f9
--- /dev/null
+++ b/test/mermaid/easy/mermaid_43.mmd
@@ -0,0 +1,40 @@
+graph BT
+    N0([Film Distribution])
+    N1[[Set Construction]]
+    N2[/Merchandise Creation/]
+    N3[/Concert Promotion/]
+    N4(Broadcast Scheduling)
+    N5[Footage Review]
+    N6[[Visual Effects]]
+    N7[[Lighting Setup]]
+    N8([end])
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> |directs| N6
+    N6 --> |auditions| N7
+    N7 --> |develops| N8
+    N1 -.-> |promotes| N4
+    N6 --> N2
+    style N0 fill:#E8F0FF,stroke:#A2D0FF
+    style N1 fill:#EBEBEB,stroke:#E0E0E0
+    style N2 fill:#D1C4E9,stroke:#673AB7
+    style N3 fill:#E8F0FF,stroke:#A2D0FF
+    style N4 fill:#E8F0FF,stroke:#A2D0FF
+    style N5 fill:#EBEBEB,stroke:#E0E0E0
+    style N6 fill:#D1C4E9,stroke:#673AB7
+    style N7 fill:#D1C4E9,stroke:#673AB7
+    style N8 fill:#E8F0FF,stroke:#A2D0FF
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#A2D0FF,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_43.txt b/test/mermaid/easy/mermaid_43.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ab8775d11b186fe15cb03ad80e08a1a81c52b529
--- /dev/null
+++ b/test/mermaid/easy/mermaid_43.txt
@@ -0,0 +1,10 @@
+<Broadcast Scheduling, connectedTo, Footage Review>
+<Concert Promotion, connectedTo, Broadcast Scheduling>
+<Film Distribution, connectedTo, Set Construction>
+<Footage Review, directs, Visual Effects>
+<Lighting Setup, develops, end>
+<Merchandise Creation, connectedTo, Concert Promotion>
+<Set Construction, connectedTo, Merchandise Creation>
+<Set Construction, promotes, Broadcast Scheduling>
+<Visual Effects, auditions, Lighting Setup>
+<Visual Effects, connectedTo, Merchandise Creation>
diff --git a/test/mermaid/easy/mermaid_44.txt b/test/mermaid/easy/mermaid_44.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1bb83266bd84015328e169d72334601cb0643d0c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_44.txt
@@ -0,0 +1,12 @@
+<Film Distribution, yes, Sponsorship Acquisition>
+<Intellectual Property Protection, connectedTo, end>
+<Live Performance, yes, Film Distribution>
+<Marketing Campaign, yes, Talent Management>
+<Script Writing, connectedTo, Set Construction>
+<Set Construction, yes, Intellectual Property Protection>
+<Sponsorship Acquisition, yes, Marketing Campaign>
+<Streaming Setup, connectedTo, Script Writing>
+<Talent Management, yes, Streaming Setup>
+<end, connectedTo, Marketing Campaign>
+<start, connectedTo, Sponsorship Acquisition>
+<start, no, Live Performance>
diff --git a/test/mermaid/easy/mermaid_45.mmd b/test/mermaid/easy/mermaid_45.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..444a57d4b2af69962fe4c3bf7a7e1dd18d0895e7
--- /dev/null
+++ b/test/mermaid/easy/mermaid_45.mmd
@@ -0,0 +1,32 @@
+graph BT
+    N0([start])
+    N1[Intellectual Property Protection]
+    N2(Budget Planning)
+    N3[Animation Production]
+    N4[Stunt Coordination]
+    N5[Film Festival Submission]
+    N6[[Game Development]]
+    N7[Post_Production Audio Mixing]
+    N8[/Costume Design/]
+    N9([end])
+    N0 -.-> |yes| N1
+    N1 -.-> |no| N2
+    N2 --> N3
+    N3 --> |yes| N4
+    N4 --> N5
+    N5 -.-> |no| N6
+    N6 -.-> |no| N7
+    N7 --> N8
+    N8 -.-> |yes| N9
+    N6 -.-> N5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#D2D2D2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_45.txt b/test/mermaid/easy/mermaid_45.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9c53807c88e2336ed778da5bd45f4cd8e7699ad6
--- /dev/null
+++ b/test/mermaid/easy/mermaid_45.txt
@@ -0,0 +1,10 @@
+<Animation Production, yes, Stunt Coordination>
+<Budget Planning, connectedTo, Animation Production>
+<Costume Design, yes, end>
+<Film Festival Submission, no, Game Development>
+<Game Development, connectedTo, Film Festival Submission>
+<Game Development, no, Post_Production Audio Mixing>
+<Intellectual Property Protection, no, Budget Planning>
+<Post_Production Audio Mixing, connectedTo, Costume Design>
+<Stunt Coordination, connectedTo, Film Festival Submission>
+<start, yes, Intellectual Property Protection>
diff --git a/test/mermaid/easy/mermaid_46.mmd b/test/mermaid/easy/mermaid_46.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..3047dd70881ed4a0e29d6afe9fbbf49766efa211
--- /dev/null
+++ b/test/mermaid/easy/mermaid_46.mmd
@@ -0,0 +1,38 @@
+graph LR
+    N0([start])
+    N1[Emission Reporting]
+    N2[Wildlife Survey]
+    N3([Stormwater Management])
+    N4(Air Quality Monitoring)
+    N5(Carbon Footprint Calculation)
+    N6{Resource Tracking}
+    N7([Noise Pollution Measurement])
+    N8[/Hazardous Material Handling/]
+    N9[/Renewable Energy Project Development/]
+    N10(Species Reintroduction)
+    N11([end])
+    N0 -.-> |yes| N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> |yes| N5
+    N5 -.-> |no| N6
+    N6 -.-> N7
+    N7 --> |yes| N8
+    N8 --> |no| N9
+    N9 -.-> N10
+    N10 --> N11
+    N6 -.-> |no| N11
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFC2C2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_46.txt b/test/mermaid/easy/mermaid_46.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2324970f4336e34a55f6a5c26dbec6bcd9a517a5
--- /dev/null
+++ b/test/mermaid/easy/mermaid_46.txt
@@ -0,0 +1,12 @@
+<Air Quality Monitoring, yes, Carbon Footprint Calculation>
+<Carbon Footprint Calculation, no, Resource Tracking>
+<Emission Reporting, connectedTo, Wildlife Survey>
+<Hazardous Material Handling, no, Renewable Energy Project Development>
+<Noise Pollution Measurement, yes, Hazardous Material Handling>
+<Renewable Energy Project Development, connectedTo, Species Reintroduction>
+<Resource Tracking, connectedTo, Noise Pollution Measurement>
+<Resource Tracking, no, end>
+<Species Reintroduction, connectedTo, end>
+<Stormwater Management, connectedTo, Air Quality Monitoring>
+<Wildlife Survey, connectedTo, Stormwater Management>
+<start, yes, Emission Reporting>
diff --git a/test/mermaid/easy/mermaid_48.mmd b/test/mermaid/easy/mermaid_48.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..7d1b3ac20b8acbacb9b061ba5279337b325bbf80
--- /dev/null
+++ b/test/mermaid/easy/mermaid_48.mmd
@@ -0,0 +1,35 @@
+graph LR
+    N0([start])
+    N1([Waste Water Treatment])
+    N2{Citizen Science Initiative}
+    N3(Ecological Footprint Analysis)
+    N4[/Environmental Research/]
+    N5[Carbon Footprint Calculation]
+    N6[Public Awareness Campaign]
+    N7(Water Sampling)
+    N8(Air Quality Monitoring)
+    N9[/Environmental Education Programs/]
+    N10([end])
+    N0 --> |no| N1
+    N1 -.-> |no| N2
+    N2 -.-> |no| N3
+    N3 -.-> |yes| N4
+    N4 -.-> |no| N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> |yes| N9
+    N9 -.-> N10
+    N8 --> |yes| N6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#A188DB,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_50.mmd b/test/mermaid/easy/mermaid_50.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c054e5b4add3e7938fee7398d1f2fcb89dead87f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_50.mmd
@@ -0,0 +1,26 @@
+graph LR
+    N0([start])
+    N1[/Grant Distribution/]
+    N2([Public Records Request])
+    N3{Legislation Review}
+    N4[/Whistleblower Protection/]
+    N5[(Public Consultation)]
+    N6[[Vehicle Registration]]
+    N7([end])
+    N0 -.-> N1
+    N1 -.-> |yes| N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> |no| N7
+    N4 --> |yes| N7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FBC02D,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_50.txt b/test/mermaid/easy/mermaid_50.txt
new file mode 100644
index 0000000000000000000000000000000000000000..178b7d02587fa9afac21cd33396f965c27724c29
--- /dev/null
+++ b/test/mermaid/easy/mermaid_50.txt
@@ -0,0 +1,8 @@
+<Grant Distribution, yes, Public Records Request>
+<Legislation Review, connectedTo, Whistleblower Protection>
+<Public Consultation, connectedTo, Vehicle Registration>
+<Public Records Request, connectedTo, Legislation Review>
+<Vehicle Registration, no, end>
+<Whistleblower Protection, connectedTo, Public Consultation>
+<Whistleblower Protection, yes, end>
+<start, connectedTo, Grant Distribution>
diff --git a/test/mermaid/easy/mermaid_51.mmd b/test/mermaid/easy/mermaid_51.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..6e358cf82a740ee041ee81ee1b103432f3713644
--- /dev/null
+++ b/test/mermaid/easy/mermaid_51.mmd
@@ -0,0 +1,40 @@
+graph LR
+    N0([Legal Advisory])
+    N1([Urban Planning])
+    N2[[Vehicle Registration]]
+    N3([Public Health Initiative])
+    N4[Citizen Feedback]
+    N5(Interdepartmental Approval)
+    N6(Grant Distribution)
+    N7[[Legislation Review]]
+    N8([end])
+    N0 -.-> |administers| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> |negotiates| N7
+    N7 --> N8
+    N3 --> |enforces| N5
+    N0 --> |registers| N2
+    style N0 fill:#FBE9E7,stroke:#FF8A65
+    style N1 fill:#F8BBD0,stroke:#E91E63
+    style N2 fill:#FBE9E7,stroke:#FF8A65
+    style N3 fill:#F8BBD0,stroke:#E91E63
+    style N4 fill:#F8BBD0,stroke:#E91E63
+    style N5 fill:#F8BBD0,stroke:#E91E63
+    style N6 fill:#E0E6E9,stroke:#AABEC6
+    style N7 fill:#F8BBD0,stroke:#E91E63
+    style N8 fill:#E0E6E9,stroke:#AABEC6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_52.mmd b/test/mermaid/easy/mermaid_52.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..90d20d3c863229027978c29f62c974f4c4cf797e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_52.mmd
@@ -0,0 +1,40 @@
+graph BT
+    N0([start])
+    N1[/Customer Checkout/]
+    N2[/Barcode Scanning/]
+    N3(Point of Sale System Update)
+    N4(Seasonal Sales Planning)
+    N5{Self_Checkout Assistance}
+    N6[(Customer Engagement)]
+    N7{Price Tagging}
+    N8([Loyalty Program Update])
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> |assists| N4
+    N4 -.-> |promotes| N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> |wraps| N8
+    N3 --> |trains| N7
+    N7 --> N6
+    style N0 fill:#CADEDE,stroke:#94C0C0
+    style N1 fill:#CADEDE,stroke:#94C0C0
+    style N2 fill:#ECCFF5,stroke:#CD8FF2
+    style N3 fill:#CADEDE,stroke:#94C0C0
+    style N4 fill:#FDFCEB,stroke:#EAEFA5
+    style N5 fill:#CADEDE,stroke:#94C0C0
+    style N6 fill:#FDFCEB,stroke:#EAEFA5
+    style N7 fill:#FDFCEB,stroke:#EAEFA5
+    style N8 fill:#FDFCEB,stroke:#EAEFA5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#CD8FF2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_52.txt b/test/mermaid/easy/mermaid_52.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bb6ffc2d0cf714044bfedead2578adcf76fe8e2d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_52.txt
@@ -0,0 +1,10 @@
+<Barcode Scanning, connectedTo, Point of Sale System Update>
+<Customer Checkout, connectedTo, Barcode Scanning>
+<Customer Engagement, connectedTo, Price Tagging>
+<Point of Sale System Update, assists, Seasonal Sales Planning>
+<Point of Sale System Update, trains, Price Tagging>
+<Price Tagging, connectedTo, Customer Engagement>
+<Price Tagging, wraps, Loyalty Program Update>
+<Seasonal Sales Planning, promotes, Self_Checkout Assistance>
+<Self_Checkout Assistance, connectedTo, Customer Engagement>
+<start, connectedTo, Customer Checkout>
diff --git a/test/mermaid/easy/mermaid_53.mmd b/test/mermaid/easy/mermaid_53.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f28b005123ff633ee03617bebfa3d5d498260356
--- /dev/null
+++ b/test/mermaid/easy/mermaid_53.mmd
@@ -0,0 +1,46 @@
+graph BT
+    N0([Product Demonstration])
+    N1[/Visual Merchandising/]
+    N2([Loyalty Program Update])
+    N3[/Store Layout Design/]
+    N4(Order Fulfillment)
+    N5[(Shelf Restocking)]
+    N6[Online Order Pickup]
+    N7(Daily Report Generation)
+    N8([Curbside Delivery])
+    N9[(Sales Forecasting)]
+    N10([end])
+    N0 -.-> |restocks| N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> |supplies| N5
+    N5 -.-> N6
+    N6 -.-> |manages| N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> |secures| N10
+    N4 -.-> |markets| N10
+    style N0 fill:#FCE4EC,stroke:#E91E63
+    style N1 fill:#FCE4EC,stroke:#E91E63
+    style N2 fill:#FFF9D4,stroke:#FFE69C
+    style N3 fill:#FCE4EC,stroke:#E91E63
+    style N4 fill:#FCE4EC,stroke:#E91E63
+    style N5 fill:#FFF9D4,stroke:#FFE69C
+    style N6 fill:#FCE4EC,stroke:#E91E63
+    style N7 fill:#FCE4EC,stroke:#E91E63
+    style N8 fill:#FFFDE0,stroke:#FFF8A6
+    style N9 fill:#FFFDE0,stroke:#FFF8A6
+    style N10 fill:#FFFDE0,stroke:#FFF8A6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFE69C,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_54.txt b/test/mermaid/easy/mermaid_54.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0d59c73adc4ac4d0708f70a78d97e8860c60da0f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_54.txt
@@ -0,0 +1,12 @@
+<Customer Engagement, forecasts, Self_Checkout Assistance>
+<Customer Engagement, packs, Customer Survey>
+<Customer Survey, displays, Receipt Issuing>
+<Fitting Room Management, personalizes, Supply Chain Optimization>
+<Point of Sale System Update, connectedTo, Promotion Planning>
+<Product Demonstration, assists, Staff Training>
+<Product Demonstration, connectedTo, Point of Sale System Update>
+<Promotion Planning, reports, Product Demonstration>
+<Receipt Issuing, stocks, Seasonal Sales Planning>
+<Seasonal Sales Planning, connectedTo, Point of Sale System Update>
+<Self_Checkout Assistance, connectedTo, Fitting Room Management>
+<Supply Chain Optimization, delivers, Customer Engagement>
diff --git a/test/mermaid/easy/mermaid_56.txt b/test/mermaid/easy/mermaid_56.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fff7cad0669693cdb2d38c02fc3dbcb8d949117b
--- /dev/null
+++ b/test/mermaid/easy/mermaid_56.txt
@@ -0,0 +1,9 @@
+<Autonomous Driving Software Development, connectedTo, Warranty Activation>
+<Body Shop Repair, produces, end>
+<Engine Installation, distributes, Software Calibration>
+<Inventory Tracking, schedules, Autonomous Driving Software Development>
+<Road Testing, connectedTo, Inventory Tracking>
+<Software Calibration, repairs, Vehicle Connectivity>
+<Vehicle Connectivity, connectedTo, Road Testing>
+<Warranty Activation, connectedTo, Road Testing>
+<Warranty Activation, leases, Body Shop Repair>
diff --git a/test/mermaid/easy/mermaid_57.mmd b/test/mermaid/easy/mermaid_57.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e910418a0a82e9ff2371f910557081ff40b553ed
--- /dev/null
+++ b/test/mermaid/easy/mermaid_57.mmd
@@ -0,0 +1,50 @@
+graph LR
+    N0([start])
+    N1{Emission Testing}
+    N2[[Paint Application]]
+    N3(Recycling of Vehicle Components)
+    N4[/Warranty Activation/]
+    N5[(Dealership Sales)]
+    N6[Vehicle Connectivity]
+    N7[/Oil Change/]
+    N8[Crash Simulation]
+    N9[[Maintenance Scheduling]]
+    N10{Software Calibration}
+    N11([Brake System Check])
+    N0 --> N1
+    N1 -.-> |insures| N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> |finances| N5
+    N5 -.-> N6
+    N6 --> |automates| N7
+    N7 -.-> |complies| N8
+    N8 -.-> |certifies| N9
+    N9 -.-> N10
+    N10 --> |optimizes| N11
+    N8 -.-> |schedules| N1
+    style N0 fill:#E6EE9C,stroke:#CDDC39
+    style N1 fill:#E0E6E9,stroke:#AABEC6
+    style N2 fill:#E6EE9C,stroke:#CDDC39
+    style N3 fill:#E0E6E9,stroke:#AABEC6
+    style N4 fill:#F2E6F5,stroke:#CB9BE1
+    style N5 fill:#E0E6E9,stroke:#AABEC6
+    style N6 fill:#E0E6E9,stroke:#AABEC6
+    style N7 fill:#E0E6E9,stroke:#AABEC6
+    style N8 fill:#E0E6E9,stroke:#AABEC6
+    style N9 fill:#E0E6E9,stroke:#AABEC6
+    style N10 fill:#E0E6E9,stroke:#AABEC6
+    style N11 fill:#E0E6E9,stroke:#AABEC6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#AABEC6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_57.txt b/test/mermaid/easy/mermaid_57.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ebc4e5f7aa77a58107d6c7efccd88127c35fc4d9
--- /dev/null
+++ b/test/mermaid/easy/mermaid_57.txt
@@ -0,0 +1,12 @@
+<Crash Simulation, certifies, Maintenance Scheduling>
+<Crash Simulation, schedules, Emission Testing>
+<Dealership Sales, connectedTo, Vehicle Connectivity>
+<Emission Testing, insures, Paint Application>
+<Maintenance Scheduling, connectedTo, Software Calibration>
+<Oil Change, complies, Crash Simulation>
+<Paint Application, connectedTo, Recycling of Vehicle Components>
+<Recycling of Vehicle Components, connectedTo, Warranty Activation>
+<Software Calibration, optimizes, Brake System Check>
+<Vehicle Connectivity, automates, Oil Change>
+<Warranty Activation, finances, Dealership Sales>
+<start, connectedTo, Emission Testing>
diff --git a/test/mermaid/easy/mermaid_59.mmd b/test/mermaid/easy/mermaid_59.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1c30d01a61bb104c4b8e1ee9da6851d0db126aef
--- /dev/null
+++ b/test/mermaid/easy/mermaid_59.mmd
@@ -0,0 +1,52 @@
+graph TD
+    N0([Satellite Configuration])
+    N1{Astronaut Training}
+    N2[Runway Inspection]
+    N3{Extravehicular Activity Planning}
+    N4[[Launch Execution]]
+    N5[Aviation Safety Audit]
+    N6[Hypersonic Flight Testing]
+    N7[New Material Development]
+    N8[[Flight Crew Training]]
+    N9[(Propulsion Testing)]
+    N10(Rocket Assembly)
+    N11([Re_entry Vehicle Design])
+    N0 --> N1
+    N1 --> |coordinates| N2
+    N2 --> N3
+    N3 --> |predicts| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> |analyzes| N10
+    N10 --> |monitors| N11
+    N7 --> |regulates| N3
+    N4 -.-> |deploys| N6
+    style N0 fill:#FFF3E0,stroke:#FFB74D
+    style N1 fill:#F8FDD3,stroke:#D3EB9F
+    style N2 fill:#F8FDD3,stroke:#D3EB9F
+    style N3 fill:#FFF3E0,stroke:#FFB74D
+    style N4 fill:#FFF3E0,stroke:#FFB74D
+    style N5 fill:#FFF3E0,stroke:#FFB74D
+    style N6 fill:#F8FDD3,stroke:#D3EB9F
+    style N7 fill:#FFF3E0,stroke:#FFB74D
+    style N8 fill:#F8FDD3,stroke:#D3EB9F
+    style N9 fill:#E9F7E8,stroke:#6EB76D
+    style N10 fill:#FFF3E0,stroke:#FFB74D
+    style N11 fill:#F8FDD3,stroke:#D3EB9F
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_59.txt b/test/mermaid/easy/mermaid_59.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1de084ad7ec38fa5cf6b24fcea764b907428f545
--- /dev/null
+++ b/test/mermaid/easy/mermaid_59.txt
@@ -0,0 +1,13 @@
+<Astronaut Training, coordinates, Runway Inspection>
+<Aviation Safety Audit, connectedTo, Hypersonic Flight Testing>
+<Extravehicular Activity Planning, predicts, Launch Execution>
+<Flight Crew Training, connectedTo, Propulsion Testing>
+<Hypersonic Flight Testing, connectedTo, New Material Development>
+<Launch Execution, connectedTo, Aviation Safety Audit>
+<Launch Execution, deploys, Hypersonic Flight Testing>
+<New Material Development, connectedTo, Flight Crew Training>
+<New Material Development, regulates, Extravehicular Activity Planning>
+<Propulsion Testing, analyzes, Rocket Assembly>
+<Rocket Assembly, monitors, Re_entry Vehicle Design>
+<Runway Inspection, connectedTo, Extravehicular Activity Planning>
+<Satellite Configuration, connectedTo, Astronaut Training>
diff --git a/test/mermaid/easy/mermaid_60.mmd b/test/mermaid/easy/mermaid_60.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..db1102ae3b6528c0d6995934090df301e1419e4c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_60.mmd
@@ -0,0 +1,38 @@
+graph RL
+    N0([start])
+    N1[Launch Window Calculation]
+    N2[(Aviation Safety Audit)]
+    N3[Thermal Shield Testing]
+    N4[Astronaut Training]
+    N5[/Satellite Data Processing/]
+    N6{Re_entry Vehicle Design}
+    N7(Flight Simulation)
+    N8(Fueling Procedure)
+    N9[(Avionics Installation)]
+    N10[Emergency Protocols]
+    N11([end])
+    N0 --> |yes| N1
+    N1 -.-> |yes| N2
+    N2 -.-> N3
+    N3 -.-> |no| N4
+    N4 --> N5
+    N5 -.-> |no| N6
+    N6 --> |no| N7
+    N7 -.-> |no| N8
+    N8 --> |yes| N9
+    N9 --> N10
+    N10 --> N11
+    N8 --> |no| N6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#BA68C8,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_60.txt b/test/mermaid/easy/mermaid_60.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9d1f359ae5f24b4a86b32717693c9e5679f04e52
--- /dev/null
+++ b/test/mermaid/easy/mermaid_60.txt
@@ -0,0 +1,12 @@
+<Astronaut Training, connectedTo, Satellite Data Processing>
+<Aviation Safety Audit, connectedTo, Thermal Shield Testing>
+<Avionics Installation, connectedTo, Emergency Protocols>
+<Emergency Protocols, connectedTo, end>
+<Flight Simulation, no, Fueling Procedure>
+<Fueling Procedure, no, Re_entry Vehicle Design>
+<Fueling Procedure, yes, Avionics Installation>
+<Launch Window Calculation, yes, Aviation Safety Audit>
+<Re_entry Vehicle Design, no, Flight Simulation>
+<Satellite Data Processing, no, Re_entry Vehicle Design>
+<Thermal Shield Testing, no, Astronaut Training>
+<start, yes, Launch Window Calculation>
diff --git a/test/mermaid/easy/mermaid_62.mmd b/test/mermaid/easy/mermaid_62.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a36c40f7d21e14b9f54b318aa68d03026a6f7ed5
--- /dev/null
+++ b/test/mermaid/easy/mermaid_62.mmd
@@ -0,0 +1,50 @@
+graph RL
+    N0([start])
+    N1(Payment Processing)
+    N2[/Auto Accident Claims/]
+    N3{Claim Adjustment}
+    N4([Loss Prevention])
+    N5[(Compliance Reporting)]
+    N6(Agent Training)
+    N7(Risk Assessment)
+    N8[Product Development]
+    N9[/Claims Litigation Management/]
+    N10[Annuity Sales]
+    N11([end])
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> |certifies| N3
+    N3 -.-> |responds| N4
+    N4 -.-> |secures| N5
+    N5 --> |underwrites| N6
+    N6 --> |policies| N7
+    N7 --> N8
+    N8 -.-> |prevents| N9
+    N9 -.-> N10
+    N10 --> N11
+    N3 --> N10
+    style N0 fill:#FFF9C4,stroke:#FFEB3B
+    style N1 fill:#FFDAB9,stroke:#FFC085
+    style N2 fill:#FFDAB9,stroke:#FFC085
+    style N3 fill:#FFFCE6,stroke:#FFF9AE
+    style N4 fill:#FFFCE6,stroke:#FFF9AE
+    style N5 fill:#FFF9C4,stroke:#FFEB3B
+    style N6 fill:#FFF9C4,stroke:#FFEB3B
+    style N7 fill:#FFF9C4,stroke:#FFEB3B
+    style N8 fill:#FFF9C4,stroke:#FFEB3B
+    style N9 fill:#FFFCE6,stroke:#FFF9AE
+    style N10 fill:#FFFCE6,stroke:#FFF9AE
+    style N11 fill:#FFDAB9,stroke:#FFC085
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFF9AE,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_62.txt b/test/mermaid/easy/mermaid_62.txt
new file mode 100644
index 0000000000000000000000000000000000000000..76b58c473111d634e6bbcdd06d3da1a756ca953f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_62.txt
@@ -0,0 +1,12 @@
+<Agent Training, policies, Risk Assessment>
+<Annuity Sales, connectedTo, end>
+<Auto Accident Claims, certifies, Claim Adjustment>
+<Claim Adjustment, connectedTo, Annuity Sales>
+<Claim Adjustment, responds, Loss Prevention>
+<Claims Litigation Management, connectedTo, Annuity Sales>
+<Compliance Reporting, underwrites, Agent Training>
+<Loss Prevention, secures, Compliance Reporting>
+<Payment Processing, connectedTo, Auto Accident Claims>
+<Product Development, prevents, Claims Litigation Management>
+<Risk Assessment, connectedTo, Product Development>
+<start, connectedTo, Payment Processing>
diff --git a/test/mermaid/easy/mermaid_63.mmd b/test/mermaid/easy/mermaid_63.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f91cc7ff98b92b9cd9ec7c6af4c6f43bf4da102c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_63.mmd
@@ -0,0 +1,42 @@
+graph BT
+    N0([Data Security])
+    N1([Catastrophe Modeling])
+    N2[Healthcare Provider Network Management]
+    N3(Cyber Insurance Policy)
+    N4[(Product Development)]
+    N5[/Agent Training/]
+    N6(Third_Party Administrator Liaison)
+    N7[Risk Assessment]
+    N8[Policy Issuance]
+    N9([end])
+    N0 --> N1
+    N1 --> |complies| N2
+    N2 --> N3
+    N3 -.-> |manages| N4
+    N4 --> |underwrites| N5
+    N5 -.-> N6
+    N6 -.-> |cancels| N7
+    N7 --> N8
+    N8 --> N9
+    N7 --> |advises| N3
+    style N0 fill:#D0E0F8,stroke:#4285F4
+    style N1 fill:#F0F0F0,stroke:#D2D2D2
+    style N2 fill:#FFE0B2,stroke:#FF9800
+    style N3 fill:#F0F0F0,stroke:#D2D2D2
+    style N4 fill:#F0F0F0,stroke:#D2D2D2
+    style N5 fill:#F0F0F0,stroke:#D2D2D2
+    style N6 fill:#F0F0F0,stroke:#D2D2D2
+    style N7 fill:#F0F0F0,stroke:#D2D2D2
+    style N8 fill:#D0E0F8,stroke:#4285F4
+    style N9 fill:#FFE0B2,stroke:#FF9800
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4285F4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_63.txt b/test/mermaid/easy/mermaid_63.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ab10fc94d484edd9232fa5bf819232b0da36b284
--- /dev/null
+++ b/test/mermaid/easy/mermaid_63.txt
@@ -0,0 +1,10 @@
+<Agent Training, connectedTo, Third_Party Administrator Liaison>
+<Catastrophe Modeling, complies, Healthcare Provider Network Management>
+<Cyber Insurance Policy, manages, Product Development>
+<Data Security, connectedTo, Catastrophe Modeling>
+<Healthcare Provider Network Management, connectedTo, Cyber Insurance Policy>
+<Policy Issuance, connectedTo, end>
+<Product Development, underwrites, Agent Training>
+<Risk Assessment, advises, Cyber Insurance Policy>
+<Risk Assessment, connectedTo, Policy Issuance>
+<Third_Party Administrator Liaison, cancels, Risk Assessment>
diff --git a/test/mermaid/easy/mermaid_64.txt b/test/mermaid/easy/mermaid_64.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3d65c8d4ce70a9db39d405d4c7ebd15f66832b0a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_64.txt
@@ -0,0 +1,11 @@
+<Cryptography Implementation, monitors, Backup and Recovery>
+<Dark Web Monitoring, connectedTo, Security Audit>
+<Data Loss Prevention, notifies, Security Awareness Training>
+<Incident Response, connectedTo, Risk Management Framework>
+<Insider Threat Detection, connectedTo, Dark Web Monitoring>
+<Insider Threat Detection, connectedTo, Incident Response>
+<Risk Management Framework, connectedTo, Security Patch Management>
+<Security Audit, encrypts, Incident Response>
+<Security Awareness Training, authenticates, Insider Threat Detection>
+<Security Awareness Training, recovers, Backup and Recovery>
+<Security Patch Management, connectedTo, Cryptography Implementation>
diff --git a/test/mermaid/easy/mermaid_66.mmd b/test/mermaid/easy/mermaid_66.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..2d3862b9ec36126ccb47a0518aad01a5611f4bcf
--- /dev/null
+++ b/test/mermaid/easy/mermaid_66.mmd
@@ -0,0 +1,36 @@
+graph TD
+    N0([start])
+    N1([Network Security])
+    N2[(Digital Forensics)]
+    N3{Malware Analysis}
+    N4[[Access Control]]
+    N5{Dark Web Monitoring}
+    N6[(Identity Management)]
+    N7([User Training])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> |governs| N3
+    N3 --> |analyzes| N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> |notifies| N7
+    N3 --> |scans| N5
+    N3 -.-> |designs| N6
+    style N0 fill:#F6F6F6,stroke:#CFCFCF
+    style N1 fill:#FFE88D,stroke:#FFDA4E
+    style N2 fill:#F6F6F6,stroke:#CFCFCF
+    style N3 fill:#EBEBEB,stroke:#E0E0E0
+    style N4 fill:#FFE88D,stroke:#FFDA4E
+    style N5 fill:#EBEBEB,stroke:#E0E0E0
+    style N6 fill:#EBEBEB,stroke:#E0E0E0
+    style N7 fill:#F6F6F6,stroke:#CFCFCF
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#CFCFCF,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_68.txt b/test/mermaid/easy/mermaid_68.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9d4f9f32d6f8d24f83cfff2058467b0985e1cbde
--- /dev/null
+++ b/test/mermaid/easy/mermaid_68.txt
@@ -0,0 +1,9 @@
+<Energy Monitoring, connectedTo, Home Security System Activation>
+<Garage Door Control, connectedTo, Security Alert>
+<Home Security System Activation, adapts, Garage Door Control>
+<Irrigation System Control, connectedTo, end>
+<Routine Scheduling, learns, Smart Plug Management>
+<Security Alert, connectedTo, Home Security System Activation>
+<Security Alert, locks, Irrigation System Control>
+<Smart Plug Management, schedules, Energy Monitoring>
+<start, secures, Routine Scheduling>
diff --git a/test/mermaid/easy/mermaid_69.mmd b/test/mermaid/easy/mermaid_69.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a3f1ab870196b80a1a8ca149de09c30b4ba95db9
--- /dev/null
+++ b/test/mermaid/easy/mermaid_69.mmd
@@ -0,0 +1,42 @@
+graph TD
+    N0([start])
+    N1[[Voice Command]]
+    N2[Sound System Integration]
+    N3[(Leak Detection)]
+    N4{Smart Mirror Functionality}
+    N5[[Centralized Hub Configuration]]
+    N6[(Guest Access Management)]
+    N7[(Firmware Update)]
+    N8[/Personalized Comfort Settings/]
+    N9([end])
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> |controls| N4
+    N4 -.-> |diagnoses| N5
+    N5 -.-> |opens| N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> |optimizes| N9
+    N2 -.-> |designs| N7
+    style N0 fill:#FFEBEB,stroke:#FFC2C2
+    style N1 fill:#F0F0F0,stroke:#D2D2D2
+    style N2 fill:#F0F0F0,stroke:#D2D2D2
+    style N3 fill:#F3E5F5,stroke:#AB47BC
+    style N4 fill:#F0F0F0,stroke:#D2D2D2
+    style N5 fill:#F0F0F0,stroke:#D2D2D2
+    style N6 fill:#FFEBEB,stroke:#FFC2C2
+    style N7 fill:#F3E5F5,stroke:#AB47BC
+    style N8 fill:#F0F0F0,stroke:#D2D2D2
+    style N9 fill:#F0F0F0,stroke:#D2D2D2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFC2C2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_69.txt b/test/mermaid/easy/mermaid_69.txt
new file mode 100644
index 0000000000000000000000000000000000000000..43569246e7aa81150426f9e42ae889e091161af2
--- /dev/null
+++ b/test/mermaid/easy/mermaid_69.txt
@@ -0,0 +1,10 @@
+<Centralized Hub Configuration, opens, Guest Access Management>
+<Firmware Update, connectedTo, Personalized Comfort Settings>
+<Guest Access Management, connectedTo, Firmware Update>
+<Leak Detection, controls, Smart Mirror Functionality>
+<Personalized Comfort Settings, optimizes, end>
+<Smart Mirror Functionality, diagnoses, Centralized Hub Configuration>
+<Sound System Integration, connectedTo, Leak Detection>
+<Sound System Integration, designs, Firmware Update>
+<Voice Command, connectedTo, Sound System Integration>
+<start, connectedTo, Voice Command>
diff --git a/test/mermaid/easy/mermaid_7.mmd b/test/mermaid/easy/mermaid_7.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f59226bd84137ede879c32880b074becef13deb6
--- /dev/null
+++ b/test/mermaid/easy/mermaid_7.mmd
@@ -0,0 +1,34 @@
+graph RL
+    N0([Tool Setup])
+    N1[Parts Replacement]
+    N2[/Defect Analysis/]
+    N3(Tool Path Generation)
+    N4[/Machine Calibration/]
+    N5{Predictive Maintenance}
+    N6(Automated Guided Vehicle Operation)
+    N7([Supplier Qualification])
+    N0 --> |labels| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> |receives| N4
+    N4 --> |cuts| N5
+    N5 -.-> |molds| N6
+    N6 -.-> N7
+    N6 -.-> |stores| N1
+    style N0 fill:#FFF8E1,stroke:#FFD54F
+    style N1 fill:#FFF3E0,stroke:#FFA726
+    style N2 fill:#EDE7F6,stroke:#9575CD
+    style N3 fill:#FFF3E0,stroke:#FFA726
+    style N4 fill:#EDE7F6,stroke:#9575CD
+    style N5 fill:#EDE7F6,stroke:#9575CD
+    style N6 fill:#FFF8E1,stroke:#FFD54F
+    style N7 fill:#FFF3E0,stroke:#FFA726
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_70.mmd b/test/mermaid/easy/mermaid_70.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..3f16167f23f81bc2f8a5b02263deee38073817e2
--- /dev/null
+++ b/test/mermaid/easy/mermaid_70.mmd
@@ -0,0 +1,44 @@
+graph LR
+    N0([start])
+    N1(Air Quality Index Reporting)
+    N2(E_governance Services)
+    N3(Crowd Management)
+    N4[Sustainable Resource Management]
+    N5([Disaster Resilience Planning])
+    N6[Cybersecurity for Infrastructure]
+    N7{Digital Kiosk Information}
+    N8{Water Management System}
+    N9([Public Wi_Fi Deployment])
+    N0 -.-> |parks| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> |sustains| N6
+    N6 -.-> |lights| N7
+    N7 -.-> |funds| N8
+    N8 -.-> |complies| N9
+    N8 --> |monitors| N5
+    N1 --> |connects| N6
+    style N0 fill:#E0E6E9,stroke:#AABEC6
+    style N1 fill:#D0EFEE,stroke:#73C6BC
+    style N2 fill:#E0E6E9,stroke:#AABEC6
+    style N3 fill:#E9F7E8,stroke:#6EB76D
+    style N4 fill:#E9F7E8,stroke:#6EB76D
+    style N5 fill:#E9F7E8,stroke:#6EB76D
+    style N6 fill:#D0EFEE,stroke:#73C6BC
+    style N7 fill:#E9F7E8,stroke:#6EB76D
+    style N8 fill:#E9F7E8,stroke:#6EB76D
+    style N9 fill:#E0E6E9,stroke:#AABEC6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#AABEC6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_71.mmd b/test/mermaid/easy/mermaid_71.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ff472a99f67a658cc6c5b99cf3b1e1c23023606e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_71.mmd
@@ -0,0 +1,48 @@
+graph LR
+    N0([start])
+    N1[Public Health Monitoring]
+    N2[/Citizen Engagement Platform/]
+    N3[(E_governance Services)]
+    N4{Smart Education Initiatives}
+    N5{Smart Traffic Lights}
+    N6[(Smart Water Meters)]
+    N7[(Smart Street Furniture)]
+    N8([Air Quality Index Reporting])
+    N9[Smart Lighting]
+    N10([Digital Kiosk Information])
+    N0 --> |audits| N1
+    N1 --> |funds| N2
+    N2 -.-> |communicates| N3
+    N3 -.-> |engages| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> |transports| N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> |complies| N10
+    N9 --> |responds| N3
+    N8 -.-> |predicts| N7
+    style N0 fill:#FFEBEB,stroke:#FFC2C2
+    style N1 fill:#C9F0F0,stroke:#4DD0E1
+    style N2 fill:#FFEBEB,stroke:#FFC2C2
+    style N3 fill:#C9F0F0,stroke:#4DD0E1
+    style N4 fill:#F5F5DC,stroke:#BCB88A
+    style N5 fill:#C9F0F0,stroke:#4DD0E1
+    style N6 fill:#FFEBEB,stroke:#FFC2C2
+    style N7 fill:#FFEBEB,stroke:#FFC2C2
+    style N8 fill:#FFEBEB,stroke:#FFC2C2
+    style N9 fill:#F5F5DC,stroke:#BCB88A
+    style N10 fill:#C9F0F0,stroke:#4DD0E1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_71.txt b/test/mermaid/easy/mermaid_71.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5afceda22e767e4d3ae11306928ef4c76fc45d11
--- /dev/null
+++ b/test/mermaid/easy/mermaid_71.txt
@@ -0,0 +1,12 @@
+<Air Quality Index Reporting, connectedTo, Smart Lighting>
+<Air Quality Index Reporting, predicts, Smart Street Furniture>
+<Citizen Engagement Platform, communicates, E_governance Services>
+<E_governance Services, engages, Smart Education Initiatives>
+<Public Health Monitoring, funds, Citizen Engagement Platform>
+<Smart Education Initiatives, connectedTo, Smart Traffic Lights>
+<Smart Lighting, complies, Digital Kiosk Information>
+<Smart Lighting, responds, E_governance Services>
+<Smart Street Furniture, connectedTo, Air Quality Index Reporting>
+<Smart Traffic Lights, connectedTo, Smart Water Meters>
+<Smart Water Meters, transports, Smart Street Furniture>
+<start, audits, Public Health Monitoring>
diff --git a/test/mermaid/easy/mermaid_72.txt b/test/mermaid/easy/mermaid_72.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3a021d2d647e3815654bd1a19ad88325b5b2c90d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_72.txt
@@ -0,0 +1,10 @@
+<Cybersecurity for Infrastructure, builds, Smart Parking>
+<Data Privacy Protection, connectedTo, Public Wi_Fi Deployment>
+<Green Space Management, connectedTo, Smart Education Initiatives>
+<Green Space Management, connectedTo, Water Management System>
+<Public Wi_Fi Deployment, protects, Waste Management Optimization>
+<Smart Education Initiatives, connectedTo, Data Privacy Protection>
+<Traffic Flow Optimization, complies, Smart Education Initiatives>
+<Waste Management Optimization, audits, Green Space Management>
+<Water Management System, plans, Cybersecurity for Infrastructure>
+<start, measures, Traffic Flow Optimization>
diff --git a/test/mermaid/easy/mermaid_75.mmd b/test/mermaid/easy/mermaid_75.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..2aecf73079c5b52d2cacb33a0f987c0f64813fb8
--- /dev/null
+++ b/test/mermaid/easy/mermaid_75.mmd
@@ -0,0 +1,46 @@
+graph LR
+    N0([start])
+    N1(Gene Therapy Delivery)
+    N2[/Drug Discovery/]
+    N3(Intellectual Property Protection)
+    N4[[Nanobiotechnology Application]]
+    N5[(Microbial Fermentation)]
+    N6[Biomarker Discovery]
+    N7[Synthetic Biology Design]
+    N8[/Biosafety Protocol/]
+    N9[/Preclinical Testing/]
+    N10([Vaccine Development])
+    N0 -.-> |commercializes| N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> |purifies| N5
+    N5 --> N6
+    N6 -.-> |ferments| N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N0 --> |isolates| N8
+    style N0 fill:#FBE9E7,stroke:#FF8A65
+    style N1 fill:#EFE6FF,stroke:#C2B2F0
+    style N2 fill:#FBE9E7,stroke:#FF8A65
+    style N3 fill:#FBE9E7,stroke:#FF8A65
+    style N4 fill:#FBE9E7,stroke:#FF8A65
+    style N5 fill:#EFE6FF,stroke:#C2B2F0
+    style N6 fill:#EFE6FF,stroke:#C2B2F0
+    style N7 fill:#FBE9E7,stroke:#FF8A65
+    style N8 fill:#FFEBEE,stroke:#E57373
+    style N9 fill:#EFE6FF,stroke:#C2B2F0
+    style N10 fill:#EFE6FF,stroke:#C2B2F0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#C2B2F0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_75.txt b/test/mermaid/easy/mermaid_75.txt
new file mode 100644
index 0000000000000000000000000000000000000000..68687f485cd9c354fdb1360ca4922c6140a96673
--- /dev/null
+++ b/test/mermaid/easy/mermaid_75.txt
@@ -0,0 +1,11 @@
+<Biomarker Discovery, ferments, Synthetic Biology Design>
+<Biosafety Protocol, connectedTo, Preclinical Testing>
+<Drug Discovery, connectedTo, Intellectual Property Protection>
+<Gene Therapy Delivery, connectedTo, Drug Discovery>
+<Intellectual Property Protection, connectedTo, Nanobiotechnology Application>
+<Microbial Fermentation, connectedTo, Biomarker Discovery>
+<Nanobiotechnology Application, purifies, Microbial Fermentation>
+<Preclinical Testing, connectedTo, Vaccine Development>
+<Synthetic Biology Design, connectedTo, Biosafety Protocol>
+<start, commercializes, Gene Therapy Delivery>
+<start, isolates, Biosafety Protocol>
diff --git a/test/mermaid/easy/mermaid_76.mmd b/test/mermaid/easy/mermaid_76.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..36413971ebe0e5e44c9a1be1eabd17336a7cfbf9
--- /dev/null
+++ b/test/mermaid/easy/mermaid_76.mmd
@@ -0,0 +1,48 @@
+graph TD
+    N0([start])
+    N1[/Post_Marketing Surveillance/]
+    N2[[Distribution]]
+    N3[(Preclinical Testing)]
+    N4[/Process Validation/]
+    N5([Sales and Marketing Strategy])
+    N6[Sterile Product Filling]
+    N7[[Drug Device Combination]]
+    N8(Injectable Drug Manufacturing)
+    N9(Drug Stability Testing)
+    N10([Post_Approval Commitment Tracking])
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> |monitors| N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> |optimizes| N6
+    N6 -.-> |innovates| N7
+    N7 -.-> |regulates| N8
+    N8 --> N9
+    N9 --> |advises| N10
+    N10 --> N5
+    N9 --> |synthesizes| N8
+    style N0 fill:#DFE7EB,stroke:#B0C5CD
+    style N1 fill:#DFE7EB,stroke:#B0C5CD
+    style N2 fill:#FFECB3,stroke:#FFC107
+    style N3 fill:#D7CCC8,stroke:#795548
+    style N4 fill:#D7CCC8,stroke:#795548
+    style N5 fill:#DFE7EB,stroke:#B0C5CD
+    style N6 fill:#D7CCC8,stroke:#795548
+    style N7 fill:#DFE7EB,stroke:#B0C5CD
+    style N8 fill:#FFECB3,stroke:#FFC107
+    style N9 fill:#FFECB3,stroke:#FFC107
+    style N10 fill:#FFECB3,stroke:#FFC107
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFC107,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_76.txt b/test/mermaid/easy/mermaid_76.txt
new file mode 100644
index 0000000000000000000000000000000000000000..592eca74d676e68728a9338ab0f77831aac60e1c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_76.txt
@@ -0,0 +1,12 @@
+<Distribution, monitors, Preclinical Testing>
+<Drug Device Combination, regulates, Injectable Drug Manufacturing>
+<Drug Stability Testing, advises, Post_Approval Commitment Tracking>
+<Drug Stability Testing, synthesizes, Injectable Drug Manufacturing>
+<Injectable Drug Manufacturing, connectedTo, Drug Stability Testing>
+<Post_Approval Commitment Tracking, connectedTo, Sales and Marketing Strategy>
+<Post_Marketing Surveillance, connectedTo, Distribution>
+<Preclinical Testing, connectedTo, Process Validation>
+<Process Validation, connectedTo, Sales and Marketing Strategy>
+<Sales and Marketing Strategy, optimizes, Sterile Product Filling>
+<Sterile Product Filling, innovates, Drug Device Combination>
+<start, connectedTo, Post_Marketing Surveillance>
diff --git a/test/mermaid/easy/mermaid_77.mmd b/test/mermaid/easy/mermaid_77.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..52483908f90ee0bb01bc6d781882e2bfef58d028
--- /dev/null
+++ b/test/mermaid/easy/mermaid_77.mmd
@@ -0,0 +1,34 @@
+graph LR
+    N0([Audit Management])
+    N1(Manufacturing Scale_up)
+    N2(Drug Research)
+    N3([Post_Marketing Surveillance])
+    N4[/Injectable Drug Manufacturing/]
+    N5[[Global Regulatory Affairs]]
+    N6[Distribution]
+    N7([Drug Repurposing])
+    N0 --> |formulates| N1
+    N1 -.-> |recalls| N2
+    N2 --> |inspects| N3
+    N3 -.-> |patents| N4
+    N4 -.-> N5
+    N5 -.-> |synthesizes| N6
+    N6 --> |consults| N7
+    N2 -.-> N4
+    style N0 fill:#FFFCE6,stroke:#FFF9AE
+    style N1 fill:#FFF0CC,stroke:#FFCC80
+    style N2 fill:#FFF0CC,stroke:#FFCC80
+    style N3 fill:#EDF5F3,stroke:#A1D7CD
+    style N4 fill:#FFF0CC,stroke:#FFCC80
+    style N5 fill:#FFF0CC,stroke:#FFCC80
+    style N6 fill:#FFF0CC,stroke:#FFCC80
+    style N7 fill:#EDF5F3,stroke:#A1D7CD
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFCC80,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_78.mmd b/test/mermaid/easy/mermaid_78.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5f30b94c35f1cf076368f8c6fee7e96e0f2cf9ba
--- /dev/null
+++ b/test/mermaid/easy/mermaid_78.mmd
@@ -0,0 +1,48 @@
+graph RL
+    N0([start])
+    N1[/Post_Approval Commitment Tracking/]
+    N2[Packaging]
+    N3(Cleanroom Operations)
+    N4([Cold Chain Logistics])
+    N5[[Clinical Trial Phases]]
+    N6([Manufacturing Scale_up])
+    N7(Solid Dosage Formulation)
+    N8(Formulation Development)
+    N9[/Batch Release/]
+    N10([Active Pharmaceutical Ingredient Production])
+    N0 --> |trials| N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> |formulates| N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> |optimizes| N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 --> |distributes| N2
+    N3 --> |funds| N10
+    style N0 fill:#D6D9F0,stroke:#9FA9E1
+    style N1 fill:#F3E5F5,stroke:#BA68C8
+    style N2 fill:#D6D9F0,stroke:#9FA9E1
+    style N3 fill:#EDF5F3,stroke:#A1D7CD
+    style N4 fill:#F3E5F5,stroke:#BA68C8
+    style N5 fill:#D6D9F0,stroke:#9FA9E1
+    style N6 fill:#D6D9F0,stroke:#9FA9E1
+    style N7 fill:#D6D9F0,stroke:#9FA9E1
+    style N8 fill:#F3E5F5,stroke:#BA68C8
+    style N9 fill:#EDF5F3,stroke:#A1D7CD
+    style N10 fill:#F3E5F5,stroke:#BA68C8
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_8.txt b/test/mermaid/easy/mermaid_8.txt
new file mode 100644
index 0000000000000000000000000000000000000000..48bb626d5c2ea1c0f389556e284a9c47bdeb99e4
--- /dev/null
+++ b/test/mermaid/easy/mermaid_8.txt
@@ -0,0 +1,13 @@
+<Component Sourcing, connectedTo, Machine Calibration>
+<Component Sourcing, connectedTo, Quality Control>
+<Final Testing, yes, Storage>
+<Machine Calibration, connectedTo, Tool Setup>
+<Painting, connectedTo, Machine Calibration>
+<Predictive Maintenance, yes, end>
+<Quality Control, no, Safety Audit>
+<Safety Audit, connectedTo, Serialization>
+<Serialization, no, Predictive Maintenance>
+<Storage, yes, Component Sourcing>
+<Tool Setup, no, Final Testing>
+<Tool Setup, yes, end>
+<start, connectedTo, Painting>
diff --git a/test/mermaid/easy/mermaid_80.txt b/test/mermaid/easy/mermaid_80.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7f0b8e5092f1cb98163441f6d24d9cf1cdce4e2e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_80.txt
@@ -0,0 +1,12 @@
+<Agricultural Robotics, controls, Human_Robot Interaction>
+<Collaborative Robotics, paints, Performance Testing>
+<Data Collection, detects, Robot Fleet Management>
+<Force Control, connectedTo, Path Planning>
+<Human_Robot Interaction, manipulates, Path Planning>
+<Human_Robot Interaction, welds, Collaborative Robotics>
+<Path Planning, connectedTo, Data Collection>
+<Performance Testing, connectedTo, Force Control>
+<Performance Testing, senses, Path Planning>
+<Robot Fleet Management, connectedTo, Underwater Robotics>
+<Underwater Robotics, tests, end>
+<start, builds, Agricultural Robotics>
diff --git a/test/mermaid/easy/mermaid_81.txt b/test/mermaid/easy/mermaid_81.txt
new file mode 100644
index 0000000000000000000000000000000000000000..93c0a139f95ffb5a2498539aadb8542ebadb2511
--- /dev/null
+++ b/test/mermaid/easy/mermaid_81.txt
@@ -0,0 +1,12 @@
+<Autonomous Navigation, maintains, Safety System Implementation>
+<Ethical Robotics Development, operates, Autonomous Navigation>
+<Fault Detection and Diagnosis, learns, Autonomous Navigation>
+<Fault Detection and Diagnosis, simulates, Robot Design>
+<Human_Robot Interaction, connectedTo, Robot Programming>
+<Kinematics and Dynamics, inspects, Human_Robot Interaction>
+<Medical Robotics, grips, Fault Detection and Diagnosis>
+<Path Planning, connectedTo, end>
+<Robot Design, connectedTo, System Integration>
+<Robot Programming, connectedTo, Medical Robotics>
+<Safety System Implementation, connectedTo, Kinematics and Dynamics>
+<System Integration, connectedTo, Path Planning>
diff --git a/test/mermaid/easy/mermaid_82.mmd b/test/mermaid/easy/mermaid_82.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..632f8bc92a69ddc97668f4e04824d5b1021e0862
--- /dev/null
+++ b/test/mermaid/easy/mermaid_82.mmd
@@ -0,0 +1,36 @@
+graph BT
+    N0([start])
+    N1[(Change Order Management)]
+    N2([Punch List Completion])
+    N3{Material Procurement}
+    N4[/Utility Connection/]
+    N5[/Facade Installation/]
+    N6[/Post_Construction Handover/]
+    N7([Roofing Installation])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> |schedules| N3
+    N3 -.-> N4
+    N4 -.-> |coordinates| N5
+    N5 -.-> |constructs| N6
+    N6 --> |develops| N7
+    N3 --> |safety| N6
+    N2 -.-> |demolishes| N7
+    style N0 fill:#B3E5FC,stroke:#03A9F4
+    style N1 fill:#B2EBF2,stroke:#00BCD4
+    style N2 fill:#B3E5FC,stroke:#03A9F4
+    style N3 fill:#B3E5FC,stroke:#03A9F4
+    style N4 fill:#B2EBF2,stroke:#00BCD4
+    style N5 fill:#B3E5FC,stroke:#03A9F4
+    style N6 fill:#E4E0DF,stroke:#BDAFA8
+    style N7 fill:#B3E5FC,stroke:#03A9F4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_82.txt b/test/mermaid/easy/mermaid_82.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a6bca926c79beec5be4bdc3fa31955a02c244211
--- /dev/null
+++ b/test/mermaid/easy/mermaid_82.txt
@@ -0,0 +1,9 @@
+<Change Order Management, connectedTo, Punch List Completion>
+<Facade Installation, constructs, Post_Construction Handover>
+<Material Procurement, connectedTo, Utility Connection>
+<Material Procurement, safety, Post_Construction Handover>
+<Post_Construction Handover, develops, Roofing Installation>
+<Punch List Completion, demolishes, Roofing Installation>
+<Punch List Completion, schedules, Material Procurement>
+<Utility Connection, coordinates, Facade Installation>
+<start, connectedTo, Change Order Management>
diff --git a/test/mermaid/easy/mermaid_83.txt b/test/mermaid/easy/mermaid_83.txt
new file mode 100644
index 0000000000000000000000000000000000000000..da7f1f39c33158b53e16845e6eddc5de4d97f214
--- /dev/null
+++ b/test/mermaid/easy/mermaid_83.txt
@@ -0,0 +1,8 @@
+<Bridge Building, connectedTo, Utility Connection>
+<Landscape Design, no, end>
+<Project Scheduling, yes, Bridge Building>
+<Risk Assessment, no, Sustainable Building Design>
+<Sustainable Building Design, connectedTo, Project Scheduling>
+<Sustainable Building Design, yes, Bridge Building>
+<Utility Connection, connectedTo, Landscape Design>
+<start, no, Risk Assessment>
diff --git a/test/mermaid/easy/mermaid_84.mmd b/test/mermaid/easy/mermaid_84.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ee60500a954c34c0355da73f41c330cf23696821
--- /dev/null
+++ b/test/mermaid/easy/mermaid_84.mmd
@@ -0,0 +1,38 @@
+graph TD
+    N0([start])
+    N1[Safety Inspection]
+    N2[[Budget Tracking]]
+    N3[[Blueprint Review]]
+    N4[/Pre_fabrication/]
+    N5(Concrete Pouring)
+    N6([Interior Finishing])
+    N7(BIM Modeling)
+    N8([end])
+    N0 -.-> N1
+    N1 -.-> |estimates| N2
+    N2 --> |contracts| N3
+    N3 --> |designs| N4
+    N4 --> |repairs| N5
+    N5 --> |advises| N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N4 -.-> N0
+    style N0 fill:#E8F0FF,stroke:#A2D0FF
+    style N1 fill:#E8F5E9,stroke:#66BB6A
+    style N2 fill:#E8F0FF,stroke:#A2D0FF
+    style N3 fill:#E8F5E9,stroke:#66BB6A
+    style N4 fill:#FFEBEB,stroke:#FFC2C2
+    style N5 fill:#E8F0FF,stroke:#A2D0FF
+    style N6 fill:#E8F0FF,stroke:#A2D0FF
+    style N7 fill:#FFEBEB,stroke:#FFC2C2
+    style N8 fill:#E8F5E9,stroke:#66BB6A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFC2C2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_85.mmd b/test/mermaid/easy/mermaid_85.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..62a0830eea7f940a1a64c69c4bafb7531cb8cbbf
--- /dev/null
+++ b/test/mermaid/easy/mermaid_85.mmd
@@ -0,0 +1,52 @@
+graph BT
+    N0([Cross_Platform Syndication])
+    N1{Event Organization}
+    N2[(Platform Development)]
+    N3(Data Monetization)
+    N4([Brand Partnerships])
+    N5(Media Consumption Trends Analysis)
+    N6[Augmented Reality Experiences]
+    N7[[Digital Marketing]]
+    N8[(Radio Programming)]
+    N9[(Publishing)]
+    N10[User Generated Content Curation]
+    N11([end])
+    N0 --> |renders| N1
+    N1 -.-> N2
+    N2 --> |distributes| N3
+    N3 -.-> |photographs| N4
+    N4 -.-> N5
+    N5 -.-> |advertises| N6
+    N6 --> |regulates| N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> |produces| N10
+    N10 -.-> N11
+    N9 --> |investigates| N2
+    N7 -.-> |edits| N11
+    style N0 fill:#FFFCE6,stroke:#FFF9AE
+    style N1 fill:#FFFCE6,stroke:#FFF9AE
+    style N2 fill:#FFFDE7,stroke:#FBC02D
+    style N3 fill:#FFFDE7,stroke:#FBC02D
+    style N4 fill:#FFFDE7,stroke:#FBC02D
+    style N5 fill:#FFFCE6,stroke:#FFF9AE
+    style N6 fill:#FFFCE6,stroke:#FFF9AE
+    style N7 fill:#FFFDE7,stroke:#FBC02D
+    style N8 fill:#EBEBEB,stroke:#E0E0E0
+    style N9 fill:#EBEBEB,stroke:#E0E0E0
+    style N10 fill:#FFFDE7,stroke:#FBC02D
+    style N11 fill:#FFFDE7,stroke:#FBC02D
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#E0E0E0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_85.txt b/test/mermaid/easy/mermaid_85.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ba2a60154425cfe4a4eb25ad4de1357ac0bc8dc8
--- /dev/null
+++ b/test/mermaid/easy/mermaid_85.txt
@@ -0,0 +1,13 @@
+<Augmented Reality Experiences, regulates, Digital Marketing>
+<Brand Partnerships, connectedTo, Media Consumption Trends Analysis>
+<Cross_Platform Syndication, renders, Event Organization>
+<Data Monetization, photographs, Brand Partnerships>
+<Digital Marketing, connectedTo, Radio Programming>
+<Digital Marketing, edits, end>
+<Event Organization, connectedTo, Platform Development>
+<Media Consumption Trends Analysis, advertises, Augmented Reality Experiences>
+<Platform Development, distributes, Data Monetization>
+<Publishing, investigates, Platform Development>
+<Publishing, produces, User Generated Content Curation>
+<Radio Programming, connectedTo, Publishing>
+<User Generated Content Curation, connectedTo, end>
diff --git a/test/mermaid/easy/mermaid_87.mmd b/test/mermaid/easy/mermaid_87.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e4979f84459146ea04116939dbea111a3a38af20
--- /dev/null
+++ b/test/mermaid/easy/mermaid_87.mmd
@@ -0,0 +1,34 @@
+graph TD
+    N0([Cross_Platform Syndication])
+    N1[(Audience Engagement)]
+    N2[/Broadcasting/]
+    N3(Game Streaming)
+    N4[[Scriptwriting]]
+    N5[(User Generated Content Curation)]
+    N6[/Journalism/]
+    N7([Digital Marketing])
+    N0 -.-> |secures| N1
+    N1 --> |regulates| N2
+    N2 --> |creates| N3
+    N3 -.-> N4
+    N4 --> |complies| N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> |designs| N4
+    style N0 fill:#E6EE9C,stroke:#CDDC39
+    style N1 fill:#E1BEE7,stroke:#9C27B0
+    style N2 fill:#F3E5F5,stroke:#BA68C8
+    style N3 fill:#E6EE9C,stroke:#CDDC39
+    style N4 fill:#E1BEE7,stroke:#9C27B0
+    style N5 fill:#E1BEE7,stroke:#9C27B0
+    style N6 fill:#F3E5F5,stroke:#BA68C8
+    style N7 fill:#E6EE9C,stroke:#CDDC39
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#CDDC39,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_88.mmd b/test/mermaid/easy/mermaid_88.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..24971b3f59266acf3c2fa3ec2be6953e2c2adbef
--- /dev/null
+++ b/test/mermaid/easy/mermaid_88.mmd
@@ -0,0 +1,34 @@
+graph BT
+    N0([start])
+    N1[[Food Packaging Design]]
+    N2[/Branding and Marketing/]
+    N3[Food Processing Automation]
+    N4[Food Preservation]
+    N5[[Sustainable Sourcing]]
+    N6([New Product Launch])
+    N7([Restaurant Reservation System])
+    N0 -.-> N1
+    N1 -.-> |audits| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> |complies| N6
+    N6 --> |processes| N7
+    N1 --> |chills| N3
+    style N0 fill:#F9FBE7,stroke:#DCE775
+    style N1 fill:#C9F0F0,stroke:#4DD0E1
+    style N2 fill:#F9FBE7,stroke:#DCE775
+    style N3 fill:#C9F0F0,stroke:#4DD0E1
+    style N4 fill:#FFE88D,stroke:#FFDA4E
+    style N5 fill:#C9F0F0,stroke:#4DD0E1
+    style N6 fill:#C9F0F0,stroke:#4DD0E1
+    style N7 fill:#F9FBE7,stroke:#DCE775
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFDA4E,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_88.txt b/test/mermaid/easy/mermaid_88.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ee56a4eec98708fb547d2a39d2534386fea08dea
--- /dev/null
+++ b/test/mermaid/easy/mermaid_88.txt
@@ -0,0 +1,8 @@
+<Branding and Marketing, connectedTo, Food Processing Automation>
+<Food Packaging Design, audits, Branding and Marketing>
+<Food Packaging Design, chills, Food Processing Automation>
+<Food Preservation, connectedTo, Sustainable Sourcing>
+<Food Processing Automation, connectedTo, Food Preservation>
+<New Product Launch, processes, Restaurant Reservation System>
+<Sustainable Sourcing, complies, New Product Launch>
+<start, connectedTo, Food Packaging Design>
diff --git a/test/mermaid/easy/mermaid_89.mmd b/test/mermaid/easy/mermaid_89.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1a8552434c75676aac8631a61b94e29a51afeb21
--- /dev/null
+++ b/test/mermaid/easy/mermaid_89.mmd
@@ -0,0 +1,38 @@
+graph TD
+    N0([start])
+    N1(Brewing)
+    N2[/Customer Order Taking/]
+    N3[Food Safety Inspection]
+    N4[Quality Control]
+    N5[Product Shelf_Life Testing]
+    N6{New Product Launch}
+    N7[(Delivery Service Coordination)]
+    N8[[Ingredient Traceability]]
+    N9(Nutrition Analysis)
+    N10[/Recipe Development/]
+    N11([end])
+    N0 -.-> |no| N1
+    N1 --> |no| N2
+    N2 --> |yes| N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> |yes| N6
+    N6 -.-> N7
+    N7 -.-> |no| N8
+    N8 --> N9
+    N9 -.-> |no| N10
+    N10 -.-> N11
+    N10 --> N1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#64B5F6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_90.mmd b/test/mermaid/easy/mermaid_90.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..eac8c7940fa266cfa06a54069d8afa1cb37b43e1
--- /dev/null
+++ b/test/mermaid/easy/mermaid_90.mmd
@@ -0,0 +1,40 @@
+graph RL
+    N0([start])
+    N1[/Ingredient Traceability/]
+    N2(Food Preservation)
+    N3(Regulatory Compliance)
+    N4[(Food Preparation)]
+    N5[Product Shelf_Life Testing]
+    N6[[Inventory Management]]
+    N7[[Cooking]]
+    N8([Catering Operations])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> |sells| N5
+    N5 --> N6
+    N6 --> |preserves| N7
+    N7 --> |nutrifies| N8
+    N6 --> |transports| N5
+    N0 -.-> N4
+    style N0 fill:#C8EDFF,stroke:#82DAFF
+    style N1 fill:#C8EDFF,stroke:#82DAFF
+    style N2 fill:#D1C4E9,stroke:#673AB7
+    style N3 fill:#D1C4E9,stroke:#673AB7
+    style N4 fill:#D1C4E9,stroke:#673AB7
+    style N5 fill:#C8EDFF,stroke:#82DAFF
+    style N6 fill:#C8EDFF,stroke:#82DAFF
+    style N7 fill:#F8FDD3,stroke:#D3EB9F
+    style N8 fill:#D1C4E9,stroke:#673AB7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_90.txt b/test/mermaid/easy/mermaid_90.txt
new file mode 100644
index 0000000000000000000000000000000000000000..72c381371557c6358e1424be1ea2b54d41b5b7cc
--- /dev/null
+++ b/test/mermaid/easy/mermaid_90.txt
@@ -0,0 +1,10 @@
+<Cooking, nutrifies, Catering Operations>
+<Food Preparation, sells, Product Shelf_Life Testing>
+<Food Preservation, connectedTo, Regulatory Compliance>
+<Ingredient Traceability, connectedTo, Food Preservation>
+<Inventory Management, preserves, Cooking>
+<Inventory Management, transports, Product Shelf_Life Testing>
+<Product Shelf_Life Testing, connectedTo, Inventory Management>
+<Regulatory Compliance, connectedTo, Food Preparation>
+<start, connectedTo, Food Preparation>
+<start, connectedTo, Ingredient Traceability>
diff --git a/test/mermaid/easy/mermaid_91.txt b/test/mermaid/easy/mermaid_91.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b6810e47de01f657d9a9ec44efe7fd38bedbb749
--- /dev/null
+++ b/test/mermaid/easy/mermaid_91.txt
@@ -0,0 +1,9 @@
+<Fitness Conditioning, no, Sports Marketing>
+<Injury Management, yes, end>
+<Player Recruitment, no, Rule Enforcement>
+<Rule Enforcement, connectedTo, Injury Management>
+<Sports Marketing, connectedTo, Player Recruitment>
+<Ticketing Sales, connectedTo, Sports Marketing>
+<Ticketing Sales, yes, Fitness Conditioning>
+<Venue Booking, no, Ticketing Sales>
+<start, connectedTo, Venue Booking>
diff --git a/test/mermaid/easy/mermaid_92.txt b/test/mermaid/easy/mermaid_92.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0c614c11650e5cc67230e87f4777e4a468675d1a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_92.txt
@@ -0,0 +1,12 @@
+<Anti_Doping Control, connectedTo, Venue Booking>
+<Fitness Conditioning, connectedTo, Team Management>
+<League Management, consults, Refereeing>
+<Merchandise Sales, connectedTo, Player Recruitment>
+<Player Recruitment, markets, Anti_Doping Control>
+<Refereeing, connectedTo, Tournament Organization>
+<Scorekeeping, wins, League Management>
+<Stadium Operations, judges, Fitness Conditioning>
+<Team Management, designs, Merchandise Sales>
+<Team Management, secures, League Management>
+<Ticketing Sales, sells, Scorekeeping>
+<Tournament Organization, connectedTo, Stadium Operations>
diff --git a/test/mermaid/easy/mermaid_94.txt b/test/mermaid/easy/mermaid_94.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9791dbef13d87c1c9cb1eb6dc60036009bec0911
--- /dev/null
+++ b/test/mermaid/easy/mermaid_94.txt
@@ -0,0 +1,10 @@
+<Brand Building, manufactures, Retail Sales>
+<Design Sketching, connectedTo, Retail Store Merchandising>
+<Design Sketching, shows, Supply Chain Transparency>
+<Distribution, ethicals, Sustainable Fashion Practices>
+<Inventory Management, connectedTo, Distribution>
+<Retail Sales, connectedTo, Inventory Management>
+<Retail Store Merchandising, blogs, Brand Building>
+<Retail Store Merchandising, complies, Design Sketching>
+<Supply Chain Transparency, connectedTo, Design Sketching>
+<Sustainable Fashion Practices, samples, Customer Loyalty Programs>
diff --git a/test/mermaid/easy/mermaid_95.mmd b/test/mermaid/easy/mermaid_95.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..278fc49541eb453cfe20e71e141e006ff0a136b6
--- /dev/null
+++ b/test/mermaid/easy/mermaid_95.mmd
@@ -0,0 +1,31 @@
+graph RL
+    N0([start])
+    N1[Brand Licensing]
+    N2(Marketing Campaign)
+    N3[Material Sourcing]
+    N4{Product Photography}
+    N5[[Styling]]
+    N6[Retail Store Merchandising]
+    N7{Ready_to_Wear Collection Launch}
+    N8([end])
+    N0 -.-> |no| N1
+    N1 --> N2
+    N2 -.-> |no| N3
+    N3 -.-> |no| N4
+    N4 -.-> |no| N5
+    N5 -.-> N6
+    N6 --> |no| N7
+    N7 -.-> N8
+    N5 -.-> |no| N4
+    N7 -.-> N4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFE470,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_96.mmd b/test/mermaid/easy/mermaid_96.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..384a731070a58d0b6187ef79f9e445db9feac0e1
--- /dev/null
+++ b/test/mermaid/easy/mermaid_96.mmd
@@ -0,0 +1,52 @@
+graph BT
+    N0([start])
+    N1(Embroidery and Embellishment)
+    N2[(Inventory Management)]
+    N3[[Customer Loyalty Programs]]
+    N4{Brand Licensing}
+    N5[E_commerce Management]
+    N6[Supply Chain Transparency]
+    N7([Garment Production])
+    N8[(Fabric Innovation)]
+    N9[(Sample Creation)]
+    N10(Footwear Production)
+    N11([Distribution])
+    N0 -.-> N1
+    N1 -.-> |advises| N2
+    N2 -.-> |photographs| N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> |promotes| N8
+    N8 --> N9
+    N9 -.-> |cuts| N10
+    N10 -.-> |stylizes| N11
+    N10 -.-> |sketches| N2
+    N7 --> |sells| N11
+    style N0 fill:#D6D9F0,stroke:#9FA9E1
+    style N1 fill:#C5CAE9,stroke:#3F51B5
+    style N2 fill:#D6D9F0,stroke:#9FA9E1
+    style N3 fill:#FFE0B2,stroke:#FF9800
+    style N4 fill:#D6D9F0,stroke:#9FA9E1
+    style N5 fill:#C5CAE9,stroke:#3F51B5
+    style N6 fill:#FFE0B2,stroke:#FF9800
+    style N7 fill:#D6D9F0,stroke:#9FA9E1
+    style N8 fill:#C5CAE9,stroke:#3F51B5
+    style N9 fill:#FFE0B2,stroke:#FF9800
+    style N10 fill:#D6D9F0,stroke:#9FA9E1
+    style N11 fill:#FFE0B2,stroke:#FF9800
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_97.txt b/test/mermaid/easy/mermaid_97.txt
new file mode 100644
index 0000000000000000000000000000000000000000..75cb101e7bf8078431368c9b162aca859b6663c7
--- /dev/null
+++ b/test/mermaid/easy/mermaid_97.txt
@@ -0,0 +1,12 @@
+<Candidate Sourcing, connectedTo, Succession Planning>
+<Compliance Management, analyzes, Candidate Sourcing>
+<Compliance Management, connectedTo, Recruitment Planning>
+<Employee Engagement Surveys, protects, HR Analytics>
+<Exit Interviews, connectedTo, HR Analytics>
+<Exit Interviews, leads, Employee Engagement Surveys>
+<HR Analytics, motivates, Candidate Sourcing>
+<Recruitment Planning, connectedTo, Exit Interviews>
+<Succession Planning, coaches, Work_Life Balance Initiatives>
+<Union Negotiations, connectedTo, HR Budgeting>
+<Work_Life Balance Initiatives, connectedTo, Union Negotiations>
+<start, connectedTo, Compliance Management>
diff --git a/test/mermaid/easy/mermaid_98.txt b/test/mermaid/easy/mermaid_98.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4e82531d37aa9ceb898d1b0849e004eb9870813c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_98.txt
@@ -0,0 +1,8 @@
+<Change Management, manages, end>
+<Compensation and Benefits, connectedTo, Change Management>
+<Compensation and Benefits, disciplines, Global Mobility Programs>
+<Global Mobility Programs, secures, Change Management>
+<Grievance Handling, policies, HR Analytics>
+<HR Analytics, connectedTo, Compensation and Benefits>
+<Health and Safety Management, connectedTo, Grievance Handling>
+<start, connectedTo, Health and Safety Management>
diff --git a/test/mermaid/easy/mermaid_99.txt b/test/mermaid/easy/mermaid_99.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b80aef6655e143b36183f69608d5b39f89177d33
--- /dev/null
+++ b/test/mermaid/easy/mermaid_99.txt
@@ -0,0 +1,11 @@
+<Change Management, automates, Leave Management>
+<HR Analytics, onboards, end>
+<HR Information System Implementation, connectedTo, Interview Scheduling>
+<Interview Scheduling, retains, Change Management>
+<Leadership Training, reports, Work_Life Balance Initiatives>
+<Leave Management, connectedTo, HR Analytics>
+<Leave Management, recruits, Payroll Processing>
+<Leave Management, supports, start>
+<Payroll Processing, connectedTo, Leadership Training>
+<Work_Life Balance Initiatives, connectedTo, HR Information System Implementation>
+<start, connectedTo, Payroll Processing>
diff --git a/test/mermaid/scanned_hard/mermaid_1.mmd b/test/mermaid/scanned_hard/mermaid_1.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d8be2441677571ea70df96efd03ba5fde8afbf4d
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_1.mmd
@@ -0,0 +1,42 @@
+graph LR
+    N0([start])
+    N1(Transaction Logging)
+    N2{Treasury Management}
+    N3[Payment Gateway Integration]
+    N4([Budgeting Analysis])
+    N5(Portfolio Management)
+    N6{Credit Scoring}
+    N7[Account Closure]
+    N8[Underwriting]
+    N9([Transaction Audit])
+    N0 --> N1
+    N1 -.-> |models| N2
+    N2 -.-> |recommends| N3
+    N3 --> |complies| N4
+    N4 --> |calculates| N5
+    N5 --> |disburses| N6
+    N6 --> |monitors| N7
+    N7 --> N8
+    N8 -.-> N9
+    N7 --> |manages| N2
+    style N0 fill:#DED7F0,stroke:#A188DB
+    style N1 fill:#F6F6F6,stroke:#CFCFCF
+    style N2 fill:#DED7F0,stroke:#A188DB
+    style N3 fill:#C8EDFF,stroke:#82DAFF
+    style N4 fill:#C8EDFF,stroke:#82DAFF
+    style N5 fill:#C8EDFF,stroke:#82DAFF
+    style N6 fill:#C8EDFF,stroke:#82DAFF
+    style N7 fill:#C8EDFF,stroke:#82DAFF
+    style N8 fill:#C8EDFF,stroke:#82DAFF
+    style N9 fill:#C8EDFF,stroke:#82DAFF
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_10.mmd b/test/mermaid/scanned_hard/mermaid_10.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b6077c779e7ab6f74775216a12ddf7934be44eb7
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_10.mmd
@@ -0,0 +1,48 @@
+graph LR
+    N0([Roaming Activation])
+    N1[Plan Selection]
+    N2[Issue Resolution]
+    N3[(Antenna Maintenance)]
+    N4[/Call Recording/]
+    N5[VoIP Service]
+    N6{Troubleshooting Guide}
+    N7[Service Complaint]
+    N8([Network Upgrade])
+    N9([SIM Registration])
+    N10([Video Conferencing])
+    N0 -.-> N1
+    N1 -.-> |tops up| N2
+    N2 --> |installs| N3
+    N3 --> |configures| N4
+    N4 --> N5
+    N5 -.-> |routes| N6
+    N6 --> N7
+    N7 --> |registers| N8
+    N8 --> |regulates| N9
+    N9 -.-> |pays| N10
+    N0 -.-> N3
+    N3 -.-> |supports| N7
+    style N0 fill:#FFF6D9,stroke:#FFCC7A
+    style N1 fill:#FFF6D9,stroke:#FFCC7A
+    style N2 fill:#FCE4EC,stroke:#F06292
+    style N3 fill:#FCE4EC,stroke:#F06292
+    style N4 fill:#D3D7EB,stroke:#8C9EFF
+    style N5 fill:#D3D7EB,stroke:#8C9EFF
+    style N6 fill:#D3D7EB,stroke:#8C9EFF
+    style N7 fill:#FFF6D9,stroke:#FFCC7A
+    style N8 fill:#FCE4EC,stroke:#F06292
+    style N9 fill:#FFF6D9,stroke:#FFCC7A
+    style N10 fill:#FCE4EC,stroke:#F06292
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#F06292,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_100.txt b/test/mermaid/scanned_hard/mermaid_100.txt
new file mode 100644
index 0000000000000000000000000000000000000000..af2c57ea4641563139409d212ce04489bebcabe8
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_100.txt
@@ -0,0 +1,10 @@
+<Audit Planning, accountability, Labor Law Compliance>
+<Compliance Training, monitors, Ethics Committee Formation>
+<Corporate Governance Standards, connectedTo, Labor Law Compliance>
+<Corporate Governance Standards, guides, Audit Planning>
+<Ethics Committee Formation, prevents, Fair Competition Compliance>
+<Fair Competition Compliance, audits, Monitoring and Enforcement>
+<Information Security Compliance, connectedTo, Compliance Training>
+<Information Security Compliance, trains, Monitoring and Enforcement>
+<Labor Law Compliance, connectedTo, Information Security Compliance>
+<Monitoring and Enforcement, connectedTo, Reporting Mechanisms>
diff --git a/test/mermaid/scanned_hard/mermaid_101.mmd b/test/mermaid/scanned_hard/mermaid_101.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..73139b79d8fb477ac2bb7a756fc46c8801f0abad
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_101.mmd
@@ -0,0 +1,32 @@
+graph TD
+    N0([start])
+    N1(Laboratory Analysis)
+    N2[Voice Recognition]
+    N3[Ballistics Analysis]
+    N4([Forensic Entomology])
+    N5[Crime Database Search]
+    N6[/Expert Witness Testimony/]
+    N7{Forensic Pathology}
+    N8[Forensic Odontology]
+    N9([end])
+    N0 -.-> N1
+    N1 --> |no| N2
+    N2 -.-> N3
+    N3 --> |no| N4
+    N4 -.-> |yes| N5
+    N5 --> N6
+    N6 --> |no| N7
+    N7 --> |no| N8
+    N8 --> |no| N9
+    N4 --> N6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_101.txt b/test/mermaid/scanned_hard/mermaid_101.txt
new file mode 100644
index 0000000000000000000000000000000000000000..985bf89822b8b6ada38878c3d0b98ac436fd1ea8
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_101.txt
@@ -0,0 +1,10 @@
+<Ballistics Analysis, no, Forensic Entomology>
+<Crime Database Search, connectedTo, Expert Witness Testimony>
+<Expert Witness Testimony, no, Forensic Pathology>
+<Forensic Entomology, connectedTo, Expert Witness Testimony>
+<Forensic Entomology, yes, Crime Database Search>
+<Forensic Odontology, no, end>
+<Forensic Pathology, no, Forensic Odontology>
+<Laboratory Analysis, no, Voice Recognition>
+<Voice Recognition, connectedTo, Ballistics Analysis>
+<start, connectedTo, Laboratory Analysis>
diff --git a/test/mermaid/scanned_hard/mermaid_102.mmd b/test/mermaid/scanned_hard/mermaid_102.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c455db255fc0975f6fa10f15309e03b6a3abcf2a
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_102.mmd
@@ -0,0 +1,38 @@
+graph TD
+    N0([International Cooperation])
+    N1{Intelligence Analysis}
+    N2[[Target Hardening]]
+    N3[Transportation Security]
+    N4[Data Analytics for Terrorism]
+    N5{Radicalization Prevention}
+    N6[Threat Assessment]
+    N7[[Homeland Security Planning]]
+    N8([Training Exercises])
+    N0 --> |resilience_builds| N1
+    N1 --> |border_controls| N2
+    N2 --> |propaganda_counters| N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> |trains| N6
+    N6 -.-> |strategies_plans| N7
+    N7 --> |shares_info| N8
+    N3 --> N6
+    style N0 fill:#FFEBEE,stroke:#E57373
+    style N1 fill:#FDFCEB,stroke:#EAEFA5
+    style N2 fill:#DDCEDD,stroke:#AF56A6
+    style N3 fill:#FFEBEE,stroke:#E57373
+    style N4 fill:#FDFCEB,stroke:#EAEFA5
+    style N5 fill:#DDCEDD,stroke:#AF56A6
+    style N6 fill:#FFEBEE,stroke:#E57373
+    style N7 fill:#FFEBEE,stroke:#E57373
+    style N8 fill:#FFEBEE,stroke:#E57373
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#AF56A6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_102.txt b/test/mermaid/scanned_hard/mermaid_102.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3722ead80149ba806d7855df9d2d549e01dfddc3
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_102.txt
@@ -0,0 +1,9 @@
+<Data Analytics for Terrorism, connectedTo, Radicalization Prevention>
+<Homeland Security Planning, shares_info, Training Exercises>
+<Intelligence Analysis, border_controls, Target Hardening>
+<International Cooperation, resilience_builds, Intelligence Analysis>
+<Radicalization Prevention, trains, Threat Assessment>
+<Target Hardening, propaganda_counters, Transportation Security>
+<Threat Assessment, strategies_plans, Homeland Security Planning>
+<Transportation Security, connectedTo, Data Analytics for Terrorism>
+<Transportation Security, connectedTo, Threat Assessment>
diff --git a/test/mermaid/scanned_hard/mermaid_103.txt b/test/mermaid/scanned_hard/mermaid_103.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d9d06c52dc2b7672857e26340cae5cfa62b1780e
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_103.txt
@@ -0,0 +1,8 @@
+<Access Control Systems, tracks, Drone Surveillance>
+<Cyber Surveillance, connectedTo, Security Personnel Operations>
+<Drone Surveillance, authenticates, Wildlife Tracking>
+<Facial Recognition Systems, controls, Drone Surveillance>
+<Facial Recognition Systems, shares, Social Media Monitoring>
+<Privacy Concerns Mitigation, connectedTo, Access Control Systems>
+<Security Personnel Operations, connectedTo, Privacy Concerns Mitigation>
+<Wildlife Tracking, visualizes, Facial Recognition Systems>
diff --git a/test/mermaid/scanned_hard/mermaid_105.mmd b/test/mermaid/scanned_hard/mermaid_105.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..28cfeb1d65e18c14a1b7645334e2bd7a6b99fe74
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_105.mmd
@@ -0,0 +1,50 @@
+graph RL
+    N0([start])
+    N1[Conservation Genetics]
+    N2[(Anti_Poaching Operations)]
+    N3(Captive Breeding Programs)
+    N4(Climate Change Adaptation for Wildlife)
+    N5([Translocation of Species])
+    N6[(Ecological Survey)]
+    N7(Genetic Diversity Analysis)
+    N8[International Treaties Enforcement]
+    N9[Grassland Conservation]
+    N10[Ecosystem Services Valuation]
+    N11([Invasive Species Control])
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> |tracks_animals| N3
+    N3 -.-> N4
+    N4 --> |protects| N5
+    N5 -.-> |educates| N6
+    N6 -.-> |studies| N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> |models_populations| N10
+    N10 --> N11
+    N3 -.-> N5
+    style N0 fill:#E3F2FD,stroke:#64B5F6
+    style N1 fill:#FFFDE7,stroke:#FBC02D
+    style N2 fill:#FFECB3,stroke:#FFC107
+    style N3 fill:#E3F2FD,stroke:#64B5F6
+    style N4 fill:#E3F2FD,stroke:#64B5F6
+    style N5 fill:#FFFDE7,stroke:#FBC02D
+    style N6 fill:#FFECB3,stroke:#FFC107
+    style N7 fill:#FFFDE7,stroke:#FBC02D
+    style N8 fill:#FFFDE7,stroke:#FBC02D
+    style N9 fill:#FFECB3,stroke:#FFC107
+    style N10 fill:#FFFDE7,stroke:#FBC02D
+    style N11 fill:#FFFDE7,stroke:#FBC02D
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#64B5F6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_105.txt b/test/mermaid/scanned_hard/mermaid_105.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9e3bc10343fe7207f7431b631ddb7690b1e18479
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_105.txt
@@ -0,0 +1,12 @@
+<Anti_Poaching Operations, tracks_animals, Captive Breeding Programs>
+<Captive Breeding Programs, connectedTo, Climate Change Adaptation for Wildlife>
+<Captive Breeding Programs, connectedTo, Translocation of Species>
+<Climate Change Adaptation for Wildlife, protects, Translocation of Species>
+<Conservation Genetics, connectedTo, Anti_Poaching Operations>
+<Ecological Survey, studies, Genetic Diversity Analysis>
+<Ecosystem Services Valuation, connectedTo, Invasive Species Control>
+<Genetic Diversity Analysis, connectedTo, International Treaties Enforcement>
+<Grassland Conservation, models_populations, Ecosystem Services Valuation>
+<International Treaties Enforcement, connectedTo, Grassland Conservation>
+<Translocation of Species, educates, Ecological Survey>
+<start, connectedTo, Conservation Genetics>
diff --git a/test/mermaid/scanned_hard/mermaid_106.txt b/test/mermaid/scanned_hard/mermaid_106.txt
new file mode 100644
index 0000000000000000000000000000000000000000..abe613bd6ad8e4869411e47f932809bff5e002e8
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_106.txt
@@ -0,0 +1,12 @@
+<Buoy Deployment, connectedTo, Ocean Acidification Research>
+<Coastal Erosion Research, no, Tsunami Prediction>
+<Marine Ecosystem Health, yes, end>
+<Marine Life Observation, yes, Physical Oceanography>
+<Ocean Acidification Research, yes, Sediment Analysis>
+<Ocean Floor Mapping, no, Marine Ecosystem Health>
+<Physical Oceanography, yes, Coastal Erosion Research>
+<Sea Level Monitoring, no, Buoy Deployment>
+<Sediment Analysis, connectedTo, Marine Life Observation>
+<Tsunami Prediction, no, Ocean Floor Mapping>
+<end, connectedTo, Coastal Erosion Research>
+<start, connectedTo, Sea Level Monitoring>
diff --git a/test/mermaid/scanned_hard/mermaid_107.mmd b/test/mermaid/scanned_hard/mermaid_107.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..50915d129a041a6b878e21b900f1bf878f70ef23
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_107.mmd
@@ -0,0 +1,37 @@
+graph BT
+    N0([start])
+    N1[/Ground Motion Prediction/]
+    N2[Seismic Hazard Assessment]
+    N3([Seismic Instrumentation Maintenance])
+    N4{Computational Seismology}
+    N5[[Geophysical Exploration]]
+    N6[/P_Wave or S_Wave Distinction/]
+    N7(Seismic Data Processing)
+    N8[(Data Archiving and Distribution)]
+    N9([Seismic Inversion])
+    N10([end])
+    N0 --> |yes| N1
+    N1 --> |no| N2
+    N2 --> |yes| N3
+    N3 -.-> N4
+    N4 -.-> |no| N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> |yes| N8
+    N8 --> |yes| N9
+    N9 --> |yes| N10
+    N4 --> N10
+    N7 -.-> N6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#94C0C0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_107.txt b/test/mermaid/scanned_hard/mermaid_107.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cfac7a21ee9f577b843ce51536da148c3856a43d
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_107.txt
@@ -0,0 +1,12 @@
+<Computational Seismology, connectedTo, end>
+<Computational Seismology, no, Geophysical Exploration>
+<Data Archiving and Distribution, yes, Seismic Inversion>
+<Geophysical Exploration, connectedTo, P_Wave or S_Wave Distinction>
+<Ground Motion Prediction, no, Seismic Hazard Assessment>
+<P_Wave or S_Wave Distinction, connectedTo, Seismic Data Processing>
+<Seismic Data Processing, connectedTo, P_Wave or S_Wave Distinction>
+<Seismic Data Processing, yes, Data Archiving and Distribution>
+<Seismic Hazard Assessment, yes, Seismic Instrumentation Maintenance>
+<Seismic Instrumentation Maintenance, connectedTo, Computational Seismology>
+<Seismic Inversion, yes, end>
+<start, yes, Ground Motion Prediction>
diff --git a/test/mermaid/scanned_hard/mermaid_11.txt b/test/mermaid/scanned_hard/mermaid_11.txt
new file mode 100644
index 0000000000000000000000000000000000000000..882e56008d9954fe86cf1ccb0f9c90a82ec3aec9
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_11.txt
@@ -0,0 +1,12 @@
+<Animal Health Monitoring, connectedTo, Seed Sowing>
+<Barn Cleaning, complies, Seedling Transplanting>
+<Drone Scouting, controls, Barn Cleaning>
+<Drone Scouting, maps, Forestry Management>
+<Food Processing, connectedTo, Animal Health Monitoring>
+<Food Processing, educates, Hydroponic System Management>
+<Forestry Management, tracks, Barn Cleaning>
+<Hydroponic System Management, fertilizes, Soil Testing>
+<Market Transportation, connectedTo, Drone Scouting>
+<Seed Sowing, connectedTo, Hydroponic System Management>
+<Seedling Transplanting, connectedTo, Equipment Repair>
+<Soil Testing, distributes, Market Transportation>
diff --git a/test/mermaid/scanned_hard/mermaid_110.mmd b/test/mermaid/scanned_hard/mermaid_110.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..37bb40ccfbe3582d7cecadf025069013a4aa5639
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_110.mmd
@@ -0,0 +1,48 @@
+graph LR
+    N0([start])
+    N1[Named Entity Recognition]
+    N2(Natural Language Processing)
+    N3[/Text Visualization/]
+    N4{Keyword Extraction}
+    N5{Information Extraction}
+    N6(Sentiment Analysis)
+    N7[(Lemmatization or Stemming)]
+    N8[Knowledge Graph Construction]
+    N9[(Customer Feedback Analysis)]
+    N10([end])
+    N0 --> |sentiments| N1
+    N1 --> |data_collects| N2
+    N2 -.-> N3
+    N3 --> |automates| N4
+    N4 --> N5
+    N5 -.-> |cleans_data| N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> N10
+    N7 -.-> |analyzes| N10
+    N7 --> N1
+    style N0 fill:#E3F2FD,stroke:#64B5F6
+    style N1 fill:#E3F2FD,stroke:#64B5F6
+    style N2 fill:#E3F2FD,stroke:#64B5F6
+    style N3 fill:#E3F2FD,stroke:#64B5F6
+    style N4 fill:#FCE4EC,stroke:#F06292
+    style N5 fill:#FCE4EC,stroke:#F06292
+    style N6 fill:#D6D9F0,stroke:#9FA9E1
+    style N7 fill:#FCE4EC,stroke:#F06292
+    style N8 fill:#D6D9F0,stroke:#9FA9E1
+    style N9 fill:#E3F2FD,stroke:#64B5F6
+    style N10 fill:#E3F2FD,stroke:#64B5F6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#64B5F6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_110.txt b/test/mermaid/scanned_hard/mermaid_110.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d9ef3d98335a06dbdafe9461388110d9ee48cca0
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_110.txt
@@ -0,0 +1,12 @@
+<Customer Feedback Analysis, connectedTo, end>
+<Information Extraction, cleans_data, Sentiment Analysis>
+<Keyword Extraction, connectedTo, Information Extraction>
+<Knowledge Graph Construction, connectedTo, Customer Feedback Analysis>
+<Lemmatization or Stemming, analyzes, end>
+<Lemmatization or Stemming, connectedTo, Knowledge Graph Construction>
+<Lemmatization or Stemming, connectedTo, Named Entity Recognition>
+<Named Entity Recognition, data_collects, Natural Language Processing>
