diff --git a/test/mermaid/easy/mermaid_1.mmd b/test/mermaid/easy/mermaid_1.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f12f8534c18cd1dbad38d4e25fa88800d70278eb
--- /dev/null
+++ b/test/mermaid/easy/mermaid_1.mmd
@@ -0,0 +1,38 @@
+graph TD
+    N0([start])
+    N1[Dispute Resolution]
+    N2[/Cryptocurrency Exchange/]
+    N3[[KYC Validation]]
+    N4[Financial Reporting]
+    N5(Investment Planning)
+    N6([Fund Disbursement])
+    N7[AML Screening]
+    N8([Financial Advisory])
+    N0 --> |analyzes| N1
+    N1 --> |reconciles| N2
+    N2 -.-> |scores| N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> |underwrites| N6
+    N6 -.-> |verifies| N7
+    N7 -.-> N8
+    N2 -.-> N0
+    style N0 fill:#FFF3E0,stroke:#FFA726
+    style N1 fill:#E0F2F1,stroke:#4DB6AC
+    style N2 fill:#FFF3E0,stroke:#FFB74D
+    style N3 fill:#FFF3E0,stroke:#FFB74D
+    style N4 fill:#FFF3E0,stroke:#FFA726
+    style N5 fill:#FFF3E0,stroke:#FFA726
+    style N6 fill:#FFF3E0,stroke:#FFB74D
+    style N7 fill:#FFF3E0,stroke:#FFB74D
+    style N8 fill:#E0F2F1,stroke:#4DB6AC
+    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:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFA726,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:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFA726,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_10.mmd b/test/mermaid/easy/mermaid_10.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5c33f9c64d26a05d0665d09c9749fbe9cad69803
--- /dev/null
+++ b/test/mermaid/easy/mermaid_10.mmd
@@ -0,0 +1,34 @@
+graph LR
+    N0([Club Registration])
+    N1[[Study Abroad Program]]
+    N2(Extracurricular Activity)
+    N3(Academic Review)
+    N4[[Attendance Tracking]]
+    N5[[Curriculum Development]]
+    N6{Graduation Approval}
+    N7([Course Selection])
+    N0 -.-> |licenses| N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> |develops| N4
+    N4 --> |recruits| N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> |enrolls| N0
+    style N0 fill:#E6EE9C,stroke:#CDDC39
+    style N1 fill:#E6EE9C,stroke:#CDDC39
+    style N2 fill:#E6EE9C,stroke:#CDDC39
+    style N3 fill:#E6EE9C,stroke:#CDDC39
+    style N4 fill:#E6EE9C,stroke:#CDDC39
+    style N5 fill:#E6EE9C,stroke:#CDDC39
+    style N6 fill:#E4E0DF,stroke:#BDAFA8
+    style N7 fill:#DACBE3,stroke:#A188D0
+    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:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,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:#BDAFA8,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_100.txt b/test/mermaid/easy/mermaid_100.txt
new file mode 100644
index 0000000000000000000000000000000000000000..59de182d38d4bbae02ea30ed30dee61f99ca971d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_100.txt
@@ -0,0 +1,9 @@
+<Applicant Tracking System Management, connectedTo, Job Description Creation>
+<Applicant Tracking System Management, yes, Job Fair Organization>
+<Competency_Based Interviewing, no, Job Description Creation>
+<Interview Panel Coordination, yes, Applicant Tracking System Management>
+<Job Description Creation, connectedTo, Recruitment Process Outsourcing Management>
+<Job Fair Organization, connectedTo, Competency_Based Interviewing>
+<Recruitment Process Outsourcing Management, no, end>
+<end, connectedTo, Interview Panel Coordination>
+<start, connectedTo, Interview Panel Coordination>
diff --git a/test/mermaid/easy/mermaid_101.mmd b/test/mermaid/easy/mermaid_101.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5e5d7a95716a5b0021a10f5ebbc54be890490906
--- /dev/null
+++ b/test/mermaid/easy/mermaid_101.mmd
@@ -0,0 +1,50 @@
+graph TD
+    N0([start])
+    N1{Interview Panel Coordination}
+    N2[Onboarding Handoff]
+    N3[/Temporary Staffing/]
+    N4(Recruitment Metrics Reporting)
+    N5([AI in Recruitment])
+    N6([Offer Extension])
+    N7(Campus Recruitment)
+    N8([Applicant Tracking System Management])
+    N9(Talent Pipeline Building)
+    N10[[Interview Conducting]]
+    N11([Internal Mobility])
+    N0 --> |places| N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> |protects| N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> |declines| N8
+    N8 -.-> |consults| N9
+    N9 --> |interviews| N10
+    N10 -.-> |automates| N11
+    N11 --> |screens| N7
+    style N0 fill:#CFD8DC,stroke:#607D8B
+    style N1 fill:#FFFAE0,stroke:#FFE470
+    style N2 fill:#D3F7F9,stroke:#80DDEA
+    style N3 fill:#FFFAE0,stroke:#FFE470
+    style N4 fill:#FFFAE0,stroke:#FFE470
+    style N5 fill:#FFFAE0,stroke:#FFE470
+    style N6 fill:#CFD8DC,stroke:#607D8B
+    style N7 fill:#CFD8DC,stroke:#607D8B
+    style N8 fill:#CFD8DC,stroke:#607D8B
+    style N9 fill:#D3F7F9,stroke:#80DDEA
+    style N10 fill:#FFFAE0,stroke:#FFE470
+    style N11 fill:#FFFAE0,stroke:#FFE470
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFE470,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:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFE470,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:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#607D8B,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_101.txt b/test/mermaid/easy/mermaid_101.txt
new file mode 100644
index 0000000000000000000000000000000000000000..33f07e11377617aad30acf3e7b78d09dc329f4fc
--- /dev/null
+++ b/test/mermaid/easy/mermaid_101.txt
@@ -0,0 +1,12 @@
+<AI in Recruitment, connectedTo, Offer Extension>
+<Applicant Tracking System Management, consults, Talent Pipeline Building>
+<Campus Recruitment, declines, Applicant Tracking System Management>
+<Internal Mobility, screens, Campus Recruitment>
+<Interview Conducting, automates, Internal Mobility>
+<Interview Panel Coordination, connectedTo, Onboarding Handoff>
+<Offer Extension, connectedTo, Campus Recruitment>
+<Onboarding Handoff, connectedTo, Temporary Staffing>
+<Recruitment Metrics Reporting, connectedTo, AI in Recruitment>
+<Talent Pipeline Building, interviews, Interview Conducting>
+<Temporary Staffing, protects, Recruitment Metrics Reporting>
+<start, places, Interview Panel Coordination>
diff --git a/test/mermaid/easy/mermaid_102.mmd b/test/mermaid/easy/mermaid_102.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d9d20f840d997eafc34a6bcaa1563854a7f598fb
--- /dev/null
+++ b/test/mermaid/easy/mermaid_102.mmd
@@ -0,0 +1,48 @@
+graph TD
+    N0([Reference Checking])
+    N1(Offer Extension)
+    N2[[Recruitment Marketing]]
+    N3([Candidate Tracking])
+    N4(Passive Candidate Engagement)
+    N5[Recruiter Training]
+    N6[(Contingent Workforce Management)]
+    N7[Recruitment Process Outsourcing Management]
+    N8(Employee Referral Program)
+    N9(Psychometric Testing)
+    N10([Interview Conducting])
+    N0 -.-> |regulates| N1
+    N1 --> |complies| N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> |backgrounds| N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> |trains| N8
+    N8 -.-> N9
+    N9 -.-> |places| N10
+    N8 --> |posts| N0
+    N8 -.-> N2
+    style N0 fill:#FFE88D,stroke:#FFDA4E
+    style N1 fill:#E4E0DF,stroke:#BDAFA8
+    style N2 fill:#E1BEE7,stroke:#9C27B0
+    style N3 fill:#E4E0DF,stroke:#BDAFA8
+    style N4 fill:#FFE88D,stroke:#FFDA4E
+    style N5 fill:#E1BEE7,stroke:#9C27B0
+    style N6 fill:#E4E0DF,stroke:#BDAFA8
+    style N7 fill:#E4E0DF,stroke:#BDAFA8
+    style N8 fill:#E4E0DF,stroke:#BDAFA8
+    style N9 fill:#E1BEE7,stroke:#9C27B0
+    style N10 fill:#E4E0DF,stroke:#BDAFA8
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#BDAFA8,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFDA4E,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_103.txt b/test/mermaid/easy/mermaid_103.txt
new file mode 100644
index 0000000000000000000000000000000000000000..320f8e414111ff01ae9263ea81acd9c25a1f8d80
--- /dev/null
+++ b/test/mermaid/easy/mermaid_103.txt
@@ -0,0 +1,11 @@
+<Cross_selling Opportunities, yes, Phone Support>
+<Email Support, yes, Proactive Communication>
+<Personalized Assistance, connectedTo, Technical Support>
+<Phone Support, no, Personalized Assistance>
+<Proactive Communication, connectedTo, Cross_selling Opportunities>
+<Proactive Communication, connectedTo, Refund Processing>
+<Refund Processing, connectedTo, Training Customer Service Agents>
+<Technical Support, connectedTo, Refund Processing>
+<Training Customer Service Agents, no, Phone Support>
+<Training Customer Service Agents, no, end>
+<start, yes, Email Support>
diff --git a/test/mermaid/easy/mermaid_105.mmd b/test/mermaid/easy/mermaid_105.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..cb8016de4faab16bccca897feb2243e00cf42d6a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_105.mmd
@@ -0,0 +1,52 @@
+graph RL
+    N0([Self_Service Portal Management])
+    N1[/Customer Success Management/]
+    N2[/Email Support/]
+    N3[Personalized Assistance]
+    N4(Issue Escalation)
+    N5[/Complaint Resolution/]
+    N6{Customer Retention Strategies}
+    N7[Complaint Trend Analysis]
+    N8[[Account Management]]
+    N9(Technical Support)
+    N10[/Phone Support/]
+    N11([Product Information Provision])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> |improves| N3
+    N3 -.-> |guides| N4
+    N4 --> |assists| N5
+    N5 --> |collects| N6
+    N6 -.-> N7
+    N7 --> |feedback| N8
+    N8 -.-> |retains| N9
+    N9 -.-> |returns| N10
+    N10 -.-> |reports| N11
+    N4 --> |educates| N9
+    N8 -.-> N11
+    style N0 fill:#E0F2F1,stroke:#4DB6AC
+    style N1 fill:#D7CCC8,stroke:#795548
+    style N2 fill:#D7CCC8,stroke:#795548
+    style N3 fill:#D7CCC8,stroke:#795548
+    style N4 fill:#E0F7FA,stroke:#00BCD4
+    style N5 fill:#E0F7FA,stroke:#00BCD4
+    style N6 fill:#E0F2F1,stroke:#4DB6AC
+    style N7 fill:#D7CCC8,stroke:#795548
+    style N8 fill:#E0F2F1,stroke:#4DB6AC
+    style N9 fill:#E0F2F1,stroke:#4DB6AC
+    style N10 fill:#D7CCC8,stroke:#795548
+    style N11 fill:#E0F2F1,stroke:#4DB6AC
+    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:#795548,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#795548,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:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#795548,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_105.txt b/test/mermaid/easy/mermaid_105.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6b1e5aa87c96ea46068962d2f843deda317b49c6
--- /dev/null
+++ b/test/mermaid/easy/mermaid_105.txt
@@ -0,0 +1,13 @@
+<Account Management, connectedTo, Product Information Provision>
+<Account Management, retains, Technical Support>
+<Complaint Resolution, collects, Customer Retention Strategies>
+<Complaint Trend Analysis, feedback, Account Management>
+<Customer Retention Strategies, connectedTo, Complaint Trend Analysis>
+<Customer Success Management, connectedTo, Email Support>
+<Email Support, improves, Personalized Assistance>
+<Issue Escalation, assists, Complaint Resolution>
+<Issue Escalation, educates, Technical Support>
+<Personalized Assistance, guides, Issue Escalation>
+<Phone Support, reports, Product Information Provision>
+<Self_Service Portal Management, connectedTo, Customer Success Management>
+<Technical Support, returns, Phone Support>
diff --git a/test/mermaid/easy/mermaid_106.txt b/test/mermaid/easy/mermaid_106.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d33ff200557309673e059bc3037bd8ea2d9b5849
--- /dev/null
+++ b/test/mermaid/easy/mermaid_106.txt
@@ -0,0 +1,9 @@
+<Inventory Management, forecasts, Reverse Logistics>
+<Inventory Management, tracks, Supply Chain Finance>
+<Production Planning, automates, Inventory Management>
+<Production Scheduling Integration, connectedTo, Global Sourcing Strategy>
+<Quality Control in Supply Chain, connectedTo, Production Scheduling Integration>
+<Reverse Logistics, connectedTo, Production Planning>
+<Reverse Logistics, visualizes, Quality Control in Supply Chain>
+<Risk Mitigation Strategies, connectedTo, Reverse Logistics>
+<Supply Chain Finance, predicts, Quality Control in Supply Chain>
diff --git a/test/mermaid/easy/mermaid_107.mmd b/test/mermaid/easy/mermaid_107.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..797335bef97ea66ebcd45c9d129204e71e9020a4
--- /dev/null
+++ b/test/mermaid/easy/mermaid_107.mmd
@@ -0,0 +1,44 @@
+graph RL
+    N0([start])
+    N1[Intermodal Transportation]
+    N2(Reverse Logistics)
+    N3[Supplier Selection]
+    N4[/Supply Chain Visibility/]
+    N5([Warehouse Automation])
+    N6([Blockchain for Traceability])
+    N7[/Material Flow Management/]
+    N8[Third_Party Logistics Management]
+    N9([Production Planning])
+    N0 --> |manages| N1
+    N1 -.-> N2
+    N2 -.-> |mitigates| N3
+    N3 -.-> N4
+    N4 -.-> |predicts| N5
+    N5 --> |collaborates| N6
+    N6 --> N7
+    N7 --> |traceability| N8
+    N8 --> |optimizes| N9
+    N9 -.-> N3
+    N6 --> |transports| N5
+    style N0 fill:#E1F5FE,stroke:#4FC3F7
+    style N1 fill:#E1F5FE,stroke:#4FC3F7
+    style N2 fill:#ECF0FD,stroke:#B8C0F5
+    style N3 fill:#FFF0CC,stroke:#FFCC80
+    style N4 fill:#FFF0CC,stroke:#FFCC80
+    style N5 fill:#FFF0CC,stroke:#FFCC80
+    style N6 fill:#E1F5FE,stroke:#4FC3F7
+    style N7 fill:#FFF0CC,stroke:#FFCC80
+    style N8 fill:#FFF0CC,stroke:#FFCC80
+    style N9 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:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#4FC3F7,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:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#B8C0F5,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:#FFCC80,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_107.txt b/test/mermaid/easy/mermaid_107.txt
new file mode 100644
index 0000000000000000000000000000000000000000..23884c818b241a63e3364011319b63ef5395c7bb
--- /dev/null
+++ b/test/mermaid/easy/mermaid_107.txt
@@ -0,0 +1,11 @@
+<Blockchain for Traceability, connectedTo, Material Flow Management>
+<Blockchain for Traceability, transports, Warehouse Automation>
+<Intermodal Transportation, connectedTo, Reverse Logistics>
+<Material Flow Management, traceability, Third_Party Logistics Management>
+<Production Planning, connectedTo, Supplier Selection>
+<Reverse Logistics, mitigates, Supplier Selection>
+<Supplier Selection, connectedTo, Supply Chain Visibility>
+<Supply Chain Visibility, predicts, Warehouse Automation>
+<Third_Party Logistics Management, optimizes, Production Planning>
+<Warehouse Automation, collaborates, Blockchain for Traceability>
+<start, manages, Intermodal Transportation>
diff --git a/test/mermaid/easy/mermaid_110.mmd b/test/mermaid/easy/mermaid_110.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..8e61963c24d31278052ecd5018b57f65417e458f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_110.mmd
@@ -0,0 +1,40 @@
+graph LR
+    N0([start])
+    N1([Emergency Response Planning])
+    N2(Ventilation System)
+    N3[Resource Estimation]
+    N4[Asset Management]
+    N5(Ore Extraction)
+    N6(Geotechnical Stability Analysis)
+    N7[Waste Rock Management]
+    N8([Noise Management])
+    N0 -.-> |reports| N1
+    N1 -.-> N2
+    N2 -.-> |automates| N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> |drills| N6
+    N6 --> N7
+    N7 -.-> |sells| N8
+    N6 -.-> |transports| N1
+    N7 -.-> |safety| N0
+    style N0 fill:#FFE88D,stroke:#FFDA4E
+    style N1 fill:#FFCCBC,stroke:#FF5722
+    style N2 fill:#FBE9E7,stroke:#FF8A65
+    style N3 fill:#FBE9E7,stroke:#FF8A65
+    style N4 fill:#FFCCBC,stroke:#FF5722
+    style N5 fill:#FFCCBC,stroke:#FF5722
+    style N6 fill:#FBE9E7,stroke:#FF8A65
+    style N7 fill:#FFCCBC,stroke:#FF5722
+    style N8 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:#FF8A65,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:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FF5722,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/easy/mermaid_110.txt b/test/mermaid/easy/mermaid_110.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9259631238c89d4199ab6f9ff14d2bab1444ff83
--- /dev/null
+++ b/test/mermaid/easy/mermaid_110.txt
@@ -0,0 +1,10 @@
+<Asset Management, connectedTo, Ore Extraction>
+<Emergency Response Planning, connectedTo, Ventilation System>
+<Geotechnical Stability Analysis, connectedTo, Waste Rock Management>
+<Geotechnical Stability Analysis, transports, Emergency Response Planning>
+<Ore Extraction, drills, Geotechnical Stability Analysis>
+<Resource Estimation, connectedTo, Asset Management>
+<Ventilation System, automates, Resource Estimation>
+<Waste Rock Management, safety, start>
+<Waste Rock Management, sells, Noise Management>
+<start, reports, Emergency Response Planning>
diff --git a/test/mermaid/easy/mermaid_111.mmd b/test/mermaid/easy/mermaid_111.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..69afeb3b89b3ac34bf75e84125a5bbb62458007a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_111.mmd
@@ -0,0 +1,44 @@
+graph BT
+    N0([Geotechnical Stability Analysis])
+    N1([Core Logging])
+    N2[[Geological Survey]]
+    N3([Exploration])
+    N4[(Smelting)]
+    N5[[Underground Mining Operations]]
+    N6[/Feasibility Study/]
+    N7(Equipment Maintenance)
+    N8(Resource Estimation)
+    N9([end])
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> |separates| N3
+    N3 --> |forecasts| N4
+    N4 -.-> |extracts| N5
+    N5 -.-> |processes| N6
+    N6 --> N7
+    N7 --> |analyzes| N8
+    N8 -.-> N9
+    N0 --> |regulates| N9
+    N4 --> |funds| N3
+    style N0 fill:#F0F0F0,stroke:#D2D2D2
+    style N1 fill:#FFFDE0,stroke:#FFF8A6
+    style N2 fill:#FFFDE0,stroke:#FFF8A6
+    style N3 fill:#F8BBD0,stroke:#E91E63
+    style N4 fill:#F8BBD0,stroke:#E91E63
+    style N5 fill:#F0F0F0,stroke:#D2D2D2
+    style N6 fill:#F0F0F0,stroke:#D2D2D2
+    style N7 fill:#FFFDE0,stroke:#FFF8A6
+    style N8 fill:#F0F0F0,stroke:#D2D2D2
+    style N9 fill:#F8BBD0,stroke:#E91E63
+    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:#D2D2D2,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:#E91E63,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;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_112.txt b/test/mermaid/easy/mermaid_112.txt
new file mode 100644
index 0000000000000000000000000000000000000000..eff5127756ceac5b06896ed80b7d047c89b63899
--- /dev/null
+++ b/test/mermaid/easy/mermaid_112.txt
@@ -0,0 +1,12 @@
+<Autonomous Vessels, charts, Pilotage>
+<Autonomous Vessels, connectedTo, Search and Rescue Coordination>
+<Cargo Loading, connectedTo, Port Operations>
+<Digitalization of Shipping, connectedTo, Marine Safety Inspection>
+<Fuel Consumption Optimization, connectedTo, Autonomous Vessels>
+<Green Shipping Initiatives, supplies, Voyage Optimization>
+<Marine Safety Inspection, monitors, Fuel Consumption Optimization>
+<Pilotage, connectedTo, Digitalization of Shipping>
+<Port Operations, reports, Green Shipping Initiatives>
+<Search and Rescue Coordination, connectedTo, Subsea Cable Laying>
+<Voyage Optimization, alerts, Pilotage>
+<start, forecasts, Cargo Loading>
diff --git a/test/mermaid/easy/mermaid_113.mmd b/test/mermaid/easy/mermaid_113.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..bea84a389dc3fcff8f19d660440de2139383d1c7
--- /dev/null
+++ b/test/mermaid/easy/mermaid_113.mmd
@@ -0,0 +1,40 @@
+graph TD
+    N0([start])
+    N1([Port Congestion Management])
+    N2[(Hydrographic Surveying)]
+    N3{Inland Waterway Transport}
+    N4([Marine Insurance])
+    N5(Bunkering)
+    N6[(Marine Safety Inspection)]
+    N7(Maritime Security)
+    N8([Autonomous Vessels])
+    N0 --> N1
+    N1 -.-> |rescues| N2
+    N2 -.-> |charts| N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> |audits| N7
+    N7 --> |operates| N8
+    N6 -.-> |builds| N5
+    N3 --> N8
+    style N0 fill:#F1F8E9,stroke:#81C784
+    style N1 fill:#FFFDE7,stroke:#FBC02D
+    style N2 fill:#FFFDE7,stroke:#FBC02D
+    style N3 fill:#F1F8E9,stroke:#81C784
+    style N4 fill:#F5F5F5,stroke:#BDBDBD
+    style N5 fill:#FFFDE7,stroke:#FBC02D
+    style N6 fill:#FFFDE7,stroke:#FBC02D
+    style N7 fill:#F1F8E9,stroke:#81C784
+    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:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,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:#FBC02D,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_115.txt b/test/mermaid/easy/mermaid_115.txt
new file mode 100644
index 0000000000000000000000000000000000000000..995ac6a6c37a113929558ea9776b0a9423b3f94a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_115.txt
@@ -0,0 +1,10 @@
+<Astronaut Training, protects, Re_entry Vehicle Design>
+<Autonomous Rendezvous and Docking, predicts, Spacecraft Control>
+<Data Acquisition, licenses, Space Debris Mitigation>
+<Microgravity Experiments, connectedTo, Spacecraft Control>
+<Microgravity Experiments, controls, Data Acquisition>
+<Planetary Science Research, connectedTo, end>
+<Re_entry Vehicle Design, connectedTo, Autonomous Rendezvous and Docking>
+<Space Debris Mitigation, connectedTo, Planetary Science Research>
+<Spacecraft Control, manages, Microgravity Experiments>
+<end, secures, Data Acquisition>
diff --git a/test/mermaid/easy/mermaid_116.txt b/test/mermaid/easy/mermaid_116.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bacac5fb49109ba11edd14a9fc994fcfdaa0ccd7
--- /dev/null
+++ b/test/mermaid/easy/mermaid_116.txt
@@ -0,0 +1,11 @@
+<Data Acquisition, connectedTo, In_Situ Resource Utilization>
+<Ground Station Operations, connectedTo, Planetary Science Research>
+<In_Situ Resource Utilization, connectedTo, Payload Development>
+<Launch Operations, connectedTo, Radiation Shielding Design>
+<Life Support Systems, connectedTo, Robotics for Space Exploration>
+<Life Support Systems, funds, Space Tourism Development>
+<Payload Development, budgets, Launch Operations>
+<Planetary Science Research, tests, Data Acquisition>
+<Radiation Shielding Design, analyzes, Robotics for Space Exploration>
+<Robotics for Space Exploration, connectedTo, Sample Return Missions>
+<Sample Return Missions, explores, Life Support Systems>
diff --git a/test/mermaid/easy/mermaid_117.txt b/test/mermaid/easy/mermaid_117.txt
new file mode 100644
index 0000000000000000000000000000000000000000..770effcfb99297a2e3f7bb555e5af411ef6b791e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_117.txt
@@ -0,0 +1,10 @@
+<Deep Space Communications, analyzes, Mission Design>
+<In_Situ Resource Utilization, licenses, Interplanetary Trajectory Calculation>
+<Interplanetary Trajectory Calculation, connectedTo, Deep Space Communications>
+<Launch Operations, controls, In_Situ Resource Utilization>
+<Mission Design, connectedTo, New Space Technology Development>
+<New Space Technology Development, partners, Rocket Propulsion Development>
+<Rocket Propulsion Development, connectedTo, New Space Technology Development>
+<Rocket Propulsion Development, connectedTo, end>
+<Telemetry Monitoring, connectedTo, Launch Operations>
+<start, connectedTo, Telemetry Monitoring>
diff --git a/test/mermaid/easy/mermaid_118.mmd b/test/mermaid/easy/mermaid_118.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1f9f75332cc7144c71616f4a0fbc7095b6574df8
--- /dev/null
+++ b/test/mermaid/easy/mermaid_118.mmd
@@ -0,0 +1,34 @@
+graph TD
+    N0([Ice Sheet Dynamics])
+    N1[(Renewable Energy Potential Assessment)]
+    N2[[Carbon Sequestration Technologies]]
+    N3[/Biodiversity Impact Assessment/]
+    N4{Atmospheric Monitoring}
+    N5[Adaptation Strategy Development]
+    N6[Data Collection]
+    N7([Ocean Acidification Studies])
+    N0 -.-> N1
+    N1 -.-> |strategies| N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> |recommends| N5
+    N5 -.-> N6
+    N6 --> |visualizes| N7
+    N7 --> |interprets| N3
+    style N0 fill:#E0F2F1,stroke:#4DB6AC
+    style N1 fill:#E0F2F1,stroke:#4DB6AC
+    style N2 fill:#FFDAB9,stroke:#FFC085
+    style N3 fill:#E8F5E9,stroke:#66BB6A
+    style N4 fill:#E0F2F1,stroke:#4DB6AC
+    style N5 fill:#E0F2F1,stroke:#4DB6AC
+    style N6 fill:#FFDAB9,stroke:#FFC085
+    style N7 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:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4DB6AC,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:#4DB6AC,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_118.txt b/test/mermaid/easy/mermaid_118.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5856e2f42855cc47d6f7640e4e2b7682c9b367bf
--- /dev/null
+++ b/test/mermaid/easy/mermaid_118.txt
@@ -0,0 +1,8 @@
+<Adaptation Strategy Development, connectedTo, Data Collection>
+<Atmospheric Monitoring, recommends, Adaptation Strategy Development>
+<Biodiversity Impact Assessment, connectedTo, Atmospheric Monitoring>
+<Carbon Sequestration Technologies, connectedTo, Biodiversity Impact Assessment>
+<Data Collection, visualizes, Ocean Acidification Studies>
+<Ice Sheet Dynamics, connectedTo, Renewable Energy Potential Assessment>
+<Ocean Acidification Studies, interprets, Biodiversity Impact Assessment>
+<Renewable Energy Potential Assessment, strategies, Carbon Sequestration Technologies>
diff --git a/test/mermaid/easy/mermaid_119.mmd b/test/mermaid/easy/mermaid_119.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..76d4d784b584dc58a7993076acfa1bc006effc33
--- /dev/null
+++ b/test/mermaid/easy/mermaid_119.mmd
@@ -0,0 +1,36 @@
+graph BT
+    N0([start])
+    N1([Indigenous Knowledge Integration])
+    N2[[Ocean Acidification Studies]]
+    N3(Arctic and Antarctic Research)
+    N4([Flood Risk Assessment])
+    N5{Permafrost Thaw Assessment}
+    N6(Ocean Current Analysis)
+    N7([Climate Policy Analysis])
+    N0 --> N1
+    N1 -.-> |studies| N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> |informs| N6
+    N6 -.-> |observes| N7
+    N7 -.-> |vulnerabilities| N1
+    N6 --> |forecasts| N3
+    style N0 fill:#F0F4C3,stroke:#AED581
+    style N1 fill:#DDCEDD,stroke:#AF56A6
+    style N2 fill:#FFFAE0,stroke:#FFE470
+    style N3 fill:#FFFAE0,stroke:#FFE470
+    style N4 fill:#FFFAE0,stroke:#FFE470
+    style N5 fill:#F0F4C3,stroke:#AED581
+    style N6 fill:#F0F4C3,stroke:#AED581
+    style N7 fill:#FFFAE0,stroke:#FFE470
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFE470,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFE470,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:#FFE470,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_12.txt b/test/mermaid/easy/mermaid_12.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e22ad2fb27d1bc451b0a76315b39fa13038829e8
--- /dev/null
+++ b/test/mermaid/easy/mermaid_12.txt
@@ -0,0 +1,9 @@
+<Attendance Tracking, recruits, Online Learning Platform Management>
+<Exam Conduct, connectedTo, Parent_Teacher Conference>
+<Field Trip Coordination, evaluates, end>
+<Lecture Delivery, connectedTo, School Accreditation>
+<Lecture Delivery, enrolls, Attendance Tracking>
+<Online Learning Platform Management, connectedTo, Field Trip Coordination>
+<Parent_Teacher Conference, connectedTo, School Accreditation>
+<School Accreditation, assesses, Lecture Delivery>
+<Student Enrollment, connectedTo, Exam Conduct>
diff --git a/test/mermaid/easy/mermaid_120.txt b/test/mermaid/easy/mermaid_120.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a77b0cca331d2677afc3434fa89dc783342f13ea
--- /dev/null
+++ b/test/mermaid/easy/mermaid_120.txt
@@ -0,0 +1,9 @@
+<Carbon Cycle Research, no, Ocean Acidification Studies>
+<Ecosystem Response Modeling, connectedTo, Carbon Cycle Research>
+<Green Technology Incubation, yes, Mitigation Technology Evaluation>
+<Mitigation Technology Evaluation, connectedTo, Remote Sensing for Climate>
+<Ocean Acidification Studies, connectedTo, end>
+<Paleoclimate Reconstruction, connectedTo, Ecosystem Response Modeling>
+<Paleoclimate Reconstruction, connectedTo, Green Technology Incubation>
+<Remote Sensing for Climate, no, Ecosystem Response Modeling>
+<start, no, Paleoclimate Reconstruction>
diff --git a/test/mermaid/easy/mermaid_122.mmd b/test/mermaid/easy/mermaid_122.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e2a28a392a316b03354626bad440ea97106447da
--- /dev/null
+++ b/test/mermaid/easy/mermaid_122.mmd
@@ -0,0 +1,42 @@
+graph TD
+    N0([start])
+    N1(Ocean_Atmosphere Interaction Study)
+    N2(Pollution Dispersion Modeling)
+    N3[(Cloud Observation)]
+    N4[/Fire Weather Forecasting/]
+    N5([Climate Data Archiving])
+    N6[[Climate Change Impact Study]]
+    N7{Atmospheric Data Collection}
+    N8[/Wind Speed and Direction/]
+    N9([end])
+    N0 -.-> |advises| N1
+    N1 -.-> |interprets| N2
+    N2 -.-> |warns| N3
+    N3 --> N4
+    N4 --> |maps| N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> |classifies| N8
+    N8 --> |validates| N9
+    N3 -.-> N2
+    style N0 fill:#C5CAE9,stroke:#3F51B5
+    style N1 fill:#FFF9D4,stroke:#FFE69C
+    style N2 fill:#D0E0F8,stroke:#4285F4
+    style N3 fill:#C5CAE9,stroke:#3F51B5
+    style N4 fill:#C5CAE9,stroke:#3F51B5
+    style N5 fill:#FFF9D4,stroke:#FFE69C
+    style N6 fill:#FFF9D4,stroke:#FFE69C
+    style N7 fill:#C5CAE9,stroke:#3F51B5
+    style N8 fill:#D0E0F8,stroke:#4285F4
+    style N9 fill:#FFF9D4,stroke:#FFE69C
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFE69C,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:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,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_123.mmd b/test/mermaid/easy/mermaid_123.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..7a14d0bbd1db55da75c4ca58c9517aada6fc34b0
--- /dev/null
+++ b/test/mermaid/easy/mermaid_123.mmd
@@ -0,0 +1,34 @@
+graph TD
+    N0([start])
+    N1[Humidity Sensing]
+    N2[Atmospheric Sounding]
+    N3(Precipitation Measurement)
+    N4[/Boundary Layer Study/]
+    N5[[Temperature Monitoring]]
+    N6{Climate Change Impact Study}
+    N7([Tornado Watch or Warning])
+    N0 --> N1
+    N1 -.-> |monitors| N2
+    N2 --> |disseminates| N3
+    N3 -.-> |calibrates| N4
+    N4 --> |warns| N5
+    N5 --> N6
+    N6 -.-> |measures| N7
+    N6 --> N5
+    style N0 fill:#FFECB3,stroke:#FFC107
+    style N1 fill:#FFE88D,stroke:#FFDA4E
+    style N2 fill:#FFFAE0,stroke:#FFE470
+    style N3 fill:#FFE88D,stroke:#FFDA4E
+    style N4 fill:#FFECB3,stroke:#FFC107
+    style N5 fill:#FFE88D,stroke:#FFDA4E
+    style N6 fill:#FFE88D,stroke:#FFDA4E
+    style N7 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:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFC107,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:#FFC107,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_124.mmd b/test/mermaid/easy/mermaid_124.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..45fa9bf6759d48d196a4141e2865082c7e1dd469
--- /dev/null
+++ b/test/mermaid/easy/mermaid_124.mmd
@@ -0,0 +1,34 @@
+graph TD
+    N0([start])
+    N1(Smart Waste Bins)
+    N2[[Landfill Operation]]
+    N3[(Waste Reduction Planning)]
+    N4([Construction and Demolition Waste Management])
+    N5[Textile Recycling]
+    N6[/Community Recycling Programs/]
+    N7([Anaerobic Digestion])
+    N8([Waste Management Policy Development])
+    N9([end])
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> |no| N3
+    N3 -.-> |no| N4
+    N4 --> |yes| N5
+    N5 --> |no| N6
+    N6 -.-> N7
+    N7 -.-> |no| N8
+    N8 --> N9
+    N6 --> |yes| N8
+    N7 -.-> |no| N1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#9FA9E1,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:#000000,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:#64B5F6,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_125.txt b/test/mermaid/easy/mermaid_125.txt
new file mode 100644
index 0000000000000000000000000000000000000000..28c403ffae23b094007765396694b744f42f5442
--- /dev/null
+++ b/test/mermaid/easy/mermaid_125.txt
@@ -0,0 +1,12 @@
+<Anaerobic Digestion, develops, Zero Waste Initiatives>
+<Biomedical Waste Handling, extracts, Closed_Loop Systems>
+<Closed_Loop Systems, connectedTo, Waste Incineration>
+<Container Management, connectedTo, Waste Logistics Optimization>
+<Electronic Waste Recycling, connectedTo, Biomedical Waste Handling>
+<Illegal Dumping Monitoring, connectedTo, Smart Waste Bins>
+<Public Education on Waste, innovates, Electronic Waste Recycling>
+<Smart Waste Bins, reuses, Public Education on Waste>
+<Waste Incineration, measures, Container Management>
+<Waste Incineration, minimizes, Illegal Dumping Monitoring>
+<Waste Logistics Optimization, connectedTo, Anaerobic Digestion>
+<Zero Waste Initiatives, connectedTo, Waste Logistics Optimization>
diff --git a/test/mermaid/easy/mermaid_126.mmd b/test/mermaid/easy/mermaid_126.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d5d1e3f90d6364ede7d9ca32fc5b4fd16b929162
--- /dev/null
+++ b/test/mermaid/easy/mermaid_126.mmd
@@ -0,0 +1,50 @@
+graph TD
+    N0([Public Education on Waste])
+    N1([Waste Sorting])
+    N2[(Landfill Operation)]
+    N3(Organics Collection)
+    N4(Material Recovery Facility Operation)
+    N5[(Plastic Recycling Technologies)]
+    N6[/Waste Reduction Planning/]
+    N7(Metal Recycling)
+    N8(Closed_Loop Systems)
+    N9(Circular Economy Initiatives)
+    N10[/Construction and Demolition Waste Management/]
+    N11([Anaerobic Digestion])
+    N0 --> N1
+    N1 -.-> |manages| N2
+    N2 --> N3
+    N3 -.-> |permits| N4
+    N4 -.-> N5
+    N5 -.-> |plans| N6
+    N6 --> |recycles| N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> |extracts| N10
+    N10 -.-> N11
+    N10 --> N3
+    style N0 fill:#F8BBD0,stroke:#E91E63
+    style N1 fill:#B2EBF2,stroke:#00BCD4
+    style N2 fill:#ECCFF5,stroke:#CD8FF2
+    style N3 fill:#F8BBD0,stroke:#E91E63
+    style N4 fill:#ECCFF5,stroke:#CD8FF2
+    style N5 fill:#ECCFF5,stroke:#CD8FF2
+    style N6 fill:#F8BBD0,stroke:#E91E63
+    style N7 fill:#F8BBD0,stroke:#E91E63
+    style N8 fill:#F8BBD0,stroke:#E91E63
+    style N9 fill:#ECCFF5,stroke:#CD8FF2
+    style N10 fill:#F8BBD0,stroke:#E91E63
+    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:#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:#CD8FF2,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:#000000,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:#E91E63,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/easy/mermaid_127.txt b/test/mermaid/easy/mermaid_127.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a51c964fc7250b8cc7ceabe1daed329f0d7d0098
--- /dev/null
+++ b/test/mermaid/easy/mermaid_127.txt
@@ -0,0 +1,10 @@
+<Desalination, supplies, Water Meter Reading>
+<Drinking Water Standards Compliance, connectedTo, Wastewater Treatment>
+<Reservoir Operation, connectedTo, Wastewater Treatment>
+<Reservoir Operation, irrigates, Water Conservation Planning>
+<Sewer System Inspection, connectedTo, Drinking Water Standards Compliance>
+<Wastewater Treatment, connectedTo, Groundwater Management>
+<Water Conservation Planning, connectedTo, Sewer System Inspection>
+<Water Meter Reading, collects, Drinking Water Standards Compliance>
+<Water Meter Reading, maintains, Reservoir Operation>
+<start, connectedTo, Desalination>
diff --git a/test/mermaid/easy/mermaid_128.txt b/test/mermaid/easy/mermaid_128.txt
new file mode 100644
index 0000000000000000000000000000000000000000..12aff7ab81ee03406b3d96cd1fe3701dc3d76c4d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_128.txt
@@ -0,0 +1,9 @@
+<Climate Change Adaptation for Water, analyzes, Water Distribution>
+<Desalination, monitors, Environmental Flow Assessment>
+<Drinking Water Standards Compliance, treats, Water Resource Planning>
+<Environmental Flow Assessment, evaluates, Stormwater Management>
+<Environmental Flow Assessment, warns, Public Awareness Campaigns>
+<Public Awareness Campaigns, connectedTo, Water Infrastructure Maintenance>
+<Stormwater Management, connectedTo, Drinking Water Standards Compliance>
+<Water Infrastructure Maintenance, reports, Climate Change Adaptation for Water>
+<Water Resource Planning, connectedTo, Public Awareness Campaigns>
diff --git a/test/mermaid/easy/mermaid_13.mmd b/test/mermaid/easy/mermaid_13.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..81f9571e9fa56fec1cf8507d4bcc424ec62fb531
--- /dev/null
+++ b/test/mermaid/easy/mermaid_13.mmd
@@ -0,0 +1,44 @@
+graph RL
+    N0([Data Analytics Reporting])
+    N1(Social Media Integration)
+    N2[[Price Adjustment]]
+    N3[[Promotion Application]]
+    N4[Checkout]
+    N5(User Account Management)
+    N6(A or B Testing)
+    N7[Wishlist Management]
+    N8[/Cart Abandonment/]
+    N9([Mobile App Interaction])
+    N0 -.-> |recommends| N1
+    N1 --> |updates| N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> |promotes| N5
+    N5 --> N6
+    N6 -.-> |bundles| N7
+    N7 -.-> |generates| N8
+    N8 -.-> N9
+    N0 -.-> |refunds| N4
+    N2 --> N4
+    style N0 fill:#EDE7F6,stroke:#9575CD
+    style N1 fill:#EDE7F6,stroke:#9575CD
+    style N2 fill:#FFF3E0,stroke:#FFB74D
+    style N3 fill:#EDE7F6,stroke:#9575CD
+    style N4 fill:#FFF3E0,stroke:#FFB74D
+    style N5 fill:#FFFDE0,stroke:#FFF8A6
+    style N6 fill:#FFF3E0,stroke:#FFB74D
+    style N7 fill:#FFF3E0,stroke:#FFB74D
+    style N8 fill:#EDE7F6,stroke:#9575CD
+    style N9 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:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,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:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFB74D,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;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_13.txt b/test/mermaid/easy/mermaid_13.txt
new file mode 100644
index 0000000000000000000000000000000000000000..227e36aff4e795dc9e886db33947f79d4dffa23a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_13.txt
@@ -0,0 +1,11 @@
+<A or B Testing, bundles, Wishlist Management>
+<Cart Abandonment, connectedTo, Mobile App Interaction>
+<Checkout, promotes, User Account Management>
+<Data Analytics Reporting, recommends, Social Media Integration>
+<Data Analytics Reporting, refunds, Checkout>
+<Price Adjustment, connectedTo, Checkout>
+<Price Adjustment, connectedTo, Promotion Application>
+<Promotion Application, connectedTo, Checkout>
+<Social Media Integration, updates, Price Adjustment>
+<User Account Management, connectedTo, A or B Testing>
+<Wishlist Management, generates, Cart Abandonment>
diff --git a/test/mermaid/easy/mermaid_130.txt b/test/mermaid/easy/mermaid_130.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bf33da111546bda8e88f93648bc8c5b47d1612c4
--- /dev/null
+++ b/test/mermaid/easy/mermaid_130.txt
@@ -0,0 +1,12 @@
+<Circular Economy Implementation, connectedTo, Closed_Loop Material Flow>
+<Closed_Loop Material Flow, tests, end>
+<Collection Point Management, connectedTo, Recycling Market Development>
+<Composting Organic Waste, connectedTo, Paper Recycling>
+<Composting Organic Waste, shreds, Metal Recycling>
+<Deposit_Return Schemes, grades, Collection Point Management>
+<Deposit_Return Schemes, partners, Glass Recycling>
+<Glass Recycling, tracks, Circular Economy Implementation>
+<Metal Recycling, classifies, Glass Recycling>
+<Paper Recycling, measures, Composting Organic Waste>
+<Recycling Market Development, melts, Sorting and Segregation>
+<Sorting and Segregation, connectedTo, Paper Recycling>
diff --git a/test/mermaid/easy/mermaid_131.mmd b/test/mermaid/easy/mermaid_131.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..8f0987e340bf4ccd1e97b3b7b9f547879719080f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_131.mmd
@@ -0,0 +1,34 @@
+graph TD
+    N0([start])
+    N1[[Recycling Data Tracking]]
+    N2[Closed_Loop Material Flow]
+    N3(Life Cycle Assessment)
+    N4[Textile Recycling]
+    N5[[Construction Waste Recycling]]
+    N6(Material Purity Testing)
+    N7([Circular Economy Implementation])
+    N0 -.-> |promotes| N1
+    N1 -.-> |designs| N2
+    N2 --> N3
+    N3 -.-> |certifies| N4
+    N4 --> |assesses| N5
+    N5 --> |subsidizes| N6
+    N6 --> N7
+    N1 -.-> N3
+    style N0 fill:#FFF6D9,stroke:#FFCC7A
+    style N1 fill:#FFCDD2,stroke:#F44336
+    style N2 fill:#FFF6D9,stroke:#FFCC7A
+    style N3 fill:#E8EAF6,stroke:#5C6BC0
+    style N4 fill:#E8EAF6,stroke:#5C6BC0
+    style N5 fill:#FFF6D9,stroke:#FFCC7A
+    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:#F44336,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:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#5C6BC0,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_131.txt b/test/mermaid/easy/mermaid_131.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bd5f11cb60697c09df687de3fe29d00b143dbe79
--- /dev/null
+++ b/test/mermaid/easy/mermaid_131.txt
@@ -0,0 +1,8 @@
+<Closed_Loop Material Flow, connectedTo, Life Cycle Assessment>
+<Construction Waste Recycling, subsidizes, Material Purity Testing>
+<Life Cycle Assessment, certifies, Textile Recycling>
+<Material Purity Testing, connectedTo, Circular Economy Implementation>
+<Recycling Data Tracking, connectedTo, Life Cycle Assessment>
+<Recycling Data Tracking, designs, Closed_Loop Material Flow>
+<Textile Recycling, assesses, Construction Waste Recycling>
+<start, promotes, Recycling Data Tracking>
diff --git a/test/mermaid/easy/mermaid_132.txt b/test/mermaid/easy/mermaid_132.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0fdf628d18b6d04c0aa710fa6b3244dec9ca7650
--- /dev/null
+++ b/test/mermaid/easy/mermaid_132.txt
@@ -0,0 +1,9 @@
+<Commercial Recycling Solutions, connectedTo, Recycling Infrastructure Development>
+<Commercial Recycling Solutions, forms, Plastic Recycling>
+<Construction Waste Recycling, collects, Commercial Recycling Solutions>
+<Construction Waste Recycling, segregates, Product Design for Recyclability>
+<Hazardous Material Recovery, reduces, New Product Manufacturing>
+<New Product Manufacturing, connectedTo, Recycling Facility Optimization>
+<Product Design for Recyclability, connectedTo, Commercial Recycling Solutions>
+<Recycling Facility Optimization, audits, Construction Waste Recycling>
+<Recycling Infrastructure Development, cleans, Plastic Recycling>
diff --git a/test/mermaid/easy/mermaid_134.mmd b/test/mermaid/easy/mermaid_134.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..2b0c5c8fa8e095b55808fa7f7148f9adac1ad426
--- /dev/null
+++ b/test/mermaid/easy/mermaid_134.mmd
@@ -0,0 +1,52 @@
+graph RL
+    N0([start])
+    N1([Forest Research])
+    N2[Recreation Management]
+    N3(Illegal Logging Prevention)
+    N4[/GIS Mapping for Forestry/]
+    N5[(Forest Fire Management)]
+    N6[/Climate Change Adaptation in Forests/]
+    N7(Ecological Restoration)
+    N8(Forest Carbon Accounting)
+    N9[[Wildlife Habitat Management]]
+    N10[[Drone Surveying for Forests]]
+    N11([Forest Road Construction])
+    N0 -.-> N1
+    N1 -.-> |grades| N2
+    N2 --> |harvests| N3
+    N3 --> N4
+    N4 --> |restores| N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> |controls| N8
+    N8 -.-> N9
+    N9 --> |prevents| N10
+    N10 --> N11
+    N2 -.-> N7
+    N3 -.-> |maps| N2
+    style N0 fill:#D3D7EB,stroke:#8C9EFF
+    style N1 fill:#D3D7EB,stroke:#8C9EFF
+    style N2 fill:#D3D7EB,stroke:#8C9EFF
+    style N3 fill:#D3D7EB,stroke:#8C9EFF
+    style N4 fill:#D3D7EB,stroke:#8C9EFF
+    style N5 fill:#FCFCE7,stroke:#DCE775
+    style N6 fill:#D3D7EB,stroke:#8C9EFF
+    style N7 fill:#FFEBEB,stroke:#FFC2C2
+    style N8 fill:#D3D7EB,stroke:#8C9EFF
+    style N9 fill:#FFEBEB,stroke:#FFC2C2
+    style N10 fill:#D3D7EB,stroke:#8C9EFF
+    style N11 fill:#FFEBEB,stroke:#FFC2C2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,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:#DCE775,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:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFC2C2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_135.mmd b/test/mermaid/easy/mermaid_135.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..62351a6743e57fa6dd4d99d3dd331376775294bd
--- /dev/null
+++ b/test/mermaid/easy/mermaid_135.mmd
@@ -0,0 +1,48 @@
+graph RL
+    N0([Forest Fire Management])
+    N1[Logging Operations]
+    N2[[Silviculture]]
+    N3{Wildlife Habitat Management}
+    N4(Forest Road Construction)
+    N5[/Afforestation/]
+    N6[(Watershed Protection)]
+    N7(Soil Conservation)
+    N8(Ecological Restoration)
+    N9([Illegal Logging Prevention])
+    N10([end])
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> |assesses| N3
+    N3 --> N4
+    N4 --> |surveys| N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> |educates| N8
+    N8 -.-> |certifies| N9
+    N9 -.-> |restricts| N10
+    N1 --> |plants| N5
+    N1 --> |protects| N7
+    style N0 fill:#E8F5E9,stroke:#66BB6A
+    style N1 fill:#F0F4C3,stroke:#AED581
+    style N2 fill:#F0F4C3,stroke:#AED581
+    style N3 fill:#DDCEDD,stroke:#AF56A6
+    style N4 fill:#E8F5E9,stroke:#66BB6A
+    style N5 fill:#F0F4C3,stroke:#AED581
+    style N6 fill:#F0F4C3,stroke:#AED581
+    style N7 fill:#DDCEDD,stroke:#AF56A6
+    style N8 fill:#E8F5E9,stroke:#66BB6A
+    style N9 fill:#F0F4C3,stroke:#AED581
+    style N10 fill:#F0F4C3,stroke:#AED581
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#66BB6A,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AF56A6,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#AED581,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_135.txt b/test/mermaid/easy/mermaid_135.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a59cd6f7f499f153ff19642ec92b8efcfd7bd3b6
--- /dev/null
+++ b/test/mermaid/easy/mermaid_135.txt
@@ -0,0 +1,12 @@
+<Afforestation, connectedTo, Watershed Protection>
+<Ecological Restoration, certifies, Illegal Logging Prevention>
+<Forest Fire Management, connectedTo, Logging Operations>
+<Forest Road Construction, surveys, Afforestation>
+<Illegal Logging Prevention, restricts, end>
+<Logging Operations, connectedTo, Silviculture>
+<Logging Operations, plants, Afforestation>
+<Logging Operations, protects, Soil Conservation>
+<Silviculture, assesses, Wildlife Habitat Management>
+<Soil Conservation, educates, Ecological Restoration>
+<Watershed Protection, connectedTo, Soil Conservation>
+<Wildlife Habitat Management, connectedTo, Forest Road Construction>
diff --git a/test/mermaid/easy/mermaid_136.mmd b/test/mermaid/easy/mermaid_136.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..cc0f967f8a95446a14802e6f0f30a6461351db91
--- /dev/null
+++ b/test/mermaid/easy/mermaid_136.mmd
@@ -0,0 +1,40 @@
+graph TD
+    N0([start])
+    N1[Farm Animal Health Management]
+    N2(Allergy Testing)
+    N3{Pet Check_up}
+    N4([Equine Care])
+    N5[Hospice Care for Animals]
+    N6[[Pharmacy Management]]
+    N7(Emergency Vet Services)
+    N8[Wildlife Rehabilitation]
+    N9[(Post_operative Care)]
+    N10[(Medical Treatment)]
+    N11([end])
+    N0 -.-> |no| N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> |no| N4
+    N4 --> |yes| N5
+    N5 --> |yes| N6
+    N6 -.-> N7
+    N7 -.-> |yes| N8
+    N8 -.-> |no| N9
+    N9 -.-> N10
+    N10 --> N11
+    N10 --> |yes| N4
+    N10 -.-> N7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#9C27B0,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:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#03A9F4,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_137.txt b/test/mermaid/easy/mermaid_137.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9fd755cf0e915d825f4eec88230b423c7a2762c7
--- /dev/null
+++ b/test/mermaid/easy/mermaid_137.txt
@@ -0,0 +1,12 @@
+<Allergy Testing, rehabilitates, Parasite Control>
+<Allergy Testing, treats, Pet Check_up>
+<Behavioral Counseling, connectedTo, Herd Health Programs>
+<Genetic Counseling for Animals, connectedTo, Public Health Vet Services>
+<Genetic Counseling for Animals, medicates, Veterinary Technology Training>
+<Herd Health Programs, connectedTo, Pain Management>
+<Imaging Services, connectedTo, Public Health Vet Services>
+<Pain Management, reproduces, Allergy Testing>
+<Pet Check_up, tests, Reproductive Services>
+<Public Health Vet Services, euthanizes, Parasite Control>
+<Reproductive Services, connectedTo, Imaging Services>
+<Veterinary Technology Training, examines, Behavioral Counseling>
diff --git a/test/mermaid/easy/mermaid_139.txt b/test/mermaid/easy/mermaid_139.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dac93018b713242bdbb884c8091bbe102b8c1401
--- /dev/null
+++ b/test/mermaid/easy/mermaid_139.txt
@@ -0,0 +1,10 @@
+<Childcare Facility Licensing, teaches, Field Trip Organization>
+<Field Trip Organization, feeds, Nap Time Supervision>
+<Infant Care, engages, Story Time Reading>
+<Nap Time Supervision, connectedTo, end>
+<Outdoor Play Supervision, cleans, Childcare Facility Licensing>
+<Outdoor Play Supervision, connectedTo, Playground Safety Inspection>
+<Playground Safety Inspection, inspects, Teacher_Child Ratio Management>
+<Story Time Reading, disciplines, Childcare Facility Licensing>
+<Teacher_Child Ratio Management, protects, Infant Care>
+<end, connectedTo, Childcare Facility Licensing>
diff --git a/test/mermaid/easy/mermaid_14.mmd b/test/mermaid/easy/mermaid_14.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..355e14b284b1dd988dc82b2017773c18b914a873
--- /dev/null
+++ b/test/mermaid/easy/mermaid_14.mmd
@@ -0,0 +1,52 @@
+graph TD
+    N0([Affiliate Marketing])
+    N1[(Search Engine Optimization)]
+    N2{User Account Management}
+    N3[/Inventory Update/]
+    N4(Promotion Application)
+    N5[[Shipment]]
+    N6[[Invoice Generation]]
+    N7(Live Chat Support)
+    N8(Subscription Service)
+    N9(Mobile App Interaction)
+    N10[[Cart Abandonment]]
+    N11([Warehouse Management])
+    N0 --> |recommends| N1
+    N1 --> |notifies| N2
+    N2 -.-> N3
+    N3 --> |reviews| N4
+    N4 --> |lists| N5
+    N5 -.-> |promotes| N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> |ships| N9
+    N9 --> N10
+    N10 --> |inquires| N11
+    N5 --> N1
+    N11 --> |supports| N6
+    style N0 fill:#FFF6D9,stroke:#FFCC7A
+    style N1 fill:#FFF6D9,stroke:#FFCC7A
+    style N2 fill:#CADEDE,stroke:#94C0C0
+    style N3 fill:#BBDEFB,stroke:#2196F3
+    style N4 fill:#BBDEFB,stroke:#2196F3
+    style N5 fill:#BBDEFB,stroke:#2196F3
+    style N6 fill:#CADEDE,stroke:#94C0C0
+    style N7 fill:#CADEDE,stroke:#94C0C0
+    style N8 fill:#BBDEFB,stroke:#2196F3
+    style N9 fill:#FFF6D9,stroke:#FFCC7A
+    style N10 fill:#BBDEFB,stroke:#2196F3
+    style N11 fill:#CADEDE,stroke:#94C0C0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#94C0C0,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:#94C0C0,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:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFCC7A,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_14.txt b/test/mermaid/easy/mermaid_14.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4b20eb42779336c124226100443631046a0c639c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_14.txt
@@ -0,0 +1,13 @@
+<Affiliate Marketing, recommends, Search Engine Optimization>
+<Cart Abandonment, inquires, Warehouse Management>
+<Inventory Update, reviews, Promotion Application>
+<Invoice Generation, connectedTo, Live Chat Support>
+<Live Chat Support, connectedTo, Subscription Service>
+<Mobile App Interaction, connectedTo, Cart Abandonment>
+<Promotion Application, lists, Shipment>
+<Search Engine Optimization, notifies, User Account Management>
+<Shipment, connectedTo, Search Engine Optimization>
+<Shipment, promotes, Invoice Generation>
+<Subscription Service, ships, Mobile App Interaction>
+<User Account Management, connectedTo, Inventory Update>
+<Warehouse Management, supports, Invoice Generation>
diff --git a/test/mermaid/easy/mermaid_140.txt b/test/mermaid/easy/mermaid_140.txt
new file mode 100644
index 0000000000000000000000000000000000000000..44094f8e8b854124acf46ffd50232ef4d76dd4ff
--- /dev/null
+++ b/test/mermaid/easy/mermaid_140.txt
@@ -0,0 +1,11 @@
+<Child Psychology Application, accommodates, Motor Skill Development>
+<Childcare Facility Licensing, connectedTo, end>
+<Hygiene Practices, connectedTo, Parent Communication>
+<Learning Material Selection, connectedTo, Toddler Activities>
+<Motor Skill Development, advises, Hygiene Practices>
+<Parent Communication, connectedTo, Parent_Teacher Conferences>
+<Parent Communication, manages, Childcare Facility Licensing>
+<Parent_Teacher Conferences, connectedTo, Social Skill Development>
+<Social Skill Development, certifies, Child Psychology Application>
+<Toddler Activities, engages, Parent_Teacher Conferences>
+<start, enrolls, Learning Material Selection>
diff --git a/test/mermaid/easy/mermaid_141.txt b/test/mermaid/easy/mermaid_141.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8a4116debe6193ba9fc170a5d20bc62d909c6a6f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_141.txt
@@ -0,0 +1,11 @@
+<Childcare Facility Licensing, feeds, Social Skill Development>
+<Curriculum Planning, plays with, Sensory Play>
+<Daily Activity Reporting, certifies, Staff Training and Certification>
+<Field Trip Organization, connectedTo, Nap Time Supervision>
+<Hygiene Practices, maintains, Daily Activity Reporting>
+<Nap Time Supervision, connectedTo, Playground Safety Inspection>
+<Nutritional Meal Preparation, licenses, Hygiene Practices>
+<Playground Safety Inspection, connectedTo, Nutritional Meal Preparation>
+<Social Skill Development, connectedTo, Curriculum Planning>
+<Social Skill Development, inspects, Daily Activity Reporting>
+<Staff Training and Certification, connectedTo, Childcare Facility Licensing>
diff --git a/test/mermaid/easy/mermaid_142.txt b/test/mermaid/easy/mermaid_142.txt
new file mode 100644
index 0000000000000000000000000000000000000000..518e2e74e65764009eb7faed207727baa1694254
--- /dev/null
+++ b/test/mermaid/easy/mermaid_142.txt
@@ -0,0 +1,9 @@
+<Care Plan Development, yes, Health Monitoring>
+<Chronic Disease Management, connectedTo, Care Plan Development>
+<Health Monitoring, yes, Occupational Therapy>
+<Medication Management, yes, Social Engagement Activities>
+<Mobility Support, connectedTo, Medication Management>
+<Occupational Therapy, connectedTo, Mobility Support>
+<Social Engagement Activities, yes, end>
+<start, connectedTo, Chronic Disease Management>
+<start, no, Occupational Therapy>
diff --git a/test/mermaid/easy/mermaid_145.txt b/test/mermaid/easy/mermaid_145.txt
new file mode 100644
index 0000000000000000000000000000000000000000..716d461e357328195cbb3bd3b51754f5335bc910
--- /dev/null
+++ b/test/mermaid/easy/mermaid_145.txt
@@ -0,0 +1,11 @@
+<Capacity Building for Local Communities, yes, Evacuation Procedures>
+<Community Preparedness, connectedTo, Geographic Information Systems for Disasters>
+<Community Preparedness, yes, Evacuation Procedures>
+<Evacuation Procedures, yes, end>
+<Geographic Information Systems for Disasters, no, Logistics and Supply Chain>
+<Logistics and Supply Chain, connectedTo, Geographic Information Systems for Disasters>
+<Logistics and Supply Chain, connectedTo, Resilience Building>
+<Post_Disaster Evaluation, connectedTo, Capacity Building for Local Communities>
+<Resilience Building, yes, Post_Disaster Evaluation>
+<Volunteer Coordination, connectedTo, Community Preparedness>
+<start, yes, Volunteer Coordination>
diff --git a/test/mermaid/easy/mermaid_146.txt b/test/mermaid/easy/mermaid_146.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5c9cdd4d9329841ac776339304963abd2acc831e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_146.txt
@@ -0,0 +1,12 @@
+<Cash Transfer Programs, mobilizes, Debris Management>
+<Debris Management, rebuilds, Public Awareness Campaigns>
+<Early Warning Systems, connectedTo, Resilience Building>
+<Emergency Response, trains, Medical Aid Deployment>
+<Medical Aid Deployment, connectedTo, Early Warning Systems>
+<Policy and Legislation Review, coordinates, Cash Transfer Programs>
+<Post_Disaster Evaluation, connectedTo, Emergency Response>
+<Public Awareness Campaigns, connectedTo, Search and Rescue Operations>
+<Resilience Building, connectedTo, Hazard Identification>
+<Resilience Building, supports, Policy and Legislation Review>
+<Search and Rescue Operations, audits, Post_Disaster Evaluation>
+<start, drills, Policy and Legislation Review>
diff --git a/test/mermaid/easy/mermaid_147.txt b/test/mermaid/easy/mermaid_147.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fc6e4feead4d1255aa4cc0212a6879e702df9454
--- /dev/null
+++ b/test/mermaid/easy/mermaid_147.txt
@@ -0,0 +1,9 @@
+<Climate Change Adaptation for Disasters, connectedTo, Economic Recovery Initiatives>
+<Debris Management, connectedTo, Hazard Mapping>
+<Emergency Planning, donates, Debris Management>
+<Hazard Mapping, mobilizes, Mitigation Strategies>
+<Incident Command System, evaluates, Climate Change Adaptation for Disasters>
+<Incident Command System, trains, Economic Recovery Initiatives>
+<Medical Aid Deployment, connectedTo, Debris Management>
+<Medical Aid Deployment, restores, Incident Command System>
+<Mitigation Strategies, connectedTo, Medical Aid Deployment>
diff --git a/test/mermaid/easy/mermaid_148.mmd b/test/mermaid/easy/mermaid_148.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..75e6a78b9fcd98ced575d290fd37aad272aff38f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_148.mmd
@@ -0,0 +1,29 @@
+graph RL
+    N0([start])
+    N1([Electronic Warfare])
+    N2{Disaster Relief Deployment}
+    N3[Defense Procurement]
+    N4[(Crisis Management)]
+    N5(Air Operations)
+    N6[Surveillance]
+    N7(Civil_Military Cooperation)
+    N8([end])
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> |yes| N3
+    N3 -.-> |yes| N4
+    N4 -.-> |no| N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> |no| N8
+    N6 --> N8
+    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:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A2D0FF,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_149.txt b/test/mermaid/easy/mermaid_149.txt
new file mode 100644
index 0000000000000000000000000000000000000000..99a74fee3afb390a897f0772c78621c8009c90b6
--- /dev/null
+++ b/test/mermaid/easy/mermaid_149.txt
@@ -0,0 +1,13 @@
+<Air Operations, maps, Specialized Training>
+<Chaplain Services, connectedTo, Surveillance>
+<Civil_Military Cooperation, connectedTo, Rules of Engagement>
+<Crisis Management, connectedTo, Space Operations>
+<Equipment Maintenance, connectedTo, Space Operations>
+<Equipment Maintenance, deploys, Military Law>
+<Military Law, connectedTo, Crisis Management>
+<Peacekeeping Missions, negotiates, Equipment Maintenance>
+<Rules of Engagement, interdicts, Chaplain Services>
+<Space Operations, analyzes, Air Operations>
+<Space Operations, connectedTo, Surveillance>
+<Specialized Training, supplies, Civil_Military Cooperation>
+<Surveillance, warns, Military Strategy Development>
diff --git a/test/mermaid/easy/mermaid_151.txt b/test/mermaid/easy/mermaid_151.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4e50db5343a51bba906ae40d5dcd94932f0f39c2
--- /dev/null
+++ b/test/mermaid/easy/mermaid_151.txt
@@ -0,0 +1,10 @@
+<Airport Security Management, connectedTo, Delay Management>
+<Airworthiness Certification, connectedTo, Sustainable Aviation Fuel Development>
+<Crew Resource Management, certifies, Navigation System Check>
+<Crew Resource Management, flies, Sustainable Aviation Fuel Development>
+<Delay Management, connectedTo, Route Optimization>
+<Gate Assignment, connectedTo, Crew Resource Management>
+<Ground Support, connectedTo, Gate Assignment>
+<Route Optimization, maintains, Ground Support>
+<Sustainable Aviation Fuel Development, connectedTo, Weather Briefing>
+<Weather Briefing, secures, Airport Security Management>
diff --git a/test/mermaid/easy/mermaid_152.mmd b/test/mermaid/easy/mermaid_152.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..19753ba045b1a917a7afa1a644719f5d4e957eb2
--- /dev/null
+++ b/test/mermaid/easy/mermaid_152.mmd
@@ -0,0 +1,46 @@
+graph TD
+    N0([Noise Abatement Procedures])
+    N1[Aviation Safety Investigation]
+    N2[/Remote Tower Operations/]
+    N3{Sustainable Aviation Fuel Development}
+    N4[[Airport Operations]]
+    N5[Delay Management]
+    N6[Engine Overhaul]
+    N7{Crew Resource Management}
+    N8{Aircraft De_icing}
+    N9[/Air Cargo Logistics/]
+    N10([end])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> |maintains| N3
+    N3 --> |documents| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> |fuels| N7
+    N7 -.-> |responds| N8
+    N8 --> N9
+    N9 -.-> |guides| N10
+    N1 --> |repairs| N10
+    style N0 fill:#EFEBE9,stroke:#A1887F
+    style N1 fill:#FFF9C4,stroke:#FFEB3B
+    style N2 fill:#EFEBE9,stroke:#A1887F
+    style N3 fill:#EFEBE9,stroke:#A1887F
+    style N4 fill:#FFFDE7,stroke:#FBC02D
+    style N5 fill:#FFF9C4,stroke:#FFEB3B
+    style N6 fill:#FFFDE7,stroke:#FBC02D
+    style N7 fill:#EFEBE9,stroke:#A1887F
+    style N8 fill:#FFF9C4,stroke:#FFEB3B
+    style N9 fill:#FFFDE7,stroke:#FBC02D
+    style N10 fill:#FFFDE7,stroke:#FBC02D
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A1887F,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:#A1887F,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:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFEB3B,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_154.mmd b/test/mermaid/easy/mermaid_154.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..122e2223609eba7e2310d4af32e59a2db7886458
--- /dev/null
+++ b/test/mermaid/easy/mermaid_154.mmd
@@ -0,0 +1,42 @@
+graph BT
+    N0([Personalized Route Preferences])
+    N1[[Wearable Device Navigation]]
+    N2(Speed Calculation)
+    N3(Digital Compass Integration)
+    N4[/Turn_by_Turn Directions/]
+    N5{Pedestrian Navigation}
+    N6([Celestial Navigation])
+    N7(Offline Map Support)
+    N8[Traffic Information]
+    N9([end])
+    N0 --> |avoids| N1
+    N1 --> N2
+    N2 --> |communicates| N3
+    N3 --> |predicts| N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> |follows| N7
+    N7 -.-> |identifies| N8
+    N8 --> N9
+    N3 --> |maps| N9
+    style N0 fill:#E6EE9C,stroke:#CDDC39
+    style N1 fill:#FFFDE0,stroke:#FFF8A6
+    style N2 fill:#FCFCE7,stroke:#DCE775
+    style N3 fill:#E6EE9C,stroke:#CDDC39
+    style N4 fill:#FCFCE7,stroke:#DCE775
+    style N5 fill:#FFFDE0,stroke:#FFF8A6
+    style N6 fill:#FFFDE0,stroke:#FFF8A6
+    style N7 fill:#FCFCE7,stroke:#DCE775
+    style N8 fill:#E6EE9C,stroke:#CDDC39
+    style N9 fill:#E6EE9C,stroke:#CDDC39
+    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:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFF8A6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_154.txt b/test/mermaid/easy/mermaid_154.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8ddb28cd99284c0723a80be3cd543c5ac63bc184
--- /dev/null
+++ b/test/mermaid/easy/mermaid_154.txt
@@ -0,0 +1,10 @@
+<Celestial Navigation, follows, Offline Map Support>
+<Digital Compass Integration, maps, end>
+<Digital Compass Integration, predicts, Turn_by_Turn Directions>
+<Offline Map Support, identifies, Traffic Information>
+<Pedestrian Navigation, connectedTo, Celestial Navigation>
+<Personalized Route Preferences, avoids, Wearable Device Navigation>
+<Speed Calculation, communicates, Digital Compass Integration>
+<Traffic Information, connectedTo, end>
+<Turn_by_Turn Directions, connectedTo, Pedestrian Navigation>
+<Wearable Device Navigation, connectedTo, Speed Calculation>
diff --git a/test/mermaid/easy/mermaid_155.mmd b/test/mermaid/easy/mermaid_155.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e698d38b589d7bad02534e90f730a79fac8261b6
--- /dev/null
+++ b/test/mermaid/easy/mermaid_155.mmd
@@ -0,0 +1,42 @@
+graph BT
+    N0([Cycle Route Planning])
+    N1[[Personalized Route Preferences]]
+    N2[Lane Guidance]
+    N3{Navigation Data Update}
+    N4{Pedestrian Navigation}
+    N5(Inertial Navigation System)
+    N6[Augmented Reality Navigation]
+    N7[Reverse Geocoding]
+    N8[/Hazard Alerts/]
+    N9([end])
+    N0 -.-> |calibrates| N1
+    N1 --> |plots| N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> |corrects| N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> |visualizes| N8
+    N8 --> |transmits| N9
+    N3 --> N1
+    style N0 fill:#F2E6F5,stroke:#CB9BE1
+    style N1 fill:#D7CCC8,stroke:#795548
+    style N2 fill:#FFF0CC,stroke:#FFCC80
+    style N3 fill:#D7CCC8,stroke:#795548
+    style N4 fill:#FFF0CC,stroke:#FFCC80
+    style N5 fill:#F2E6F5,stroke:#CB9BE1
+    style N6 fill:#F2E6F5,stroke:#CB9BE1
+    style N7 fill:#F2E6F5,stroke:#CB9BE1
+    style N8 fill:#D7CCC8,stroke:#795548
+    style N9 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:#795548,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,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:#000000,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:#795548,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_155.txt b/test/mermaid/easy/mermaid_155.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f82f89964b88cd10f191fd0d0cdffdb976a55923
--- /dev/null
+++ b/test/mermaid/easy/mermaid_155.txt
@@ -0,0 +1,10 @@
+<Augmented Reality Navigation, connectedTo, Reverse Geocoding>
+<Cycle Route Planning, calibrates, Personalized Route Preferences>
+<Hazard Alerts, transmits, end>
+<Inertial Navigation System, connectedTo, Augmented Reality Navigation>
+<Lane Guidance, connectedTo, Navigation Data Update>
+<Navigation Data Update, connectedTo, Pedestrian Navigation>
+<Navigation Data Update, connectedTo, Personalized Route Preferences>
+<Pedestrian Navigation, corrects, Inertial Navigation System>
+<Personalized Route Preferences, plots, Lane Guidance>
+<Reverse Geocoding, visualizes, Hazard Alerts>
diff --git a/test/mermaid/easy/mermaid_156.mmd b/test/mermaid/easy/mermaid_156.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0de42c21bb1d090dbc4d510e802c7bd7c48d719a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_156.mmd
@@ -0,0 +1,36 @@
+graph LR
+    N0([start])
+    N1[[GPS Positioning]]
+    N2[/Offline Map Support/]
+    N3([Points of Interest Search])
+    N4(ETA Estimation)
+    N5[Real_Time Re_routing]
+    N6[(Altitude Tracking)]
+    N7([Traffic Information])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> |steers| N3
+    N3 --> |searches| N4
+    N4 --> N5
+    N5 -.-> |optimizes| N6
+    N6 --> |directs| N7
+    N1 -.-> |avoids| N3
+    N3 -.-> |measures| N0
+    style N0 fill:#EDE7F6,stroke:#7E57C2
+    style N1 fill:#F3E5F5,stroke:#AB47BC
+    style N2 fill:#F3E5F5,stroke:#AB47BC
+    style N3 fill:#FFF6D9,stroke:#FFCC7A
+    style N4 fill:#F3E5F5,stroke:#AB47BC
+    style N5 fill:#FFF6D9,stroke:#FFCC7A
+    style N6 fill:#EDE7F6,stroke:#7E57C2
+    style N7 fill:#F3E5F5,stroke:#AB47BC
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#AB47BC,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:#AB47BC,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:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#7E57C2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_159.mmd b/test/mermaid/easy/mermaid_159.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ad12e9b2c0c792b000fe903603984c0b6510a21b
--- /dev/null
+++ b/test/mermaid/easy/mermaid_159.mmd
@@ -0,0 +1,34 @@
+graph RL
+    N0([Print Farm Management])
+    N1[Custom Part Production]
+    N2(Fused Deposition Modeling)
+    N3(Maintenance and Repair of Printers)
+    N4([3D Model Design])
+    N5([4D Printing])
+    N6[Reverse Engineering with 3D Printing]
+    N7([Material Selection])
+    N0 -.-> |materials| N1
+    N1 --> N2
+    N2 --> |manufactures| N3
+    N3 --> |automates| N4
+    N4 -.-> N5
+    N5 -.-> |certifies| N6
+    N6 --> N7
+    N6 -.-> N3
+    style N0 fill:#ECEFF1,stroke:#90A4AE
+    style N1 fill:#E0E6E9,stroke:#AABEC6
+    style N2 fill:#ECEFF1,stroke:#90A4AE
+    style N3 fill:#ECEFF1,stroke:#90A4AE
+    style N4 fill:#E0E6E9,stroke:#AABEC6
+    style N5 fill:#ECEFF1,stroke:#90A4AE
+    style N6 fill:#ECEFF1,stroke:#90A4AE
+    style N7 fill:#E0F2F1,stroke:#26A69A
+    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:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#AABEC6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_160.txt b/test/mermaid/easy/mermaid_160.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9e62e6769d8b07d4731987b9db1bac13e1e76f46
--- /dev/null
+++ b/test/mermaid/easy/mermaid_160.txt
@@ -0,0 +1,10 @@
+<Biosensors, assembles, Energy Storage Applications>
+<Biosensors, monitors, Photovoltaics>
+<Computational Nanotechnology, connectedTo, Biosensors>
+<Energy Storage Applications, connectedTo, Spintronics>
+<Environmental Remediation with Nanomaterials, cleans, Solar Cell Efficiency Enhancement>
+<Nanotoxicology, connectedTo, Photovoltaics>
+<Photovoltaics, connectedTo, end>
+<Solar Cell Efficiency Enhancement, applies, Nanotoxicology>
+<Spintronics, connectedTo, Environmental Remediation with Nanomaterials>
+<end, delivers, Photovoltaics>
diff --git a/test/mermaid/easy/mermaid_161.mmd b/test/mermaid/easy/mermaid_161.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c4cde1bcd8abdc5bfe7de766ac3218f2c1853c1b
--- /dev/null
+++ b/test/mermaid/easy/mermaid_161.mmd
@@ -0,0 +1,46 @@
+graph TD
+    N0([Nanoelectronics])
+    N1([Public Perception of Nanotechnology])
+    N2[(Nanosensors)]
+    N3(Food Packaging Improvement)
+    N4[[Environmental Remediation with Nanomaterials]]
+    N5[Nanocomposites]
+    N6([Graphene Production])
+    N7[(Molecular Self_Assembly)]
+    N8[[Nanomaterial Synthesis]]
+    N9[/Energy Storage Applications/]
+    N10([Photovoltaics])
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> |converts| N3
+    N3 --> |purifies| N4
+    N4 -.-> N5
+    N5 --> |engineers| N6
+    N6 -.-> |visualizes| N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> |tests| N10
+    N8 --> N4
+    style N0 fill:#FAEBF3,stroke:#F7BEE0
+    style N1 fill:#F3E5F5,stroke:#BA68C8
+    style N2 fill:#FAEBF3,stroke:#F7BEE0
+    style N3 fill:#F3E5F5,stroke:#BA68C8
+    style N4 fill:#ECF0FD,stroke:#B8C0F5
+    style N5 fill:#FAEBF3,stroke:#F7BEE0
+    style N6 fill:#ECF0FD,stroke:#B8C0F5
+    style N7 fill:#F3E5F5,stroke:#BA68C8
+    style N8 fill:#F3E5F5,stroke:#BA68C8
+    style N9 fill:#FAEBF3,stroke:#F7BEE0
+    style N10 fill:#FAEBF3,stroke:#F7BEE0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#B8C0F5,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_162.mmd b/test/mermaid/easy/mermaid_162.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e6ce8389a90755cd78fb60cfc01bdac823ba604c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_162.mmd
@@ -0,0 +1,26 @@
+graph RL
+    N0([start])
+    N1[/Lab_on_a_Chip Devices/]
+    N2[Solar Cell Efficiency Enhancement]
+    N3[Nanoparticle Characterization]
+    N4[/Food Packaging Improvement/]
+    N5[(Quantum Computing Integration)]
+    N6(Risk Assessment of Nanomaterials)
+    N7([end])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> |no| N3
+    N3 --> |yes| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> |no| N7
+    N5 --> |no| N3
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#4285F4,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:#4285F4,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:#64B5F6,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_165.mmd b/test/mermaid/easy/mermaid_165.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..75c65ddff598a2e757f2bb39149c58eb31fcc043
--- /dev/null
+++ b/test/mermaid/easy/mermaid_165.mmd
@@ -0,0 +1,44 @@
+graph TD
+    N0([Quantum Supremacy Claims])
+    N1[Trapped Ion Qubits]
+    N2(Quantum Computing in Drug Discovery)
+    N3(Quantum Processor Fabrication)
+    N4[Vacuum Systems for Trapped Ions]
+    N5[[Material Science Simulations]]
+    N6(Quantum Communication Protocols)
+    N7[/Quantum Cloud Computing Services/]
+    N8(Quantum Advantage Demonstration)
+    N9([end])
+    N0 --> |measures| N1
+    N1 -.-> |debugs| N2
+    N2 --> |programs| N3
+    N3 --> N4
+    N4 --> |shares| N5
+    N5 --> N6
+    N6 --> |integrates| N7
+    N7 --> |develops| N8
+    N8 -.-> |visualizes| N9
+    N4 -.-> N1
+    N9 -.-> N3
+    style N0 fill:#E6EE9C,stroke:#CDDC39
+    style N1 fill:#F1F8E9,stroke:#81C784
+    style N2 fill:#F1F8E9,stroke:#81C784
+    style N3 fill:#F5F5F5,stroke:#BDBDBD
+    style N4 fill:#F5F5F5,stroke:#BDBDBD
+    style N5 fill:#E6EE9C,stroke:#CDDC39
+    style N6 fill:#E6EE9C,stroke:#CDDC39
+    style N7 fill:#F5F5F5,stroke:#BDBDBD
+    style N8 fill:#F1F8E9,stroke:#81C784
+    style N9 fill:#E6EE9C,stroke:#CDDC39
+    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:#81C784,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:#BDBDBD,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:#81C784,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#CDDC39,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_165.txt b/test/mermaid/easy/mermaid_165.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ff5f2bff9da62db7f156ed9d0390a987b0bb7483
--- /dev/null
+++ b/test/mermaid/easy/mermaid_165.txt
@@ -0,0 +1,11 @@
+<Material Science Simulations, connectedTo, Quantum Communication Protocols>
+<Quantum Advantage Demonstration, visualizes, end>
+<Quantum Cloud Computing Services, develops, Quantum Advantage Demonstration>
+<Quantum Communication Protocols, integrates, Quantum Cloud Computing Services>
+<Quantum Computing in Drug Discovery, programs, Quantum Processor Fabrication>
+<Quantum Processor Fabrication, connectedTo, Vacuum Systems for Trapped Ions>
+<Quantum Supremacy Claims, measures, Trapped Ion Qubits>
+<Trapped Ion Qubits, debugs, Quantum Computing in Drug Discovery>
+<Vacuum Systems for Trapped Ions, connectedTo, Trapped Ion Qubits>
+<Vacuum Systems for Trapped Ions, shares, Material Science Simulations>
+<end, connectedTo, Quantum Processor Fabrication>
diff --git a/test/mermaid/easy/mermaid_166.mmd b/test/mermaid/easy/mermaid_166.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f5c5ade7079d44672388e213f6c26767aa4f12ad
--- /dev/null
+++ b/test/mermaid/easy/mermaid_166.mmd
@@ -0,0 +1,28 @@
+graph LR
+    N0([start])
+    N1[Educational Content Development]
+    N2[(Ethical Considerations in AR or VR)]
+    N3[Data Visualization in AR or VR]
+    N4[Virtual Tourism Experiences]
+    N5(Augmented Reality App Development)
+    N6[Latency Reduction]
+    N7([end])
+    N0 -.-> N1
+    N1 --> |yes| N2
+    N2 -.-> |yes| N3
+    N3 -.-> |yes| N4
+    N4 -.-> |yes| N5
+    N5 --> N6
+    N6 --> N7
+    N3 --> N1
+    N2 -.-> |yes| N4
+    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:#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:#D3EB9F,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:#26A69A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_168.mmd b/test/mermaid/easy/mermaid_168.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c8a7a9bef57ce4f7d10a12d92957f6c81501dfde
--- /dev/null
+++ b/test/mermaid/easy/mermaid_168.mmd
@@ -0,0 +1,31 @@
+graph TD
+    N0([start])
+    N1[(Comfort and Ergonomics Design)]
+    N2[Hardware Prototyping]
+    N3[Educational Content Development]
+    N4{Software Development Kit Integration}
+    N5[[AR for Navigation]]
+    N6[/Environment Mapping/]
+    N7(Immersive Storytelling)
+    N8([end])
+    N0 -.-> N1
+    N1 --> |yes| N2
+    N2 -.-> N3
+    N3 -.-> |no| N4
+    N4 --> |yes| N5
+    N5 --> |yes| N6
+    N6 -.-> |yes| N7
+    N7 -.-> N8
+    N6 --> N4
+    N7 --> 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:#FFF8A6,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#AED581,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:#AED581,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#673AB7,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_168.txt b/test/mermaid/easy/mermaid_168.txt
new file mode 100644
index 0000000000000000000000000000000000000000..701cd998931f25af7ccd77b9084426cf11946562
--- /dev/null
+++ b/test/mermaid/easy/mermaid_168.txt
@@ -0,0 +1,10 @@
+<AR for Navigation, yes, Environment Mapping>
+<Comfort and Ergonomics Design, yes, Hardware Prototyping>