+<Natural Language Processing, connectedTo, Text Visualization>
+<Sentiment Analysis, connectedTo, Lemmatization or Stemming>
+<Text Visualization, automates, Keyword Extraction>
+<start, sentiments, Named Entity Recognition>
diff --git a/test/mermaid/scanned_hard/mermaid_111.mmd b/test/mermaid/scanned_hard/mermaid_111.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..572967b7bd62049242eb6dc3158c984f2172e7e8
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_111.mmd
@@ -0,0 +1,48 @@
+graph RL
+    N0([Predictive Maintenance])
+    N1[(Remote Control Capabilities)]
+    N2{Enterprise Asset Management Integration}
+    N3[(Augmented Reality Visualization)]
+    N4(Data Governance for Twins)
+    N5[[Lifecycle Management]]
+    N6([Asset Optimization])
+    N7(Real_Time Data Streaming)
+    N8(Risk Assessment)
+    N9{Data Security for Digital Twins}
+    N10([end])
+    N0 -.-> N1
+    N1 --> |repairs| N2
+    N2 --> |risks_mitigates| N3
+    N3 --> |real_time_updates| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> |blockchain_leverages| N7
+    N7 --> N8
+    N8 --> |troubleshoots| N9
+    N9 --> N10
+    N3 -.-> N6
+    N10 -.-> |scales| N7
+    style N0 fill:#BBDEFB,stroke:#2196F3
+    style N1 fill:#F0F4C3,stroke:#AED581
+    style N2 fill:#BBDEFB,stroke:#2196F3
+    style N3 fill:#F0F4C3,stroke:#AED581
+    style N4 fill:#F0F4C3,stroke:#AED581
+    style N5 fill:#F8BBD0,stroke:#E91E63
+    style N6 fill:#F0F4C3,stroke:#AED581
+    style N7 fill:#F0F4C3,stroke:#AED581
+    style N8 fill:#F8BBD0,stroke:#E91E63
+    style N9 fill:#F0F4C3,stroke:#AED581
+    style N10 fill:#BBDEFB,stroke:#2196F3
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#E91E63,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_112.txt b/test/mermaid/scanned_hard/mermaid_112.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fa09552a06efe8855ceea269507170fdc492d81f
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_112.txt
@@ -0,0 +1,9 @@
+<Audit Trail for Automation, connectedTo, Performance Monitoring of Bots>
+<Audit Trail for Automation, integrates_systems, Optical Character Recognition for Automation>
+<Finance Process Automation, optimizes, Audit Trail for Automation>
+<Integration with Existing Systems, reports_generates, Compliance in Automation>
+<Optical Character Recognition for Automation, connectedTo, Integration with Existing Systems>
+<Optical Character Recognition for Automation, errors_detects, Compliance in Automation>
+<Performance Monitoring of Bots, tracks, Optical Character Recognition for Automation>
+<Scripting for Automation, connectedTo, Finance Process Automation>
+<start, connectedTo, Scripting for Automation>
diff --git a/test/mermaid/scanned_hard/mermaid_113.mmd b/test/mermaid/scanned_hard/mermaid_113.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1992885f69971f5af696846fa1c9d7eb00721472
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_113.mmd
@@ -0,0 +1,36 @@
+graph RL
+    N0([start])
+    N1[/Metrology/]
+    N2[/Product Testing/]
+    N3([Quality Planning])
+    N4(Component Inspection)
+    N5[Continuous Improvement]
+    N6{Lean Principles in Quality}
+    N7([Testing Methods])
+    N0 --> |validates| N1
+    N1 --> |risk_manages| N2
+    N2 -.-> |analyzes_data| N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N0 -.-> |innovates| N2
+    N1 --> N4
+    style N0 fill:#FFFDE0,stroke:#FFF8A6
+    style N1 fill:#C2E8E6,stroke:#61CAC3
+    style N2 fill:#FCFCE7,stroke:#DCE775
+    style N3 fill:#FCFCE7,stroke:#DCE775
+    style N4 fill:#FCFCE7,stroke:#DCE775
+    style N5 fill:#FCFCE7,stroke:#DCE775
+    style N6 fill:#C2E8E6,stroke:#61CAC3
+    style N7 fill:#FFFDE0,stroke:#FFF8A6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_115.txt b/test/mermaid/scanned_hard/mermaid_115.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b6fa820b6c9ac12a0bfb32649416dcdd7cb0cd45
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_115.txt
@@ -0,0 +1,9 @@
+<Digital Soil Mapping, no, Smart Livestock Monitoring>
+<Digital Soil Mapping, yes, Drone Monitoring>
+<Drone Monitoring, yes, Farm Management Dashboards>
+<Farm Management Dashboards, connectedTo, Variable Rate Application>
+<Farm Robotics, connectedTo, end>
+<Smart Livestock Monitoring, connectedTo, Digital Soil Mapping>
+<Variable Rate Application, yes, Farm Robotics>
+<end, connectedTo, Digital Soil Mapping>
+<start, no, Smart Livestock Monitoring>
diff --git a/test/mermaid/scanned_hard/mermaid_116.txt b/test/mermaid/scanned_hard/mermaid_116.txt
new file mode 100644
index 0000000000000000000000000000000000000000..898ced05a5aaedd47c8f889bc48e54980a40cde0
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_116.txt
@@ -0,0 +1,9 @@
+<Anti_Cheat Measures, manages, Brand Partnerships>
+<Brand Partnerships, connectedTo, Player Contracts>
+<Event Broadcasting, connectedTo, Ticketing Sales>
+<Event Broadcasting, merchandise_sells, Anti_Cheat Measures>
+<Gambling and Betting Regulation, strategies_develops, Mental Health Support for Players>
+<Media Rights Negotiation, connectedTo, Gambling and Betting Regulation>
+<Mental Health Support for Players, monetizes, Event Broadcasting>
+<Player Contracts, connectedTo, Media Rights Negotiation>
+<Ticketing Sales, connectedTo, Media Rights Negotiation>
diff --git a/test/mermaid/scanned_hard/mermaid_117.txt b/test/mermaid/scanned_hard/mermaid_117.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c022c27b066908e1645a5f65118dc18d613fd0a1
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_117.txt
@@ -0,0 +1,8 @@
+<Brain_Computer Interface, therapies_develops, end>
+<Cellular Neuroscience, visualizes_data, Drug Development for Brain Disorders>
+<Drug Development for Brain Disorders, connectedTo, Sensory Perception Research>
+<Gene Therapy for Neurological Disorders, connectedTo, Optogenetics>
+<Neuroinformatics, presents, Cellular Neuroscience>
+<Optogenetics, models, Neuroinformatics>
+<Sensory Perception Research, connectedTo, Brain_Computer Interface>
+<end, connectedTo, Brain_Computer Interface>
diff --git a/test/mermaid/scanned_hard/mermaid_118.mmd b/test/mermaid/scanned_hard/mermaid_118.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d28c982905c8419fb4ce4a842c9d406770583f5a
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_118.mmd
@@ -0,0 +1,36 @@
+graph RL
+    N0([Heritage Impact Assessment])
+    N1(Archival Management)
+    N2([Artifact Conservation])
+    N3[Virtual Reality Recreations]
+    N4[Museum Collection Management]
+    N5[Crowdsourcing for Heritage Data]
+    N6(Heritage Site Management)
+    N7([3D Scanning of Artifacts])
+    N0 --> |curates| N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> |buildings_maintains| N4
+    N4 -.-> |interprets| N5
+    N5 --> |digitizes| N6
+    N6 -.-> N7
+    N6 --> |catalogs| N4
+    N4 --> |knowledge_transfers| N2
+    style N0 fill:#D1C4E9,stroke:#7E57C2
+    style N1 fill:#D1C4E9,stroke:#7E57C2
+    style N2 fill:#E4E0DF,stroke:#BDAFA8
+    style N3 fill:#F1F8E9,stroke:#388E3C
+    style N4 fill:#D1C4E9,stroke:#7E57C2
+    style N5 fill:#E4E0DF,stroke:#BDAFA8
+    style N6 fill:#E4E0DF,stroke:#BDAFA8
+    style N7 fill:#F1F8E9,stroke:#388E3C
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_118.txt b/test/mermaid/scanned_hard/mermaid_118.txt
new file mode 100644
index 0000000000000000000000000000000000000000..05b0d1605416a818660ac16b378aa17986c6596c
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_118.txt
@@ -0,0 +1,9 @@
+<Archival Management, connectedTo, Artifact Conservation>
+<Artifact Conservation, connectedTo, Virtual Reality Recreations>
+<Crowdsourcing for Heritage Data, digitizes, Heritage Site Management>
+<Heritage Impact Assessment, curates, Archival Management>
+<Heritage Site Management, catalogs, Museum Collection Management>
+<Heritage Site Management, connectedTo, 3D Scanning of Artifacts>
+<Museum Collection Management, interprets, Crowdsourcing for Heritage Data>
+<Museum Collection Management, knowledge_transfers, Artifact Conservation>
+<Virtual Reality Recreations, buildings_maintains, Museum Collection Management>
diff --git a/test/mermaid/scanned_hard/mermaid_119.mmd b/test/mermaid/scanned_hard/mermaid_119.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..bebff218a5a0095bb5762c7a6533174e4cd02f4f
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_119.mmd
@@ -0,0 +1,34 @@
+graph RL
+    N0([Public Engagement])
+    N1([DNA Synthesis])
+    N2(Artificial Cells)
+    N3[Modular Biology Design]
+    N4[Genetic Circuit Design]
+    N5[Biofoundry Operations]
+    N6[Computational Design of Biological Systems]
+    N7([High_Throughput Screening])
+    N0 --> |regulates| N1
+    N1 -.-> |data_processes| N2
+    N2 -.-> N3
+    N3 -.-> |modifies| N4
+    N4 -.-> |publishes| N5
+    N5 --> |models| N6
+    N6 --> N7
+    N0 --> N5
+    style N0 fill:#D1C4E9,stroke:#673AB7
+    style N1 fill:#FFECB3,stroke:#FFC107
+    style N2 fill:#FFECB3,stroke:#FFC107
+    style N3 fill:#FFECB3,stroke:#FFC107
+    style N4 fill:#FFECB3,stroke:#FFC107
+    style N5 fill:#FFECB3,stroke:#FFC107
+    style N6 fill:#FFECB3,stroke:#FFC107
+    style N7 fill:#D1C4E9,stroke:#673AB7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFA726,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_12.txt b/test/mermaid/scanned_hard/mermaid_12.txt
new file mode 100644
index 0000000000000000000000000000000000000000..407da6753b74aec11f8149bc82222e8cfd3206cd
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_12.txt
@@ -0,0 +1,8 @@
+<Activity Booking, assists, Feedback Collection>
+<Airport Transfer, discovers, Group Tour Coordination>
+<Feedback Collection, connectedTo, Airport Transfer>
+<Restaurant Reservation, recommends, Travel Advisory Updates>
+<Travel Advisory Updates, connectedTo, Group Tour Coordination>
+<Travel Advisory Updates, connectedTo, Travel Blog Creation>
+<Travel Blog Creation, markets, Activity Booking>
+<start, connectedTo, Restaurant Reservation>
diff --git a/test/mermaid/scanned_hard/mermaid_122.mmd b/test/mermaid/scanned_hard/mermaid_122.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1bcdfc284fc93869dbca3929c8f35d9a3f177e0a
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_122.mmd
@@ -0,0 +1,88 @@
+graph LR
+    N0([Flood Prediction])
+    N1(Climate Change Impact Study)
+    N2[(Severe Weather Warning)]
+    N3[Satellite Meteorology]
+    N4[Climate Data Archiving]
+    N5{Precipitation Measurement}
+    N6[[Cloud Observation]]
+    N7(Pollution Dispersion Modeling)
+    N8[[Agricultural Weather Advisory]]
+    N9[[Weather Forecasting]]
+    N10[/Meteorological Instrument Calibration/]
+    N11([Drought Monitoring])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Snowfall Measurement
+        nest0_0([Numerical Weather Prediction])
+        nest0_1[/Climate Modeling/]
+        nest0_2[(Hurricane Trajectory Modeling)]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> |alerts| N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> |transmits| N10
+    N10 -.-> N11
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    N8 --> |validates| nest0_0
+    nest0_2 -.-> |detects| N6
+    N5 -.-> S0
+    S0 -.-> N9
+    S0 -.-> N7
+    N1 --> S1
+    S1 -.-> N7
+    S1 -.-> |predicts| N9
+    N0 -.-> M0
+    N1 -.-> M0
+    M0 -.-> N3
+    style N0 fill:#C9EFEC,stroke:#6FE1D5
+    style N1 fill:#C9EFEC,stroke:#6FE1D5
+    style N2 fill:#C9EFEC,stroke:#6FE1D5
+    style N3 fill:#C9EFEC,stroke:#6FE1D5
+    style N4 fill:#EFEBE9,stroke:#A1887F
+    style N5 fill:#E0E6E9,stroke:#AABEC6
+    style N6 fill:#E0E6E9,stroke:#AABEC6
+    style N7 fill:#EFEBE9,stroke:#A1887F
+    style N8 fill:#C9EFEC,stroke:#6FE1D5
+    style N9 fill:#EFEBE9,stroke:#A1887F
+    style N10 fill:#EFEBE9,stroke:#A1887F
+    style N11 fill:#EFEBE9,stroke:#A1887F
+    style S0 fill:#EFEBE9,stroke:#A1887F
+    style S1 fill:#EFEBE9,stroke:#A1887F
+    style M0 fill:#E0E6E9,stroke:#AABEC6
+    style nest0_0 fill:#E0E6E9,stroke:#AABEC6
+    style nest0_1 fill:#E0E6E9,stroke:#AABEC6
+    style nest0_2 fill:#E0E6E9,stroke:#AABEC6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#6FE1D5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_123.mmd b/test/mermaid/scanned_hard/mermaid_123.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..21e86ef4e7771ae35be2b444fe941731211919f2
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_123.mmd
@@ -0,0 +1,57 @@
+graph TD
+    N0([start])
+    N1[[Hurricane Trajectory Modeling]]
+    N2(Nowcasting)
+    N3(Seasonal Outlook Preparation)
+    N4[Aviation Weather Briefing]
+    N5[(Arctic Weather Research)]
+    N6([end])
+    S0(( ))
+    M0(( ))
+    subgraph Pollution Dispersion Modeling
+        nest0_0[Snowfall Measurement]
+        nest0_1([Cloud Observation])
+        nest0_2[[Temperature Monitoring]]
+        nest0_3(Severe Weather Warning)
+    end
+    N0 -.-> N1
+    N1 --> |yes| N2
+    N2 --> |no| N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 --> nest0_3
+    N2 --> nest0_0
+    nest0_3 -.-> |yes| N1
+    N0 --> S0
+    S0 --> N4
+    S0 -.-> N5
+    S0 -.-> |yes| N6
+    N2 --> |yes| M0
+    N1 --> M0
+    N0 --> |yes| M0
+    M0 --> N4
+    style S0 fill:#E9F7E8,stroke:#6EB76D
+    style M0 fill:#F9FBE7,stroke:#DCE775
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#DCE775,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_124.mmd b/test/mermaid/scanned_hard/mermaid_124.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..9badb037252d637da385a681324904f317d73ecc
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_124.mmd
@@ -0,0 +1,53 @@
+graph RL
+    N0([start])
+    N1[Illegal Dumping Monitoring]
+    N2[Industrial Waste Management]
+    N3[(Closed_Loop Systems)]
+    N4([Public Education on Waste])
+    N5[(Waste Reduction Planning)]
+    N6{Container Management}
+    N7{Construction and Demolition Waste Management}
+    N8[(Anaerobic Digestion)]
+    N9[[Waste Management Policy Development]]
+    N10([end])
+    S0(( ))
+    subgraph Smart Waste Bins
+        nest0_0([Community Recycling Programs])
+        nest0_1[[Landfill Gas Collection]]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> |yes| N3
+    N3 -.-> |no| N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> |yes| N7
+    N7 --> N8
+    N8 --> |yes| N9
+    N9 -.-> N10
+    nest0_0 --> nest0_1
+    N6 -.-> nest0_0
+    nest0_1 --> N9
+    N7 --> S0
+    S0 --> N9
+    S0 -.-> N10
+    N4 --> nest0_1
+    style S0 fill:#BBDEFB,stroke:#2196F3
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#CDDC39,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_125.txt b/test/mermaid/scanned_hard/mermaid_125.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2be6d3143d49d711a803e9c5bae9ed84d45abe40
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_125.txt
@@ -0,0 +1,25 @@
+<Anaerobic Digestion, connectedTo, Organics Collection>
+<Anaerobic Digestion, partOf, Illegal Dumping Monitoring>
+<Biomedical Waste Handling, connectedTo, Waste Incineration>
+<Biomedical Waste Handling, connectedTo, Waste Sorting>
+<Biomedical Waste Handling, connectedTo, Zero Waste Initiatives>
+<Circular Economy Initiatives, connectedTo, end>
+<Glass Recycling, connectedTo, Anaerobic Digestion>
+<Glass Recycling, partOf, Illegal Dumping Monitoring>
+<Organics Collection, optimizes, Waste Management Data Analytics>
+<Organics Collection, partOf, Illegal Dumping Monitoring>
+<Plastic Recycling Technologies, connectedTo, Waste Collection>
+<Recycling Processing, tracks, Waste Logistics Optimization>
+<Transfer Station Management, extracts, Zero Waste Initiatives>
+<Transfer Station Management, innovates, Waste Incineration>
+<Waste Collection, connectedTo, Circular Economy Initiatives>
+<Waste Incineration, connectedTo, Glass Recycling>
+<Waste Incineration, reclaims, Recycling Processing>
+<Waste Logistics Optimization, connectedTo, Waste Reduction Planning>
+<Waste Management Data Analytics, connectedTo, Waste Collection>
+<Waste Management Data Analytics, connectedTo, Waste Incineration>
+<Waste Management Data Analytics, separates, Circular Economy Initiatives>
+<Waste Reduction Planning, connectedTo, Plastic Recycling Technologies>
+<Waste Sorting, connectedTo, Zero Waste Initiatives>
+<Waste Sorting, disposes, Transfer Station Management>
+<Zero Waste Initiatives, reuses, Waste Management Data Analytics>
diff --git a/test/mermaid/scanned_hard/mermaid_126.mmd b/test/mermaid/scanned_hard/mermaid_126.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c3b84b6c6cbf314c7bd08bd867766e0adfc012d9
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_126.mmd
@@ -0,0 +1,72 @@
+graph RL
+    N0([start])
+    N1(Waste Management Policy Development)
+    N2[Leachate Treatment]
+    N3(Smart Waste Bins)
+    N4[(Waste Sorting)]
+    N5[Waste Compaction]
+    N6(Anaerobic Digestion)
+    N7[Illegal Dumping Monitoring]
+    N8[/Public Education on Waste/]
+    N9([Zero Waste Initiatives])
+    S0(( ))
+    subgraph Container Management
+        nest0_0([Recycling Processing])
+        nest0_1[[Paper Recycling]]
+        nest0_2[[Waste Incineration]]
+        nest0_3[/Landfill Gas Collection/]
+    end
+    N0 -.-> |designs| N1
+    N1 --> N2
+    N2 -.-> |grades| N3
+    N3 -.-> N4
+    N4 --> |measures| N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> N9
+    nest0_0 --> |monitors| nest0_1
+    nest0_1 -.-> |controls| nest0_2
+    nest0_2 -.-> |incinerates| nest0_3
+    N2 -.-> nest0_0
+    nest0_3 --> N4
+    N1 --> S0
+    S0 -.-> N4
+    S0 --> N8
+    S0 --> N6
+    nest0_2 --> N5
+    style N0 fill:#FFF9D4,stroke:#FFE69C
+    style N1 fill:#F1F8E9,stroke:#81C784
+    style N2 fill:#F1F8E9,stroke:#81C784
+    style N3 fill:#FFF9D4,stroke:#FFE69C
+    style N4 fill:#FFF9D4,stroke:#FFE69C
+    style N5 fill:#FFF9D4,stroke:#FFE69C
+    style N6 fill:#EDE7F6,stroke:#7E57C2
+    style N7 fill:#FFF9D4,stroke:#FFE69C
+    style N8 fill:#F1F8E9,stroke:#81C784
+    style N9 fill:#F1F8E9,stroke:#81C784
+    style S0 fill:#FFF9D4,stroke:#FFE69C
+    style nest0_0 fill:#FFF9D4,stroke:#FFE69C
+    style nest0_1 fill:#F1F8E9,stroke:#81C784
+    style nest0_2 fill:#F1F8E9,stroke:#81C784
+    style nest0_3 fill:#EDE7F6,stroke:#7E57C2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#81C784,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_127.txt b/test/mermaid/scanned_hard/mermaid_127.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7d9e29aa63a9a981db3c2dd1c7d5c123ed9e5574
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_127.txt
@@ -0,0 +1,25 @@
+<Aquifer Recharge, connectedTo, Water Meter Reading>
+<Billing and Revenue Management, connectedTo, end>
+<Dam Management, connectedTo, Sewer System Inspection>
+<Desalination, connectedTo, Aquifer Recharge>
+<Hydrological Modeling, connectedTo, Billing and Revenue Management>
+<Industrial Water Use Optimization, connectedTo, Hydrological Modeling>
+<Industrial Water Use Optimization, no, Dam Management>
+<Industrial Water Use Optimization, no, end>
+<Industrial Water Use Optimization, yes, Wastewater Collection>
+<Sewer System Inspection, connectedTo, Water Distribution>
+<Stormwater Management, no, Desalination>
+<Wastewater Collection, connectedTo, Dam Management>
+<Water Conservation Planning, connectedTo, Stormwater Management>
+<Water Conservation Planning, no, Water Treatment>
+<Water Distribution, connectedTo, Hydrological Modeling>
+<Water Distribution, no, Water Loss Detection>
+<Water Loss Detection, connectedTo, Water Resource Planning>
+<Water Loss Detection, partOf, Wastewater Treatment>
+<Water Meter Reading, yes, Water Scarcity Mitigation>
+<Water Resource Planning, connectedTo, Aquifer Recharge>
+<Water Resource Planning, partOf, Wastewater Treatment>
+<Water Scarcity Mitigation, connectedTo, Industrial Water Use Optimization>
+<Water Treatment, connectedTo, Stormwater Management>
+<start, connectedTo, Stormwater Management>
+<start, yes, Water Conservation Planning>
diff --git a/test/mermaid/scanned_hard/mermaid_128.txt b/test/mermaid/scanned_hard/mermaid_128.txt
new file mode 100644
index 0000000000000000000000000000000000000000..62264aea94bc298d9496ea768d90c1bf7941f375
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_128.txt
@@ -0,0 +1,18 @@
+<Dam Management, connectedTo, Drinking Water Standards Compliance>
+<Dam Management, detects, Wastewater Collection>
+<Drinking Water Standards Compliance, connectedTo, Sewer System Inspection>
+<Drought Management, connectedTo, Dam Management>
+<Drought Management, connectedTo, Drinking Water Standards Compliance>
+<Drought Management, connectedTo, Sewer System Inspection>
+<Piping Network Repair, analyzes, Water Rights Management>
+<Piping Network Repair, partOf, Groundwater Management>
+<Sewer System Inspection, connectedTo, Hydrological Modeling>
+<Sewer System Inspection, connectedTo, Water Infrastructure Maintenance>
+<Wastewater Collection, connectedTo, Piping Network Repair>
+<Wastewater Collection, partOf, Groundwater Management>
+<Water Distribution, connectedTo, Sewer System Inspection>
+<Water Distribution, connectedTo, Water Rights Management>
+<Water Distribution, partOf, Groundwater Management>
+<Water Infrastructure Maintenance, recycles, Hydrological Modeling>
+<Water Rights Management, constructs, Water Distribution>
+<Water Rights Management, partOf, Groundwater Management>
diff --git a/test/mermaid/scanned_hard/mermaid_13.mmd b/test/mermaid/scanned_hard/mermaid_13.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..2f8e520da77c3668d3d4b168e0b2e97033403213
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_13.mmd
@@ -0,0 +1,35 @@
+graph TD
+    N0([start])
+    N1[(Property Management)]
+    N2{Buyer Inquiry}
+    N3{Tenant Screening}
+    N4([Property Tax Payment])
+    N5(Offer Submission)
+    N6[Property Insurance]
+    N7(Closing Meeting)
+    N8[/Site Visit Scheduling/]
+    N9(Zoning Compliance)
+    N10([end])
+    N0 --> N1
+    N1 -.-> |yes| N2
+    N2 -.-> N3
+    N3 -.-> |no| N4
+    N4 --> N5
+    N5 -.-> |no| N6
+    N6 --> |yes| N7
+    N7 --> |no| N8
+    N8 -.-> N9
+    N9 --> |no| N10
+    N8 -.-> |yes| N7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_13.txt b/test/mermaid/scanned_hard/mermaid_13.txt
new file mode 100644
index 0000000000000000000000000000000000000000..84b0feea320f457952c3a88cd05ad5289602a932
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_13.txt
@@ -0,0 +1,11 @@
+<Buyer Inquiry, connectedTo, Tenant Screening>
+<Closing Meeting, no, Site Visit Scheduling>
+<Offer Submission, no, Property Insurance>
+<Property Insurance, yes, Closing Meeting>
+<Property Management, yes, Buyer Inquiry>
+<Property Tax Payment, connectedTo, Offer Submission>
+<Site Visit Scheduling, connectedTo, Zoning Compliance>
+<Site Visit Scheduling, yes, Closing Meeting>
+<Tenant Screening, no, Property Tax Payment>
+<Zoning Compliance, no, end>
+<start, connectedTo, Property Management>
diff --git a/test/mermaid/scanned_hard/mermaid_130.txt b/test/mermaid/scanned_hard/mermaid_130.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4221f15e347e8a37f63ecd50424a5bc7007bd1e0
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_130.txt
@@ -0,0 +1,21 @@
+<Closed_Loop Material Flow, connectedTo, Material Purity Testing>
+<Closed_Loop Material Flow, connectedTo, Plastic Recycling>
+<Closed_Loop Material Flow, connectedTo, Recycling Policy Advocacy>
+<Closed_Loop Material Flow, promotes, Industrial Recycling Programs>
+<Closed_Loop Material Flow, segregates, Plastic Recycling>
+<Contamination Reduction, connectedTo, Electronic Waste Recycling>
+<Contamination Reduction, supports, Plastic Recycling>
+<Electronic Waste Recycling, transports, Paper Recycling>
+<Industrial Recycling Programs, connectedTo, Recycling Policy Advocacy>
+<Material Collection, connectedTo, Contamination Reduction>
+<Material Purity Testing, partners, Plastic Recycling>
+<New Product Manufacturing, connectedTo, Recycling Data Tracking>
+<New Product Manufacturing, partOf, Glass Recycling>
+<Paper Recycling, connectedTo, Closed_Loop Material Flow>
+<Paper Recycling, connectedTo, New Product Manufacturing>
+<Paper Recycling, verifies, Plastic Recycling>
+<Plastic Recycling, connectedTo, Industrial Recycling Programs>
+<Recycling Data Tracking, connectedTo, Closed_Loop Material Flow>
+<Recycling Data Tracking, partOf, Glass Recycling>
+<Sorting and Segregation, connectedTo, Material Collection>
+<start, connectedTo, Sorting and Segregation>
diff --git a/test/mermaid/scanned_hard/mermaid_131.mmd b/test/mermaid/scanned_hard/mermaid_131.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ccff08d981a444cbac7416f469827a41e8667284
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_131.mmd
@@ -0,0 +1,70 @@
+graph TD
+    N0([Circular Economy Implementation])
+    N1[Life Cycle Assessment]
+    N2(Advanced Sorting Technologies)
+    N3[Material Collection]
+    N4[(Chemical Recycling)]
+    N5([Electronic Waste Recycling])
+    N6[Public Recycling Programs]
+    N7[Mechanical Recycling]
+    N8[Recycling Infrastructure Development]
+    N9[(Recycling Education)]
+    N10([end])
+    S0(( ))
+    subgraph Recycling Data Tracking
+        nest0_0[[Reprocessing into Raw Material]]
+        nest0_1([Closed_Loop Material Flow])
+        nest0_2[New Product Manufacturing]
+    end
+    N0 --> |grades| N1
+    N1 -.-> |minimizes| N2
+    N2 --> |educates| N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> |compacts| N9
+    N9 -.-> |reprocesses| N10
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> |partners| nest0_2
+    N2 -.-> nest0_0
+    nest0_2 -.-> N5
+    N1 -.-> S0
+    S0 -.-> N5
+    S0 -.-> N10
+    N10 -.-> N9
+    style N0 fill:#F5F5F5,stroke:#BDBDBD
+    style N1 fill:#CFD8DC,stroke:#607D8B
+    style N2 fill:#F5F5F5,stroke:#BDBDBD
+    style N3 fill:#F5F5F5,stroke:#BDBDBD
+    style N4 fill:#CFD8DC,stroke:#607D8B
+    style N5 fill:#F5F5F5,stroke:#BDBDBD
+    style N6 fill:#CFD8DC,stroke:#607D8B
+    style N7 fill:#F5F5F5,stroke:#BDBDBD
+    style N8 fill:#F5F5F5,stroke:#BDBDBD
+    style N9 fill:#F5F5F5,stroke:#BDBDBD
+    style N10 fill:#ECF0FD,stroke:#B8C0F5
+    style S0 fill:#F5F5F5,stroke:#BDBDBD
+    style nest0_0 fill:#ECF0FD,stroke:#B8C0F5
+    style nest0_1 fill:#F5F5F5,stroke:#BDBDBD
+    style nest0_2 fill:#F5F5F5,stroke:#BDBDBD
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#607D8B,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_131.txt b/test/mermaid/scanned_hard/mermaid_131.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5e477dc4bb00a624496eba18adedba2b97c560f5
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_131.txt
@@ -0,0 +1,20 @@
+<Advanced Sorting Technologies, connectedTo, Reprocessing into Raw Material>
+<Advanced Sorting Technologies, educates, Material Collection>
+<Chemical Recycling, connectedTo, Electronic Waste Recycling>
+<Circular Economy Implementation, grades, Life Cycle Assessment>
+<Closed_Loop Material Flow, partOf, Recycling Data Tracking>
+<Closed_Loop Material Flow, partners, New Product Manufacturing>
+<Electronic Waste Recycling, connectedTo, Public Recycling Programs>
+<Life Cycle Assessment, connectedTo, Electronic Waste Recycling>
+<Life Cycle Assessment, connectedTo, end>
+<Life Cycle Assessment, minimizes, Advanced Sorting Technologies>
+<Material Collection, connectedTo, Chemical Recycling>
+<Mechanical Recycling, connectedTo, Recycling Infrastructure Development>
+<New Product Manufacturing, connectedTo, Electronic Waste Recycling>
+<New Product Manufacturing, partOf, Recycling Data Tracking>
+<Public Recycling Programs, connectedTo, Mechanical Recycling>
+<Recycling Education, reprocesses, end>
+<Recycling Infrastructure Development, compacts, Recycling Education>
+<Reprocessing into Raw Material, connectedTo, Closed_Loop Material Flow>
+<Reprocessing into Raw Material, partOf, Recycling Data Tracking>
+<end, connectedTo, Recycling Education>
diff --git a/test/mermaid/scanned_hard/mermaid_132.txt b/test/mermaid/scanned_hard/mermaid_132.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8c7c2bdc18915f3b032bd1297908341c570c7c2d
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_132.txt
@@ -0,0 +1,22 @@
+<Cleaning and Processing, partOf, Electronic Waste Recycling>
+<Cleaning and Processing, shreds, Life Cycle Assessment>
+<Collection Point Management, connectedTo, Recycling Education>
+<Collection Point Management, innovates, Glass Recycling>
+<Commercial Recycling Solutions, connectedTo, Contamination Reduction>
+<Construction Waste Recycling, connectedTo, Commercial Recycling Solutions>
+<Construction Waste Recycling, connectedTo, Glass Recycling>
+<Construction Waste Recycling, manufactures, Contamination Reduction>
+<Contamination Reduction, connectedTo, Glass Recycling>
+<Glass Recycling, connectedTo, Cleaning and Processing>
+<Glass Recycling, reports, Waste Stream Analysis>
+<Hazardous Material Recovery, connectedTo, New Product Manufacturing>
+<Life Cycle Assessment, connectedTo, Waste Audit for Recycling>
+<Life Cycle Assessment, partOf, Electronic Waste Recycling>
+<New Product Manufacturing, grades, Waste Audit for Recycling>
+<Recycling Data Tracking, complies, Recycling Infrastructure Development>
+<Recycling Education, connectedTo, Construction Waste Recycling>
+<Recycling Education, connectedTo, Glass Recycling>
+<Recycling Infrastructure Development, connectedTo, Glass Recycling>
+<Recycling Infrastructure Development, tests, Hazardous Material Recovery>
+<Reprocessing into Raw Material, connectedTo, Collection Point Management>
+<Waste Audit for Recycling, connectedTo, Reprocessing into Raw Material>
diff --git a/test/mermaid/scanned_hard/mermaid_134.mmd b/test/mermaid/scanned_hard/mermaid_134.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..3a595627855dfefea5880538baf4f287ccc040fb
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_134.mmd
@@ -0,0 +1,84 @@
+graph LR
+    N0([start])
+    N1[Wood Product Manufacturing]
+    N2[/Afforestation/]
+    N3[Non_Timber Forest Product Collection]
+    N4(Illegal Logging Prevention)
+    N5[Forest Health Monitoring]
+    N6(Watershed Protection)
+    N7(Erosion Control)
+    N8([Sustainable Forest Management])
+    N9(Tree Planting)
+    N10[Drone Surveying for Forests]
+    N11([end])
+    S0(( ))
+    M0(( ))
+    subgraph Carbon Sequestration Monitoring
+        nest0_0{Tree Nursery Management}
+        nest0_1{Forest Land Use Planning}
+        nest0_2[Logging Operations]
+        nest0_3[/Forestry Policy Development/]
+    end
+    N0 -.-> N1
+    N1 --> |treats| N2
+    N2 -.-> |processes| N3
+    N3 --> |plans| N4
+    N4 --> N5
+    N5 --> |prevents| N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> |sustains| N11
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N9 -.-> |controls| nest0_0
+    nest0_3 -.-> N1
+    N0 -.-> S0
+    S0 --> N2
+    S0 -.-> N7
+    N2 -.-> |constructs| M0
+    N5 -.-> |certifies| M0
+    M0 --> N7
+    style N0 fill:#BBDEFB,stroke:#2196F3
+    style N1 fill:#F5F5F5,stroke:#BDBDBD
+    style N2 fill:#F5F5F5,stroke:#BDBDBD
+    style N3 fill:#BBDEFB,stroke:#2196F3
+    style N4 fill:#BBDEFB,stroke:#2196F3
+    style N5 fill:#EDF5F3,stroke:#A1D7CD
+    style N6 fill:#BBDEFB,stroke:#2196F3
+    style N7 fill:#EDF5F3,stroke:#A1D7CD
+    style N8 fill:#EDF5F3,stroke:#A1D7CD
+    style N9 fill:#BBDEFB,stroke:#2196F3
+    style N10 fill:#BBDEFB,stroke:#2196F3
+    style N11 fill:#EDF5F3,stroke:#A1D7CD
+    style S0 fill:#BBDEFB,stroke:#2196F3
+    style M0 fill:#BBDEFB,stroke:#2196F3
+    style nest0_0 fill:#F5F5F5,stroke:#BDBDBD
+    style nest0_1 fill:#EDF5F3,stroke:#A1D7CD
+    style nest0_2 fill:#EDF5F3,stroke:#A1D7CD
+    style nest0_3 fill:#F5F5F5,stroke:#BDBDBD
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#A1D7CD,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_135.mmd b/test/mermaid/scanned_hard/mermaid_135.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..4e49f7540948c28db77c4b78939131cc2937ad97
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_135.mmd
@@ -0,0 +1,64 @@
+graph RL
+    N0([Drone Surveying for Forests])
+    N1[(Forest Research)]
+    N2([Ecological Restoration])
+    N3[[Timber Harvesting]]
+    N4([Tree Planting])
+    N5[Sawmill Processing]
+    N6([Urban Forestry Management])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Pest and Disease Control
+        nest0_0[(Forest Health Monitoring)]
+        nest0_1[(Climate Change Adaptation in Forests)]
+    end
+    N0 --> |treats| N1
+    N1 -.-> N2
+    N2 -.-> |thins| N3
+    N3 --> |develops| N4
+    N4 -.-> |removes| N5
+    N5 --> |processes| N6
+    nest0_0 --> nest0_1
+    N5 --> nest0_0
+    nest0_1 -.-> N2
+    N3 --> S0
+    S0 -.-> N5
+    S0 -.-> N6
+    N0 --> S1
+    S1 -.-> N6
+    S1 -.-> N2
+    N3 -.-> M0
+    N1 --> |analyzes| M0
+    M0 --> N5
+    style N0 fill:#D7CCC8,stroke:#795548
+    style N1 fill:#D7CCC8,stroke:#795548
+    style N2 fill:#FFF3E0,stroke:#FFB74D
+    style N3 fill:#FFF3E0,stroke:#FFB74D
+    style N4 fill:#D7CCC8,stroke:#795548
+    style N5 fill:#FFF3E0,stroke:#FFB74D
+    style N6 fill:#FFF3E0,stroke:#FFB74D
+    style S0 fill:#D7CCC8,stroke:#795548
+    style S1 fill:#D7CCC8,stroke:#795548
+    style M0 fill:#FFF3E0,stroke:#FFB74D
+    style nest0_0 fill:#FFF3E0,stroke:#FFB74D
+    style nest0_1 fill:#D7CCC8,stroke:#795548
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#F06292,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_135.txt b/test/mermaid/scanned_hard/mermaid_135.txt
new file mode 100644
index 0000000000000000000000000000000000000000..aa4b57d2245f894dc11b3a4660a9bf8f9f05eed7
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_135.txt
@@ -0,0 +1,16 @@
+<Climate Change Adaptation in Forests, connectedTo, Ecological Restoration>
+<Climate Change Adaptation in Forests, partOf, Pest and Disease Control>
+<Drone Surveying for Forests, connectedTo, Ecological Restoration>
+<Drone Surveying for Forests, connectedTo, Urban Forestry Management>
+<Drone Surveying for Forests, treats, Forest Research>
+<Ecological Restoration, thins, Timber Harvesting>
+<Forest Health Monitoring, connectedTo, Climate Change Adaptation in Forests>
+<Forest Health Monitoring, partOf, Pest and Disease Control>
+<Forest Research, analyzes, Sawmill Processing>
+<Forest Research, connectedTo, Ecological Restoration>
+<Sawmill Processing, connectedTo, Forest Health Monitoring>
+<Sawmill Processing, processes, Urban Forestry Management>
+<Timber Harvesting, connectedTo, Sawmill Processing>
+<Timber Harvesting, connectedTo, Urban Forestry Management>
+<Timber Harvesting, develops, Tree Planting>
+<Tree Planting, removes, Sawmill Processing>
diff --git a/test/mermaid/scanned_hard/mermaid_136.mmd b/test/mermaid/scanned_hard/mermaid_136.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ea207813523bdcdae93e13343be297a02a204ae2
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_136.mmd
@@ -0,0 +1,80 @@
+graph TD
+    N0([Dental Care])
+    N1[Pet Check_up]
+    N2[[Toxicology Testing]]
+    N3([Post_operative Care])
+    N4(Medical Record Keeping)
+    N5{Hospice Care for Animals}
+    N6[/Spay or Neuter Procedure/]
+    N7[/Laboratory Testing/]
+    N8[Microchipping]
+    N9([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Pharmacy Management
+        nest0_0[Behavioral Counseling]
+        nest0_1[Vaccination]
+        nest0_2[[Euthanasia Services]]
+    end
+    N0 -.-> |educates| N1
+    N1 -.-> |vaccinates| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> |examines| N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    N7 --> nest0_0
+    nest0_2 --> N5
+    N1 -.-> S0
+    S0 -.-> N9
+    S0 -.-> |manages| N5
+    N3 --> S1
+    S1 --> N9
+    S1 --> |medicates| N8
+    N4 --> M0
+    N3 -.-> M0
+    M0 --> N6
+    style N0 fill:#FAEBF3,stroke:#F7BEE0
+    style N1 fill:#E3F2FD,stroke:#64B5F6
+    style N2 fill:#FAEBF3,stroke:#F7BEE0
+    style N3 fill:#F0F4C3,stroke:#AED581
+    style N4 fill:#E3F2FD,stroke:#64B5F6
+    style N5 fill:#F0F4C3,stroke:#AED581
+    style N6 fill:#E3F2FD,stroke:#64B5F6
+    style N7 fill:#F0F4C3,stroke:#AED581
+    style N8 fill:#FAEBF3,stroke:#F7BEE0
+    style N9 fill:#FAEBF3,stroke:#F7BEE0
+    style S0 fill:#E3F2FD,stroke:#64B5F6
+    style S1 fill:#E3F2FD,stroke:#64B5F6
+    style M0 fill:#E3F2FD,stroke:#64B5F6
+    style nest0_0 fill:#F0F4C3,stroke:#AED581
+    style nest0_1 fill:#F0F4C3,stroke:#AED581
+    style nest0_2 fill:#E3F2FD,stroke:#64B5F6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#64B5F6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_136.txt b/test/mermaid/scanned_hard/mermaid_136.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a9ab575f2763749cdc50af6842a064adf388e8df
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_136.txt
@@ -0,0 +1,22 @@
+<Behavioral Counseling, connectedTo, Vaccination>
+<Behavioral Counseling, partOf, Pharmacy Management>
+<Dental Care, educates, Pet Check_up>
+<Euthanasia Services, connectedTo, Hospice Care for Animals>
+<Euthanasia Services, partOf, Pharmacy Management>
+<Hospice Care for Animals, connectedTo, Spay or Neuter Procedure>
+<Laboratory Testing, connectedTo, Behavioral Counseling>
+<Laboratory Testing, connectedTo, Microchipping>
+<Medical Record Keeping, connectedTo, Spay or Neuter Procedure>
+<Medical Record Keeping, examines, Hospice Care for Animals>
+<Microchipping, connectedTo, end>
+<Pet Check_up, connectedTo, end>
+<Pet Check_up, manages, Hospice Care for Animals>
+<Pet Check_up, vaccinates, Toxicology Testing>
+<Post_operative Care, connectedTo, Medical Record Keeping>
+<Post_operative Care, connectedTo, Spay or Neuter Procedure>
+<Post_operative Care, connectedTo, end>
+<Post_operative Care, medicates, Microchipping>
+<Spay or Neuter Procedure, connectedTo, Laboratory Testing>
+<Toxicology Testing, connectedTo, Post_operative Care>
+<Vaccination, connectedTo, Euthanasia Services>
+<Vaccination, partOf, Pharmacy Management>
diff --git a/test/mermaid/scanned_hard/mermaid_137.txt b/test/mermaid/scanned_hard/mermaid_137.txt
new file mode 100644
index 0000000000000000000000000000000000000000..108de5152b241c32d33d850250b86c685f33e909
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_137.txt
@@ -0,0 +1,25 @@
+<Allergy Testing, monitors, Medical Treatment>
+<Allergy Testing, partOf, Livestock Disease Prevention>
+<Animal Welfare Assessment, connectedTo, Pre_surgical Assessment>
+<Biosecurity Measures, connectedTo, Veterinary Technology Training>
+<Client Communication, connectedTo, Hospice Care for Animals>
+<Client Communication, partOf, Livestock Disease Prevention>
+<Equine Care, connectedTo, Sterilization Protocols>
+<Farm Animal Health Management, connectedTo, Allergy Testing>
+<Farm Animal Health Management, connectedTo, end>
+<Herd Health Programs, consults, Sterilization Protocols>
+<Herd Health Programs, recommends, Hospice Care for Animals>
+<Herd Health Programs, vaccinates, Animal Welfare Assessment>
+<Hospice Care for Animals, connectedTo, Animal Welfare Assessment>
+<Medical Treatment, connectedTo, Client Communication>
+<Medical Treatment, partOf, Livestock Disease Prevention>
+<Nutritional Counseling, connectedTo, Farm Animal Health Management>
+<Parasite Control, connectedTo, Animal Welfare Assessment>
+<Parasite Control, rescues, Herd Health Programs>
+<Post_operative Care, connectedTo, Nutritional Counseling>
+<Pre_surgical Assessment, connectedTo, Equine Care>
+<Pre_surgical Assessment, connectedTo, Sterilization Protocols>
+<Sterilization Protocols, connectedTo, Biosecurity Measures>
+<Sterilization Protocols, connectedTo, Nutritional Counseling>
+<Sterilization Protocols, connectedTo, Post_operative Care>
+<Veterinary Technology Training, inspects, Post_operative Care>
diff --git a/test/mermaid/scanned_hard/mermaid_139.txt b/test/mermaid/scanned_hard/mermaid_139.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0cc51643b8d0fb5bc25a3dd354add307cfa6847f
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_139.txt
@@ -0,0 +1,19 @@
+<Child Protection Policies, connectedTo, Nutritional Meal Preparation>
+<Child Protection Policies, connectedTo, Outdoor Play Supervision>
+<Childcare Facility Licensing, no, end>
+<Diaper Changing, partOf, Parent_Teacher Conferences>
+<Diaper Changing, yes, end>
+<Early Literacy Programs, no, Potty Training Assistance>
+<Nutritional Meal Preparation, connectedTo, Outdoor Exploration>
+<Nutritional Meal Preparation, partOf, Parent_Teacher Conferences>
+<Outdoor Exploration, connectedTo, Story Time Reading>
+<Outdoor Exploration, partOf, Parent_Teacher Conferences>
+<Outdoor Play Supervision, connectedTo, Early Literacy Programs>
+<Playground Safety Inspection, connectedTo, Early Literacy Programs>
+<Playground Safety Inspection, connectedTo, end>
+<Playground Safety Inspection, yes, Child Protection Policies>
+<Potty Training Assistance, yes, Childcare Facility Licensing>
+<Story Time Reading, connectedTo, Diaper Changing>
+<Story Time Reading, partOf, Parent_Teacher Conferences>
+<start, connectedTo, Early Literacy Programs>
+<start, yes, Playground Safety Inspection>
diff --git a/test/mermaid/scanned_hard/mermaid_14.mmd b/test/mermaid/scanned_hard/mermaid_14.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..7d02155d431cfb61adc98ac5dced561a11e6db34
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_14.mmd
@@ -0,0 +1,42 @@
+graph LR
+    N0([start])
+    N1[Evacuation Planning]
+    N2[[Incident Reporting]]
+    N3[Search and Rescue Operations]
+    N4([Post_Incident Review])
+    N5[[Crowd Management]]
+    N6(Crime Scene Analysis)
+    N7(SWAT Team Activation)
+    N8[/Hostage Negotiation/]
+    N9([Public Warning])
+    N0 --> |enforces| N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> |equips| N7
+    N7 --> |assesses| N8
+    N8 --> N9
+    N7 --> |licenses| N9
+    style N0 fill:#C8EDFF,stroke:#82DAFF
+    style N1 fill:#C8EDFF,stroke:#82DAFF
+    style N2 fill:#C8EDFF,stroke:#82DAFF
+    style N3 fill:#ECCFF5,stroke:#CD8FF2
+    style N4 fill:#D0E0F8,stroke:#4285F4
+    style N5 fill:#C8EDFF,stroke:#82DAFF
+    style N6 fill:#D0E0F8,stroke:#4285F4
+    style N7 fill:#D0E0F8,stroke:#4285F4
+    style N8 fill:#C8EDFF,stroke:#82DAFF
+    style N9 fill:#ECCFF5,stroke:#CD8FF2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_14.txt b/test/mermaid/scanned_hard/mermaid_14.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c60d1a56a0126e98a4f5686c8703b130c8315831
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_14.txt
@@ -0,0 +1,10 @@
+<Crime Scene Analysis, equips, SWAT Team Activation>
+<Crowd Management, connectedTo, Crime Scene Analysis>
+<Evacuation Planning, connectedTo, Incident Reporting>
+<Hostage Negotiation, connectedTo, Public Warning>
+<Incident Reporting, connectedTo, Search and Rescue Operations>
+<Post_Incident Review, connectedTo, Crowd Management>
+<SWAT Team Activation, assesses, Hostage Negotiation>
+<SWAT Team Activation, licenses, Public Warning>
+<Search and Rescue Operations, connectedTo, Post_Incident Review>
+<start, enforces, Evacuation Planning>
diff --git a/test/mermaid/scanned_hard/mermaid_140.txt b/test/mermaid/scanned_hard/mermaid_140.txt
new file mode 100644
index 0000000000000000000000000000000000000000..41e450616396d41a4a8e85a4482c3cdafcc0f85d
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_140.txt
@@ -0,0 +1,27 @@
+<After_School Programs, no, Daily Activity Reporting>
+<After_School Programs, partOf, Music and Movement Activities>
+<Behavior Management, no, After_School Programs>
+<Behavior Management, partOf, Music and Movement Activities>
+<Daily Activity Reporting, connectedTo, Nutritional Meal Preparation>
+<Daily Activity Reporting, partOf, Music and Movement Activities>
+<Diaper Changing, yes, Early Literacy Programs>
+<Early Literacy Programs, connectedTo, Emergency Evacuation Drills>
+<Early Literacy Programs, connectedTo, Emotional Support>
+<Early Literacy Programs, connectedTo, Hygiene Practices>
+<Early Literacy Programs, connectedTo, end>
+<Early Literacy Programs, yes, Infant Care>
+<Early Literacy Programs, yes, end>
+<Emergency Evacuation Drills, connectedTo, Infant Care>
+<Emotional Support, connectedTo, end>
+<First Aid Administration, connectedTo, Group Activities Coordination>
+<First Aid Administration, connectedTo, Infant Care>
+<Group Activities Coordination, connectedTo, Parent_Teacher Conferences>
+<Hygiene Practices, connectedTo, Emotional Support>
+<Infant Care, no, Hygiene Practices>
+<Nutritional Meal Preparation, connectedTo, Infant Care>
+<Nutritional Meal Preparation, connectedTo, Playground Safety Inspection>
+<Parent_Teacher Conferences, connectedTo, Diaper Changing>
+<Playground Safety Inspection, connectedTo, Behavior Management>
+<Playground Safety Inspection, connectedTo, First Aid Administration>
+<start, connectedTo, Infant Care>
+<start, connectedTo, Nutritional Meal Preparation>
diff --git a/test/mermaid/scanned_hard/mermaid_141.txt b/test/mermaid/scanned_hard/mermaid_141.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dab02581f77bac3c8f894bf8aa21ce645bc8437d
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_141.txt
@@ -0,0 +1,23 @@
+<Creative Arts Activities, connectedTo, Teacher_Child Ratio Management>
+<Creative Arts Activities, teaches, Outdoor Play Supervision>
+<Diaper Changing, documents, Infant Care>
+<Emergency Evacuation Drills, connectedTo, Safety Supervision>
+<Emergency Evacuation Drills, partOf, Outdoor Exploration>
+<Emotional Support, plans, Diaper Changing>
+<Emotional Support, supports, Learning Material Selection>
+<Field Trip Organization, connectedTo, Motor Skill Development>
+<Hygiene Practices, connectedTo, Emotional Support>
+<Infant Care, connectedTo, Emergency Evacuation Drills>
+<Infant Care, maintains, Staff Training and Certification>
+<Learning Material Selection, connectedTo, Creative Arts Activities>
+<Learning Material Selection, connectedTo, Outdoor Play Supervision>
+<Learning Material Selection, connectedTo, Teacher_Child Ratio Management>
+<Motor Skill Development, engages, Learning Material Selection>
+<Outdoor Play Supervision, licenses, Teacher_Child Ratio Management>
+<Potty Training Assistance, connectedTo, Field Trip Organization>
+<Safety Supervision, connectedTo, Field Trip Organization>
+<Safety Supervision, partOf, Outdoor Exploration>
+<Staff Training and Certification, connectedTo, Learning Material Selection>
+<Staff Training and Certification, safeguards, Potty Training Assistance>
+<start, connectedTo, Hygiene Practices>
+<start, connectedTo, Teacher_Child Ratio Management>
diff --git a/test/mermaid/scanned_hard/mermaid_142.txt b/test/mermaid/scanned_hard/mermaid_142.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6f04b06e78ff25338e7e6d21e91ff8ac43545b5a
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_142.txt
@@ -0,0 +1,18 @@
+<Community Resource Connection, connectedTo, Physical Therapy>
+<Community Resource Connection, no, Meal Preparation>
+<Community Resource Connection, no, end>
+<Dementia Care, yes, Telehealth for Seniors>
+<Legal Aid Referrals, connectedTo, Speech Therapy>
+<Legal Aid Referrals, partOf, Emotional Support and Counseling>
+<Meal Preparation, connectedTo, Palliative Care>
+<Palliative Care, connectedTo, end>
+<Physical Therapy, partOf, Emotional Support and Counseling>
+<Physical Therapy, yes, Social Engagement Activities>
+<Social Engagement Activities, partOf, Emotional Support and Counseling>
+<Social Engagement Activities, yes, Legal Aid Referrals>
+<Speech Therapy, connectedTo, Community Resource Connection>
+<Telehealth for Seniors, yes, Speech Therapy>
+<start, connectedTo, Dementia Care>
+<start, connectedTo, Speech Therapy>
+<start, connectedTo, Telehealth for Seniors>
+<start, connectedTo, end>
diff --git a/test/mermaid/scanned_hard/mermaid_143.mmd b/test/mermaid/scanned_hard/mermaid_143.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..da113f198f788531080636addeb5ed7013c23d91
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_143.mmd
@@ -0,0 +1,72 @@
+graph TD
+    N0([start])
+    N1[/Financial Management Assistance/]
+    N2[Physical Therapy]
+    N3[(Cognitive Stimulation Activities)]
+    N4[/Rehabilitation Support/]
+    N5[[Long_Term Care Planning]]
+    N6[Smart Home Integration for Seniors]
+    N7[[Emergency Response System Monitoring]]
+    N8([Care Plan Development])
+    N9[/Palliative Care/]
+    N10([Respite Care])
+    S0(( ))
+    M0(( ))
+    subgraph Companionship
+        nest0_0{Hospice Care Coordination}
+        nest0_1[/Nutritional Assessment/]
+    end
+    N0 -.-> |dresses| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> N10
+    nest0_0 --> nest0_1
+    N2 --> |activates| nest0_0
+    nest0_1 --> N9
+    N1 --> S0
+    S0 --> N10
+    S0 --> N3
+    N1 -.-> |oversees| M0
+    N0 --> M0
+    M0 -.-> N4
+    style N0 fill:#FFDCD6,stroke:#FFB2A5
+    style N1 fill:#FFF0CC,stroke:#FFCC80
+    style N2 fill:#FFDCD6,stroke:#FFB2A5
+    style N3 fill:#D1C4E9,stroke:#7E57C2
+    style N4 fill:#FFF0CC,stroke:#FFCC80
+    style N5 fill:#FFDCD6,stroke:#FFB2A5
+    style N6 fill:#D1C4E9,stroke:#7E57C2
+    style N7 fill:#FFF0CC,stroke:#FFCC80
+    style N8 fill:#FFF0CC,stroke:#FFCC80
+    style N9 fill:#FFDCD6,stroke:#FFB2A5
+    style N10 fill:#D1C4E9,stroke:#7E57C2
+    style S0 fill:#FFDCD6,stroke:#FFB2A5
+    style M0 fill:#D1C4E9,stroke:#7E57C2
+    style nest0_0 fill:#FFDCD6,stroke:#FFB2A5
+    style nest0_1 fill:#FFDCD6,stroke:#FFB2A5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFB2A5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_145.txt b/test/mermaid/scanned_hard/mermaid_145.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ce81fffe77531418a20a24b505506733e028de66
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_145.txt
@@ -0,0 +1,20 @@
+<Capacity Building for Local Communities, connectedTo, Economic Recovery Initiatives>
+<Capacity Building for Local Communities, rescues, Early Recovery Actions>
+<Cash Transfer Programs, connectedTo, Early Recovery Actions>
+<Cash Transfer Programs, connectedTo, Emergency Drills and Exercises>
+<Cash Transfer Programs, connectedTo, end>
+<Cash Transfer Programs, prevents, Emergency Drills and Exercises>
+<Cash Transfer Programs, recovers, Mitigation Strategies>
+<Drone Deployment for Assessment, connectedTo, Policy and Legislation Review>
+<Early Recovery Actions, reconstructs, Drone Deployment for Assessment>
+<Economic Recovery Initiatives, connectedTo, Volunteer Coordination>
+<Economic Recovery Initiatives, partOf, International Aid Coordination>
+<Emergency Drills and Exercises, connectedTo, Capacity Building for Local Communities>
+<Infrastructure Repair, connectedTo, Emergency Drills and Exercises>
+<Mitigation Strategies, analyzes, Emergency Drills and Exercises>
+<Mitigation Strategies, connectedTo, Emergency Drills and Exercises>
+<Mitigation Strategies, connectedTo, Infrastructure Repair>
+<Policy and Legislation Review, evacuates, end>
+<Volunteer Coordination, connectedTo, Capacity Building for Local Communities>
+<Volunteer Coordination, partOf, International Aid Coordination>
+<Vulnerability Analysis, connectedTo, Cash Transfer Programs>
diff --git a/test/mermaid/scanned_hard/mermaid_147.txt b/test/mermaid/scanned_hard/mermaid_147.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6616864b1646e02c399deaf97e8bfd5bff3f5fbc
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_147.txt
@@ -0,0 +1,22 @@
+<Cash Transfer Programs, partOf, Information Dissemination>
+<Cash Transfer Programs, restores, Satellite Imagery Analysis>
+<Climate Change Adaptation for Disasters, connectedTo, Emergency Drills and Exercises>
+<Climate Change Adaptation for Disasters, connectedTo, Infrastructure Repair>
+<Climate Change Adaptation for Disasters, monitors, International Aid Coordination>
+<Communication Protocols, connectedTo, Climate Change Adaptation for Disasters>
+<Communication Protocols, connectedTo, Evacuation Procedures>
+<Communication Protocols, connectedTo, Infrastructure Repair>
+<Communication Protocols, prevents, Infrastructure Repair>
+<Emergency Drills and Exercises, connectedTo, Mitigation Strategies>
+<Emergency Drills and Exercises, partOf, Information Dissemination>
+<Evacuation Procedures, rebuilds, Hazard Identification>
+<Geographic Information Systems for Disasters, connectedTo, Search and Rescue Operations>
+<Hazard Identification, connectedTo, Policy and Legislation Review>
+<Infrastructure Repair, connectedTo, Geographic Information Systems for Disasters>
+<International Aid Coordination, connectedTo, Infrastructure Repair>
+<Mitigation Strategies, evaluates, Cash Transfer Programs>
+<Mitigation Strategies, partOf, Information Dissemination>
+<Satellite Imagery Analysis, connectedTo, Geographic Information Systems for Disasters>
+<Satellite Imagery Analysis, partOf, Information Dissemination>
+<Search and Rescue Operations, connectedTo, Evacuation Procedures>
+<start, connectedTo, Communication Protocols>
diff --git a/test/mermaid/scanned_hard/mermaid_148.mmd b/test/mermaid/scanned_hard/mermaid_148.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..697cb5d13d58018d2f66d5fca87393db26926b4f
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_148.mmd
@@ -0,0 +1,90 @@
+graph TD
+    N0([start])
+    N1[Civil_Military Cooperation]
+    N2[Disaster Relief Deployment]
+    N3[[Troop Deployment]]
+    N4(Rules of Engagement)
+    N5[[Logistics Support]]
+    N6([Surveillance])
+    N7[(Combat Operations)]
+    N8([Specialized Training])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Peacekeeping Missions
+        nest0_0[[Defense Procurement]]
+        nest0_1{Medical Support}
+        nest0_2(Readiness Assessment)
+    end
+    N0 --> |logistics| N1
+    N1 -.-> |reports| N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> |defends| N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> |plans| N8
+    nest0_0 -.-> |tests| nest0_1
+    nest0_1 --> nest0_2
+    N5 --> nest0_0
+    nest0_2 -.-> N4
+    N1 --> S0
+    S0 -.-> N6
+    S0 --> N4
+    N2 --> S1
+    S1 -.-> N4
+    S1 --> N8
+    S1 --> N5
+    N2 -.-> M0
+    N3 --> M0
+    N0 -.-> M0
+    M0 -.-> N6
+    N4 --> M1
+    N3 -.-> M1
+    N1 -.-> M1
+    M1 --> N6
+    style N0 fill:#DED7F0,stroke:#A188DB
+    style N1 fill:#B3E5FC,stroke:#03A9F4
+    style N2 fill:#DED7F0,stroke:#A188DB
+    style N3 fill:#F1F8E9,stroke:#388E3C
+    style N4 fill:#DED7F0,stroke:#A188DB
+    style N5 fill:#B3E5FC,stroke:#03A9F4
+    style N6 fill:#F1F8E9,stroke:#388E3C
+    style N7 fill:#DED7F0,stroke:#A188DB
+    style N8 fill:#F1F8E9,stroke:#388E3C
+    style S0 fill:#F1F8E9,stroke:#388E3C
+    style S1 fill:#B3E5FC,stroke:#03A9F4
+    style M0 fill:#F1F8E9,stroke:#388E3C
+    style M1 fill:#B3E5FC,stroke:#03A9F4
+    style nest0_0 fill:#F1F8E9,stroke:#388E3C
+    style nest0_1 fill:#F1F8E9,stroke:#388E3C
+    style nest0_2 fill:#F1F8E9,stroke:#388E3C
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_149.txt b/test/mermaid/scanned_hard/mermaid_149.txt
new file mode 100644
index 0000000000000000000000000000000000000000..96ee2db731405e1bd1fb3f872cabe77d6c523929
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_149.txt
@@ -0,0 +1,23 @@
+<Disaster Relief Deployment, connectedTo, Logistics Support>
+<Disaster Relief Deployment, connectedTo, Unmanned Systems Operation>
+<Joint Exercises, analyzes, Disaster Relief Deployment>
+<Joint Exercises, connectedTo, Unmanned Systems Operation>
+<Logistics Support, connectedTo, Reconnaissance>
+<Logistics Support, connectedTo, Veteran Support>
+<Logistics Support, rescues, Unmanned Systems Operation>
+<Medical Support, connectedTo, Reconnaissance>
+<Operations Planning, connectedTo, Peacekeeping Missions>
+<Operations Planning, partOf, Air Operations>
+<Peacekeeping Missions, partOf, Air Operations>
+<Peacekeeping Missions, warns, Weapon Systems Development>
+<Reconnaissance, develops, Targeting>
+<Reconnaissance, plans, Troop Deployment>
+<Rules of Engagement, connectedTo, Joint Exercises>
+<Troop Deployment, connectedTo, Operations Planning>
+<Troop Deployment, partOf, Air Operations>
+<Unmanned Systems Operation, interdicts, Reconnaissance>
+<Unmanned Systems Operation, operates, Veteran Support>
+<Unmanned Systems Operation, tests, Targeting>
+<Veteran Support, connectedTo, Medical Support>
+<Weapon Systems Development, maintains, Medical Support>
+<Weapon Systems Development, partOf, Air Operations>
diff --git a/test/mermaid/scanned_hard/mermaid_151.txt b/test/mermaid/scanned_hard/mermaid_151.txt
new file mode 100644
index 0000000000000000000000000000000000000000..df6c3a853e8adf65b451727224d3943ee1bc8ed4
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_151.txt
@@ -0,0 +1,26 @@
+<Air Traffic Control, connectedTo, Crew Scheduling>
+<Air Traffic Control, partOf, Air Cargo Logistics>
+<Airport Operations, connectedTo, Airport Security Management>
+<Airport Operations, connectedTo, Crew Scheduling>
+<Airport Security Management, connectedTo, Delay Management>
+<Airport Security Management, monitors, Unmanned Aerial Vehicle Integration>
+<Aviation Safety Investigation, connectedTo, Flight Simulation>
+<Avionics Repair, connectedTo, Regulatory Compliance>
+<Avionics Repair, partOf, Air Cargo Logistics>
+<Crew Scheduling, connectedTo, Airport Security Management>
+<Crew Scheduling, connectedTo, Delay Management>
+<Crew Scheduling, connectedTo, Emergency Procedures Training>
+<Crew Scheduling, connectedTo, Ground Support>
+<Crew Scheduling, connectedTo, Unmanned Aerial Vehicle Integration>
+<Delay Management, controls, Fueling Operations>
+<Emergency Procedures Training, connectedTo, Delay Management>
+<Flight Simulation, connectedTo, Weather Briefing>
+<Flight Simulation, navigates, Airport Security Management>
+<Fueling Operations, checks, Navigation System Check>
+<Ground Support, connectedTo, Avionics Repair>
+<Ground Support, partOf, Air Cargo Logistics>
+<Regulatory Compliance, connectedTo, Air Traffic Control>
+<Regulatory Compliance, partOf, Air Cargo Logistics>
+<Unmanned Aerial Vehicle Integration, connectedTo, Emergency Procedures Training>
+<Weather Briefing, connectedTo, Airport Operations>
+<Weather Briefing, connectedTo, Airport Security Management>
diff --git a/test/mermaid/scanned_hard/mermaid_152.mmd b/test/mermaid/scanned_hard/mermaid_152.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..9a83bbc029c73f316a0d44779870b1e2c05a1be2
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_152.mmd
@@ -0,0 +1,62 @@
+graph BT
+    N0([Avionics Repair])
+    N1[(Flight Planning)]
+    N2{Fleet Management}
+    N3(Air Traffic Control)
+    N4[/Sustainable Aviation Fuel Development/]
+    N5(Gate Assignment)
+    N6(Airspace Management)
+    N7(Fueling Operations)
+    N8([Flight Simulation])
+    S0(( ))
+    subgraph Route Optimization
+        nest0_0[[Remote Tower Operations]]
+        nest0_1[(Next_Generation Air Traffic Management)]
+        nest0_2[Engine Overhaul]
+    end
+    N0 --> |responds| N1
+    N1 --> N2
+    N2 --> |optimizes| N3
+    N3 --> N4
+    N4 -.-> |integrates| N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> N8
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    N1 -.-> |documents| nest0_0
+    nest0_2 --> N6
+    N4 --> S0
+    S0 -.-> N6
+    S0 --> N7
+    nest0_0 --> N7
+    style N0 fill:#C8E6C9,stroke:#388E3C
+    style N1 fill:#FFF9C4,stroke:#FFEB3B
+    style N2 fill:#FFF9C4,stroke:#FFEB3B
+    style N3 fill:#C8E6C9,stroke:#388E3C
+    style N4 fill:#B2EBF2,stroke:#00BCD4
+    style N5 fill:#FFF9C4,stroke:#FFEB3B
+    style N6 fill:#B2EBF2,stroke:#00BCD4
+    style N7 fill:#C8E6C9,stroke:#388E3C
+    style N8 fill:#FFF9C4,stroke:#FFEB3B
+    style S0 fill:#C8E6C9,stroke:#388E3C
+    style nest0_0 fill:#C8E6C9,stroke:#388E3C
+    style nest0_1 fill:#B2EBF2,stroke:#00BCD4
+    style nest0_2 fill:#C8E6C9,stroke:#388E3C
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#388E3C,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_154.mmd b/test/mermaid/scanned_hard/mermaid_154.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b3284ad7e622cd91f60e04c52eecd1093be9c1ca
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_154.mmd
@@ -0,0 +1,62 @@
+graph BT
+    N0([Lane Guidance])
+    N1[Real_Time Re_routing]
+    N2([Hazard Alerts])
+    N3[/Digital Compass Integration/]
+    N4[Navigation Data Update]
+    N5([Historical Traffic Data Analysis])
+    S0(( ))
+    S1(( ))
+    subgraph Voice Guidance Customization
+        nest0_0[Celestial Navigation]
+        nest0_1[(Terrestrial Navigation)]
+        nest0_2[(Dead Reckoning)]
+        nest0_3[Aeronautical Charting]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> |orients| N4
+    N4 -.-> N5
+    nest0_0 --> nest0_1
+    nest0_1 -.-> |interprets| nest0_2
+    nest0_2 --> |steers| nest0_3
+    N4 -.-> |displays| nest0_0
+    nest0_3 -.-> N2
+    N2 --> S0
+    S0 -.-> |records| N4
+    S0 --> N5
+    N0 -.-> S1
+    S1 --> N3
+    S1 --> N2
+    S1 --> N4
+    style N0 fill:#FFF3E0,stroke:#FFB74D
+    style N1 fill:#FFF3E0,stroke:#FFB74D
+    style N2 fill:#FDFCEB,stroke:#EAEFA5
+    style N3 fill:#FDFCEB,stroke:#EAEFA5
+    style N4 fill:#FFDAB9,stroke:#FFC085
+    style N5 fill:#FDFCEB,stroke:#EAEFA5
+    style S0 fill:#FFDAB9,stroke:#FFC085
+    style S1 fill:#FFDAB9,stroke:#FFC085
+    style nest0_0 fill:#FFF3E0,stroke:#FFB74D
+    style nest0_1 fill:#FFDAB9,stroke:#FFC085
+    style nest0_2 fill:#FDFCEB,stroke:#EAEFA5
+    style nest0_3 fill:#FFDAB9,stroke:#FFC085
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFC085,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_154.txt b/test/mermaid/scanned_hard/mermaid_154.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d4dc440aca42ce754f924bfbc08d5d0eb2e758cf
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_154.txt
@@ -0,0 +1,19 @@
+<Aeronautical Charting, connectedTo, Hazard Alerts>
+<Aeronautical Charting, partOf, Voice Guidance Customization>
+<Celestial Navigation, connectedTo, Terrestrial Navigation>
+<Celestial Navigation, partOf, Voice Guidance Customization>
+<Dead Reckoning, partOf, Voice Guidance Customization>
+<Dead Reckoning, steers, Aeronautical Charting>
+<Digital Compass Integration, orients, Navigation Data Update>
+<Hazard Alerts, connectedTo, Digital Compass Integration>
+<Hazard Alerts, connectedTo, Historical Traffic Data Analysis>
+<Hazard Alerts, records, Navigation Data Update>
+<Lane Guidance, connectedTo, Digital Compass Integration>
+<Lane Guidance, connectedTo, Hazard Alerts>
+<Lane Guidance, connectedTo, Navigation Data Update>
+<Lane Guidance, connectedTo, Real_Time Re_routing>
+<Navigation Data Update, connectedTo, Historical Traffic Data Analysis>
+<Navigation Data Update, displays, Celestial Navigation>
+<Real_Time Re_routing, connectedTo, Hazard Alerts>
+<Terrestrial Navigation, interprets, Dead Reckoning>
+<Terrestrial Navigation, partOf, Voice Guidance Customization>
diff --git a/test/mermaid/scanned_hard/mermaid_155.mmd b/test/mermaid/scanned_hard/mermaid_155.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..701023540fba5762ce4434ef4e5865481f737920
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_155.mmd
@@ -0,0 +1,76 @@
+graph LR
+    N0([start])
+    N1[(Autonomous Vehicle Navigation)]
+    N2[(Geofencing)]
+    N3[/Hazard Alerts/]
+    N4{Voice Guidance Customization}
+    N5[Location_Based Services]
+    N6[[Augmented Reality Navigation]]
+    N7([GPS Positioning])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Navigation Data Update
+        nest0_0([Cycle Route Planning])
+        nest0_1[Aeronautical Charting]
+        nest0_2[Speed Calculation]
+    end
+    N0 --> |follows| N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> |optimizes| N6
+    N6 --> N7
+    nest0_0 --> nest0_1
+    nest0_1 -.-> |measures| nest0_2
+    N1 --> nest0_0
+    nest0_2 -.-> N2
+    N3 --> S0
+    S0 -.-> N6
+    S0 --> N7
+    S0 -.-> N5
+    N1 --> S1
+    S1 -.-> |authenticates| N4
+    S1 --> N7
+    N0 -.-> M0
+    N5 -.-> M0
+    N2 --> M0
+    M0 --> N7
+    style N0 fill:#FCE4EC,stroke:#F06292
+    style N1 fill:#FCE4EC,stroke:#F06292
+    style N2 fill:#FCE4EC,stroke:#F06292
+    style N3 fill:#E6EE9C,stroke:#CDDC39
+    style N4 fill:#E6EE9C,stroke:#CDDC39
+    style N5 fill:#E6EE9C,stroke:#CDDC39
+    style N6 fill:#E8EAF6,stroke:#7986CB
+    style N7 fill:#FCE4EC,stroke:#F06292
+    style S0 fill:#E6EE9C,stroke:#CDDC39
+    style S1 fill:#E8EAF6,stroke:#7986CB
+    style M0 fill:#E6EE9C,stroke:#CDDC39
+    style nest0_0 fill:#E8EAF6,stroke:#7986CB
+    style nest0_1 fill:#E6EE9C,stroke:#CDDC39
+    style nest0_2 fill:#FCE4EC,stroke:#F06292
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_155.txt b/test/mermaid/scanned_hard/mermaid_155.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1111e4b9303107a3780a42755f915f9a09d240bb
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_155.txt
@@ -0,0 +1,22 @@
+<Aeronautical Charting, measures, Speed Calculation>
+<Aeronautical Charting, partOf, Navigation Data Update>
+<Augmented Reality Navigation, connectedTo, GPS Positioning>
+<Autonomous Vehicle Navigation, authenticates, Voice Guidance Customization>
+<Autonomous Vehicle Navigation, connectedTo, Cycle Route Planning>
+<Autonomous Vehicle Navigation, connectedTo, GPS Positioning>
+<Autonomous Vehicle Navigation, connectedTo, Geofencing>
+<Cycle Route Planning, connectedTo, Aeronautical Charting>
+<Cycle Route Planning, partOf, Navigation Data Update>
+<Geofencing, connectedTo, GPS Positioning>
+<Geofencing, connectedTo, Hazard Alerts>
+<Hazard Alerts, connectedTo, Augmented Reality Navigation>
+<Hazard Alerts, connectedTo, GPS Positioning>
+<Hazard Alerts, connectedTo, Location_Based Services>
+<Hazard Alerts, connectedTo, Voice Guidance Customization>
+<Location_Based Services, connectedTo, GPS Positioning>
+<Location_Based Services, optimizes, Augmented Reality Navigation>
+<Speed Calculation, connectedTo, Geofencing>
+<Speed Calculation, partOf, Navigation Data Update>
+<Voice Guidance Customization, connectedTo, Location_Based Services>
+<start, connectedTo, GPS Positioning>
+<start, follows, Autonomous Vehicle Navigation>
diff --git a/test/mermaid/scanned_hard/mermaid_156.mmd b/test/mermaid/scanned_hard/mermaid_156.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..bea4b9f1afd504c7f0e5c7c796644584dae610c6
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_156.mmd
@@ -0,0 +1,88 @@
+graph BT
+    N0([Historical Traffic Data Analysis])
+    N1(Cycle Route Planning)
+    N2([Geocoding])
+    N3(Lane Guidance)
+    N4[/Hazard Alerts/]
+    N5[[Altitude Tracking]]
+    N6[Augmented Reality Navigation]
+    N7(Multi_modal Navigation)
+    N8([Public Transit Navigation])
+    N9{Navigation Data Update}
+    N10[/Personalized Route Preferences/]
+    N11[GPS Positioning]
+    N12([end])
+    S0(( ))
+    subgraph Dead Reckoning
+        nest0_0[[Wearable Device Navigation]]
+        nest0_1([Geofencing])
+        nest0_2[Digital Compass Integration]
+        nest0_3[Terrestrial Navigation]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> |processes| N4
+    N4 -.-> |transmits| N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> |guides| N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    nest0_0 --> |tracks| nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> |validates| nest0_3
+    N9 --> nest0_0
+    nest0_3 -.-> |analyzes| N3
+    N9 -.-> S0
+    S0 --> N12
+    S0 -.-> N11
+    nest0_1 -.-> N0
+    nest0_0 --> nest0_2
+    N8 --> N2
+    nest0_3 --> |alerts| nest0_2
+    style N0 fill:#FFF0CC,stroke:#FFCC80
+    style N1 fill:#FFF3E0,stroke:#FFB74D
+    style N2 fill:#FFF0CC,stroke:#FFCC80
+    style N3 fill:#F1F8E9,stroke:#81C784
+    style N4 fill:#FFF0CC,stroke:#FFCC80
+    style N5 fill:#FFF0CC,stroke:#FFCC80
+    style N6 fill:#FFF3E0,stroke:#FFB74D
+    style N7 fill:#FFF3E0,stroke:#FFB74D
+    style N8 fill:#F1F8E9,stroke:#81C784
+    style N9 fill:#FFF0CC,stroke:#FFCC80
+    style N10 fill:#FFF0CC,stroke:#FFCC80
+    style N11 fill:#FFF3E0,stroke:#FFB74D
+    style N12 fill:#FFF3E0,stroke:#FFB74D
+    style S0 fill:#FFF0CC,stroke:#FFCC80
+    style nest0_0 fill:#FFF0CC,stroke:#FFCC80
+    style nest0_1 fill:#F1F8E9,stroke:#81C784
+    style nest0_2 fill:#FFF0CC,stroke:#FFCC80
+    style nest0_3 fill:#FFF0CC,stroke:#FFCC80
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFCC80,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_159.mmd b/test/mermaid/scanned_hard/mermaid_159.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ced499f704485ba7c29417afb0e95a6559b233b3
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_159.mmd
@@ -0,0 +1,61 @@
+graph TD
+    N0([start])
+    N1[[Custom Part Production]]
+    N2[Aerospace Part Production]
+    N3(Direct Metal Laser Sintering)
+    N4[On_Demand Production]
+    N5[/3D Model Design/]
+    N6([Medical Device Prototyping])
+    N7([Multi_Material Printing])
+    N8([Additive Manufacturing])
+    N9([end])
+    S0(( ))
+    S1(( ))
+    subgraph Post_Processing
+        nest0_0([Mass Customization])
+        nest0_1(Support Structure Design)
+        nest0_2[(Intellectual Property Protection for Designs)]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> |yes| N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> |yes| N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> |yes| N9
+    nest0_0 -.-> |yes| nest0_1
+    nest0_1 --> nest0_2
+    N5 -.-> nest0_0
+    nest0_2 -.-> N1
+    N5 -.-> S0
+    S0 --> N8
+    S0 -.-> N9
+    S0 -.-> N7
+    N0 --> S1
+    S1 -.-> N6
+    S1 --> N2
+    style S0 fill:#ECF0FD,stroke:#B8C0F5
+    style S1 fill:#ECF0FD,stroke:#B8C0F5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_160.txt b/test/mermaid/scanned_hard/mermaid_160.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e93cd24c96fad6b32b0a9a7b9aa160808c2571a0
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_160.txt
@@ -0,0 +1,23 @@
+<Advanced Materials Research, partOf, Carbon Nanotube Synthesis>
+<Advanced Materials Research, yes, Spintronics>
+<Bio_Nanotechnology Interface, connectedTo, Public Perception of Nanotechnology>
+<Bio_Nanotechnology Interface, partOf, Carbon Nanotube Synthesis>
+<Drug Delivery Systems, connectedTo, Public Perception of Nanotechnology>
+<Energy Storage Applications, connectedTo, Nanosensors>
+<Energy Storage Applications, connectedTo, Risk Assessment of Nanomaterials>
+<Environmental Remediation with Nanomaterials, connectedTo, end>
+<Nanoparticle Characterization, connectedTo, Environmental Remediation with Nanomaterials>
+<Nanoparticle Characterization, connectedTo, end>
+<Nanosensors, no, Advanced Materials Research>
+<Nanosensors, no, Risk Assessment of Nanomaterials>
+<Public Perception of Nanotechnology, connectedTo, Environmental Remediation with Nanomaterials>
+<Public Perception of Nanotechnology, connectedTo, end>
+<Public Perception of Nanotechnology, no, Nanoparticle Characterization>
+<Risk Assessment of Nanomaterials, no, Drug Delivery Systems>
+<Spintronics, partOf, Carbon Nanotube Synthesis>
+<Spintronics, yes, Bio_Nanotechnology Interface>
+<start, connectedTo, Energy Storage Applications>
+<start, connectedTo, Environmental Remediation with Nanomaterials>
+<start, connectedTo, Nanosensors>
+<start, yes, Risk Assessment of Nanomaterials>
+<start, yes, end>
diff --git a/test/mermaid/scanned_hard/mermaid_161.mmd b/test/mermaid/scanned_hard/mermaid_161.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..8be9c874df02193a2245c59dfb6984bdaa344d17
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_161.mmd
@@ -0,0 +1,68 @@
+graph BT
+    N0([start])
+    N1(Nanomaterial Synthesis)
+    N2[[Nanoelectronics]]
+    N3[Transmission Electron Microscopy]
+    N4([Quantum Dots])
+    N5[[Catalysis at Nanoscale]]
+    N6[/Drug Delivery Systems/]
+    N7([Atomic Force Microscopy])
+    S0(( ))
+    M1(( ))
+    subgraph Lab_on_a_Chip Devices
+        nest0_0(Computational Nanotechnology)
+        nest0_1[Graphene Production]
+        nest0_2[[Surface Functionalization]]
+        nest0_3[[Environmental Remediation with Nanomaterials]]
+    end
+    N0 --> |commercializes| N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    nest0_0 -.-> |engineers| nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 --> nest0_3
+    N6 --> |protects| nest0_0
+    nest0_3 --> N1
+    N1 --> S0
+    S0 -.-> N3
+    S0 -.-> |integrates| N6
+    N3 -.-> M1
+    N2 --> |cleans| M1
+    M1 --> N5
+    style N0 fill:#FFDAB9,stroke:#FFC085
+    style N1 fill:#FFDAB9,stroke:#FFC085
+    style N2 fill:#FFFDE7,stroke:#FBC02D
+    style N3 fill:#FFDAB9,stroke:#FFC085
+    style N4 fill:#FFDAB9,stroke:#FFC085
+    style N5 fill:#E0E6E9,stroke:#AABEC6
+    style N6 fill:#FFDAB9,stroke:#FFC085
+    style N7 fill:#E0E6E9,stroke:#AABEC6
+    style S0 fill:#FFDAB9,stroke:#FFC085
+    style M1 fill:#FFFDE7,stroke:#FBC02D
+    style nest0_0 fill:#E0E6E9,stroke:#AABEC6
+    style nest0_1 fill:#FFDAB9,stroke:#FFC085
+    style nest0_2 fill:#FFFDE7,stroke:#FBC02D
+    style nest0_3 fill:#FFDAB9,stroke:#FFC085
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#AABEC6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_162.mmd b/test/mermaid/scanned_hard/mermaid_162.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a76766a243d6b2dcec9ff2e2331f662d6ed149a7
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_162.mmd
@@ -0,0 +1,84 @@
+graph BT
+    N0([Biosensors])
+    N1[[Nanosensors]]
+    N2[(Food Packaging Improvement)]
+    N3(Spectroscopy)
+    N4[[Quantum Computing Integration]]
+    N5[Catalysis at Nanoscale]
+    N6(Environmental Remediation with Nanomaterials)
+    N7(Energy Storage Applications)
+    N8{Nanocoatings}
+    N9[Risk Assessment of Nanomaterials]
+    N10([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Public Perception of Nanotechnology
+        nest0_0[Quantum Dots]
+        nest0_1[/Water Purification using Nanomaterials/]
+    end
+    N0 --> N1
+    N1 -.-> |protects| N2
+    N2 --> |functionalizes| N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> |tests| N7
+    N7 -.-> N8
+    N8 -.-> |enhances| N9
+    N9 -.-> |models| N10
+    nest0_0 --> |deposits| nest0_1
+    N7 -.-> |delivers| nest0_0
+    nest0_1 -.-> N7
+    N2 --> S0
+    S0 -.-> |manipulates| N5
+    S0 -.-> N9
+    S0 --> N6
+    N5 -.-> S1
+    S1 -.-> N8
+    S1 -.-> N7
+    S1 -.-> N9
+    N1 --> M0
+    N4 --> M0
+    M0 --> N6
+    style N0 fill:#E1F5FE,stroke:#4FC3F7
+    style N1 fill:#C2E8E6,stroke:#61CAC3
+    style N2 fill:#EDE7F6,stroke:#7E57C2
+    style N3 fill:#EDE7F6,stroke:#7E57C2
+    style N4 fill:#EDE7F6,stroke:#7E57C2
+    style N5 fill:#C2E8E6,stroke:#61CAC3
+    style N6 fill:#C2E8E6,stroke:#61CAC3
+    style N7 fill:#EDE7F6,stroke:#7E57C2
+    style N8 fill:#E1F5FE,stroke:#4FC3F7
+    style N9 fill:#E1F5FE,stroke:#4FC3F7
+    style N10 fill:#E1F5FE,stroke:#4FC3F7
+    style S0 fill:#EDE7F6,stroke:#7E57C2
+    style S1 fill:#EDE7F6,stroke:#7E57C2
+    style M0 fill:#EDE7F6,stroke:#7E57C2
+    style nest0_0 fill:#C2E8E6,stroke:#61CAC3
+    style nest0_1 fill:#E1F5FE,stroke:#4FC3F7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_165.mmd b/test/mermaid/scanned_hard/mermaid_165.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..39bbdd1cc6e8a6a0ddcddad78ec8249507bd666c
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_165.mmd
@@ -0,0 +1,77 @@
+graph BT
+    N0([start])
+    N1([Quantum Computing for AI])
+    N2[(Quantum Cloud Computing Services)]
+    N3(Quantum Software Development Kit)
+    N4[/Quantum Computing in Drug Discovery/]
+    N5[Optimization Problems with Quantum Annealing]
+    N6[Quantum Circuit Design]
+    N7[[Quantum Communication Protocols]]
+    N8[(Quantum Advantage Demonstration)]
+    N9[Quantum Supremacy Claims]
+    N10[[Quantum Computing Benchmarking]]
+    N11([end])
+    S0(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Quantum Simulation
+        nest0_0[Superconducting Qubits]
+        nest0_1{Material Science Simulations}
+        nest0_2[[Decoherence Mitigation]]
+    end
+    N0 --> |no| N1
+    N1 --> N2
+    N2 -.-> |no| N3
+    N3 -.-> |no| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> |no| N8
+    N8 --> |yes| N9
+    N9 -.-> |no| N10
+    N10 -.-> |no| N11
+    nest0_0 --> nest0_1
+    nest0_1 --> |yes| nest0_2
+    N9 --> nest0_0
+    nest0_2 -.-> N6
+    N1 --> S0
+    S0 --> N3
+    S0 -.-> N5
+    S0 -.-> N6
+    N1 --> M0
+    N2 --> M0
+    M0 --> N4
+    N3 --> |yes| M1
+    N1 --> M1
+    N2 -.-> M1
+    M1 -.-> N6
+    style S0 fill:#EBEBEB,stroke:#E0E0E0
+    style M0 fill:#EBEBEB,stroke:#E0E0E0
+    style M1 fill:#EBEBEB,stroke:#E0E0E0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#CDDC39,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_165.txt b/test/mermaid/scanned_hard/mermaid_165.txt
new file mode 100644
index 0000000000000000000000000000000000000000..054b24fda7cec4f529578b9f8cc69dc367e273b0
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_165.txt
@@ -0,0 +1,25 @@
+<Decoherence Mitigation, connectedTo, Quantum Circuit Design>
+<Decoherence Mitigation, partOf, Quantum Simulation>
+<Material Science Simulations, partOf, Quantum Simulation>
+<Material Science Simulations, yes, Decoherence Mitigation>
+<Optimization Problems with Quantum Annealing, connectedTo, Quantum Circuit Design>
+<Quantum Advantage Demonstration, yes, Quantum Supremacy Claims>
+<Quantum Circuit Design, connectedTo, Quantum Communication Protocols>
+<Quantum Cloud Computing Services, connectedTo, Quantum Circuit Design>
+<Quantum Cloud Computing Services, connectedTo, Quantum Computing in Drug Discovery>
+<Quantum Cloud Computing Services, no, Quantum Software Development Kit>
+<Quantum Communication Protocols, no, Quantum Advantage Demonstration>
+<Quantum Computing Benchmarking, no, end>
+<Quantum Computing for AI, connectedTo, Optimization Problems with Quantum Annealing>
+<Quantum Computing for AI, connectedTo, Quantum Circuit Design>
+<Quantum Computing for AI, connectedTo, Quantum Cloud Computing Services>
+<Quantum Computing for AI, connectedTo, Quantum Computing in Drug Discovery>
+<Quantum Computing for AI, connectedTo, Quantum Software Development Kit>
+<Quantum Computing in Drug Discovery, connectedTo, Optimization Problems with Quantum Annealing>
+<Quantum Software Development Kit, no, Quantum Computing in Drug Discovery>
+<Quantum Software Development Kit, yes, Quantum Circuit Design>
+<Quantum Supremacy Claims, connectedTo, Superconducting Qubits>
+<Quantum Supremacy Claims, no, Quantum Computing Benchmarking>
+<Superconducting Qubits, connectedTo, Material Science Simulations>
+<Superconducting Qubits, partOf, Quantum Simulation>
+<start, no, Quantum Computing for AI>
diff --git a/test/mermaid/scanned_hard/mermaid_166.mmd b/test/mermaid/scanned_hard/mermaid_166.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..910c8f5f573ed2109d22bd5a91e5646d9afc3924
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_166.mmd
@@ -0,0 +1,98 @@
+graph RL
+    N0([Augmented Reality App Development])
+    N1([Virtual Showrooms])
+    N2[(Tracking System Calibration)]
+    N3(Performance Optimization)
+    N4[Neuro_VR Interfaces]
+    N5[3D Model Creation]
+    N6(Software Development Kit Integration)
+    N7([User Experience Testing])
+    N8(Training Simulations)
+    N9(Retail Experience Enhancement)
+    N10[/Facial Recognition in AR or VR/]
+    N11[Wearable AR Devices]
+    N12[(Cloud_based AR or VR Rendering)]
+    N13([Industrial Maintenance Support])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Mixed Reality Solutions
+        nest0_0[[Gesture Recognition]]
+        nest0_1(Field of View Optimization)
+        nest0_2[Hardware Prototyping]
+    end
+    N0 -.-> N1
+    N1 -.-> |designs| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> |entertains| N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> |measures| N8
+    N8 -.-> N9
+    N9 -.-> |guides| N10
+    N10 --> |enhances| N11
+    N11 --> |optimizes| N12
+    N12 -.-> N13
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    N9 -.-> nest0_0
+    nest0_2 -.-> |calibrates| N1
+    N0 -.-> S0
+    S0 --> N10
+    S0 --> N2
+    N7 --> S1
+    S1 --> |analyzes| N13
+    S1 -.-> |audits| N12
+    N6 --> M0
+    N4 -.-> M0
+    N5 --> M0
+    M0 --> N8
+    style N0 fill:#F8FDD3,stroke:#D3EB9F
+    style N1 fill:#F8FDD3,stroke:#D3EB9F
+    style N2 fill:#FFF0CC,stroke:#FFCC80
+    style N3 fill:#F8FDD3,stroke:#D3EB9F
+    style N4 fill:#EDE7F6,stroke:#7E57C2
+    style N5 fill:#EDE7F6,stroke:#7E57C2
+    style N6 fill:#F8FDD3,stroke:#D3EB9F
+    style N7 fill:#FFF0CC,stroke:#FFCC80
+    style N8 fill:#FFF0CC,stroke:#FFCC80
+    style N9 fill:#FFF0CC,stroke:#FFCC80
+    style N10 fill:#EDE7F6,stroke:#7E57C2
+    style N11 fill:#F8FDD3,stroke:#D3EB9F
+    style N12 fill:#EDE7F6,stroke:#7E57C2
+    style N13 fill:#F8FDD3,stroke:#D3EB9F
+    style S0 fill:#F8FDD3,stroke:#D3EB9F
+    style S1 fill:#EDE7F6,stroke:#7E57C2
+    style M0 fill:#F8FDD3,stroke:#D3EB9F
+    style nest0_0 fill:#F8FDD3,stroke:#D3EB9F
+    style nest0_1 fill:#F8FDD3,stroke:#D3EB9F
+    style nest0_2 fill:#FFF0CC,stroke:#FFCC80
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#7E57C2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_168.mmd b/test/mermaid/scanned_hard/mermaid_168.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..8046eef742713ffbbb96ca554f4988b32c918173
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_168.mmd
@@ -0,0 +1,59 @@
+graph BT
+    N0([start])
+    N1[/Performance Optimization/]
+    N2{Live Event Streaming in VR}
+    N3(Ethical Considerations in AR or VR)
+    N4[Environment Mapping]
+    N5[[Facial Recognition in AR or VR]]
+    N6([Cloud_based AR or VR Rendering])
+    N7(Content Creation for AR or VR)
+    N8[(Gesture Recognition)]
+    N9([end])
+    S0(( ))
+    M0(( ))
+    subgraph Immersive Storytelling
+        nest0_0{Augmented Reality App Development}
+        nest0_1[Tracking System Calibration]
+        nest0_2{Medical Applications}
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    N5 -.-> nest0_0
+    nest0_2 --> N8
+    N1 --> S0
+    S0 -.-> N6
+    S0 -.-> |yes| N9
+    N0 -.-> |yes| M0
+    N4 -.-> M0
+    M0 --> N7
+    style S0 fill:#FFE0B2,stroke:#FF9800
+    style M0 fill:#FFE0B2,stroke:#FF9800
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFF8A6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_168.txt b/test/mermaid/scanned_hard/mermaid_168.txt
new file mode 100644
index 0000000000000000000000000000000000000000..26f3647fd759bc6dd45ec7aff4a95a289fbccd95
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_168.txt
@@ -0,0 +1,20 @@
+<Augmented Reality App Development, connectedTo, Tracking System Calibration>
+<Augmented Reality App Development, partOf, Immersive Storytelling>
+<Cloud_based AR or VR Rendering, connectedTo, Content Creation for AR or VR>
+<Content Creation for AR or VR, connectedTo, Gesture Recognition>
+<Environment Mapping, connectedTo, Content Creation for AR or VR>
+<Environment Mapping, connectedTo, Facial Recognition in AR or VR>
+<Ethical Considerations in AR or VR, connectedTo, Environment Mapping>
+<Facial Recognition in AR or VR, connectedTo, Augmented Reality App Development>
+<Facial Recognition in AR or VR, connectedTo, Cloud_based AR or VR Rendering>
+<Gesture Recognition, connectedTo, end>
+<Live Event Streaming in VR, connectedTo, Ethical Considerations in AR or VR>
+<Medical Applications, connectedTo, Gesture Recognition>
+<Medical Applications, partOf, Immersive Storytelling>
+<Performance Optimization, connectedTo, Cloud_based AR or VR Rendering>
+<Performance Optimization, connectedTo, Live Event Streaming in VR>
+<Performance Optimization, yes, end>
+<Tracking System Calibration, connectedTo, Medical Applications>
+<Tracking System Calibration, partOf, Immersive Storytelling>
+<start, connectedTo, Performance Optimization>
+<start, yes, Content Creation for AR or VR>
diff --git a/test/mermaid/scanned_hard/mermaid_169.txt b/test/mermaid/scanned_hard/mermaid_169.txt
new file mode 100644
index 0000000000000000000000000000000000000000..17b4458dfc2d1176f96990a27c3adb49ab6ef6cd
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_169.txt
@@ -0,0 +1,25 @@
+<Engine Development, connectedTo, Game Publishing>
+<Engine Development, partOf, Game Performance Optimization>
+<Game Design, connectedTo, User Experience Design>
+<Game Design, partOf, Game Performance Optimization>
+<Game Publishing, connectedTo, end>
+<In_Game Economy Design, connectedTo, Game Design>
+<In_Game Economy Design, partOf, Game Performance Optimization>
+<Level Design, connectedTo, Quality Assurance Testing>
+<Level Design, no, Game Publishing>
+<Level Design, yes, end>
+<Mobile Game Development, connectedTo, Storytelling>
+<Mobile Game Development, yes, Level Design>
+<Motion Capture, connectedTo, Storytelling>
+<Player Progression Systems, connectedTo, Game Publishing>
+<Programming, connectedTo, Motion Capture>
+<Programming, connectedTo, Player Progression Systems>
+<Programming, connectedTo, Storytelling>
+<Quality Assurance Testing, connectedTo, Programming>
+<Storytelling, connectedTo, Player Progression Systems>
+<Storytelling, no, In_Game Economy Design>
+<User Experience Design, connectedTo, Engine Development>
+<User Experience Design, partOf, Game Performance Optimization>
+<start, connectedTo, Mobile Game Development>
+<start, connectedTo, Storytelling>
+<start, yes, Player Progression Systems>
diff --git a/test/mermaid/scanned_hard/mermaid_17.txt b/test/mermaid/scanned_hard/mermaid_17.txt
new file mode 100644
index 0000000000000000000000000000000000000000..911de2ad47196fa910c7a22d2e8ab95305850017
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_17.txt
@@ -0,0 +1,12 @@
+<Code Enforcement, audits, Interdepartmental Approval>
+<Compliance Checking, connectedTo, National Defense>
+<Data Publishing, connectedTo, Compliance Checking>
+<Data Publishing, inspects, Interdepartmental Approval>
+<Election Management, connectedTo, Whistleblower Protection>
+<Infrastructure Planning, engages, Driver's License Renewal>
+<Infrastructure Planning, serves, Election Management>
+<Interdepartmental Approval, connectedTo, Public Health Initiative>
+<National Defense, connectedTo, Driver's License Renewal>
+<Public Health Initiative, connectedTo, Data Publishing>
+<Service Registration, protects, Infrastructure Planning>
+<Whistleblower Protection, communicates, Code Enforcement>
diff --git a/test/mermaid/scanned_hard/mermaid_170.txt b/test/mermaid/scanned_hard/mermaid_170.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8c38d462ffdf5956a50cf7e08ffa4dcd82c128d0
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_170.txt
@@ -0,0 +1,24 @@
+<AI Behavior Programming, connectedTo, Game Performance Optimization>
+<Asset Creation, connectedTo, Engine Development>
+<Asset Creation, no, Game Design>
+<Community Management, no, Player Progression Systems>
+<Community Management, partOf, Storytelling>
+<Engine Development, connectedTo, end>
+<Game Analytics, connectedTo, Asset Creation>
+<Game Analytics, connectedTo, Engine Development>
+<Game Analytics, connectedTo, Mobile Game Development>
+<Game Analytics, connectedTo, end>
+<Game Analytics, yes, Engine Development>
+<Game Design, connectedTo, Community Management>
+<Game Design, partOf, Storytelling>
+<Game Performance Optimization, yes, Engine Development>
+<Game Performance Optimization, yes, Game Analytics>
+<In_Game Economy Design, connectedTo, AI Behavior Programming>
+<Mobile Game Development, connectedTo, Asset Creation>
+<Multiplayer Game Development, connectedTo, Engine Development>
+<Multiplayer Game Development, no, In_Game Economy Design>
+<Player Progression Systems, connectedTo, User Experience Design>
+<Player Progression Systems, partOf, Storytelling>
+<User Experience Design, connectedTo, Mobile Game Development>
+<User Experience Design, partOf, Storytelling>
+<start, connectedTo, Multiplayer Game Development>
diff --git a/test/mermaid/scanned_hard/mermaid_171.mmd b/test/mermaid/scanned_hard/mermaid_171.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..386598bfcbecf9a546d7fe2729685a82a802cf40
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_171.mmd
@@ -0,0 +1,74 @@
+graph RL
+    N0([Virtual Reality Gaming])
+    N1[Motion Capture]
+    N2{Programming}
+    N3{Engine Development}
+    N4{Character Design}
+    N5[Physics Simulation]
+    N6[(Network Code Optimization)]
+    N7[Esports Event Organization]
+    N8([Localization])
+    N9(Sound Design)
+    N10(Asset Creation)
+    N11([end])
+    S0(( ))
+    subgraph User Experience Design
+        nest0_0(Bug Fixing)
+        nest0_1(User Interface Design)
+    end
+    N0 -.-> N1
+    N1 -.-> |localizes| N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> |researches| N8
+    N8 -.-> |sounds| N9
+    N9 --> N10
+    N10 --> N11
+    nest0_0 --> |updates| nest0_1
+    N10 -.-> nest0_0
+    nest0_1 -.-> N11
+    N7 -.-> S0
+    S0 --> N10
+    S0 --> N9
+    N11 -.-> N2
+    N3 -.-> nest0_0
+    nest0_1 -.-> N7
+    style N0 fill:#FCE4EC,stroke:#F06292
+    style N1 fill:#FFFDE0,stroke:#FFF8A6
+    style N2 fill:#FFFCE6,stroke:#FFF9AE
+    style N3 fill:#FFFCE6,stroke:#FFF9AE
+    style N4 fill:#FFFDE0,stroke:#FFF8A6
+    style N5 fill:#FCE4EC,stroke:#F06292
+    style N6 fill:#FFFCE6,stroke:#FFF9AE
+    style N7 fill:#FFFCE6,stroke:#FFF9AE
+    style N8 fill:#FCE4EC,stroke:#F06292
+    style N9 fill:#FFFDE0,stroke:#FFF8A6
+    style N10 fill:#FFFCE6,stroke:#FFF9AE
+    style N11 fill:#FFFDE0,stroke:#FFF8A6
+    style S0 fill:#FCE4EC,stroke:#F06292
+    style nest0_0 fill:#FCE4EC,stroke:#F06292
+    style nest0_1 fill:#FCE4EC,stroke:#F06292
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFF8A6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_171.txt b/test/mermaid/scanned_hard/mermaid_171.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fa143163bba03345b51a9115f221bfb2fec1e138
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_171.txt
@@ -0,0 +1,21 @@
+<Asset Creation, connectedTo, Bug Fixing>
+<Asset Creation, connectedTo, end>
+<Bug Fixing, partOf, User Experience Design>
+<Bug Fixing, updates, User Interface Design>
+<Character Design, connectedTo, Physics Simulation>
+<Engine Development, connectedTo, Bug Fixing>
+<Engine Development, connectedTo, Character Design>
+<Esports Event Organization, connectedTo, Asset Creation>
+<Esports Event Organization, connectedTo, Sound Design>
+<Esports Event Organization, researches, Localization>
+<Localization, sounds, Sound Design>
+<Motion Capture, localizes, Programming>
+<Network Code Optimization, connectedTo, Esports Event Organization>
+<Physics Simulation, connectedTo, Network Code Optimization>
+<Programming, connectedTo, Engine Development>
+<Sound Design, connectedTo, Asset Creation>
+<User Interface Design, connectedTo, Esports Event Organization>
+<User Interface Design, connectedTo, end>
+<User Interface Design, partOf, User Experience Design>
+<Virtual Reality Gaming, connectedTo, Motion Capture>
+<end, connectedTo, Programming>
diff --git a/test/mermaid/scanned_hard/mermaid_172.txt b/test/mermaid/scanned_hard/mermaid_172.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7954c31acb7002f1d572258fc2895fd0439d9cc9
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_172.txt
@@ -0,0 +1,23 @@
+<A&R, connectedTo, Arrangement>
+<Arrangement, connectedTo, end>
+<Copyright Management, connectedTo, Mastering>
+<Copyright Management, connectedTo, Music Distribution>
+<Lyric Writing, yes, Copyright Management>
+<Mastering, connectedTo, Arrangement>
+<Mastering, connectedTo, end>
+<Mastering, yes, A&R>
+<Mixing, connectedTo, Lyric Writing>
+<Music Distribution, connectedTo, Synthesizer Programming>
+<Music Distribution, partOf, Record Label Operations>
+<Music Licensing, connectedTo, Arrangement>
+<Music Licensing, connectedTo, Performance>
+<Music Licensing, no, Mastering>
+<Performance, connectedTo, Mixing>
+<Performance, yes, Tour Management>
+<Sound System Design, no, Streaming Platform Management>
+<Streaming Platform Management, yes, Mixing>
+<Synthesizer Programming, partOf, Record Label Operations>
+<Synthesizer Programming, yes, Tour Management>
+<Tour Management, connectedTo, Sound System Design>
+<start, connectedTo, Music Licensing>
+<start, no, Mixing>
diff --git a/test/mermaid/scanned_hard/mermaid_173.mmd b/test/mermaid/scanned_hard/mermaid_173.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a73f1c0924c30d116a50be5bdbdf52d3a29e990f
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_173.mmd
@@ -0,0 +1,90 @@
+graph TD
+    N0([Sound System Design])
+    N1(Music Therapy)
+    N2(Music for Film or TV or Games)
+    N3{Music Licensing}
+    N4([Music Theory Analysis])
+    N5[Royalty Collection]
+    N6[Sound Design for Media]
+    N7{Beat Making}
+    N8[Vocal Performance]
+    N9[/Sampling/]
+    N10([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Music Production
+        nest0_0(Artist Management)
+        nest0_1[Music Education]
+    end
+    N0 --> N1
+    N1 -.-> |markets| N2
+    N2 --> |educates| N3
+    N3 --> |teaches| N4
+    N4 --> N5
+    N5 -.-> |promotes| N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> N10
+    nest0_0 -.-> |collaborates| nest0_1
+    N8 --> nest0_0
+    nest0_1 -.-> N2
+    N0 --> S0
+    S0 -.-> N3
+    S0 --> |syncs| N8
+    N7 --> S1
+    S1 --> |funds| N10
+    S1 -.-> |manages| N9
+    N1 --> M0
+    N7 --> M0
+    M0 -.-> N9
+    N3 --> M1
+    N1 --> M1
+    N2 --> M1
+    M1 -.-> N6
+    style N0 fill:#FFCDD2,stroke:#F44336
+    style N1 fill:#FFCDD2,stroke:#F44336
+    style N2 fill:#FFCDD2,stroke:#F44336
+    style N3 fill:#FFCDD2,stroke:#F44336
+    style N4 fill:#FFCDD2,stroke:#F44336
+    style N5 fill:#E1BEE7,stroke:#9C27B0
+    style N6 fill:#E1BEE7,stroke:#9C27B0
+    style N7 fill:#FFCCBC,stroke:#FF5722
+    style N8 fill:#FFCCBC,stroke:#FF5722
+    style N9 fill:#FFCCBC,stroke:#FF5722
+    style N10 fill:#FFCCBC,stroke:#FF5722
+    style S0 fill:#FFCDD2,stroke:#F44336
+    style S1 fill:#FFCCBC,stroke:#FF5722
+    style M0 fill:#E1BEE7,stroke:#9C27B0
+    style M1 fill:#FFCCBC,stroke:#FF5722
+    style nest0_0 fill:#FFCCBC,stroke:#FF5722
+    style nest0_1 fill:#FFCCBC,stroke:#FF5722
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#9C27B0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_174.txt b/test/mermaid/scanned_hard/mermaid_174.txt
new file mode 100644
index 0000000000000000000000000000000000000000..723d7e3da453d9d85910f2a5db41510a4b67daa6
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_174.txt
@@ -0,0 +1,22 @@
+<A&R, connectedTo, Copyright Management>
+<Arrangement, connectedTo, end>
+<Artist Management, yes, Royalty Collection>
+<Concert Promotion, yes, Music Therapy>
+<Copyright Management, connectedTo, Ticketing>
+<Digital Audio Workstation Operation, partOf, Music Publishing>
+<Digital Audio Workstation Operation, yes, Vocal Performance>
+<Instrumental Performance, connectedTo, Digital Audio Workstation Operation>
+<Instrumental Performance, yes, Artist Management>
+<Music Therapy, yes, Instrumental Performance>
+<Music for Film or TV or Games, connectedTo, Synthesizer Programming>
+<Royalty Collection, connectedTo, Copyright Management>
+<Royalty Collection, connectedTo, Music for Film or TV or Games>
+<Royalty Collection, connectedTo, Ticketing>
+<Sound Design for Media, connectedTo, Music Therapy>
+<Sound Design for Media, yes, Concert Promotion>
+<Synthesizer Programming, no, A&R>
+<Ticketing, no, Arrangement>
+<Vocal Performance, connectedTo, Arrangement>
+<Vocal Performance, partOf, Music Publishing>
+<start, connectedTo, Music Therapy>
+<start, connectedTo, Sound Design for Media>
diff --git a/test/mermaid/scanned_hard/mermaid_175.mmd b/test/mermaid/scanned_hard/mermaid_175.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0d0d8236673990f63a07ae03d8fbc62a3711505e
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_175.mmd
@@ -0,0 +1,76 @@
+graph LR
+    N0([Film Festival Submission])
+    N1[[Production Accounting]]
+    N2[Lighting Design]
+    N3([Remote Collaboration Tools])
+    N4[Visual Effects]
+    N5[(Distribution Strategy)]
+    N6([Makeup and Hair Design])
+    N7{Budget Management}
+    N8[Color Grading]
+    N9[(Script Development)]
+    N10(Special Effects)
+    N11([Art Direction])
+    S0(( ))
+    M0(( ))
+    subgraph Digital Asset Management
+        nest0_0([Post_production Audio])
+        nest0_1(Tax Incentive Management)
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> |animates| N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    nest0_0 -.-> |sounds| nest0_1
+    N9 --> |post_produces| nest0_0
+    nest0_1 --> |coordinates| N1
+    N3 --> S0
+    S0 --> N11
+    S0 -.-> N6
+    N0 --> |shoots| M0
+    N8 --> M0
+    M0 --> N10
+    style N0 fill:#BBDEFB,stroke:#2196F3
+    style N1 fill:#BBDEFB,stroke:#2196F3
+    style N2 fill:#FFF3E0,stroke:#FFA726
+    style N3 fill:#BBDEFB,stroke:#2196F3
+    style N4 fill:#E0F2F1,stroke:#26A69A
+    style N5 fill:#FFF3E0,stroke:#FFA726
+    style N6 fill:#BBDEFB,stroke:#2196F3
+    style N7 fill:#BBDEFB,stroke:#2196F3
+    style N8 fill:#FFF3E0,stroke:#FFA726
+    style N9 fill:#E0F2F1,stroke:#26A69A
+    style N10 fill:#E0F2F1,stroke:#26A69A
+    style N11 fill:#E0F2F1,stroke:#26A69A
+    style S0 fill:#E0F2F1,stroke:#26A69A
+    style M0 fill:#FFF3E0,stroke:#FFA726
+    style nest0_0 fill:#BBDEFB,stroke:#2196F3
+    style nest0_1 fill:#E0F2F1,stroke:#26A69A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFA726,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_175.txt b/test/mermaid/scanned_hard/mermaid_175.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f1d4d686304917d5870cdfa2fabbef21ba150b56
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_175.txt
@@ -0,0 +1,20 @@
+<Budget Management, connectedTo, Color Grading>
+<Color Grading, connectedTo, Script Development>
+<Color Grading, connectedTo, Special Effects>
+<Distribution Strategy, connectedTo, Makeup and Hair Design>
+<Film Festival Submission, connectedTo, Production Accounting>
+<Film Festival Submission, shoots, Special Effects>
+<Lighting Design, connectedTo, Remote Collaboration Tools>
+<Makeup and Hair Design, connectedTo, Budget Management>
+<Post_production Audio, partOf, Digital Asset Management>
+<Post_production Audio, sounds, Tax Incentive Management>
+<Production Accounting, connectedTo, Lighting Design>
+<Remote Collaboration Tools, connectedTo, Art Direction>
+<Remote Collaboration Tools, connectedTo, Makeup and Hair Design>
+<Remote Collaboration Tools, connectedTo, Visual Effects>
+<Script Development, connectedTo, Special Effects>
+<Script Development, post_produces, Post_production Audio>
+<Special Effects, connectedTo, Art Direction>
+<Tax Incentive Management, coordinates, Production Accounting>
+<Tax Incentive Management, partOf, Digital Asset Management>
+<Visual Effects, animates, Distribution Strategy>
diff --git a/test/mermaid/scanned_hard/mermaid_176.txt b/test/mermaid/scanned_hard/mermaid_176.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d3fc60db4b430d8571e3cd2e1d64e319a6f6ce3d
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_176.txt
@@ -0,0 +1,18 @@
+<Art Direction, no, Special Effects>
+<Distribution Strategy, connectedTo, Production Scheduling>
+<Distribution Strategy, partOf, Cinematography>
+<Location Scouting, connectedTo, Art Direction>
+<Location Scouting, partOf, Cinematography>
+<Production Scheduling, connectedTo, Location Scouting>
+<Production Scheduling, partOf, Cinematography>
+<Screenwriting Workshops, connectedTo, Art Direction>
+<Screenwriting Workshops, connectedTo, Script Development>
+<Screenwriting Workshops, connectedTo, Special Effects>
+<Script Development, connectedTo, Art Direction>
+<Script Development, no, Distribution Strategy>
+<Script Development, no, Tax Incentive Management>
+<Special Effects, connectedTo, Storyboarding>
+<Storyboarding, no, Tax Incentive Management>
+<Tax Incentive Management, connectedTo, Storyboarding>
+<Tax Incentive Management, connectedTo, end>
+<start, connectedTo, Screenwriting Workshops>
diff --git a/test/mermaid/scanned_hard/mermaid_177.mmd b/test/mermaid/scanned_hard/mermaid_177.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..cc41b328fd7e46f2d3afa553033b4fc064a81ae9
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_177.mmd
@@ -0,0 +1,78 @@
+graph BT
+    N0([Production Scheduling])
+    N1[[Distribution Strategy]]
+    N2[Marketing and Publicity]
+    N3[(Color Grading)]
+    N4{Post_production Audio}
+    N5[(Storyboarding)]
+    N6[[Legal Compliance]]
+    N7(Stunt Coordination)
+    N8[Screenwriting Workshops]
+    N9{Insurance Management}
+    N10([end])
+    S0(( ))
+    S1(( ))
+    subgraph Film Financing
+        nest0_0([Virtual Production Techniques])
+        nest0_1(Special Effects)
+        nest0_2[(Art Direction)]
+    end
+    N0 -.-> |animates| N1
+    N1 --> N2
+    N2 -.-> |budgets| N3
+    N3 --> N4
+    N4 --> |writes| N5
+    N5 --> |edits| N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> N10
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    N9 --> nest0_0
+    nest0_2 --> N5
+    N1 -.-> S0
+    S0 --> N9
+    S0 -.-> |builds| N4
+    S0 --> N8
+    N3 --> S1
+    S1 -.-> N8
+    S1 -.-> N9
+    style N0 fill:#F6F6F6,stroke:#CFCFCF
+    style N1 fill:#F6F6F6,stroke:#CFCFCF
+    style N2 fill:#F6F6F6,stroke:#CFCFCF
+    style N3 fill:#D7CCC8,stroke:#795548
+    style N4 fill:#D7CCC8,stroke:#795548
+    style N5 fill:#EFEBE9,stroke:#A1887F
+    style N6 fill:#EFEBE9,stroke:#A1887F
+    style N7 fill:#D7CCC8,stroke:#795548
+    style N8 fill:#F6F6F6,stroke:#CFCFCF
+    style N9 fill:#D7CCC8,stroke:#795548
+    style N10 fill:#F6F6F6,stroke:#CFCFCF
+    style S0 fill:#F6F6F6,stroke:#CFCFCF
+    style S1 fill:#D7CCC8,stroke:#795548
+    style nest0_0 fill:#D7CCC8,stroke:#795548
+    style nest0_1 fill:#F6F6F6,stroke:#CFCFCF
+    style nest0_2 fill:#F6F6F6,stroke:#CFCFCF
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_177.txt b/test/mermaid/scanned_hard/mermaid_177.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b977a7d80cdb5ffc7ae774bc30916396b97833e7
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_177.txt
@@ -0,0 +1,22 @@
+<Art Direction, connectedTo, Storyboarding>
+<Art Direction, partOf, Film Financing>
+<Color Grading, connectedTo, Insurance Management>
+<Color Grading, connectedTo, Post_production Audio>
+<Color Grading, connectedTo, Screenwriting Workshops>
+<Distribution Strategy, builds, Post_production Audio>
+<Distribution Strategy, connectedTo, Insurance Management>
+<Distribution Strategy, connectedTo, Marketing and Publicity>
+<Distribution Strategy, connectedTo, Screenwriting Workshops>
+<Insurance Management, connectedTo, Virtual Production Techniques>
+<Insurance Management, connectedTo, end>
+<Legal Compliance, connectedTo, Stunt Coordination>
+<Marketing and Publicity, budgets, Color Grading>
+<Post_production Audio, writes, Storyboarding>
+<Production Scheduling, animates, Distribution Strategy>
+<Screenwriting Workshops, connectedTo, Insurance Management>
+<Special Effects, connectedTo, Art Direction>
+<Special Effects, partOf, Film Financing>
+<Storyboarding, edits, Legal Compliance>
+<Stunt Coordination, connectedTo, Screenwriting Workshops>
+<Virtual Production Techniques, connectedTo, Special Effects>
+<Virtual Production Techniques, partOf, Film Financing>
diff --git a/test/mermaid/scanned_hard/mermaid_178.txt b/test/mermaid/scanned_hard/mermaid_178.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a312ad7bbb65ebe8374034e26b939383f07533a8
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_178.txt
@@ -0,0 +1,23 @@
+<Audio Recording, partOf, Webinar Hosting>
+<Audio Recording, personalizes, Copywriting>
+<Content Management System Operation, connectedTo, Graphic Design>
+<Copywriting, translates, Video Scripting>
+<Editing and Proofreading, connectedTo, Social Media Post Creation>
+<Graphic Design, connectedTo, Live Streaming Content>
+<Graphic Design, localizes, Editing and Proofreading>
+<Interactive Content Development, collaborates, Copywriting>
+<Live Streaming Content, connectedTo, Transcribing Audio or Video>
+<Photography, supports, Research and Outline>
+<Research and Outline, connectedTo, Editing and Proofreading>
+<Research and Outline, measures, Content Management System Operation>
+<Search Engine Optimization, connectedTo, Audio Recording>
+<Search Engine Optimization, partOf, Webinar Hosting>
+<Social Media Post Creation, connectedTo, Distribution Planning>
+<Transcribing Audio or Video, shares, Editing and Proofreading>
+<Video Scripting, connectedTo, Photography>
+<Video Scripting, connectedTo, Search Engine Optimization>
+<start, connectedTo, Editing and Proofreading>
+<start, connectedTo, Interactive Content Development>
+<start, connectedTo, Live Streaming Content>
+<start, films, Social Media Post Creation>
+<start, monetizes, Editing and Proofreading>
diff --git a/test/mermaid/scanned_hard/mermaid_179.mmd b/test/mermaid/scanned_hard/mermaid_179.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..9007db0328b83a01c077f53438ccb3c89ea23ed1
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_179.mmd
@@ -0,0 +1,56 @@
+graph BT
+    N0([Video Scripting])
+    N1[(Photography)]
+    N2(User_Generated Content Curation)
+    N3[/Call to Action Design/]
+    N4([Fact_Checking])
+    S1(( ))
+    M1(( ))
+    subgraph Animation
+        nest0_0[Plagiarism Checking]
+        nest0_1{Content Repurposing}
+        nest0_2(Content Management System Operation)
+        nest0_3[Keyword Research]
+    end
+    N0 --> |engages| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> nest0_3
+    N1 --> nest0_0
+    nest0_3 --> N1
+    N0 --> S1
+    S1 --> N2
+    S1 --> N4
+    N2 --> |translates| M1
+    N1 --> |illustrates| M1
+    M1 --> N4
+    style N0 fill:#C8EDFF,stroke:#82DAFF
+    style N1 fill:#F1F8E9,stroke:#388E3C
+    style N2 fill:#C8EDFF,stroke:#82DAFF
+    style N3 fill:#C8EDFF,stroke:#82DAFF
+    style N4 fill:#F1F8E9,stroke:#388E3C
+    style S1 fill:#C8EDFF,stroke:#82DAFF
+    style M1 fill:#DED7F0,stroke:#A188DB
+    style nest0_0 fill:#F1F8E9,stroke:#388E3C
+    style nest0_1 fill:#F1F8E9,stroke:#388E3C
+    style nest0_2 fill:#F1F8E9,stroke:#388E3C
+    style nest0_3 fill:#DED7F0,stroke:#A188DB
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_180.txt b/test/mermaid/scanned_hard/mermaid_180.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8d8ce7ebcd774b67091df76514e2ac220206ce81
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_180.txt
@@ -0,0 +1,19 @@
+<Audience Engagement, podcasts, Newsletter Creation>
+<Content Strategy Development, optimizes, Webinar Hosting>
+<Distribution Planning, connectedTo, Social Media Post Creation>
+<Distribution Planning, partOf, Content Management System Operation>
+<Interactive Content Development, connectedTo, Content Strategy Development>
+<Interactive Content Development, supports, Webinar Hosting>
+<Live Streaming Content, narrates, Video Scripting>
+<Monetization Strategy, connectedTo, Content Strategy Development>
+<Monetization Strategy, partOf, Content Management System Operation>
+<Newsletter Creation, collaborates, Video Scripting>
+<Newsletter Creation, connectedTo, Animation>
+<Newsletter Creation, connectedTo, Live Streaming Content>
+<Social Media Post Creation, connectedTo, Monetization Strategy>
+<Social Media Post Creation, partOf, Content Management System Operation>
+<Video Scripting, connectedTo, Animation>
+<Webinar Hosting, connectedTo, Audience Engagement>
+<Webinar Hosting, connectedTo, Distribution Planning>
+<start, connectedTo, Interactive Content Development>
+<start, connectedTo, Webinar Hosting>
diff --git a/test/mermaid/scanned_hard/mermaid_181.mmd b/test/mermaid/scanned_hard/mermaid_181.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d29b24eb924fc3e81a3e5de7f36721cd4a0b964f
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_181.mmd
@@ -0,0 +1,72 @@
+graph TD
+    N0([Natural Language Processing for Data])
+    N1[/HR Data Analytics/]
+    N2[/Data Security Best Practices/]
+    N3[[Supply Chain Analytics]]
+    N4{Time Series Forecasting}
+    N5{Geospatial Analysis}
+    N6(Data Mining)
+    N7[/Customer Analytics/]
+    N8(Data Visualization)
+    N9(Statistical Modeling)
+    N10([Dashboard Creation])
+    S0(( ))
+    S1(( ))
+    subgraph Data Collection
+        nest0_0[/ETL Process Management/]
+        nest0_1[/Healthcare Data Analysis/]
+    end
+    N0 -.-> |tracks| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> |correlates| N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> |measures| N10
+    nest0_0 --> nest0_1
+    N1 --> nest0_0
+    nest0_1 --> N5
+    N3 -.-> S0
+    S0 -.-> |segments| N8
+    S0 -.-> |researches| N9
+    N4 -.-> S1
+    S1 -.-> N8
+    S1 --> N10
+    style N0 fill:#FAEBF3,stroke:#F7BEE0
+    style N1 fill:#FFDAB9,stroke:#FFC085
+    style N2 fill:#EBEBEB,stroke:#E0E0E0
+    style N3 fill:#FAEBF3,stroke:#F7BEE0
+    style N4 fill:#EBEBEB,stroke:#E0E0E0
+    style N5 fill:#EBEBEB,stroke:#E0E0E0
+    style N6 fill:#EBEBEB,stroke:#E0E0E0
+    style N7 fill:#FFDAB9,stroke:#FFC085
+    style N8 fill:#FAEBF3,stroke:#F7BEE0
+    style N9 fill:#FAEBF3,stroke:#F7BEE0
+    style N10 fill:#FFDAB9,stroke:#FFC085
+    style S0 fill:#FFDAB9,stroke:#FFC085
+    style S1 fill:#FFDAB9,stroke:#FFC085
+    style nest0_0 fill:#FAEBF3,stroke:#F7BEE0
+    style nest0_1 fill:#FFDAB9,stroke:#FFC085
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFC085,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_182.txt b/test/mermaid/scanned_hard/mermaid_182.txt
new file mode 100644
index 0000000000000000000000000000000000000000..636ca8d250d99a1ee7454428f2d317b5d5c5938c
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_182.txt
@@ -0,0 +1,20 @@
+<Dashboard Creation, no, Data Cleaning>
+<Data Cleaning, no, Data Security Best Practices>
+<Data Mining, connectedTo, HR Data Analytics>
+<Data Security Best Practices, connectedTo, Social Media Analytics>
+<Geospatial Analysis, connectedTo, Machine Learning Integration>
+<HR Data Analytics, connectedTo, Predictive Analytics>
+<HR Data Analytics, connectedTo, Sentiment Analysis>
+<Machine Learning Integration, connectedTo, end>
+<Predictive Analytics, connectedTo, Geospatial Analysis>
+<Sentiment Analysis, connectedTo, Web Analytics>
+<Sentiment Analysis, partOf, Statistical Modeling>
+<Social Media Analytics, connectedTo, Data Mining>
+<Web Analytics, connectedTo, Data Cleaning>
+<Web Analytics, partOf, Statistical Modeling>
+<start, connectedTo, Data Cleaning>
+<start, connectedTo, Data Mining>
+<start, connectedTo, Geospatial Analysis>
+<start, no, Dashboard Creation>
+<start, no, end>
+<start, yes, Data Mining>
diff --git a/test/mermaid/scanned_hard/mermaid_184.mmd b/test/mermaid/scanned_hard/mermaid_184.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..8c522718318e78add515af753ca1941b64e77052
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_184.mmd
@@ -0,0 +1,76 @@
+graph TD
+    N0([Customer Behavior Insights])
+    N1[HR Analytics Dashboards]
+    N2{Performance Monitoring}
+    N3[[Risk Assessment Reporting]]
+    N4[/Budget Performance Analysis/]
+    N5(OLAP Cube Creation)
+    N6(Strategic Planning Support)
+    N7([Real_time BI Dashboards])
+    N8{Mobile BI Development}
+    N9([end])
+    S0(( ))
+    M0(( ))
+    subgraph Data Lineage Tracking
+        nest0_0[[Data Mart Design]]
+        nest0_1{Data Source Integration}
+        nest0_2([Dashboard Design])
+        nest0_3[/Market Trend Analysis/]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> |measures| N5
+    N5 --> N6
+    N6 --> |dashboards| N7
+    N7 --> |defines| N8
+    N8 --> N9
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> nest0_3
+    N5 -.-> nest0_0
+    nest0_3 -.-> |transforms| N6
+    N5 -.-> S0
+    S0 -.-> N7
+    S0 -.-> N9
+    N2 --> |controls| M0
+    N0 -.-> M0
+    M0 -.-> N5
+    style N0 fill:#F1F8E9,stroke:#81C784
+    style N1 fill:#F1F8FF,stroke:#42A5F5
+    style N2 fill:#F1F8E9,stroke:#81C784
+    style N3 fill:#F0F0F0,stroke:#D2D2D2
+    style N4 fill:#F1F8FF,stroke:#42A5F5
+    style N5 fill:#F1F8FF,stroke:#42A5F5
+    style N6 fill:#F1F8FF,stroke:#42A5F5
+    style N7 fill:#F1F8E9,stroke:#81C784
+    style N8 fill:#F1F8E9,stroke:#81C784
+    style N9 fill:#F0F0F0,stroke:#D2D2D2
+    style S0 fill:#F1F8FF,stroke:#42A5F5
+    style M0 fill:#F1F8FF,stroke:#42A5F5
+    style nest0_0 fill:#F0F0F0,stroke:#D2D2D2
+    style nest0_1 fill:#F1F8FF,stroke:#42A5F5
+    style nest0_2 fill:#F1F8E9,stroke:#81C784
+    style nest0_3 fill:#F1F8E9,stroke:#81C784
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#42A5F5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_185.mmd b/test/mermaid/scanned_hard/mermaid_185.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..bbe25f1274c3471ce4ac2c1ec3506927ea1b4cf4
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_185.mmd
@@ -0,0 +1,74 @@
+graph TD
+    N0([start])
+    N1([Prescriptive Analytics Implementation])
+    N2([BI Platform Administration])
+    N3(User Training and Support)
+    N4[/Sales Forecasting/]
+    N5[Real_time BI Dashboards]
+    N6(Strategic Planning Support)
+    N7(Self_Service BI Tools)
+    N8[HR Analytics Dashboards]
+    N9([end])
+    S0(( ))
+    S1(( ))
+    subgraph Risk Assessment Reporting
+        nest0_0[Mobile BI Development]
+        nest0_1(Data Source Integration)
+        nest0_2[[Customer Behavior Insights]]
+    end
+    N0 -.-> N1
+    N1 -.-> |communicates| N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> N9
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    N4 -.-> nest0_0
+    nest0_2 --> |manages| N6
+    N3 --> S0
+    S0 -.-> N9
+    S0 --> |benchmarks| N5
+    N4 -.-> S1
+    S1 -.-> N7
+    S1 --> N9
+    N3 --> |transforms| N1
+    style N0 fill:#FFE88D,stroke:#FFDA4E
+    style N1 fill:#EFEBE9,stroke:#A1887F
+    style N2 fill:#FFE88D,stroke:#FFDA4E
+    style N3 fill:#B2EBF2,stroke:#00BCD4
+    style N4 fill:#FFE88D,stroke:#FFDA4E
+    style N5 fill:#FFE88D,stroke:#FFDA4E
+    style N6 fill:#EFEBE9,stroke:#A1887F
+    style N7 fill:#EFEBE9,stroke:#A1887F
+    style N8 fill:#FFE88D,stroke:#FFDA4E
+    style N9 fill:#B2EBF2,stroke:#00BCD4
+    style S0 fill:#FFE88D,stroke:#FFDA4E
+    style S1 fill:#EFEBE9,stroke:#A1887F
+    style nest0_0 fill:#B2EBF2,stroke:#00BCD4
+    style nest0_1 fill:#B2EBF2,stroke:#00BCD4
+    style nest0_2 fill:#EFEBE9,stroke:#A1887F
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFDA4E,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_185.txt b/test/mermaid/scanned_hard/mermaid_185.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8305e45a13bf4b169b8e741a3c2e43ae2f8407a4
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_185.txt
@@ -0,0 +1,21 @@
+<BI Platform Administration, connectedTo, User Training and Support>
+<Customer Behavior Insights, manages, Strategic Planning Support>
+<Customer Behavior Insights, partOf, Risk Assessment Reporting>
+<Data Source Integration, connectedTo, Customer Behavior Insights>
+<Data Source Integration, partOf, Risk Assessment Reporting>
+<HR Analytics Dashboards, connectedTo, end>
+<Mobile BI Development, connectedTo, Data Source Integration>
+<Mobile BI Development, partOf, Risk Assessment Reporting>
+<Prescriptive Analytics Implementation, communicates, BI Platform Administration>
+<Real_time BI Dashboards, connectedTo, Strategic Planning Support>
+<Sales Forecasting, connectedTo, Mobile BI Development>
+<Sales Forecasting, connectedTo, Real_time BI Dashboards>
+<Sales Forecasting, connectedTo, Self_Service BI Tools>
+<Sales Forecasting, connectedTo, end>
+<Self_Service BI Tools, connectedTo, HR Analytics Dashboards>
+<Strategic Planning Support, connectedTo, Self_Service BI Tools>
+<User Training and Support, benchmarks, Real_time BI Dashboards>
+<User Training and Support, connectedTo, Sales Forecasting>
+<User Training and Support, connectedTo, end>
+<User Training and Support, transforms, Prescriptive Analytics Implementation>
+<start, connectedTo, Prescriptive Analytics Implementation>
diff --git a/test/mermaid/scanned_hard/mermaid_186.mmd b/test/mermaid/scanned_hard/mermaid_186.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..725c7fd6a8c1160fe2d352ccfe70ed5e4cf33b46
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_186.mmd
@@ -0,0 +1,59 @@
+graph LR
+    N0([start])
+    N1[(Master Data Management)]
+    N2([Data Quality Management])
+    N3(Market Trend Analysis)
+    N4([Actionable Insights Generation])
+    N5{Performance Monitoring}
+    N6[/Budget Performance Analysis/]
+    N7(Data Mart Design)
+    N8([end])
+    S0(( ))
+    M0(( ))
+    subgraph Sales Forecasting
+        nest0_0[/Financial Performance Reporting/]
+        nest0_1([Customer Behavior Insights])
+        nest0_2(Self_Service BI Tools)
+        nest0_3(Supply Chain Optimization)
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> |no| nest0_3
+    N4 -.-> nest0_0
+    nest0_3 -.-> |no| N4
+    N3 --> S0
+    S0 -.-> |yes| N5
+    S0 -.-> N6
+    N4 --> M0
+    N0 -.-> |yes| M0
+    M0 -.-> N7
+    style S0 fill:#E8EAF6,stroke:#7986CB
+    style M0 fill:#B3E5FC,stroke:#03A9F4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_186.txt b/test/mermaid/scanned_hard/mermaid_186.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a113ea7cf296f8237153fa0e083f00537a97f48e
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_186.txt
@@ -0,0 +1,21 @@
+<Actionable Insights Generation, connectedTo, Data Mart Design>
+<Actionable Insights Generation, connectedTo, Financial Performance Reporting>
+<Actionable Insights Generation, connectedTo, Performance Monitoring>
+<Budget Performance Analysis, connectedTo, Data Mart Design>
+<Customer Behavior Insights, connectedTo, Self_Service BI Tools>
+<Customer Behavior Insights, partOf, Sales Forecasting>
+<Data Mart Design, connectedTo, end>
+<Data Quality Management, connectedTo, Market Trend Analysis>
+<Financial Performance Reporting, connectedTo, Customer Behavior Insights>
+<Financial Performance Reporting, partOf, Sales Forecasting>
+<Market Trend Analysis, connectedTo, Actionable Insights Generation>
+<Market Trend Analysis, connectedTo, Budget Performance Analysis>
+<Market Trend Analysis, yes, Performance Monitoring>
+<Master Data Management, connectedTo, Data Quality Management>
+<Performance Monitoring, connectedTo, Budget Performance Analysis>
+<Self_Service BI Tools, no, Supply Chain Optimization>
+<Self_Service BI Tools, partOf, Sales Forecasting>
+<Supply Chain Optimization, no, Actionable Insights Generation>
+<Supply Chain Optimization, partOf, Sales Forecasting>
+<start, connectedTo, Master Data Management>
+<start, yes, Data Mart Design>
diff --git a/test/mermaid/scanned_hard/mermaid_187.txt b/test/mermaid/scanned_hard/mermaid_187.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2e2a56246fb3884c058c763765f38f92ac15e77d
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_187.txt
@@ -0,0 +1,28 @@
+<Affiliate Marketing, connectedTo, Distribution Channel Management>
+<Brand Strategy Development, connectedTo, Event Marketing>
+<Brand Strategy Development, partOf, Marketing Budget Allocation>
+<Customer Relationship Management, connectedTo, Brand Strategy Development>
+<Customer Relationship Management, connectedTo, Partnership Marketing>
+<Direct Mail Marketing, connectedTo, Personalization Strategies>
+<Direct Mail Marketing, no, Telemarketing>
+<Distribution Channel Management, no, Influencer Marketing>
+<Event Marketing, connectedTo, Partnership Marketing>
+<Event Marketing, partOf, Marketing Budget Allocation>
+<Experiential Marketing, connectedTo, Marketing Analytics>
+<Influencer Marketing, connectedTo, Experiential Marketing>
+<Marketing Analytics, connectedTo, Customer Relationship Management>
+<Partnership Marketing, connectedTo, end>
+<Personalization Strategies, no, Telemarketing>
+<Podcast Marketing, connectedTo, Affiliate Marketing>
+<Podcast Marketing, connectedTo, Experiential Marketing>
+<Podcast Marketing, connectedTo, Influencer Marketing>
+<Podcast Marketing, no, Distribution Channel Management>
+<Pricing Strategy, connectedTo, Direct Mail Marketing>
+<Pricing Strategy, connectedTo, Telemarketing>
+<Promotional Campaigns, connectedTo, Podcast Marketing>
+<Telemarketing, connectedTo, Customer Relationship Management>
+<Telemarketing, connectedTo, Partnership Marketing>
+<Telemarketing, connectedTo, Promotional Campaigns>
+<Telemarketing, no, Affiliate Marketing>
+<start, connectedTo, Pricing Strategy>
+<start, yes, Telemarketing>
diff --git a/test/mermaid/scanned_hard/mermaid_188.mmd b/test/mermaid/scanned_hard/mermaid_188.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a2d98ac5895edc9509830da749eaa60cdb768251
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_188.mmd
@@ -0,0 +1,61 @@
+graph RL
+    N0([start])
+    N1(Product Launch Strategy)
+    N2[[Brand Reputation Management]]
+    N3([Campaign Performance Tracking])
+    N4([Competitive Analysis])
+    N5[/Market Research/]
+    N6[/Loyalty Programs/]
+    N7[/Affiliate Marketing/]
+    N8([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Marketing Budget Allocation
+        nest0_0[Partnership Marketing]
+        nest0_1[[Customer Segmentation]]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> |no| N5
+    N5 --> |yes| N6
+    N6 -.-> |no| N7
+    N7 --> N8
+    nest0_0 --> nest0_1
+    N4 -.-> nest0_0
+    nest0_1 -.-> N3
+    N1 --> S0
+    S0 -.-> N8
+    S0 -.-> N7
+    N0 -.-> S1
+    S1 -.-> N4
+    S1 --> N5
+    N0 -.-> |no| M0
+    N1 -.-> M0
+    M0 -.-> N3
+    style S0 fill:#DACBE3,stroke:#A188D0
+    style S1 fill:#EBEBEB,stroke:#E0E0E0
+    style M0 fill:#E8F5E9,stroke:#66BB6A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#A188D0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_190.txt b/test/mermaid/scanned_hard/mermaid_190.txt
new file mode 100644
index 0000000000000000000000000000000000000000..046e259bce7ab3e2a2d21059524ad6fa4859b602
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_190.txt
@@ -0,0 +1,24 @@
+<A or B Testing for Ads, connectedTo, Conversion Tracking>
+<A or B Testing for Ads, partOf, Return on Ad Spend Calculation>
+<Ad Copywriting, optimizes campaigns, end>
+<Ad Network Management, connectedTo, Ad Platform Management>
+<Ad Network Management, connectedTo, Customer Acquisition Cost Analysis>
+<Ad Platform Management, connectedTo, Search Engine Ads>
+<Conversion Tracking, connectedTo, Regulatory Compliance for Ads>
+<Conversion Tracking, partOf, Return on Ad Spend Calculation>
+<Customer Acquisition Cost Analysis, connectedTo, Interactive Ad Formats>
+<Customer Acquisition Cost Analysis, monitors competitors, A or B Testing for Ads>
+<Digital Advertising, social media ads, Ad Copywriting>
+<Interactive Ad Formats, buys media, Media Buying>
+<Media Buying, connectedTo, Ad Platform Management>
+<Native Advertising, connectedTo, Media Buying>
+<Native Advertising, partOf, Return on Ad Spend Calculation>
+<Print Advertising, connectedTo, Ad Platform Management>
+<Print Advertising, native ads, Ad Network Management>
+<Psychographic Targeting, connectedTo, Ad Copywriting>
+<Psychographic Targeting, connectedTo, Media Buying>
+<Psychographic Targeting, connectedTo, Print Advertising>
+<Regulatory Compliance for Ads, connectedTo, Native Advertising>
+<Regulatory Compliance for Ads, partOf, Return on Ad Spend Calculation>
+<Search Engine Ads, connectedTo, Digital Advertising>
+<start, manages budgets, Psychographic Targeting>
diff --git a/test/mermaid/scanned_hard/mermaid_191.mmd b/test/mermaid/scanned_hard/mermaid_191.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0be83fe9aa29bfd8ecb0a2cc182225d22c5eb666
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_191.mmd
@@ -0,0 +1,68 @@
+graph BT
+    N0([start])
+    N1(Display Advertising)
+    N2(Audience Segmentation for Ads)
+    N3[[Ad Network Management]]
+    N4([Interactive Ad Formats])
+    N5{Ad Creative Development}
+    N6([Direct Response Campaigns])
+    S0(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Media Buying
+        nest0_0(Ad Copywriting)
+        nest0_1([Programmatic Advertising])
+        nest0_2[(Brand Awareness Campaigns)]
+    end
+    N0 --> |creates ads| N1
+    N1 -.-> |detects fraud| N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N2 --> nest0_0
+    nest0_2 -.-> N6
+    N3 -.-> S0
+    S0 -.-> |manages ad networks| N6
+    S0 --> |print advertising| N5
+    N3 --> M0
+    N4 -.-> |calculates CAC| M0
+    M0 -.-> N6
+    N1 --> M1
+    N0 --> M1
+    M1 --> N5
+    style N0 fill:#D6D9F0,stroke:#9FA9E1
+    style N1 fill:#D6D9F0,stroke:#9FA9E1
+    style N2 fill:#ECEFF1,stroke:#90A4AE
+    style N3 fill:#D6D9F0,stroke:#9FA9E1
+    style N4 fill:#D1C4E9,stroke:#7E57C2
+    style N5 fill:#ECEFF1,stroke:#90A4AE
+    style N6 fill:#D1C4E9,stroke:#7E57C2
+    style S0 fill:#ECEFF1,stroke:#90A4AE
+    style M0 fill:#ECEFF1,stroke:#90A4AE
+    style M1 fill:#D6D9F0,stroke:#9FA9E1
+    style nest0_0 fill:#ECEFF1,stroke:#90A4AE
+    style nest0_1 fill:#D6D9F0,stroke:#9FA9E1
+    style nest0_2 fill:#D6D9F0,stroke:#9FA9E1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#9FA9E1,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_192.txt b/test/mermaid/scanned_hard/mermaid_192.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2c2080ac9f1d9081132d8b2dbba43f852479364f
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_192.txt
@@ -0,0 +1,24 @@
+<Ad Creative Development, connectedTo, Regulatory Compliance for Ads>
+<Ad Creative Development, partOf, Privacy Concerns in Ads>
+<Ad Platform Management, connectedTo, Psychographic Targeting>
+<Audience Segmentation for Ads, connectedTo, Search Engine Ads>
+<Audience Segmentation for Ads, generates responses, Radio Advertising>
+<Brand Awareness Campaigns, connectedTo, Competitor Ad Analysis>
+<Brand Awareness Campaigns, targets demographics, Print Advertising>
+<Campaign Planning, connectedTo, Radio Advertising>
+<Competitor Ad Analysis, programmatic ads, Ad Platform Management>
+<Demographic Targeting, connectedTo, Print Advertising>
+<Direct Response Campaigns, connectedTo, Demographic Targeting>
+<Direct Response Campaigns, connectedTo, Print Advertising>
+<Direct Response Campaigns, connectedTo, Radio Advertising>
+<Display Advertising, connectedTo, Media Buying>
+<Performance Tracking, partOf, Privacy Concerns in Ads>
+<Performance Tracking, segments audiences, Campaign Planning>
+<Print Advertising, connectedTo, Ad Creative Development>
+<Print Advertising, connectedTo, Programmatic Advertising>
+<Programmatic Advertising, connectedTo, Audience Segmentation for Ads>
+<Psychographic Targeting, connectedTo, Direct Response Campaigns>
+<Radio Advertising, connectedTo, Display Advertising>
+<Regulatory Compliance for Ads, connectedTo, Performance Tracking>
+<Regulatory Compliance for Ads, partOf, Privacy Concerns in Ads>
+<Search Engine Ads, connectedTo, Campaign Planning>
diff --git a/test/mermaid/scanned_hard/mermaid_194.txt b/test/mermaid/scanned_hard/mermaid_194.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ea15c4cd064f6f59b1268443c227add7ad0f89c8
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_194.txt
@@ -0,0 +1,25 @@
+<Consensus Mechanism Development, connectedTo, Blockchain Node Operation>
+<Cross_Border Payments, connectedTo, Zero_Knowledge Proofs>
+<Decentralized Applications Development, implements algorithms, Cross_Border Payments>
+<Decentralized Finance Protocols, connectedTo, Healthcare Data Management>
+<Decentralized Finance Protocols, partOf, Regulatory Compliance for Blockchain>
+<Digital Identity Management, identifies users, Mining Operations>
+<Governance Models for Blockchains, secures health data, Decentralized Applications Development>
+<Healthcare Data Management, connectedTo, Security Auditing for Blockchains>
+<Healthcare Data Management, partOf, Regulatory Compliance for Blockchain>
+<Identity Verification on Blockchain, connectedTo, Decentralized Finance Protocols>
+<Identity Verification on Blockchain, connectedTo, Oracles Integration>
+<Identity Verification on Blockchain, connectedTo, Scalability Solutions>
+<Mining Operations, protects IPs, Governance Models for Blockchains>
+<Oracles Integration, connectedTo, Digital Identity Management>
+<Scalability Solutions, connectedTo, Blockchain Node Operation>
+<Scalability Solutions, connectedTo, Consensus Mechanism Development>
+<Scalability Solutions, connectedTo, Zero_Knowledge Proofs>
+<Scalability Solutions, designs protocols, Oracles Integration>
+<Security Auditing for Blockchains, connectedTo, Security Token Offerings>
+<Security Auditing for Blockchains, partOf, Regulatory Compliance for Blockchain>
+<Security Token Offerings, connectedTo, Cross_Border Payments>
+<Security Token Offerings, partOf, Regulatory Compliance for Blockchain>
+<Zero_Knowledge Proofs, connectedTo, Consensus Mechanism Development>
+<start, connectedTo, Identity Verification on Blockchain>
+<start, connectedTo, Oracles Integration>
diff --git a/test/mermaid/scanned_hard/mermaid_195.mmd b/test/mermaid/scanned_hard/mermaid_195.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..219fd1a7294b0a327eb9e47156174ef2ecb903a4
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_195.mmd
@@ -0,0 +1,62 @@
+graph TD
+    N0([Scalability Solutions])
+    N1([Tokenomics Design])
+    N2(Regulatory Compliance for Blockchain)
+    N3[Enterprise Blockchain Solutions]
+    N4{Intellectual Property Management}
+    N5[Identity Verification on Blockchain]
+    N6(Distributed Ledger Technology)
+    N7[/Decentralized Finance Protocols/]
+    N8([Healthcare Data Management])
+    subgraph Consortium Blockchain Setup
+        nest0_0(Financial Asset Tokenization)
+        nest0_1(Decentralized Network Design)
+        nest0_2[/Transaction Verification/]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> |ensures interoperability| N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> |protects IPs| N7
+    N7 -.-> N8
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    N1 -.-> |conducts ICOs| nest0_0
+    nest0_2 --> N4
+    N2 --> N4
+    nest0_1 -.-> |enables voting| N7
+    N6 -.-> N8
+    N7 --> N4
+    N4 -.-> N1
+    style N0 fill:#D6D9F0,stroke:#9FA9E1
+    style N1 fill:#D6D9F0,stroke:#9FA9E1
+    style N2 fill:#FFEBEE,stroke:#E57373
+    style N3 fill:#FFEBEE,stroke:#E57373
+    style N4 fill:#D6D9F0,stroke:#9FA9E1
+    style N5 fill:#ECF0FD,stroke:#B8C0F5
+    style N6 fill:#FFEBEE,stroke:#E57373
+    style N7 fill:#ECF0FD,stroke:#B8C0F5
+    style N8 fill:#D6D9F0,stroke:#9FA9E1
+    style nest0_0 fill:#FFEBEE,stroke:#E57373
+    style nest0_1 fill:#D6D9F0,stroke:#9FA9E1
+    style nest0_2 fill:#ECF0FD,stroke:#B8C0F5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_195.txt b/test/mermaid/scanned_hard/mermaid_195.txt
new file mode 100644
index 0000000000000000000000000000000000000000..edaf0d0ae2f5b0740bf3acc0174ac58d1a7c3a42
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_195.txt
@@ -0,0 +1,20 @@
+<Decentralized Finance Protocols, connectedTo, Healthcare Data Management>
+<Decentralized Finance Protocols, connectedTo, Intellectual Property Management>
+<Decentralized Network Design, connectedTo, Transaction Verification>
+<Decentralized Network Design, enables voting, Decentralized Finance Protocols>
+<Decentralized Network Design, partOf, Consortium Blockchain Setup>
+<Distributed Ledger Technology, connectedTo, Healthcare Data Management>
+<Distributed Ledger Technology, protects IPs, Decentralized Finance Protocols>
+<Enterprise Blockchain Solutions, ensures interoperability, Intellectual Property Management>
+<Financial Asset Tokenization, connectedTo, Decentralized Network Design>
+<Financial Asset Tokenization, partOf, Consortium Blockchain Setup>
+<Identity Verification on Blockchain, connectedTo, Distributed Ledger Technology>
+<Intellectual Property Management, connectedTo, Identity Verification on Blockchain>
+<Intellectual Property Management, connectedTo, Tokenomics Design>
+<Regulatory Compliance for Blockchain, connectedTo, Enterprise Blockchain Solutions>
+<Regulatory Compliance for Blockchain, connectedTo, Intellectual Property Management>
+<Scalability Solutions, connectedTo, Tokenomics Design>
+<Tokenomics Design, conducts ICOs, Financial Asset Tokenization>
+<Tokenomics Design, connectedTo, Regulatory Compliance for Blockchain>
+<Transaction Verification, connectedTo, Intellectual Property Management>
+<Transaction Verification, partOf, Consortium Blockchain Setup>
diff --git a/test/mermaid/scanned_hard/mermaid_196.mmd b/test/mermaid/scanned_hard/mermaid_196.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..070e8fe35d1682a32618b627197936501a4b46c4
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_196.mmd
@@ -0,0 +1,73 @@
+graph TD
+    N0([start])
+    N1[/Smart Contract Auditing/]
+    N2(Liquidity Provision)
+    N3{Web3 Integration}
+    N4[Portfolio Management]
+    N5(Fiat On or Off Ramps)
+    N6[[Legal Advisory for Crypto]]
+    N7(Airdrop Campaigns)
+    N8[Key Management]
+    N9[Cross_chain Swaps]
+    N10([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Stablecoin Design
+        nest0_0{Cryptocurrency Education}
+        nest0_1(Cold Storage Solutions)
+        nest0_2[/Hot Wallet Security/]
+        nest0_3([Tax Reporting for Crypto])
+    end
+    N0 -.-> N1
+    N1 -.-> |no| N2
+    N2 -.-> N3
+    N3 -.-> |no| N4
+    N4 --> N5
+    N5 -.-> |no| N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> N10
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> |yes| nest0_3
+    N1 --> nest0_0
+    nest0_3 --> |yes| N2
+    N2 -.-> S0
+    S0 --> N9
+    S0 -.-> N4
+    N6 --> S1
+    S1 --> |yes| N8
+    S1 -.-> N9
+    N0 --> M0
+    N1 -.-> M0
+    M0 -.-> N3
+    style S0 fill:#E6EE9C,stroke:#CDDC39
+    style S1 fill:#EDF5F3,stroke:#A1D7CD
+    style M0 fill:#F2E6F5,stroke:#CB9BE1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#A1D7CD,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_196.txt b/test/mermaid/scanned_hard/mermaid_196.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bd1d9aacbec6e88a98f38a6148b8a9ac700c20a8
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_196.txt
@@ -0,0 +1,25 @@
+<Airdrop Campaigns, connectedTo, Key Management>
+<Cold Storage Solutions, connectedTo, Hot Wallet Security>
+<Cold Storage Solutions, partOf, Stablecoin Design>
+<Cross_chain Swaps, connectedTo, end>
+<Cryptocurrency Education, connectedTo, Cold Storage Solutions>
+<Cryptocurrency Education, partOf, Stablecoin Design>
+<Fiat On or Off Ramps, no, Legal Advisory for Crypto>
+<Hot Wallet Security, partOf, Stablecoin Design>
+<Hot Wallet Security, yes, Tax Reporting for Crypto>
+<Key Management, connectedTo, Cross_chain Swaps>
+<Legal Advisory for Crypto, connectedTo, Airdrop Campaigns>
+<Legal Advisory for Crypto, connectedTo, Cross_chain Swaps>
+<Legal Advisory for Crypto, yes, Key Management>
+<Liquidity Provision, connectedTo, Cross_chain Swaps>
+<Liquidity Provision, connectedTo, Portfolio Management>
+<Liquidity Provision, connectedTo, Web3 Integration>
+<Portfolio Management, connectedTo, Fiat On or Off Ramps>
+<Smart Contract Auditing, connectedTo, Cryptocurrency Education>
+<Smart Contract Auditing, connectedTo, Web3 Integration>
+<Smart Contract Auditing, no, Liquidity Provision>
+<Tax Reporting for Crypto, partOf, Stablecoin Design>
+<Tax Reporting for Crypto, yes, Liquidity Provision>
+<Web3 Integration, no, Portfolio Management>
+<start, connectedTo, Smart Contract Auditing>
+<start, connectedTo, Web3 Integration>
diff --git a/test/mermaid/scanned_hard/mermaid_197.txt b/test/mermaid/scanned_hard/mermaid_197.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ff103af5b7250d4c93fd768989360cf517109a28
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_197.txt
@@ -0,0 +1,23 @@
+<Blockchain Integration, connectedTo, Cold Storage Solutions>
+<Blockchain Integration, connectedTo, Venture Capital Funding>
+<Cold Storage Solutions, connectedTo, Blockchain Integration>
+<Cross_chain Swaps, yes, Liquidity Provision>
+<Cryptocurrency Education, yes, Cold Storage Solutions>
+<Cryptocurrency Trading Bots, connectedTo, Token Generation Event>
+<Cryptocurrency Trading Bots, connectedTo, end>
+<Fiat On or Off Ramps, connectedTo, Liquidity Provision>
+<Fiat On or Off Ramps, partOf, Coin Creation>
+<Initial Exchange Offering, yes, Security Audits>
+<Liquidity Provision, connectedTo, Yield Farming>
+<Regulatory Compliance, connectedTo, Initial Exchange Offering>
+<Security Audits, connectedTo, Cryptocurrency Education>
+<Stablecoin Design, no, Fiat On or Off Ramps>
+<Stablecoin Design, partOf, Coin Creation>
+<Tax Reporting for Crypto, connectedTo, Cryptocurrency Trading Bots>
+<Token Generation Event, connectedTo, Stablecoin Design>
+<Token Generation Event, partOf, Coin Creation>
+<Venture Capital Funding, no, Tax Reporting for Crypto>
+<Yield Farming, connectedTo, Cryptocurrency Education>
+<Yield Farming, connectedTo, Regulatory Compliance>
+<Yield Farming, connectedTo, Venture Capital Funding>
+<start, connectedTo, Cross_chain Swaps>
diff --git a/test/mermaid/scanned_hard/mermaid_198.mmd b/test/mermaid/scanned_hard/mermaid_198.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5fd0fb8da6678caadc97866c2fd0ee8d1e71c99b
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_198.mmd
@@ -0,0 +1,76 @@
+graph TD
+    N0([start])
+    N1(Token Generation Event)
+    N2[(Decentralized Exchange Operation)]
+    N3{Cross_chain Swaps}
+    N4[/Mining Algorithm Design/]
+    N5{Community Building}
+    N6(Blockchain Explorers)
+    N7[Yield Farming]
+    N8[[Cold Storage Solutions]]
+    N9([Airdrop Campaigns])
+    N10[[GameFi Development]]
+    N11(Transaction Processing)
+    N12([end])
+    S0(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Cryptocurrency Trading Bots
+        nest0_0(Web3 Integration)
+        nest0_1([Cryptocurrency Education])
+        nest0_2[/Legal Advisory for Crypto/]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> |no| N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    N10 --> N11
+    N11 -.-> N12
+    nest0_0 -.-> nest0_1
+    nest0_1 --> |yes| nest0_2
+    N9 -.-> |no| nest0_0
+    nest0_2 --> |no| N7
+    N4 --> S0
+    S0 --> N12
+    S0 -.-> N7
+    N8 --> M0
+    N1 -.-> M0
+    M0 -.-> N11
+    N6 -.-> M1
+    N3 -.-> |yes| M1
+    M1 --> N12
+    style S0 fill:#C8EDFF,stroke:#82DAFF
+    style M0 fill:#FCFCE7,stroke:#DCE775
+    style M1 fill:#CFD8DC,stroke:#607D8B
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#82DAFF,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_2.mmd b/test/mermaid/scanned_hard/mermaid_2.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a4cb3b9c1724db95c16400c7fb3d9d19871d8735
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_2.mmd
@@ -0,0 +1,38 @@
+graph RL
+    N0([start])
+    N1{Patient Education}
+    N2[(Lab Test)]
+    N3[/Discharge/]
+    N4(Clinical Trial)
+    N5[Allergy Test]
+    N6[Prescription]
+    N7[Device Implantation]
+    N8([Patient Intake])
+    N0 -.-> N1
+    N1 --> |schedules| N2
+    N2 -.-> |prevents| N3
+    N3 -.-> |prescribes| N4
+    N4 --> N5
+    N5 -.-> |educates| N6
+    N6 --> |counsels| N7
+    N7 -.-> N8
+    N1 -.-> N8
+    style N0 fill:#FFEBEE,stroke:#E57373
+    style N1 fill:#FFEBEE,stroke:#E57373
+    style N2 fill:#FFEBEE,stroke:#E57373
+    style N3 fill:#FFEBEE,stroke:#E57373
+    style N4 fill:#DDCEDD,stroke:#AF56A6
+    style N5 fill:#FFDAB9,stroke:#FFC085
+    style N6 fill:#DDCEDD,stroke:#AF56A6
+    style N7 fill:#FFDAB9,stroke:#FFC085
+    style N8 fill:#FFDAB9,stroke:#FFC085
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E57373,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_20.mmd b/test/mermaid/scanned_hard/mermaid_20.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..cf6a111a8d91887199a58f2a65c0261050c67fac
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_20.mmd
@@ -0,0 +1,26 @@
+graph LR
+    N0([start])
+    N1[(Rocket Assembly)]
+    N2[Drone System Development]
+    N3(Payload Integration)
+    N4{Mission Planning}
+    N5[Structural Analysis]
+    N6(Mission Debriefing)
+    N7([end])
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> |no| N4
+    N4 --> N5
+    N5 -.-> |no| N6
+    N6 -.-> |no| N7
+    N6 -.-> |yes| N2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_20.txt b/test/mermaid/scanned_hard/mermaid_20.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a797853565d713f7336cf5f4b95fea6005c9ee86
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_20.txt
@@ -0,0 +1,8 @@
+<Drone System Development, connectedTo, Payload Integration>
+<Mission Debriefing, no, end>
+<Mission Debriefing, yes, Drone System Development>
+<Mission Planning, connectedTo, Structural Analysis>
+<Payload Integration, no, Mission Planning>
+<Rocket Assembly, connectedTo, Drone System Development>
+<Structural Analysis, no, Mission Debriefing>
+<start, connectedTo, Rocket Assembly>
diff --git a/test/mermaid/scanned_hard/mermaid_200.txt b/test/mermaid/scanned_hard/mermaid_200.txt
new file mode 100644
index 0000000000000000000000000000000000000000..79016bc9b9130a6bc5a85fc176664ddcb01b40e5
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_200.txt
@@ -0,0 +1,22 @@
+<Campaign Creation, connectedTo, Post_Campaign Updates>
+<Campaign Creation, connectedTo, Shareholder Management>
+<Community Building, connectedTo, Campaign Creation>
+<Customer Support for Backers, connectedTo, Project Vetting>
+<Due Diligence for Projects, connectedTo, Community Building>
+<Due Diligence for Projects, connectedTo, Shareholder Management>
+<Due Diligence for Projects, plans promotions, Shareholder Management>
+<Due Diligence for Projects, prepares pitches, Goal Setting>
+<Escrow Management, connectedTo, Real Estate Crowdfunding>
+<Financial Projection Analysis, handles logistics, Investor Verification>
+<Fulfillment Planning, connectedTo, Investor Verification>
+<Fulfillment Planning, partOf, Pitch Deck Preparation>
+<Goal Setting, manages escrows, Payment Processing>
+<Investor Relations, develops products, Financial Projection Analysis>
+<Investor Verification, connectedTo, Due Diligence for Projects>
+<Investor Verification, connectedTo, Shareholder Management>
+<Marketing Strategy, selects platforms, Goal Setting>
+<Payment Processing, connectedTo, Customer Support for Backers>
+<Post_Campaign Updates, connectedTo, Fulfillment Planning>
+<Post_Campaign Updates, partOf, Pitch Deck Preparation>
+<Project Vetting, connectedTo, Escrow Management>
+<Shareholder Management, facilitates international campaigns, Marketing Strategy>
diff --git a/test/mermaid/scanned_hard/mermaid_202.mmd b/test/mermaid/scanned_hard/mermaid_202.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..11dc15c74962898248aab3869bada1a1e99db1d8
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_202.mmd
@@ -0,0 +1,96 @@
+graph LR
+    N0([start])
+    N1[Over_the_Air Updates]
+    N2[Industrial IoT]
+    N3[Energy Management Systems]
+    N4[Device Prototyping]
+    N5([Security Implementation])
+    N6[/Predictive Maintenance/]
+    N7{Wearable Technology}
+    N8[Real_time Data Streaming]
+    N9([Data Privacy in IoT])
+    N10(IoT Device Certification)
+    N11([Power Management for Devices])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Supply Chain Optimization
+        nest0_0[Data Analysis in Cloud]
+        nest0_1[Network Protocol Selection]
+        nest0_2[Interoperability Standards]
+        nest0_3(Smart Manufacturing)
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> |analyzes insights| N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 --> |optimizes industrial processes| N11
+    nest0_0 -.-> |implements edge computing| nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> |manufactures devices| nest0_3
+    N9 --> nest0_0
+    nest0_3 -.-> |prototypes devices| N10
+    N6 --> S0
+    S0 --> N9
+    S0 --> N10
+    S0 --> N11
+    N6 -.-> S1
+    S1 --> |configures APIs| N11
+    S1 -.-> N10
+    N5 -.-> M0
+    N6 -.-> M0
+    N4 -.-> M0
+    M0 -.-> N8
+    style N0 fill:#E0F2F1,stroke:#26A69A
+    style N1 fill:#E0F2F1,stroke:#26A69A
+    style N2 fill:#B3E5FC,stroke:#03A9F4
+    style N3 fill:#E0F2F1,stroke:#26A69A
+    style N4 fill:#B3E5FC,stroke:#03A9F4
+    style N5 fill:#B3E5FC,stroke:#03A9F4
+    style N6 fill:#B3E5FC,stroke:#03A9F4
+    style N7 fill:#B3E5FC,stroke:#03A9F4
+    style N8 fill:#B3E5FC,stroke:#03A9F4
+    style N9 fill:#FCFCE7,stroke:#DCE775
+    style N10 fill:#B3E5FC,stroke:#03A9F4
+    style N11 fill:#FCFCE7,stroke:#DCE775
+    style S0 fill:#B3E5FC,stroke:#03A9F4
+    style S1 fill:#FCFCE7,stroke:#DCE775
+    style M0 fill:#B3E5FC,stroke:#03A9F4
+    style nest0_0 fill:#E0F2F1,stroke:#26A69A
+    style nest0_1 fill:#B3E5FC,stroke:#03A9F4
+    style nest0_2 fill:#FCFCE7,stroke:#DCE775
+    style nest0_3 fill:#B3E5FC,stroke:#03A9F4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_202.txt b/test/mermaid/scanned_hard/mermaid_202.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6f21ecfdccded518555492321eb773fc72e13cb5
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_202.txt
@@ -0,0 +1,27 @@
+<Data Analysis in Cloud, implements edge computing, Network Protocol Selection>
+<Data Analysis in Cloud, partOf, Supply Chain Optimization>
+<Data Privacy in IoT, connectedTo, Data Analysis in Cloud>
+<Data Privacy in IoT, connectedTo, IoT Device Certification>
+<Device Prototyping, connectedTo, Real_time Data Streaming>
+<Device Prototyping, connectedTo, Security Implementation>
+<Energy Management Systems, connectedTo, Device Prototyping>
+<Industrial IoT, connectedTo, Energy Management Systems>
+<Interoperability Standards, manufactures devices, Smart Manufacturing>
+<Interoperability Standards, partOf, Supply Chain Optimization>
+<IoT Device Certification, optimizes industrial processes, Power Management for Devices>
+<Network Protocol Selection, connectedTo, Interoperability Standards>
+<Network Protocol Selection, partOf, Supply Chain Optimization>
+<Over_the_Air Updates, connectedTo, Industrial IoT>
+<Predictive Maintenance, configures APIs, Power Management for Devices>
+<Predictive Maintenance, connectedTo, Data Privacy in IoT>
+<Predictive Maintenance, connectedTo, IoT Device Certification>
+<Predictive Maintenance, connectedTo, Power Management for Devices>
+<Predictive Maintenance, connectedTo, Real_time Data Streaming>
+<Predictive Maintenance, connectedTo, Wearable Technology>
+<Real_time Data Streaming, connectedTo, Data Privacy in IoT>
+<Security Implementation, connectedTo, Predictive Maintenance>
+<Security Implementation, connectedTo, Real_time Data Streaming>
+<Smart Manufacturing, partOf, Supply Chain Optimization>
+<Smart Manufacturing, prototypes devices, IoT Device Certification>
+<Wearable Technology, analyzes insights, Real_time Data Streaming>
+<start, connectedTo, Over_the_Air Updates>
diff --git a/test/mermaid/scanned_hard/mermaid_206.mmd b/test/mermaid/scanned_hard/mermaid_206.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..27704d1b0fd9c111e26b3c3c32f2020efc8083d5
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_206.mmd
@@ -0,0 +1,88 @@
+graph BT
+    N0([start])
+    N1{Security for Edge Devices}
+    N2{Edge Computing Hardware Selection}
+    N3([Event_Driven Architectures at Edge])
+    N4[Resource Management at Edge]
+    N5(Edge Device Analytics)
+    N6(Data Filtering at Edge)
+    N7([Smart City Edge Solutions])
+    N8[/Edge Application Development/]
+    N9{Latency Reduction}
+    N10([Telecom Edge Computing])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Remote Device Management
+        nest0_0[[Offline Functionality]]
+        nest0_1[Microservices on Edge Devices]
+        nest0_2[(Edge Data Processing)]
+        nest0_3([Distributed Data Storage])
+    end
+    N0 --> N1
+    N1 -.-> |develops applications| N2
+    N2 --> N3
+    N3 -.-> |secures data| N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> |optimizes telecoms| N7
+    N7 --> |filters data| N8
+    N8 -.-> N9
+    N9 -.-> N10
+    nest0_0 -.-> nest0_1
+    nest0_1 --> |provides low latency| nest0_2
+    nest0_2 -.-> nest0_3
+    N3 -.-> nest0_0
+    nest0_3 --> N4
+    N5 -.-> S0
+    S0 --> N7
+    S0 -.-> N9
+    N0 -.-> S1
+    S1 --> N3
+    S1 --> N2
+    N4 --> M0
+    N8 --> M0
+    M0 -.-> N10
+    style N0 fill:#DED7F0,stroke:#A188DB
+    style N1 fill:#F8FDD3,stroke:#D3EB9F
+    style N2 fill:#D1C4E9,stroke:#7E57C2
+    style N3 fill:#F8FDD3,stroke:#D3EB9F
+    style N4 fill:#F8FDD3,stroke:#D3EB9F
+    style N5 fill:#F8FDD3,stroke:#D3EB9F
+    style N6 fill:#DED7F0,stroke:#A188DB
+    style N7 fill:#DED7F0,stroke:#A188DB
+    style N8 fill:#D1C4E9,stroke:#7E57C2
+    style N9 fill:#F8FDD3,stroke:#D3EB9F
+    style N10 fill:#D1C4E9,stroke:#7E57C2
+    style S0 fill:#DED7F0,stroke:#A188DB
+    style S1 fill:#D1C4E9,stroke:#7E57C2
+    style M0 fill:#D1C4E9,stroke:#7E57C2
+    style nest0_0 fill:#F8FDD3,stroke:#D3EB9F
+    style nest0_1 fill:#F8FDD3,stroke:#D3EB9F
+    style nest0_2 fill:#F8FDD3,stroke:#D3EB9F
+    style nest0_3 fill:#D1C4E9,stroke:#7E57C2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_207.mmd b/test/mermaid/scanned_hard/mermaid_207.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..682cc290c75fb98d31841c810db0368628d3ed23
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_207.mmd
@@ -0,0 +1,88 @@
+graph BT
+    N0([start])
+    N1[/Edge Device Provisioning/]
+    N2[Edge Security Analytics]
+    N3(Edge Application Development)
+    N4[Data Filtering at Edge]
+    N5{Sensor Data Aggregation}
+    N6{Distributed Data Storage}
+    N7{Connectivity to Cloud}
+    N8[(Edge Computing Hardware Selection)]
+    N9(Retail Edge Computing)
+    N10([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Industrial Edge Computing
+        nest0_0[/Real_time Analytics at Edge/]
+        nest0_1{Local AI or ML Inference}
+        nest0_2(Edge Device Deployment)
+        nest0_3(Security for Edge Devices)
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> |deploys nodes| N3
+    N3 --> |performs real_time analytics| N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> N10
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> |distributes workloads| nest0_2
+    nest0_2 --> |enables offline operations| nest0_3
+    N7 -.-> nest0_0
+    nest0_3 -.-> |manages devices| N4
+    N2 --> S0
+    S0 -.-> N8
+    S0 -.-> N4
+    N4 -.-> S1
+    S1 -.-> N10
+    S1 -.-> |analyzes data at edge| N9
+    N0 -.-> |processes data locally| M0
+    N2 -.-> |provides fault tolerance| M0
+    M0 -.-> N4
+    style N0 fill:#FFCDD2,stroke:#F44336
+    style N1 fill:#FFCDD2,stroke:#F44336
+    style N2 fill:#FFCDD2,stroke:#F44336
+    style N3 fill:#FFCDD2,stroke:#F44336
+    style N4 fill:#FCE4EC,stroke:#F06292
+    style N5 fill:#FFCDD2,stroke:#F44336
+    style N6 fill:#FCE4EC,stroke:#F06292
+    style N7 fill:#FFCDD2,stroke:#F44336
+    style N8 fill:#FFCDD2,stroke:#F44336
+    style N9 fill:#F0F0F0,stroke:#D2D2D2
+    style N10 fill:#F0F0F0,stroke:#D2D2D2
+    style S0 fill:#FFCDD2,stroke:#F44336
+    style S1 fill:#FFCDD2,stroke:#F44336
+    style M0 fill:#FCE4EC,stroke:#F06292
+    style nest0_0 fill:#FFCDD2,stroke:#F44336
+    style nest0_1 fill:#FCE4EC,stroke:#F06292
+    style nest0_2 fill:#FCE4EC,stroke:#F06292
+    style nest0_3 fill:#F0F0F0,stroke:#D2D2D2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#F06292,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_208.txt b/test/mermaid/scanned_hard/mermaid_208.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6283834629133ac6777792f71d8d07ad54e5dc96
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_208.txt
@@ -0,0 +1,23 @@
+<Big Data Services in Cloud, connectedTo, Cloud_based VPN Setup>
+<Big Data Services in Cloud, connectedTo, Compliance in Cloud>
+<Cloud Audit Trails, connectedTo, Cloud Automation>
+<Cloud Automation, connectedTo, Database as a Service>
+<Cloud Backup Solutions, connectedTo, Cloud Migration Strategy>
+<Cloud Backup Solutions, partOf, Serverless Computing>
+<Cloud Firewall Configuration, connectedTo, Edge_to_Cloud Integration>
+<Cloud Governance, connectedTo, Cloud Backup Solutions>
+<Cloud Governance, partOf, Serverless Computing>
+<Cloud Migration Strategy, connectedTo, Data Storage in Cloud>
+<Cloud Migration Strategy, partOf, Serverless Computing>
+<Cloud Monitoring and Logging, develops cloud_native apps, Disaster Recovery in Cloud>
+<Cloud_based VPN Setup, offers MLaaS, Cloud Firewall Configuration>
+<Compliance in Cloud, connectedTo, Cloud_based VPN Setup>
+<Data Storage in Cloud, connectedTo, Big Data Services in Cloud>
+<Data Storage in Cloud, partOf, Serverless Computing>
+<Database as a Service, connectedTo, Cloud Monitoring and Logging>
+<Database as a Service, connectedTo, Compliance in Cloud>
+<Database as a Service, connectedTo, Edge_to_Cloud Integration>
+<Database as a Service, provides APIs, Cloud_based VPN Setup>
+<Disaster Recovery in Cloud, connectedTo, Big Data Services in Cloud>
+<Disaster Recovery in Cloud, connectedTo, Cloud Governance>
+<start, connectedTo, Cloud Audit Trails>
diff --git a/test/mermaid/scanned_hard/mermaid_209.mmd b/test/mermaid/scanned_hard/mermaid_209.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ca20fbdbacb31c9857f7a9bcc32bcb97a8bda2ef
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_209.mmd
@@ -0,0 +1,90 @@
+graph LR
+    N0([Edge_to_Cloud Integration])
+    N1{DevOps on Cloud}
+    N2(Compliance in Cloud)
+    N3[(Infrastructure as a Service)]
+    N4[(Cloud Governance)]
+    N5[Virtual Machine Management]
+    N6(Big Data Services in Cloud)
+    N7[[Cloud Marketplace Integration]]
+    N8(Cloud Audit Trails)
+    N9[[Platform as a Service]]
+    N10(Auto_Scaling Configurations)
+    N11([Load Balancing in Cloud])
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Cloud Security
+        nest0_0[/Cloud Architecture Design/]
+        nest0_1[(Identity and Access Management)]
+        nest0_2[[Machine Learning as a Service]]
+    end
+    N0 -.-> |configures networks| N1
+    N1 --> N2
+    N2 --> |audits usage| N3
+    N3 -.-> |offers MLaaS| N4
+    N4 --> |offers PaaS| N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> |ensures compliance| N9
+    N9 -.-> N10
+    N10 --> |optimizes costs| N11
+    nest0_0 --> nest0_1
+    nest0_1 -.-> |migrates workloads| nest0_2
+    N6 --> |configures firewalls| nest0_0
+    nest0_2 -.-> |automates CI or CD| N10
+    N8 --> S1
+    S1 -.-> N10
+    S1 -.-> N11
+    N7 -.-> M0
+    N3 --> M0
+    N1 -.-> M0
+    M0 -.-> N11
+    N4 -.-> M1
+    N0 -.-> M1
+    M1 -.-> N7
+    style N0 fill:#F0F4C3,stroke:#AED581
+    style N1 fill:#F0F4C3,stroke:#AED581
+    style N2 fill:#FFF8E1,stroke:#FFD54F
+    style N3 fill:#F0F4C3,stroke:#AED581
+    style N4 fill:#C8EDFF,stroke:#82DAFF
+    style N5 fill:#F0F4C3,stroke:#AED581
+    style N6 fill:#C8EDFF,stroke:#82DAFF
+    style N7 fill:#FFF8E1,stroke:#FFD54F
+    style N8 fill:#FFF8E1,stroke:#FFD54F
+    style N9 fill:#FFF8E1,stroke:#FFD54F
+    style N10 fill:#F0F4C3,stroke:#AED581
+    style N11 fill:#F0F4C3,stroke:#AED581
+    style S1 fill:#FFF8E1,stroke:#FFD54F
+    style M0 fill:#FFF8E1,stroke:#FFD54F
+    style M1 fill:#C8EDFF,stroke:#82DAFF
+    style nest0_0 fill:#C8EDFF,stroke:#82DAFF
+    style nest0_1 fill:#FFF8E1,stroke:#FFD54F
+    style nest0_2 fill:#C8EDFF,stroke:#82DAFF
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_209.txt b/test/mermaid/scanned_hard/mermaid_209.txt
new file mode 100644
index 0000000000000000000000000000000000000000..47cde1d7982b2443eb39780e143c94352930495a
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_209.txt
@@ -0,0 +1,25 @@
+<Auto_Scaling Configurations, optimizes costs, Load Balancing in Cloud>
+<Big Data Services in Cloud, configures firewalls, Cloud Architecture Design>
+<Big Data Services in Cloud, connectedTo, Cloud Marketplace Integration>
+<Cloud Architecture Design, connectedTo, Identity and Access Management>
+<Cloud Architecture Design, partOf, Cloud Security>
+<Cloud Audit Trails, connectedTo, Auto_Scaling Configurations>
+<Cloud Audit Trails, connectedTo, Load Balancing in Cloud>
+<Cloud Audit Trails, ensures compliance, Platform as a Service>
+<Cloud Governance, connectedTo, Cloud Marketplace Integration>
+<Cloud Governance, offers PaaS, Virtual Machine Management>
+<Cloud Marketplace Integration, connectedTo, Cloud Audit Trails>
+<Cloud Marketplace Integration, connectedTo, Load Balancing in Cloud>
+<Compliance in Cloud, audits usage, Infrastructure as a Service>
+<DevOps on Cloud, connectedTo, Compliance in Cloud>
+<DevOps on Cloud, connectedTo, Load Balancing in Cloud>
+<Edge_to_Cloud Integration, configures networks, DevOps on Cloud>
+<Edge_to_Cloud Integration, connectedTo, Cloud Marketplace Integration>
+<Identity and Access Management, migrates workloads, Machine Learning as a Service>
+<Identity and Access Management, partOf, Cloud Security>
+<Infrastructure as a Service, connectedTo, Load Balancing in Cloud>
+<Infrastructure as a Service, offers MLaaS, Cloud Governance>
+<Machine Learning as a Service, automates CI or CD, Auto_Scaling Configurations>
+<Machine Learning as a Service, partOf, Cloud Security>
+<Platform as a Service, connectedTo, Auto_Scaling Configurations>
+<Virtual Machine Management, connectedTo, Big Data Services in Cloud>
diff --git a/test/mermaid/scanned_hard/mermaid_21.mmd b/test/mermaid/scanned_hard/mermaid_21.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..8117fad51ab630f781fb32c5da12ead8599634cb
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_21.mmd
@@ -0,0 +1,42 @@
+graph RL
+    N0([start])
+    N1[Product Development]
+    N2(Loss Prevention)
+    N3[Underwriting]
+    N4(Benefit Payout)
+    N5([Fraud Investigation])
+    N6([Policy Cancellation])
+    N7[(Agent Training)]
+    N8[Healthcare Provider Network Management]
+    N9([end])
+    N0 -.-> |manages| N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> |analyzes| N6
+    N6 -.-> |educates| N7
+    N7 --> |mitigates| N8
+    N8 --> |optimizes| N9
+    N8 -.-> |promotes| N4
+    style N0 fill:#D1C4E9,stroke:#673AB7
+    style N1 fill:#CADEDE,stroke:#94C0C0
+    style N2 fill:#F1F8E9,stroke:#388E3C
+    style N3 fill:#CADEDE,stroke:#94C0C0
+    style N4 fill:#F1F8E9,stroke:#388E3C
+    style N5 fill:#F1F8E9,stroke:#388E3C
+    style N6 fill:#F1F8E9,stroke:#388E3C
+    style N7 fill:#F1F8E9,stroke:#388E3C
+    style N8 fill:#D1C4E9,stroke:#673AB7
+    style N9 fill:#F1F8E9,stroke:#388E3C
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_211.mmd b/test/mermaid/scanned_hard/mermaid_211.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..fc3671b25a307352292f5353149b9555a5b86960
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_211.mmd
@@ -0,0 +1,88 @@
+graph LR
+    N0([Network Security])
+    N1([Web Server Configuration])
+    N2(Virtualization)
+    N3[[Network Design]]
+    N4[[Remote Access Solutions]]
+    N5(VPN Configuration)
+    N6{Software Licensing Management}
+    N7([Backup and Recovery Systems])
+    N8([Group Policy Management])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Proxy Server Configuration
+        nest0_0[/IT Asset Management/]
+        nest0_1(Server Deployment)
+        nest0_2[/Environmental Monitoring/]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> |manages access controls| N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> |sets up DNS| N7
+    N7 -.-> |deploys servers| N8
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N7 -.-> nest0_0
+    nest0_2 -.-> N2
+    N3 --> S0
+    S0 --> N6
+    S0 -.-> |maintains hardware| N5
+    S0 -.-> |installs racks| N8
+    N0 --> S1
+    S1 -.-> |manages mail servers| N8
+    S1 -.-> N4
+    S1 -.-> N6
+    N5 -.-> M0
+    N4 --> |manages remote access| M0
+    M0 -.-> N7
+    N5 -.-> M1
+    N6 -.-> M1
+    M1 --> N8
+    style N0 fill:#C8EDFF,stroke:#82DAFF
+    style N1 fill:#C8EDFF,stroke:#82DAFF
+    style N2 fill:#B3E5FC,stroke:#03A9F4
+    style N3 fill:#B3E5FC,stroke:#03A9F4
+    style N4 fill:#B3E5FC,stroke:#03A9F4