+<Educational Content Development, no, Software Development Kit Integration>
+<Environment Mapping, connectedTo, Software Development Kit Integration>
+<Environment Mapping, yes, Immersive Storytelling>
+<Hardware Prototyping, connectedTo, Educational Content Development>
+<Immersive Storytelling, connectedTo, Hardware Prototyping>
+<Immersive Storytelling, connectedTo, end>
+<Software Development Kit Integration, yes, AR for Navigation>
+<start, connectedTo, Comfort and Ergonomics Design>
diff --git a/test/mermaid/easy/mermaid_169.txt b/test/mermaid/easy/mermaid_169.txt
new file mode 100644
index 0000000000000000000000000000000000000000..454c18d2d747325bf195846e1334c115e9625e58
--- /dev/null
+++ b/test/mermaid/easy/mermaid_169.txt
@@ -0,0 +1,10 @@
+<Asset Creation, connectedTo, Mobile Game Development>
+<Game Design, no, Asset Creation>
+<Game Publishing, no, Game Design>
+<In_Game Economy Design, no, end>
+<Level Design, connectedTo, Game Publishing>
+<Mobile Game Development, connectedTo, Game Design>
+<Mobile Game Development, connectedTo, end>
+<Mobile Game Development, no, In_Game Economy Design>
+<Motion Capture, yes, Level Design>
+<start, yes, Motion Capture>
diff --git a/test/mermaid/easy/mermaid_17.txt b/test/mermaid/easy/mermaid_17.txt
new file mode 100644
index 0000000000000000000000000000000000000000..55c154231b70b4cbf144c4bf7bb6e4633110df15
--- /dev/null
+++ b/test/mermaid/easy/mermaid_17.txt
@@ -0,0 +1,13 @@
+<Bridge Inspection, reports, Ride_sharing Request>
+<Delay Alert, connectedTo, Fueling>
+<Delay Alert, connectedTo, Train Dispatch>
+<Fueling, communicates, Load Balancing>
+<Load Balancing, connectedTo, Parking Management>
+<Maintenance Check, connectedTo, Bridge Inspection>
+<Maintenance Check, regulates, Ride_sharing Request>
+<Parking Management, maintains, Maintenance Check>
+<Platform Assignment, repairs, Traffic Monitoring>
+<Ticket Purchase, connectedTo, Platform Assignment>
+<Traffic Monitoring, connectedTo, Delay Alert>
+<Train Dispatch, connectedTo, Ticket Purchase>
+<start, connectedTo, Train Dispatch>
diff --git a/test/mermaid/easy/mermaid_170.txt b/test/mermaid/easy/mermaid_170.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0d32df6eebe17222daa7e69c22b1440a0d13cab5
--- /dev/null
+++ b/test/mermaid/easy/mermaid_170.txt
@@ -0,0 +1,11 @@
+<Asset Creation, connectedTo, Physics Simulation>
+<Augmented Reality Gaming, connectedTo, Console Game Development>
+<Community Management, broadcasts, Network Code Optimization>
+<Community Management, updates, Console Game Development>
+<Engine Development, connectedTo, Augmented Reality Gaming>
+<Engine Development, plays, Community Management>
+<Narrative Design, connectedTo, Virtual Reality Gaming>
+<Network Code Optimization, analyzes, Engine Development>
+<PC Game Development, balances, Community Management>
+<Physics Simulation, connectedTo, PC Game Development>
+<Virtual Reality Gaming, sponsors, Asset Creation>
diff --git a/test/mermaid/easy/mermaid_171.mmd b/test/mermaid/easy/mermaid_171.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..cd4d88cf4ca215a6d8aaed1794d300266e306730
--- /dev/null
+++ b/test/mermaid/easy/mermaid_171.mmd
@@ -0,0 +1,40 @@
+graph LR
+    N0([start])
+    N1[Multiplayer Game Development]
+    N2([Game Analytics])
+    N3{Localization}
+    N4(Anti_Cheat Development)
+    N5[/Sound Design/]
+    N6[Level Design]
+    N7([Game Publishing])
+    N8[[Storytelling]]
+    N9(Engine Development)
+    N10{AI Behavior Programming}
+    N11([end])
+    N0 --> N1
+    N1 -.-> |no| N2
+    N2 -.-> |yes| N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> |yes| N6
+    N6 -.-> |yes| N7
+    N7 --> N8
+    N8 -.-> |no| N9
+    N9 --> N10
+    N10 -.-> N11
+    N3 -.-> N11
+    N1 -.-> |yes| N8
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFB2A5,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:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFB2A5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_171.txt b/test/mermaid/easy/mermaid_171.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3d38bc7d65bdf3c3d95038c1a85164f332e68dfd
--- /dev/null
+++ b/test/mermaid/easy/mermaid_171.txt
@@ -0,0 +1,13 @@
+<AI Behavior Programming, connectedTo, end>
+<Anti_Cheat Development, connectedTo, Sound Design>
+<Engine Development, connectedTo, AI Behavior Programming>
+<Game Analytics, yes, Localization>
+<Game Publishing, connectedTo, Storytelling>
+<Level Design, yes, Game Publishing>
+<Localization, connectedTo, Anti_Cheat Development>
+<Localization, connectedTo, end>
+<Multiplayer Game Development, no, Game Analytics>
+<Multiplayer Game Development, yes, Storytelling>
+<Sound Design, yes, Level Design>
+<Storytelling, no, Engine Development>
+<start, connectedTo, Multiplayer Game Development>
diff --git a/test/mermaid/easy/mermaid_172.txt b/test/mermaid/easy/mermaid_172.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3f8e418d1929a2fbaa358ed624ad05163577c4c2
--- /dev/null
+++ b/test/mermaid/easy/mermaid_172.txt
@@ -0,0 +1,9 @@
+<A&R, connectedTo, Composition>
+<A&R, invests, Performance>
+<Composition, promotes, Live Sound Engineering>
+<Live Sound Engineering, protects, Streaming Platform Management>
+<Mastering, connectedTo, A&R>
+<Music Publishing, connectedTo, Sound Design for Media>
+<Sound Design for Media, therapies, Composition>
+<Streaming Platform Management, synthesizes, Mastering>
+<start, scores, Music Publishing>
diff --git a/test/mermaid/easy/mermaid_173.mmd b/test/mermaid/easy/mermaid_173.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..65d6d30d56baae2d94cd63634fd41949ab9a10cf
--- /dev/null
+++ b/test/mermaid/easy/mermaid_173.mmd
@@ -0,0 +1,38 @@
+graph TD
+    N0([start])
+    N1{Music Theory Analysis}
+    N2(Music Video Production)
+    N3[Sound Design for Media]
+    N4(Mastering)
+    N5(Audio Engineering)
+    N6[Royalty Collection]
+    N7(Live Sound Engineering)
+    N8([Sound System Design])
+    N0 --> N1
+    N1 -.-> |performs| N2
+    N2 --> |engineers| N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> |produces| N7
+    N7 -.-> |funds| N8
+    N1 -.-> |manages| N7
+    style N0 fill:#F3E5F5,stroke:#AB47BC
+    style N1 fill:#F3E5F5,stroke:#AB47BC
+    style N2 fill:#F3E5F5,stroke:#AB47BC
+    style N3 fill:#F3E5F5,stroke:#AB47BC
+    style N4 fill:#E0F2F1,stroke:#26A69A
+    style N5 fill:#FFDCD6,stroke:#FFB2A5
+    style N6 fill:#FFDCD6,stroke:#FFB2A5
+    style N7 fill:#F3E5F5,stroke:#AB47BC
+    style N8 fill:#E0F2F1,stroke:#26A69A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#AB47BC,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:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#26A69A,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:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_174.txt b/test/mermaid/easy/mermaid_174.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6653c208efe3d745e47ceacabd0b7ec601452ba8
--- /dev/null
+++ b/test/mermaid/easy/mermaid_174.txt
@@ -0,0 +1,9 @@
+<A&R, no, Music Video Production>
+<Composition, connectedTo, Vocal Performance>
+<Music Production, connectedTo, end>
+<Music Video Production, connectedTo, Composition>
+<Music Video Production, yes, Sampling>
+<Sampling, connectedTo, Composition>
+<Sampling, no, Music Production>
+<Vocal Performance, no, Music Production>
+<start, yes, A&R>
diff --git a/test/mermaid/easy/mermaid_175.mmd b/test/mermaid/easy/mermaid_175.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b0b6375ceddd6ce1af3328abbb6300e66f671fdf
--- /dev/null
+++ b/test/mermaid/easy/mermaid_175.mmd
@@ -0,0 +1,34 @@
+graph RL
+    N0([Production Scheduling])
+    N1(Directing)
+    N2[Remote Collaboration Tools]
+    N3[/Film Scoring/]
+    N4[/Storyboarding/]
+    N5([Production Accounting])
+    N6[[Insurance Management]]
+    N7([Cinematography])
+    N0 --> N1
+    N1 -.-> |animates| N2
+    N2 --> |casts| N3
+    N3 -.-> |records| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N0 --> |schedules| N2
+    style N0 fill:#F2E6F5,stroke:#CB9BE1
+    style N1 fill:#F2E6F5,stroke:#CB9BE1
+    style N2 fill:#F2E6F5,stroke:#CB9BE1
+    style N3 fill:#FFF0CC,stroke:#FFCC80
+    style N4 fill:#FFF0CC,stroke:#FFCC80
+    style N5 fill:#FFE0B2,stroke:#FF9800
+    style N6 fill:#F2E6F5,stroke:#CB9BE1
+    style N7 fill:#FFE0B2,stroke:#FF9800
+    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:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#CB9BE1,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_175.txt b/test/mermaid/easy/mermaid_175.txt
new file mode 100644
index 0000000000000000000000000000000000000000..28aab907923821aa00088d46b6c73dea3246e283
--- /dev/null
+++ b/test/mermaid/easy/mermaid_175.txt
@@ -0,0 +1,8 @@
+<Directing, animates, Remote Collaboration Tools>
+<Film Scoring, records, Storyboarding>
+<Insurance Management, connectedTo, Cinematography>
+<Production Accounting, connectedTo, Insurance Management>
+<Production Scheduling, connectedTo, Directing>
+<Production Scheduling, schedules, Remote Collaboration Tools>
+<Remote Collaboration Tools, casts, Film Scoring>
+<Storyboarding, connectedTo, Production Accounting>
diff --git a/test/mermaid/easy/mermaid_176.txt b/test/mermaid/easy/mermaid_176.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d321634a7aeb99c27057c017663bcf90b1753fe3
--- /dev/null
+++ b/test/mermaid/easy/mermaid_176.txt
@@ -0,0 +1,11 @@
+<Cinematography, connectedTo, Digital Asset Management>
+<Digital Asset Management, connectedTo, Location Scouting>
+<Distribution Strategy, yes, Makeup and Hair Design>
+<Editing, connectedTo, Tax Incentive Management>
+<Editing, yes, Cinematography>
+<Editing, yes, Distribution Strategy>
+<Location Scouting, connectedTo, Production Scheduling>
+<Makeup and Hair Design, connectedTo, Tax Incentive Management>
+<Production Scheduling, yes, Distribution Strategy>
+<Tax Incentive Management, no, end>
+<start, connectedTo, Editing>
diff --git a/test/mermaid/easy/mermaid_177.mmd b/test/mermaid/easy/mermaid_177.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..afdee5e52960aa851a92b60b5e454a04a60fcf7f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_177.mmd
@@ -0,0 +1,44 @@
+graph TD
+    N0([Directing])
+    N1[Sound Recording]
+    N2[[Location Scouting]]
+    N3{Costume Design}
+    N4[[Cinematography]]
+    N5[[Prop Management]]
+    N6[(Crew Management)]
+    N7[Virtual Production Techniques]
+    N8(Art Direction)
+    N9([end])
+    N0 -.-> |dresses| N1
+    N1 -.-> |screens| N2
+    N2 --> N3
+    N3 --> |builds| N4
+    N4 -.-> |manages| N5
+    N5 --> N6
+    N6 --> |coordinates| N7
+    N7 --> N8
+    N8 -.-> |composes| N9
+    N7 --> N0
+    N2 --> N1
+    style N0 fill:#E0F7FA,stroke:#00BCD4
+    style N1 fill:#FDFCEB,stroke:#EAEFA5
+    style N2 fill:#FDFCEB,stroke:#EAEFA5
+    style N3 fill:#C9EFEC,stroke:#6FE1D5
+    style N4 fill:#FDFCEB,stroke:#EAEFA5
+    style N5 fill:#E0F7FA,stroke:#00BCD4
+    style N6 fill:#FDFCEB,stroke:#EAEFA5
+    style N7 fill:#C9EFEC,stroke:#6FE1D5
+    style N8 fill:#FDFCEB,stroke:#EAEFA5
+    style N9 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:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#EAEFA5,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:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#EAEFA5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_177.txt b/test/mermaid/easy/mermaid_177.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f34859fe66ebee767c37075f9cf382a5aa110c54
--- /dev/null
+++ b/test/mermaid/easy/mermaid_177.txt
@@ -0,0 +1,11 @@
+<Art Direction, composes, end>
+<Cinematography, manages, Prop Management>
+<Costume Design, builds, Cinematography>
+<Crew Management, coordinates, Virtual Production Techniques>
+<Directing, dresses, Sound Recording>
+<Location Scouting, connectedTo, Costume Design>
+<Location Scouting, connectedTo, Sound Recording>
+<Prop Management, connectedTo, Crew Management>
+<Sound Recording, screens, Location Scouting>
+<Virtual Production Techniques, connectedTo, Art Direction>
+<Virtual Production Techniques, connectedTo, Directing>
diff --git a/test/mermaid/easy/mermaid_178.txt b/test/mermaid/easy/mermaid_178.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5415c4d8ae527853f88e52e0e2a66f06d88254d5
--- /dev/null
+++ b/test/mermaid/easy/mermaid_178.txt
@@ -0,0 +1,10 @@
+<Content Management System Operation, connectedTo, Research and Outline>
+<Ideation and Brainstorming, connectedTo, Live Streaming Content>
+<Ideation and Brainstorming, connectedTo, User_Generated Content Curation>
+<Interview Conduct, connectedTo, Newsletter Creation>
+<Keyword Research, records, Plagiarism Checking>
+<Live Streaming Content, connectedTo, User_Generated Content Curation>
+<Newsletter Creation, interviews, Content Management System Operation>
+<Plagiarism Checking, creates, Ideation and Brainstorming>
+<User_Generated Content Curation, distributes, Content Management System Operation>
+<User_Generated Content Curation, writes, Interview Conduct>
diff --git a/test/mermaid/easy/mermaid_179.mmd b/test/mermaid/easy/mermaid_179.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f795bc106726679741b0f8a5bb065a486fd685ba
--- /dev/null
+++ b/test/mermaid/easy/mermaid_179.mmd
@@ -0,0 +1,28 @@
+graph LR
+    N0([start])
+    N1(Drafting Content)
+    N2(Publishing)
+    N3[Blog Post Writing]
+    N4(Photography)
+    N5[Search Engine Optimization]
+    N6[[Content Localization]]
+    N7([end])
+    N0 --> |no| N1
+    N1 --> |yes| N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> |no| N6
+    N6 --> N7
+    N1 -.-> |yes| N0
+    N2 -.-> N5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#D2D2D2,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#8C9EFF,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:#CFCFCF,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_180.txt b/test/mermaid/easy/mermaid_180.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f763739f538d234f670524b7cde5f3a8d369ed8e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_180.txt
@@ -0,0 +1,10 @@
+<Blog Post Writing, films, Content Management System Operation>
+<Branding, streams, Podcast Production>
+<Branding, videos, Plagiarism Checking>
+<Content Management System Operation, connectedTo, Plagiarism Checking>
+<Content Management System Operation, connectedTo, start>
+<Interview Conduct, connectedTo, Webinar Hosting>
+<Plagiarism Checking, moderates, end>
+<Podcast Production, connectedTo, Interview Conduct>
+<Webinar Hosting, edits, Blog Post Writing>
+<start, connectedTo, Branding>
diff --git a/test/mermaid/easy/mermaid_181.mmd b/test/mermaid/easy/mermaid_181.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..da939d6b22b9552e20c97105cee075babf4e593a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_181.mmd
@@ -0,0 +1,42 @@
+graph LR
+    N0([Data Transformation])
+    N1[[HR Data Analytics]]
+    N2[Geospatial Analysis]
+    N3[Operational Efficiency Metrics]
+    N4[Data Storytelling]
+    N5[[Financial Data Analysis]]
+    N6[Data Security Best Practices]
+    N7[[Time Series Forecasting]]
+    N8(Prescriptive Analytics)
+    N9([Sentiment Analysis])
+    N0 --> N1
+    N1 --> |pipelines| N2
+    N2 --> |analyzes| N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> |processes| N6
+    N6 --> |cleans| N7
+    N7 --> |validates| N8
+    N8 -.-> N9
+    N7 -.-> |collects| N1
+    style N0 fill:#FFEBEE,stroke:#E57373
+    style N1 fill:#E8F0EA,stroke:#92C79A
+    style N2 fill:#FFE88D,stroke:#FFDA4E
+    style N3 fill:#FFEBEE,stroke:#E57373
+    style N4 fill:#E8F0EA,stroke:#92C79A
+    style N5 fill:#FFEBEE,stroke:#E57373
+    style N6 fill:#FFE88D,stroke:#FFDA4E
+    style N7 fill:#E8F0EA,stroke:#92C79A
+    style N8 fill:#FFE88D,stroke:#FFDA4E
+    style N9 fill:#FFEBEE,stroke:#E57373
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#92C79A,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:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#92C79A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_182.txt b/test/mermaid/easy/mermaid_182.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b03577e8dd05c66067ededb18e0b49985ad7f4d2
--- /dev/null
+++ b/test/mermaid/easy/mermaid_182.txt
@@ -0,0 +1,9 @@
+<Data Governance, connectedTo, Statistical Modeling>
+<Data Mining, connectedTo, Data Governance>
+<Marketing Campaign Analysis, connectedTo, end>
+<Risk Analytics, connectedTo, Marketing Campaign Analysis>
+<Statistical Modeling, connectedTo, Risk Analytics>
+<Time Series Forecasting, accesses, Statistical Modeling>
+<Time Series Forecasting, prepares, Data Mining>
+<end, mines, start>
+<start, educates, Time Series Forecasting>
diff --git a/test/mermaid/easy/mermaid_184.mmd b/test/mermaid/easy/mermaid_184.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..10346a0645ef4bfd7da5d27fac7c912d9920cd60
--- /dev/null
+++ b/test/mermaid/easy/mermaid_184.mmd
@@ -0,0 +1,40 @@
+graph LR
+    N0([Data Mart Design])
+    N1[/Data Warehousing/]
+    N2[/Mobile BI Development/]
+    N3(ETL Development)
+    N4[KPI Definition]
+    N5(Master Data Management)
+    N6[/Financial Performance Reporting/]
+    N7[(Strategic Planning Support)]
+    N8([end])
+    N0 -.-> |secures| N1
+    N1 --> |manages| N2
+    N2 --> |reports| N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> |compares| N6
+    N6 --> |recommends| N7
+    N7 -.-> |integrates| N8
+    N6 --> N5
+    N1 -.-> |optimizes| N7
+    style N0 fill:#FCE4EC,stroke:#F06292
+    style N1 fill:#DACBE3,stroke:#A188D0
+    style N2 fill:#EDE7F6,stroke:#9575CD
+    style N3 fill:#FCE4EC,stroke:#F06292
+    style N4 fill:#DACBE3,stroke:#A188D0
+    style N5 fill:#FCE4EC,stroke:#F06292
+    style N6 fill:#EDE7F6,stroke:#9575CD
+    style N7 fill:#FCE4EC,stroke:#F06292
+    style N8 fill:#EDE7F6,stroke:#9575CD
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#F06292,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:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,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:#A188D0,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_185.mmd b/test/mermaid/easy/mermaid_185.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..47d8238112a509ebab4f65801269b825d2605b74
--- /dev/null
+++ b/test/mermaid/easy/mermaid_185.mmd
@@ -0,0 +1,44 @@
+graph LR
+    N0([start])
+    N1[/Data Warehousing/]
+    N2[Risk Assessment Reporting]
+    N3(HR Analytics Dashboards)
+    N4(Business Process Improvement)
+    N5{Regulatory Compliance Reporting}
+    N6[[Embedded Analytics]]
+    N7[(Data Security in BI)]
+    N8(ETL Development)
+    N9([end])
+    N0 --> |manages| N1
+    N1 --> N2
+    N2 -.-> |integrates| N3
+    N3 -.-> N4
+    N4 --> |visualizes| N5
+    N5 --> |supports| N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> |deploys| N9
+    N5 -.-> |automates| N0
+    N1 -.-> |reports| N7
+    style N0 fill:#F0F0F0,stroke:#D2D2D2
+    style N1 fill:#F0F0F0,stroke:#D2D2D2
+    style N2 fill:#F0F0F0,stroke:#D2D2D2
+    style N3 fill:#C8E6C9,stroke:#4CAF50
+    style N4 fill:#F0F0F0,stroke:#D2D2D2
+    style N5 fill:#C8E6C9,stroke:#4CAF50
+    style N6 fill:#EDE7F6,stroke:#7E57C2
+    style N7 fill:#F0F0F0,stroke:#D2D2D2
+    style N8 fill:#EDE7F6,stroke:#7E57C2
+    style N9 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:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#7E57C2,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:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#7E57C2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_185.txt b/test/mermaid/easy/mermaid_185.txt
new file mode 100644
index 0000000000000000000000000000000000000000..058f41cc2bf41aa5877caebb6a4ba4b2f0b009a8
--- /dev/null
+++ b/test/mermaid/easy/mermaid_185.txt
@@ -0,0 +1,11 @@
+<Business Process Improvement, visualizes, Regulatory Compliance Reporting>
+<Data Security in BI, connectedTo, ETL Development>
+<Data Warehousing, connectedTo, Risk Assessment Reporting>
+<Data Warehousing, reports, Data Security in BI>
+<ETL Development, deploys, end>
+<Embedded Analytics, connectedTo, Data Security in BI>
+<HR Analytics Dashboards, connectedTo, Business Process Improvement>
+<Regulatory Compliance Reporting, automates, start>
+<Regulatory Compliance Reporting, supports, Embedded Analytics>
+<Risk Assessment Reporting, integrates, HR Analytics Dashboards>
+<start, manages, Data Warehousing>
diff --git a/test/mermaid/easy/mermaid_186.mmd b/test/mermaid/easy/mermaid_186.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..3dbf9f7260abe7dc6ec7d7d827ae2acdc2661ca1
--- /dev/null
+++ b/test/mermaid/easy/mermaid_186.mmd
@@ -0,0 +1,42 @@
+graph RL
+    N0([Dashboard Design])
+    N1([Embedded Analytics])
+    N2(Data Mart Design)
+    N3[[Data Warehousing]]
+    N4([Data Storytelling for Business])
+    N5[Actionable Insights Generation]
+    N6[Data Modeling]
+    N7(Self_Service BI Tools)
+    N8(Mobile BI Development)
+    N9([end])
+    N0 --> |optimizes| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> |defines| N8
+    N8 --> |visualizes| N9
+    N3 --> |models| N9
+    style N0 fill:#FFCCBC,stroke:#FF5722
+    style N1 fill:#FFCCBC,stroke:#FF5722
+    style N2 fill:#F1F8E9,stroke:#388E3C
+    style N3 fill:#FFFDE7,stroke:#FFF176
+    style N4 fill:#FFFDE7,stroke:#FFF176
+    style N5 fill:#FFFDE7,stroke:#FFF176
+    style N6 fill:#FFCCBC,stroke:#FF5722
+    style N7 fill:#F1F8E9,stroke:#388E3C
+    style N8 fill:#FFCCBC,stroke:#FF5722
+    style N9 fill:#FFCCBC,stroke:#FF5722
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFF176,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#388E3C,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_187.txt b/test/mermaid/easy/mermaid_187.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5b05f258f1cb30d20a0be40c0ab54e21db406f02
--- /dev/null
+++ b/test/mermaid/easy/mermaid_187.txt
@@ -0,0 +1,10 @@
+<Brand Reputation Management, manages budgets, Influencer Marketing>
+<Conversion Rate Optimization, mobile marketing, Guerilla Marketing>
+<Customer Segmentation, forms partnerships, Remarketing Campaigns>
+<Guerilla Marketing, brands, Search Engine Optimization>
+<Influencer Marketing, distributes products, Personalization Strategies>
+<Personalization Strategies, connectedTo, Conversion Rate Optimization>
+<Remarketing Campaigns, connectedTo, Brand Reputation Management>
+<Search Engine Optimization, connectedTo, end>
+<start, connectedTo, Customer Segmentation>
+<start, sets prices, end>
diff --git a/test/mermaid/easy/mermaid_190.txt b/test/mermaid/easy/mermaid_190.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5258afe2b815a44f7e0cb726235329d875198cdb
--- /dev/null
+++ b/test/mermaid/easy/mermaid_190.txt
@@ -0,0 +1,11 @@
+<Ad Analytics Reporting, connectedTo, Ad Placement Optimization>
+<Ad Placement Optimization, connectedTo, Competitor Ad Analysis>
+<Ad Platform Management, no, Budget Management>
+<Audience Segmentation for Ads, yes, Outdoor Advertising>
+<Budget Management, yes, Geo_Targeting>
+<Competitor Ad Analysis, connectedTo, Social Media Ads>
+<Geo_Targeting, yes, Ad Analytics Reporting>
+<Outdoor Advertising, yes, Ad Platform Management>
+<Social Media Ads, no, end>
+<start, connectedTo, Ad Placement Optimization>
+<start, yes, Audience Segmentation for Ads>
diff --git a/test/mermaid/easy/mermaid_191.mmd b/test/mermaid/easy/mermaid_191.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..9a55df91265deb43d5bdb48d69fd91ffd7d1fef9
--- /dev/null
+++ b/test/mermaid/easy/mermaid_191.mmd
@@ -0,0 +1,48 @@
+graph RL
+    N0([start])
+    N1[(Psychographic Targeting)]
+    N2[Social Media Ads]
+    N3(Programmatic Advertising)
+    N4[/Digital Advertising/]
+    N5[(Media Buying)]
+    N6([Ad Creative Development])
+    N7(Visual Design for Ads)
+    N8[Ad Copywriting]
+    N9[/Ad Platform Management/]
+    N10([Competitor Ad Analysis])
+    N0 --> N1
+    N1 -.-> |implements retargeting| N2
+    N2 --> |digital advertising| N3
+    N3 --> N4
+    N4 --> |designs interactive ads| N5
+    N5 --> |selects platforms| N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> |drives conversions| N9
+    N9 -.-> N10
+    N6 --> N8
+    N4 --> N2
+    style N0 fill:#FFEBEE,stroke:#E57373
+    style N1 fill:#FFF6D9,stroke:#FFCC7A
+    style N2 fill:#FFEBEE,stroke:#E57373
+    style N3 fill:#F0F0F0,stroke:#D2D2D2
+    style N4 fill:#FFEBEE,stroke:#E57373
+    style N5 fill:#FFEBEE,stroke:#E57373
+    style N6 fill:#FFEBEE,stroke:#E57373
+    style N7 fill:#FFEBEE,stroke:#E57373
+    style N8 fill:#FFF6D9,stroke:#FFCC7A
+    style N9 fill:#FFEBEE,stroke:#E57373
+    style N10 fill:#F0F0F0,stroke:#D2D2D2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#D2D2D2,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:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#D2D2D2,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_192.txt b/test/mermaid/easy/mermaid_192.txt
new file mode 100644
index 0000000000000000000000000000000000000000..62e6ab3e656ab971df8bc7a1066386bd464aee3f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_192.txt
@@ -0,0 +1,13 @@
+<Ad Analytics Reporting, no, Audience Segmentation for Ads>
+<Ad Placement Optimization, connectedTo, end>
+<Audience Segmentation for Ads, connectedTo, Competitor Ad Analysis>
+<Audience Targeting, yes, Ad Placement Optimization>
+<Audience Targeting, yes, end>
+<Brand Awareness Campaigns, no, Campaign Planning>
+<Campaign Planning, no, Interactive Ad Formats>
+<Competitor Ad Analysis, yes, Native Advertising>
+<Interactive Ad Formats, connectedTo, Ad Analytics Reporting>
+<Native Advertising, yes, Television Advertising>
+<Television Advertising, yes, Audience Targeting>
+<start, connectedTo, Brand Awareness Campaigns>
+<start, no, Native Advertising>
diff --git a/test/mermaid/easy/mermaid_194.txt b/test/mermaid/easy/mermaid_194.txt
new file mode 100644
index 0000000000000000000000000000000000000000..42482ca9c75ebff80a7f20b77cbd3a90a110d034
--- /dev/null
+++ b/test/mermaid/easy/mermaid_194.txt
@@ -0,0 +1,10 @@
+<Energy Trading on Blockchain, connectedTo, Gaming on Blockchain>
+<Gaming on Blockchain, connectedTo, Public Blockchain Deployment>
+<Initial Coin Offerings, integrates systems, Sidechains and Layer 2 Solutions>
+<Mining Operations, creates bridges, Voting Systems on Blockchain>
+<Public Blockchain Deployment, verifies transactions, Financial Asset Tokenization>
+<Sidechains and Layer 2 Solutions, enables voting, Mining Operations>
+<Supply Chain Traceability, connectedTo, Tokenomics Design>
+<Supply Chain Traceability, educates users, Energy Trading on Blockchain>
+<Tokenomics Design, connectedTo, Supply Chain Traceability>
+<Voting Systems on Blockchain, connectedTo, Tokenomics Design>
diff --git a/test/mermaid/easy/mermaid_196.mmd b/test/mermaid/easy/mermaid_196.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..fe102acb14100cb79b5b3362f3e41c26330da96d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_196.mmd
@@ -0,0 +1,36 @@
+graph LR
+    N0([start])
+    N1{Key Management}
+    N2(Interoperability Solutions)
+    N3[Cryptocurrency Education]
+    N4([Staking])
+    N5([Web3 Integration])
+    N6[Lending and Borrowing Protocols]
+    N7([end])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> |designs tokens| N3
+    N3 --> N4
+    N4 -.-> |designs tokenomics| N5
+    N5 --> |analyzes markets| N6
+    N6 --> N7
+    N4 --> N2
+    N1 -.-> |performs KYCs| N5
+    style N0 fill:#F8FDD3,stroke:#D3EB9F
+    style N1 fill:#C2E8E6,stroke:#61CAC3
+    style N2 fill:#C2E8E6,stroke:#61CAC3
+    style N3 fill:#F8FDD3,stroke:#D3EB9F
+    style N4 fill:#F8FDD3,stroke:#D3EB9F
+    style N5 fill:#F8FDD3,stroke:#D3EB9F
+    style N6 fill:#C2E8E6,stroke:#61CAC3
+    style N7 fill:#F8FDD3,stroke:#D3EB9F
+    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:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#61CAC3,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:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,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_196.txt b/test/mermaid/easy/mermaid_196.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c78b48144f6503bde498ef1658ecf9f69b500411
--- /dev/null
+++ b/test/mermaid/easy/mermaid_196.txt
@@ -0,0 +1,9 @@
+<Cryptocurrency Education, connectedTo, Staking>
+<Interoperability Solutions, designs tokens, Cryptocurrency Education>
+<Key Management, connectedTo, Interoperability Solutions>
+<Key Management, performs KYCs, Web3 Integration>
+<Lending and Borrowing Protocols, connectedTo, end>
+<Staking, connectedTo, Interoperability Solutions>
+<Staking, designs tokenomics, Web3 Integration>
+<Web3 Integration, analyzes markets, Lending and Borrowing Protocols>
+<start, connectedTo, Key Management>
diff --git a/test/mermaid/easy/mermaid_198.mmd b/test/mermaid/easy/mermaid_198.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..39db5107d22b04a11a0204d37a9d2229a1e5283c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_198.mmd
@@ -0,0 +1,34 @@
+graph TD
+    N0([start])
+    N1(Cross_chain Swaps)
+    N2{Fraud Prevention}
+    N3[Security Audits]
+    N4([Key Management])
+    N5(Stablecoin Design)
+    N6(Blockchain Integration)
+    N7([end])
+    N0 --> N1
+    N1 --> |enables swaps| N2
+    N2 --> |designs tokenomics| N3
+    N3 --> |processes transactions| N4
+    N4 --> N5
+    N5 -.-> |creates coins| N6
+    N6 --> N7
+    N4 -.-> |custodies assets| N1
+    style N0 fill:#EFE6FF,stroke:#C2B2F0
+    style N1 fill:#EFE6FF,stroke:#C2B2F0
+    style N2 fill:#E8F0FF,stroke:#A2D0FF
+    style N3 fill:#EFE6FF,stroke:#C2B2F0
+    style N4 fill:#E8F0FF,stroke:#A2D0FF
+    style N5 fill:#EFE6FF,stroke:#C2B2F0
+    style N6 fill:#E8F0FF,stroke:#A2D0FF
+    style N7 fill:#EFE6FF,stroke:#C2B2F0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#A2D0FF,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:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A2D0FF,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_20.mmd b/test/mermaid/easy/mermaid_20.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..23c171b4bc26723dc1fba2de0de0fd367e93b74d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_20.mmd
@@ -0,0 +1,42 @@
+graph RL
+    N0([start])
+    N1[Power Backup]
+    N2([Load Shedding])
+    N3[[Fuel Delivery]]
+    N4[Battery Monitoring]
+    N5(Cybersecurity for Grid)
+    N6[(Grid Balancing)]
+    N7[Usage Billing]
+    N8[/Power Purchase/]
+    N9([Power Plant])
+    N0 -.-> |balances| N1
+    N1 -.-> |plans| N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> |innovates| N5
+    N5 --> |repairs| N6
+    N6 --> N7
+    N7 -.-> |connects| N8
+    N8 --> |detects| N9
+    N4 --> N1
+    style N0 fill:#F1F8E9,stroke:#81C784
+    style N1 fill:#F0F4C3,stroke:#AED581
+    style N2 fill:#F0F4C3,stroke:#AED581
+    style N3 fill:#F1F8E9,stroke:#81C784
+    style N4 fill:#C9F0F0,stroke:#4DD0E1
+    style N5 fill:#F0F4C3,stroke:#AED581
+    style N6 fill:#F0F4C3,stroke:#AED581
+    style N7 fill:#F0F4C3,stroke:#AED581
+    style N8 fill:#C9F0F0,stroke:#4DD0E1
+    style N9 fill:#F0F4C3,stroke:#AED581
+    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:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#AED581,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:#AED581,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4DD0E1,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_20.txt b/test/mermaid/easy/mermaid_20.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f1df57d047030f70a2284c73de113e0d2e939938
--- /dev/null
+++ b/test/mermaid/easy/mermaid_20.txt
@@ -0,0 +1,10 @@
+<Battery Monitoring, connectedTo, Power Backup>
+<Battery Monitoring, innovates, Cybersecurity for Grid>
+<Cybersecurity for Grid, repairs, Grid Balancing>
+<Fuel Delivery, connectedTo, Battery Monitoring>
+<Grid Balancing, connectedTo, Usage Billing>
+<Load Shedding, connectedTo, Fuel Delivery>
+<Power Backup, plans, Load Shedding>
+<Power Purchase, detects, Power Plant>
+<Usage Billing, connects, Power Purchase>
+<start, balances, Power Backup>
diff --git a/test/mermaid/easy/mermaid_200.txt b/test/mermaid/easy/mermaid_200.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9a56302caa4c4304b44c50fb8791a32393dfa296
--- /dev/null
+++ b/test/mermaid/easy/mermaid_200.txt
@@ -0,0 +1,9 @@
+<Customer Support for Backers, connectedTo, Debt Crowdfunding>
+<Customer Support for Backers, connectedTo, Escrow Management>
+<Debt Crowdfunding, builds communities, Legal Compliance>
+<Debt Crowdfunding, connectedTo, Real Estate Crowdfunding>
+<Escrow Management, connectedTo, Customer Support for Backers>
+<Goal Setting, analyzes data, Legal Compliance>
+<Legal Compliance, manages shareholders, Escrow Management>
+<Real Estate Crowdfunding, plans promotions, end>
+<Reward Tier Design, connectedTo, Goal Setting>
diff --git a/test/mermaid/easy/mermaid_202.mmd b/test/mermaid/easy/mermaid_202.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..cbf398d87d0dde4e1012d67f3337387b0eb8afe3
--- /dev/null
+++ b/test/mermaid/easy/mermaid_202.mmd
@@ -0,0 +1,52 @@
+graph TD
+    N0([User Interface for IoT Apps])
+    N1[/Compliance with IoT Regulations/]
+    N2[/Connectivity Management/]
+    N3[Security Implementation]
+    N4[(Gateway Development)]
+    N5[[Environmental Monitoring]]
+    N6([Network Protocol Selection])
+    N7[Smart City Sensors]
+    N8[Wearable Technology]
+    N9[/Data Collection/]
+    N10[Industrial IoT]
+    N11([end])
+    N0 -.-> |builds smart cities| N1
+    N1 --> N2
+    N2 -.-> |controls devices| N3
+    N3 --> |complies with regulations| N4
+    N4 --> |secures devices| N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 -.-> |deploys gateways| N10
+    N10 -.-> N11
+    N2 -.-> N5
+    N3 --> |uses protocols| N10
+    style N0 fill:#FFECB3,stroke:#FFC107
+    style N1 fill:#FFECB3,stroke:#FFC107
+    style N2 fill:#FCE4EC,stroke:#F06292
+    style N3 fill:#FCE4EC,stroke:#F06292
+    style N4 fill:#F1F8E9,stroke:#81C784
+    style N5 fill:#FFECB3,stroke:#FFC107
+    style N6 fill:#FCE4EC,stroke:#F06292
+    style N7 fill:#FCE4EC,stroke:#F06292
+    style N8 fill:#F1F8E9,stroke:#81C784
+    style N9 fill:#FCE4EC,stroke:#F06292
+    style N10 fill:#FCE4EC,stroke:#F06292
+    style N11 fill:#FCE4EC,stroke:#F06292
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#F06292,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:#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:#81C784,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:#FFC107,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_202.txt b/test/mermaid/easy/mermaid_202.txt
new file mode 100644
index 0000000000000000000000000000000000000000..24997130194697a490e161f8315d336600975c2d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_202.txt
@@ -0,0 +1,13 @@
+<Compliance with IoT Regulations, connectedTo, Connectivity Management>
+<Connectivity Management, connectedTo, Environmental Monitoring>
+<Connectivity Management, controls devices, Security Implementation>
+<Data Collection, deploys gateways, Industrial IoT>
+<Environmental Monitoring, connectedTo, Network Protocol Selection>
+<Gateway Development, secures devices, Environmental Monitoring>
+<Industrial IoT, connectedTo, end>
+<Network Protocol Selection, connectedTo, Smart City Sensors>
+<Security Implementation, complies with regulations, Gateway Development>
+<Security Implementation, uses protocols, Industrial IoT>
+<Smart City Sensors, connectedTo, Wearable Technology>
+<User Interface for IoT Apps, builds smart cities, Compliance with IoT Regulations>
+<Wearable Technology, connectedTo, Data Collection>
diff --git a/test/mermaid/easy/mermaid_206.mmd b/test/mermaid/easy/mermaid_206.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e932071d18de2acbe4ce8349563bc9e432d1fecc
--- /dev/null
+++ b/test/mermaid/easy/mermaid_206.mmd
@@ -0,0 +1,37 @@
+graph RL
+    N0([start])
+    N1([Smart City Edge Solutions])
+    N2(Edge Gateway Management)
+    N3(Edge API Management)
+    N4{Edge AI Model Deployment}
+    N5[Healthcare Edge Computing]
+    N6[Retail Edge Computing]
+    N7{Security for Edge Devices}
+    N8(Edge Security Analytics)
+    N9[Telecom Edge Computing]
+    N10([end])
+    N0 --> |yes| N1
+    N1 --> |yes| N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> |yes| N6
+    N6 --> N7
+    N7 --> |yes| N8
+    N8 -.-> N9
+    N9 -.-> |no| N10
+    N2 --> N6
+    N3 -.-> |no| 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:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#94C0C0,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_207.mmd b/test/mermaid/easy/mermaid_207.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c690106b9165fa5ca7e611079d93e0cd5fafeaf8
--- /dev/null
+++ b/test/mermaid/easy/mermaid_207.mmd
@@ -0,0 +1,40 @@
+graph LR
+    N0([start])
+    N1(Local AI or ML Inference)
+    N2(Healthcare Edge Computing)
+    N3[Edge Device Analytics]
+    N4[Event_Driven Architectures at Edge]
+    N5(Data Synchronization between Edge and Cloud)
+    N6(Compliance and Governance at Edge)
+    N7(Edge API Management)
+    N8([end])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> |designs architectures| N3
+    N3 -.-> |enhances privacy| N4
+    N4 --> |runs AI models| N5
+    N5 -.-> |orchestrates containers| N6
+    N6 -.-> N7
+    N7 -.-> |implements virtual machines| N8
+    N8 -.-> |optimizes telecoms| N3
+    N6 -.-> |optimizes resources| N3
+    style N0 fill:#FCFCE7,stroke:#DCE775
+    style N1 fill:#EFE6FF,stroke:#C2B2F0
+    style N2 fill:#FCFCE7,stroke:#DCE775
+    style N3 fill:#ECCFF5,stroke:#CD8FF2
+    style N4 fill:#ECCFF5,stroke:#CD8FF2
+    style N5 fill:#EFE6FF,stroke:#C2B2F0
+    style N6 fill:#EFE6FF,stroke:#C2B2F0
+    style N7 fill:#ECCFF5,stroke:#CD8FF2
+    style N8 fill:#EFE6FF,stroke:#C2B2F0
+    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:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#C2B2F0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_208.txt b/test/mermaid/easy/mermaid_208.txt
new file mode 100644
index 0000000000000000000000000000000000000000..911a883bec3fece1606c8a4183c92c9202035fd0
--- /dev/null
+++ b/test/mermaid/easy/mermaid_208.txt
@@ -0,0 +1,13 @@
+<Big Data Services in Cloud, connectedTo, Public Cloud Management>
+<Cloud Automation, tags resources, Big Data Services in Cloud>
+<Cloud Migration Strategy, builds hybrid clouds, Load Balancing in Cloud>
+<Cloud Migration Strategy, develops cloud_native apps, Cloud Automation>
+<Cloud Native Application Development, connectedTo, Cloud_based VPN Setup>
+<Cloud_based VPN Setup, offers DBaaS, Network Configuration in Cloud>
+<Disaster Recovery in Cloud, sets up VPNs, Cloud Migration Strategy>
+<Infrastructure as a Service, connectedTo, Cloud Native Application Development>
+<Load Balancing in Cloud, connectedTo, Infrastructure as a Service>
+<Network Configuration in Cloud, audits usage, start>
+<Network Configuration in Cloud, offers MLaaS, Private Cloud Management>
+<Private Cloud Management, integrates edge, Cloud Automation>
+<start, connectedTo, Disaster Recovery in Cloud>
diff --git a/test/mermaid/easy/mermaid_209.mmd b/test/mermaid/easy/mermaid_209.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..3deac22d6072c13efd52b0d87804b6ebb22103c4
--- /dev/null
+++ b/test/mermaid/easy/mermaid_209.mmd
@@ -0,0 +1,34 @@
+graph LR
+    N0([start])
+    N1([Network Configuration in Cloud])
+    N2([Cloud Monitoring and Logging])
+    N3(DevOps on Cloud)
+    N4[[Cloud Audit Trails]]
+    N5[Cloud Backup Solutions]
+    N6[(Cloud Marketplace Integration)]
+    N7[[Cloud Governance]]
+    N8([Serverless Computing])
+    N9([end])
+    N0 -.-> |no| N1
+    N1 -.-> |yes| N2
+    N2 -.-> N3
+    N3 -.-> |no| N4
+    N4 --> N5
+    N5 --> |yes| N6
+    N6 -.-> |no| N7
+    N7 -.-> N8
+    N8 --> |yes| N9
+    N8 --> |no| N2
+    N2 -.-> N4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A188D0,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:#FF5722,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_209.txt b/test/mermaid/easy/mermaid_209.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fadf7d37ccf768311e06eb2d78800e121896511e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_209.txt
@@ -0,0 +1,11 @@
+<Cloud Audit Trails, connectedTo, Cloud Backup Solutions>
+<Cloud Backup Solutions, yes, Cloud Marketplace Integration>
+<Cloud Governance, connectedTo, Serverless Computing>
+<Cloud Marketplace Integration, no, Cloud Governance>
+<Cloud Monitoring and Logging, connectedTo, Cloud Audit Trails>
+<Cloud Monitoring and Logging, connectedTo, DevOps on Cloud>
+<DevOps on Cloud, no, Cloud Audit Trails>
+<Network Configuration in Cloud, yes, Cloud Monitoring and Logging>
+<Serverless Computing, no, Cloud Monitoring and Logging>
+<Serverless Computing, yes, end>
+<start, no, Network Configuration in Cloud>
diff --git a/test/mermaid/easy/mermaid_21.mmd b/test/mermaid/easy/mermaid_21.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..4df053b21263cecf1639b8ceb0068a051fff0154
--- /dev/null
+++ b/test/mermaid/easy/mermaid_21.mmd
@@ -0,0 +1,44 @@
+graph BT
+    N0([start])
+    N1{Transmission Line Maintenance}
+    N2(Power Backup)
+    N3[(Peak Shaving)]
+    N4[Distributed Generation Management]
+    N5[Energy Efficiency Audit]
+    N6[/Power Plant/]
+    N7([Energy Market Analysis])
+    N8[/Carbon Capture/]
+    N9([Outage Detection])
+    N0 --> N1
+    N1 -.-> |transforms| N2
+    N2 -.-> |repairs| N3
+    N3 --> |stores| N4
+    N4 --> N5
+    N5 -.-> |markets| N6
+    N6 -.-> |permits| N7
+    N7 --> N8
+    N8 -.-> |backs up| N9
+    N5 -.-> |reads| N2
+    N3 --> N9
+    style N0 fill:#E8F0FF,stroke:#A2D0FF
+    style N1 fill:#FFF0CC,stroke:#FFCC80
+    style N2 fill:#FCFCE7,stroke:#DCE775
+    style N3 fill:#FCFCE7,stroke:#DCE775
+    style N4 fill:#FCFCE7,stroke:#DCE775
+    style N5 fill:#E8F0FF,stroke:#A2D0FF
+    style N6 fill:#E8F0FF,stroke:#A2D0FF
+    style N7 fill:#E8F0FF,stroke:#A2D0FF
+    style N8 fill:#FFF0CC,stroke:#FFCC80
+    style N9 fill:#E8F0FF,stroke:#A2D0FF
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#DCE775,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:#DCE775,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFCC80,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_211.mmd b/test/mermaid/easy/mermaid_211.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a4f0fc901a4a61b28f3ba019bbad204d30899118
--- /dev/null
+++ b/test/mermaid/easy/mermaid_211.mmd
@@ -0,0 +1,38 @@
+graph BT
+    N0([start])
+    N1(Patch Management)
+    N2{Network Performance Tuning}
+    N3(System Administration)
+    N4([Group Policy Management])
+    N5[Database Administration]
+    N6(Environmental Monitoring)
+    N7{Cabling and Wiring}
+    N8([Hardware Maintenance])
+    N0 --> |tracks assets| N1
+    N1 --> N2
+    N2 --> |deploys servers| N3
+    N3 --> N4
+    N4 --> |manages groups| N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N0 -.-> |installs racks| N4
+    style N0 fill:#F8FDD3,stroke:#D3EB9F
+    style N1 fill:#FFF9C4,stroke:#FFEB3B
+    style N2 fill:#F8FDD3,stroke:#D3EB9F
+    style N3 fill:#FFF9C4,stroke:#FFEB3B
+    style N4 fill:#F8FDD3,stroke:#D3EB9F
+    style N5 fill:#FFF9C4,stroke:#FFEB3B
+    style N6 fill:#E3F2FD,stroke:#64B5F6
+    style N7 fill:#FFF9C4,stroke:#FFEB3B
+    style N8 fill:#E3F2FD,stroke:#64B5F6
+    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:#D3EB9F,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:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,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_212.mmd b/test/mermaid/easy/mermaid_212.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..48aff924768c71a56e568dd6c840d735ba35ab76
--- /dev/null
+++ b/test/mermaid/easy/mermaid_212.mmd
@@ -0,0 +1,52 @@
+graph LR
+    N0([Access Control Systems])
+    N1[(Web Server Configuration)]
+    N2[[Disaster Recovery Planning]]
+    N3(Server Deployment)
+    N4[[Environmental Monitoring]]
+    N5{IT Asset Management}
+    N6[[Firewall Management]]
+    N7(Hardware Procurement)
+    N8([Virtualization])
+    N9(Network Design)
+    N10[Virtual Desktop Infrastructure]
+    N11([end])
+    N0 -.-> |administers databases| N1
+    N1 --> N2
+    N2 -.-> |deploys VDIs| N3
+    N3 --> N4
+    N4 --> |manages groups| N5
+    N5 --> |monitors performance| N6
+    N6 --> |configures firewalls| N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> |performs backups| N10
+    N10 -.-> N11
+    N6 --> N11
+    N2 --> |manages users| N10
+    style N0 fill:#F8BBD0,stroke:#E91E63
+    style N1 fill:#F8BBD0,stroke:#E91E63
+    style N2 fill:#F8BBD0,stroke:#E91E63
+    style N3 fill:#CFD8DC,stroke:#607D8B
+    style N4 fill:#F9FBE7,stroke:#C0CA33
+    style N5 fill:#F8BBD0,stroke:#E91E63
+    style N6 fill:#CFD8DC,stroke:#607D8B
+    style N7 fill:#F9FBE7,stroke:#C0CA33
+    style N8 fill:#F8BBD0,stroke:#E91E63
+    style N9 fill:#CFD8DC,stroke:#607D8B
+    style N10 fill:#F9FBE7,stroke:#C0CA33
+    style N11 fill:#F8BBD0,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:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#607D8B,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:#607D8B,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:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#C0CA33,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_215.mmd b/test/mermaid/easy/mermaid_215.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ef632b428bdbde56f6616fc164ee5b45f2093544
--- /dev/null
+++ b/test/mermaid/easy/mermaid_215.mmd
@@ -0,0 +1,46 @@
+graph BT
+    N0([start])
+    N1(Feedback Loops)
+    N2[Continuous Delivery]
+    N3[(Version Control)]
+    N4[Configuration Management]
+    N5[[Collaboration Tools]]
+    N6(Containerization)
+    N7[Environment Management]
+    N8{Immutable Infrastructure}
+    N9[Container Orchestration]
+    N10([Infrastructure as Code])
+    N0 --> N1
+    N1 -.-> |uses GitOps| N2
+    N2 --> |practices chaos engineering| N3
+    N3 -.-> |uses serverless| N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> |codes features| N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 -.-> |builds cloud_native apps| N10
+    N7 -.-> N0
+    style N0 fill:#E8F0EA,stroke:#92C79A
+    style N1 fill:#F1F8E9,stroke:#81C784
+    style N2 fill:#C8EDFF,stroke:#82DAFF
+    style N3 fill:#C8EDFF,stroke:#82DAFF
+    style N4 fill:#F1F8E9,stroke:#81C784
+    style N5 fill:#E8F0EA,stroke:#92C79A
+    style N6 fill:#C8EDFF,stroke:#82DAFF
+    style N7 fill:#C8EDFF,stroke:#82DAFF
+    style N8 fill:#E8F0EA,stroke:#92C79A
+    style N9 fill:#F1F8E9,stroke:#81C784
+    style N10 fill:#F1F8E9,stroke:#81C784
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#82DAFF,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#81C784,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:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#82DAFF,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_216.mmd b/test/mermaid/easy/mermaid_216.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f4a4351436980bb773802627142d02cc20382d25
--- /dev/null
+++ b/test/mermaid/easy/mermaid_216.mmd
@@ -0,0 +1,38 @@
+graph BT
+    N0([start])
+    N1(ChatOps)
+    N2(Chaos Engineering)
+    N3([Blue_Green Deployments])
+    N4[Continuous Delivery]
+    N5([Post_Mortem Analysis])
+    N6[/Code Quality Checks/]
+    N7(Version Control)
+    N8([Static Code Analysis])
+    N0 --> N1
+    N1 --> |automates tests| N2
+    N2 -.-> N3
+    N3 -.-> |sends alerts| N4
+    N4 --> N5
+    N5 -.-> |deploys releases| N6
+    N6 --> |provisions infrastructure| N7
+    N7 -.-> N8
+    N2 -.-> |manages microservices| N6
+    style N0 fill:#E0F2F1,stroke:#4DB6AC
+    style N1 fill:#FFE88D,stroke:#FFDA4E
+    style N2 fill:#E0F7FA,stroke:#00BCD4
+    style N3 fill:#E0F2F1,stroke:#4DB6AC
+    style N4 fill:#E0F2F1,stroke:#4DB6AC
+    style N5 fill:#FFE88D,stroke:#FFDA4E
+    style N6 fill:#E0F7FA,stroke:#00BCD4
+    style N7 fill:#E0F2F1,stroke:#4DB6AC
+    style N8 fill:#FFE88D,stroke:#FFDA4E
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4DB6AC,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:#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:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_216.txt b/test/mermaid/easy/mermaid_216.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9ef64e311a6d8b7c40c0604f86d0e509943c83a4
--- /dev/null
+++ b/test/mermaid/easy/mermaid_216.txt
@@ -0,0 +1,9 @@
+<Blue_Green Deployments, sends alerts, Continuous Delivery>
+<Chaos Engineering, connectedTo, Blue_Green Deployments>
+<Chaos Engineering, manages microservices, Code Quality Checks>
+<ChatOps, automates tests, Chaos Engineering>
+<Code Quality Checks, provisions infrastructure, Version Control>
+<Continuous Delivery, connectedTo, Post_Mortem Analysis>
+<Post_Mortem Analysis, deploys releases, Code Quality Checks>
+<Version Control, connectedTo, Static Code Analysis>
+<start, connectedTo, ChatOps>
diff --git a/test/mermaid/easy/mermaid_217.txt b/test/mermaid/easy/mermaid_217.txt
new file mode 100644
index 0000000000000000000000000000000000000000..939e8d7109fcdca618112c26d2bedb3942df412c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_217.txt
@@ -0,0 +1,11 @@
+<Coding, writes documentation, Maintenance>
+<Data Structures Implementation, connectedTo, Operating System Development>
+<Data Structures Implementation, connectedTo, Scalability Design>
+<Data Structures Implementation, manages databases, Cloud_Native Development>
+<Embedded Systems Development, integrates modules, Cloud_Native Development>
+<Maintenance, connectedTo, Data Structures Implementation>
+<Operating System Development, develops frontends, Scalability Design>
+<Scalability Design, connectedTo, Embedded Systems Development>
+<System Design, connectedTo, Unit Testing>
+<Unit Testing, creates mobile apps, Coding>
+<start, builds backends, System Design>
diff --git a/test/mermaid/easy/mermaid_219.mmd b/test/mermaid/easy/mermaid_219.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..76beff85c160d3214c149ea8c3f105961133635b
--- /dev/null
+++ b/test/mermaid/easy/mermaid_219.mmd
@@ -0,0 +1,37 @@
+graph BT
+    N0([start])
+    N1{Unit Testing}
+    N2[[Performance Optimization]]
+    N3[Code Review]
+    N4([Bug Fixing])
+    N5[(Containerization)]
+    N6[Requirements Gathering]
+    N7{Scalability Design}
+    N8[/Cloud_Native Development/]
+    N9[Testing Frameworks]
+    N10([end])
+    N0 --> N1
+    N1 --> N2
+    N2 --> |yes| N3
+    N3 -.-> |no| N4
+    N4 --> |yes| N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> |yes| N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 -.-> |no| N0
+    N6 -.-> N8
+    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:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4285F4,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:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#E57373,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_219.txt b/test/mermaid/easy/mermaid_219.txt
new file mode 100644
index 0000000000000000000000000000000000000000..25bd454116507e610741a2e854bc424187ccad5f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_219.txt
@@ -0,0 +1,12 @@
+<Bug Fixing, yes, Containerization>
+<Cloud_Native Development, connectedTo, Testing Frameworks>
+<Code Review, no, Bug Fixing>
+<Containerization, connectedTo, Requirements Gathering>
+<Performance Optimization, yes, Code Review>
+<Requirements Gathering, connectedTo, Cloud_Native Development>
+<Requirements Gathering, connectedTo, Scalability Design>
+<Scalability Design, yes, Cloud_Native Development>
+<Testing Frameworks, connectedTo, end>
+<Unit Testing, connectedTo, Performance Optimization>
+<end, no, start>
+<start, connectedTo, Unit Testing>
diff --git a/test/mermaid/easy/mermaid_22.mmd b/test/mermaid/easy/mermaid_22.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f0c0e2b6b368c52ffbd9311a4e53468277e8a8f5
--- /dev/null
+++ b/test/mermaid/easy/mermaid_22.mmd
@@ -0,0 +1,48 @@
+graph TD
+    N0([Intel Property Licensing])
+    N1([Closing Argument])
+    N2([Immigration Petition])
+    N3(Due Diligence)
+    N4(Amicus Brief Submission)
+    N5[(Appeal Submission)]
+    N6[(Judgment Writing)]
+    N7(Evidence Collection)
+    N8[Legal Research]
+    N9([Pre_Trial Hearing])
+    N10([Verdict Announcement])
+    N0 -.-> |complies| N1
+    N1 --> |settles| N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> |litigates| N5
+    N5 --> N6
+    N6 -.-> |executes| N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> |licences| N10
+    N6 -.-> |registers| N5
+    N9 -.-> N1
+    style N0 fill:#EFEBE9,stroke:#A1887F
+    style N1 fill:#F1F8E9,stroke:#81C784
+    style N2 fill:#EFEBE9,stroke:#A1887F
+    style N3 fill:#ECF0FD,stroke:#B8C0F5
+    style N4 fill:#EFEBE9,stroke:#A1887F
+    style N5 fill:#F1F8E9,stroke:#81C784
+    style N6 fill:#ECF0FD,stroke:#B8C0F5
+    style N7 fill:#EFEBE9,stroke:#A1887F
+    style N8 fill:#ECF0FD,stroke:#B8C0F5
+    style N9 fill:#EFEBE9,stroke:#A1887F
+    style N10 fill:#ECF0FD,stroke:#B8C0F5
+    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:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A1887F,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:#81C784,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#A1887F,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_22.txt b/test/mermaid/easy/mermaid_22.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e36c81ce32ab9f39cd40809cd3db361af7915bb9
--- /dev/null
+++ b/test/mermaid/easy/mermaid_22.txt
@@ -0,0 +1,12 @@
+<Amicus Brief Submission, litigates, Appeal Submission>
+<Appeal Submission, connectedTo, Judgment Writing>
+<Closing Argument, settles, Immigration Petition>
+<Due Diligence, connectedTo, Amicus Brief Submission>
+<Evidence Collection, connectedTo, Legal Research>
+<Immigration Petition, connectedTo, Due Diligence>
+<Intel Property Licensing, complies, Closing Argument>
+<Judgment Writing, executes, Evidence Collection>
+<Judgment Writing, registers, Appeal Submission>
+<Legal Research, connectedTo, Pre_Trial Hearing>
+<Pre_Trial Hearing, connectedTo, Closing Argument>
+<Pre_Trial Hearing, licences, Verdict Announcement>
diff --git a/test/mermaid/easy/mermaid_220.mmd b/test/mermaid/easy/mermaid_220.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e82b765fbec199832fb3d1b79971bf0cc80c6ea0
--- /dev/null
+++ b/test/mermaid/easy/mermaid_220.mmd
@@ -0,0 +1,52 @@
+graph BT
+    N0([start])
+    N1[/Reliability Testing/]
+    N2[Test Fixture Design]
+    N3[[Material Selection]]
+    N4[Schematic Capture]
+    N5[Assembly Line Optimization]
+    N6(FPGA Design)
+    N7[(High_Speed Digital Design)]
+    N8(Power Integrity Analysis)
+    N9([Intellectual Property Protection])
+    N10[Thermal Management]
+    N11([end])
+    N0 -.-> N1
+    N1 --> |develops firmware| N2
+    N2 -.-> N3
+    N3 --> |designs optical systems| N4
+    N4 -.-> N5
+    N5 --> |troubleshoots issues| N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> |creates documentation| N9
+    N9 --> N10
+    N10 -.-> |optimizes costs| N11
+    N0 --> N11
+    N10 -.-> N0
+    style N0 fill:#FFEBEE,stroke:#E57373
+    style N1 fill:#F6F6F6,stroke:#CFCFCF
+    style N2 fill:#FFEBEE,stroke:#E57373
+    style N3 fill:#FFEBEE,stroke:#E57373
+    style N4 fill:#FFEBEE,stroke:#E57373
+    style N5 fill:#F6F6F6,stroke:#CFCFCF
+    style N6 fill:#FFEBEE,stroke:#E57373
+    style N7 fill:#FFF9D4,stroke:#FFE69C
+    style N8 fill:#FFF9D4,stroke:#FFE69C
+    style N9 fill:#FFF9D4,stroke:#FFE69C
+    style N10 fill:#F6F6F6,stroke:#CFCFCF
+    style N11 fill:#FFF9D4,stroke:#FFE69C
+    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:#FFE69C,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:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E57373,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:#E57373,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFE69C,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_220.txt b/test/mermaid/easy/mermaid_220.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fe2bd07b38a7ec0c31a17c4c7c140443b6f7d19e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_220.txt
@@ -0,0 +1,13 @@
+<Assembly Line Optimization, troubleshoots issues, FPGA Design>
+<FPGA Design, connectedTo, High_Speed Digital Design>
+<High_Speed Digital Design, connectedTo, Power Integrity Analysis>
+<Intellectual Property Protection, connectedTo, Thermal Management>
+<Material Selection, designs optical systems, Schematic Capture>
+<Power Integrity Analysis, creates documentation, Intellectual Property Protection>
+<Reliability Testing, develops firmware, Test Fixture Design>
+<Schematic Capture, connectedTo, Assembly Line Optimization>
+<Test Fixture Design, connectedTo, Material Selection>
+<Thermal Management, connectedTo, start>
+<Thermal Management, optimizes costs, end>
+<start, connectedTo, Reliability Testing>
+<start, connectedTo, end>
diff --git a/test/mermaid/easy/mermaid_222.mmd b/test/mermaid/easy/mermaid_222.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ee7cd128ba77e46d9bb3c301844c641d162dc302
--- /dev/null
+++ b/test/mermaid/easy/mermaid_222.mmd
@@ -0,0 +1,40 @@
+graph BT
+    N0([start])
+    N1[Material Selection]
+    N2(Reliability Testing)
+    N3([RF Circuit Design])
+    N4{Sensor Integration}
+    N5[[Signal Integrity Analysis]]
+    N6[Power Integrity Analysis]
+    N7[[ASIC Design]]
+    N8[[Testing and Validation]]
+    N9[[Documentation]]
+    N10{Circuit Design}
+    N11([end])
+    N0 --> |yes| N1
+    N1 --> |no| N2
+    N2 --> |yes| N3
+    N3 --> |no| N4
+    N4 -.-> N5
+    N5 --> |no| N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> |no| N9
+    N9 -.-> N10
+    N10 --> |yes| N11
+    N3 --> |yes| N10
+    N10 -.-> N7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#7986CB,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:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#7986CB,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_223.txt b/test/mermaid/easy/mermaid_223.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e719b07aa201f090d1afd7095b690ea0093bffce
--- /dev/null
+++ b/test/mermaid/easy/mermaid_223.txt
@@ -0,0 +1,12 @@
+<AR or VR Features in Mobile, integrates ads, Widget Development>
+<Database Design for Mobile, builds backends, start>
+<Database Design for Mobile, connectedTo, end>
+<Offline Mode Development, processes payments, Database Design for Mobile>
+<Prototyping, connectedTo, User Experience Design>
+<Security Implementation, connectedTo, User Feedback Collection>
+<User Experience Design, develops cross_platform apps, AR or VR Features in Mobile>
+<User Feedback Collection, creates wireframes, Offline Mode Development>
+<User Onboarding Flows, manages subscriptions, Security Implementation>
+<Widget Development, concepts ideas, User Onboarding Flows>
+<end, designs UIs, User Feedback Collection>
+<start, connectedTo, Prototyping>
diff --git a/test/mermaid/easy/mermaid_225.txt b/test/mermaid/easy/mermaid_225.txt
new file mode 100644
index 0000000000000000000000000000000000000000..10cacf13b62d6dc3f00c4c6b5e6d0935716f8faf
--- /dev/null
+++ b/test/mermaid/easy/mermaid_225.txt
@@ -0,0 +1,12 @@
+<Camera Integration, gathers feedback, Gamification Elements>
+<Concept Development, connectedTo, Microphone Integration>
+<Gamification Elements, connectedTo, Testing and Debugging>
+<Microphone Integration, concepts ideas, Push Notification Implementation>
+<Performance Optimization, connectedTo, Subscription Management>
+<Push Notification Implementation, connectedTo, User Onboarding Flows>
+<Push Notification Implementation, enables offline access, start>
+<Subscription Management, conducts tests, end>
+<Subscription Management, connectedTo, Microphone Integration>
+<Testing and Debugging, monitors crashes, Concept Development>
+<User Onboarding Flows, connectedTo, Performance Optimization>
+<start, connectedTo, Camera Integration>
diff --git a/test/mermaid/easy/mermaid_227.txt b/test/mermaid/easy/mermaid_227.txt
new file mode 100644
index 0000000000000000000000000000000000000000..56a50ab0232c4a087b1fe016e5c6e88605984403
--- /dev/null
+++ b/test/mermaid/easy/mermaid_227.txt
@@ -0,0 +1,11 @@
+<Content Moderation, runs ads, Personal Branding on Social Media>
+<Cross_Promotion, builds personal brands, Direct Messaging Strategy>
+<Customer Service on Social Media, connectedTo, Content Moderation>
+<Direct Messaging Strategy, explores new features, Scheduling Posts>
+<Influencer Collaboration, connectedTo, Reels or Short Video Production>
+<Performance Analytics, connectedTo, Customer Service on Social Media>
+<Personal Branding on Social Media, connectedTo, end>
+<Reels or Short Video Production, shares links, Cross_Promotion>
+<Scheduling Posts, connectedTo, Customer Service on Social Media>
+<Scheduling Posts, produces reels, Performance Analytics>
+<start, supports customers, Influencer Collaboration>
diff --git a/test/mermaid/easy/mermaid_228.txt b/test/mermaid/easy/mermaid_228.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a55d9e33e232bfdae760712655298ab783bf8b56
--- /dev/null
+++ b/test/mermaid/easy/mermaid_228.txt
@@ -0,0 +1,13 @@
+<Brand Voice Development, connectedTo, Reputation Management>
+<Brand Voice Development, selects platforms, start>
+<Content Creation, connectedTo, Polls and Quizzes Creation>
+<Direct Messaging Strategy, explores new features, Group Management>
+<Emerging Platform Exploration, collaborates with influencers, Direct Messaging Strategy>
+<Group Management, engages audiences, Hashtag Research>
+<Paid Social Media Advertising, develops strategies, Emerging Platform Exploration>
+<Polls and Quizzes Creation, creates content, Trend Monitoring>
+<Reputation Management, connectedTo, User_Generated Content Curation>
+<Trend Monitoring, hosts live streams, Brand Voice Development>
+<Trend Monitoring, schedules posts, User_Generated Content Curation>
+<User_Generated Content Curation, connectedTo, Paid Social Media Advertising>
+<start, connectedTo, Content Creation>
diff --git a/test/mermaid/easy/mermaid_230.mmd b/test/mermaid/easy/mermaid_230.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0d5a9510cadbc3871fa33287011ec57fecfe0f7e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_230.mmd
@@ -0,0 +1,34 @@
+graph LR
+    N0([News Search])
+    N1[(Off_Page SEO)]
+    N2(International SEO)
+    N3(Algorithm Updates Monitoring)
+    N4([Technical SEO])
+    N5([Personalized Search Results])
+    N6[[Keyword Research]]
+    N7([Competitor Keyword Analysis])
+    N0 -.-> |personalizes results| N1
+    N1 --> |understands intent| N2
+    N2 --> |uses schema markup| N3
+    N3 --> N4
+    N4 --> |optimizes on_page| N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> |processes updates| N1
+    style N0 fill:#F6F6F6,stroke:#CFCFCF
+    style N1 fill:#F6F6F6,stroke:#CFCFCF
+    style N2 fill:#F6F6F6,stroke:#CFCFCF
+    style N3 fill:#EBEBEB,stroke:#E0E0E0
+    style N4 fill:#F6F6F6,stroke:#CFCFCF
+    style N5 fill:#FFF9C4,stroke:#FFEB3B
+    style N6 fill:#F6F6F6,stroke:#CFCFCF
+    style N7 fill:#F6F6F6,stroke:#CFCFCF
+    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:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CFCFCF,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:#E0E0E0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_230.txt b/test/mermaid/easy/mermaid_230.txt
new file mode 100644
index 0000000000000000000000000000000000000000..42d87e8f3b83c35643e43b4938d92085f82ea819
--- /dev/null
+++ b/test/mermaid/easy/mermaid_230.txt
@@ -0,0 +1,8 @@
+<Algorithm Updates Monitoring, connectedTo, Technical SEO>
+<Competitor Keyword Analysis, processes updates, Off_Page SEO>
+<International SEO, uses schema markup, Algorithm Updates Monitoring>
+<Keyword Research, connectedTo, Competitor Keyword Analysis>
+<News Search, personalizes results, Off_Page SEO>
+<Off_Page SEO, understands intent, International SEO>
+<Personalized Search Results, connectedTo, Keyword Research>
+<Technical SEO, optimizes on_page, Personalized Search Results>
diff --git a/test/mermaid/easy/mermaid_232.mmd b/test/mermaid/easy/mermaid_232.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5ef052e9ab89cd974eabb0ad67e827acdd5978d8
--- /dev/null
+++ b/test/mermaid/easy/mermaid_232.mmd
@@ -0,0 +1,52 @@
+graph LR
+    N0([Data Minimization Principles])
+    N1[(Password Management)]
+    N2[Digital Signatures]
+    N3[(Verifiable Credentials)]
+    N4(Credential Management)
+    N5{Privileged Access Management}
+    N6[[Digital Wallets for Identity]]
+    N7[Identity Threat Detection and Response]
+    N8([Workforce Identity Management])
+    N9[User Provisioning]
+    N10[API Security for Identity]
+    N11([Portable Identities])
+    N0 --> |de_provisions users| N1
+    N1 --> |implements PAM| N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> |ensures privacy| N5
+    N5 --> |registers identities| N6
+    N6 -.-> N7
+    N7 --> |implements adaptive authentication| N8
+    N8 -.-> N9
+    N9 --> |manages consents| N10
+    N10 -.-> N11
+    N7 -.-> N2
+    N5 --> |manages credentials| N8
+    style N0 fill:#FFF6D9,stroke:#FFCC7A
+    style N1 fill:#FFFDE0,stroke:#FFF8A6
+    style N2 fill:#F1F8E9,stroke:#388E3C
+    style N3 fill:#F1F8E9,stroke:#388E3C
+    style N4 fill:#FFFDE0,stroke:#FFF8A6
+    style N5 fill:#FFFDE0,stroke:#FFF8A6
+    style N6 fill:#FFF6D9,stroke:#FFCC7A
+    style N7 fill:#F1F8E9,stroke:#388E3C
+    style N8 fill:#FFF6D9,stroke:#FFCC7A
+    style N9 fill:#F1F8E9,stroke:#388E3C
+    style N10 fill:#FFFDE0,stroke:#FFF8A6
+    style N11 fill:#FFFDE0,stroke:#FFF8A6
+    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:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFCC7A,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:#388E3C,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_233.txt b/test/mermaid/easy/mermaid_233.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9bd8949b6cf1e117464c2081f3ba3657769c8e87
--- /dev/null
+++ b/test/mermaid/easy/mermaid_233.txt
@@ -0,0 +1,12 @@
+<Access Governance, connectedTo, Identity Lifecycle Management>
+<Access Governance, no, Identity Threat Detection and Response>
+<Adaptive Authentication, no, Identity Threat Detection and Response>
+<Biometric Authentication, connectedTo, Workforce Identity Management>
+<Blockchain_based Identity, no, Identity Proofing>
+<De_provisioning, yes, Federated Identity Management>
+<Federated Identity Management, connectedTo, Blockchain_based Identity>
+<Identity Lifecycle Management, yes, De_provisioning>
+<Identity Proofing, no, Adaptive Authentication>
+<Identity Threat Detection and Response, no, end>
+<Workforce Identity Management, yes, Access Governance>
+<start, connectedTo, Biometric Authentication>
diff --git a/test/mermaid/easy/mermaid_234.mmd b/test/mermaid/easy/mermaid_234.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d397436e3634acb7d76faceebd2a7909a8eea353
--- /dev/null
+++ b/test/mermaid/easy/mermaid_234.mmd
@@ -0,0 +1,38 @@
+graph BT
+    N0([Data Encryption for Identity])
+    N1(Privacy Management)
+    N2[/Authorization/]
+    N3(KYC Integration)
+    N4[/Consent Management/]
+    N5{Biometric Authentication}
+    N6(Digital Signatures)
+    N7[/De_provisioning/]
+    N8([end])
+    N0 --> N1
+    N1 -.-> |stores attributes| N2
+    N2 --> |manages consents| N3
+    N3 --> |provides IDaaS| N4
+    N4 --> |manages credentials| N5
+    N5 -.-> N6
+    N6 --> |manages workforces| N7
+    N7 --> |provisions users| N8
+    N0 --> N5
+    style N0 fill:#FFEBEE,stroke:#E57373
+    style N1 fill:#E1F5FE,stroke:#4FC3F7
+    style N2 fill:#FFEBEE,stroke:#E57373
+    style N3 fill:#E1F5FE,stroke:#4FC3F7
+    style N4 fill:#FFEBEE,stroke:#E57373
+    style N5 fill:#FFFDE0,stroke:#FFF8A6
+    style N6 fill:#FFEBEE,stroke:#E57373
+    style N7 fill:#E1F5FE,stroke:#4FC3F7
+    style N8 fill:#FFFDE0,stroke:#FFF8A6
+    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:#4FC3F7,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:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFF8A6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_237.mmd b/test/mermaid/easy/mermaid_237.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..8f3adf4d5eca2c45fa3ec334f442ac68190c02c5
--- /dev/null
+++ b/test/mermaid/easy/mermaid_237.mmd
@@ -0,0 +1,29 @@
+graph LR
+    N0([start])
+    N1(Student Progress Tracking)
+    N2([Accreditation Management])
+    N3(Adaptive Learning Technologies)
+    N4[[Assessment Design]]
+    N5[(Feedback and Grading)]
+    N6([Enrollment and Retention Strategies])
+    N7(Virtual Classroom Facilitation)
+    N8([end])
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> |yes| N3
+    N3 -.-> |yes| N4
+    N4 -.-> N5
+    N5 --> |yes| N6
+    N6 --> |no| N7
+    N7 --> N8
+    N6 --> N8
+    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:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4CAF50,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:#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_237.txt b/test/mermaid/easy/mermaid_237.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5ca7bf1bc24d653b96d22b1e1e8484a45566489a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_237.txt
@@ -0,0 +1,9 @@
+<Accreditation Management, yes, Adaptive Learning Technologies>
+<Adaptive Learning Technologies, yes, Assessment Design>
+<Assessment Design, connectedTo, Feedback and Grading>
+<Enrollment and Retention Strategies, connectedTo, end>
+<Enrollment and Retention Strategies, no, Virtual Classroom Facilitation>
+<Feedback and Grading, yes, Enrollment and Retention Strategies>
+<Student Progress Tracking, connectedTo, Accreditation Management>
+<Virtual Classroom Facilitation, connectedTo, end>
+<start, connectedTo, Student Progress Tracking>
diff --git a/test/mermaid/easy/mermaid_238.mmd b/test/mermaid/easy/mermaid_238.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ca2531defb12b4a7da4c6bb637ba9d7f21cc786d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_238.mmd
@@ -0,0 +1,37 @@
+graph BT
+    N0([start])
+    N1([Completion Rate Optimization])
+    N2(Specialization or Professional Certificate Programs)
+    N3[/Subscription Models/]
+    N4[Learner Support]
+    N5[/Learner Feedback Analysis/]
+    N6[/Instructor_Led Sessions/]
+    N7{Course Retirement Planning}
+    N8[/Micro_credential Stacking/]
+    N9([Continuous Course Improvement])
+    N10([end])
+    N0 --> |no| N1
+    N1 -.-> |yes| N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> |no| N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> |no| N8
+    N8 -.-> |no| N9
+    N9 -.-> |yes| N10
+    N1 -.-> |yes| N7
+    N2 -.-> |no| 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:#E57373,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#6FE1D5,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#D2D2D2,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:#E57373,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_238.txt b/test/mermaid/easy/mermaid_238.txt
new file mode 100644
index 0000000000000000000000000000000000000000..212a6b0b58b40b30f6f371c980b412071150d484
--- /dev/null
+++ b/test/mermaid/easy/mermaid_238.txt
@@ -0,0 +1,12 @@
+<Completion Rate Optimization, yes, Course Retirement Planning>
+<Completion Rate Optimization, yes, Specialization or Professional Certificate Programs>
+<Continuous Course Improvement, yes, end>
+<Course Retirement Planning, no, Micro_credential Stacking>
+<Instructor_Led Sessions, connectedTo, Course Retirement Planning>
+<Learner Feedback Analysis, connectedTo, Instructor_Led Sessions>
+<Learner Support, no, Learner Feedback Analysis>
+<Micro_credential Stacking, no, Continuous Course Improvement>
+<Specialization or Professional Certificate Programs, connectedTo, Subscription Models>
+<Specialization or Professional Certificate Programs, no, start>
+<Subscription Models, connectedTo, Learner Support>
+<start, no, Completion Rate Optimization>
diff --git a/test/mermaid/easy/mermaid_239.mmd b/test/mermaid/easy/mermaid_239.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0e68a3cc174a8afa45c1f1ee0ef1e755b7054cec
--- /dev/null
+++ b/test/mermaid/easy/mermaid_239.mmd
@@ -0,0 +1,37 @@
+graph TD
+    N0([start])
+    N1[Career Pathway Mapping]
+    N2[/Certificate of Completion Issuance/]
+    N3([Technical Infrastructure for Scale])
+    N4[/Corporate Training Solutions/]
+    N5([Research on MOOC Effectiveness])
+    N6[(Skill_Based Learning Outcomes)]
+    N7[/Engagement Metrics Tracking/]
+    N8(Course Retirement Planning)
+    N9[Content Licensing]
+    N10([end])
+    N0 -.-> |yes| N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> |yes| N5
+    N5 -.-> N6
+    N6 --> |yes| N7
+    N7 -.-> |yes| N8
+    N8 --> |yes| N9
+    N9 --> |no| N10
+    N3 -.-> N1
+    N6 -.-> N3
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFEB3B,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:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#BA68C8,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:#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_240.mmd b/test/mermaid/easy/mermaid_240.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c79e7922f4175c231828f0dd767c75120e8bb97f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_240.mmd
@@ -0,0 +1,29 @@
+graph BT
+    N0([start])
+    N1{Instructor Recruitment for MOOCs}
+    N2[(Learner Feedback Analysis)]
+    N3[/Career Pathway Mapping/]
+    N4{Course Content Development}
+    N5[Self_Paced Learning Tracks]
+    N6(Verified Track Management)
+    N7(Peer Grading Implementation)
+    N8([end])
+    N0 -.-> N1
+    N1 --> |no| N2
+    N2 --> |yes| N3
+    N3 --> N4
+    N4 --> |yes| N5
+    N5 -.-> |yes| N6
+    N6 --> N7
+    N7 -.-> N8
+    N0 --> N4
+    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:#64B5F6,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:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFB2A5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_240.txt b/test/mermaid/easy/mermaid_240.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f1a888e8cbbf4d10b16684c975665d5fc7147020
--- /dev/null
+++ b/test/mermaid/easy/mermaid_240.txt
@@ -0,0 +1,9 @@
+<Career Pathway Mapping, connectedTo, Course Content Development>
+<Course Content Development, yes, Self_Paced Learning Tracks>
+<Instructor Recruitment for MOOCs, no, Learner Feedback Analysis>
+<Learner Feedback Analysis, yes, Career Pathway Mapping>
+<Peer Grading Implementation, connectedTo, end>
+<Self_Paced Learning Tracks, yes, Verified Track Management>
+<Verified Track Management, connectedTo, Peer Grading Implementation>
+<start, connectedTo, Course Content Development>
+<start, connectedTo, Instructor Recruitment for MOOCs>
diff --git a/test/mermaid/easy/mermaid_242.txt b/test/mermaid/easy/mermaid_242.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7a07adf98a6e5042a344513662ce898a8491a012
--- /dev/null
+++ b/test/mermaid/easy/mermaid_242.txt
@@ -0,0 +1,12 @@
+<Curriculum Development, yes, Video Lecture Production>
+<Curriculum Development, yes, end>
+<Flashcard Creation, yes, Test_Taking Strategies>
+<Mock Exam Administration, connectedTo, Study Material Design>
+<Professional Licensure Exam Prep, no, Flashcard Creation>
+<Stress Management for Exams, connectedTo, Professional Licensure Exam Prep>
+<Study Material Design, yes, Stress Management for Exams>
+<Test_Taking Strategies, yes, Time Management Coaching>
+<Time Management Coaching, yes, Curriculum Development>
+<Video Lecture Production, connectedTo, Flashcard Creation>
+<Video Lecture Production, connectedTo, Mock Exam Administration>
+<start, no, Video Lecture Production>