+    style N5 fill:#C8EDFF,stroke:#82DAFF
+    style N6 fill:#C8EDFF,stroke:#82DAFF
+    style N7 fill:#B3E5FC,stroke:#03A9F4
+    style N8 fill:#C8EDFF,stroke:#82DAFF
+    style S0 fill:#B3E5FC,stroke:#03A9F4
+    style S1 fill:#F5F5DC,stroke:#BCB88A
+    style M0 fill:#B3E5FC,stroke:#03A9F4
+    style M1 fill:#B3E5FC,stroke:#03A9F4
+    style nest0_0 fill:#B3E5FC,stroke:#03A9F4
+    style nest0_1 fill:#F5F5DC,stroke:#BCB88A
+    style nest0_2 fill:#F5F5DC,stroke:#BCB88A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#BCB88A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_212.mmd b/test/mermaid/scanned_hard/mermaid_212.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..763d9fc4af0e27beffb17d54edd1dd5781af82ba
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_212.mmd
@@ -0,0 +1,68 @@
+graph RL
+    N0([Power and Cooling Management])
+    N1[[Automation Scripting]]
+    N2[Load Balancer Setup]
+    N3{System Administration}
+    N4[Network Security]
+    N5(Troubleshooting and Support)
+    N6{VPN Configuration}
+    N7([Software Licensing Management])
+    S1(( ))
+    M0(( ))
+    subgraph Database Administration
+        nest0_0([Hardware Maintenance])
+        nest0_1(User Account Management)
+        nest0_2(Cabling and Wiring)
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> |plans capacity| N7
+    nest0_0 --> nest0_1
+    nest0_1 --> |deploys servers| nest0_2
+    N6 --> nest0_0
+    nest0_2 --> N7
+    N3 --> S1
+    S1 -.-> |installs racks| N6
+    S1 --> N5
+    S1 --> N7
+    N2 --> M0
+    N3 --> |applies patches| M0
+    N0 -.-> M0
+    M0 --> N6
+    style N0 fill:#C8EDFF,stroke:#82DAFF
+    style N1 fill:#FFF9C4,stroke:#FFEB3B
+    style N2 fill:#FCE4EC,stroke:#F06292
+    style N3 fill:#FCE4EC,stroke:#F06292
+    style N4 fill:#FFF9C4,stroke:#FFEB3B
+    style N5 fill:#C8EDFF,stroke:#82DAFF
+    style N6 fill:#FCE4EC,stroke:#F06292
+    style N7 fill:#C8EDFF,stroke:#82DAFF
+    style S1 fill:#FCE4EC,stroke:#F06292
+    style M0 fill:#FFF9C4,stroke:#FFEB3B
+    style nest0_0 fill:#FFF9C4,stroke:#FFEB3B
+    style nest0_1 fill:#FCE4EC,stroke:#F06292
+    style nest0_2 fill:#FFF9C4,stroke:#FFEB3B
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#F06292,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_214.txt b/test/mermaid/scanned_hard/mermaid_214.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d5201f527cdb1fe03fac94878d1113df0c95df11
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_214.txt
@@ -0,0 +1,18 @@
+<Automated Deployment, connectedTo, Pipeline Automation>
+<Canary Releases, connectedTo, Post_Mortem Analysis>
+<ChatOps, automates tests, Canary Releases>
+<Code Quality Checks, connectedTo, Continuous Integration>
+<Continuous Integration, connectedTo, Feature Flags>
+<Continuous Integration, sends alerts, Cross_Functional Team Collaboration>
+<Cost Optimization in Cloud DevOps, connectedTo, ChatOps>
+<Cost Optimization in Cloud DevOps, connectedTo, GitOps>
+<Cost Optimization in Cloud DevOps, connectedTo, end>
+<Cross_Functional Team Collaboration, connectedTo, Microservices Architecture>
+<Cross_Functional Team Collaboration, manages environments, Post_Mortem Analysis>
+<Cross_Functional Team Collaboration, partOf, Static Code Analysis>
+<Feature Flags, deploys releases, Automated Deployment>
+<GitOps, connectedTo, ChatOps>
+<Microservices Architecture, connectedTo, Cost Optimization in Cloud DevOps>
+<Microservices Architecture, partOf, Static Code Analysis>
+<Pipeline Automation, connectedTo, Cost Optimization in Cloud DevOps>
+<Post_Mortem Analysis, implements CI, end>
diff --git a/test/mermaid/scanned_hard/mermaid_215.mmd b/test/mermaid/scanned_hard/mermaid_215.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..dc178d47af8cb5cb0b30626bc710553a4f79efa4
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_215.mmd
@@ -0,0 +1,80 @@
+graph BT
+    N0([start])
+    N1[/Serverless Deployment/]
+    N2[[Container Orchestration]]
+    N3[Infrastructure Provisioning]
+    N4[(Automated Testing)]
+    N5[(Site Reliability Engineering Principles)]
+    N6[Static Code Analysis]
+    N7(Automated Deployment)
+    N8([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Infrastructure as Code
+        nest0_0(Cost Optimization in Cloud DevOps)
+        nest0_1[(Alerting and Incident Response)]
+    end
+    N0 -.-> |accelerates delivery| N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> |manages versions| N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    nest0_0 -.-> |uses GitOps| nest0_1
+    N7 -.-> nest0_0
+    nest0_1 -.-> N5
+    N5 -.-> S0
+    S0 --> N7
+    S0 --> N8
+    N1 -.-> S1
+    S1 --> N8
+    S1 -.-> |performs static analysis| N3
+    N1 -.-> M0
+    N0 --> |manages microservices| M0
+    M0 --> N4
+    N2 -.-> M1
+    N1 --> M1
+    M1 -.-> N8
+    style N0 fill:#FFDCD6,stroke:#FFB2A5
+    style N1 fill:#CFD8DC,stroke:#607D8B
+    style N2 fill:#ECCFF5,stroke:#CD8FF2
+    style N3 fill:#FFDCD6,stroke:#FFB2A5
+    style N4 fill:#FFDCD6,stroke:#FFB2A5
+    style N5 fill:#ECCFF5,stroke:#CD8FF2
+    style N6 fill:#CFD8DC,stroke:#607D8B
+    style N7 fill:#FFDCD6,stroke:#FFB2A5
+    style N8 fill:#FFDCD6,stroke:#FFB2A5
+    style S0 fill:#CFD8DC,stroke:#607D8B
+    style S1 fill:#CFD8DC,stroke:#607D8B
+    style M0 fill:#ECCFF5,stroke:#CD8FF2
+    style M1 fill:#ECCFF5,stroke:#CD8FF2
+    style nest0_0 fill:#ECCFF5,stroke:#CD8FF2
+    style nest0_1 fill:#ECCFF5,stroke:#CD8FF2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_216.mmd b/test/mermaid/scanned_hard/mermaid_216.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..55a34a8d5d958196b3e9ea9a61719e404edced87
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_216.mmd
@@ -0,0 +1,72 @@
+graph RL
+    N0([start])
+    N1[/Configuration Management/]
+    N2([Cost Optimization in Cloud DevOps])
+    N3(Alerting and Incident Response)
+    N4[[Collaboration Tools]]
+    N5[(Chaos Engineering)]
+    N6(Code Quality Checks)
+    N7(Infrastructure as Code)
+    N8([Automated Deployment])
+    N9[(Automated Testing)]
+    N10([Cross_Functional Team Collaboration])
+    S0(( ))
+    S1(( ))
+    subgraph Rollback Strategies
+        nest0_0[(Microservices Architecture)]
+        nest0_1{Post_Mortem Analysis}
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> |monitors applications| N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> |secures secrets| N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    nest0_0 -.-> nest0_1
+    N7 -.-> nest0_0
+    nest0_1 --> N4
+    N7 --> S0
+    S0 -.-> |manages microservices| N10
+    S0 -.-> N9
+    N6 --> S1
+    S1 --> |integrates security| N10
+    S1 -.-> |performs rollbacks| N9
+    style N0 fill:#F3E5F5,stroke:#BA68C8
+    style N1 fill:#F3E5F5,stroke:#BA68C8
+    style N2 fill:#EBEBEB,stroke:#E0E0E0
+    style N3 fill:#FFDCD6,stroke:#FFB2A5
+    style N4 fill:#F3E5F5,stroke:#BA68C8
+    style N5 fill:#F3E5F5,stroke:#BA68C8
+    style N6 fill:#EBEBEB,stroke:#E0E0E0
+    style N7 fill:#FFDCD6,stroke:#FFB2A5
+    style N8 fill:#F3E5F5,stroke:#BA68C8
+    style N9 fill:#F3E5F5,stroke:#BA68C8
+    style N10 fill:#F3E5F5,stroke:#BA68C8
+    style S0 fill:#FFDCD6,stroke:#FFB2A5
+    style S1 fill:#EBEBEB,stroke:#E0E0E0
+    style nest0_0 fill:#F3E5F5,stroke:#BA68C8
+    style nest0_1 fill:#FFDCD6,stroke:#FFB2A5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFB2A5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_216.txt b/test/mermaid/scanned_hard/mermaid_216.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bc35d52a1e146b2a414a7ccf88eb76209e6cc97a
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_216.txt
@@ -0,0 +1,19 @@
+<Alerting and Incident Response, connectedTo, Collaboration Tools>
+<Automated Deployment, connectedTo, Automated Testing>
+<Automated Testing, connectedTo, Cross_Functional Team Collaboration>
+<Chaos Engineering, connectedTo, Code Quality Checks>
+<Code Quality Checks, integrates security, Cross_Functional Team Collaboration>
+<Code Quality Checks, performs rollbacks, Automated Testing>
+<Code Quality Checks, secures secrets, Infrastructure as Code>
+<Collaboration Tools, connectedTo, Chaos Engineering>
+<Configuration Management, connectedTo, Cost Optimization in Cloud DevOps>
+<Cost Optimization in Cloud DevOps, monitors applications, Alerting and Incident Response>
+<Infrastructure as Code, connectedTo, Automated Deployment>
+<Infrastructure as Code, connectedTo, Automated Testing>
+<Infrastructure as Code, connectedTo, Microservices Architecture>
+<Infrastructure as Code, manages microservices, Cross_Functional Team Collaboration>
+<Microservices Architecture, connectedTo, Post_Mortem Analysis>
+<Microservices Architecture, partOf, Rollback Strategies>
+<Post_Mortem Analysis, connectedTo, Collaboration Tools>
+<Post_Mortem Analysis, partOf, Rollback Strategies>
+<start, connectedTo, Configuration Management>
diff --git a/test/mermaid/scanned_hard/mermaid_217.txt b/test/mermaid/scanned_hard/mermaid_217.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a9f703f2f896e615b47d212d386b955be963a89f
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_217.txt
@@ -0,0 +1,25 @@
+<API Development, connectedTo, Microservices Architecture>
+<API Development, partOf, Data Structures Implementation>
+<Agile Methodologies, connectedTo, System Design>
+<Backend Development, connectedTo, API Development>
+<Backend Development, connectedTo, Agile Methodologies>
+<Backend Development, connectedTo, Compiler Design>
+<Backend Development, connectedTo, Containerization>
+<Backend Development, designs APIs, Database Design>
+<Bug Fixing, builds microservices, Database Design>
+<Code Review, connectedTo, Database Design>
+<Code Review, connectedTo, Performance Optimization>
+<Code Review, connectedTo, Technical Debt Management>
+<Code Review, creates UIs, Database Design>
+<Code Review, uses containers, Containerization>
+<Compiler Design, writes unit tests, Code Review>
+<Containerization, connectedTo, Bug Fixing>
+<Containerization, connectedTo, Database Design>
+<Microservices Architecture, builds backends, Agile Methodologies>
+<Microservices Architecture, partOf, Data Structures Implementation>
+<Performance Optimization, connectedTo, Containerization>
+<System Design, connectedTo, Compiler Design>
+<Technical Debt Management, manages databases, Performance Optimization>
+<Testing Frameworks, connectedTo, Backend Development>
+<start, connectedTo, Compiler Design>
+<start, tests systems, Testing Frameworks>
diff --git a/test/mermaid/scanned_hard/mermaid_219.mmd b/test/mermaid/scanned_hard/mermaid_219.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f6abdcf56ce73b5272a741d439d916e85cd32187
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_219.mmd
@@ -0,0 +1,68 @@
+graph RL
+    N0([start])
+    N1{Coding}
+    N2(Data Structures Implementation)
+    N3[[Agile Methodologies]]
+    N4[Security Hardening]
+    N5([Version Control])
+    N6([end])
+    S0(( ))
+    S1(( ))
+    subgraph Technical Debt Management
+        nest0_0([Architecture Planning])
+        nest0_1{Mobile Application Development}
+        nest0_2[/Scalability Design/]
+        nest0_3[API Development]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> |fixes bugs| N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> |implements CI| N6
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 -.-> |maintains code| nest0_3
+    N3 --> nest0_0
+    nest0_3 --> N1
+    N0 -.-> S0
+    S0 --> N6
+    S0 --> N2
+    S0 -.-> N3
+    N2 --> S1
+    S1 -.-> |manages technical debt| N6
+    S1 --> |uses containers| N4
+    S1 -.-> N5
+    style N0 fill:#FFE0B2,stroke:#FF9800
+    style N1 fill:#FCE4EC,stroke:#E91E63
+    style N2 fill:#FCE4EC,stroke:#E91E63
+    style N3 fill:#FCE4EC,stroke:#E91E63
+    style N4 fill:#FCE4EC,stroke:#E91E63
+    style N5 fill:#FFE0B2,stroke:#FF9800
+    style N6 fill:#FFE0B2,stroke:#FF9800
+    style S0 fill:#FFE0B2,stroke:#FF9800
+    style S1 fill:#E0F7FA,stroke:#00BCD4
+    style nest0_0 fill:#FFE0B2,stroke:#FF9800
+    style nest0_1 fill:#FCE4EC,stroke:#E91E63
+    style nest0_2 fill:#E0F7FA,stroke:#00BCD4
+    style nest0_3 fill:#FFE0B2,stroke:#FF9800
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#E91E63,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_219.txt b/test/mermaid/scanned_hard/mermaid_219.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9138ad27f65d52e66d1ee7e2cf366327c898ce6b
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_219.txt
@@ -0,0 +1,21 @@
+<API Development, connectedTo, Coding>
+<API Development, partOf, Technical Debt Management>
+<Agile Methodologies, connectedTo, Architecture Planning>
+<Agile Methodologies, connectedTo, Security Hardening>
+<Architecture Planning, connectedTo, Mobile Application Development>
+<Architecture Planning, partOf, Technical Debt Management>
+<Coding, connectedTo, Data Structures Implementation>
+<Data Structures Implementation, connectedTo, Version Control>
+<Data Structures Implementation, fixes bugs, Agile Methodologies>
+<Data Structures Implementation, manages technical debt, end>
+<Data Structures Implementation, uses containers, Security Hardening>
+<Mobile Application Development, connectedTo, Scalability Design>
+<Mobile Application Development, partOf, Technical Debt Management>
+<Scalability Design, maintains code, API Development>
+<Scalability Design, partOf, Technical Debt Management>
+<Security Hardening, connectedTo, Version Control>
+<Version Control, implements CI, end>
+<start, connectedTo, Agile Methodologies>
+<start, connectedTo, Coding>
+<start, connectedTo, Data Structures Implementation>
+<start, connectedTo, end>
diff --git a/test/mermaid/scanned_hard/mermaid_22.mmd b/test/mermaid/scanned_hard/mermaid_22.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..4779fc758ed07da3d4cae4e85753b8c543caf29c
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_22.mmd
@@ -0,0 +1,32 @@
+graph TD
+    N0([start])
+    N1([IoT Security])
+    N2[Data Encryption]
+    N3(Disaster Recovery Planning)
+    N4[Security Information and Event Management]
+    N5([Cloud Security])
+    N6[Security Policy Development]
+    N7[/Dark Web Monitoring/]
+    N8[/Security Operations Center Monitoring/]
+    N9([end])
+    N0 --> |yes| N1
+    N1 -.-> N2
+    N2 -.-> |no| N3
+    N3 --> |yes| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> |yes| N9
+    N3 -.-> |no| N9
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#B0C5CD,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_22.txt b/test/mermaid/scanned_hard/mermaid_22.txt
new file mode 100644
index 0000000000000000000000000000000000000000..54b28f75d63f399b473f46e437fdffcb74c47ccc
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_22.txt
@@ -0,0 +1,10 @@
+<Cloud Security, connectedTo, Security Policy Development>
+<Dark Web Monitoring, connectedTo, Security Operations Center Monitoring>
+<Data Encryption, no, Disaster Recovery Planning>
+<Disaster Recovery Planning, no, end>
+<Disaster Recovery Planning, yes, Security Information and Event Management>
+<IoT Security, connectedTo, Data Encryption>
+<Security Information and Event Management, connectedTo, Cloud Security>
+<Security Operations Center Monitoring, yes, end>
+<Security Policy Development, connectedTo, Dark Web Monitoring>
+<start, yes, IoT Security>
diff --git a/test/mermaid/scanned_hard/mermaid_220.mmd b/test/mermaid/scanned_hard/mermaid_220.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..6ced88245e3be0a826626b557908f3167354534c
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_220.mmd
@@ -0,0 +1,80 @@
+graph LR
+    N0([Material Selection])
+    N1[(Firmware Development)]
+    N2[Cost Optimization]
+    N3[[Supply Chain Management for Components]]
+    N4[/Mixed_Signal Design/]
+    N5[(Actuator Control)]
+    N6[/Schematic Capture/]
+    N7(PCB Layout)
+    N8[/Optical Module Design/]
+    N9[Component Selection]
+    N10[(Signal Integrity Analysis)]
+    N11([Regulatory Compliance])
+    S0(( ))
+    subgraph Manufacturing Process Planning
+        nest0_0[/Reverse Engineering/]
+        nest0_1[Circuit Design]
+        nest0_2[Assembly Line Optimization]
+        nest0_3[/Mechanical Design Integration/]
+    end
+    N0 -.-> |designs circuits| N1
+    N1 --> N2
+    N2 -.-> |develops RF systems| N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> |ensures compliance| N8
+    N8 --> N9
+    N9 --> N10
+    N10 -.-> |tests environmental resilience| N11
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> |optimizes for low power| nest0_3
+    N9 -.-> |creates documentation| nest0_0
+    nest0_3 --> N11
+    N3 -.-> S0
+    S0 --> N5
+    S0 -.-> N7
+    nest0_2 -.-> |protects IPs| nest0_0
+    N8 -.-> |tests hardware| N10
+    style N0 fill:#FFF9C4,stroke:#FFEB3B
+    style N1 fill:#FFF9C4,stroke:#FFEB3B
+    style N2 fill:#C8EDFF,stroke:#82DAFF
+    style N3 fill:#FFF9C4,stroke:#FFEB3B
+    style N4 fill:#FFF9C4,stroke:#FFEB3B
+    style N5 fill:#B2EBF2,stroke:#00BCD4
+    style N6 fill:#C8EDFF,stroke:#82DAFF
+    style N7 fill:#FFF9C4,stroke:#FFEB3B
+    style N8 fill:#C8EDFF,stroke:#82DAFF
+    style N9 fill:#B2EBF2,stroke:#00BCD4
+    style N10 fill:#B2EBF2,stroke:#00BCD4
+    style N11 fill:#B2EBF2,stroke:#00BCD4
+    style S0 fill:#B2EBF2,stroke:#00BCD4
+    style nest0_0 fill:#FFF9C4,stroke:#FFEB3B
+    style nest0_1 fill:#B2EBF2,stroke:#00BCD4
+    style nest0_2 fill:#FFF9C4,stroke:#FFEB3B
+    style nest0_3 fill:#B2EBF2,stroke:#00BCD4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#82DAFF,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_220.txt b/test/mermaid/scanned_hard/mermaid_220.txt
new file mode 100644
index 0000000000000000000000000000000000000000..831c95fd31f1e19b816ee8bb4309945cf6a178ed
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_220.txt
@@ -0,0 +1,24 @@
+<Actuator Control, connectedTo, Schematic Capture>
+<Assembly Line Optimization, optimizes for low power, Mechanical Design Integration>
+<Assembly Line Optimization, partOf, Manufacturing Process Planning>
+<Assembly Line Optimization, protects IPs, Reverse Engineering>
+<Circuit Design, connectedTo, Assembly Line Optimization>
+<Circuit Design, partOf, Manufacturing Process Planning>
+<Component Selection, connectedTo, Signal Integrity Analysis>
+<Component Selection, creates documentation, Reverse Engineering>
+<Cost Optimization, develops RF systems, Supply Chain Management for Components>
+<Firmware Development, connectedTo, Cost Optimization>
+<Material Selection, designs circuits, Firmware Development>
+<Mechanical Design Integration, connectedTo, Regulatory Compliance>
+<Mechanical Design Integration, partOf, Manufacturing Process Planning>
+<Mixed_Signal Design, connectedTo, Actuator Control>
+<Optical Module Design, connectedTo, Component Selection>
+<Optical Module Design, tests hardware, Signal Integrity Analysis>
+<PCB Layout, ensures compliance, Optical Module Design>
+<Reverse Engineering, connectedTo, Circuit Design>
+<Reverse Engineering, partOf, Manufacturing Process Planning>
+<Schematic Capture, connectedTo, PCB Layout>
+<Signal Integrity Analysis, tests environmental resilience, Regulatory Compliance>
+<Supply Chain Management for Components, connectedTo, Actuator Control>
+<Supply Chain Management for Components, connectedTo, Mixed_Signal Design>
+<Supply Chain Management for Components, connectedTo, PCB Layout>
diff --git a/test/mermaid/scanned_hard/mermaid_222.mmd b/test/mermaid/scanned_hard/mermaid_222.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..12c52148a3191e6d9273d4c34c785177b0106c67
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_222.mmd
@@ -0,0 +1,56 @@
+graph LR
+    N0([start])
+    N1(Optical Module Design)
+    N2[(Electromagnetic Compatibility Testing)]
+    N3[/Power Management Design/]
+    N4(High_Speed Digital Design)
+    N5[(Prototyping)]
+    N6[[Mechanical Design Integration]]
+    N7[Power Integrity Analysis]
+    N8([end])
+    S0(( ))
+    M0(( ))
+    subgraph Enclosure Design
+        nest0_0(Schematic Capture)
+        nest0_1[Cable Management]
+        nest0_2([Environmental Testing])
+    end
+    N0 --> |yes| N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> |no| N8
+    nest0_0 -.-> |yes| nest0_1
+    nest0_1 --> |yes| nest0_2
+    N4 --> nest0_0
+    nest0_2 --> N3
+    N0 --> S0
+    S0 -.-> N4
+    S0 --> N5
+    N0 --> M0
+    N3 -.-> M0
+    M0 --> N8
+    style S0 fill:#C5CAE9,stroke:#3F51B5
+    style M0 fill:#E0E6E9,stroke:#AABEC6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#AABEC6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_223.txt b/test/mermaid/scanned_hard/mermaid_223.txt
new file mode 100644
index 0000000000000000000000000000000000000000..727329411842578aa5e5705ea80be22b56d1c4b9
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_223.txt
@@ -0,0 +1,18 @@
+<API Development, yes, Deep Linking>
+<App Store Optimization, connectedTo, end>
+<Cloud Backend for Mobile, connectedTo, Testing and Debugging>
+<Cloud Backend for Mobile, partOf, Push Notification Implementation>
+<Deep Linking, connectedTo, Wireframing>
+<Geolocation Services, connectedTo, Native App Development>
+<Native App Development, yes, API Development>
+<Prototyping, connectedTo, App Store Optimization>
+<Security Implementation, connectedTo, Prototyping>
+<Security Implementation, yes, Cloud Backend for Mobile>
+<Testing and Debugging, partOf, Push Notification Implementation>
+<Testing and Debugging, yes, Deep Linking>
+<User Feedback Collection, connectedTo, Security Implementation>
+<Wireframing, connectedTo, App Store Optimization>
+<Wireframing, connectedTo, Security Implementation>
+<Wireframing, no, end>
+<Wireframing, yes, User Feedback Collection>
+<start, connectedTo, Geolocation Services>
diff --git a/test/mermaid/scanned_hard/mermaid_225.txt b/test/mermaid/scanned_hard/mermaid_225.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c21fe3ff7e6286a529ef13fd8318228a2110f8f2
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_225.txt
@@ -0,0 +1,18 @@
+<Ad Monetization, analyzes analytics, Push Notification Implementation>
+<Ad Monetization, connectedTo, Cross_Platform Development>
+<Ad Monetization, optimizes performance, Wearable Device Integration>
+<Analytics Tracking, connectedTo, Offline Mode Development>
+<Analytics Tracking, partOf, Subscription Management>
+<Cross_Platform Development, connectedTo, Analytics Tracking>
+<Cross_Platform Development, partOf, Subscription Management>
+<Deployment to App Stores, manages updates, Wearable Device Integration>
+<Deployment to App Stores, partOf, Subscription Management>
+<Offline Mode Development, connectedTo, Deployment to App Stores>
+<Offline Mode Development, partOf, Subscription Management>
+<Prototyping, connectedTo, Ad Monetization>
+<Push Notification Implementation, connectedTo, Wearable Device Integration>
+<User Feedback Collection, connectedTo, Prototyping>
+<User Feedback Collection, connectedTo, Push Notification Implementation>
+<User Feedback Collection, connectedTo, Widget Development>
+<User Feedback Collection, integrates ads, Wearable Device Integration>
+<Wearable Device Integration, connectedTo, Widget Development>
diff --git a/test/mermaid/scanned_hard/mermaid_227.txt b/test/mermaid/scanned_hard/mermaid_227.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7f5de775784a38af1f5ec2368f67ed971741571e
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_227.txt
@@ -0,0 +1,24 @@
+<Competitor Analysis, curates UGC, Ethical Use of Social Media>
+<Content Strategy, builds personal brands, Social Selling>
+<Ethical Use of Social Media, connectedTo, Scheduling Posts>
+<Group Management, manages campaigns, Competitor Analysis>
+<Influencer Collaboration, connectedTo, Social Selling>
+<Influencer Collaboration, partOf, Engagement Rate Calculation>
+<Link_in_Bio Optimization, connectedTo, Performance Analytics>
+<Link_in_Bio Optimization, partOf, Engagement Rate Calculation>
+<Live Streaming on Social Media, connectedTo, Reputation Management>
+<Partnership Management on Social, connectedTo, Trend Monitoring>
+<Performance Analytics, connectedTo, Influencer Collaboration>
+<Performance Analytics, partOf, Engagement Rate Calculation>
+<Platform Algorithm Understanding, connectedTo, Social Media Audits>
+<Reputation Management, connectedTo, Content Strategy>
+<Reputation Management, connectedTo, Social Selling>
+<Scheduling Posts, connectedTo, Link_in_Bio Optimization>
+<Scheduling Posts, connectedTo, Social Listening>
+<Social Listening, connectedTo, Live Streaming on Social Media>
+<Social Media Audits, connectedTo, Content Strategy>
+<Social Media Audits, develops crisis plans, Scheduling Posts>
+<Social Media Audits, supports customers, Group Management>
+<Social Selling, connectedTo, Community Management>
+<Trend Monitoring, connectedTo, Social Selling>
+<Trend Monitoring, shares links, Platform Algorithm Understanding>
diff --git a/test/mermaid/scanned_hard/mermaid_228.txt b/test/mermaid/scanned_hard/mermaid_228.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fd68bdd15821e82d1cad06fe5f69b3c850f16a76
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_228.txt
@@ -0,0 +1,25 @@
+<Community Management, connectedTo, end>
+<Competitor Analysis, connectedTo, Story Format Content Creation>
+<Competitor Analysis, partOf, Live Streaming on Social Media>
+<Content Creation, connectedTo, Cross_Promotion>
+<Content Creation, partOf, Live Streaming on Social Media>
+<Content Moderation, grows followers, Community Management>
+<Content Strategy, connectedTo, Polls and Quizzes Creation>
+<Cross_Promotion, connectedTo, Content Moderation>
+<Cross_Promotion, connectedTo, Link_in_Bio Optimization>
+<Cross_Promotion, connectedTo, Social Listening>
+<Cross_Promotion, uses hashtags, end>
+<Ethical Use of Social Media, creates stories, Content Strategy>
+<Hashtag Research, collaborates with influencers, Polls and Quizzes Creation>
+<Hashtag Research, connectedTo, Content Moderation>
+<Hashtag Research, connectedTo, Ethical Use of Social Media>
+<Hashtag Research, connectedTo, end>
+<Link_in_Bio Optimization, connectedTo, Partnership Management on Social>
+<Partnership Management on Social, connectedTo, Hashtag Research>
+<Polls and Quizzes Creation, manages messages, Competitor Analysis>
+<Polls and Quizzes Creation, moderates comments, Content Moderation>
+<Social Listening, analyzes engagement, Link_in_Bio Optimization>
+<Story Format Content Creation, connectedTo, Content Creation>
+<Story Format Content Creation, partOf, Live Streaming on Social Media>
+<start, connectedTo, Link_in_Bio Optimization>
+<start, explores new features, Cross_Promotion>
diff --git a/test/mermaid/scanned_hard/mermaid_230.txt b/test/mermaid/scanned_hard/mermaid_230.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a1b178c4857d4a349b23f74482dd2c1256a5cb7e
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_230.txt
@@ -0,0 +1,23 @@
+<Click_Through Rate Optimization, connectedTo, Search Result Display>
+<Core Web Vitals Optimization, connectedTo, Search Engine Optimization>
+<Core Web Vitals Optimization, partOf, Shopping Search>
+<News Search, connectedTo, Click_Through Rate Optimization>
+<Off_Page SEO, manages SEM, Core Web Vitals Optimization>
+<Off_Page SEO, partOf, Shopping Search>
+<Paid Search Advertising, connectedTo, News Search>
+<Paid Search Advertising, connectedTo, Query Processing>
+<Personalized Search Results, analyzes competitors, News Search>
+<Personalized Search Results, connectedTo, Click_Through Rate Optimization>
+<Personalized Search Results, connectedTo, Paid Search Advertising>
+<Personalized Search Results, connectedTo, Search Result Display>
+<Query Processing, connectedTo, Off_Page SEO>
+<Query Processing, partOf, Shopping Search>
+<Search Engine Optimization, displays snippets, News Search>
+<Search Engine Optimization, partOf, Shopping Search>
+<Site Architecture Optimization, connectedTo, Personalized Search Results>
+<Video Search, connectedTo, Personalized Search Results>
+<Video Search, connectedTo, Site Architecture Optimization>
+<Video Search, uses search console, News Search>
+<start, connectedTo, News Search>
+<start, interprets analytics, Video Search>
+<start, optimizes off_page, Personalized Search Results>
diff --git a/test/mermaid/scanned_hard/mermaid_232.mmd b/test/mermaid/scanned_hard/mermaid_232.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..877738fa7cfca4114c4353307d3f106f62cdb22c
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_232.mmd
@@ -0,0 +1,76 @@
+graph RL
+    N0([Data Encryption for Identity])
+    N1(Identity Proofing)
+    N2(Verifiable Credentials)
+    N3([Fraud Detection in Identity])
+    N4[Digital Certificates]
+    N5[/Privileged Access Management/]
+    N6(Federated Identity Management)
+    N7([Blockchain_based Identity])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Attribute Management
+        nest0_0[(Credential Management)]
+        nest0_1[[User Provisioning]]
+        nest0_2[Password Management]
+        nest0_3(Authentication)
+    end
+    N0 --> N1
+    N1 -.-> |encrypts data| N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> |manages workforces| N6
+    N6 --> |provisions users| N7
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 -.-> |registers identities| nest0_3
+    N4 -.-> nest0_0
+    nest0_3 -.-> |creates portable identities| N5
+    N2 -.-> S0
+    S0 --> N5
+    S0 --> N6
+    N4 -.-> S1
+    S1 --> |manages passwords| N7
+    S1 --> N6
+    N1 -.-> M0
+    N0 -.-> |manages wallets| M0
+    M0 -.-> N4
+    style N0 fill:#C9F0F0,stroke:#4DD0E1
+    style N1 fill:#CADEDE,stroke:#94C0C0
+    style N2 fill:#CADEDE,stroke:#94C0C0
+    style N3 fill:#C9F0F0,stroke:#4DD0E1
+    style N4 fill:#C9F0F0,stroke:#4DD0E1
+    style N5 fill:#C9F0F0,stroke:#4DD0E1
+    style N6 fill:#D0E0F8,stroke:#4285F4
+    style N7 fill:#CADEDE,stroke:#94C0C0
+    style S0 fill:#C9F0F0,stroke:#4DD0E1
+    style S1 fill:#C9F0F0,stroke:#4DD0E1
+    style M0 fill:#D0E0F8,stroke:#4285F4
+    style nest0_0 fill:#C9F0F0,stroke:#4DD0E1
+    style nest0_1 fill:#D0E0F8,stroke:#4285F4
+    style nest0_2 fill:#CADEDE,stroke:#94C0C0
+    style nest0_3 fill:#D0E0F8,stroke:#4285F4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#4DD0E1,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_233.txt b/test/mermaid/scanned_hard/mermaid_233.txt
new file mode 100644
index 0000000000000000000000000000000000000000..25b4924b20e853a6b936c71173f82e039198f58b
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_233.txt
@@ -0,0 +1,20 @@
+<API Security for Identity, connectedTo, Workforce Identity Management>
+<Authentication, assesses risks, KYC Integration>
+<Authentication, connectedTo, Identity Proofing>
+<Credential Management, connectedTo, De_provisioning>
+<De_provisioning, connectedTo, Authentication>
+<Digital Wallets for Identity, connectedTo, User Registration>
+<Digital Wallets for Identity, partOf, Password Management>
+<Identity Proofing, connectedTo, Non_Repudiation>
+<Identity Proofing, enables MFA, Digital Wallets for Identity>
+<KYC Integration, connectedTo, De_provisioning>
+<Non_Repudiation, audits access, API Security for Identity>
+<Non_Repudiation, connectedTo, Risk_Based Authentication>
+<Non_Repudiation, issues certificates, Authentication>
+<Risk_Based Authentication, issues verifiable credentials, Credential Management>
+<Social Login Integration, connectedTo, Workforce Identity Management>
+<Social Login Integration, partOf, Password Management>
+<User Registration, connectedTo, Social Login Integration>
+<User Registration, partOf, Password Management>
+<Workforce Identity Management, connectedTo, Risk_Based Authentication>
+<start, connectedTo, Identity Proofing>
diff --git a/test/mermaid/scanned_hard/mermaid_234.mmd b/test/mermaid/scanned_hard/mermaid_234.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..16e345555124ac6268f18211e791428df4d25d4c
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_234.mmd
@@ -0,0 +1,88 @@
+graph BT
+    N0([Authorization])
+    N1([Single Sign_On])
+    N2[Privileged Access Management]
+    N3(API Security for Identity)
+    N4(Workforce Identity Management)
+    N5[Authentication]
+    N6(Identity Proofing)
+    N7([KYC Integration])
+    N8{Decentralized Identifiers}
+    N9[Digital Wallets for Identity]
+    N10([Identity Lifecycle Management])
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    subgraph Digital Signatures
+        nest0_0[(Customer Identity and Access Management)]
+        nest0_1[Federated Identity Management]
+        nest0_2[[Adaptive Authentication]]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> |provisions users| N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> |registers identities| N8
+    N8 -.-> |implements adaptive authentication| N9
+    N9 -.-> N10
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    N8 -.-> nest0_0
+    nest0_2 -.-> N7
+    N1 -.-> S0
+    S0 --> |issues verifiable credentials| N3
+    S0 -.-> N9
+    S0 -.-> N7
+    N7 --> S1
+    S1 --> N9
+    S1 --> |ensures non_repudiation| N10
+    N0 -.-> M1
+    N2 --> M1
+    N1 --> M1
+    M1 -.-> N4
+    style N0 fill:#FCE4EC,stroke:#E91E63
+    style N1 fill:#DACBE3,stroke:#A188D0
+    style N2 fill:#FCE4EC,stroke:#E91E63
+    style N3 fill:#FCE4EC,stroke:#E91E63
+    style N4 fill:#F6F6F6,stroke:#CFCFCF
+    style N5 fill:#FCE4EC,stroke:#E91E63
+    style N6 fill:#FCE4EC,stroke:#E91E63
+    style N7 fill:#F6F6F6,stroke:#CFCFCF
+    style N8 fill:#FCE4EC,stroke:#E91E63
+    style N9 fill:#FCE4EC,stroke:#E91E63
+    style N10 fill:#DACBE3,stroke:#A188D0
+    style S0 fill:#F6F6F6,stroke:#CFCFCF
+    style S1 fill:#DACBE3,stroke:#A188D0
+    style M1 fill:#DACBE3,stroke:#A188D0
+    style nest0_0 fill:#FCE4EC,stroke:#E91E63
+    style nest0_1 fill:#F6F6F6,stroke:#CFCFCF
+    style nest0_2 fill:#FCE4EC,stroke:#E91E63
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#E91E63,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_235.txt b/test/mermaid/scanned_hard/mermaid_235.txt
new file mode 100644
index 0000000000000000000000000000000000000000..647aa3fc83acd654d1914cba985a8c3f293843fa
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_235.txt
@@ -0,0 +1,20 @@
+<Asynchronous Learning, no, Collaborative Projects>
+<Blended Learning Models, connectedTo, Learning Analytics>
+<Collaborative Projects, no, start>
+<Collaborative Projects, yes, end>
+<Competency_Based Education, yes, Blended Learning Models>
+<Course Evaluation, connectedTo, Interactive Learning Activities>
+<Digital Badges, connectedTo, Asynchronous Learning>
+<Enrollment and Retention Strategies, connectedTo, Blended Learning Models>
+<Enrollment and Retention Strategies, connectedTo, Competency_Based Education>
+<Enrollment and Retention Strategies, connectedTo, Gamification in Education>
+<Enrollment and Retention Strategies, connectedTo, Learning Analytics>
+<Feedback and Grading, no, Digital Badges>
+<Gamification in Education, connectedTo, Parent or Guardian Communication>
+<Gamification in Education, partOf, Student Progress Tracking>
+<Interactive Learning Activities, connectedTo, Enrollment and Retention Strategies>
+<Learning Analytics, connectedTo, Feedback and Grading>
+<Parent or Guardian Communication, connectedTo, Feedback and Grading>
+<Parent or Guardian Communication, connectedTo, Gamification in Education>
+<Parent or Guardian Communication, partOf, Student Progress Tracking>
+<start, connectedTo, Course Evaluation>
diff --git a/test/mermaid/scanned_hard/mermaid_237.mmd b/test/mermaid/scanned_hard/mermaid_237.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..7bc6f35332dc344f69a77b9f499db03af6ad5db0
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_237.mmd
@@ -0,0 +1,57 @@
+graph TD
+    N0([start])
+    N1(Virtual Labs and Simulations)
+    N2(Online Tutoring)
+    N3[[Content Creation]]
+    N4{Digital Badges}
+    N5([Adaptive Learning Technologies])
+    N6{Certification Issuance}
+    N7[[Personalized Learning Paths]]
+    N8([end])
+    S0(( ))
+    M1(( ))
+    subgraph Collaborative Projects
+        nest0_0[Test Preparation Courses]
+        nest0_1{Learning Analytics}
+    end
+    N0 -.-> N1
+    N1 -.-> |no| N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> |no| N7
+    N7 --> N8
+    nest0_0 -.-> |yes| nest0_1
+    N1 -.-> |yes| nest0_0
+    nest0_1 -.-> N5
+    N3 -.-> S0
+    S0 -.-> N7
+    S0 -.-> N5
+    S0 -.-> N8
+    N0 -.-> |yes| M1
+    N4 -.-> |yes| M1
+    N2 --> M1
+    M1 -.-> N6
+    style S0 fill:#F1F8E9,stroke:#81C784
+    style M1 fill:#F1F8E9,stroke:#81C784
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#6EB76D,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_237.txt b/test/mermaid/scanned_hard/mermaid_237.txt
new file mode 100644
index 0000000000000000000000000000000000000000..104c940c101c1582cc8387fbad1ad2d7362ccbf8
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_237.txt
@@ -0,0 +1,19 @@
+<Adaptive Learning Technologies, connectedTo, Certification Issuance>
+<Certification Issuance, no, Personalized Learning Paths>
+<Content Creation, connectedTo, Adaptive Learning Technologies>
+<Content Creation, connectedTo, Digital Badges>
+<Content Creation, connectedTo, Personalized Learning Paths>
+<Content Creation, connectedTo, end>
+<Digital Badges, connectedTo, Adaptive Learning Technologies>
+<Digital Badges, yes, Certification Issuance>
+<Learning Analytics, connectedTo, Adaptive Learning Technologies>
+<Learning Analytics, partOf, Collaborative Projects>
+<Online Tutoring, connectedTo, Certification Issuance>
+<Online Tutoring, connectedTo, Content Creation>
+<Personalized Learning Paths, connectedTo, end>
+<Test Preparation Courses, partOf, Collaborative Projects>
+<Test Preparation Courses, yes, Learning Analytics>
+<Virtual Labs and Simulations, no, Online Tutoring>
+<Virtual Labs and Simulations, yes, Test Preparation Courses>
+<start, connectedTo, Virtual Labs and Simulations>
+<start, yes, Certification Issuance>
diff --git a/test/mermaid/scanned_hard/mermaid_238.mmd b/test/mermaid/scanned_hard/mermaid_238.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..07e30486b68e6360abf954351a52a4abe3c273e6
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_238.mmd
@@ -0,0 +1,74 @@
+graph RL
+    N0([start])
+    N1{Instructor Recruitment for MOOCs}
+    N2{Technical Infrastructure for Scale}
+    N3[Completion Rate Optimization]
+    N4{Discussion Forum Management}
+    N5[[Continuous Course Improvement]]
+    N6[(Specialization or Professional Certificate Programs)]
+    N7([Translation and Localization])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Video Lecture Production
+        nest0_0[(Industry Collaboration for Content)]
+        nest0_1(Skill_Based Learning Outcomes)
+        nest0_2(University Partnerships)
+    end
+    N0 -.-> |analyzes data| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    nest0_0 --> nest0_1
+    nest0_1 -.-> |personalizes learning| nest0_2
+    N3 --> |offers pathways| nest0_0
+    nest0_2 -.-> |manages certifications| N1
+    N4 -.-> S0
+    S0 --> N6
+    S0 --> N7
+    N1 -.-> S1
+    S1 -.-> N3
+    S1 -.-> N7
+    S1 -.-> N6
+    N0 --> M0
+    N2 -.-> M0
+    M0 -.-> N4
+    style N0 fill:#FFEBEB,stroke:#FFC2C2
+    style N1 fill:#FFEBEB,stroke:#FFC2C2
+    style N2 fill:#F3E5F5,stroke:#AB47BC
+    style N3 fill:#F3E5F5,stroke:#AB47BC
+    style N4 fill:#ECF0FD,stroke:#B8C0F5
+    style N5 fill:#FFEBEB,stroke:#FFC2C2
+    style N6 fill:#ECF0FD,stroke:#B8C0F5
+    style N7 fill:#ECF0FD,stroke:#B8C0F5
+    style S0 fill:#ECF0FD,stroke:#B8C0F5
+    style S1 fill:#F3E5F5,stroke:#AB47BC
+    style M0 fill:#ECF0FD,stroke:#B8C0F5
+    style nest0_0 fill:#F3E5F5,stroke:#AB47BC
+    style nest0_1 fill:#ECF0FD,stroke:#B8C0F5
+    style nest0_2 fill:#ECF0FD,stroke:#B8C0F5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFC2C2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_238.txt b/test/mermaid/scanned_hard/mermaid_238.txt
new file mode 100644
index 0000000000000000000000000000000000000000..68d991c14c4d5d6e1531c9b63d19107d0a9a9d1b
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_238.txt
@@ -0,0 +1,21 @@
+<Completion Rate Optimization, connectedTo, Discussion Forum Management>
+<Completion Rate Optimization, offers pathways, Industry Collaboration for Content>
+<Continuous Course Improvement, connectedTo, Specialization or Professional Certificate Programs>
+<Discussion Forum Management, connectedTo, Continuous Course Improvement>
+<Discussion Forum Management, connectedTo, Specialization or Professional Certificate Programs>
+<Discussion Forum Management, connectedTo, Translation and Localization>
+<Industry Collaboration for Content, connectedTo, Skill_Based Learning Outcomes>
+<Industry Collaboration for Content, partOf, Video Lecture Production>
+<Instructor Recruitment for MOOCs, connectedTo, Completion Rate Optimization>
+<Instructor Recruitment for MOOCs, connectedTo, Specialization or Professional Certificate Programs>
+<Instructor Recruitment for MOOCs, connectedTo, Technical Infrastructure for Scale>
+<Instructor Recruitment for MOOCs, connectedTo, Translation and Localization>
+<Skill_Based Learning Outcomes, partOf, Video Lecture Production>
+<Skill_Based Learning Outcomes, personalizes learning, University Partnerships>
+<Specialization or Professional Certificate Programs, connectedTo, Translation and Localization>
+<Technical Infrastructure for Scale, connectedTo, Completion Rate Optimization>
+<Technical Infrastructure for Scale, connectedTo, Discussion Forum Management>
+<University Partnerships, manages certifications, Instructor Recruitment for MOOCs>
+<University Partnerships, partOf, Video Lecture Production>
+<start, analyzes data, Instructor Recruitment for MOOCs>
+<start, connectedTo, Discussion Forum Management>
diff --git a/test/mermaid/scanned_hard/mermaid_239.mmd b/test/mermaid/scanned_hard/mermaid_239.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c6d759dfaea8314e848395079836197e0d990339
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_239.mmd
@@ -0,0 +1,88 @@
+graph BT
+    N0([start])
+    N1(Peer Grading Implementation)
+    N2[(Gamification for Engagement)]
+    N3[/Self_Paced Learning Tracks/]
+    N4(Micro_credential Stacking)
+    N5[[Mobile Learning Experience]]
+    N6{Course Audit Options}
+    N7{Forum Moderation}
+    N8{Marketing to Global Audience}
+    N9[Subscription Models]
+    N10[Skill_Based Learning Outcomes]
+    N11[(Assessment Creation)]
+    N12(Learner Support)
+    N13(Translation and Localization)
+    N14([Employer Recognition])
+    S0(( ))
+    M0(( ))
+    subgraph Course Promotion
+        nest0_0[Corporate Training Solutions]
+        nest0_1[[Engagement Metrics Tracking]]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> |integrates tools| N9
+    N9 -.-> |facilitates peer review| N10
+    N10 --> N11
+    N11 --> N12
+    N12 -.-> N13
+    N13 --> |offers assignments| N14
+    nest0_0 -.-> nest0_1
+    N9 -.-> |monetizes offerings| nest0_0
+    nest0_1 --> N3
+    N9 -.-> S0
+    S0 -.-> N11
+    S0 --> |provides technical support| N14
+    N0 -.-> |translates content| M0
+    N6 -.-> M0
+    M0 -.-> N10
+    style N0 fill:#FFDCD6,stroke:#FFB2A5
+    style N1 fill:#FFDCD6,stroke:#FFB2A5
+    style N2 fill:#FFDCD6,stroke:#FFB2A5
+    style N3 fill:#DDCEDD,stroke:#AF56A6
+    style N4 fill:#DDCEDD,stroke:#AF56A6
+    style N5 fill:#DDCEDD,stroke:#AF56A6
+    style N6 fill:#E6EE9C,stroke:#CDDC39
+    style N7 fill:#E6EE9C,stroke:#CDDC39
+    style N8 fill:#DDCEDD,stroke:#AF56A6
+    style N9 fill:#FFDCD6,stroke:#FFB2A5
+    style N10 fill:#FFDCD6,stroke:#FFB2A5
+    style N11 fill:#E6EE9C,stroke:#CDDC39
+    style N12 fill:#DDCEDD,stroke:#AF56A6
+    style N13 fill:#FFDCD6,stroke:#FFB2A5
+    style N14 fill:#FFDCD6,stroke:#FFB2A5
+    style S0 fill:#E6EE9C,stroke:#CDDC39
+    style M0 fill:#DDCEDD,stroke:#AF56A6
+    style nest0_0 fill:#DDCEDD,stroke:#AF56A6
+    style nest0_1 fill:#E6EE9C,stroke:#CDDC39
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_240.mmd b/test/mermaid/scanned_hard/mermaid_240.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0ab22b35ab9bc345a196680fec3a27cb34d9ee9e
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_240.mmd
@@ -0,0 +1,60 @@
+graph TD
+    N0([start])
+    N1[(Completion Rate Optimization)]
+    N2{Video Lecture Production}
+    N3(Industry Collaboration for Content)
+    N4[Continuous Course Improvement]
+    N5(Learner Analytics)
+    N6([end])
+    S0(( ))
+    S1(( ))
+    subgraph Instructor_Led Sessions
+        nest0_0[/Learner Feedback Analysis/]
+        nest0_1[Course Content Development]
+        nest0_2[/Specialization or Professional Certificate Programs/]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    nest0_0 -.-> |updates content| nest0_1
+    nest0_1 --> nest0_2
+    N2 --> |develops content| nest0_0
+    nest0_2 -.-> N2
+    N0 --> S0
+    S0 -.-> N3
+    S0 --> N5
+    N1 -.-> S1
+    S1 --> |issues statements of accomplishment| N4
+    S1 --> N5
+    style N0 fill:#E1F5FE,stroke:#4FC3F7
+    style N1 fill:#E1F5FE,stroke:#4FC3F7
+    style N2 fill:#E1F5FE,stroke:#4FC3F7
+    style N3 fill:#E1F5FE,stroke:#4FC3F7
+    style N4 fill:#E6EE9C,stroke:#CDDC39
+    style N5 fill:#E6EE9C,stroke:#CDDC39
+    style N6 fill:#E1F5FE,stroke:#4FC3F7
+    style S0 fill:#E1F5FE,stroke:#4FC3F7
+    style S1 fill:#E1F5FE,stroke:#4FC3F7
+    style nest0_0 fill:#E1F5FE,stroke:#4FC3F7
+    style nest0_1 fill:#E6EE9C,stroke:#CDDC39
+    style nest0_2 fill:#E6EE9C,stroke:#CDDC39
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#4FC3F7,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_240.txt b/test/mermaid/scanned_hard/mermaid_240.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c61f8de21ce859adc5c5315b2d29d41882be82b9
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_240.txt
@@ -0,0 +1,17 @@
+<Completion Rate Optimization, connectedTo, Learner Analytics>
+<Completion Rate Optimization, connectedTo, Video Lecture Production>
+<Completion Rate Optimization, issues statements of accomplishment, Continuous Course Improvement>
+<Continuous Course Improvement, connectedTo, Learner Analytics>
+<Course Content Development, connectedTo, Specialization or Professional Certificate Programs>
+<Course Content Development, partOf, Instructor_Led Sessions>
+<Industry Collaboration for Content, connectedTo, Continuous Course Improvement>
+<Learner Analytics, connectedTo, end>
+<Learner Feedback Analysis, partOf, Instructor_Led Sessions>
+<Learner Feedback Analysis, updates content, Course Content Development>
+<Specialization or Professional Certificate Programs, connectedTo, Video Lecture Production>
+<Specialization or Professional Certificate Programs, partOf, Instructor_Led Sessions>
+<Video Lecture Production, connectedTo, Industry Collaboration for Content>
+<Video Lecture Production, develops content, Learner Feedback Analysis>
+<start, connectedTo, Completion Rate Optimization>
+<start, connectedTo, Industry Collaboration for Content>
+<start, connectedTo, Learner Analytics>
diff --git a/test/mermaid/scanned_hard/mermaid_241.mmd b/test/mermaid/scanned_hard/mermaid_241.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..bf503a52e9ae73b8a863992d706d41dd9028eddc
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_241.mmd
@@ -0,0 +1,140 @@
+graph BT
+    N0([start])
+    N1[/Customer Onboarding/]
+    N2(Debt Collection)
+    N3[Loan Processing]
+    N4{Financial Advisory}
+    N5[(Approval Decision)]
+    N6[/Underwriting/]
+    N7(Compliance Review)
+    N8[(Venture Capital Funding)]
+    N9{Collateral Evaluation}
+    N10[[Portfolio Management]]
+    N11(Fund Disbursement)
+    N12(Blockchain Verification)
+    N13[(Cryptocurrency Exchange)]
+    N14[IPO Launch]
+    N15([Wealth Management])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Risk Assessment
+        nest0_0([Fraud Check])
+        nest0_1[/Merger and Acquisition/]
+        nest0_2([Transaction Logging])
+    end
+    subgraph Credit Scoring
+        nest1_0(Treasury Management)
+        nest1_1[/Interest Calculation/]
+        nest1_2[(Securities Trading)]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 -.-> |loans| N12
+    N12 --> N13
+    N13 --> N14
+    N14 -.-> N15
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    N2 -.-> nest0_0
+    nest0_2 -.-> N8
+    nest1_0 --> nest1_1
+    nest1_1 --> nest1_2
+    N11 --> nest1_0
+    nest1_2 -.-> N12
+    N12 -.-> S0
+    S0 --> N14
+    S0 --> N15
+    N8 -.-> S1
+    S1 -.-> N11
+    S1 -.-> N10
+    S1 -.-> N15
+    N7 -.-> S2
+    S2 --> N12
+    S2 --> |reports| N15
+    N3 --> M0
+    N6 -.-> M0
+    M0 -.-> N9
+    N3 -.-> M1
+    N0 -.-> M1
+    N2 --> M1
+    M1 --> N5
+    style N0 fill:#D6D9F0,stroke:#9FA9E1
+    style N1 fill:#F9FBE7,stroke:#C0CA33
+    style N2 fill:#F9FBE7,stroke:#C0CA33
+    style N3 fill:#D6D9F0,stroke:#9FA9E1
+    style N4 fill:#D6D9F0,stroke:#9FA9E1
+    style N5 fill:#D6D9F0,stroke:#9FA9E1
+    style N6 fill:#F9FBE7,stroke:#C0CA33
+    style N7 fill:#F9FBE7,stroke:#C0CA33
+    style N8 fill:#FFF6D9,stroke:#FFCC7A
+    style N9 fill:#F9FBE7,stroke:#C0CA33
+    style N10 fill:#FFF6D9,stroke:#FFCC7A
+    style N11 fill:#D6D9F0,stroke:#9FA9E1
+    style N12 fill:#F9FBE7,stroke:#C0CA33
+    style N13 fill:#D6D9F0,stroke:#9FA9E1
+    style N14 fill:#FFF6D9,stroke:#FFCC7A
+    style N15 fill:#F9FBE7,stroke:#C0CA33
+    style S0 fill:#F9FBE7,stroke:#C0CA33
+    style S1 fill:#D6D9F0,stroke:#9FA9E1
+    style S2 fill:#D6D9F0,stroke:#9FA9E1
+    style M0 fill:#F9FBE7,stroke:#C0CA33
+    style M1 fill:#F9FBE7,stroke:#C0CA33
+    style nest0_0 fill:#D6D9F0,stroke:#9FA9E1
+    style nest0_1 fill:#FFF6D9,stroke:#FFCC7A
+    style nest0_2 fill:#D6D9F0,stroke:#9FA9E1
+    style nest1_0 fill:#F9FBE7,stroke:#C0CA33
+    style nest1_1 fill:#F9FBE7,stroke:#C0CA33
+    style nest1_2 fill:#F9FBE7,stroke:#C0CA33
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#9FA9E1,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_242.txt b/test/mermaid/scanned_hard/mermaid_242.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2d5bccf4b62cc70c0ec582cc234d31cbc90cda74
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_242.txt
@@ -0,0 +1,40 @@
+<Anesthesia Administration, connectedTo, Imaging Scan>
+<Clinical Trial, connectedTo, Medication Dispensing>
+<Dental Check_up, connectedTo, Patient Intake>
+<Diagnosis, connectedTo, Clinical Trial>
+<Diagnosis, connectedTo, Emergency Response>
+<Diagnosis, connectedTo, Medical History>
+<Diagnosis, connectedTo, Patient Education>
+<Diagnosis, connectedTo, Patient Transfer>
+<Discharge, connectedTo, Referral>
+<Discharge, partOf, Device Implantation>
+<Emergency Response, connectedTo, Patient Transfer>
+<Imaging Scan, connectedTo, Medical History>
+<Imaging Scan, connectedTo, Nutritional Counseling>
+<Insurance Claim, connectedTo, end>
+<Insurance Claim, partOf, Epidemiological Tracking>
+<Medical History, connectedTo, Nutritional Counseling>
+<Medication Dispensing, connectedTo, Dental Check_up>
+<Medication Dispensing, connectedTo, Wound Care>
+<Nutritional Counseling, connectedTo, Emergency Response>
+<Patient Education, connectedTo, Discharge>
+<Patient Education, partOf, Device Implantation>
+<Patient Intake, connectedTo, Nutritional Counseling>
+<Patient Intake, connectedTo, Wound Care>
+<Patient Intake, yes, Telemedicine Consultation>
+<Patient Transfer, connectedTo, end>
+<Pharmacy Order, connectedTo, Nutritional Counseling>
+<Pharmacy Order, connectedTo, Patient Transfer>
+<Pharmacy Order, connectedTo, Referral>
+<Pharmacy Order, connectedTo, Wound Care>
+<Referral, connectedTo, Diagnosis>
+<Rehabilitation Therapy, yes, Symptom Monitoring>
+<Symptom Monitoring, connectedTo, Anesthesia Administration>
+<Symptom Monitoring, connectedTo, Triage>
+<Telemedicine Consultation, connectedTo, Imaging Scan>
+<Telemedicine Consultation, connectedTo, Rehabilitation Therapy>
+<Telemedicine Consultation, connectedTo, Wound Care>
+<Triage, connectedTo, Insurance Claim>
+<Triage, partOf, Epidemiological Tracking>
+<Wound Care, connectedTo, Rehabilitation Therapy>
+<start, connectedTo, Pharmacy Order>
diff --git a/test/mermaid/scanned_hard/mermaid_243.txt b/test/mermaid/scanned_hard/mermaid_243.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b1b245408870d3c8b774e34d93c7bc881adde605
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_243.txt
@@ -0,0 +1,42 @@
+<Assembly, connectedTo, Safety Audit>
+<Assembly, partOf, Shipping>
+<Automated Guided Vehicle Operation, connectedTo, Production Scheduling>
+<Automated Guided Vehicle Operation, yes, Welding>
+<Ergonomics Assessment, connectedTo, Automated Guided Vehicle Operation>
+<Factory Layout Planning, connectedTo, Supply Chain Synchronization>
+<Final Testing, connectedTo, Inventory Check>
+<Final Testing, connectedTo, Production Scheduling>
+<Inventory Check, connectedTo, Ergonomics Assessment>
+<Inventory Check, no, Production Scheduling>
+<Logistics Planning, connectedTo, Final Testing>
+<Packaging, connectedTo, Safety Audit>
+<Painting, connectedTo, Assembly>
+<Painting, partOf, Shipping>
+<Procurement, connectedTo, Serialization>
+<Procurement, partOf, Bills of Material Generation>
+<Production Scheduling, connectedTo, Robotics Integration>
+<Quality Control, connectedTo, Storage>
+<Quality Control, connectedTo, Tool Setup>
+<Quality Control, no, end>
+<Raw Material, connectedTo, Ergonomics Assessment>
+<Raw Material, connectedTo, Final Testing>
+<Raw Material, connectedTo, Inventory Check>
+<Raw Material, connectedTo, Packaging>
+<Raw Material, connectedTo, end>
+<Robotics Integration, connectedTo, Painting>
+<Robotics Integration, connectedTo, Quality Control>
+<Safety Audit, connectedTo, Logistics Planning>
+<Safety Audit, connectedTo, Production Scheduling>
+<Serialization, connectedTo, Factory Layout Planning>
+<Serialization, partOf, Bills of Material Generation>
+<Storage, connectedTo, end>
+<Supplier Qualification, connectedTo, Final Testing>
+<Supplier Qualification, connectedTo, Raw Material>
+<Supply Chain Synchronization, connectedTo, Final Testing>
+<Supply Chain Synchronization, connectedTo, Supplier Qualification>
+<Tool Setup, connectedTo, Storage>
+<Welding, connectedTo, Procurement>
+<Welding, partOf, Bills of Material Generation>
+<start, connectedTo, Factory Layout Planning>
+<start, connectedTo, Final Testing>
+<start, connectedTo, Production Scheduling>
diff --git a/test/mermaid/scanned_hard/mermaid_244.mmd b/test/mermaid/scanned_hard/mermaid_244.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..7099529ccc88c893f270a0066be566e5db0dd235
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_244.mmd
@@ -0,0 +1,100 @@
+graph TD
+    N0([Field Trip Coordination])
+    N1(School Accreditation)
+    N2(Research Grant Application)
+    N3{Peer Tutoring}
+    N4(Student Enrollment)
+    N5[[Transcript Issuance]]
+    N6([Online Learning Platform Management])
+    N7{Course Material Preparation}
+    N8[[Special Education Support]]
+    N9[[Orientation]]
+    N10[Attendance Tracking]
+    S0(( ))
+    S1(( ))
+    subgraph Alumni Network Management
+        nest0_0(Graduation Approval)
+        nest0_1(Assignment Submission)
+        nest0_2(Library Registration)
+        nest0_3([Club Registration])
+    end
+    subgraph Advisory Committee Meeting
+        nest1_0[(Certificate Issuance)]
+        nest1_1{Parent_Teacher Conference}
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 -.-> nest0_3
+    N1 -.-> nest0_0
+    nest0_3 --> N5
+    nest1_0 -.-> nest1_1
+    N8 --> nest1_0
+    nest1_1 -.-> N8
+    N4 --> S0
+    S0 -.-> |communicates| N7
+    S0 --> N10
+    S0 -.-> N8
+    S0 --> |issues| N9
+    N2 --> S1
+    S1 -.-> N6
+    S1 --> N7
+    S1 --> N9
+    S1 -.-> N4
+    style N0 fill:#C5CAE9,stroke:#3F51B5
+    style N1 fill:#C5CAE9,stroke:#3F51B5
+    style N2 fill:#EFE6FF,stroke:#C2B2F0
+    style N3 fill:#C5CAE9,stroke:#3F51B5
+    style N4 fill:#EFE6FF,stroke:#C2B2F0
+    style N5 fill:#EFE6FF,stroke:#C2B2F0
+    style N6 fill:#C5CAE9,stroke:#3F51B5
+    style N7 fill:#C5CAE9,stroke:#3F51B5
+    style N8 fill:#EFE6FF,stroke:#C2B2F0
+    style N9 fill:#C5CAE9,stroke:#3F51B5
+    style N10 fill:#EFE6FF,stroke:#C2B2F0
+    style S0 fill:#F1F8E9,stroke:#388E3C
+    style S1 fill:#C5CAE9,stroke:#3F51B5
+    style nest0_0 fill:#C5CAE9,stroke:#3F51B5
+    style nest0_1 fill:#EFE6FF,stroke:#C2B2F0
+    style nest0_2 fill:#F1F8E9,stroke:#388E3C
+    style nest0_3 fill:#C5CAE9,stroke:#3F51B5
+    style nest1_0 fill:#F1F8E9,stroke:#388E3C
+    style nest1_1 fill:#F1F8E9,stroke:#388E3C
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#C2B2F0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_245.txt b/test/mermaid/scanned_hard/mermaid_245.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2fba7762f08adbbbad276cc5a4bf72d6d74ffd1b
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_245.txt
@@ -0,0 +1,41 @@
+<A or B Testing, connectedTo, Stock Replenishment>
+<Add to Cart, connectedTo, Supplier Onboarding>
+<Affiliate Marketing, connectedTo, end>
+<Checkout, connectedTo, Payment Gateway Reconciliation>
+<Customer Segmentation, connectedTo, Payment>
+<Customer Segmentation, connectedTo, Return Merchandise Authorization>
+<Data Analytics Reporting, partOf, Order Confirmation>
+<Data Analytics Reporting, tracks, Gift Card Purchase>
+<Delivery Rescheduling, connectedTo, Inventory Update>
+<Gift Card Purchase, connectedTo, Refund Process>
+<Gift Card Purchase, partOf, Order Confirmation>
+<Inventory Update, connectedTo, Invoice Generation>
+<Invoice Generation, connectedTo, User Account Management>
+<Loyalty Points, bundles, Product Listing>
+<Loyalty Points, partOf, Cross_selling Recommendation>
+<Mobile App Interaction, connectedTo, A or B Testing>
+<Mobile App Interaction, connectedTo, Return Merchandise Authorization>
+<Payment, connectedTo, Data Analytics Reporting>
+<Payment, connectedTo, Subscription Service>
+<Payment Gateway Reconciliation, connectedTo, Delivery Rescheduling>
+<Product Listing, partOf, Cross_selling Recommendation>
+<Product Listing, refunds, Return Merchandise Authorization>
+<Product Recommendation, connectedTo, Add to Cart>
+<Product Recommendation, connectedTo, Wishlist Management>
+<Product Recommendation, ships, Payment>
+<Refund Process, collects, Inventory Update>
+<Refund Process, partOf, Order Confirmation>
+<Return Merchandise Authorization, connectedTo, Payment>
+<Social Media Integration, authenticates, Return Merchandise Authorization>
+<Social Media Integration, connectedTo, Product Recommendation>
+<Social Media Integration, connectedTo, Wishlist Management>
+<Stock Replenishment, connectedTo, Customer Segmentation>
+<Subscription Service, connectedTo, Checkout>
+<Subscription Service, connectedTo, Inventory Update>
+<Subscription Service, connectedTo, Invoice Generation>
+<Subscription Service, connectedTo, end>
+<Supplier Onboarding, connectedTo, Return Merchandise Authorization>
+<Supplier Onboarding, connectedTo, Wishlist Management>
+<User Account Management, connectedTo, Affiliate Marketing>
+<Wishlist Management, connectedTo, Loyalty Points>
+<Wishlist Management, connectedTo, Mobile App Interaction>
diff --git a/test/mermaid/scanned_hard/mermaid_246.mmd b/test/mermaid/scanned_hard/mermaid_246.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..6635032a377d60100b3287146b8b91ba87aab0d0
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_246.mmd
@@ -0,0 +1,128 @@
+graph BT
+    N0([Weather Impact Assessment])
+    N1[Vehicle Assignment]
+    N2[Location Input]
+    N3[[Incident Report]]
+    N4{Passenger Feedback}
+    N5[/Ticket Purchase/]
+    N6[Intermodal Transfer]
+    N7([Accident Reconstruction])
+    N8(Fleet Management)
+    N9[Tunnel Monitoring]
+    N10([Ride_sharing Request])
+    N11{Public Transport Ticketing}
+    N12[/Parking Management/]
+    N13(Security Check)
+    N14{Load Balancing}
+    N15[[Maintenance Check]]
+    N16([Road Network Management])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Navigation Update
+        nest0_0[/Customs Clearance/]
+        nest0_1([Platform Assignment])
+    end
+    subgraph Cargo Loading
+        nest1_0[Vehicle Tracking]
+        nest1_1(Fare Calculation)
+        nest1_2(Fueling)
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> |audits| N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 --> N13
+    N13 --> N14
+    N14 --> N15
+    N15 --> N16
+    nest0_0 --> nest0_1
+    N6 -.-> nest0_0
+    nest0_1 -.-> N10
+    nest1_0 --> nest1_1
+    nest1_1 -.-> nest1_2
+    N7 -.-> nest1_0
+    nest1_2 -.-> N3
+    N6 --> S0
+    S0 -.-> N16
+    S0 --> N12
+    N10 --> S1
+    S1 -.-> N12
+    S1 -.-> N16
+    N14 -.-> M0
+    N8 -.-> M0
+    M0 --> N16
+    N0 -.-> M1
+    N1 -.-> M1
+    M1 -.-> N3
+    style N0 fill:#FFFAE0,stroke:#FFE470
+    style N1 fill:#FCE4EC,stroke:#E91E63
+    style N2 fill:#FFFAE0,stroke:#FFE470
+    style N3 fill:#FCE4EC,stroke:#E91E63
+    style N4 fill:#D3D7EB,stroke:#8C9EFF
+    style N5 fill:#FCE4EC,stroke:#E91E63
+    style N6 fill:#FFFAE0,stroke:#FFE470
+    style N7 fill:#FCE4EC,stroke:#E91E63
+    style N8 fill:#D3D7EB,stroke:#8C9EFF
+    style N9 fill:#D3D7EB,stroke:#8C9EFF
+    style N10 fill:#D3D7EB,stroke:#8C9EFF
+    style N11 fill:#D3D7EB,stroke:#8C9EFF
+    style N12 fill:#FCE4EC,stroke:#E91E63
+    style N13 fill:#D3D7EB,stroke:#8C9EFF
+    style N14 fill:#D3D7EB,stroke:#8C9EFF
+    style N15 fill:#D3D7EB,stroke:#8C9EFF
+    style N16 fill:#FFFAE0,stroke:#FFE470
+    style S0 fill:#FFFAE0,stroke:#FFE470
+    style S1 fill:#FCE4EC,stroke:#E91E63
+    style M0 fill:#FCE4EC,stroke:#E91E63
+    style M1 fill:#FFFAE0,stroke:#FFE470
+    style nest0_0 fill:#D3D7EB,stroke:#8C9EFF
+    style nest0_1 fill:#D3D7EB,stroke:#8C9EFF
+    style nest1_0 fill:#D3D7EB,stroke:#8C9EFF
+    style nest1_1 fill:#FFFAE0,stroke:#FFE470
+    style nest1_2 fill:#FCE4EC,stroke:#E91E63
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#8C9EFF,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_246.txt b/test/mermaid/scanned_hard/mermaid_246.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1b996a4422f26e5fdf7a1b91586b4cc579ca5018
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_246.txt
@@ -0,0 +1,36 @@
+<Accident Reconstruction, connectedTo, Fleet Management>
+<Accident Reconstruction, connectedTo, Vehicle Tracking>
+<Customs Clearance, connectedTo, Platform Assignment>
+<Customs Clearance, partOf, Navigation Update>
+<Fare Calculation, connectedTo, Fueling>
+<Fare Calculation, partOf, Cargo Loading>
+<Fleet Management, connectedTo, Road Network Management>
+<Fleet Management, connectedTo, Tunnel Monitoring>
+<Fueling, connectedTo, Incident Report>
+<Fueling, partOf, Cargo Loading>
+<Incident Report, connectedTo, Passenger Feedback>
+<Intermodal Transfer, connectedTo, Accident Reconstruction>
+<Intermodal Transfer, connectedTo, Customs Clearance>
+<Intermodal Transfer, connectedTo, Parking Management>
+<Intermodal Transfer, connectedTo, Road Network Management>
+<Load Balancing, connectedTo, Maintenance Check>
+<Load Balancing, connectedTo, Road Network Management>
+<Location Input, connectedTo, Incident Report>
+<Maintenance Check, connectedTo, Road Network Management>
+<Parking Management, connectedTo, Security Check>
+<Passenger Feedback, connectedTo, Ticket Purchase>
+<Platform Assignment, connectedTo, Ride_sharing Request>
+<Platform Assignment, partOf, Navigation Update>
+<Public Transport Ticketing, connectedTo, Parking Management>
+<Ride_sharing Request, connectedTo, Parking Management>
+<Ride_sharing Request, connectedTo, Public Transport Ticketing>
+<Ride_sharing Request, connectedTo, Road Network Management>
+<Security Check, connectedTo, Load Balancing>
+<Ticket Purchase, connectedTo, Intermodal Transfer>
+<Tunnel Monitoring, audits, Ride_sharing Request>
+<Vehicle Assignment, connectedTo, Incident Report>
+<Vehicle Assignment, connectedTo, Location Input>
+<Vehicle Tracking, connectedTo, Fare Calculation>
+<Vehicle Tracking, partOf, Cargo Loading>
+<Weather Impact Assessment, connectedTo, Incident Report>
+<Weather Impact Assessment, connectedTo, Vehicle Assignment>
diff --git a/test/mermaid/scanned_hard/mermaid_247.mmd b/test/mermaid/scanned_hard/mermaid_247.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b0637eede64aa3033192d1f064e3e4076f44406d
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_247.mmd
@@ -0,0 +1,122 @@
+graph LR
+    N0([start])
+    N1[[Carbon Capture]]
+    N2(Hydropower Generation)
+    N3[[Energy Storage]]
+    N4[(Peak Shaving)]
+    N5{Grid Balancing}
+    N6[Power Plant]
+    N7[(Energy Efficiency Audit)]
+    N8(Substation Automation)
+    N9[[Energy Infrastructure Planning]]
+    N10(Fuel Delivery)
+    N11(Sensor Reading)
+    N12[(Cybersecurity for Grid)]
+    N13[/Energy Trading/]
+    N14[(Pipeline Monitoring)]
+    N15[(Outage Detection)]
+    N16[/Nuclear Reactor Control/]
+    N17([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Renewable Integration
+        nest0_0[(Transmission Line Maintenance)]
+        nest0_1[/Battery Monitoring/]
+        nest0_2[Consumption Logging]
+        nest0_3{Generator Check}
+    end
+    subgraph Demand Forecast
+        nest1_0[Distributed Generation Management]
+        nest1_1([Transformer Station])
+        nest1_2[(Power Purchase)]
+        nest1_3[(Smart Metering)]
+    end
+    N0 --> N1
+    N1 -.-> |no| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 --> N13
+    N13 --> |yes| N14
+    N14 --> N15
+    N15 --> N16
+    N16 --> N17
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N10 --> nest0_0
+    nest0_3 --> N7
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 --> nest1_3
+    N7 --> nest1_0
+    nest1_3 -.-> N12
+    N8 --> S0
+    S0 --> N10
+    S0 -.-> N11
+    N4 --> S1
+    S1 -.-> N14
+    S1 -.-> N11
+    S1 --> |yes| N12
+    N6 -.-> M0
+    N2 -.-> M0
+    M0 --> N13
+    N9 --> M1
+    N1 --> M1
+    N3 --> M1
+    M1 --> N13
+    style S0 fill:#FFF9D4,stroke:#FFE69C
+    style S1 fill:#D3D7EB,stroke:#8C9EFF
+    style M0 fill:#EBEBEB,stroke:#E0E0E0
+    style M1 fill:#EBEBEB,stroke:#E0E0E0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#8C9EFF,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_248.mmd b/test/mermaid/scanned_hard/mermaid_248.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..3a456804ae393fdd90a7036a6e51e670c5b28d20
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_248.mmd
@@ -0,0 +1,122 @@
+graph TD
+    N0([Evidence Collection])
+    N1[[Bail Hearing]]
+    N2(Judgment Writing)
+    N3{Trademark Registration}
+    N4[/Copyright Infringement/]
+    N5[[Intel Property Licensing]]
+    N6(Immigration Petition)
+    N7(Plea Bargain)
+    N8[[Legal Research]]
+    N9(Child Custody)
+    N10[Legal Consultation]
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Divorce Proceedings
+        nest0_0[Legal Aid Assistance]
+        nest0_1[Closing Argument]
+    end
+    subgraph Bankruptcy Filing
+        nest1_0[/Discovery Process/]
+        nest1_1[/Arbitration Session/]
+        nest1_2[Case Filing]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> |mediates| N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> |monitors| N9
+    N9 --> N10
+    nest0_0 -.-> nest0_1
+    N2 --> |submits| nest0_0
+    nest0_1 -.-> N1
+    nest1_0 -.-> |litigates| nest1_1
+    nest1_1 --> nest1_2
+    N9 -.-> nest1_0
+    nest1_2 --> N4
+    N4 -.-> S0
+    S0 -.-> N7
+    S0 --> N10
+    S0 --> N8
+    S0 --> |interprets| N6
+    N0 --> S1
+    S1 --> N2
+    S1 -.-> N10
+    S1 --> N8
+    S1 -.-> |audits| N3
+    N1 --> M0
+    N0 --> M0
+    N3 --> M0
+    M0 --> N5
+    N1 -.-> M1
+    N2 -.-> |collects| M1
+    M1 --> N7
+    N2 --> M2
+    N8 --> M2
+    M2 -.-> N10
+    style N0 fill:#FFF9D4,stroke:#FFE69C
+    style N1 fill:#FFF9D4,stroke:#FFE69C
+    style N2 fill:#F0F4C3,stroke:#AED581
+    style N3 fill:#FFF9D4,stroke:#FFE69C
+    style N4 fill:#F0F4C3,stroke:#AED581
+    style N5 fill:#F0F4C3,stroke:#AED581
+    style N6 fill:#FFF9D4,stroke:#FFE69C
+    style N7 fill:#F5F5DC,stroke:#BCB88A
+    style N8 fill:#F0F4C3,stroke:#AED581
+    style N9 fill:#F0F4C3,stroke:#AED581
+    style N10 fill:#F0F4C3,stroke:#AED581
+    style S0 fill:#F0F4C3,stroke:#AED581
+    style S1 fill:#FFF9D4,stroke:#FFE69C
+    style M0 fill:#F5F5DC,stroke:#BCB88A
+    style M1 fill:#F0F4C3,stroke:#AED581
+    style M2 fill:#F0F4C3,stroke:#AED581
+    style nest0_0 fill:#F5F5DC,stroke:#BCB88A
+    style nest0_1 fill:#FFF9D4,stroke:#FFE69C
+    style nest1_0 fill:#F0F4C3,stroke:#AED581
+    style nest1_1 fill:#F0F4C3,stroke:#AED581
+    style nest1_2 fill:#FFF9D4,stroke:#FFE69C
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#BCB88A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_248.txt b/test/mermaid/scanned_hard/mermaid_248.txt
new file mode 100644
index 0000000000000000000000000000000000000000..187472ab13a2471ebbf39060659fa4f3eb7b25db
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_248.txt
@@ -0,0 +1,37 @@
+<Arbitration Session, connectedTo, Case Filing>
+<Arbitration Session, partOf, Bankruptcy Filing>
+<Bail Hearing, connectedTo, Intel Property Licensing>
+<Bail Hearing, connectedTo, Judgment Writing>
+<Bail Hearing, connectedTo, Plea Bargain>
+<Case Filing, connectedTo, Copyright Infringement>
+<Case Filing, partOf, Bankruptcy Filing>
+<Child Custody, connectedTo, Discovery Process>
+<Child Custody, connectedTo, Legal Consultation>
+<Closing Argument, connectedTo, Bail Hearing>
+<Closing Argument, partOf, Divorce Proceedings>
+<Copyright Infringement, connectedTo, Intel Property Licensing>
+<Copyright Infringement, connectedTo, Legal Consultation>
+<Copyright Infringement, connectedTo, Legal Research>
+<Copyright Infringement, connectedTo, Plea Bargain>
+<Copyright Infringement, interprets, Immigration Petition>
+<Discovery Process, litigates, Arbitration Session>
+<Discovery Process, partOf, Bankruptcy Filing>
+<Evidence Collection, audits, Trademark Registration>
+<Evidence Collection, connectedTo, Bail Hearing>
+<Evidence Collection, connectedTo, Intel Property Licensing>
+<Evidence Collection, connectedTo, Judgment Writing>
+<Evidence Collection, connectedTo, Legal Consultation>
+<Evidence Collection, connectedTo, Legal Research>
+<Immigration Petition, connectedTo, Plea Bargain>
+<Intel Property Licensing, mediates, Immigration Petition>
+<Judgment Writing, collects, Plea Bargain>
+<Judgment Writing, connectedTo, Legal Consultation>
+<Judgment Writing, connectedTo, Trademark Registration>
+<Judgment Writing, submits, Legal Aid Assistance>
+<Legal Aid Assistance, connectedTo, Closing Argument>
+<Legal Aid Assistance, partOf, Divorce Proceedings>
+<Legal Research, connectedTo, Legal Consultation>
+<Legal Research, monitors, Child Custody>
+<Plea Bargain, connectedTo, Legal Research>
+<Trademark Registration, connectedTo, Copyright Infringement>
+<Trademark Registration, connectedTo, Intel Property Licensing>
diff --git a/test/mermaid/scanned_hard/mermaid_249.txt b/test/mermaid/scanned_hard/mermaid_249.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bd343c267d63cd8a798031ef002907ed9a3406e3
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_249.txt
@@ -0,0 +1,34 @@
+<Barcode Scanning, connectedTo, Freight Booking>
+<Cargo Tracking, connectedTo, Freight Booking>
+<Cargo Tracking, connectedTo, Global Trade Compliance>
+<Cargo Tracking, connectedTo, Ocean Freight Management>
+<Cold Chain Management, connectedTo, Ocean Freight Management>
+<Consolidation, connectedTo, Cross_docking>
+<Consolidation, partOf, Pallet Stacking>
+<Cross_docking, connectedTo, Driver Check_in>
+<Cross_docking, partOf, Pallet Stacking>
+<Customs Clearance, connectedTo, Return Logistics>
+<Customs Clearance, no, Supply Chain Visibility>
+<Driver Check_in, connectedTo, Vehicle Loading>
+<Driver Check_in, partOf, Pallet Stacking>
+<Global Trade Compliance, connectedTo, Cold Chain Management>
+<Invoice Matching, connectedTo, Supply Chain Visibility>
+<Invoice Matching, partOf, Carrier Selection>
+<Ocean Freight Management, connectedTo, Barcode Scanning>
+<Rail Transport Coordination, connectedTo, Barcode Scanning>
+<Rail Transport Coordination, connectedTo, Cargo Tracking>
+<Rail Transport Coordination, connectedTo, Cold Chain Management>
+<Rail Transport Coordination, connectedTo, Consolidation>
+<Rail Transport Coordination, connectedTo, Return Logistics>
+<Rail Transport Coordination, no, Customs Clearance>
+<Return Logistics, connectedTo, Cargo Tracking>
+<Return Logistics, connectedTo, Warehouse Entry>
+<Supply Chain Visibility, connectedTo, Cargo Tracking>
+<Supply Chain Visibility, connectedTo, Return Logistics>
+<Vehicle Loading, connectedTo, Cold Chain Management>
+<Vehicle Loading, partOf, Pallet Stacking>
+<Warehouse Entry, connectedTo, Invoice Matching>
+<Warehouse Entry, partOf, Carrier Selection>
+<start, connectedTo, Rail Transport Coordination>
+<start, connectedTo, Return Logistics>
+<start, no, Cargo Tracking>
diff --git a/test/mermaid/scanned_hard/mermaid_25.mmd b/test/mermaid/scanned_hard/mermaid_25.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..4d5269a2522b57598a255b5100e03012a01a7b88
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_25.mmd
@@ -0,0 +1,52 @@
+graph LR
+    N0([Synthetic Biology Design])
+    N1[Gene Sequencing]
+    N2[[Quality Control]]
+    N3{Environmental Bioremediation}
+    N4(Bioimaging)
+    N5[/Bioreactor Operation/]
+    N6[Clinical Trial Design]
+    N7[Drug Repurposing]
+    N8(Personalized Medicine Formulation)
+    N9(Monoclonal Antibody Production)
+    N10[/Diagnostic Test Development/]
+    N11([Assay Development])
+    N0 -.-> |validates| N1
+    N1 -.-> |educates| N2
+    N2 --> |funds| N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> |designs| N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> |applies| N9
+    N9 --> |delivers| N10
+    N10 -.-> |develops| N11
+    N0 -.-> |manipulates| N10
+    N4 --> N3
+    style N0 fill:#C8E6C9,stroke:#388E3C
+    style N1 fill:#DFE7EB,stroke:#B0C5CD
+    style N2 fill:#F6F6F6,stroke:#CFCFCF
+    style N3 fill:#F6F6F6,stroke:#CFCFCF
+    style N4 fill:#DFE7EB,stroke:#B0C5CD
+    style N5 fill:#C8E6C9,stroke:#388E3C
+    style N6 fill:#DFE7EB,stroke:#B0C5CD
+    style N7 fill:#C8E6C9,stroke:#388E3C
+    style N8 fill:#C8E6C9,stroke:#388E3C
+    style N9 fill:#F6F6F6,stroke:#CFCFCF
+    style N10 fill:#F6F6F6,stroke:#CFCFCF
+    style N11 fill:#DFE7EB,stroke:#B0C5CD
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#388E3C,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_25.txt b/test/mermaid/scanned_hard/mermaid_25.txt
new file mode 100644
index 0000000000000000000000000000000000000000..33fc51c2622f70a3929b5ff44fd7b6cfaf45c8fe
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_25.txt
@@ -0,0 +1,13 @@
+<Bioimaging, connectedTo, Bioreactor Operation>
+<Bioimaging, connectedTo, Environmental Bioremediation>
+<Bioreactor Operation, designs, Clinical Trial Design>
+<Clinical Trial Design, connectedTo, Drug Repurposing>
+<Diagnostic Test Development, develops, Assay Development>
+<Drug Repurposing, connectedTo, Personalized Medicine Formulation>
+<Environmental Bioremediation, connectedTo, Bioimaging>
+<Gene Sequencing, educates, Quality Control>
+<Monoclonal Antibody Production, delivers, Diagnostic Test Development>
+<Personalized Medicine Formulation, applies, Monoclonal Antibody Production>
+<Quality Control, funds, Environmental Bioremediation>
+<Synthetic Biology Design, manipulates, Diagnostic Test Development>
+<Synthetic Biology Design, validates, Gene Sequencing>
diff --git a/test/mermaid/scanned_hard/mermaid_250.txt b/test/mermaid/scanned_hard/mermaid_250.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cec99b5df4b0036cf4e535ecd83f76dededf2e3e
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_250.txt
@@ -0,0 +1,39 @@
+<Bandwidth Allocation, connectedTo, Outage Detection>
+<Base Station Installation, connectedTo, Data Usage Logging>
+<Base Station Installation, connectedTo, Fiber Optic Deployment>
+<Call Recording, connectedTo, Bandwidth Allocation>
+<Customer Relationship Management, connectedTo, Customer Support>
+<Customer Relationship Management, connectedTo, Data Usage Logging>
+<Customer Support, connectedTo, Base Station Installation>
+<Customer Support, connectedTo, Fiber Optic Deployment>
+<Data Usage Logging, connectedTo, Call Recording>
+<Data Usage Logging, connectedTo, Plan Selection>
+<Data Usage Logging, connectedTo, Plan Suspension>
+<Device Setup, connectedTo, Fiber Optic Deployment>
+<Device Setup, connectedTo, Plan Renewal>
+<Device Setup, connectedTo, Service Level Agreement>
+<Fiber Optic Deployment, connectedTo, Data Usage Logging>
+<Fiber Optic Deployment, connectedTo, Payment Received>
+<Fiber Optic Deployment, connectedTo, Usage Monitoring>
+<Fraudulent Call Blocking, connectedTo, Issue Resolution>
+<Fraudulent Call Blocking, partOf, Roaming Activation>
+<Issue Resolution, connectedTo, Call Recording>
+<Mobile Top_up, connectedTo, Plan Selection>
+<Network Security Monitoring, connectedTo, Mobile Top_up>
+<Network Upgrade, connectedTo, Customer Relationship Management>
+<Payment Received, connectedTo, Data Usage Logging>
+<Payment Received, connectedTo, Issue Resolution>
+<Payment Received, connectedTo, Network Security Monitoring>
+<Payment Received, connectedTo, Plan Selection>
+<Plan Renewal, connectedTo, Network Upgrade>
+<Plan Selection, connectedTo, Issue Resolution>
+<Plan Suspension, connectedTo, Network Security Monitoring>
+<Service Complaint, connectedTo, Video Conferencing>
+<Service Complaint, partOf, Troubleshooting Guide>
+<Service Level Agreement, connectedTo, Service Complaint>
+<Service Level Agreement, partOf, Troubleshooting Guide>
+<Speed Throttling, connectedTo, Device Setup>
+<Usage Monitoring, connectedTo, Fraudulent Call Blocking>
+<Usage Monitoring, partOf, Roaming Activation>
+<Video Conferencing, connectedTo, Plan Renewal>
+<Video Conferencing, partOf, Troubleshooting Guide>
diff --git a/test/mermaid/scanned_hard/mermaid_251.mmd b/test/mermaid/scanned_hard/mermaid_251.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..512fed3c6f9a7c618fc9cde44fd6375447088333
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_251.mmd
@@ -0,0 +1,104 @@
+graph LR
+    N0([Market Transportation])
+    N1[Fencing Installation]
+    N2{Fertilizer Application}
+    N3[Grain Drying]
+    N4(Soil Testing)
+    N5[(Aquaculture Farming)]
+    N6[Pest Spraying]
+    N7[(Soil Nutrient Management)]
+    N8([Crop Rotation Planning])
+    N9[[Crop Monitoring]]
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    subgraph Farm Maintenance
+        nest0_0[Water Level Measurement]
+        nest0_1(Equipment Repair)
+        nest0_2[[Farm Machinery Operation]]
+    end
+    subgraph Weather Tracking
+        nest1_0[(Yield Prediction)]
+        nest1_1[/Seedling Transplanting/]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> |plants| N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> |analyzes| nest0_2
+    N8 -.-> nest0_0
+    nest0_2 --> N1
+    nest1_0 --> nest1_1
+    N4 --> nest1_0
+    nest1_1 --> N8
+    N5 --> S0
+    S0 --> N9
+    S0 -.-> N8
+    S0 -.-> N7
+    N5 -.-> S1
+    S1 -.-> N7
+    S1 -.-> N8
+    N6 -.-> S2
+    S2 -.-> N9
+    S2 --> N8
+    N3 --> M0
+    N6 -.-> M0
+    N0 --> M0
+    M0 -.-> N9
+    style N0 fill:#FCE4EC,stroke:#E91E63
+    style N1 fill:#B3E5FC,stroke:#03A9F4
+    style N2 fill:#B3E5FC,stroke:#03A9F4
+    style N3 fill:#D7CCC8,stroke:#795548
+    style N4 fill:#FCE4EC,stroke:#E91E63
+    style N5 fill:#D7CCC8,stroke:#795548
+    style N6 fill:#D7CCC8,stroke:#795548
+    style N7 fill:#B3E5FC,stroke:#03A9F4
+    style N8 fill:#FCE4EC,stroke:#E91E63
+    style N9 fill:#B3E5FC,stroke:#03A9F4
+    style S0 fill:#FCE4EC,stroke:#E91E63
+    style S1 fill:#FCE4EC,stroke:#E91E63
+    style S2 fill:#FCE4EC,stroke:#E91E63
+    style M0 fill:#D7CCC8,stroke:#795548
+    style nest0_0 fill:#D7CCC8,stroke:#795548
+    style nest0_1 fill:#D7CCC8,stroke:#795548