diff --git a/test/mermaid/easy/mermaid_243.txt b/test/mermaid/easy/mermaid_243.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1e0885cda7d0ea77bcf31e1fcd80ca2b72c0157a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_243.txt
@@ -0,0 +1,9 @@
+<Critical Thinking Development, connectedTo, Student Progress Tracking>
+<Practice Test Creation, motivates, Study Material Design>
+<Science Concept Review, personalizes, Critical Thinking Development>
+<Score Analysis, monitors, Test_Taking Strategies>
+<Stress Management for Exams, connectedTo, Science Concept Review>
+<Student Progress Tracking, connectedTo, Score Analysis>
+<Study Material Design, connectedTo, Diagnostic Assessment>
+<Test_Taking Strategies, automates, Stress Management for Exams>
+<Test_Taking Strategies, connectedTo, Practice Test Creation>
diff --git a/test/mermaid/easy/mermaid_244.mmd b/test/mermaid/easy/mermaid_244.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f49bf5bd1e7a526fbe3ee4bede2d9025abf3b690
--- /dev/null
+++ b/test/mermaid/easy/mermaid_244.mmd
@@ -0,0 +1,44 @@
+graph LR
+    N0([start])
+    N1[(Contextual Learning)]
+    N2[Reading Comprehension]
+    N3[[Error Correction Feedback]]
+    N4[[Language for Specific Purposes]]
+    N5(Immersion Programs)
+    N6([Certification Exam Preparation])
+    N7[/Interactive Dialogues/]
+    N8[[Speaking Practice]]
+    N9([Language Exchange Programs])
+    N0 -.-> N1
+    N1 -.-> |practices| N2
+    N2 --> N3
+    N3 -.-> |interacts| N4
+    N4 --> |learns| N5
+    N5 --> |tracks| N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> |reads| N9
+    N5 --> N9
+    N9 -.-> |evaluates| N0
+    style N0 fill:#F1F8E9,stroke:#81C784
+    style N1 fill:#F1F8E9,stroke:#81C784
+    style N2 fill:#FFF9C4,stroke:#FFEB3B
+    style N3 fill:#F1F8E9,stroke:#81C784
+    style N4 fill:#F1F8E9,stroke:#81C784
+    style N5 fill:#FFF9C4,stroke:#FFEB3B
+    style N6 fill:#FFF9C4,stroke:#FFEB3B
+    style N7 fill:#F1F8E9,stroke:#81C784
+    style N8 fill:#F1F8E9,stroke:#81C784
+    style N9 fill:#FFF9C4,stroke:#FFEB3B
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#81C784,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:#81C784,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#795548,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_245.txt b/test/mermaid/easy/mermaid_245.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bca747a5c1b0d5861ade350fff4a8515eea55326
--- /dev/null
+++ b/test/mermaid/easy/mermaid_245.txt
@@ -0,0 +1,9 @@
+<Certification Exam Preparation, connectedTo, Native Speaker Interaction>
+<Listening Comprehension, interacts, end>
+<Native Speaker Interaction, connectedTo, end>
+<Native Speaker Interaction, speaks, Listening Comprehension>
+<Translation Exercises, practices, Writing Exercises>
+<Virtual Reality Language Environments, connectedTo, Translation Exercises>
+<Virtual Reality Language Environments, tracks, start>
+<Writing Exercises, teaches, Certification Exam Preparation>
+<start, converts, Virtual Reality Language Environments>
diff --git a/test/mermaid/easy/mermaid_246.mmd b/test/mermaid/easy/mermaid_246.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d984a6837ac781d369929c44aef313c21f198509
--- /dev/null
+++ b/test/mermaid/easy/mermaid_246.mmd
@@ -0,0 +1,46 @@
+graph TD
+    N0([AI_Powered Language Tutors])
+    N1(Listening Comprehension)
+    N2[Language Assessment Tests]
+    N3{Flashcard Systems}
+    N4[(Gamified Learning Activities)]
+    N5[Children's Language Learning]
+    N6{Grammar Practice}
+    N7[(Language Exchange Programs)]
+    N8[/Reading Comprehension/]
+    N9[[Adult Language Learning]]
+    N10([Contextual Learning])
+    N0 -.-> N1
+    N1 -.-> |facilitates| N2
+    N2 -.-> |dialogues| N3
+    N3 -.-> |memorizes| N4
+    N4 -.-> |markets| N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> N10
+    N9 --> |publishes| N6
+    style N0 fill:#FFCCBC,stroke:#FF5722
+    style N1 fill:#DFE7EB,stroke:#B0C5CD
+    style N2 fill:#FFFCE6,stroke:#FFF9AE
+    style N3 fill:#FFFCE6,stroke:#FFF9AE
+    style N4 fill:#DFE7EB,stroke:#B0C5CD
+    style N5 fill:#DFE7EB,stroke:#B0C5CD
+    style N6 fill:#FFCCBC,stroke:#FF5722
+    style N7 fill:#FFCCBC,stroke:#FF5722
+    style N8 fill:#FFCCBC,stroke:#FF5722
+    style N9 fill:#FFCCBC,stroke:#FF5722
+    style N10 fill:#DFE7EB,stroke:#B0C5CD
+    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:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#B0C5CD,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:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,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_246.txt b/test/mermaid/easy/mermaid_246.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1e4acb8bb2ad926393db6dcadfaa9f3b4509884d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_246.txt
@@ -0,0 +1,11 @@
+<AI_Powered Language Tutors, connectedTo, Listening Comprehension>
+<Adult Language Learning, connectedTo, Contextual Learning>
+<Adult Language Learning, publishes, Grammar Practice>
+<Children's Language Learning, connectedTo, Grammar Practice>
+<Flashcard Systems, memorizes, Gamified Learning Activities>
+<Gamified Learning Activities, markets, Children's Language Learning>
+<Grammar Practice, connectedTo, Language Exchange Programs>
+<Language Assessment Tests, dialogues, Flashcard Systems>
+<Language Exchange Programs, connectedTo, Reading Comprehension>
+<Listening Comprehension, facilitates, Language Assessment Tests>
+<Reading Comprehension, connectedTo, Adult Language Learning>
diff --git a/test/mermaid/easy/mermaid_248.mmd b/test/mermaid/easy/mermaid_248.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a179d314eccb0234a768c99ac738aee1e5b2fb27
--- /dev/null
+++ b/test/mermaid/easy/mermaid_248.mmd
@@ -0,0 +1,44 @@
+graph TD
+    N0([Cognitive Behavioral Therapy])
+    N1([Child & Adolescent Therapy])
+    N2{Counseling Services}
+    N3{Recreational Therapy}
+    N4[/Support Group Facilitation/]
+    N5[Music Therapy]
+    N6([Inpatient Treatment Coordination])
+    N7[Emotional Regulation Training]
+    N8[Family Therapy]
+    N9([end])
+    N0 -.-> N1
+    N1 --> |coordinates| N2
+    N2 --> |secures| N3
+    N3 --> N4
+    N4 -.-> |researches| N5
+    N5 --> |counsels| N6
+    N6 -.-> |facilitates| N7
+    N7 -.-> N8
+    N8 -.-> |develops| N9
+    N4 --> N3
+    N5 -.-> |records| N0
+    style N0 fill:#F0F4C3,stroke:#AED581
+    style N1 fill:#F0F4C3,stroke:#AED581
+    style N2 fill:#F9FBE7,stroke:#DCE775
+    style N3 fill:#F0F4C3,stroke:#AED581
+    style N4 fill:#C8E6C9,stroke:#4CAF50
+    style N5 fill:#F0F4C3,stroke:#AED581
+    style N6 fill:#F0F4C3,stroke:#AED581
+    style N7 fill:#F0F4C3,stroke:#AED581
+    style N8 fill:#F0F4C3,stroke:#AED581
+    style N9 fill:#F0F4C3,stroke:#AED581
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#4CAF50,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:#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:#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:#4CAF50,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_248.txt b/test/mermaid/easy/mermaid_248.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8e8bfc3d40bf4b313e2098fe917fd234dd636c81
--- /dev/null
+++ b/test/mermaid/easy/mermaid_248.txt
@@ -0,0 +1,11 @@
+<Child & Adolescent Therapy, coordinates, Counseling Services>
+<Cognitive Behavioral Therapy, connectedTo, Child & Adolescent Therapy>
+<Counseling Services, secures, Recreational Therapy>
+<Emotional Regulation Training, connectedTo, Family Therapy>
+<Family Therapy, develops, end>
+<Inpatient Treatment Coordination, facilitates, Emotional Regulation Training>
+<Music Therapy, counsels, Inpatient Treatment Coordination>
+<Music Therapy, records, Cognitive Behavioral Therapy>
+<Recreational Therapy, connectedTo, Support Group Facilitation>
+<Support Group Facilitation, connectedTo, Recreational Therapy>
+<Support Group Facilitation, researches, Music Therapy>
diff --git a/test/mermaid/easy/mermaid_249.txt b/test/mermaid/easy/mermaid_249.txt
new file mode 100644
index 0000000000000000000000000000000000000000..29a418a21efde0c52a6ad9a08ae5a90582403067
--- /dev/null
+++ b/test/mermaid/easy/mermaid_249.txt
@@ -0,0 +1,11 @@
+<Art Therapy, connectedTo, Family Therapy>
+<Child & Adolescent Therapy, connectedTo, Digital Mental Health Tools>
+<Digital Mental Health Tools, no, Post_Traumatic Stress Disorder Support>
+<Family Therapy, connectedTo, Trauma Therapy>
+<Group Therapy, yes, Relapse Prevention>
+<Post_Traumatic Stress Disorder Support, connectedTo, end>
+<Relapse Prevention, yes, Child & Adolescent Therapy>
+<Support Group Facilitation, connectedTo, Art Therapy>
+<Support Group Facilitation, no, Post_Traumatic Stress Disorder Support>
+<Trauma Therapy, no, Group Therapy>
+<start, connectedTo, Support Group Facilitation>
diff --git a/test/mermaid/easy/mermaid_25.mmd b/test/mermaid/easy/mermaid_25.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d6b186a4361cad5fdadb5970b5c688d895ab252e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_25.mmd
@@ -0,0 +1,32 @@
+graph TD
+    N0([start])
+    N1(Ocean Freight Management)
+    N2([Barcode Scanning])
+    N3[Global Trade Compliance]
+    N4[Rail Transport Coordination]
+    N5(Demand Forecasting Integration)
+    N6[Customs Declaration]
+    N7[Supply Chain Visibility]
+    N8{Packing Process}
+    N9([end])
+    N0 --> N1
+    N1 -.-> |yes| N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> |yes| N5
+    N5 --> |no| N6
+    N6 --> N7
+    N7 --> |no| N8
+    N8 -.-> |no| N9
+    N2 --> |no| N9
+    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:#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:#000000,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:#BDBDBD,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_25.txt b/test/mermaid/easy/mermaid_25.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1c71dfb7bcc17e40c4aef199f9ba9f86793e1579
--- /dev/null
+++ b/test/mermaid/easy/mermaid_25.txt
@@ -0,0 +1,10 @@
+<Barcode Scanning, connectedTo, Global Trade Compliance>
+<Barcode Scanning, no, end>
+<Customs Declaration, connectedTo, Supply Chain Visibility>
+<Demand Forecasting Integration, no, Customs Declaration>
+<Global Trade Compliance, connectedTo, Rail Transport Coordination>
+<Ocean Freight Management, yes, Barcode Scanning>
+<Packing Process, no, end>
+<Rail Transport Coordination, yes, Demand Forecasting Integration>
+<Supply Chain Visibility, no, Packing Process>
+<start, connectedTo, Ocean Freight Management>
diff --git a/test/mermaid/easy/mermaid_250.txt b/test/mermaid/easy/mermaid_250.txt
new file mode 100644
index 0000000000000000000000000000000000000000..679f1363db06b378dbef092cfd9fec55951a2ac2
--- /dev/null
+++ b/test/mermaid/easy/mermaid_250.txt
@@ -0,0 +1,8 @@
+<Child Nutrition, improves, end>
+<Food Preparation Guidance, connectedTo, Maternal Nutrition>
+<Gut Microbiome Health, connectedTo, Food Preparation Guidance>
+<Inflammation and Diet, researches, Child Nutrition>
+<Inflammation and Diet, tests, Meal Planning>
+<Maternal Nutrition, connectedTo, Inflammation and Diet>
+<Meal Planning, supports, Child Nutrition>
+<start, sources, Gut Microbiome Health>
diff --git a/test/mermaid/easy/mermaid_251.mmd b/test/mermaid/easy/mermaid_251.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..71e842fbe6bc114d9d563cf5493cf31311be6ca3
--- /dev/null
+++ b/test/mermaid/easy/mermaid_251.mmd
@@ -0,0 +1,42 @@
+graph RL
+    N0([Food Label Interpretation])
+    N1(Personalized Nutrition Plans)
+    N2[(Food Safety Education)]
+    N3[/Micronutrient Analysis/]
+    N4{Food Fortification Strategies}
+    N5[Child Nutrition]
+    N6(Public Health Nutrition Programs)
+    N7([Restaurant Menu Analysis])
+    N8{Sports Nutrition}
+    N9([Grocery Shopping Guidance])
+    N0 -.-> N1
+    N1 --> |optimizes| N2
+    N2 -.-> N3
+    N3 -.-> |balances| N4
+    N4 --> |develops| N5
+    N5 --> |filters| N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N4 --> N7
+    style N0 fill:#DFE7EB,stroke:#B0C5CD
+    style N1 fill:#C2E8E6,stroke:#61CAC3
+    style N2 fill:#DFE7EB,stroke:#B0C5CD
+    style N3 fill:#C2E8E6,stroke:#61CAC3
+    style N4 fill:#C2E8E6,stroke:#61CAC3
+    style N5 fill:#DFE7EB,stroke:#B0C5CD
+    style N6 fill:#DED7F0,stroke:#A188DB
+    style N7 fill:#DED7F0,stroke:#A188DB
+    style N8 fill:#DFE7EB,stroke:#B0C5CD
+    style N9 fill:#C2E8E6,stroke:#61CAC3
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#61CAC3,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:#61CAC3,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:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#A188DB,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_252.mmd b/test/mermaid/easy/mermaid_252.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e4ecb58e31ee4e77300af325abf490dc9d621813
--- /dev/null
+++ b/test/mermaid/easy/mermaid_252.mmd
@@ -0,0 +1,48 @@
+graph LR
+    N0([start])
+    N1(Grocery Shopping Guidance)
+    N2(Food Fortification Strategies)
+    N3[Recipe Adaptation]
+    N4(Inflammation and Diet)
+    N5[Micronutrient Analysis]
+    N6([Food Preparation Guidance])
+    N7(Dietary Software Usage)
+    N8[(Body Composition Analysis)]
+    N9[/Food Allergy Management/]
+    N10([end])
+    N0 --> N1
+    N1 --> |tracks| N2
+    N2 -.-> N3
+    N3 --> |calculates| N4
+    N4 -.-> N5
+    N5 --> |promotes| N6
+    N6 -.-> |filters| N7
+    N7 --> |consults| N8
+    N8 -.-> N9
+    N9 --> N10
+    N5 --> N4
+    N4 --> N2
+    style N0 fill:#C9EFEC,stroke:#6FE1D5
+    style N1 fill:#E6EE9C,stroke:#CDDC39
+    style N2 fill:#C9EFEC,stroke:#6FE1D5
+    style N3 fill:#F1F8E9,stroke:#81C784
+    style N4 fill:#E6EE9C,stroke:#CDDC39
+    style N5 fill:#C9EFEC,stroke:#6FE1D5
+    style N6 fill:#E6EE9C,stroke:#CDDC39
+    style N7 fill:#E6EE9C,stroke:#CDDC39
+    style N8 fill:#C9EFEC,stroke:#6FE1D5
+    style N9 fill:#C9EFEC,stroke:#6FE1D5
+    style N10 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:#CDDC39,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:#000000,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:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#CDDC39,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_252.txt b/test/mermaid/easy/mermaid_252.txt
new file mode 100644
index 0000000000000000000000000000000000000000..76b767f1fc78c006bd2285551c020120ed21e441
--- /dev/null
+++ b/test/mermaid/easy/mermaid_252.txt
@@ -0,0 +1,12 @@
+<Body Composition Analysis, connectedTo, Food Allergy Management>
+<Dietary Software Usage, consults, Body Composition Analysis>
+<Food Allergy Management, connectedTo, end>
+<Food Fortification Strategies, connectedTo, Recipe Adaptation>
+<Food Preparation Guidance, filters, Dietary Software Usage>
+<Grocery Shopping Guidance, tracks, Food Fortification Strategies>
+<Inflammation and Diet, connectedTo, Food Fortification Strategies>
+<Inflammation and Diet, connectedTo, Micronutrient Analysis>
+<Micronutrient Analysis, connectedTo, Inflammation and Diet>
+<Micronutrient Analysis, promotes, Food Preparation Guidance>
+<Recipe Adaptation, calculates, Inflammation and Diet>
+<start, connectedTo, Grocery Shopping Guidance>
diff --git a/test/mermaid/easy/mermaid_253.mmd b/test/mermaid/easy/mermaid_253.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..29bf5ed875bdc4220c305f2b2344c24a1d474e03
--- /dev/null
+++ b/test/mermaid/easy/mermaid_253.mmd
@@ -0,0 +1,46 @@
+graph BT
+    N0([Nutrition for Fitness])
+    N1[Hydration for Exercise]
+    N2([Cross_Training])
+    N3(Sports_Specific Training)
+    N4(Wearable Fitness Devices)
+    N5(Group Fitness Classes)
+    N6(Youth Fitness Programs)
+    N7{Fitness Equipment Maintenance}
+    N8[[Senior Fitness Programs]]
+    N9[Pilates Instruction]
+    N10([end])
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> |trains| N3
+    N3 -.-> N4
+    N4 -.-> |improves| N5
+    N5 --> N6
+    N6 --> |distributes| N7
+    N7 -.-> |gamifies| N8
+    N8 -.-> |recovers| N9
+    N9 --> N10
+    N10 --> N6
+    style N0 fill:#E9F7E8,stroke:#6EB76D
+    style N1 fill:#E9F7E8,stroke:#6EB76D
+    style N2 fill:#FFE0B2,stroke:#FF9800
+    style N3 fill:#E9F7E8,stroke:#6EB76D
+    style N4 fill:#FFE0B2,stroke:#FF9800
+    style N5 fill:#E9F7E8,stroke:#6EB76D
+    style N6 fill:#FFE0B2,stroke:#FF9800
+    style N7 fill:#FFE0B2,stroke:#FF9800
+    style N8 fill:#E9F7E8,stroke:#6EB76D
+    style N9 fill:#E9F7E8,stroke:#6EB76D
+    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:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#6EB76D,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FF9800,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:#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/easy/mermaid_253.txt b/test/mermaid/easy/mermaid_253.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7e024941e87a729775238532f6f406bdc71ab272
--- /dev/null
+++ b/test/mermaid/easy/mermaid_253.txt
@@ -0,0 +1,11 @@
+<Cross_Training, trains, Sports_Specific Training>
+<Fitness Equipment Maintenance, gamifies, Senior Fitness Programs>
+<Group Fitness Classes, connectedTo, Youth Fitness Programs>
+<Hydration for Exercise, connectedTo, Cross_Training>
+<Nutrition for Fitness, connectedTo, Hydration for Exercise>
+<Pilates Instruction, connectedTo, end>
+<Senior Fitness Programs, recovers, Pilates Instruction>
+<Sports_Specific Training, connectedTo, Wearable Fitness Devices>
+<Wearable Fitness Devices, improves, Group Fitness Classes>
+<Youth Fitness Programs, distributes, Fitness Equipment Maintenance>
+<end, connectedTo, Youth Fitness Programs>
diff --git a/test/mermaid/easy/mermaid_256.txt b/test/mermaid/easy/mermaid_256.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8d1d3928d3189accc358b6a86dceca7808f7dfee
--- /dev/null
+++ b/test/mermaid/easy/mermaid_256.txt
@@ -0,0 +1,11 @@
+<Alternative Therapies, connectedTo, Community Wellness Programs>
+<Breathwork Exercises, connectedTo, Meditation Coaching>
+<Burnout Prevention, meditates, Meditation Coaching>
+<Burnout Prevention, monitors, Breathwork Exercises>
+<Community Wellness Programs, connects, Work_Life Balance Coaching>
+<Financial Wellness Planning, assesses, Alternative Therapies>
+<Meditation Coaching, plans, Financial Wellness Planning>
+<Personal Growth Planning, researches, Burnout Prevention>
+<Work_Life Balance Coaching, connectedTo, end>
+<start, connectedTo, Financial Wellness Planning>
+<start, connectedTo, Personal Growth Planning>
diff --git a/test/mermaid/easy/mermaid_257.mmd b/test/mermaid/easy/mermaid_257.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c052186fcbf1bc35dcc0c1a9c0970cbf59303967
--- /dev/null
+++ b/test/mermaid/easy/mermaid_257.mmd
@@ -0,0 +1,46 @@
+graph RL
+    N0([start])
+    N1[(Proactive Health Management)]
+    N2([Breathwork Exercises])
+    N3[Gratitude Practice]
+    N4[/Alternative Therapies/]
+    N5(Nutrition Guidance)
+    N6(Digital Detox)
+    N7(Environmental Wellness)
+    N8[Social Connection Enhancement]
+    N9(Aromatherapy Usage)
+    N10([Physical Activity Planning])
+    N0 --> |certifies| N1
+    N1 -.-> |researches| N2
+    N2 --> N3
+    N3 -.-> |advises| N4
+    N4 -.-> |educates| N5
+    N5 --> N6
+    N6 --> |motivates| N7
+    N7 --> |develops| N8
+    N8 --> |licenses| N9
+    N9 -.-> N10
+    N9 --> N4
+    style N0 fill:#D0EFEE,stroke:#73C6BC
+    style N1 fill:#D7CCC8,stroke:#795548
+    style N2 fill:#C9EFEC,stroke:#6FE1D5
+    style N3 fill:#D7CCC8,stroke:#795548
+    style N4 fill:#D7CCC8,stroke:#795548
+    style N5 fill:#D7CCC8,stroke:#795548
+    style N6 fill:#D7CCC8,stroke:#795548
+    style N7 fill:#D0EFEE,stroke:#73C6BC
+    style N8 fill:#C9EFEC,stroke:#6FE1D5
+    style N9 fill:#D0EFEE,stroke:#73C6BC
+    style N10 fill:#D7CCC8,stroke:#795548
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#6FE1D5,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:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#73C6BC,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:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#795548,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_26.txt b/test/mermaid/easy/mermaid_26.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d2e057d081f8a8943d6a792afe902762686b387f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_26.txt
@@ -0,0 +1,13 @@
+<Customs Clearance, distributes, Deconsolidation>
+<Damage Reporting, clears, Hazardous Material Transport>
+<Damage Reporting, coordinates, Freight Booking>
+<Deconsolidation, connectedTo, Hub Transfer>
+<Freight Booking, connectedTo, Supply Chain Visibility>
+<Hazardous Material Transport, weighs, Warehouse Entry>
+<Hub Transfer, packs, Damage Reporting>
+<Hub Transfer, syncs, Hazardous Material Transport>
+<Ocean Freight Management, connectedTo, Carrier Selection>
+<Sorting Center, connectedTo, Ocean Freight Management>
+<Supply Chain Visibility, connectedTo, Hazardous Material Transport>
+<Warehouse Entry, stacks, Sorting Center>
+<start, expedites, Customs Clearance>
diff --git a/test/mermaid/easy/mermaid_260.mmd b/test/mermaid/easy/mermaid_260.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..4155e0f5c7eaa9cac7aaa63f685c2ccb86094b81
--- /dev/null
+++ b/test/mermaid/easy/mermaid_260.mmd
@@ -0,0 +1,29 @@
+graph LR
+    N0([start])
+    N1[/Bathroom Design/]
+    N2([Residential Interior Design])
+    N3(Furniture Selection)
+    N4[(Smart Home Technology Integration)]
+    N5[(Kitchen Design)]
+    N6[(Feng Shui Consultation)]
+    N7[(Hospitality Interior Design)]
+    N8([end])
+    N0 --> |yes| N1
+    N1 --> |yes| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> |yes| N6
+    N6 -.-> N7
+    N7 -.-> |no| N8
+    N4 -.-> |no| 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:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#7E57C2,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:#7E57C2,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_260.txt b/test/mermaid/easy/mermaid_260.txt
new file mode 100644
index 0000000000000000000000000000000000000000..90eb5b7c87e42355ac347b956a472dfb1c55a246
--- /dev/null
+++ b/test/mermaid/easy/mermaid_260.txt
@@ -0,0 +1,9 @@
+<Bathroom Design, yes, Residential Interior Design>
+<Feng Shui Consultation, connectedTo, Hospitality Interior Design>
+<Furniture Selection, connectedTo, Smart Home Technology Integration>
+<Hospitality Interior Design, no, end>
+<Kitchen Design, yes, Feng Shui Consultation>
+<Residential Interior Design, connectedTo, Furniture Selection>
+<Smart Home Technology Integration, connectedTo, Kitchen Design>
+<Smart Home Technology Integration, no, Furniture Selection>
+<start, yes, Bathroom Design>
diff --git a/test/mermaid/easy/mermaid_261.mmd b/test/mermaid/easy/mermaid_261.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..7ce8e3684321166dfe3b29605330bda7643f475b
--- /dev/null
+++ b/test/mermaid/easy/mermaid_261.mmd
@@ -0,0 +1,34 @@
+graph TD
+    N0([start])
+    N1(Flooring Specification)
+    N2[(Custom Furniture Design)]
+    N3[[Construction Documentation]]
+    N4(Space Planning)
+    N5{Kitchen Design}
+    N6[[Building Code Compliance]]
+    N7{Hospitality Interior Design}
+    N8([Art and Accessory Curation])
+    N9([end])
+    N0 -.-> N1
+    N1 --> |yes| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> |yes| N6
+    N6 --> N7
+    N7 -.-> |yes| N8
+    N8 --> |yes| N9
+    N2 -.-> N7
+    N6 --> |no| N0
+    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:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#9FA9E1,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:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#80DDEA,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_263.txt b/test/mermaid/easy/mermaid_263.txt
new file mode 100644
index 0000000000000000000000000000000000000000..24c3d0fd8707a003f1985d84a9c8d8ac68ba8073
--- /dev/null
+++ b/test/mermaid/easy/mermaid_263.txt
@@ -0,0 +1,12 @@
+<Customer Support Translation, customizes, Tone Recognition>
+<Live Event Translation, optimizes, Sentiment Analysis in Translation>
+<Low_Latency Processing, sells, Meeting Translation Systems>
+<Meeting Translation Systems, recognizes, Noise Reduction for Speech Input>
+<Noise Reduction for Speech Input, analyzes, end>
+<Sentiment Analysis in Translation, connectedTo, Low_Latency Processing>
+<Statistical Machine Translation, connectedTo, Live Event Translation>
+<Technical Manual Translation, translates, Statistical Machine Translation>
+<Tone Recognition, converts, Voice Biometrics>
+<Voice Biometrics, connectedTo, Customer Support Translation>
+<Voice Biometrics, connectedTo, Technical Manual Translation>
+<end, connectedTo, Tone Recognition>
diff --git a/test/mermaid/easy/mermaid_265.mmd b/test/mermaid/easy/mermaid_265.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..39b9eb0ed73d310acb96df443783c3be9485f55b
--- /dev/null
+++ b/test/mermaid/easy/mermaid_265.mmd
@@ -0,0 +1,34 @@
+graph TD
+    N0([start])
+    N1(Sensor Integration)
+    N2[[Drone Regulations Compliance]]
+    N3([Drone Delivery Logistics])
+    N4(Inspection)
+    N5[Autonomous Flight]
+    N6[(Mapping and Surveying)]
+    N7([Collision Avoidance Systems])
+    N0 --> N1
+    N1 -.-> |gathers| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> |simulates| N5
+    N5 -.-> |processes| N6
+    N6 --> |controls| N7
+    N2 -.-> N7
+    style N0 fill:#F1F8FF,stroke:#42A5F5
+    style N1 fill:#F1F8FF,stroke:#42A5F5
+    style N2 fill:#EDE7F6,stroke:#9575CD
+    style N3 fill:#EDE7F6,stroke:#9575CD
+    style N4 fill:#EDE7F6,stroke:#9575CD
+    style N5 fill:#CFD8DC,stroke:#607D8B
+    style N6 fill:#EDE7F6,stroke:#9575CD
+    style N7 fill:#F1F8FF,stroke:#42A5F5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#607D8B,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:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#9575CD,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_267.txt b/test/mermaid/easy/mermaid_267.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f851d5b71a3f7440009f8a89f835adf17477281e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_267.txt
@@ -0,0 +1,12 @@
+<AI for Drone Autonomy, connectedTo, Drone Design>
+<Airspace Management for Drones, simulates, end>
+<Communication Systems, connectedTo, Flight Control System>
+<Data Processing from Drones, connectedTo, Airspace Management for Drones>
+<Data Processing from Drones, receives, Propulsion System Development>
+<Drone Design, licenses, Security Surveillance>
+<Drone Maintenance, connectedTo, Data Processing from Drones>
+<Drone Regulations Compliance, delivers, Communication Systems>
+<Flight Control System, maps, Drone Maintenance>
+<Payload Integration, connectedTo, AI for Drone Autonomy>
+<Propulsion System Development, audits, Drone Regulations Compliance>
+<Security Surveillance, connectedTo, Propulsion System Development>
diff --git a/test/mermaid/easy/mermaid_268.mmd b/test/mermaid/easy/mermaid_268.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..dc0e8144916687d63573214a90e663232871cc80
--- /dev/null
+++ b/test/mermaid/easy/mermaid_268.mmd
@@ -0,0 +1,40 @@
+graph RL
+    N0([Lane Keeping Assist])
+    N1(Object Detection and Classification)
+    N2(Fail_Safe Systems)
+    N3(Map Data Management)
+    N4(Vehicle Diagnostics)
+    N5[[Insurance Models for AVs]]
+    N6[(Sensor Integration)]
+    N7[/Parking Assistance Systems/]
+    N8([end])
+    N0 --> |maps| N1
+    N1 --> |operates| N2
+    N2 -.-> N3
+    N3 -.-> |fuels| N4
+    N4 -.-> N5
+    N5 --> |senses| N6
+    N6 -.-> |transports| N7
+    N7 --> N8
+    N5 -.-> |protects| N3
+    N3 --> |responds| N2
+    style N0 fill:#E8F0EA,stroke:#92C79A
+    style N1 fill:#ECCFF5,stroke:#CD8FF2
+    style N2 fill:#E8F0EA,stroke:#92C79A
+    style N3 fill:#ECCFF5,stroke:#CD8FF2
+    style N4 fill:#FFE88D,stroke:#FFDA4E
+    style N5 fill:#E8F0EA,stroke:#92C79A
+    style N6 fill:#ECCFF5,stroke:#CD8FF2
+    style N7 fill:#E8F0EA,stroke:#92C79A
+    style N8 fill:#ECCFF5,stroke:#CD8FF2
+    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:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFDA4E,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:#92C79A,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:#92C79A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_268.txt b/test/mermaid/easy/mermaid_268.txt
new file mode 100644
index 0000000000000000000000000000000000000000..76c6491e89f252d8da83348181917863ec1022b2
--- /dev/null
+++ b/test/mermaid/easy/mermaid_268.txt
@@ -0,0 +1,10 @@
+<Fail_Safe Systems, connectedTo, Map Data Management>
+<Insurance Models for AVs, protects, Map Data Management>
+<Insurance Models for AVs, senses, Sensor Integration>
+<Lane Keeping Assist, maps, Object Detection and Classification>
+<Map Data Management, fuels, Vehicle Diagnostics>
+<Map Data Management, responds, Fail_Safe Systems>
+<Object Detection and Classification, operates, Fail_Safe Systems>
+<Parking Assistance Systems, connectedTo, end>
+<Sensor Integration, transports, Parking Assistance Systems>
+<Vehicle Diagnostics, connectedTo, Insurance Models for AVs>
diff --git a/test/mermaid/easy/mermaid_269.txt b/test/mermaid/easy/mermaid_269.txt
new file mode 100644
index 0000000000000000000000000000000000000000..21b82f12aa4bccd1cd115994e006197b8d1ea9c1
--- /dev/null
+++ b/test/mermaid/easy/mermaid_269.txt
@@ -0,0 +1,8 @@
+<Ethical Decision_Making, localizes, Public Acceptance and Trust>
+<Lane Keeping Assist, connectedTo, Vehicle Diagnostics>
+<Motion Control, connectedTo, Lane Keeping Assist>
+<Over_the_Air Updates, secures, Motion Control>
+<Public Acceptance and Trust, connectedTo, Simulation and Testing>
+<Simulation and Testing, warns, Redundancy in Sensors>
+<Vehicle Diagnostics, connectedTo, Ethical Decision_Making>
+<Vehicle Diagnostics, predicts, Redundancy in Sensors>
diff --git a/test/mermaid/easy/mermaid_27.mmd b/test/mermaid/easy/mermaid_27.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a0f097375931fd1655028faf269e251a29aa1e2f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_27.mmd
@@ -0,0 +1,29 @@
+graph RL
+    N0([start])
+    N1[Container Loading]
+    N2[Rail Transport Coordination]
+    N3[Sorting Center]
+    N4[[Warehouse Entry]]
+    N5[[Proof of Delivery]]
+    N6{Air Cargo Handling}
+    N7[Customs Declaration]
+    N8([end])
+    N0 --> N1
+    N1 -.-> |yes| N2
+    N2 --> |yes| N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> |yes| N6
+    N6 --> |yes| N7
+    N7 --> N8
+    N2 -.-> N8
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A2D0FF,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:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A2D0FF,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_27.txt b/test/mermaid/easy/mermaid_27.txt
new file mode 100644
index 0000000000000000000000000000000000000000..708897ba70e821f60199fa420ceb53a8d01ee3a7
--- /dev/null
+++ b/test/mermaid/easy/mermaid_27.txt
@@ -0,0 +1,9 @@
+<Air Cargo Handling, yes, Customs Declaration>
+<Container Loading, yes, Rail Transport Coordination>
+<Customs Declaration, connectedTo, end>
+<Proof of Delivery, yes, Air Cargo Handling>
+<Rail Transport Coordination, connectedTo, end>
+<Rail Transport Coordination, yes, Sorting Center>
+<Sorting Center, connectedTo, Warehouse Entry>
+<Warehouse Entry, connectedTo, Proof of Delivery>
+<start, connectedTo, Container Loading>
diff --git a/test/mermaid/easy/mermaid_271.txt b/test/mermaid/easy/mermaid_271.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1fe97192f3b1bbdb44c68a28652a4541befe7184
--- /dev/null
+++ b/test/mermaid/easy/mermaid_271.txt
@@ -0,0 +1,8 @@
+<Autonomous Shared Vehicles, connectedTo, Supply_Demand Balancing>
+<Fleet Management, connectedTo, Scooter_sharing Services>
+<Micro_mobility Management, connectedTo, Fleet Management>
+<Scooter_sharing Services, connectedTo, end>
+<Supply_Demand Balancing, routes, User Registration>
+<User Registration, accesses, Micro_mobility Management>
+<User Registration, registers, Supply_Demand Balancing>
+<start, connectedTo, Autonomous Shared Vehicles>
diff --git a/test/mermaid/easy/mermaid_274.mmd b/test/mermaid/easy/mermaid_274.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a1e82d6e87a98beb1a1b936509fc2803e96e376f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_274.mmd
@@ -0,0 +1,36 @@
+graph TD
+    N0([start])
+    N1(Automated Parking Garages)
+    N2[[IoT Sensors for Parking]]
+    N3[(Mobile Parking Apps)]
+    N4(Permit Management)
+    N5(Edge Computing for Parking Data)
+    N6{Cloud_based Parking Platforms}
+    N7([Barrier Gate Control])
+    N0 -.-> |pays| N1
+    N1 -.-> |optimizes| N2
+    N2 -.-> |guides| N3
+    N3 --> N4
+    N4 --> |predicts| N5
+    N5 --> N6
+    N6 -.-> N7
+    N2 --> |reserves| N6
+    N4 --> N3
+    style N0 fill:#E1BEE7,stroke:#9C27B0
+    style N1 fill:#FFFDE7,stroke:#FBC02D
+    style N2 fill:#FFFDE7,stroke:#FBC02D
+    style N3 fill:#E1BEE7,stroke:#9C27B0
+    style N4 fill:#F9FBE7,stroke:#DCE775
+    style N5 fill:#FFFDE7,stroke:#FBC02D
+    style N6 fill:#E1BEE7,stroke:#9C27B0
+    style N7 fill:#E1BEE7,stroke:#9C27B0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#9C27B0,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;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_274.txt b/test/mermaid/easy/mermaid_274.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0392187c8fc356c8c85d59ac4a83b3e45b0aff60
--- /dev/null
+++ b/test/mermaid/easy/mermaid_274.txt
@@ -0,0 +1,9 @@
+<Automated Parking Garages, optimizes, IoT Sensors for Parking>
+<Cloud_based Parking Platforms, connectedTo, Barrier Gate Control>
+<Edge Computing for Parking Data, connectedTo, Cloud_based Parking Platforms>
+<IoT Sensors for Parking, guides, Mobile Parking Apps>
+<IoT Sensors for Parking, reserves, Cloud_based Parking Platforms>
+<Mobile Parking Apps, connectedTo, Permit Management>
+<Permit Management, connectedTo, Mobile Parking Apps>
+<Permit Management, predicts, Edge Computing for Parking Data>
+<start, pays, Automated Parking Garages>
diff --git a/test/mermaid/easy/mermaid_276.txt b/test/mermaid/easy/mermaid_276.txt
new file mode 100644
index 0000000000000000000000000000000000000000..63a902c5da59ab208b4ef18546cf2c78cc226ca9
--- /dev/null
+++ b/test/mermaid/easy/mermaid_276.txt
@@ -0,0 +1,8 @@
+<Demand Forecasting, filters, Event Parking Management>
+<Event Parking Management, sells, Parking Guidance Systems>
+<Intelligent Traffic Management Interaction, connectedTo, Demand Forecasting>
+<Parking Guidance Systems, connectedTo, Smart City Integration for Parking>
+<Smart City Integration for Parking, forecasts, Space Detection>
+<Space Detection, complies, end>
+<start, connectedTo, Smart City Integration for Parking>
+<start, integrates, Intelligent Traffic Management Interaction>
diff --git a/test/mermaid/easy/mermaid_278.txt b/test/mermaid/easy/mermaid_278.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c6eb80c0e71db28c6f8a1ee891263b666aea93c9
--- /dev/null
+++ b/test/mermaid/easy/mermaid_278.txt
@@ -0,0 +1,13 @@
+<API Integration for Partners, connectedTo, Resale Market Integration>
+<Airline Ticketing, markets, Box Office Management>
+<Audience Segmentation, bundles, Order Confirmation>
+<Box Office Management, connectedTo, Refund Management>
+<Mobile Ticketing, publishes, API Integration for Partners>
+<Order Confirmation, analyzes, Mobile Ticketing>
+<Post_Event Feedback Collection, connectedTo, end>
+<Refund Management, connectedTo, Audience Segmentation>
+<Resale Market Integration, supports, Post_Event Feedback Collection>
+<Seat Mapping, connectedTo, Airline Ticketing>
+<Seat Mapping, connectedTo, Mobile Ticketing>
+<start, optimizes, Airline Ticketing>
+<start, promotes, Seat Mapping>
diff --git a/test/mermaid/easy/mermaid_279.mmd b/test/mermaid/easy/mermaid_279.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..cafb3213ce1a9e1a2c3b5bd06098169f0795c6a4
--- /dev/null
+++ b/test/mermaid/easy/mermaid_279.mmd
@@ -0,0 +1,44 @@
+graph LR
+    N0([start])
+    N1(Refund Management)
+    N2(Post_Event Feedback Collection)
+    N3([Personalized Ticket Offers])
+    N4[(Audience Segmentation)]
+    N5[[Waiting List Management]]
+    N6[[Biometric Ticketing]]
+    N7[(Ticket Delivery)]
+    N8[(Order Confirmation)]
+    N9([end])
+    N0 --> |upgrades| N1
+    N1 --> |monitors| N2
+    N2 -.-> |integrates| N3
+    N3 --> N4
+    N4 -.-> |develops| N5
+    N5 --> |optimizes| N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> N9
+    N0 -.-> |cancels| N8
+    N4 -.-> N9
+    style N0 fill:#F0F0F0,stroke:#D2D2D2
+    style N1 fill:#ECCFF5,stroke:#CD8FF2
+    style N2 fill:#F0F0F0,stroke:#D2D2D2
+    style N3 fill:#E0F2F1,stroke:#4DB6AC
+    style N4 fill:#F0F0F0,stroke:#D2D2D2
+    style N5 fill:#E0F2F1,stroke:#4DB6AC
+    style N6 fill:#ECCFF5,stroke:#CD8FF2
+    style N7 fill:#F0F0F0,stroke:#D2D2D2
+    style N8 fill:#F0F0F0,stroke:#D2D2D2
+    style N9 fill:#E0F2F1,stroke:#4DB6AC
+    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:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#D2D2D2,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:#D2D2D2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_28.mmd b/test/mermaid/easy/mermaid_28.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..eded1369a3b16e15d117db1e0b1dce30bba8fbfc
--- /dev/null
+++ b/test/mermaid/easy/mermaid_28.mmd
@@ -0,0 +1,38 @@
+graph BT
+    N0([IoT Device Connection])
+    N1[[Call Recording]]
+    N2[/SIM Registration/]
+    N3[/MMS Transmission/]
+    N4([Service Activation Request])
+    N5([Plan Renewal])
+    N6[Plan Suspension]
+    N7[Customer Relationship Management]
+    N8([end])
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> |troubleshoots| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> |licenses| N7
+    N7 --> |tops up| N8
+    N7 -.-> |controls| N5
+    style N0 fill:#FFECB3,stroke:#FFC107
+    style N1 fill:#FFECB3,stroke:#FFC107
+    style N2 fill:#E4E0DF,stroke:#BDAFA8
+    style N3 fill:#E4E0DF,stroke:#BDAFA8
+    style N4 fill:#E8F0FF,stroke:#A2D0FF
+    style N5 fill:#FFECB3,stroke:#FFC107
+    style N6 fill:#FFECB3,stroke:#FFC107
+    style N7 fill:#FFECB3,stroke:#FFC107
+    style N8 fill:#FFECB3,stroke:#FFC107
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#BDAFA8,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:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A2D0FF,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#BDAFA8,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_280.mmd b/test/mermaid/easy/mermaid_280.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5275594999b30d6029bddfefba484140d822230d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_280.mmd
@@ -0,0 +1,50 @@
+graph TD
+    N0([Election Official Training])
+    N1[Zero_Knowledge Proofs for Privacy]
+    N2{Voter Authentication}
+    N3[/Anonymous Credential Systems/]
+    N4(Direct Recording Electronic Systems)
+    N5([System Certification])
+    N6(Legal Framework Compliance)
+    N7{Cryptographic Security}
+    N8[Remote Voting Solutions]
+    N9[Ballot Creation]
+    N10(Blockchain for Voting)
+    N11([end])
+    N0 -.-> |educates| N1
+    N1 -.-> |monitors| N2
+    N2 -.-> |communicates| N3
+    N3 --> N4
+    N4 --> |detects| N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> |certifies| N10
+    N10 --> N11
+    N8 -.-> N0
+    style N0 fill:#DDCEDD,stroke:#AF56A6
+    style N1 fill:#DDCEDD,stroke:#AF56A6
+    style N2 fill:#B3E5FC,stroke:#03A9F4
+    style N3 fill:#DDCEDD,stroke:#AF56A6
+    style N4 fill:#DDCEDD,stroke:#AF56A6
+    style N5 fill:#DDCEDD,stroke:#AF56A6
+    style N6 fill:#E1BEE7,stroke:#9C27B0
+    style N7 fill:#DDCEDD,stroke:#AF56A6
+    style N8 fill:#E1BEE7,stroke:#9C27B0
+    style N9 fill:#E1BEE7,stroke:#9C27B0
+    style N10 fill:#DDCEDD,stroke:#AF56A6
+    style N11 fill:#E1BEE7,stroke:#9C27B0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#03A9F4,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:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#AF56A6,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:#03A9F4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_282.mmd b/test/mermaid/easy/mermaid_282.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..6ccbb6577e9fb383e55a8e3a5d8230cbd617c6a4
--- /dev/null
+++ b/test/mermaid/easy/mermaid_282.mmd
@@ -0,0 +1,46 @@
+graph RL
+    N0([Ballot Creation])
+    N1{Blockchain for Voting}
+    N2(Cybersecurity for Voting Systems)
+    N3([Post_Election Audits])
+    N4[Legal Framework Compliance]
+    N5([Zero_Knowledge Proofs for Privacy])
+    N6(Software Integrity Checks)
+    N7(Direct Recording Electronic Systems)
+    N8{Undue Influence Prevention}
+    N9[(Hardware Tamper Detection)]
+    N10([Penetration Testing])
+    N0 -.-> |stores| N1
+    N1 -.-> |tests| N2
+    N2 --> N3
+    N3 --> |facilitates| N4
+    N4 --> N5
+    N5 -.-> |alerts| N6
+    N6 --> |designs| N7
+    N7 --> |certifies| N8
+    N8 --> N9
+    N9 -.-> N10
+    N5 --> |registers| N7
+    style N0 fill:#D1C4E9,stroke:#673AB7
+    style N1 fill:#EDF5F3,stroke:#A1D7CD
+    style N2 fill:#D3F7F9,stroke:#80DDEA
+    style N3 fill:#D3F7F9,stroke:#80DDEA
+    style N4 fill:#EDF5F3,stroke:#A1D7CD
+    style N5 fill:#D1C4E9,stroke:#673AB7
+    style N6 fill:#EDF5F3,stroke:#A1D7CD
+    style N7 fill:#D1C4E9,stroke:#673AB7
+    style N8 fill:#D3F7F9,stroke:#80DDEA
+    style N9 fill:#D3F7F9,stroke:#80DDEA
+    style N10 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:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#80DDEA,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:#80DDEA,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_283.mmd b/test/mermaid/easy/mermaid_283.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e7fa077b70305a31cf1cabe61562f0a47632a589
--- /dev/null
+++ b/test/mermaid/easy/mermaid_283.mmd
@@ -0,0 +1,26 @@
+graph RL
+    N0([start])
+    N1[(Regulatory Impact Assessment)]
+    N2(Forecasting and Scenario Planning)
+    N3{Implementation Plan Development}
+    N4(Communication Strategy)
+    N5[Data Visualization for Policy]
+    N6[Option Generation]
+    N7([end])
+    N0 --> N1
+    N1 -.-> |no| N2
+    N2 --> N3
+    N3 -.-> |yes| N4
+    N4 --> |no| N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N3 -.-> |no| 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:#F06292,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AED581,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:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#AED581,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_283.txt b/test/mermaid/easy/mermaid_283.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f48f1d35ee85e68289b79f1d852e23a4f0b64a25
--- /dev/null
+++ b/test/mermaid/easy/mermaid_283.txt
@@ -0,0 +1,8 @@
+<Communication Strategy, no, Data Visualization for Policy>
+<Data Visualization for Policy, connectedTo, Option Generation>
+<Forecasting and Scenario Planning, connectedTo, Implementation Plan Development>
+<Implementation Plan Development, no, Data Visualization for Policy>
+<Implementation Plan Development, yes, Communication Strategy>
+<Option Generation, connectedTo, end>
+<Regulatory Impact Assessment, no, Forecasting and Scenario Planning>
+<start, connectedTo, Regulatory Impact Assessment>
diff --git a/test/mermaid/easy/mermaid_285.txt b/test/mermaid/easy/mermaid_285.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c2a26f39745e6cc72ac674c52c8c195c4e072ead
--- /dev/null
+++ b/test/mermaid/easy/mermaid_285.txt
@@ -0,0 +1,8 @@
+<Budgetary Implications, no, Presentation Skills>
+<Policy Simulation Models, connectedTo, Regulatory Impact Assessment>
+<Political Feasibility Assessment, no, Policy Simulation Models>
+<Presentation Skills, connectedTo, Political Feasibility Assessment>
+<Presentation Skills, yes, Budgetary Implications>
+<Qualitative Analysis, yes, Budgetary Implications>
+<Regulatory Impact Assessment, connectedTo, end>
+<start, connectedTo, Qualitative Analysis>
diff --git a/test/mermaid/easy/mermaid_287.mmd b/test/mermaid/easy/mermaid_287.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..8b3cc11c515f6b9018d62e8bd0a55b09388e2246
--- /dev/null
+++ b/test/mermaid/easy/mermaid_287.mmd
@@ -0,0 +1,34 @@
+graph RL
+    N0([Data Visualization for Research])
+    N1(Research Impact Assessment)
+    N2([Literature Review])
+    N3(Bias Mitigation)
+    N4[Reproducibility Studies]
+    N5(Data Analysis)
+    N6[(Funding Agency Reporting)]
+    N7([Academic Mentorship])
+    N0 --> N1
+    N1 --> |submits| N2
+    N2 -.-> |researches| N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> |assesses| N7
+    N6 --> |patents| N1
+    style N0 fill:#BBDEFB,stroke:#2196F3
+    style N1 fill:#BBDEFB,stroke:#2196F3
+    style N2 fill:#D1C4E9,stroke:#7E57C2
+    style N3 fill:#D1C4E9,stroke:#7E57C2
+    style N4 fill:#BBDEFB,stroke:#2196F3
+    style N5 fill:#D1C4E9,stroke:#7E57C2
+    style N6 fill:#D1C4E9,stroke:#7E57C2
+    style N7 fill:#D1C4E9,stroke:#7E57C2
+    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:#7E57C2,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:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E91E63,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_288.mmd b/test/mermaid/easy/mermaid_288.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b92adea87d21b9a383b1eaaa068c4cc2a15cc43c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_288.mmd
@@ -0,0 +1,29 @@
+graph BT
+    N0([start])
+    N1([Software for Statistical Analysis])
+    N2[(Journal Publication)]
+    N3[(Plagiarism Detection)]
+    N4([Experiment Design])
+    N5(Systematic Review)
+    N6[Funding Agency Reporting]
+    N7[Public Engagement with Research]
+    N8([end])
+    N0 --> |yes| N1
+    N1 -.-> |yes| N2
+    N2 -.-> |yes| N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> |yes| N7
+    N7 -.-> |no| N8
+    N4 --> N8
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#AABEC6,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/easy/mermaid_288.txt b/test/mermaid/easy/mermaid_288.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7208adab3894ecae52e8165edf5a478e3cce5179
--- /dev/null
+++ b/test/mermaid/easy/mermaid_288.txt
@@ -0,0 +1,9 @@
+<Experiment Design, connectedTo, Systematic Review>
+<Experiment Design, connectedTo, end>
+<Funding Agency Reporting, yes, Public Engagement with Research>
+<Journal Publication, yes, Plagiarism Detection>
+<Plagiarism Detection, connectedTo, Experiment Design>
+<Public Engagement with Research, no, end>
+<Software for Statistical Analysis, yes, Journal Publication>
+<Systematic Review, connectedTo, Funding Agency Reporting>
+<start, yes, Software for Statistical Analysis>
diff --git a/test/mermaid/easy/mermaid_289.mmd b/test/mermaid/easy/mermaid_289.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..cf0608899c27fa7bbce7e24479195430cb985d61
--- /dev/null
+++ b/test/mermaid/easy/mermaid_289.mmd
@@ -0,0 +1,40 @@
+graph RL
+    N0([start])
+    N1{User Training on Systems}
+    N2[(System Upgrades)]
+    N3[Database Management]
+    N4(Serials Control)
+    N5[(Linked Data for Libraries)]
+    N6[[Metadata Creation]]
+    N7{Authority Control}
+    N8([Mobile App for Library])
+    N0 -.-> |updates| N1
+    N1 --> N2
+    N2 -.-> |searches| N3
+    N3 -.-> |protects| N4
+    N4 --> |plans| N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> |educates| N8
+    N8 -.-> N4
+    N7 --> |integrates| N0
+    style N0 fill:#F1F8FF,stroke:#42A5F5
+    style N1 fill:#F2E6F5,stroke:#CB9BE1
+    style N2 fill:#F1F8FF,stroke:#42A5F5
+    style N3 fill:#F1F8FF,stroke:#42A5F5
+    style N4 fill:#FBE9E7,stroke:#FF8A65
+    style N5 fill:#FBE9E7,stroke:#FF8A65
+    style N6 fill:#F2E6F5,stroke:#CB9BE1
+    style N7 fill:#FBE9E7,stroke:#FF8A65
+    style N8 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:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FF8A65,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:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#CB9BE1,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_290.txt b/test/mermaid/easy/mermaid_290.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c20a10e71af90ea2e0759613678a957953154de6
--- /dev/null
+++ b/test/mermaid/easy/mermaid_290.txt
@@ -0,0 +1,12 @@
+<Digitization Projects, connectedTo, Library Website Management>
+<Electronic Resource Management, reports, Patron Services>
+<Library Website Management, trains, Preservation of Materials>
+<Metadata Creation, catalogs, Digitization Projects>
+<Open Access Repository Management, connectedTo, Metadata Creation>
+<Patron Services, preserves, Reporting and Analytics>
+<Preservation of Materials, connectedTo, Electronic Resource Management>
+<Preservation of Materials, connectedTo, Subject Indexing>
+<Reporting and Analytics, circulates, Subject Indexing>
+<Self_Checkout Kiosks, fines, end>
+<Subject Indexing, connectedTo, Patron Services>
+<Subject Indexing, retrieves, Self_Checkout Kiosks>
diff --git a/test/mermaid/easy/mermaid_291.mmd b/test/mermaid/easy/mermaid_291.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a936c340d12be4d4b851b17e307223147bd2f441
--- /dev/null
+++ b/test/mermaid/easy/mermaid_291.mmd
@@ -0,0 +1,34 @@
+graph TD
+    N0([Serials Control])
+    N1(Discovery Layers)
+    N2[Technical Support for Systems]
+    N3[[System Upgrades]]
+    N4(RFID System Implementation)
+    N5{Self_Checkout Kiosks}
+    N6[/Search Functionality/]
+    N7([Federated Search])
+    N0 -.-> N1
+    N1 --> |integrates| N2
+    N2 --> |manages| N3
+    N3 -.-> N4
+    N4 --> |lends| N5
+    N5 --> N6
+    N6 -.-> N7
+    N3 -.-> |indexes| N1
+    style N0 fill:#D1C4E9,stroke:#673AB7
+    style N1 fill:#D1C4E9,stroke:#7E57C2
+    style N2 fill:#D1C4E9,stroke:#673AB7
+    style N3 fill:#B2EBF2,stroke:#00BCD4
+    style N4 fill:#D1C4E9,stroke:#673AB7
+    style N5 fill:#D1C4E9,stroke:#7E57C2
+    style N6 fill:#B2EBF2,stroke:#00BCD4
+    style N7 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:#7E57C2,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:#7E57C2,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_291.txt b/test/mermaid/easy/mermaid_291.txt
new file mode 100644
index 0000000000000000000000000000000000000000..29ad8e8abc2a204f5dc05a68d01fb552dd94dc3d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_291.txt
@@ -0,0 +1,8 @@
+<Discovery Layers, integrates, Technical Support for Systems>
+<RFID System Implementation, lends, Self_Checkout Kiosks>
+<Search Functionality, connectedTo, Federated Search>
+<Self_Checkout Kiosks, connectedTo, Search Functionality>
+<Serials Control, connectedTo, Discovery Layers>
+<System Upgrades, connectedTo, RFID System Implementation>
+<System Upgrades, indexes, Discovery Layers>
+<Technical Support for Systems, manages, System Upgrades>
diff --git a/test/mermaid/easy/mermaid_294.mmd b/test/mermaid/easy/mermaid_294.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..fb99b516b830b295208983dd1316cc22fec45522
--- /dev/null
+++ b/test/mermaid/easy/mermaid_294.mmd
@@ -0,0 +1,42 @@
+graph LR
+    N0([Conservation Treatment])
+    N1(Ethical Use of Archival Materials)
+    N2(Access and Reference Services)
+    N3[(Appraisal and Selection)]
+    N4{Public Access Systems}
+    N5[/Collection Management Policy/]
+    N6(Intellectual Property Rights Management)
+    N7[(Exhibition Curation)]
+    N8[[Long_Term Digital Preservation]]
+    N9([Outreach and Education])
+    N0 -.-> |references| N1
+    N1 --> |implements| N2
+    N2 -.-> |educates| N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> |authenticates| N9
+    N2 --> |appraises| N8
+    style N0 fill:#FBE9E7,stroke:#FF8A65
+    style N1 fill:#C8E6C9,stroke:#388E3C
+    style N2 fill:#C8E6C9,stroke:#388E3C
+    style N3 fill:#FBE9E7,stroke:#FF8A65
+    style N4 fill:#C8E6C9,stroke:#388E3C
+    style N5 fill:#C8E6C9,stroke:#388E3C
+    style N6 fill:#C8E6C9,stroke:#388E3C
+    style N7 fill:#EDE7F6,stroke:#9575CD
+    style N8 fill:#EDE7F6,stroke:#9575CD
+    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:#000000,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:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#9575CD,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;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_296.mmd b/test/mermaid/easy/mermaid_296.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..cbb585c47ffcca898191a143b5a27e8a807fb9bb
--- /dev/null
+++ b/test/mermaid/easy/mermaid_296.mmd
@@ -0,0 +1,38 @@
+graph RL
+    N0([RFID for Object Tracking])
+    N1(Digital Storytelling)
+    N2{Content Management Systems}
+    N3[(Multisensory Exhibits)]
+    N4(Interactive Display Development)
+    N5([Environmental Control Systems])
+    N6[Member Management Systems]
+    N7[Soundscape Design]
+    N8([Crowdsourcing for Collections])
+    N0 -.-> |informs| N1
+    N1 --> |robots| N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> |protects| N5
+    N5 -.-> |installs| N6
+    N6 --> N7
+    N7 -.-> N8
+    N4 -.-> N6
+    style N0 fill:#E0E6E9,stroke:#AABEC6
+    style N1 fill:#E0E6E9,stroke:#AABEC6
+    style N2 fill:#FBE9E7,stroke:#FF8A65
+    style N3 fill:#E0E6E9,stroke:#AABEC6
+    style N4 fill:#F5F5DC,stroke:#BCB88A
+    style N5 fill:#F5F5DC,stroke:#BCB88A
+    style N6 fill:#FBE9E7,stroke:#FF8A65
+    style N7 fill:#E0E6E9,stroke:#AABEC6
+    style N8 fill:#FBE9E7,stroke:#FF8A65
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AABEC6,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:#BCB88A,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:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_298.mmd b/test/mermaid/easy/mermaid_298.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..16734d5316071a454ae49620767fa928a971c6a2
--- /dev/null
+++ b/test/mermaid/easy/mermaid_298.mmd
@@ -0,0 +1,44 @@
+graph LR
+    N0([start])
+    N1(Ethical Decision_Making Frameworks)
+    N2[(Compliance Hotlines)]
+    N3[Ethical Leadership Development]
+    N4([Legal Advisory])
+    N5(Export Control Compliance)
+    N6[(Labor Law Compliance)]
+    N7(Anti_Bribery and Corruption Compliance)
+    N8[[Transparent Communication]]
+    N9([Monitoring and Enforcement])
+    N0 --> |responds| N1
+    N1 --> |transparency| N2
+    N2 --> N3
+    N3 -.-> |assesses| N4
+    N4 --> N5
+    N5 --> |prevents| N6
+    N6 --> |data| N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> |respects| N0
+    N5 -.-> N9
+    style N0 fill:#E0E6E9,stroke:#AABEC6
+    style N1 fill:#FFF3E0,stroke:#FFB74D
+    style N2 fill:#FFF3E0,stroke:#FFB74D
+    style N3 fill:#FFF3E0,stroke:#FFB74D
+    style N4 fill:#E0E6E9,stroke:#AABEC6
+    style N5 fill:#FFF3E0,stroke:#FFB74D
+    style N6 fill:#F0F4C3,stroke:#AED581
+    style N7 fill:#FFF3E0,stroke:#FFB74D
+    style N8 fill:#F0F4C3,stroke:#AED581
+    style N9 fill:#F0F4C3,stroke:#AED581
+    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:#AED581,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#AED581,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFB74D,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_298.txt b/test/mermaid/easy/mermaid_298.txt
new file mode 100644
index 0000000000000000000000000000000000000000..94807b113841e09fd150b9a84ae9c87d3646d458
--- /dev/null
+++ b/test/mermaid/easy/mermaid_298.txt
@@ -0,0 +1,11 @@
+<Anti_Bribery and Corruption Compliance, connectedTo, Transparent Communication>
+<Compliance Hotlines, connectedTo, Ethical Leadership Development>
+<Ethical Decision_Making Frameworks, transparency, Compliance Hotlines>
+<Ethical Leadership Development, assesses, Legal Advisory>
+<Export Control Compliance, connectedTo, Monitoring and Enforcement>
+<Export Control Compliance, prevents, Labor Law Compliance>
+<Labor Law Compliance, data, Anti_Bribery and Corruption Compliance>
+<Legal Advisory, connectedTo, Export Control Compliance>
+<Monitoring and Enforcement, respects, start>
+<Transparent Communication, connectedTo, Monitoring and Enforcement>
+<start, responds, Ethical Decision_Making Frameworks>
diff --git a/test/mermaid/easy/mermaid_299.mmd b/test/mermaid/easy/mermaid_299.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f82c9b114384222316b3bfdc1c621f1883d3f929
--- /dev/null
+++ b/test/mermaid/easy/mermaid_299.mmd
@@ -0,0 +1,50 @@
+graph LR
+    N0([start])
+    N1(Supplier Code of Conduct)
+    N2[[Transparent Communication]]
+    N3[Fair Competition Compliance]
+    N4([Legal Advisory])
+    N5[Ethics Committee Formation]
+    N6([Product Safety Compliance])
+    N7[Conflict of Interest Management]
+    N8{Incident Response Planning}
+    N9[Ethical AI Guidelines]
+    N10(Export Control Compliance)
+    N11([end])
+    N0 --> |respects| N1
+    N1 -.-> N2
+    N2 -.-> |protects| N3
+    N3 --> N4
+    N4 --> |counsels| N5
+    N5 -.-> |assesses| N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 --> |consults| N10
+    N10 --> |regulations| N11
+    N6 --> |advises| N9
+    style N0 fill:#FFFAE0,stroke:#FFE470
+    style N1 fill:#FFFCE6,stroke:#FFF9AE
+    style N2 fill:#EDF5F3,stroke:#A1D7CD
+    style N3 fill:#FFFAE0,stroke:#FFE470
+    style N4 fill:#FFFCE6,stroke:#FFF9AE
+    style N5 fill:#EDF5F3,stroke:#A1D7CD
+    style N6 fill:#EDF5F3,stroke:#A1D7CD
+    style N7 fill:#EDF5F3,stroke:#A1D7CD
+    style N8 fill:#FFFAE0,stroke:#FFE470
+    style N9 fill:#FFFAE0,stroke:#FFE470
+    style N10 fill:#FFFAE0,stroke:#FFE470
+    style N11 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:#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:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFE470,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_3.txt b/test/mermaid/easy/mermaid_3.txt
new file mode 100644
index 0000000000000000000000000000000000000000..633ca15410125e183487a3a9cf91e649114783e0
--- /dev/null
+++ b/test/mermaid/easy/mermaid_3.txt
@@ -0,0 +1,12 @@
+<Account Verification, connectedTo, Risk Assessment>
+<Approval Decision, forecasts, Account Verification>
+<Blockchain Verification, calculates, Investment Planning>
+<Blockchain Verification, connectedTo, end>
+<Collateral Evaluation, allocates, Mortgage Application>
+<Cryptocurrency Exchange, audits, Risk Assessment>
+<Cryptocurrency Exchange, loans, Collateral Evaluation>
+<Financial Advisory, connectedTo, Blockchain Verification>
+<Investment Planning, screens, Financial Advisory>
+<Mortgage Application, connectedTo, Investment Planning>
+<Risk Assessment, processes, Cryptocurrency Exchange>
+<Underwriting, flags, Approval Decision>
diff --git a/test/mermaid/easy/mermaid_30.mmd b/test/mermaid/easy/mermaid_30.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ff18142a6fc3a1aefbb9ecb8afdbf2d5c802373b
--- /dev/null
+++ b/test/mermaid/easy/mermaid_30.mmd
@@ -0,0 +1,34 @@
+graph RL
+    N0([Usage Monitoring])
+    N1[[Network Upgrade]]
+    N2{Service Complaint}
+    N3[(Bill Generation)]
+    N4[/Plan Renewal/]
+    N5[Number Porting]
+    N6[(Troubleshooting Guide)]
+    N7([end])
+    N0 --> |routes| N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> |connects| N4
+    N4 --> |manages| N5
+    N5 --> N6
+    N6 --> N7
+    N6 -.-> |authenticates| N2
+    style N0 fill:#FFFCE6,stroke:#FFF9AE
+    style N1 fill:#DFE7EB,stroke:#B0C5CD
+    style N2 fill:#DFE7EB,stroke:#B0C5CD
+    style N3 fill:#FBE9E7,stroke:#FF8A65
+    style N4 fill:#FFFCE6,stroke:#FFF9AE
+    style N5 fill:#FFFCE6,stroke:#FFF9AE
+    style N6 fill:#DFE7EB,stroke:#B0C5CD
+    style N7 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:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#B0C5CD,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:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FF8A65,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_300.txt b/test/mermaid/easy/mermaid_300.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2f667de1bcdfc7f5dca78b92f1f313444bc86f07
--- /dev/null
+++ b/test/mermaid/easy/mermaid_300.txt
@@ -0,0 +1,9 @@
+<Anti_Bribery and Corruption Compliance, connectedTo, end>
+<Data Ethics, yes, Anti_Bribery and Corruption Compliance>
+<Ethical AI Guidelines, no, Financial Regulations Compliance>
+<Financial Regulations Compliance, connectedTo, Risk Assessment>
+<Financial Regulations Compliance, no, Regulatory Interpretation>
+<Product Safety Compliance, no, Ethical AI Guidelines>
+<Regulatory Interpretation, connectedTo, Data Ethics>
+<Risk Assessment, connectedTo, Regulatory Interpretation>
+<start, no, Product Safety Compliance>
diff --git a/test/mermaid/easy/mermaid_301.mmd b/test/mermaid/easy/mermaid_301.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..bbe6f51f7ffe81a2b936fc72fa4e7030f12df2da
--- /dev/null
+++ b/test/mermaid/easy/mermaid_301.mmd
@@ -0,0 +1,48 @@
+graph TD
+    N0([start])
+    N1[[Legal Standards Compliance]]
+    N2[[Forensic Botany]]
+    N3(Fingerprint Analysis)
+    N4(Cloud Forensics)
+    N5(Data Recovery)
+    N6([Forensic Accounting])
+    N7(Digital Forensics)
+    N8(Voice Recognition)
+    N9[Vehicle Forensics]
+    N10([end])
+    N0 --> |expert_testifies| N1
+    N1 -.-> N2
+    N2 --> |compares| N3
+    N3 -.-> |trains| N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> |complies| N7
+    N7 -.-> |trace_evidence| N8
+    N8 -.-> |consults| N9
+    N9 -.-> N10
+    N1 -.-> N9
+    N3 -.-> N2
+    style N0 fill:#FCE4EC,stroke:#E91E63
+    style N1 fill:#FCE4EC,stroke:#E91E63
+    style N2 fill:#FCE4EC,stroke:#E91E63
+    style N3 fill:#FCE4EC,stroke:#E91E63
+    style N4 fill:#FCE4EC,stroke:#F06292
+    style N5 fill:#F5F5F5,stroke:#BDBDBD
+    style N6 fill:#FCE4EC,stroke:#F06292
+    style N7 fill:#F5F5F5,stroke:#BDBDBD
+    style N8 fill:#FCE4EC,stroke:#F06292
+    style N9 fill:#FCE4EC,stroke:#E91E63
+    style N10 fill:#FCE4EC,stroke:#E91E63
+    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:#000000,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#BDBDBD,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:#000000,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/easy/mermaid_301.txt b/test/mermaid/easy/mermaid_301.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ac25347eaa2c1b6ede47c96877201007a2e14d39
--- /dev/null
+++ b/test/mermaid/easy/mermaid_301.txt
@@ -0,0 +1,12 @@
+<Cloud Forensics, connectedTo, Data Recovery>
+<Data Recovery, connectedTo, Forensic Accounting>
+<Digital Forensics, trace_evidence, Voice Recognition>
+<Fingerprint Analysis, connectedTo, Forensic Botany>
+<Fingerprint Analysis, trains, Cloud Forensics>
+<Forensic Accounting, complies, Digital Forensics>
+<Forensic Botany, compares, Fingerprint Analysis>
+<Legal Standards Compliance, connectedTo, Forensic Botany>
+<Legal Standards Compliance, connectedTo, Vehicle Forensics>
+<Vehicle Forensics, connectedTo, end>
+<Voice Recognition, consults, Vehicle Forensics>
+<start, expert_testifies, Legal Standards Compliance>
diff --git a/test/mermaid/easy/mermaid_302.mmd b/test/mermaid/easy/mermaid_302.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..682e0920dc029bf331f0a94387810747390ea11f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_302.mmd
@@ -0,0 +1,29 @@
+graph RL
+    N0([start])
+    N1[Legal Standards Compliance]
+    N2[/Toxicology Testing/]
+    N3[Mobile Device Forensics]
+    N4[Forensic Pathology]
+    N5{Cold Case Review}
+    N6[(DNA Profiling)]
+    N7[/Document Examination/]
+    N8([end])
+    N0 --> N1
+    N1 -.-> |no| N2
+    N2 --> N3
+    N3 --> |yes| N4
+    N4 --> |yes| N5
+    N5 -.-> |yes| N6
+    N6 --> N7
+    N7 -.-> |no| N8
+    N3 -.-> |no| 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:#26A69A,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:#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:#26A69A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_303.mmd b/test/mermaid/easy/mermaid_303.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..14d5a2fa46001afc9aaea4d43808751e227b29ee
--- /dev/null
+++ b/test/mermaid/easy/mermaid_303.mmd
@@ -0,0 +1,32 @@
+graph BT
+    N0([start])
+    N1{Fingerprint Analysis}
+    N2[[Evidence Preservation]]
+    N3{Forensic Botany}
+    N4{Digital Forensics}
+    N5{Document Examination}
+    N6(Malware Analysis)
+    N7[Laboratory Analysis]
+    N8{Polygraph Examination}
+    N9([end])
+    N0 --> |yes| N1
+    N1 -.-> N2
+    N2 -.-> |no| N3
+    N3 -.-> |no| N4
+    N4 -.-> N5
+    N5 --> |yes| N6
+    N6 -.-> N7
+    N7 -.-> |yes| N8
+    N8 --> |yes| N9
+    N2 --> |no| N7
+    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:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#BA68C8,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#42A5F5,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_305.mmd b/test/mermaid/easy/mermaid_305.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a6486779182f58b2f18d26aab80cd9f3bf76a9fb
--- /dev/null
+++ b/test/mermaid/easy/mermaid_305.mmd
@@ -0,0 +1,34 @@
+graph TD
+    N0([start])
+    N1[Terrorism Financing Interdiction]
+    N2(Training Exercises)
+    N3([Information Sharing])
+    N4[[Transportation Security]]
+    N5[(Emergency Preparedness)]
+    N6{Post_Incident Recovery}
+    N7([Port Security])
+    N0 -.-> |partners_engages| N1
+    N1 --> N2
+    N2 -.-> |secures| N3
+    N3 --> |exercises_conducts| N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> N7
+    N3 -.-> |rescues_hostages| N7
+    style N0 fill:#FFF6D9,stroke:#FFCC7A
+    style N1 fill:#D1C4E9,stroke:#673AB7
+    style N2 fill:#D1C4E9,stroke:#673AB7
+    style N3 fill:#FFE0B2,stroke:#FF9800
+    style N4 fill:#FFF6D9,stroke:#FFCC7A
+    style N5 fill:#FFE0B2,stroke:#FF9800
+    style N6 fill:#D1C4E9,stroke:#673AB7
+    style N7 fill:#FFE0B2,stroke:#FF9800
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#673AB7,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:#FF9800,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;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_306.txt b/test/mermaid/easy/mermaid_306.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4a1b517af5212c0ce5dd8a3a6f01e8e221c8c26b
--- /dev/null
+++ b/test/mermaid/easy/mermaid_306.txt
@@ -0,0 +1,11 @@
+<Critical Infrastructure Protection, analyzes, Radicalization Prevention>
+<Critical Infrastructure Protection, connectedTo, Terrorism Financing Interdiction>
+<Early Warning Systems, mitigates, Psychological Operations>
+<Emergency Preparedness, monitors, Early Warning Systems>
+<International Cooperation, intelligence_gathers, Emergency Preparedness>
+<Psychological Operations, connectedTo, Radicalization Prevention>
+<Radicalization Prevention, border_controls, Surveillance and Monitoring>
+<Surveillance and Monitoring, trains, Critical Infrastructure Protection>
+<Terrorism Financing Interdiction, cyber_defends, end>
+<Threat Assessment, exercises_conducts, International Cooperation>
+<start, connectedTo, Threat Assessment>
diff --git a/test/mermaid/easy/mermaid_308.txt b/test/mermaid/easy/mermaid_308.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2715708156565aad573c16f82a0b5e13e6acdf2e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_308.txt
@@ -0,0 +1,8 @@
+<Behavioral Analytics, connectedTo, CCTV Monitoring>
+<Biometric Data Analysis, connectedTo, Intrusion Detection>
+<CCTV Monitoring, connectedTo, Behavioral Analytics>
+<CCTV Monitoring, observes, Pattern Recognition>
+<Industrial Surveillance, tracks, Behavioral Analytics>
+<Intrusion Detection, deploys, Industrial Surveillance>
+<Pattern Recognition, notifies, end>
+<Wildlife Tracking, retrieves, Biometric Data Analysis>
diff --git a/test/mermaid/easy/mermaid_31.mmd b/test/mermaid/easy/mermaid_31.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..05db6e0f328dd99b4355aef884a56c1b4656ca23
--- /dev/null
+++ b/test/mermaid/easy/mermaid_31.mmd
@@ -0,0 +1,44 @@
+graph TD
+    N0([Soil Testing])
+    N1[Packaging for Sale]
+    N2[[Drone Scouting]]
+    N3[Pest Spraying]
+    N4{Fertilizer Application}
+    N5{Produce Sorting}
+    N6([Fencing Installation])
+    N7[/Automated Milking/]
+    N8{Aquaculture Farming}
+    N9([end])
+    N0 -.-> |sensors| N1
+    N1 -.-> N2
+    N2 -.-> |waters| N3
+    N3 -.-> |transports| N4
+    N4 -.-> N5
+    N5 --> |certifies| N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N3 -.-> N7
+    N1 -.-> |tests| N0
+    style N0 fill:#FFE0B2,stroke:#FF9800
+    style N1 fill:#EBEBEB,stroke:#E0E0E0
+    style N2 fill:#F5F5F5,stroke:#BDBDBD
+    style N3 fill:#FFE0B2,stroke:#FF9800
+    style N4 fill:#F5F5F5,stroke:#BDBDBD
+    style N5 fill:#F5F5F5,stroke:#BDBDBD
+    style N6 fill:#F5F5F5,stroke:#BDBDBD
+    style N7 fill:#FFE0B2,stroke:#FF9800
+    style N8 fill:#F5F5F5,stroke:#BDBDBD
+    style N9 fill:#EBEBEB,stroke:#E0E0E0
+    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:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FF9800,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:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FF9800,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_312.txt b/test/mermaid/easy/mermaid_312.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b4360c914121c7f489f72890a549cd80d6d6e0d6
--- /dev/null
+++ b/test/mermaid/easy/mermaid_312.txt
@@ -0,0 +1,12 @@
+<Burglary Prevention, connectedTo, Environmental Design>
+<Crime Prevention Through Education, responds, Community Policing>
+<Crisis Intervention, connectedTo, School Safety Programs>
+<Cybercrime Prevention, programs_initiates, Neighborhood Watch Programs>
+<Data Sharing Initiatives, connectedTo, Crime Prevention Through Education>
+<Environmental Design, connectedTo, Vehicle Theft Prevention>
+<Identity Theft Prevention, connectedTo, Cybercrime Prevention>
+<Neighborhood Watch Programs, alerts, Data Sharing Initiatives>
+<School Safety Programs, audits, Crime Prevention Through Education>
+<School Safety Programs, predicts, Burglary Prevention>
+<Vehicle Theft Prevention, investigates, Identity Theft Prevention>
+<start, consults, Crisis Intervention>
diff --git a/test/mermaid/easy/mermaid_314.txt b/test/mermaid/easy/mermaid_314.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ea313d83d106ab96756eee2442be5a238c804809
--- /dev/null
+++ b/test/mermaid/easy/mermaid_314.txt
@@ -0,0 +1,11 @@
+<Captive Breeding Programs, yes, Carbon Sequestration in Habitats>
+<Carbon Sequestration in Habitats, connectedTo, Community Engagement>
+<Community Engagement, yes, Law Enforcement>
+<Ecosystem Services Valuation, connectedTo, Rewilding Initiatives>
+<Ecotourism Management, connectedTo, Sustainable Resource Management>
+<Law Enforcement, yes, Captive Breeding Programs>
+<Law Enforcement, yes, Ecosystem Services Valuation>
+<Rewilding Initiatives, yes, Ecotourism Management>
+<Satellite Tracking of Animals, yes, end>
+<Sustainable Resource Management, no, Satellite Tracking of Animals>
+<start, no, Captive Breeding Programs>
diff --git a/test/mermaid/easy/mermaid_316.txt b/test/mermaid/easy/mermaid_316.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4cfb603c84c0cd4f7ce5c262542ec1a4f4b6a3c7
--- /dev/null
+++ b/test/mermaid/easy/mermaid_316.txt
@@ -0,0 +1,8 @@
+<Marine Remote Sensing, connectedTo, Plastic Pollution Research>
+<Ocean Data Archiving, yes, Tsunami Prediction>
+<Ocean Floor Mapping, no, Marine Remote Sensing>
+<Ocean Modeling, no, end>
+<Plastic Pollution Research, connectedTo, Ocean Modeling>
+<Tsunami Prediction, connectedTo, Ocean Data Archiving>
+<Tsunami Prediction, connectedTo, Ocean Floor Mapping>
+<start, yes, Ocean Data Archiving>
diff --git a/test/mermaid/easy/mermaid_32.mmd b/test/mermaid/easy/mermaid_32.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..fb80db639b63f8e6831aef9f650fe5e6a497629e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_32.mmd
@@ -0,0 +1,52 @@
+graph LR
+    N0([start])
+    N1[Fertilizer Application]
+    N2{Aquaculture Farming}
+    N3[/Storage/]
+    N4[Agricultural Research]
+    N5[Crop Rotation Planning]
+    N6[Supply Chain to Retailers]
+    N7[[Barn Cleaning]]
+    N8([Water Level Measurement])
+    N9[[Forestry Management]]
+    N10{Irrigation Scheduling}
+    N11([Soil Nutrient Management])
+    N0 --> |automates| N1
+    N1 --> |conserves| N2
+    N2 -.-> |irrigates| N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> |tests| N6
+    N6 --> |sells| N7
+    N7 -.-> |licenses| N8
+    N8 --> N9
+    N9 -.-> |waters| N10
+    N10 --> |sensors| N11
+    N4 --> N11
+    N2 -.-> N8
+    style N0 fill:#FFFDE7,stroke:#FFF176
+    style N1 fill:#FFFDE7,stroke:#FFF176
+    style N2 fill:#E6EE9C,stroke:#CDDC39
+    style N3 fill:#E6EE9C,stroke:#CDDC39
+    style N4 fill:#FFFDE7,stroke:#FFF176
+    style N5 fill:#C9EFEC,stroke:#6FE1D5
+    style N6 fill:#C9EFEC,stroke:#6FE1D5
+    style N7 fill:#E6EE9C,stroke:#CDDC39
+    style N8 fill:#C9EFEC,stroke:#6FE1D5
+    style N9 fill:#FFFDE7,stroke:#FFF176
+    style N10 fill:#FFFDE7,stroke:#FFF176
+    style N11 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:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#6FE1D5,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:#6FE1D5,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:#FFF176,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_32.txt b/test/mermaid/easy/mermaid_32.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c630a2aaf280041ac2057decb75c9a2e3a64fbde
--- /dev/null
+++ b/test/mermaid/easy/mermaid_32.txt
@@ -0,0 +1,13 @@
+<Agricultural Research, connectedTo, Crop Rotation Planning>
+<Agricultural Research, connectedTo, Soil Nutrient Management>
+<Aquaculture Farming, connectedTo, Water Level Measurement>
+<Aquaculture Farming, irrigates, Storage>
+<Barn Cleaning, licenses, Water Level Measurement>
+<Crop Rotation Planning, tests, Supply Chain to Retailers>
+<Fertilizer Application, conserves, Aquaculture Farming>
+<Forestry Management, waters, Irrigation Scheduling>
+<Irrigation Scheduling, sensors, Soil Nutrient Management>
+<Storage, connectedTo, Agricultural Research>
+<Supply Chain to Retailers, sells, Barn Cleaning>
+<Water Level Measurement, connectedTo, Forestry Management>
+<start, automates, Fertilizer Application>
diff --git a/test/mermaid/easy/mermaid_320.mmd b/test/mermaid/easy/mermaid_320.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..fa7dc7cb48016383765ab3eeb9b4261af9990092
--- /dev/null
+++ b/test/mermaid/easy/mermaid_320.mmd
@@ -0,0 +1,46 @@
+graph BT
+    N0([start])
+    N1{Earth Structure Imaging}
+    N2[P_Wave or S_Wave Distinction]
+    N3{Seismic Array Deployment}
+    N4[/Earthquake Prediction Research/]
+    N5[Seismic Network Operations]
+    N6([Epicenter Location])
+    N7{Liquefaction Potential Assessment}
+    N8[Deep Earth Seismology]
+    N9[Seismic Risk Mitigation]
+    N10([end])
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> |designs_systems| N3
+    N3 -.-> N4
+    N4 --> |engineers| N5
+    N5 -.-> |fault_lines| N6
+    N6 --> |seismic_waves| N7
+    N7 --> N8
+    N8 --> |maintains_networks| N9
+    N9 --> N10
+    N6 --> |advises| N5
+    style N0 fill:#EFEBE9,stroke:#A1887F
+    style N1 fill:#E8EAF6,stroke:#7986CB
+    style N2 fill:#E8EAF6,stroke:#7986CB
+    style N3 fill:#E8EAF6,stroke:#7986CB
+    style N4 fill:#EFEBE9,stroke:#A1887F
+    style N5 fill:#E8EAF6,stroke:#7986CB
+    style N6 fill:#EFEBE9,stroke:#A1887F
+    style N7 fill:#E8EAF6,stroke:#7986CB
+    style N8 fill:#E8EAF6,stroke:#7986CB
+    style N9 fill:#C8E6C9,stroke:#388E3C
+    style N10 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:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A1887F,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:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#7986CB,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_321.txt b/test/mermaid/easy/mermaid_321.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7f443c09706f082796bb94485d9005ec2703c158
--- /dev/null
+++ b/test/mermaid/easy/mermaid_321.txt
@@ -0,0 +1,9 @@
+<Induced Seismicity Monitoring, connectedTo, Strong Motion Instrumentation>