+    style nest0_2 fill:#B3E5FC,stroke:#03A9F4
+    style nest1_0 fill:#B3E5FC,stroke:#03A9F4
+    style nest1_1 fill:#FCE4EC,stroke:#E91E63
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#03A9F4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_252.mmd b/test/mermaid/scanned_hard/mermaid_252.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5b45abe01ed73adeda5acad2d0febf47b539c5ed
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_252.mmd
@@ -0,0 +1,96 @@
+graph BT
+    N0([Lost and Found Service])
+    N1[[Hotel Check_in]]
+    N2[/Baggage Handling/]
+    N3[Loyalty Program Enrollment]
+    N4(Passport Renewal Assistance)
+    N5[Currency Exchange]
+    N6(Restaurant Reservation)
+    N7(Tour Guide Assignment)
+    N8{Trip Sharing}
+    N9([Destination Selection])
+    N10[Travel Advisory Updates]
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    subgraph Feedback Collection
+        nest0_0([Rental Car Pickup])
+        nest0_1[(Itinerary Planning)]
+        nest0_2[[Booking Modification]]
+    end
+    subgraph Airport Transfer
+        nest1_0[/Flight Booking/]
+        nest1_1[Return Trip]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    N6 --> nest0_0
+    nest0_2 --> N7
+    nest1_0 -.-> nest1_1
+    N2 --> |personalizes| nest1_0
+    nest1_1 --> N2
+    N6 -.-> S0
+    S0 -.-> N8
+    S0 --> N10
+    N0 --> S1
+    S1 --> N7
+    S1 -.-> N6
+    N1 --> M1
+    N0 -.-> M1
+    M1 -.-> N3
+    style N0 fill:#D1C4E9,stroke:#7E57C2
+    style N1 fill:#DED7F0,stroke:#A188DB
+    style N2 fill:#D1C4E9,stroke:#7E57C2
+    style N3 fill:#C2E8E6,stroke:#61CAC3
+    style N4 fill:#D1C4E9,stroke:#7E57C2
+    style N5 fill:#D1C4E9,stroke:#7E57C2
+    style N6 fill:#DED7F0,stroke:#A188DB
+    style N7 fill:#D1C4E9,stroke:#7E57C2
+    style N8 fill:#DED7F0,stroke:#A188DB
+    style N9 fill:#DED7F0,stroke:#A188DB
+    style N10 fill:#D1C4E9,stroke:#7E57C2
+    style S0 fill:#C2E8E6,stroke:#61CAC3
+    style S1 fill:#C2E8E6,stroke:#61CAC3
+    style M1 fill:#D1C4E9,stroke:#7E57C2
+    style nest0_0 fill:#C2E8E6,stroke:#61CAC3
+    style nest0_1 fill:#D1C4E9,stroke:#7E57C2
+    style nest0_2 fill:#C2E8E6,stroke:#61CAC3
+    style nest1_0 fill:#C2E8E6,stroke:#61CAC3
+    style nest1_1 fill:#C2E8E6,stroke:#61CAC3
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#61CAC3,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_252.txt b/test/mermaid/scanned_hard/mermaid_252.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4b6945a5d51356dffecba147e9e58f3b1837120a
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_252.txt
@@ -0,0 +1,28 @@
+<Baggage Handling, connectedTo, Loyalty Program Enrollment>
+<Baggage Handling, personalizes, Flight Booking>
+<Booking Modification, connectedTo, Tour Guide Assignment>
+<Booking Modification, partOf, Feedback Collection>
+<Currency Exchange, connectedTo, Restaurant Reservation>
+<Destination Selection, connectedTo, Travel Advisory Updates>
+<Flight Booking, connectedTo, Return Trip>
+<Flight Booking, partOf, Airport Transfer>
+<Hotel Check_in, connectedTo, Baggage Handling>
+<Hotel Check_in, connectedTo, Loyalty Program Enrollment>
+<Itinerary Planning, connectedTo, Booking Modification>
+<Itinerary Planning, partOf, Feedback Collection>
+<Lost and Found Service, connectedTo, Hotel Check_in>
+<Lost and Found Service, connectedTo, Loyalty Program Enrollment>
+<Lost and Found Service, connectedTo, Restaurant Reservation>
+<Lost and Found Service, connectedTo, Tour Guide Assignment>
+<Loyalty Program Enrollment, connectedTo, Passport Renewal Assistance>
+<Passport Renewal Assistance, connectedTo, Currency Exchange>
+<Rental Car Pickup, connectedTo, Itinerary Planning>
+<Rental Car Pickup, partOf, Feedback Collection>
+<Restaurant Reservation, connectedTo, Rental Car Pickup>
+<Restaurant Reservation, connectedTo, Tour Guide Assignment>
+<Restaurant Reservation, connectedTo, Travel Advisory Updates>
+<Restaurant Reservation, connectedTo, Trip Sharing>
+<Return Trip, connectedTo, Baggage Handling>
+<Return Trip, partOf, Airport Transfer>
+<Tour Guide Assignment, connectedTo, Trip Sharing>
+<Trip Sharing, connectedTo, Destination Selection>
diff --git a/test/mermaid/scanned_hard/mermaid_253.mmd b/test/mermaid/scanned_hard/mermaid_253.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c9e0fe3aa6d5cd7c9d5764d544721a7a8c48ffd3
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_253.mmd
@@ -0,0 +1,136 @@
+graph LR
+    N0([Price Negotiation])
+    N1([Property Appraisal])
+    N2[Land Acquisition]
+    N3[(Property Tax Payment)]
+    N4(Property Insurance)
+    N5[(Legal Verification)]
+    N6(HOA Management)
+    N7[[Closing Meeting]]
+    N8[Tax Assessment]
+    N9[[Virtual Tour Creation]]
+    N10[Tenant Screening]
+    N11[[Loan Pre_Approval]]
+    N12[(Building Permit Application)]
+    N13([Property Marketing])
+    N14{Lease Renewal}
+    N15([Offer Submission])
+    N16([Agent Assignment])
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    subgraph Property Listing
+        nest0_0([Commission Distribution])
+        nest0_1[/Open House Event/]
+        nest0_2[(Rental Agreement)]
+        nest0_3[[Zoning Compliance]]
+    end
+    subgraph Renovation Planning
+        nest1_0[Market Trend Analysis]
+        nest1_1([Site Visit Scheduling])
+        nest1_2([Home Inspection])
+        nest1_3[Mortgage Application Assistance]
+    end
+    N0 --> N1
+    N1 --> |rents| N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> |invests| N11
+    N11 --> N12
+    N12 --> N13
+    N13 -.-> |inspects| N14
+    N14 --> N15
+    N15 -.-> N16
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> nest0_3
+    N3 -.-> nest0_0
+    nest0_3 -.-> N14
+    nest1_0 --> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 -.-> |finalizes| nest1_3
+    N10 --> nest1_0
+    nest1_3 --> N3
+    N8 -.-> S0
+    S0 --> N14
+    S0 --> N15
+    S0 --> |closes| N11
+    N13 -.-> S1
+    S1 -.-> N16
+    S1 --> N15
+    N7 --> |negotiates| M1
+    N2 -.-> M1
+    N8 --> M1
+    M1 --> N11
+    style N0 fill:#F5F5F5,stroke:#BDBDBD
+    style N1 fill:#F5F5F5,stroke:#BDBDBD
+    style N2 fill:#F0F4C3,stroke:#AED581
+    style N3 fill:#F5F5F5,stroke:#BDBDBD
+    style N4 fill:#F0F4C3,stroke:#AED581
+    style N5 fill:#F5F5F5,stroke:#BDBDBD
+    style N6 fill:#F5F5F5,stroke:#BDBDBD
+    style N7 fill:#CFD8DC,stroke:#607D8B
+    style N8 fill:#CFD8DC,stroke:#607D8B
+    style N9 fill:#CFD8DC,stroke:#607D8B
+    style N10 fill:#F5F5F5,stroke:#BDBDBD
+    style N11 fill:#CFD8DC,stroke:#607D8B
+    style N12 fill:#CFD8DC,stroke:#607D8B
+    style N13 fill:#CFD8DC,stroke:#607D8B
+    style N14 fill:#CFD8DC,stroke:#607D8B
+    style N15 fill:#F5F5F5,stroke:#BDBDBD
+    style N16 fill:#CFD8DC,stroke:#607D8B
+    style S0 fill:#F5F5F5,stroke:#BDBDBD
+    style S1 fill:#F5F5F5,stroke:#BDBDBD
+    style M1 fill:#F5F5F5,stroke:#BDBDBD
+    style nest0_0 fill:#CFD8DC,stroke:#607D8B
+    style nest0_1 fill:#CFD8DC,stroke:#607D8B
+    style nest0_2 fill:#F0F4C3,stroke:#AED581
+    style nest0_3 fill:#F5F5F5,stroke:#BDBDBD
+    style nest1_0 fill:#CFD8DC,stroke:#607D8B
+    style nest1_1 fill:#F0F4C3,stroke:#AED581
+    style nest1_2 fill:#F0F4C3,stroke:#AED581
+    style nest1_3 fill:#F0F4C3,stroke:#AED581
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#607D8B,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_253.txt b/test/mermaid/scanned_hard/mermaid_253.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1eecb08b28dc20126866004ef6afd385f723b5fb
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_253.txt
@@ -0,0 +1,42 @@
+<Building Permit Application, connectedTo, Property Marketing>
+<Closing Meeting, connectedTo, Tax Assessment>
+<Closing Meeting, negotiates, Loan Pre_Approval>
+<Commission Distribution, connectedTo, Open House Event>
+<Commission Distribution, partOf, Property Listing>
+<HOA Management, connectedTo, Closing Meeting>
+<Home Inspection, finalizes, Mortgage Application Assistance>
+<Home Inspection, partOf, Renovation Planning>
+<Land Acquisition, connectedTo, Loan Pre_Approval>
+<Land Acquisition, connectedTo, Property Tax Payment>
+<Lease Renewal, connectedTo, Offer Submission>
+<Legal Verification, connectedTo, HOA Management>
+<Loan Pre_Approval, connectedTo, Building Permit Application>
+<Market Trend Analysis, connectedTo, Site Visit Scheduling>
+<Market Trend Analysis, partOf, Renovation Planning>
+<Mortgage Application Assistance, connectedTo, Property Tax Payment>
+<Mortgage Application Assistance, partOf, Renovation Planning>
+<Offer Submission, connectedTo, Agent Assignment>
+<Open House Event, connectedTo, Rental Agreement>
+<Open House Event, partOf, Property Listing>
+<Price Negotiation, connectedTo, Property Appraisal>
+<Property Appraisal, rents, Land Acquisition>
+<Property Insurance, connectedTo, Legal Verification>
+<Property Marketing, connectedTo, Agent Assignment>
+<Property Marketing, connectedTo, Offer Submission>
+<Property Marketing, inspects, Lease Renewal>
+<Property Tax Payment, connectedTo, Commission Distribution>
+<Property Tax Payment, connectedTo, Property Insurance>
+<Rental Agreement, connectedTo, Zoning Compliance>
+<Rental Agreement, partOf, Property Listing>
+<Site Visit Scheduling, connectedTo, Home Inspection>
+<Site Visit Scheduling, partOf, Renovation Planning>
+<Tax Assessment, closes, Loan Pre_Approval>
+<Tax Assessment, connectedTo, Lease Renewal>
+<Tax Assessment, connectedTo, Loan Pre_Approval>
+<Tax Assessment, connectedTo, Offer Submission>
+<Tax Assessment, connectedTo, Virtual Tour Creation>
+<Tenant Screening, connectedTo, Market Trend Analysis>
+<Tenant Screening, invests, Loan Pre_Approval>
+<Virtual Tour Creation, connectedTo, Tenant Screening>
+<Zoning Compliance, connectedTo, Lease Renewal>
+<Zoning Compliance, partOf, Property Listing>
diff --git a/test/mermaid/scanned_hard/mermaid_255.mmd b/test/mermaid/scanned_hard/mermaid_255.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..14d88c071f6c30090884aa5f9c748de0d7793057
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_255.mmd
@@ -0,0 +1,114 @@
+graph LR
+    N0([start])
+    N1[(Casting Call)]
+    N2([Location Scouting])
+    N3(Special Effects Design)
+    N4{Audience Feedback}
+    N5{Trailer Production}
+    N6([Stunt Coordination])
+    N7[(Film Festival Submission)]
+    N8[Streaming Setup]
+    N9(Scene Shooting)
+    N10[Music Composition]
+    N11(Fan Engagement Strategy)
+    N12[(Set Construction)]
+    N13([end])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M2(( ))
+    subgraph Budget Planning
+        nest0_0[Game Development]
+        nest0_1[Actor Rehearsal]
+        nest0_2[/Press Junket/]
+    end
+    subgraph Red Carpet Event
+        nest1_0{Lighting Setup}
+        nest1_1{Awards Ceremony Production}
+        nest1_2[/Broadcast Scheduling/]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> |yes| N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 --> N12
+    N12 --> N13
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    N10 --> nest0_0
+    nest0_2 -.-> N12
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    N2 --> nest1_0
+    nest1_2 --> N6
+    N6 -.-> S0
+    S0 -.-> N11
+    S0 -.-> N10
+    N8 --> S1
+    S1 -.-> N13
+    S1 --> N11
+    N1 --> S2
+    S2 --> N11
+    S2 -.-> N13
+    S2 -.-> N9
+    S2 --> N10
+    N0 --> M0
+    N1 --> M0
+    M0 --> N3
+    N4 --> |yes| M2
+    N2 -.-> M2
+    N1 --> M2
+    M2 --> N9
+    style S0 fill:#ECCFF5,stroke:#CD8FF2
+    style S1 fill:#ECCFF5,stroke:#CD8FF2
+    style S2 fill:#E8F0EA,stroke:#92C79A
+    style M0 fill:#E8F0EA,stroke:#92C79A
+    style M2 fill:#E8F0EA,stroke:#92C79A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#CD8FF2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_256.txt b/test/mermaid/scanned_hard/mermaid_256.txt
new file mode 100644
index 0000000000000000000000000000000000000000..eb260e71e6b233418b8dadbf9f11b528eb685320
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_256.txt
@@ -0,0 +1,39 @@
+<Air Quality Monitoring, connectedTo, Recycling Process>
+<Air Quality Monitoring, partOf, Sustainability Review>
+<Biodiversity Conservation, connectedTo, Resource Tracking>
+<Citizen Science Initiative, connectedTo, Biodiversity Conservation>
+<Conservation Easement, connectedTo, Policy Advocacy>
+<Conservation Easement, partOf, Sustainability Review>
+<Energy Audit, connectedTo, Water Sampling>
+<Environmental Education Programs, connectedTo, Biodiversity Conservation>
+<Environmental Education Programs, connectedTo, Hazardous Material Handling>
+<Environmental Education Programs, connectedTo, Resource Tracking>
+<Environmental Education Programs, connectedTo, Species Reintroduction>
+<Environmental Education Programs, connectedTo, end>
+<Environmental Research, connectedTo, Reforestation Planning>
+<Hazardous Material Handling, connectedTo, Citizen Science Initiative>
+<Hazardous Material Handling, connectedTo, Public Awareness Campaign>
+<Noise Pollution Measurement, connectedTo, Policy Advocacy>
+<Noise Pollution Measurement, no, Energy Audit>
+<Policy Advocacy, connectedTo, Environmental Education Programs>
+<Public Awareness Campaign, connectedTo, Renewable Energy Grid Integration>
+<Public Awareness Campaign, partOf, Ecosystem Restoration>
+<Recycling Process, connectedTo, Conservation Easement>
+<Recycling Process, partOf, Sustainability Review>
+<Reforestation Planning, connectedTo, Noise Pollution Measurement>
+<Reforestation Planning, connectedTo, Policy Advocacy>
+<Renewable Energy Grid Integration, connectedTo, Waste Water Treatment>
+<Renewable Energy Grid Integration, partOf, Ecosystem Restoration>
+<Resource Tracking, connectedTo, Species Reintroduction>
+<Soil Testing, connectedTo, Biodiversity Conservation>
+<Soil Testing, connectedTo, Environmental Education Programs>
+<Soil Testing, connectedTo, Policy Advocacy>
+<Soil Testing, connectedTo, Resource Tracking>
+<Species Reintroduction, connectedTo, Wildlife Survey>
+<Species Reintroduction, connectedTo, end>
+<Waste Water Treatment, connectedTo, Water Sampling>
+<Waste Water Treatment, partOf, Ecosystem Restoration>
+<Water Sampling, connectedTo, Soil Testing>
+<Wildlife Survey, connectedTo, Air Quality Monitoring>
+<Wildlife Survey, partOf, Sustainability Review>
+<start, no, Environmental Research>
diff --git a/test/mermaid/scanned_hard/mermaid_257.mmd b/test/mermaid/scanned_hard/mermaid_257.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..6560cfefc73f4e7db8ec68de145a029d4e729fa4
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_257.mmd
@@ -0,0 +1,138 @@
+graph RL
+    N0([Compliance Checking])
+    N1[(International Relations)]
+    N2[Public Sector Procurement]
+    N3[(Grant Distribution)]
+    N4(Public Consultation)
+    N5(Service Registration)
+    N6(Legal Advisory)
+    N7[Legislation Review]
+    N8[[Public Hearing]]
+    N9[Transparency Audit]
+    N10[/Permit Application/]
+    N11([Tax Filing])
+    N12[Whistleblower Protection]
+    N13([Open Government Data Initiative])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Budget Allocation
+        nest0_0(Citizen Feedback)
+        nest0_1[Data Publishing]
+        nest0_2{Driver's License Renewal}
+        nest0_3[/Infrastructure Planning/]
+    end
+    subgraph Social Program Review
+        nest1_0[/Code Enforcement/]
+        nest1_1[Urban Planning]
+        nest1_2[Diplomatic Negotiation]
+    end
+    N0 --> |approves| N1
+    N1 --> |analyzes| N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> |funds| N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    nest0_0 -.-> nest0_1
+    nest0_1 --> |communicates| nest0_2
+    nest0_2 -.-> nest0_3
+    N3 -.-> nest0_0
+    nest0_3 --> N8
+    nest1_0 --> nest1_1
+    nest1_1 --> |plans| nest1_2
+    N6 -.-> nest1_0
+    nest1_2 -.-> N12
+    N5 -.-> S0
+    S0 -.-> N11
+    S0 --> N13
+    S0 -.-> N9
+    N10 --> S1
+    S1 --> N13
+    S1 --> N12
+    N3 -.-> M0
+    N4 -.-> |audits| M0
+    M0 -.-> N6
+    N2 --> |grants| M1
+    N3 --> M1
+    N1 --> M1
+    M1 --> N5
+    N4 -.-> M2
+    N0 --> M2
+    N2 --> M2
+    M2 -.-> N6
+    style N0 fill:#F9FBE7,stroke:#C0CA33
+    style N1 fill:#FBE9E7,stroke:#FF8A65
+    style N2 fill:#FFFDE7,stroke:#FBC02D
+    style N3 fill:#FFFDE7,stroke:#FBC02D
+    style N4 fill:#FBE9E7,stroke:#FF8A65
+    style N5 fill:#F9FBE7,stroke:#C0CA33
+    style N6 fill:#FBE9E7,stroke:#FF8A65
+    style N7 fill:#FBE9E7,stroke:#FF8A65
+    style N8 fill:#FBE9E7,stroke:#FF8A65
+    style N9 fill:#FBE9E7,stroke:#FF8A65
+    style N10 fill:#FBE9E7,stroke:#FF8A65
+    style N11 fill:#FBE9E7,stroke:#FF8A65
+    style N12 fill:#F9FBE7,stroke:#C0CA33
+    style N13 fill:#FFFDE7,stroke:#FBC02D
+    style S0 fill:#F9FBE7,stroke:#C0CA33
+    style S1 fill:#FFFDE7,stroke:#FBC02D
+    style M0 fill:#F9FBE7,stroke:#C0CA33
+    style M1 fill:#F9FBE7,stroke:#C0CA33
+    style M2 fill:#FBE9E7,stroke:#FF8A65
+    style nest0_0 fill:#F9FBE7,stroke:#C0CA33
+    style nest0_1 fill:#FFFDE7,stroke:#FBC02D
+    style nest0_2 fill:#FBE9E7,stroke:#FF8A65
+    style nest0_3 fill:#FFFDE7,stroke:#FBC02D
+    style nest1_0 fill:#FFFDE7,stroke:#FBC02D
+    style nest1_1 fill:#FBE9E7,stroke:#FF8A65
+    style nest1_2 fill:#F9FBE7,stroke:#C0CA33
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#FF8A65,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_26.mmd b/test/mermaid/scanned_hard/mermaid_26.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..3e12e311015cddb0fc8c550b0b1a16f0983f56b5
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_26.mmd
@@ -0,0 +1,36 @@
+graph BT
+    N0([start])
+    N1[[Cleanroom Operations]]
+    N2[Drug Repurposing]
+    N3[(Quality Control)]
+    N4[(Manufacturing Scale_up)]
+    N5{Sterile Product Filling}
+    N6[Global Regulatory Affairs]
+    N7([Patent Application])
+    N0 -.-> N1
+    N1 -.-> |purifies| N2
+    N2 --> |inspects| N3
+    N3 -.-> |audits| N4
+    N4 --> |packages| N5
+    N5 --> |recalls| N6
+    N6 --> N7
+    N3 --> N2
+    N2 --> N6
+    style N0 fill:#E6EE9C,stroke:#CDDC39
+    style N1 fill:#E6EE9C,stroke:#CDDC39
+    style N2 fill:#D3D7EB,stroke:#8C9EFF
+    style N3 fill:#D3D7EB,stroke:#8C9EFF
+    style N4 fill:#FFF9C4,stroke:#FFEB3B
+    style N5 fill:#E6EE9C,stroke:#CDDC39
+    style N6 fill:#E6EE9C,stroke:#CDDC39
+    style N7 fill:#D3D7EB,stroke:#8C9EFF
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#8C9EFF,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_26.txt b/test/mermaid/scanned_hard/mermaid_26.txt
new file mode 100644
index 0000000000000000000000000000000000000000..12aaa33ba7f7ad032df189630c5e5624f606a283
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_26.txt
@@ -0,0 +1,9 @@
+<Cleanroom Operations, purifies, Drug Repurposing>
+<Drug Repurposing, connectedTo, Global Regulatory Affairs>
+<Drug Repurposing, inspects, Quality Control>
+<Global Regulatory Affairs, connectedTo, Patent Application>
+<Manufacturing Scale_up, packages, Sterile Product Filling>
+<Quality Control, audits, Manufacturing Scale_up>
+<Quality Control, connectedTo, Drug Repurposing>
+<Sterile Product Filling, recalls, Global Regulatory Affairs>
+<start, connectedTo, Cleanroom Operations>
diff --git a/test/mermaid/scanned_hard/mermaid_260.mmd b/test/mermaid/scanned_hard/mermaid_260.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0b5e4af539b65f34b0a9deff2f3b2a937bedc2af
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_260.mmd
@@ -0,0 +1,109 @@
+graph RL
+    N0([start])
+    N1[(Space Debris Tracking)]
+    N2[Structural Analysis]
+    N3[Avionics Installation]
+    N4(Engine Overhaul)
+    N5[[Runway Inspection]]
+    N6{New Material Development}
+    N7([Mission Planning])
+    N8[Component Recovery]
+    N9[(International Space Station Resupply)]
+    N10(Telemetry Setup)
+    N11{Data Transmission}
+    N12[/Fueling Procedure/]
+    N13{Rocket Assembly}
+    N14(Flight Simulation)
+    N15[Launch Execution]
+    N16(Rocket Stage Separation)
+    N17([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Drone System Development
+        nest0_0[/Aircraft Manufacturing/]
+        nest0_1[(Aviation Safety Audit)]
+        nest0_2[Air Traffic Control Integration]
+    end
+    subgraph Satellite Data Processing
+        nest1_0[(Ground Station Coordination)]
+        nest1_1[(Aircraft Maintenance Log)]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> |yes| N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> N11
+    N11 --> N12
+    N12 --> N13
+    N13 --> |yes| N14
+    N14 --> N15
+    N15 -.-> N16
+    N16 -.-> N17
+    nest0_0 -.-> nest0_1
+    nest0_1 --> |yes| nest0_2
+    N6 -.-> nest0_0
+    nest0_2 --> N2
+    nest1_0 --> nest1_1
+    N3 --> |no| nest1_0
+    nest1_1 -.-> |no| N14
+    N11 --> S0
+    S0 -.-> N13
+    S0 -.-> N16
+    N3 -.-> S1
+    S1 --> N16
+    S1 --> N17
+    N2 -.-> M0
+    N0 --> M0
+    M0 --> N4
+    N3 -.-> M1
+    N1 -.-> M1
+    M1 -.-> N8
+    style S0 fill:#D6D9F0,stroke:#9FA9E1
+    style S1 fill:#E0F2F1,stroke:#26A69A
+    style M0 fill:#D6D9F0,stroke:#9FA9E1
+    style M1 fill:#FFF3E0,stroke:#FFA726
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FFA726,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_260.txt b/test/mermaid/scanned_hard/mermaid_260.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e5ccd56587a66cdde43d784a541e9cf011e88519
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_260.txt
@@ -0,0 +1,37 @@
+<Air Traffic Control Integration, connectedTo, Structural Analysis>
+<Air Traffic Control Integration, partOf, Drone System Development>
+<Aircraft Maintenance Log, no, Flight Simulation>
+<Aircraft Maintenance Log, partOf, Satellite Data Processing>
+<Aircraft Manufacturing, connectedTo, Aviation Safety Audit>
+<Aircraft Manufacturing, partOf, Drone System Development>
+<Aviation Safety Audit, partOf, Drone System Development>
+<Aviation Safety Audit, yes, Air Traffic Control Integration>
+<Avionics Installation, connectedTo, Component Recovery>
+<Avionics Installation, connectedTo, Engine Overhaul>
+<Avionics Installation, connectedTo, Rocket Stage Separation>
+<Avionics Installation, connectedTo, end>
+<Avionics Installation, no, Ground Station Coordination>
+<Component Recovery, connectedTo, International Space Station Resupply>
+<Data Transmission, connectedTo, Fueling Procedure>
+<Data Transmission, connectedTo, Rocket Assembly>
+<Data Transmission, connectedTo, Rocket Stage Separation>
+<Engine Overhaul, connectedTo, Runway Inspection>
+<Flight Simulation, connectedTo, Launch Execution>
+<Fueling Procedure, connectedTo, Rocket Assembly>
+<Ground Station Coordination, connectedTo, Aircraft Maintenance Log>
+<Ground Station Coordination, partOf, Satellite Data Processing>
+<International Space Station Resupply, connectedTo, Telemetry Setup>
+<Launch Execution, connectedTo, Rocket Stage Separation>
+<Mission Planning, connectedTo, Component Recovery>
+<New Material Development, connectedTo, Aircraft Manufacturing>
+<New Material Development, yes, Mission Planning>
+<Rocket Assembly, yes, Flight Simulation>
+<Rocket Stage Separation, connectedTo, end>
+<Runway Inspection, connectedTo, New Material Development>
+<Space Debris Tracking, connectedTo, Component Recovery>
+<Space Debris Tracking, connectedTo, Structural Analysis>
+<Structural Analysis, connectedTo, Avionics Installation>
+<Structural Analysis, connectedTo, Engine Overhaul>
+<Telemetry Setup, connectedTo, Data Transmission>
+<start, connectedTo, Engine Overhaul>
+<start, connectedTo, Space Debris Tracking>
diff --git a/test/mermaid/scanned_hard/mermaid_261.mmd b/test/mermaid/scanned_hard/mermaid_261.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..26d3e9121ed2878ef50547d59ed104dc3810b1e3
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_261.mmd
@@ -0,0 +1,116 @@
+graph LR
+    N0([Life Insurance Underwriting])
+    N1[Catastrophe Modeling]
+    N2{Loss Prevention}
+    N3[Customer Onboarding]
+    N4[[Cyber Insurance Policy]]
+    N5(Customer Communication)
+    N6{Risk Assessment}
+    N7[Third_Party Administrator Liaison]
+    N8[Payment Processing]
+    N9[/Premium Calculation/]
+    N10([Auto Accident Claims])
+    N11[Fraud Investigation]
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Data Security
+        nest0_0{Actuarial Analysis}
+        nest0_1{Market Research}
+    end
+    subgraph Broker Management
+        nest1_0{Coverage Review}
+        nest1_1[Reinsurance Negotiation]
+        nest1_2(Subrogation)
+        nest1_3(Claim Adjustment)
+    end
+    N0 -.-> |consults| N1
+    N1 -.-> |manages| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> N11
+    nest0_0 --> nest0_1
+    N1 --> nest0_0
+    nest0_1 --> N5
+    nest1_0 -.-> nest1_1
+    nest1_1 --> |complies| nest1_2
+    nest1_2 -.-> nest1_3
+    N5 --> nest1_0
+    nest1_3 --> N4
+    N1 -.-> S0
+    S0 -.-> N6
+    S0 -.-> N5
+    S0 --> N7
+    N3 --> S1
+    S1 --> N5
+    S1 --> |supports| N7
+    N2 --> |pays| M0
+    N4 --> M0
+    M0 -.-> N8
+    N4 --> M1
+    N7 -.-> M1
+    N5 --> M1
+    M1 --> N9
+    style N0 fill:#DFE7EB,stroke:#B0C5CD
+    style N1 fill:#C8EDFF,stroke:#82DAFF
+    style N2 fill:#DFE7EB,stroke:#B0C5CD
+    style N3 fill:#DFE7EB,stroke:#B0C5CD
+    style N4 fill:#C8EDFF,stroke:#82DAFF
+    style N5 fill:#C8EDFF,stroke:#82DAFF
+    style N6 fill:#DFE7EB,stroke:#B0C5CD
+    style N7 fill:#DFE7EB,stroke:#B0C5CD
+    style N8 fill:#FFF0CC,stroke:#FFCC80
+    style N9 fill:#DFE7EB,stroke:#B0C5CD
+    style N10 fill:#C8EDFF,stroke:#82DAFF
+    style N11 fill:#DFE7EB,stroke:#B0C5CD
+    style S0 fill:#FFF0CC,stroke:#FFCC80
+    style S1 fill:#DFE7EB,stroke:#B0C5CD
+    style M0 fill:#C8EDFF,stroke:#82DAFF
+    style M1 fill:#DFE7EB,stroke:#B0C5CD
+    style nest0_0 fill:#C8EDFF,stroke:#82DAFF
+    style nest0_1 fill:#C8EDFF,stroke:#82DAFF
+    style nest1_0 fill:#DFE7EB,stroke:#B0C5CD
+    style nest1_1 fill:#DFE7EB,stroke:#B0C5CD
+    style nest1_2 fill:#C8EDFF,stroke:#82DAFF
+    style nest1_3 fill:#C8EDFF,stroke:#82DAFF
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_263.txt b/test/mermaid/scanned_hard/mermaid_263.txt
new file mode 100644
index 0000000000000000000000000000000000000000..209dab8f3770e1ef61523b559a8002fa602458f4
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_263.txt
@@ -0,0 +1,42 @@
+<Air Quality Monitoring, connectedTo, Child Monitoring>
+<Air Quality Monitoring, connectedTo, Garage Door Control>
+<Centralized Hub Configuration, connectedTo, Device Pairing>
+<Centralized Hub Configuration, partOf, Curtain Automation>
+<Child Monitoring, alerts, Emergency Service Connection>
+<Child Monitoring, connectedTo, Doorbell Camera Alert>
+<Child Monitoring, connectedTo, Personalized Comfort Settings>
+<Device Pairing, connectedTo, Home Security System Activation>
+<Device Pairing, partOf, Curtain Automation>
+<Doorbell Camera Alert, connectedTo, Home Security System Activation>
+<Doorbell Camera Alert, connectedTo, Pet Feeder Automation>
+<Elderly Care Monitoring, connectedTo, Emergency Service Connection>
+<Emergency Service Connection, connectedTo, Intercom System>
+<Emergency Service Connection, connectedTo, Thermostat Adjustment>
+<Emergency Service Connection, connectedTo, end>
+<Energy Consumption Optimization, connectedTo, Lighting Automation>
+<Energy Consumption Optimization, connectedTo, Personalized Comfort Settings>
+<Energy Monitoring, installs, Irrigation System Control>
+<Firmware Update, partOf, Security Alert>
+<Firmware Update, senses, Water Heater Control>
+<Garage Door Control, connectedTo, Child Monitoring>
+<Home Security System Activation, connectedTo, Emergency Service Connection>
+<Home Security System Activation, connectedTo, Energy Monitoring>
+<Intercom System, connectedTo, Leak Detection>
+<Irrigation System Control, connectedTo, Personalized Comfort Settings>
+<Leak Detection, connectedTo, end>
+<Lighting Automation, connectedTo, Air Quality Monitoring>
+<Lighting Automation, connectedTo, Firmware Update>
+<Personalized Comfort Settings, connectedTo, Elderly Care Monitoring>
+<Personalized Comfort Settings, connectedTo, Thermostat Adjustment>
+<Personalized Comfort Settings, connectedTo, end>
+<Personalized Comfort Settings, conserves, Emergency Service Connection>
+<Personalized Comfort Settings, opens, Intercom System>
+<Pet Feeder Automation, connectedTo, Centralized Hub Configuration>
+<Pet Feeder Automation, partOf, Curtain Automation>
+<Remote Control, connectedTo, Energy Consumption Optimization>
+<Scene Creation, connectedTo, Intercom System>
+<Thermostat Adjustment, connectedTo, Scene Creation>
+<Video Surveillance, connectedTo, Child Monitoring>
+<Video Surveillance, connectedTo, Remote Control>
+<Water Heater Control, connectedTo, Emergency Service Connection>
+<Water Heater Control, partOf, Security Alert>
diff --git a/test/mermaid/scanned_hard/mermaid_265.mmd b/test/mermaid/scanned_hard/mermaid_265.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ee0a162f937441d4c43648842320c7cf110233f3
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_265.mmd
@@ -0,0 +1,112 @@
+graph LR
+    N0([start])
+    N1[Synthetic Biology Design]
+    N2{Pharmacogenomics}
+    N3[Bioprocess Optimization]
+    N4[Monoclonal Antibody Production]
+    N5[CRISPR Technology Application]
+    N6[Drug Discovery]
+    N7(Protein Engineering)
+    N8(Preclinical Testing)
+    N9([Genomic Editing])
+    N10(Data Management and Analysis)
+    N11(Computational Biology Modeling)
+    N12[[Biosensor Development]]
+    N13[[Stem Cell Research]]
+    N14[Lab Automation]
+    N15([end])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    subgraph Biosafety Protocol
+        nest0_0[[Intellectual Property Protection]]
+        nest0_1[Clinical Data Interpretation]
+        nest0_2(Gene Therapy Delivery)
+        nest0_3(Drug Repurposing)
+    end
+    subgraph Bioimaging
+        nest1_0(Target Identification)
+        nest1_1[Cell Culture]
+    end
+    N0 -.-> |no| N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> |yes| N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 -.-> |yes| N13
+    N13 -.-> N14
+    N14 --> |yes| N15
+    nest0_0 -.-> |no| nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 -.-> nest0_3
+    N10 -.-> nest0_0
+    nest0_3 -.-> N7
+    nest1_0 --> nest1_1
+    N12 -.-> |no| nest1_0
+    nest1_1 --> N13
+    N0 --> S0
+    S0 --> N11
+    S0 -.-> N13
+    S0 --> |no| N7
+    S0 -.-> N10
+    N12 -.-> S1
+    S1 --> N15
+    S1 --> N14
+    N5 -.-> S2
+    S2 -.-> N7
+    S2 --> N15
+    S2 -.-> N10
+    N2 --> M0
+    N4 --> M0
+    M0 -.-> N8
+    style S0 fill:#ECCFF5,stroke:#CD8FF2
+    style S1 fill:#ECCFF5,stroke:#CD8FF2
+    style S2 fill:#D1C4E9,stroke:#673AB7
+    style M0 fill:#FFE88D,stroke:#FFDA4E
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_267.txt b/test/mermaid/scanned_hard/mermaid_267.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3c55df607bd56f662b76041e1b282a7587d9ee9f
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_267.txt
@@ -0,0 +1,36 @@
+<Battery Management, connectedTo, Force Control>
+<Battery Management, partOf, System Integration>
+<Collaborative Robotics, connectedTo, Fault Detection and Diagnosis>
+<Data Collection, connectedTo, Battery Management>
+<Data Collection, connectedTo, Learning Algorithms>
+<Exploration Robotics, connectedTo, Robot Assembly>
+<Exploration Robotics, connectedTo, Sensor Integration>
+<Fault Detection and Diagnosis, connectedTo, Embedded Systems Development>
+<Fault Detection and Diagnosis, connectedTo, Software Development>
+<Force Control, connectedTo, Human_Robot Interaction>
+<Force Control, partOf, System Integration>
+<Human_Robot Interaction, connectedTo, Medical Robotics>
+<Human_Robot Interaction, partOf, System Integration>
+<Learning Algorithms, connectedTo, Collaborative Robotics>
+<Learning Algorithms, connectedTo, Fault Detection and Diagnosis>
+<Learning Algorithms, connectedTo, Machine Vision>
+<Machine Vision, connectedTo, Collaborative Robotics>
+<Machine Vision, connectedTo, Embedded Systems Development>
+<Machine Vision, connectedTo, Fault Detection and Diagnosis>
+<Medical Robotics, connectedTo, Fault Detection and Diagnosis>
+<Medical Robotics, partOf, System Integration>
+<Path Planning, connectedTo, Sensor Integration>
+<Robot Assembly, connectedTo, Path Planning>
+<Robot Assembly, connectedTo, Sensor Integration>
+<Robot Programming, connectedTo, Machine Vision>
+<Robot Programming, partOf, Robot Design>
+<Safety System Implementation, connectedTo, Robot Programming>
+<Safety System Implementation, partOf, Robot Design>
+<Sensor Integration, connectedTo, Data Collection>
+<Sensor Integration, connectedTo, Fault Detection and Diagnosis>
+<Sensor Integration, yes, Collaborative Robotics>
+<Software Development, connectedTo, Safety System Implementation>
+<Software Development, partOf, Robot Design>
+<start, connectedTo, Exploration Robotics>
+<start, connectedTo, Sensor Integration>
+<start, yes, Fault Detection and Diagnosis>
diff --git a/test/mermaid/scanned_hard/mermaid_268.mmd b/test/mermaid/scanned_hard/mermaid_268.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b4df6e30fc21f494759e7eb80a688af2356f1c51
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_268.mmd
@@ -0,0 +1,158 @@
+graph BT
+    N0([Site Logistics])
+    N1{Budget Tracking}
+    N2[/Excavation/]
+    N3[/Permit Application/]
+    N4[[Steel Erection]]
+    N5(Roofing Installation)
+    N6[Blueprint Review]
+    N7(Demolition)
+    N8[Site Planning]
+    N9{Project Scheduling}
+    N10{Pre_fabrication}
+    N11([Plumbing Work])
+    N12{Material Procurement}
+    N13[[Risk Assessment]]
+    N14{Electrical Wiring}
+    N15([Drone Surveying])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Robotics in Construction
+        nest0_0(Concrete Pouring)
+        nest0_1[(Waste Management)]
+        nest0_2[Post_Construction Handover]
+        nest0_3[(BIM Modeling)]
+    end
+    subgraph Occupancy Permit Acquisition
+        nest1_0([Subcontractor Management])
+        nest1_1[Foundation Laying]
+        nest1_2[Site Decontamination]
+        nest1_3[(Facade Installation)]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 --> N10
+    N10 --> N11
+    N11 --> N12
+    N12 --> N13
+    N13 -.-> N14
+    N14 -.-> N15
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> nest0_3
+    N11 -.-> nest0_0
+    nest0_3 -.-> N2
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 -.-> nest1_3
+    N13 -.-> nest1_0
+    nest1_3 -.-> N5
+    N7 --> S0
+    S0 -.-> N15
+    S0 -.-> N9
+    S0 -.-> N11
+    N8 -.-> S1
+    S1 -.-> N13
+    S1 --> N15
+    S1 -.-> N10
+    N9 -.-> S2
+    S2 -.-> N11
+    S2 --> N12
+    N1 -.-> M0
+    N11 --> M0
+    M0 -.-> N14
+    N4 -.-> M1
+    N12 -.-> M1
+    M1 -.-> N14
+    N0 -.-> M2
+    N8 --> M2
+    N3 -.-> M2
+    M2 -.-> N10
+    style N0 fill:#FFF8E1,stroke:#FFD54F
+    style N1 fill:#C9F0F0,stroke:#4DD0E1
+    style N2 fill:#ECCFF5,stroke:#CD8FF2
+    style N3 fill:#FFF8E1,stroke:#FFD54F
+    style N4 fill:#FFF8E1,stroke:#FFD54F
+    style N5 fill:#C9F0F0,stroke:#4DD0E1
+    style N6 fill:#ECCFF5,stroke:#CD8FF2
+    style N7 fill:#FFF8E1,stroke:#FFD54F
+    style N8 fill:#FFF8E1,stroke:#FFD54F
+    style N9 fill:#ECCFF5,stroke:#CD8FF2
+    style N10 fill:#ECCFF5,stroke:#CD8FF2
+    style N11 fill:#FFF8E1,stroke:#FFD54F
+    style N12 fill:#FFF8E1,stroke:#FFD54F
+    style N13 fill:#C9F0F0,stroke:#4DD0E1
+    style N14 fill:#FFF8E1,stroke:#FFD54F
+    style N15 fill:#ECCFF5,stroke:#CD8FF2
+    style S0 fill:#C9F0F0,stroke:#4DD0E1
+    style S1 fill:#ECCFF5,stroke:#CD8FF2
+    style S2 fill:#C9F0F0,stroke:#4DD0E1
+    style M0 fill:#FFF8E1,stroke:#FFD54F
+    style M1 fill:#ECCFF5,stroke:#CD8FF2
+    style M2 fill:#C9F0F0,stroke:#4DD0E1
+    style nest0_0 fill:#ECCFF5,stroke:#CD8FF2
+    style nest0_1 fill:#ECCFF5,stroke:#CD8FF2
+    style nest0_2 fill:#ECCFF5,stroke:#CD8FF2
+    style nest0_3 fill:#ECCFF5,stroke:#CD8FF2
+    style nest1_0 fill:#C9F0F0,stroke:#4DD0E1
+    style nest1_1 fill:#ECCFF5,stroke:#CD8FF2
+    style nest1_2 fill:#ECCFF5,stroke:#CD8FF2
+    style nest1_3 fill:#FFF8E1,stroke:#FFD54F
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 44 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 45 stroke:#CD8FF2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_268.txt b/test/mermaid/scanned_hard/mermaid_268.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0f639d8c1a3ebba872e8ccfaaecc74f7e8191e7b
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_268.txt
@@ -0,0 +1,47 @@
+<BIM Modeling, connectedTo, Excavation>
+<BIM Modeling, partOf, Robotics in Construction>
+<Blueprint Review, connectedTo, Demolition>
+<Budget Tracking, connectedTo, Electrical Wiring>
+<Budget Tracking, connectedTo, Excavation>
+<Concrete Pouring, connectedTo, Waste Management>
+<Concrete Pouring, partOf, Robotics in Construction>
+<Demolition, connectedTo, Drone Surveying>
+<Demolition, connectedTo, Plumbing Work>
+<Demolition, connectedTo, Project Scheduling>
+<Demolition, connectedTo, Site Planning>
+<Electrical Wiring, connectedTo, Drone Surveying>
+<Excavation, connectedTo, Permit Application>
+<Facade Installation, connectedTo, Roofing Installation>
+<Facade Installation, partOf, Occupancy Permit Acquisition>
+<Foundation Laying, connectedTo, Site Decontamination>
+<Foundation Laying, partOf, Occupancy Permit Acquisition>
+<Material Procurement, connectedTo, Electrical Wiring>
+<Material Procurement, connectedTo, Risk Assessment>
+<Permit Application, connectedTo, Pre_fabrication>
+<Permit Application, connectedTo, Steel Erection>
+<Plumbing Work, connectedTo, Concrete Pouring>
+<Plumbing Work, connectedTo, Electrical Wiring>
+<Plumbing Work, connectedTo, Material Procurement>
+<Post_Construction Handover, connectedTo, BIM Modeling>
+<Post_Construction Handover, partOf, Robotics in Construction>
+<Pre_fabrication, connectedTo, Plumbing Work>
+<Project Scheduling, connectedTo, Material Procurement>
+<Project Scheduling, connectedTo, Plumbing Work>
+<Project Scheduling, connectedTo, Pre_fabrication>
+<Risk Assessment, connectedTo, Electrical Wiring>
+<Risk Assessment, connectedTo, Subcontractor Management>
+<Roofing Installation, connectedTo, Blueprint Review>
+<Site Decontamination, connectedTo, Facade Installation>
+<Site Decontamination, partOf, Occupancy Permit Acquisition>
+<Site Logistics, connectedTo, Budget Tracking>
+<Site Logistics, connectedTo, Pre_fabrication>
+<Site Planning, connectedTo, Drone Surveying>
+<Site Planning, connectedTo, Pre_fabrication>
+<Site Planning, connectedTo, Project Scheduling>
+<Site Planning, connectedTo, Risk Assessment>
+<Steel Erection, connectedTo, Electrical Wiring>
+<Steel Erection, connectedTo, Roofing Installation>
+<Subcontractor Management, connectedTo, Foundation Laying>
+<Subcontractor Management, partOf, Occupancy Permit Acquisition>
+<Waste Management, connectedTo, Post_Construction Handover>
+<Waste Management, partOf, Robotics in Construction>
diff --git a/test/mermaid/scanned_hard/mermaid_269.txt b/test/mermaid/scanned_hard/mermaid_269.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d3d4334adb8079d6043bc78f18e2e19d5280c5cd
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_269.txt
@@ -0,0 +1,40 @@
+<Analytics Reporting, connectedTo, Audience Engagement>
+<Analytics Reporting, connectedTo, Brand Partnerships>
+<Audience Engagement, connectedTo, Augmented Reality Experiences>
+<Augmented Reality Experiences, connectedTo, Print Layout>
+<Brand Partnerships, connectedTo, Audience Engagement>
+<Brand Partnerships, connectedTo, Augmented Reality Experiences>
+<Brand Partnerships, connectedTo, Print Layout>
+<Content Creation, connectedTo, Content Licensing>
+<Content Creation, partOf, Sound Design>
+<Content Licensing, connectedTo, Analytics Reporting>
+<Content Licensing, partOf, Sound Design>
+<Content Moderation, connectedTo, Virtual Reality Content Creation>
+<Data Monetization, connectedTo, Content Creation>
+<Data Monetization, partOf, Sound Design>
+<Editing, animates, Social Media Management>
+<Editing, connectedTo, Audience Engagement>
+<Editing, connectedTo, Talent Management>
+<Editing, connectedTo, User Generated Content Curation>
+<Film Production, connectedTo, Print Layout>
+<Film Production, partOf, Audience Segmentation>
+<Media Consumption Trends Analysis, connectedTo, Audience Engagement>
+<Media Consumption Trends Analysis, connectedTo, Editing>
+<Media Consumption Trends Analysis, connectedTo, Talent Management>
+<Music Recording, connectedTo, Film Production>
+<Music Recording, partOf, Audience Segmentation>
+<Photojournalism, connectedTo, Brand Partnerships>
+<Photojournalism, connectedTo, Podcast Production>
+<Photojournalism, connectedTo, Publishing>
+<Podcast Production, analyzes, Data Monetization>
+<Podcast Production, connectedTo, Media Consumption Trends Analysis>
+<Publishing, connectedTo, Content Moderation>
+<Scriptwriting, reports, Subscription Management>
+<Social Media Management, connectedTo, Scriptwriting>
+<Subscription Management, monetizes, Publishing>
+<Talent Management, connectedTo, Analytics Reporting>
+<User Generated Content Curation, connectedTo, Music Recording>
+<User Generated Content Curation, partOf, Audience Segmentation>
+<Virtual Reality Content Creation, connectedTo, Analytics Reporting>
+<Virtual Reality Content Creation, connectedTo, Brand Partnerships>
+<Virtual Reality Content Creation, regulates, Talent Management>
diff --git a/test/mermaid/scanned_hard/mermaid_27.txt b/test/mermaid/scanned_hard/mermaid_27.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e82a9e24fdc5c1880ba66c0b6b9b75793bed70fb
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_27.txt
@@ -0,0 +1,9 @@
+<Agricultural Robotics, connectedTo, Human_Robot Interaction>
+<Drone Control, applies, Safety System Implementation>
+<Exploration Robotics, avoids, Robot Programming>
+<Human_Robot Interaction, connectedTo, Drone Control>
+<Human_Robot Interaction, connectedTo, Robot Assembly>
+<Human_Robot Interaction, connectedTo, Robot Programming>
+<Robot Assembly, collaborates, Drone Control>
+<Robot Programming, senses, end>
+<Safety System Implementation, connectedTo, Exploration Robotics>
diff --git a/test/mermaid/scanned_hard/mermaid_271.txt b/test/mermaid/scanned_hard/mermaid_271.txt
new file mode 100644
index 0000000000000000000000000000000000000000..84ad9fe421f246c6701699f76dfc529273f4faf7
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_271.txt
@@ -0,0 +1,39 @@
+<Anti_Doping Control, connectedTo, Coaching>
+<Anti_Doping Control, connectedTo, Scorekeeping>
+<Anti_Doping Control, no, Sports Analytics>
+<Athlete Brand Management, connectedTo, Scorekeeping>
+<Athlete Brand Management, partOf, Team Management>
+<Coaching, connectedTo, Game Strategy>
+<Coaching, connectedTo, Refereeing>
+<Coaching, connectedTo, Ticketing Sales>
+<Community Sports Programs, connectedTo, Coaching>
+<Community Sports Programs, connectedTo, Fitness Conditioning>
+<Community Sports Programs, connectedTo, Game Strategy>
+<Data Analytics in Sports, connectedTo, Athlete Brand Management>
+<Data Analytics in Sports, partOf, Team Management>
+<Fan Club Management, connectedTo, Coaching>
+<Fan Club Management, connectedTo, Esports Event Management>
+<Fan Club Management, connectedTo, Player Transfer>
+<Fitness Conditioning, connectedTo, Sports Analytics>
+<Game Strategy, connectedTo, Esports Event Management>
+<Merchandise Sales, connectedTo, Youth Development Programs>
+<Merchandise Sales, partOf, Stadium Operations>
+<Player Transfer, connectedTo, Coaching>
+<Refereeing, connectedTo, Data Analytics in Sports>
+<Refereeing, partOf, Team Management>
+<Scorekeeping, connectedTo, Community Sports Programs>
+<Scorekeeping, connectedTo, Sports Analytics>
+<Sports Analytics, connectedTo, Coaching>
+<Sports Analytics, connectedTo, Esports Event Management>
+<Sports Analytics, connectedTo, Fan Club Management>
+<Sports Analytics, connectedTo, Player Transfer>
+<Sports Betting Regulation, connectedTo, Merchandise Sales>
+<Sports Betting Regulation, partOf, Stadium Operations>
+<Ticketing Sales, connectedTo, Sports Betting Regulation>
+<Ticketing Sales, partOf, Stadium Operations>
+<Youth Development Programs, connectedTo, Anti_Doping Control>
+<Youth Development Programs, connectedTo, Scorekeeping>
+<Youth Development Programs, connectedTo, Sports Analytics>
+<start, connectedTo, Coaching>
+<start, connectedTo, Scorekeeping>
+<start, connectedTo, Youth Development Programs>
diff --git a/test/mermaid/scanned_hard/mermaid_273.txt b/test/mermaid/scanned_hard/mermaid_273.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cb55b55877e1a378775338f0ae9072343087961f
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_273.txt
@@ -0,0 +1,38 @@
+<Candidate Sourcing, connectedTo, Compensation and Benefits>
+<Compensation and Benefits, connectedTo, Recruitment Planning>
+<Compliance Management, connectedTo, Wellness Programs>
+<Compliance Management, partOf, Performance Appraisal>
+<Conflict Resolution, protects, Leadership Training>
+<Diversity and Inclusion Initiatives, connectedTo, Candidate Sourcing>
+<Diversity and Inclusion Initiatives, connectedTo, Conflict Resolution>
+<Employee Data Management, connectedTo, Candidate Sourcing>
+<Employee Handbook Creation, connectedTo, Wellness Programs>
+<Employee Recognition Programs, connectedTo, Global Mobility Programs>
+<Employee Recognition Programs, partOf, Employee Engagement Surveys>
+<Global Mobility Programs, connectedTo, Diversity and Inclusion Initiatives>
+<Global Mobility Programs, partOf, Employee Engagement Surveys>
+<HR Analytics, connectedTo, Employee Handbook Creation>
+<Interview Scheduling, connectedTo, Candidate Sourcing>
+<Interview Scheduling, connectedTo, HR Analytics>
+<Interview Scheduling, connectedTo, Recruitment Planning>
+<Interview Scheduling, connectedTo, Wellness Programs>
+<Interview Scheduling, connectedTo, end>
+<Job Posting, connectedTo, Candidate Sourcing>
+<Job Posting, connectedTo, Employee Data Management>
+<Job Posting, connectedTo, Recruitment Planning>
+<Job Posting, connectedTo, end>
+<Leadership Training, connectedTo, Employee Recognition Programs>
+<Leadership Training, connectedTo, Interview Scheduling>
+<Leave Management, complies, Candidate Sourcing>
+<Leave Management, connectedTo, Employee Data Management>
+<Leave Management, connectedTo, Job Posting>
+<Leave Management, connectedTo, Recruitment Planning>
+<Organizational Development, connectedTo, Compliance Management>
+<Organizational Development, partOf, Performance Appraisal>
+<Recruitment Planning, connectedTo, Organizational Development>
+<Recruitment Planning, connectedTo, end>
+<Talent Management, connectedTo, Conflict Resolution>
+<Talent Management, connectedTo, Diversity and Inclusion Initiatives>
+<Wellness Programs, connectedTo, Leave Management>
+<start, connectedTo, Conflict Resolution>
+<start, connectedTo, Talent Management>
diff --git a/test/mermaid/scanned_hard/mermaid_274.mmd b/test/mermaid/scanned_hard/mermaid_274.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..aec4cd32434a95090663e191acd480e5c7ce8a17
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_274.mmd
@@ -0,0 +1,108 @@
+graph LR
+    N0([start])
+    N1[(Applicant Tracking System Management)]
+    N2(Negotiation)
+    N3[Interview Panel Coordination]
+    N4(Background Check)
+    N5{Freelancer Engagement}
+    N6[/Contingent Workforce Management/]
+    N7[Global Recruitment Strategy]
+    N8{Executive Search}
+    N9[[Interview Conducting]]
+    N10{AI in Recruitment}
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    subgraph Offer Extension
+        nest0_0(Job Fair Organization)
+        nest0_1{Passive Candidate Engagement}
+        nest0_2[/Job Description Creation/]
+    end
+    subgraph Social Recruiting
+        nest1_0(Headhunting)
+        nest1_1([Recruitment Process Outsourcing Management])
+        nest1_2([Talent Pipeline Building])
+        nest1_3[(Diversity Sourcing)]
+    end
+    N0 --> |builds| N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> |optimizes| N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> N10
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    N4 --> |complies| nest0_0
+    nest0_2 --> N6
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 --> nest1_3
+    N5 --> nest1_0
+    nest1_3 -.-> N6
+    N3 --> S0
+    S0 -.-> N8
+    S0 -.-> |advertises| N6
+    N0 -.-> S1
+    S1 -.-> N8
+    S1 -.-> N4
+    S1 -.-> N7
+    N1 -.-> M1
+    N0 -.-> M1
+    N2 -.-> M1
+    M1 --> N6
+    style N0 fill:#EDE7F6,stroke:#9575CD
+    style N1 fill:#EDF5F3,stroke:#A1D7CD
+    style N2 fill:#FBE9E7,stroke:#FF8A65
+    style N3 fill:#FBE9E7,stroke:#FF8A65
+    style N4 fill:#EDE7F6,stroke:#9575CD
+    style N5 fill:#EDF5F3,stroke:#A1D7CD
+    style N6 fill:#EDE7F6,stroke:#9575CD
+    style N7 fill:#EDE7F6,stroke:#9575CD
+    style N8 fill:#FBE9E7,stroke:#FF8A65
+    style N9 fill:#FBE9E7,stroke:#FF8A65
+    style N10 fill:#EDF5F3,stroke:#A1D7CD
+    style S0 fill:#EDF5F3,stroke:#A1D7CD
+    style S1 fill:#EDF5F3,stroke:#A1D7CD
+    style M1 fill:#EDF5F3,stroke:#A1D7CD
+    style nest0_0 fill:#EDF5F3,stroke:#A1D7CD
+    style nest0_1 fill:#EDF5F3,stroke:#A1D7CD
+    style nest0_2 fill:#FBE9E7,stroke:#FF8A65
+    style nest1_0 fill:#EDE7F6,stroke:#9575CD
+    style nest1_1 fill:#EDF5F3,stroke:#A1D7CD
+    style nest1_2 fill:#FBE9E7,stroke:#FF8A65
+    style nest1_3 fill:#EDE7F6,stroke:#9575CD
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#9575CD,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_274.txt b/test/mermaid/scanned_hard/mermaid_274.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0552299eb5d95ff540cca42a023d47fc71737c18
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_274.txt
@@ -0,0 +1,34 @@
+<Applicant Tracking System Management, connectedTo, Contingent Workforce Management>
+<Applicant Tracking System Management, connectedTo, Negotiation>
+<Background Check, complies, Job Fair Organization>
+<Background Check, optimizes, Freelancer Engagement>
+<Contingent Workforce Management, connectedTo, Global Recruitment Strategy>
+<Diversity Sourcing, connectedTo, Contingent Workforce Management>
+<Diversity Sourcing, partOf, Social Recruiting>
+<Executive Search, connectedTo, Interview Conducting>
+<Freelancer Engagement, connectedTo, Contingent Workforce Management>
+<Freelancer Engagement, connectedTo, Headhunting>
+<Global Recruitment Strategy, connectedTo, Executive Search>
+<Headhunting, connectedTo, Recruitment Process Outsourcing Management>
+<Headhunting, partOf, Social Recruiting>
+<Interview Conducting, connectedTo, AI in Recruitment>
+<Interview Panel Coordination, advertises, Contingent Workforce Management>
+<Interview Panel Coordination, connectedTo, Background Check>
+<Interview Panel Coordination, connectedTo, Executive Search>
+<Job Description Creation, connectedTo, Contingent Workforce Management>
+<Job Description Creation, partOf, Offer Extension>
+<Job Fair Organization, connectedTo, Passive Candidate Engagement>
+<Job Fair Organization, partOf, Offer Extension>
+<Negotiation, connectedTo, Contingent Workforce Management>
+<Negotiation, connectedTo, Interview Panel Coordination>
+<Passive Candidate Engagement, connectedTo, Job Description Creation>
+<Passive Candidate Engagement, partOf, Offer Extension>
+<Recruitment Process Outsourcing Management, connectedTo, Talent Pipeline Building>
+<Recruitment Process Outsourcing Management, partOf, Social Recruiting>
+<Talent Pipeline Building, connectedTo, Diversity Sourcing>
+<Talent Pipeline Building, partOf, Social Recruiting>
+<start, builds, Applicant Tracking System Management>
+<start, connectedTo, Background Check>
+<start, connectedTo, Contingent Workforce Management>
+<start, connectedTo, Executive Search>
+<start, connectedTo, Global Recruitment Strategy>
diff --git a/test/mermaid/scanned_hard/mermaid_276.txt b/test/mermaid/scanned_hard/mermaid_276.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9ed7885dbad5af9b3c8c643ebf87a30dababb605
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_276.txt
@@ -0,0 +1,38 @@
+<Blockchain for Traceability, connectedTo, Digital Twin of Supply Chain>
+<Blockchain for Traceability, partOf, Production Scheduling Integration>
+<Collaborative Planning, automates, Performance Monitoring>
+<Collaborative Planning, connectedTo, Transportation Management>
+<Contract Manufacturing Oversight, connectedTo, Intermodal Transportation>
+<Customs Compliance, connectedTo, Order Fulfillment>
+<Data Analytics for Supply Chain, manages, Warehousing>
+<Demand Planning, partOf, Last_Mile Delivery Optimization>
+<Demand Planning, secures, Sustainability Initiatives>
+<Digital Twin of Supply Chain, connectedTo, Reverse Logistics>
+<Digital Twin of Supply Chain, partOf, Production Scheduling Integration>
+<Logistics Optimization, connectedTo, Customs Compliance>
+<Logistics Optimization, connectedTo, Data Analytics for Supply Chain>
+<Logistics Optimization, connectedTo, Order Fulfillment>
+<Logistics Optimization, connectedTo, Transportation Management>
+<Order Fulfillment, connectedTo, Intermodal Transportation>
+<Order Fulfillment, connectedTo, Transportation Management>
+<Performance Monitoring, connectedTo, Logistics Optimization>
+<Performance Monitoring, sources, Transportation Management>
+<Performance Monitoring, tracks, Order Fulfillment>
+<Production Planning, connectedTo, Intermodal Transportation>
+<Production Planning, connectedTo, Third_Party Logistics Management>
+<Reverse Logistics, inspects, Performance Monitoring>
+<Reverse Logistics, partOf, Production Scheduling Integration>
+<Supplier Selection, connectedTo, Blockchain for Traceability>
+<Supplier Selection, partOf, Production Scheduling Integration>
+<Sustainability Initiatives, connectedTo, Transportation Management>
+<Sustainability Initiatives, partOf, Last_Mile Delivery Optimization>
+<Third_Party Logistics Management, connectedTo, Data Analytics for Supply Chain>
+<Transportation Management, connectedTo, Demand Planning>
+<Transportation Management, connectedTo, Intermodal Transportation>
+<Transportation Management, connectedTo, Production Planning>
+<Transportation Management, connectedTo, Supplier Selection>
+<Transportation Management, connectedTo, Third_Party Logistics Management>
+<Vendor Managed Inventory, connectedTo, Contract Manufacturing Oversight>
+<Warehousing, connectedTo, Intermodal Transportation>
+<Warehousing, connectedTo, Vendor Managed Inventory>
+<Warehousing, mitigates, Contract Manufacturing Oversight>
diff --git a/test/mermaid/scanned_hard/mermaid_278.txt b/test/mermaid/scanned_hard/mermaid_278.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0631375d9e0c6c68999ce6d5a72bb64904a72149
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_278.txt
@@ -0,0 +1,48 @@
+<Ballast Water Management, connectedTo, Green Shipping Initiatives>
+<Bunkering, connectedTo, Customs Clearance>
+<Bunkering, connectedTo, Digitalization of Shipping>
+<Bunkering, connectedTo, Green Shipping Initiatives>
+<Bunkering, connectedTo, Pollution Control>
+<Bunkering, connectedTo, end>
+<Cargo Loading, connectedTo, Salvage Operations>
+<Cargo Loading, partOf, Fleet Management>
+<Customs Clearance, connectedTo, Pollution Control>
+<Customs Clearance, connectedTo, Salvage Operations>
+<Digitalization of Shipping, connectedTo, Fisheries Management>
+<Digitalization of Shipping, connectedTo, Offshore Operations>
+<Digitalization of Shipping, connectedTo, Port Operations>
+<Digitalization of Shipping, connectedTo, Salvage Operations>
+<Digitalization of Shipping, no, Ballast Water Management>
+<Fisheries Management, connectedTo, Maritime Security>
+<Freight Forwarding, connectedTo, Bunkering>
+<Freight Forwarding, connectedTo, Pollution Control>
+<Green Shipping Initiatives, connectedTo, Vessel Maintenance>
+<Inland Waterway Transport, connectedTo, Cargo Loading>
+<Inland Waterway Transport, partOf, Fleet Management>
+<Marine Safety Inspection, connectedTo, Digitalization of Shipping>
+<Marine Safety Inspection, connectedTo, Salvage Operations>
+<Maritime Law Compliance, connectedTo, Bunkering>
+<Maritime Law Compliance, no, Freight Forwarding>
+<Maritime Law Compliance, yes, Salvage Operations>
+<Maritime Security, connectedTo, Offshore Operations>
+<Navigation, partOf, Marine Data Analytics>
+<Navigation, yes, Port Operations>
+<Offshore Operations, connectedTo, Port Operations>
+<Offshore Operations, connectedTo, Search and Rescue Coordination>
+<Pollution Control, connectedTo, Marine Safety Inspection>
+<Port Operations, connectedTo, Ship_to_Shore Communication>
+<Port Operations, connectedTo, end>
+<Salvage Operations, connectedTo, Voyage Optimization>
+<Search and Rescue Coordination, connectedTo, Inland Waterway Transport>
+<Search and Rescue Coordination, partOf, Fleet Management>
+<Ship_to_Shore Communication, connectedTo, Terminal Management>
+<Ship_to_Shore Communication, partOf, Marine Data Analytics>
+<Shipbuilding, no, Navigation>
+<Shipbuilding, partOf, Marine Data Analytics>
+<Terminal Management, connectedTo, Shipbuilding>
+<Terminal Management, partOf, Marine Data Analytics>
+<Vessel Maintenance, connectedTo, Fisheries Management>
+<Voyage Optimization, connectedTo, Ballast Water Management>
+<start, connectedTo, Bunkering>
+<start, connectedTo, Maritime Law Compliance>
+<start, connectedTo, Salvage Operations>
diff --git a/test/mermaid/scanned_hard/mermaid_279.mmd b/test/mermaid/scanned_hard/mermaid_279.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f84c799fca2c119c0aab8f8576ee511fee2b04dd
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_279.mmd
@@ -0,0 +1,160 @@
+graph LR
+    N0([In_Situ Resource Utilization])
+    N1(Satellite Deployment)
+    N2[Launch Vehicle Integration]
+    N3[International Collaboration]
+    N4[/Robotics for Space Exploration/]
+    N5(Spacecraft Control)
+    N6[[Astrophysics Research]]
+    N7(Mission Control Center Management)
+    N8(Ground Station Operations)
+    N9(Deep Space Communications)
+    N10[Space Station Operations]
+    N11[[Scientific Data Analysis]]
+    N12(New Space Technology Development)
+    N13(Launch Operations)
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Telemetry Monitoring
+        nest0_0[Microgravity Experiments]
+        nest0_1(Planetary Science Research)
+        nest0_2([Space Debris Mitigation])
+        nest0_3[Astronaut Training]
+    end
+    subgraph Lunar Exploration
+        nest1_0(Interplanetary Trajectory Calculation)
+        nest1_1([Radiation Shielding Design])
+        nest1_2[/Mission Design/]
+        nest1_3[Life Support Systems]
+    end
+    N0 -.-> N1
+    N1 --> |secures| N2
+    N2 -.-> |inspires| N3
+    N3 --> |regulates| N4
+    N4 -.-> N5
+    N5 -.-> |explores| N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    nest0_0 --> nest0_1
+    nest0_1 -.-> |tests| nest0_2
+    nest0_2 -.-> nest0_3
+    N10 --> nest0_0
+    nest0_3 --> |transmits| N6
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 -.-> nest1_3
+    N10 --> nest1_0
+    nest1_3 --> N7
+    N4 --> S0
+    S0 -.-> N11
+    S0 --> N7
+    N9 --> S1
+    S1 --> N11
+    S1 -.-> |designs| N13
+    S1 -.-> N12
+    N0 -.-> S2
+    S2 --> N8
+    S2 -.-> N4
+    S2 -.-> N7
+    S2 --> N3
+    N2 -.-> M0
+    N1 --> M0
+    N0 --> M0
+    N8 -.-> |collaborates| M0
+    M0 -.-> N10
+    N0 -.-> M1
+    N3 --> M1
+    N4 -.-> M1
+    M1 --> N7
+    N2 --> M2
+    N0 -.-> M2
+    N10 --> M2
+    N7 -.-> M2
+    M2 --> N12
+    style N0 fill:#FFE0B2,stroke:#FF9800
+    style N1 fill:#F9FBE7,stroke:#C0CA33
+    style N2 fill:#F9FBE7,stroke:#C0CA33
+    style N3 fill:#E8F0FF,stroke:#A2D0FF
+    style N4 fill:#E8F0FF,stroke:#A2D0FF
+    style N5 fill:#E8F0FF,stroke:#A2D0FF
+    style N6 fill:#E8F0FF,stroke:#A2D0FF
+    style N7 fill:#FFE0B2,stroke:#FF9800
+    style N8 fill:#FFE0B2,stroke:#FF9800
+    style N9 fill:#FFE0B2,stroke:#FF9800
+    style N10 fill:#F9FBE7,stroke:#C0CA33
+    style N11 fill:#F9FBE7,stroke:#C0CA33
+    style N12 fill:#E8F0FF,stroke:#A2D0FF
+    style N13 fill:#E8F0FF,stroke:#A2D0FF
+    style S0 fill:#FFE0B2,stroke:#FF9800
+    style S1 fill:#E8F0FF,stroke:#A2D0FF
+    style S2 fill:#FFE0B2,stroke:#FF9800
+    style M0 fill:#FFE0B2,stroke:#FF9800
+    style M1 fill:#FFE0B2,stroke:#FF9800
+    style M2 fill:#F9FBE7,stroke:#C0CA33
+    style nest0_0 fill:#F9FBE7,stroke:#C0CA33
+    style nest0_1 fill:#F9FBE7,stroke:#C0CA33
+    style nest0_2 fill:#E8F0FF,stroke:#A2D0FF
+    style nest0_3 fill:#FFE0B2,stroke:#FF9800
+    style nest1_0 fill:#E8F0FF,stroke:#A2D0FF
+    style nest1_1 fill:#F9FBE7,stroke:#C0CA33
+    style nest1_2 fill:#FFE0B2,stroke:#FF9800
+    style nest1_3 fill:#FFE0B2,stroke:#FF9800
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 44 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 45 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 46 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 47 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 48 stroke:#FF9800,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_28.mmd b/test/mermaid/scanned_hard/mermaid_28.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b6b20e4ee08d90e07d1e359ad9039f62380a4398
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_28.mmd
@@ -0,0 +1,26 @@
+graph TD
+    N0([start])
+    N1(Material Procurement)
+    N2[[Site Logistics]]
+    N3([Punch List Completion])
+    N4[Post_Construction Handover]
+    N5[/Tunneling/]
+    N6[Equipment Mobilization]
+    N7([end])
+    N0 --> |no| N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> |yes| N4
+    N4 -.-> N5
+    N5 --> |yes| N6
+    N6 -.-> |no| N7
+    N2 -.-> N0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_280.mmd b/test/mermaid/scanned_hard/mermaid_280.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..220ccac86f769ab6be805ff712435a1ed1eaf1f4
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_280.mmd
@@ -0,0 +1,114 @@
+graph LR
+    N0([start])
+    N1[[Drought Monitoring and Forecasting]]
+    N2([Carbon Sequestration Technologies])
+    N3([Remote Sensing for Climate])
+    N4[Paleoclimate Reconstruction]
+    N5([Climate Change Vulnerability Assessment])
+    N6[Greenhouse Gas Measurement]
+    N7{Sea Level Rise Projection}
+    N8[Satellite Data Interpretation]
+    N9[/Ecological Footprint Calculation/]
+    N10([Ice Sheet Dynamics])
+    N11{Flood Risk Assessment}
+    N12[(Data Collection)]
+    N13([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Glacier Mass Balance Monitoring
+        nest0_0[Renewable Energy Potential Assessment]
+        nest0_1(Carbon Cycle Research)
+        nest0_2[(Extreme Weather Event Analysis)]
+        nest0_3([Climate Resilient Agriculture])
+    end
+    subgraph Green Technology Incubation
+        nest1_0[International Climate Negotiation]
+        nest1_1[Ecosystem Response Modeling]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> |no| N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 --> |yes| N13
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 --> nest0_3
+    N8 --> nest0_0
+    nest0_3 -.-> N13
+    nest1_0 -.-> nest1_1
+    N6 --> nest1_0
+    nest1_1 --> N11
+    N7 --> S0
+    S0 --> N10
+    S0 --> N11
+    S0 -.-> N9
+    N7 -.-> S1
+    S1 -.-> |no| N9
+    S1 --> N12
+    S1 -.-> N10
+    S1 --> N11
+    N4 --> |yes| M0
+    N3 --> M0
+    N5 --> M0
+    N1 -.-> M0
+    M0 --> N7
+    N1 --> M1
+    N0 -.-> M1
+    N4 --> M1
+    N2 -.-> M1
+    M1 -.-> N6
+    style S0 fill:#EDF5F3,stroke:#A1D7CD
+    style S1 fill:#ECCFF5,stroke:#CD8FF2
+    style M0 fill:#D1C4E9,stroke:#673AB7
+    style M1 fill:#EDF5F3,stroke:#A1D7CD
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#673AB7,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_282.mmd b/test/mermaid/scanned_hard/mermaid_282.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..9611059e44e505f42cb133c405942fc8773820cf
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_282.mmd
@@ -0,0 +1,136 @@
+graph LR
+    N0([Circular Economy Initiatives])
+    N1(Resource Recovery)
+    N2[Industrial Waste Management]
+    N3(Waste Reduction Planning)
+    N4([Waste Sorting])
+    N5{Smart Waste Bins}
+    N6[/Landfill Gas Collection/]
+    N7[/Metal Recycling/]
+    N8(Electronic Waste Recycling)
+    N9(Waste Characterization Study)
+    N10[/Hazardous Waste Disposal/]
+    N11(Biomedical Waste Handling)
+    N12([Container Management])
+    N13[[Textile Recycling]]
+    N14(Waste Audit)
+    N15[[Organics Collection]]
+    N16([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Waste_to_Energy Conversion
+        nest0_0[[Composting]]
+        nest0_1(Waste Compaction)
+        nest0_2([Waste Logistics Optimization])
+        nest0_3([Plastic Recycling Technologies])
+    end
+    subgraph Leachate Treatment
+        nest1_0[Construction and Demolition Waste Management]
+        nest1_1(Material Recovery Facility Operation)
+        nest1_2[Waste Incineration]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> |innovates| N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> |compacts| N9
+    N9 -.-> |incinerates| N10
+    N10 --> N11
+    N11 -.-> |designs| N12
+    N12 --> N13
+    N13 --> N14
+    N14 --> N15
+    N15 --> N16
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> nest0_3
+    N1 -.-> nest0_0
+    nest0_3 -.-> N12
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    N2 --> nest1_0
+    nest1_2 --> N8
+    N4 -.-> S0
+    S0 -.-> |processes| N7
+    S0 --> N14
+    S0 -.-> N8
+    N9 --> S1
+    S1 --> N14
+    S1 --> N12
+    N2 --> M0
+    N0 --> M0
+    N5 -.-> M0
+    M0 --> N13
+    N7 --> N11
+    N11 -.-> N10
+    style N0 fill:#B3E5FC,stroke:#03A9F4
+    style N1 fill:#DFE7EB,stroke:#B0C5CD
+    style N2 fill:#B3E5FC,stroke:#03A9F4
+    style N3 fill:#E8EAF6,stroke:#7986CB
+    style N4 fill:#B3E5FC,stroke:#03A9F4
+    style N5 fill:#B3E5FC,stroke:#03A9F4
+    style N6 fill:#E8EAF6,stroke:#7986CB
+    style N7 fill:#B3E5FC,stroke:#03A9F4
+    style N8 fill:#DFE7EB,stroke:#B0C5CD
+    style N9 fill:#B3E5FC,stroke:#03A9F4
+    style N10 fill:#DFE7EB,stroke:#B0C5CD
+    style N11 fill:#E8EAF6,stroke:#7986CB
+    style N12 fill:#B3E5FC,stroke:#03A9F4
+    style N13 fill:#B3E5FC,stroke:#03A9F4
+    style N14 fill:#DFE7EB,stroke:#B0C5CD
+    style N15 fill:#B3E5FC,stroke:#03A9F4
+    style N16 fill:#B3E5FC,stroke:#03A9F4
+    style S0 fill:#DFE7EB,stroke:#B0C5CD
+    style S1 fill:#E8EAF6,stroke:#7986CB
+    style M0 fill:#B3E5FC,stroke:#03A9F4
+    style nest0_0 fill:#E8EAF6,stroke:#7986CB
+    style nest0_1 fill:#DFE7EB,stroke:#B0C5CD
+    style nest0_2 fill:#E8EAF6,stroke:#7986CB
+    style nest0_3 fill:#DFE7EB,stroke:#B0C5CD
+    style nest1_0 fill:#B3E5FC,stroke:#03A9F4
+    style nest1_1 fill:#DFE7EB,stroke:#B0C5CD
+    style nest1_2 fill:#DFE7EB,stroke:#B0C5CD
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#7986CB,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_283.mmd b/test/mermaid/scanned_hard/mermaid_283.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5a2132739821b80e47ef3895f0a41e65c41a14e1
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_283.mmd
@@ -0,0 +1,111 @@
+graph RL
+    N0([start])
+    N1(Industrial Water Use Optimization)
+    N2[/Greywater Recycling/]
+    N3{Water Loss Detection}
+    N4[/Reservoir Operation/]
+    N5([Water Rights Management])
+    N6([Pollution Source Identification])
+    N7{Aquifer Recharge}
+    N8[Hydroelectric Power Generation]
+    N9{Smart Water Networks}
+    N10(Water Source Identification)
+    N11[(Flood Control)]
+    N12([Agricultural Water Use Efficiency])
+    N13[(Wastewater Collection)]
+    N14([Rainwater Harvesting])
+    N15[[Piping Network Repair]]
+    N16[[Environmental Flow Assessment]]
+    N17([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Watershed Management
+        nest0_0[/Water Infrastructure Maintenance/]
+        nest0_1[(Water Distribution)]
+        nest0_2(Desalination)
+        nest0_3[Water Resource Planning]
+    end
+    subgraph Dam Management
+        nest1_0[(Climate Change Adaptation for Water)]
+        nest1_1{Irrigation Management}
+        nest1_2(Water Quality Monitoring)
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> |yes| N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> |yes| N9
+    N9 -.-> |yes| N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    N13 --> N14
+    N14 --> |yes| N15
+    N15 --> |no| N16
+    N16 -.-> N17
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 -.-> nest0_3
+    N10 --> nest0_0
+    nest0_3 -.-> N10
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    N14 -.-> nest1_0
+    nest1_2 -.-> N17
+    N13 --> S0
+    S0 --> N16
+    S0 -.-> N17
+    N2 --> S1
+    S1 --> N6
+    S1 --> N8
+    N3 -.-> M0
+    N4 --> M0
+    M0 -.-> N6
+    N4 -.-> N7
+    N12 --> |no| N0
+    style S0 fill:#C8E6C9,stroke:#4CAF50
+    style S1 fill:#E1F5FE,stroke:#4FC3F7
+    style M0 fill:#E1F5FE,stroke:#4FC3F7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#4CAF50,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_283.txt b/test/mermaid/scanned_hard/mermaid_283.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c9930dd7ec4ac8c839d145a8bccdd07b103ee424
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_283.txt
@@ -0,0 +1,41 @@
+<Agricultural Water Use Efficiency, connectedTo, Wastewater Collection>
+<Agricultural Water Use Efficiency, no, start>
+<Aquifer Recharge, connectedTo, Hydroelectric Power Generation>
+<Climate Change Adaptation for Water, connectedTo, Irrigation Management>
+<Climate Change Adaptation for Water, partOf, Dam Management>
+<Desalination, connectedTo, Water Resource Planning>
+<Desalination, partOf, Watershed Management>
+<Environmental Flow Assessment, connectedTo, end>
+<Flood Control, connectedTo, Agricultural Water Use Efficiency>
+<Greywater Recycling, connectedTo, Hydroelectric Power Generation>
+<Greywater Recycling, connectedTo, Pollution Source Identification>
+<Greywater Recycling, connectedTo, Water Loss Detection>
+<Hydroelectric Power Generation, yes, Smart Water Networks>
+<Industrial Water Use Optimization, connectedTo, Greywater Recycling>
+<Irrigation Management, connectedTo, Water Quality Monitoring>
+<Irrigation Management, partOf, Dam Management>
+<Piping Network Repair, no, Environmental Flow Assessment>
+<Pollution Source Identification, connectedTo, Aquifer Recharge>
+<Rainwater Harvesting, connectedTo, Climate Change Adaptation for Water>
+<Rainwater Harvesting, yes, Piping Network Repair>
+<Reservoir Operation, connectedTo, Aquifer Recharge>
+<Reservoir Operation, connectedTo, Pollution Source Identification>
+<Reservoir Operation, connectedTo, Water Rights Management>
+<Smart Water Networks, yes, Water Source Identification>
+<Wastewater Collection, connectedTo, Environmental Flow Assessment>
+<Wastewater Collection, connectedTo, Rainwater Harvesting>
+<Wastewater Collection, connectedTo, end>
+<Water Distribution, connectedTo, Desalination>
+<Water Distribution, partOf, Watershed Management>
+<Water Infrastructure Maintenance, connectedTo, Water Distribution>
+<Water Infrastructure Maintenance, partOf, Watershed Management>
+<Water Loss Detection, connectedTo, Pollution Source Identification>
+<Water Loss Detection, yes, Reservoir Operation>
+<Water Quality Monitoring, connectedTo, end>
+<Water Quality Monitoring, partOf, Dam Management>
+<Water Resource Planning, connectedTo, Water Source Identification>
+<Water Resource Planning, partOf, Watershed Management>
+<Water Rights Management, connectedTo, Pollution Source Identification>
+<Water Source Identification, connectedTo, Flood Control>
+<Water Source Identification, connectedTo, Water Infrastructure Maintenance>
+<start, connectedTo, Industrial Water Use Optimization>
diff --git a/test/mermaid/scanned_hard/mermaid_285.txt b/test/mermaid/scanned_hard/mermaid_285.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c03da80de1b1d3ba11f56e06f163b2653854a011
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_285.txt
@@ -0,0 +1,32 @@
+<Afforestation, connectedTo, Pest and Disease Control>
+<Afforestation, partOf, Climate Change Adaptation in Forests>
+<Biodiversity Conservation in Forests, connectedTo, Forest Health Monitoring>
+<Biodiversity Conservation in Forests, partOf, Ecological Restoration>
+<Erosion Control, connectedTo, Forest Health Monitoring>
+<Erosion Control, connectedTo, Forestry Equipment Maintenance>
+<Erosion Control, connectedTo, Pest and Disease Control>
+<Erosion Control, connectedTo, Silviculture>
+<Forest Fire Management, connectedTo, Afforestation>
+<Forest Fire Management, partOf, Climate Change Adaptation in Forests>
+<Forest Research, connectedTo, Erosion Control>
+<Forest Research, connectedTo, Forestry Equipment Maintenance>
+<Forestry Equipment Maintenance, connectedTo, Urban Forestry Management>
+<Forestry Equipment Maintenance, connectedTo, Wildlife Habitat Management>
+<Forestry Policy Development, connectedTo, Biodiversity Conservation in Forests>
+<Forestry Policy Development, partOf, Ecological Restoration>
+<Pest and Disease Control, connectedTo, Forest Health Monitoring>
+<Recreation Management, connectedTo, Sawmill Processing>
+<Reforestation, connectedTo, Forest Health Monitoring>
+<Reforestation, connectedTo, Forest Research>
+<Reforestation, connectedTo, Forestry Equipment Maintenance>
+<Reforestation, connectedTo, Recreation Management>
+<Reforestation, plants, Pest and Disease Control>
+<Sawmill Processing, connectedTo, Forest Fire Management>
+<Sawmill Processing, connectedTo, Forest Research>
+<Sawmill Processing, connectedTo, Forestry Equipment Maintenance>
+<Silviculture, connectedTo, Forest Health Monitoring>
+<Silviculture, connectedTo, Forestry Equipment Maintenance>
+<Silviculture, connectedTo, Pest and Disease Control>
+<Urban Forestry Management, connectedTo, Forestry Policy Development>
+<Urban Forestry Management, partOf, Ecological Restoration>
+<Wildlife Habitat Management, connectedTo, Pest and Disease Control>
diff --git a/test/mermaid/scanned_hard/mermaid_287.mmd b/test/mermaid/scanned_hard/mermaid_287.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..267bac5cdb6f360331917ed470488621b1196709
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_287.mmd
@@ -0,0 +1,97 @@
+graph BT
+    N0([start])
+    N1[Parent_Teacher Conferences]
+    N2(Special Needs Accommodation)
+    N3[[Emotional Support]]
+    N4(Diaper Changing)
+    N5{Nutritional Meal Preparation}
+    N6[(Motor Skill Development)]
+    N7(Childcare Facility Licensing)
+    N8[(Social Skill Development)]
+    N9{Behavior Management}
+    N10(Learning Material Selection)
+    N11{Music and Movement Activities}
+    N12(Curriculum Planning)
+    N13[Child Psychology Application]
+    N14([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Outdoor Play Supervision
+        nest0_0[/Individualized Attention/]
+        nest0_1([Infant Care])
+        nest0_2(Teacher_Child Ratio Management)
+    end
+    subgraph Hygiene Practices
+        nest1_0[/After_School Programs/]
+        nest1_1{Creative Arts Activities}
+        nest1_2([Daily Activity Reporting])
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> |no| N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 --> |yes| N12
+    N12 --> N13
+    N13 --> N14
+    nest0_0 --> |no| nest0_1
+    nest0_1 -.-> nest0_2
+    N8 -.-> nest0_0
+    nest0_2 --> N9
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    N9 -.-> nest1_0
+    nest1_2 -.-> N1
+    N9 --> S0
+    S0 --> N12
+    S0 --> N13
+    S0 -.-> |yes| N11
+    N11 -.-> S1
+    S1 -.-> N14
+    S1 --> N13
+    N2 -.-> M0
+    N3 --> M0
+    M0 --> N7
+    style S0 fill:#DED7F0,stroke:#A188DB
+    style S1 fill:#FCE4EC,stroke:#F06292
+    style M0 fill:#DED7F0,stroke:#A188DB
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#A188DB,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_288.mmd b/test/mermaid/scanned_hard/mermaid_288.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..98a8fe30f36409e6634497c7421b6a3b9d452336
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_288.mmd
@@ -0,0 +1,114 @@
+graph LR
+    N0([Nutritional Assessment])
+    N1[/Fall Prevention/]
+    N2[Physical Therapy]
+    N3([Rehabilitation Support])
+    N4[/Emotional Support and Counseling/]
+    N5[/Respite Care/]
+    N6[Social Engagement Activities]
+    N7[[Companionship]]
+    N8{Mobility Support}
+    N9(Palliative Care)
+    N10(Health Monitoring)
+    N11[Transportation Assistance]
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    subgraph Elder Abuse Prevention
+        nest0_0[Medication Management]
+        nest0_1[(Nursing Care)]
+        nest0_2[Care Plan Development]
+    end
+    subgraph Personal Care Assistance
+        nest1_0[Long_Term Care Planning]
+        nest1_1[/Speech Therapy/]
+        nest1_2(Memory Care)
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> |comforts| N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    N10 -.-> N11
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    N2 -.-> nest0_0
+    nest0_2 -.-> N10
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    N1 --> nest1_0
+    nest1_2 --> N11
+    N7 --> S0
+    S0 --> N11
+    S0 -.-> N10
+    N8 -.-> S1
+    S1 -.-> N10
+    S1 --> N11
+    N7 --> S2
+    S2 --> N11
+    S2 --> N10
+    N0 -.-> M0
+    N2 -.-> M0
+    N1 -.-> M0
+    M0 --> N4
+    style N0 fill:#FFCDD2,stroke:#F44336
+    style N1 fill:#E0E6E9,stroke:#AABEC6
+    style N2 fill:#FFFCE6,stroke:#FFF9AE
+    style N3 fill:#E0E6E9,stroke:#AABEC6
+    style N4 fill:#E0E6E9,stroke:#AABEC6
+    style N5 fill:#FFCDD2,stroke:#F44336
+    style N6 fill:#FFCDD2,stroke:#F44336
+    style N7 fill:#E0E6E9,stroke:#AABEC6
+    style N8 fill:#E0E6E9,stroke:#AABEC6
+    style N9 fill:#E0E6E9,stroke:#AABEC6
+    style N10 fill:#FFFCE6,stroke:#FFF9AE
+    style N11 fill:#FFCDD2,stroke:#F44336
+    style S0 fill:#FFFCE6,stroke:#FFF9AE
+    style S1 fill:#FFCDD2,stroke:#F44336
+    style S2 fill:#FFFCE6,stroke:#FFF9AE
+    style M0 fill:#FFCDD2,stroke:#F44336
+    style nest0_0 fill:#E0E6E9,stroke:#AABEC6
+    style nest0_1 fill:#E0E6E9,stroke:#AABEC6
+    style nest0_2 fill:#FFCDD2,stroke:#F44336
+    style nest1_0 fill:#E0E6E9,stroke:#AABEC6
+    style nest1_1 fill:#FFFCE6,stroke:#FFF9AE
+    style nest1_2 fill:#FFCDD2,stroke:#F44336
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_288.txt b/test/mermaid/scanned_hard/mermaid_288.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ba1096e0f36e50c6570444c9b425252951a5f876
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_288.txt
@@ -0,0 +1,32 @@
+<Care Plan Development, connectedTo, Health Monitoring>
+<Care Plan Development, partOf, Elder Abuse Prevention>
+<Companionship, connectedTo, Health Monitoring>
+<Companionship, connectedTo, Mobility Support>
+<Companionship, connectedTo, Transportation Assistance>
+<Emotional Support and Counseling, comforts, Respite Care>
+<Fall Prevention, connectedTo, Emotional Support and Counseling>
+<Fall Prevention, connectedTo, Long_Term Care Planning>
+<Fall Prevention, connectedTo, Physical Therapy>
+<Health Monitoring, connectedTo, Transportation Assistance>
+<Long_Term Care Planning, connectedTo, Speech Therapy>
+<Long_Term Care Planning, partOf, Personal Care Assistance>
+<Medication Management, connectedTo, Nursing Care>
+<Medication Management, partOf, Elder Abuse Prevention>
+<Memory Care, connectedTo, Transportation Assistance>
+<Memory Care, partOf, Personal Care Assistance>
+<Mobility Support, connectedTo, Health Monitoring>
+<Mobility Support, connectedTo, Palliative Care>
+<Mobility Support, connectedTo, Transportation Assistance>
+<Nursing Care, connectedTo, Care Plan Development>
+<Nursing Care, partOf, Elder Abuse Prevention>
+<Nutritional Assessment, connectedTo, Emotional Support and Counseling>
+<Nutritional Assessment, connectedTo, Fall Prevention>
+<Palliative Care, connectedTo, Health Monitoring>
+<Physical Therapy, connectedTo, Emotional Support and Counseling>
+<Physical Therapy, connectedTo, Medication Management>
+<Physical Therapy, connectedTo, Rehabilitation Support>
+<Rehabilitation Support, connectedTo, Emotional Support and Counseling>
+<Respite Care, connectedTo, Social Engagement Activities>
+<Social Engagement Activities, connectedTo, Companionship>
+<Speech Therapy, connectedTo, Memory Care>
+<Speech Therapy, partOf, Personal Care Assistance>
diff --git a/test/mermaid/scanned_hard/mermaid_289.mmd b/test/mermaid/scanned_hard/mermaid_289.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ab65c258d0d99824b934c10767e0ebb39e57f779
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_289.mmd
@@ -0,0 +1,158 @@
+graph TD
+    N0([Risk Assessment])
+    N1[Climate Change Adaptation for Disasters]
+    N2[(Reconstruction)]
+    N3[(Emergency Planning)]
+    N4([Mitigation Strategies])
+    N5(Economic Recovery Initiatives)
+    N6{Emergency Response}
+    N7(Early Recovery Actions)
+    N8([Environmental Remediation])
+    N9(Cash Transfer Programs)
+    N10([Emergency Drills and Exercises])
+    N11(Vulnerability Analysis)
+    N12[/Search and Rescue Operations/]
+    N13(Geographic Information Systems for Disasters)
+    N14[/Psychosocial Support/]
+    N15[Shelter Management]
+    N16(Communication Protocols)
+    N17(Information Dissemination)
+    N18([Policy and Legislation Review])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Hazard Identification
+        nest0_0[(Incident Command System)]
+        nest0_1{Post_Disaster Evaluation}
+        nest0_2([Community Preparedness])
+    end
+    subgraph Medical Aid Deployment
+        nest1_0[/Resilience Building/]
+        nest1_1[[International Aid Coordination]]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 --> N12
+    N12 --> N13
+    N13 --> N14
+    N14 -.-> N15
+    N15 -.-> |enforces| N16
+    N16 -.-> N17
+    N17 -.-> N18
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    N5 -.-> nest0_0
+    nest0_2 -.-> N15
+    nest1_0 -.-> nest1_1
+    N4 -.-> nest1_0
+    nest1_1 -.-> N12
+    N0 --> S0
+    S0 -.-> N13
+    S0 --> |funds| N17
+    N14 -.-> S1
+    S1 -.-> N17
+    S1 -.-> N16
+    N0 --> S2
+    S2 -.-> N3
+    S2 -.-> |mitigates| N18
+    S2 -.-> N9
+    N4 --> M0
+    N0 -.-> M0
+    N1 -.-> M0
+    M0 --> N6
+    N4 --> M1
+    N0 --> M1
+    M1 -.-> N12
+    N9 --> M2
+    N15 -.-> M2
+    N7 --> M2
+    M2 -.-> N18
+    style N0 fill:#E0E6E9,stroke:#AABEC6
+    style N1 fill:#EFE6FF,stroke:#C2B2F0
+    style N2 fill:#E0E6E9,stroke:#AABEC6
+    style N3 fill:#E0E6E9,stroke:#AABEC6
+    style N4 fill:#E0E6E9,stroke:#AABEC6
+    style N5 fill:#E8F0EA,stroke:#92C79A
+    style N6 fill:#EFE6FF,stroke:#C2B2F0
+    style N7 fill:#E0E6E9,stroke:#AABEC6
+    style N8 fill:#E0E6E9,stroke:#AABEC6
+    style N9 fill:#E8F0EA,stroke:#92C79A
+    style N10 fill:#EFE6FF,stroke:#C2B2F0
+    style N11 fill:#E0E6E9,stroke:#AABEC6
+    style N12 fill:#E0E6E9,stroke:#AABEC6
+    style N13 fill:#E8F0EA,stroke:#92C79A
+    style N14 fill:#EFE6FF,stroke:#C2B2F0
+    style N15 fill:#E0E6E9,stroke:#AABEC6
+    style N16 fill:#E0E6E9,stroke:#AABEC6
+    style N17 fill:#E0E6E9,stroke:#AABEC6
+    style N18 fill:#E8F0EA,stroke:#92C79A
+    style S0 fill:#EFE6FF,stroke:#C2B2F0
+    style S1 fill:#EFE6FF,stroke:#C2B2F0
+    style S2 fill:#EFE6FF,stroke:#C2B2F0
+    style M0 fill:#EFE6FF,stroke:#C2B2F0
+    style M1 fill:#EFE6FF,stroke:#C2B2F0
+    style M2 fill:#E8F0EA,stroke:#92C79A
+    style nest0_0 fill:#EFE6FF,stroke:#C2B2F0
+    style nest0_1 fill:#EFE6FF,stroke:#C2B2F0
+    style nest0_2 fill:#EFE6FF,stroke:#C2B2F0
+    style nest1_0 fill:#E8F0EA,stroke:#92C79A
+    style nest1_1 fill:#E8F0EA,stroke:#92C79A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 44 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 45 stroke:#C2B2F0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_290.txt b/test/mermaid/scanned_hard/mermaid_290.txt
new file mode 100644
index 0000000000000000000000000000000000000000..86e9f4622851f1daccf664845ffdf8b66f4d92b3
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_290.txt
@@ -0,0 +1,33 @@
+<Counter_Insurgency Operations, connectedTo, Surveillance>
+<Counter_Insurgency Operations, partOf, Personnel Management>
+<Disaster Relief Deployment, connectedTo, Force Projection>
+<Disaster Relief Deployment, connectedTo, Rules of Engagement>
+<Disaster Relief Deployment, connectedTo, Troop Deployment>
+<Equipment Maintenance, connectedTo, Space Operations>
+<Equipment Maintenance, partOf, Personnel Management>
+<Force Projection, analyzes, Troop Deployment>
+<Force Projection, connectedTo, Naval Operations>
+<Force Projection, connectedTo, Troop Deployment>
+<Force Projection, connectedTo, Weapon Systems Development>
+<Force Projection, coordinates, Specialized Training>
+<Naval Operations, commands, Weapon Systems Development>
+<Naval Operations, connectedTo, Recruitment>
+<Peacekeeping Missions, connectedTo, Rules of Engagement>
+<Peacekeeping Missions, partOf, Chaplain Services>
+<Readiness Assessment, connectedTo, Force Projection>
+<Readiness Assessment, warns, Disaster Relief Deployment>
+<Reconnaissance, connectedTo, Peacekeeping Missions>
+<Reconnaissance, partOf, Chaplain Services>
+<Recruitment, connectedTo, Equipment Maintenance>
+<Recruitment, partOf, Personnel Management>
+<Rules of Engagement, connectedTo, Naval Operations>
+<Rules of Engagement, connectedTo, Surveillance>
+<Rules of Engagement, connectedTo, Troop Deployment>
+<Rules of Engagement, connectedTo, Weapon Systems Development>
+<Space Operations, connectedTo, Counter_Insurgency Operations>
+<Space Operations, partOf, Personnel Management>
+<Specialized Training, connectedTo, Reconnaissance>
+<Specialized Training, partOf, Chaplain Services>
+<Surveillance, connectedTo, Force Projection>
+<Weapon Systems Development, connectedTo, Troop Deployment>
+<start, connectedTo, Readiness Assessment>
diff --git a/test/mermaid/scanned_hard/mermaid_291.mmd b/test/mermaid/scanned_hard/mermaid_291.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..2c759c393a0f07bd6c037b5a6bb4a46273a9292e
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_291.mmd
@@ -0,0 +1,96 @@
+graph TD
+    N0([start])
+    N1[Next_Generation Air Traffic Management]
+    N2[/Fleet Management/]
+    N3[Airworthiness Certification]
+    N4[Crew Scheduling]
+    N5{Aircraft Manufacturing}
+    N6[Remote Tower Operations]
+    N7(Airport Security Management)
+    N8[[Regulatory Compliance]]
+    N9(Fueling Operations)
+    N10([Navigation System Check])
+    N11([Baggage Handling])
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Air Traffic Control
+        nest0_0{Gate Assignment}
+        nest0_1([Sustainable Aviation Fuel Development])
+        nest0_2([Runway Management])
+        nest0_3(Noise Abatement Procedures)
+    end
+    subgraph Unmanned Aerial Vehicle Integration
+        nest1_0(Aerospace Engineering)
+        nest1_1[(Aircraft Maintenance)]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> |no| N4
+    N4 -.-> |no| N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> N11
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N10 -.-> nest0_0
+    nest0_3 -.-> N7
+    nest1_0 --> nest1_1
+    N7 --> nest1_0
+    nest1_1 -.-> N7
+    N8 -.-> S0
+    S0 --> N11
+    S0 -.-> N10
+    N8 --> S1
+    S1 --> N10
+    S1 -.-> N11
+    N3 -.-> |yes| M1
+    N8 -.-> M1
+    N6 -.-> M1
+    M1 -.-> N10
+    N4 -.-> M2
+    N2 --> M2
+    M2 --> N6
+    style S0 fill:#EFE6FF,stroke:#C2B2F0
+    style S1 fill:#EFE6FF,stroke:#C2B2F0
+    style M1 fill:#C9EFEC,stroke:#6FE1D5
+    style M2 fill:#EBEBEB,stroke:#E0E0E0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#C2B2F0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_291.txt b/test/mermaid/scanned_hard/mermaid_291.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f1a7e86a72075fa188698e994b0edd0c2f13036e
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_291.txt
@@ -0,0 +1,31 @@
+<Aerospace Engineering, connectedTo, Aircraft Maintenance>
+<Aerospace Engineering, partOf, Unmanned Aerial Vehicle Integration>
+<Aircraft Maintenance, connectedTo, Airport Security Management>
+<Aircraft Maintenance, partOf, Unmanned Aerial Vehicle Integration>
+<Aircraft Manufacturing, connectedTo, Remote Tower Operations>
+<Airport Security Management, connectedTo, Aerospace Engineering>
+<Airport Security Management, connectedTo, Regulatory Compliance>
+<Airworthiness Certification, no, Crew Scheduling>
+<Airworthiness Certification, yes, Navigation System Check>
+<Crew Scheduling, connectedTo, Remote Tower Operations>
+<Crew Scheduling, no, Aircraft Manufacturing>
+<Fleet Management, connectedTo, Airworthiness Certification>
+<Fleet Management, connectedTo, Remote Tower Operations>
+<Fueling Operations, connectedTo, Navigation System Check>
+<Gate Assignment, connectedTo, Sustainable Aviation Fuel Development>
+<Gate Assignment, partOf, Air Traffic Control>
+<Navigation System Check, connectedTo, Baggage Handling>
+<Navigation System Check, connectedTo, Gate Assignment>
+<Next_Generation Air Traffic Management, connectedTo, Fleet Management>
+<Noise Abatement Procedures, connectedTo, Airport Security Management>
+<Noise Abatement Procedures, partOf, Air Traffic Control>
+<Regulatory Compliance, connectedTo, Baggage Handling>
+<Regulatory Compliance, connectedTo, Fueling Operations>
+<Regulatory Compliance, connectedTo, Navigation System Check>
+<Remote Tower Operations, connectedTo, Airport Security Management>
+<Remote Tower Operations, connectedTo, Navigation System Check>
+<Runway Management, connectedTo, Noise Abatement Procedures>
+<Runway Management, partOf, Air Traffic Control>
+<Sustainable Aviation Fuel Development, connectedTo, Runway Management>
+<Sustainable Aviation Fuel Development, partOf, Air Traffic Control>
+<start, connectedTo, Next_Generation Air Traffic Management>
diff --git a/test/mermaid/scanned_hard/mermaid_293.txt b/test/mermaid/scanned_hard/mermaid_293.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b69387ee5902583633435c96455ce6a6b2cb9f77
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_293.txt
@@ -0,0 +1,43 @@
+<3D Printed Tooling, connectedTo, Material Selection>
+<4D Printing, connectedTo, 3D Printed Tooling>
+<4D Printing, connectedTo, Material Selection>
+<4D Printing, connectedTo, Rapid Manufacturing>
+<4D Printing, connectedTo, Scaffolding for Tissue Engineering>
+<Bioprinting, connectedTo, On_Demand Production>
+<Bioprinting, partOf, Consumer Product Creation>
+<Construction 3D Printing, connectedTo, Reverse Engineering with 3D Printing>
+<Construction 3D Printing, partOf, Print Farm Management>
+<Distributed Manufacturing, connectedTo, 4D Printing>
+<File Format Conversion, connectedTo, Food Printing>
+<Food Printing, connectedTo, Printing Process>
+<Intellectual Property Protection for Designs, connectedTo, Printing Parameter Optimization>
+<Maintenance and Repair of Printers, connectedTo, Distributed Manufacturing>
+<Maintenance and Repair of Printers, connectedTo, Intellectual Property Protection for Designs>
+<Material Research and Development, connectedTo, Support Structure Design>
+<Material Selection, connectedTo, Aerospace Part Production>
+<Multi_Material Printing, connectedTo, Distributed Manufacturing>
+<Multi_Material Printing, connectedTo, Food Printing>
+<Multi_Material Printing, connectedTo, Material Research and Development>
+<On_Demand Production, connectedTo, File Format Conversion>
+<On_Demand Production, partOf, Consumer Product Creation>
+<Printing Parameter Optimization, connectedTo, Multi_Material Printing>
+<Printing Parameter Optimization, connectedTo, Stereolithography>
+<Printing Process, connectedTo, Distributed Manufacturing>
+<Rapid Manufacturing, connectedTo, Construction 3D Printing>
+<Rapid Manufacturing, partOf, Print Farm Management>
+<Reverse Engineering with 3D Printing, connectedTo, Food Printing>
+<Reverse Engineering with 3D Printing, partOf, Print Farm Management>
+<Scaffolding for Tissue Engineering, connectedTo, 3D Printed Tooling>
+<Slicing Software Operation, connectedTo, Food Printing>
+<Slicing Software Operation, connectedTo, Sustainable 3D Printing Materials>
+<Stereolithography, connectedTo, Multi_Material Printing>
+<Stereolithography, connectedTo, Slicing Software Operation>
+<Support Structure Design, connectedTo, Distributed Manufacturing>
+<Support Structure Design, connectedTo, File Format Conversion>
+<Sustainable 3D Printing Materials, connectedTo, Distributed Manufacturing>
+<Sustainable 3D Printing Materials, connectedTo, Troubleshooting Print Errors>
+<Troubleshooting Print Errors, connectedTo, Bioprinting>
+<Troubleshooting Print Errors, connectedTo, Multi_Material Printing>
+<start, connectedTo, Maintenance and Repair of Printers>
+<start, connectedTo, Printing Parameter Optimization>
+<start, connectedTo, Troubleshooting Print Errors>
diff --git a/test/mermaid/scanned_hard/mermaid_294.mmd b/test/mermaid/scanned_hard/mermaid_294.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..edcfad542d61d4d5808d3f3fa61b955dc8593189
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_294.mmd
@@ -0,0 +1,87 @@
+graph BT
+    N0([start])
+    N1[Quantum Computing Integration]
+    N2[[Ethical Implications of Nanotech]]
+    N3[/X_ray Diffraction/]
+    N4([Photovoltaics])
+    N5[Regulatory Framework for Nanotech]
+    N6[Carbon Nanotube Synthesis]
+    N7[[Scanning Electron Microscopy]]
+    N8[/Environmental Remediation with Nanomaterials/]
+    N9(Water Purification using Nanomaterials)
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M1(( ))
+    subgraph Spintronics
+        nest0_0[Public Perception of Nanotechnology]
+        nest0_1[Atomic Force Microscopy]
+        nest0_2(Transmission Electron Microscopy)
+    end
+    subgraph Nanosensors
+        nest1_0(Nanocomposites)
+        nest1_1(Surface Functionalization)
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    N8 -.-> nest0_0
+    nest0_2 -.-> N3
+    nest1_0 -.-> nest1_1
+    N6 -.-> nest1_0
+    nest1_1 --> N3
+    N0 --> S0
+    S0 -.-> N5
+    S0 --> N3
+    N1 -.-> S1
+    S1 --> N9
+    S1 --> N3
+    S1 --> N6
+    N6 -.-> S2
+    S2 --> N9
+    S2 --> N8
+    N2 --> M1
+    N1 --> M1
+    M1 -.-> N5
+    style S0 fill:#ECEFF1,stroke:#90A4AE
+    style S1 fill:#ECEFF1,stroke:#90A4AE
+    style S2 fill:#FFDAB9,stroke:#FFC085
+    style M1 fill:#ECEFF1,stroke:#90A4AE
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFC085,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_296.mmd b/test/mermaid/scanned_hard/mermaid_296.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..04521e00939276e233570caa828688050d5fb100
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_296.mmd
@@ -0,0 +1,118 @@
+graph LR
+    N0([start])
+    N1(Immersive Storytelling)
+    N2[User Interface Design]
+    N3[Data Visualization in AR or VR]
+    N4[[Neuro_VR Interfaces]]
+    N5[[Ethical Considerations in AR or VR]]
+    N6{Retail Experience Enhancement}
+    N7(Spatial Audio Implementation)
+    N8[Cloud_based AR or VR Rendering]
+    N9[[Comfort and Ergonomics Design]]
+    N10{3D Model Creation}
+    N11[(User Experience Testing)]
+    N12[Software Development Kit Integration]
+    N13[(Wearable AR Devices)]
+    N14[Content Creation for AR or VR]
+    N15([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Hand Tracking and Interaction
+        nest0_0[/Live Event Streaming in VR/]
+        nest0_1(Architectural Visualization)
+        nest0_2[(Remote Collaboration Tools)]
+    end
+    subgraph Field of View Optimization
+        nest1_0[Environment Mapping]
+        nest1_1{Virtual Showrooms}
+        nest1_2{Hardware Prototyping}
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> |yes| N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 --> N13
+    N13 -.-> N14
+    N14 -.-> N15
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N13 -.-> nest0_0
+    nest0_2 -.-> N10
+    nest1_0 --> nest1_1
+    nest1_1 -.-> nest1_2
+    N11 --> nest1_0
+    nest1_2 -.-> N11
+    N10 -.-> S0
+    S0 --> N14
+    S0 --> N15
+    N3 --> S1
+    S1 -.-> N13
+    S1 -.-> N5
+    S1 --> N8
+    N3 --> M0
+    N2 --> M0
+    M0 -.-> N5
+    N8 --> M1
+    N3 --> M1
+    N9 --> M1
+    M1 -.-> N13
+    N0 --> M2
+    N1 -.-> M2
+    M2 -.-> N3
+    style S0 fill:#FFF9C4,stroke:#FFEB3B
+    style S1 fill:#EBEBEB,stroke:#E0E0E0
+    style M0 fill:#FFF9C4,stroke:#FFEB3B
+    style M1 fill:#EBEBEB,stroke:#E0E0E0
+    style M2 fill:#EDE7F6,stroke:#9575CD
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#E0E0E0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_298.mmd b/test/mermaid/scanned_hard/mermaid_298.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c4b3ed3ef8974da42b3fea0d60b694fcb7079801
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_298.mmd
@@ -0,0 +1,108 @@
+graph TD
+    N0([Streaming Platform Management])
+    N1(Synthesizer Programming)
+    N2{Concert Promotion}
+    N3(Music for Film or TV or Games)
+    N4(Music Publishing)
+    N5{Recording}
+    N6{Music Video Production}
+    N7(Music Festival Organization)
+    N8{Crowdfunding for Music Projects}
+    N9[Music Licensing]
+    N10(Music Theory Analysis)
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Ticketing
+        nest0_0[(A&R)]
+        nest0_1[/Live Sound Engineering/]
+        nest0_2{Arrangement}
+    end
+    subgraph Music Distribution
+        nest1_0([Fan Engagement Strategy])
+        nest1_1[/Mastering/]
+        nest1_2[Beat Making]
+        nest1_3(Digital Audio Workstation Operation)
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> |engineers| N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> N10
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    N9 -.-> nest0_0
+    nest0_2 -.-> N1
+    nest1_0 --> nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 --> nest1_3
+    N2 --> nest1_0
+    nest1_3 -.-> N2
+    N2 --> S0
+    S0 -.-> N5
+    S0 --> N9
+    S0 -.-> N10
+    N4 --> S1
+    S1 -.-> N7
+    S1 -.-> N6
+    S1 -.-> N10
+    N4 -.-> M0
+    N1 -.-> M0
+    M0 -.-> N7
+    style N0 fill:#FFF8E1,stroke:#FFD54F
+    style N1 fill:#FFDAB9,stroke:#FFC085
+    style N2 fill:#FFDAB9,stroke:#FFC085
+    style N3 fill:#FFF8E1,stroke:#FFD54F
+    style N4 fill:#FFDAB9,stroke:#FFC085
+    style N5 fill:#FFDAB9,stroke:#FFC085
+    style N6 fill:#FFDAB9,stroke:#FFC085
+    style N7 fill:#FFF8E1,stroke:#FFD54F
+    style N8 fill:#FFDAB9,stroke:#FFC085
+    style N9 fill:#FFF8E1,stroke:#FFD54F
+    style N10 fill:#EDE7F6,stroke:#9575CD
+    style S0 fill:#EDE7F6,stroke:#9575CD
+    style S1 fill:#EDE7F6,stroke:#9575CD
+    style M0 fill:#EDE7F6,stroke:#9575CD
+    style nest0_0 fill:#EDE7F6,stroke:#9575CD
+    style nest0_1 fill:#FFF8E1,stroke:#FFD54F
+    style nest0_2 fill:#FFDAB9,stroke:#FFC085
+    style nest1_0 fill:#FFDAB9,stroke:#FFC085
+    style nest1_1 fill:#FFF8E1,stroke:#FFD54F
+    style nest1_2 fill:#FFDAB9,stroke:#FFC085
+    style nest1_3 fill:#FFDAB9,stroke:#FFC085
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_298.txt b/test/mermaid/scanned_hard/mermaid_298.txt
new file mode 100644
index 0000000000000000000000000000000000000000..548fcd215ad45757d4ca01cd8c24d69b5b6a8691
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_298.txt
@@ -0,0 +1,33 @@
+<A&R, connectedTo, Live Sound Engineering>
+<A&R, partOf, Ticketing>
+<Arrangement, connectedTo, Synthesizer Programming>
+<Arrangement, partOf, Ticketing>
+<Beat Making, connectedTo, Digital Audio Workstation Operation>
+<Beat Making, partOf, Music Distribution>
+<Concert Promotion, connectedTo, Fan Engagement Strategy>
+<Concert Promotion, connectedTo, Music Licensing>
+<Concert Promotion, connectedTo, Music Theory Analysis>
+<Concert Promotion, connectedTo, Music for Film or TV or Games>
+<Concert Promotion, connectedTo, Recording>
+<Crowdfunding for Music Projects, connectedTo, Music Licensing>
+<Digital Audio Workstation Operation, connectedTo, Concert Promotion>
+<Digital Audio Workstation Operation, partOf, Music Distribution>
+<Fan Engagement Strategy, connectedTo, Mastering>
+<Fan Engagement Strategy, partOf, Music Distribution>
+<Live Sound Engineering, connectedTo, Arrangement>
+<Live Sound Engineering, partOf, Ticketing>
+<Mastering, connectedTo, Beat Making>
+<Mastering, partOf, Music Distribution>
+<Music Festival Organization, connectedTo, Crowdfunding for Music Projects>
+<Music Licensing, connectedTo, A&R>
+<Music Licensing, connectedTo, Music Theory Analysis>
+<Music Publishing, connectedTo, Music Festival Organization>
+<Music Publishing, connectedTo, Music Theory Analysis>
+<Music Publishing, connectedTo, Music Video Production>
+<Music Publishing, connectedTo, Recording>
+<Music Video Production, connectedTo, Music Festival Organization>
+<Music for Film or TV or Games, engineers, Music Publishing>
+<Recording, connectedTo, Music Video Production>
+<Streaming Platform Management, connectedTo, Synthesizer Programming>
+<Synthesizer Programming, connectedTo, Concert Promotion>
+<Synthesizer Programming, connectedTo, Music Festival Organization>
diff --git a/test/mermaid/scanned_hard/mermaid_299.mmd b/test/mermaid/scanned_hard/mermaid_299.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5c998fee96480b448f04737b3726d74652628476
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_299.mmd
@@ -0,0 +1,124 @@
+graph LR
+    N0([Legal Compliance])
+    N1([Film Scoring])
+    N2[Digital Asset Management]
+    N3([Sound Recording])
+    N4[(Post_production Audio)]
+    N5([Costume Design])
+    N6[(Makeup and Hair Design)]
+    N7[[Talent Negotiation]]
+    N8[(Audience Research)]
+    N9[Green Production Practices]
+    N10[/Location Scouting/]
+    N11[Crew Management]
+    N12[Cinematography]
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Special Effects
+        nest0_0{Prop Management}
+        nest0_1[(Distribution Strategy)]
+        nest0_2{Film Financing}
+    end
+    subgraph Set Construction
+        nest1_0(Directing)
+        nest1_1(Pre_production Planning)
+        nest1_2[[Production Scheduling]]
+        nest1_3(Editing)
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> |edits| N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> N11
+    N11 --> N12
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    N8 -.-> nest0_0
+    nest0_2 -.-> N3
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 --> nest1_3
+    N4 --> nest1_0
+    nest1_3 --> N3
+    N1 -.-> S0
+    S0 --> N9
+    S0 -.-> N8
+    N9 --> S1
+    S1 -.-> N11
+    S1 --> N12
+    N4 -.-> M0
+    N0 -.-> M0
+    N1 -.-> M0
+    M0 -.-> N6
+    N0 -.-> M1
+    N1 -.-> M1
+    N2 -.-> M1
+    M1 --> N6
+    style N0 fill:#D3F7F9,stroke:#80DDEA
+    style N1 fill:#D3F7F9,stroke:#80DDEA
+    style N2 fill:#D0EFEE,stroke:#73C6BC
+    style N3 fill:#D3F7F9,stroke:#80DDEA
+    style N4 fill:#D0EFEE,stroke:#73C6BC
+    style N5 fill:#D0EFEE,stroke:#73C6BC
+    style N6 fill:#FFE0B2,stroke:#FF9800
+    style N7 fill:#FFE0B2,stroke:#FF9800
+    style N8 fill:#D3F7F9,stroke:#80DDEA
+    style N9 fill:#D0EFEE,stroke:#73C6BC
+    style N10 fill:#D0EFEE,stroke:#73C6BC
+    style N11 fill:#D0EFEE,stroke:#73C6BC
+    style N12 fill:#FFE0B2,stroke:#FF9800
+    style S0 fill:#D3F7F9,stroke:#80DDEA
+    style S1 fill:#D0EFEE,stroke:#73C6BC
+    style M0 fill:#FFE0B2,stroke:#FF9800
+    style M1 fill:#FFE0B2,stroke:#FF9800
+    style nest0_0 fill:#D3F7F9,stroke:#80DDEA
+    style nest0_1 fill:#FFE0B2,stroke:#FF9800
+    style nest0_2 fill:#D0EFEE,stroke:#73C6BC
+    style nest1_0 fill:#FFE0B2,stroke:#FF9800
+    style nest1_1 fill:#D3F7F9,stroke:#80DDEA
+    style nest1_2 fill:#FFE0B2,stroke:#FF9800
+    style nest1_3 fill:#D3F7F9,stroke:#80DDEA
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_3.txt b/test/mermaid/scanned_hard/mermaid_3.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a710af9fd8f5ef8b97f773edd0f3d0cc35fc91da
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_3.txt
@@ -0,0 +1,13 @@
+<Assembly, connectedTo, end>
+<Bills of Material Generation, yes, Raw Material>
+<Inventory Check, connectedTo, end>
+<Inventory Check, no, Assembly>
+<Painting, yes, Bills of Material Generation>
+<Product Design, connectedTo, Painting>
+<Production Scheduling, connectedTo, Yield Optimization>
+<Quality Control, connectedTo, Recycling Process>
+<Quality Control, yes, Production Scheduling>
+<Raw Material, connectedTo, Quality Control>
+<Recycling Process, connectedTo, Production Scheduling>
+<Yield Optimization, yes, Inventory Check>
+<start, connectedTo, Product Design>
diff --git a/test/mermaid/scanned_hard/mermaid_30.mmd b/test/mermaid/scanned_hard/mermaid_30.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5fecbfc96f15eb7f41035a81c645c9ba8384604b
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_30.mmd
@@ -0,0 +1,40 @@
+graph TD
+    N0([Distribution])
+    N1[Waste Reduction]
+    N2[Food Preparation]
+    N3[(Nutrition Analysis)]
+    N4[Regulatory Compliance]
+    N5[/Brewing/]
+    N6[/Allergen Management/]
+    N7[[Food Safety Inspection]]
+    N8([Food Waste Management System])
+    N0 --> N1
+    N1 -.-> |grows| N2
+    N2 --> N3
+    N3 -.-> |packages| N4
+    N4 -.-> |markets| N5
+    N5 --> |freezes| N6
+    N6 -.-> |preserves| N7
+    N7 --> N8
+    N0 --> |sanitizes| N3
+    N4 -.-> N6
+    style N0 fill:#F5F5F5,stroke:#BDBDBD
+    style N1 fill:#EDF5F3,stroke:#A1D7CD
+    style N2 fill:#F5F5F5,stroke:#BDBDBD
+    style N3 fill:#F5F5F5,stroke:#BDBDBD
+    style N4 fill:#EDF5F3,stroke:#A1D7CD
+    style N5 fill:#F3E5F5,stroke:#AB47BC
+    style N6 fill:#F3E5F5,stroke:#AB47BC
+    style N7 fill:#EDF5F3,stroke:#A1D7CD
+    style N8 fill:#F5F5F5,stroke:#BDBDBD
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#AB47BC,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_300.txt b/test/mermaid/scanned_hard/mermaid_300.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8d340b264e6931b528678e5510fe189f80e09ecd
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_300.txt
@@ -0,0 +1,31 @@
+<Audio Recording, connectedTo, Interactive Content Development>
+<Audio Recording, connectedTo, Monetization Strategy>
+<Audio Recording, connectedTo, Newsletter Creation>
+<Call to Action Design, connectedTo, Ideation and Brainstorming>
+<Call to Action Design, partOf, Videography>
+<Content Strategy Development, connectedTo, Audio Recording>
+<Content Strategy Development, connectedTo, Monetization Strategy>
+<Content Strategy Development, no, Webinar Hosting>
+<Content Strategy Development, yes, Live Streaming Content>
+<Distribution Planning, connectedTo, Call to Action Design>
+<Distribution Planning, partOf, Videography>
+<Ideation and Brainstorming, connectedTo, Monetization Strategy>
+<Ideation and Brainstorming, partOf, Videography>
+<Interactive Content Development, connectedTo, Live Streaming Content>
+<Interactive Content Development, connectedTo, Monetization Strategy>
+<Live Streaming Content, connectedTo, Plagiarism Checking>
+<Live Streaming Content, no, Monetization Strategy>
+<Live Streaming Content, yes, Newsletter Creation>
+<Monetization Strategy, connectedTo, Plagiarism Checking>
+<Newsletter Creation, connectedTo, Monetization Strategy>
+<Publishing, connectedTo, Distribution Planning>
+<Publishing, partOf, Videography>
+<Research and Outline, connectedTo, Content Strategy Development>
+<Research and Outline, connectedTo, Newsletter Creation>
+<Research and Outline, connectedTo, Publishing>
+<Voice Acting or Narration, connectedTo, Content Strategy Development>
+<Voice Acting or Narration, partOf, Transcribing Audio or Video>
+<Webinar Hosting, connectedTo, Voice Acting or Narration>
+<Webinar Hosting, partOf, Transcribing Audio or Video>
+<start, connectedTo, Newsletter Creation>
+<start, no, Research and Outline>
diff --git a/test/mermaid/scanned_hard/mermaid_301.mmd b/test/mermaid/scanned_hard/mermaid_301.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a9c3ea8f27e413f5d4ddcf013f41dc166b1418c5
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_301.mmd
@@ -0,0 +1,130 @@
+graph BT
+    N0([Big Data Processing])
+    N1[/Data Cleaning/]
+    N2[/Prescriptive Analytics/]
+    N3[Exploratory Data Analysis]
+    N4[/Text Analytics/]
+    N5[(Data Governance)]
+    N6[(A or B Testing Analysis)]
+    N7[Natural Language Processing for Data]
+    N8[[Data Quality Assurance]]
+    N9([Predictive Analytics])
+    N10[Data Visualization]
+    N11(Web Analytics)
+    N12{Data Pipeline Development}
+    N13[Time Series Forecasting]
+    N14([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Business User Training on Analytics
+        nest0_0([Machine Learning Integration])
+        nest0_1[Healthcare Data Analysis]
+        nest0_2([Supply Chain Analytics])
+        nest0_3[/Data Transformation/]
+    end
+    subgraph Data Warehouse Design
+        nest1_0[Customer Analytics]
+        nest1_1[Operational Efficiency Metrics]
+        nest1_2[Statistical Modeling]
+        nest1_3[/Data Security Best Practices/]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> |optimizes| N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> |monitors| N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 --> N13
+    N13 -.-> N14
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 --> nest0_3
+    N2 -.-> nest0_0
+    nest0_3 --> N5
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    nest1_2 -.-> nest1_3
+    N9 --> nest1_0
+    nest1_3 -.-> N4
+    N5 --> S0
+    S0 --> N9
+    S0 --> N14
+    S0 --> N11
+    N10 -.-> S1
+    S1 -.-> N14
+    S1 --> N12
+    S1 -.-> N13
+    N0 -.-> M0
+    N5 --> M0
+    N4 -.-> M0
+    M0 --> N7
+    style N0 fill:#DFE7EB,stroke:#B0C5CD
+    style N1 fill:#ECEFF1,stroke:#90A4AE
+    style N2 fill:#FAEBF3,stroke:#F7BEE0
+    style N3 fill:#FAEBF3,stroke:#F7BEE0
+    style N4 fill:#FAEBF3,stroke:#F7BEE0
+    style N5 fill:#FAEBF3,stroke:#F7BEE0
+    style N6 fill:#DFE7EB,stroke:#B0C5CD
+    style N7 fill:#DFE7EB,stroke:#B0C5CD
+    style N8 fill:#DFE7EB,stroke:#B0C5CD
+    style N9 fill:#FAEBF3,stroke:#F7BEE0
+    style N10 fill:#ECEFF1,stroke:#90A4AE
+    style N11 fill:#DFE7EB,stroke:#B0C5CD
+    style N12 fill:#DFE7EB,stroke:#B0C5CD
+    style N13 fill:#DFE7EB,stroke:#B0C5CD
+    style N14 fill:#DFE7EB,stroke:#B0C5CD
+    style S0 fill:#ECEFF1,stroke:#90A4AE
+    style S1 fill:#ECEFF1,stroke:#90A4AE
+    style M0 fill:#DFE7EB,stroke:#B0C5CD
+    style nest0_0 fill:#DFE7EB,stroke:#B0C5CD
+    style nest0_1 fill:#DFE7EB,stroke:#B0C5CD
+    style nest0_2 fill:#DFE7EB,stroke:#B0C5CD
+    style nest0_3 fill:#ECEFF1,stroke:#90A4AE
+    style nest1_0 fill:#FAEBF3,stroke:#F7BEE0
+    style nest1_1 fill:#ECEFF1,stroke:#90A4AE
+    style nest1_2 fill:#DFE7EB,stroke:#B0C5CD
+    style nest1_3 fill:#FAEBF3,stroke:#F7BEE0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_301.txt b/test/mermaid/scanned_hard/mermaid_301.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cedc9b28f7148a9028d6d02c30b0815ec686c5a3
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_301.txt
@@ -0,0 +1,41 @@
+<A or B Testing Analysis, connectedTo, Natural Language Processing for Data>
+<Big Data Processing, connectedTo, Data Cleaning>
+<Big Data Processing, connectedTo, Natural Language Processing for Data>
+<Customer Analytics, connectedTo, Operational Efficiency Metrics>
+<Customer Analytics, partOf, Data Warehouse Design>
+<Data Cleaning, connectedTo, Prescriptive Analytics>
+<Data Governance, connectedTo, A or B Testing Analysis>
+<Data Governance, connectedTo, Natural Language Processing for Data>
+<Data Governance, connectedTo, Predictive Analytics>
+<Data Governance, connectedTo, Web Analytics>
+<Data Governance, connectedTo, end>
+<Data Pipeline Development, connectedTo, Time Series Forecasting>
+<Data Quality Assurance, connectedTo, Predictive Analytics>
+<Data Security Best Practices, connectedTo, Text Analytics>
+<Data Security Best Practices, partOf, Data Warehouse Design>
+<Data Transformation, connectedTo, Data Governance>
+<Data Transformation, partOf, Business User Training on Analytics>
+<Data Visualization, connectedTo, Data Pipeline Development>
+<Data Visualization, connectedTo, Time Series Forecasting>
+<Data Visualization, connectedTo, Web Analytics>
+<Data Visualization, connectedTo, end>
+<Exploratory Data Analysis, optimizes, Text Analytics>
+<Healthcare Data Analysis, connectedTo, Supply Chain Analytics>
+<Healthcare Data Analysis, partOf, Business User Training on Analytics>
+<Machine Learning Integration, connectedTo, Healthcare Data Analysis>
+<Machine Learning Integration, partOf, Business User Training on Analytics>
+<Natural Language Processing for Data, connectedTo, Data Quality Assurance>
+<Operational Efficiency Metrics, connectedTo, Statistical Modeling>
+<Operational Efficiency Metrics, partOf, Data Warehouse Design>
+<Predictive Analytics, connectedTo, Customer Analytics>
+<Predictive Analytics, monitors, Data Visualization>
+<Prescriptive Analytics, connectedTo, Exploratory Data Analysis>
+<Prescriptive Analytics, connectedTo, Machine Learning Integration>
+<Statistical Modeling, connectedTo, Data Security Best Practices>
+<Statistical Modeling, partOf, Data Warehouse Design>
+<Supply Chain Analytics, connectedTo, Data Transformation>
+<Supply Chain Analytics, partOf, Business User Training on Analytics>
+<Text Analytics, connectedTo, Data Governance>
+<Text Analytics, connectedTo, Natural Language Processing for Data>
+<Time Series Forecasting, connectedTo, end>
+<Web Analytics, connectedTo, Data Pipeline Development>
diff --git a/test/mermaid/scanned_hard/mermaid_302.mmd b/test/mermaid/scanned_hard/mermaid_302.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..edd5e79bc60e26f13537626af5079f5b7fb5f282
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_302.mmd
@@ -0,0 +1,98 @@
+graph BT
+    N0([start])
+    N1[[HR Analytics Dashboards]]
+    N2[Master Data Management]
+    N3(Embedded Analytics)
+    N4[/User Training and Support/]
+    N5(Data Lineage Tracking)
+    N6([Strategic Planning Support])
+    N7(Sales Forecasting)
+    N8[/Actionable Insights Generation/]
+    N9(KPI Definition)
+    N10[Data Governance Policies]
+    S1(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Report Automation
+        nest0_0(Data Warehousing)
+        nest0_1[Financial Performance Reporting]
+    end
+    subgraph Data Security in BI
+        nest1_0[Self_Service BI Tools]
+        nest1_1[/Real_time BI Dashboards/]
+        nest1_2[BI Platform Administration]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    nest0_0 -.-> nest0_1
+    N9 --> nest0_0
+    nest0_1 -.-> N7
+    nest1_0 --> nest1_1
+    nest1_1 --> nest1_2
+    N2 --> nest1_0
+    nest1_2 -.-> N1
+    N3 --> S1
+    S1 -.-> N5
+    S1 --> N6
+    N2 -.-> M1
+    N1 -.-> |complies| M1
+    N0 -.-> M1
+    M1 -.-> N4
+    N6 --> M2
+    N2 --> M2
+    M2 -.-> N8
+    style N0 fill:#BBDEFB,stroke:#2196F3
+    style N1 fill:#BBDEFB,stroke:#2196F3
+    style N2 fill:#FCE4EC,stroke:#E91E63
+    style N3 fill:#BBDEFB,stroke:#2196F3
+    style N4 fill:#BBDEFB,stroke:#2196F3
+    style N5 fill:#E0F7FA,stroke:#00BCD4
+    style N6 fill:#FCE4EC,stroke:#E91E63
+    style N7 fill:#E0F7FA,stroke:#00BCD4
+    style N8 fill:#FCE4EC,stroke:#E91E63
+    style N9 fill:#E0F7FA,stroke:#00BCD4
+    style N10 fill:#BBDEFB,stroke:#2196F3
+    style S1 fill:#FCE4EC,stroke:#E91E63
+    style M1 fill:#E0F7FA,stroke:#00BCD4
+    style M2 fill:#FCE4EC,stroke:#E91E63
+    style nest0_0 fill:#BBDEFB,stroke:#2196F3
+    style nest0_1 fill:#E0F7FA,stroke:#00BCD4
+    style nest1_0 fill:#E0F7FA,stroke:#00BCD4
+    style nest1_1 fill:#BBDEFB,stroke:#2196F3
+    style nest1_2 fill:#FCE4EC,stroke:#E91E63
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#2196F3,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_303.mmd b/test/mermaid/scanned_hard/mermaid_303.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1b286cdda495614a7fb7fb31659abfbcb62a24e2
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_303.mmd
@@ -0,0 +1,119 @@
+graph RL
+    N0([start])
+    N1[/Partnership Marketing/]
+    N2[/Brand Strategy Development/]
+    N3{A or B Testing for Marketing}
+    N4{Product Launch Strategy}
+    N5[Marketing Budget Allocation]
+    N6([Promotional Campaigns])
+    N7([Customer Segmentation])
+    N8{Conversion Rate Optimization}
+    N9(Event Marketing)
+    N10[Website Design and Optimization]
+    N11{Search Engine Optimization}
+    N12[Telemarketing]
+    N13([Social Media Marketing])
+    N14[Market Research]
+    N15([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Public Relations
+        nest0_0[Search Engine Marketing]
+        nest0_1(Experiential Marketing)
+        nest0_2[/Remarketing Campaigns/]
+        nest0_3[[Brand Reputation Management]]
+    end
+    subgraph Campaign Performance Tracking
+        nest1_0[Content Marketing]
+        nest1_1[Target Audience Identification]
+        nest1_2[Video Marketing]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    N13 --> N14
+    N14 -.-> N15
+    nest0_0 --> |no| nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N9 -.-> nest0_0
+    nest0_3 --> N11
+    nest1_0 --> nest1_1
+    nest1_1 --> nest1_2
+    N14 --> nest1_0
+    nest1_2 --> |yes| N15
+    N1 --> S0
+    S0 --> N14
+    S0 --> N6
+    N1 -.-> S1
+    S1 --> N7
+    S1 -.-> N3
+    N0 -.-> M0
+    N3 --> |yes| M0
+    N4 -.-> M0
+    M0 -.-> N6
+    N0 --> M1
+    N1 -.-> M1
+    M1 -.-> N3
+    N4 --> M2
+    N3 --> M2
+    M2 -.-> N6
+    style S0 fill:#D6D9F0,stroke:#9FA9E1
+    style S1 fill:#C8E6C9,stroke:#388E3C
+    style M0 fill:#D6D9F0,stroke:#9FA9E1
+    style M1 fill:#D6D9F0,stroke:#9FA9E1
+    style M2 fill:#C8E6C9,stroke:#388E3C
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_303.txt b/test/mermaid/scanned_hard/mermaid_303.txt
new file mode 100644
index 0000000000000000000000000000000000000000..42fb3c8d42e827c0c04eb2f0d4474bcedc1e3f03
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_303.txt
@@ -0,0 +1,40 @@
+<A or B Testing for Marketing, connectedTo, Product Launch Strategy>
+<A or B Testing for Marketing, connectedTo, Promotional Campaigns>
+<A or B Testing for Marketing, yes, Promotional Campaigns>
+<Brand Reputation Management, connectedTo, Search Engine Optimization>
+<Brand Reputation Management, partOf, Public Relations>
+<Brand Strategy Development, connectedTo, A or B Testing for Marketing>
+<Content Marketing, connectedTo, Target Audience Identification>
+<Content Marketing, partOf, Campaign Performance Tracking>
+<Conversion Rate Optimization, connectedTo, Event Marketing>
+<Customer Segmentation, connectedTo, Conversion Rate Optimization>
+<Event Marketing, connectedTo, Search Engine Marketing>
+<Event Marketing, connectedTo, Website Design and Optimization>
+<Experiential Marketing, connectedTo, Remarketing Campaigns>
+<Experiential Marketing, partOf, Public Relations>
+<Market Research, connectedTo, Content Marketing>
+<Market Research, connectedTo, end>
+<Marketing Budget Allocation, connectedTo, Promotional Campaigns>
+<Partnership Marketing, connectedTo, A or B Testing for Marketing>
+<Partnership Marketing, connectedTo, Brand Strategy Development>
+<Partnership Marketing, connectedTo, Customer Segmentation>
+<Partnership Marketing, connectedTo, Market Research>
+<Partnership Marketing, connectedTo, Promotional Campaigns>
+<Product Launch Strategy, connectedTo, Marketing Budget Allocation>
+<Product Launch Strategy, connectedTo, Promotional Campaigns>
+<Promotional Campaigns, connectedTo, Customer Segmentation>
+<Remarketing Campaigns, connectedTo, Brand Reputation Management>
+<Remarketing Campaigns, partOf, Public Relations>
+<Search Engine Marketing, no, Experiential Marketing>
+<Search Engine Marketing, partOf, Public Relations>
+<Search Engine Optimization, connectedTo, Telemarketing>
+<Social Media Marketing, connectedTo, Market Research>
+<Target Audience Identification, connectedTo, Video Marketing>
+<Target Audience Identification, partOf, Campaign Performance Tracking>
+<Telemarketing, connectedTo, Social Media Marketing>
+<Video Marketing, partOf, Campaign Performance Tracking>
+<Video Marketing, yes, end>
+<Website Design and Optimization, connectedTo, Search Engine Optimization>
+<start, connectedTo, A or B Testing for Marketing>
+<start, connectedTo, Partnership Marketing>
+<start, connectedTo, Promotional Campaigns>
diff --git a/test/mermaid/scanned_hard/mermaid_305.mmd b/test/mermaid/scanned_hard/mermaid_305.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f8e58f20734f8de9b0a7f14f00759e8b28fd37ba
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_305.mmd
@@ -0,0 +1,158 @@
+graph LR
+    N0([start])
+    N1[Decentralized Applications Development]
+    N2(Sharding Implementation)
+    N3{Smart Contract Development}
+    N4[Blockchain Node Operation]
+    N5([Transaction Verification])
+    N6[Real Estate Tokenization]
+    N7[/Mining Operations/]
+    N8[Decentralized Network Design]
+    N9([Digital Identity Management])
+    N10([Enterprise Blockchain Solutions])
+    N11([Decentralized Finance Protocols])
+    N12(Security Auditing for Blockchains)
+    N13{Initial Coin Offerings}
+    N14(Interoperability Solutions)
+    N15([Identity Verification on Blockchain])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Wallet Management
+        nest0_0[(Energy Trading on Blockchain)]
+        nest0_1[(Cross_Chain Bridges)]
+        nest0_2[[Consortium Blockchain Setup]]
+        nest0_3([Cryptographic Hashing])
+    end
+    subgraph Distributed Ledger Technology
+        nest1_0[Zero_Knowledge Proofs]
+        nest1_1(Gaming on Blockchain)
+        nest1_2(Healthcare Data Management)
+        nest1_3[Tokenomics Design]
+    end
+    N0 -.-> |ensures compliance| N1
+    N1 -.-> |ensures interoperability| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 --> N10
+    N10 --> N11
+    N11 --> N12
+    N12 --> N13
+    N13 --> N14
+    N14 --> N15
+    nest0_0 --> |audits code| nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N1 -.-> nest0_0
+    nest0_3 --> N15
+    nest1_0 --> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 --> nest1_3
+    N6 --> nest1_0
+    nest1_3 --> N1
+    N3 -.-> S0
+    S0 -.-> N10
+    S0 -.-> N12
+    N0 -.-> S1
+    S1 --> N9
+    S1 --> N6
+    S1 --> N2
+    N9 -.-> S2
+    S2 -.-> N12
+    S2 -.-> N15
+    N1 -.-> M0
+    N0 --> M0
+    M0 --> N3
+    N1 -.-> M1
+    N0 -.-> M1
+    N4 --> M1
+    M1 -.-> N6
+    N0 -.-> M2
+    N3 --> M2
+    N2 -.-> M2
+    M2 -.-> N5
+    style N0 fill:#F8BBD0,stroke:#E91E63
+    style N1 fill:#E8F0EA,stroke:#92C79A
+    style N2 fill:#FFE88D,stroke:#FFDA4E
+    style N3 fill:#FFE88D,stroke:#FFDA4E
+    style N4 fill:#FFE88D,stroke:#FFDA4E
+    style N5 fill:#FFE88D,stroke:#FFDA4E
+    style N6 fill:#F8BBD0,stroke:#E91E63
+    style N7 fill:#E8F0EA,stroke:#92C79A
+    style N8 fill:#FFE88D,stroke:#FFDA4E
+    style N9 fill:#E8F0EA,stroke:#92C79A
+    style N10 fill:#E8F0EA,stroke:#92C79A
+    style N11 fill:#E8F0EA,stroke:#92C79A
+    style N12 fill:#E8F0EA,stroke:#92C79A
+    style N13 fill:#E8F0EA,stroke:#92C79A
+    style N14 fill:#E8F0EA,stroke:#92C79A
+    style N15 fill:#E8F0EA,stroke:#92C79A
+    style S0 fill:#F8BBD0,stroke:#E91E63
+    style S1 fill:#F8BBD0,stroke:#E91E63
+    style S2 fill:#FFE88D,stroke:#FFDA4E
+    style M0 fill:#E8F0EA,stroke:#92C79A
+    style M1 fill:#E8F0EA,stroke:#92C79A
+    style M2 fill:#E8F0EA,stroke:#92C79A
+    style nest0_0 fill:#F8BBD0,stroke:#E91E63
+    style nest0_1 fill:#F8BBD0,stroke:#E91E63
+    style nest0_2 fill:#FFE88D,stroke:#FFDA4E
+    style nest0_3 fill:#FFE88D,stroke:#FFDA4E
+    style nest1_0 fill:#E8F0EA,stroke:#92C79A
+    style nest1_1 fill:#FFE88D,stroke:#FFDA4E
+    style nest1_2 fill:#E8F0EA,stroke:#92C79A
+    style nest1_3 fill:#F8BBD0,stroke:#E91E63
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 44 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 45 stroke:#E91E63,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_306.txt b/test/mermaid/scanned_hard/mermaid_306.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2f82c64457fb01930f1fd57ce1c3f71dd2c56f00
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_306.txt
@@ -0,0 +1,33 @@
+<Airdrop Campaigns, connectedTo, Initial Exchange Offering>
+<Airdrop Campaigns, connectedTo, Security Audits>
+<Coin Creation, builds Web3 applications, Interoperability Solutions>
+<Coin Creation, connectedTo, Security Audits>
+<Community Building, connectedTo, Wallet Development>
+<Community Building, partOf, Decentralized Exchange Operation>
+<Cross_chain Swaps, connectedTo, Fraud Prevention>
+<Custodial Services, connectedTo, Community Building>
+<Custodial Services, partOf, Decentralized Exchange Operation>
+<Fraud Prevention, connectedTo, Security Audits>
+<Fraud Prevention, connectedTo, Smart Contract Auditing>
+<Initial Exchange Offering, connectedTo, Cross_chain Swaps>
+<Initial Exchange Offering, connectedTo, Custodial Services>
+<Initial Exchange Offering, connectedTo, Security Audits>
+<Interoperability Solutions, connectedTo, Airdrop Campaigns>
+<Interoperability Solutions, connectedTo, Initial Exchange Offering>
+<Interoperability Solutions, develops exchanges, Security Audits>
+<Market Analysis, connectedTo, Fraud Prevention>
+<Market Analysis, partOf, NFT Marketplace Development>
+<Security Audits, connectedTo, Lending and Borrowing Protocols>
+<Smart Contract Auditing, connectedTo, Tax Reporting for Crypto>
+<Smart Contract Auditing, partOf, NFT Marketplace Development>
+<Tax Reporting for Crypto, connectedTo, Market Analysis>
+<Tax Reporting for Crypto, partOf, NFT Marketplace Development>
+<Token Generation Event, connectedTo, Interoperability Solutions>
+<Token Generation Event, partOf, Decentralized Exchange Operation>
+<Wallet Development, connectedTo, Token Generation Event>
+<Wallet Development, partOf, Decentralized Exchange Operation>
+<start, connectedTo, Coin Creation>
+<start, connectedTo, Cross_chain Swaps>
+<start, connectedTo, Fraud Prevention>
+<start, connectedTo, Initial Exchange Offering>
+<start, connectedTo, Interoperability Solutions>
diff --git a/test/mermaid/scanned_hard/mermaid_308.txt b/test/mermaid/scanned_hard/mermaid_308.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a5e5fcc5e7ccf44de44a0a5a01874e4a0f28e625
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_308.txt
@@ -0,0 +1,37 @@
+<API Development for IoT, builds smart cities, Network Protocol Selection>
+<API Development for IoT, connectedTo, Energy Management Systems>
+<Asset Tracking, connectedTo, IoT Device Certification>
+<Asset Tracking, partOf, Wearable Technology>
+<Connected Vehicles, connectedTo, Energy Management Systems>
+<Connected Vehicles, partOf, Supply Chain Optimization>
+<Connectivity Management, connectedTo, Interoperability Standards>
+<Connectivity Management, connectedTo, Over_the_Air Updates>
+<Data Analysis in Cloud, connectedTo, API Development for IoT>
+<Data Analysis in Cloud, connectedTo, Energy Management Systems>
+<Data Collection, connectedTo, Asset Tracking>
+<Data Collection, partOf, Wearable Technology>
+<Data Privacy in IoT, connectedTo, Connected Vehicles>
+<Data Privacy in IoT, partOf, Supply Chain Optimization>
+<Edge Computing for IoT, connectedTo, Connectivity Management>
+<Edge Computing for IoT, connectedTo, Interoperability Standards>
+<Edge Computing for IoT, connectedTo, Over_the_Air Updates>
+<Energy Management Systems, connects endpoints, Over_the_Air Updates>
+<Environmental Monitoring, connectedTo, Energy Management Systems>
+<Firmware Updates, connectedTo, Data Collection>
+<Firmware Updates, connectedTo, Energy Management Systems>
+<Firmware Updates, connectedTo, Environmental Monitoring>
+<Firmware Updates, connectedTo, Over_the_Air Updates>
+<Gateway Development, connectedTo, Data Privacy in IoT>
+<Gateway Development, connectedTo, Energy Management Systems>
+<Gateway Development, secures devices, Edge Computing for IoT>
+<Interoperability Standards, connectedTo, Data Analysis in Cloud>
+<Interoperability Standards, connectedTo, Environmental Monitoring>
+<Interoperability Standards, connectedTo, Network Protocol Selection>
+<IoT Device Certification, connectedTo, Data Analysis in Cloud>
+<IoT Device Certification, partOf, Wearable Technology>
+<Network Protocol Selection, connectedTo, Firmware Updates>
+<start, connectedTo, API Development for IoT>
+<start, connectedTo, Gateway Development>
+<start, connectedTo, Interoperability Standards>
+<start, connectedTo, Network Protocol Selection>
+<start, controls devices, Energy Management Systems>
diff --git a/test/mermaid/scanned_hard/mermaid_31.mmd b/test/mermaid/scanned_hard/mermaid_31.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..9b62125c9f0b112fc883a692459bb1e9d01d9ad6
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_31.mmd
@@ -0,0 +1,38 @@
+graph BT
+    N0([start])
+    N1(Talent Scouting)
+    N2[(Player Transfer)]
+    N3(Youth Development Programs)
+    N4([Team Management])
+    N5{Stadium Operations}
+    N6[Media Rights Negotiation]
+    N7[[Accessibility in Sports Venues]]
+    N8([Event Broadcasting])
+    N9[[Sports Betting Regulation]]
+    N10{Anti_Doping Control}
+    N11([end])
+    N0 --> |yes| N1
+    N1 --> |yes| N2
+    N2 -.-> N3
+    N3 --> |no| N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> |yes| N7
+    N7 --> |yes| N8
+    N8 -.-> N9
+    N9 -.-> |yes| N10
+    N10 --> |yes| N11
+    N1 --> N0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFCC7A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_312.txt b/test/mermaid/scanned_hard/mermaid_312.txt
new file mode 100644
index 0000000000000000000000000000000000000000..40cf14e28566cbc67e99b81613268185d6ea4ffb
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_312.txt
@@ -0,0 +1,35 @@
+<Automated Deployment, connectedTo, Automated Rollbacks>
+<Automated Deployment, connectedTo, Infrastructure as Code>
+<Automated Deployment, connectedTo, Secrets Management>
+<Automated Rollbacks, connectedTo, Code Quality Checks>
+<Automated Rollbacks, connectedTo, Collaboration Tools>
+<Automated Rollbacks, connectedTo, Container Orchestration>
+<Automated Rollbacks, gathers feedback, Secrets Management>
+<ChatOps, connectedTo, Security in DevOps>
+<ChatOps, partOf, Feature Flags>
+<Cloud Native Development, connectedTo, Automated Deployment>
+<Cloud Native Development, connectedTo, Collaboration Tools>
+<Cloud Native Development, connectedTo, Rollback Strategies>
+<Code Quality Checks, connectedTo, Observability Implementation>
+<Code Quality Checks, connectedTo, Secrets Management>
+<Code Quality Checks, fosters cross_functional teams, Collaboration Tools>
+<Collaboration Tools, connectedTo, Environment Management>
+<Container Orchestration, connectedTo, Code Quality Checks>
+<Continuous Delivery, connectedTo, Infrastructure Provisioning>
+<Continuous Delivery, partOf, Version Control>
+<Environment Management, connectedTo, Secrets Management>
+<Infrastructure Provisioning, automates operations, Pipeline Automation>
+<Infrastructure Provisioning, partOf, Version Control>
+<Infrastructure as Code, connectedTo, ChatOps>
+<Infrastructure as Code, partOf, Feature Flags>
+<Observability Implementation, connectedTo, Continuous Delivery>
+<Observability Implementation, partOf, Version Control>
+<Pipeline Automation, connectedTo, Collaboration Tools>
+<Pipeline Automation, partOf, Version Control>
+<Rollback Strategies, connectedTo, Serverless Deployment>
+<Security in DevOps, connectedTo, Secrets Management>
+<Security in DevOps, partOf, Feature Flags>
+<Serverless Deployment, conducts post_mortems, Environment Management>
+<Serverless Deployment, connectedTo, Automated Deployment>
+<Serverless Deployment, connectedTo, Automated Rollbacks>
+<Serverless Deployment, implements CI, Secrets Management>
diff --git a/test/mermaid/scanned_hard/mermaid_314.txt b/test/mermaid/scanned_hard/mermaid_314.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8ac4261b51546b076be2beb9a0cdb8d515253039
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_314.txt
@@ -0,0 +1,39 @@
+<Assembly Line Optimization, connectedTo, Manufacturing Process Planning>
+<Assembly Line Optimization, partOf, Cost Optimization>
+<Circuit Design, connectedTo, Electromagnetic Compatibility Testing>
+<Circuit Design, connectedTo, Environmental Testing>
+<Circuit Design, connectedTo, Schematic Capture>
+<Circuit Design, connectedTo, Thermal Management>
+<Circuit Design, no, Electromagnetic Compatibility Testing>
+<Circuit Design, yes, Assembly Line Optimization>
+<Component Selection, connectedTo, PCB Layout>
+<Electromagnetic Compatibility Testing, connectedTo, Quality Control>
+<Environmental Testing, connectedTo, Troubleshooting and Debugging>
+<Failure Analysis, connectedTo, Circuit Design>
+<Failure Analysis, yes, Thermal Management>
+<High_Speed Digital Design, connectedTo, Environmental Testing>
+<High_Speed Digital Design, partOf, Actuator Control>
+<Intellectual Property Protection, connectedTo, Low_Power Design>
+<Intellectual Property Protection, yes, Component Selection>
+<Low_Power Design, connectedTo, Intellectual Property Protection>
+<Manufacturing Process Planning, connectedTo, Mechanical Design Integration>
+<Manufacturing Process Planning, partOf, Cost Optimization>
+<Mechanical Design Integration, connectedTo, Reverse Engineering>
+<Mechanical Design Integration, partOf, Cost Optimization>
+<Microcontroller Programming, connectedTo, RF Circuit Design>
+<PCB Layout, connectedTo, Environmental Testing>
+<Power Integrity Analysis, yes, Prototyping>
+<Prototyping, connectedTo, Signal Integrity Analysis>
+<Quality Control, connectedTo, Low_Power Design>
+<RF Circuit Design, connectedTo, Electromagnetic Compatibility Testing>
+<Regulatory Compliance, connectedTo, High_Speed Digital Design>
+<Regulatory Compliance, partOf, Actuator Control>
+<Reverse Engineering, connectedTo, Power Integrity Analysis>
+<Schematic Capture, connectedTo, end>
+<Signal Integrity Analysis, connectedTo, Regulatory Compliance>
+<Signal Integrity Analysis, connectedTo, Schematic Capture>
+<Thermal Management, connectedTo, Microcontroller Programming>
+<Troubleshooting and Debugging, connectedTo, Reverse Engineering>
+<start, connectedTo, Electromagnetic Compatibility Testing>
+<start, connectedTo, Failure Analysis>
+<start, connectedTo, Thermal Management>
diff --git a/test/mermaid/scanned_hard/mermaid_316.txt b/test/mermaid/scanned_hard/mermaid_316.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2abb043e9427d5c0b2e066ff0f9e2458a9ed5dae
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_316.txt
@@ -0,0 +1,42 @@
+<Brand Voice Development, connectedTo, Hashtag Research>
+<Brand Voice Development, connectedTo, Reels or Short Video Production>
+<Campaign Management, connectedTo, Content Creation>
+<Campaign Management, partOf, Influencer Collaboration>
+<Competitor Analysis, connectedTo, Hashtag Research>
+<Competitor Analysis, connectedTo, Story Format Content Creation>
+<Content Creation, connectedTo, Content Strategy>
+<Content Creation, partOf, Influencer Collaboration>
+<Content Strategy, connectedTo, Reach and Impressions Tracking>
+<Content Strategy, partOf, Influencer Collaboration>
+<Crisis Communication Plan, connectedTo, Polls and Quizzes Creation>
+<Crisis Communication Plan, partOf, Community Management>
+<Ethical Use of Social Media, connectedTo, Brand Voice Development>
+<Ethical Use of Social Media, connectedTo, Hashtag Research>
+<Follower Growth Monitoring, connectedTo, Ethical Use of Social Media>
+<Follower Growth Monitoring, connectedTo, Hashtag Research>
+<Follower Growth Monitoring, connectedTo, Social Listening>
+<Hashtag Research, connectedTo, Customer Service on Social Media>
+<Hashtag Research, connectedTo, Partnership Management on Social>
+<Hashtag Research, connectedTo, Social Selling>
+<Paid Social Media Advertising, connectedTo, Competitor Analysis>
+<Partnership Management on Social, connectedTo, Social Selling>
+<Polls and Quizzes Creation, connectedTo, Brand Voice Development>
+<Polls and Quizzes Creation, partOf, Community Management>
+<Reach and Impressions Tracking, connectedTo, Follower Growth Monitoring>
+<Reach and Impressions Tracking, partOf, Influencer Collaboration>
+<Reels or Short Video Production, connectedTo, Campaign Management>
+<Reels or Short Video Production, connectedTo, Hashtag Research>
+<Reels or Short Video Production, connectedTo, Partnership Management on Social>
+<Reels or Short Video Production, monitors trends, Customer Service on Social Media>
+<Social Listening, connectedTo, Ethical Use of Social Media>
+<Social Listening, connectedTo, Trend Monitoring>
+<Social Selling, connectedTo, Customer Service on Social Media>
+<Story Format Content Creation, connectedTo, Follower Growth Monitoring>
+<Story Format Content Creation, forms partnerships, Hashtag Research>
+<Trend Monitoring, connectedTo, Crisis Communication Plan>
+<Trend Monitoring, partOf, Community Management>
+<start, connectedTo, Ethical Use of Social Media>
+<start, connectedTo, Follower Growth Monitoring>
+<start, connectedTo, Paid Social Media Advertising>
+<start, connectedTo, Social Selling>
+<start, connectedTo, Story Format Content Creation>
diff --git a/test/mermaid/scanned_hard/mermaid_32.mmd b/test/mermaid/scanned_hard/mermaid_32.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..183552c56299029ba2aacc0cf5143710c8d83605
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_32.mmd
@@ -0,0 +1,38 @@
+graph LR
+    N0([start])
+    N1[Customer Loyalty Programs]
+    N2[Custom Apparel Design]
+    N3[Fabric Innovation]
+    N4[/Sustainable Fashion Practices/]
+    N5{E_commerce Management}
+    N6(Design Sketching)
+    N7[Product Photography]
+    N8([end])
+    N0 --> |stylizes| N1
+    N1 -.-> |exhibits| N2
+    N2 -.-> |manages| N3
+    N3 -.-> |sources| N4
+    N4 --> |sketches| N5
+    N5 --> |forecasts| N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N5 -.-> N0
+    style N0 fill:#ECCFF5,stroke:#CD8FF2
+    style N1 fill:#F1F8E9,stroke:#388E3C
+    style N2 fill:#C2E8E6,stroke:#61CAC3
+    style N3 fill:#F1F8E9,stroke:#388E3C
+    style N4 fill:#C2E8E6,stroke:#61CAC3
+    style N5 fill:#C2E8E6,stroke:#61CAC3
+    style N6 fill:#C2E8E6,stroke:#61CAC3
+    style N7 fill:#C2E8E6,stroke:#61CAC3
+    style N8 fill:#F1F8E9,stroke:#388E3C
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_32.txt b/test/mermaid/scanned_hard/mermaid_32.txt
new file mode 100644
index 0000000000000000000000000000000000000000..feed5ed19fb7356664d2960e779597655e48ea79
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_32.txt
@@ -0,0 +1,9 @@
+<Custom Apparel Design, manages, Fabric Innovation>
+<Customer Loyalty Programs, exhibits, Custom Apparel Design>
+<Design Sketching, connectedTo, Product Photography>
+<E_commerce Management, connectedTo, start>
+<E_commerce Management, forecasts, Design Sketching>
+<Fabric Innovation, sources, Sustainable Fashion Practices>
+<Product Photography, connectedTo, end>
+<Sustainable Fashion Practices, sketches, E_commerce Management>
+<start, stylizes, Customer Loyalty Programs>
diff --git a/test/mermaid/scanned_hard/mermaid_320.mmd b/test/mermaid/scanned_hard/mermaid_320.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..4c6ac755f2c797b845ecf1357b0da089544f81e0
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_320.mmd
@@ -0,0 +1,132 @@
+graph LR
+    N0([Completion Rate Optimization])
+    N1(Career Pathway Mapping)
+    N2[Translation and Localization]
+    N3[(Forum Moderation)]
+    N4[(Discussion Forum Management)]
+    N5[[Learner Support]]
+    N6[Engagement Metrics Tracking]
+    N7[Micro_credential Stacking]
+    N8[Instructor Recruitment for MOOCs]
+    N9[[Video Lecture Production]]
+    N10[/Learner Analytics/]
+    N11(Certificate of Completion Issuance)
+    N12[Course Audit Options]
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Employer Recognition
+        nest0_0[Instructor_Led Sessions]
+        nest0_1{Self_Paced Learning Tracks}
+        nest0_2(Assessment Creation)
+    end
+    subgraph Marketing to Global Audience
+        nest1_0[/Gamification for Engagement/]
+        nest1_1[[Course Retirement Planning]]
+        nest1_2[Technical Infrastructure for Scale]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> |provides forums| N5
+    N5 --> N6
+    N6 --> |manages instructors| N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 --> N12
+    nest0_0 --> nest0_1
+    nest0_1 --> |offers assignments| nest0_2
+    N8 --> nest0_0
+    nest0_2 -.-> N5
+    nest1_0 --> nest1_1
+    nest1_1 -.-> nest1_2
+    N6 -.-> nest1_0
+    nest1_2 --> N6
+    N5 -.-> S0
+    S0 --> N7
+    S0 --> N12
+    S0 -.-> N10
+    S0 --> N11
+    N2 --> S1
+    S1 --> N12
+    S1 -.-> |hosts platforms| N7
+    S1 -.-> N9
+    N0 --> M0
+    N1 -.-> M0
+    M0 -.-> N3
+    N5 --> M1
+    N4 -.-> M1
+    N6 --> M1
+    M1 -.-> N10
+    N0 --> M2
+    N4 -.-> M2
+    M2 --> N11
+    style N0 fill:#FFF8E1,stroke:#FFD54F
+    style N1 fill:#FFF8E1,stroke:#FFD54F
+    style N2 fill:#B2EBF2,stroke:#00BCD4
+    style N3 fill:#C8E6C9,stroke:#4CAF50
+    style N4 fill:#B2EBF2,stroke:#00BCD4
+    style N5 fill:#C8E6C9,stroke:#4CAF50
+    style N6 fill:#C8E6C9,stroke:#4CAF50
+    style N7 fill:#FFF8E1,stroke:#FFD54F
+    style N8 fill:#FFF8E1,stroke:#FFD54F
+    style N9 fill:#B2EBF2,stroke:#00BCD4
+    style N10 fill:#C8E6C9,stroke:#4CAF50
+    style N11 fill:#B2EBF2,stroke:#00BCD4
+    style N12 fill:#B2EBF2,stroke:#00BCD4
+    style S0 fill:#C8E6C9,stroke:#4CAF50
+    style S1 fill:#C8E6C9,stroke:#4CAF50
+    style M0 fill:#B2EBF2,stroke:#00BCD4
+    style M1 fill:#B2EBF2,stroke:#00BCD4
+    style M2 fill:#B2EBF2,stroke:#00BCD4
+    style nest0_0 fill:#FFF8E1,stroke:#FFD54F
+    style nest0_1 fill:#B2EBF2,stroke:#00BCD4
+    style nest0_2 fill:#FFF8E1,stroke:#FFD54F
+    style nest1_0 fill:#B2EBF2,stroke:#00BCD4
+    style nest1_1 fill:#B2EBF2,stroke:#00BCD4
+    style nest1_2 fill:#C8E6C9,stroke:#4CAF50
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_320.txt b/test/mermaid/scanned_hard/mermaid_320.txt
new file mode 100644
index 0000000000000000000000000000000000000000..11ffd3e62b1f36f3df1f45bfbc56ae526a3a0e33
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_320.txt
@@ -0,0 +1,39 @@
+<Assessment Creation, connectedTo, Learner Support>
+<Assessment Creation, partOf, Employer Recognition>
+<Career Pathway Mapping, connectedTo, Forum Moderation>
+<Career Pathway Mapping, connectedTo, Translation and Localization>
+<Certificate of Completion Issuance, connectedTo, Course Audit Options>
+<Completion Rate Optimization, connectedTo, Career Pathway Mapping>
+<Completion Rate Optimization, connectedTo, Certificate of Completion Issuance>
+<Completion Rate Optimization, connectedTo, Forum Moderation>
+<Course Retirement Planning, connectedTo, Technical Infrastructure for Scale>
+<Course Retirement Planning, partOf, Marketing to Global Audience>
+<Discussion Forum Management, connectedTo, Certificate of Completion Issuance>
+<Discussion Forum Management, connectedTo, Learner Analytics>
+<Discussion Forum Management, provides forums, Learner Support>
+<Engagement Metrics Tracking, connectedTo, Gamification for Engagement>
+<Engagement Metrics Tracking, connectedTo, Learner Analytics>
+<Engagement Metrics Tracking, manages instructors, Micro_credential Stacking>
+<Forum Moderation, connectedTo, Discussion Forum Management>
+<Gamification for Engagement, connectedTo, Course Retirement Planning>
+<Gamification for Engagement, partOf, Marketing to Global Audience>
+<Instructor Recruitment for MOOCs, connectedTo, Instructor_Led Sessions>
+<Instructor Recruitment for MOOCs, connectedTo, Video Lecture Production>
+<Instructor_Led Sessions, connectedTo, Self_Paced Learning Tracks>
+<Instructor_Led Sessions, partOf, Employer Recognition>
+<Learner Analytics, connectedTo, Certificate of Completion Issuance>
+<Learner Support, connectedTo, Certificate of Completion Issuance>
+<Learner Support, connectedTo, Course Audit Options>
+<Learner Support, connectedTo, Engagement Metrics Tracking>
+<Learner Support, connectedTo, Learner Analytics>
+<Learner Support, connectedTo, Micro_credential Stacking>
+<Micro_credential Stacking, connectedTo, Instructor Recruitment for MOOCs>
+<Self_Paced Learning Tracks, offers assignments, Assessment Creation>
+<Self_Paced Learning Tracks, partOf, Employer Recognition>
+<Technical Infrastructure for Scale, connectedTo, Engagement Metrics Tracking>
+<Technical Infrastructure for Scale, partOf, Marketing to Global Audience>
+<Translation and Localization, connectedTo, Course Audit Options>
+<Translation and Localization, connectedTo, Forum Moderation>
+<Translation and Localization, connectedTo, Video Lecture Production>
+<Translation and Localization, hosts platforms, Micro_credential Stacking>
+<Video Lecture Production, connectedTo, Learner Analytics>
diff --git a/test/mermaid/scanned_hard/mermaid_321.txt b/test/mermaid/scanned_hard/mermaid_321.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b3d083a83b2187f39d0cecca54e78f634247c187
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_321.txt
@@ -0,0 +1,35 @@
+<AI_Powered Tutoring, connectedTo, Professional Licensure Exam Prep>
+<College Entrance Exam Prep, connectedTo, AI_Powered Tutoring>
+<College Entrance Exam Prep, provides, Professional Licensure Exam Prep>
+<Critical Thinking Development, connectedTo, Exam Day Tips>
+<Critical Thinking Development, partOf, Question Bank Management>
+<English Proficiency Test Prep, connectedTo, Curriculum Development>
+<Exam Day Tips, connectedTo, Stress Management for Exams>
+<Exam Day Tips, partOf, Question Bank Management>
+<Flashcard Creation, automates, College Entrance Exam Prep>
+<Flashcard Creation, connectedTo, Tutoring Session>
+<Flashcard Creation, diagnoses, Professional Licensure Exam Prep>
+<Graduate School Exam Prep, connectedTo, Parent or Guardian Updates>
+<Parent or Guardian Updates, connectedTo, Science Concept Review>
+<Performance Feedback, connectedTo, AI_Powered Tutoring>
+<Performance Feedback, partOf, Personalized Study Plans>
+<Professional Licensure Exam Prep, connectedTo, Tutoring Session>
+<Science Concept Review, connectedTo, English Proficiency Test Prep>
+<Science Concept Review, connectedTo, Stress Management for Exams>
+<Science Concept Review, connectedTo, Study Group Facilitation>
+<Stress Management for Exams, connectedTo, Critical Thinking Development>
+<Stress Management for Exams, connectedTo, Subject Matter Review>
+<Student Progress Tracking, connectedTo, Curriculum Development>
+<Student Progress Tracking, connectedTo, Graduate School Exam Prep>
+<Student Progress Tracking, connectedTo, Science Concept Review>
+<Student Progress Tracking, connectedTo, Stress Management for Exams>
+<Student Progress Tracking, connectedTo, Subject Matter Review>
+<Student Progress Tracking, connectedTo, Virtual Proctoring>
+<Study Group Facilitation, connectedTo, Stress Management for Exams>
+<Subject Matter Review, connectedTo, English Proficiency Test Prep>
+<Test_Taking Strategies, connectedTo, Professional Licensure Exam Prep>
+<Test_Taking Strategies, connectedTo, Tutoring Session>
+<Test_Taking Strategies, improves, Flashcard Creation>
+<Tutoring Session, connectedTo, Student Progress Tracking>
+<Virtual Proctoring, connectedTo, Performance Feedback>
+<Virtual Proctoring, partOf, Personalized Study Plans>
diff --git a/test/mermaid/scanned_hard/mermaid_322.mmd b/test/mermaid/scanned_hard/mermaid_322.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d056ba3cdfab23860ccf46a34cd73c65bfcb9201
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_322.mmd
@@ -0,0 +1,104 @@
+graph TD
+    N0([Grammar Practice])
+    N1[/Contextual Learning/]
+    N2(Virtual Reality Language Environments)
+    N3{Instructor_Led Classes}
+    N4{Audio Lessons}
+    N5(Cultural Immersion)
+    N6[Curriculum Customization]
+    N7(Business Language Training)
+    N8{Translation Exercises}
+    N9[Role_Playing Scenarios]
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Language for Specific Purposes
+        nest0_0{Self_Study Modules}
+        nest0_1([Native Speaker Interaction])
+        nest0_2[Listening Comprehension]
+    end
+    subgraph Writing Exercises
+        nest1_0[(Language Exchange Programs)]
+        nest1_1{Progress Tracking}
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> |learns| N8
+    N8 -.-> |teaches| N9
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N6 -.-> nest0_0
+    nest0_2 -.-> N9
+    nest1_0 --> |adapts| nest1_1
+    N7 --> nest1_0
+    nest1_1 --> N8
+    N3 -.-> S0
+    S0 --> N8
+    S0 --> N5
+    N0 -.-> S1
+    S1 -.-> N4
+    S1 -.-> N7
+    S1 --> N9
+    N0 -.-> M1
+    N3 -.-> M1
+    M1 -.-> N6
+    N4 -.-> M2
+    N0 --> |pronounces| M2
+    N1 --> M2
+    M2 -.-> N8
+    style N0 fill:#B3E5FC,stroke:#03A9F4
+    style N1 fill:#C9F0F0,stroke:#4DD0E1
+    style N2 fill:#B3E5FC,stroke:#03A9F4
+    style N3 fill:#C9F0F0,stroke:#4DD0E1
+    style N4 fill:#F1F8E9,stroke:#388E3C
+    style N5 fill:#F1F8E9,stroke:#388E3C
+    style N6 fill:#C9F0F0,stroke:#4DD0E1
+    style N7 fill:#C9F0F0,stroke:#4DD0E1
+    style N8 fill:#F1F8E9,stroke:#388E3C
+    style N9 fill:#B3E5FC,stroke:#03A9F4
+    style S0 fill:#F1F8E9,stroke:#388E3C
+    style S1 fill:#F1F8E9,stroke:#388E3C
+    style M1 fill:#B3E5FC,stroke:#03A9F4
+    style M2 fill:#C9F0F0,stroke:#4DD0E1
+    style nest0_0 fill:#C9F0F0,stroke:#4DD0E1
+    style nest0_1 fill:#B3E5FC,stroke:#03A9F4
+    style nest0_2 fill:#C9F0F0,stroke:#4DD0E1
+    style nest1_0 fill:#B3E5FC,stroke:#03A9F4
+    style nest1_1 fill:#B3E5FC,stroke:#03A9F4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#388E3C,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_323.txt b/test/mermaid/scanned_hard/mermaid_323.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c2c03f4ce868be054c85d669cc47d300434f9fcd
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_323.txt
@@ -0,0 +1,41 @@
+<Advocacy for Mental Health, connectedTo, Stress Reduction Techniques>
+<Advocacy for Mental Health, connectedTo, Substance Abuse Counseling>
+<Art Therapy, connectedTo, Child & Adolescent Therapy>
+<Art Therapy, connectedTo, Music Therapy>
+<Art Therapy, connectedTo, Stress Reduction Techniques>
+<Art Therapy, connectedTo, end>
+<Child & Adolescent Therapy, connectedTo, Stress Reduction Techniques>
+<Cognitive Behavioral Therapy, connectedTo, Inpatient Treatment Coordination>
+<Cognitive Behavioral Therapy, partOf, Mental Health Education>
+<Coping Skill Development, connectedTo, end>
+<Coping Skill Development, no, Advocacy for Mental Health>
+<Counseling Services, connectedTo, Mindfulness Practice>
+<Counseling Services, partOf, Workplace Mental Health Programs>
+<Crisis Intervention, connectedTo, Mindfulness Practice>
+<Crisis Intervention, connectedTo, end>
+<Diagnosis and Assessment, connectedTo, Family Therapy>
+<Diagnosis and Assessment, connectedTo, end>
+<Emotional Regulation Training, connectedTo, Cognitive Behavioral Therapy>
+<Emotional Regulation Training, connectedTo, Crisis Intervention>
+<Emotional Regulation Training, connectedTo, Relapse Prevention>
+<Emotional Regulation Training, connectedTo, Suicide Prevention>
+<Family Therapy, connectedTo, Emotional Regulation Training>
+<Family Therapy, connectedTo, Relapse Prevention>
+<Family Therapy, connectedTo, Stress Reduction Techniques>
+<Inpatient Treatment Coordination, connectedTo, Coping Skill Development>
+<Inpatient Treatment Coordination, partOf, Mental Health Education>
+<Mental Health Screening, connectedTo, Music Therapy>
+<Mindfulness Practice, connectedTo, Coping Skill Development>
+<Music Therapy, no, end>
+<Recreational Therapy, connectedTo, Diagnosis and Assessment>
+<Relapse Prevention, connectedTo, Art Therapy>
+<Stress Reduction Techniques, connectedTo, Mental Health Screening>
+<Substance Abuse Counseling, connectedTo, Mental Health Screening>
+<Substance Abuse Counseling, connectedTo, Stress Reduction Techniques>
+<Substance Abuse Counseling, connectedTo, Trauma Therapy>
+<Substance Abuse Counseling, connectedTo, end>
+<Substance Abuse Counseling, no, Art Therapy>
+<Suicide Prevention, connectedTo, Counseling Services>
+<Suicide Prevention, partOf, Workplace Mental Health Programs>
+<Trauma Therapy, connectedTo, Relapse Prevention>
+<start, connectedTo, Recreational Therapy>
diff --git a/test/mermaid/scanned_hard/mermaid_324.txt b/test/mermaid/scanned_hard/mermaid_324.txt
new file mode 100644
index 0000000000000000000000000000000000000000..169c073e16f7566b24f79a04787ea9b607113a1d
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_324.txt
@@ -0,0 +1,34 @@
+<Agricultural Nutrition Impact, connectedTo, Inflammation and Diet>
+<Child Nutrition, connectedTo, Agricultural Nutrition Impact>
+<Child Nutrition, connectedTo, Weight Management>
+<Child Nutrition, yes, Disease_Specific Nutrition>
+<Clinical Nutrition Support, connectedTo, Community Nutrition Workshops>
+<Clinical Nutrition Support, partOf, Grocery Shopping Guidance>
+<Community Nutrition Workshops, connectedTo, Supplement Recommendation>
+<Community Nutrition Workshops, partOf, Grocery Shopping Guidance>
+<Disease_Specific Nutrition, connectedTo, Food Allergy Management>
+<Disease_Specific Nutrition, connectedTo, Food Fortification Strategies>
+<Elderly Nutrition, connectedTo, Food Allergy Management>
+<Elderly Nutrition, connectedTo, Restaurant Menu Analysis>
+<Food Allergy Management, connectedTo, Weight Management>
+<Food Fortification Strategies, connectedTo, Clinical Nutrition Support>
+<Food Fortification Strategies, partOf, Grocery Shopping Guidance>
+<Gut Microbiome Health, connectedTo, Hydration Planning>
+<Gut Microbiome Health, partOf, Food Label Interpretation>
+<Hydration Planning, connectedTo, Restaurant Menu Analysis>
+<Hydration Planning, partOf, Food Label Interpretation>
+<Inflammation and Diet, connectedTo, Disease_Specific Nutrition>
+<Inflammation and Diet, yes, Nutritional Biomarker Analysis>
+<Nutritional Biomarker Analysis, connectedTo, Gut Microbiome Health>
+<Nutritional Biomarker Analysis, partOf, Food Label Interpretation>
+<Personalized Nutrition Plans, connectedTo, Supplement Recommendation>
+<Public Health Nutrition Programs, connectedTo, Personalized Nutrition Plans>
+<Public Health Nutrition Programs, no, Restaurant Menu Analysis>
+<Restaurant Menu Analysis, connectedTo, Agricultural Nutrition Impact>
+<Restaurant Menu Analysis, connectedTo, Child Nutrition>
+<Restaurant Menu Analysis, no, Nutrigenomics Research>
+<Restaurant Menu Analysis, yes, Weight Management>
+<Supplement Recommendation, yes, Elderly Nutrition>
+<Weight Management, connectedTo, Nutrigenomics Research>
+<start, connectedTo, Public Health Nutrition Programs>
+<start, connectedTo, Restaurant Menu Analysis>
diff --git a/test/mermaid/scanned_hard/mermaid_325.mmd b/test/mermaid/scanned_hard/mermaid_325.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..3cc6eaf030ebb978deb941d6768a2cddc952caf0
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_325.mmd
@@ -0,0 +1,154 @@
+graph RL
+    N0([Strength Training])
+    N1(Corporate Wellness Programs)
+    N2(Home Workout Programs)
+    N3[Endurance Training]
+    N4([Youth Fitness Programs])
+    N5(Hydration for Exercise)
+    N6(Nutrition for Fitness)
+    N7[Running Coaching]
+    N8(Weightlifting Techniques)
+    N9(Yoga Instruction)
+    N10(Personalized Exercise Prescriptions)
+    N11[[Online Fitness Coaching]]
+    N12([Sports_Specific Training])
+    N13(Rehabilitation Exercises)
+    N14{Virtual Fitness Classes}
+    N15(Body Composition Analysis)
+    N16([Biometric Feedback Integration])
+    N17[Wearable Fitness Devices]
+    N18(Cross_Training)
+    N19[Functional Fitness Training]
+    N20([end])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Cardiovascular Training
+        nest0_0[(Community Fitness Challenges)]
+        nest0_1[(HIIT Workouts)]
+    end
+    subgraph Recovery Strategies
+        nest1_0[Posture Correction]
+        nest1_1(Outdoor Fitness Activities)
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> |licenses| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> |stretches| N11
+    N11 -.-> N12
+    N12 -.-> N13
+    N13 --> N14
+    N14 --> N15
+    N15 --> N16
+    N16 --> N17
+    N17 --> N18
+    N18 -.-> |rehabilitates| N19
+    N19 --> N20
+    nest0_0 --> nest0_1
+    N1 -.-> nest0_0
+    nest0_1 --> N7
+    nest1_0 --> nest1_1
+    N5 --> nest1_0
+    nest1_1 --> N11
+    N2 -.-> S0
+    S0 -.-> N15
+    S0 -.-> |supports| N11
+    N3 -.-> S1
+    S1 -.-> N7
+    S1 --> N14
+    N9 --> S2
+    S2 --> N11
+    S2 -.-> N16
+    S2 -.-> N13
+    N14 --> M0
+    N11 --> M0
+    N6 -.-> M0
+    M0 --> N19
+    N11 -.-> M1
+    N3 --> M1
+    N2 --> M1
+    M1 -.-> N14
+    style N0 fill:#DDCEDD,stroke:#AF56A6
+    style N1 fill:#DDCEDD,stroke:#AF56A6
+    style N2 fill:#FAEBF3,stroke:#F7BEE0
+    style N3 fill:#E6EE9C,stroke:#CDDC39
+    style N4 fill:#DDCEDD,stroke:#AF56A6
+    style N5 fill:#E6EE9C,stroke:#CDDC39
+    style N6 fill:#FAEBF3,stroke:#F7BEE0
+    style N7 fill:#FAEBF3,stroke:#F7BEE0
+    style N8 fill:#E6EE9C,stroke:#CDDC39
+    style N9 fill:#FAEBF3,stroke:#F7BEE0
+    style N10 fill:#DDCEDD,stroke:#AF56A6
+    style N11 fill:#DDCEDD,stroke:#AF56A6
+    style N12 fill:#DDCEDD,stroke:#AF56A6
+    style N13 fill:#E6EE9C,stroke:#CDDC39
+    style N14 fill:#DDCEDD,stroke:#AF56A6
+    style N15 fill:#E6EE9C,stroke:#CDDC39
+    style N16 fill:#DDCEDD,stroke:#AF56A6
+    style N17 fill:#DDCEDD,stroke:#AF56A6
+    style N18 fill:#E6EE9C,stroke:#CDDC39
+    style N19 fill:#FAEBF3,stroke:#F7BEE0
+    style N20 fill:#E6EE9C,stroke:#CDDC39
+    style S0 fill:#FAEBF3,stroke:#F7BEE0
+    style S1 fill:#FAEBF3,stroke:#F7BEE0
+    style S2 fill:#E6EE9C,stroke:#CDDC39
+    style M0 fill:#DDCEDD,stroke:#AF56A6
+    style M1 fill:#E6EE9C,stroke:#CDDC39
+    style nest0_0 fill:#FAEBF3,stroke:#F7BEE0
+    style nest0_1 fill:#DDCEDD,stroke:#AF56A6
+    style nest1_0 fill:#FAEBF3,stroke:#F7BEE0
+    style nest1_1 fill:#E6EE9C,stroke:#CDDC39
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#CDDC39,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_325.txt b/test/mermaid/scanned_hard/mermaid_325.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a945cfa0978c1719a5e953fa49033a7c471af7e8
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_325.txt
@@ -0,0 +1,42 @@
+<Biometric Feedback Integration, connectedTo, Wearable Fitness Devices>
+<Body Composition Analysis, connectedTo, Biometric Feedback Integration>
+<Community Fitness Challenges, connectedTo, HIIT Workouts>
+<Community Fitness Challenges, partOf, Cardiovascular Training>
+<Corporate Wellness Programs, connectedTo, Community Fitness Challenges>
+<Corporate Wellness Programs, connectedTo, Home Workout Programs>
+<Cross_Training, rehabilitates, Functional Fitness Training>
+<Endurance Training, connectedTo, Running Coaching>
+<Endurance Training, connectedTo, Virtual Fitness Classes>
+<Endurance Training, licenses, Youth Fitness Programs>
+<Functional Fitness Training, connectedTo, end>
+<HIIT Workouts, connectedTo, Running Coaching>
+<HIIT Workouts, partOf, Cardiovascular Training>
+<Home Workout Programs, connectedTo, Body Composition Analysis>
+<Home Workout Programs, connectedTo, Endurance Training>
+<Home Workout Programs, connectedTo, Virtual Fitness Classes>
+<Home Workout Programs, supports, Online Fitness Coaching>
+<Hydration for Exercise, connectedTo, Nutrition for Fitness>
+<Hydration for Exercise, connectedTo, Posture Correction>
+<Nutrition for Fitness, connectedTo, Functional Fitness Training>
+<Nutrition for Fitness, connectedTo, Running Coaching>
+<Online Fitness Coaching, connectedTo, Functional Fitness Training>
+<Online Fitness Coaching, connectedTo, Sports_Specific Training>
+<Online Fitness Coaching, connectedTo, Virtual Fitness Classes>
+<Outdoor Fitness Activities, connectedTo, Online Fitness Coaching>
+<Outdoor Fitness Activities, partOf, Recovery Strategies>