+<Seismic Data Processing, processes, Volcanic Seismology>
+<Seismic Instrumentation Maintenance, connectedTo, Subsurface Imaging>
+<Strong Motion Instrumentation, connectedTo, Seismic Data Processing>
+<Subsurface Imaging, connectedTo, start>
+<Subsurface Imaging, international_cooperates, end>
+<Volcanic Seismology, data_collects, Seismic Instrumentation Maintenance>
+<end, connectedTo, Strong Motion Instrumentation>
+<start, visualizes, Induced Seismicity Monitoring>
diff --git a/test/mermaid/easy/mermaid_323.txt b/test/mermaid/easy/mermaid_323.txt
new file mode 100644
index 0000000000000000000000000000000000000000..36496594e8e702843b6a4a5b1a595fade7a18c8e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_323.txt
@@ -0,0 +1,9 @@
+<CRISPR Gene Drive Research, connectedTo, start>
+<CRISPR Gene Drive Research, yes, Population Genomics>
+<Functional Genomics, yes, end>
+<Genomic Editing, yes, Single_Cell Genomics>
+<Population Genomics, yes, Functional Genomics>
+<Single_Cell Genomics, connectedTo, Structural Genomics>
+<Structural Genomics, connectedTo, CRISPR Gene Drive Research>
+<end, connectedTo, Population Genomics>
+<start, no, Genomic Editing>
diff --git a/test/mermaid/easy/mermaid_324.txt b/test/mermaid/easy/mermaid_324.txt
new file mode 100644
index 0000000000000000000000000000000000000000..652a38018e1742f24d8d051edc7a460ddf786a08
--- /dev/null
+++ b/test/mermaid/easy/mermaid_324.txt
@@ -0,0 +1,9 @@
+<Data Privacy in Genomics, connectedTo, Methylation Analysis>
+<Gene Expression Profiling, connectedTo, Rare Disease Genomics>
+<Genomic Data Visualization, diagnoses, end>
+<Methylation Analysis, connectedTo, Genomic Data Visualization>
+<Personalized Medicine, therapies_develops, Pharmacogenomics>
+<Pharmacogenomics, connectedTo, Population Genomics>
+<Population Genomics, synthesizes, Gene Expression Profiling>
+<Rare Disease Genomics, commercializes, Data Privacy in Genomics>
+<end, connectedTo, Gene Expression Profiling>
diff --git a/test/mermaid/easy/mermaid_325.mmd b/test/mermaid/easy/mermaid_325.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..6a19781c111bdf5833066d16f8b0a6285064c506
--- /dev/null
+++ b/test/mermaid/easy/mermaid_325.mmd
@@ -0,0 +1,42 @@
+graph BT
+    N0([start])
+    N1[/Speaker Identification/]
+    N2{Children's Speech Recognition}
+    N3{Speech Analytics}
+    N4[(Speech Emotion Recognition)]
+    N5[Automatic Speech Recognition]
+    N6[/Medical Transcription/]
+    N7[Text_to_Speech Synthesis]
+    N8[[Call Center Automation]]
+    N9([Acoustic Modeling])
+    N0 --> |optimizes| N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> |commands| N4
+    N4 -.-> |tests| N5
+    N5 --> |dictates| N6
+    N6 --> |designs| N7
+    N7 -.-> N8
+    N8 --> |trains| N9
+    N6 --> N8
+    style N0 fill:#ECF0FD,stroke:#B8C0F5
+    style N1 fill:#ECF0FD,stroke:#B8C0F5
+    style N2 fill:#F5F5F5,stroke:#BDBDBD
+    style N3 fill:#F5F5F5,stroke:#BDBDBD
+    style N4 fill:#F5F5F5,stroke:#BDBDBD
+    style N5 fill:#F5F5F5,stroke:#BDBDBD
+    style N6 fill:#E0F7FA,stroke:#00BCD4
+    style N7 fill:#E0F7FA,stroke:#00BCD4
+    style N8 fill:#ECF0FD,stroke:#B8C0F5
+    style N9 fill:#ECF0FD,stroke:#B8C0F5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#B8C0F5,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:#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;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_325.txt b/test/mermaid/easy/mermaid_325.txt
new file mode 100644
index 0000000000000000000000000000000000000000..04c56ee3a7a0558f6a828b40e3ca3f43a615ef32
--- /dev/null
+++ b/test/mermaid/easy/mermaid_325.txt
@@ -0,0 +1,10 @@
+<Automatic Speech Recognition, dictates, Medical Transcription>
+<Call Center Automation, trains, Acoustic Modeling>
+<Children's Speech Recognition, connectedTo, Speech Analytics>
+<Medical Transcription, connectedTo, Call Center Automation>
+<Medical Transcription, designs, Text_to_Speech Synthesis>
+<Speaker Identification, connectedTo, Children's Speech Recognition>
+<Speech Analytics, commands, Speech Emotion Recognition>
+<Speech Emotion Recognition, tests, Automatic Speech Recognition>
+<Text_to_Speech Synthesis, connectedTo, Call Center Automation>
+<start, optimizes, Speaker Identification>
diff --git a/test/mermaid/easy/mermaid_326.mmd b/test/mermaid/easy/mermaid_326.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f7e395667d748e7ed8076ac942f7438e30897a85
--- /dev/null
+++ b/test/mermaid/easy/mermaid_326.mmd
@@ -0,0 +1,50 @@
+graph RL
+    N0([Speech Emotion Recognition])
+    N1[(Cross_Lingual Speech Recognition)]
+    N2{Children's Speech Recognition}
+    N3[[Voice Biometrics]]
+    N4[Robust Speech Recognition]
+    N5[Speech Data Annotation]
+    N6[[Meeting Transcription]]
+    N7(Accent Recognition)
+    N8(Noise Reduction)
+    N9[[Linguistic Analysis]]
+    N10[[Medical Transcription]]
+    N11([Call Center Automation])
+    N0 -.-> N1
+    N1 --> |monitors| N2
+    N2 --> N3
+    N3 --> |cleans| N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> |adapts| N8
+    N8 --> |interprets| N9
+    N9 --> N10
+    N10 -.-> |commands| N11
+    N5 -.-> |enhances| N1
+    style N0 fill:#FBE9E7,stroke:#FF8A65
+    style N1 fill:#FBE9E7,stroke:#FF8A65
+    style N2 fill:#EDE7F6,stroke:#9575CD
+    style N3 fill:#EDE7F6,stroke:#9575CD
+    style N4 fill:#FFDAB9,stroke:#FFC085
+    style N5 fill:#FFDAB9,stroke:#FFC085
+    style N6 fill:#EDE7F6,stroke:#9575CD
+    style N7 fill:#FBE9E7,stroke:#FF8A65
+    style N8 fill:#FFDAB9,stroke:#FFC085
+    style N9 fill:#FFDAB9,stroke:#FFC085
+    style N10 fill:#FFDAB9,stroke:#FFC085
+    style N11 fill:#EDE7F6,stroke:#9575CD
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FF8A65,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:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFC085,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_326.txt b/test/mermaid/easy/mermaid_326.txt
new file mode 100644
index 0000000000000000000000000000000000000000..726d9422bfb7e168d6c3ddb2986c772228843ff1
--- /dev/null
+++ b/test/mermaid/easy/mermaid_326.txt
@@ -0,0 +1,12 @@
+<Accent Recognition, adapts, Noise Reduction>
+<Children's Speech Recognition, connectedTo, Voice Biometrics>
+<Cross_Lingual Speech Recognition, monitors, Children's Speech Recognition>
+<Linguistic Analysis, connectedTo, Medical Transcription>
+<Medical Transcription, commands, Call Center Automation>
+<Meeting Transcription, connectedTo, Accent Recognition>
+<Noise Reduction, interprets, Linguistic Analysis>
+<Robust Speech Recognition, connectedTo, Speech Data Annotation>
+<Speech Data Annotation, connectedTo, Meeting Transcription>
+<Speech Data Annotation, enhances, Cross_Lingual Speech Recognition>
+<Speech Emotion Recognition, connectedTo, Cross_Lingual Speech Recognition>
+<Voice Biometrics, cleans, Robust Speech Recognition>
diff --git a/test/mermaid/easy/mermaid_328.mmd b/test/mermaid/easy/mermaid_328.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..04b594905bca12b7c5e2093ca07e2b8de995ff5a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_328.mmd
@@ -0,0 +1,32 @@
+graph LR
+    N0([start])
+    N1[Named Entity Recognition]
+    N2([Annotation Tools])
+    N3[Author Attribution]
+    N4[/Part_of_Speech Tagging/]
+    N5{Knowledge Graph Construction}
+    N6[Automated Content Tagging]
+    N7[[Legal Document Analysis]]
+    N8[(Concept Extraction)]
+    N9([end])
+    N0 -.-> |yes| N1
+    N1 -.-> |no| N2
+    N2 --> |yes| N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> |yes| N8
+    N8 -.-> N9
+    N3 -.-> N9
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFF176,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:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#BCB88A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_328.txt b/test/mermaid/easy/mermaid_328.txt
new file mode 100644
index 0000000000000000000000000000000000000000..718e673dd72bbebb45ca4fe6166b950d93a14a5f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_328.txt
@@ -0,0 +1,10 @@
+<Annotation Tools, yes, Author Attribution>
+<Author Attribution, connectedTo, Part_of_Speech Tagging>
+<Author Attribution, connectedTo, end>
+<Automated Content Tagging, connectedTo, Legal Document Analysis>
+<Concept Extraction, connectedTo, end>
+<Knowledge Graph Construction, connectedTo, Automated Content Tagging>
+<Legal Document Analysis, yes, Concept Extraction>
+<Named Entity Recognition, no, Annotation Tools>
+<Part_of_Speech Tagging, connectedTo, Knowledge Graph Construction>
+<start, yes, Named Entity Recognition>
diff --git a/test/mermaid/easy/mermaid_329.mmd b/test/mermaid/easy/mermaid_329.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ab81c8c0dcdbe93fd8d0ca227688a0b837d1f54c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_329.mmd
@@ -0,0 +1,52 @@
+graph BT
+    N0([Topic Modeling])
+    N1(Knowledge Graph Construction)
+    N2{Financial Text Analysis}
+    N3[Resume Parsing]
+    N4[[Sentiment Analysis]]
+    N5(Regular Expressions for Text)
+    N6(Customer Feedback Analysis)
+    N7{Document Summarization}
+    N8[(Deep Learning for NLP)]
+    N9[Text Clustering]
+    N10[Social Media Text Analysis]
+    N11([Natural Language Processing])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> |complies| N4
+    N4 -.-> |models| N5
+    N5 --> N6
+    N6 -.-> |secures| N7
+    N7 --> |reports| N8
+    N8 --> |transforms_data| N9
+    N9 -.-> |visualizes| N10
+    N10 --> |structures| N11
+    N11 --> |cleans_data| N0
+    N0 -.-> |predicts| N4
+    style N0 fill:#C5CAE9,stroke:#3F51B5
+    style N1 fill:#C5CAE9,stroke:#3F51B5
+    style N2 fill:#C8EDFF,stroke:#82DAFF
+    style N3 fill:#FFDAB9,stroke:#FFC085
+    style N4 fill:#C8EDFF,stroke:#82DAFF
+    style N5 fill:#FFDAB9,stroke:#FFC085
+    style N6 fill:#C5CAE9,stroke:#3F51B5
+    style N7 fill:#C8EDFF,stroke:#82DAFF
+    style N8 fill:#FFDAB9,stroke:#FFC085
+    style N9 fill:#C8EDFF,stroke:#82DAFF
+    style N10 fill:#FFDAB9,stroke:#FFC085
+    style N11 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:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#3F51B5,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:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#82DAFF,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_33.mmd b/test/mermaid/easy/mermaid_33.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ae12a258bd0f9354e28175a50dd8a01ea9f5bb48
--- /dev/null
+++ b/test/mermaid/easy/mermaid_33.mmd
@@ -0,0 +1,50 @@
+graph RL
+    N0([start])
+    N1(Disease Detection)
+    N2[Market Transportation]
+    N3[Automated Milking]
+    N4[Irrigation Scheduling]
+    N5([Organic Certification])
+    N6[[Yield Prediction]]
+    N7(Greenhouse Control)
+    N8{Crop Rotation Planning}
+    N9[/Equipment Repair/]
+    N10{Soil Testing}
+    N11([Farm Machinery Operation])
+    N0 --> |plants| N1
+    N1 -.-> |develops| N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> |tracks| N5
+    N5 --> N6
+    N6 --> |conserves| N7
+    N7 --> |researches| N8
+    N8 -.-> N9
+    N9 -.-> |waters| N10
+    N10 --> |harvests| N11
+    N6 -.-> |advises| N2
+    style N0 fill:#F8FDD3,stroke:#D3EB9F
+    style N1 fill:#FCE4EC,stroke:#F06292
+    style N2 fill:#F1F8E9,stroke:#388E3C
+    style N3 fill:#F1F8E9,stroke:#388E3C
+    style N4 fill:#F1F8E9,stroke:#388E3C
+    style N5 fill:#FCE4EC,stroke:#F06292
+    style N6 fill:#FCE4EC,stroke:#F06292
+    style N7 fill:#F8FDD3,stroke:#D3EB9F
+    style N8 fill:#F8FDD3,stroke:#D3EB9F
+    style N9 fill:#F8FDD3,stroke:#D3EB9F
+    style N10 fill:#F1F8E9,stroke:#388E3C
+    style N11 fill:#FCE4EC,stroke:#F06292
+    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:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#D3EB9F,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:#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_331.mmd b/test/mermaid/easy/mermaid_331.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1ca00f6676041993a6818a20cff2a1cbcb2a5cd5
--- /dev/null
+++ b/test/mermaid/easy/mermaid_331.mmd
@@ -0,0 +1,48 @@
+graph LR
+    N0([Model Creation])
+    N1[/Smart Manufacturing/]
+    N2[IoT Data Ingestion]
+    N3[/Asset Optimization/]
+    N4{Automotive Digital Twins}
+    N5(Risk Assessment)
+    N6(Maintenance Scheduling)
+    N7[Edge Computing for Twins]
+    N8[Interoperability Standards]
+    N9{Design Validation}
+    N10([Anomaly Detection])
+    N0 -.-> |risks_mitigates| N1
+    N1 -.-> |troubleshoots| N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> |predicts| N6
+    N6 -.-> |deploys| N7
+    N7 -.-> N8
+    N8 --> |scales| N9
+    N9 -.-> N10
+    N10 -.-> |blockchain_leverages| N9
+    N0 --> N6
+    style N0 fill:#F9FBE7,stroke:#DCE775
+    style N1 fill:#EFE6FF,stroke:#C2B2F0
+    style N2 fill:#F9FBE7,stroke:#DCE775
+    style N3 fill:#EFE6FF,stroke:#C2B2F0
+    style N4 fill:#F9FBE7,stroke:#DCE775
+    style N5 fill:#F9FBE7,stroke:#DCE775
+    style N6 fill:#E4E0DF,stroke:#BDAFA8
+    style N7 fill:#E4E0DF,stroke:#BDAFA8
+    style N8 fill:#E4E0DF,stroke:#BDAFA8
+    style N9 fill:#E4E0DF,stroke:#BDAFA8
+    style N10 fill:#F9FBE7,stroke:#DCE775
+    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:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#BDAFA8,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:#C2B2F0,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:#C2B2F0,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_334.mmd b/test/mermaid/easy/mermaid_334.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1cef68b43b228a5d91c81822844c1c34392375d2
--- /dev/null
+++ b/test/mermaid/easy/mermaid_334.mmd
@@ -0,0 +1,38 @@
+graph BT
+    N0([Low_Code or No_Code Automation])
+    N1[/Automation Opportunity Identification/]
+    N2[(Workflow Automation Platforms)]
+    N3(Data Entry Automation)
+    N4(Supply Chain Automation)
+    N5(Decision Automation)
+    N6[(Report Generation Automation)]
+    N7(IT Operations Automation)
+    N8([Error Handling in Automation])
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> |tasks_handles| N3
+    N3 --> N4
+    N4 --> |advises| N5
+    N5 --> |orchestrates| N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N5 --> |increases_efficiency| N3
+    style N0 fill:#FFF0CC,stroke:#FFCC80
+    style N1 fill:#FFF9D4,stroke:#FFE69C
+    style N2 fill:#FFF9D4,stroke:#FFE69C
+    style N3 fill:#FFF9D4,stroke:#FFE69C
+    style N4 fill:#FFF9D4,stroke:#FFE69C
+    style N5 fill:#FAEBF3,stroke:#F7BEE0
+    style N6 fill:#FFF9D4,stroke:#FFE69C
+    style N7 fill:#FAEBF3,stroke:#F7BEE0
+    style N8 fill:#FFF0CC,stroke:#FFCC80
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#F7BEE0,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:#FFE69C,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:#F7BEE0,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_335.txt b/test/mermaid/easy/mermaid_335.txt
new file mode 100644
index 0000000000000000000000000000000000000000..366c9b9665426581cc32e8d735427d6fef3c41f5
--- /dev/null
+++ b/test/mermaid/easy/mermaid_335.txt
@@ -0,0 +1,8 @@
+<Automated Testing, connectedTo, Hyperautomation>
+<Business Rule Engines, enhances_compliance, Task Automation>
+<Error Handling in Automation, advises, Process Mapping>
+<Error Handling in Automation, connectedTo, Hyperautomation>
+<Hyperautomation, accelerates_operations, Business Rule Engines>
+<IT Operations Automation, connectedTo, Error Handling in Automation>
+<Supply Chain Automation, scales_processes, IT Operations Automation>
+<Task Automation, trains, Supply Chain Automation>
diff --git a/test/mermaid/easy/mermaid_336.mmd b/test/mermaid/easy/mermaid_336.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..27f8d8aee21bbba68400added052887965132742
--- /dev/null
+++ b/test/mermaid/easy/mermaid_336.mmd
@@ -0,0 +1,38 @@
+graph RL
+    N0([Performance Monitoring of Bots])
+    N1{Optical Character Recognition for Automation}
+    N2[Data Entry Automation]
+    N3([Security for Automation Bots])
+    N4(Document Processing Automation)
+    N5{Supply Chain Automation}
+    N6[(Automated Testing)]
+    N7[Compliance in Automation]
+    N8([Natural Language Processing for Automation])
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> |scales_processes| N3
+    N3 -.-> |designs_workflows| N4
+    N4 --> |configures_rules| N5
+    N5 -.-> N6
+    N6 -.-> |integrates_systems| N7
+    N7 --> N8
+    N1 --> |errors_detects| N5
+    style N0 fill:#ECEFF1,stroke:#90A4AE
+    style N1 fill:#ECEFF1,stroke:#90A4AE
+    style N2 fill:#FFF9D4,stroke:#FFE69C
+    style N3 fill:#ECEFF1,stroke:#90A4AE
+    style N4 fill:#ECEFF1,stroke:#90A4AE
+    style N5 fill:#ECEFF1,stroke:#90A4AE
+    style N6 fill:#ECEFF1,stroke:#90A4AE
+    style N7 fill:#FFF9D4,stroke:#FFE69C
+    style N8 fill:#FFF9D4,stroke:#FFE69C
+    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:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFE69C,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:#FFE69C,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_338.txt b/test/mermaid/easy/mermaid_338.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ead0b1aeaad7a44b50c8a4cba35073ad5b28e0e4
--- /dev/null
+++ b/test/mermaid/easy/mermaid_338.txt
@@ -0,0 +1,9 @@
+<Calibration of Instruments, no, Continuous Improvement>
+<Calibration of Instruments, no, Software Quality Assurance>
+<Continuous Improvement, connectedTo, X_ray Inspection>
+<ISO Certification, yes, Calibration of Instruments>
+<Quality Management Systems, connectedTo, Regulatory Compliance for Quality>
+<Regulatory Compliance for Quality, connectedTo, Continuous Improvement>
+<Software Quality Assurance, no, Quality Management Systems>
+<X_ray Inspection, yes, end>
+<start, connectedTo, ISO Certification>
diff --git a/test/mermaid/easy/mermaid_34.mmd b/test/mermaid/easy/mermaid_34.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e77f92d1680a9408629bb7a293c01cb5c225e4fe
--- /dev/null
+++ b/test/mermaid/easy/mermaid_34.mmd
@@ -0,0 +1,46 @@
+graph BT
+    N0([start])
+    N1[Airport Transfer]
+    N2([Concert Ticketing])
+    N3[(Visa Application)]
+    N4[/Tourist Information Desk/]
+    N5{Travel Insurance}
+    N6[Itinerary Planning]
+    N7[(Flight Booking)]
+    N8{Custom Tour Package Creation}
+    N9([Souvenir Shopping])
+    N10([Loyalty Program Enrollment])
+    N0 --> |accommodates| N1
+    N1 --> N2
+    N2 --> |assigns| N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> |transports| N6
+    N6 -.-> |returns| N7
+    N7 --> |checks in| N8
+    N8 --> |exchanges| N9
+    N9 --> |protects| N10
+    N6 -.-> |regulates| N0
+    style N0 fill:#B3E5FC,stroke:#03A9F4
+    style N1 fill:#B3E5FC,stroke:#03A9F4
+    style N2 fill:#D0E0F8,stroke:#4285F4
+    style N3 fill:#B3E5FC,stroke:#03A9F4
+    style N4 fill:#B3E5FC,stroke:#03A9F4
+    style N5 fill:#B3E5FC,stroke:#03A9F4
+    style N6 fill:#D0E0F8,stroke:#4285F4
+    style N7 fill:#D0E0F8,stroke:#4285F4
+    style N8 fill:#D0E0F8,stroke:#4285F4
+    style N9 fill:#D0E0F8,stroke:#4285F4
+    style N10 fill:#B3E5FC,stroke:#03A9F4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4285F4,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#4285F4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_340.mmd b/test/mermaid/easy/mermaid_340.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..73505896ea9daa8b418a77fb81e5738b1c5dad81
--- /dev/null
+++ b/test/mermaid/easy/mermaid_340.mmd
@@ -0,0 +1,48 @@
+graph LR
+    N0([User Access Management])
+    N1[/Module Implementation/]
+    N2[[Customization]]
+    N3([Human Capital Management])
+    N4[(Post_Go_Live Support)]
+    N5(System Upgrade)
+    N6[(User Acceptance Testing)]
+    N7([Testing ERP Modules])
+    N8[/ERP System Selection/]
+    N9{Customer Relationship Management}
+    N10([end])
+    N0 -.-> N1
+    N1 --> |integrates| N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> |secures| N5
+    N5 --> |consults| N6
+    N6 --> N7
+    N7 --> |configures| N8
+    N8 --> |plans| N9
+    N9 --> N10
+    N5 --> N4
+    N10 --> N2
+    style N0 fill:#F0F0F0,stroke:#D2D2D2
+    style N1 fill:#F0F0F0,stroke:#D2D2D2
+    style N2 fill:#F0F0F0,stroke:#D2D2D2
+    style N3 fill:#F0F0F0,stroke:#D2D2D2
+    style N4 fill:#F0F0F0,stroke:#D2D2D2
+    style N5 fill:#D1C4E9,stroke:#673AB7
+    style N6 fill:#D1C4E9,stroke:#673AB7
+    style N7 fill:#F1F8E9,stroke:#388E3C
+    style N8 fill:#D1C4E9,stroke:#673AB7
+    style N9 fill:#F0F0F0,stroke:#D2D2D2
+    style N10 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:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#D2D2D2,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:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#388E3C,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_340.txt b/test/mermaid/easy/mermaid_340.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7861bf05d8573d6741162e7c15d070d0fe632b8d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_340.txt
@@ -0,0 +1,12 @@
+<Customer Relationship Management, connectedTo, end>
+<Customization, connectedTo, Human Capital Management>
+<ERP System Selection, plans, Customer Relationship Management>
+<Human Capital Management, connectedTo, Post_Go_Live Support>
+<Module Implementation, integrates, Customization>
+<Post_Go_Live Support, secures, System Upgrade>
+<System Upgrade, connectedTo, Post_Go_Live Support>
+<System Upgrade, consults, User Acceptance Testing>
+<Testing ERP Modules, configures, ERP System Selection>
+<User Acceptance Testing, connectedTo, Testing ERP Modules>
+<User Access Management, connectedTo, Module Implementation>
+<end, connectedTo, Customization>
diff --git a/test/mermaid/easy/mermaid_342.mmd b/test/mermaid/easy/mermaid_342.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..bcbeb6615b56a9e91699ba99e4a90c1abcddabdb
--- /dev/null
+++ b/test/mermaid/easy/mermaid_342.mmd
@@ -0,0 +1,52 @@
+graph TD
+    N0([start])
+    N1[[Sales and Distribution]]
+    N2[Workflow Automation in ERP]
+    N3[(Testing ERP Modules)]
+    N4[[Reporting and Analytics]]
+    N5[[Master Data Management]]
+    N6[(Supply Chain Management)]
+    N7{User Training}
+    N8[AI or ML in ERP]
+    N9[/Cloud ERP Deployment/]
+    N10{Inventory Management}
+    N11([Human Capital Management])
+    N0 --> |analytics_provides| N1
+    N1 --> |optimizes| N2
+    N2 -.-> N3
+    N3 --> |on_premise_hosts| N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> |consults| N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N1 --> |budgets| N8
+    N9 --> |implements| N8
+    style N0 fill:#FFCCBC,stroke:#FF5722
+    style N1 fill:#D3F7F9,stroke:#80DDEA
+    style N2 fill:#D3F7F9,stroke:#80DDEA
+    style N3 fill:#FFCCBC,stroke:#FF5722
+    style N4 fill:#D3F7F9,stroke:#80DDEA
+    style N5 fill:#FFCCBC,stroke:#FF5722
+    style N6 fill:#FFCCBC,stroke:#FF5722
+    style N7 fill:#D3F7F9,stroke:#80DDEA
+    style N8 fill:#FDFCEB,stroke:#EAEFA5
+    style N9 fill:#FDFCEB,stroke:#EAEFA5
+    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:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FF5722,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:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#80DDEA,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_342.txt b/test/mermaid/easy/mermaid_342.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2a056a0b43ca3a722182d5af346cc8be6aefc264
--- /dev/null
+++ b/test/mermaid/easy/mermaid_342.txt
@@ -0,0 +1,13 @@
+<AI or ML in ERP, connectedTo, Cloud ERP Deployment>
+<Cloud ERP Deployment, connectedTo, Inventory Management>
+<Cloud ERP Deployment, implements, AI or ML in ERP>
+<Inventory Management, connectedTo, Human Capital Management>
+<Master Data Management, connectedTo, Supply Chain Management>
+<Reporting and Analytics, connectedTo, Master Data Management>
+<Sales and Distribution, budgets, AI or ML in ERP>
+<Sales and Distribution, optimizes, Workflow Automation in ERP>
+<Supply Chain Management, connectedTo, User Training>
+<Testing ERP Modules, on_premise_hosts, Reporting and Analytics>
+<User Training, consults, AI or ML in ERP>
+<Workflow Automation in ERP, connectedTo, Testing ERP Modules>
+<start, analytics_provides, Sales and Distribution>
diff --git a/test/mermaid/easy/mermaid_344.mmd b/test/mermaid/easy/mermaid_344.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..51c98a498fc5a8b74df379273d0895d9649f29e0
--- /dev/null
+++ b/test/mermaid/easy/mermaid_344.mmd
@@ -0,0 +1,40 @@
+graph BT
+    N0([start])
+    N1[/Forestry Management with Digital Tools/]
+    N2[/Yield Mapping/]
+    N3{IoT in Agriculture}
+    N4([Variable Rate Application])
+    N5[[Crop Insurance Assessment]]
+    N6(Data Security in Agriculture)
+    N7([AI for Crop Disease Detection])
+    N8[Weather Station Data Integration]
+    N9[Sensor Deployment]
+    N10[Supply Chain Traceability]
+    N11([end])
+    N0 --> |yes| N1
+    N1 --> |no| N2
+    N2 -.-> |no| N3
+    N3 -.-> |yes| N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> |no| N7
+    N7 -.-> N8
+    N8 --> |yes| N9
+    N9 --> |no| N10
+    N10 -.-> |no| N11
+    N7 -.-> N4
+    N10 -.-> N9
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFC107,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:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFC107,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_346.mmd b/test/mermaid/easy/mermaid_346.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d1f692446955e8eb550ccda5e84edfdb72396f46
--- /dev/null
+++ b/test/mermaid/easy/mermaid_346.mmd
@@ -0,0 +1,50 @@
+graph RL
+    N0([Broadcast Technology for Esports])
+    N1(Gambling and Betting Regulation)
+    N2[Merchandise Sales]
+    N3[Legal Advisory for Esports]
+    N4[/Game Strategy Development/]
+    N5(Team Management)
+    N6[Game Publisher Relations]
+    N7[/Nutrition for Esports Athletes/]
+    N8(Rules and Regulations Enforcement)
+    N9[/Player Scouting/]
+    N10[Physical Conditioning for Players]
+    N11([Esports Team Ownership])
+    N0 --> |competes| N1
+    N1 --> |develops_games| N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> |partners| N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> |communities_fosters| N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 --> |contracts| N11
+    N11 -.-> N7
+    style N0 fill:#F0F0F0,stroke:#D2D2D2
+    style N1 fill:#E4E0DF,stroke:#BDAFA8
+    style N2 fill:#E4E0DF,stroke:#BDAFA8
+    style N3 fill:#F0F0F0,stroke:#D2D2D2
+    style N4 fill:#F0F0F0,stroke:#D2D2D2
+    style N5 fill:#F0F0F0,stroke:#D2D2D2
+    style N6 fill:#E4E0DF,stroke:#BDAFA8
+    style N7 fill:#FFF3E0,stroke:#FFA726
+    style N8 fill:#F0F0F0,stroke:#D2D2D2
+    style N9 fill:#E4E0DF,stroke:#BDAFA8
+    style N10 fill:#E4E0DF,stroke:#BDAFA8
+    style N11 fill:#F0F0F0,stroke:#D2D2D2
+    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:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFA726,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:#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:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_347.txt b/test/mermaid/easy/mermaid_347.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c654abce0efedf3f84a597f9cc5e863b05c71ce2
--- /dev/null
+++ b/test/mermaid/easy/mermaid_347.txt
@@ -0,0 +1,13 @@
+<Coaching Staff Management, rules_enforces, Player Scouting>
+<Fan Community Building, leagues_creates, League Management>
+<Game Publisher Relations, connectedTo, Network Infrastructure for Tournaments>
+<Game Server Management, advertises, Training Regimen>
+<Game Server Management, financial_advises, Player Wellness Programs>
+<Gaming Hardware Optimization, connectedTo, Player Wellness Programs>
+<League Management, streams, Sponsorship Acquisition>
+<Live Streaming Production, connectedTo, Training Regimen>
+<Network Infrastructure for Tournaments, strategies_develops, Live Streaming Production>
+<Player Scouting, connectedTo, Gaming Hardware Optimization>
+<Player Wellness Programs, connectedTo, Fan Community Building>
+<Sponsorship Acquisition, connectedTo, Game Publisher Relations>
+<Training Regimen, teams_forms, Game Server Management>
diff --git a/test/mermaid/easy/mermaid_348.mmd b/test/mermaid/easy/mermaid_348.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..fa91986eb639e1193d0f6271d5d1bc644f6a6be9
--- /dev/null
+++ b/test/mermaid/easy/mermaid_348.mmd
@@ -0,0 +1,35 @@
+graph TD
+    N0([start])
+    N1[[Player Scouting]]
+    N2[/Game Strategy Development/]
+    N3[[Talent Representation]]
+    N4(Ticketing Sales)
+    N5[Prize Pool Management]
+    N6[Tournament Organization]
+    N7[Brand Partnerships]
+    N8[Nutrition for Esports Athletes]
+    N9{Broadcast Technology for Esports}
+    N10([end])
+    N0 --> |yes| N1
+    N1 -.-> N2
+    N2 -.-> |no| N3
+    N3 --> |no| N4
+    N4 --> |no| N5
+    N5 -.-> |yes| N6
+    N6 --> N7
+    N7 -.-> |yes| N8
+    N8 --> |no| N9
+    N9 -.-> N10
+    N3 -.-> N2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFB74D,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:#FFB74D,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:#FFB2A5,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:#FFB74D,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_348.txt b/test/mermaid/easy/mermaid_348.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f334f4158605c45c35b4d70e3c8261b7bf7cb5db
--- /dev/null
+++ b/test/mermaid/easy/mermaid_348.txt
@@ -0,0 +1,11 @@
+<Brand Partnerships, yes, Nutrition for Esports Athletes>
+<Broadcast Technology for Esports, connectedTo, end>
+<Game Strategy Development, no, Talent Representation>
+<Nutrition for Esports Athletes, no, Broadcast Technology for Esports>
+<Player Scouting, connectedTo, Game Strategy Development>
+<Prize Pool Management, yes, Tournament Organization>
+<Talent Representation, connectedTo, Game Strategy Development>
+<Talent Representation, no, Ticketing Sales>
+<Ticketing Sales, no, Prize Pool Management>
+<Tournament Organization, connectedTo, Brand Partnerships>
+<start, yes, Player Scouting>
diff --git a/test/mermaid/easy/mermaid_35.mmd b/test/mermaid/easy/mermaid_35.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f020e7db31bbff959dc212d48404a854afe1ae5e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_35.mmd
@@ -0,0 +1,28 @@
+graph TD
+    N0([start])
+    N1[Historical Site Exploration]
+    N2(Flight Booking)
+    N3([Custom Tour Package Creation])
+    N4(Sightseeing Scheduling)
+    N5(Travel Blog Creation)
+    N6[(Tourist Information Desk)]
+    N7([end])
+    N0 -.-> N1
+    N1 --> |yes| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> |yes| N5
+    N5 -.-> |no| N6
+    N6 -.-> N7
+    N2 --> |no| N7
+    N5 --> |no| N7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A1887F,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A1887F,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:#FFD54F,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_352.txt b/test/mermaid/easy/mermaid_352.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b13b0c2a74bba48e291367286bbec0fe9139cb30
--- /dev/null
+++ b/test/mermaid/easy/mermaid_352.txt
@@ -0,0 +1,9 @@
+<Adaptive Reuse of Heritage Buildings, catalogs, Disaster Preparedness for Heritage>
+<Archival Management, connectedTo, Adaptive Reuse of Heritage Buildings>
+<Archival Management, connectedTo, Remote Sensing for Heritage>
+<Cultural Tourism Development, connectedTo, Adaptive Reuse of Heritage Buildings>
+<Disaster Preparedness for Heritage, accesses, end>
+<Remote Sensing for Heritage, restores, Traditional Knowledge Documentation>
+<Traditional Knowledge Documentation, connectedTo, Cultural Tourism Development>
+<end, digitizes, Cultural Tourism Development>
+<start, interprets, Archival Management>
diff --git a/test/mermaid/easy/mermaid_353.txt b/test/mermaid/easy/mermaid_353.txt
new file mode 100644
index 0000000000000000000000000000000000000000..699aba4601e30bdf2b6ec2e7933c7784fd416f16
--- /dev/null
+++ b/test/mermaid/easy/mermaid_353.txt
@@ -0,0 +1,13 @@
+<3D Scanning of Artifacts, connectedTo, Oral History Collection>
+<Exhibition Curation, analyzes_data, Climate Change Impact on Heritage>
+<Exhibition Curation, connectedTo, Indigenous Cultural Heritage Rights>
+<Heritage Site Management, 3D_scans, Climate Change Impact on Heritage>
+<Illicit Trafficking Control, restores, Sustainable Heritage Management>
+<Indigenous Cultural Heritage Rights, artifacts_excavates, Museum Collection Management>
+<Museum Collection Management, connectedTo, 3D Scanning of Artifacts>
+<Oral History Collection, intangible_heritage_safeguards, Underwater Cultural Heritage>
+<Repatriation of Artifacts, digital_reconstructs, Restoration Techniques>
+<Restoration Techniques, connectedTo, Illicit Trafficking Control>
+<Sustainable Heritage Management, connectedTo, Exhibition Curation>
+<Sustainable Heritage Management, narrates, Museum Collection Management>
+<Underwater Cultural Heritage, community_participates, Heritage Site Management>
diff --git a/test/mermaid/easy/mermaid_355.mmd b/test/mermaid/easy/mermaid_355.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..2f2884e0a9ccd811f6eb7c7300ea20c5593fc6f7
--- /dev/null
+++ b/test/mermaid/easy/mermaid_355.mmd
@@ -0,0 +1,28 @@
+graph TD
+    N0([start])
+    N1[[DNA Synthesis]]
+    N2[DNA Storage Technologies]
+    N3[/Drug Delivery Systems/]
+    N4[High_Throughput Screening]
+    N5([Novel Enzyme Creation])
+    N6[Sustainable Chemical Production]
+    N7([end])
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> |yes| N3
+    N3 -.-> |yes| N4
+    N4 --> N5
+    N5 -.-> |no| N6
+    N6 --> N7
+    N3 --> N5
+    N3 -.-> |no| 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:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#80DDEA,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;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_356.txt b/test/mermaid/easy/mermaid_356.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b851e81dcca3b86deb40538a7dfcd539ef2e24b2
--- /dev/null
+++ b/test/mermaid/easy/mermaid_356.txt
@@ -0,0 +1,11 @@
+<Biocontainment Strategies, connectedTo, Novel Enzyme Creation>
+<Biosensor Development, yes, Drug Delivery Systems>
+<Cell_Free Systems, no, end>
+<Drug Delivery Systems, no, High_Throughput Screening>
+<Drug Delivery Systems, yes, Microbial Factories>
+<Ethical Implications, no, Cell_Free Systems>
+<High_Throughput Screening, connectedTo, Biocontainment Strategies>
+<Microbial Factories, yes, Ethical Implications>
+<Novel Enzyme Creation, connectedTo, Microbial Factories>
+<end, connectedTo, Microbial Factories>
+<start, yes, Biosensor Development>
diff --git a/test/mermaid/easy/mermaid_357.mmd b/test/mermaid/easy/mermaid_357.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1d12c8befaa31ab09d628d8167a0f564adbf3453
--- /dev/null
+++ b/test/mermaid/easy/mermaid_357.mmd
@@ -0,0 +1,38 @@
+graph LR
+    N0([start])
+    N1(Cellular Reprogramming)
+    N2[Biosensor Development]
+    N3[Bio_manufacturing]
+    N4[(Microbial Factories)]
+    N5[(Biofoundry Operations)]
+    N6{Metabolic Pathway Engineering}
+    N7[/Synthetic Organism Design/]
+    N8(Gene Therapy Delivery Systems)
+    N9(Biosafety Level Management)
+    N10[Protein Design]
+    N11([end])
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> |yes| N5
+    N5 --> N6
+    N6 --> |no| N7
+    N7 -.-> |yes| N8
+    N8 -.-> |no| N9
+    N9 --> |no| N10
+    N10 --> |no| N11
+    N10 --> |no| 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:#7986CB,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:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#7986CB,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:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFCC7A,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/easy/mermaid_357.txt b/test/mermaid/easy/mermaid_357.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2307d2e007159660336e5b326bfdfa87eff3030a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_357.txt
@@ -0,0 +1,12 @@
+<Bio_manufacturing, connectedTo, Microbial Factories>
+<Biofoundry Operations, connectedTo, Metabolic Pathway Engineering>
+<Biosafety Level Management, no, Protein Design>
+<Biosensor Development, connectedTo, Bio_manufacturing>
+<Cellular Reprogramming, connectedTo, Biosensor Development>
+<Gene Therapy Delivery Systems, no, Biosafety Level Management>
+<Metabolic Pathway Engineering, no, Synthetic Organism Design>
+<Microbial Factories, yes, Biofoundry Operations>
+<Protein Design, no, end>
+<Protein Design, no, start>
+<Synthetic Organism Design, yes, Gene Therapy Delivery Systems>
+<start, connectedTo, Cellular Reprogramming>
diff --git a/test/mermaid/easy/mermaid_359.txt b/test/mermaid/easy/mermaid_359.txt
new file mode 100644
index 0000000000000000000000000000000000000000..000bc4c0f6e6ad298525dfc8ad41ed32f4d30c01
--- /dev/null
+++ b/test/mermaid/easy/mermaid_359.txt
@@ -0,0 +1,10 @@
+<Accessibility in EdTech, accessibility_ensures, Online Tutoring Platforms>
+<Digital Textbooks, connectedTo, Educational Robotics>
+<Educational Apps Development, administrators_assists, Parent Engagement Tools>
+<Educational Robotics, connectedTo, Educational Apps Development>
+<Online Tutoring Platforms, manages, end>
+<Parent Engagement Tools, connectedTo, Accessibility in EdTech>
+<Parent Engagement Tools, connectedTo, Educational Apps Development>
+<Personalized Learning Paths, connectedTo, Teacher Training Platforms>
+<Teacher Training Platforms, AR or VR_uses, Educational Apps Development>
+<Teacher Training Platforms, connectedTo, Digital Textbooks>
diff --git a/test/mermaid/easy/mermaid_36.mmd b/test/mermaid/easy/mermaid_36.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1353b3b6db35583ee4e5cd029137c2ff977a92db
--- /dev/null
+++ b/test/mermaid/easy/mermaid_36.mmd
@@ -0,0 +1,26 @@
+graph BT
+    N0([start])
+    N1([Itinerary Planning])
+    N2(Cultural Immersion Program)
+    N3[Photo Capture]
+    N4[(Rental Car Pickup)]
+    N5(Flight Booking)
+    N6([Souvenir Shopping])
+    N7([end])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> |yes| N3
+    N3 --> N4
+    N4 -.-> |no| N5
+    N5 --> |no| N6
+    N6 -.-> |yes| N7
+    N0 --> N4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#607D8B,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:#AED581,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:#DCE775,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_36.txt b/test/mermaid/easy/mermaid_36.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a8749eb673b18307936ea2421c751cbe90e23539
--- /dev/null
+++ b/test/mermaid/easy/mermaid_36.txt
@@ -0,0 +1,8 @@
+<Cultural Immersion Program, yes, Photo Capture>
+<Flight Booking, no, Souvenir Shopping>
+<Itinerary Planning, connectedTo, Cultural Immersion Program>
+<Photo Capture, connectedTo, Rental Car Pickup>
+<Rental Car Pickup, no, Flight Booking>
+<Souvenir Shopping, yes, end>
+<start, connectedTo, Itinerary Planning>
+<start, connectedTo, Rental Car Pickup>
diff --git a/test/mermaid/easy/mermaid_360.txt b/test/mermaid/easy/mermaid_360.txt
new file mode 100644
index 0000000000000000000000000000000000000000..00828c34341aff9199310cf0a057d7b2f1ca5263
--- /dev/null
+++ b/test/mermaid/easy/mermaid_360.txt
@@ -0,0 +1,9 @@
+<Blockchain for Educational Credentials, complies, Virtual Reality in Education>
+<Curriculum Digitization, connectedTo, Learning Management System Development>
+<Data Privacy in Education, connectedTo, end>
+<Learning Management System Development, AI_applies, Massive Open Online Courses>
+<Learning Management System Development, reports, Virtual Reality in Education>
+<Massive Open Online Courses, robotics_integrates, Open Educational Resources>
+<Online Tutoring Platforms, connectedTo, Blockchain for Educational Credentials>
+<Open Educational Resources, accessibility_ensures, Data Privacy in Education>
+<Virtual Reality in Education, tracks, Curriculum Digitization>
diff --git a/test/mermaid/easy/mermaid_38.mmd b/test/mermaid/easy/mermaid_38.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..84b1833bb1fa8639eb1d91418d0d20bb3d4de03d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_38.mmd
@@ -0,0 +1,44 @@
+graph BT
+    N0([Tax Assessment])
+    N1[[Virtual Tour Creation]]
+    N2[Escrow Setup]
+    N3[[Commercial Lease Negotiation]]
+    N4(Property Valuation)
+    N5[Open House Event]
+    N6(Maintenance Request)
+    N7[[Buyer Inquiry]]
+    N8([HOA Management])
+    N9([Zoning Compliance])
+    N0 --> |promotes| N1
+    N1 -.-> |advises| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> |schedules| N8
+    N8 --> |assigns| N9
+    N7 -.-> |constructs| N3
+    N9 --> |manages| N7
+    style N0 fill:#E8F0EA,stroke:#92C79A
+    style N1 fill:#E8F0EA,stroke:#92C79A
+    style N2 fill:#F9FBE7,stroke:#C0CA33
+    style N3 fill:#F9FBE7,stroke:#C0CA33
+    style N4 fill:#E8F0EA,stroke:#92C79A
+    style N5 fill:#F9FBE7,stroke:#C0CA33
+    style N6 fill:#FFDAB9,stroke:#FFC085
+    style N7 fill:#F9FBE7,stroke:#C0CA33
+    style N8 fill:#F9FBE7,stroke:#C0CA33
+    style N9 fill:#F9FBE7,stroke:#C0CA33
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFC085,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:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFC085,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:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#C0CA33,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_38.txt b/test/mermaid/easy/mermaid_38.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d5b5585bd9183f174b1e423c22d59ec47c00517f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_38.txt
@@ -0,0 +1,11 @@
+<Buyer Inquiry, constructs, Commercial Lease Negotiation>
+<Buyer Inquiry, schedules, HOA Management>
+<Commercial Lease Negotiation, connectedTo, Property Valuation>
+<Escrow Setup, connectedTo, Commercial Lease Negotiation>
+<HOA Management, assigns, Zoning Compliance>
+<Maintenance Request, connectedTo, Buyer Inquiry>
+<Open House Event, connectedTo, Maintenance Request>
+<Property Valuation, connectedTo, Open House Event>
+<Tax Assessment, promotes, Virtual Tour Creation>
+<Virtual Tour Creation, advises, Escrow Setup>
+<Zoning Compliance, manages, Buyer Inquiry>
diff --git a/test/mermaid/easy/mermaid_4.mmd b/test/mermaid/easy/mermaid_4.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f8f8798004e23689e3cf4c2d54d1da3fb6d7a3fd
--- /dev/null
+++ b/test/mermaid/easy/mermaid_4.mmd
@@ -0,0 +1,40 @@
+graph RL
+    N0([start])
+    N1[/Device Implantation/]
+    N2(Medication Dispensing)
+    N3[/Patient Education/]
+    N4[[Symptom Monitoring]]
+    N5(Clinical Trial)
+    N6[Vaccination]
+    N7[(Physical Examination)]
+    N8{Case Review}
+    N9[/Telemedicine Consultation/]
+    N10([Pharmacy Order])
+    N11([end])
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> |yes| N3
+    N3 -.-> |yes| N4
+    N4 --> |no| N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> |no| N8
+    N8 --> N9
+    N9 -.-> |yes| N10
+    N10 --> |no| N11
+    N1 --> |no| N10
+    N9 --> N1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFC085,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/easy/mermaid_40.mmd b/test/mermaid/easy/mermaid_40.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1d650067ef41287184cf8a271fe55112bf2ae32c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_40.mmd
@@ -0,0 +1,34 @@
+graph LR
+    N0([start])
+    N1{Evacuation Planning}
+    N2[(Evidence Collection)]
+    N3(Hostage Negotiation)
+    N4([K9 Unit Deployment])
+    N5{Hazard Detection}
+    N6(Disaster Relief Coordination)
+    N7([end])
+    N0 --> N1
+    N1 -.-> |assesses| N2
+    N2 -.-> |plans| N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> |evacuates| N7
+    N4 -.-> N7
+    style N0 fill:#D7CCC8,stroke:#795548
+    style N1 fill:#CADEDE,stroke:#94C0C0
+    style N2 fill:#CADEDE,stroke:#94C0C0
+    style N3 fill:#D7CCC8,stroke:#795548
+    style N4 fill:#D7CCC8,stroke:#795548
+    style N5 fill:#CADEDE,stroke:#94C0C0
+    style N6 fill:#CADEDE,stroke:#94C0C0
+    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:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#92C79A,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_41.txt b/test/mermaid/easy/mermaid_41.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ddbc4a23113f1e3173eaf69f18c8660b1f1964a5
--- /dev/null
+++ b/test/mermaid/easy/mermaid_41.txt
@@ -0,0 +1,10 @@
+<Bomb Disposal, connectedTo, Surveillance Review>
+<Border Security, connectedTo, Emergency Medical Service>
+<Emergency Medical Service, equips, Shelter Setup>
+<Fire Suppression, secures, SWAT Team Activation>
+<Public Safety Training, connectedTo, Surveillance Review>
+<Public Safety Training, identifies, Bomb Disposal>
+<SWAT Team Activation, connectedTo, Public Safety Training>
+<Shelter Setup, connectedTo, Traffic Control>
+<Surveillance Review, protects, Threat Assessment>
+<Threat Assessment, connectedTo, Border Security>
diff --git a/test/mermaid/easy/mermaid_42.txt b/test/mermaid/easy/mermaid_42.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d4443b09d1569c3354fa1fc37a6e2da5605b52c0
--- /dev/null
+++ b/test/mermaid/easy/mermaid_42.txt
@@ -0,0 +1,10 @@
+<Bomb Disposal, connectedTo, Rescue Coordination>
+<Bomb Disposal, responds to, Incident Reporting>
+<Crime Prevention Programs, connectedTo, Bomb Disposal>
+<First Aid Deployment, rescues, Forensic Analysis>
+<Forensic Analysis, connectedTo, Bomb Disposal>
+<Hostage Negotiation, connectedTo, First Aid Deployment>
+<Incident Reporting, maintains, K9 Unit Deployment>
+<K9 Unit Deployment, connectedTo, Crime Prevention Programs>
+<Rescue Coordination, coordinates, Hostage Negotiation>
+<start, connectedTo, Incident Reporting>
diff --git a/test/mermaid/easy/mermaid_44.mmd b/test/mermaid/easy/mermaid_44.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..dbf61c84c5cc434d8ceea72a4ada9874ec859bde
--- /dev/null
+++ b/test/mermaid/easy/mermaid_44.mmd
@@ -0,0 +1,37 @@
+graph TD
+    N0([start])
+    N1[Live Performance]
+    N2(Film Distribution)
+    N3[[Sponsorship Acquisition]]
+    N4([Marketing Campaign])
+    N5[Talent Management]
+    N6{Streaming Setup}
+    N7{Script Writing}
+    N8{Set Construction}
+    N9(Intellectual Property Protection)
+    N10([end])
+    N0 -.-> |no| N1
+    N1 -.-> |yes| N2
+    N2 --> |yes| N3
+    N3 -.-> |yes| N4
+    N4 -.-> |yes| N5
+    N5 --> |yes| N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> |yes| N9
+    N9 -.-> N10
+    N0 -.-> N3
+    N10 --> N4
+    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:#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:#00BCD4,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FF8A65,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_47.mmd b/test/mermaid/easy/mermaid_47.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..6365d82774d608335fa35d5b954fd76dc6bbdb44
--- /dev/null
+++ b/test/mermaid/easy/mermaid_47.mmd
@@ -0,0 +1,38 @@
+graph LR
+    N0([start])
+    N1[/Noise Pollution Measurement/]
+    N2[/Environmental Impact Assessment/]
+    N3([Ocean Cleanup])
+    N4{Species Reintroduction}
+    N5[[Regulatory Compliance]]
+    N6(Soil Testing)
+    N7[Wildlife Survey]
+    N8(Energy Audit)
+    N9[Biodiversity Conservation]
+    N10([Landfill Management])
+    N11([end])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> |yes| N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> |yes| N6
+    N6 --> N7
+    N7 -.-> |no| N8
+    N8 -.-> |yes| N9
+    N9 -.-> |yes| N10
+    N10 --> |yes| N11
+    N9 --> |yes| N1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#C2B2F0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_47.txt b/test/mermaid/easy/mermaid_47.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0be18ffeb075ea4295f96f0a624e2e000799c338
--- /dev/null
+++ b/test/mermaid/easy/mermaid_47.txt
@@ -0,0 +1,12 @@
+<Biodiversity Conservation, yes, Landfill Management>
+<Biodiversity Conservation, yes, Noise Pollution Measurement>
+<Energy Audit, yes, Biodiversity Conservation>
+<Environmental Impact Assessment, yes, Ocean Cleanup>
+<Landfill Management, yes, end>
+<Noise Pollution Measurement, connectedTo, Environmental Impact Assessment>
+<Ocean Cleanup, connectedTo, Species Reintroduction>
+<Regulatory Compliance, yes, Soil Testing>
+<Soil Testing, connectedTo, Wildlife Survey>
+<Species Reintroduction, connectedTo, Regulatory Compliance>
+<Wildlife Survey, no, Energy Audit>
+<start, connectedTo, Noise Pollution Measurement>
diff --git a/test/mermaid/easy/mermaid_48.txt b/test/mermaid/easy/mermaid_48.txt
new file mode 100644
index 0000000000000000000000000000000000000000..901aae7f8a92a3264ecc816c03e0859268df3550
--- /dev/null
+++ b/test/mermaid/easy/mermaid_48.txt
@@ -0,0 +1,11 @@
+<Air Quality Monitoring, yes, Environmental Education Programs>
+<Air Quality Monitoring, yes, Public Awareness Campaign>
+<Carbon Footprint Calculation, connectedTo, Public Awareness Campaign>
+<Citizen Science Initiative, no, Ecological Footprint Analysis>
+<Ecological Footprint Analysis, yes, Environmental Research>
+<Environmental Education Programs, connectedTo, end>
+<Environmental Research, no, Carbon Footprint Calculation>
+<Public Awareness Campaign, connectedTo, Water Sampling>
+<Waste Water Treatment, no, Citizen Science Initiative>
+<Water Sampling, connectedTo, Air Quality Monitoring>
+<start, no, Waste Water Treatment>
diff --git a/test/mermaid/easy/mermaid_49.mmd b/test/mermaid/easy/mermaid_49.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5b6b31c409620636bceb86cd6f780dcebed81d95
--- /dev/null
+++ b/test/mermaid/easy/mermaid_49.mmd
@@ -0,0 +1,52 @@
+graph LR
+    N0([Permit Application])
+    N1(Public Consultation)
+    N2[(Public Health Initiative)]
+    N3[[Infrastructure Planning]]
+    N4(Public Works Maintenance)
+    N5[Social Security Administration]
+    N6(Compliance Checking)
+    N7{Transparency Audit}
+    N8([Policy Drafting])
+    N9[[Whistleblower Protection]]
+    N10[Tax Filing]
+    N11([Census Collection])
+    N0 -.-> |provides| N1
+    N1 --> |publishes| N2
+    N2 --> |reviews| N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> |subsidizes| N6
+    N6 -.-> |executes| N7
+    N7 --> |partners| N8
+    N8 -.-> |inspects| N9
+    N9 -.-> N10
+    N10 --> |registers| N11
+    N6 --> N10
+    N3 --> N11
+    style N0 fill:#B2EBF2,stroke:#00BCD4
+    style N1 fill:#B2EBF2,stroke:#00BCD4
+    style N2 fill:#D1C4E9,stroke:#7E57C2
+    style N3 fill:#B2EBF2,stroke:#00BCD4
+    style N4 fill:#EFE6FF,stroke:#C2B2F0
+    style N5 fill:#EFE6FF,stroke:#C2B2F0
+    style N6 fill:#EFE6FF,stroke:#C2B2F0
+    style N7 fill:#EFE6FF,stroke:#C2B2F0
+    style N8 fill:#EFE6FF,stroke:#C2B2F0
+    style N9 fill:#D1C4E9,stroke:#7E57C2
+    style N10 fill:#B2EBF2,stroke:#00BCD4
+    style N11 fill:#EFE6FF,stroke:#C2B2F0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#7E57C2,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:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#00BCD4,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:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#7E57C2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_49.txt b/test/mermaid/easy/mermaid_49.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a85ae1c74f313fa27b3fc8b303a05e6c7ec26f62
--- /dev/null
+++ b/test/mermaid/easy/mermaid_49.txt
@@ -0,0 +1,13 @@
+<Compliance Checking, connectedTo, Tax Filing>
+<Compliance Checking, executes, Transparency Audit>
+<Infrastructure Planning, connectedTo, Census Collection>
+<Infrastructure Planning, connectedTo, Public Works Maintenance>
+<Permit Application, provides, Public Consultation>
+<Policy Drafting, inspects, Whistleblower Protection>
+<Public Consultation, publishes, Public Health Initiative>
+<Public Health Initiative, reviews, Infrastructure Planning>
+<Public Works Maintenance, connectedTo, Social Security Administration>
+<Social Security Administration, subsidizes, Compliance Checking>
+<Tax Filing, registers, Census Collection>
+<Transparency Audit, partners, Policy Drafting>
+<Whistleblower Protection, connectedTo, Tax Filing>
diff --git a/test/mermaid/easy/mermaid_5.mmd b/test/mermaid/easy/mermaid_5.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..3d44ae252ea02ffd02733ca287e0976802f4199c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_5.mmd
@@ -0,0 +1,46 @@
+graph BT
+    N0([Health Screening])
+    N1[(Genetic Counseling)]
+    N2(Discharge)
+    N3([Emergency Response])
+    N4(Case Review)
+    N5[/Vaccination/]
+    N6[[Insurance Claim]]
+    N7[Dental Check_up]
+    N8[(Pain Management)]
+    N9[[Patient Transfer]]
+    N10([Imaging Scan])
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> |counsels| N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> |transports| N6
+    N6 --> |implements| N7
+    N7 -.-> |refers| N8
+    N8 -.-> |treats| N9
+    N9 --> |diagnoses| N10
+    N8 -.-> |analyzes| N7
+    style N0 fill:#F3E5F5,stroke:#AB47BC
+    style N1 fill:#F0F0F0,stroke:#D2D2D2
+    style N2 fill:#FFF3E0,stroke:#FFA726
+    style N3 fill:#F3E5F5,stroke:#AB47BC
+    style N4 fill:#FFF3E0,stroke:#FFA726
+    style N5 fill:#F0F0F0,stroke:#D2D2D2
+    style N6 fill:#FFF3E0,stroke:#FFA726
+    style N7 fill:#F0F0F0,stroke:#D2D2D2
+    style N8 fill:#FFF3E0,stroke:#FFA726
+    style N9 fill:#FFF3E0,stroke:#FFA726
+    style N10 fill:#F0F0F0,stroke:#D2D2D2
+    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:#AB47BC,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:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#AB47BC,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_5.txt b/test/mermaid/easy/mermaid_5.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0d8f1b7195d4f60eb43838f92a80a2332d82b4ef
--- /dev/null
+++ b/test/mermaid/easy/mermaid_5.txt
@@ -0,0 +1,11 @@
+<Case Review, connectedTo, Vaccination>
+<Dental Check_up, refers, Pain Management>
+<Discharge, counsels, Emergency Response>
+<Emergency Response, connectedTo, Case Review>
+<Genetic Counseling, connectedTo, Discharge>
+<Health Screening, connectedTo, Genetic Counseling>
+<Insurance Claim, implements, Dental Check_up>
+<Pain Management, analyzes, Dental Check_up>
+<Pain Management, treats, Patient Transfer>
+<Patient Transfer, diagnoses, Imaging Scan>
+<Vaccination, transports, Insurance Claim>
diff --git a/test/mermaid/easy/mermaid_51.txt b/test/mermaid/easy/mermaid_51.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5ad2ff105fb7d663dd6f208994e2d5555b2aea64
--- /dev/null
+++ b/test/mermaid/easy/mermaid_51.txt
@@ -0,0 +1,10 @@
+<Citizen Feedback, connectedTo, Interdepartmental Approval>
+<Grant Distribution, negotiates, Legislation Review>
+<Interdepartmental Approval, connectedTo, Grant Distribution>
+<Legal Advisory, administers, Urban Planning>
+<Legal Advisory, registers, Vehicle Registration>
+<Legislation Review, connectedTo, end>
+<Public Health Initiative, connectedTo, Citizen Feedback>
+<Public Health Initiative, enforces, Interdepartmental Approval>
+<Urban Planning, connectedTo, Vehicle Registration>
+<Vehicle Registration, connectedTo, Public Health Initiative>
diff --git a/test/mermaid/easy/mermaid_53.txt b/test/mermaid/easy/mermaid_53.txt
new file mode 100644
index 0000000000000000000000000000000000000000..abbb43a88059813403f7d351ef424e95f3ca533d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_53.txt
@@ -0,0 +1,11 @@
+<Curbside Delivery, connectedTo, Sales Forecasting>
+<Daily Report Generation, connectedTo, Curbside Delivery>
+<Loyalty Program Update, connectedTo, Store Layout Design>
+<Online Order Pickup, manages, Daily Report Generation>
+<Order Fulfillment, markets, end>
+<Order Fulfillment, supplies, Shelf Restocking>
+<Product Demonstration, restocks, Visual Merchandising>
+<Sales Forecasting, secures, end>
+<Shelf Restocking, connectedTo, Online Order Pickup>
+<Store Layout Design, connectedTo, Order Fulfillment>
+<Visual Merchandising, connectedTo, Loyalty Program Update>
diff --git a/test/mermaid/easy/mermaid_54.mmd b/test/mermaid/easy/mermaid_54.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..7065c58b2bf1abfc1f9fc8d6a7a453652f656a08
--- /dev/null
+++ b/test/mermaid/easy/mermaid_54.mmd
@@ -0,0 +1,48 @@
+graph BT
+    N0([Self_Checkout Assistance])
+    N1(Fitting Room Management)
+    N2[[Supply Chain Optimization]]
+    N3(Customer Engagement)
+    N4{Customer Survey}
+    N5(Receipt Issuing)
+    N6(Seasonal Sales Planning)
+    N7([Point of Sale System Update])
+    N8[Promotion Planning]
+    N9([Product Demonstration])
+    N10([Staff Training])
+    N0 --> N1
+    N1 -.-> |personalizes| N2
+    N2 --> |delivers| N3
+    N3 --> |packs| N4
+    N4 --> |displays| N5
+    N5 --> |stocks| N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> |reports| N9
+    N9 --> |assists| N10
+    N9 --> N7
+    N3 -.-> |forecasts| N0
+    style N0 fill:#F0F0F0,stroke:#D2D2D2
+    style N1 fill:#E4E0DF,stroke:#BDAFA8
+    style N2 fill:#E4E0DF,stroke:#BDAFA8
+    style N3 fill:#F0F0F0,stroke:#D2D2D2
+    style N4 fill:#E4E0DF,stroke:#BDAFA8
+    style N5 fill:#F8BBD0,stroke:#E91E63
+    style N6 fill:#F8BBD0,stroke:#E91E63
+    style N7 fill:#E4E0DF,stroke:#BDAFA8
+    style N8 fill:#E4E0DF,stroke:#BDAFA8
+    style N9 fill:#E4E0DF,stroke:#BDAFA8
+    style N10 fill:#F8BBD0,stroke:#E91E63
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#E91E63,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:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#BDAFA8,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:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#D2D2D2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_55.mmd b/test/mermaid/easy/mermaid_55.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..54c971d82ba247d3d4f9ac1321a5e1598b9b3141
--- /dev/null
+++ b/test/mermaid/easy/mermaid_55.mmd
@@ -0,0 +1,40 @@
+graph BT
+    N0([Vehicle Registration])
+    N1[/Part Manufacturing/]
+    N2[[Recycling of Vehicle Components]]
+    N3[[Fuel Efficiency Check]]
+    N4[Vehicle Design]
+    N5[Infotainment System Integration]
+    N6[(Spare Parts Order)]
+    N7[(Research and Development)]
+    N8([Inventory Tracking])
+    N0 --> N1
+    N1 --> |fuels| N2
+    N2 -.-> N3
+    N3 --> |upgrades| N4
+    N4 -.-> N5
+    N5 --> |cleans| N6
+    N6 --> N7
+    N7 -.-> |installs| N8
+    N2 --> |optimizes| N6
+    N7 --> N1
+    style N0 fill:#EFEBE9,stroke:#A1887F
+    style N1 fill:#EFEBE9,stroke:#A1887F
+    style N2 fill:#EFEBE9,stroke:#A1887F
+    style N3 fill:#FAEBF3,stroke:#F7BEE0
+    style N4 fill:#FAEBF3,stroke:#F7BEE0
+    style N5 fill:#FAEBF3,stroke:#F7BEE0
+    style N6 fill:#FFFDE0,stroke:#FFF8A6
+    style N7 fill:#FAEBF3,stroke:#F7BEE0
+    style N8 fill:#EFEBE9,stroke:#A1887F
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#F7BEE0,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFF8A6,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:#FFF8A6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_55.txt b/test/mermaid/easy/mermaid_55.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bc384a5518fb8e5637f73aa21f11941814d75e87
--- /dev/null
+++ b/test/mermaid/easy/mermaid_55.txt
@@ -0,0 +1,10 @@
+<Fuel Efficiency Check, upgrades, Vehicle Design>
+<Infotainment System Integration, cleans, Spare Parts Order>
+<Part Manufacturing, fuels, Recycling of Vehicle Components>
+<Recycling of Vehicle Components, connectedTo, Fuel Efficiency Check>
+<Recycling of Vehicle Components, optimizes, Spare Parts Order>
+<Research and Development, connectedTo, Part Manufacturing>
+<Research and Development, installs, Inventory Tracking>
+<Spare Parts Order, connectedTo, Research and Development>
+<Vehicle Design, connectedTo, Infotainment System Integration>
+<Vehicle Registration, connectedTo, Part Manufacturing>
diff --git a/test/mermaid/easy/mermaid_56.mmd b/test/mermaid/easy/mermaid_56.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f6835ba493cd7aae0da0149c7c04c0297bc9dc73
--- /dev/null
+++ b/test/mermaid/easy/mermaid_56.mmd
@@ -0,0 +1,38 @@
+graph BT
+    N0([Engine Installation])
+    N1[Software Calibration]
+    N2[Vehicle Connectivity]
+    N3[Road Testing]
+    N4(Inventory Tracking)
+    N5(Autonomous Driving Software Development)
+    N6[Warranty Activation]
+    N7(Body Shop Repair)
+    N8([end])
+    N0 --> |distributes| N1
+    N1 --> |repairs| N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> |schedules| N5
+    N5 -.-> N6
+    N6 -.-> |leases| N7
+    N7 -.-> |produces| N8
+    N6 --> N3
+    style N0 fill:#FFFCE6,stroke:#FFF9AE
+    style N1 fill:#D0E0F8,stroke:#4285F4
+    style N2 fill:#D0E0F8,stroke:#4285F4
+    style N3 fill:#CADEDE,stroke:#94C0C0
+    style N4 fill:#FFFCE6,stroke:#FFF9AE
+    style N5 fill:#D0E0F8,stroke:#4285F4
+    style N6 fill:#FFFCE6,stroke:#FFF9AE
+    style N7 fill:#D0E0F8,stroke:#4285F4
+    style N8 fill:#FFFCE6,stroke:#FFF9AE
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFF9AE,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#4285F4,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_58.mmd b/test/mermaid/easy/mermaid_58.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..6704ece42baab2d20dff690e0366103d1f47fdc9
--- /dev/null
+++ b/test/mermaid/easy/mermaid_58.mmd
@@ -0,0 +1,34 @@
+graph RL
+    N0([start])
+    N1[[Avionics Installation]]
+    N2[/Thermal Shield Testing/]
+    N3([Mission Planning])
+    N4[[Engine Overhaul]]
+    N5[/Space Debris Tracking/]
+    N6(Satellite Data Processing)
+    N7(New Material Development)
+    N8[(Propulsion Testing)]
+    N9([end])
+    N0 --> |no| N1
+    N1 -.-> |yes| N2
+    N2 --> |yes| N3
+    N3 -.-> |no| N4
+    N4 -.-> N5
+    N5 --> |no| N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N4 -.-> |yes| N9
+    N9 --> N7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#CD8FF2,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_58.txt b/test/mermaid/easy/mermaid_58.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d5f5910b8f280f7db75c9cca951df784047ebe57
--- /dev/null
+++ b/test/mermaid/easy/mermaid_58.txt
@@ -0,0 +1,11 @@
+<Avionics Installation, yes, Thermal Shield Testing>
+<Engine Overhaul, connectedTo, Space Debris Tracking>
+<Engine Overhaul, yes, end>
+<Mission Planning, no, Engine Overhaul>
+<New Material Development, connectedTo, Propulsion Testing>
+<Propulsion Testing, connectedTo, end>
+<Satellite Data Processing, connectedTo, New Material Development>
+<Space Debris Tracking, no, Satellite Data Processing>
+<Thermal Shield Testing, yes, Mission Planning>
+<end, connectedTo, New Material Development>
+<start, no, Avionics Installation>
diff --git a/test/mermaid/easy/mermaid_6.mmd b/test/mermaid/easy/mermaid_6.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1c4a0aaa6539eeefd6a406bb33b7742a5954b444
--- /dev/null
+++ b/test/mermaid/easy/mermaid_6.mmd
@@ -0,0 +1,48 @@
+graph RL
+    N0([Pain Management])
+    N1[[Diagnosis]]
+    N2(Device Implantation)
+    N3([Medical Record Keeping])
+    N4[Wound Care]
+    N5{Epidemiological Tracking}
+    N6{Patient Intake}
+    N7[Imaging Scan]
+    N8{Patient Education}
+    N9[(Follow_up)]
+    N10([end])
+    N0 -.-> N1
+    N1 -.-> |refers| N2
+    N2 --> |escalates| N3
+    N3 --> N4
+    N4 --> |records| N5
+    N5 --> N6
+    N6 --> N7
+    N7 -.-> |educates| N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N6 --> |transports| N0
+    N0 --> |immunizes| N7
+    style N0 fill:#E8F5E9,stroke:#66BB6A
+    style N1 fill:#FFF9D4,stroke:#FFE69C
+    style N2 fill:#EDF5F3,stroke:#A1D7CD
+    style N3 fill:#FFF9D4,stroke:#FFE69C
+    style N4 fill:#EDF5F3,stroke:#A1D7CD
+    style N5 fill:#E8F5E9,stroke:#66BB6A
+    style N6 fill:#FFF9D4,stroke:#FFE69C
+    style N7 fill:#EDF5F3,stroke:#A1D7CD
+    style N8 fill:#E8F5E9,stroke:#66BB6A
+    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:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A1D7CD,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:#A1D7CD,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:#FFE69C,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:#A1D7CD,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_6.txt b/test/mermaid/easy/mermaid_6.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c7aa94d892264ea8c5e1b1f03f2e6a1be26d6adc
--- /dev/null
+++ b/test/mermaid/easy/mermaid_6.txt
@@ -0,0 +1,12 @@
+<Device Implantation, escalates, Medical Record Keeping>
+<Diagnosis, refers, Device Implantation>
+<Epidemiological Tracking, connectedTo, Patient Intake>
+<Follow_up, connectedTo, end>
+<Imaging Scan, educates, Patient Education>
+<Medical Record Keeping, connectedTo, Wound Care>
+<Pain Management, connectedTo, Diagnosis>
+<Pain Management, immunizes, Imaging Scan>
+<Patient Education, connectedTo, Follow_up>
+<Patient Intake, connectedTo, Imaging Scan>
+<Patient Intake, transports, Pain Management>
+<Wound Care, records, Epidemiological Tracking>
diff --git a/test/mermaid/easy/mermaid_61.mmd b/test/mermaid/easy/mermaid_61.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..4aac6ce7fc5dff249cdbf83f0cc810a85da2e6e8
--- /dev/null
+++ b/test/mermaid/easy/mermaid_61.mmd
@@ -0,0 +1,36 @@
+graph BT
+    N0([Product Development])
+    N1[(Reinsurance Negotiation)]
+    N2(Healthcare Provider Network Management)
+    N3(Data Security)
+    N4(Annuity Sales)
+    N5[[Digital Policy Management]]
+    N6[[Catastrophe Modeling]]
+    N7([Investment Management for Reserves])
+    N0 -.-> N1
+    N1 -.-> |analyzes| N2
+    N2 --> |complies| N3
+    N3 --> N4
+    N4 -.-> |underwrites| N5
+    N5 -.-> N6
+    N6 --> N7
+    N2 --> N1
+    N1 -.-> |supports| N7
+    style N0 fill:#C8E6C9,stroke:#4CAF50
+    style N1 fill:#C8E6C9,stroke:#4CAF50
+    style N2 fill:#C8E6C9,stroke:#4CAF50
+    style N3 fill:#FFF3E0,stroke:#FFA726
+    style N4 fill:#D7CCC8,stroke:#795548
+    style N5 fill:#C8E6C9,stroke:#4CAF50
+    style N6 fill:#C8E6C9,stroke:#4CAF50
+    style N7 fill:#C8E6C9,stroke:#4CAF50
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#795548,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:#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:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFA726,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_61.txt b/test/mermaid/easy/mermaid_61.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a7dd1aeb040fb6b2f0ee832c2ddad88979e6364c
--- /dev/null
+++ b/test/mermaid/easy/mermaid_61.txt
@@ -0,0 +1,9 @@
+<Annuity Sales, underwrites, Digital Policy Management>
+<Catastrophe Modeling, connectedTo, Investment Management for Reserves>
+<Data Security, connectedTo, Annuity Sales>
+<Digital Policy Management, connectedTo, Catastrophe Modeling>
+<Healthcare Provider Network Management, complies, Data Security>
+<Healthcare Provider Network Management, connectedTo, Reinsurance Negotiation>
+<Product Development, connectedTo, Reinsurance Negotiation>
+<Reinsurance Negotiation, analyzes, Healthcare Provider Network Management>
+<Reinsurance Negotiation, supports, Investment Management for Reserves>
diff --git a/test/mermaid/easy/mermaid_64.mmd b/test/mermaid/easy/mermaid_64.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..201bd6703d6235ea4a8850e4c83a845c0835eb87
--- /dev/null
+++ b/test/mermaid/easy/mermaid_64.mmd
@@ -0,0 +1,44 @@
+graph BT
+    N0([Data Loss Prevention])
+    N1[[Security Awareness Training]]
+    N2[(Insider Threat Detection)]
+    N3[Dark Web Monitoring]
+    N4[[Security Audit]]
+    N5{Incident Response}
+    N6[Risk Management Framework]
+    N7([Security Patch Management])
+    N8[Cryptography Implementation]
+    N9([Backup and Recovery])
+    N0 -.-> |notifies| N1
+    N1 --> |authenticates| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> |encrypts| N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> |monitors| N9
+    N2 -.-> N5
+    N1 -.-> |recovers| N9
+    style N0 fill:#F1F8E9,stroke:#388E3C
+    style N1 fill:#E6EE9C,stroke:#CDDC39
+    style N2 fill:#E6EE9C,stroke:#CDDC39
+    style N3 fill:#F1F8E9,stroke:#388E3C
+    style N4 fill:#E6EE9C,stroke:#CDDC39
+    style N5 fill:#CFD8DC,stroke:#607D8B
+    style N6 fill:#E6EE9C,stroke:#CDDC39
+    style N7 fill:#CFD8DC,stroke:#607D8B
+    style N8 fill:#CFD8DC,stroke:#607D8B
+    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:#CDDC39,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:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#CDDC39,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_65.mmd b/test/mermaid/easy/mermaid_65.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..dc610f77c52bc8d112c1c1fd3d797fe3eb00b65e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_65.mmd
@@ -0,0 +1,34 @@
+graph RL
+    N0([Malware Analysis])
+    N1{Disaster Recovery Planning}
+    N2[(Compliance Monitoring)]
+    N3[/Insider Threat Detection/]
+    N4[Digital Forensics]
+    N5[DevSecOps Integration]
+    N6{Security Patch Management}
+    N7([Endpoint Protection])
+    N0 -.-> N1
+    N1 --> |alerts| N2
+    N2 -.-> |configures| N3
+    N3 -.-> N4
+    N4 --> |prevents| N5
+    N5 --> |patches| N6
+    N6 -.-> |updates| N7
+    N3 --> |advises| N0
+    style N0 fill:#ECF0FD,stroke:#B8C0F5
+    style N1 fill:#D1C4E9,stroke:#7E57C2
+    style N2 fill:#ECF0FD,stroke:#B8C0F5
+    style N3 fill:#FFEBEE,stroke:#E57373
+    style N4 fill:#D1C4E9,stroke:#7E57C2
+    style N5 fill:#FFEBEE,stroke:#E57373
+    style N6 fill:#ECF0FD,stroke:#B8C0F5
+    style N7 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:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#7E57C2,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_65.txt b/test/mermaid/easy/mermaid_65.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c513e12846cee8a581c9cfeffa43b8f470ac4273
--- /dev/null
+++ b/test/mermaid/easy/mermaid_65.txt
@@ -0,0 +1,8 @@
+<Compliance Monitoring, configures, Insider Threat Detection>
+<DevSecOps Integration, patches, Security Patch Management>
+<Digital Forensics, prevents, DevSecOps Integration>
+<Disaster Recovery Planning, alerts, Compliance Monitoring>
+<Insider Threat Detection, advises, Malware Analysis>
+<Insider Threat Detection, connectedTo, Digital Forensics>
+<Malware Analysis, connectedTo, Disaster Recovery Planning>
+<Security Patch Management, updates, Endpoint Protection>
diff --git a/test/mermaid/easy/mermaid_66.txt b/test/mermaid/easy/mermaid_66.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5e1e159bd6b958a284407959fbd8cc943133c43e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_66.txt
@@ -0,0 +1,9 @@
+<Access Control, connectedTo, Dark Web Monitoring>
+<Dark Web Monitoring, connectedTo, Identity Management>
+<Digital Forensics, governs, Malware Analysis>
+<Identity Management, notifies, User Training>
+<Malware Analysis, analyzes, Access Control>
+<Malware Analysis, designs, Identity Management>
+<Malware Analysis, scans, Dark Web Monitoring>
+<Network Security, connectedTo, Digital Forensics>
+<start, connectedTo, Network Security>
diff --git a/test/mermaid/easy/mermaid_67.mmd b/test/mermaid/easy/mermaid_67.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..20a57fa9c27e343f2530712c55b6dfa8af76a460
--- /dev/null
+++ b/test/mermaid/easy/mermaid_67.mmd
@@ -0,0 +1,36 @@
+graph BT
+    N0([Door Lock Management])
+    N1(Smart Appliance Control)
+    N2[Emergency Service Connection]
+    N3[Water Heater Control]
+    N4[(Geofencing Trigger)]
+    N5[[Personalized Comfort Settings]]
+    N6[[Sound System Integration]]
+    N7([end])
+    N0 --> |integrates| N1
+    N1 -.-> |records| N2
+    N2 --> N3
+    N3 -.-> |adapts| N4
+    N4 --> N5
+    N5 -.-> |visualizes| N6
+    N6 -.-> N7
+    N1 -.-> N3
+    N2 -.-> |adjusts| N0
+    style N0 fill:#C8EDFF,stroke:#82DAFF
+    style N1 fill:#C5CAE9,stroke:#3F51B5
+    style N2 fill:#C8EDFF,stroke:#82DAFF
+    style N3 fill:#FBE9E7,stroke:#FF8A65
+    style N4 fill:#C5CAE9,stroke:#3F51B5
+    style N5 fill:#FBE9E7,stroke:#FF8A65
+    style N6 fill:#C5CAE9,stroke:#3F51B5
+    style N7 fill:#C8EDFF,stroke:#82DAFF
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#3F51B5,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:#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:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FF8A65,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_67.txt b/test/mermaid/easy/mermaid_67.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9e8ac47ff49fac2f1c11a6c4214e33a2565d9060
--- /dev/null
+++ b/test/mermaid/easy/mermaid_67.txt
@@ -0,0 +1,9 @@
+<Door Lock Management, integrates, Smart Appliance Control>
+<Emergency Service Connection, adjusts, Door Lock Management>
+<Emergency Service Connection, connectedTo, Water Heater Control>
+<Geofencing Trigger, connectedTo, Personalized Comfort Settings>
+<Personalized Comfort Settings, visualizes, Sound System Integration>
+<Smart Appliance Control, connectedTo, Water Heater Control>
+<Smart Appliance Control, records, Emergency Service Connection>
+<Sound System Integration, connectedTo, end>
+<Water Heater Control, adapts, Geofencing Trigger>
diff --git a/test/mermaid/easy/mermaid_68.mmd b/test/mermaid/easy/mermaid_68.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..2bc51490d113ead4b0189b72367585d5d078b6e8
--- /dev/null
+++ b/test/mermaid/easy/mermaid_68.mmd
@@ -0,0 +1,38 @@
+graph LR
+    N0([start])
+    N1{Routine Scheduling}
+    N2[(Smart Plug Management)]
+    N3[[Energy Monitoring]]
+    N4[Home Security System Activation]
+    N5(Garage Door Control)
+    N6(Security Alert)
+    N7[/Irrigation System Control/]
+    N8([end])
+    N0 --> |secures| N1
+    N1 --> |learns| N2
+    N2 -.-> |schedules| N3
+    N3 -.-> N4
+    N4 -.-> |adapts| N5
+    N5 --> N6
+    N6 --> |locks| N7
+    N7 --> N8
+    N6 --> N4
+    style N0 fill:#F3E5F5,stroke:#AB47BC
+    style N1 fill:#E3F2FD,stroke:#64B5F6
+    style N2 fill:#E3F2FD,stroke:#64B5F6
+    style N3 fill:#E3F2FD,stroke:#64B5F6
+    style N4 fill:#B3E5FC,stroke:#03A9F4
+    style N5 fill:#B3E5FC,stroke:#03A9F4
+    style N6 fill:#E3F2FD,stroke:#64B5F6
+    style N7 fill:#B3E5FC,stroke:#03A9F4
+    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:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#64B5F6,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:#000000,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:#03A9F4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_7.txt b/test/mermaid/easy/mermaid_7.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dbe08bf9c75761fe7750b1443032f58ba10b801f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_7.txt
@@ -0,0 +1,8 @@
+<Automated Guided Vehicle Operation, connectedTo, Supplier Qualification>
+<Automated Guided Vehicle Operation, stores, Parts Replacement>
+<Defect Analysis, connectedTo, Tool Path Generation>
+<Machine Calibration, cuts, Predictive Maintenance>
+<Parts Replacement, connectedTo, Defect Analysis>
+<Predictive Maintenance, molds, Automated Guided Vehicle Operation>
+<Tool Path Generation, receives, Machine Calibration>
+<Tool Setup, labels, Parts Replacement>
diff --git a/test/mermaid/easy/mermaid_70.txt b/test/mermaid/easy/mermaid_70.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2faa96d35077070a023b7fc7e074637932b34735
--- /dev/null
+++ b/test/mermaid/easy/mermaid_70.txt
@@ -0,0 +1,11 @@
+<Air Quality Index Reporting, connectedTo, E_governance Services>
+<Air Quality Index Reporting, connects, Cybersecurity for Infrastructure>
+<Crowd Management, connectedTo, Sustainable Resource Management>
+<Cybersecurity for Infrastructure, lights, Digital Kiosk Information>
+<Digital Kiosk Information, funds, Water Management System>
+<Disaster Resilience Planning, sustains, Cybersecurity for Infrastructure>
+<E_governance Services, connectedTo, Crowd Management>
+<Sustainable Resource Management, connectedTo, Disaster Resilience Planning>
+<Water Management System, complies, Public Wi_Fi Deployment>
+<Water Management System, monitors, Disaster Resilience Planning>
+<start, parks, Air Quality Index Reporting>
diff --git a/test/mermaid/easy/mermaid_72.mmd b/test/mermaid/easy/mermaid_72.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d38e17d7bb97b8ae81f0e6aaeebdf4e56a1aecf5
--- /dev/null
+++ b/test/mermaid/easy/mermaid_72.mmd
@@ -0,0 +1,42 @@
+graph LR
+    N0([start])
+    N1[Traffic Flow Optimization]
+    N2[Smart Education Initiatives]
+    N3{Data Privacy Protection}
+    N4[/Public Wi_Fi Deployment/]
+    N5[[Waste Management Optimization]]
+    N6(Green Space Management)
+    N7[[Water Management System]]
+    N8[[Cybersecurity for Infrastructure]]
+    N9([Smart Parking])
+    N0 -.-> |measures| N1
+    N1 --> |complies| N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> |protects| N5
+    N5 -.-> |audits| N6
+    N6 -.-> N7
+    N7 --> |plans| N8
+    N8 -.-> |builds| N9
+    N6 --> N2
+    style N0 fill:#D6D9F0,stroke:#9FA9E1
+    style N1 fill:#DED7F0,stroke:#A188DB
+    style N2 fill:#D6D9F0,stroke:#9FA9E1
+    style N3 fill:#DED7F0,stroke:#A188DB
+    style N4 fill:#D6D9F0,stroke:#9FA9E1
+    style N5 fill:#DED7F0,stroke:#A188DB
+    style N6 fill:#E1BEE7,stroke:#9C27B0
+    style N7 fill:#DED7F0,stroke:#A188DB
+    style N8 fill:#D6D9F0,stroke:#9FA9E1
+    style N9 fill:#DED7F0,stroke:#A188DB
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#9C27B0,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:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#9C27B0,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_73.mmd b/test/mermaid/easy/mermaid_73.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..9be4caf24b8e110baad4729620140bb457231c2e
--- /dev/null
+++ b/test/mermaid/easy/mermaid_73.mmd
@@ -0,0 +1,38 @@
+graph BT
+    N0([start])
+    N1([Data Management and Analysis])
+    N2[/Bioinformatics Analysis/]
+    N3[Preclinical Testing]
+    N4[(Drug Repurposing)]
+    N5[[Personalized Medicine Formulation]]
+    N6[(Genomic Editing)]
+    N7([Biosensor Development])
+    N8([end])
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> |validates| N3
+    N3 -.-> |synthesizes| N4
+    N4 -.-> |publishes| N5
+    N5 --> |simulates| N6
+    N6 --> |automates| N7
+    N7 --> N8
+    N3 -.-> |treats| N5
+    style N0 fill:#E8F0EA,stroke:#92C79A
+    style N1 fill:#F8BBD0,stroke:#E91E63
+    style N2 fill:#F8BBD0,stroke:#E91E63
+    style N3 fill:#F8BBD0,stroke:#E91E63
+    style N4 fill:#D1C4E9,stroke:#673AB7
+    style N5 fill:#D1C4E9,stroke:#673AB7
+    style N6 fill:#E8F0EA,stroke:#92C79A
+    style N7 fill:#D1C4E9,stroke:#673AB7
+    style N8 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:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#673AB7,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:#E91E63,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_73.txt b/test/mermaid/easy/mermaid_73.txt
new file mode 100644
index 0000000000000000000000000000000000000000..47ea3da3f5974915ab473467402b20bfb1bcbf1a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_73.txt
@@ -0,0 +1,9 @@
+<Bioinformatics Analysis, validates, Preclinical Testing>
+<Biosensor Development, connectedTo, end>
+<Data Management and Analysis, connectedTo, Bioinformatics Analysis>
+<Drug Repurposing, publishes, Personalized Medicine Formulation>
+<Genomic Editing, automates, Biosensor Development>
+<Personalized Medicine Formulation, simulates, Genomic Editing>
+<Preclinical Testing, synthesizes, Drug Repurposing>
+<Preclinical Testing, treats, Personalized Medicine Formulation>
+<start, connectedTo, Data Management and Analysis>
diff --git a/test/mermaid/easy/mermaid_74.mmd b/test/mermaid/easy/mermaid_74.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..3b88ca9f3332669d88ba623c16ee0f3855cbc5ad
--- /dev/null
+++ b/test/mermaid/easy/mermaid_74.mmd
@@ -0,0 +1,52 @@
+graph TD
+    N0([Vaccine Development])
+    N1[(Data Management and Analysis)]
+    N2(Stem Cell Research)
+    N3[Biosafety Protocol]
+    N4[(Target Identification)]
+    N5(Biomanufacturing Scale_up)
+    N6(Bioreactor Operation)
+    N7[(Intellectual Property Protection)]
+    N8{Nanobiotechnology Application}
+    N9[/Personalized Medicine Formulation/]
+    N10[Regulatory Submission]
+    N11([Gene Therapy Delivery])
+    N0 -.-> N1
+    N1 --> |funds| N2
+    N2 --> |complies| N3
+    N3 -.-> N4
+    N4 -.-> |detects| N5
+    N5 --> N6
+    N6 --> |screens| N7
+    N7 -.-> |commercializes| N8
+    N8 --> |harvests| N9
+    N9 -.-> |collaborates| N10
+    N10 --> N11
+    N4 --> |produces| N2
+    N10 -.-> N6
+    style N0 fill:#CFD8DC,stroke:#607D8B
+    style N1 fill:#BBDEFB,stroke:#2196F3
+    style N2 fill:#EDE7F6,stroke:#7E57C2
+    style N3 fill:#EDE7F6,stroke:#7E57C2
+    style N4 fill:#EDE7F6,stroke:#7E57C2
+    style N5 fill:#BBDEFB,stroke:#2196F3
+    style N6 fill:#BBDEFB,stroke:#2196F3
+    style N7 fill:#CFD8DC,stroke:#607D8B
+    style N8 fill:#BBDEFB,stroke:#2196F3
+    style N9 fill:#CFD8DC,stroke:#607D8B
+    style N10 fill:#BBDEFB,stroke:#2196F3
+    style N11 fill:#BBDEFB,stroke:#2196F3
+    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:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#7E57C2,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#7E57C2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_74.txt b/test/mermaid/easy/mermaid_74.txt
new file mode 100644
index 0000000000000000000000000000000000000000..156221110cece32da517fe902d249f17be986b23
--- /dev/null
+++ b/test/mermaid/easy/mermaid_74.txt
@@ -0,0 +1,13 @@
+<Biomanufacturing Scale_up, connectedTo, Bioreactor Operation>
+<Bioreactor Operation, screens, Intellectual Property Protection>
+<Biosafety Protocol, connectedTo, Target Identification>
+<Data Management and Analysis, funds, Stem Cell Research>
+<Intellectual Property Protection, commercializes, Nanobiotechnology Application>
+<Nanobiotechnology Application, harvests, Personalized Medicine Formulation>
+<Personalized Medicine Formulation, collaborates, Regulatory Submission>
+<Regulatory Submission, connectedTo, Bioreactor Operation>
+<Regulatory Submission, connectedTo, Gene Therapy Delivery>
+<Stem Cell Research, complies, Biosafety Protocol>
+<Target Identification, detects, Biomanufacturing Scale_up>
+<Target Identification, produces, Stem Cell Research>
+<Vaccine Development, connectedTo, Data Management and Analysis>
diff --git a/test/mermaid/easy/mermaid_77.txt b/test/mermaid/easy/mermaid_77.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2c9d7f01675ccedf6af2bcf3674d95e7d87c74fb
--- /dev/null
+++ b/test/mermaid/easy/mermaid_77.txt
@@ -0,0 +1,8 @@
+<Audit Management, formulates, Manufacturing Scale_up>
+<Distribution, consults, Drug Repurposing>
+<Drug Research, connectedTo, Injectable Drug Manufacturing>
+<Drug Research, inspects, Post_Marketing Surveillance>
+<Global Regulatory Affairs, synthesizes, Distribution>
+<Injectable Drug Manufacturing, connectedTo, Global Regulatory Affairs>
+<Manufacturing Scale_up, recalls, Drug Research>
+<Post_Marketing Surveillance, patents, Injectable Drug Manufacturing>
diff --git a/test/mermaid/easy/mermaid_78.txt b/test/mermaid/easy/mermaid_78.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fb0f3c708089128b14e3dbf59e7c701f48bde21a
--- /dev/null
+++ b/test/mermaid/easy/mermaid_78.txt
@@ -0,0 +1,12 @@
+<Active Pharmaceutical Ingredient Production, distributes, Packaging>
+<Batch Release, connectedTo, Active Pharmaceutical Ingredient Production>
+<Cleanroom Operations, connectedTo, Cold Chain Logistics>
+<Cleanroom Operations, funds, Active Pharmaceutical Ingredient Production>
+<Clinical Trial Phases, connectedTo, Manufacturing Scale_up>
+<Cold Chain Logistics, formulates, Clinical Trial Phases>
+<Formulation Development, connectedTo, Batch Release>
+<Manufacturing Scale_up, connectedTo, Solid Dosage Formulation>
+<Packaging, connectedTo, Cleanroom Operations>
+<Post_Approval Commitment Tracking, connectedTo, Packaging>
+<Solid Dosage Formulation, optimizes, Formulation Development>
+<start, trials, Post_Approval Commitment Tracking>
diff --git a/test/mermaid/easy/mermaid_79.mmd b/test/mermaid/easy/mermaid_79.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f0f22253a98a4827acfd470528ff4cea39e8088d
--- /dev/null
+++ b/test/mermaid/easy/mermaid_79.mmd
@@ -0,0 +1,32 @@
+graph RL
+    N0([start])
+    N1[Medical Robotics]
+    N2[[Robotics Simulation]]
+    N3[(Force Control)]
+    N4[Exoskeleton Development]
+    N5[(Kinematics and Dynamics)]
+    N6[/Autonomous Navigation/]
+    N7[Field Deployment]
+    N8[Ethical Robotics Development]
+    N9([end])
+    N0 -.-> |no| N1
+    N1 --> |no| N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> |yes| N6
+    N6 -.-> N7
+    N7 --> |yes| N8
+    N8 -.-> |yes| N9
+    N8 -.-> N3
+    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:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#3F51B5,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:#7E57C2,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_79.txt b/test/mermaid/easy/mermaid_79.txt
new file mode 100644
index 0000000000000000000000000000000000000000..49f960426565e85e709facaea581b4c637b2a436
--- /dev/null
+++ b/test/mermaid/easy/mermaid_79.txt
@@ -0,0 +1,10 @@
+<Autonomous Navigation, connectedTo, Field Deployment>
+<Ethical Robotics Development, connectedTo, Force Control>
+<Ethical Robotics Development, yes, end>
+<Exoskeleton Development, connectedTo, Kinematics and Dynamics>
+<Field Deployment, yes, Ethical Robotics Development>
+<Force Control, connectedTo, Exoskeleton Development>
+<Kinematics and Dynamics, yes, Autonomous Navigation>
+<Medical Robotics, no, Robotics Simulation>
+<Robotics Simulation, connectedTo, Force Control>
+<start, no, Medical Robotics>
diff --git a/test/mermaid/easy/mermaid_8.mmd b/test/mermaid/easy/mermaid_8.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c5caa703e43fdd4662f63bc2160e85d47a80de3b
--- /dev/null
+++ b/test/mermaid/easy/mermaid_8.mmd
@@ -0,0 +1,40 @@
+graph TD
+    N0([start])
+    N1[[Painting]]
+    N2{Machine Calibration}
+    N3(Tool Setup)
+    N4[Final Testing]
+    N5[Storage]
+    N6[Component Sourcing]
+    N7{Quality Control}
+    N8[(Safety Audit)]
+    N9[Serialization]
+    N10{Predictive Maintenance}
+    N11([end])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> |no| N4
+    N4 --> |yes| N5
+    N5 --> |yes| N6
+    N6 --> N7
+    N7 -.-> |no| N8
+    N8 -.-> N9
+    N9 -.-> |no| N10
+    N10 -.-> |yes| N11
+    N3 --> |yes| N11
+    N6 -.-> N2
+    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:#F44336,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#A188D0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_80.mmd b/test/mermaid/easy/mermaid_80.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..2da1070ec638e2d54efdf420bf6382891d10bde7
--- /dev/null
+++ b/test/mermaid/easy/mermaid_80.mmd
@@ -0,0 +1,48 @@
+graph TD
+    N0([start])
+    N1([Agricultural Robotics])
+    N2([Human_Robot Interaction])
+    N3[/Collaborative Robotics/]
+    N4[[Performance Testing]]
+    N5{Force Control}
+    N6(Path Planning)
+    N7{Data Collection}
+    N8[Robot Fleet Management]
+    N9([Underwater Robotics])
+    N10([end])
+    N0 -.-> |builds| N1
+    N1 --> |controls| N2
+    N2 --> |welds| N3
+    N3 --> |paints| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> |detects| N8
+    N8 -.-> N9
+    N9 -.-> |tests| N10
+    N4 --> |senses| N6
+    N2 -.-> |manipulates| N6
+    style N0 fill:#E9F7E8,stroke:#6EB76D
+    style N1 fill:#E0F2F1,stroke:#4DB6AC
+    style N2 fill:#E8F0FF,stroke:#A2D0FF
+    style N3 fill:#E0F2F1,stroke:#4DB6AC
+    style N4 fill:#E8F0FF,stroke:#A2D0FF
+    style N5 fill:#E8F0FF,stroke:#A2D0FF
+    style N6 fill:#E8F0FF,stroke:#A2D0FF
+    style N7 fill:#E0F2F1,stroke:#4DB6AC
+    style N8 fill:#E8F0FF,stroke:#A2D0FF
+    style N9 fill:#E8F0FF,stroke:#A2D0FF
+    style N10 fill:#E9F7E8,stroke:#6EB76D
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#A2D0FF,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:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#4DB6AC,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_81.mmd b/test/mermaid/easy/mermaid_81.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..bde775f5f563e4da3ca3d557d5e80ca2753f1e73
--- /dev/null
+++ b/test/mermaid/easy/mermaid_81.mmd
@@ -0,0 +1,50 @@
+graph RL
+    N0([Ethical Robotics Development])
+    N1[Autonomous Navigation]
+    N2(Safety System Implementation)
+    N3[/Kinematics and Dynamics/]
+    N4[[Human_Robot Interaction]]
+    N5[[Robot Programming]]
+    N6(Medical Robotics)
+    N7[(Fault Detection and Diagnosis)]
+    N8{Robot Design}
+    N9[System Integration]
+    N10[/Path Planning/]
+    N11([end])
+    N0 -.-> |operates| N1
+    N1 -.-> |maintains| N2
+    N2 --> N3
+    N3 --> |inspects| N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> |grips| N7
+    N7 -.-> |simulates| N8
+    N8 --> N9
+    N9 --> N10
+    N10 -.-> N11
+    N7 --> |learns| N1
+    style N0 fill:#F1F8E9,stroke:#388E3C
+    style N1 fill:#F1F8E9,stroke:#388E3C
+    style N2 fill:#EFEBE9,stroke:#A1887F
+    style N3 fill:#EDF5F3,stroke:#A1D7CD
+    style N4 fill:#F1F8E9,stroke:#388E3C
+    style N5 fill:#EDF5F3,stroke:#A1D7CD
+    style N6 fill:#EDF5F3,stroke:#A1D7CD
+    style N7 fill:#EDF5F3,stroke:#A1D7CD
+    style N8 fill:#EFEBE9,stroke:#A1887F
+    style N9 fill:#EFEBE9,stroke:#A1887F
+    style N10 fill:#EDF5F3,stroke:#A1D7CD
+    style N11 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:#A1887F,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:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A1D7CD,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:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#A1887F,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_83.mmd b/test/mermaid/easy/mermaid_83.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d8400cefaa41f4c4872ef25a9463b4985bf8acd7
--- /dev/null
+++ b/test/mermaid/easy/mermaid_83.mmd
@@ -0,0 +1,26 @@
+graph LR
+    N0([start])
+    N1[/Risk Assessment/]
+    N2([Sustainable Building Design])
+    N3(Project Scheduling)
+    N4[[Bridge Building]]
+    N5(Utility Connection)
+    N6[Landscape Design]
+    N7([end])
+    N0 --> |no| N1
+    N1 --> |no| N2
+    N2 --> N3
+    N3 -.-> |yes| N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> |no| N7
+    N2 --> |yes| N4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#2196F3,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:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#BCB88A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_84.txt b/test/mermaid/easy/mermaid_84.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6afc4a525785d89571f897ae5395e811ba90c966
--- /dev/null
+++ b/test/mermaid/easy/mermaid_84.txt
@@ -0,0 +1,9 @@
+<BIM Modeling, connectedTo, end>
+<Blueprint Review, designs, Pre_fabrication>
+<Budget Tracking, contracts, Blueprint Review>
+<Concrete Pouring, advises, Interior Finishing>
+<Interior Finishing, connectedTo, BIM Modeling>
+<Pre_fabrication, connectedTo, start>
+<Pre_fabrication, repairs, Concrete Pouring>
+<Safety Inspection, estimates, Budget Tracking>
+<start, connectedTo, Safety Inspection>
diff --git a/test/mermaid/easy/mermaid_86.mmd b/test/mermaid/easy/mermaid_86.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a15fe382e0f0101e3f9f17e3fc9454a923769fc7
--- /dev/null
+++ b/test/mermaid/easy/mermaid_86.mmd
@@ -0,0 +1,44 @@
+graph TD
+    N0([Live Streaming])
+    N1[Crisis Communication]
+    N2[/Photojournalism/]
+    N3([Event Organization])
+    N4(Content Licensing)
+    N5[Digital Marketing]
+    N6{Augmented Reality Experiences}
+    N7[[Social Media Management]]
+    N8(Content Moderation)
+    N9([Subscription Management])
+    N0 -.-> |develops| N1
+    N1 -.-> |protects| N2
+    N2 --> |sponsors| N3
+    N3 --> |reports| N4
+    N4 -.-> |markets| N5
+    N5 --> |broadcasts| N6
+    N6 --> |collects| N7
+    N7 --> |regulates| N8
+    N8 --> N9
+    N6 --> N1
+    N2 -.-> N1
+    style N0 fill:#F5F5DC,stroke:#BCB88A
+    style N1 fill:#F5F5DC,stroke:#BCB88A
+    style N2 fill:#F5F5DC,stroke:#BCB88A
+    style N3 fill:#FCE4EC,stroke:#F06292
+    style N4 fill:#FFF9D4,stroke:#FFE69C
+    style N5 fill:#FCE4EC,stroke:#F06292
+    style N6 fill:#F5F5DC,stroke:#BCB88A
+    style N7 fill:#FCE4EC,stroke:#F06292
+    style N8 fill:#F5F5DC,stroke:#BCB88A
+    style N9 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:#F06292,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#BCB88A,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:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#BCB88A,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_86.txt b/test/mermaid/easy/mermaid_86.txt
new file mode 100644
index 0000000000000000000000000000000000000000..65fc7506516ec26b6fc409959a6d7ae37a56ed85
--- /dev/null
+++ b/test/mermaid/easy/mermaid_86.txt
@@ -0,0 +1,11 @@
+<Augmented Reality Experiences, collects, Social Media Management>
+<Augmented Reality Experiences, connectedTo, Crisis Communication>
+<Content Licensing, markets, Digital Marketing>
+<Content Moderation, connectedTo, Subscription Management>
+<Crisis Communication, protects, Photojournalism>
+<Digital Marketing, broadcasts, Augmented Reality Experiences>
+<Event Organization, reports, Content Licensing>
+<Live Streaming, develops, Crisis Communication>
+<Photojournalism, connectedTo, Crisis Communication>
+<Photojournalism, sponsors, Event Organization>
+<Social Media Management, regulates, Content Moderation>
diff --git a/test/mermaid/easy/mermaid_87.txt b/test/mermaid/easy/mermaid_87.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1c1d44ce1de53d1e2a2fe5274656149af5e96686
--- /dev/null
+++ b/test/mermaid/easy/mermaid_87.txt
@@ -0,0 +1,8 @@
+<Audience Engagement, regulates, Broadcasting>
+<Broadcasting, creates, Game Streaming>
+<Cross_Platform Syndication, secures, Audience Engagement>
+<Digital Marketing, designs, Scriptwriting>
+<Game Streaming, connectedTo, Scriptwriting>
+<Journalism, connectedTo, Digital Marketing>
+<Scriptwriting, complies, User Generated Content Curation>
+<User Generated Content Curation, connectedTo, Journalism>
diff --git a/test/mermaid/easy/mermaid_89.txt b/test/mermaid/easy/mermaid_89.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7536340a180e8fea5db6669fb0d7587f9e872c46
--- /dev/null
+++ b/test/mermaid/easy/mermaid_89.txt
@@ -0,0 +1,12 @@
+<Brewing, no, Customer Order Taking>
+<Customer Order Taking, yes, Food Safety Inspection>
+<Delivery Service Coordination, no, Ingredient Traceability>
+<Food Safety Inspection, connectedTo, Quality Control>
+<Ingredient Traceability, connectedTo, Nutrition Analysis>
+<New Product Launch, connectedTo, Delivery Service Coordination>
+<Nutrition Analysis, no, Recipe Development>
+<Product Shelf_Life Testing, yes, New Product Launch>
+<Quality Control, connectedTo, Product Shelf_Life Testing>
+<Recipe Development, connectedTo, Brewing>
+<Recipe Development, connectedTo, end>
+<start, no, Brewing>
diff --git a/test/mermaid/easy/mermaid_9.mmd b/test/mermaid/easy/mermaid_9.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1477f338d94a3f05de7c949a9a1d3c2112db9262
--- /dev/null
+++ b/test/mermaid/easy/mermaid_9.mmd
@@ -0,0 +1,48 @@
+graph TD
+    N0([Logistics Planning])
+    N1[/Maintenance/]
+    N2(Batch Tracking)
+    N3{Component Sourcing}
+    N4(Shipping)
+    N5{Yield Optimization}
+    N6[Predictive Maintenance]
+    N7[Parts Replacement]
+    N8([Machine Calibration])
+    N9[[Automated Guided Vehicle Operation]]
+    N10([Recycling Process])
+    N0 -.-> N1
+    N1 --> |paints| N2
+    N2 --> |plans| N3
+    N3 -.-> |improves| N4
+    N4 -.-> N5
+    N5 --> |dispatches| N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> |packages| N9
+    N9 --> |forecasts| N10
+    N3 -.-> N7
+    N6 -.-> |integrates| N2
+    style N0 fill:#FFFAE0,stroke:#FFE470
+    style N1 fill:#FFFAE0,stroke:#FFE470
+    style N2 fill:#E8EAF6,stroke:#7986CB
+    style N3 fill:#FFFAE0,stroke:#FFE470
+    style N4 fill:#E8EAF6,stroke:#7986CB
+    style N5 fill:#FFFAE0,stroke:#FFE470
+    style N6 fill:#F8FDD3,stroke:#D3EB9F
+    style N7 fill:#FFFAE0,stroke:#FFE470
+    style N8 fill:#F8FDD3,stroke:#D3EB9F
+    style N9 fill:#F8FDD3,stroke:#D3EB9F
+    style N10 fill:#E8EAF6,stroke:#7986CB
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFE470,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_9.txt b/test/mermaid/easy/mermaid_9.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5b9bc1c4e575c7e90a83a5b8208e4404ed5baef4
--- /dev/null
+++ b/test/mermaid/easy/mermaid_9.txt
@@ -0,0 +1,12 @@
+<Automated Guided Vehicle Operation, forecasts, Recycling Process>
+<Batch Tracking, plans, Component Sourcing>
+<Component Sourcing, connectedTo, Parts Replacement>
+<Component Sourcing, improves, Shipping>
+<Logistics Planning, connectedTo, Maintenance>
+<Machine Calibration, packages, Automated Guided Vehicle Operation>
+<Maintenance, paints, Batch Tracking>
+<Parts Replacement, connectedTo, Machine Calibration>
+<Predictive Maintenance, connectedTo, Parts Replacement>
+<Predictive Maintenance, integrates, Batch Tracking>
+<Shipping, connectedTo, Yield Optimization>
+<Yield Optimization, dispatches, Predictive Maintenance>
diff --git a/test/mermaid/easy/mermaid_91.mmd b/test/mermaid/easy/mermaid_91.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f4e74e5b168e9af2a534dc574f2d6642f079224f
--- /dev/null
+++ b/test/mermaid/easy/mermaid_91.mmd
@@ -0,0 +1,29 @@
+graph RL
+    N0([start])
+    N1([Venue Booking])
+    N2[(Ticketing Sales)]
+    N3[[Fitness Conditioning]]
+    N4(Sports Marketing)
+    N5(Player Recruitment)
+    N6[Rule Enforcement]
+    N7(Injury Management)
+    N8([end])
+    N0 -.-> N1
+    N1 --> |no| N2
+    N2 --> |yes| N3
+    N3 --> |no| N4
+    N4 --> N5
+    N5 -.-> |no| N6
+    N6 --> N7
+    N7 --> |yes| N8
+    N2 --> 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:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4DB6AC,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:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#4DB6AC,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_92.mmd b/test/mermaid/easy/mermaid_92.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..9169f82955e29424325ba65f16dbf7af7debbc05
--- /dev/null
+++ b/test/mermaid/easy/mermaid_92.mmd
@@ -0,0 +1,50 @@
+graph TD
+    N0([Ticketing Sales])
+    N1{Scorekeeping}
+    N2[(League Management)]
+    N3[(Refereeing)]
+    N4[(Tournament Organization)]
+    N5[Stadium Operations]
+    N6[Fitness Conditioning]
+    N7[Team Management]
+    N8([Merchandise Sales])
+    N9([Player Recruitment])
+    N10([Anti_Doping Control])
+    N11([Venue Booking])
+    N0 -.-> |sells| N1
+    N1 --> |wins| N2
+    N2 -.-> |consults| N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> |judges| N6
+    N6 --> N7
+    N7 -.-> |designs| N8
+    N8 -.-> N9
+    N9 --> |markets| N10
+    N10 --> N11
+    N7 --> |secures| N2
+    style N0 fill:#DED7F0,stroke:#A188DB
+    style N1 fill:#C8E6C9,stroke:#4CAF50
+    style N2 fill:#C8E6C9,stroke:#4CAF50
+    style N3 fill:#DED7F0,stroke:#A188DB
+    style N4 fill:#F1F8E9,stroke:#388E3C
+    style N5 fill:#C8E6C9,stroke:#4CAF50
+    style N6 fill:#DED7F0,stroke:#A188DB
+    style N7 fill:#C8E6C9,stroke:#4CAF50
+    style N8 fill:#F1F8E9,stroke:#388E3C
+    style N9 fill:#F1F8E9,stroke:#388E3C
+    style N10 fill:#F1F8E9,stroke:#388E3C
+    style N11 fill:#C8E6C9,stroke:#4CAF50
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4CAF50,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:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#4CAF50,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:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#A188DB,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_93.mmd b/test/mermaid/easy/mermaid_93.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..31e8583bad0d2d415f41b190a9d586866b3a9187
--- /dev/null
+++ b/test/mermaid/easy/mermaid_93.mmd
@@ -0,0 +1,42 @@
+graph TD
+    N0([start])
+    N1(Fitness Conditioning)
+    N2[Injury Management]
+    N3[Fan Experience Enhancement]
+    N4[Team Management]
+    N5(Fan Club Management)
+    N6([Tournament Organization])
+    N7[/Sports Technology Integration/]
+    N8[[Venue Booking]]
+    N9([end])
+    N0 -.-> |judges| N1
+    N1 --> N2
+    N2 -.-> |governs| N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> |scores| N6
+    N6 --> |equips| N7
+    N7 --> N8
+    N8 -.-> N9
+    N3 -.-> |sells| N9
+    style N0 fill:#E9F7E8,stroke:#6EB76D
+    style N1 fill:#FFDAB9,stroke:#FFC085
+    style N2 fill:#E9F7E8,stroke:#6EB76D
+    style N3 fill:#E0F2F1,stroke:#26A69A
+    style N4 fill:#E9F7E8,stroke:#6EB76D
+    style N5 fill:#FFDAB9,stroke:#FFC085
+    style N6 fill:#E9F7E8,stroke:#6EB76D
+    style N7 fill:#E9F7E8,stroke:#6EB76D
+    style N8 fill:#FFDAB9,stroke:#FFC085
+    style N9 fill:#E9F7E8,stroke:#6EB76D
+    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:#26A69A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#6EB76D,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:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#26A69A,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_93.txt b/test/mermaid/easy/mermaid_93.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ae03e87fb28e12501dfe45b87d61937831b373f3
--- /dev/null
+++ b/test/mermaid/easy/mermaid_93.txt
@@ -0,0 +1,10 @@
+<Fan Club Management, scores, Tournament Organization>
+<Fan Experience Enhancement, connectedTo, Team Management>
+<Fan Experience Enhancement, sells, end>
+<Fitness Conditioning, connectedTo, Injury Management>
+<Injury Management, governs, Fan Experience Enhancement>
+<Sports Technology Integration, connectedTo, Venue Booking>
+<Team Management, connectedTo, Fan Club Management>
+<Tournament Organization, equips, Sports Technology Integration>
+<Venue Booking, connectedTo, end>
+<start, judges, Fitness Conditioning>
diff --git a/test/mermaid/easy/mermaid_94.mmd b/test/mermaid/easy/mermaid_94.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0ec16163d81a73feb0b5a1fa681055eb840dd537
--- /dev/null
+++ b/test/mermaid/easy/mermaid_94.mmd
@@ -0,0 +1,40 @@
+graph BT
+    N0([Supply Chain Transparency])
+    N1(Design Sketching)
+    N2(Retail Store Merchandising)
+    N3[Brand Building]
+    N4([Retail Sales])
+    N5[/Inventory Management/]
+    N6[Distribution]
+    N7([Sustainable Fashion Practices])
+    N8([Customer Loyalty Programs])
+    N0 --> N1
+    N1 --> N2
+    N2 --> |blogs| N3
+    N3 --> |manufactures| N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> |ethicals| N7
+    N7 -.-> |samples| N8
+    N1 --> |shows| N0
+    N2 --> |complies| N1
+    style N0 fill:#F8FDD3,stroke:#D3EB9F
+    style N1 fill:#FFFCE6,stroke:#FFF9AE
+    style N2 fill:#FFFCE6,stroke:#FFF9AE
+    style N3 fill:#F8FDD3,stroke:#D3EB9F
+    style N4 fill:#FFFCE6,stroke:#FFF9AE
+    style N5 fill:#FFFCE6,stroke:#FFF9AE
+    style N6 fill:#F8FDD3,stroke:#D3EB9F
+    style N7 fill:#F8FDD3,stroke:#D3EB9F
+    style N8 fill:#F8FDD3,stroke:#D3EB9F
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,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:#CFCFCF,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:#000000,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:#D3EB9F,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_95.txt b/test/mermaid/easy/mermaid_95.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cfe31354c8e38f98559affc8016d384036bb4531
--- /dev/null
+++ b/test/mermaid/easy/mermaid_95.txt
@@ -0,0 +1,10 @@
+<Brand Licensing, connectedTo, Marketing Campaign>
+<Marketing Campaign, no, Material Sourcing>
+<Material Sourcing, no, Product Photography>
+<Product Photography, no, Styling>
+<Ready_to_Wear Collection Launch, connectedTo, Product Photography>
+<Ready_to_Wear Collection Launch, connectedTo, end>
+<Retail Store Merchandising, no, Ready_to_Wear Collection Launch>
+<Styling, connectedTo, Retail Store Merchandising>
+<Styling, no, Product Photography>
+<start, no, Brand Licensing>
diff --git a/test/mermaid/easy/mermaid_96.txt b/test/mermaid/easy/mermaid_96.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cdea124cfabd06bdb590e8840e01d62d5d9a0953
--- /dev/null
+++ b/test/mermaid/easy/mermaid_96.txt
@@ -0,0 +1,13 @@
+<Brand Licensing, connectedTo, E_commerce Management>
+<Customer Loyalty Programs, connectedTo, Brand Licensing>
+<E_commerce Management, connectedTo, Supply Chain Transparency>
+<Embroidery and Embellishment, advises, Inventory Management>
+<Fabric Innovation, connectedTo, Sample Creation>
+<Footwear Production, sketches, Inventory Management>
+<Footwear Production, stylizes, Distribution>
+<Garment Production, promotes, Fabric Innovation>
+<Garment Production, sells, Distribution>
+<Inventory Management, photographs, Customer Loyalty Programs>
+<Sample Creation, cuts, Footwear Production>
+<Supply Chain Transparency, connectedTo, Garment Production>
+<start, connectedTo, Embroidery and Embellishment>
diff --git a/test/mermaid/easy/mermaid_97.mmd b/test/mermaid/easy/mermaid_97.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..3c20da84d81609f4ba210e922465cd90f05bed6b
--- /dev/null
+++ b/test/mermaid/easy/mermaid_97.mmd
@@ -0,0 +1,48 @@
+graph BT
+    N0([start])
+    N1{Compliance Management}
+    N2{Recruitment Planning}
+    N3([Exit Interviews])
+    N4(Employee Engagement Surveys)
+    N5[HR Analytics]
+    N6[/Candidate Sourcing/]
+    N7[Succession Planning]
+    N8(Work_Life Balance Initiatives)
+    N9[/Union Negotiations/]
+    N10([HR Budgeting])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> |leads| N4
+    N4 --> |protects| N5
+    N5 --> |motivates| N6
+    N6 -.-> N7
+    N7 -.-> |coaches| N8
+    N8 --> N9
+    N9 -.-> N10
+    N1 --> |analyzes| N6
+    N3 -.-> N5
+    style N0 fill:#EDE7F6,stroke:#7E57C2
+    style N1 fill:#FFFDE0,stroke:#FFF8A6
+    style N2 fill:#EDE7F6,stroke:#7E57C2
+    style N3 fill:#EDE7F6,stroke:#7E57C2
+    style N4 fill:#EDE7F6,stroke:#7E57C2
+    style N5 fill:#D0EFEE,stroke:#73C6BC
+    style N6 fill:#D0EFEE,stroke:#73C6BC
+    style N7 fill:#FFFDE0,stroke:#FFF8A6
+    style N8 fill:#EDE7F6,stroke:#7E57C2
+    style N9 fill:#D0EFEE,stroke:#73C6BC
+    style N10 fill:#EDE7F6,stroke:#7E57C2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#7E57C2,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF8A6,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:#73C6BC,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_98.mmd b/test/mermaid/easy/mermaid_98.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..db48a425dc4dc6aa70743d7ba417aecbbbf44737
--- /dev/null
+++ b/test/mermaid/easy/mermaid_98.mmd
@@ -0,0 +1,34 @@
+graph LR
+    N0([start])
+    N1{Health and Safety Management}
+    N2[Grievance Handling]
+    N3{HR Analytics}
+    N4[/Compensation and Benefits/]
+    N5{Global Mobility Programs}
+    N6(Change Management)
+    N7([end])
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> |policies| N3
+    N3 -.-> N4
+    N4 -.-> |disciplines| N5
+    N5 -.-> |secures| N6
+    N6 -.-> |manages| N7
+    N4 --> N6
+    style N0 fill:#F9FBE7,stroke:#C0CA33
+    style N1 fill:#B2EBF2,stroke:#00BCD4
+    style N2 fill:#F9FBE7,stroke:#C0CA33
+    style N3 fill:#B2EBF2,stroke:#00BCD4
+    style N4 fill:#F9FBE7,stroke:#C0CA33
+    style N5 fill:#F9FBE7,stroke:#C0CA33
+    style N6 fill:#ECEFF1,stroke:#90A4AE
+    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:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#C0CA33,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:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#00BCD4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/easy/mermaid_99.mmd b/test/mermaid/easy/mermaid_99.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a50bffd5ab6688dea13d40f3e5f38de67bc8f5b1
--- /dev/null
+++ b/test/mermaid/easy/mermaid_99.mmd
@@ -0,0 +1,44 @@
+graph RL
+    N0([start])
+    N1(Payroll Processing)
+    N2{Leadership Training}
+    N3([Work_Life Balance Initiatives])
+    N4[HR Information System Implementation]
+    N5[Interview Scheduling]
+    N6(Change Management)
+    N7(Leave Management)
+    N8[HR Analytics]
+    N9([end])
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> |reports| N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> |retains| N6
+    N6 --> |automates| N7
+    N7 -.-> N8
+    N8 --> |onboards| N9
+    N7 -.-> |recruits| N1
+    N7 -.-> |supports| N0
+    style N0 fill:#FFF3E0,stroke:#FFA726
+    style N1 fill:#FFF8E1,stroke:#FFD54F
+    style N2 fill:#FFF3E0,stroke:#FFA726
+    style N3 fill:#FFCCBC,stroke:#FF5722
+    style N4 fill:#FFF3E0,stroke:#FFA726
+    style N5 fill:#FFF3E0,stroke:#FFA726
+    style N6 fill:#FFF3E0,stroke:#FFA726
+    style N7 fill:#FFF3E0,stroke:#FFA726
+    style N8 fill:#FFCCBC,stroke:#FF5722
+    style N9 fill:#FFCCBC,stroke:#FF5722
+    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:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FF5722,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFD54F,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/medium/mermaid_1.txt b/test/mermaid/medium/mermaid_1.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8d4ecad31eee064b24c7b2edf4dd636b1801793e
--- /dev/null
+++ b/test/mermaid/medium/mermaid_1.txt
@@ -0,0 +1,24 @@
+<Asset Management, connectedTo, Transaction Logging>
+<Blockchain Verification, connectedTo, Debt Collection>
+<Blockchain Verification, partOf, Transaction Audit>
+<Collateral Evaluation, connectedTo, Wealth Management>
+<Debt Collection, connectedTo, KYC Validation>
+<Financial Advisory, no, Forex Trading>
+<Forex Trading, connectedTo, Asset Management>
+<Forex Trading, yes, IPO Launch>
+<IPO Launch, connectedTo, Tax Preparation>
+<IPO Launch, partOf, Transaction Audit>
+<KYC Validation, no, Financial Advisory>
+<Market Analysis, connectedTo, end>
+<Mortgage Application, connectedTo, Debt Collection>
+<Tax Preparation, connectedTo, Blockchain Verification>
+<Tax Preparation, partOf, Transaction Audit>
+<Transaction Logging, connectedTo, Collateral Evaluation>
+<Transaction Logging, connectedTo, Market Analysis>
+<Transaction Logging, connectedTo, Wealth Management>
+<Transaction Logging, no, end>
+<Wealth Management, connectedTo, Market Analysis>
+<start, connectedTo, Mortgage Application>
+<start, connectedTo, Wealth Management>
+<start, no, Collateral Evaluation>
+<start, no, KYC Validation>
diff --git a/test/mermaid/medium/mermaid_10.txt b/test/mermaid/medium/mermaid_10.txt
new file mode 100644
index 0000000000000000000000000000000000000000..65d7be0aed6f73217cb353934da2fa45d15cec49
--- /dev/null
+++ b/test/mermaid/medium/mermaid_10.txt
@@ -0,0 +1,18 @@
+<Assignment Submission, connectedTo, Grade Entry>
+<Club Registration, connectedTo, Assignment Submission>
+<Course Material Preparation, connectedTo, Internship Coordination>
+<Course Material Preparation, connectedTo, Orientation>
+<Course Material Preparation, connectedTo, end>
+<Document Verification, connectedTo, School Accreditation>
+<Document Verification, partOf, Extracurricular Activity>
+<Field Trip Coordination, no, end>
+<Grade Entry, no, Field Trip Coordination>
+<Internship Coordination, no, Club Registration>
+<Orientation, connectedTo, Document Verification>
+<Orientation, partOf, Extracurricular Activity>
+<School Accreditation, connectedTo, end>
+<School Accreditation, partOf, Extracurricular Activity>
+<start, connectedTo, Club Registration>
+<start, connectedTo, Course Material Preparation>
+<start, connectedTo, end>
+<start, yes, Field Trip Coordination>
diff --git a/test/mermaid/medium/mermaid_104.txt b/test/mermaid/medium/mermaid_104.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6ea8ed473f80693157c65cba3e9be96c568ce08b
--- /dev/null
+++ b/test/mermaid/medium/mermaid_104.txt
@@ -0,0 +1,23 @@
+<Account Management, connectedTo, Virtual Assistant Interaction>
+<Complaint Resolution, connectedTo, Account Management>
+<Cross_selling Opportunities, yes, Inquiry Handling>
+<Customer Journey Mapping, connectedTo, Up_selling Opportunities>
+<Customer Loyalty Program Support, connectedTo, Technical Support>
+<Customer Success Management, connectedTo, end>
+<Feedback Loop to Product Development, connectedTo, Cross_selling Opportunities>
+<Feedback Loop to Product Development, partOf, Service Blueprinting>
+<Inquiry Handling, connectedTo, Account Management>
+<Inquiry Handling, connectedTo, Feedback Loop to Product Development>
+<Inquiry Handling, connectedTo, Order Status Check>
+<Order Status Check, connectedTo, Customer Loyalty Program Support>
+<Personalized Assistance, connectedTo, Complaint Resolution>
+<Social Media Response, connectedTo, Feedback Loop to Product Development>
+<Social Media Response, partOf, Service Blueprinting>
+<Technical Support, no, Personalized Assistance>
+<Technical Support, yes, Social Media Response>
+<Up_selling Opportunities, connectedTo, Customer Success Management>
+<Virtual Assistant Interaction, connectedTo, Customer Journey Mapping>
+<Virtual Assistant Interaction, connectedTo, Customer Success Management>
+<Virtual Assistant Interaction, connectedTo, Up_selling Opportunities>
+<start, connectedTo, Cross_selling Opportunities>
+<start, yes, Account Management>
diff --git a/test/mermaid/medium/mermaid_109.mmd b/test/mermaid/medium/mermaid_109.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..fdff97ad07a97361a8e8576b7ed85a0e3941afc5
--- /dev/null
+++ b/test/mermaid/medium/mermaid_109.mmd
@@ -0,0 +1,88 @@
+graph TD
+    N0([Community Relations])
+    N1[Water Management]
+    N2[Reclamation]
+    N3[/Mine Dewatering/]
+    N4[Geotechnical Stability Analysis]
+    N5(Exploration)
+    N6[Ore Sorting]
+    N7[Environmental Impact Assessment]
+    N8[(Energy Management)]
+    N9[Feasibility Study]
+    N10(Core Logging)
+    N11(Asset Management)
+    N12([end])
+    S0(( ))
+    S1(( ))
+    subgraph Ventilation System
+        nest0_0(Drilling and Blasting)
+        nest0_1([Resource Estimation])
+        nest0_2[[Emergency Response Planning]]
+        nest0_3[Equipment Maintenance]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> |manages| N5
+    N5 -.-> |audits| N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> |repairs| N9
+    N9 --> |monitors| N10
+    N10 --> N11
+    N11 --> N12
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N6 --> |explores| nest0_0
+    nest0_3 --> N11
+    N3 -.-> S0
+    S0 -.-> N11
+    S0 --> N8
+    N6 --> S1
+    S1 -.-> |regulates| N8
+    S1 -.-> |smelts| N11
+    style N0 fill:#D1C4E9,stroke:#7E57C2
+    style N1 fill:#D1C4E9,stroke:#7E57C2
+    style N2 fill:#D1C4E9,stroke:#7E57C2
+    style N3 fill:#E8EAF6,stroke:#7986CB
+    style N4 fill:#D3D7EB,stroke:#8C9EFF
+    style N5 fill:#E8EAF6,stroke:#7986CB
+    style N6 fill:#D1C4E9,stroke:#7E57C2
+    style N7 fill:#E8EAF6,stroke:#7986CB
+    style N8 fill:#D1C4E9,stroke:#7E57C2
+    style N9 fill:#D1C4E9,stroke:#7E57C2
+    style N10 fill:#D3D7EB,stroke:#8C9EFF
+    style N11 fill:#D3D7EB,stroke:#8C9EFF
+    style N12 fill:#D3D7EB,stroke:#8C9EFF
+    style S0 fill:#D1C4E9,stroke:#7E57C2
+    style S1 fill:#D3D7EB,stroke:#8C9EFF
+    style nest0_0 fill:#E8EAF6,stroke:#7986CB
+    style nest0_1 fill:#E8EAF6,stroke:#7986CB
+    style nest0_2 fill:#E8EAF6,stroke:#7986CB
+    style nest0_3 fill:#D1C4E9,stroke:#7E57C2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#7986CB,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#7E57C2,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:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#7986CB,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_11.mmd b/test/mermaid/medium/mermaid_11.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..57510406b30f85a83a29be980414484bad06c6d7
--- /dev/null
+++ b/test/mermaid/medium/mermaid_11.mmd
@@ -0,0 +1,70 @@
+graph TD
+    N0([start])
+    N1[(Student Enrollment)]
+    N2[Grade Entry]
+    N3[[Internship Coordination]]
+    N4{Digital Resource Management}
+    N5([Lecture Delivery])
+    N6([Study Abroad Program])
+    N7[/Extracurricular Activity/]
+    N8[/Exam Conduct/]
+    N9(Thesis Submission)
+    N10(Peer Tutoring)
+    N11[[Career Services]]
+    N12[[Scholarship Evaluation]]
+    N13([end])
+    M0(( ))
+    subgraph Certificate Issuance
+        nest0_0[Special Education Support]
+        nest0_1[/Alumni Network Management/]
+        nest0_2{Transcript Issuance}
+        nest0_3[Assignment Submission]
+    end
+    N0 -.-> |yes| N1
+    N1 --> N2
+    N2 -.-> |no| N3
+    N3 -.-> |no| N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> |yes| N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> |no| N11
+    N11 -.-> |yes| N12
+    N12 --> N13
+    nest0_0 -.-> |no| nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N8 -.-> |no| nest0_0
+    nest0_3 --> N6
+    N3 -.-> M0
+    N0 -.-> M0
+    M0 --> N5
+    N0 -.-> |no| N11
+    N6 -.-> nest0_1
+    style M0 fill:#F1F8E9,stroke:#388E3C
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#4FC3F7,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:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#4FC3F7,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_111.txt b/test/mermaid/medium/mermaid_111.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8b600a9cd6cc35f73671e494a56c007c5545be66
--- /dev/null
+++ b/test/mermaid/medium/mermaid_111.txt
@@ -0,0 +1,23 @@
+<Dust Control, markets, Feasibility Study>
+<Energy Management, connectedTo, Permit Acquisition>
+<Energy Management, connectedTo, Remote Operations Center>
+<Equipment Maintenance, connectedTo, Ventilation System>
+<Feasibility Study, connectedTo, Energy Management>
+<Feasibility Study, connectedTo, Remote Operations Center>
+<Feasibility Study, crushes, Permit Acquisition>
+<Feasibility Study, licenses, Tailings Management>
+<Geological Survey, refines, Product Marketing>
+<Mineral Processing, connectedTo, Geological Survey>
+<Permit Acquisition, safety, Remote Operations Center>
+<Product Marketing, connectedTo, Ore Sorting>
+<Refining, connectedTo, Feasibility Study>
+<Refining, partOf, Noise Management>
+<Remote Operations Center, connectedTo, Equipment Maintenance>
+<Remote Operations Center, connectedTo, Geological Survey>
+<Remote Operations Center, connectedTo, Mineral Processing>
+<Remote Operations Center, connectedTo, Ore Sorting>
+<Tailings Management, connectedTo, Refining>
+<Tailings Management, partOf, Noise Management>
+<Ventilation System, connectedTo, Mineral Processing>
+<start, connectedTo, Dust Control>
+<start, connectedTo, Permit Acquisition>
diff --git a/test/mermaid/medium/mermaid_114.txt b/test/mermaid/medium/mermaid_114.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ee41c6a27446062cdb33b63f3c48553779920bdd
--- /dev/null
+++ b/test/mermaid/medium/mermaid_114.txt
@@ -0,0 +1,19 @@
+<Fuel Consumption Optimization, connectedTo, Hydrographic Surveying>
+<Green Shipping Initiatives, navigates, Shipbuilding>
+<Hydrographic Surveying, connectedTo, Port Congestion Management>
+<Marine Data Analytics, connectedTo, Fuel Consumption Optimization>
+<Marine Data Analytics, partOf, Freight Forwarding>
+<Marine Research, communicates, Vessel Maintenance>
+<Marine Research, connectedTo, Vessel Chartering>
+<Marine Research, manages, Fuel Consumption Optimization>
+<Port Congestion Management, connectedTo, Green Shipping Initiatives>
+<Salvage Operations, connectedTo, Fuel Consumption Optimization>
+<Salvage Operations, maintains, Marine Research>
+<Shipbuilding, inspects, end>
+<Terminal Management, connectedTo, Marine Data Analytics>
+<Terminal Management, partOf, Freight Forwarding>
+<Vessel Chartering, connectedTo, Fuel Consumption Optimization>
+<Vessel Chartering, connectedTo, end>
+<Vessel Chartering, conserves, Shipbuilding>
+<Vessel Maintenance, connectedTo, Terminal Management>
+<Vessel Maintenance, partOf, Freight Forwarding>
diff --git a/test/mermaid/medium/mermaid_116.mmd b/test/mermaid/medium/mermaid_116.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e348d5e9201feefb7ee1bdbeda0f9fca95bb87bc
--- /dev/null
+++ b/test/mermaid/medium/mermaid_116.mmd
@@ -0,0 +1,58 @@
+graph LR
+    N0([start])
+    N1{Space Weather Forecasting}
+    N2(Space Tourism Development)
+    N3[(Sample Return Missions)]
+    N4(Planetary Science Research)
+    N5([In_Situ Resource Utilization])
+    N6[Satellite Deployment]
+    N7{Launch Vehicle Integration}
+    N8[Spacecraft Control]
+    N9(Space Debris Mitigation)
+    N10([end])
+    S0(( ))
+    subgraph Mission Control Center Management
+        nest0_0[[Mission Design]]
+        nest0_1[[Astronaut Training]]
+        nest0_2[[Orbital Mechanics]]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> |yes| N3
+    N3 -.-> N4
+    N4 --> |no| N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    N5 --> nest0_0
+    nest0_2 -.-> N10
+    N2 --> S0
+    S0 -.-> N4
+    S0 --> |yes| N10
+    N2 -.-> |no| nest0_1
+    N0 -.-> |yes| N7
+    style S0 fill:#E0F7FA,stroke:#00BCD4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#5C6BC0,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:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#00BCD4,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:#00BCD4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_117.mmd b/test/mermaid/medium/mermaid_117.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d68dd35f36db305bb3bf07ec8436bd85d4e7abe1
--- /dev/null
+++ b/test/mermaid/medium/mermaid_117.mmd
@@ -0,0 +1,72 @@
+graph TD
+    N0([start])
+    N1{Orbital Mechanics}
+    N2{Life Support Systems}
+    N3[(Microgravity Experiments)]
+    N4[/Interplanetary Trajectory Calculation/]
+    N5[(Mars Mission Planning)]
+    N6{Radiation Shielding Design}
+    N7{Space Weather Forecasting}
+    N8[/Sample Return Missions/]
+    N9[/Mission Control Center Management/]
+    N10[Telemetry Monitoring]
+    N11[Propellant Management]
+    N12([end])
+    S0(( ))
+    M0(( ))
+    subgraph In_Situ Resource Utilization
+        nest0_0[Launch Operations]
+        nest0_1[Payload Development]
+        nest0_2([Satellite Deployment])
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 --> |yes| N7
+    N7 --> |no| N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 -.-> |no| N11
+    N11 -.-> N12
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    N6 -.-> nest0_0
+    nest0_2 --> |yes| N8
+    N8 -.-> S0
+    S0 --> |yes| N11
+    S0 -.-> N12
+    S0 -.-> |yes| N10
+    N3 --> |no| M0
+    N2 --> M0
+    N1 --> |yes| M0
+    M0 -.-> N5
+    style S0 fill:#FBE9E7,stroke:#FF8A65
+    style M0 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:#FF8A65,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:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#BDBDBD,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:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FF8A65,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FF8A65,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_120.mmd b/test/mermaid/medium/mermaid_120.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f7a442482360577128f2b8dc4d82b723341384f8
--- /dev/null
+++ b/test/mermaid/medium/mermaid_120.mmd
@@ -0,0 +1,57 @@
+graph LR
+    N0([start])
+    N1([Public Engagement on Climate])
+    N2{Climate Impact Assessment}
+    N3[Climate Finance Tracking]
+    N4[Drought Monitoring and Forecasting]
+    N5(Water Resource Management under Climate Change)
+    N6([end])
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    subgraph Climate Policy Analysis
+        nest0_0{Data Collection}
+        nest0_1([Solar Radiation Management Research])
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> |yes| N4
+    N4 -.-> N5
+    N5 -.-> |no| N6
+    nest0_0 --> nest0_1
+    N1 -.-> |no| nest0_0
+    nest0_1 --> N2
+    N1 --> S0
+    S0 -.-> |no| N5
+    S0 -.-> N6
+    S0 --> N4
+    N0 -.-> S1
+    S1 --> |no| N5
+    S1 --> N3
+    N2 -.-> M1
+    N0 -.-> M1
+    M1 -.-> N4
+    style S0 fill:#F9FBE7,stroke:#C0CA33
+    style S1 fill:#F2E6F5,stroke:#CB9BE1
+    style M1 fill:#FFF9C4,stroke:#FFEB3B
+    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:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#CB9BE1,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:#CB9BE1,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:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#C0CA33,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:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#C0CA33,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_121.mmd b/test/mermaid/medium/mermaid_121.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..2c90a867089d492867bf9f3b261de51e52e0c7eb
--- /dev/null
+++ b/test/mermaid/medium/mermaid_121.mmd
@@ -0,0 +1,57 @@
+graph TD
+    N0([start])
+    N1(Wind Speed and Direction)
+    N2[Meteorological Station Maintenance]
+    N3(Pollution Dispersion Modeling)
+    N4(Atmospheric Sounding)
+    N5[Atmospheric Data Collection]
+    N6(Air Quality Forecasting)
+    N7([end])
+    S0(( ))
+    M0(( ))
+    subgraph Severe Weather Warning
+        nest0_0[[Marine Weather Forecast]]
+        nest0_1[Temperature Monitoring]
+        nest0_2[Drought Monitoring]
+    end
+    N0 --> |no| N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> |no| N4
+    N4 --> |no| N5
+    N5 --> N6
+    N6 -.-> N7
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N3 -.-> nest0_0
+    nest0_2 --> |yes| N6
+    N1 --> S0
+    S0 -.-> N5
+    S0 -.-> N4
+    S0 -.-> |no| N6
+    N3 -.-> M0
+    N4 --> M0
+    N1 -.-> M0
+    M0 -.-> N7
+    style S0 fill:#EDE7F6,stroke:#9575CD
+    style M0 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:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#5C6BC0,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:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#2196F3,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:#000000,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:#2196F3,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_122.txt b/test/mermaid/medium/mermaid_122.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5b763ccbb31623a12f87a2f877bdc921a9af7ead
--- /dev/null
+++ b/test/mermaid/medium/mermaid_122.txt
@@ -0,0 +1,23 @@
+<Arctic Weather Research, connectedTo, Hurricane Trajectory Modeling>
+<Arctic Weather Research, partOf, Flood Prediction>
+<Boundary Layer Study, connectedTo, Wind Speed and Direction>
+<Cloud Observation, connectedTo, Fire Weather Forecasting>
+<Cloud Observation, studies, Meteorological Station Maintenance>
+<Fire Weather Forecasting, calibrates, Public Weather Briefing>
+<Fire Weather Forecasting, connectedTo, Storm Tracking>
+<Hurricane Trajectory Modeling, connectedTo, end>
+<Hurricane Trajectory Modeling, partOf, Flood Prediction>
+<Meteorological Instrument Calibration, connectedTo, Arctic Weather Research>
+<Meteorological Instrument Calibration, partOf, Flood Prediction>
+<Meteorological Station Maintenance, collects, Fire Weather Forecasting>
+<Precipitation Measurement, connectedTo, end>
+<Public Weather Briefing, connectedTo, Storm Tracking>
+<Public Weather Briefing, connectedTo, Tropical Cyclone Analysis>
+<Storm Tracking, connectedTo, Boundary Layer Study>
+<Tropical Cyclone Analysis, retrieves, Storm Tracking>
+<Weather Forecasting, connectedTo, Storm Tracking>
+<Weather Forecasting, validates, Cloud Observation>
+<Wind Speed and Direction, alerts, Meteorological Instrument Calibration>
+<Wind Speed and Direction, connectedTo, Precipitation Measurement>
+<start, connectedTo, Fire Weather Forecasting>
+<start, connectedTo, Weather Forecasting>
diff --git a/test/mermaid/medium/mermaid_123.txt b/test/mermaid/medium/mermaid_123.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cdd206765e71d6b662574563633bae473e27671a
--- /dev/null
+++ b/test/mermaid/medium/mermaid_123.txt
@@ -0,0 +1,23 @@
+<Agricultural Weather Advisory, connectedTo, Satellite Meteorology>
+<Air Quality Forecasting, connectedTo, Atmospheric Data Collection>
+<Arctic Weather Research, connectedTo, Tornado Watch or Warning>
+<Atmospheric Data Collection, connectedTo, Tropical Cyclone Analysis>
+<Boundary Layer Study, connectedTo, Air Quality Forecasting>
+<Boundary Layer Study, identifies, Synoptic Chart Analysis>
+<Boundary Layer Study, simulates, Pollution Dispersion Modeling>
+<Boundary Layer Study, supports, Wind Speed and Direction>
+<Climate Data Archiving, disseminates, Boundary Layer Study>
+<Cloud Observation, connectedTo, Drought Monitoring>
+<Cloud Observation, connectedTo, Flood Prediction>
+<Cloud Observation, connectedTo, Synoptic Chart Analysis>
+<Drought Monitoring, connectedTo, Wind Speed and Direction>
+<Flood Prediction, connectedTo, Synoptic Chart Analysis>
+<Humidity Sensing, processes, Climate Data Archiving>
+<Pollution Dispersion Modeling, connectedTo, Public Weather Briefing>
+<Pollution Dispersion Modeling, partOf, Aviation Weather Briefing>
+<Public Weather Briefing, classifies, Tornado Watch or Warning>
+<Public Weather Briefing, partOf, Aviation Weather Briefing>
+<Satellite Meteorology, connectedTo, Humidity Sensing>
+<Synoptic Chart Analysis, charts, Arctic Weather Research>
+<Tropical Cyclone Analysis, connectedTo, Cloud Observation>
+<Wind Speed and Direction, connectedTo, Flood Prediction>
diff --git a/test/mermaid/medium/mermaid_124.txt b/test/mermaid/medium/mermaid_124.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bdb7ea5f7e944c42282261df2c10aeafdeac74f2
--- /dev/null
+++ b/test/mermaid/medium/mermaid_124.txt
@@ -0,0 +1,23 @@
+<Circular Economy Initiatives, incinerates, Paper Recycling>
+<Closed_Loop Systems, connectedTo, Public Education on Waste>
+<Closed_Loop Systems, connectedTo, Resource Recovery>
+<Closed_Loop Systems, connectedTo, Waste Management Data Analytics>
+<Closed_Loop Systems, reuses, Container Management>
+<Container Management, disposes, Circular Economy Initiatives>
+<Container Management, sorts, Waste Sorting>
+<Electronic Waste Recycling, connectedTo, Container Management>
+<Plastic Recycling Technologies, connectedTo, Zero Waste Initiatives>
+<Plastic Recycling Technologies, partOf, Organics Collection>
+<Public Education on Waste, extracts, Waste Compaction>
+<Resource Recovery, connectedTo, Waste Management Data Analytics>
+<Waste Audit, connectedTo, Zero Waste Initiatives>
+<Waste Compaction, enforces, Waste Audit>
+<Waste Logistics Optimization, connectedTo, Closed_Loop Systems>
+<Waste Logistics Optimization, connectedTo, Waste Management Data Analytics>
+<Waste Management Data Analytics, connectedTo, Public Education on Waste>
+<Waste Sorting, maintains, Plastic Recycling Technologies>
+<Waste Sorting, partOf, Organics Collection>
+<Zero Waste Initiatives, connectedTo, Electronic Waste Recycling>
+<start, connectedTo, Waste Logistics Optimization>
+<start, connectedTo, Waste Management Data Analytics>
+<start, connectedTo, Zero Waste Initiatives>
diff --git a/test/mermaid/medium/mermaid_125.mmd b/test/mermaid/medium/mermaid_125.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e500085442ce57aa531c896e60ac9cecf2e6a9da
--- /dev/null
+++ b/test/mermaid/medium/mermaid_125.mmd
@@ -0,0 +1,50 @@
+graph BT
+    N0([start])
+    N1[Electronic Waste Recycling]
+    N2{Glass Recycling}
+    N3(Waste Collection)
+    N4{Anaerobic Digestion}
+    N5(Construction and Demolition Waste Management)
+    N6{Composting}
+    N7[[Closed_Loop Systems]]
+    N8[(Waste_to_Energy Conversion)]
+    N9([end])
+    M0(( ))
+    subgraph Metal Recycling
+        nest0_0[Landfill Gas Collection]
+        nest0_1{Circular Economy Initiatives}
+    end
+    N0 -.-> N1
+    N1 --> |yes| N2
+    N2 --> N3
+    N3 --> |no| N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> |no| N9
+    nest0_0 --> |yes| nest0_1
+    N2 -.-> |yes| nest0_0
+    nest0_1 -.-> N3
+    N4 --> M0
+    N3 --> M0
+    M0 -.-> N7
+    nest0_0 -.-> N2
+    style M0 fill:#E9F7E8,stroke:#6EB76D
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#26A69A,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:#FFC085,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:#6EB76D,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:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#26A69A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_127.mmd b/test/mermaid/medium/mermaid_127.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..610bdb237e2677a2500b9900ca82659bc1cef0a3
--- /dev/null
+++ b/test/mermaid/medium/mermaid_127.mmd
@@ -0,0 +1,78 @@
+graph TD
+    N0([start])
+    N1[[Pollution Source Identification]]
+    N2([Piping Network Repair])
+    N3{Billing and Revenue Management}
+    N4[Water Resource Planning]
+    N5{Drinking Water Standards Compliance}
+    N6(Sewer System Inspection)
+    N7([Reservoir Operation])
+    S0(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Hydrological Modeling
+        nest0_0([Water Distribution])
+        nest0_1([Smart Water Networks])
+        nest0_2([Irrigation Management])
+        nest0_3{Ecosystem Protection}
+    end
+    N0 --> N1
+    N1 --> |reports| N2
+    N2 --> |collects| N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 --> N7
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> nest0_3
+    N4 -.-> nest0_0
+    nest0_3 --> N7
+    N0 --> S0
+    S0 --> |manages| N7
+    S0 --> N6
+    N3 --> M0
+    N2 -.-> |plans| M0
+    M0 -.-> N5
+    N2 --> M1
+    N1 --> M1
+    N4 --> M1
+    M1 --> N6
+    style N0 fill:#CADEDE,stroke:#94C0C0
+    style N1 fill:#EDF5F3,stroke:#A1D7CD
+    style N2 fill:#E4E0DF,stroke:#BDAFA8
+    style N3 fill:#E4E0DF,stroke:#BDAFA8
+    style N4 fill:#CADEDE,stroke:#94C0C0
+    style N5 fill:#EDF5F3,stroke:#A1D7CD
+    style N6 fill:#CADEDE,stroke:#94C0C0
+    style N7 fill:#E4E0DF,stroke:#BDAFA8
+    style S0 fill:#E4E0DF,stroke:#BDAFA8
+    style M0 fill:#CADEDE,stroke:#94C0C0
+    style M1 fill:#E4E0DF,stroke:#BDAFA8
+    style nest0_0 fill:#CADEDE,stroke:#94C0C0
+    style nest0_1 fill:#EDF5F3,stroke:#A1D7CD
+    style nest0_2 fill:#E4E0DF,stroke:#BDAFA8
+    style nest0_3 fill:#EDF5F3,stroke:#A1D7CD
+    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:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#BDAFA8,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:#94C0C0,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:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,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:#BDAFA8,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_129.txt b/test/mermaid/medium/mermaid_129.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bedce691c9dd9c0ce88d21c387b7ceacc5b3b79d
--- /dev/null
+++ b/test/mermaid/medium/mermaid_129.txt
@@ -0,0 +1,25 @@
+<Aquifer Recharge, connectedTo, Flood Control>
+<Aquifer Recharge, connectedTo, Transboundary Water Management>
+<Aquifer Recharge, connectedTo, Water Infrastructure Maintenance>
+<Aquifer Recharge, connectedTo, Water Meter Reading>
+<Billing and Revenue Management, partOf, Water Distribution>
+<Billing and Revenue Management, tests, Flood Control>
+<Drought Management, connectedTo, Wastewater Treatment>
+<Flood Control, connectedTo, Greywater Recycling>
+<Flood Control, connectedTo, Wastewater Collection>
+<Greywater Recycling, connectedTo, Billing and Revenue Management>
+<Greywater Recycling, partOf, Water Distribution>
+<Irrigation Management, collects, Water Infrastructure Maintenance>
+<Irrigation Management, connectedTo, Aquifer Recharge>
+<Rainwater Harvesting, connectedTo, Watershed Management>
+<Reservoir Operation, connectedTo, Irrigation Management>
+<Wastewater Collection, distributes, Water Rights Management>
+<Wastewater Collection, irrigates, Water Infrastructure Maintenance>
+<Wastewater Treatment, connectedTo, Water Meter Reading>
+<Water Conservation Planning, connectedTo, Transboundary Water Management>
+<Water Conservation Planning, conserves, Water Infrastructure Maintenance>
+<Water Conservation Planning, designs, Drought Management>
+<Water Infrastructure Maintenance, maintains, Drought Management>
+<Water Meter Reading, connectedTo, Transboundary Water Management>
+<Water Rights Management, connectedTo, Water Conservation Planning>
+<Watershed Management, connectedTo, Reservoir Operation>
diff --git a/test/mermaid/medium/mermaid_130.mmd b/test/mermaid/medium/mermaid_130.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..7c35c08169701ef584e19193a51c4ef6b8fb172e
--- /dev/null
+++ b/test/mermaid/medium/mermaid_130.mmd
@@ -0,0 +1,88 @@
+graph LR
+    N0([start])
+    N1[Textile Recycling]
+    N2[/Life Cycle Assessment/]
+    N3(Reprocessing into Raw Material)
+    N4[(Product Design for Recyclability)]
+    N5(Closed_Loop Material Flow)
+    N6[Energy Recovery from Non_Recyclables]
+    N7([Chemical Recycling])
+    N8([Plastic Recycling])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Public Recycling Programs
+        nest0_0(Recycling Policy Advocacy)
+        nest0_1{Mechanical Recycling}
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    nest0_0 -.-> |subsidizes| nest0_1
+    N6 --> nest0_0
+    nest0_1 -.-> N4
+    N1 -.-> S0
+    S0 --> |forms| N6
+    S0 -.-> N7
+    S0 --> N5
+    N0 -.-> S1
+    S1 -.-> |optimizes| N2
+    S1 --> N5
+    S1 -.-> N6
+    N1 --> M0
+    N3 --> |collects| M0
+    N2 --> M0
+    M0 --> N5
+    N0 -.-> M1
+    N1 --> M1
+    N2 -.-> |classifies| M1
+    M1 --> N4
+    style N0 fill:#D0E0F8,stroke:#4285F4
+    style N1 fill:#FFF3E0,stroke:#FFA726
+    style N2 fill:#FFF3E0,stroke:#FFA726
+    style N3 fill:#FFF3E0,stroke:#FFA726
+    style N4 fill:#FFF3E0,stroke:#FFA726
+    style N5 fill:#F6F6F6,stroke:#CFCFCF
+    style N6 fill:#F6F6F6,stroke:#CFCFCF
+    style N7 fill:#FFF3E0,stroke:#FFA726
+    style N8 fill:#F6F6F6,stroke:#CFCFCF
+    style S0 fill:#D0E0F8,stroke:#4285F4
+    style S1 fill:#F6F6F6,stroke:#CFCFCF
+    style M0 fill:#F6F6F6,stroke:#CFCFCF
+    style M1 fill:#D0E0F8,stroke:#4285F4
+    style nest0_0 fill:#FFF3E0,stroke:#FFA726
+    style nest0_1 fill:#D0E0F8,stroke:#4285F4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,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:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#4285F4,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:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#FFA726,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_133.txt b/test/mermaid/medium/mermaid_133.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a3378df0bc8648ed3f31a056385b60f01efc8253
--- /dev/null
+++ b/test/mermaid/medium/mermaid_133.txt
@@ -0,0 +1,20 @@
+<Biodiversity Conservation in Forests, manages, Biomass Production from Forests>
+<Biodiversity Conservation in Forests, partOf, Forest Road Construction>
+<Biomass Production from Forests, connectedTo, Sustainable Forest Management>
+<Biomass Production from Forests, partOf, Forest Road Construction>
+<Forest Fire Management, connectedTo, Watershed Protection>
+<Forest Research, connectedTo, Public Access Management>
+<Forest Research, prevents, Forest Fire Management>
+<Non_Timber Forest Product Collection, connectedTo, Forest Fire Management>
+<Non_Timber Forest Product Collection, connectedTo, Forest Research>
+<Non_Timber Forest Product Collection, connectedTo, Watershed Protection>
+<Non_Timber Forest Product Collection, connectedTo, Wildlife Habitat Management>
+<Public Access Management, harvests, Biodiversity Conservation in Forests>
+<Public Access Management, partOf, Forest Road Construction>
+<Sustainable Forest Management, connectedTo, Wildlife Habitat Management>
+<Sustainable Forest Management, partOf, Forest Road Construction>
+<Wildlife Habitat Management, connectedTo, Forest Research>
+<Wildlife Habitat Management, connectedTo, Watershed Protection>
+<Wildlife Habitat Management, sells, Forest Fire Management>
+<start, connectedTo, Forest Fire Management>
+<start, maintains, Non_Timber Forest Product Collection>
diff --git a/test/mermaid/medium/mermaid_134.txt b/test/mermaid/medium/mermaid_134.txt
new file mode 100644
index 0000000000000000000000000000000000000000..301721fd7b9454694c9785b65aa77b5e0b39621c
--- /dev/null
+++ b/test/mermaid/medium/mermaid_134.txt
@@ -0,0 +1,18 @@
+<Agroforestry Systems, connectedTo, Forestry Education>
+<Agroforestry Systems, connectedTo, Sawmill Processing>
+<Drone Surveying for Forests, connectedTo, Tree Planting>
+<Forestry Education, connectedTo, Drone Surveying for Forests>
+<Forestry Equipment Maintenance, connectedTo, Urban Forestry Management>
+<Forestry Equipment Maintenance, conserves, Forestry Education>
+<Indigenous Forestry Practices, connectedTo, Forest Research>
+<Sawmill Processing, connectedTo, Forestry Equipment Maintenance>
+<Sawmill Processing, sustains, Forestry Education>
+<Sustainable Forest Management, connectedTo, Tree Nursery Management>
+<Sustainable Forest Management, partOf, Forestry Policy Development>
+<Tree Nursery Management, connectedTo, Drone Surveying for Forests>
+<Tree Nursery Management, partOf, Forestry Policy Development>
+<Tree Planting, connectedTo, Sustainable Forest Management>
+<Tree Planting, measures, Indigenous Forestry Practices>
+<Urban Forestry Management, connectedTo, Forest Research>
+<Urban Forestry Management, connectedTo, Forestry Education>
+<Urban Forestry Management, connectedTo, Tree Planting>
diff --git a/test/mermaid/medium/mermaid_138.mmd b/test/mermaid/medium/mermaid_138.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..a317db5e6bbba042fd191f18e07a79f2ea27c6f5
--- /dev/null
+++ b/test/mermaid/medium/mermaid_138.mmd
@@ -0,0 +1,74 @@
+graph TD
+    N0([start])
+    N1[[Public Health Vet Services]]
+    N2[/Pet Check_up/]
+    N3(Genetic Counseling for Animals)
+    N4([Wildlife Rehabilitation])
+    N5[Herd Health Programs]
+    N6[(Allergy Testing)]
+    N7[/Reproductive Services/]
+    N8(Livestock Disease Prevention)
+    N9([end])
+    S0(( ))
+    S1(( ))
+    subgraph Pre_surgical Assessment
+        nest0_0([Client Communication])
+        nest0_1(Euthanasia Services)
+        nest0_2(Pain Management)
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> |admits| N4
+    N4 --> |consults| N5
+    N5 --> |treats| N6
+    N6 --> |monitors| N7
+    N7 -.-> |communicates| N8
+    N8 --> N9
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    N7 -.-> nest0_0
+    nest0_2 --> N7
+    N0 --> S0
+    S0 --> N9
+    S0 -.-> N6
+    S0 -.-> N8
+    N4 -.-> S1
+    S1 --> N8
+    S1 -.-> N9
+    style N0 fill:#F8FDD3,stroke:#D3EB9F
+    style N1 fill:#F8FDD3,stroke:#D3EB9F
+    style N2 fill:#F1F8E9,stroke:#81C784
+    style N3 fill:#F8FDD3,stroke:#D3EB9F
+    style N4 fill:#F8FDD3,stroke:#D3EB9F
+    style N5 fill:#F1F8E9,stroke:#81C784
+    style N6 fill:#ECF0FD,stroke:#B8C0F5
+    style N7 fill:#F1F8E9,stroke:#81C784
+    style N8 fill:#ECF0FD,stroke:#B8C0F5
+    style N9 fill:#F8FDD3,stroke:#D3EB9F
+    style S0 fill:#F1F8E9,stroke:#81C784
+    style S1 fill:#F8FDD3,stroke:#D3EB9F
+    style nest0_0 fill:#F1F8E9,stroke:#81C784
+    style nest0_1 fill:#F1F8E9,stroke:#81C784
+    style nest0_2 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:#D3EB9F,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:#81C784,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#81C784,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:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#B8C0F5,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:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#B8C0F5,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/medium/mermaid_138.txt b/test/mermaid/medium/mermaid_138.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e1e00e3f3ea4bc5c9531e7364bc8db95a8d350b7
--- /dev/null
+++ b/test/mermaid/medium/mermaid_138.txt
@@ -0,0 +1,21 @@
+<Allergy Testing, monitors, Reproductive Services>
+<Client Communication, connectedTo, Euthanasia Services>
+<Client Communication, partOf, Pre_surgical Assessment>
+<Euthanasia Services, connectedTo, Pain Management>
+<Euthanasia Services, partOf, Pre_surgical Assessment>
+<Genetic Counseling for Animals, admits, Wildlife Rehabilitation>
+<Herd Health Programs, treats, Allergy Testing>
+<Livestock Disease Prevention, connectedTo, end>
+<Pain Management, connectedTo, Reproductive Services>
+<Pain Management, partOf, Pre_surgical Assessment>
+<Pet Check_up, connectedTo, Genetic Counseling for Animals>
+<Public Health Vet Services, connectedTo, Pet Check_up>
+<Reproductive Services, communicates, Livestock Disease Prevention>
+<Reproductive Services, connectedTo, Client Communication>
+<Wildlife Rehabilitation, connectedTo, Livestock Disease Prevention>
+<Wildlife Rehabilitation, connectedTo, end>
+<Wildlife Rehabilitation, consults, Herd Health Programs>
+<start, connectedTo, Allergy Testing>
+<start, connectedTo, Livestock Disease Prevention>
+<start, connectedTo, Public Health Vet Services>
+<start, connectedTo, end>
diff --git a/test/mermaid/medium/mermaid_140.mmd b/test/mermaid/medium/mermaid_140.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..35b3c9f1c8546557a5c1d4e1fcae990732e7a706
--- /dev/null
+++ b/test/mermaid/medium/mermaid_140.mmd
@@ -0,0 +1,80 @@
+graph BT
+    N0([start])
+    N1(Child Development Assessment)
+    N2[[Sensory Play]]
+    N3{Enrollment and Admissions}
+    N4[/Learning Material Selection/]
+    N5[Field Trip Organization]
+    N6[[Parent Communication]]
+    N7(Diaper Changing)
+    N8[/Music and Movement Activities/]
+    N9[Child Psychology Application]
+    N10[Nap Time Supervision]
+    N11[/Hygiene Practices/]
+    N12([Social Skill Development])
+    S0(( ))
+    M0(( ))
+    subgraph Childcare Facility Licensing
+        nest0_0[/Group Activities Coordination/]
+        nest0_1[Nutritional Meal Preparation]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> |engages| N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 --> N10
+    N10 --> N11
+    N11 -.-> |reports| N12
+    nest0_0 --> nest0_1
+    N6 --> nest0_0
+    nest0_1 -.-> N2
+    N1 -.-> S0
+    S0 --> N5
+    S0 --> N6
+    N8 --> |guides| M0
+    N9 --> M0
+    M0 -.-> N11
+    style N0 fill:#C5CAE9,stroke:#3F51B5
+    style N1 fill:#FFE88D,stroke:#FFDA4E
+    style N2 fill:#FFE88D,stroke:#FFDA4E
+    style N3 fill:#F8FDD3,stroke:#D3EB9F
+    style N4 fill:#F8FDD3,stroke:#D3EB9F
+    style N5 fill:#FFE88D,stroke:#FFDA4E
+    style N6 fill:#FFE88D,stroke:#FFDA4E
+    style N7 fill:#FFE88D,stroke:#FFDA4E
+    style N8 fill:#FFE88D,stroke:#FFDA4E
+    style N9 fill:#C5CAE9,stroke:#3F51B5
+    style N10 fill:#FFE88D,stroke:#FFDA4E
+    style N11 fill:#FFE88D,stroke:#FFDA4E
+    style N12 fill:#F8FDD3,stroke:#D3EB9F
+    style S0 fill:#C5CAE9,stroke:#3F51B5
+    style M0 fill:#F8FDD3,stroke:#D3EB9F
+    style nest0_0 fill:#FFE88D,stroke:#FFDA4E
+    style nest0_1 fill:#C5CAE9,stroke:#3F51B5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#D3EB9F,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:#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:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFDA4E,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#3F51B5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_143.txt b/test/mermaid/medium/mermaid_143.txt
new file mode 100644
index 0000000000000000000000000000000000000000..42e6d6a090f87f893cd3ba4572c08734cd74e421
--- /dev/null
+++ b/test/mermaid/medium/mermaid_143.txt
@@ -0,0 +1,20 @@
+<Chronic Disease Management, connectedTo, Family Communication>
+<Chronic Disease Management, connectedTo, end>
+<Daily Living Assistance, connectedTo, Transportation Assistance>
+<Dementia Care, dresses, Mobility Support>
+<Dementia Care, partOf, Safety Assessments>
+<Emotional Support and Counseling, partOf, Safety Assessments>
+<Emotional Support and Counseling, plans, Rehabilitation Support>
+<Family Communication, connectedTo, end>
+<Mobility Support, connectedTo, Daily Living Assistance>
+<Pain Management, connectedTo, Chronic Disease Management>
+<Palliative Care, connectedTo, Emotional Support and Counseling>
+<Palliative Care, oversees, Pain Management>
+<Rehabilitation Support, connectedTo, Dementia Care>
+<Rehabilitation Support, partOf, Safety Assessments>
+<Transportation Assistance, communicates, Palliative Care>
+<Transportation Assistance, connectedTo, end>
+<start, connectedTo, Pain Management>
+<start, connectedTo, end>
+<start, secures, Mobility Support>
+<start, supports, end>
diff --git a/test/mermaid/medium/mermaid_144.mmd b/test/mermaid/medium/mermaid_144.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b8539eb997877541d5a1d117ceac59a217880905
--- /dev/null
+++ b/test/mermaid/medium/mermaid_144.mmd
@@ -0,0 +1,86 @@
+graph BT
+    N0([Smart Home Integration for Seniors])
+    N1(Dementia Care)
+    N2[Emotional Support and Counseling]
+    N3[[Rehabilitation Support]]
+    N4([Incontinence Care])
+    N5{Chronic Disease Management}
+    N6[[Fall Prevention]]
+    N7[Speech Therapy]
+    N8[/Elder Abuse Prevention/]
+    N9([end])
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    subgraph Health Monitoring
+        nest0_0([Nursing Care])
+        nest0_1[[Caregiver Training]]
+        nest0_2[/Emergency Response System Monitoring/]
+        nest0_3[Cognitive Stimulation Activities]
+    end
+    N0 --> N1
+    N1 --> |manages| N2
+    N2 -.-> |recommends| N3
+    N3 --> N4
+    N4 --> |oversees| N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> |prevents| N8
+    N8 --> |assesses| N9
+    nest0_0 -.-> nest0_1
+    nest0_1 --> |cares for| nest0_2
+    nest0_2 -.-> nest0_3
+    N1 --> nest0_0
+    nest0_3 --> |accompanies| N4
+    N3 --> S0
+    S0 -.-> N9
+    S0 --> N7
+    N1 --> S1
+    S1 -.-> N8
+    S1 --> |feeds| N7
+    N3 -.-> M1
+    N1 -.-> M1
+    N0 -.-> M1
+    M1 -.-> N7
+    style N0 fill:#FDFCEB,stroke:#EAEFA5
+    style N1 fill:#D3F7F9,stroke:#80DDEA
+    style N2 fill:#C5CAE9,stroke:#3F51B5
+    style N3 fill:#FDFCEB,stroke:#EAEFA5
+    style N4 fill:#FDFCEB,stroke:#EAEFA5
+    style N5 fill:#FDFCEB,stroke:#EAEFA5
+    style N6 fill:#FDFCEB,stroke:#EAEFA5
+    style N7 fill:#C5CAE9,stroke:#3F51B5
+    style N8 fill:#C5CAE9,stroke:#3F51B5
+    style N9 fill:#FDFCEB,stroke:#EAEFA5
+    style S0 fill:#D3F7F9,stroke:#80DDEA
+    style S1 fill:#D3F7F9,stroke:#80DDEA
+    style M1 fill:#FDFCEB,stroke:#EAEFA5
+    style nest0_0 fill:#C5CAE9,stroke:#3F51B5
+    style nest0_1 fill:#C5CAE9,stroke:#3F51B5
+    style nest0_2 fill:#D3F7F9,stroke:#80DDEA
+    style nest0_3 fill:#FDFCEB,stroke:#EAEFA5
+    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:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#3F51B5,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:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#80DDEA,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:#EAEFA5,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:#80DDEA,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#80DDEA,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_144.txt b/test/mermaid/medium/mermaid_144.txt
new file mode 100644
index 0000000000000000000000000000000000000000..37804f380e54a4640f9ca9126e8f2e6333e2efc5
--- /dev/null
+++ b/test/mermaid/medium/mermaid_144.txt
@@ -0,0 +1,24 @@
+<Caregiver Training, cares for, Emergency Response System Monitoring>
+<Caregiver Training, partOf, Health Monitoring>
+<Chronic Disease Management, connectedTo, Fall Prevention>
+<Cognitive Stimulation Activities, accompanies, Incontinence Care>
+<Cognitive Stimulation Activities, partOf, Health Monitoring>