+<Personalized Exercise Prescriptions, stretches, Online Fitness Coaching>
+<Posture Correction, connectedTo, Outdoor Fitness Activities>
+<Posture Correction, partOf, Recovery Strategies>
+<Rehabilitation Exercises, connectedTo, Virtual Fitness Classes>
+<Running Coaching, connectedTo, Weightlifting Techniques>
+<Sports_Specific Training, connectedTo, Rehabilitation Exercises>
+<Strength Training, connectedTo, Corporate Wellness Programs>
+<Virtual Fitness Classes, connectedTo, Body Composition Analysis>
+<Virtual Fitness Classes, connectedTo, Functional Fitness Training>
+<Wearable Fitness Devices, connectedTo, Cross_Training>
+<Weightlifting Techniques, connectedTo, Yoga Instruction>
+<Yoga Instruction, connectedTo, Biometric Feedback Integration>
+<Yoga Instruction, connectedTo, Online Fitness Coaching>
+<Yoga Instruction, connectedTo, Personalized Exercise Prescriptions>
+<Yoga Instruction, connectedTo, Rehabilitation Exercises>
+<Youth Fitness Programs, connectedTo, Hydration for Exercise>
diff --git a/test/mermaid/scanned_hard/mermaid_326.mmd b/test/mermaid/scanned_hard/mermaid_326.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..927fe60fe25237c59ab474306b010fa752d9548b
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_326.mmd
@@ -0,0 +1,104 @@
+graph RL
+    N0([start])
+    N1[/Employee Wellness Programs/]
+    N2[Financial Wellness Planning]
+    N3([Environmental Wellness])
+    N4[Gratitude Practice]
+    N5(Alternative Therapies)
+    N6(Spiritual Exploration)
+    N7[(Aromatherapy Usage)]
+    N8(Holistic Health Assessment)
+    N9(Resilience Building)
+    N10[Mindfulness Practice]
+    N11[(Self_Care Routine Development)]
+    N12([Wellness Retreat Planning])
+    N13{Proactive Health Management}
+    N14{Community Wellness Programs}
+    N15([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Behavior Change Support
+        nest0_0[Meditation Coaching]
+        nest0_1[/Stress Management/]
+    end
+    subgraph Detox Programs
+        nest1_0([Biofeedback Training])
+        nest1_1[(Sleep Optimization)]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> |no| N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 -.-> |no| N12
+    N12 -.-> N13
+    N13 -.-> N14
+    N14 -.-> N15
+    nest0_0 -.-> nest0_1
+    N7 -.-> |no| nest0_0
+    nest0_1 --> |no| N14
+    nest1_0 -.-> nest1_1
+    N7 --> nest1_0
+    nest1_1 --> N10
+    N2 --> S0
+    S0 --> N10
+    S0 --> N5
+    N9 --> S1
+    S1 --> N11
+    S1 --> |yes| N14
+    S1 --> N15
+    N2 -.-> M0
+    N3 -.-> M0
+    N4 -.-> M0
+    M0 --> N6
+    N8 --> M1
+    N11 --> M1
+    M1 -.-> N15
+    style S0 fill:#FFFDE7,stroke:#FBC02D
+    style S1 fill:#FFF0CC,stroke:#FFCC80
+    style M0 fill:#FFF0CC,stroke:#FFCC80
+    style M1 fill:#BBDEFB,stroke:#2196F3
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_326.txt b/test/mermaid/scanned_hard/mermaid_326.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bc338bd323987a0f0ed5529e45d27d929eedc2c0
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_326.txt
@@ -0,0 +1,35 @@
+<Alternative Therapies, connectedTo, Spiritual Exploration>
+<Aromatherapy Usage, connectedTo, Biofeedback Training>
+<Aromatherapy Usage, connectedTo, Holistic Health Assessment>
+<Aromatherapy Usage, no, Meditation Coaching>
+<Biofeedback Training, connectedTo, Sleep Optimization>
+<Biofeedback Training, partOf, Detox Programs>
+<Community Wellness Programs, connectedTo, end>
+<Employee Wellness Programs, connectedTo, Financial Wellness Planning>
+<Environmental Wellness, connectedTo, Gratitude Practice>
+<Environmental Wellness, connectedTo, Spiritual Exploration>
+<Financial Wellness Planning, connectedTo, Alternative Therapies>
+<Financial Wellness Planning, connectedTo, Environmental Wellness>
+<Financial Wellness Planning, connectedTo, Mindfulness Practice>
+<Financial Wellness Planning, connectedTo, Spiritual Exploration>
+<Gratitude Practice, connectedTo, Alternative Therapies>
+<Gratitude Practice, connectedTo, Spiritual Exploration>
+<Holistic Health Assessment, connectedTo, end>
+<Holistic Health Assessment, no, Resilience Building>
+<Meditation Coaching, connectedTo, Stress Management>
+<Meditation Coaching, partOf, Behavior Change Support>
+<Mindfulness Practice, connectedTo, Self_Care Routine Development>
+<Proactive Health Management, connectedTo, Community Wellness Programs>
+<Resilience Building, connectedTo, Mindfulness Practice>
+<Resilience Building, connectedTo, Self_Care Routine Development>
+<Resilience Building, connectedTo, end>
+<Resilience Building, yes, Community Wellness Programs>
+<Self_Care Routine Development, connectedTo, end>
+<Self_Care Routine Development, no, Wellness Retreat Planning>
+<Sleep Optimization, connectedTo, Mindfulness Practice>
+<Sleep Optimization, partOf, Detox Programs>
+<Spiritual Exploration, connectedTo, Aromatherapy Usage>
+<Stress Management, no, Community Wellness Programs>
+<Stress Management, partOf, Behavior Change Support>
+<Wellness Retreat Planning, connectedTo, Proactive Health Management>
+<start, connectedTo, Employee Wellness Programs>
diff --git a/test/mermaid/scanned_hard/mermaid_328.mmd b/test/mermaid/scanned_hard/mermaid_328.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..37b5c6bdac3b27e0a7c73f823ed1885ba21d5f45
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_328.mmd
@@ -0,0 +1,144 @@
+graph TD
+    N0([start])
+    N1(Meeting Translation Systems)
+    N2[/Real_Time Document Translation/]
+    N3[(Emotion Detection in Speech)]
+    N4(Noise Reduction for Speech Input)
+    N5[/Custom Vocabulary Integration/]
+    N6[(Domain_Specific Translation Models)]
+    N7[[Speech Recognition]]
+    N8(API Integration for Translation Services)
+    N9(Customer Support Translation)
+    N10[Data Security for Translated Content]
+    N11[Accent Adaptation]
+    N12[(Machine Translation Engine)]
+    N13[[Text_to_Speech Synthesis]]
+    N14[Real_Time Captioning]
+    N15[/Wearable Translation Devices/]
+    N16[[Dialect Recognition]]
+    N17{Consecutive Interpretation}
+    N18([Multimodal Translation])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Subtitling Generation
+        nest0_0(Legal Document Translation)
+        nest0_1[(Low_Latency Processing)]
+    end
+    subgraph Voice Biometrics
+        nest1_0[[Pronunciation Correction]]
+        nest1_1{Cross_Lingual Communication}
+        nest1_2[[Glossary Management]]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> |protects| N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> |understands| N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 --> |generates| N13
+    N13 -.-> N14
+    N14 --> N15
+    N15 --> N16
+    N16 --> N17
+    N17 --> N18
+    nest0_0 --> |outputs| nest0_1
+    N1 --> nest0_0
+    nest0_1 --> |recognizes| N8
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    N17 -.-> nest1_0
+    nest1_2 -.-> N18
+    N10 -.-> S0
+    S0 --> N16
+    S0 -.-> N18
+    N12 --> S1
+    S1 --> |supports| N16
+    S1 --> N14
+    N5 -.-> S2
+    S2 --> N14
+    S2 -.-> N11
+    N1 --> M1
+    N9 --> M1
+    M1 --> N16
+    N1 --> M2
+    N0 -.-> M2
+    M2 --> N3
+    style N0 fill:#E8EAF6,stroke:#5C6BC0
+    style N1 fill:#E8EAF6,stroke:#7986CB
+    style N2 fill:#FFDAB9,stroke:#FFC085
+    style N3 fill:#E8EAF6,stroke:#5C6BC0
+    style N4 fill:#E8EAF6,stroke:#5C6BC0
+    style N5 fill:#E8EAF6,stroke:#5C6BC0
+    style N6 fill:#E8EAF6,stroke:#5C6BC0
+    style N7 fill:#FFDAB9,stroke:#FFC085
+    style N8 fill:#FFDAB9,stroke:#FFC085
+    style N9 fill:#FFDAB9,stroke:#FFC085
+    style N10 fill:#E8EAF6,stroke:#7986CB
+    style N11 fill:#E8EAF6,stroke:#5C6BC0
+    style N12 fill:#E8EAF6,stroke:#7986CB
+    style N13 fill:#FFDAB9,stroke:#FFC085
+    style N14 fill:#E8EAF6,stroke:#7986CB
+    style N15 fill:#E8EAF6,stroke:#7986CB
+    style N16 fill:#FFDAB9,stroke:#FFC085
+    style N17 fill:#FFDAB9,stroke:#FFC085
+    style N18 fill:#FFDAB9,stroke:#FFC085
+    style S0 fill:#E8EAF6,stroke:#5C6BC0
+    style S1 fill:#E8EAF6,stroke:#7986CB
+    style S2 fill:#E8EAF6,stroke:#5C6BC0
+    style M1 fill:#E8EAF6,stroke:#7986CB
+    style M2 fill:#E8EAF6,stroke:#5C6BC0
+    style nest0_0 fill:#FFDAB9,stroke:#FFC085
+    style nest0_1 fill:#E8EAF6,stroke:#5C6BC0
+    style nest1_0 fill:#E8EAF6,stroke:#7986CB
+    style nest1_1 fill:#FFDAB9,stroke:#FFC085
+    style nest1_2 fill:#E8EAF6,stroke:#7986CB
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#7986CB,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_328.txt b/test/mermaid/scanned_hard/mermaid_328.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a92012fb22890e30db2bf1d559d1a9a5c2ba8cfb
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_328.txt
@@ -0,0 +1,40 @@
+<API Integration for Translation Services, connectedTo, Customer Support Translation>
+<Accent Adaptation, connectedTo, Machine Translation Engine>
+<Consecutive Interpretation, connectedTo, Multimodal Translation>
+<Consecutive Interpretation, connectedTo, Pronunciation Correction>
+<Cross_Lingual Communication, connectedTo, Glossary Management>
+<Cross_Lingual Communication, partOf, Voice Biometrics>
+<Custom Vocabulary Integration, connectedTo, Accent Adaptation>
+<Custom Vocabulary Integration, connectedTo, Domain_Specific Translation Models>
+<Custom Vocabulary Integration, connectedTo, Real_Time Captioning>
+<Customer Support Translation, connectedTo, Dialect Recognition>
+<Customer Support Translation, understands, Data Security for Translated Content>
+<Data Security for Translated Content, connectedTo, Accent Adaptation>
+<Data Security for Translated Content, connectedTo, Dialect Recognition>
+<Data Security for Translated Content, connectedTo, Multimodal Translation>
+<Dialect Recognition, connectedTo, Consecutive Interpretation>
+<Domain_Specific Translation Models, protects, Speech Recognition>
+<Emotion Detection in Speech, connectedTo, Noise Reduction for Speech Input>
+<Glossary Management, connectedTo, Multimodal Translation>
+<Glossary Management, partOf, Voice Biometrics>
+<Legal Document Translation, outputs, Low_Latency Processing>
+<Legal Document Translation, partOf, Subtitling Generation>
+<Low_Latency Processing, partOf, Subtitling Generation>
+<Low_Latency Processing, recognizes, API Integration for Translation Services>
+<Machine Translation Engine, connectedTo, Real_Time Captioning>
+<Machine Translation Engine, generates, Text_to_Speech Synthesis>
+<Machine Translation Engine, supports, Dialect Recognition>
+<Meeting Translation Systems, connectedTo, Dialect Recognition>
+<Meeting Translation Systems, connectedTo, Emotion Detection in Speech>
+<Meeting Translation Systems, connectedTo, Legal Document Translation>
+<Meeting Translation Systems, connectedTo, Real_Time Document Translation>
+<Noise Reduction for Speech Input, connectedTo, Custom Vocabulary Integration>
+<Pronunciation Correction, connectedTo, Cross_Lingual Communication>
+<Pronunciation Correction, partOf, Voice Biometrics>
+<Real_Time Captioning, connectedTo, Wearable Translation Devices>
+<Real_Time Document Translation, connectedTo, Emotion Detection in Speech>
+<Speech Recognition, connectedTo, API Integration for Translation Services>
+<Text_to_Speech Synthesis, connectedTo, Real_Time Captioning>
+<Wearable Translation Devices, connectedTo, Dialect Recognition>
+<start, connectedTo, Emotion Detection in Speech>
+<start, connectedTo, Meeting Translation Systems>
diff --git a/test/mermaid/scanned_hard/mermaid_329.mmd b/test/mermaid/scanned_hard/mermaid_329.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..07a8672de2a49af70c35531436752f264071e729
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_329.mmd
@@ -0,0 +1,117 @@
+graph TD
+    N0([start])
+    N1{Counter_Drone Systems}
+    N2[Urban Air Mobility Planning]
+    N3(3D Modeling from Drone Data)
+    N4[Flight Planning Software]
+    N5([Communication Systems])
+    N6[Payload Customization]
+    N7[/Remote Piloting Training/]
+    N8[Geofencing Implementation]
+    N9[[Battery Management System]]
+    N10(Search and Rescue Operations)
+    N11([Collision Avoidance Systems])
+    N12(Flight Control System)
+    N13(Wildlife Tracking)
+    N14[Autonomous Flight]
+    N15([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Delivery Services
+        nest0_0[Drone Data Security]
+        nest0_1[[Thermal Imaging with Drones]]
+        nest0_2{Videography}
+    end
+    subgraph Navigation System
+        nest1_0(AI for Drone Autonomy)
+        nest1_1[/Data Processing from Drones/]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> |no| N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    N13 -.-> N14
+    N14 -.-> N15
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    N12 -.-> nest0_0
+    nest0_2 --> N4
+    nest1_0 --> nest1_1
+    N13 -.-> nest1_0
+    nest1_1 --> N6
+    N0 -.-> S0
+    S0 -.-> N9
+    S0 -.-> N5
+    N11 --> S1
+    S1 --> N13
+    S1 --> |no| N15
+    N5 --> M0
+    N1 -.-> M0
+    M0 -.-> N11
+    N9 --> M1
+    N8 -.-> M1
+    N4 -.-> M1
+    N6 --> M1
+    M1 -.-> N12
+    N7 --> M2
+    N6 --> M2
+    N4 -.-> M2
+    M2 --> N9
+    style S0 fill:#FFCDD2,stroke:#F44336
+    style S1 fill:#FFCDD2,stroke:#F44336
+    style M0 fill:#FFCDD2,stroke:#F44336
+    style M1 fill:#FFCDD2,stroke:#F44336
+    style M2 fill:#F0F4C3,stroke:#AED581
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#DCE775,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_33.mmd b/test/mermaid/scanned_hard/mermaid_33.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f1628e175faab46ecf598f97097fe79ed772c4c0
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_33.mmd
@@ -0,0 +1,29 @@
+graph BT
+    N0([start])
+    N1[(Employee Engagement Surveys)]
+    N2(HR Policy Development)
+    N3([Employee Data Management])
+    N4[[Work_Life Balance Initiatives]]
+    N5[(Organizational Development)]
+    N6(Team Building Activities)
+    N7(Conflict Resolution)
+    N8([end])
+    N0 -.-> |yes| N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> |yes| N4
+    N4 -.-> |no| N5
+    N5 --> |yes| N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N5 -.-> |yes| N2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_331.mmd b/test/mermaid/scanned_hard/mermaid_331.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..edf4fffc575a180ce672c5efbea4c6683cf88e9e
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_331.mmd
@@ -0,0 +1,132 @@
+graph TD
+    N0([Data Analytics for Usage Patterns])
+    N1[/Charging or Refueling Logistics/]
+    N2([Insurance Models])
+    N3(Dynamic Pricing)
+    N4[[Customer Support]]
+    N5(Vehicle Location Tracking)
+    N6[First_Mile or Last_Mile Solutions]
+    N7[Public Transit Integration]
+    N8(Bike_sharing Services)
+    N9[Smart City Integration]
+    N10{User Registration}
+    N11(Micro_mobility Management)
+    N12[(Subscription Model Management)]
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Parking Integration
+        nest0_0(Regulatory Compliance)
+        nest0_1[(Vehicle Booking)]
+        nest0_2[(Public_Private Partnerships)]
+        nest0_3[[Maintenance Scheduling]]
+    end
+    subgraph Passenger Safety Protocols
+        nest1_0[[User Onboarding]]
+        nest1_1[Sustainability Initiatives]
+        nest1_2[[Ride_sharing Services]]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N11 -.-> nest0_0
+    nest0_3 -.-> N10
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    N6 -.-> nest1_0
+    nest1_2 --> N9
+    N2 --> S0
+    S0 -.-> N4
+    S0 -.-> N8
+    N3 -.-> S1
+    S1 --> N8
+    S1 --> N12
+    N0 -.-> M0
+    N1 -.-> M0
+    N2 -.-> M0
+    M0 --> N4
+    N6 --> M1
+    N4 --> M1
+    M1 --> N12
+    N5 -.-> M2
+    N3 --> M2
+    N2 --> M2
+    M2 -.-> N7
+    style N0 fill:#CADEDE,stroke:#94C0C0
+    style N1 fill:#CADEDE,stroke:#94C0C0
+    style N2 fill:#FFF3E0,stroke:#FFB74D
+    style N3 fill:#FFF3E0,stroke:#FFB74D
+    style N4 fill:#FFF3E0,stroke:#FFB74D
+    style N5 fill:#CADEDE,stroke:#94C0C0
+    style N6 fill:#CADEDE,stroke:#94C0C0
+    style N7 fill:#CADEDE,stroke:#94C0C0
+    style N8 fill:#FFF3E0,stroke:#FFB74D
+    style N9 fill:#CADEDE,stroke:#94C0C0
+    style N10 fill:#FFF3E0,stroke:#FFB74D
+    style N11 fill:#FFF3E0,stroke:#FFB74D
+    style N12 fill:#FFF3E0,stroke:#FFB74D
+    style S0 fill:#CADEDE,stroke:#94C0C0
+    style S1 fill:#FFF3E0,stroke:#FFB74D
+    style M0 fill:#FCE4EC,stroke:#F06292
+    style M1 fill:#CADEDE,stroke:#94C0C0
+    style M2 fill:#FCE4EC,stroke:#F06292
+    style nest0_0 fill:#CADEDE,stroke:#94C0C0
+    style nest0_1 fill:#FCE4EC,stroke:#F06292
+    style nest0_2 fill:#FFF3E0,stroke:#FFB74D
+    style nest0_3 fill:#FCE4EC,stroke:#F06292
+    style nest1_0 fill:#FFF3E0,stroke:#FFB74D
+    style nest1_1 fill:#FFF3E0,stroke:#FFB74D
+    style nest1_2 fill:#FFF3E0,stroke:#FFB74D
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#F06292,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_332.txt b/test/mermaid/scanned_hard/mermaid_332.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6143af2e2936f7ba3a9418029a3f7686fd3b0adf
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_332.txt
@@ -0,0 +1,43 @@
+<Access Control Systems, connectedTo, Dynamic Pricing>
+<Access Control Systems, partOf, Emergency Vehicle Access Management>
+<Automated Parking Garages, connectedTo, Mobile Parking Apps>
+<Automated Parking Garages, partOf, Integration with Navigation Apps>
+<Barrier Gate Control, connectedTo, Off_Street Parking Management>
+<Billing and Reconciliation, connectedTo, Barrier Gate Control>
+<Billing and Reconciliation, connectedTo, Off_Street Parking Management>
+<Billing and Reconciliation, connectedTo, Smart Parking Meters>
+<Cloud_based Parking Platforms, connectedTo, Permit Management>
+<Cloud_based Parking Platforms, connectedTo, Smart City Integration for Parking>
+<Customer Support, connectedTo, Navigation to Open Space>
+<Customer Support, connectedTo, Revenue Management>
+<Demand Forecasting, connectedTo, Permit Management>
+<Dynamic Pricing, connectedTo, Navigation to Open Space>
+<Dynamic Pricing, partOf, Emergency Vehicle Access Management>
+<Edge Computing for Parking Data, connectedTo, Ticketing System Integration>
+<License Plate Recognition, connectedTo, Automated Parking Garages>
+<License Plate Recognition, partOf, Integration with Navigation Apps>
+<Mobile Parking Apps, connectedTo, Fleet Parking Solutions>
+<Navigation to Open Space, connectedTo, Billing and Reconciliation>
+<Off_Street Parking Management, connectedTo, Vacancy Monitoring>
+<Permit Management, connectedTo, Customer Support>
+<Permit Management, connectedTo, Mobile Parking Apps>
+<Real_Time Information Display, connectedTo, Mobile Parking Apps>
+<Revenue Management, connectedTo, License Plate Recognition>
+<Revenue Management, partOf, Integration with Navigation Apps>
+<Smart City Integration for Parking, connectedTo, Customer Support>
+<Smart City Integration for Parking, connectedTo, Permit Management>
+<Smart City Integration for Parking, connectedTo, Space Detection>
+<Smart Parking Meters, connectedTo, Edge Computing for Parking Data>
+<Space Detection, connectedTo, Customer Support>
+<Space Detection, connectedTo, Demand Forecasting>
+<Space Detection, connectedTo, Mobile Parking Apps>
+<Space Detection, measures, Off_Street Parking Management>
+<Space Detection, processes, Vacancy Monitoring>
+<Ticketing System Integration, connectedTo, Access Control Systems>
+<Ticketing System Integration, connectedTo, Real_Time Information Display>
+<Vacancy Monitoring, connectedTo, Smart Parking Meters>
+<start, communicates, Customer Support>
+<start, connectedTo, Cloud_based Parking Platforms>
+<start, connectedTo, Customer Support>
+<start, connectedTo, Navigation to Open Space>
+<start, monitors, Mobile Parking Apps>
diff --git a/test/mermaid/scanned_hard/mermaid_333.mmd b/test/mermaid/scanned_hard/mermaid_333.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e1562e8d9eee07b6566063c67670108cc44a20a9
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_333.mmd
@@ -0,0 +1,150 @@
+graph RL
+    N0([Customer Relationship Management Integration])
+    N1{Post_Event Feedback Collection}
+    N2(Promotional Code Management)
+    N3[(Mobile Ticketing)]
+    N4[Dynamic Pricing]
+    N5[Group Booking Management]
+    N6[Subscription or Season Pass Management]
+    N7(Biometric Ticketing)
+    N8{Theme Park Ticketing}
+    N9(Fan Loyalty Programs)
+    N10(Ticket Delivery)
+    N11[/Box Office Management/]
+    N12[/Event Promotion Tools/]
+    N13[/Agent Network Management/]
+    N14{Fraud Prevention}
+    N15(Personalized Ticket Offers)
+    N16([Museum Ticketing])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Seat Mapping
+        nest0_0[Ticket Sales]
+        nest0_1[(Analytics on Sales Data)]
+    end
+    subgraph Event Creation
+        nest1_0(Order Confirmation)
+        nest1_1{Scalper Prevention}
+        nest1_2[[Concert Ticketing]]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    N10 --> N11
+    N11 --> N12
+    N12 -.-> N13
+    N13 --> N14
+    N14 -.-> N15
+    N15 --> N16
+    nest0_0 -.-> nest0_1
+    N3 -.-> nest0_0
+    nest0_1 --> N11
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    N11 --> nest1_0
+    nest1_2 -.-> |markets| N1
+    N4 -.-> S0
+    S0 -.-> |responds| N11
+    S0 --> N12
+    N7 -.-> S1
+    S1 -.-> N15
+    S1 --> N14
+    S1 -.-> N10
+    N11 --> S2
+    S2 --> N15
+    S2 -.-> |sells| N14
+    N1 --> M0
+    N2 --> M0
+    M0 --> N5
+    N10 -.-> M1
+    N2 -.-> M1
+    N7 -.-> M1
+    M1 -.-> N13
+    N8 -.-> |refunds| M2
+    N4 -.-> M2
+    N3 --> M2
+    M2 -.-> N12
+    style N0 fill:#D0E0F8,stroke:#4285F4
+    style N1 fill:#FFFAE0,stroke:#FFE470
+    style N2 fill:#E8EAF6,stroke:#7986CB
+    style N3 fill:#E8EAF6,stroke:#7986CB
+    style N4 fill:#D0E0F8,stroke:#4285F4
+    style N5 fill:#D0E0F8,stroke:#4285F4
+    style N6 fill:#FFFAE0,stroke:#FFE470
+    style N7 fill:#D0E0F8,stroke:#4285F4
+    style N8 fill:#D0E0F8,stroke:#4285F4
+    style N9 fill:#FFFAE0,stroke:#FFE470
+    style N10 fill:#E8EAF6,stroke:#7986CB
+    style N11 fill:#FFFAE0,stroke:#FFE470
+    style N12 fill:#FFFAE0,stroke:#FFE470
+    style N13 fill:#D0E0F8,stroke:#4285F4
+    style N14 fill:#D0E0F8,stroke:#4285F4
+    style N15 fill:#E8EAF6,stroke:#7986CB
+    style N16 fill:#FFFAE0,stroke:#FFE470
+    style S0 fill:#D0E0F8,stroke:#4285F4
+    style S1 fill:#D0E0F8,stroke:#4285F4
+    style S2 fill:#FFFAE0,stroke:#FFE470
+    style M0 fill:#E8EAF6,stroke:#7986CB
+    style M1 fill:#FFFAE0,stroke:#FFE470
+    style M2 fill:#FFFAE0,stroke:#FFE470
+    style nest0_0 fill:#D0E0F8,stroke:#4285F4
+    style nest0_1 fill:#E8EAF6,stroke:#7986CB
+    style nest1_0 fill:#D0E0F8,stroke:#4285F4
+    style nest1_1 fill:#FFFAE0,stroke:#FFE470
+    style nest1_2 fill:#E8EAF6,stroke:#7986CB
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 43 stroke:#4285F4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_334.mmd b/test/mermaid/scanned_hard/mermaid_334.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..8e93ddada240bff41860789f219d2468679dd1a1
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_334.mmd
@@ -0,0 +1,99 @@
+graph RL
+    N0([start])
+    N1[(Voter Privacy Protection)]
+    N2[(Online Voting Systems)]
+    N3[[Legal Framework Compliance]]
+    N4[Voter Education Programs]
+    N5[Optical Scan Systems]
+    N6[Threat Modeling]
+    N7[[Penetration Testing]]
+    N8{Direct Recording Electronic Systems}
+    N9[/Cryptographic Security/]
+    N10[/Remote Voting Solutions/]
+    N11[/Cybersecurity for Voting Systems/]
+    N12[(Accessibility Features)]
+    N13([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Results Aggregation
+        nest0_0[[Post_Election Audits]]
+        nest0_1{Vote Counting}
+    end
+    subgraph Software Integrity Checks
+        nest1_0{Voter Registration}
+        nest1_1[[Anonymous Credential Systems]]
+        nest1_2[(Secure Data Transmission)]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    N12 --> |yes| N13
+    nest0_0 -.-> nest0_1
+    N1 -.-> nest0_0
+    nest0_1 -.-> |no| N9
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> nest1_2
+    N12 --> |yes| nest1_0
+    nest1_2 -.-> N11
+    N6 -.-> S0
+    S0 --> N9
+    S0 -.-> N11
+    N0 -.-> S1
+    S1 -.-> N6
+    S1 -.-> |yes| N4
+    S1 -.-> |yes| N5
+    N3 -.-> M0
+    N7 --> M0
+    M0 --> N9
+    N2 -.-> M1
+    N0 -.-> |yes| M1
+    M1 -.-> N4
+    style S0 fill:#FFF6D9,stroke:#FFCC7A
+    style S1 fill:#FAEBF3,stroke:#F7BEE0
+    style M0 fill:#F8BBD0,stroke:#E91E63
+    style M1 fill:#FFF6D9,stroke:#FFCC7A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#F7BEE0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_335.txt b/test/mermaid/scanned_hard/mermaid_335.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d792d83568b65d8ca76d36bf533cff61ea1daf3e
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_335.txt
@@ -0,0 +1,37 @@
+<Budgetary Implications, connectedTo, Legal Review>
+<Budgetary Implications, connectedTo, Option Generation>
+<Budgetary Implications, connectedTo, Risk Assessment>
+<Criteria Establishment, connectedTo, International Policy Analysis>
+<Criteria Establishment, connectedTo, Monitoring and Evaluation Framework>
+<Data Visualization for Policy, connectedTo, Legal Review>
+<Evidence_Based Policymaking, connectedTo, Qualitative Analysis>
+<Feasibility Study, connectedTo, end>
+<Forecasting and Scenario Planning, connectedTo, Criteria Establishment>
+<Forecasting and Scenario Planning, partOf, Policy Brief Writing>
+<Impact Assessment, connectedTo, Policy Learning>
+<International Policy Analysis, connectedTo, Regulatory Impact Assessment>
+<International Policy Analysis, partOf, Comparative Policy Analysis>
+<Legal Review, connectedTo, Evidence_Based Policymaking>
+<Legal Review, connectedTo, Risk Assessment>
+<Monitoring and Evaluation Framework, connectedTo, Public Consultation Process>
+<Non_profit Policy Influence, connectedTo, Forecasting and Scenario Planning>
+<Non_profit Policy Influence, partOf, Policy Brief Writing>
+<Option Generation, connectedTo, Legal Review>
+<Option Generation, proposes, Data Visualization for Policy>
+<Policy Learning, connectedTo, Policy Simulation Models>
+<Policy Simulation Models, connectedTo, Presentation Skills>
+<Presentation Skills, connectedTo, Feasibility Study>
+<Presentation Skills, connectedTo, Risk Assessment>
+<Presentation Skills, connectedTo, end>
+<Presentation Skills, drafts, Feasibility Study>
+<Public Consultation Process, connectedTo, Feasibility Study>
+<Public Consultation Process, connectedTo, Impact Assessment>
+<Public Consultation Process, connectedTo, Non_profit Policy Influence>
+<Public Consultation Process, connectedTo, Policy Learning>
+<Public Consultation Process, connectedTo, Presentation Skills>
+<Public Opinion Research, connectedTo, Public Consultation Process>
+<Public Opinion Research, partOf, Comparative Policy Analysis>
+<Qualitative Analysis, connectedTo, Criteria Establishment>
+<Regulatory Impact Assessment, connectedTo, Public Opinion Research>
+<Regulatory Impact Assessment, partOf, Comparative Policy Analysis>
+<Risk Assessment, connectedTo, Feasibility Study>
diff --git a/test/mermaid/scanned_hard/mermaid_336.mmd b/test/mermaid/scanned_hard/mermaid_336.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..79207bb915d89146c997e420aae71e3a9bc18f5d
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_336.mmd
@@ -0,0 +1,124 @@
+graph RL
+    N0([start])
+    N1[/Variable Identification/]
+    N2{Journal Publication}
+    N3(Model Building)
+    N4{Theory Development}
+    N5[Academic Mentorship]
+    N6[/Experiment Design/]
+    N7[(Research Ethics Application)]
+    N8([Research Design])
+    N9{Intellectual Property in Research}
+    N10[(Software for Statistical Analysis)]
+    N11[/Research Impact Assessment/]
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Hypothesis Formulation
+        nest0_0[/Peer Review Process/]
+        nest0_1[[Thesis or Dissertation Writing]]
+        nest0_2{Open Science Practices}
+    end
+    subgraph Survey Design
+        nest1_0[Bias Mitigation]
+        nest1_1([Citation Management])
+        nest1_2[[Funding Agency Reporting]]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> N11
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    N8 --> nest0_0
+    nest0_2 --> N1
+    nest1_0 --> nest1_1
+    nest1_1 --> nest1_2
+    N7 -.-> nest1_0
+    nest1_2 -.-> N8
+    N0 --> S0
+    S0 --> N11
+    S0 -.-> N7
+    N7 -.-> S1
+    S1 -.-> N10
+    S1 -.-> N11
+    N1 --> M0
+    N3 --> M0
+    M0 --> N7
+    N0 -.-> |investigates| M1
+    N8 -.-> M1
+    N7 -.-> M1
+    M1 --> N10
+    N6 -.-> M2
+    N2 -.-> M2
+    N7 --> M2
+    M2 --> N9
+    style N0 fill:#C8E6C9,stroke:#388E3C
+    style N1 fill:#CADEDE,stroke:#94C0C0
+    style N2 fill:#C2E8E6,stroke:#61CAC3
+    style N3 fill:#C8E6C9,stroke:#388E3C
+    style N4 fill:#C8E6C9,stroke:#388E3C
+    style N5 fill:#CADEDE,stroke:#94C0C0
+    style N6 fill:#C8E6C9,stroke:#388E3C
+    style N7 fill:#C8E6C9,stroke:#388E3C
+    style N8 fill:#C8E6C9,stroke:#388E3C
+    style N9 fill:#CADEDE,stroke:#94C0C0
+    style N10 fill:#C8E6C9,stroke:#388E3C
+    style N11 fill:#CADEDE,stroke:#94C0C0
+    style S0 fill:#C2E8E6,stroke:#61CAC3
+    style S1 fill:#C2E8E6,stroke:#61CAC3
+    style M0 fill:#C8E6C9,stroke:#388E3C
+    style M1 fill:#C8E6C9,stroke:#388E3C
+    style M2 fill:#C2E8E6,stroke:#61CAC3
+    style nest0_0 fill:#C8E6C9,stroke:#388E3C
+    style nest0_1 fill:#C2E8E6,stroke:#61CAC3
+    style nest0_2 fill:#CADEDE,stroke:#94C0C0
+    style nest1_0 fill:#CADEDE,stroke:#94C0C0
+    style nest1_1 fill:#C8E6C9,stroke:#388E3C
+    style nest1_2 fill:#CADEDE,stroke:#94C0C0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#94C0C0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_336.txt b/test/mermaid/scanned_hard/mermaid_336.txt
new file mode 100644
index 0000000000000000000000000000000000000000..da3f0d058d0e6f121d10fbf6854f2bbfccd81496
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_336.txt
@@ -0,0 +1,36 @@
+<Academic Mentorship, connectedTo, Experiment Design>
+<Bias Mitigation, connectedTo, Citation Management>
+<Bias Mitigation, partOf, Survey Design>
+<Citation Management, connectedTo, Funding Agency Reporting>
+<Citation Management, partOf, Survey Design>
+<Experiment Design, connectedTo, Intellectual Property in Research>
+<Experiment Design, connectedTo, Research Ethics Application>
+<Funding Agency Reporting, connectedTo, Research Design>
+<Funding Agency Reporting, partOf, Survey Design>
+<Intellectual Property in Research, connectedTo, Software for Statistical Analysis>
+<Journal Publication, connectedTo, Intellectual Property in Research>
+<Journal Publication, connectedTo, Model Building>
+<Model Building, connectedTo, Research Ethics Application>
+<Model Building, connectedTo, Theory Development>
+<Open Science Practices, connectedTo, Variable Identification>
+<Open Science Practices, partOf, Hypothesis Formulation>
+<Peer Review Process, connectedTo, Thesis or Dissertation Writing>
+<Peer Review Process, partOf, Hypothesis Formulation>
+<Research Design, connectedTo, Intellectual Property in Research>
+<Research Design, connectedTo, Peer Review Process>
+<Research Design, connectedTo, Software for Statistical Analysis>
+<Research Ethics Application, connectedTo, Bias Mitigation>
+<Research Ethics Application, connectedTo, Intellectual Property in Research>
+<Research Ethics Application, connectedTo, Research Design>
+<Research Ethics Application, connectedTo, Research Impact Assessment>
+<Research Ethics Application, connectedTo, Software for Statistical Analysis>
+<Software for Statistical Analysis, connectedTo, Research Impact Assessment>
+<Theory Development, connectedTo, Academic Mentorship>
+<Thesis or Dissertation Writing, connectedTo, Open Science Practices>
+<Thesis or Dissertation Writing, partOf, Hypothesis Formulation>
+<Variable Identification, connectedTo, Journal Publication>
+<Variable Identification, connectedTo, Research Ethics Application>
+<start, connectedTo, Research Ethics Application>
+<start, connectedTo, Research Impact Assessment>
+<start, connectedTo, Variable Identification>
+<start, investigates, Software for Statistical Analysis>
diff --git a/test/mermaid/scanned_hard/mermaid_338.txt b/test/mermaid/scanned_hard/mermaid_338.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3982e7e85c40258ab620c25300a6bdf4f6116638
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_338.txt
@@ -0,0 +1,40 @@
+<Access and Reference Services, connectedTo, Data Migration for Digital Archives>
+<Access and Reference Services, connectedTo, Environmental Control>
+<Appraisal and Selection, connectedTo, Records Retention Scheduling>
+<Appraisal and Selection, partOf, Outreach and Education>
+<Archival Advocacy, connectedTo, Conservation Treatment>
+<Archival Advocacy, connectedTo, Database Management>
+<Archival Advocacy, connectedTo, Long_Term Digital Preservation>
+<Arrangement and Description, connectedTo, Public Access Systems>
+<Arrangement and Description, partOf, Born_Digital Archiving>
+<Collection Management Policy, connectedTo, Legal and Ethical Compliance>
+<Collection Management Policy, exhibits, Digital Forensics for Archives>
+<Community Archiving Projects, connectedTo, Environmental Control>
+<Community Archiving Projects, partOf, Outreach and Education>
+<Conservation Treatment, connectedTo, Collection Management Policy>
+<Conservation Treatment, connectedTo, Legal and Ethical Compliance>
+<Conservation Treatment, connectedTo, Web Archiving>
+<Data Migration for Digital Archives, connectedTo, Arrangement and Description>
+<Data Migration for Digital Archives, partOf, Born_Digital Archiving>
+<Database Management, connectedTo, Records Transfer Processes>
+<Digital Forensics for Archives, connectedTo, Appraisal and Selection>
+<Digital Forensics for Archives, partOf, Outreach and Education>
+<Environmental Control, connectedTo, Conservation Treatment>
+<Environmental Control, connectedTo, Preservation Planning>
+<Intellectual Property Rights Management, connectedTo, Access and Reference Services>
+<Long_Term Digital Preservation, connectedTo, Conservation Treatment>
+<Long_Term Digital Preservation, connectedTo, Database Management>
+<Long_Term Digital Preservation, connectedTo, Intellectual Property Rights Management>
+<Long_Term Digital Preservation, connectedTo, Oral History Collection>
+<Long_Term Digital Preservation, connectedTo, Web Archiving>
+<Oral History Collection, connectedTo, Database Management>
+<Preservation Planning, connectedTo, Conservation Treatment>
+<Public Access Systems, partOf, Born_Digital Archiving>
+<Public Access Systems, stores, Conservation Treatment>
+<Records Retention Scheduling, connectedTo, Community Archiving Projects>
+<Records Retention Scheduling, partOf, Outreach and Education>
+<Records Transfer Processes, connectedTo, Intellectual Property Rights Management>
+<Subject Indexing for Archives, connectedTo, Archival Advocacy>
+<Subject Indexing for Archives, connectedTo, Conservation Treatment>
+<Subject Indexing for Archives, connectedTo, Database Management>
+<Web Archiving, connectedTo, Collection Management Policy>
diff --git a/test/mermaid/scanned_hard/mermaid_34.mmd b/test/mermaid/scanned_hard/mermaid_34.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..84d6573918f9b166996f32c41560a805eb7dc999
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_34.mmd
@@ -0,0 +1,28 @@
+graph LR
+    N0([start])
+    N1([Recruitment Marketing])
+    N2[Candidate Screening]
+    N3{Executive Search}
+    N4[Negotiation]
+    N5{Temporary Staffing}
+    N6[[Psychometric Testing]]
+    N7([end])
+    N0 --> |no| N1
+    N1 --> |yes| N2
+    N2 --> |no| N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> |no| N6
+    N6 --> N7
+    N4 -.-> |no| N6
+    N5 --> N2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_340.mmd b/test/mermaid/scanned_hard/mermaid_340.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a43722fc07fc0ae8cb4ce9b9f1c345b123194196
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_340.mmd
@@ -0,0 +1,105 @@
+graph BT
+    N0([start])
+    N1[(Healthcare Compliance)]
+    N2[Code of Conduct Implementation]
+    N3[Policy Development]
+    N4[Reporting Mechanisms]
+    N5[ESG Integration]
+    N6{Supplier Code of Conduct}
+    N7(Stakeholder Engagement on Ethics)
+    N8([Data Privacy Compliance])
+    N9[[Ethical Leadership Development]]
+    N10[Environmental Compliance]
+    N11[(Corporate Governance Standards)]
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Sanctions Compliance
+        nest0_0(Consumer Protection Compliance)
+        nest0_1[Risk Assessment]
+        nest0_2[Anti_Bribery and Corruption Compliance]
+    end
+    subgraph Third_Party Due Diligence
+        nest1_0[Compliance Software Implementation]
+        nest1_1(Regulatory Interpretation)
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> |no| N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    N10 --> |yes| N11
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    N3 -.-> |no| nest0_0
+    nest0_2 -.-> N10
+    nest1_0 -.-> |yes| nest1_1
+    N9 --> nest1_0
+    nest1_1 -.-> N11
+    N1 -.-> S0
+    S0 --> N8
+    S0 -.-> N4
+    S0 -.-> N10
+    S0 --> N7
+    N5 -.-> S1
+    S1 -.-> N8
+    S1 --> N7
+    S1 -.-> N9
+    N1 -.-> M0
+    N2 --> M0
+    M0 -.-> N6
+    N0 --> M1
+    N4 -.-> M1
+    M1 -.-> N6
+    N3 --> M2
+    N5 --> M2
+    M2 -.-> N9
+    style S0 fill:#EFE6FF,stroke:#C2B2F0
+    style S1 fill:#FFE88D,stroke:#FFDA4E
+    style M0 fill:#FFE88D,stroke:#FFDA4E
+    style M1 fill:#EFE6FF,stroke:#C2B2F0
+    style M2 fill:#EFE6FF,stroke:#C2B2F0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#FFDA4E,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_340.txt b/test/mermaid/scanned_hard/mermaid_340.txt
new file mode 100644
index 0000000000000000000000000000000000000000..49647d2b38e7f2a33c4f245fb3d333e31bed40d7
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_340.txt
@@ -0,0 +1,35 @@
+<Anti_Bribery and Corruption Compliance, connectedTo, Environmental Compliance>
+<Anti_Bribery and Corruption Compliance, partOf, Sanctions Compliance>
+<Code of Conduct Implementation, connectedTo, Policy Development>
+<Code of Conduct Implementation, connectedTo, Supplier Code of Conduct>
+<Compliance Software Implementation, partOf, Third_Party Due Diligence>
+<Compliance Software Implementation, yes, Regulatory Interpretation>
+<Consumer Protection Compliance, connectedTo, Risk Assessment>
+<Consumer Protection Compliance, partOf, Sanctions Compliance>
+<Data Privacy Compliance, connectedTo, Ethical Leadership Development>
+<ESG Integration, connectedTo, Data Privacy Compliance>
+<ESG Integration, connectedTo, Ethical Leadership Development>
+<ESG Integration, connectedTo, Stakeholder Engagement on Ethics>
+<ESG Integration, connectedTo, Supplier Code of Conduct>
+<Environmental Compliance, yes, Corporate Governance Standards>
+<Ethical Leadership Development, connectedTo, Compliance Software Implementation>
+<Ethical Leadership Development, connectedTo, Environmental Compliance>
+<Healthcare Compliance, connectedTo, Code of Conduct Implementation>
+<Healthcare Compliance, connectedTo, Data Privacy Compliance>
+<Healthcare Compliance, connectedTo, Environmental Compliance>
+<Healthcare Compliance, connectedTo, Reporting Mechanisms>
+<Healthcare Compliance, connectedTo, Stakeholder Engagement on Ethics>
+<Healthcare Compliance, connectedTo, Supplier Code of Conduct>
+<Policy Development, connectedTo, Ethical Leadership Development>
+<Policy Development, no, Consumer Protection Compliance>
+<Policy Development, no, Reporting Mechanisms>
+<Regulatory Interpretation, connectedTo, Corporate Governance Standards>
+<Regulatory Interpretation, partOf, Third_Party Due Diligence>
+<Reporting Mechanisms, connectedTo, ESG Integration>
+<Reporting Mechanisms, connectedTo, Supplier Code of Conduct>
+<Risk Assessment, connectedTo, Anti_Bribery and Corruption Compliance>
+<Risk Assessment, partOf, Sanctions Compliance>
+<Stakeholder Engagement on Ethics, connectedTo, Data Privacy Compliance>
+<Supplier Code of Conduct, connectedTo, Stakeholder Engagement on Ethics>
+<start, connectedTo, Healthcare Compliance>
+<start, connectedTo, Supplier Code of Conduct>
diff --git a/test/mermaid/scanned_hard/mermaid_342.mmd b/test/mermaid/scanned_hard/mermaid_342.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..566b2ec7feb822f5930b4a06400bae80190eba28
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_342.mmd
@@ -0,0 +1,107 @@
+graph BT
+    N0([start])
+    N1[(Public Awareness Campaigns)]
+    N2[(Drone Countermeasures)]
+    N3[Crisis Response Planning]
+    N4[Legislation and Policy Development]
+    N5[[Threat Assessment]]
+    N6[/Port Security/]
+    N7[Information Sharing]
+    N8([Hostage Negotiation])
+    N9([Risk_Based Security Measures])
+    N10([Cybersecurity Defense])
+    N11([Law Enforcement Operations])
+    N12[/Early Warning Systems/]
+    N13{Post_Incident Recovery}
+    N14([end])
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Chemical Biological Radiological Nuclear Defense
+        nest0_0{Vulnerability Assessment}
+        nest0_1([Biometric Screening])
+    end
+    subgraph Radicalization Prevention
+        nest1_0[/Training Exercises/]
+        nest1_1[Surveillance and Monitoring]
+        nest1_2[[Counter_Propaganda]]
+        nest1_3[Forensic Investigation of Attacks]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> |no| N5
+    N5 --> |yes| N6
+    N6 -.-> |no| N7
+    N7 -.-> N8
+    N8 --> |no| N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 -.-> N13
+    N13 -.-> N14
+    nest0_0 -.-> nest0_1
+    N10 -.-> nest0_0
+    nest0_1 --> N12
+    nest1_0 -.-> nest1_1
+    nest1_1 -.-> |yes| nest1_2
+    nest1_2 --> nest1_3
+    N13 -.-> nest1_0
+    nest1_3 --> N10
+    N5 --> S0
+    S0 -.-> N8
+    S0 --> N11
+    S0 --> |yes| N7
+    N0 -.-> S1
+    S1 --> N3
+    S1 -.-> N10
+    N5 --> M1
+    N1 --> |yes| M1
+    M1 --> N11
+    N1 -.-> M2
+    N4 --> M2
+    N0 --> M2
+    M2 -.-> N8
+    style S0 fill:#E1F5FE,stroke:#4FC3F7
+    style S1 fill:#E1F5FE,stroke:#4FC3F7
+    style M1 fill:#FBE9E7,stroke:#FF8A65
+    style M2 fill:#C2E8E6,stroke:#61CAC3
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#61CAC3,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_342.txt b/test/mermaid/scanned_hard/mermaid_342.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9f293a2e25b9e04ffca0cc63052d99943941aaaf
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_342.txt
@@ -0,0 +1,37 @@
+<Biometric Screening, connectedTo, Early Warning Systems>
+<Biometric Screening, partOf, Chemical Biological Radiological Nuclear Defense>
+<Counter_Propaganda, connectedTo, Forensic Investigation of Attacks>
+<Counter_Propaganda, partOf, Radicalization Prevention>
+<Crisis Response Planning, connectedTo, Legislation and Policy Development>
+<Cybersecurity Defense, connectedTo, Law Enforcement Operations>
+<Cybersecurity Defense, connectedTo, Vulnerability Assessment>
+<Drone Countermeasures, connectedTo, Crisis Response Planning>
+<Early Warning Systems, connectedTo, Post_Incident Recovery>
+<Forensic Investigation of Attacks, connectedTo, Cybersecurity Defense>
+<Forensic Investigation of Attacks, partOf, Radicalization Prevention>
+<Hostage Negotiation, no, Risk_Based Security Measures>
+<Information Sharing, connectedTo, Hostage Negotiation>
+<Law Enforcement Operations, connectedTo, Early Warning Systems>
+<Legislation and Policy Development, connectedTo, Hostage Negotiation>
+<Legislation and Policy Development, no, Threat Assessment>
+<Port Security, no, Information Sharing>
+<Post_Incident Recovery, connectedTo, Training Exercises>
+<Post_Incident Recovery, connectedTo, end>
+<Public Awareness Campaigns, connectedTo, Drone Countermeasures>
+<Public Awareness Campaigns, connectedTo, Hostage Negotiation>
+<Public Awareness Campaigns, yes, Law Enforcement Operations>
+<Risk_Based Security Measures, connectedTo, Cybersecurity Defense>
+<Surveillance and Monitoring, partOf, Radicalization Prevention>
+<Surveillance and Monitoring, yes, Counter_Propaganda>
+<Threat Assessment, connectedTo, Hostage Negotiation>
+<Threat Assessment, connectedTo, Law Enforcement Operations>
+<Threat Assessment, yes, Information Sharing>
+<Threat Assessment, yes, Port Security>
+<Training Exercises, connectedTo, Surveillance and Monitoring>
+<Training Exercises, partOf, Radicalization Prevention>
+<Vulnerability Assessment, connectedTo, Biometric Screening>
+<Vulnerability Assessment, partOf, Chemical Biological Radiological Nuclear Defense>
+<start, connectedTo, Crisis Response Planning>
+<start, connectedTo, Cybersecurity Defense>
+<start, connectedTo, Hostage Negotiation>
+<start, connectedTo, Public Awareness Campaigns>
diff --git a/test/mermaid/scanned_hard/mermaid_344.mmd b/test/mermaid/scanned_hard/mermaid_344.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..6639503b356addb8630ec1bc0addf954e5124aa8
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_344.mmd
@@ -0,0 +1,136 @@
+graph TD
+    N0([Drug Prevention Initiatives])
+    N1(Identity Theft Prevention)
+    N2([Law Enforcement Training])
+    N3[[Hotspot Policing]]
+    N4([Crime Data Analysis])
+    N5([Conflict Resolution Training])
+    N6[CCTV Installation]
+    N7[(School Safety Programs)]
+    N8[[Gun Violence Prevention]]
+    N9[Victim Support Services]
+    N10([Behavioral Science in Prevention])
+    N11{Target Hardening}
+    N12[Burglary Prevention]
+    N13{Deterrence Strategies}
+    N14([Environmental Design])
+    N15([Public Awareness Campaigns])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Restorative Justice
+        nest0_0(Patrol Operations)
+        nest0_1([Data Sharing Initiatives])
+    end
+    subgraph Gang Intervention
+        nest1_0([Crisis Intervention])
+        nest1_1(Sexual Assault Prevention)
+    end
+    N0 -.-> |investigates| N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 --> N13
+    N13 --> N14
+    N14 --> N15
+    nest0_0 -.-> nest0_1
+    N3 -.-> nest0_0
+    nest0_1 --> N4
+    nest1_0 -.-> nest1_1
+    N14 -.-> nest1_0
+    nest1_1 --> N7
+    N6 --> S0
+    S0 --> N12
+    S0 -.-> N8
+    N8 -.-> S1
+    S1 --> N14
+    S1 -.-> N15
+    S1 --> N12
+    N1 -.-> S2
+    S2 -.-> N3
+    S2 -.-> N11
+    S2 -.-> N5
+    N7 --> M0
+    N9 -.-> M0
+    N10 -.-> M0
+    M0 -.-> N14
+    N0 --> M1
+    N1 --> M1
+    N4 --> M1
+    M1 --> N6
+    style N0 fill:#C9F0F0,stroke:#4DD0E1
+    style N1 fill:#E8EAF6,stroke:#5C6BC0
+    style N2 fill:#C9F0F0,stroke:#4DD0E1
+    style N3 fill:#C9F0F0,stroke:#4DD0E1
+    style N4 fill:#CFD8DC,stroke:#607D8B
+    style N5 fill:#CFD8DC,stroke:#607D8B
+    style N6 fill:#C9F0F0,stroke:#4DD0E1
+    style N7 fill:#C9F0F0,stroke:#4DD0E1
+    style N8 fill:#C9F0F0,stroke:#4DD0E1
+    style N9 fill:#CFD8DC,stroke:#607D8B
+    style N10 fill:#CFD8DC,stroke:#607D8B
+    style N11 fill:#C9F0F0,stroke:#4DD0E1
+    style N12 fill:#CFD8DC,stroke:#607D8B
+    style N13 fill:#E8EAF6,stroke:#5C6BC0
+    style N14 fill:#CFD8DC,stroke:#607D8B
+    style N15 fill:#E8EAF6,stroke:#5C6BC0
+    style S0 fill:#CFD8DC,stroke:#607D8B
+    style S1 fill:#CFD8DC,stroke:#607D8B
+    style S2 fill:#C9F0F0,stroke:#4DD0E1
+    style M0 fill:#C9F0F0,stroke:#4DD0E1
+    style M1 fill:#CFD8DC,stroke:#607D8B
+    style nest0_0 fill:#E8EAF6,stroke:#5C6BC0
+    style nest0_1 fill:#C9F0F0,stroke:#4DD0E1
+    style nest1_0 fill:#E8EAF6,stroke:#5C6BC0
+    style nest1_1 fill:#CFD8DC,stroke:#607D8B
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_345.txt b/test/mermaid/scanned_hard/mermaid_345.txt
new file mode 100644
index 0000000000000000000000000000000000000000..84055b950849e8f3aeedde5ba442373a8368c296
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_345.txt
@@ -0,0 +1,35 @@
+<Captive Breeding Programs, connectedTo, Conservation Genetics>
+<Captive Breeding Programs, connectedTo, Ecological Survey>
+<Captive Breeding Programs, connectedTo, Invasive Species Control>
+<Captive Breeding Programs, connectedTo, Pollution Impact Assessment>
+<Captive Breeding Programs, connectedTo, Protected Area Management>
+<Captive Breeding Programs, monitors, GIS Mapping for Habitats>
+<Community Engagement, connectedTo, Freshwater Conservation>
+<Community Engagement, partOf, Research and Development in Conservation>
+<Conservation Genetics, connectedTo, Freshwater Conservation>
+<Conservation Genetics, connectedTo, Invasive Species Control>
+<Conservation Genetics, connectedTo, Protected Area Management>
+<Data Management for Conservation, connectedTo, Freshwater Conservation>
+<Data Management for Conservation, partOf, Anti_Poaching Operations>
+<Disease Surveillance, partOf, Anti_Poaching Operations>
+<Disease Surveillance, studies, Marine Conservation>
+<Ecological Survey, connectedTo, Disease Surveillance>
+<Ecological Survey, partOf, Anti_Poaching Operations>
+<Ecosystem Services Valuation, connectedTo, Policy Advocacy>
+<Ecosystem Services Valuation, partOf, Research and Development in Conservation>
+<Freshwater Conservation, connectedTo, Pollution Impact Assessment>
+<Freshwater Conservation, connectedTo, Protected Area Management>
+<GIS Mapping for Habitats, connectedTo, Rewilding Initiatives>
+<International Treaties Enforcement, connectedTo, Ecosystem Services Valuation>
+<International Treaties Enforcement, connectedTo, GIS Mapping for Habitats>
+<Marine Conservation, connectedTo, Data Management for Conservation>
+<Marine Conservation, partOf, Anti_Poaching Operations>
+<Policy Advocacy, connectedTo, Translocation of Species>
+<Policy Advocacy, partOf, Research and Development in Conservation>
+<Pollution Impact Assessment, connectedTo, Protected Area Management>
+<Pollution Impact Assessment, reports, Invasive Species Control>
+<Protected Area Management, connectedTo, International Treaties Enforcement>
+<Rewilding Initiatives, connectedTo, Invasive Species Control>
+<Translocation of Species, connectedTo, Community Engagement>
+<Translocation of Species, partOf, Research and Development in Conservation>
+<start, connectedTo, Captive Breeding Programs>
diff --git a/test/mermaid/scanned_hard/mermaid_346.mmd b/test/mermaid/scanned_hard/mermaid_346.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..6485899deb6f5dc87c7c11c6f4d536d5be42d714
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_346.mmd
@@ -0,0 +1,122 @@
+graph TD
+    N0([Ocean Current Measurement])
+    N1(Deep_Sea Exploration)
+    N2[[Biological Oceanography]]
+    N3(Ocean Acidification Research)
+    N4(Coastal Erosion Research)
+    N5[Coral Reef Monitoring]
+    N6([Polar Oceanography])
+    N7(Tsunami Prediction)
+    N8[[Seabed Resource Exploration]]
+    N9([Ocean Drilling Programs])
+    N10[[Underwater Acoustics]]
+    N11(Ocean Carbon Cycle)
+    N12(Marine Biodiversity Assessment)
+    N13([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Sediment Analysis
+        nest0_0[/Ocean Floor Mapping/]
+        nest0_1(Salinity Measurement)
+    end
+    subgraph Climate Change Impact Study
+        nest1_0[/Physical Oceanography/]
+        nest1_1[Fisheries Management]
+    end
+    N0 --> |surveys| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    nest0_0 --> nest0_1
+    N1 --> nest0_0
+    nest0_1 --> N13
+    nest1_0 --> |interprets| nest1_1
+    N8 --> nest1_0
+    nest1_1 --> N5
+    N8 -.-> S0
+    S0 --> N12
+    S0 --> N11
+    S0 --> N10
+    S0 --> N13
+    N0 --> S1
+    S1 --> N3
+    S1 -.-> N4
+    S1 --> N10
+    S1 --> N12
+    N3 --> |develops_instruments| M0
+    N4 -.-> |simulates| M0
+    M0 --> N6
+    N5 --> M1
+    N1 -.-> M1
+    N4 --> M1
+    M1 --> N8
+    style N0 fill:#CFD8DC,stroke:#607D8B
+    style N1 fill:#CFD8DC,stroke:#607D8B
+    style N2 fill:#F9FBE7,stroke:#DCE775
+    style N3 fill:#F9FBE7,stroke:#DCE775
+    style N4 fill:#CFD8DC,stroke:#607D8B
+    style N5 fill:#F9FBE7,stroke:#DCE775
+    style N6 fill:#EFEBE9,stroke:#A1887F
+    style N7 fill:#EFEBE9,stroke:#A1887F
+    style N8 fill:#EFEBE9,stroke:#A1887F
+    style N9 fill:#EFEBE9,stroke:#A1887F
+    style N10 fill:#CFD8DC,stroke:#607D8B
+    style N11 fill:#EFEBE9,stroke:#A1887F
+    style N12 fill:#EFEBE9,stroke:#A1887F
+    style N13 fill:#F9FBE7,stroke:#DCE775
+    style S0 fill:#CFD8DC,stroke:#607D8B
+    style S1 fill:#CFD8DC,stroke:#607D8B
+    style M0 fill:#EFEBE9,stroke:#A1887F
+    style M1 fill:#F9FBE7,stroke:#DCE775
+    style nest0_0 fill:#CFD8DC,stroke:#607D8B
+    style nest0_1 fill:#F9FBE7,stroke:#DCE775
+    style nest1_0 fill:#F9FBE7,stroke:#DCE775
+    style nest1_1 fill:#EFEBE9,stroke:#A1887F
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#607D8B,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_347.txt b/test/mermaid/scanned_hard/mermaid_347.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6503c732b916913af57720e53ba985c73cc1d8a7
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_347.txt
@@ -0,0 +1,45 @@
+<Building Code Development, connectedTo, Seismic Instrumentation Maintenance>
+<Computational Seismology, connectedTo, Geophysical Exploration>
+<Data Archiving and Distribution, connectedTo, Emergency Preparedness for Earthquakes>
+<Deep Earth Seismology, connectedTo, Liquefaction Potential Assessment>
+<Deep Earth Seismology, connectedTo, Seismic Inversion>
+<Earth Structure Imaging, no, Tectonic Plate Movement Monitoring>
+<Earth Structure Imaging, partOf, Structural Response to Earthquakes>
+<Earthquake Detection, connectedTo, Magnitude Determination>
+<Earthquake Detection, connectedTo, Nuclear Test Monitoring>
+<Earthquake Detection, no, Data Archiving and Distribution>
+<Earthquake Early Warning Systems, connectedTo, Magnitude Determination>
+<Earthquake Early Warning Systems, yes, P_Wave or S_Wave Distinction>
+<Emergency Preparedness for Earthquakes, connectedTo, Computational Seismology>
+<Emergency Preparedness for Earthquakes, connectedTo, Induced Seismicity Monitoring>
+<Emergency Preparedness for Earthquakes, connectedTo, Magnitude Determination>
+<Emergency Preparedness for Earthquakes, connectedTo, Seismic Array Deployment>
+<Emergency Preparedness for Earthquakes, connectedTo, end>
+<Geophysical Exploration, connectedTo, Seismic Inversion>
+<Induced Seismicity Monitoring, connectedTo, Seismic Array Deployment>
+<Liquefaction Potential Assessment, no, Seismic Network Operations>
+<Magnitude Determination, connectedTo, Computational Seismology>
+<Nuclear Test Monitoring, connectedTo, Earth Structure Imaging>
+<Nuclear Test Monitoring, partOf, Structural Response to Earthquakes>
+<P_Wave or S_Wave Distinction, connectedTo, Building Code Development>
+<P_Wave or S_Wave Distinction, connectedTo, Data Archiving and Distribution>
+<P_Wave or S_Wave Distinction, connectedTo, Earthquake Detection>
+<P_Wave or S_Wave Distinction, connectedTo, Induced Seismicity Monitoring>
+<P_Wave or S_Wave Distinction, connectedTo, Seismic Inversion>
+<Paleoseismology, connectedTo, Magnitude Determination>
+<Paleoseismology, connectedTo, Seismic Data Processing>
+<Seismic Array Deployment, connectedTo, Magnitude Determination>
+<Seismic Array Deployment, connectedTo, Paleoseismology>
+<Seismic Data Processing, connectedTo, Seismic Hazard Assessment>
+<Seismic Data Processing, partOf, Glacial Seismology>
+<Seismic Hazard Assessment, connectedTo, Seismic Wave Analysis>
+<Seismic Hazard Assessment, partOf, Glacial Seismology>
+<Seismic Instrumentation Maintenance, connectedTo, Earthquake Detection>
+<Seismic Inversion, connectedTo, end>
+<Seismic Network Operations, connectedTo, Earthquake Early Warning Systems>
+<Seismic Wave Analysis, connectedTo, Magnitude Determination>
+<Seismic Wave Analysis, partOf, Glacial Seismology>
+<Subsurface Imaging, connectedTo, Tectonic Plate Movement Monitoring>
+<Tectonic Plate Movement Monitoring, connectedTo, Deep Earth Seismology>
+<start, connectedTo, Seismic Inversion>
+<start, connectedTo, Subsurface Imaging>
diff --git a/test/mermaid/scanned_hard/mermaid_348.mmd b/test/mermaid/scanned_hard/mermaid_348.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a39a29ee1c2d6f7e6a2b4885477ad3c9c9d46620
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_348.mmd
@@ -0,0 +1,122 @@
+graph RL
+    N0([start])
+    N1([CRISPR Gene Drive Research])
+    N2{Pharmacogenomics}
+    N3[[Gene Annotation]]
+    N4[[Genomic Data Visualization]]
+    N5[Data Privacy in Genomics]
+    N6(Computational Genomics)
+    N7[/Genome Assembly/]
+    N8[Variant Calling]
+    N9(Gene Expression Profiling)
+    N10[[Disease Gene Identification]]
+    N11[Microbial Genomics]
+    N12(Bioinformatics Pipeline Development)
+    N13[(Proteomics)]
+    N14[/Spatial Genomics/]
+    N15[Single_Cell Genomics]
+    N16(Methylation Analysis)
+    N17([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Genomic Editing
+        nest0_0[[Genomic Data Sharing]]
+        nest0_1[/DNA Sequencing/]
+        nest0_2[Genetic Testing]
+        nest0_3[(Cancer Genomics)]
+    end
+    subgraph Long_Read Sequencing
+        nest1_0{Gene Therapy Development}
+        nest1_1[Transcriptomics]
+        nest1_2[[Comparative Genomics]]
+        nest1_3[[Epigenomics]]
+    end
+    N0 -.-> N1
+    N1 -.-> |no| N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 -.-> N12
+    N12 --> N13
+    N13 --> N14
+    N14 --> |no| N15
+    N15 -.-> N16
+    N16 -.-> N17
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> nest0_3
+    N1 --> nest0_0
+    nest0_3 -.-> N8
+    nest1_0 -.-> nest1_1
+    nest1_1 --> nest1_2
+    nest1_2 --> nest1_3
+    N8 -.-> |no| nest1_0
+    nest1_3 --> N11
+    N1 -.-> S0
+    S0 --> N9
+    S0 -.-> N6
+    N13 -.-> S1
+    S1 --> N16
+    S1 --> N17
+    S1 -.-> N15
+    N1 -.-> |no| M0
+    N0 --> M0
+    M0 -.-> N3
+    N0 -.-> |no| M1
+    N6 -.-> M1
+    N3 -.-> M1
+    M1 -.-> N9
+    style S0 fill:#D3D7EB,stroke:#8C9EFF
+    style S1 fill:#D6D9F0,stroke:#9FA9E1
+    style M0 fill:#FFFDE7,stroke:#FBC02D
+    style M1 fill:#D6D9F0,stroke:#9FA9E1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#8C9EFF,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_348.txt b/test/mermaid/scanned_hard/mermaid_348.txt
new file mode 100644
index 0000000000000000000000000000000000000000..72289a4f02ebfbfb1f7ad22ae1cceca642e50b16
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_348.txt
@@ -0,0 +1,45 @@
+<Bioinformatics Pipeline Development, connectedTo, Proteomics>
+<CRISPR Gene Drive Research, connectedTo, Computational Genomics>
+<CRISPR Gene Drive Research, connectedTo, Gene Expression Profiling>
+<CRISPR Gene Drive Research, connectedTo, Genomic Data Sharing>
+<CRISPR Gene Drive Research, no, Gene Annotation>
+<CRISPR Gene Drive Research, no, Pharmacogenomics>
+<Cancer Genomics, connectedTo, Variant Calling>
+<Cancer Genomics, partOf, Genomic Editing>
+<Comparative Genomics, connectedTo, Epigenomics>
+<Comparative Genomics, partOf, Long_Read Sequencing>
+<Computational Genomics, connectedTo, Gene Expression Profiling>
+<Computational Genomics, connectedTo, Genome Assembly>
+<DNA Sequencing, connectedTo, Genetic Testing>
+<DNA Sequencing, partOf, Genomic Editing>
+<Data Privacy in Genomics, connectedTo, Computational Genomics>
+<Disease Gene Identification, connectedTo, Microbial Genomics>
+<Epigenomics, connectedTo, Microbial Genomics>
+<Epigenomics, partOf, Long_Read Sequencing>
+<Gene Annotation, connectedTo, Gene Expression Profiling>
+<Gene Annotation, connectedTo, Genomic Data Visualization>
+<Gene Expression Profiling, connectedTo, Disease Gene Identification>
+<Gene Therapy Development, connectedTo, Transcriptomics>
+<Gene Therapy Development, partOf, Long_Read Sequencing>
+<Genetic Testing, connectedTo, Cancer Genomics>
+<Genetic Testing, partOf, Genomic Editing>
+<Genome Assembly, connectedTo, Variant Calling>
+<Genomic Data Sharing, connectedTo, DNA Sequencing>
+<Genomic Data Sharing, partOf, Genomic Editing>
+<Genomic Data Visualization, connectedTo, Data Privacy in Genomics>
+<Methylation Analysis, connectedTo, end>
+<Microbial Genomics, connectedTo, Bioinformatics Pipeline Development>
+<Pharmacogenomics, connectedTo, Gene Annotation>
+<Proteomics, connectedTo, Methylation Analysis>
+<Proteomics, connectedTo, Single_Cell Genomics>
+<Proteomics, connectedTo, Spatial Genomics>
+<Proteomics, connectedTo, end>
+<Single_Cell Genomics, connectedTo, Methylation Analysis>
+<Spatial Genomics, no, Single_Cell Genomics>
+<Transcriptomics, connectedTo, Comparative Genomics>
+<Transcriptomics, partOf, Long_Read Sequencing>
+<Variant Calling, connectedTo, Gene Expression Profiling>
+<Variant Calling, no, Gene Therapy Development>
+<start, connectedTo, CRISPR Gene Drive Research>
+<start, connectedTo, Gene Annotation>
+<start, no, Gene Expression Profiling>
diff --git a/test/mermaid/scanned_hard/mermaid_35.mmd b/test/mermaid/scanned_hard/mermaid_35.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..34d4e7f8b57b3ac69d7bdab83c3aa500c05b63a3
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_35.mmd
@@ -0,0 +1,26 @@
+graph BT
+    N0([start])
+    N1(Training Customer Service Agents)
+    N2[[Feedback Collection]]
+    N3(Technical Support)
+    N4[Call Center Management]
+    N5[Up_selling Opportunities]
+    N6[/Sentiment Analysis/]
+    N7([end])
+    N0 -.-> |yes| N1
+    N1 --> |no| N2
+    N2 --> |no| N3
+    N3 -.-> N4
+    N4 -.-> |yes| N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N5 -.-> |no| N7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#CDDC39,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_352.txt b/test/mermaid/scanned_hard/mermaid_352.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4e00310a4bfe2b434ec6a0d08f715dbe67f373ce
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_352.txt
@@ -0,0 +1,29 @@
+<Automated Testing, connectedTo, Task Automation>
+<Automation Opportunity Identification, connectedTo, Task Automation>
+<Automation Opportunity Identification, partOf, Error Handling in Automation>
+<Change Management for Automation, connectedTo, Automated Testing>
+<Change Management for Automation, connectedTo, Integration with Existing Systems>
+<Compliance in Automation, connectedTo, Task Automation>
+<Compliance in Automation, partOf, Decision Automation>
+<Data Entry Automation, connectedTo, User Training for Automated Systems>
+<Data Entry Automation, partOf, Decision Automation>
+<Integration with Existing Systems, connectedTo, Automation Opportunity Identification>
+<Integration with Existing Systems, partOf, Error Handling in Automation>
+<Optical Character Recognition for Automation, connectedTo, Automated Testing>
+<Optical Character Recognition for Automation, connectedTo, Change Management for Automation>
+<Optical Character Recognition for Automation, notifications_sends, Task Automation>
+<Orchestration of Processes, connectedTo, IT Operations Automation>
+<Process Mapping, connectedTo, Compliance in Automation>
+<Process Mapping, partOf, Decision Automation>
+<Return on Investment Calculation, connectedTo, Data Entry Automation>
+<Return on Investment Calculation, errors_detects, Orchestration of Processes>
+<Robotic Process Automation Implementation, connectedTo, Return on Investment Calculation>
+<Task Automation, connectedTo, Robotic Process Automation Implementation>
+<User Training for Automated Systems, connectedTo, Automated Testing>
+<User Training for Automated Systems, partOf, Decision Automation>
+<User Training for Automated Systems, scales_processes, Process Mapping>
+<start, connectedTo, Automated Testing>
+<start, connectedTo, Change Management for Automation>
+<start, connectedTo, Optical Character Recognition for Automation>
+<start, connectedTo, Orchestration of Processes>
+<start, connectedTo, Task Automation>
diff --git a/test/mermaid/scanned_hard/mermaid_353.txt b/test/mermaid/scanned_hard/mermaid_353.txt
new file mode 100644
index 0000000000000000000000000000000000000000..46ab71afd8889b43c2472b087ecb2df6d012bb02
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_353.txt
@@ -0,0 +1,37 @@
+<Component Inspection, connectedTo, Corrective and Preventive Actions>
+<Component Inspection, connectedTo, Defect Detection>
+<Corrective and Preventive Actions, connectedTo, Regulatory Compliance for Quality>
+<Corrective and Preventive Actions, partOf, Inspection Procedures>
+<Customer Feedback Analysis, connectedTo, Component Inspection>
+<Defect Detection, connectedTo, end>
+<Measurement System Analysis, yes, Testing Methods>
+<Process Monitoring, connectedTo, Measurement System Analysis>
+<Product Testing, connectedTo, Defect Detection>
+<Product Testing, partOf, ISO Certification>
+<Quality Assurance, connectedTo, Total Quality Management>
+<Quality Data Analysis, yes, Quality Planning>
+<Quality Management Systems, connectedTo, Customer Feedback Analysis>
+<Quality Management Systems, connectedTo, Statistical Process Control>
+<Quality Planning, connectedTo, Quality Management Systems>
+<Regulatory Compliance for Quality, connectedTo, Measurement System Analysis>
+<Regulatory Compliance for Quality, partOf, Inspection Procedures>
+<Root Cause Analysis, connectedTo, Process Monitoring>
+<Sampling Plans, connectedTo, Quality Data Analysis>
+<Statistical Process Control, no, X_ray Inspection>
+<Statistical Process Control, partOf, ISO Certification>
+<Supplier Audits, connectedTo, Product Testing>
+<Supplier Audits, partOf, ISO Certification>
+<Testing Methods, connectedTo, Quality Assurance>
+<Testing Methods, connectedTo, Quality Planning>
+<Total Quality Management, connectedTo, Quality Planning>
+<Total Quality Management, connectedTo, Trend Analysis>
+<Trend Analysis, connectedTo, Sampling Plans>
+<X_ray Inspection, connectedTo, Supplier Audits>
+<X_ray Inspection, partOf, ISO Certification>
+<start, connectedTo, Process Monitoring>
+<start, connectedTo, Quality Assurance>
+<start, connectedTo, Quality Planning>
+<start, connectedTo, Root Cause Analysis>
+<start, no, Sampling Plans>
+<start, no, Testing Methods>
+<start, yes, Total Quality Management>
diff --git a/test/mermaid/scanned_hard/mermaid_355.mmd b/test/mermaid/scanned_hard/mermaid_355.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..bc571ee5e089e7b4aa7b7e8d3b28973fc7f50ea2
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_355.mmd
@@ -0,0 +1,138 @@
+graph RL
+    N0([Predictive Analytics for Harvest])
+    N1{Geographic Information Systems for Farms}
+    N2([IoT in Agriculture])
+    N3(Satellite Imaging)
+    N4[(Crop Insurance Assessment)]
+    N5[Forestry Management with Digital Tools]
+    N6{Farm Labor Management Software}
+    N7[[Pest and Disease Management Systems]]
+    N8([AI for Crop Disease Detection])
+    N9[[Smart Greenhouses]]
+    N10{Farm Management Dashboards}
+    N11[Resource Optimization]
+    N12{Digital Soil Mapping}
+    N13(Aquaculture Monitoring)
+    N14[[Weather Station Data Integration]]
+    N15[Supply Chain Traceability]
+    N16(Herd Health Monitoring)
+    N17([end])
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Market Price Forecasting
+        nest0_0[(Automated Irrigation)]
+        nest0_1([Blockchain for Agri_Supply Chain])
+        nest0_2[Crop Health Monitoring]
+        nest0_3(Vertical Farming Technology)
+    end
+    subgraph Precision Farming
+        nest1_0[[Carbon Farming Initiatives]]
+        nest1_1([Connectivity Solutions])
+    end
+    N0 --> N1
+    N1 --> |blockchain_traces| N2
+    N2 -.-> |IoT_integrates| N3
+    N3 -.-> N4
+    N4 --> |controls| N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 --> N12
+    N12 -.-> N13
+    N13 -.-> N14
+    N14 -.-> N15
+    N15 -.-> |satellites_leverages| N16
+    N16 --> N17
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 --> nest0_3
+    N9 -.-> nest0_0
+    nest0_3 -.-> N14
+    nest1_0 -.-> nest1_1
+    N11 -.-> nest1_0
+    nest1_1 --> N9
+    N14 -.-> S0
+    S0 --> N17
+    S0 -.-> N16
+    N14 -.-> S1
+    S1 --> |precision_farming_enables| N16
+    S1 -.-> N17
+    N1 --> M1
+    N4 -.-> M1
+    N2 -.-> |visualizes| M1
+    M1 --> N6
+    N2 --> M2
+    N0 -.-> |automates| M2
+    M2 --> N13
+    style N0 fill:#EDE7F6,stroke:#9575CD
+    style N1 fill:#EBEBEB,stroke:#E0E0E0
+    style N2 fill:#EBEBEB,stroke:#E0E0E0
+    style N3 fill:#F2E6F5,stroke:#CB9BE1
+    style N4 fill:#EDE7F6,stroke:#9575CD
+    style N5 fill:#F2E6F5,stroke:#CB9BE1
+    style N6 fill:#F2E6F5,stroke:#CB9BE1
+    style N7 fill:#EDE7F6,stroke:#9575CD
+    style N8 fill:#F2E6F5,stroke:#CB9BE1
+    style N9 fill:#EDE7F6,stroke:#9575CD
+    style N10 fill:#EDE7F6,stroke:#9575CD
+    style N11 fill:#F2E6F5,stroke:#CB9BE1
+    style N12 fill:#EBEBEB,stroke:#E0E0E0
+    style N13 fill:#F2E6F5,stroke:#CB9BE1
+    style N14 fill:#F2E6F5,stroke:#CB9BE1
+    style N15 fill:#EBEBEB,stroke:#E0E0E0
+    style N16 fill:#EDE7F6,stroke:#9575CD
+    style N17 fill:#EBEBEB,stroke:#E0E0E0
+    style S0 fill:#EBEBEB,stroke:#E0E0E0
+    style S1 fill:#EBEBEB,stroke:#E0E0E0
+    style M1 fill:#F2E6F5,stroke:#CB9BE1
+    style M2 fill:#F2E6F5,stroke:#CB9BE1
+    style nest0_0 fill:#F2E6F5,stroke:#CB9BE1
+    style nest0_1 fill:#EBEBEB,stroke:#E0E0E0
+    style nest0_2 fill:#EBEBEB,stroke:#E0E0E0
+    style nest0_3 fill:#EDE7F6,stroke:#9575CD
+    style nest1_0 fill:#EDE7F6,stroke:#9575CD
+    style nest1_1 fill:#EBEBEB,stroke:#E0E0E0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_357.mmd b/test/mermaid/scanned_hard/mermaid_357.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d5789778d6fd85e59ce3e42b9006b14821322187
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_357.mmd
@@ -0,0 +1,148 @@
+graph BT
+    N0([Consciousness Studies])
+    N1(Learning Mechanisms Study)
+    N2[Sleep Research]
+    N3[/Memory Formation Research/]
+    N4(Connectomics)
+    N5[/Systems Neuroscience/]
+    N6{Neurological Disorder Diagnosis}
+    N7{Drug Development for Brain Disorders}
+    N8[/Brain Mapping/]
+    N9[(Gene Therapy for Neurological Disorders)]
+    N10[[Optogenetics]]
+    N11[[Neurotransmitter Research]]
+    N12[[Motor Control Research]]
+    N13[[Synaptic Plasticity Study]]
+    N14{Pain Perception Research}
+    N15[Aging Brain Research]
+    N16[Neuroethics]
+    N17([end])
+    S0(( ))
+    S1(( ))
+    S2(( ))
+    M0(( ))
+    M1(( ))
+    M2(( ))
+    subgraph Molecular Neuroscience
+        nest0_0[Cognitive Neuroscience]
+        nest0_1(Addiction Neuroscience)
+    end
+    subgraph Genetic Basis of Brain Disorders
+        nest1_0{Developmental Neuroscience}
+        nest1_1(Electrophysiology)
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 --> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 -.-> N13
+    N13 --> |therapies_develops| N14
+    N14 --> N15
+    N15 --> N16
+    N16 --> N17
+    nest0_0 -.-> nest0_1
+    N10 -.-> nest0_0
+    nest0_1 --> N15
+    nest1_0 --> nest1_1
+    N12 -.-> nest1_0
+    nest1_1 --> N9
+    N2 -.-> S0
+    S0 -.-> N5
+    S0 -.-> N16
+    N5 -.-> S1
+    S1 --> N12
+    S1 -.-> N8
+    S1 --> N9
+    N5 -.-> S2
+    S2 -.-> N10
+    S2 --> N8
+    N5 -.-> M0
+    N1 -.-> M0
+    N2 -.-> M0
+    M0 --> N7
+    N12 -.-> M1
+    N7 -.-> M1
+    M1 -.-> N16
+    N3 -.-> M2
+    N1 --> M2
+    M2 -.-> N5
+    style N0 fill:#FFECB3,stroke:#FFC107
+    style N1 fill:#FFFDE7,stroke:#FFF176
+    style N2 fill:#FFFDE7,stroke:#FFF176
+    style N3 fill:#FFECB3,stroke:#FFC107
+    style N4 fill:#FCE4EC,stroke:#F06292
+    style N5 fill:#FCE4EC,stroke:#F06292
+    style N6 fill:#FFECB3,stroke:#FFC107
+    style N7 fill:#FCE4EC,stroke:#F06292
+    style N8 fill:#FFECB3,stroke:#FFC107
+    style N9 fill:#FCE4EC,stroke:#F06292
+    style N10 fill:#FFFDE7,stroke:#FFF176
+    style N11 fill:#FFECB3,stroke:#FFC107
+    style N12 fill:#FCE4EC,stroke:#F06292
+    style N13 fill:#FCE4EC,stroke:#F06292
+    style N14 fill:#FFECB3,stroke:#FFC107
+    style N15 fill:#FCE4EC,stroke:#F06292
+    style N16 fill:#FFFDE7,stroke:#FFF176
+    style N17 fill:#FCE4EC,stroke:#F06292
+    style S0 fill:#FCE4EC,stroke:#F06292
+    style S1 fill:#FFFDE7,stroke:#FFF176
+    style S2 fill:#FCE4EC,stroke:#F06292
+    style M0 fill:#FFECB3,stroke:#FFC107
+    style M1 fill:#FFECB3,stroke:#FFC107
+    style M2 fill:#FFECB3,stroke:#FFC107
+    style nest0_0 fill:#FFECB3,stroke:#FFC107
+    style nest0_1 fill:#FFFDE7,stroke:#FFF176
+    style nest1_0 fill:#FFECB3,stroke:#FFC107
+    style nest1_1 fill:#FCE4EC,stroke:#F06292
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 28 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 29 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 30 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 31 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 32 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 33 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 34 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 35 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 36 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 37 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 38 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 39 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 40 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 41 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 42 stroke:#FFC107,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_357.txt b/test/mermaid/scanned_hard/mermaid_357.txt
new file mode 100644
index 0000000000000000000000000000000000000000..730e7afe968ec0971eb7b6c3eb41bdda8929cdec
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_357.txt
@@ -0,0 +1,40 @@
+<Addiction Neuroscience, connectedTo, Aging Brain Research>
+<Addiction Neuroscience, partOf, Molecular Neuroscience>
+<Aging Brain Research, connectedTo, Neuroethics>
+<Brain Mapping, connectedTo, Gene Therapy for Neurological Disorders>
+<Cognitive Neuroscience, connectedTo, Addiction Neuroscience>
+<Cognitive Neuroscience, partOf, Molecular Neuroscience>
+<Connectomics, connectedTo, Systems Neuroscience>
+<Consciousness Studies, connectedTo, Learning Mechanisms Study>
+<Developmental Neuroscience, connectedTo, Electrophysiology>
+<Developmental Neuroscience, partOf, Genetic Basis of Brain Disorders>
+<Drug Development for Brain Disorders, connectedTo, Brain Mapping>
+<Drug Development for Brain Disorders, connectedTo, Neuroethics>
+<Electrophysiology, connectedTo, Gene Therapy for Neurological Disorders>
+<Electrophysiology, partOf, Genetic Basis of Brain Disorders>
+<Gene Therapy for Neurological Disorders, connectedTo, Optogenetics>
+<Learning Mechanisms Study, connectedTo, Drug Development for Brain Disorders>
+<Learning Mechanisms Study, connectedTo, Sleep Research>
+<Learning Mechanisms Study, connectedTo, Systems Neuroscience>
+<Memory Formation Research, connectedTo, Connectomics>
+<Memory Formation Research, connectedTo, Systems Neuroscience>
+<Motor Control Research, connectedTo, Developmental Neuroscience>
+<Motor Control Research, connectedTo, Neuroethics>
+<Motor Control Research, connectedTo, Synaptic Plasticity Study>
+<Neuroethics, connectedTo, end>
+<Neurological Disorder Diagnosis, connectedTo, Drug Development for Brain Disorders>
+<Neurotransmitter Research, connectedTo, Motor Control Research>
+<Optogenetics, connectedTo, Cognitive Neuroscience>
+<Optogenetics, connectedTo, Neurotransmitter Research>
+<Pain Perception Research, connectedTo, Aging Brain Research>
+<Sleep Research, connectedTo, Drug Development for Brain Disorders>
+<Sleep Research, connectedTo, Memory Formation Research>
+<Sleep Research, connectedTo, Neuroethics>
+<Sleep Research, connectedTo, Systems Neuroscience>
+<Synaptic Plasticity Study, therapies_develops, Pain Perception Research>
+<Systems Neuroscience, connectedTo, Brain Mapping>
+<Systems Neuroscience, connectedTo, Drug Development for Brain Disorders>
+<Systems Neuroscience, connectedTo, Gene Therapy for Neurological Disorders>
+<Systems Neuroscience, connectedTo, Motor Control Research>
+<Systems Neuroscience, connectedTo, Neurological Disorder Diagnosis>
+<Systems Neuroscience, connectedTo, Optogenetics>
diff --git a/test/mermaid/scanned_hard/mermaid_359.txt b/test/mermaid/scanned_hard/mermaid_359.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a77fa8cbfa41002b39139e4dafc23ead17987932
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_359.txt
@@ -0,0 +1,38 @@
+<Artificial Cells, connectedTo, Biocontainment Strategies>
+<Artificial Cells, connectedTo, DNA Storage Technologies>
+<Artificial Cells, molecules_produces, Synthetic Gene Networks>
+<Bio_computation, connectedTo, DNA Synthesis>
+<Bio_logic Gates, connectedTo, Synthetic Organism Design>
+<Bio_logic Gates, partOf, Automated Biology Workflows>
+<Bio_manufacturing, connectedTo, Microbial Factories>
+<Bio_manufacturing, connectedTo, Modular Biology Design>
+<Bio_manufacturing, connectedTo, Sustainable Chemical Production>
+<Biocontainment Strategies, connectedTo, DNA Storage Technologies>
+<Biocontainment Strategies, connectedTo, Microbial Factories>
+<Biofoundry Operations, connectedTo, Bio_computation>
+<Cellular Reprogramming, connectedTo, Modular Biology Design>
+<DNA Storage Technologies, connectedTo, Bio_manufacturing>
+<DNA Storage Technologies, connectedTo, DNA Synthesis>
+<DNA Storage Technologies, connectedTo, Synthetic Organism Design>
+<DNA Storage Technologies, connectedTo, end>
+<DNA Synthesis, connectedTo, Genetic Circuit Design>
+<Gene Synthesis Platforms, connectedTo, Microbial Factories>
+<Gene Therapy Delivery Systems, connectedTo, Artificial Cells>
+<Gene Therapy Delivery Systems, connectedTo, DNA Storage Technologies>
+<Gene Therapy Delivery Systems, connectedTo, Microbial Factories>
+<Gene Therapy Delivery Systems, systems_develops, Genome Engineering>
+<Genetic Circuit Design, connectedTo, Synthetic Organism Design>
+<Genome Engineering, connectedTo, Bio_logic Gates>
+<Genome Engineering, partOf, Automated Biology Workflows>
+<Microbial Factories, connectedTo, Biofoundry Operations>
+<Modular Biology Design, connectedTo, Gene Synthesis Platforms>
+<Novel Enzyme Creation, connectedTo, Sustainable Chemical Production>
+<Novel Enzyme Creation, partOf, Directed Evolution Automation>
+<Sustainable Chemical Production, connectedTo, Biofoundry Operations>
+<Sustainable Chemical Production, connectedTo, Cellular Reprogramming>
+<Sustainable Chemical Production, connectedTo, Genetic Circuit Design>
+<Synthetic Gene Networks, connectedTo, Novel Enzyme Creation>
+<Synthetic Gene Networks, partOf, Directed Evolution Automation>
+<Synthetic Organism Design, connectedTo, end>
+<start, connectedTo, DNA Storage Technologies>
+<start, connectedTo, Gene Therapy Delivery Systems>
diff --git a/test/mermaid/scanned_hard/mermaid_36.mmd b/test/mermaid/scanned_hard/mermaid_36.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c588f85ad154883d55a584df1dc67f021ec02fa6
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_36.mmd
@@ -0,0 +1,48 @@
+graph LR
+    N0([start])
+    N1([Vendor Managed Inventory])
+    N2([Supplier Selection])
+    N3{Transportation Management}
+    N4([Logistics Optimization])
+    N5([Resilience Planning])
+    N6(Warehouse Automation)
+    N7[/Reverse Logistics/]
+    N8[Risk Management]
+    N9[Data Analytics for Supply Chain]
+    N10([end])
+    N0 --> |forecasts| N1
+    N1 -.-> |optimizes| N2
+    N2 -.-> N3
+    N3 --> |licenses| N4
+    N4 --> |manufactures| N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 --> N10
+    N6 -.-> |complies| N5
+    N7 -.-> |secures| N3
+    style N0 fill:#D6D9F0,stroke:#9FA9E1
+    style N1 fill:#D6D9F0,stroke:#9FA9E1
+    style N2 fill:#F8FDD3,stroke:#D3EB9F
+    style N3 fill:#DED7F0,stroke:#A188DB
+    style N4 fill:#F8FDD3,stroke:#D3EB9F
+    style N5 fill:#F8FDD3,stroke:#D3EB9F
+    style N6 fill:#D6D9F0,stroke:#9FA9E1
+    style N7 fill:#F8FDD3,stroke:#D3EB9F
+    style N8 fill:#F8FDD3,stroke:#D3EB9F
+    style N9 fill:#DED7F0,stroke:#A188DB