+<Dementia Care, connectedTo, Elder Abuse Prevention>
+<Dementia Care, connectedTo, Nursing Care>
+<Dementia Care, connectedTo, Speech Therapy>
+<Dementia Care, feeds, Speech Therapy>
+<Dementia Care, manages, Emotional Support and Counseling>
+<Elder Abuse Prevention, assesses, end>
+<Emergency Response System Monitoring, connectedTo, Cognitive Stimulation Activities>
+<Emergency Response System Monitoring, partOf, Health Monitoring>
+<Emotional Support and Counseling, recommends, Rehabilitation Support>
+<Fall Prevention, connectedTo, Speech Therapy>
+<Incontinence Care, oversees, Chronic Disease Management>
+<Nursing Care, connectedTo, Caregiver Training>
+<Nursing Care, partOf, Health Monitoring>
+<Rehabilitation Support, connectedTo, Incontinence Care>
+<Rehabilitation Support, connectedTo, Speech Therapy>
+<Rehabilitation Support, connectedTo, end>
+<Smart Home Integration for Seniors, connectedTo, Dementia Care>
+<Smart Home Integration for Seniors, connectedTo, Speech Therapy>
+<Speech Therapy, prevents, Elder Abuse Prevention>
diff --git a/test/mermaid/medium/mermaid_145.mmd b/test/mermaid/medium/mermaid_145.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..2c69b49316f7b9fe40f0c02be8cfca116ff7ea0a
--- /dev/null
+++ b/test/mermaid/medium/mermaid_145.mmd
@@ -0,0 +1,76 @@
+graph BT
+    N0([Hazard Identification])
+    N1[(Public Awareness Campaigns)]
+    N2{Shelter Management}
+    N3[(Psychosocial Support)]
+    N4([Search and Rescue Operations])
+    N5(Infrastructure Repair)
+    N6(Incident Command System)
+    N7([Recovery Planning])
+    N8([Volunteer Coordination])
+    N9[[Vulnerability Analysis]]
+    N10[(Climate Change Adaptation for Disasters)]
+    N11([end])
+    S1(( ))
+    subgraph Reconstruction
+        nest0_0[(Drone Deployment for Assessment)]
+        nest0_1{Cash Transfer Programs}
+        nest0_2(Early Warning Systems)
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> |protects| N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 -.-> |drills| N10
+    N10 -.-> N11
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    N1 -.-> |communicates| nest0_0
+    nest0_2 -.-> N1
+    N3 -.-> S1
+    S1 -.-> N10
+    S1 -.-> |rebuilds| N7
+    N9 -.-> |restores| nest0_1
+    N8 -.-> |trains| N10
+    style N0 fill:#C5CAE9,stroke:#3F51B5
+    style N1 fill:#FFFCE6,stroke:#FFF9AE
+    style N2 fill:#FFCDD2,stroke:#F44336
+    style N3 fill:#FFFCE6,stroke:#FFF9AE
+    style N4 fill:#C5CAE9,stroke:#3F51B5
+    style N5 fill:#C5CAE9,stroke:#3F51B5
+    style N6 fill:#C5CAE9,stroke:#3F51B5
+    style N7 fill:#FFCDD2,stroke:#F44336
+    style N8 fill:#C5CAE9,stroke:#3F51B5
+    style N9 fill:#C5CAE9,stroke:#3F51B5
+    style N10 fill:#C5CAE9,stroke:#3F51B5
+    style N11 fill:#C5CAE9,stroke:#3F51B5
+    style S1 fill:#FFCDD2,stroke:#F44336
+    style nest0_0 fill:#C5CAE9,stroke:#3F51B5
+    style nest0_1 fill:#FFCDD2,stroke:#F44336
+    style nest0_2 fill:#C5CAE9,stroke:#3F51B5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#F44336,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:#FFF9AE,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:#3F51B5,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:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#F44336,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:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#F44336,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_146.mmd b/test/mermaid/medium/mermaid_146.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..645ec4d5f0ae27442e9d3a569c5317fd46d339f4
--- /dev/null
+++ b/test/mermaid/medium/mermaid_146.mmd
@@ -0,0 +1,96 @@
+graph RL
+    N0([Evacuation Procedures])
+    N1[[Incident Command System]]
+    N2[Emergency Planning]
+    N3[[Early Recovery Actions]]
+    N4[[Cash Transfer Programs]]
+    N5[[Volunteer Coordination]]
+    N6[[Early Warning Systems]]
+    N7([Medical Aid Deployment])
+    N8[International Aid Coordination]
+    N9{Environmental Remediation}
+    N10([Mitigation Strategies])
+    N11[/Post_Disaster Evaluation/]
+    N12([Search and Rescue Operations])
+    S0(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Geographic Information Systems for Disasters
+        nest0_0[[Shelter Management]]
+        nest0_1[/Capacity Building for Local Communities/]
+        nest0_2[Climate Change Adaptation for Disasters]
+        nest0_3{Debris Management}
+    end
+    N0 -.-> |plans| N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> |secures| N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 -.-> |warns| N12
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> nest0_3
+    N3 -.-> |identifies| nest0_0
+    nest0_3 --> N12
+    N1 --> S0
+    S0 --> |mobilizes| N3
+    S0 -.-> |restores| N7
+    N2 -.-> |analyzes| M0
+    N0 --> M0
+    M0 --> N5
+    N1 -.-> M1
+    N0 --> M1
+    M1 --> N3
+    style N0 fill:#F5F5F5,stroke:#BDBDBD
+    style N1 fill:#D6D9F0,stroke:#9FA9E1
+    style N2 fill:#D6D9F0,stroke:#9FA9E1
+    style N3 fill:#FFF3E0,stroke:#FFB74D
+    style N4 fill:#FFF3E0,stroke:#FFB74D
+    style N5 fill:#F5F5F5,stroke:#BDBDBD
+    style N6 fill:#D6D9F0,stroke:#9FA9E1
+    style N7 fill:#FFF3E0,stroke:#FFB74D
+    style N8 fill:#FFF3E0,stroke:#FFB74D
+    style N9 fill:#FFF3E0,stroke:#FFB74D
+    style N10 fill:#F5F5F5,stroke:#BDBDBD
+    style N11 fill:#F5F5F5,stroke:#BDBDBD
+    style N12 fill:#FFF3E0,stroke:#FFB74D
+    style S0 fill:#D6D9F0,stroke:#9FA9E1
+    style M0 fill:#FFF3E0,stroke:#FFB74D
+    style M1 fill:#D6D9F0,stroke:#9FA9E1
+    style nest0_0 fill:#FFF3E0,stroke:#FFB74D
+    style nest0_1 fill:#FFF3E0,stroke:#FFB74D
+    style nest0_2 fill:#FFF3E0,stroke:#FFB74D
+    style nest0_3 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:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#BDBDBD,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:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFB74D,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#9FA9E1,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_148.txt b/test/mermaid/medium/mermaid_148.txt
new file mode 100644
index 0000000000000000000000000000000000000000..be392d4c694fc3bf85ff118c0cf5de9fb256533d
--- /dev/null
+++ b/test/mermaid/medium/mermaid_148.txt
@@ -0,0 +1,25 @@
+<Civil_Military Cooperation, communicates, Rules of Engagement>
+<Civil_Military Cooperation, connectedTo, Space Operations>
+<Civil_Military Cooperation, enforces, Weapon Systems Development>
+<Combat Operations, connectedTo, Troop Deployment>
+<Equipment Maintenance, connectedTo, Personnel Management>
+<Equipment Maintenance, connectedTo, Space Operations>
+<Equipment Maintenance, connectedTo, Surveillance>
+<Equipment Maintenance, plans, Unmanned Systems Operation>
+<Family Support Programs, connectedTo, Civil_Military Cooperation>
+<Logistics Support, connectedTo, Civil_Military Cooperation>
+<Logistics Support, connectedTo, Combat Operations>
+<Medical Support, connectedTo, Rules of Engagement>
+<Medical Support, partOf, Ground Operations>
+<Military Strategy Development, connectedTo, Logistics Support>
+<Personnel Management, executes, Military Strategy Development>
+<Reconnaissance, connectedTo, Equipment Maintenance>
+<Rules of Engagement, connectedTo, Space Operations>
+<Space Operations, connectedTo, Operations Planning>
+<Surveillance, connectedTo, Medical Support>
+<Surveillance, partOf, Ground Operations>
+<Troop Deployment, connectedTo, Family Support Programs>
+<Troop Deployment, coordinates, Civil_Military Cooperation>
+<Unmanned Systems Operation, operates, Veteran Support>
+<Veteran Support, connectedTo, Rules of Engagement>
+<Weapon Systems Development, connectedTo, Unmanned Systems Operation>
diff --git a/test/mermaid/medium/mermaid_15.mmd b/test/mermaid/medium/mermaid_15.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..9347b756c384824bde06b1f24bbef34eccb29c5f
--- /dev/null
+++ b/test/mermaid/medium/mermaid_15.mmd
@@ -0,0 +1,82 @@
+graph RL
+    N0([start])
+    N1([Subscription Service])
+    N2[(Customer Inquiry)]
+    N3[/Wishlist Management/]
+    N4(Delivery Tracking)
+    N5(Invoice Generation)
+    N6[/Loyalty Points/]
+    N7[Customer Review]
+    N8[(User Account Management)]
+    N9(Fraud Detection)
+    N10([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Payment Gateway Reconciliation
+        nest0_0[(Stock Replenishment)]
+        nest0_1[Add to Cart]
+    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 -.-> |delivers| nest0_0
+    nest0_1 -.-> N3
+    N3 -.-> S0
+    S0 -.-> N7
+    S0 -.-> N9
+    S0 --> |recommends| N5
+    N3 --> S1
+    S1 -.-> N10
+    S1 -.-> |pays| N7
+    N1 --> M0
+    N0 -.-> |secures| M0
+    M0 -.-> N3
+    style N0 fill:#E0F2F1,stroke:#4DB6AC
+    style N1 fill:#E0F2F1,stroke:#4DB6AC
+    style N2 fill:#EFE6FF,stroke:#C2B2F0
+    style N3 fill:#C2E8E6,stroke:#61CAC3
+    style N4 fill:#EFE6FF,stroke:#C2B2F0
+    style N5 fill:#E0F2F1,stroke:#4DB6AC
+    style N6 fill:#EFE6FF,stroke:#C2B2F0
+    style N7 fill:#E0F2F1,stroke:#4DB6AC
+    style N8 fill:#E0F2F1,stroke:#4DB6AC
+    style N9 fill:#E0F2F1,stroke:#4DB6AC
+    style N10 fill:#C2E8E6,stroke:#61CAC3
+    style S0 fill:#EFE6FF,stroke:#C2B2F0
+    style S1 fill:#E0F2F1,stroke:#4DB6AC
+    style M0 fill:#E0F2F1,stroke:#4DB6AC
+    style nest0_0 fill:#EFE6FF,stroke:#C2B2F0
+    style nest0_1 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:#C2B2F0,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:#61CAC3,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:#000000,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:#4DB6AC,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:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#4DB6AC,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_150.mmd b/test/mermaid/medium/mermaid_150.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0646caa93f4259f4952d98f51dbcdb00ce2381d5
--- /dev/null
+++ b/test/mermaid/medium/mermaid_150.mmd
@@ -0,0 +1,56 @@
+graph TD
+    N0([Weapon Systems Development])
+    N1([Unmanned Systems Operation])
+    N2[Electronic Warfare]
+    N3(Ground Operations)
+    N4(Personnel Management)
+    N5(Medical Support)
+    N6([Military Law])
+    M0(( ))
+    M1(( ))
+    subgraph Surveillance
+        nest0_0{Chaplain Services}
+        nest0_1[Defense Procurement]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> |enforces| N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    nest0_0 --> nest0_1
+    N4 --> |inspects| nest0_0
+    nest0_1 --> N1
+    N0 -.-> M0
+    N2 -.-> |communicates| M0
+    M0 -.-> N5
+    N1 -.-> M1
+    N0 -.-> M1
+    M1 -.-> N3
+    style N0 fill:#FFEBEB,stroke:#FFC2C2
+    style N1 fill:#F0F0F0,stroke:#D2D2D2
+    style N2 fill:#F0F0F0,stroke:#D2D2D2
+    style N3 fill:#E8F5E9,stroke:#66BB6A
+    style N4 fill:#FFEBEB,stroke:#FFC2C2
+    style N5 fill:#F0F0F0,stroke:#D2D2D2
+    style N6 fill:#FFEBEB,stroke:#FFC2C2
+    style M0 fill:#E8F5E9,stroke:#66BB6A
+    style M1 fill:#F0F0F0,stroke:#D2D2D2
+    style nest0_0 fill:#FFEBEB,stroke:#FFC2C2
+    style nest0_1 fill:#FFEBEB,stroke:#FFC2C2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFC2C2,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:#D2D2D2,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:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFC2C2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_150.txt b/test/mermaid/medium/mermaid_150.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5c776f3e271deaaf5ef0ae0b49b223f51e7011d4
--- /dev/null
+++ b/test/mermaid/medium/mermaid_150.txt
@@ -0,0 +1,15 @@
+<Chaplain Services, connectedTo, Defense Procurement>
+<Chaplain Services, partOf, Surveillance>
+<Defense Procurement, connectedTo, Unmanned Systems Operation>
+<Defense Procurement, partOf, Surveillance>
+<Electronic Warfare, communicates, Medical Support>
+<Electronic Warfare, enforces, Ground Operations>
+<Ground Operations, connectedTo, Personnel Management>
+<Medical Support, connectedTo, Military Law>
+<Personnel Management, connectedTo, Medical Support>
+<Personnel Management, inspects, Chaplain Services>
+<Unmanned Systems Operation, connectedTo, Electronic Warfare>
+<Unmanned Systems Operation, connectedTo, Ground Operations>
+<Weapon Systems Development, connectedTo, Ground Operations>
+<Weapon Systems Development, connectedTo, Medical Support>
+<Weapon Systems Development, connectedTo, Unmanned Systems Operation>
diff --git a/test/mermaid/medium/mermaid_151.mmd b/test/mermaid/medium/mermaid_151.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..9eac98ff74ed8104c087ba27060da0612be16b83
--- /dev/null
+++ b/test/mermaid/medium/mermaid_151.mmd
@@ -0,0 +1,72 @@
+graph TD
+    N0([start])
+    N1[/Aerospace Engineering/]
+    N2([Noise Abatement Procedures])
+    N3(Unmanned Aerial Vehicle Integration)
+    N4[(Air Cargo Logistics)]
+    N5([Flight Planning])
+    N6[[Route Optimization]]
+    N7([Pilot Training])
+    N8(Aircraft Manufacturing)
+    N9[/Weather Briefing/]
+    N10(Navigation System Check)
+    N11[/Ground Support/]
+    N12([end])
+    S0(( ))
+    M0(( ))
+    subgraph Remote Tower Operations
+        nest0_0[[Crew Scheduling]]
+        nest0_1[[Security Screening]]
+        nest0_2[/Air Traffic Control/]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> |yes| N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> |no| N9
+    N9 -.-> N10
+    N10 -.-> |no| N11
+    N11 -.-> N12
+    nest0_0 --> nest0_1
+    nest0_1 --> |yes| nest0_2
+    N1 -.-> nest0_0
+    nest0_2 -.-> |no| N10
+    N7 --> S0
+    S0 -.-> |no| N9
+    S0 -.-> N12
+    S0 --> N11
+    N3 --> M0
+    N1 --> M0
+    N2 -.-> M0
+    M0 -.-> N8
+    style S0 fill:#F8FDD3,stroke:#D3EB9F
+    style M0 fill:#F8FDD3,stroke:#D3EB9F
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFC2C2,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:#D3EB9F,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:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFC2C2,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:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#2196F3,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#D3EB9F,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_152.txt b/test/mermaid/medium/mermaid_152.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c354e5f486f0e82c5e82aab5bb66a5be6c0a71ab
--- /dev/null
+++ b/test/mermaid/medium/mermaid_152.txt
@@ -0,0 +1,25 @@
+<Aerospace Engineering, trains, Emergency Procedures Training>
+<Aircraft Maintenance, connectedTo, Fueling Operations>
+<Aircraft Maintenance, partOf, Aircraft De_icing>
+<Aircraft Manufacturing, flies, In_flight Service>
+<Airworthiness Certification, plans, end>
+<Avionics Repair, designs, Pilot Training>
+<Baggage Handling, connectedTo, Passenger Boarding>
+<Emergency Procedures Training, connectedTo, Flight Planning>
+<Emergency Procedures Training, connectedTo, Security Screening>
+<Flight Planning, partOf, Aircraft De_icing>
+<Flight Planning, responds, Aircraft Maintenance>
+<Fueling Operations, investigates, Gate Assignment>
+<Fueling Operations, partOf, Aircraft De_icing>
+<Gate Assignment, connectedTo, Avionics Repair>
+<Gate Assignment, partOf, Aircraft De_icing>
+<In_flight Service, connectedTo, Baggage Handling>
+<Passenger Boarding, connectedTo, Avionics Repair>
+<Passenger Check_in, connectedTo, Route Optimization>
+<Pilot Training, connectedTo, Passenger Check_in>
+<Route Optimization, connectedTo, Emergency Procedures Training>
+<Route Optimization, connectedTo, Runway Management>
+<Route Optimization, guides, end>
+<Runway Management, maintains, end>
+<Runway Management, services, Aerospace Engineering>
+<Security Screening, connectedTo, Airworthiness Certification>
diff --git a/test/mermaid/medium/mermaid_153.mmd b/test/mermaid/medium/mermaid_153.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..fcf7cf157e0f7774965b2b663a0d57e7241cad0a
--- /dev/null
+++ b/test/mermaid/medium/mermaid_153.mmd
@@ -0,0 +1,68 @@
+graph LR
+    N0([Aerospace Engineering])
+    N1([Airport Security Management])
+    N2[(Next_Generation Air Traffic Management)]
+    N3[(Flight Planning)]
+    N4(Navigation System Check)
+    N5([Sustainable Aviation Fuel Development])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Ground Support
+        nest0_0(Airworthiness Certification)
+        nest0_1{Air Cargo Logistics}
+        nest0_2(Crew Resource Management)
+        nest0_3[(Regulatory Compliance)]
+    end
+    N0 -.-> |alerts| N1
+    N1 --> N2
+    N2 -.-> |loads| N3
+    N3 --> N4
+    N4 -.-> N5
+    nest0_0 --> |designs| nest0_1
+    nest0_1 --> |investigates| nest0_2
+    nest0_2 -.-> |de_ices| nest0_3
+    N1 --> nest0_0
+    nest0_3 --> N5
+    N1 --> S0
+    S0 --> N5
+    S0 -.-> N4
+    N0 --> S1
+    S1 -.-> N3
+    S1 -.-> N2
+    N2 -.-> |secures| M0
+    N1 --> M0
+    M0 -.-> N4
+    style N0 fill:#FFCDD2,stroke:#F44336
+    style N1 fill:#F8BBD0,stroke:#E91E63
+    style N2 fill:#F8BBD0,stroke:#E91E63
+    style N3 fill:#D7CCC8,stroke:#795548
+    style N4 fill:#D7CCC8,stroke:#795548
+    style N5 fill:#FFCDD2,stroke:#F44336
+    style S0 fill:#FFCDD2,stroke:#F44336
+    style S1 fill:#F8BBD0,stroke:#E91E63
+    style M0 fill:#D7CCC8,stroke:#795548
+    style nest0_0 fill:#FFCDD2,stroke:#F44336
+    style nest0_1 fill:#F8BBD0,stroke:#E91E63
+    style nest0_2 fill:#D7CCC8,stroke:#795548
+    style nest0_3 fill:#F8BBD0,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:#F44336,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,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:#F44336,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#795548,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/medium/mermaid_157.mmd b/test/mermaid/medium/mermaid_157.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0ad953633cea4581f035a1603aec8d41c30076dd
--- /dev/null
+++ b/test/mermaid/medium/mermaid_157.mmd
@@ -0,0 +1,58 @@
+graph LR
+    N0([start])
+    N1([Direct Metal Laser Sintering])
+    N2{On_Demand Production}
+    N3[3D Printed Tooling]
+    N4([Quality Control])
+    N5[[Material Research and Development]]
+    N6([end])
+    M1(( ))
+    subgraph Reverse Engineering with 3D Printing
+        nest0_0[[Troubleshooting Print Errors]]
+        nest0_1[Medical Device Prototyping]
+        nest0_2(Maintenance and Repair of Printers)
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> |innovates| N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> |designs| N6
+    nest0_0 --> nest0_1
+    nest0_1 --> |licenses| nest0_2
+    N4 -.-> nest0_0
+    nest0_2 --> N4
+    N3 -.-> M1
+    N0 --> M1
+    M1 --> N5
+    nest0_2 -.-> nest0_0
+    N1 -.-> |manufactures| N3
+    nest0_0 -.-> |shares| N0
+    style N0 fill:#E9F7E8,stroke:#6EB76D
+    style N1 fill:#ECCFF5,stroke:#CD8FF2
+    style N2 fill:#FFECB3,stroke:#FFC107
+    style N3 fill:#FFECB3,stroke:#FFC107
+    style N4 fill:#E9F7E8,stroke:#6EB76D
+    style N5 fill:#E9F7E8,stroke:#6EB76D
+    style N6 fill:#E9F7E8,stroke:#6EB76D
+    style M1 fill:#E9F7E8,stroke:#6EB76D
+    style nest0_0 fill:#E9F7E8,stroke:#6EB76D
+    style nest0_1 fill:#ECCFF5,stroke:#CD8FF2
+    style nest0_2 fill:#FFECB3,stroke:#FFC107
+    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:#CD8FF2,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:#CD8FF2,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:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#CD8FF2,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:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_157.txt b/test/mermaid/medium/mermaid_157.txt
new file mode 100644
index 0000000000000000000000000000000000000000..213052f5eb9b67d375c68a001603e229d656abdb
--- /dev/null
+++ b/test/mermaid/medium/mermaid_157.txt
@@ -0,0 +1,18 @@
+<3D Printed Tooling, connectedTo, Material Research and Development>
+<3D Printed Tooling, connectedTo, Quality Control>
+<Direct Metal Laser Sintering, connectedTo, On_Demand Production>
+<Direct Metal Laser Sintering, manufactures, 3D Printed Tooling>
+<Maintenance and Repair of Printers, connectedTo, Quality Control>
+<Maintenance and Repair of Printers, connectedTo, Troubleshooting Print Errors>
+<Maintenance and Repair of Printers, partOf, Reverse Engineering with 3D Printing>
+<Material Research and Development, designs, end>
+<Medical Device Prototyping, licenses, Maintenance and Repair of Printers>
+<Medical Device Prototyping, partOf, Reverse Engineering with 3D Printing>
+<On_Demand Production, innovates, 3D Printed Tooling>
+<Quality Control, connectedTo, Material Research and Development>
+<Quality Control, connectedTo, Troubleshooting Print Errors>
+<Troubleshooting Print Errors, connectedTo, Medical Device Prototyping>
+<Troubleshooting Print Errors, partOf, Reverse Engineering with 3D Printing>
+<Troubleshooting Print Errors, shares, start>
+<start, connectedTo, Direct Metal Laser Sintering>
+<start, connectedTo, Material Research and Development>
diff --git a/test/mermaid/medium/mermaid_158.mmd b/test/mermaid/medium/mermaid_158.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1f146834e13758deddf366a174b7aba64e0f16b6
--- /dev/null
+++ b/test/mermaid/medium/mermaid_158.mmd
@@ -0,0 +1,96 @@
+graph TD
+    N0([Distributed Manufacturing])
+    N1[[Troubleshooting Print Errors]]
+    N2[Selective Laser Sintering]
+    N3(Multi_Material Printing)
+    N4([Medical Device Prototyping])
+    N5[Direct Metal Laser Sintering]
+    N6[Consumer Product Creation]
+    N7[[4D Printing]]
+    N8[[3D Printed Tooling]]
+    N9[Intellectual Property Protection for Designs]
+    N10{Stereolithography}
+    N11[/File Format Conversion/]
+    N12([Support Structure Design])
+    S0(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Sustainable 3D Printing Materials
+        nest0_0(Custom Part Production)
+        nest0_1(Bioprinting)
+        nest0_2[/Print Farm Management/]
+        nest0_3[Fused Deposition Modeling]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> |distributes| N3
+    N3 --> |educates| N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> |researches| N11
+    N11 -.-> N12
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> nest0_3
+    N2 --> |processes| nest0_0
+    nest0_3 --> |prototypes| N4
+    N9 --> S0
+    S0 --> |troubleshoots| N11
+    S0 --> N12
+    N0 --> M0
+    N1 --> |designs| M0
+    M0 --> N7
+    N3 -.-> M1
+    N1 -.-> |monitors| M1
+    M1 --> N5
+    style N0 fill:#EDE7F6,stroke:#7E57C2
+    style N1 fill:#FDFCEB,stroke:#EAEFA5
+    style N2 fill:#E0F2F1,stroke:#4DB6AC
+    style N3 fill:#EDE7F6,stroke:#7E57C2
+    style N4 fill:#E0F2F1,stroke:#4DB6AC
+    style N5 fill:#E0F2F1,stroke:#4DB6AC
+    style N6 fill:#FDFCEB,stroke:#EAEFA5
+    style N7 fill:#EDE7F6,stroke:#7E57C2
+    style N8 fill:#E0F2F1,stroke:#4DB6AC
+    style N9 fill:#FDFCEB,stroke:#EAEFA5
+    style N10 fill:#FDFCEB,stroke:#EAEFA5
+    style N11 fill:#EDE7F6,stroke:#7E57C2
+    style N12 fill:#E0F2F1,stroke:#4DB6AC
+    style S0 fill:#EDE7F6,stroke:#7E57C2
+    style M0 fill:#EDE7F6,stroke:#7E57C2
+    style M1 fill:#EDE7F6,stroke:#7E57C2
+    style nest0_0 fill:#EDE7F6,stroke:#7E57C2
+    style nest0_1 fill:#E0F2F1,stroke:#4DB6AC
+    style nest0_2 fill:#E0F2F1,stroke:#4DB6AC
+    style nest0_3 fill:#E0F2F1,stroke:#4DB6AC
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4DB6AC,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:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#4DB6AC,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:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#7E57C2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_158.txt b/test/mermaid/medium/mermaid_158.txt
new file mode 100644
index 0000000000000000000000000000000000000000..39d0447d2048e853d51a622373d13cd0ead4251f
--- /dev/null
+++ b/test/mermaid/medium/mermaid_158.txt
@@ -0,0 +1,27 @@
+<3D Printed Tooling, connectedTo, Intellectual Property Protection for Designs>
+<4D Printing, connectedTo, 3D Printed Tooling>
+<Bioprinting, connectedTo, Print Farm Management>
+<Bioprinting, partOf, Sustainable 3D Printing Materials>
+<Consumer Product Creation, connectedTo, 4D Printing>
+<Custom Part Production, connectedTo, Bioprinting>
+<Custom Part Production, partOf, Sustainable 3D Printing Materials>
+<Direct Metal Laser Sintering, connectedTo, Consumer Product Creation>
+<Distributed Manufacturing, connectedTo, 4D Printing>
+<Distributed Manufacturing, connectedTo, Troubleshooting Print Errors>
+<File Format Conversion, connectedTo, Support Structure Design>
+<Fused Deposition Modeling, partOf, Sustainable 3D Printing Materials>
+<Fused Deposition Modeling, prototypes, Medical Device Prototyping>
+<Intellectual Property Protection for Designs, connectedTo, Stereolithography>
+<Intellectual Property Protection for Designs, connectedTo, Support Structure Design>
+<Intellectual Property Protection for Designs, troubleshoots, File Format Conversion>
+<Medical Device Prototyping, connectedTo, Direct Metal Laser Sintering>
+<Multi_Material Printing, connectedTo, Direct Metal Laser Sintering>
+<Multi_Material Printing, educates, Medical Device Prototyping>
+<Print Farm Management, connectedTo, Fused Deposition Modeling>
+<Print Farm Management, partOf, Sustainable 3D Printing Materials>
+<Selective Laser Sintering, distributes, Multi_Material Printing>
+<Selective Laser Sintering, processes, Custom Part Production>
+<Stereolithography, researches, File Format Conversion>
+<Troubleshooting Print Errors, connectedTo, Selective Laser Sintering>
+<Troubleshooting Print Errors, designs, 4D Printing>
+<Troubleshooting Print Errors, monitors, Direct Metal Laser Sintering>
diff --git a/test/mermaid/medium/mermaid_16.mmd b/test/mermaid/medium/mermaid_16.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c709fc29a27bbb86fcefb8efaa73be81830ebcca
--- /dev/null
+++ b/test/mermaid/medium/mermaid_16.mmd
@@ -0,0 +1,88 @@
+graph LR
+    N0([start])
+    N1(Traffic Monitoring)
+    N2(Intermodal Transfer)
+    N3([Cargo Loading])
+    N4[Vehicle Assignment]
+    N5([Train Dispatch])
+    N6(Navigation Update)
+    N7(Vehicle Tracking)
+    N8([Luggage Handling])
+    N9(Location Input)
+    N10[[Electric Vehicle Charging]]
+    N11([Bus Stop Management])
+    N12([Maintenance Check])
+    S0(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Ride_sharing Request
+        nest0_0[[Fleet Management]]
+        nest0_1{Air Traffic Control}
+    end
+    N0 -.-> N1
+    N1 -.-> |loads| N2
+    N2 --> |insures| N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> |communicates| N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 --> |updates| N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 --> N12
+    nest0_0 -.-> nest0_1
+    N4 -.-> nest0_0
+    nest0_1 --> |diversifies| N10
+    N2 -.-> S0
+    S0 --> N8
+    S0 -.-> N12
+    N3 --> M0
+    N4 -.-> |routes| M0
+    M0 --> N7
+    N0 --> |tracks| M1
+    N3 --> M1
+    M1 --> N7
+    style N0 fill:#B3E5FC,stroke:#03A9F4
+    style N1 fill:#FFFDE7,stroke:#FFF176
+    style N2 fill:#CADEDE,stroke:#94C0C0
+    style N3 fill:#B3E5FC,stroke:#03A9F4
+    style N4 fill:#FFFDE7,stroke:#FFF176
+    style N5 fill:#B3E5FC,stroke:#03A9F4
+    style N6 fill:#B3E5FC,stroke:#03A9F4
+    style N7 fill:#CADEDE,stroke:#94C0C0
+    style N8 fill:#FFFDE7,stroke:#FFF176
+    style N9 fill:#CADEDE,stroke:#94C0C0
+    style N10 fill:#FFFDE7,stroke:#FFF176
+    style N11 fill:#CADEDE,stroke:#94C0C0
+    style N12 fill:#FFFDE7,stroke:#FFF176
+    style S0 fill:#B3E5FC,stroke:#03A9F4
+    style M0 fill:#B3E5FC,stroke:#03A9F4
+    style M1 fill:#B3E5FC,stroke:#03A9F4
+    style nest0_0 fill:#FFFDE7,stroke:#FFF176
+    style nest0_1 fill:#CADEDE,stroke:#94C0C0
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFF176,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:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#03A9F4,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:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#03A9F4,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:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#94C0C0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_16.txt b/test/mermaid/medium/mermaid_16.txt
new file mode 100644
index 0000000000000000000000000000000000000000..91e07fc073c407f18b72d3e6e0787645c9b6e194
--- /dev/null
+++ b/test/mermaid/medium/mermaid_16.txt
@@ -0,0 +1,22 @@
+<Air Traffic Control, diversifies, Electric Vehicle Charging>
+<Air Traffic Control, partOf, Ride_sharing Request>
+<Bus Stop Management, connectedTo, Maintenance Check>
+<Cargo Loading, connectedTo, Vehicle Assignment>
+<Cargo Loading, connectedTo, Vehicle Tracking>
+<Electric Vehicle Charging, connectedTo, Bus Stop Management>
+<Fleet Management, connectedTo, Air Traffic Control>
+<Fleet Management, partOf, Ride_sharing Request>
+<Intermodal Transfer, connectedTo, Luggage Handling>
+<Intermodal Transfer, connectedTo, Maintenance Check>
+<Intermodal Transfer, insures, Cargo Loading>
+<Location Input, connectedTo, Electric Vehicle Charging>
+<Luggage Handling, updates, Location Input>
+<Navigation Update, connectedTo, Vehicle Tracking>
+<Traffic Monitoring, loads, Intermodal Transfer>
+<Train Dispatch, communicates, Navigation Update>
+<Vehicle Assignment, connectedTo, Fleet Management>
+<Vehicle Assignment, connectedTo, Train Dispatch>
+<Vehicle Assignment, routes, Vehicle Tracking>
+<Vehicle Tracking, connectedTo, Luggage Handling>
+<start, connectedTo, Traffic Monitoring>
+<start, tracks, Vehicle Tracking>
diff --git a/test/mermaid/medium/mermaid_160.mmd b/test/mermaid/medium/mermaid_160.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f532c880971a9dd6c85f88a96f4482dd68c9fd0e
--- /dev/null
+++ b/test/mermaid/medium/mermaid_160.mmd
@@ -0,0 +1,58 @@
+graph TD
+    N0([start])
+    N1[(Quantum Dots)]
+    N2(Nanocoatings)
+    N3[Nanofabrication Techniques]
+    N4(Nanomaterial Synthesis)
+    N5[/Graphene Production/]
+    N6[(Nanoscale Imaging)]
+    N7([end])
+    S1(( ))
+    subgraph Nanosensors
+        nest0_0[Nanomedicine Development]
+        nest0_1[[Molecular Self_Assembly]]
+    end
+    N0 --> |models| N1
+    N1 -.-> N2
+    N2 -.-> |integrates| N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    nest0_0 --> nest0_1
+    N1 -.-> nest0_0
+    nest0_1 -.-> N4
+    N0 --> S1
+    S1 --> |develops| N3
+    S1 --> |monitors| N2
+    N2 --> nest0_0
+    N0 -.-> |assembles| N4
+    N7 --> nest0_1
+    style N0 fill:#ECCFF5,stroke:#CD8FF2
+    style N1 fill:#E4E0DF,stroke:#BDAFA8
+    style N2 fill:#ECCFF5,stroke:#CD8FF2
+    style N3 fill:#E4E0DF,stroke:#BDAFA8
+    style N4 fill:#F0F0F0,stroke:#D2D2D2
+    style N5 fill:#E4E0DF,stroke:#BDAFA8
+    style N6 fill:#ECCFF5,stroke:#CD8FF2
+    style N7 fill:#E4E0DF,stroke:#BDAFA8
+    style S1 fill:#ECCFF5,stroke:#CD8FF2
+    style nest0_0 fill:#F0F0F0,stroke:#D2D2D2
+    style nest0_1 fill:#E4E0DF,stroke:#BDAFA8
+    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:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#BDAFA8,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:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#BDAFA8,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:#CD8FF2,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#BDAFA8,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_161.txt b/test/mermaid/medium/mermaid_161.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c94e02422bcfd53dbb24bab515106bf2fdeb2909
--- /dev/null
+++ b/test/mermaid/medium/mermaid_161.txt
@@ -0,0 +1,17 @@
+<Bio_Nanotechnology Interface, connectedTo, Computational Nanotechnology>
+<Bio_Nanotechnology Interface, partOf, Regulatory Framework for Nanotech>
+<Biosensors, connectedTo, Lab_on_a_Chip Devices>
+<Biosensors, connectedTo, Nanoscale Imaging>
+<Computational Nanotechnology, connectedTo, Quantum Dots>
+<Computational Nanotechnology, partOf, Regulatory Framework for Nanotech>
+<Lab_on_a_Chip Devices, characterizes, Quantum Dots>
+<Lab_on_a_Chip Devices, connectedTo, Nanotoxicology>
+<Lab_on_a_Chip Devices, connectedTo, Surface Functionalization>
+<Nanoscale Imaging, tests, Lab_on_a_Chip Devices>
+<Quantum Dots, optimizes, Nanotoxicology>
+<Spectroscopy, applies, Bio_Nanotechnology Interface>
+<Spectroscopy, partOf, Regulatory Framework for Nanotech>
+<Surface Functionalization, connectedTo, Quantum Dots>
+<Surface Functionalization, connectedTo, Spectroscopy>
+<start, connectedTo, Biosensors>
+<start, connectedTo, Lab_on_a_Chip Devices>
diff --git a/test/mermaid/medium/mermaid_164.mmd b/test/mermaid/medium/mermaid_164.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d46580585d289ab9484775c1620f85c7a0f2d136
--- /dev/null
+++ b/test/mermaid/medium/mermaid_164.mmd
@@ -0,0 +1,64 @@
+graph BT
+    N0([start])
+    N1[Quantum Cryptography]
+    N2[Microwave Control for Qubits]
+    N3[/Quantum Simulation/]
+    N4(Quantum Computing for AI)
+    N5([Quantum Error Correction])
+    N6[Quantum Computing Benchmarking]
+    N7(Financial Modeling with Quantum Computing)
+    N8([Quantum Cloud Computing Services])
+    N9[/Quantum Key Distribution/]
+    N10[Quantum Entanglement Generation]
+    N11[[Quantum Supremacy Claims]]
+    N12([end])
+    M0(( ))
+    subgraph Photonic Qubits
+        nest0_0(Quantum Algorithm Development)
+        nest0_1{Quantum Bit Design}
+        nest0_2[(Quantum Network Development)]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> |no| N4
+    N4 -.-> |yes| N5
+    N5 -.-> N6
+    N6 -.-> |no| N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 --> |no| N11
+    N11 --> N12
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    N4 --> nest0_0
+    nest0_2 -.-> |no| N9
+    N1 -.-> M0
+    N0 --> M0
+    M0 --> N3
+    N4 --> N7
+    N9 --> N4
+    style M0 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:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#BDBDBD,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:#82DAFF,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:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,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:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFA726,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_164.txt b/test/mermaid/medium/mermaid_164.txt
new file mode 100644
index 0000000000000000000000000000000000000000..af7d31edb404dc61780e6af6c9dcc3e95359f0e7
--- /dev/null
+++ b/test/mermaid/medium/mermaid_164.txt
@@ -0,0 +1,23 @@
+<Financial Modeling with Quantum Computing, connectedTo, Quantum Cloud Computing Services>
+<Microwave Control for Qubits, connectedTo, Quantum Simulation>
+<Quantum Algorithm Development, connectedTo, Quantum Bit Design>
+<Quantum Algorithm Development, partOf, Photonic Qubits>
+<Quantum Bit Design, connectedTo, Quantum Network Development>
+<Quantum Bit Design, partOf, Photonic Qubits>
+<Quantum Cloud Computing Services, connectedTo, Quantum Key Distribution>
+<Quantum Computing Benchmarking, no, Financial Modeling with Quantum Computing>
+<Quantum Computing for AI, connectedTo, Financial Modeling with Quantum Computing>
+<Quantum Computing for AI, connectedTo, Quantum Algorithm Development>
+<Quantum Computing for AI, yes, Quantum Error Correction>
+<Quantum Cryptography, connectedTo, Microwave Control for Qubits>
+<Quantum Cryptography, connectedTo, Quantum Simulation>
+<Quantum Entanglement Generation, no, Quantum Supremacy Claims>
+<Quantum Error Correction, connectedTo, Quantum Computing Benchmarking>
+<Quantum Key Distribution, connectedTo, Quantum Computing for AI>
+<Quantum Key Distribution, connectedTo, Quantum Entanglement Generation>
+<Quantum Network Development, no, Quantum Key Distribution>
+<Quantum Network Development, partOf, Photonic Qubits>
+<Quantum Simulation, no, Quantum Computing for AI>
+<Quantum Supremacy Claims, connectedTo, end>
+<start, connectedTo, Quantum Cryptography>
+<start, connectedTo, Quantum Simulation>
diff --git a/test/mermaid/medium/mermaid_166.txt b/test/mermaid/medium/mermaid_166.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0421202640c82f1b7a75d856c4fa25a5cdead150
--- /dev/null
+++ b/test/mermaid/medium/mermaid_166.txt
@@ -0,0 +1,26 @@
+<AR for Navigation, connectedTo, end>
+<Architectural Visualization, connectedTo, start>
+<Architectural Visualization, no, Live Event Streaming in VR>
+<Architectural Visualization, yes, Content Creation for AR or VR>
+<Augmented Reality App Development, connectedTo, Software Development Kit Integration>
+<Content Creation for AR or VR, partOf, Neuro_VR Interfaces>
+<Content Creation for AR or VR, yes, Virtual Tourism Experiences>
+<Educational Content Development, yes, Augmented Reality App Development>
+<Gesture Recognition, connectedTo, Tracking System Calibration>
+<Haptic Feedback Integration, connectedTo, Educational Content Development>
+<Haptic Feedback Integration, connectedTo, Gesture Recognition>
+<Headset Development, connectedTo, Latency Reduction>
+<Headset Development, partOf, Neuro_VR Interfaces>
+<Latency Reduction, connectedTo, Software Development Kit Integration>
+<Latency Reduction, partOf, Neuro_VR Interfaces>
+<Live Event Streaming in VR, connectedTo, User Interface Design>
+<Multiplayer Experience Design, connectedTo, Gesture Recognition>
+<Multiplayer Experience Design, connectedTo, Headset Development>
+<Software Development Kit Integration, connectedTo, Multiplayer Experience Design>
+<Tracking System Calibration, connectedTo, AR for Navigation>
+<User Interface Design, yes, Virtual Showrooms>
+<Virtual Showrooms, connectedTo, Haptic Feedback Integration>
+<Virtual Tourism Experiences, connectedTo, Headset Development>
+<Virtual Tourism Experiences, partOf, Neuro_VR Interfaces>
+<end, yes, Educational Content Development>
+<start, yes, Architectural Visualization>
diff --git a/test/mermaid/medium/mermaid_167.mmd b/test/mermaid/medium/mermaid_167.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1dca4179c38f8e522603162f3192b88915dbba55
--- /dev/null
+++ b/test/mermaid/medium/mermaid_167.mmd
@@ -0,0 +1,64 @@
+graph RL
+    N0([start])
+    N1(Tracking System Calibration)
+    N2{Remote Collaboration Tools}
+    N3[(Ethical Considerations in AR or VR)]
+    N4[/Wearable AR Devices/]
+    N5[Virtual Showrooms]
+    N6(Comfort and Ergonomics Design)
+    N7([Virtual Reality Game Development])
+    S0(( ))
+    M0(( ))
+    subgraph Medical Applications
+        nest0_0([Field of View Optimization])
+        nest0_1[Hardware Prototyping]
+        nest0_2(Gesture Recognition)
+    end
+    N0 -.-> |optimizes| N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> |measures| N7
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N2 -.-> nest0_0
+    nest0_2 -.-> |maps| N6
+    N3 --> S0
+    S0 --> N7
+    S0 --> |personalizes| N5
+    N0 --> M0
+    N1 --> M0
+    M0 -.-> N3
+    style N0 fill:#F9FBE7,stroke:#DCE775
+    style N1 fill:#F1F8E9,stroke:#81C784
+    style N2 fill:#F1F8E9,stroke:#81C784
+    style N3 fill:#ECF0FD,stroke:#B8C0F5
+    style N4 fill:#F1F8E9,stroke:#81C784
+    style N5 fill:#F1F8E9,stroke:#81C784
+    style N6 fill:#ECF0FD,stroke:#B8C0F5
+    style N7 fill:#F1F8E9,stroke:#81C784
+    style S0 fill:#F1F8E9,stroke:#81C784
+    style M0 fill:#ECF0FD,stroke:#B8C0F5
+    style nest0_0 fill:#F1F8E9,stroke:#81C784
+    style nest0_1 fill:#F1F8E9,stroke:#81C784
+    style nest0_2 fill:#F1F8E9,stroke:#81C784
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#B8C0F5,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:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#81C784,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:#B8C0F5,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:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#81C784,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_170.mmd b/test/mermaid/medium/mermaid_170.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..70bbe8d69b00ab63ee49c5ebef8e31434ec96cc1
--- /dev/null
+++ b/test/mermaid/medium/mermaid_170.mmd
@@ -0,0 +1,92 @@
+graph TD
+    N0([start])
+    N1([In_Game Economy Design])
+    N2(Motion Capture)
+    N3[[Game Design]]
+    N4[/Monetization Strategy/]
+    N5(Community Management)
+    N6([Mobile Game Development])
+    N7[/Narrative Design/]
+    N8(Level Design)
+    N9[Game Engine Customization]
+    N10(Game Analytics)
+    N11{Character Design}
+    N12(User Experience Design)
+    N13[Voice Acting]
+    N14[/Game Publishing/]
+    N15([Game Balancing])
+    S0(( ))
+    M0(( ))
+    subgraph Augmented Reality Gaming
+        nest0_0([Asset Creation])
+        nest0_1([Physics Simulation])
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> |writes| N6
+    N6 --> N7
+    N7 --> |streams| N8
+    N8 --> N9
+    N9 -.-> |plays| N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 --> N13
+    N13 --> N14
+    N14 -.-> N15
+    nest0_0 --> nest0_1
+    N6 --> |monetizes| nest0_0
+    nest0_1 -.-> N11
+    N4 --> S0
+    S0 --> N6
+    S0 --> N8
+    N2 --> M0
+    N3 -.-> |interacts| M0
+    M0 -.-> N5
+    style N0 fill:#FFF3E0,stroke:#FFA726
+    style N1 fill:#FFF3E0,stroke:#FFA726
+    style N2 fill:#F1F8E9,stroke:#388E3C
+    style N3 fill:#F1F8E9,stroke:#388E3C
+    style N4 fill:#FFF0CC,stroke:#FFCC80
+    style N5 fill:#FFF0CC,stroke:#FFCC80
+    style N6 fill:#FFF3E0,stroke:#FFA726
+    style N7 fill:#F1F8E9,stroke:#388E3C
+    style N8 fill:#F1F8E9,stroke:#388E3C
+    style N9 fill:#F1F8E9,stroke:#388E3C
+    style N10 fill:#FFF3E0,stroke:#FFA726
+    style N11 fill:#FFF0CC,stroke:#FFCC80
+    style N12 fill:#FFF0CC,stroke:#FFCC80
+    style N13 fill:#F1F8E9,stroke:#388E3C
+    style N14 fill:#F1F8E9,stroke:#388E3C
+    style N15 fill:#F1F8E9,stroke:#388E3C
+    style S0 fill:#FFF0CC,stroke:#FFCC80
+    style M0 fill:#F1F8E9,stroke:#388E3C
+    style nest0_0 fill:#F1F8E9,stroke:#388E3C
+    style nest0_1 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:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFA726,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:#FFA726,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:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFCC80,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:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#388E3C,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_172.mmd b/test/mermaid/medium/mermaid_172.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..4fc9abbde2c781b363e73caf89cf77868d77b248
--- /dev/null
+++ b/test/mermaid/medium/mermaid_172.mmd
@@ -0,0 +1,84 @@
+graph LR
+    N0([Songwriting])
+    N1[Sound System Design]
+    N2[[Music Festival Organization]]
+    N3(Ticketing)
+    N4[Music Video Production]
+    N5[/Mastering/]
+    N6(Lyric Writing)
+    N7(Sampling)
+    N8(Instrumental Performance)
+    N9[(Music for Film or TV or Games)]
+    N10{Audio Engineering}
+    N11([Performance])
+    N12([Music Therapy])
+    S0(( ))
+    M0(( ))
+    subgraph Fan Engagement Strategy
+        nest0_0[/Concert Promotion/]
+        nest0_1(Music Licensing)
+        nest0_2[Arrangement]
+    end
+    N0 -.-> |sells| N1
+    N1 --> N2
+    N2 -.-> |records| N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> |licenses| N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> |mixes| N9
+    N9 --> N10
+    N10 --> N11
+    N11 -.-> |analyzes| N12
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    N6 -.-> nest0_0
+    nest0_2 -.-> N8
+    N3 -.-> S0
+    S0 --> N10
+    S0 --> N5
+    N9 -.-> |writes| M0
+    N5 -.-> M0
+    M0 --> N12
+    style N0 fill:#ECEFF1,stroke:#90A4AE
+    style N1 fill:#ECEFF1,stroke:#90A4AE
+    style N2 fill:#DED7F0,stroke:#A188DB
+    style N3 fill:#DED7F0,stroke:#A188DB
+    style N4 fill:#ECEFF1,stroke:#90A4AE
+    style N5 fill:#E1F5FE,stroke:#4FC3F7
+    style N6 fill:#DED7F0,stroke:#A188DB
+    style N7 fill:#ECEFF1,stroke:#90A4AE
+    style N8 fill:#E1F5FE,stroke:#4FC3F7
+    style N9 fill:#E1F5FE,stroke:#4FC3F7
+    style N10 fill:#ECEFF1,stroke:#90A4AE
+    style N11 fill:#ECEFF1,stroke:#90A4AE
+    style N12 fill:#ECEFF1,stroke:#90A4AE
+    style S0 fill:#ECEFF1,stroke:#90A4AE
+    style M0 fill:#DED7F0,stroke:#A188DB
+    style nest0_0 fill:#DED7F0,stroke:#A188DB
+    style nest0_1 fill:#ECEFF1,stroke:#90A4AE
+    style nest0_2 fill:#ECEFF1,stroke:#90A4AE
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#90A4AE,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:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#4FC3F7,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#90A4AE,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_173.txt b/test/mermaid/medium/mermaid_173.txt
new file mode 100644
index 0000000000000000000000000000000000000000..839cce026606c0a2e6311362aafb64b4b1fb9824
--- /dev/null
+++ b/test/mermaid/medium/mermaid_173.txt
@@ -0,0 +1,19 @@
+<A&R, connectedTo, end>
+<Artist Management, connectedTo, Live Sound Engineering>
+<Artist Management, partOf, Music Publishing>
+<Composition, connectedTo, Recording>
+<Composition, partOf, Music Publishing>
+<Live Sound Engineering, connectedTo, Composition>
+<Live Sound Engineering, yes, A&R>
+<Mastering, connectedTo, Music Festival Organization>
+<Music Festival Organization, connectedTo, A&R>
+<Music Festival Organization, connectedTo, end>
+<Music Festival Organization, no, Live Sound Engineering>
+<Music Video Production, connectedTo, Artist Management>
+<Music Video Production, partOf, Music Publishing>
+<Recording, connectedTo, Music Video Production>
+<Recording, partOf, Music Publishing>
+<Songwriting, yes, Tour Management>
+<Tour Management, connectedTo, Mastering>
+<start, connectedTo, A&R>
+<start, connectedTo, Songwriting>
diff --git a/test/mermaid/medium/mermaid_174.mmd b/test/mermaid/medium/mermaid_174.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..929f56eb02ff66b46d7bf9ac8cb03c2387ea6a0d
--- /dev/null
+++ b/test/mermaid/medium/mermaid_174.mmd
@@ -0,0 +1,96 @@
+graph LR
+    N0([start])
+    N1(Composition)
+    N2(Songwriting)
+    N3(Arrangement)
+    N4[Fan Engagement Strategy]
+    N5[[Recording]]
+    N6(Mastering)
+    N7[(Sampling)]
+    N8[Music Theory Analysis]
+    N9[[Beat Making]]
+    N10[(Sound System Design)]
+    N11[Crowdfunding for Music Projects]
+    N12([end])
+    S0(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Royalty Collection
+        nest0_0[/Merchandise Sales/]
+        nest0_1[[Artist Management]]
+        nest0_2([Audio Engineering])
+        nest0_3[/Live Sound Engineering/]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> |invests| N5
+    N5 --> N6
+    N6 -.-> |scores| N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> |learns| N10
+    N10 --> N11
+    N11 --> |reviews| N12
+    nest0_0 -.-> |performs| nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> nest0_3
+    N7 -.-> nest0_0
+    nest0_3 --> |manages| N1
+    N4 --> S0
+    S0 --> N6
+    S0 --> N7
+    N2 --> M0
+    N4 --> M0
+    M0 --> N6
+    N8 -.-> M1
+    N4 --> M1
+    M1 -.-> N12
+    style N0 fill:#EBEBEB,stroke:#E0E0E0
+    style N1 fill:#FDFCEB,stroke:#EAEFA5
+    style N2 fill:#FDFCEB,stroke:#EAEFA5
+    style N3 fill:#EBEBEB,stroke:#E0E0E0
+    style N4 fill:#EBEBEB,stroke:#E0E0E0
+    style N5 fill:#E8F0EA,stroke:#92C79A
+    style N6 fill:#E8F0EA,stroke:#92C79A
+    style N7 fill:#FDFCEB,stroke:#EAEFA5
+    style N8 fill:#E8F0EA,stroke:#92C79A
+    style N9 fill:#FDFCEB,stroke:#EAEFA5
+    style N10 fill:#FDFCEB,stroke:#EAEFA5
+    style N11 fill:#EBEBEB,stroke:#E0E0E0
+    style N12 fill:#FDFCEB,stroke:#EAEFA5
+    style S0 fill:#EBEBEB,stroke:#E0E0E0
+    style M0 fill:#EBEBEB,stroke:#E0E0E0
+    style M1 fill:#FDFCEB,stroke:#EAEFA5
+    style nest0_0 fill:#EBEBEB,stroke:#E0E0E0
+    style nest0_1 fill:#E8F0EA,stroke:#92C79A
+    style nest0_2 fill:#EBEBEB,stroke:#E0E0E0
+    style nest0_3 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:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#92C79A,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:#E0E0E0,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:#EAEFA5,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:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#92C79A,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:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_176.mmd b/test/mermaid/medium/mermaid_176.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..3eacfeb513bb2bd75f11155ef944c85f7e1950a0
--- /dev/null
+++ b/test/mermaid/medium/mermaid_176.mmd
@@ -0,0 +1,55 @@
+graph TD
+    N0([start])
+    N1[(Stunt Coordination)]
+    N2[(Color Grading)]
+    N3[[Location Scouting]]
+    N4([end])
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    subgraph Archiving and Preservation
+        nest0_0[[Editing]]
+        nest0_1([Digital Asset Management])
+        nest0_2[/Film Scoring/]
+        nest0_3(Visual Effects)
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    nest0_0 --> nest0_1
+    nest0_1 -.-> |no| nest0_2
+    nest0_2 -.-> |no| nest0_3
+    N2 --> nest0_0
+    nest0_3 -.-> N4
+    N1 -.-> S0
+    S0 --> |no| N4
+    S0 --> N3
+    N0 --> S1
+    S1 --> N2
+    S1 --> |no| N4
+    N0 --> M1
+    N1 --> M1
+    M1 -.-> N3
+    style S0 fill:#FFF6D9,stroke:#FFCC7A
+    style S1 fill:#FFF3E0,stroke:#FFB74D
+    style M1 fill:#FFF6D9,stroke:#FFCC7A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFB74D,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:#FFB74D,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:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFCC7A,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:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_179.txt b/test/mermaid/medium/mermaid_179.txt
new file mode 100644
index 0000000000000000000000000000000000000000..07821449dd7f8809491ce9119b914754fc5da9b5
--- /dev/null
+++ b/test/mermaid/medium/mermaid_179.txt
@@ -0,0 +1,20 @@
+<Animation, connectedTo, Call to Action Design>
+<Audience Engagement, measures, Performance Tracking>
+<Blog Post Writing, connectedTo, Audience Engagement>
+<Blog Post Writing, connectedTo, Transcribing Audio or Video>
+<Branding, connectedTo, Influencer Collaboration>
+<Call to Action Design, connectedTo, Copywriting>
+<Content Management System Operation, connectedTo, Animation>
+<Content Management System Operation, connectedTo, Blog Post Writing>
+<Content Management System Operation, connectedTo, Branding>
+<Content Management System Operation, connectedTo, start>
+<Copywriting, connectedTo, Research and Outline>
+<Influencer Collaboration, hosts, Animation>
+<Performance Tracking, narrates, Audience Engagement>
+<Performance Tracking, reports, Content Management System Operation>
+<Publishing, connectedTo, Influencer Collaboration>
+<Publishing, partOf, Monetization Strategy>
+<Research and Outline, promotes, Blog Post Writing>
+<Transcribing Audio or Video, connectedTo, Publishing>
+<Transcribing Audio or Video, partOf, Monetization Strategy>
+<start, films, Content Management System Operation>
diff --git a/test/mermaid/medium/mermaid_180.mmd b/test/mermaid/medium/mermaid_180.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..76d54b4265ccb92d4fc6e662272c533c79c6124a
--- /dev/null
+++ b/test/mermaid/medium/mermaid_180.mmd
@@ -0,0 +1,69 @@
+graph RL
+    N0([start])
+    N1(Newsletter Creation)
+    N2([Keyword Research])
+    N3[Graphic Design]
+    N4[(Performance Tracking)]
+    N5[(Research and Outline)]
+    N6[Distribution Planning]
+    N7[(Animation)]
+    N8[Audio Recording]
+    N9(Call to Action Design)
+    N10([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Influencer Collaboration
+        nest0_0([Interview Conduct])
+        nest0_1{User_Generated Content Curation}
+    end
+    N0 --> N1
+    N1 -.-> |yes| N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> |yes| N8
+    N8 -.-> |no| N9
+    N9 --> N10
+    nest0_0 -.-> nest0_1
+    N1 --> |no| nest0_0
+    nest0_1 -.-> N7
+    N3 -.-> S0
+    S0 --> |no| N6
+    S0 --> N10
+    N3 --> S1
+    S1 -.-> N9
+    S1 -.-> N10
+    S1 -.-> N6
+    N1 --> M0
+    N0 -.-> |yes| M0
+    M0 --> N3
+    style S0 fill:#E1F5FE,stroke:#4FC3F7
+    style S1 fill:#F1F8FF,stroke:#42A5F5
+    style M0 fill:#FFF6D9,stroke:#FFCC7A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#42A5F5,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:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFCC7A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_181.txt b/test/mermaid/medium/mermaid_181.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f299060f0970dd08e87ee8a28ed539fac2ec4a3f
--- /dev/null
+++ b/test/mermaid/medium/mermaid_181.txt
@@ -0,0 +1,25 @@
+<Business User Training on Analytics, connectedTo, Healthcare Data Analysis>
+<Customer Analytics, develops, Web Analytics>
+<Customer Analytics, governs, Social Media Analytics>
+<Data Cleaning, connectedTo, end>
+<Data Mining, predicts, Business User Training on Analytics>
+<Data Quality Assurance, dashboards, Exploratory Data Analysis>
+<Data Visualization, analyzes, Customer Analytics>
+<ETL Process Management, connectedTo, Risk Analytics>
+<ETL Process Management, partOf, Data Warehouse Design>
+<Exploratory Data Analysis, connectedTo, Data Mining>
+<Financial Data Analysis, connectedTo, Data Mining>
+<Financial Data Analysis, connectedTo, ETL Process Management>
+<Financial Data Analysis, discovers, end>
+<Financial Data Analysis, models, Data Quality Assurance>
+<Healthcare Data Analysis, connectedTo, Data Cleaning>
+<Prescriptive Analytics, connectedTo, Social Media Analytics>
+<Risk Analytics, partOf, Data Warehouse Design>
+<Risk Analytics, validates, Sales Performance Analysis>
+<Sales Performance Analysis, connectedTo, Financial Data Analysis>
+<Sales Performance Analysis, partOf, Data Warehouse Design>
+<Social Media Analytics, connectedTo, Financial Data Analysis>
+<Web Analytics, connectedTo, Prescriptive Analytics>
+<Web Analytics, connectedTo, Social Media Analytics>
+<start, connectedTo, Data Visualization>
+<start, connectedTo, Social Media Analytics>
diff --git a/test/mermaid/medium/mermaid_182.mmd b/test/mermaid/medium/mermaid_182.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..23eeca434de1d3698e59748fe906c49315040d18
--- /dev/null
+++ b/test/mermaid/medium/mermaid_182.mmd
@@ -0,0 +1,80 @@
+graph LR
+    N0([Customer Analytics])
+    N1(Marketing Campaign Analysis)
+    N2[(Time Series Forecasting)]
+    N3[Natural Language Processing for Data]
+    N4[(Geospatial Analysis)]
+    N5[/Data Visualization/]
+    N6[/Dashboard Creation/]
+    N7([Social Media Analytics])
+    N8([Business User Training on Analytics])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Data Mining
+        nest0_0([Web Analytics])
+        nest0_1([HR Data Analytics])
+        nest0_2[(Machine Learning Integration)]
+        nest0_3[/Prescriptive Analytics/]
+    end
+    N0 -.-> N1
+    N1 --> |tracks| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> |forecasts| N5
+    N5 --> N6
+    N6 -.-> |audits| N7
+    N7 -.-> |segments| N8
+    nest0_0 --> |dashboards| nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> nest0_3
+    N6 --> nest0_0
+    nest0_3 --> N5
+    N3 -.-> S0
+    S0 -.-> N5
+    S0 --> N8
+    N5 -.-> S1
+    S1 --> |reports| N7
+    S1 -.-> N8
+    N1 --> M0
+    N2 -.-> |cleans| M0
+    M0 --> N7
+    style N0 fill:#FFFDE7,stroke:#FBC02D
+    style N1 fill:#FFFDE7,stroke:#FBC02D
+    style N2 fill:#FFFDE7,stroke:#FBC02D
+    style N3 fill:#F3E5F5,stroke:#AB47BC
+    style N4 fill:#FFFDE7,stroke:#FBC02D
+    style N5 fill:#FFFDE7,stroke:#FBC02D
+    style N6 fill:#F3E5F5,stroke:#AB47BC
+    style N7 fill:#FFFDE7,stroke:#FBC02D
+    style N8 fill:#FFFDE7,stroke:#FBC02D
+    style S0 fill:#FFFDE7,stroke:#FBC02D
+    style S1 fill:#FFFDE7,stroke:#FBC02D
+    style M0 fill:#F3E5F5,stroke:#AB47BC
+    style nest0_0 fill:#C5CAE9,stroke:#3F51B5
+    style nest0_1 fill:#C5CAE9,stroke:#3F51B5
+    style nest0_2 fill:#F3E5F5,stroke:#AB47BC
+    style nest0_3 fill:#C5CAE9,stroke:#3F51B5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FBC02D,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:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#3F51B5,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:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#3F51B5,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/medium/mermaid_183.mmd b/test/mermaid/medium/mermaid_183.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..d39eeb7140b8790f28286397da3e7e59339f48d7
--- /dev/null
+++ b/test/mermaid/medium/mermaid_183.mmd
@@ -0,0 +1,74 @@
+graph RL
+    N0([start])
+    N1([Data Governance])
+    N2[[Business User Training on Analytics]]
+    N3[/Data Storytelling/]
+    N4{Exploratory Data Analysis}
+    N5[Data Visualization]
+    N6[/Statistical Modeling/]
+    N7[/Data Security Best Practices/]
+    N8([Time Series Forecasting])
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    subgraph Web Analytics
+        nest0_0[/Data Cleaning/]
+        nest0_1(A or B Testing Analysis)
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> |pipelines| N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> |educates| N7
+    N7 -.-> N8
+    nest0_0 --> nest0_1
+    N6 --> |communicates| nest0_0
+    nest0_1 -.-> N8
+    N5 -.-> S0
+    S0 -.-> |automates| N8
+    S0 --> N7
+    N0 --> S1
+    S1 -.-> N3
+    S1 --> N7
+    S1 --> N6
+    N1 -.-> |processes| M1
+    N0 --> |reports| M1
+    M1 -.-> N7
+    style N0 fill:#E9F7E8,stroke:#6EB76D
+    style N1 fill:#C9F0F0,stroke:#4DD0E1
+    style N2 fill:#C9F0F0,stroke:#4DD0E1
+    style N3 fill:#C9F0F0,stroke:#4DD0E1
+    style N4 fill:#E0F7FA,stroke:#00BCD4
+    style N5 fill:#E0F7FA,stroke:#00BCD4
+    style N6 fill:#C9F0F0,stroke:#4DD0E1
+    style N7 fill:#E0F7FA,stroke:#00BCD4
+    style N8 fill:#E9F7E8,stroke:#6EB76D
+    style S0 fill:#E0F7FA,stroke:#00BCD4
+    style S1 fill:#C9F0F0,stroke:#4DD0E1
+    style M1 fill:#E0F7FA,stroke:#00BCD4
+    style nest0_0 fill:#C9F0F0,stroke:#4DD0E1
+    style nest0_1 fill:#E9F7E8,stroke:#6EB76D
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#6EB76D,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:#6EB76D,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:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#6EB76D,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#00BCD4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_187.mmd b/test/mermaid/medium/mermaid_187.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..54e2e8bd640eed79d137f5425e68d586dbdefbd6
--- /dev/null
+++ b/test/mermaid/medium/mermaid_187.mmd
@@ -0,0 +1,78 @@
+graph BT
+    N0([Podcast Marketing])
+    N1[Distribution Channel Management]
+    N2[[Experiential Marketing]]
+    N3(Direct Mail Marketing)
+    N4(Customer Journey Mapping)
+    N5([Marketing Analytics])
+    N6(Pricing Strategy)
+    N7([Guerilla Marketing])
+    N8[/Marketing Automation/]
+    N9([end])
+    S0(( ))
+    M0(( ))
+    subgraph Mobile Marketing
+        nest0_0(Competitive Analysis)
+        nest0_1[Loyalty Programs]
+        nest0_2([Telemarketing])
+        nest0_3([Search Engine Optimization])
+    end
+    N0 -.-> N1
+    N1 --> |mobile marketing| N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> |retargets ads| N7
+    N7 --> N8
+    N8 -.-> |podcast marketing| N9
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 -.-> nest0_3
+    N7 --> |automates tasks| nest0_0
+    nest0_3 -.-> N8
+    N4 -.-> S0
+    S0 --> N6
+    S0 -.-> N9
+    N2 -.-> |manages social media| M0
+    N3 --> |promotes sales| M0
+    N1 --> M0
+    M0 -.-> N7
+    style N0 fill:#F3E5F5,stroke:#AB47BC
+    style N1 fill:#EFEBE9,stroke:#A1887F
+    style N2 fill:#F3E5F5,stroke:#AB47BC
+    style N3 fill:#EFEBE9,stroke:#A1887F
+    style N4 fill:#F3E5F5,stroke:#AB47BC
+    style N5 fill:#F3E5F5,stroke:#AB47BC
+    style N6 fill:#F1F8E9,stroke:#81C784
+    style N7 fill:#F1F8E9,stroke:#81C784
+    style N8 fill:#F1F8E9,stroke:#81C784
+    style N9 fill:#F1F8E9,stroke:#81C784
+    style S0 fill:#EFEBE9,stroke:#A1887F
+    style M0 fill:#F1F8E9,stroke:#81C784
+    style nest0_0 fill:#F3E5F5,stroke:#AB47BC
+    style nest0_1 fill:#F3E5F5,stroke:#AB47BC
+    style nest0_2 fill:#F3E5F5,stroke:#AB47BC
+    style nest0_3 fill:#EFEBE9,stroke:#A1887F
+    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:#81C784,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#81C784,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:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#AB47BC,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:#81C784,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#AB47BC,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_188.txt b/test/mermaid/medium/mermaid_188.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2f8e829f0af9975ae943a7f170634345e612e80b
--- /dev/null
+++ b/test/mermaid/medium/mermaid_188.txt
@@ -0,0 +1,24 @@
+<Brand Strategy Development, no, Video Marketing>
+<Content Marketing, no, Conversion Rate Optimization>
+<Conversion Rate Optimization, connectedTo, end>
+<Email Marketing, connectedTo, Telemarketing>
+<Email Marketing, partOf, Mobile Marketing>
+<Experiential Marketing, connectedTo, Brand Strategy Development>
+<Experiential Marketing, connectedTo, Lead Generation>
+<Experiential Marketing, connectedTo, Marketing Analytics>
+<Lead Generation, connectedTo, Content Marketing>
+<Lead Generation, connectedTo, Search Engine Optimization>
+<Lead Generation, no, Product Launch Strategy>
+<Lead Generation, no, Video Marketing>
+<Loyalty Programs, connectedTo, Conversion Rate Optimization>
+<Loyalty Programs, partOf, Mobile Marketing>
+<Marketing Analytics, no, Content Marketing>
+<Pricing Strategy, connectedTo, Experiential Marketing>
+<Product Launch Strategy, no, Email Marketing>
+<Product Launch Strategy, partOf, Mobile Marketing>
+<Search Engine Optimization, connectedTo, Brand Strategy Development>
+<Telemarketing, connectedTo, Loyalty Programs>
+<Telemarketing, partOf, Mobile Marketing>
+<Video Marketing, connectedTo, Marketing Analytics>
+<Video Marketing, no, Content Marketing>
+<start, connectedTo, Pricing Strategy>
diff --git a/test/mermaid/medium/mermaid_19.mmd b/test/mermaid/medium/mermaid_19.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..589311d34fa5a7ee9c7f30146663a3c2aa58ca26
--- /dev/null
+++ b/test/mermaid/medium/mermaid_19.mmd
@@ -0,0 +1,84 @@
+graph RL
+    N0([Energy Efficiency Audit])
+    N1(Sensor Reading)
+    N2{Usage Billing}
+    N3(Geothermal Power)
+    N4[/Fuel Delivery/]
+    N5{Wind Turbine Monitoring}
+    N6{Grid Balancing}
+    N7(Cybersecurity for Grid)
+    N8[Circuit Breaker Operation]
+    N9{Peak Shaving}
+    N10{Battery Monitoring}
+    N11([Consumption Logging])
+    S0(( ))
+    M0(( ))
+    subgraph Grid Modernization
+        nest0_0(Generator Check)
+        nest0_1(Power Purchase)
+        nest0_2{Oil and Gas Exploration}
+        nest0_3[Demand Forecast]
+    end
+    N0 --> N1
+    N1 --> |licenses| N2
+    N2 -.-> |isolates| N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> |monitors| N6
+    N6 -.-> |measures| N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> N11
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 -.-> |upgrades| nest0_3
+    N3 -.-> nest0_0
+    nest0_3 --> N4
+    N3 --> S0
+    S0 --> N8
+    S0 --> N10
+    N3 -.-> |researches| M0
+    N2 --> |secures| M0
+    M0 -.-> N6
+    style N0 fill:#F9FBE7,stroke:#DCE775
+    style N1 fill:#E8EAF6,stroke:#5C6BC0
+    style N2 fill:#F9FBE7,stroke:#DCE775
+    style N3 fill:#EDE7F6,stroke:#7E57C2
+    style N4 fill:#F9FBE7,stroke:#DCE775
+    style N5 fill:#F9FBE7,stroke:#DCE775
+    style N6 fill:#E8EAF6,stroke:#5C6BC0
+    style N7 fill:#EDE7F6,stroke:#7E57C2
+    style N8 fill:#F9FBE7,stroke:#DCE775
+    style N9 fill:#E8EAF6,stroke:#5C6BC0
+    style N10 fill:#E8EAF6,stroke:#5C6BC0
+    style N11 fill:#E8EAF6,stroke:#5C6BC0
+    style S0 fill:#F9FBE7,stroke:#DCE775
+    style M0 fill:#F9FBE7,stroke:#DCE775
+    style nest0_0 fill:#EDE7F6,stroke:#7E57C2
+    style nest0_1 fill:#EDE7F6,stroke:#7E57C2
+    style nest0_2 fill:#F9FBE7,stroke:#DCE775
+    style nest0_3 fill:#E8EAF6,stroke:#5C6BC0
+    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:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#5C6BC0,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:#5C6BC0,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:#5C6BC0,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#7E57C2,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:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#5C6BC0,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/medium/mermaid_191.txt b/test/mermaid/medium/mermaid_191.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b97a85116ebbe225c539f01db56371226fe24ddc
--- /dev/null
+++ b/test/mermaid/medium/mermaid_191.txt
@@ -0,0 +1,24 @@
+<Ad Analytics Reporting, connectedTo, Display Advertising>
+<Ad Analytics Reporting, connectedTo, Interactive Ad Formats>
+<Ad Analytics Reporting, manages ad networks, Privacy Concerns in Ads>
+<Ad Placement Optimization, native ads, Demographic Targeting>
+<Audience Targeting, connectedTo, Media Buying>
+<Brand Awareness Campaigns, connectedTo, Customer Acquisition Cost Analysis>
+<Customer Acquisition Cost Analysis, connectedTo, Television Advertising>
+<Demographic Targeting, connectedTo, Ad Network Management>
+<Direct Response Campaigns, connectedTo, Audience Targeting>
+<Display Advertising, connectedTo, Brand Awareness Campaigns>
+<Interactive Ad Formats, connectedTo, Landing Page Optimization>
+<Interactive Ad Formats, partOf, Budget Management>
+<Landing Page Optimization, connectedTo, Regulatory Compliance for Ads>
+<Landing Page Optimization, partOf, Budget Management>
+<Media Buying, connectedTo, Ad Analytics Reporting>
+<Media Buying, interprets analytics, Privacy Concerns in Ads>
+<Native Advertising, connectedTo, Visual Design for Ads>
+<Privacy Concerns in Ads, connectedTo, Ad Placement Optimization>
+<Regulatory Compliance for Ads, partOf, Budget Management>
+<Regulatory Compliance for Ads, video ads, Privacy Concerns in Ads>
+<Television Advertising, connectedTo, Ad Placement Optimization>
+<Television Advertising, connectedTo, Demographic Targeting>
+<Television Advertising, digital advertising, Privacy Concerns in Ads>
+<Visual Design for Ads, connectedTo, Direct Response Campaigns>
diff --git a/test/mermaid/medium/mermaid_192.mmd b/test/mermaid/medium/mermaid_192.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..8d86f71dedac51ab67b7966c2fcbf5469748a49a
--- /dev/null
+++ b/test/mermaid/medium/mermaid_192.mmd
@@ -0,0 +1,74 @@
+graph LR
+    N0([Audience Segmentation for Ads])
+    N1[[Brand Awareness Campaigns]]
+    N2[(Outdoor Advertising)]
+    N3(Conversion Tracking)
+    N4{Regulatory Compliance for Ads}
+    N5[[Ad Platform Management]]
+    N6[(Performance Tracking)]
+    N7(Social Media Ads)
+    N8([Retargeting Campaigns])
+    S0(( ))
+    M0(( ))
+    subgraph Ad Analytics Reporting
+        nest0_0{Direct Response Campaigns}
+        nest0_1{Ad Placement Optimization}
+        nest0_2(Ad Creative Development)
+        nest0_3(Campaign Planning)
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> |native ads| N8
+    nest0_0 --> nest0_1
+    nest0_1 --> |monitors competitors| nest0_2
+    nest0_2 --> nest0_3
+    N2 -.-> nest0_0
+    nest0_3 --> |digital advertising| N1
+    N3 -.-> S0
+    S0 -.-> N6
+    S0 --> N8
+    S0 -.-> |manages budgets| N5
+    N3 -.-> M0
+    N1 -.-> M0
+    M0 -.-> N6
+    style N0 fill:#CADEDE,stroke:#94C0C0
+    style N1 fill:#FFEBEB,stroke:#FFC2C2
+    style N2 fill:#FFEBEB,stroke:#FFC2C2
+    style N3 fill:#ECF0FD,stroke:#B8C0F5
+    style N4 fill:#ECF0FD,stroke:#B8C0F5
+    style N5 fill:#CADEDE,stroke:#94C0C0
+    style N6 fill:#FFEBEB,stroke:#FFC2C2
+    style N7 fill:#CADEDE,stroke:#94C0C0
+    style N8 fill:#ECF0FD,stroke:#B8C0F5
+    style S0 fill:#CADEDE,stroke:#94C0C0
+    style M0 fill:#CADEDE,stroke:#94C0C0
+    style nest0_0 fill:#ECF0FD,stroke:#B8C0F5
+    style nest0_1 fill:#CADEDE,stroke:#94C0C0
+    style nest0_2 fill:#CADEDE,stroke:#94C0C0
+    style nest0_3 fill:#FFEBEB,stroke:#FFC2C2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#B8C0F5,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:#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:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,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:#94C0C0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFC2C2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_193.txt b/test/mermaid/medium/mermaid_193.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4a4181c1d8055a854a966a1a8ac1f41f5a1a58be
--- /dev/null
+++ b/test/mermaid/medium/mermaid_193.txt
@@ -0,0 +1,19 @@
+<Cross_Border Payments, codes smart contracts, Healthcare Data Management>
+<Cross_Border Payments, connectedTo, Healthcare Data Management>
+<Cross_Border Payments, connectedTo, Private Blockchain Implementation>
+<Cross_Border Payments, processes payments, Gaming on Blockchain>
+<Decentralized Network Design, connectedTo, Gaming on Blockchain>
+<Gaming on Blockchain, ensures interoperability, Healthcare Data Management>
+<Governance Models for Blockchains, connectedTo, Decentralized Network Design>
+<Governance Models for Blockchains, connectedTo, Security Auditing for Blockchains>
+<Healthcare Data Management, connectedTo, Mining Operations>
+<Private Blockchain Implementation, connectedTo, Governance Models for Blockchains>
+<Private Blockchain Implementation, launches STOs, Healthcare Data Management>
+<Security Auditing for Blockchains, connectedTo, Zero_Knowledge Proofs>
+<Security Auditing for Blockchains, partOf, Tokenomics Design>
+<Transaction Verification, connectedTo, Voting Systems on Blockchain>
+<Transaction Verification, partOf, Tokenomics Design>
+<Voting Systems on Blockchain, governs DAOs, Gaming on Blockchain>
+<Voting Systems on Blockchain, partOf, Tokenomics Design>
+<Zero_Knowledge Proofs, connectedTo, Transaction Verification>
+<Zero_Knowledge Proofs, partOf, Tokenomics Design>
diff --git a/test/mermaid/medium/mermaid_194.mmd b/test/mermaid/medium/mermaid_194.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..90e0901bd9c3bbaa8231f23bb831f8ab077f2ba2
--- /dev/null
+++ b/test/mermaid/medium/mermaid_194.mmd
@@ -0,0 +1,72 @@
+graph LR
+    N0([Voting Systems on Blockchain])
+    N1[/Energy Trading on Blockchain/]
+    N2[[Gaming on Blockchain]]
+    N3{Zero_Knowledge Proofs}
+    N4[Initial Coin Offerings]
+    N5[Scalability Solutions]
+    N6[Decentralized Network Design]
+    N7{Enterprise Blockchain Solutions}
+    N8[(Smart Contract Development)]
+    N9[Governance Models for Blockchains]
+    N10([end])
+    S0(( ))
+    M0(( ))
+    subgraph Non_Fungible Token Creation
+        nest0_0(Supply Chain Traceability)
+        nest0_1(Blockchain Node Operation)
+    end
+    N0 -.-> N1
+    N1 -.-> |operates nodes| N2
+    N2 --> N3
+    N3 --> |enables voting| N4
+    N4 -.-> |develops DApps| N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> |scales systems| N8
+    N8 --> N9
+    N9 -.-> N10
+    nest0_0 -.-> |governs DAOs| nest0_1
+    N5 -.-> |educates users| nest0_0
+    nest0_1 -.-> |manages networks| N4
+    N4 --> S0
+    S0 --> N6
+    S0 -.-> N7
+    N0 -.-> M0
+    N1 -.-> M0
+    M0 --> N9
+    style N0 fill:#FFDCD6,stroke:#FFB2A5
+    style N1 fill:#D1C4E9,stroke:#673AB7
+    style N2 fill:#FFDCD6,stroke:#FFB2A5
+    style N3 fill:#E0F2F1,stroke:#4DB6AC
+    style N4 fill:#D1C4E9,stroke:#673AB7
+    style N5 fill:#E0F2F1,stroke:#4DB6AC
+    style N6 fill:#FFDCD6,stroke:#FFB2A5
+    style N7 fill:#D1C4E9,stroke:#673AB7
+    style N8 fill:#FFDCD6,stroke:#FFB2A5
+    style N9 fill:#D1C4E9,stroke:#673AB7
+    style N10 fill:#FFDCD6,stroke:#FFB2A5
+    style S0 fill:#D1C4E9,stroke:#673AB7
+    style M0 fill:#D1C4E9,stroke:#673AB7
+    style nest0_0 fill:#D1C4E9,stroke:#673AB7
+    style nest0_1 fill:#E0F2F1,stroke:#4DB6AC
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFB2A5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#673AB7,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#4DB6AC,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#673AB7,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_197.mmd b/test/mermaid/medium/mermaid_197.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..102ec92af230440c0c2b56b62f1c31998f6aa1e0
--- /dev/null
+++ b/test/mermaid/medium/mermaid_197.mmd
@@ -0,0 +1,76 @@
+graph RL
+    N0([Legal Advisory for Crypto])
+    N1([Tax Reporting for Crypto])
+    N2[Venture Capital Funding]
+    N3(Interoperability Solutions)
+    N4[Security Audits]
+    N5[[Blockchain Explorers]]
+    N6([Decentralized Autonomous Organizations])
+    N7[[Key Management]]
+    N8[[Cryptocurrency Trading Bots]]
+    N9(Stablecoin Design)
+    N10([Decentralized Exchange Operation])
+    S0(( ))
+    M0(( ))
+    subgraph Mining Algorithm Design
+        nest0_0[(Regulatory Compliance)]
+        nest0_1{Yield Farming}
+        nest0_2{Smart Contract Auditing}
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> |creates NFTs| N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> |provides liquidity| N8
+    N8 --> N9
+    N9 -.-> |educates users| N10
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N4 --> nest0_0
+    nest0_2 --> |distributes airdrops| N9
+    N7 -.-> S0
+    S0 -.-> |governs DAOs| N10
+    S0 --> N9
+    N1 -.-> M0
+    N4 -.-> M0
+    M0 -.-> N6
+    style N0 fill:#C9EFEC,stroke:#6FE1D5
+    style N1 fill:#E8EAF6,stroke:#7986CB
+    style N2 fill:#E8EAF6,stroke:#7986CB
+    style N3 fill:#E8EAF6,stroke:#7986CB
+    style N4 fill:#E8EAF6,stroke:#7986CB
+    style N5 fill:#D1C4E9,stroke:#673AB7
+    style N6 fill:#C9EFEC,stroke:#6FE1D5
+    style N7 fill:#D1C4E9,stroke:#673AB7
+    style N8 fill:#C9EFEC,stroke:#6FE1D5
+    style N9 fill:#C9EFEC,stroke:#6FE1D5
+    style N10 fill:#C9EFEC,stroke:#6FE1D5
+    style S0 fill:#C9EFEC,stroke:#6FE1D5
+    style M0 fill:#E8EAF6,stroke:#7986CB
+    style nest0_0 fill:#C9EFEC,stroke:#6FE1D5
+    style nest0_1 fill:#E8EAF6,stroke:#7986CB
+    style nest0_2 fill:#D1C4E9,stroke:#673AB7
+    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:#000000,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:#6FE1D5,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:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#7986CB,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:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#6FE1D5,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#6FE1D5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_199.txt b/test/mermaid/medium/mermaid_199.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f558e59a56a53c13a0886f58c4d819104fa4fa23
--- /dev/null
+++ b/test/mermaid/medium/mermaid_199.txt
@@ -0,0 +1,22 @@
+<Backer Communication, develops products, Escrow Management>
+<Community Building, connectedTo, Post_Campaign Reporting>
+<Email List Building, handles logistics, Project Vetting>
+<Equity Crowdfunding, connectedTo, Email List Building>
+<Equity Crowdfunding, connectedTo, Investor Relations>
+<Escrow Management, connectedTo, Logistics for Rewards>
+<Escrow Management, processes payments, Social Media Promotion>
+<Goal Setting, connectedTo, Logistics for Rewards>
+<International Crowdfunding, connectedTo, Community Building>
+<International Crowdfunding, connectedTo, Platform Selection>
+<International Crowdfunding, connectedTo, end>
+<Investor Relations, connectedTo, Product Development Lifecycle>
+<Investor Relations, partOf, Platform Fee Management>
+<Legal Compliance, connectedTo, Community Building>
+<Logistics for Rewards, manages manufacturing, Legal Compliance>
+<Platform Selection, connectedTo, Logistics for Rewards>
+<Platform Selection, generates reports, Goal Setting>
+<Post_Campaign Reporting, connectedTo, Equity Crowdfunding>
+<Product Development Lifecycle, partOf, Platform Fee Management>
+<Product Development Lifecycle, plans promotions, Community Building>
+<Project Vetting, calculates taxes, end>
+<Social Media Promotion, connectedTo, International Crowdfunding>
diff --git a/test/mermaid/medium/mermaid_200.mmd b/test/mermaid/medium/mermaid_200.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0785e5f27fb11c448fde070f957de4d4ef95693a
--- /dev/null
+++ b/test/mermaid/medium/mermaid_200.mmd
@@ -0,0 +1,72 @@
+graph RL
+    N0([International Crowdfunding])
+    N1[Platform Fee Management]
+    N2(Pitch Deck Preparation)
+    N3(Backer Communication)
+    N4[Video Production for Campaigns]
+    N5[/Customer Support for Backers/]
+    N6([end])
+    S0(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Social Media Promotion
+        nest0_0[/Funding Period Management/]
+        nest0_1([Financial Projection Analysis])
+        nest0_2[Goal Setting]
+        nest0_3(Tax Implications of Crowdfunding)
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> |manages fees| N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    nest0_0 --> nest0_1
+    nest0_1 -.-> |sets goals| nest0_2
+    nest0_2 --> |generates reports| nest0_3
+    N2 -.-> |promotes campaigns| nest0_0
+    nest0_3 -.-> N6
+    N3 -.-> S0
+    S0 -.-> N6
+    S0 --> |calculates taxes| N5
+    N0 -.-> M0
+    N1 -.-> M0
+    M0 --> N3
+    N1 -.-> M1
+    N2 -.-> M1
+    M1 -.-> N5
+    style N0 fill:#FCFCE7,stroke:#DCE775
+    style N1 fill:#D0EFEE,stroke:#73C6BC
+    style N2 fill:#FFCDD2,stroke:#F44336
+    style N3 fill:#FFCDD2,stroke:#F44336
+    style N4 fill:#FFCDD2,stroke:#F44336
+    style N5 fill:#FCFCE7,stroke:#DCE775
+    style N6 fill:#FFCDD2,stroke:#F44336
+    style S0 fill:#D0EFEE,stroke:#73C6BC
+    style M0 fill:#FCFCE7,stroke:#DCE775
+    style M1 fill:#D0EFEE,stroke:#73C6BC
+    style nest0_0 fill:#D0EFEE,stroke:#73C6BC
+    style nest0_1 fill:#D0EFEE,stroke:#73C6BC
+    style nest0_2 fill:#FFCDD2,stroke:#F44336
+    style nest0_3 fill:#FCFCE7,stroke:#DCE775
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#73C6BC,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:#F44336,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:#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:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#F44336,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#DCE775,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_201.mmd b/test/mermaid/medium/mermaid_201.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5063ab83ec9cfb222bbc359b8232d90e307d8f36
--- /dev/null
+++ b/test/mermaid/medium/mermaid_201.mmd
@@ -0,0 +1,72 @@
+graph RL
+    N0([start])
+    N1(Investor Verification)
+    N2(Goal Setting)
+    N3[[Intellectual Property Protection]]
+    N4[[Platform Fee Management]]
+    N5[/Real Estate Crowdfunding/]
+    N6{Social Media Promotion}
+    N7[[Fulfillment Planning]]
+    N8(Product Development Lifecycle)
+    N9([Due Diligence for Projects])
+    S0(( ))
+    M0(( ))
+    subgraph Platform Selection
+        nest0_0[[Customer Support for Backers]]
+        nest0_1[(Escrow Management)]
+        nest0_2[[Press Outreach]]
+    end
+    N0 -.-> |updates progress| N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> |manages debt| nest0_2
+    N7 -.-> nest0_0
+    nest0_2 -.-> N6
+    N2 --> S0
+    S0 -.-> N5
+    S0 -.-> |develops products| N7
+    N3 -.-> M0
+    N1 -.-> |builds communities| M0
+    M0 -.-> N5
+    style N0 fill:#F1F8E9,stroke:#81C784
+    style N1 fill:#E3F2FD,stroke:#64B5F6
+    style N2 fill:#F9FBE7,stroke:#C0CA33
+    style N3 fill:#F9FBE7,stroke:#C0CA33
+    style N4 fill:#F9FBE7,stroke:#C0CA33
+    style N5 fill:#E3F2FD,stroke:#64B5F6
+    style N6 fill:#F9FBE7,stroke:#C0CA33
+    style N7 fill:#E3F2FD,stroke:#64B5F6
+    style N8 fill:#F1F8E9,stroke:#81C784
+    style N9 fill:#E3F2FD,stroke:#64B5F6
+    style S0 fill:#F9FBE7,stroke:#C0CA33
+    style M0 fill:#F1F8E9,stroke:#81C784
+    style nest0_0 fill:#F9FBE7,stroke:#C0CA33
+    style nest0_1 fill:#E3F2FD,stroke:#64B5F6
+    style nest0_2 fill:#E3F2FD,stroke:#64B5F6
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#81C784,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:#81C784,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:#81C784,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#64B5F6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_201.txt b/test/mermaid/medium/mermaid_201.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7edf7e0efd9e5ef70e9b7d8e5e5423be0adad34e
--- /dev/null
+++ b/test/mermaid/medium/mermaid_201.txt
@@ -0,0 +1,20 @@
+<Customer Support for Backers, connectedTo, Escrow Management>
+<Customer Support for Backers, partOf, Platform Selection>
+<Escrow Management, manages debt, Press Outreach>
+<Escrow Management, partOf, Platform Selection>
+<Fulfillment Planning, connectedTo, Customer Support for Backers>
+<Fulfillment Planning, connectedTo, Product Development Lifecycle>
+<Goal Setting, connectedTo, Intellectual Property Protection>
+<Goal Setting, connectedTo, Real Estate Crowdfunding>
+<Goal Setting, develops products, Fulfillment Planning>
+<Intellectual Property Protection, connectedTo, Platform Fee Management>
+<Intellectual Property Protection, connectedTo, Real Estate Crowdfunding>
+<Investor Verification, builds communities, Real Estate Crowdfunding>
+<Investor Verification, connectedTo, Goal Setting>
+<Platform Fee Management, connectedTo, Real Estate Crowdfunding>
+<Press Outreach, connectedTo, Social Media Promotion>
+<Press Outreach, partOf, Platform Selection>
+<Product Development Lifecycle, connectedTo, Due Diligence for Projects>
+<Real Estate Crowdfunding, connectedTo, Social Media Promotion>
+<Social Media Promotion, connectedTo, Fulfillment Planning>
+<start, updates progress, Investor Verification>
diff --git a/test/mermaid/medium/mermaid_203.mmd b/test/mermaid/medium/mermaid_203.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ba86d364cf9063dea32e96518f4edbbf2d1946e3
--- /dev/null
+++ b/test/mermaid/medium/mermaid_203.mmd
@@ -0,0 +1,64 @@
+graph TD
+    N0([Supply Chain Optimization])
+    N1[[Device Prototyping]]
+    N2(Agricultural IoT)
+    N3[[Gateway Development]]
+    N4[/Power Management for Devices/]
+    N5[Connectivity Management]
+    N6([end])
+    M0(( ))
+    M1(( ))
+    subgraph Edge Computing for IoT
+        nest0_0[Predictive Maintenance]
+        nest0_1{Smart Manufacturing}
+        nest0_2(User Interface for IoT Apps)
+        nest0_3[[Wearable Technology]]
+    end
+    N0 -.-> |predicts events| N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> |optimizes operations| N6
+    nest0_0 --> nest0_1
+    nest0_1 -.-> |designs UIs| nest0_2
+    nest0_2 --> |processes streams| nest0_3
+    N5 -.-> nest0_0
+    nest0_3 --> N5
+    N3 -.-> |ensures privacy| M0
+    N2 -.-> |updates firmware| M0
+    M0 --> N5
+    N0 -.-> M1
+    N3 --> M1
+    M1 --> N5
+    style N0 fill:#FFF8E1,stroke:#FFD54F
+    style N1 fill:#ECF0FD,stroke:#B8C0F5
+    style N2 fill:#ECF0FD,stroke:#B8C0F5
+    style N3 fill:#ECF0FD,stroke:#B8C0F5
+    style N4 fill:#EFEBE9,stroke:#A1887F
+    style N5 fill:#ECF0FD,stroke:#B8C0F5
+    style N6 fill:#ECF0FD,stroke:#B8C0F5
+    style M0 fill:#ECF0FD,stroke:#B8C0F5
+    style M1 fill:#FFF8E1,stroke:#FFD54F
+    style nest0_0 fill:#ECF0FD,stroke:#B8C0F5
+    style nest0_1 fill:#ECF0FD,stroke:#B8C0F5
+    style nest0_2 fill:#FFF8E1,stroke:#FFD54F
+    style nest0_3 fill:#FFF8E1,stroke:#FFD54F
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A1887F,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:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A1887F,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:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFD54F,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFD54F,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_203.txt b/test/mermaid/medium/mermaid_203.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b79440da5e4dfd94db13082e6de12952fe2117fa
--- /dev/null
+++ b/test/mermaid/medium/mermaid_203.txt
@@ -0,0 +1,19 @@
+<Agricultural IoT, connectedTo, Gateway Development>
+<Agricultural IoT, updates firmware, Connectivity Management>
+<Connectivity Management, connectedTo, Predictive Maintenance>
+<Connectivity Management, optimizes operations, end>
+<Device Prototyping, connectedTo, Agricultural IoT>
+<Gateway Development, connectedTo, Connectivity Management>
+<Gateway Development, connectedTo, Power Management for Devices>
+<Gateway Development, ensures privacy, Connectivity Management>
+<Power Management for Devices, connectedTo, Connectivity Management>
+<Predictive Maintenance, connectedTo, Smart Manufacturing>
+<Predictive Maintenance, partOf, Edge Computing for IoT>
+<Smart Manufacturing, designs UIs, User Interface for IoT Apps>
+<Smart Manufacturing, partOf, Edge Computing for IoT>
+<Supply Chain Optimization, connectedTo, Connectivity Management>
+<Supply Chain Optimization, predicts events, Device Prototyping>
+<User Interface for IoT Apps, partOf, Edge Computing for IoT>
+<User Interface for IoT Apps, processes streams, Wearable Technology>
+<Wearable Technology, connectedTo, Connectivity Management>
+<Wearable Technology, partOf, Edge Computing for IoT>
diff --git a/test/mermaid/medium/mermaid_204.mmd b/test/mermaid/medium/mermaid_204.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e0c9aa24c539dab720cd23595d76318cca9f0329
--- /dev/null
+++ b/test/mermaid/medium/mermaid_204.mmd
@@ -0,0 +1,88 @@
+graph BT
+    N0([Retail IoT])
+    N1[(Real_time Data Streaming)]
+    N2[[Firmware Updates]]
+    N3{Edge Computing for IoT}
+    N4[Power Management for Devices]
+    N5{Interoperability Standards}
+    N6[IoT Device Certification]
+    N7(Device Management)
+    N8([Environmental Monitoring])
+    N9{Industrial IoT}
+    N10([User Interface for IoT Apps])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Agricultural IoT
+        nest0_0[/Gateway Development/]
+        nest0_1[[Over_the_Air Updates]]
+        nest0_2[Supply Chain Optimization]
+        nest0_3[Blockchain for IoT Security]
+    end
+    N0 -.-> N1
+    N1 -.-> |manages energy grids| N2
+    N2 -.-> |designs UIs| N3
+    N3 --> N4
+    N4 --> |analyzes insights| N5
+    N5 -.-> N6
+    N6 -.-> |integrates sensors| N7
+    N7 --> N8
+    N8 --> |prototypes devices| N9
+    N9 --> N10
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> |uses blockchain| nest0_2
+    nest0_2 --> nest0_3
+    N3 -.-> nest0_0
+    nest0_3 -.-> |configures APIs| N9
+    N2 --> S0
+    S0 -.-> N4
+    S0 -.-> |monitors healthcare| N5
+    N0 -.-> S1
+    S1 --> N6
+    S1 -.-> N4
+    N0 -.-> M0
+    N2 -.-> M0
+    M0 -.-> N8
+    style N0 fill:#D1C4E9,stroke:#673AB7
+    style N1 fill:#F5F5DC,stroke:#BCB88A
+    style N2 fill:#D1C4E9,stroke:#673AB7
+    style N3 fill:#C8E6C9,stroke:#388E3C
+    style N4 fill:#F5F5DC,stroke:#BCB88A
+    style N5 fill:#F5F5DC,stroke:#BCB88A
+    style N6 fill:#F5F5DC,stroke:#BCB88A
+    style N7 fill:#C8E6C9,stroke:#388E3C
+    style N8 fill:#C8E6C9,stroke:#388E3C
+    style N9 fill:#C8E6C9,stroke:#388E3C
+    style N10 fill:#C8E6C9,stroke:#388E3C
+    style S0 fill:#C8E6C9,stroke:#388E3C
+    style S1 fill:#F5F5DC,stroke:#BCB88A
+    style M0 fill:#D1C4E9,stroke:#673AB7
+    style nest0_0 fill:#F5F5DC,stroke:#BCB88A
+    style nest0_1 fill:#F5F5DC,stroke:#BCB88A
+    style nest0_2 fill:#D1C4E9,stroke:#673AB7
+    style nest0_3 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:#BCB88A,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:#673AB7,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:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,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:#BCB88A,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:#673AB7,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_204.txt b/test/mermaid/medium/mermaid_204.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9839b1fce0e152afea92beb15233ca9294cc29ed
--- /dev/null
+++ b/test/mermaid/medium/mermaid_204.txt
@@ -0,0 +1,25 @@
+<Blockchain for IoT Security, configures APIs, Industrial IoT>
+<Blockchain for IoT Security, partOf, Agricultural IoT>
+<Device Management, connectedTo, Environmental Monitoring>
+<Edge Computing for IoT, connectedTo, Gateway Development>
+<Edge Computing for IoT, connectedTo, Power Management for Devices>
+<Environmental Monitoring, prototypes devices, Industrial IoT>
+<Firmware Updates, connectedTo, Environmental Monitoring>
+<Firmware Updates, connectedTo, Power Management for Devices>
+<Firmware Updates, designs UIs, Edge Computing for IoT>
+<Firmware Updates, monitors healthcare, Interoperability Standards>
+<Gateway Development, connectedTo, Over_the_Air Updates>
+<Gateway Development, partOf, Agricultural IoT>
+<Industrial IoT, connectedTo, User Interface for IoT Apps>
+<Interoperability Standards, connectedTo, IoT Device Certification>
+<IoT Device Certification, integrates sensors, Device Management>
+<Over_the_Air Updates, partOf, Agricultural IoT>
+<Over_the_Air Updates, uses blockchain, Supply Chain Optimization>
+<Power Management for Devices, analyzes insights, Interoperability Standards>
+<Real_time Data Streaming, manages energy grids, Firmware Updates>
+<Retail IoT, connectedTo, Environmental Monitoring>
+<Retail IoT, connectedTo, IoT Device Certification>
+<Retail IoT, connectedTo, Power Management for Devices>
+<Retail IoT, connectedTo, Real_time Data Streaming>
+<Supply Chain Optimization, connectedTo, Blockchain for IoT Security>
+<Supply Chain Optimization, partOf, Agricultural IoT>
diff --git a/test/mermaid/medium/mermaid_205.mmd b/test/mermaid/medium/mermaid_205.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..36d0085c4251c7422faa9ea10aa37c85618c78f9
--- /dev/null
+++ b/test/mermaid/medium/mermaid_205.mmd
@@ -0,0 +1,66 @@
+graph LR
+    N0([Real_time Analytics at Edge])
+    N1(Security for Edge Devices)
+    N2([Edge Application Development])
+    N3[(Smart City Edge Solutions)]
+    N4([Edge Gateway Management])
+    N5{Edge Device Deployment}
+    N6[/Latency Reduction/]
+    N7[(Virtualization at Edge)]
+    N8([Sensor Data Aggregation])
+    N9([Edge Computing Hardware Selection])
+    M0(( ))
+    subgraph Offline Functionality
+        nest0_0[Connectivity to Cloud]
+        nest0_1{Industrial Edge Computing}
+        nest0_2[(Edge Network Topology Design)]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> |deploys analytics| N3
+    N3 -.-> |enables offline operations| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> |provides fault tolerance| N8
+    N8 --> N9
+    nest0_0 --> nest0_1
+    nest0_1 --> |enhances retail experiences| nest0_2
+    N1 -.-> nest0_0
+    nest0_2 --> N2
+    N0 --> M0
+    N2 --> |manages fleet| M0
+    N1 --> |stores data temporarily| M0
+    M0 --> N4
+    style N0 fill:#EBEBEB,stroke:#E0E0E0
+    style N1 fill:#EBEBEB,stroke:#E0E0E0
+    style N2 fill:#EDF5F3,stroke:#A1D7CD
+    style N3 fill:#EDF5F3,stroke:#A1D7CD
+    style N4 fill:#F8BBD0,stroke:#E91E63
+    style N5 fill:#F8BBD0,stroke:#E91E63
+    style N6 fill:#EBEBEB,stroke:#E0E0E0
+    style N7 fill:#EDF5F3,stroke:#A1D7CD
+    style N8 fill:#F8BBD0,stroke:#E91E63
+    style N9 fill:#EBEBEB,stroke:#E0E0E0
+    style M0 fill:#EBEBEB,stroke:#E0E0E0
+    style nest0_0 fill:#F8BBD0,stroke:#E91E63
+    style nest0_1 fill:#EBEBEB,stroke:#E0E0E0
+    style nest0_2 fill:#EDF5F3,stroke:#A1D7CD
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#E0E0E0,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:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#E91E63,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:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#A1D7CD,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#E0E0E0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_205.txt b/test/mermaid/medium/mermaid_205.txt
new file mode 100644
index 0000000000000000000000000000000000000000..39b0bffe4c545b02f2cab9f6d784c517b497fc1a
--- /dev/null
+++ b/test/mermaid/medium/mermaid_205.txt
@@ -0,0 +1,19 @@
+<Connectivity to Cloud, connectedTo, Industrial Edge Computing>
+<Connectivity to Cloud, partOf, Offline Functionality>
+<Edge Application Development, deploys analytics, Smart City Edge Solutions>
+<Edge Application Development, manages fleet, Edge Gateway Management>
+<Edge Device Deployment, connectedTo, Latency Reduction>
+<Edge Gateway Management, connectedTo, Edge Device Deployment>
+<Edge Network Topology Design, connectedTo, Edge Application Development>
+<Edge Network Topology Design, partOf, Offline Functionality>
+<Industrial Edge Computing, enhances retail experiences, Edge Network Topology Design>
+<Industrial Edge Computing, partOf, Offline Functionality>
+<Latency Reduction, connectedTo, Virtualization at Edge>
+<Real_time Analytics at Edge, connectedTo, Edge Gateway Management>
+<Real_time Analytics at Edge, connectedTo, Security for Edge Devices>
+<Security for Edge Devices, connectedTo, Connectivity to Cloud>
+<Security for Edge Devices, connectedTo, Edge Application Development>
+<Security for Edge Devices, stores data temporarily, Edge Gateway Management>
+<Sensor Data Aggregation, connectedTo, Edge Computing Hardware Selection>
+<Smart City Edge Solutions, enables offline operations, Edge Gateway Management>
+<Virtualization at Edge, provides fault tolerance, Sensor Data Aggregation>
diff --git a/test/mermaid/medium/mermaid_21.txt b/test/mermaid/medium/mermaid_21.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1f46702da602391823c96f42622abc5a0f90d974
--- /dev/null
+++ b/test/mermaid/medium/mermaid_21.txt
@@ -0,0 +1,19 @@
+<Battery Monitoring, connectedTo, Geothermal Power>
+<Battery Monitoring, connectedTo, Grid Balancing>
+<Battery Monitoring, connectedTo, Oil and Gas Exploration>
+<Battery Monitoring, connectedTo, Smart Metering>
+<Circuit Breaker Operation, backs up, Smart Metering>
+<Demand Forecast, connectedTo, Energy Trading>
+<Demand Forecast, partOf, Alert Dispatch>
+<Energy Trading, audits, Usage Billing>
+<Energy Trading, partOf, Alert Dispatch>
+<Geothermal Power, connectedTo, Circuit Breaker Operation>
+<Grid Balancing, connectedTo, Demand Forecast>
+<Grid Balancing, develops, end>
+<Oil and Gas Exploration, connectedTo, Geothermal Power>
+<Oil and Gas Exploration, connectedTo, Grid Balancing>
+<Pipeline Monitoring, connectedTo, Grid Balancing>
+<Pipeline Monitoring, partOf, Alert Dispatch>
+<Smart Metering, connectedTo, Oil and Gas Exploration>
+<Usage Billing, partOf, Alert Dispatch>
+<Usage Billing, secures, Pipeline Monitoring>
diff --git a/test/mermaid/medium/mermaid_211.txt b/test/mermaid/medium/mermaid_211.txt
new file mode 100644
index 0000000000000000000000000000000000000000..43d0e32953c27e6171e095c315b727f22b83058a
--- /dev/null
+++ b/test/mermaid/medium/mermaid_211.txt
@@ -0,0 +1,19 @@
+<Cabling and Wiring, connectedTo, Capacity Planning>
+<Cabling and Wiring, partOf, IT Asset Management>
+<Capacity Planning, yes, DNS Management>
+<DNS Management, yes, Environmental Monitoring>
+<Disaster Recovery Planning, connectedTo, end>
+<Environmental Monitoring, no, Disaster Recovery Planning>
+<Load Balancer Setup, connectedTo, DNS Management>
+<Load Balancer Setup, no, Troubleshooting and Support>
+<Load Balancer Setup, yes, Environmental Monitoring>
+<Network Security, connectedTo, Cabling and Wiring>
+<Network Security, partOf, IT Asset Management>
+<System Administration, connectedTo, Load Balancer Setup>
+<System Administration, connectedTo, end>
+<Troubleshooting and Support, connectedTo, Disaster Recovery Planning>
+<Troubleshooting and Support, connectedTo, Environmental Monitoring>
+<Troubleshooting and Support, connectedTo, Network Security>
+<Troubleshooting and Support, yes, Capacity Planning>
+<start, connectedTo, System Administration>
+<start, connectedTo, end>
diff --git a/test/mermaid/medium/mermaid_212.txt b/test/mermaid/medium/mermaid_212.txt
new file mode 100644
index 0000000000000000000000000000000000000000..92fdaffbfda0485c1ee3a4185e4fabf5321b8e33
--- /dev/null
+++ b/test/mermaid/medium/mermaid_212.txt
@@ -0,0 +1,26 @@
+<Backup and Recovery Systems, partOf, Cloud Integration with On_premise>
+<Backup and Recovery Systems, plans capacity, Software Licensing Management>
+<Cabling and Wiring, connectedTo, Environmental Monitoring>
+<Cabling and Wiring, connectedTo, Hardware Maintenance>
+<Cabling and Wiring, connectedTo, Power and Cooling Management>
+<Capacity Planning, connectedTo, Database Administration>
+<Environmental Monitoring, connectedTo, Storage Solutions>
+<Group Policy Management, connectedTo, Storage Solutions>
+<Group Policy Management, partOf, Cloud Integration with On_premise>
+<Hardware Maintenance, connectedTo, Monitoring and Alerting>
+<Hardware Maintenance, connectedTo, Power and Cooling Management>
+<Hardware Maintenance, manages groups, Proxy Server Configuration>
+<Mail Server Management, connectedTo, Capacity Planning>
+<Monitoring and Alerting, connectedTo, Proxy Server Configuration>
+<Monitoring and Alerting, maintains hardware, Network Performance Tuning>
+<Monitoring and Alerting, secures systems, Troubleshooting and Support>
+<Network Performance Tuning, connectedTo, Proxy Server Configuration>
+<Power and Cooling Management, connectedTo, Monitoring and Alerting>
+<Proxy Server Configuration, connectedTo, Environmental Monitoring>
+<Software Licensing Management, connectedTo, Group Policy Management>
+<Software Licensing Management, partOf, Cloud Integration with On_premise>
+<Storage Solutions, connectedTo, Mail Server Management>
+<System Administration, connectedTo, Cabling and Wiring>
+<System Administration, connectedTo, Monitoring and Alerting>
+<Troubleshooting and Support, connectedTo, Backup and Recovery Systems>
+<Troubleshooting and Support, partOf, Cloud Integration with On_premise>
diff --git a/test/mermaid/medium/mermaid_213.txt b/test/mermaid/medium/mermaid_213.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0d78075eaa7382b652aa86f11189cfe8cc1565c0
--- /dev/null
+++ b/test/mermaid/medium/mermaid_213.txt
@@ -0,0 +1,20 @@
+<Access Control Systems, automates tasks, Load Balancer Setup>
+<Access Control Systems, partOf, Capacity Planning>
+<Cloud Integration with On_premise, connectedTo, Database Administration>
+<Database Administration, manages directories, System Administration>
+<Directory Services, virtualizes resources, Cloud Integration with On_premise>
+<Load Balancer Setup, connectedTo, Server Deployment>
+<Mail Server Management, connectedTo, Monitoring and Alerting>
+<Network Design, connectedTo, Mail Server Management>
+<Power and Cooling Management, connectedTo, Directory Services>
+<Power and Cooling Management, connectedTo, Server Deployment>
+<Power and Cooling Management, plans capacity, Cloud Integration with On_premise>
+<Power and Cooling Management, troubleshoots issues, System Administration>
+<Remote Access Solutions, connectedTo, Access Control Systems>
+<Remote Access Solutions, partOf, Capacity Planning>
+<Server Deployment, connectedTo, Mail Server Management>
+<Server Deployment, connectedTo, Monitoring and Alerting>
+<Server Deployment, connectedTo, Network Design>
+<Server Deployment, connectedTo, Remote Access Solutions>
+<System Administration, connectedTo, Load Balancer Setup>
+<start, connectedTo, Power and Cooling Management>
diff --git a/test/mermaid/medium/mermaid_217.mmd b/test/mermaid/medium/mermaid_217.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e2a318e1c3d10122f1ea202d475e6f40a3066dcc
--- /dev/null
+++ b/test/mermaid/medium/mermaid_217.mmd
@@ -0,0 +1,61 @@
+graph TD
+    N0([start])
+    N1[Performance Optimization]
+    N2[/Continuous Delivery/]
+    N3[[Mobile Application Development]]
+    N4(Backend Development)
+    N5{Data Structures Implementation}
+    N6(Desktop Application Development)
+    N7([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Testing Frameworks
+        nest0_0[/Bug Fixing/]
+        nest0_1[[Refactoring]]
+        nest0_2{Maintenance}
+    end
+    N0 -.-> |yes| N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N2 --> nest0_0
+    nest0_2 --> |yes| N7
+    N4 --> S0
+    S0 --> N7
+    S0 -.-> N6
+    N2 -.-> S1
+    S1 -.-> N4
+    S1 -.-> N6
+    N0 -.-> M0
+    N1 -.-> M0
+    M0 --> N3
+    style S0 fill:#FCFCE7,stroke:#DCE775
+    style S1 fill:#F1F8FF,stroke:#42A5F5
+    style M0 fill:#FCFCE7,stroke:#DCE775
+    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:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#42A5F5,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:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#42A5F5,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:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#DCE775,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/medium/mermaid_218.mmd b/test/mermaid/medium/mermaid_218.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..4bbdc77f9188ecad35610135ab0bee182bc7667d
--- /dev/null
+++ b/test/mermaid/medium/mermaid_218.mmd
@@ -0,0 +1,79 @@
+graph LR
+    N0([start])
+    N1[Refactoring]
+    N2(Desktop Application Development)
+    N3[/Cloud_Native Development/]
+    N4[(Data Structures Implementation)]
+    N5[/System Testing/]
+    N6[Maintenance]
+    N7{Security Hardening}
+    N8(API Development)
+    N9[Continuous Delivery]
+    N10{System Design}
+    N11{Requirements Gathering}
+    N12([Agile Methodologies])
+    N13([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Algorithm Design
+        nest0_0(Coding)
+        nest0_1([Microservices Architecture])
+        nest0_2(Technical Debt Management)
+    end
+    N0 --> |yes| N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> |no| N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> |no| N8
+    N8 --> N9
+    N9 --> N10
+    N10 --> |yes| N11
+    N11 --> N12
+    N12 -.-> N13
+    nest0_0 --> nest0_1
+    nest0_1 -.-> |no| nest0_2
+    N11 -.-> nest0_0
+    nest0_2 -.-> N7
+    N8 --> S0
+    S0 --> N12
+    S0 --> N10
+    N7 --> S1
+    S1 -.-> N10
+    S1 -.-> N13
+    N6 --> |no| M0
+    N8 -.-> M0
+    M0 -.-> N11
+    style S0 fill:#FFFDE7,stroke:#FFF176
+    style S1 fill:#FFFDE7,stroke:#FFF176
+    style M0 fill:#ECEFF1,stroke:#90A4AE
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#90A4AE,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:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFF176,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:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#90A4AE,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:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#CDDC39,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#FFF176,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_221.txt b/test/mermaid/medium/mermaid_221.txt
new file mode 100644
index 0000000000000000000000000000000000000000..663ef5fbaabbfa0ab05c4a6a946c5b5431d89e68
--- /dev/null
+++ b/test/mermaid/medium/mermaid_221.txt
@@ -0,0 +1,25 @@
+<Assembly Line Optimization, connectedTo, PCB Layout>
+<Cable Management, develops ASICs, Low_Power Design>
+<Component Selection, connectedTo, Microcontroller Programming>
+<Component Selection, partOf, Power Management Design>
+<Cost Optimization, connectedTo, Regulatory Compliance>
+<Cost Optimization, partOf, Power Management Design>
+<Low_Power Design, performs reverse engineering, Assembly Line Optimization>
+<Mechanical Design Integration, connectedTo, Component Selection>
+<Mechanical Design Integration, designs FPGAs, Thermal Management>
+<Microcontroller Programming, connectedTo, Cost Optimization>
+<Microcontroller Programming, partOf, Power Management Design>
+<Mixed_Signal Design, connectedTo, RF Circuit Design>
+<PCB Layout, connectedTo, Firmware Development>
+<Power Integrity Analysis, connectedTo, Mechanical Design Integration>
+<Power Integrity Analysis, connectedTo, Prototyping>
+<Prototyping, ensures reliability, Cable Management>
+<RF Circuit Design, analyzes signals, Prototyping>
+<RF Circuit Design, connectedTo, Power Integrity Analysis>
+<Regulatory Compliance, connectedTo, Power Integrity Analysis>
+<Regulatory Compliance, partOf, Power Management Design>
+<Thermal Management, manages EMC, Prototyping>
+<start, connectedTo, Firmware Development>
+<start, connectedTo, Mixed_Signal Design>
+<start, connectedTo, PCB Layout>
+<start, designs optical systems, Cable Management>
diff --git a/test/mermaid/medium/mermaid_222.txt b/test/mermaid/medium/mermaid_222.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d6bf30a20bb15ae9cbc667ecbb114d68573a2348
--- /dev/null
+++ b/test/mermaid/medium/mermaid_222.txt
@@ -0,0 +1,24 @@
+<ASIC Design, connectedTo, Firmware Development>
+<ASIC Design, connectedTo, RF Circuit Design>
+<Actuator Control, designs fixtures, RF Circuit Design>
+<Actuator Control, manages cables, PCB Layout>
+<Actuator Control, oversees manufacturing, Cost Optimization>
+<Actuator Control, supervises assembly, Supply Chain Management for Components>
+<Circuit Design, connectedTo, Regulatory Compliance>
+<Circuit Design, partOf, Signal Integrity Analysis>
+<Cost Optimization, tests hardware, FPGA Design>
+<Enclosure Design, connectedTo, Schematic Capture>
+<Firmware Development, connectedTo, Actuator Control>
+<Firmware Development, connectedTo, RF Circuit Design>
+<PCB Layout, designs FPGAs, Quality Control>
+<PCB Layout, partOf, Signal Integrity Analysis>
+<Power Management Design, connectedTo, Cost Optimization>
+<Quality Control, connectedTo, Circuit Design>
+<Quality Control, partOf, Signal Integrity Analysis>
+<RF Circuit Design, connectedTo, Supply Chain Management for Components>
+<Regulatory Compliance, connectedTo, FPGA Design>
+<Regulatory Compliance, partOf, Signal Integrity Analysis>
+<Schematic Capture, troubleshoots issues, Power Management Design>
+<Supply Chain Management for Components, connectedTo, Enclosure Design>
+<start, connectedTo, ASIC Design>
+<start, connectedTo, RF Circuit Design>
diff --git a/test/mermaid/medium/mermaid_224.mmd b/test/mermaid/medium/mermaid_224.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f74c52db343b4db112b3baed54520db64b5a372c
--- /dev/null
+++ b/test/mermaid/medium/mermaid_224.mmd
@@ -0,0 +1,76 @@
+graph BT
+    N0([Ad Monetization])
+    N1[[Biometric Authentication]]
+    N2{Analytics Tracking}
+    N3[Prototyping]
+    N4([Gamification Elements])
+    N5([Deployment to App Stores])
+    N6[[Backend Integration]]
+    N7([User Experience Design])
+    N8([AR or VR Features in Mobile])
+    N9([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph In_App Purchase Integration
+        nest0_0[/Testing and Debugging/]
+        nest0_1[/Native App Development/]
+    end
+    N0 -.-> |develops AR or VR features| N1
+    N1 --> N2
+    N2 -.-> |processes payments| N3
+    N3 --> N4
+    N4 --> |integrates chat| N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> |integrates camera| N9
+    nest0_0 --> nest0_1
+    N7 -.-> nest0_0
+    nest0_1 --> N4
+    N0 --> S0
+    S0 -.-> |implements security| N8
+    S0 --> N5
+    N1 -.-> S1
+    S1 -.-> |integrates in_app purchases| N7
+    S1 -.-> N4
+    N0 -.-> M0
+    N3 -.-> M0
+    M0 --> N7
+    style N0 fill:#F1F8E9,stroke:#81C784
+    style N1 fill:#E1BEE7,stroke:#9C27B0
+    style N2 fill:#E1BEE7,stroke:#9C27B0
+    style N3 fill:#F1F8E9,stroke:#81C784
+    style N4 fill:#EDE7F6,stroke:#9575CD
+    style N5 fill:#F1F8E9,stroke:#81C784
+    style N6 fill:#F1F8E9,stroke:#81C784
+    style N7 fill:#EDE7F6,stroke:#9575CD
+    style N8 fill:#F1F8E9,stroke:#81C784
+    style N9 fill:#EDE7F6,stroke:#9575CD
+    style S0 fill:#EDE7F6,stroke:#9575CD
+    style S1 fill:#EDE7F6,stroke:#9575CD
+    style M0 fill:#E1BEE7,stroke:#9C27B0
+    style nest0_0 fill:#EDE7F6,stroke:#9575CD
+    style nest0_1 fill:#EDE7F6,stroke:#9575CD
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#81C784,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#81C784,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:#81C784,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#9575CD,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:#81C784,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#9575CD,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_227.mmd b/test/mermaid/medium/mermaid_227.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1e2ee7e565ef84a6dcd56e823190fb0ec4880680
--- /dev/null
+++ b/test/mermaid/medium/mermaid_227.mmd
@@ -0,0 +1,64 @@
+graph RL
+    N0([start])
+    N1[[Crisis Management]]
+    N2[/Hashtag Research/]
+    N3[Social Selling]
+    N4[Content Strategy]
+    N5(Group Management)
+    N6(Cross_Promotion)
+    N7[(Competitor Analysis)]
+    N8([Ethical Use of Social Media])
+    S0(( ))
+    M0(( ))
+    subgraph Trend Monitoring
+        nest0_0([Influencer Collaboration])
+        nest0_1[Reels or Short Video Production]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> |collaborates with influencers| N4
+    N4 -.-> |drives sales| N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    nest0_0 --> nest0_1
+    N2 --> nest0_0
+    nest0_1 -.-> |manages profiles| N3
+    N0 --> S0
+    S0 --> |cross_promotes content| N5
+    S0 -.-> N2
+    N2 -.-> |builds groups| M0
+    N4 --> M0
+    M0 -.-> N7
+    style N0 fill:#FFFAE0,stroke:#FFE470
+    style N1 fill:#FBE9E7,stroke:#FF8A65
+    style N2 fill:#FFFAE0,stroke:#FFE470
+    style N3 fill:#FBE9E7,stroke:#FF8A65
+    style N4 fill:#C8E6C9,stroke:#388E3C
+    style N5 fill:#FFFAE0,stroke:#FFE470
+    style N6 fill:#FBE9E7,stroke:#FF8A65
+    style N7 fill:#FBE9E7,stroke:#FF8A65
+    style N8 fill:#FFFAE0,stroke:#FFE470
+    style S0 fill:#C8E6C9,stroke:#388E3C
+    style M0 fill:#C8E6C9,stroke:#388E3C
+    style nest0_0 fill:#C8E6C9,stroke:#388E3C
+    style nest0_1 fill:#FBE9E7,stroke:#FF8A65
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FF8A65,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:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFE470,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,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/medium/mermaid_23.txt b/test/mermaid/medium/mermaid_23.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a53167c0cb7a2b7d58d7298e482a3b38b464b522
--- /dev/null
+++ b/test/mermaid/medium/mermaid_23.txt
@@ -0,0 +1,25 @@
+<Appeal Submission, connectedTo, Closing Argument>
+<Appeal Submission, connectedTo, Verdict Announcement>
+<Bail Hearing, yes, Court Order Execution>
+<Bankruptcy Filing, connectedTo, Estate Planning>
+<Bankruptcy Filing, connectedTo, Verdict Announcement>
+<Bankruptcy Filing, connectedTo, end>
+<Bankruptcy Filing, yes, Child Custody>
+<Child Custody, connectedTo, Appeal Submission>
+<Closing Argument, no, Plea Bargain>
+<Closing Argument, partOf, Discovery Process>
+<Court Order Execution, no, Witness Testimony>
+<Estate Planning, connectedTo, Child Custody>
+<Evidence Collection, connectedTo, Legal Consultation>
+<Immigration Petition, connectedTo, Notarization>
+<Jury Selection, connectedTo, Estate Planning>
+<Jury Selection, no, Evidence Collection>
+<Legal Consultation, no, Estate Planning>
+<Legal Consultation, yes, Immigration Petition>
+<Notarization, connectedTo, Bail Hearing>
+<Plea Bargain, connectedTo, end>
+<Plea Bargain, partOf, Discovery Process>
+<Verdict Announcement, connectedTo, end>
+<Witness Testimony, connectedTo, Verdict Announcement>
+<Witness Testimony, yes, Bankruptcy Filing>
+<start, connectedTo, Jury Selection>
diff --git a/test/mermaid/medium/mermaid_231.mmd b/test/mermaid/medium/mermaid_231.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..66c16e3cd6bf9fdcfa48564e35a11c584a89119e
--- /dev/null
+++ b/test/mermaid/medium/mermaid_231.mmd
@@ -0,0 +1,60 @@
+graph BT
+    N0([start])
+    N1[[Google Analytics Integration]]
+    N2([Search Engine Marketing Strategy])
+    N3([Off_Page SEO])
+    N4[Personalized Search Results]
+    N5[Mobile_First Indexing]
+    N6[Search Result Display]
+    N7(Video Search)
+    N8[[Image Search]]
+    N9([end])
+    S0(( ))
+    M0(( ))
+    subgraph International SEO
+        nest0_0(Click_Through Rate Optimization)
+        nest0_1(Search Engine Optimization)
+    end
+    N0 -.-> |yes| N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> |no| N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> |no| N9
+    nest0_0 -.-> |no| nest0_1
+    N5 -.-> |no| nest0_0
+    nest0_1 -.-> N6
+    N1 --> S0
+    S0 -.-> N3
+    S0 -.-> N6
+    S0 -.-> N7
+    N2 -.-> M0
+    N0 --> M0
+    N1 -.-> M0
+    M0 -.-> N4
+    style S0 fill:#FDFCEB,stroke:#EAEFA5
+    style M0 fill:#E0F7FA,stroke:#00BCD4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#00BCD4,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/medium/mermaid_233.mmd b/test/mermaid/medium/mermaid_233.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e3cb2a5418e2bf07a00cb91cc4f21d97b3a96544
--- /dev/null
+++ b/test/mermaid/medium/mermaid_233.mmd
@@ -0,0 +1,76 @@
+graph RL
+    N0([Single Sign_On])
+    N1[Data Encryption for Identity]
+    N2[Privacy Management]
+    N3{Decentralized Identifiers}
+    N4[(Verifiable Credentials)]
+    N5[(Consent Management)]
+    N6[Authentication]
+    N7(Credential Management)
+    N8(Attribute Management)
+    N9{Digital Certificates}
+    N10[[Fraud Detection in Identity]]
+    N11([Digital Signatures])
+    S0(( ))
+    M0(( ))
+    subgraph Identity Lifecycle Management
+        nest0_0[Identity Proofing]
+        nest0_1([Customer Identity and Access Management])
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 --> |provides IDaaS| N7
+    N7 -.-> N8
+    N8 --> |implements adaptive authentication| N9
+    N9 -.-> N10
+    N10 --> N11
+    nest0_0 --> nest0_1
+    N5 -.-> nest0_0
+    nest0_1 -.-> N10
+    N1 --> S0
+    S0 -.-> |authorizes access| N6
+    S0 -.-> N7
+    N1 -.-> M0
+    N2 -.-> M0
+    M0 --> N6
+    style N0 fill:#ECF0FD,stroke:#B8C0F5
+    style N1 fill:#F5F5F5,stroke:#BDBDBD
+    style N2 fill:#ECF0FD,stroke:#B8C0F5
+    style N3 fill:#F5F5F5,stroke:#BDBDBD
+    style N4 fill:#F5F5F5,stroke:#BDBDBD
+    style N5 fill:#C8EDFF,stroke:#82DAFF
+    style N6 fill:#F5F5F5,stroke:#BDBDBD
+    style N7 fill:#ECF0FD,stroke:#B8C0F5
+    style N8 fill:#F5F5F5,stroke:#BDBDBD
+    style N9 fill:#C8EDFF,stroke:#82DAFF
+    style N10 fill:#F5F5F5,stroke:#BDBDBD
+    style N11 fill:#F5F5F5,stroke:#BDBDBD
+    style S0 fill:#C8EDFF,stroke:#82DAFF
+    style M0 fill:#C8EDFF,stroke:#82DAFF
+    style nest0_0 fill:#ECF0FD,stroke:#B8C0F5
+    style nest0_1 fill:#C8EDFF,stroke:#82DAFF
+    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:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#BDBDBD,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:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#BDBDBD,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:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#82DAFF,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_236.mmd b/test/mermaid/medium/mermaid_236.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..2436b06d99e1d0cc9e029b36b216b95aabe2e4ec
--- /dev/null
+++ b/test/mermaid/medium/mermaid_236.mmd
@@ -0,0 +1,92 @@
+graph TD
+    N0([start])
+    N1(Learning Analytics)
+    N2{Parent or Guardian Communication}
+    N3(Student Engagement Strategies)
+    N4[Virtual Field Trips]
+    N5[/Curriculum Development/]
+    N6{AI in Online Education}
+    N7[(Certification Issuance)]
+    N8[Interactive Learning Activities]
+    N9(Collaborative Projects)
+    N10[Synchronous Learning]
+    N11([Assessment Design])
+    N12[Virtual Classroom Facilitation]
+    N13[Instructor Training]
+    N14[Language Learning Platforms]
+    N15([end])
+    S0(( ))
+    M0(( ))
+    subgraph Blended Learning Models
+        nest0_0[Accessibility Features]
+        nest0_1{Virtual Labs and Simulations}
+    end
+    N0 -.-> |creates analytics dashboards| N1
+    N1 --> |manages student info| N2
+    N2 --> N3
+    N3 -.-> |hosts MOOCs| N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> N11
+    N11 --> |administers assessments| N12
+    N12 --> N13
+    N13 --> |offers online tutoring| N14
+    N14 --> |protects data privacy| N15
+    nest0_0 --> nest0_1
+    N12 -.-> |provides digital textbooks| nest0_0
+    nest0_1 --> |provides feedback| N8
+    N1 --> S0
+    S0 --> |creates courses| N7
+    S0 --> N5
+    N2 --> M0
+    N5 --> M0
+    M0 -.-> N10
+    style N0 fill:#F3E5F5,stroke:#AB47BC
+    style N1 fill:#F3E5F5,stroke:#AB47BC
+    style N2 fill:#C2E8E6,stroke:#61CAC3
+    style N3 fill:#F3E5F5,stroke:#AB47BC
+    style N4 fill:#C2E8E6,stroke:#61CAC3
+    style N5 fill:#F3E5F5,stroke:#AB47BC
+    style N6 fill:#C2E8E6,stroke:#61CAC3
+    style N7 fill:#C8EDFF,stroke:#82DAFF
+    style N8 fill:#F3E5F5,stroke:#AB47BC
+    style N9 fill:#F3E5F5,stroke:#AB47BC
+    style N10 fill:#F3E5F5,stroke:#AB47BC
+    style N11 fill:#C8EDFF,stroke:#82DAFF
+    style N12 fill:#C2E8E6,stroke:#61CAC3
+    style N13 fill:#C8EDFF,stroke:#82DAFF
+    style N14 fill:#C8EDFF,stroke:#82DAFF
+    style N15 fill:#C2E8E6,stroke:#61CAC3
+    style S0 fill:#C8EDFF,stroke:#82DAFF
+    style M0 fill:#F3E5F5,stroke:#AB47BC
+    style nest0_0 fill:#F3E5F5,stroke:#AB47BC
+    style nest0_1 fill:#C8EDFF,stroke:#82DAFF
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#61CAC3,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:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#61CAC3,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:#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:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#AB47BC,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#82DAFF,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#82DAFF,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_236.txt b/test/mermaid/medium/mermaid_236.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5a5db2cdc428cca0f94ad859acb87f7a4421a034
--- /dev/null
+++ b/test/mermaid/medium/mermaid_236.txt
@@ -0,0 +1,24 @@
+<AI in Online Education, connectedTo, Certification Issuance>
+<Accessibility Features, connectedTo, Virtual Labs and Simulations>
+<Accessibility Features, partOf, Blended Learning Models>
+<Assessment Design, administers assessments, Virtual Classroom Facilitation>
+<Certification Issuance, connectedTo, Interactive Learning Activities>
+<Collaborative Projects, connectedTo, Synchronous Learning>
+<Curriculum Development, connectedTo, AI in Online Education>
+<Curriculum Development, connectedTo, Synchronous Learning>
+<Instructor Training, offers online tutoring, Language Learning Platforms>
+<Interactive Learning Activities, connectedTo, Collaborative Projects>
+<Language Learning Platforms, protects data privacy, end>
+<Learning Analytics, connectedTo, Curriculum Development>
+<Learning Analytics, creates courses, Certification Issuance>
+<Learning Analytics, manages student info, Parent or Guardian Communication>
+<Parent or Guardian Communication, connectedTo, Student Engagement Strategies>
+<Parent or Guardian Communication, connectedTo, Synchronous Learning>
+<Student Engagement Strategies, hosts MOOCs, Virtual Field Trips>
+<Synchronous Learning, connectedTo, Assessment Design>
+<Virtual Classroom Facilitation, connectedTo, Instructor Training>
+<Virtual Classroom Facilitation, provides digital textbooks, Accessibility Features>
+<Virtual Field Trips, connectedTo, Curriculum Development>
+<Virtual Labs and Simulations, partOf, Blended Learning Models>
+<Virtual Labs and Simulations, provides feedback, Interactive Learning Activities>
+<start, creates analytics dashboards, Learning Analytics>
diff --git a/test/mermaid/medium/mermaid_239.txt b/test/mermaid/medium/mermaid_239.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ed0d78e779735f6cffb5bfa700918da240d3f7bb
--- /dev/null
+++ b/test/mermaid/medium/mermaid_239.txt
@@ -0,0 +1,23 @@
+<Assessment Creation, connectedTo, Career Pathway Mapping>
+<Assessment Creation, connectedTo, Industry Collaboration for Content>
+<Career Pathway Mapping, supports diverse learners, Certificate of Completion Issuance>
+<Certificate of Completion Issuance, connectedTo, Corporate Training Solutions>
+<Completion Rate Optimization, optimizes engagement, Course Content Development>
+<Corporate Training Solutions, connectedTo, Completion Rate Optimization>
+<Corporate Training Solutions, connectedTo, Course Content Development>
+<Corporate Training Solutions, connectedTo, Platform Selection>
+<Corporate Training Solutions, connectedTo, Research on MOOC Effectiveness>
+<Course Content Development, innovates pedagogy, Instructor_Led Sessions>
+<Industry Collaboration for Content, partOf, Skill_Based Learning Outcomes>
+<Industry Collaboration for Content, secures data, University Partnerships>
+<Learner Analytics, connectedTo, Video Lecture Production>
+<Learner Support, connectedTo, Verified Track Management>
+<Learner Support, partOf, Skill_Based Learning Outcomes>
+<Mobile Learning Experience, connectedTo, Verified Track Management>
+<Platform Selection, connectedTo, Completion Rate Optimization>
+<Research on MOOC Effectiveness, connectedTo, Platform Selection>
+<University Partnerships, partOf, Skill_Based Learning Outcomes>
+<University Partnerships, updates content, Learner Support>
+<Verified Track Management, connectedTo, Learner Analytics>
+<Video Lecture Production, delivers lectures, Assessment Creation>
+<start, connectedTo, Mobile Learning Experience>
diff --git a/test/mermaid/medium/mermaid_243.mmd b/test/mermaid/medium/mermaid_243.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f399fb1f54b3e7c69cfb4fdd3a81ba9aad37f0f7
--- /dev/null
+++ b/test/mermaid/medium/mermaid_243.mmd
@@ -0,0 +1,92 @@
+graph BT
+    N0([Interactive Exercises])
+    N1[[Math Skills Refresher]]
+    N2([Subject Matter Review])
+    N3[(Personalized Study Plans)]
+    N4[/English Proficiency Test Prep/]
+    N5([College Entrance Exam Prep])
+    N6([Question Bank Management])
+    N7[Tutoring Session]
+    N8[(Flashcard Creation)]
+    N9[/Study Environment Optimization/]
+    N10[(Certification Exam Prep)]
+    N11[Study Material Design]
+    N12{Curriculum Development}
+    N13([Stress Management for Exams])
+    S0(( ))
+    M0(( ))
+    subgraph Memory Techniques Training
+        nest0_0[Student Progress Tracking]
+        nest0_1[(Practice Test Creation)]
+        nest0_2[(Virtual Proctoring)]
+        nest0_3(Online Course Delivery)
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> |provides| N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> |assesses| N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    N10 --> N11
+    N11 --> |engages| N12
+    N12 --> N13
+    nest0_0 --> nest0_1
+    nest0_1 -.-> |accelerates| nest0_2
+    nest0_2 -.-> |updates| nest0_3
+    N5 --> nest0_0
+    nest0_3 --> N10
+    N3 --> S0
+    S0 --> N11
+    S0 -.-> N7
+    N4 --> M0
+    N6 --> M0
+    M0 --> N9
+    style N0 fill:#FFF3E0,stroke:#FFB74D
+    style N1 fill:#FFF3E0,stroke:#FFB74D
+    style N2 fill:#FFF3E0,stroke:#FFB74D
+    style N3 fill:#E8EAF6,stroke:#7986CB
+    style N4 fill:#FFF3E0,stroke:#FFB74D
+    style N5 fill:#FAEBF3,stroke:#F7BEE0
+    style N6 fill:#FAEBF3,stroke:#F7BEE0
+    style N7 fill:#FAEBF3,stroke:#F7BEE0
+    style N8 fill:#FFF3E0,stroke:#FFB74D
+    style N9 fill:#FFF3E0,stroke:#FFB74D
+    style N10 fill:#E8EAF6,stroke:#7986CB
+    style N11 fill:#FFF3E0,stroke:#FFB74D
+    style N12 fill:#E8EAF6,stroke:#7986CB
+    style N13 fill:#FAEBF3,stroke:#F7BEE0
+    style S0 fill:#FFF3E0,stroke:#FFB74D
+    style M0 fill:#FFF3E0,stroke:#FFB74D
+    style nest0_0 fill:#FFF3E0,stroke:#FFB74D
+    style nest0_1 fill:#FAEBF3,stroke:#F7BEE0
+    style nest0_2 fill:#FFF3E0,stroke:#FFB74D
+    style nest0_3 fill:#FFF3E0,stroke:#FFB74D
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,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:#7986CB,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:#7986CB,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:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#F7BEE0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#F7BEE0,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:#FFB74D,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#F7BEE0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_247.txt b/test/mermaid/medium/mermaid_247.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3aeb962d8f1b7b8e6107deb125f8ea95998ad652
--- /dev/null
+++ b/test/mermaid/medium/mermaid_247.txt
@@ -0,0 +1,19 @@
+<Art Therapy, connectedTo, Cognitive Behavioral Therapy>
+<Art Therapy, connectedTo, Digital Mental Health Tools>
+<Art Therapy, connectedTo, Trauma Therapy>
+<Art Therapy, researches, Relapse Prevention>
+<Cognitive Behavioral Therapy, connectedTo, Grief Counseling>
+<Cognitive Behavioral Therapy, monitors, Recreational Therapy>
+<Dialectical Behavior Therapy, communicates, Music Therapy>
+<Digital Mental Health Tools, connectedTo, Treatment Plan Development>
+<Eating Disorder Treatment, connectedTo, Trauma Therapy>
+<Grief Counseling, connectedTo, Workplace Mental Health Programs>
+<Grief Counseling, partOf, Inpatient Treatment Coordination>
+<Recreational Therapy, connectedTo, Dialectical Behavior Therapy>
+<Relapse Prevention, integrates, Cognitive Behavioral Therapy>
+<Substance Abuse Counseling, protects, Eating Disorder Treatment>
+<Trauma Therapy, connectedTo, Relapse Prevention>
+<Treatment Plan Development, connectedTo, Substance Abuse Counseling>
+<Treatment Plan Development, medicates, Cognitive Behavioral Therapy>
+<Workplace Mental Health Programs, connectedTo, Eating Disorder Treatment>
+<Workplace Mental Health Programs, partOf, Inpatient Treatment Coordination>
diff --git a/test/mermaid/medium/mermaid_251.txt b/test/mermaid/medium/mermaid_251.txt
new file mode 100644
index 0000000000000000000000000000000000000000..03a1266097c821b23b3562adc82818bbd471cb81
--- /dev/null
+++ b/test/mermaid/medium/mermaid_251.txt
@@ -0,0 +1,20 @@
+<Agricultural Nutrition Impact, connectedTo, Maternal Nutrition>
+<Agricultural Nutrition Impact, connectedTo, Metabolism Rate Assessment>
+<Dietary Assessment, counsels, Food Label Interpretation>
+<Dietary Assessment, partOf, Weight Management>
+<Food Label Interpretation, connectedTo, Food Waste Reduction>
+<Food Waste Reduction, connectedTo, Agricultural Nutrition Impact>
+<Food Waste Reduction, connectedTo, Metabolism Rate Assessment>
+<Maternal Nutrition, complies, Macronutrient Tracking>
+<Maternal Nutrition, connectedTo, Macronutrient Tracking>
+<Maternal Nutrition, connectedTo, Metabolism Rate Assessment>
+<Maternal Nutrition, connectedTo, Sustainable Food Systems>
+<Metabolism Rate Assessment, connectedTo, Micronutrient Analysis>
+<Metabolism Rate Assessment, connectedTo, Sustainable Food Systems>
+<Micronutrient Analysis, connectedTo, Restaurant Menu Analysis>
+<Micronutrient Analysis, partOf, Weight Management>
+<Restaurant Menu Analysis, balances, Dietary Assessment>
+<Restaurant Menu Analysis, partOf, Weight Management>
+<Sustainable Food Systems, connectedTo, Macronutrient Tracking>
+<start, develops, Metabolism Rate Assessment>
+<start, recommends, Food Label Interpretation>
diff --git a/test/mermaid/medium/mermaid_254.mmd b/test/mermaid/medium/mermaid_254.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..fdfc1263749d3867213b2ac49212848f13614cce
--- /dev/null
+++ b/test/mermaid/medium/mermaid_254.mmd
@@ -0,0 +1,94 @@
+graph BT
+    N0([Nutrition for Fitness])
+    N1(Core Strengthening)
+    N2[(Yoga Instruction)]
+    N3[/Balance and Coordination/]
+    N4(HIIT Workouts)
+    N5[Workout Planning]
+    N6[/Biometric Feedback Integration/]
+    N7[Sports_Specific Training]
+    N8{Cardiovascular Training}
+    N9{Pilates Instruction}
+    N10(Functional Fitness Training)
+    N11{Recovery Strategies}
+    N12([Personal Training])
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    subgraph Hydration for Exercise
+        nest0_0[[Wearable Fitness Devices]]
+        nest0_1{Injury Prevention}
+        nest0_2[/Rehabilitation Exercises/]
+    end
+    N0 -.-> N1
+    N1 -.-> |tests| N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> |plans| N5
+    N5 -.-> N6
+    N6 -.-> |optimizes| N7
+    N7 -.-> N8
+    N8 --> |improves| N9
+    N9 -.-> |visualizes| N10
+    N10 --> N11
+    N11 --> N12
+    nest0_0 -.-> |exercises| nest0_1
+    nest0_1 --> |designs| nest0_2
+    N4 --> nest0_0
+    nest0_2 --> N1
+    N9 -.-> S0
+    S0 --> N11
+    S0 -.-> N12
+    N1 -.-> S1
+    S1 --> N6
+    S1 -.-> N11
+    S1 --> N9
+    N1 --> |tracks| M1
+    N0 --> M1
+    M1 --> N5
+    style N0 fill:#FFF3E0,stroke:#FFA726
+    style N1 fill:#E3F2FD,stroke:#64B5F6
+    style N2 fill:#E3F2FD,stroke:#64B5F6
+    style N3 fill:#F5F5F5,stroke:#BDBDBD
+    style N4 fill:#FFF3E0,stroke:#FFA726
+    style N5 fill:#FFF3E0,stroke:#FFA726
+    style N6 fill:#F5F5F5,stroke:#BDBDBD
+    style N7 fill:#E3F2FD,stroke:#64B5F6
+    style N8 fill:#FFF3E0,stroke:#FFA726
+    style N9 fill:#E3F2FD,stroke:#64B5F6
+    style N10 fill:#F5F5F5,stroke:#BDBDBD
+    style N11 fill:#F5F5F5,stroke:#BDBDBD
+    style N12 fill:#FFF3E0,stroke:#FFA726
+    style S0 fill:#FFF3E0,stroke:#FFA726
+    style S1 fill:#FFF3E0,stroke:#FFA726
+    style M1 fill:#FFF3E0,stroke:#FFA726
+    style nest0_0 fill:#F5F5F5,stroke:#BDBDBD
+    style nest0_1 fill:#E3F2FD,stroke:#64B5F6
+    style nest0_2 fill:#FFF3E0,stroke:#FFA726
+    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:#FFA726,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:#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:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#64B5F6,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#BDBDBD,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_254.txt b/test/mermaid/medium/mermaid_254.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b8b785cb86abec9ccbd31b764c43e4a5315329ff
--- /dev/null
+++ b/test/mermaid/medium/mermaid_254.txt
@@ -0,0 +1,26 @@
+<Balance and Coordination, connectedTo, HIIT Workouts>
+<Biometric Feedback Integration, optimizes, Sports_Specific Training>
+<Cardiovascular Training, improves, Pilates Instruction>
+<Core Strengthening, connectedTo, Biometric Feedback Integration>
+<Core Strengthening, connectedTo, Pilates Instruction>
+<Core Strengthening, connectedTo, Recovery Strategies>
+<Core Strengthening, tests, Yoga Instruction>
+<Core Strengthening, tracks, Workout Planning>
+<Functional Fitness Training, connectedTo, Recovery Strategies>
+<HIIT Workouts, connectedTo, Wearable Fitness Devices>
+<HIIT Workouts, plans, Workout Planning>
+<Injury Prevention, designs, Rehabilitation Exercises>
+<Injury Prevention, partOf, Hydration for Exercise>
+<Nutrition for Fitness, connectedTo, Core Strengthening>
+<Nutrition for Fitness, connectedTo, Workout Planning>
+<Pilates Instruction, connectedTo, Personal Training>
+<Pilates Instruction, connectedTo, Recovery Strategies>
+<Pilates Instruction, visualizes, Functional Fitness Training>
+<Recovery Strategies, connectedTo, Personal Training>
+<Rehabilitation Exercises, connectedTo, Core Strengthening>
+<Rehabilitation Exercises, partOf, Hydration for Exercise>
+<Sports_Specific Training, connectedTo, Cardiovascular Training>
+<Wearable Fitness Devices, exercises, Injury Prevention>
+<Wearable Fitness Devices, partOf, Hydration for Exercise>
+<Workout Planning, connectedTo, Biometric Feedback Integration>
+<Yoga Instruction, connectedTo, Balance and Coordination>
diff --git a/test/mermaid/medium/mermaid_255.txt b/test/mermaid/medium/mermaid_255.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6476d20b2ce2051ffffb8b539e30c26e73c4485a
--- /dev/null
+++ b/test/mermaid/medium/mermaid_255.txt
@@ -0,0 +1,26 @@
+<Biometric Feedback Integration, connectedTo, Cardiovascular Training>
+<Cardiovascular Training, trains, Functional Fitness Training>
+<Community Fitness Challenges, connectedTo, Weightlifting Techniques>
+<Cross_Training, connectedTo, Cardiovascular Training>
+<Cross_Training, connectedTo, Community Fitness Challenges>
+<Endurance Training, connectedTo, Nutrition for Fitness>
+<Functional Fitness Training, connectedTo, Home Workout Programs>
+<Home Workout Programs, assesses, Endurance Training>
+<Hydration for Exercise, connectedTo, Outdoor Fitness Activities>
+<Hydration for Exercise, partOf, Sports_Specific Training>
+<Nutrition for Fitness, connectedTo, Hydration for Exercise>
+<Nutrition for Fitness, connectedTo, Personalized Exercise Prescriptions>
+<Online Fitness Coaching, connectedTo, Endurance Training>
+<Online Fitness Coaching, connectedTo, Strength Training>
+<Online Fitness Coaching, improves, Cardiovascular Training>
+<Online Fitness Coaching, visualizes, Workout Planning>
+<Outdoor Fitness Activities, connectedTo, Nutrition for Fitness>
+<Outdoor Fitness Activities, partOf, Sports_Specific Training>
+<Strength Training, connectedTo, Cardiovascular Training>
+<Strength Training, connectedTo, Endurance Training>
+<Strength Training, connectedTo, Personalized Exercise Prescriptions>
+<Strength Training, connectedTo, Workout Planning>
+<Weightlifting Techniques, strengthens, Biometric Feedback Integration>
+<Workout Planning, connectedTo, Cross_Training>
+<start, connectedTo, Cardiovascular Training>
+<start, connectedTo, Online Fitness Coaching>
diff --git a/test/mermaid/medium/mermaid_256.mmd b/test/mermaid/medium/mermaid_256.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c62826d40b697879690f4a95474adf992c105e11
--- /dev/null
+++ b/test/mermaid/medium/mermaid_256.mmd
@@ -0,0 +1,98 @@
+graph TD
+    N0([start])
+    N1[Positive Psychology Application]
+    N2{Journaling for Wellness}
+    N3[Nutrition Guidance]
+    N4[Nature Connection]
+    N5[Sleep Optimization]
+    N6[Community Wellness Programs]
+    N7[[Personal Growth Planning]]
+    N8(Wellness Retreat Planning)
+    N9[Holistic Health Assessment]
+    N10(Stress Management)
+    N11[Chiropractic Care]
+    N12([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Emotional Well_being
+        nest0_0{Massage Therapy}
+        nest0_1[[Behavior Change Support]]
+        nest0_2[Acupuncture Consultation]
+    end
+    N0 -.-> N1
+    N1 -.-> |educates| N2
+    N2 --> |engages| N3
+    N3 -.-> |develops| N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> |connects| N9
+    N9 -.-> |relaxes| N10
+    N10 --> |plans| N11
+    N11 -.-> |enhances| N12
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    N1 --> nest0_0
+    nest0_2 -.-> N7
+    N4 -.-> S0
+    S0 --> |supports| N8
+    S0 --> |researches| N12
+    S0 -.-> N7
+    N3 --> S1
+    S1 -.-> N5
+    S1 --> N8
+    S1 -.-> N7
+    N3 -.-> |integrates| M0
+    N2 -.-> M0
+    N1 -.-> |manages| M0
+    M0 --> N7
+    style N0 fill:#FFF9D4,stroke:#FFE69C
+    style N1 fill:#F1F8FF,stroke:#42A5F5
+    style N2 fill:#FDFCEB,stroke:#EAEFA5
+    style N3 fill:#F1F8FF,stroke:#42A5F5
+    style N4 fill:#FFF9D4,stroke:#FFE69C
+    style N5 fill:#FDFCEB,stroke:#EAEFA5
+    style N6 fill:#FDFCEB,stroke:#EAEFA5
+    style N7 fill:#F1F8FF,stroke:#42A5F5
+    style N8 fill:#F1F8FF,stroke:#42A5F5
+    style N9 fill:#FFF9D4,stroke:#FFE69C
+    style N10 fill:#FDFCEB,stroke:#EAEFA5
+    style N11 fill:#FDFCEB,stroke:#EAEFA5
+    style N12 fill:#FDFCEB,stroke:#EAEFA5
+    style S0 fill:#FFF9D4,stroke:#FFE69C
+    style S1 fill:#F1F8FF,stroke:#42A5F5
+    style M0 fill:#FFF9D4,stroke:#FFE69C
+    style nest0_0 fill:#F1F8FF,stroke:#42A5F5
+    style nest0_1 fill:#FFF9D4,stroke:#FFE69C
+    style nest0_2 fill:#FDFCEB,stroke:#EAEFA5
+    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:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#42A5F5,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:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#42A5F5,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:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#42A5F5,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 27 stroke:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_257.txt b/test/mermaid/medium/mermaid_257.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e836a28a7f4b401974e9c7ce308064512aa461a8
--- /dev/null
+++ b/test/mermaid/medium/mermaid_257.txt
@@ -0,0 +1,26 @@
+<Alternative Therapies, connectedTo, Gratitude Practice>
+<Alternative Therapies, connectedTo, Meditation Coaching>
+<Alternative Therapies, connectedTo, Positive Psychology Application>
+<Alternative Therapies, no, Gratitude Practice>
+<Alternative Therapies, yes, end>
+<Biofeedback Training, connectedTo, Gratitude Practice>
+<Biofeedback Training, no, Gratitude Practice>
+<Biofeedback Training, yes, Meditation Coaching>
+<Employee Wellness Programs, connectedTo, Hydrotherapy>
+<Employee Wellness Programs, partOf, Nutrition Guidance>
+<Financial Wellness Planning, connectedTo, Biofeedback Training>
+<Financial Wellness Planning, no, Gratitude Practice>
+<Gratitude Practice, connectedTo, Massage Therapy>
+<Gratitude Practice, connectedTo, Stress Management>
+<Hydrotherapy, connectedTo, end>
+<Hydrotherapy, partOf, Nutrition Guidance>
+<Massage Therapy, connectedTo, end>
+<Meditation Coaching, connectedTo, Gratitude Practice>
+<Meditation Coaching, connectedTo, Proactive Health Management>
+<Positive Psychology Application, connectedTo, Financial Wellness Planning>
+<Proactive Health Management, connectedTo, Gratitude Practice>
+<Social Connection Enhancement, connectedTo, Employee Wellness Programs>
+<Social Connection Enhancement, partOf, Nutrition Guidance>
+<Stress Management, connectedTo, Social Connection Enhancement>
+<Stress Management, partOf, Nutrition Guidance>
+<start, no, Alternative Therapies>
diff --git a/test/mermaid/medium/mermaid_258.mmd b/test/mermaid/medium/mermaid_258.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ef985e3d97ac3287d2cbeb20ea04c7bb13cfd86a
--- /dev/null
+++ b/test/mermaid/medium/mermaid_258.mmd
@@ -0,0 +1,76 @@
+graph TD
+    N0([start])
+    N1[/Biofeedback Training/]
+    N2[[Detox Programs]]
+    N3{Behavior Change Support}
+    N4[Digital Detox]
+    N5[/Gratitude Practice/]
+    N6[Proactive Health Management]
+    N7[Hydrotherapy]
+    N8[Wellness Retreat Planning]
+    N9([Stress Management])
+    N10([Acupuncture Consultation])
+    N11(Gut Health for Wellness)
+    N12[Employee Wellness Programs]
+    N13([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Work_Life Balance Coaching
+        nest0_0[[Burnout Prevention]]
+        nest0_1[/Spiritual Exploration/]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 --> |no| N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> |no| N7
+    N7 -.-> N8
+    N8 --> N9
+    N9 --> |yes| N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 -.-> N13
+    nest0_0 --> nest0_1
+    N4 --> nest0_0
+    nest0_1 -.-> N13
+    N7 -.-> S0
+    S0 -.-> N10
+    S0 -.-> |yes| N13
+    N3 --> S1
+    S1 -.-> N7
+    S1 -.-> |yes| N12
+    N0 --> |yes| M0
+    N3 --> |yes| M0
+    M0 --> N12
+    style S0 fill:#EFEBE9,stroke:#A1887F
+    style S1 fill:#EFEBE9,stroke:#A1887F
+    style M0 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:#61CAC3,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:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#CB9BE1,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:#61CAC3,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#61CAC3,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#CB9BE1,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:#CB9BE1,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_258.txt b/test/mermaid/medium/mermaid_258.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e61dcf23fa76fc2a0f15b80996ffc730b5e68e05
--- /dev/null
+++ b/test/mermaid/medium/mermaid_258.txt
@@ -0,0 +1,23 @@
+<Acupuncture Consultation, connectedTo, Gut Health for Wellness>
+<Behavior Change Support, connectedTo, Digital Detox>
+<Behavior Change Support, connectedTo, Hydrotherapy>
+<Behavior Change Support, yes, Employee Wellness Programs>
+<Biofeedback Training, connectedTo, Detox Programs>
+<Burnout Prevention, connectedTo, Spiritual Exploration>
+<Burnout Prevention, partOf, Work_Life Balance Coaching>
+<Detox Programs, no, Behavior Change Support>
+<Digital Detox, connectedTo, Burnout Prevention>
+<Digital Detox, connectedTo, Gratitude Practice>
+<Employee Wellness Programs, connectedTo, end>
+<Gratitude Practice, connectedTo, Proactive Health Management>
+<Gut Health for Wellness, connectedTo, Employee Wellness Programs>
+<Hydrotherapy, connectedTo, Acupuncture Consultation>
+<Hydrotherapy, connectedTo, Wellness Retreat Planning>
+<Hydrotherapy, yes, end>
+<Proactive Health Management, no, Hydrotherapy>
+<Spiritual Exploration, connectedTo, end>
+<Spiritual Exploration, partOf, Work_Life Balance Coaching>
+<Stress Management, yes, Acupuncture Consultation>
+<Wellness Retreat Planning, connectedTo, Stress Management>
+<start, connectedTo, Biofeedback Training>
+<start, yes, Employee Wellness Programs>
diff --git a/test/mermaid/medium/mermaid_261.txt b/test/mermaid/medium/mermaid_261.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8ebeec37ef5aa3ec47f7222836e0881248252191
--- /dev/null
+++ b/test/mermaid/medium/mermaid_261.txt
@@ -0,0 +1,25 @@
+<Bathroom Design, connectedTo, Material and Finish Specification>
+<Bathroom Design, partOf, Space Planning>
+<Budget Management, connectedTo, Material and Finish Specification>
+<Budget Management, sources, Project Management>
+<CAD Drafting, connectedTo, Material and Finish Specification>
+<CAD Drafting, connectedTo, Project Management>
+<CAD Drafting, connectedTo, Retail Interior Design>
+<Healthcare Interior Design, connectedTo, end>
+<Material and Finish Specification, connectedTo, Healthcare Interior Design>
+<Mood Board Creation, furnishes, Project Management>
+<Mood Board Creation, promotes, CAD Drafting>
+<Post_Occupancy Evaluation, manages, Material and Finish Specification>
+<Post_Occupancy Evaluation, procures, end>
+<Post_Occupancy Evaluation, schedules, Healthcare Interior Design>
+<Project Management, connectedTo, Healthcare Interior Design>
+<Project Management, connectedTo, Material and Finish Specification>
+<Project Management, markets, Post_Occupancy Evaluation>
+<Project Management, materials, Material and Finish Specification>
+<Retail Interior Design, connectedTo, Budget Management>
+<Retail Interior Design, connectedTo, Universal Design Principles>
+<Retail Interior Design, selects, Project Management>
+<Universal Design Principles, connectedTo, Wall Treatment Selection>
+<Universal Design Principles, partOf, Space Planning>
+<Wall Treatment Selection, connectedTo, Bathroom Design>
+<Wall Treatment Selection, partOf, Space Planning>
diff --git a/test/mermaid/medium/mermaid_262.mmd b/test/mermaid/medium/mermaid_262.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..198f0ce1fbcef1ddca671ed2513c278d238cb60a
--- /dev/null
+++ b/test/mermaid/medium/mermaid_262.mmd
@@ -0,0 +1,72 @@
+graph RL
+    N0([start])
+    N1[Low_Latency Processing]
+    N2[Neural Machine Translation]
+    N3[[Speaker Diarization]]
+    N4(Subtitling Generation)
+    N5(Simultaneous Interpretation)
+    N6{Multimodal Translation}
+    N7(Real_Time Document Translation)
+    N8[(Speech Recognition)]
+    N9(Offline Translation Capabilities)
+    N10([end])
+    S0(( ))
+    subgraph Legal Document Translation
+        nest0_0{API Integration for Translation Services}
+        nest0_1[(Contextual Understanding)]
+        nest0_2(Emotion Detection in Speech)
+    end
+    N0 -.-> |develops| N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 --> |integrates| N9
+    N9 --> |optimizes| N10
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N1 --> nest0_0
+    nest0_2 -.-> N6
+    N5 -.-> S0
+    S0 --> N10
+    S0 -.-> N9
+    N6 --> N9
+    nest0_2 -.-> N3
+    style N0 fill:#E4E0DF,stroke:#BDAFA8
+    style N1 fill:#E9F7E8,stroke:#6EB76D
+    style N2 fill:#E4E0DF,stroke:#BDAFA8
+    style N3 fill:#E4E0DF,stroke:#BDAFA8
+    style N4 fill:#E4E0DF,stroke:#BDAFA8
+    style N5 fill:#E4E0DF,stroke:#BDAFA8
+    style N6 fill:#E0F7FA,stroke:#00BCD4
+    style N7 fill:#E9F7E8,stroke:#6EB76D
+    style N8 fill:#E0F7FA,stroke:#00BCD4
+    style N9 fill:#E4E0DF,stroke:#BDAFA8
+    style N10 fill:#E4E0DF,stroke:#BDAFA8
+    style S0 fill:#E4E0DF,stroke:#BDAFA8
+    style nest0_0 fill:#E9F7E8,stroke:#6EB76D
+    style nest0_1 fill:#E4E0DF,stroke:#BDAFA8
+    style nest0_2 fill:#E0F7FA,stroke:#00BCD4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#00BCD4,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:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#00BCD4,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:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#6EB76D,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:#BDAFA8,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_263.mmd b/test/mermaid/medium/mermaid_263.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..8afb6a6b3cc11e8d84f31a3d4571aea6b507487d
--- /dev/null
+++ b/test/mermaid/medium/mermaid_263.mmd
@@ -0,0 +1,54 @@
+graph RL
+    N0([start])
+    N1[Glossary Management]
+    N2(Neural Machine Translation)
+    N3[[Consecutive Interpretation]]
+    N4([Pronunciation Correction])
+    N5[(Live Event Translation)]
+    N6{Cross_Lingual Communication}
+    N7([end])
+    S0(( ))
+    M0(( ))
+    subgraph Contextual Understanding
+        nest0_0(API Integration for Translation Services)
+        nest0_1[Meeting Translation Systems]
+    end
+    N0 --> N1
+    N1 --> |no| N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> N7
+    nest0_0 --> nest0_1
+    N3 -.-> |yes| nest0_0
+    nest0_1 -.-> N6
+    N1 -.-> S0
+    S0 -.-> N7
+    S0 -.-> N4
+    S0 --> N3
+    N3 -.-> |yes| M0
+    N2 -.-> |yes| M0
+    N0 --> M0
+    M0 -.-> N5
+    style S0 fill:#B3E5FC,stroke:#03A9F4
+    style M0 fill:#DFE7EB,stroke:#B0C5CD
+    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:#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:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#90A4AE,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:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#03A9F4,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#90A4AE,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#90A4AE,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_264.txt b/test/mermaid/medium/mermaid_264.txt
new file mode 100644
index 0000000000000000000000000000000000000000..328f52ef069a8fac13156e79e7569a2660902328
--- /dev/null
+++ b/test/mermaid/medium/mermaid_264.txt
@@ -0,0 +1,24 @@
+<API Integration for Translation Services, inputs, end>
+<Continuous Learning Models for Translation, connectedTo, Emotion Detection in Speech>
+<Continuous Learning Models for Translation, partOf, Real_Time Captioning>
+<Customer Support Translation, connectedTo, API Integration for Translation Services>
+<Customer Support Translation, connectedTo, end>
+<Customer Support Translation, monitors, Domain_Specific Translation Models>
+<Data Security for Translated Content, connectedTo, Multimodal Translation>
+<Domain_Specific Translation Models, connectedTo, API Integration for Translation Services>
+<Emotion Detection in Speech, automates, Data Security for Translated Content>
+<Emotion Detection in Speech, partOf, Real_Time Captioning>
+<Live Event Translation, connectedTo, Continuous Learning Models for Translation>
+<Live Event Translation, partOf, Real_Time Captioning>
+<Meeting Translation Systems, connectedTo, Wearable Translation Devices>
+<Multimodal Translation, connectedTo, Statistical Machine Translation>
+<Multimodal Translation, detects, Continuous Learning Models for Translation>
+<Noise Reduction for Speech Input, connectedTo, Data Security for Translated Content>
+<Rule_Based Machine Translation, connectedTo, Meeting Translation Systems>
+<Sentiment Analysis in Translation, connectedTo, Live Event Translation>
+<Sentiment Analysis in Translation, connectedTo, Rule_Based Machine Translation>
+<Statistical Machine Translation, connectedTo, Subtitling Generation>
+<Subtitling Generation, analyzes, Voice Biometrics>
+<Voice Biometrics, connectedTo, Sentiment Analysis in Translation>
+<Wearable Translation Devices, connectedTo, Meeting Translation Systems>
+<Wearable Translation Devices, tracks, Customer Support Translation>
diff --git a/test/mermaid/medium/mermaid_272.txt b/test/mermaid/medium/mermaid_272.txt
new file mode 100644
index 0000000000000000000000000000000000000000..277cf7de7266737738c2a9b42caabdd8ab9cc535
--- /dev/null
+++ b/test/mermaid/medium/mermaid_272.txt
@@ -0,0 +1,23 @@
+<Customer Support, connectedTo, Regulatory Compliance>
+<Driver Management, yes, Vehicle Rebalancing>
+<Fraud Prevention, connectedTo, Public Transit Integration>
+<Fraud Prevention, connectedTo, Subscription Model Management>
+<Maintenance Scheduling, connectedTo, Ride_sharing Services>
+<Policy Advocacy for Shared Mobility, partOf, Vehicle Booking>
+<Policy Advocacy for Shared Mobility, yes, Supply_Demand Balancing>
+<Public Transit Integration, no, User Onboarding>
+<Regulatory Compliance, yes, Route Optimization>
+<Ride_sharing Services, connectedTo, Smart City Integration>
+<Ride_sharing Services, connectedTo, end>
+<Ride_sharing Services, yes, Fraud Prevention>
+<Ride_sharing Services, yes, User Onboarding>
+<Route Optimization, connectedTo, Supply_Demand Balancing>
+<Scooter_sharing Services, connectedTo, end>
+<Smart City Integration, connectedTo, Fraud Prevention>
+<Subscription Model Management, connectedTo, Policy Advocacy for Shared Mobility>
+<Subscription Model Management, partOf, Vehicle Booking>
+<Supply_Demand Balancing, no, Driver Management>
+<User Onboarding, connectedTo, Scooter_sharing Services>
+<Vehicle Rebalancing, connectedTo, Maintenance Scheduling>
+<start, connectedTo, Customer Support>
+<start, no, User Onboarding>
diff --git a/test/mermaid/medium/mermaid_276.mmd b/test/mermaid/medium/mermaid_276.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..648a117c6e8e530b0e950cfb5a172c8d9a71f963
--- /dev/null
+++ b/test/mermaid/medium/mermaid_276.mmd
@@ -0,0 +1,64 @@
+graph RL
+    N0([Fleet Parking Solutions])
+    N1[(Integration with Navigation Apps)]
+    N2(Automated Payment)
+    N3(Smart Parking Meters)
+    N4(Mobile Parking Apps)
+    N5[Violation Detection]
+    N6([License Plate Recognition])
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    subgraph Billing and Reconciliation
+        nest0_0[[Edge Computing for Parking Data]]
+        nest0_1[Vacancy Monitoring]
+    end
+    N0 -.-> N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    nest0_0 -.-> nest0_1
+    N3 --> nest0_0
+    nest0_1 -.-> N6
+    N3 --> S0
+    S0 -.-> N6
+    S0 --> N5
+    N2 --> S1
+    S1 --> |manages| N5
+    S1 --> |analyzes| N4
+    N1 -.-> M1
+    N0 -.-> |controls| M1
+    M1 -.-> N3
+    style N0 fill:#EFEBE9,stroke:#A1887F
+    style N1 fill:#DDCEDD,stroke:#AF56A6
+    style N2 fill:#EFEBE9,stroke:#A1887F
+    style N3 fill:#F9FBE7,stroke:#DCE775
+    style N4 fill:#F9FBE7,stroke:#DCE775
+    style N5 fill:#F9FBE7,stroke:#DCE775
+    style N6 fill:#DDCEDD,stroke:#AF56A6
+    style S0 fill:#EFEBE9,stroke:#A1887F
+    style S1 fill:#EFEBE9,stroke:#A1887F
+    style M1 fill:#DDCEDD,stroke:#AF56A6
+    style nest0_0 fill:#DDCEDD,stroke:#AF56A6
+    style nest0_1 fill:#EFEBE9,stroke:#A1887F