+    style N10 fill:#D6D9F0,stroke:#9FA9E1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#9FA9E1,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_36.txt b/test/mermaid/scanned_hard/mermaid_36.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d52e586c18ccd19c7c48d205d5962bbc57cdafae
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_36.txt
@@ -0,0 +1,12 @@
+<Data Analytics for Supply Chain, connectedTo, end>
+<Logistics Optimization, manufactures, Resilience Planning>
+<Resilience Planning, connectedTo, Warehouse Automation>
+<Reverse Logistics, connectedTo, Risk Management>
+<Reverse Logistics, secures, Transportation Management>
+<Risk Management, connectedTo, Data Analytics for Supply Chain>
+<Supplier Selection, connectedTo, Transportation Management>
+<Transportation Management, licenses, Logistics Optimization>
+<Vendor Managed Inventory, optimizes, Supplier Selection>
+<Warehouse Automation, complies, Resilience Planning>
+<Warehouse Automation, connectedTo, Reverse Logistics>
+<start, forecasts, Vendor Managed Inventory>
diff --git a/test/mermaid/scanned_hard/mermaid_360.txt b/test/mermaid/scanned_hard/mermaid_360.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d8b9825a0cc83a40fc38ae6ce6adb45510ff4c11
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_360.txt
@@ -0,0 +1,28 @@
+<Data Privacy in Education, connectedTo, Educational Robotics>
+<Data Privacy in Education, partOf, Augmented Reality in Education>
+<Digital Textbooks, connectedTo, Personalized Learning Paths>
+<Digital Textbooks, partOf, Virtual Labs>
+<EdTech Hardware Solutions, connectedTo, Formative Assessment Tools>
+<Educational Data Mining, connectedTo, Digital Textbooks>
+<Educational Data Mining, partOf, Virtual Labs>
+<Educational Robotics, connectedTo, Open Educational Resources>
+<Educational Robotics, partOf, Augmented Reality in Education>
+<Formative Assessment Tools, connectedTo, Online Tutoring Platforms>
+<Formative Assessment Tools, connectedTo, Personalized Learning Paths>
+<Online Tutoring Platforms, connectedTo, Educational Data Mining>
+<Online Tutoring Platforms, partOf, Virtual Labs>
+<Open Educational Resources, connectedTo, EdTech Hardware Solutions>
+<Open Educational Resources, connectedTo, Formative Assessment Tools>
+<Open Educational Resources, connectedTo, Personalized Learning Paths>
+<Open Educational Resources, connectedTo, Teacher Training Platforms>
+<Open Educational Resources, connectedTo, Virtual Classrooms>
+<Simulations for Learning, connectedTo, EdTech Hardware Solutions>
+<Social_Emotional Learning Tools, connectedTo, Data Privacy in Education>
+<Social_Emotional Learning Tools, partOf, Augmented Reality in Education>
+<Student Performance Tracking, connectedTo, EdTech Hardware Solutions>
+<Student Performance Tracking, connectedTo, Formative Assessment Tools>
+<Student Performance Tracking, connectedTo, Open Educational Resources>
+<Teacher Training Platforms, connectedTo, Formative Assessment Tools>
+<Teacher Training Platforms, connectedTo, Simulations for Learning>
+<Virtual Classrooms, connectedTo, Social_Emotional Learning Tools>
+<Virtual Classrooms, partOf, Augmented Reality in Education>
diff --git a/test/mermaid/scanned_hard/mermaid_38.mmd b/test/mermaid/scanned_hard/mermaid_38.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ef009b0ea0935ab158c08c5e9256d2d3663e1059
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_38.mmd
@@ -0,0 +1,40 @@
+graph RL
+    N0([Marine Safety Inspection])
+    N1(Dry Docking)
+    N2[/Marine Insurance/]
+    N3[/Voyage Optimization/]
+    N4[/Port Operations/]
+    N5(Fleet Management)
+    N6[(Container Tracking)]
+    N7{Customs Clearance}
+    N8([end])
+    N0 -.-> |manages| N1
+    N1 -.-> N2
+    N2 --> |routes| N3
+    N3 --> |complies| N4
+    N4 -.-> N5
+    N5 --> |communicates| N6
+    N6 -.-> |secures| N7
+    N7 --> |docks| N8
+    N0 --> N7
+    N0 --> N8
+    style N0 fill:#F8BBD0,stroke:#E91E63
+    style N1 fill:#BBDEFB,stroke:#2196F3
+    style N2 fill:#BBDEFB,stroke:#2196F3
+    style N3 fill:#F8BBD0,stroke:#E91E63
+    style N4 fill:#F8BBD0,stroke:#E91E63
+    style N5 fill:#F8BBD0,stroke:#E91E63
+    style N6 fill:#F8BBD0,stroke:#E91E63
+    style N7 fill:#F8BBD0,stroke:#E91E63
+    style N8 fill:#BBDEFB,stroke:#2196F3
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_38.txt b/test/mermaid/scanned_hard/mermaid_38.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9d8b1a9a469fa62152efc4a65c7113e7820c458e
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_38.txt
@@ -0,0 +1,10 @@
+<Container Tracking, secures, Customs Clearance>
+<Customs Clearance, docks, end>
+<Dry Docking, connectedTo, Marine Insurance>
+<Fleet Management, communicates, Container Tracking>
+<Marine Insurance, routes, Voyage Optimization>
+<Marine Safety Inspection, connectedTo, Customs Clearance>
+<Marine Safety Inspection, connectedTo, end>
+<Marine Safety Inspection, manages, Dry Docking>
+<Port Operations, connectedTo, Fleet Management>
+<Voyage Optimization, complies, Port Operations>
diff --git a/test/mermaid/scanned_hard/mermaid_4.mmd b/test/mermaid/scanned_hard/mermaid_4.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..6d5b2307cf0fcc8348d505ccfad89b6129aba6c5
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_4.mmd
@@ -0,0 +1,31 @@
+graph LR
+    N0([start])
+    N1(Digital Resource Management)
+    N2[(Student Enrollment)]
+    N3[(Student Application)]
+    N4[Document Verification]
+    N5[/Student Feedback Collection/]
+    N6[Curriculum Development]
+    N7(Exam Conduct)
+    N8([end])
+    N0 --> N1
+    N1 -.-> |yes| N2
+    N2 -.-> |yes| N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> |no| N6
+    N6 -.-> |yes| N7
+    N7 --> N8
+    N1 --> |no| N7
+    N4 -.-> N7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_4.txt b/test/mermaid/scanned_hard/mermaid_4.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4b158b201e7b10b949e7271eab027994e20f3c10
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_4.txt
@@ -0,0 +1,10 @@
+<Curriculum Development, yes, Exam Conduct>
+<Digital Resource Management, no, Exam Conduct>
+<Digital Resource Management, yes, Student Enrollment>
+<Document Verification, connectedTo, Exam Conduct>
+<Document Verification, connectedTo, Student Feedback Collection>
+<Exam Conduct, connectedTo, end>
+<Student Application, connectedTo, Document Verification>
+<Student Enrollment, yes, Student Application>
+<Student Feedback Collection, no, Curriculum Development>
+<start, connectedTo, Digital Resource Management>
diff --git a/test/mermaid/scanned_hard/mermaid_40.mmd b/test/mermaid/scanned_hard/mermaid_40.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..399a21eecdd2b7c2db666fbeb99f2526ed54ecb5
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_40.mmd
@@ -0,0 +1,52 @@
+graph LR
+    N0([Climate Education Programs])
+    N1[[Climate Finance Tracking]]
+    N2([Water Resource Management under Climate Change])
+    N3([Ecological Footprint Calculation])
+    N4[Sea Level Rise Projection]
+    N5[(Aerosol Impact Assessment)]
+    N6[/Ice Sheet Dynamics/]
+    N7[Solar Radiation Management Research]
+    N8[Cloud Formation Research]
+    N9([Renewable Energy Potential Assessment])
+    N10[Climate Impact Assessment]
+    N11([end])
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> |models| N4
+    N4 -.-> |influences| N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> |resilience| N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> |forecasts| N11
+    N0 -.-> |attributes| N11
+    N7 -.-> |simulates| N1
+    style N0 fill:#DED7F0,stroke:#A188DB
+    style N1 fill:#E3F2FD,stroke:#64B5F6
+    style N2 fill:#DED7F0,stroke:#A188DB
+    style N3 fill:#FFDAB9,stroke:#FFC085
+    style N4 fill:#FFDAB9,stroke:#FFC085
+    style N5 fill:#DED7F0,stroke:#A188DB
+    style N6 fill:#FFDAB9,stroke:#FFC085
+    style N7 fill:#DED7F0,stroke:#A188DB
+    style N8 fill:#FFDAB9,stroke:#FFC085
+    style N9 fill:#DED7F0,stroke:#A188DB
+    style N10 fill:#FFDAB9,stroke:#FFC085
+    style N11 fill:#DED7F0,stroke:#A188DB
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFC085,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_40.txt b/test/mermaid/scanned_hard/mermaid_40.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8ad2790914e9a2ab55404008aa1e003e60196bb1
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_40.txt
@@ -0,0 +1,13 @@
+<Aerosol Impact Assessment, connectedTo, Ice Sheet Dynamics>
+<Climate Education Programs, attributes, end>
+<Climate Education Programs, connectedTo, Climate Finance Tracking>
+<Climate Finance Tracking, connectedTo, Water Resource Management under Climate Change>
+<Climate Impact Assessment, forecasts, end>
+<Cloud Formation Research, connectedTo, Renewable Energy Potential Assessment>
+<Ecological Footprint Calculation, models, Sea Level Rise Projection>
+<Ice Sheet Dynamics, connectedTo, Solar Radiation Management Research>
+<Renewable Energy Potential Assessment, connectedTo, Climate Impact Assessment>
+<Sea Level Rise Projection, influences, Aerosol Impact Assessment>
+<Solar Radiation Management Research, resilience, Cloud Formation Research>
+<Solar Radiation Management Research, simulates, Climate Finance Tracking>
+<Water Resource Management under Climate Change, connectedTo, Ecological Footprint Calculation>
diff --git a/test/mermaid/scanned_hard/mermaid_41.txt b/test/mermaid/scanned_hard/mermaid_41.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a5af01664a9bee0bf64e2c8376681a6f03ecfb4c
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_41.txt
@@ -0,0 +1,9 @@
+<Agricultural Weather Advisory, connectedTo, Arctic Weather Research>
+<Agricultural Weather Advisory, connectedTo, Snowfall Measurement>
+<Arctic Weather Research, receives, Cloud Observation>
+<Climate Change Impact Study, connectedTo, Agricultural Weather Advisory>
+<Cloud Observation, generates, Weather Forecasting>
+<Cloud Observation, supports, Snowfall Measurement>
+<Public Weather Briefing, connectedTo, Weather Forecasting>
+<Snowfall Measurement, monitors, end>
+<Weather Forecasting, transmits, Climate Change Impact Study>
diff --git a/test/mermaid/scanned_hard/mermaid_42.txt b/test/mermaid/scanned_hard/mermaid_42.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2c9d2422be6bd23c9bdfc6fd9167e822b96d07fb
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_42.txt
@@ -0,0 +1,8 @@
+<Biomedical Waste Handling, connectedTo, Textile Recycling>
+<Construction and Demolition Waste Management, transports, end>
+<Industrial Waste Management, connectedTo, Waste Audit>
+<Landfill Gas Collection, connectedTo, Biomedical Waste Handling>
+<Textile Recycling, connectedTo, Waste Compaction>
+<Waste Audit, collects, Construction and Demolition Waste Management>
+<Waste Compaction, connectedTo, Landfill Gas Collection>
+<Waste Compaction, educates, Industrial Waste Management>
diff --git a/test/mermaid/scanned_hard/mermaid_43.txt b/test/mermaid/scanned_hard/mermaid_43.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8bc821713da83003b5d764d37f7ac87218a4521e
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_43.txt
@@ -0,0 +1,12 @@
+<Climate Change Adaptation for Water, recycles, Water Distribution>
+<Dam Management, connectedTo, Water Meter Reading>
+<Flood Control, connectedTo, Water Conservation Planning>
+<Hydrological Modeling, irrigates, Water Rights Management>
+<Piping Network Repair, connectedTo, Water Scarcity Mitigation>
+<Wastewater Collection, connectedTo, Flood Control>
+<Water Conservation Planning, reports, Flood Control>
+<Water Distribution, connectedTo, Piping Network Repair>
+<Water Distribution, connectedTo, Wastewater Collection>
+<Water Meter Reading, constructs, Climate Change Adaptation for Water>
+<Water Rights Management, predicts, Piping Network Repair>
+<Water Scarcity Mitigation, warns, Dam Management>
diff --git a/test/mermaid/scanned_hard/mermaid_44.mmd b/test/mermaid/scanned_hard/mermaid_44.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..9982f1822118dca21b438dd1bc65e5f5b293047a
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_44.mmd
@@ -0,0 +1,50 @@
+graph TD
+    N0([start])
+    N1[/Recycling Market Development/]
+    N2(Plastic Recycling)
+    N3[Tyre Recycling]
+    N4(Recycling Facility Optimization)
+    N5[Waste Audit for Recycling]
+    N6[Construction Waste Recycling]
+    N7(Composting Organic Waste)
+    N8(Electronic Waste Recycling)
+    N9[/Reprocessing into Raw Material/]
+    N10[/New Product Manufacturing/]
+    N11([end])
+    N0 -.-> N1
+    N1 --> |reports| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> |tracks| N6
+    N6 -.-> |complies| N7
+    N7 --> |educates| N8
+    N8 -.-> |tests| N9
+    N9 -.-> |enforces| N10
+    N10 --> N11
+    N6 -.-> N5
+    style N0 fill:#FAEBF3,stroke:#F7BEE0
+    style N1 fill:#FAEBF3,stroke:#F7BEE0
+    style N2 fill:#FAEBF3,stroke:#F7BEE0
+    style N3 fill:#FAEBF3,stroke:#F7BEE0
+    style N4 fill:#FAEBF3,stroke:#F7BEE0
+    style N5 fill:#D1C4E9,stroke:#7E57C2
+    style N6 fill:#FFFAE0,stroke:#FFE470
+    style N7 fill:#FAEBF3,stroke:#F7BEE0
+    style N8 fill:#FFFAE0,stroke:#FFE470
+    style N9 fill:#FFFAE0,stroke:#FFE470
+    style N10 fill:#FAEBF3,stroke:#F7BEE0
+    style N11 fill:#FAEBF3,stroke:#F7BEE0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_47.mmd b/test/mermaid/scanned_hard/mermaid_47.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ab8732ef6d583171703a9667e32922d0a2e8c518
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_47.mmd
@@ -0,0 +1,52 @@
+graph BT
+    N0([Infant Care])
+    N1(After_School Programs)
+    N2[/Child Psychology Application/]
+    N3{Staff Training and Certification}
+    N4[[Curriculum Planning]]
+    N5[Sensory Play]
+    N6[(Child Protection Policies)]
+    N7[(Safety Supervision)]
+    N8(Outdoor Exploration)
+    N9[Parent_Teacher Conferences]
+    N10(Toddler Activities)
+    N11([end])
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> |guides| N3
+    N3 --> |transports| N4
+    N4 -.-> |licenses| N5
+    N5 -.-> N6
+    N6 -.-> |prepares| N7
+    N7 -.-> |educates| N8
+    N8 -.-> N9
+    N9 --> |complies| N10
+    N10 --> |inspects| N11
+    N2 --> |manages| N7
+    N8 -.-> N5
+    style N0 fill:#F8BBD0,stroke:#E91E63
+    style N1 fill:#FFFDE7,stroke:#FFF176
+    style N2 fill:#F8BBD0,stroke:#E91E63
+    style N3 fill:#EBEBEB,stroke:#E0E0E0
+    style N4 fill:#F8BBD0,stroke:#E91E63
+    style N5 fill:#F8BBD0,stroke:#E91E63
+    style N6 fill:#FFFDE7,stroke:#FFF176
+    style N7 fill:#F8BBD0,stroke:#E91E63
+    style N8 fill:#FFFDE7,stroke:#FFF176
+    style N9 fill:#EBEBEB,stroke:#E0E0E0
+    style N10 fill:#EBEBEB,stroke:#E0E0E0
+    style N11 fill:#EBEBEB,stroke:#E0E0E0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_47.txt b/test/mermaid/scanned_hard/mermaid_47.txt
new file mode 100644
index 0000000000000000000000000000000000000000..65b7458f469fc7fd94088e6951ea456d8f01bc68
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_47.txt
@@ -0,0 +1,13 @@
+<After_School Programs, connectedTo, Child Psychology Application>
+<Child Protection Policies, prepares, Safety Supervision>
+<Child Psychology Application, guides, Staff Training and Certification>
+<Child Psychology Application, manages, Safety Supervision>
+<Curriculum Planning, licenses, Sensory Play>
+<Infant Care, connectedTo, After_School Programs>
+<Outdoor Exploration, connectedTo, Parent_Teacher Conferences>
+<Outdoor Exploration, connectedTo, Sensory Play>
+<Parent_Teacher Conferences, complies, Toddler Activities>
+<Safety Supervision, educates, Outdoor Exploration>
+<Sensory Play, connectedTo, Child Protection Policies>
+<Staff Training and Certification, transports, Curriculum Planning>
+<Toddler Activities, inspects, end>
diff --git a/test/mermaid/scanned_hard/mermaid_48.txt b/test/mermaid/scanned_hard/mermaid_48.txt
new file mode 100644
index 0000000000000000000000000000000000000000..82eed772ea4baf4b251354619eda6aa0708c8b17
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_48.txt
@@ -0,0 +1,10 @@
+<Companionship, guides, Meal Preparation>
+<Companionship, manages, Long_Term Care Planning>
+<Health Monitoring, connectedTo, Personal Care Assistance>
+<Long_Term Care Planning, engages, Medication Management>
+<Meal Preparation, connectedTo, end>
+<Medication Management, connectedTo, Safety Assessments>
+<Occupational Therapy, optimizes, Meal Preparation>
+<Personal Care Assistance, connectedTo, Companionship>
+<Safety Assessments, connectedTo, Occupational Therapy>
+<Speech Therapy, educates, Health Monitoring>
diff --git a/test/mermaid/scanned_hard/mermaid_49.mmd b/test/mermaid/scanned_hard/mermaid_49.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..deb4d088464a3f2127204a49f4cc3a043190fdbf
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_49.mmd
@@ -0,0 +1,52 @@
+graph RL
+    N0([Risk Assessment])
+    N1{Mitigation Strategies}
+    N2[[Post_Disaster Evaluation]]
+    N3{Drone Deployment for Assessment}
+    N4([Medical Aid Deployment])
+    N5(Public Awareness Campaigns)
+    N6(Reconstruction)
+    N7[Emergency Response]
+    N8[(Emergency Drills and Exercises)]
+    N9[/Evacuation Procedures/]
+    N10[(Volunteer Coordination)]
+    N11([Cash Transfer Programs])
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> |simulates| N4
+    N4 --> |supports| N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> |analyzes| N8
+    N8 --> |provides| N9
+    N9 -.-> |responds| N10
+    N10 -.-> |monitors| N11
+    N7 -.-> |identifies| N6
+    N2 -.-> N10
+    style N0 fill:#FFCCBC,stroke:#FF5722
+    style N1 fill:#FFCCBC,stroke:#FF5722
+    style N2 fill:#ECCFF5,stroke:#CD8FF2
+    style N3 fill:#FFCCBC,stroke:#FF5722
+    style N4 fill:#D6D9F0,stroke:#9FA9E1
+    style N5 fill:#FFCCBC,stroke:#FF5722
+    style N6 fill:#D6D9F0,stroke:#9FA9E1
+    style N7 fill:#ECCFF5,stroke:#CD8FF2
+    style N8 fill:#D6D9F0,stroke:#9FA9E1
+    style N9 fill:#ECCFF5,stroke:#CD8FF2
+    style N10 fill:#FFCCBC,stroke:#FF5722
+    style N11 fill:#FFCCBC,stroke:#FF5722
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#CD8FF2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_49.txt b/test/mermaid/scanned_hard/mermaid_49.txt
new file mode 100644
index 0000000000000000000000000000000000000000..93c3dc51889bf094249b316775766521130adadb
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_49.txt
@@ -0,0 +1,13 @@
+<Drone Deployment for Assessment, simulates, Medical Aid Deployment>
+<Emergency Drills and Exercises, provides, Evacuation Procedures>
+<Emergency Response, analyzes, Emergency Drills and Exercises>
+<Emergency Response, identifies, Reconstruction>
+<Evacuation Procedures, responds, Volunteer Coordination>
+<Medical Aid Deployment, supports, Public Awareness Campaigns>
+<Mitigation Strategies, connectedTo, Post_Disaster Evaluation>
+<Post_Disaster Evaluation, connectedTo, Drone Deployment for Assessment>
+<Post_Disaster Evaluation, connectedTo, Volunteer Coordination>
+<Public Awareness Campaigns, connectedTo, Reconstruction>
+<Reconstruction, connectedTo, Emergency Response>
+<Risk Assessment, connectedTo, Mitigation Strategies>
+<Volunteer Coordination, monitors, Cash Transfer Programs>
diff --git a/test/mermaid/scanned_hard/mermaid_5.mmd b/test/mermaid/scanned_hard/mermaid_5.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..fa3f61300eb47eb384e16849d0a1529b5726adf0
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_5.mmd
@@ -0,0 +1,44 @@
+graph BT
+    N0([Marketing Campaign Launch])
+    N1([Promotion Application])
+    N2(Wishlist Management)
+    N3[Price Adjustment]
+    N4[Gift Card Purchase]
+    N5[[Checkout]]
+    N6[Live Chat Support]
+    N7{Invoice Generation}
+    N8[[Social Media Integration]]
+    N9([Up_selling Offer])
+    N0 -.-> N1
+    N1 -.-> |routes| N2
+    N2 --> |processes| N3
+    N3 -.-> |pays| N4
+    N4 --> |validates| N5
+    N5 -.-> |delivers| N6
+    N6 -.-> |recommends| N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N2
+    N3 -.-> N5
+    style N0 fill:#D0EFEE,stroke:#73C6BC
+    style N1 fill:#D0EFEE,stroke:#73C6BC
+    style N2 fill:#D0EFEE,stroke:#73C6BC
+    style N3 fill:#FFFDE7,stroke:#FBC02D
+    style N4 fill:#D0EFEE,stroke:#73C6BC
+    style N5 fill:#D0EFEE,stroke:#73C6BC
+    style N6 fill:#FFFDE7,stroke:#FBC02D
+    style N7 fill:#ECF0FD,stroke:#B8C0F5
+    style N8 fill:#FFFDE7,stroke:#FBC02D
+    style N9 fill:#ECF0FD,stroke:#B8C0F5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_5.txt b/test/mermaid/scanned_hard/mermaid_5.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cd0f97ecd6643e6979634e6fc7668813ffb519c2
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_5.txt
@@ -0,0 +1,11 @@
+<Checkout, delivers, Live Chat Support>
+<Gift Card Purchase, validates, Checkout>
+<Invoice Generation, connectedTo, Social Media Integration>
+<Live Chat Support, recommends, Invoice Generation>
+<Marketing Campaign Launch, connectedTo, Promotion Application>
+<Price Adjustment, connectedTo, Checkout>
+<Price Adjustment, pays, Gift Card Purchase>
+<Promotion Application, routes, Wishlist Management>
+<Social Media Integration, connectedTo, Up_selling Offer>
+<Up_selling Offer, connectedTo, Wishlist Management>
+<Wishlist Management, processes, Price Adjustment>
diff --git a/test/mermaid/scanned_hard/mermaid_51.txt b/test/mermaid/scanned_hard/mermaid_51.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e6aa6a6572f501a6357cb73fb4455364f5a3d7db
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_51.txt
@@ -0,0 +1,12 @@
+<Air Cargo Logistics, secures, Delay Management>
+<Airport Operations, connectedTo, Fueling Operations>
+<Baggage Handling, routes, Passenger Check_in>
+<Delay Management, manages, Route Optimization>
+<Emergency Procedures Training, connectedTo, Unmanned Aerial Vehicle Integration>
+<Fueling Operations, connectedTo, Pilot Training>
+<Next_Generation Air Traffic Management, connectedTo, end>
+<Next_Generation Air Traffic Management, inspects, Airport Operations>
+<Passenger Check_in, services, Next_Generation Air Traffic Management>
+<Pilot Training, connectedTo, Baggage Handling>
+<Route Optimization, departs, Emergency Procedures Training>
+<Unmanned Aerial Vehicle Integration, integrates, Airport Operations>
diff --git a/test/mermaid/scanned_hard/mermaid_53.txt b/test/mermaid/scanned_hard/mermaid_53.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e439131891259cbbd805a5b3a95afb482504552b
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_53.txt
@@ -0,0 +1,8 @@
+<4D Printing, connectedTo, Distributed Manufacturing>
+<4D Printing, connectedTo, Prototyping>
+<Direct Metal Laser Sintering, no, On_Demand Production>
+<Distributed Manufacturing, yes, Direct Metal Laser Sintering>
+<On_Demand Production, connectedTo, end>
+<Print Farm Management, no, Prototyping>
+<Prototyping, yes, 4D Printing>
+<start, yes, Print Farm Management>
diff --git a/test/mermaid/scanned_hard/mermaid_54.mmd b/test/mermaid/scanned_hard/mermaid_54.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b5c164ec1a30ac940a472f7c9f934a0aea362bd7
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_54.mmd
@@ -0,0 +1,37 @@
+graph BT
+    N0([start])
+    N1(Surface Functionalization)
+    N2{Bio_Nanotechnology Interface}
+    N3[Lab_on_a_Chip Devices]
+    N4[Nanomaterial Synthesis]
+    N5[Computational Nanotechnology]
+    N6(Environmental Remediation with Nanomaterials)
+    N7([Nanoparticle Characterization])
+    N8(Nanodevice Fabrication)
+    N9([Nanosensors])
+    N10([end])
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> |no| N4
+    N4 -.-> |yes| N5
+    N5 --> N6
+    N6 -.-> |yes| N7
+    N7 --> |no| N8
+    N8 --> |no| N9
+    N9 --> |no| N10
+    N10 --> N6
+    N5 --> |no| N7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#73C6BC,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_55.txt b/test/mermaid/scanned_hard/mermaid_55.txt
new file mode 100644
index 0000000000000000000000000000000000000000..38709766889b7be91a9c431c03c5479ce415eb7f
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_55.txt
@@ -0,0 +1,10 @@
+<Laser Cooling for Ions, connectedTo, Superconducting Qubits>
+<Quantum Advantage Demonstration, yes, end>
+<Quantum Computing Education, connectedTo, Quantum Sensing>
+<Quantum Computing for AI, yes, Quantum Processor Fabrication>
+<Quantum Processor Fabrication, no, Laser Cooling for Ions>
+<Quantum Sensing, connectedTo, Quantum Advantage Demonstration>
+<Quantum Supremacy Claims, yes, Quantum Computing Education>
+<Superconducting Qubits, no, Quantum Supremacy Claims>
+<start, connectedTo, Quantum Computing for AI>
+<start, connectedTo, end>
diff --git a/test/mermaid/scanned_hard/mermaid_56.mmd b/test/mermaid/scanned_hard/mermaid_56.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ba6e1d1003510d251e9749f8f8eb4ae5f783e314
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_56.mmd
@@ -0,0 +1,26 @@
+graph BT
+    N0([start])
+    N1(Remote Collaboration Tools)
+    N2[[Content Creation for AR or VR]]
+    N3[[Facial Recognition in AR or VR]]
+    N4{Eye Tracking}
+    N5[/Field of View Optimization/]
+    N6[Virtual Reality Game Development]
+    N7([end])
+    N0 -.-> |yes| N1
+    N1 --> N2
+    N2 --> |yes| N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> |yes| N6
+    N6 --> |no| N7
+    N7 -.-> |yes| N1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_58.mmd b/test/mermaid/scanned_hard/mermaid_58.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..543f01afe8559eb6b55c7414a6a079a17db29fea
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_58.mmd
@@ -0,0 +1,40 @@
+graph TD
+    N0([start])
+    N1([Arrangement])
+    N2([Sampling])
+    N3[Streaming Platform Management]
+    N4[[Music Festival Organization]]
+    N5[[Instrumental Performance]]
+    N6[Music Therapy]
+    N7(Music Video Production)
+    N8([Ticketing])
+    N0 --> |engineers| N1
+    N1 --> N2
+    N2 -.-> |funds| N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> |sings| N8
+    N8 -.-> |transcribes| N5
+    N0 --> |performs| N5
+    style N0 fill:#F9FBE7,stroke:#DCE775
+    style N1 fill:#F9FBE7,stroke:#DCE775
+    style N2 fill:#FFDAB9,stroke:#FFC085
+    style N3 fill:#F9FBE7,stroke:#DCE775
+    style N4 fill:#E8F0FF,stroke:#A2D0FF
+    style N5 fill:#E8F0FF,stroke:#A2D0FF
+    style N6 fill:#FFDAB9,stroke:#FFC085
+    style N7 fill:#F9FBE7,stroke:#DCE775
+    style N8 fill:#FFDAB9,stroke:#FFC085
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_58.txt b/test/mermaid/scanned_hard/mermaid_58.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e5352af7e6bb991a20632e6f96868a351a44957f
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_58.txt
@@ -0,0 +1,10 @@
+<Arrangement, connectedTo, Sampling>
+<Instrumental Performance, connectedTo, Music Therapy>
+<Music Festival Organization, connectedTo, Instrumental Performance>
+<Music Therapy, connectedTo, Music Video Production>
+<Music Video Production, sings, Ticketing>
+<Sampling, funds, Streaming Platform Management>
+<Streaming Platform Management, connectedTo, Music Festival Organization>
+<Ticketing, transcribes, Instrumental Performance>
+<start, engineers, Arrangement>
+<start, performs, Instrumental Performance>
diff --git a/test/mermaid/scanned_hard/mermaid_6.mmd b/test/mermaid/scanned_hard/mermaid_6.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5a84b4c66339a14ad657a04af96aaeaeec59827b
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_6.mmd
@@ -0,0 +1,42 @@
+graph TD
+    N0([start])
+    N1[Luggage Handling]
+    N2[Intermodal Transfer]
+    N3[/Location Input/]
+    N4[Incident Report]
+    N5(Road Network Management)
+    N6(Public Transport Ticketing)
+    N7[Security Check]
+    N8[(Passenger Feedback)]
+    N9([Tunnel Monitoring])
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> |updates| N4
+    N4 -.-> |diversifies| N5
+    N5 --> |dispatches| N6
+    N6 --> |repairs| N7
+    N7 --> N8
+    N8 --> |plans| N9
+    N6 --> N2
+    style N0 fill:#ECCFF5,stroke:#CD8FF2
+    style N1 fill:#ECCFF5,stroke:#CD8FF2
+    style N2 fill:#B2EBF2,stroke:#00BCD4
+    style N3 fill:#FFE0B2,stroke:#FF9800
+    style N4 fill:#ECCFF5,stroke:#CD8FF2
+    style N5 fill:#ECCFF5,stroke:#CD8FF2
+    style N6 fill:#FFE0B2,stroke:#FF9800
+    style N7 fill:#FFE0B2,stroke:#FF9800
+    style N8 fill:#FFE0B2,stroke:#FF9800
+    style N9 fill:#ECCFF5,stroke:#CD8FF2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_6.txt b/test/mermaid/scanned_hard/mermaid_6.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e9f782819a6ab4d6e308eeb010125e7117ff9cdb
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_6.txt
@@ -0,0 +1,10 @@
+<Incident Report, diversifies, Road Network Management>
+<Intermodal Transfer, connectedTo, Location Input>
+<Location Input, updates, Incident Report>
+<Luggage Handling, connectedTo, Intermodal Transfer>
+<Passenger Feedback, plans, Tunnel Monitoring>
+<Public Transport Ticketing, connectedTo, Intermodal Transfer>
+<Public Transport Ticketing, repairs, Security Check>
+<Road Network Management, dispatches, Public Transport Ticketing>
+<Security Check, connectedTo, Passenger Feedback>
+<start, connectedTo, Luggage Handling>
diff --git a/test/mermaid/scanned_hard/mermaid_61.mmd b/test/mermaid/scanned_hard/mermaid_61.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1a7467020cc5b92656b3b7282dbaab9538f16c25
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_61.mmd
@@ -0,0 +1,46 @@
+graph LR
+    N0([Sales Performance Analysis])
+    N1(Dashboard Creation)
+    N2[/HR Data Analytics/]
+    N3{Cloud_based Data Platforms}
+    N4[[Data Pipeline Development]]
+    N5([Statistical Modeling])
+    N6{Predictive Analytics}
+    N7{Data Transformation}
+    N8(Data Collection)
+    N9[/Exploratory Data Analysis/]
+    N10([end])
+    N0 --> N1
+    N1 -.-> |supports| N2
+    N2 --> |extracts| N3
+    N3 --> |transforms| N4
+    N4 --> |educates| N5
+    N5 -.-> |shares| N6
+    N6 --> N7
+    N7 --> |measures| N8
+    N8 -.-> |implements| N9
+    N9 -.-> N10
+    N5 --> N8
+    style N0 fill:#E0F7FA,stroke:#00BCD4
+    style N1 fill:#E9F7E8,stroke:#6EB76D
+    style N2 fill:#E0F7FA,stroke:#00BCD4
+    style N3 fill:#C9F0F0,stroke:#4DD0E1
+    style N4 fill:#E0F7FA,stroke:#00BCD4
+    style N5 fill:#E9F7E8,stroke:#6EB76D
+    style N6 fill:#C9F0F0,stroke:#4DD0E1
+    style N7 fill:#C9F0F0,stroke:#4DD0E1
+    style N8 fill:#E9F7E8,stroke:#6EB76D
+    style N9 fill:#C9F0F0,stroke:#4DD0E1
+    style N10 fill:#E0F7FA,stroke:#00BCD4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#6EB76D,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_61.txt b/test/mermaid/scanned_hard/mermaid_61.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4233823795c53773b3e4bfc07ea63a1c39ddade2
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_61.txt
@@ -0,0 +1,11 @@
+<Cloud_based Data Platforms, transforms, Data Pipeline Development>
+<Dashboard Creation, supports, HR Data Analytics>
+<Data Collection, implements, Exploratory Data Analysis>
+<Data Pipeline Development, educates, Statistical Modeling>
+<Data Transformation, measures, Data Collection>
+<Exploratory Data Analysis, connectedTo, end>
+<HR Data Analytics, extracts, Cloud_based Data Platforms>
+<Predictive Analytics, connectedTo, Data Transformation>
+<Sales Performance Analysis, connectedTo, Dashboard Creation>
+<Statistical Modeling, connectedTo, Data Collection>
+<Statistical Modeling, shares, Predictive Analytics>
diff --git a/test/mermaid/scanned_hard/mermaid_64.mmd b/test/mermaid/scanned_hard/mermaid_64.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ac98f9db20a883869e290721e5b3bd7f3ab1f5d2
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_64.mmd
@@ -0,0 +1,52 @@
+graph TD
+    N0([Campaign Planning])
+    N1[(Psychographic Targeting)]
+    N2(Outdoor Advertising)
+    N3[[Fraud Detection in Ads]]
+    N4{Ad Creative Development}
+    N5{Performance Tracking}
+    N6{Search Engine Ads}
+    N7[[Programmatic Advertising]]
+    N8[/Ad Placement Optimization/]
+    N9[Radio Advertising]
+    N10(Direct Response Campaigns)
+    N11([end])
+    N0 -.-> |drives conversions| N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> |generates responses| N4
+    N4 -.-> |tracks performance| N5
+    N5 -.-> |print advertising| N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> |manages ad networks| N9
+    N9 -.-> |outdoor ads| N10
+    N10 -.-> |A or B tests creatives| N11
+    N0 -.-> N6
+    N9 -.-> |plans campaigns| N11
+    style N0 fill:#FFCCBC,stroke:#FF5722
+    style N1 fill:#FFCCBC,stroke:#FF5722
+    style N2 fill:#FFCCBC,stroke:#FF5722
+    style N3 fill:#FFCCBC,stroke:#FF5722
+    style N4 fill:#FFEBEE,stroke:#E57373
+    style N5 fill:#FFEBEE,stroke:#E57373
+    style N6 fill:#FFCCBC,stroke:#FF5722
+    style N7 fill:#FFEBEE,stroke:#E57373
+    style N8 fill:#E0F7FA,stroke:#00BCD4
+    style N9 fill:#FFCCBC,stroke:#FF5722
+    style N10 fill:#FFCCBC,stroke:#FF5722
+    style N11 fill:#FFEBEE,stroke:#E57373
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#E57373,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_64.txt b/test/mermaid/scanned_hard/mermaid_64.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e8dbc01104f4ca906a70cc1b44d0b090583a5401
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_64.txt
@@ -0,0 +1,13 @@
+<Ad Creative Development, tracks performance, Performance Tracking>
+<Ad Placement Optimization, manages ad networks, Radio Advertising>
+<Campaign Planning, connectedTo, Search Engine Ads>
+<Campaign Planning, drives conversions, Psychographic Targeting>
+<Direct Response Campaigns, A or B tests creatives, end>
+<Fraud Detection in Ads, generates responses, Ad Creative Development>
+<Outdoor Advertising, connectedTo, Fraud Detection in Ads>
+<Performance Tracking, print advertising, Search Engine Ads>
+<Programmatic Advertising, connectedTo, Ad Placement Optimization>
+<Psychographic Targeting, connectedTo, Outdoor Advertising>
+<Radio Advertising, outdoor ads, Direct Response Campaigns>
+<Radio Advertising, plans campaigns, end>
+<Search Engine Ads, connectedTo, Programmatic Advertising>
diff --git a/test/mermaid/scanned_hard/mermaid_65.mmd b/test/mermaid/scanned_hard/mermaid_65.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..31f981d9392b632e7a1fa4927427c681d974a834
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_65.mmd
@@ -0,0 +1,38 @@
+graph TD
+    N0([start])
+    N1(Smart Contract Development)
+    N2[/Transaction Verification/]
+    N3[Cryptographic Hashing]
+    N4([Identity Verification on Blockchain])
+    N5(Security Token Offerings)
+    N6[/Digital Identity Management/]
+    N7(Oracles Integration)
+    N8(Intellectual Property Management)
+    N9{Initial Coin Offerings}
+    N10[Healthcare Data Management]
+    N11([end])
+    N0 --> |no| N1
+    N1 --> N2
+    N2 --> |no| N3
+    N3 --> |yes| N4
+    N4 --> N5
+    N5 --> |yes| N6
+    N6 --> |yes| N7
+    N7 --> |no| N8
+    N8 -.-> N9
+    N9 --> |yes| N10
+    N10 --> N11
+    N11 -.-> N6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#6EB76D,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_65.txt b/test/mermaid/scanned_hard/mermaid_65.txt
new file mode 100644
index 0000000000000000000000000000000000000000..19f947984d39db589ec3793ae862b72660b35893
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_65.txt
@@ -0,0 +1,12 @@
+<Cryptographic Hashing, yes, Identity Verification on Blockchain>
+<Digital Identity Management, yes, Oracles Integration>
+<Healthcare Data Management, connectedTo, end>
+<Identity Verification on Blockchain, connectedTo, Security Token Offerings>
+<Initial Coin Offerings, yes, Healthcare Data Management>
+<Intellectual Property Management, connectedTo, Initial Coin Offerings>
+<Oracles Integration, no, Intellectual Property Management>
+<Security Token Offerings, yes, Digital Identity Management>
+<Smart Contract Development, connectedTo, Transaction Verification>
+<Transaction Verification, no, Cryptographic Hashing>
+<end, connectedTo, Digital Identity Management>
+<start, no, Smart Contract Development>
diff --git a/test/mermaid/scanned_hard/mermaid_66.txt b/test/mermaid/scanned_hard/mermaid_66.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4c66c947e970577e1f0d2594cc5819c34b530ae1
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_66.txt
@@ -0,0 +1,11 @@
+<Blockchain Explorers, analyzes markets, end>
+<Cryptocurrency Trading Bots, connectedTo, KYC or AML Procedures>
+<Hot Wallet Security, secures private keys, Venture Capital Funding>
+<KYC or AML Procedures, connectedTo, Token Generation Event>
+<Key Management, audits security, Cryptocurrency Trading Bots>
+<Smart Contract Auditing, operates protocols, Key Management>
+<Token Generation Event, connectedTo, Wallet Development>
+<Venture Capital Funding, connectedTo, Blockchain Explorers>
+<Wallet Development, connectedTo, Blockchain Explorers>
+<Wallet Development, distributes airdrops, Hot Wallet Security>
+<end, stores keys, Cryptocurrency Trading Bots>
diff --git a/test/mermaid/scanned_hard/mermaid_67.mmd b/test/mermaid/scanned_hard/mermaid_67.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..12f596242565e4e47bc86b511daf7eeb06291f05
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_67.mmd
@@ -0,0 +1,52 @@
+graph TD
+    N0([Success Fee Structures])
+    N1([Project Vetting])
+    N2[Securities Regulations Adherence]
+    N3[/Equity Crowdfunding/]
+    N4[Campaign Creation]
+    N5[/Manufacturing Planning/]
+    N6(Real Estate Crowdfunding)
+    N7[(Due Diligence for Projects)]
+    N8{Press Outreach}
+    N9[[Backer Communication]]
+    N10{Shareholder Management}
+    N11([Intellectual Property Protection])
+    N0 -.-> |manages backers| N1
+    N1 -.-> |prepares pitches| N2
+    N2 -.-> |collects donations| N3
+    N3 --> N4
+    N4 --> |funds real estate| N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> |promotes campaigns| N9
+    N9 --> |produces content| N10
+    N10 -.-> N11
+    N6 -.-> N0
+    N8 -.-> N5
+    style N0 fill:#FFF8E1,stroke:#FFD54F
+    style N1 fill:#BBDEFB,stroke:#2196F3
+    style N2 fill:#FFF8E1,stroke:#FFD54F
+    style N3 fill:#FFCCBC,stroke:#FF5722
+    style N4 fill:#BBDEFB,stroke:#2196F3
+    style N5 fill:#FFF8E1,stroke:#FFD54F
+    style N6 fill:#FFF8E1,stroke:#FFD54F
+    style N7 fill:#BBDEFB,stroke:#2196F3
+    style N8 fill:#FFF8E1,stroke:#FFD54F
+    style N9 fill:#FFCCBC,stroke:#FF5722
+    style N10 fill:#BBDEFB,stroke:#2196F3
+    style N11 fill:#FFF8E1,stroke:#FFD54F
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#2196F3,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_67.txt b/test/mermaid/scanned_hard/mermaid_67.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2f046bd6e045aac466f9e6a7a00a9db93a6d0267
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_67.txt
@@ -0,0 +1,13 @@
+<Backer Communication, produces content, Shareholder Management>
+<Campaign Creation, funds real estate, Manufacturing Planning>
+<Due Diligence for Projects, connectedTo, Press Outreach>
+<Equity Crowdfunding, connectedTo, Campaign Creation>
+<Manufacturing Planning, connectedTo, Real Estate Crowdfunding>
+<Press Outreach, connectedTo, Manufacturing Planning>
+<Press Outreach, promotes campaigns, Backer Communication>
+<Project Vetting, prepares pitches, Securities Regulations Adherence>
+<Real Estate Crowdfunding, connectedTo, Due Diligence for Projects>
+<Real Estate Crowdfunding, connectedTo, Success Fee Structures>
+<Securities Regulations Adherence, collects donations, Equity Crowdfunding>
+<Shareholder Management, connectedTo, Intellectual Property Protection>
+<Success Fee Structures, manages backers, Project Vetting>
diff --git a/test/mermaid/scanned_hard/mermaid_68.mmd b/test/mermaid/scanned_hard/mermaid_68.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..80f0a75ee0be52058269fbae2f66701bff355193
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_68.mmd
@@ -0,0 +1,34 @@
+graph BT
+    N0([start])
+    N1[Network Protocol Selection]
+    N2{Supply Chain Optimization}
+    N3(Security Implementation)
+    N4([Industrial IoT])
+    N5[(Energy Management Systems)]
+    N6([Over_the_Air Updates])
+    N7[Retail IoT]
+    N8([Data Collection])
+    N9([end])
+    N0 -.-> |yes| N1
+    N1 -.-> |yes| N2
+    N2 -.-> |yes| N3
+    N3 -.-> N4
+    N4 --> |yes| N5
+    N5 --> |yes| N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> |yes| N9
+    N0 --> N4
+    N3 --> N7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#673AB7,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_7.txt b/test/mermaid/scanned_hard/mermaid_7.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2de25ec76a2d20e6e7065efa7399e2f566a8bdd1
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_7.txt
@@ -0,0 +1,9 @@
+<Circuit Breaker Operation, connectedTo, Hydropower Generation>
+<Energy Infrastructure Planning, connectedTo, Generator Check>
+<Generator Check, connectedTo, Grid Modernization>
+<Hydropower Generation, alerts, Grid Modernization>
+<Hydropower Generation, connectedTo, Energy Infrastructure Planning>
+<Load Shedding, consumes, Pipeline Monitoring>
+<Pipeline Monitoring, upgrades, Usage Billing>
+<Usage Billing, connectedTo, Energy Infrastructure Planning>
+<Usage Billing, transmits, Circuit Breaker Operation>
diff --git a/test/mermaid/scanned_hard/mermaid_70.txt b/test/mermaid/scanned_hard/mermaid_70.txt
new file mode 100644
index 0000000000000000000000000000000000000000..308be56607e5c55baff1e1796c7389bbb11d313c
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_70.txt
@@ -0,0 +1,12 @@
+<API Management in Cloud, connectedTo, end>
+<Cloud Architecture Design, integrates edge, Disaster Recovery in Cloud>
+<Cloud Audit Trails, connectedTo, Cloud Migration Strategy>
+<Cloud Automation, connectedTo, Cloud Audit Trails>
+<Cloud Migration Strategy, connectedTo, Disaster Recovery in Cloud>
+<Cloud Migration Strategy, connectedTo, Edge_to_Cloud Integration>
+<Cloud Monitoring and Logging, sets up VPNs, Cloud Automation>
+<Cloud Security, automates CI or CD, Cost Optimization in Cloud>
+<Cloud Security, connectedTo, Cloud Migration Strategy>
+<Cost Optimization in Cloud, connectedTo, Cloud Architecture Design>
+<Disaster Recovery in Cloud, develops cloud_native apps, API Management in Cloud>
+<Edge_to_Cloud Integration, manages load balancing, Cloud Security>
diff --git a/test/mermaid/scanned_hard/mermaid_72.mmd b/test/mermaid/scanned_hard/mermaid_72.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d7fb76f63f25002591fab3c81e27be7d39f0a22f
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_72.mmd
@@ -0,0 +1,35 @@
+graph BT
+    N0([start])
+    N1[[Infrastructure Provisioning]]
+    N2([Version Control])
+    N3{Code Quality Checks}
+    N4(Cloud Native Development)
+    N5[[Automated Testing]]
+    N6([Site Reliability Engineering Principles])
+    N7[Secrets Management]
+    N8([Automated Deployment])
+    N9[Observability Implementation]
+    N10([end])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> |yes| N3
+    N3 --> |no| N4
+    N4 -.-> |yes| N5
+    N5 -.-> |no| N6
+    N6 --> |yes| N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> N10
+    N5 -.-> N1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#A188DB,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_73.mmd b/test/mermaid/scanned_hard/mermaid_73.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..536f017afaf6b3f19defc54b0717c3504491bca8
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_73.mmd
@@ -0,0 +1,48 @@
+graph BT
+    N0([Cloud_Native Development])
+    N1(Containerization)
+    N2[/Integration Testing/]
+    N3{Coding}
+    N4(Refactoring)
+    N5[(Unit Testing)]
+    N6[Backend Development]
+    N7([Deployment])
+    N8[[Performance Optimization]]
+    N9[Bug Fixing]
+    N10([end])
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> |builds backends| N3
+    N3 -.-> |develops frontends| N4
+    N4 -.-> |uses frameworks| N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> |uses agile methodologies| N9
+    N9 -.-> N10
+    N6 --> |writes documentation| N2
+    N10 -.-> |architects systems| N7
+    style N0 fill:#F3E5F5,stroke:#BA68C8
+    style N1 fill:#F3E5F5,stroke:#BA68C8
+    style N2 fill:#F3E5F5,stroke:#AB47BC
+    style N3 fill:#D7CCC8,stroke:#795548
+    style N4 fill:#D7CCC8,stroke:#795548
+    style N5 fill:#F3E5F5,stroke:#AB47BC
+    style N6 fill:#D7CCC8,stroke:#795548
+    style N7 fill:#D7CCC8,stroke:#795548
+    style N8 fill:#F3E5F5,stroke:#BA68C8
+    style N9 fill:#F3E5F5,stroke:#AB47BC
+    style N10 fill:#F3E5F5,stroke:#BA68C8
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_73.txt b/test/mermaid/scanned_hard/mermaid_73.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6c0a9d42c5969694eafd9110625d092d4f4db8ee
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_73.txt
@@ -0,0 +1,12 @@
+<Backend Development, connectedTo, Deployment>
+<Backend Development, writes documentation, Integration Testing>
+<Bug Fixing, connectedTo, end>
+<Cloud_Native Development, connectedTo, Containerization>
+<Coding, develops frontends, Refactoring>
+<Containerization, connectedTo, Integration Testing>
+<Deployment, connectedTo, Performance Optimization>
+<Integration Testing, builds backends, Coding>
+<Performance Optimization, uses agile methodologies, Bug Fixing>
+<Refactoring, uses frameworks, Unit Testing>
+<Unit Testing, connectedTo, Backend Development>
+<end, architects systems, Deployment>
diff --git a/test/mermaid/scanned_hard/mermaid_74.mmd b/test/mermaid/scanned_hard/mermaid_74.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..deaeaba5169c11d7a305d00c9869045ba6c132e6
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_74.mmd
@@ -0,0 +1,44 @@
+graph TD
+    N0([Sensor Integration])
+    N1{Circuit Design}
+    N2(Documentation)
+    N3[(Cost Optimization)]
+    N4[/ASIC Design/]
+    N5([Power Integrity Analysis])
+    N6[Actuator Control]
+    N7[/Enclosure Design/]
+    N8(Optical Module Design)
+    N9([Quality Control])
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> |designs enclosures| N3
+    N3 -.-> |creates schematics| N4
+    N4 --> N5
+    N5 --> |ensures reliability| N6
+    N6 -.-> |optimizes for low power| N7
+    N7 --> N8
+    N8 -.-> N9
+    N6 --> |designs fixtures| N3
+    N8 -.-> N1
+    style N0 fill:#D0EFEE,stroke:#73C6BC
+    style N1 fill:#D0EFEE,stroke:#73C6BC
+    style N2 fill:#FAEBF3,stroke:#F7BEE0
+    style N3 fill:#D0EFEE,stroke:#73C6BC
+    style N4 fill:#D0EFEE,stroke:#73C6BC
+    style N5 fill:#E8EAF6,stroke:#7986CB
+    style N6 fill:#E8EAF6,stroke:#7986CB
+    style N7 fill:#E8EAF6,stroke:#7986CB
+    style N8 fill:#D0EFEE,stroke:#73C6BC
+    style N9 fill:#FAEBF3,stroke:#F7BEE0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#7986CB,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_74.txt b/test/mermaid/scanned_hard/mermaid_74.txt
new file mode 100644
index 0000000000000000000000000000000000000000..96dd576046b33a5b5c4065ee815e2a6ec0d51afe
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_74.txt
@@ -0,0 +1,11 @@
+<ASIC Design, connectedTo, Power Integrity Analysis>
+<Actuator Control, designs fixtures, Cost Optimization>
+<Actuator Control, optimizes for low power, Enclosure Design>
+<Circuit Design, connectedTo, Documentation>
+<Cost Optimization, creates schematics, ASIC Design>
+<Documentation, designs enclosures, Cost Optimization>
+<Enclosure Design, connectedTo, Optical Module Design>
+<Optical Module Design, connectedTo, Circuit Design>
+<Optical Module Design, connectedTo, Quality Control>
+<Power Integrity Analysis, ensures reliability, Actuator Control>
+<Sensor Integration, connectedTo, Circuit Design>
diff --git a/test/mermaid/scanned_hard/mermaid_77.txt b/test/mermaid/scanned_hard/mermaid_77.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9eae1ec6ab4d3bec5e7bc59b0f04dac71dbc6dc5
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_77.txt
@@ -0,0 +1,10 @@
+<Algorithm Updates Monitoring, optimizes UX, Shopping Search>
+<Mobile_First Indexing, processes queries, User Experience for Search>
+<Personalized Search Results, connectedTo, Query Processing>
+<Query Processing, manages technical SEO, Semantic Search>
+<Ranking Algorithms, detects spam, Personalized Search Results>
+<Shopping Search, connectedTo, Ranking Algorithms>
+<Technical SEO, generates featured snippets, Mobile_First Indexing>
+<User Experience for Search, optimizes for mobile, Algorithm Updates Monitoring>
+<start, connectedTo, Technical SEO>
+<start, connectedTo, User Experience for Search>
diff --git a/test/mermaid/scanned_hard/mermaid_78.txt b/test/mermaid/scanned_hard/mermaid_78.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3a49d629c35416a2ed2de4a10b3fb28e87a961d3
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_78.txt
@@ -0,0 +1,10 @@
+<API Security for Identity, yes, Fraud Detection in Identity>
+<Biometric Authentication, connectedTo, Credential Management>
+<Biometric Authentication, no, Social Login Integration>
+<Blockchain_based Identity, yes, API Security for Identity>
+<Consent Management, no, Blockchain_based Identity>
+<Credential Management, no, Consent Management>
+<Federated Identity Management, connectedTo, Social Login Integration>
+<Fraud Detection in Identity, connectedTo, Federated Identity Management>
+<Social Login Integration, connectedTo, end>
+<start, connectedTo, Biometric Authentication>
diff --git a/test/mermaid/scanned_hard/mermaid_79.txt b/test/mermaid/scanned_hard/mermaid_79.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e29779afe2384ce7a7227981d2f49857f00219fd
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_79.txt
@@ -0,0 +1,9 @@
+<Assessment Design, trains educators, Instructor Training>
+<Asynchronous Learning, connectedTo, Competency_Based Education>
+<Bootcamp Development, connectedTo, Instructor Training>
+<Bootcamp Development, personalizes learning, Virtual Labs and Simulations>
+<Competency_Based Education, connectedTo, Open Educational Resources Integration>
+<Instructor Training, connectedTo, Interactive Learning Activities>
+<Micro_credential Programs, connectedTo, Assessment Design>
+<Open Educational Resources Integration, supports SEL, Bootcamp Development>
+<Virtual Labs and Simulations, digitizes curriculum, Micro_credential Programs>
diff --git a/test/mermaid/scanned_hard/mermaid_8.mmd b/test/mermaid/scanned_hard/mermaid_8.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a23f1732fd77f396626ad65e11417647460fb9be
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_8.mmd
@@ -0,0 +1,34 @@
+graph TD
+    N0([start])
+    N1(Child Custody)
+    N2([Due Diligence])
+    N3{Cross_Examination}
+    N4[Plea Bargain]
+    N5[Case Filing]
+    N6[(Notarization)]
+    N7([Regulatory Compliance Review])
+    N0 --> N1
+    N1 -.-> |summarizes| N2
+    N2 -.-> |collects| N3
+    N3 --> |educates| N4
+    N4 -.-> |drafts| N5
+    N5 --> |interviews| N6
+    N6 -.-> |negotiates| N7
+    N2 -.-> N7
+    style N0 fill:#FFCDD2,stroke:#F44336
+    style N1 fill:#FFFDE7,stroke:#FFF176
+    style N2 fill:#FFCDD2,stroke:#F44336
+    style N3 fill:#FFF0CC,stroke:#FFCC80
+    style N4 fill:#FFCDD2,stroke:#F44336
+    style N5 fill:#FFFDE7,stroke:#FFF176
+    style N6 fill:#FFFDE7,stroke:#FFF176
+    style N7 fill:#FFFDE7,stroke:#FFF176
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_80.mmd b/test/mermaid/scanned_hard/mermaid_80.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..90e3090e897d0cdae4e3f204495543017a569da4
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_80.mmd
@@ -0,0 +1,40 @@
+graph TD
+    N0([start])
+    N1(Skill_Based Learning Outcomes)
+    N2([Career Pathway Mapping])
+    N3{Learner Feedback Analysis}
+    N4(Learner Support)
+    N5(Course Pilot Testing)
+    N6[Employer Recognition]
+    N7(Course Retirement Planning)
+    N8([end])
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> |provides technical support| N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> |tracks completion| N7
+    N7 --> |integrates tools| N8
+    N5 --> |scales enrollment| N8
+    N7 --> |funds development| N5
+    style N0 fill:#DDCEDD,stroke:#AF56A6
+    style N1 fill:#DDCEDD,stroke:#AF56A6
+    style N2 fill:#B3E5FC,stroke:#03A9F4
+    style N3 fill:#C9EFEC,stroke:#6FE1D5
+    style N4 fill:#C9EFEC,stroke:#6FE1D5
+    style N5 fill:#C9EFEC,stroke:#6FE1D5
+    style N6 fill:#B3E5FC,stroke:#03A9F4
+    style N7 fill:#B3E5FC,stroke:#03A9F4
+    style N8 fill:#DDCEDD,stroke:#AF56A6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#03A9F4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_80.txt b/test/mermaid/scanned_hard/mermaid_80.txt
new file mode 100644
index 0000000000000000000000000000000000000000..39f4b040d8e28bfc84d90b812acfc2a807d7c91e
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_80.txt
@@ -0,0 +1,10 @@
+<Career Pathway Mapping, connectedTo, Learner Feedback Analysis>
+<Course Pilot Testing, connectedTo, Employer Recognition>
+<Course Pilot Testing, scales enrollment, end>
+<Course Retirement Planning, funds development, Course Pilot Testing>
+<Course Retirement Planning, integrates tools, end>
+<Employer Recognition, tracks completion, Course Retirement Planning>
+<Learner Feedback Analysis, provides technical support, Learner Support>
+<Learner Support, connectedTo, Course Pilot Testing>
+<Skill_Based Learning Outcomes, connectedTo, Career Pathway Mapping>
+<start, connectedTo, Skill_Based Learning Outcomes>
diff --git a/test/mermaid/scanned_hard/mermaid_81.mmd b/test/mermaid/scanned_hard/mermaid_81.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..7dfb5ef58f3137a61c271741e2a5230a10c0af4b
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_81.mmd
@@ -0,0 +1,46 @@
+graph LR
+    N0([start])
+    N1(Memory Techniques Training)
+    N2[Certification Exam Prep]
+    N3([Critical Thinking Development])
+    N4(Adaptive Learning Algorithms)
+    N5[Tutoring Session]
+    N6[(Stress Management for Exams)]
+    N7(Curriculum Development)
+    N8[Student Progress Tracking]
+    N9[(Time Management Coaching)]
+    N10([end])
+    N0 --> |analyzes| N1
+    N1 --> N2
+    N2 --> |improves| N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 --> |interacts| N7
+    N7 -.-> |markets| N8
+    N8 -.-> N9
+    N9 --> |teaches| N10
+    N6 -.-> N1
+    style N0 fill:#FFF3E0,stroke:#FFB74D
+    style N1 fill:#FFFDE7,stroke:#FBC02D
+    style N2 fill:#FFF3E0,stroke:#FFB74D
+    style N3 fill:#FFF3E0,stroke:#FFB74D
+    style N4 fill:#E0F2F1,stroke:#4DB6AC
+    style N5 fill:#FFF3E0,stroke:#FFB74D
+    style N6 fill:#FFFDE7,stroke:#FBC02D
+    style N7 fill:#FFF3E0,stroke:#FFB74D
+    style N8 fill:#FFFDE7,stroke:#FBC02D
+    style N9 fill:#E0F2F1,stroke:#4DB6AC
+    style N10 fill:#FFFDE7,stroke:#FBC02D
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FBC02D,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_83.mmd b/test/mermaid/scanned_hard/mermaid_83.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..3eaa041e54cec0b92a0584fec459423411537b39
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_83.mmd
@@ -0,0 +1,40 @@
+graph TD
+    N0([start])
+    N1(Grief Counseling)
+    N2[[Coping Skill Development]]
+    N3[Medication Management]
+    N4[[Support Group Facilitation]]
+    N5[/Relapse Prevention/]
+    N6[[Eating Disorder Treatment]]
+    N7(Crisis Intervention)
+    N8[/Substance Abuse Counseling/]
+    N9{Treatment Plan Development}
+    N10[Post_Traumatic Stress Disorder Support]
+    N11([end])
+    N0 --> |no| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> |yes| N4
+    N4 -.-> N5
+    N5 -.-> |yes| N6
+    N6 -.-> |yes| N7
+    N7 -.-> N8
+    N8 -.-> |no| N9
+    N9 -.-> N10
+    N10 --> |yes| N11
+    N4 --> N1
+    N5 -.-> N1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_84.mmd b/test/mermaid/scanned_hard/mermaid_84.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b8553af85075356ea77dbedb221dcfc094ecb6b5
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_84.mmd
@@ -0,0 +1,40 @@
+graph RL
+    N0([start])
+    N1[[Nutritional Biomarker Analysis]]
+    N2([Sustainable Food Systems])
+    N3[Sports Nutrition]
+    N4([Supplement Recommendation])
+    N5[Recipe Adaptation]
+    N6(Dietary Software Usage)
+    N7[(Clinical Nutrition Support)]
+    N8[[Gut Microbiome Health]]
+    N9[(Nutritional Counseling)]
+    N10(Personalized Nutrition Plans)
+    N11([end])
+    N0 -.-> |yes| N1
+    N1 -.-> N2
+    N2 --> |yes| N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> |no| N6
+    N6 --> |no| N7
+    N7 -.-> |yes| N8
+    N8 --> |yes| N9
+    N9 --> |yes| N10
+    N10 -.-> N11
+    N5 --> |no| N3
+    N4 --> |yes| N0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFC085,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_84.txt b/test/mermaid/scanned_hard/mermaid_84.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1c537e20c42c524d26fcd290b19f65d322acf2c9
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_84.txt
@@ -0,0 +1,13 @@
+<Clinical Nutrition Support, yes, Gut Microbiome Health>
+<Dietary Software Usage, no, Clinical Nutrition Support>
+<Gut Microbiome Health, yes, Nutritional Counseling>
+<Nutritional Biomarker Analysis, connectedTo, Sustainable Food Systems>
+<Nutritional Counseling, yes, Personalized Nutrition Plans>
+<Personalized Nutrition Plans, connectedTo, end>
+<Recipe Adaptation, no, Dietary Software Usage>
+<Recipe Adaptation, no, Sports Nutrition>
+<Sports Nutrition, connectedTo, Supplement Recommendation>
+<Supplement Recommendation, connectedTo, Recipe Adaptation>
+<Supplement Recommendation, yes, start>
+<Sustainable Food Systems, yes, Sports Nutrition>
+<start, yes, Nutritional Biomarker Analysis>
diff --git a/test/mermaid/scanned_hard/mermaid_86.mmd b/test/mermaid/scanned_hard/mermaid_86.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..30b636b58d1ff5f4964ac366a6c0513d833c2056
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_86.mmd
@@ -0,0 +1,40 @@
+graph RL
+    N0([start])
+    N1[[Stress Management]]
+    N2[[Detox Programs]]
+    N3{Aromatherapy Usage}
+    N4[[Acupuncture Consultation]]
+    N5(Burnout Prevention)
+    N6[[Breathwork Exercises]]
+    N7[[Gut Health for Wellness]]
+    N8([Financial Wellness Planning])
+    N0 -.-> |recommends| N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> |advises| N5
+    N5 -.-> N6
+    N6 --> |meditates| N7
+    N7 -.-> |complies| N8
+    N7 -.-> |enhances| N4
+    N0 -.-> |certifies| N7
+    style N0 fill:#B3E5FC,stroke:#03A9F4
+    style N1 fill:#F2E6F5,stroke:#CB9BE1
+    style N2 fill:#B3E5FC,stroke:#03A9F4
+    style N3 fill:#EBEBEB,stroke:#E0E0E0
+    style N4 fill:#F2E6F5,stroke:#CB9BE1
+    style N5 fill:#F2E6F5,stroke:#CB9BE1
+    style N6 fill:#EBEBEB,stroke:#E0E0E0
+    style N7 fill:#EBEBEB,stroke:#E0E0E0
+    style N8 fill:#EBEBEB,stroke:#E0E0E0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_86.txt b/test/mermaid/scanned_hard/mermaid_86.txt
new file mode 100644
index 0000000000000000000000000000000000000000..34fceec68a1882428ebff2ddf2c598aa93961e56
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_86.txt
@@ -0,0 +1,10 @@
+<Acupuncture Consultation, advises, Burnout Prevention>
+<Aromatherapy Usage, connectedTo, Acupuncture Consultation>
+<Breathwork Exercises, meditates, Gut Health for Wellness>
+<Burnout Prevention, connectedTo, Breathwork Exercises>
+<Detox Programs, connectedTo, Aromatherapy Usage>
+<Gut Health for Wellness, complies, Financial Wellness Planning>
+<Gut Health for Wellness, enhances, Acupuncture Consultation>
+<Stress Management, connectedTo, Detox Programs>
+<start, certifies, Gut Health for Wellness>
+<start, recommends, Stress Management>
diff --git a/test/mermaid/scanned_hard/mermaid_87.txt b/test/mermaid/scanned_hard/mermaid_87.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b7bd16756a263e5469e36f814caab597cf454590
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_87.txt
@@ -0,0 +1,8 @@
+<3D Rendering, connectedTo, CAD Drafting>
+<Bathroom Design, plans, 3D Rendering>
+<Bedroom Design, connectedTo, Commercial Interior Design>
+<Bedroom Design, measures, CAD Drafting>
+<CAD Drafting, connectedTo, Textile and Fabric Selection>
+<Commercial Interior Design, transforms, Flooring Specification>
+<Hospitality Interior Design, materials, Bedroom Design>
+<Textile and Fabric Selection, manages, Hospitality Interior Design>
diff --git a/test/mermaid/scanned_hard/mermaid_89.txt b/test/mermaid/scanned_hard/mermaid_89.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fad59cfee1a4ff4281514758a594a60f5f8d0c5a
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_89.txt
@@ -0,0 +1,11 @@
+<Airspace Management for Drones, processes, Environmental Monitoring>
+<Delivery Services, connectedTo, Mapping and Surveying>
+<Drone Design, surveys, Delivery Services>
+<Environmental Monitoring, connectedTo, Swarm Robotics for Drones>
+<Ethical Drone Use, maintains, Drone Design>
+<Inspection, connectedTo, Ethical Drone Use>
+<Mapping and Surveying, connectedTo, Security Surveillance>
+<Payload Customization, connectedTo, Inspection>
+<Propeller Design, applies, Environmental Monitoring>
+<Propeller Design, audits, Payload Customization>
+<Swarm Robotics for Drones, tests, Propeller Design>
diff --git a/test/mermaid/scanned_hard/mermaid_9.mmd b/test/mermaid/scanned_hard/mermaid_9.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..3f4b446a05b51a12c19df42155d08b9617951328
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_9.mmd
@@ -0,0 +1,36 @@
+graph RL
+    N0([start])
+    N1(Yard Management)
+    N2(Driver Check_in)
+    N3{Damage Reporting}
+    N4[(Sorting Center)]
+    N5[Freight Booking]
+    N6[Supply Chain Visibility]
+    N7([end])
+    N0 -.-> N1
+    N1 -.-> |stacks| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> |syncs| N5
+    N5 -.-> |analyzes| N6
+    N6 --> |notifies| N7
+    N7 --> |distributes| N6
+    N0 --> N2
+    style N0 fill:#E8F0FF,stroke:#A2D0FF
+    style N1 fill:#F9FBE7,stroke:#DCE775
+    style N2 fill:#F9FBE7,stroke:#DCE775
+    style N3 fill:#F9FBE7,stroke:#DCE775
+    style N4 fill:#F9FBE7,stroke:#DCE775
+    style N5 fill:#F9FBE7,stroke:#DCE775
+    style N6 fill:#E3F2FD,stroke:#64B5F6
+    style N7 fill:#F9FBE7,stroke:#DCE775
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#DCE775,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_9.txt b/test/mermaid/scanned_hard/mermaid_9.txt
new file mode 100644
index 0000000000000000000000000000000000000000..05d1ac5206c0ec4bf10713d758afea52202c0881
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_9.txt
@@ -0,0 +1,9 @@
+<Damage Reporting, connectedTo, Sorting Center>
+<Driver Check_in, connectedTo, Damage Reporting>
+<Freight Booking, analyzes, Supply Chain Visibility>
+<Sorting Center, syncs, Freight Booking>
+<Supply Chain Visibility, notifies, end>
+<Yard Management, stacks, Driver Check_in>
+<end, distributes, Supply Chain Visibility>
+<start, connectedTo, Driver Check_in>
+<start, connectedTo, Yard Management>
diff --git a/test/mermaid/scanned_hard/mermaid_91.mmd b/test/mermaid/scanned_hard/mermaid_91.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5e720062bb06ab6dd1af0b966cbb2d719a99e550
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_91.mmd
@@ -0,0 +1,28 @@
+graph BT
+    N0([start])
+    N1([Public Transit Integration])
+    N2([Platform Development])
+    N3[(Ride_sharing Services)]
+    N4[Charging or Refueling Logistics]
+    N5{Fraud Prevention}
+    N6[Autonomous Shared Vehicles]
+    N7([end])
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> |yes| N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> |yes| N6
+    N6 -.-> |no| N7
+    N2 -.-> N6
+    N5 --> |yes| N2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFC107,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_92.mmd b/test/mermaid/scanned_hard/mermaid_92.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5f3e089a24458658098ab2e026407a50b5b2a3c0
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_92.mmd
@@ -0,0 +1,32 @@
+graph TD
+    N0([start])
+    N1[[Customer Support]]
+    N2[(Valet Parking Automation)]
+    N3[Violation Detection]
+    N4[Permit Management]
+    N5[Revenue Management]
+    N6([Access Control Systems])
+    N7(Navigation to Open Space)
+    N8{Emergency Vehicle Access Management}
+    N9([end])
+    N0 -.-> N1
+    N1 --> |no| N2
+    N2 -.-> N3
+    N3 -.-> |yes| N4
+    N4 --> |no| N5
+    N5 -.-> |yes| N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> N9
+    N4 --> |no| N0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#64B5F6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_93.mmd b/test/mermaid/scanned_hard/mermaid_93.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f0e3791ff59b1eb471345a1bdfe5bad6d78ce252
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_93.mmd
@@ -0,0 +1,48 @@
+graph BT
+    N0([Airline Ticketing])
+    N1[(Ticket Sales)]
+    N2[Theater Ticketing]
+    N3{Mobile Ticketing}
+    N4[Customer Relationship Management Integration]
+    N5([Scalper Prevention])
+    N6[Event Promotion Tools]
+    N7[Group Booking Management]
+    N8(Fan Loyalty Programs)
+    N9{Payment Processing}
+    N10([end])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> |designs| N3
+    N3 --> |optimizes| N4
+    N4 -.-> |redeems| N5
+    N5 -.-> |promotes| N6
+    N6 -.-> N7
+    N7 --> |personalizes| N8
+    N8 -.-> |markets| N9
+    N9 --> N10
+    N6 --> N5
+    N10 --> N6
+    style N0 fill:#DED7F0,stroke:#A188DB
+    style N1 fill:#E0F7FA,stroke:#00BCD4
+    style N2 fill:#DED7F0,stroke:#A188DB
+    style N3 fill:#DED7F0,stroke:#A188DB
+    style N4 fill:#DED7F0,stroke:#A188DB
+    style N5 fill:#DED7F0,stroke:#A188DB
+    style N6 fill:#E0F7FA,stroke:#00BCD4
+    style N7 fill:#EFE6FF,stroke:#C2B2F0
+    style N8 fill:#E0F7FA,stroke:#00BCD4
+    style N9 fill:#EFE6FF,stroke:#C2B2F0
+    style N10 fill:#EFE6FF,stroke:#C2B2F0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_93.txt b/test/mermaid/scanned_hard/mermaid_93.txt
new file mode 100644
index 0000000000000000000000000000000000000000..98a7a2a0593379aae4c0e4cf5302aedce7e0ccab
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_93.txt
@@ -0,0 +1,12 @@
+<Airline Ticketing, connectedTo, Ticket Sales>
+<Customer Relationship Management Integration, redeems, Scalper Prevention>
+<Event Promotion Tools, connectedTo, Group Booking Management>
+<Event Promotion Tools, connectedTo, Scalper Prevention>
+<Fan Loyalty Programs, markets, Payment Processing>
+<Group Booking Management, personalizes, Fan Loyalty Programs>
+<Mobile Ticketing, optimizes, Customer Relationship Management Integration>
+<Payment Processing, connectedTo, end>
+<Scalper Prevention, promotes, Event Promotion Tools>
+<Theater Ticketing, designs, Mobile Ticketing>
+<Ticket Sales, connectedTo, Theater Ticketing>
+<end, connectedTo, Event Promotion Tools>
diff --git a/test/mermaid/scanned_hard/mermaid_94.mmd b/test/mermaid/scanned_hard/mermaid_94.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e1b38867f6ac268dade74c09587e698457add3d1
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_94.mmd
@@ -0,0 +1,40 @@
+graph LR
+    N0([start])
+    N1(Secure Data Transmission)
+    N2{Cryptographic Security}
+    N3(Cybersecurity for Voting Systems)
+    N4[Penetration Testing]
+    N5[(Blockchain for Voting)]
+    N6[Threat Modeling]
+    N7{Undue Influence Prevention}
+    N8([Biometric Voter ID])
+    N0 -.-> |alerts| N1
+    N1 --> |maintains| N2
+    N2 -.-> |authenticates| N3
+    N3 --> |educates| N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> |upgrades| N7
+    N7 --> |validates| N8
+    N5 -.-> N2
+    N7 --> N3
+    style N0 fill:#F6F6F6,stroke:#CFCFCF
+    style N1 fill:#FFE88D,stroke:#FFDA4E
+    style N2 fill:#FFE88D,stroke:#FFDA4E
+    style N3 fill:#FFE88D,stroke:#FFDA4E
+    style N4 fill:#F6F6F6,stroke:#CFCFCF
+    style N5 fill:#F6F6F6,stroke:#CFCFCF
+    style N6 fill:#FFE88D,stroke:#FFDA4E
+    style N7 fill:#FFE88D,stroke:#FFDA4E
+    style N8 fill:#FFE88D,stroke:#FFDA4E
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFDA4E,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_95.txt b/test/mermaid/scanned_hard/mermaid_95.txt
new file mode 100644
index 0000000000000000000000000000000000000000..06f183563c2b1d987405884f8213882f641298cb
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_95.txt
@@ -0,0 +1,9 @@
+<Data Visualization for Policy, connectedTo, Public Consultation Process>
+<Data Visualization for Policy, connectedTo, Stakeholder Analysis>
+<Evidence_Based Policymaking, connectedTo, Behavioral Economics in Policy>
+<Local Government Policy, influences, National Policy Development>
+<National Policy Development, connectedTo, Data Visualization for Policy>
+<Policy Evaluation, models, Public Consultation Process>
+<Program Design, connectedTo, Policy Evaluation>
+<Public Consultation Process, governs, Local Government Policy>
+<Stakeholder Analysis, strategies, Evidence_Based Policymaking>
diff --git a/test/mermaid/scanned_hard/mermaid_96.txt b/test/mermaid/scanned_hard/mermaid_96.txt
new file mode 100644
index 0000000000000000000000000000000000000000..82a3902ca4566c481ed916a9973c911896152141
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_96.txt
@@ -0,0 +1,11 @@
+<Bias Mitigation, data management, Data Visualization for Research>
+<Data Collection, connectedTo, Bias Mitigation>
+<Data Collection, connectedTo, Plagiarism Detection>
+<Data Collection, develops, Methodology Selection>
+<Data Visualization for Research, connectedTo, Reproducibility Studies>
+<Methodology Selection, connectedTo, Sampling Techniques>
+<Plagiarism Detection, connectedTo, Methodology Selection>
+<Qualitative Analysis, connectedTo, Software for Statistical Analysis>
+<Reproducibility Studies, connectedTo, Data Collection>
+<Sampling Techniques, licenses, Qualitative Analysis>
+<start, validates, Bias Mitigation>
diff --git a/test/mermaid/scanned_hard/mermaid_97.mmd b/test/mermaid/scanned_hard/mermaid_97.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d5043d985463e96f186f4ae14fa62782acb72920
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_97.mmd
@@ -0,0 +1,34 @@
+graph LR
+    N0([start])
+    N1[Reference Desk Support]
+    N2(Metadata Creation)
+    N3[RFID System Implementation]
+    N4[[Subject Indexing]]
+    N5[Integrated Library Systems]
+    N6[/Database Management/]
+    N7{Open Access Repository Management}
+    N8[Digital Resource Management]
+    N9([end])
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> |no| N3
+    N3 -.-> N4
+    N4 --> |no| N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> |yes| N8
+    N8 -.-> |yes| N9
+    N4 --> |no| N3
+    N2 -.-> N6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFC2C2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_98.mmd b/test/mermaid/scanned_hard/mermaid_98.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ab41325140622d3f1161fd596fd38dd86712be01
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_98.mmd
@@ -0,0 +1,48 @@
+graph RL
+    N0([start])
+    N1[(Community Archiving Projects)]
+    N2{Intellectual Property Rights Management}
+    N3(Access and Reference Services)
+    N4[[Web Archiving]]
+    N5(Legal and Ethical Compliance)
+    N6[Preservation Planning]
+    N7(Records Management Integration)
+    N8[Digital Forensics for Archives]
+    N9[Serialization and Item Control]
+    N10([Long_Term Digital Preservation])
+    N0 --> |processes| N1
+    N1 --> |retrieves| N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> |develops| N5
+    N5 -.-> N6
+    N6 --> |contextualizes| N7
+    N7 -.-> |exhibits| N8
+    N8 --> |collects| N9
+    N9 -.-> |preserves| N10
+    N8 -.-> N4
+    N5 --> |digitizes| N3
+    style N0 fill:#CADEDE,stroke:#94C0C0
+    style N1 fill:#FFEBEB,stroke:#FFC2C2
+    style N2 fill:#F3E5F5,stroke:#AB47BC
+    style N3 fill:#CADEDE,stroke:#94C0C0
+    style N4 fill:#FFEBEB,stroke:#FFC2C2
+    style N5 fill:#FFEBEB,stroke:#FFC2C2
+    style N6 fill:#FFEBEB,stroke:#FFC2C2
+    style N7 fill:#FFEBEB,stroke:#FFC2C2
+    style N8 fill:#FFEBEB,stroke:#FFC2C2
+    style N9 fill:#CADEDE,stroke:#94C0C0
+    style N10 fill:#CADEDE,stroke:#94C0C0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/scanned_hard/mermaid_99.mmd b/test/mermaid/scanned_hard/mermaid_99.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c38540ab0a2dacb663876e102f5a891c9da53393
--- /dev/null
+++ b/test/mermaid/scanned_hard/mermaid_99.mmd
@@ -0,0 +1,46 @@
+graph RL
+    N0([start])
+    N1[/Community Engagement Platforms/]
+    N2{Environmental Control Systems}
+    N3[[Digital Storytelling]]
+    N4[Member Management Systems]
+    N5[[Visitor Analytics]]
+    N6[Exhibition Design]
+    N7[Online Shop Integration]
+    N8{Augmented Reality Experiences}
+    N9[Educational Technology Integration]
+    N10([Crowdsourcing for Collections])
+    N0 --> |exhibits| N1
+    N1 --> |AR or VR| N2
+    N2 -.-> |entertains| N3
+    N3 -.-> |complies| N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 --> |upgrades| N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> |displays| N10
+    N6 --> N10
+    style N0 fill:#FFFAE0,stroke:#FFE470
+    style N1 fill:#F8BBD0,stroke:#E91E63
+    style N2 fill:#E3F2FD,stroke:#64B5F6
+    style N3 fill:#FFFAE0,stroke:#FFE470
+    style N4 fill:#E3F2FD,stroke:#64B5F6
+    style N5 fill:#E3F2FD,stroke:#64B5F6
+    style N6 fill:#FFFAE0,stroke:#FFE470
+    style N7 fill:#E3F2FD,stroke:#64B5F6
+    style N8 fill:#F8BBD0,stroke:#E91E63
+    style N9 fill:#F8BBD0,stroke:#E91E63
+    style N10 fill:#F8BBD0,stroke:#E91E63
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFE470,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/plantuml/graph_easy/plantuml_1.png b/test/plantuml/graph_easy/plantuml_1.png
new file mode 100644
index 0000000000000000000000000000000000000000..b1d1a84244c2d8452419804a57de2e2c34827c4f
--- /dev/null
+++ b/test/plantuml/graph_easy/plantuml_1.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3f77abf02d41b58a6fdf3f33e3e0deb1300480c4b842edf0c88c52baf0fb129e
+size 41938
diff --git a/test/plantuml/graph_easy/plantuml_10.png b/test/plantuml/graph_easy/plantuml_10.png
new file mode 100644
index 0000000000000000000000000000000000000000..e6e74e0f574115a221ce59dc518b3137f769b701
--- /dev/null
+++ b/test/plantuml/graph_easy/plantuml_10.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:03a808445818cd2f41aeca5c6317412c5d473abc814d7f47d0e06093efd6be6b
+size 32167
diff --git a/test/plantuml/graph_easy/plantuml_100.png b/test/plantuml/graph_easy/plantuml_100.png
new file mode 100644
index 0000000000000000000000000000000000000000..35dd64394039bca39815e181030a88ccb4aeac8f
--- /dev/null
+++ b/test/plantuml/graph_easy/plantuml_100.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7336bec81dd7f77581fbf7496c0dfb18caabb052638dd9083127bcacc02b799b
+size 38835
diff --git a/test/plantuml/graph_easy/plantuml_102.png b/test/plantuml/graph_easy/plantuml_102.png
new file mode 100644
index 0000000000000000000000000000000000000000..240c23b78e5b657988f49dbeafd7a3c74db6d6bf
--- /dev/null
+++ b/test/plantuml/graph_easy/plantuml_102.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c6ff2c969106103adfd091e8d3279f488309993ad5d85d538a7fb14799f66f7d
+size 40879
diff --git a/test/plantuml/graph_easy/plantuml_103.png b/test/plantuml/graph_easy/plantuml_103.png
new file mode 100644
index 0000000000000000000000000000000000000000..8918ebf0ed2802f71b72524d12b3be767e16ca43
--- /dev/null
+++ b/test/plantuml/graph_easy/plantuml_103.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f5ae511b19fb9e4bdd6880437aaad0590de28bec1f99231fa7a78001a516cce9
+size 50599
diff --git a/test/plantuml/graph_easy/plantuml_104.png b/test/plantuml/graph_easy/plantuml_104.png
new file mode 100644
index 0000000000000000000000000000000000000000..ed8bfd3ecafec86fea0d41e37de19fdd63a371b7
--- /dev/null
+++ b/test/plantuml/graph_easy/plantuml_104.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e2f6f5e70b680180fbebac350974d7ecf4b8e7bcd7ef7b1a8cb7fbdc8f4bb5cc
+size 35312
diff --git a/test/plantuml/graph_easy/plantuml_105.png b/test/plantuml/graph_easy/plantuml_105.png
new file mode 100644
index 0000000000000000000000000000000000000000..ffaf7b2efb25b6c3ce0f0581b79803a10700cae0
--- /dev/null
+++ b/test/plantuml/graph_easy/plantuml_105.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d21870b789c9fc80c6c6273fa9c5aae7dbe8ddd265ec7d77053b83c34ea3184c
+size 53178
diff --git a/test/plantuml/graph_easy/plantuml_106.png b/test/plantuml/graph_easy/plantuml_106.png
new file mode 100644
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--- /dev/null
+++ b/test/plantuml/graph_easy/plantuml_106.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:86cd008759db8ce9f4b89d502e5c12cec3056081e0997bbd0d1ffaf50c179ffb
+size 46424
diff --git a/test/plantuml/graph_easy/plantuml_109.png b/test/plantuml/graph_easy/plantuml_109.png
new file mode 100644
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--- /dev/null
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@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fd79396b138e2ddc9b6b40859270b3c77d97cfaa585e76378c6c77349fe5e8b8
+size 37427
diff --git a/test/plantuml/graph_easy/plantuml_111.png b/test/plantuml/graph_easy/plantuml_111.png
new file mode 100644
index 0000000000000000000000000000000000000000..cc0cd6834ab52c8d6c387249bee08be9202fb81c
--- /dev/null
+++ b/test/plantuml/graph_easy/plantuml_111.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a3fd54074130f0662ca7214ec912667dc9ef550193107a2b58f897094f6e3828
+size 44766
diff --git a/test/plantuml/graph_easy/plantuml_112.png b/test/plantuml/graph_easy/plantuml_112.png
new file mode 100644
index 0000000000000000000000000000000000000000..91eedd026889690e80aa004cbe3361cfd4ea58af
--- /dev/null
+++ b/test/plantuml/graph_easy/plantuml_112.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:88b98f1edc6eb2242b3329abb8aaf2752df4bc35e409cb766364f63a3b879bf7
+size 30847
diff --git a/test/plantuml/graph_easy/plantuml_114.png b/test/plantuml/graph_easy/plantuml_114.png
new file mode 100644
index 0000000000000000000000000000000000000000..580af1111a1fcbd577b1b313bec3421266dd33f6
--- /dev/null
+++ b/test/plantuml/graph_easy/plantuml_114.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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+size 30282
diff --git a/test/plantuml/graph_easy/plantuml_115.png b/test/plantuml/graph_easy/plantuml_115.png
new file mode 100644
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--- /dev/null
+++ b/test/plantuml/graph_easy/plantuml_115.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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+size 46202
diff --git a/test/plantuml/graph_easy/plantuml_118.png b/test/plantuml/graph_easy/plantuml_118.png
new file mode 100644
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--- /dev/null
+++ b/test/plantuml/graph_easy/plantuml_118.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6b9a5d90de0fb8e6445525897b6a6b2d3f19c58853d3d1079befb54cf20553cb
+size 47424
diff --git a/test/plantuml/graph_easy/plantuml_119.png b/test/plantuml/graph_easy/plantuml_119.png
new file mode 100644
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--- /dev/null
+++ b/test/plantuml/graph_easy/plantuml_119.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2283bd1b70852e50b1e19c388905a28559d45980ca2489359d76d02da2a653b8
+size 38659
diff --git a/test/plantuml/graph_easy/plantuml_12.png b/test/plantuml/graph_easy/plantuml_12.png
new file mode 100644
index 0000000000000000000000000000000000000000..3c1c4bfcc1626998615b1e4e9d63bf5fc8baeb53
--- /dev/null
+++ b/test/plantuml/graph_easy/plantuml_12.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bcee1167a59fd561ce023640a7904381750384e9f71734725e1da817f4b7c3d9
+size 44369
diff --git a/test/plantuml/graph_easy/plantuml_120.png b/test/plantuml/graph_easy/plantuml_120.png
new file mode 100644
index 0000000000000000000000000000000000000000..9c0b720c8daf03421ea17ddb091186a0f9039e48
--- /dev/null
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