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#A1887F,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:#AF56A6,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:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,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:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#A1887F,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_279.txt b/test/mermaid/medium/mermaid_279.txt
new file mode 100644
index 0000000000000000000000000000000000000000..72e4180dd763d2ac4d56789545e48c121a39de77
--- /dev/null
+++ b/test/mermaid/medium/mermaid_279.txt
@@ -0,0 +1,23 @@
+<Agent Network Management, connectedTo, Biometric Ticketing>
+<Agent Network Management, connects, Resale Market Integration>
+<Audience Segmentation, connectedTo, Venue Capacity Management>
+<Biometric Ticketing, connectedTo, Payment Processing>
+<Customer Relationship Management Integration, cancels, Pricing Configuration>
+<Customer Relationship Management Integration, connectedTo, Theme Park Ticketing>
+<Dynamic Pricing, validates, Refund Management>
+<Fraud Prevention, connectedTo, Dynamic Pricing>
+<Mobile Ticketing, connectedTo, Sports Event Ticketing>
+<Mobile Ticketing, partOf, Personalized Ticket Offers>
+<Museum Ticketing, connectedTo, Audience Segmentation>
+<Payment Processing, connectedTo, Resale Market Integration>
+<Payment Processing, connectedTo, Seat Mapping>
+<Payment Processing, manages, Customer Relationship Management Integration>
+<Pricing Configuration, designs, Mobile Ticketing>
+<Pricing Configuration, partOf, Personalized Ticket Offers>
+<Refund Management, connectedTo, Agent Network Management>
+<Resale Market Integration, connectedTo, Customer Relationship Management Integration>
+<Seat Mapping, connectedTo, Resale Market Integration>
+<Sports Event Ticketing, complies, Refund Management>
+<Sports Event Ticketing, partOf, Personalized Ticket Offers>
+<Theme Park Ticketing, connectedTo, Airline Ticketing>
+<Venue Capacity Management, connectedTo, Fraud Prevention>
diff --git a/test/mermaid/medium/mermaid_28.txt b/test/mermaid/medium/mermaid_28.txt
new file mode 100644
index 0000000000000000000000000000000000000000..be67ac5bbb516a83571ac372a68311fb751b2ab5
--- /dev/null
+++ b/test/mermaid/medium/mermaid_28.txt
@@ -0,0 +1,24 @@
+<Bandwidth Allocation, connectedTo, Plan Selection>
+<Contract Termination, connectedTo, Device Setup>
+<Contract Termination, connectedTo, Payment Received>
+<Device Setup, connectedTo, Spectrum Management>
+<IoT Device Connection, connectedTo, Outage Detection>
+<IoT Device Connection, partOf, Plan Suspension>
+<Issue Resolution, connectedTo, Device Setup>
+<Issue Resolution, no, Roaming Activation>
+<Outage Detection, connectedTo, Plan Selection>
+<Outage Detection, partOf, Plan Suspension>
+<Payment Received, yes, Issue Resolution>
+<Plan Selection, connectedTo, Contract Termination>
+<Roaming Activation, connectedTo, Device Setup>
+<Roaming Activation, connectedTo, IoT Device Connection>
+<Service Level Agreement, connectedTo, Bandwidth Allocation>
+<Service Level Agreement, no, Contract Termination>
+<Service Level Agreement, no, Plan Selection>
+<Service Level Agreement, yes, end>
+<Spectrum Management, connectedTo, VoIP Service>
+<VoIP Service, connectedTo, end>
+<start, connectedTo, Contract Termination>
+<start, connectedTo, Payment Received>
+<start, connectedTo, Service Level Agreement>
+<start, connectedTo, end>
diff --git a/test/mermaid/medium/mermaid_281.mmd b/test/mermaid/medium/mermaid_281.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c36a1e024abe9d9b7f21e304b543ed9ab8b8bbe3
--- /dev/null
+++ b/test/mermaid/medium/mermaid_281.mmd
@@ -0,0 +1,60 @@
+graph TD
+    N0([Anonymous Credential Systems])
+    N1[[Risk Management for Elections]]
+    N2(Penetration Testing)
+    N3{Auditability}
+    N4[Online Voting Systems]
+    N5[(Biometric Voter ID)]
+    N6[Legal Framework Compliance]
+    N7([Software Integrity Checks])
+    S0(( ))
+    M0(( ))
+    subgraph Cryptographic Security
+        nest0_0[/Remote Voting Solutions/]
+        nest0_1(Secure Data Transmission)
+    end
+    N0 -.-> |prevents| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> |audits| N7
+    nest0_0 -.-> nest0_1
+    N6 -.-> nest0_0
+    nest0_1 --> N4
+    N3 -.-> S0
+    S0 --> N7
+    S0 -.-> |stores| N6
+    N2 -.-> |verifies| M0
+    N0 -.-> M0
+    M0 --> N6
+    style N0 fill:#EDE7F6,stroke:#7E57C2
+    style N1 fill:#C9F0F0,stroke:#4DD0E1
+    style N2 fill:#CFD8DC,stroke:#607D8B
+    style N3 fill:#CFD8DC,stroke:#607D8B
+    style N4 fill:#C9F0F0,stroke:#4DD0E1
+    style N5 fill:#CFD8DC,stroke:#607D8B
+    style N6 fill:#CFD8DC,stroke:#607D8B
+    style N7 fill:#C9F0F0,stroke:#4DD0E1
+    style S0 fill:#CFD8DC,stroke:#607D8B
+    style M0 fill:#EDE7F6,stroke:#7E57C2
+    style nest0_0 fill:#CFD8DC,stroke:#607D8B
+    style nest0_1 fill:#CFD8DC,stroke:#607D8B
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4DD0E1,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:#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:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#4DD0E1,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#607D8B,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_282.txt b/test/mermaid/medium/mermaid_282.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1a5adf64631a0bb3ba0e443dd2846593e4fefb6f
--- /dev/null
+++ b/test/mermaid/medium/mermaid_282.txt
@@ -0,0 +1,23 @@
+<Ballot Creation, maintains, Public Trust Building>
+<Direct Recording Electronic Systems, connectedTo, Results Aggregation>
+<Direct Recording Electronic Systems, encrypts, Voting Machine Design>
+<Election Official Training, connectedTo, Penetration Testing>
+<Hardware Tamper Detection, connectedTo, Direct Recording Electronic Systems>
+<Hardware Tamper Detection, connectedTo, Results Aggregation>
+<Hardware Tamper Detection, connectedTo, Zero_Knowledge Proofs for Privacy>
+<Penetration Testing, connectedTo, Security Protocols>
+<Post_Election Audits, upgrades, end>
+<Public Trust Building, connectedTo, Security Protocols>
+<Public Trust Building, connectedTo, end>
+<Public Trust Building, designs, Post_Election Audits>
+<Public Trust Building, tests, Election Official Training>
+<Results Aggregation, connectedTo, Risk Management for Elections>
+<Risk Management for Elections, connectedTo, Ballot Creation>
+<Security Protocols, connectedTo, Post_Election Audits>
+<Voter Authentication, connectedTo, Hardware Tamper Detection>
+<Voter Authentication, connectedTo, Results Aggregation>
+<Voter Education Programs, connectedTo, Election Official Training>
+<Voter Education Programs, partOf, Remote Voting Solutions>
+<Voting Machine Design, connectedTo, Results Aggregation>
+<Zero_Knowledge Proofs for Privacy, connectedTo, Voter Education Programs>
+<Zero_Knowledge Proofs for Privacy, partOf, Remote Voting Solutions>
diff --git a/test/mermaid/medium/mermaid_284.mmd b/test/mermaid/medium/mermaid_284.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..5447c214a9386546d4393d24d58faffd65817d20
--- /dev/null
+++ b/test/mermaid/medium/mermaid_284.mmd
@@ -0,0 +1,98 @@
+graph TD
+    N0([Communication Strategy])
+    N1([Ethical Considerations])
+    N2(Risk Assessment)
+    N3[Presentation Skills]
+    N4[(Implementation Plan Development)]
+    N5[(Problem Identification)]
+    N6[Public Consultation Process]
+    N7(Monitoring and Evaluation Framework)
+    N8[/Legal Review/]
+    N9[(Policy Evaluation)]
+    N10[Impact Assessment]
+    N11[Non_profit Policy Influence]
+    N12[/Budgetary Implications/]
+    N13[(Policy Learning)]
+    N14([International Policy Analysis])
+    S0(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Comparative Policy Analysis
+        nest0_0(Evidence_Based Policymaking)
+        nest0_1[(Policy Simulation Models)]
+    end
+    N0 -.-> |negotiates| N1
+    N1 -.-> |educates| N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> |impacts| N8
+    N8 --> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 -.-> |recommends| N12
+    N12 -.-> N13
+    N13 -.-> N14
+    nest0_0 -.-> nest0_1
+    N7 -.-> nest0_0
+    nest0_1 -.-> N14
+    N5 -.-> S0
+    S0 -.-> N11
+    S0 --> N13
+    N1 --> M0
+    N2 -.-> M0
+    N0 -.-> M0
+    M0 -.-> N4
+    N4 -.-> |drafts| M1
+    N8 -.-> M1
+    M1 --> N13
+    style N0 fill:#EBEBEB,stroke:#E0E0E0
+    style N1 fill:#EBEBEB,stroke:#E0E0E0
+    style N2 fill:#FFF3E0,stroke:#FFA726
+    style N3 fill:#F0F0F0,stroke:#D2D2D2
+    style N4 fill:#F0F0F0,stroke:#D2D2D2
+    style N5 fill:#F0F0F0,stroke:#D2D2D2
+    style N6 fill:#FFF3E0,stroke:#FFA726
+    style N7 fill:#F0F0F0,stroke:#D2D2D2
+    style N8 fill:#F0F0F0,stroke:#D2D2D2
+    style N9 fill:#FFF3E0,stroke:#FFA726
+    style N10 fill:#EBEBEB,stroke:#E0E0E0
+    style N11 fill:#FFF3E0,stroke:#FFA726
+    style N12 fill:#FFF3E0,stroke:#FFA726
+    style N13 fill:#F0F0F0,stroke:#D2D2D2
+    style N14 fill:#FFF3E0,stroke:#FFA726
+    style S0 fill:#FFF3E0,stroke:#FFA726
+    style M0 fill:#F0F0F0,stroke:#D2D2D2
+    style M1 fill:#FFF3E0,stroke:#FFA726
+    style nest0_0 fill:#F0F0F0,stroke:#D2D2D2
+    style nest0_1 fill:#FFF3E0,stroke:#FFA726
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#D2D2D2,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:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFA726,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#E0E0E0,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:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#D2D2D2,stroke-width:2px,fill:none;
+    linkStyle 26 stroke:#D2D2D2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_284.txt b/test/mermaid/medium/mermaid_284.txt
new file mode 100644
index 0000000000000000000000000000000000000000..62498e569f7bbcb802696082a3d37dc73ce8fba0
--- /dev/null
+++ b/test/mermaid/medium/mermaid_284.txt
@@ -0,0 +1,26 @@
+<Budgetary Implications, connectedTo, Policy Learning>
+<Communication Strategy, connectedTo, Implementation Plan Development>
+<Communication Strategy, negotiates, Ethical Considerations>
+<Ethical Considerations, connectedTo, Implementation Plan Development>
+<Ethical Considerations, educates, Risk Assessment>
+<Evidence_Based Policymaking, connectedTo, Policy Simulation Models>
+<Evidence_Based Policymaking, partOf, Comparative Policy Analysis>
+<Impact Assessment, connectedTo, Non_profit Policy Influence>
+<Implementation Plan Development, connectedTo, Problem Identification>
+<Implementation Plan Development, drafts, Policy Learning>
+<Legal Review, connectedTo, Policy Evaluation>
+<Legal Review, connectedTo, Policy Learning>
+<Monitoring and Evaluation Framework, connectedTo, Evidence_Based Policymaking>
+<Monitoring and Evaluation Framework, impacts, Legal Review>
+<Non_profit Policy Influence, recommends, Budgetary Implications>
+<Policy Evaluation, connectedTo, Impact Assessment>
+<Policy Learning, connectedTo, International Policy Analysis>
+<Policy Simulation Models, connectedTo, International Policy Analysis>
+<Policy Simulation Models, partOf, Comparative Policy Analysis>
+<Presentation Skills, connectedTo, Implementation Plan Development>
+<Problem Identification, connectedTo, Non_profit Policy Influence>
+<Problem Identification, connectedTo, Policy Learning>
+<Problem Identification, connectedTo, Public Consultation Process>
+<Public Consultation Process, connectedTo, Monitoring and Evaluation Framework>
+<Risk Assessment, connectedTo, Implementation Plan Development>
+<Risk Assessment, connectedTo, Presentation Skills>
diff --git a/test/mermaid/medium/mermaid_285.mmd b/test/mermaid/medium/mermaid_285.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..643e97e99d0d8b30b0f0ea4c1e926b7e61d644d2
--- /dev/null
+++ b/test/mermaid/medium/mermaid_285.mmd
@@ -0,0 +1,62 @@
+graph BT
+    N0([Advocacy Strategy])
+    N1([Risk Assessment])
+    N2(Implementation Plan Development)
+    N3[International Policy Analysis]
+    N4[/Option Generation/]
+    N5[Comparative Policy Analysis]
+    N6([end])
+    S0(( ))
+    S1(( ))
+    subgraph Forecasting and Scenario Planning
+        nest0_0[Interagency Coordination]
+        nest0_1[Policy Advocacy and Lobbying]
+        nest0_2(National Policy Development)
+    end
+    N0 -.-> |complies| N1
+    N1 --> |validates| N2
+    N2 --> N3
+    N3 --> |forecasts| N4
+    N4 --> N5
+    N5 -.-> N6
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N3 -.-> nest0_0
+    nest0_2 -.-> N1
+    N2 --> S0
+    S0 -.-> N4
+    S0 -.-> N5
+    S0 --> |consults| N6
+    N0 -.-> S1
+    S1 --> |communicates| N3
+    S1 --> |strategies| N5
+    style N0 fill:#FFECB3,stroke:#FFC107
+    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:#FFEBEB,stroke:#FFC2C2
+    style N6 fill:#FFEBEB,stroke:#FFC2C2
+    style S0 fill:#D6D9F0,stroke:#9FA9E1
+    style S1 fill:#D6D9F0,stroke:#9FA9E1
+    style nest0_0 fill:#D6D9F0,stroke:#9FA9E1
+    style nest0_1 fill:#D6D9F0,stroke:#9FA9E1
+    style nest0_2 fill:#FFECB3,stroke:#FFC107
+    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:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFC107,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:#000000,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:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#9FA9E1,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_286.txt b/test/mermaid/medium/mermaid_286.txt
new file mode 100644
index 0000000000000000000000000000000000000000..36fe767966d0f6785ed7b3c74b9c000c459d91ba
--- /dev/null
+++ b/test/mermaid/medium/mermaid_286.txt
@@ -0,0 +1,21 @@
+<Academic Mentorship, submits, Experiment Design>
+<Citation Management, connectedTo, Data Analysis>
+<Citation Management, partOf, Software for Statistical Analysis>
+<Data Analysis, connectedTo, Funding Agency Reporting>
+<Data Analysis, partOf, Software for Statistical Analysis>
+<Data Collection, connectedTo, Experiment Design>
+<Data Collection, partOf, Software for Statistical Analysis>
+<Data Management Plan, collaborates, Data Collection>
+<Data Management Plan, connectedTo, Thesis or Dissertation Writing>
+<Data Management Plan, connectedTo, Variable Identification>
+<Data Visualization for Research, peer review, Theory Development>
+<Experiment Design, partOf, Software for Statistical Analysis>
+<Experiment Design, studies, Citation Management>
+<Funding Agency Reporting, connectedTo, Data Visualization for Research>
+<Public Engagement with Research, connectedTo, Data Management Plan>
+<Theory Development, connectedTo, Academic Mentorship>
+<Thesis or Dissertation Writing, connectedTo, Academic Mentorship>
+<Thesis or Dissertation Writing, connectedTo, Funding Agency Reporting>
+<Variable Identification, connectedTo, Citation Management>
+<Variable Identification, connectedTo, Thesis or Dissertation Writing>
+<start, analyzes, Public Engagement with Research>
diff --git a/test/mermaid/medium/mermaid_287.txt b/test/mermaid/medium/mermaid_287.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a5a89bc1226b2b16c842c7f60ec25155f86a9efd
--- /dev/null
+++ b/test/mermaid/medium/mermaid_287.txt
@@ -0,0 +1,18 @@
+<Data Visualization for Research, connectedTo, Hypothesis Formulation>
+<Experiment Design, connectedTo, Data Visualization for Research>
+<Experiment Design, yes, Survey Design>
+<Grant Proposal Writing, connectedTo, Literature Review>
+<Grant Proposal Writing, connectedTo, Survey Design>
+<Hypothesis Formulation, connectedTo, Grant Proposal Writing>
+<Literature Review, no, Methodology Selection>
+<Literature Review, partOf, Variable Identification>
+<Methodology Selection, connectedTo, Statistical Analysis>
+<Methodology Selection, partOf, Variable Identification>
+<Open Science Practices, connectedTo, end>
+<Research Design, connectedTo, Experiment Design>
+<Statistical Analysis, connectedTo, Grant Proposal Writing>
+<Statistical Analysis, partOf, Variable Identification>
+<Survey Design, connectedTo, Open Science Practices>
+<Survey Design, no, Literature Review>
+<start, connectedTo, Research Design>
+<start, yes, Survey Design>
diff --git a/test/mermaid/medium/mermaid_290.mmd b/test/mermaid/medium/mermaid_290.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..648755c45c4c0b2409c40460661ea62a455f7fb4
--- /dev/null
+++ b/test/mermaid/medium/mermaid_290.mmd
@@ -0,0 +1,66 @@
+graph LR
+    N0([Resource Sharing Networks])
+    N1[(System Security)]
+    N2(Electronic Resource Management)
+    N3([Discovery Layers])
+    N4[[Mobile App for Library]]
+    N5[/Personalized Recommendations/]
+    N6([end])
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    subgraph Cataloging and Classification
+        nest0_0[/Reporting and Analytics/]
+        nest0_1[Interlibrary Loan]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> |displays| N6
+    nest0_0 --> nest0_1
+    N2 --> |notifies| nest0_0
+    nest0_1 --> |protects| N4
+    N1 --> S0
+    S0 --> |develops| N6
+    S0 --> N3
+    N2 --> S1
+    S1 -.-> |updates| N6
+    S1 --> N5
+    N0 --> M1
+    N3 --> M1
+    N1 --> M1
+    M1 -.-> N5
+    style N0 fill:#F2E6F5,stroke:#CB9BE1
+    style N1 fill:#B2EBF2,stroke:#00BCD4
+    style N2 fill:#FBE9E7,stroke:#FF8A65
+    style N3 fill:#F2E6F5,stroke:#CB9BE1
+    style N4 fill:#FBE9E7,stroke:#FF8A65
+    style N5 fill:#B2EBF2,stroke:#00BCD4
+    style N6 fill:#B2EBF2,stroke:#00BCD4
+    style S0 fill:#F2E6F5,stroke:#CB9BE1
+    style S1 fill:#FBE9E7,stroke:#FF8A65
+    style M1 fill:#FBE9E7,stroke:#FF8A65
+    style nest0_0 fill:#F2E6F5,stroke:#CB9BE1
+    style nest0_1 fill:#FBE9E7,stroke:#FF8A65
+    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:#00BCD4,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#00BCD4,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:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#00BCD4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_292.mmd b/test/mermaid/medium/mermaid_292.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..78f5bf4f289db0547b86c02a73c19e4889e7690a
--- /dev/null
+++ b/test/mermaid/medium/mermaid_292.mmd
@@ -0,0 +1,84 @@
+graph BT
+    N0([Grant Writing for Archives])
+    N1([Subject Indexing for Archives])
+    N2[(Records Retention Scheduling)]
+    N3[Metadata Creation]
+    N4(Researchers Support)
+    N5(Records Transfer Processes)
+    N6{Legal and Ethical Compliance}
+    N7[[Security of Holdings]]
+    N8[[Outreach and Education]]
+    N9[(Oral History Collection)]
+    N10{Database Management}
+    N11[(Intellectual Property Rights Management)]
+    N12([end])
+    S0(( ))
+    M0(( ))
+    subgraph Conservation Treatment
+        nest0_0[Preservation Planning]
+        nest0_1[Ethical Use of Archival Materials]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> |appraises| N8
+    N8 --> N9
+    N9 --> N10
+    N10 -.-> |protects| N11
+    N11 --> N12
+    nest0_0 -.-> |conserves| nest0_1
+    N11 -.-> |implements| nest0_0
+    nest0_1 --> N12
+    N3 -.-> S0
+    S0 --> N11
+    S0 -.-> |exhibits| N6
+    S0 -.-> N5
+    N0 --> M0
+    N2 -.-> M0
+    N1 -.-> |acquires| M0
+    M0 -.-> N4
+    style N0 fill:#C5CAE9,stroke:#3F51B5
+    style N1 fill:#E8F5E9,stroke:#66BB6A
+    style N2 fill:#C5CAE9,stroke:#3F51B5
+    style N3 fill:#E8F5E9,stroke:#66BB6A
+    style N4 fill:#EDE7F6,stroke:#9575CD
+    style N5 fill:#C5CAE9,stroke:#3F51B5
+    style N6 fill:#EDE7F6,stroke:#9575CD
+    style N7 fill:#E8F5E9,stroke:#66BB6A
+    style N8 fill:#C5CAE9,stroke:#3F51B5
+    style N9 fill:#EDE7F6,stroke:#9575CD
+    style N10 fill:#C5CAE9,stroke:#3F51B5
+    style N11 fill:#EDE7F6,stroke:#9575CD
+    style N12 fill:#C5CAE9,stroke:#3F51B5
+    style S0 fill:#EDE7F6,stroke:#9575CD
+    style M0 fill:#EDE7F6,stroke:#9575CD
+    style nest0_0 fill:#E8F5E9,stroke:#66BB6A
+    style nest0_1 fill:#C5CAE9,stroke:#3F51B5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#9575CD,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:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#9575CD,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#66BB6A,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:#9575CD,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:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#66BB6A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_294.txt b/test/mermaid/medium/mermaid_294.txt
new file mode 100644
index 0000000000000000000000000000000000000000..04f24213fe9284f9cb356308bed36e007a1ad3f3
--- /dev/null
+++ b/test/mermaid/medium/mermaid_294.txt
@@ -0,0 +1,19 @@
+<Digital Asset Management, connectedTo, Oral History Collection>
+<Digital Asset Management, connectedTo, Public Access Systems>
+<Digital Asset Management, connectedTo, Records Management Integration>
+<Finding Aid Creation, connectedTo, Subject Indexing for Archives>
+<Finding Aid Creation, partOf, Authority Control for Archival Names>
+<Oral History Collection, connectedTo, Finding Aid Creation>
+<Oral History Collection, connectedTo, Records Management Integration>
+<Public Access Systems, connectedTo, Records Management Integration>
+<Public Access Systems, connectedTo, Web Archiving>
+<Public Access Systems, connectedTo, end>
+<Public Access Systems, yes, Oral History Collection>
+<Records Management Integration, yes, Web Archiving>
+<Records Transfer Processes, connectedTo, end>
+<Subject Indexing for Archives, partOf, Authority Control for Archival Names>
+<Subject Indexing for Archives, yes, end>
+<Web Archiving, yes, Records Transfer Processes>
+<start, connectedTo, Digital Asset Management>
+<start, connectedTo, Oral History Collection>
+<start, connectedTo, Records Management Integration>
diff --git a/test/mermaid/medium/mermaid_295.txt b/test/mermaid/medium/mermaid_295.txt
new file mode 100644
index 0000000000000000000000000000000000000000..29d8fd798a9319250d28ef600a78b81026f0b71c
--- /dev/null
+++ b/test/mermaid/medium/mermaid_295.txt
@@ -0,0 +1,24 @@
+<3D Scanning of Artifacts, connectedTo, Educational Technology Integration>
+<Augmented Reality Experiences, educates, Visitor Analytics>
+<Augmented Reality Experiences, partOf, Digital Archiving>
+<Content Management Systems, connectedTo, Digital Signage>
+<Content Management Systems, projects, Visitor Analytics>
+<Digital Signage, partOf, Digital Archiving>
+<Digital Signage, robots, Augmented Reality Experiences>
+<Digital Storytelling, connectedTo, Wayfinding Systems>
+<Educational Technology Integration, complies, end>
+<Fundraising Technology, connectedTo, 3D Scanning of Artifacts>
+<Multisensory Exhibits, connectedTo, Content Management Systems>
+<Multisensory Exhibits, connectedTo, Educational Technology Integration>
+<RFID for Object Tracking, connectedTo, Digital Storytelling>
+<Security Systems Integration, connectedTo, Ticketing and Visitor Systems>
+<Ticketing and Visitor Systems, connectedTo, RFID for Object Tracking>
+<Virtual Tours, connectedTo, Multisensory Exhibits>
+<Virtual Tours, connectedTo, RFID for Object Tracking>
+<Virtual Tours, exhibits, Educational Technology Integration>
+<Visitor Analytics, connectedTo, Digital Storytelling>
+<Visitor Analytics, connectedTo, Educational Technology Integration>
+<Visitor Analytics, connectedTo, RFID for Object Tracking>
+<Visitor Analytics, integrates, Security Systems Integration>
+<Wayfinding Systems, connectedTo, Fundraising Technology>
+<start, connectedTo, Virtual Tours>
diff --git a/test/mermaid/medium/mermaid_3.mmd b/test/mermaid/medium/mermaid_3.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..bcf86291764c17c0db764353442fc2f3f184c476
--- /dev/null
+++ b/test/mermaid/medium/mermaid_3.mmd
@@ -0,0 +1,92 @@
+graph LR
+    N0([Customer Onboarding])
+    N1[(IPO Launch)]
+    N2[/Asset Management/]
+    N3[Dispute Resolution]
+    N4[(Transaction Logging)]
+    N5[(Interest Calculation)]
+    N6(Tax Preparation)
+    N7[(Collateral Evaluation)]
+    N8[(Forex Trading)]
+    N9{Mortgage Application}
+    N10[(Risk Assessment)]
+    N11[(Fraud Check)]
+    N12(Financial Reporting)
+    N13([end])
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Investment Planning
+        nest0_0[[Approval Decision]]
+        nest0_1[/Financial Advisory/]
+    end
+    N0 -.-> |funds| N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> |mitigates| N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> |plans| N7
+    N7 -.-> |invests| N8
+    N8 -.-> |audits| N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 --> |rejects| N12
+    N12 --> N13
+    nest0_0 --> nest0_1
+    N6 --> nest0_0
+    nest0_1 -.-> |transfers| N9
+    N6 -.-> S1
+    S1 --> N10
+    S1 --> N13
+    N0 --> |forecasts| M0
+    N2 -.-> M0
+    M0 --> N4
+    N4 -.-> M1
+    N2 --> M1
+    M1 --> N7
+    style N0 fill:#F8FDD3,stroke:#D3EB9F
+    style N1 fill:#F8FDD3,stroke:#D3EB9F
+    style N2 fill:#FFFDE7,stroke:#FFF176
+    style N3 fill:#FFFDE7,stroke:#FFF176
+    style N4 fill:#DED7F0,stroke:#A188DB
+    style N5 fill:#F8FDD3,stroke:#D3EB9F
+    style N6 fill:#FFFDE7,stroke:#FFF176
+    style N7 fill:#F8FDD3,stroke:#D3EB9F
+    style N8 fill:#DED7F0,stroke:#A188DB
+    style N9 fill:#F8FDD3,stroke:#D3EB9F
+    style N10 fill:#FFFDE7,stroke:#FFF176
+    style N11 fill:#DED7F0,stroke:#A188DB
+    style N12 fill:#F8FDD3,stroke:#D3EB9F
+    style N13 fill:#F8FDD3,stroke:#D3EB9F
+    style S1 fill:#FFFDE7,stroke:#FFF176
+    style M0 fill:#FFFDE7,stroke:#FFF176
+    style M1 fill:#F8FDD3,stroke:#D3EB9F
+    style nest0_0 fill:#F8FDD3,stroke:#D3EB9F
+    style nest0_1 fill:#F8FDD3,stroke:#D3EB9F
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#D3EB9F,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:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A188DB,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:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,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:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#FFF176,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_30.txt b/test/mermaid/medium/mermaid_30.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e5233b6e2ea6a92732f5a519f37ed771e55450ed
--- /dev/null
+++ b/test/mermaid/medium/mermaid_30.txt
@@ -0,0 +1,24 @@
+<Bill Generation, connectedTo, Speed Throttling>
+<Billing Inquiry, connectedTo, Usage Monitoring>
+<Call Recording, connectedTo, Plan Renewal>
+<Customer Support, connectedTo, Data Usage Logging>
+<Customer Support, partOf, Roaming Activation>
+<Data Usage Logging, connectedTo, SMS Delivery>
+<Data Usage Logging, partOf, Roaming Activation>
+<Issue Resolution, connectedTo, Plan Selection>
+<Network Activation, connectedTo, Usage Monitoring>
+<Network Activation, troubleshoots, Billing Inquiry>
+<Plan Renewal, connectedTo, Speed Throttling>
+<Plan Renewal, connectedTo, Technical Support Escalation>
+<Plan Renewal, pays, Bill Generation>
+<Plan Selection, connectedTo, Call Recording>
+<SMS Delivery, monitors, Technical Support Escalation>
+<SMS Delivery, partOf, Roaming Activation>
+<Speed Throttling, connectedTo, Customer Support>
+<Speed Throttling, connectedTo, Usage Monitoring>
+<Speed Throttling, renews, Network Activation>
+<Technical Support Escalation, connectedTo, Fiber Optic Deployment>
+<Troubleshooting Guide, connectedTo, Technical Support Escalation>
+<Usage Monitoring, connectedTo, Fiber Optic Deployment>
+<Usage Monitoring, connectedTo, Technical Support Escalation>
+<Usage Monitoring, connectedTo, Troubleshooting Guide>
diff --git a/test/mermaid/medium/mermaid_300.mmd b/test/mermaid/medium/mermaid_300.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..aa8a164f9d3392fa95dae5477c8389242a73bbe1
--- /dev/null
+++ b/test/mermaid/medium/mermaid_300.mmd
@@ -0,0 +1,66 @@
+graph LR
+    N0([Fair Competition Compliance])
+    N1[/Ethical AI Guidelines/]
+    N2[[Product Safety Compliance]]
+    N3[(Information Security Compliance)]
+    N4(Data Privacy Compliance)
+    N5(Environmental Compliance)
+    N6([end])
+    S0(( ))
+    M0(( ))
+    subgraph Code of Conduct Implementation
+        nest0_0(Ethical Leadership Development)
+        nest0_1(Internal Investigations)
+        nest0_2[(Consumer Protection Compliance)]
+        nest0_3[(Conflict of Interest Management)]
+    end
+    N0 -.-> |counsels| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> |prevents| nest0_3
+    N4 -.-> nest0_0
+    nest0_3 --> N3
+    N2 --> S0
+    S0 --> N5
+    S0 -.-> |audits| N4
+    S0 --> N6
+    N3 -.-> M0
+    N4 -.-> M0
+    M0 --> N6
+    style N0 fill:#FFF9C4,stroke:#FFEB3B
+    style N1 fill:#FFF9C4,stroke:#FFEB3B
+    style N2 fill:#C8E6C9,stroke:#4CAF50
+    style N3 fill:#C8E6C9,stroke:#4CAF50
+    style N4 fill:#C8E6C9,stroke:#4CAF50
+    style N5 fill:#C8E6C9,stroke:#4CAF50
+    style N6 fill:#C8E6C9,stroke:#4CAF50
+    style S0 fill:#C8E6C9,stroke:#4CAF50
+    style M0 fill:#C8E6C9,stroke:#4CAF50
+    style nest0_0 fill:#EDE7F6,stroke:#7E57C2
+    style nest0_1 fill:#EDE7F6,stroke:#7E57C2
+    style nest0_2 fill:#FFF9C4,stroke:#FFEB3B
+    style nest0_3 fill:#EDE7F6,stroke:#7E57C2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#000000,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:#7E57C2,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:#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:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#7E57C2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_302.txt b/test/mermaid/medium/mermaid_302.txt
new file mode 100644
index 0000000000000000000000000000000000000000..70a3d69d1cf9a7ef455046eb77dc585973bf7e0c
--- /dev/null
+++ b/test/mermaid/medium/mermaid_302.txt
@@ -0,0 +1,26 @@
+<Arson Investigation, connectedTo, Evidence Collection>
+<Arson Investigation, connectedTo, Forensic Psychology>
+<Arson Investigation, no, Document Examination>
+<Cold Case Review, connectedTo, Forensic Botany>
+<Courtroom Presentation, connectedTo, Document Examination>
+<Crime Scene Investigation, connectedTo, Forensic Psychology>
+<Crime Scene Investigation, partOf, Mobile Device Forensics>
+<Data Recovery, connectedTo, Courtroom Presentation>
+<Document Examination, no, end>
+<Evidence Collection, connectedTo, Crime Scene Investigation>
+<Evidence Collection, partOf, Mobile Device Forensics>
+<Expert Witness Testimony, yes, Vehicle Forensics>
+<Forensic Botany, connectedTo, Expert Witness Testimony>
+<Forensic Interviewing, connectedTo, Arson Investigation>
+<Forensic Odontology, connectedTo, Forensic Botany>
+<Forensic Odontology, no, Forensic Interviewing>
+<Forensic Odontology, yes, Toxicology Testing>
+<Forensic Odontology, yes, Vehicle Forensics>
+<Forensic Psychology, connectedTo, Toxicology Testing>
+<Network Forensics, connectedTo, Cold Case Review>
+<Toolmark Analysis, connectedTo, Data Recovery>
+<Toxicology Testing, connectedTo, Document Examination>
+<Toxicology Testing, yes, Network Forensics>
+<Vehicle Forensics, connectedTo, Document Examination>
+<Vehicle Forensics, connectedTo, Toolmark Analysis>
+<start, connectedTo, Forensic Odontology>
diff --git a/test/mermaid/medium/mermaid_304.mmd b/test/mermaid/medium/mermaid_304.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..8bf82e16b2099de4870aedbdd42f991a0231abc9
--- /dev/null
+++ b/test/mermaid/medium/mermaid_304.mmd
@@ -0,0 +1,62 @@
+graph RL
+    N0([Transportation Security])
+    N1{Critical Infrastructure Protection}
+    N2[Vulnerability Assessment]
+    N3[(Legislation and Policy Development)]
+    N4[[Border Security]]
+    N5(Psychological Operations)
+    N6[Behavioral Threat Assessment]
+    N7([end])
+    S0(( ))
+    M1(( ))
+    subgraph Bomb Disposal
+        nest0_0[(Public Awareness Campaigns)]
+        nest0_1(Homeland Security Planning)
+    end
+    N0 --> |partners_engages| N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> N7
+    nest0_0 --> nest0_1
+    N4 --> |cyber_defends| nest0_0
+    nest0_1 --> |secures| N2
+    N1 --> S0
+    S0 --> |analyzes| N4
+    S0 --> N7
+    N3 --> |protects_critical_infra| M1
+    N2 --> |incidents_responds| M1
+    N0 --> M1
+    M1 --> N5
+    style N0 fill:#FFF0CC,stroke:#FFCC80
+    style N1 fill:#FFF0CC,stroke:#FFCC80
+    style N2 fill:#FFF9C4,stroke:#FFEB3B
+    style N3 fill:#EFE6FF,stroke:#C2B2F0
+    style N4 fill:#EFE6FF,stroke:#C2B2F0
+    style N5 fill:#FFF0CC,stroke:#FFCC80
+    style N6 fill:#EFE6FF,stroke:#C2B2F0
+    style N7 fill:#FFF9C4,stroke:#FFEB3B
+    style S0 fill:#FFF9C4,stroke:#FFEB3B
+    style M1 fill:#FFF0CC,stroke:#FFCC80
+    style nest0_0 fill:#EFE6FF,stroke:#C2B2F0
+    style nest0_1 fill:#EFE6FF,stroke:#C2B2F0
+    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:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFEB3B,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFCC80,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_304.txt b/test/mermaid/medium/mermaid_304.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4453a6a7dcaaad986365848bf2b0eaa9f2d4584c
--- /dev/null
+++ b/test/mermaid/medium/mermaid_304.txt
@@ -0,0 +1,17 @@
+<Behavioral Threat Assessment, connectedTo, end>
+<Border Security, connectedTo, Psychological Operations>
+<Border Security, cyber_defends, Public Awareness Campaigns>
+<Critical Infrastructure Protection, analyzes, Border Security>
+<Critical Infrastructure Protection, connectedTo, Vulnerability Assessment>
+<Critical Infrastructure Protection, connectedTo, end>
+<Homeland Security Planning, partOf, Bomb Disposal>
+<Homeland Security Planning, secures, Vulnerability Assessment>
+<Legislation and Policy Development, connectedTo, Border Security>
+<Legislation and Policy Development, protects_critical_infra, Psychological Operations>
+<Psychological Operations, connectedTo, Behavioral Threat Assessment>
+<Public Awareness Campaigns, connectedTo, Homeland Security Planning>
+<Public Awareness Campaigns, partOf, Bomb Disposal>
+<Transportation Security, connectedTo, Psychological Operations>
+<Transportation Security, partners_engages, Critical Infrastructure Protection>
+<Vulnerability Assessment, connectedTo, Legislation and Policy Development>
+<Vulnerability Assessment, incidents_responds, Psychological Operations>
diff --git a/test/mermaid/medium/mermaid_306.mmd b/test/mermaid/medium/mermaid_306.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..2b7ffd0922b60180ce1858f641a3205c0685193b
--- /dev/null
+++ b/test/mermaid/medium/mermaid_306.mmd
@@ -0,0 +1,88 @@
+graph TD
+    N0([Information Sharing])
+    N1(Target Hardening)
+    N2[/Crisis Response Planning/]
+    N3(Port Security)
+    N4{International Cooperation}
+    N5[[Intelligence Analysis]]
+    N6(Law Enforcement Operations)
+    N7([Surveillance and Monitoring])
+    N8[Chemical Biological Radiological Nuclear Defense]
+    N9[Data Analytics for Terrorism]
+    N10{Counter_Propaganda}
+    N11([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Threat Assessment
+        nest0_0[/Hostage Negotiation/]
+        nest0_1[[Drone Countermeasures]]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 -.-> |cyber_defends| N11
+    nest0_0 -.-> nest0_1
+    N6 -.-> nest0_0
+    nest0_1 -.-> N11
+    N5 --> S0
+    S0 --> N11
+    S0 --> N7
+    S0 -.-> N8
+    N2 --> S1
+    S1 -.-> |intelligence_gathers| N9
+    S1 --> N10
+    S1 -.-> |targets_protects| N4
+    N1 -.-> M0
+    N2 -.-> M0
+    M0 --> N4
+    style N0 fill:#FCE4EC,stroke:#F06292
+    style N1 fill:#FFDAB9,stroke:#FFC085
+    style N2 fill:#FFDAB9,stroke:#FFC085
+    style N3 fill:#FFDAB9,stroke:#FFC085
+    style N4 fill:#FCE4EC,stroke:#F06292
+    style N5 fill:#FCE4EC,stroke:#F06292
+    style N6 fill:#FCE4EC,stroke:#F06292
+    style N7 fill:#D1C4E9,stroke:#7E57C2
+    style N8 fill:#D1C4E9,stroke:#7E57C2
+    style N9 fill:#FCE4EC,stroke:#F06292
+    style N10 fill:#D1C4E9,stroke:#7E57C2
+    style N11 fill:#D1C4E9,stroke:#7E57C2
+    style S0 fill:#FCE4EC,stroke:#F06292
+    style S1 fill:#D1C4E9,stroke:#7E57C2
+    style M0 fill:#FFDAB9,stroke:#FFC085
+    style nest0_0 fill:#FFDAB9,stroke:#FFC085
+    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:#F06292,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFC085,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#F06292,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:#7E57C2,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:#F06292,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#7E57C2,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#F06292,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#7E57C2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_307.mmd b/test/mermaid/medium/mermaid_307.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..64e32d3d18af2f0dfdf24a0257db5097d34449d3
--- /dev/null
+++ b/test/mermaid/medium/mermaid_307.mmd
@@ -0,0 +1,92 @@
+graph BT
+    N0([start])
+    N1[(Environmental Monitoring)]
+    N2(Asset Tracking)
+    N3[[Social Media Monitoring]]
+    N4[Ethical Guidelines]
+    N5[Pattern Recognition]
+    N6[Legal Compliance]
+    N7[GPS Tracking]
+    N8[Privacy Concerns Mitigation]
+    N9[Sensor Network Deployment]
+    N10[Real_time Alerts]
+    N11(Satellite Imaging)
+    N12[Traffic Surveillance]
+    N13[Drone Surveillance]
+    N14[Security Personnel Operations]
+    N15([end])
+    S0(( ))
+    M0(( ))
+    subgraph Mobile Phone Interception
+        nest0_0[/Internet Traffic Monitoring/]
+        nest0_1[Automated Threat Detection]
+    end
+    N0 -.-> N1
+    N1 -.-> |manages| N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> |audits| N7
+    N7 --> N8
+    N8 --> |transmits| N9
+    N9 -.-> N10
+    N10 -.-> |filters| N11
+    N11 --> N12
+    N12 --> |detects| N13
+    N13 -.-> N14
+    N14 -.-> N15
+    nest0_0 -.-> |controls| nest0_1
+    N3 --> nest0_0
+    nest0_1 --> N5
+    N12 --> S0
+    S0 -.-> |monitors| N15
+    S0 -.-> |analyzes| N14
+    N8 -.-> M0
+    N6 --> M0
+    M0 -.-> N10
+    style N0 fill:#DACBE3,stroke:#A188D0
+    style N1 fill:#DACBE3,stroke:#A188D0
+    style N2 fill:#DACBE3,stroke:#A188D0
+    style N3 fill:#F8FDD3,stroke:#D3EB9F
+    style N4 fill:#F8FDD3,stroke:#D3EB9F
+    style N5 fill:#DACBE3,stroke:#A188D0
+    style N6 fill:#F8FDD3,stroke:#D3EB9F
+    style N7 fill:#E1F5FE,stroke:#4FC3F7
+    style N8 fill:#F8FDD3,stroke:#D3EB9F
+    style N9 fill:#DACBE3,stroke:#A188D0
+    style N10 fill:#DACBE3,stroke:#A188D0
+    style N11 fill:#E1F5FE,stroke:#4FC3F7
+    style N12 fill:#DACBE3,stroke:#A188D0
+    style N13 fill:#DACBE3,stroke:#A188D0
+    style N14 fill:#E1F5FE,stroke:#4FC3F7
+    style N15 fill:#E1F5FE,stroke:#4FC3F7
+    style S0 fill:#F8FDD3,stroke:#D3EB9F
+    style M0 fill:#DACBE3,stroke:#A188D0
+    style nest0_0 fill:#DACBE3,stroke:#A188D0
+    style nest0_1 fill:#DACBE3,stroke:#A188D0
+    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:#000000,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:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#A188D0,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#D3EB9F,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:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#A188D0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_309.mmd b/test/mermaid/medium/mermaid_309.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f2eea4bcfdc70247e2fb73d9a49f59d322ae7fde
--- /dev/null
+++ b/test/mermaid/medium/mermaid_309.mmd
@@ -0,0 +1,84 @@
+graph LR
+    N0([Pattern Recognition])
+    N1[(Social Media Monitoring)]
+    N2([Traffic Surveillance])
+    N3[Remote Sensing]
+    N4[Intrusion Detection]
+    N5(Public Space Monitoring)
+    N6([Security Personnel Operations])
+    N7[Drone Surveillance]
+    N8([end])
+    S0(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Data Storage and Retention
+        nest0_0[[Network Monitoring]]
+        nest0_1[/Cyber Surveillance/]
+        nest0_2[Biometric Data Analysis]
+        nest0_3{Ethical Guidelines}
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> |deploys| N6
+    N6 --> N7
+    N7 --> |complies| N8
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 -.-> nest0_3
+    N5 -.-> nest0_0
+    nest0_3 --> N4
+    N4 --> S0
+    S0 --> N7
+    S0 --> N8
+    S0 --> N6
+    N3 -.-> |privacy_protects| M0
+    N4 -.-> M0
+    N2 -.-> |regulates| M0
+    M0 -.-> N7
+    N2 --> M1
+    N3 --> M1
+    M1 --> N6
+    style N0 fill:#E0E6E9,stroke:#AABEC6
+    style N1 fill:#FDFCEB,stroke:#EAEFA5
+    style N2 fill:#FDFCEB,stroke:#EAEFA5
+    style N3 fill:#FDFCEB,stroke:#EAEFA5
+    style N4 fill:#E0E6E9,stroke:#AABEC6
+    style N5 fill:#E0E6E9,stroke:#AABEC6
+    style N6 fill:#FDFCEB,stroke:#EAEFA5
+    style N7 fill:#E0E6E9,stroke:#AABEC6
+    style N8 fill:#FDFCEB,stroke:#EAEFA5
+    style S0 fill:#FDFCEB,stroke:#EAEFA5
+    style M0 fill:#E0E6E9,stroke:#AABEC6
+    style M1 fill:#FDFCEB,stroke:#EAEFA5
+    style nest0_0 fill:#E0E6E9,stroke:#AABEC6
+    style nest0_1 fill:#E4E0DF,stroke:#BDAFA8
+    style nest0_2 fill:#FDFCEB,stroke:#EAEFA5
+    style nest0_3 fill:#E4E0DF,stroke:#BDAFA8
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#BDAFA8,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:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#EAEFA5,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#AABEC6,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#AABEC6,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_310.mmd b/test/mermaid/medium/mermaid_310.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0e1ce4617b181d2cf691bee1bf79336a4f8fa411
--- /dev/null
+++ b/test/mermaid/medium/mermaid_310.mmd
@@ -0,0 +1,72 @@
+graph BT
+    N0([start])
+    N1([Hotspot Policing])
+    N2{Crisis Intervention}
+    N3[Law Enforcement Training]
+    N4{Public Awareness Campaigns}
+    N5(Rehabilitation Programs)
+    N6[Vehicle Theft Prevention]
+    N7[/Deterrence Strategies/]
+    N8[/Policy Development for Prevention/]
+    N9([Crime Prevention Through Education])
+    S0(( ))
+    M1(( ))
+    subgraph Police_Community Relations
+        nest0_0{Community Policing}
+        nest0_1[CCTV Installation]
+        nest0_2[(Burglary Prevention)]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> |educates| N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> |trains| N7
+    N7 --> N8
+    N8 --> |audits| N9
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> |consults| nest0_2
+    N3 --> nest0_0
+    nest0_2 -.-> N2
+    N6 --> S0
+    S0 --> N8
+    S0 -.-> N9
+    N0 --> M1
+    N2 -.-> M1
+    M1 -.-> N4
+    style N0 fill:#FCE4EC,stroke:#E91E63
+    style N1 fill:#F1F8E9,stroke:#388E3C
+    style N2 fill:#FCE4EC,stroke:#E91E63
+    style N3 fill:#F1F8E9,stroke:#388E3C
+    style N4 fill:#DFE7EB,stroke:#B0C5CD
+    style N5 fill:#F1F8E9,stroke:#388E3C
+    style N6 fill:#FCE4EC,stroke:#E91E63
+    style N7 fill:#DFE7EB,stroke:#B0C5CD
+    style N8 fill:#F1F8E9,stroke:#388E3C
+    style N9 fill:#FCE4EC,stroke:#E91E63
+    style S0 fill:#DFE7EB,stroke:#B0C5CD
+    style M1 fill:#DFE7EB,stroke:#B0C5CD
+    style nest0_0 fill:#FCE4EC,stroke:#E91E63
+    style nest0_1 fill:#DFE7EB,stroke:#B0C5CD
+    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:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#388E3C,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#B0C5CD,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_311.mmd b/test/mermaid/medium/mermaid_311.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..73418da795872bb89622358a3935df738332f14b
--- /dev/null
+++ b/test/mermaid/medium/mermaid_311.mmd
@@ -0,0 +1,74 @@
+graph LR
+    N0([start])
+    N1(Cybercrime Prevention)
+    N2([Youth Programs])
+    N3(Gun Violence Prevention)
+    N4[Community Policing]
+    N5{Early Intervention Programs}
+    N6(Robbery Prevention)
+    N7([Reintegration Programs])
+    N8{Security Lighting}
+    N9(Patrol Operations)
+    N10(Environmental Design)
+    N11[Rehabilitation Programs]
+    N12[Domestic Violence Prevention]
+    N13([end])
+    S0(( ))
+    M0(( ))
+    subgraph Victim Support Services
+        nest0_0[[Vehicle Theft Prevention]]
+        nest0_1{Law Enforcement Training}
+        nest0_2[Public Awareness Campaigns]
+        nest0_3[Crisis Intervention]
+    end
+    N0 -.-> N1
+    N1 --> |no| N2
+    N2 --> N3
+    N3 --> |no| N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> |yes| N7
+    N7 -.-> N8
+    N8 -.-> |no| N9
+    N9 -.-> N10
+    N10 --> N11
+    N11 --> N12
+    N12 --> |no| N13
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N3 -.-> nest0_0
+    nest0_3 --> N8
+    N7 --> S0
+    S0 --> N9
+    S0 -.-> N11
+    N4 -.-> M0
+    N2 --> |no| M0
+    M0 -.-> N13
+    style S0 fill:#D6D9F0,stroke:#9FA9E1
+    style M0 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:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#C0CA33,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:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#9FA9E1,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_314.mmd b/test/mermaid/medium/mermaid_314.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..ba3006e5dd9d3d0523d5dd8a9a1e963f03fd8d41
--- /dev/null
+++ b/test/mermaid/medium/mermaid_314.mmd
@@ -0,0 +1,67 @@
+graph BT
+    N0([start])
+    N1[(Marine Conservation)]
+    N2[Pollution Impact Assessment]
+    N3[(Sustainable Resource Management)]
+    N4{Wetland Restoration}
+    N5(Population Dynamics Study)
+    N6[[Camera Trap Deployment]]
+    N7(Research and Development in Conservation)
+    N8([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Human_Wildlife Conflict Mitigation
+        nest0_0[Forestry Practices for Conservation]
+        nest0_1[(Drone_based Monitoring)]
+        nest0_2(Grassland Conservation)
+        nest0_3{Freshwater Conservation}
+    end
+    N0 -.-> |yes| N1
+    N1 --> |yes| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> |yes| N8
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> nest0_3
+    N4 -.-> nest0_0
+    nest0_3 -.-> N5
+    N5 -.-> S0
+    S0 -.-> N8
+    S0 --> |yes| N7
+    N3 -.-> S1
+    S1 -.-> |yes| N7
+    S1 --> N8
+    N3 --> M0
+    N0 --> M0
+    M0 -.-> N5
+    style S0 fill:#FFE88D,stroke:#FFDA4E
+    style S1 fill:#FFE88D,stroke:#FFDA4E
+    style M0 fill:#FFF3E0,stroke:#FFA726
+    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:#4FC3F7,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:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFA726,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#FFA726,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFA726,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_315.txt b/test/mermaid/medium/mermaid_315.txt
new file mode 100644
index 0000000000000000000000000000000000000000..148586f92ac304bb57fcec1a89763e6fe7457464
--- /dev/null
+++ b/test/mermaid/medium/mermaid_315.txt
@@ -0,0 +1,20 @@
+<Anti_Poaching Operations, connectedTo, end>
+<Captive Breeding Programs, connectedTo, Conservation Genetics>
+<Climate Change Adaptation for Wildlife, connectedTo, Reintroduction Programs>
+<Conservation Education, connectedTo, Wildlife Rescue and Rehabilitation>
+<Conservation Genetics, connectedTo, Captive Breeding Programs>
+<Conservation Genetics, connectedTo, Climate Change Adaptation for Wildlife>
+<Ecological Survey, connectedTo, Satellite Tracking of Animals>
+<Ecological Survey, partOf, Grassland Conservation>
+<Marine Conservation, alerts, Wildlife Rescue and Rehabilitation>
+<Marine Conservation, connectedTo, Protected Area Management>
+<Marine Conservation, partOf, Grassland Conservation>
+<Protected Area Management, analyzes_data, Ecological Survey>
+<Protected Area Management, partOf, Grassland Conservation>
+<Reintroduction Programs, legal_enforces, Conservation Education>
+<Reintroduction Programs, protects, Marine Conservation>
+<Satellite Tracking of Animals, connectedTo, Reintroduction Programs>
+<Satellite Tracking of Animals, partOf, Grassland Conservation>
+<Satellite Tracking of Animals, restores, Captive Breeding Programs>
+<Wildlife Rescue and Rehabilitation, connectedTo, Anti_Poaching Operations>
+<Wildlife Rescue and Rehabilitation, connectedTo, Conservation Education>
diff --git a/test/mermaid/medium/mermaid_316.mmd b/test/mermaid/medium/mermaid_316.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..1a7117b20425a8514bd294ba2607e5470a96237f
--- /dev/null
+++ b/test/mermaid/medium/mermaid_316.mmd
@@ -0,0 +1,78 @@
+graph BT
+    N0([start])
+    N1(Ocean Modeling)
+    N2(Marine Biodiversity Assessment)
+    N3([Ocean Acidification Research])
+    N4[/Underwater Acoustics/]
+    N5([Coral Reef Monitoring])
+    N6(Ocean Temperature Sensing)
+    N7([Data Visualization])
+    S0(( ))
+    S1(( ))
+    M1(( ))
+    subgraph Ocean Current Measurement
+        nest0_0[(Marine Geology)]
+        nest0_1[(Ocean Floor Mapping)]
+        nest0_2[(Plastic Pollution Research)]
+        nest0_3[(Marine Remote Sensing)]
+    end
+    N0 -.-> |geology| N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> |climate_impacts| N7
+    nest0_0 -.-> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> nest0_3
+    N1 -.-> nest0_0
+    nest0_3 --> |simulates| N4
+    N3 -.-> S0
+    S0 -.-> N6
+    S0 --> N5
+    N0 --> S1
+    S1 -.-> N4
+    S1 --> |predicts| N2
+    S1 -.-> N3
+    N1 --> |deploys_sensors| M1
+    N0 -.-> M1
+    M1 --> N3
+    style N0 fill:#D0EFEE,stroke:#73C6BC
+    style N1 fill:#E1F5FE,stroke:#4FC3F7
+    style N2 fill:#C9F0F0,stroke:#4DD0E1
+    style N3 fill:#E1F5FE,stroke:#4FC3F7
+    style N4 fill:#E1F5FE,stroke:#4FC3F7
+    style N5 fill:#C9F0F0,stroke:#4DD0E1
+    style N6 fill:#C9F0F0,stroke:#4DD0E1
+    style N7 fill:#C9F0F0,stroke:#4DD0E1
+    style S0 fill:#E1F5FE,stroke:#4FC3F7
+    style S1 fill:#D0EFEE,stroke:#73C6BC
+    style M1 fill:#E1F5FE,stroke:#4FC3F7
+    style nest0_0 fill:#C9F0F0,stroke:#4DD0E1
+    style nest0_1 fill:#D0EFEE,stroke:#73C6BC
+    style nest0_2 fill:#C9F0F0,stroke:#4DD0E1
+    style nest0_3 fill:#D0EFEE,stroke:#73C6BC
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4DD0E1,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#73C6BC,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,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/medium/mermaid_317.mmd b/test/mermaid/medium/mermaid_317.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..beb5816e7a14c03c427486b0d9fddd8aeb086fd5
--- /dev/null
+++ b/test/mermaid/medium/mermaid_317.mmd
@@ -0,0 +1,70 @@
+graph RL
+    N0([start])
+    N1[/Polar Oceanography/]
+    N2[(Ocean Current Measurement)]
+    N3([Marine Geology])
+    N4[[Coastal Erosion Research]]
+    N5[/ROV or AUV Operations/]
+    N6[Ocean Acidification Research]
+    N7([Ocean Temperature Sensing])
+    N8[Marine Pollution Monitoring]
+    N9([Marine Protected Area Planning])
+    S0(( ))
+    M1(( ))
+    subgraph Ocean Modeling
+        nest0_0[Sediment Analysis]
+        nest0_1[/Seabed Resource Exploration/]
+    end
+    N0 -.-> |reports| N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 --> |measures| N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    nest0_0 --> |visualizes_data| nest0_1
+    N4 -.-> |climate_impacts| nest0_0
+    nest0_1 --> N9
+    N3 --> S0
+    S0 -.-> |waves| N7
+    S0 --> N8
+    N6 --> M1
+    N4 --> M1
+    N3 --> M1
+    M1 --> N8
+    style N0 fill:#F8BBD0,stroke:#E91E63
+    style N1 fill:#F8BBD0,stroke:#E91E63
+    style N2 fill:#F8BBD0,stroke:#E91E63
+    style N3 fill:#FFDCD6,stroke:#FFB2A5
+    style N4 fill:#F8BBD0,stroke:#E91E63
+    style N5 fill:#F8BBD0,stroke:#E91E63
+    style N6 fill:#F1F8E9,stroke:#388E3C
+    style N7 fill:#F1F8E9,stroke:#388E3C
+    style N8 fill:#F8BBD0,stroke:#E91E63
+    style N9 fill:#F8BBD0,stroke:#E91E63
+    style S0 fill:#F1F8E9,stroke:#388E3C
+    style M1 fill:#FFDCD6,stroke:#FFB2A5
+    style nest0_0 fill:#F1F8E9,stroke:#388E3C
+    style nest0_1 fill:#FFDCD6,stroke:#FFB2A5
+    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:#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:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#388E3C,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:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFB2A5,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:#FFB2A5,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/medium/mermaid_317.txt b/test/mermaid/medium/mermaid_317.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c369c113654407680b5debcfa5a0c17e441efd32
--- /dev/null
+++ b/test/mermaid/medium/mermaid_317.txt
@@ -0,0 +1,18 @@
+<Coastal Erosion Research, climate_impacts, Sediment Analysis>
+<Coastal Erosion Research, connectedTo, Marine Pollution Monitoring>
+<Coastal Erosion Research, connectedTo, ROV or AUV Operations>
+<Marine Geology, connectedTo, Marine Pollution Monitoring>
+<Marine Geology, measures, Coastal Erosion Research>
+<Marine Geology, waves, Ocean Temperature Sensing>
+<Marine Pollution Monitoring, connectedTo, Marine Protected Area Planning>
+<Ocean Acidification Research, connectedTo, Marine Pollution Monitoring>
+<Ocean Acidification Research, connectedTo, Ocean Temperature Sensing>
+<Ocean Current Measurement, connectedTo, Marine Geology>
+<Ocean Temperature Sensing, connectedTo, Marine Pollution Monitoring>
+<Polar Oceanography, connectedTo, Ocean Current Measurement>
+<ROV or AUV Operations, connectedTo, Ocean Acidification Research>
+<Seabed Resource Exploration, connectedTo, Marine Protected Area Planning>
+<Seabed Resource Exploration, partOf, Ocean Modeling>
+<Sediment Analysis, partOf, Ocean Modeling>
+<Sediment Analysis, visualizes_data, Seabed Resource Exploration>
+<start, reports, Polar Oceanography>
diff --git a/test/mermaid/medium/mermaid_318.txt b/test/mermaid/medium/mermaid_318.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b7ce759face156abf6810a446da0eb2287a35f94
--- /dev/null
+++ b/test/mermaid/medium/mermaid_318.txt
@@ -0,0 +1,22 @@
+<Coastal Zone Management, connectedTo, Ocean Current Measurement>
+<Hydrothermal Vent Exploration, connectedTo, Physical Oceanography>
+<Marine Biodiversity Assessment, connectedTo, Marine Life Observation>
+<Marine Life Observation, connectedTo, Ocean Data Archiving>
+<Marine Life Observation, connectedTo, Plastic Pollution Research>
+<Marine Pollution Monitoring, connectedTo, Ocean Floor Mapping>
+<Marine Pollution Monitoring, partOf, Buoy Deployment>
+<Marine Remote Sensing, connectedTo, end>
+<Ocean Current Measurement, yes, Satellite Oceanography>
+<Ocean Data Archiving, no, Plastic Pollution Research>
+<Ocean Floor Mapping, no, Marine Biodiversity Assessment>
+<Ocean Floor Mapping, partOf, Buoy Deployment>
+<Ocean Renewable Energy, connectedTo, Hydrothermal Vent Exploration>
+<Physical Oceanography, no, Coastal Zone Management>
+<Plastic Pollution Research, connectedTo, Ocean Renewable Energy>
+<Satellite Oceanography, connectedTo, Marine Remote Sensing>
+<Satellite Oceanography, no, Marine Pollution Monitoring>
+<Sediment Analysis, connectedTo, Marine Biodiversity Assessment>
+<Sediment Analysis, no, Plastic Pollution Research>
+<Sediment Analysis, yes, Marine Life Observation>
+<start, connectedTo, Plastic Pollution Research>
+<start, connectedTo, Sediment Analysis>
diff --git a/test/mermaid/medium/mermaid_319.mmd b/test/mermaid/medium/mermaid_319.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..eb8cd5d1da73d30536570eeb55a328ef1f67987c
--- /dev/null
+++ b/test/mermaid/medium/mermaid_319.mmd
@@ -0,0 +1,52 @@
+graph BT
+    N0([start])
+    N1[Liquefaction Potential Assessment]
+    N2([Seismic Network Operations])
+    N3[/Seismic Array Deployment/]
+    N4[(Epicenter Location)]
+    N5([end])
+    S0(( ))
+    S1(( ))
+    subgraph Earthquake Prediction Research
+        nest0_0(Glacial Seismology)
+        nest0_1{Fault Line Mapping}
+        nest0_2[[Geophysical Exploration]]
+        nest0_3(Seismic Noise Analysis)
+    end
+    N0 --> |no| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    nest0_0 --> |no| nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N2 -.-> nest0_0
+    nest0_3 -.-> N4
+    N0 --> S0
+    S0 -.-> |yes| N3
+    S0 --> N4
+    S0 -.-> N5
+    N2 -.-> S1
+    S1 --> |no| N5
+    S1 --> |no| N4
+    style S0 fill:#F9FBE7,stroke:#DCE775
+    style S1 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:#66BB6A,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:#CB9BE1,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:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#CB9BE1,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#DCE775,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_327.mmd b/test/mermaid/medium/mermaid_327.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..65987463043d46dcac1b8ec5ec701e5138958a6b
--- /dev/null
+++ b/test/mermaid/medium/mermaid_327.mmd
@@ -0,0 +1,76 @@
+graph BT
+    N0([start])
+    N1(Speech_to_Text Conversion)
+    N2[Meeting Transcription]
+    N3[(Dialect Adaptation)]
+    N4[[Speech Data Annotation]]
+    N5{Natural Language Understanding}
+    N6[/Multimodal Speech Processing/]
+    N7[(Prosody Analysis)]
+    N8[[Language Modeling]]
+    N9[Medical Transcription]
+    N10([Voice Assistant Development])
+    N11[Command and Control]
+    N12([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Speech Emotion Recognition
+        nest0_0[/Speech Analytics/]
+        nest0_1([Children's Speech Recognition])
+        nest0_2[Cloud_based Speech Services]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> |yes| N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 --> |yes| N7
+    N7 --> |no| N8
+    N8 --> N9
+    N9 --> N10
+    N10 --> N11
+    N11 --> N12
+    nest0_0 -.-> nest0_1
+    nest0_1 --> |yes| nest0_2
+    N11 --> |no| nest0_0
+    nest0_2 -.-> |no| N7
+    N2 -.-> S0
+    S0 -.-> N11
+    S0 --> N12
+    N5 -.-> S1
+    S1 -.-> |yes| N7
+    S1 --> N9
+    N1 --> M0
+    N0 -.-> |yes| M0
+    M0 -.-> N3
+    style S0 fill:#EFE6FF,stroke:#C2B2F0
+    style S1 fill:#EFE6FF,stroke:#C2B2F0
+    style M0 fill:#FFF6D9,stroke:#FFCC7A
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#C2B2F0,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#C2B2F0,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:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#AF56A6,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,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:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#C2B2F0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_33.txt b/test/mermaid/medium/mermaid_33.txt
new file mode 100644
index 0000000000000000000000000000000000000000..034e11db22991e21cf83386c3ba5da89f22eb2f1
--- /dev/null
+++ b/test/mermaid/medium/mermaid_33.txt
@@ -0,0 +1,25 @@
+<Barn Cleaning, connectedTo, Livestock Feeding>
+<Crop Monitoring, repairs, end>
+<Crop Rotation Planning, connectedTo, Drone Scouting>
+<Disease Detection, connectedTo, Farm Machinery Operation>
+<Disease Detection, partOf, Subsidy Application>
+<Drone Scouting, connectedTo, Market Transportation>
+<Farm Machinery Operation, connectedTo, Soil Nutrient Management>
+<Farm Machinery Operation, partOf, Subsidy Application>
+<Farm Maintenance, connectedTo, Fertilizer Application>
+<Fertilizer Application, connectedTo, Barn Cleaning>
+<Fertilizer Application, connectedTo, Storage>
+<Food Processing, connectedTo, Harvesting>
+<Food Processing, connectedTo, Yield Prediction>
+<Harvesting, transports, Crop Rotation Planning>
+<Livestock Feeding, connectedTo, Market Transportation>
+<Livestock Feeding, connectedTo, end>
+<Livestock Feeding, conserves, Food Processing>
+<Market Transportation, connectedTo, Crop Monitoring>
+<Soil Nutrient Management, partOf, Subsidy Application>
+<Soil Nutrient Management, sensors, Crop Rotation Planning>
+<Storage, connectedTo, Barn Cleaning>
+<Yield Prediction, connectedTo, Disease Detection>
+<Yield Prediction, partOf, Subsidy Application>
+<start, connectedTo, Barn Cleaning>
+<start, maps, Farm Maintenance>
diff --git a/test/mermaid/medium/mermaid_330.mmd b/test/mermaid/medium/mermaid_330.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e12dd69f9eac5384fa0ba18facf612ccabddedf6
--- /dev/null
+++ b/test/mermaid/medium/mermaid_330.mmd
@@ -0,0 +1,75 @@
+graph RL
+    N0([start])
+    N1[[Text Visualization]]
+    N2(Social Media Text Analysis)
+    N3[Author Attribution]
+    N4{Knowledge Graph Construction}
+    N5(Deep Learning for NLP)
+    N6([Patent Analysis])
+    N7[Sentiment Analysis]
+    N8[/Spam Detection/]
+    N9([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph News Article Analysis
+        nest0_0(Chatbot Development)
+        nest0_1(Information Extraction)
+        nest0_2([Corpus Creation])
+    end
+    N0 --> N1
+    N1 --> |yes| N2
+    N2 -.-> |no| N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    N3 -.-> |yes| nest0_0
+    nest0_2 --> |yes| N4
+    N2 -.-> S0
+    S0 -.-> |no| N7
+    S0 --> |yes| N9
+    N6 --> S1
+    S1 --> |yes| N9
+    S1 -.-> N8
+    N3 --> M0
+    N4 -.-> M0
+    M0 --> N6
+    N6 -.-> M1
+    N1 -.-> |no| M1
+    M1 -.-> N9
+    style S0 fill:#FFF3E0,stroke:#FFB74D
+    style S1 fill:#DED7F0,stroke:#A188DB
+    style M0 fill:#FBE9E7,stroke:#FF8A65
+    style M1 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:#FFB74D,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:#FFB74D,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:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FF8A65,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:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#A188DB,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:#A188DB,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:#FF8A65,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#A188DB,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_330.txt b/test/mermaid/medium/mermaid_330.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a75a97ea9515d3e9dc78fecd7dec82695999dffe
--- /dev/null
+++ b/test/mermaid/medium/mermaid_330.txt
@@ -0,0 +1,24 @@
+<Author Attribution, connectedTo, Knowledge Graph Construction>
+<Author Attribution, connectedTo, Patent Analysis>
+<Author Attribution, yes, Chatbot Development>
+<Chatbot Development, connectedTo, Information Extraction>
+<Chatbot Development, partOf, News Article Analysis>
+<Corpus Creation, partOf, News Article Analysis>
+<Corpus Creation, yes, Knowledge Graph Construction>
+<Deep Learning for NLP, connectedTo, Patent Analysis>
+<Information Extraction, connectedTo, Corpus Creation>
+<Information Extraction, partOf, News Article Analysis>
+<Knowledge Graph Construction, connectedTo, Deep Learning for NLP>
+<Knowledge Graph Construction, connectedTo, Patent Analysis>
+<Patent Analysis, connectedTo, Sentiment Analysis>
+<Patent Analysis, connectedTo, Spam Detection>
+<Patent Analysis, connectedTo, end>
+<Patent Analysis, yes, end>
+<Sentiment Analysis, connectedTo, Spam Detection>
+<Social Media Text Analysis, no, Author Attribution>
+<Social Media Text Analysis, no, Sentiment Analysis>
+<Social Media Text Analysis, yes, end>
+<Spam Detection, connectedTo, end>
+<Text Visualization, no, end>
+<Text Visualization, yes, Social Media Text Analysis>
+<start, connectedTo, Text Visualization>
diff --git a/test/mermaid/medium/mermaid_331.txt b/test/mermaid/medium/mermaid_331.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cd18c0eb0435567aba3c6e79982a4905a296ae45
--- /dev/null
+++ b/test/mermaid/medium/mermaid_331.txt
@@ -0,0 +1,17 @@
+<Aerospace Digital Twins, connectedTo, Healthcare Digital Twins>
+<Aerospace Digital Twins, partOf, Simulation Platform Development>
+<Data Security for Digital Twins, connectedTo, Performance Monitoring>
+<Enterprise Asset Management Integration, connectedTo, start>
+<Enterprise Asset Management Integration, partOf, Simulation Platform Development>
+<Enterprise Asset Management Integration, upgrades, Sensor Data Integration>
+<Lifecycle Management, connectedTo, Data Security for Digital Twins>
+<Model Creation, connectedTo, Enterprise Asset Management Integration>
+<Model Creation, partOf, Simulation Platform Development>
+<Performance Monitoring, connectedTo, Healthcare Digital Twins>
+<Performance Monitoring, connectedTo, Model Creation>
+<Sensor Data Integration, partOf, Simulation Platform Development>
+<Sensor Data Integration, scales, Aerospace Digital Twins>
+<What_If Scenario Analysis, connectedTo, Lifecycle Management>
+<What_If Scenario Analysis, governs, Data Security for Digital Twins>
+<start, connectedTo, What_If Scenario Analysis>
+<start, creates, Data Security for Digital Twins>
diff --git a/test/mermaid/medium/mermaid_332.mmd b/test/mermaid/medium/mermaid_332.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b2ed8d453861ccaff4782e50426c32348060ca8a
--- /dev/null
+++ b/test/mermaid/medium/mermaid_332.mmd
@@ -0,0 +1,92 @@
+graph RL
+    N0([start])
+    N1[(Aerospace Digital Twins)]
+    N2[Condition Monitoring]
+    N3(Sensor Data Integration)
+    N4[Interoperability Standards]
+    N5{Data Governance for Twins}
+    N6[[Energy Consumption Optimization]]
+    N7[/Anomaly Detection/]
+    N8[(Model Creation)]
+    N9{Autonomous Operations}
+    N10([Simulation and Prediction])
+    S0(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Historical Data Analysis
+        nest0_0(Operational Planning)
+        nest0_1[Asset Optimization]
+        nest0_2[/Real_Time Data Streaming/]
+        nest0_3([System Integration Architecture])
+    end
+    N0 -.-> |decision_supports| N1
+    N1 -.-> N2
+    N2 --> |governs| N3
+    N3 --> N4
+    N4 -.-> |risks_mitigates| N5
+    N5 --> N6
+    N6 --> |troubleshoots| N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 --> nest0_3
+    N6 --> nest0_0
+    nest0_3 -.-> N7
+    N4 -.-> S0
+    S0 --> N10
+    S0 --> N7
+    S0 -.-> |validates| N8
+    N7 -.-> |secures| M0
+    N1 -.-> |models| M0
+    N5 --> M0
+    M0 --> N9
+    N2 --> M1
+    N3 --> M1
+    M1 --> N6
+    style N0 fill:#E9F7E8,stroke:#6EB76D
+    style N1 fill:#E9F7E8,stroke:#6EB76D
+    style N2 fill:#E9F7E8,stroke:#6EB76D
+    style N3 fill:#E9F7E8,stroke:#6EB76D
+    style N4 fill:#E9F7E8,stroke:#6EB76D
+    style N5 fill:#FCE4EC,stroke:#E91E63
+    style N6 fill:#E9F7E8,stroke:#6EB76D
+    style N7 fill:#FCE4EC,stroke:#E91E63
+    style N8 fill:#E9F7E8,stroke:#6EB76D
+    style N9 fill:#E1BEE7,stroke:#9C27B0
+    style N10 fill:#FCE4EC,stroke:#E91E63
+    style S0 fill:#E1BEE7,stroke:#9C27B0
+    style M0 fill:#E1BEE7,stroke:#9C27B0
+    style M1 fill:#FCE4EC,stroke:#E91E63
+    style nest0_0 fill:#E1BEE7,stroke:#9C27B0
+    style nest0_1 fill:#E9F7E8,stroke:#6EB76D
+    style nest0_2 fill:#E9F7E8,stroke:#6EB76D
+    style nest0_3 fill:#E9F7E8,stroke:#6EB76D
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#6EB76D,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#6EB76D,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:#6EB76D,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:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#E91E63,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:#6EB76D,stroke-width:2px,fill:none;
+    linkStyle 25 stroke:#6EB76D,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_333.txt b/test/mermaid/medium/mermaid_333.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7c92dd3d1a9ba0550ca3db9dce3b0daceb4af622
--- /dev/null
+++ b/test/mermaid/medium/mermaid_333.txt
@@ -0,0 +1,19 @@
+<Condition Monitoring, connectedTo, What_If Scenario Analysis>
+<Condition Monitoring, partOf, IoT Data Ingestion>
+<Digital Twin Lifecycle Management, connectedTo, end>
+<Historical Data Analysis, connectedTo, Real_Time Data Streaming>
+<Model Creation, partOf, IoT Data Ingestion>
+<Model Creation, repairs, Condition Monitoring>
+<Operational Planning, connectedTo, Model Creation>
+<Operational Planning, connectedTo, Risk Assessment>
+<Real_Time Data Streaming, connectedTo, Simulation and Prediction>
+<Risk Assessment, operations_streamlines, Digital Twin Lifecycle Management>
+<Simulation and Prediction, connectedTo, Virtual Prototyping>
+<System Integration Architecture, connectedTo, Digital Twin Lifecycle Management>
+<System Integration Architecture, connectedTo, Risk Assessment>
+<System Integration Architecture, machine_learning_uses, Operational Planning>
+<Virtual Prototyping, connectedTo, System Integration Architecture>
+<Virtual Prototyping, tests, end>
+<What_If Scenario Analysis, deploys, Virtual Prototyping>
+<What_If Scenario Analysis, partOf, IoT Data Ingestion>
+<end, connectedTo, What_If Scenario Analysis>
diff --git a/test/mermaid/medium/mermaid_334.txt b/test/mermaid/medium/mermaid_334.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3f04fcdc91d3c14c69876ffc40a153613cfa3c2c
--- /dev/null
+++ b/test/mermaid/medium/mermaid_334.txt
@@ -0,0 +1,17 @@
+<Automation Opportunity Identification, RPA_implements, Scalability of Automation>
+<Decision Automation, partOf, API Automation>
+<Decision Automation, upgrades, Scalability of Automation>
+<HR Process Automation, connectedTo, Decision Automation>
+<HR Process Automation, partOf, API Automation>
+<Intelligent Automation, connectedTo, Audit Trail for Automation>
+<Intelligent Automation, connectedTo, Decision Automation>
+<Intelligent Automation, connectedTo, Process Mapping>
+<Natural Language Processing for Automation, connectedTo, User Training for Automated Systems>
+<Process Mapping, connectedTo, HR Process Automation>
+<Process Mapping, partOf, API Automation>
+<Report Generation Automation, connectedTo, Automation Opportunity Identification>
+<Scalability of Automation, connectedTo, Intelligent Automation>
+<Scalability of Automation, maintains, Natural Language Processing for Automation>
+<User Training for Automated Systems, connectedTo, Audit Trail for Automation>
+<User Training for Automated Systems, connectedTo, Automation Opportunity Identification>
+<User Training for Automated Systems, manages, Report Generation Automation>
diff --git a/test/mermaid/medium/mermaid_337.mmd b/test/mermaid/medium/mermaid_337.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..b3e6be735ec6bfc4dec04ae9769ac3b0bab7ac56
--- /dev/null
+++ b/test/mermaid/medium/mermaid_337.mmd
@@ -0,0 +1,76 @@
+graph RL
+    N0([Software Quality Assurance])
+    N1[(Component Inspection)]
+    N2[Trend Analysis]
+    N3[/Defect Detection/]
+    N4{Sampling Plans}
+    N5[(Measurement System Analysis)]
+    N6{X_ray Inspection}
+    N7[Pharmaceutical Quality Control]
+    N8[[Calibration of Instruments]]
+    N9([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Process Monitoring
+        nest0_0[Supplier Audits]
+        nest0_1{Lean Principles in Quality}
+    end
+    N0 --> N1
+    N1 -.-> |efficiency_enhances| N2
+    N2 --> |automates| N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> |processes_optimizes| N6
+    N6 -.-> |monitors| N7
+    N7 --> |data_collects| N8
+    N8 -.-> N9
+    nest0_0 --> nest0_1
+    N3 -.-> nest0_0
+    nest0_1 --> N9
+    N3 -.-> S0
+    S0 --> N7
+    S0 -.-> |improves| N6
+    N4 -.-> S1
+    S1 --> N8
+    S1 -.-> |consults| N6
+    N1 -.-> M0
+    N0 --> M0
+    M0 -.-> N5
+    style N0 fill:#E0F7FA,stroke:#00BCD4
+    style N1 fill:#EBEBEB,stroke:#E0E0E0
+    style N2 fill:#EBEBEB,stroke:#E0E0E0
+    style N3 fill:#E0F7FA,stroke:#00BCD4
+    style N4 fill:#E1BEE7,stroke:#9C27B0
+    style N5 fill:#E1BEE7,stroke:#9C27B0
+    style N6 fill:#E0F7FA,stroke:#00BCD4
+    style N7 fill:#E0F7FA,stroke:#00BCD4
+    style N8 fill:#E1BEE7,stroke:#9C27B0
+    style N9 fill:#E1BEE7,stroke:#9C27B0
+    style S0 fill:#EBEBEB,stroke:#E0E0E0
+    style S1 fill:#EBEBEB,stroke:#E0E0E0
+    style M0 fill:#E0F7FA,stroke:#00BCD4
+    style nest0_0 fill:#E1BEE7,stroke:#9C27B0
+    style nest0_1 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:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#9C27B0,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:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#9C27B0,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:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#E0E0E0,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#E0E0E0,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_337.txt b/test/mermaid/medium/mermaid_337.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1ecbba22da34c947d73764a81a213f27f3452a55
--- /dev/null
+++ b/test/mermaid/medium/mermaid_337.txt
@@ -0,0 +1,20 @@
+<Calibration of Instruments, connectedTo, end>
+<Component Inspection, connectedTo, Measurement System Analysis>
+<Component Inspection, efficiency_enhances, Trend Analysis>
+<Defect Detection, connectedTo, Pharmaceutical Quality Control>
+<Defect Detection, connectedTo, Sampling Plans>
+<Defect Detection, connectedTo, Supplier Audits>
+<Defect Detection, improves, X_ray Inspection>
+<Lean Principles in Quality, connectedTo, end>
+<Lean Principles in Quality, partOf, Process Monitoring>
+<Measurement System Analysis, processes_optimizes, X_ray Inspection>
+<Pharmaceutical Quality Control, data_collects, Calibration of Instruments>
+<Sampling Plans, connectedTo, Calibration of Instruments>
+<Sampling Plans, connectedTo, Measurement System Analysis>
+<Sampling Plans, consults, X_ray Inspection>
+<Software Quality Assurance, connectedTo, Component Inspection>
+<Software Quality Assurance, connectedTo, Measurement System Analysis>
+<Supplier Audits, connectedTo, Lean Principles in Quality>
+<Supplier Audits, partOf, Process Monitoring>
+<Trend Analysis, automates, Defect Detection>
+<X_ray Inspection, monitors, Pharmaceutical Quality Control>
diff --git a/test/mermaid/medium/mermaid_34.txt b/test/mermaid/medium/mermaid_34.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5ba2fab77b5cb0090aece7f3d1130c96b71fb008
--- /dev/null
+++ b/test/mermaid/medium/mermaid_34.txt
@@ -0,0 +1,22 @@
+<Activity Booking, connectedTo, Travel Advisory Updates>
+<Activity Booking, partOf, Emergency Assistance>
+<Flight Booking, no, Spa Appointment>
+<Flight Booking, partOf, Emergency Assistance>
+<Lost and Found Service, connectedTo, Travel Insurance>
+<Photo Capture, connectedTo, Lost and Found Service>
+<Photo Capture, connectedTo, Travel Insurance>
+<Photo Capture, connectedTo, end>
+<Photo Capture, yes, Travel Insurance>
+<Souvenir Shopping, connectedTo, Spa Appointment>
+<Souvenir Shopping, connectedTo, Travel Insurance>
+<Souvenir Shopping, yes, Photo Capture>
+<Spa Appointment, connectedTo, Photo Capture>
+<Spa Appointment, connectedTo, Travel Insurance>
+<Travel Advisory Updates, connectedTo, Flight Booking>
+<Travel Advisory Updates, partOf, Emergency Assistance>
+<Travel Insurance, connectedTo, Activity Booking>
+<Travel Insurance, connectedTo, end>
+<start, connectedTo, Photo Capture>
+<start, connectedTo, end>
+<start, no, Souvenir Shopping>
+<start, no, Spa Appointment>
diff --git a/test/mermaid/medium/mermaid_341.mmd b/test/mermaid/medium/mermaid_341.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..e6e48aa273412ec1cd0383654149c12a891f2ea9
--- /dev/null
+++ b/test/mermaid/medium/mermaid_341.mmd
@@ -0,0 +1,68 @@
+graph TD
+    N0([Testing ERP Modules])
+    N1[/Master Data Management/]
+    N2[/Inventory Management/]
+    N3{Compliance Reporting}
+    N4{Vendor Management}
+    N5[System Configuration]
+    N6{Troubleshooting and Support}
+    N7[[Manufacturing Operations]]
+    N8[Asset Management]
+    N9([end])
+    S0(( ))
+    M0(( ))
+    subgraph Business Process Re_engineering
+        nest0_0([User Training])
+        nest0_1[(ERP Consulting)]
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> |supply_chains_manages| N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 --> |finances_manages| N8
+    N8 --> N9
+    nest0_0 --> nest0_1
+    N8 -.-> |inventories_manages| nest0_0
+    nest0_1 -.-> N7
+    N0 -.-> S0
+    S0 -.-> |plans| N4
+    S0 -.-> N7
+    N4 --> M0
+    N0 --> |consults| M0
+    M0 -.-> N8
+    style N0 fill:#FFF9D4,stroke:#FFE69C
+    style N1 fill:#FFE0B2,stroke:#FF9800
+    style N2 fill:#FFF9D4,stroke:#FFE69C
+    style N3 fill:#F8FDD3,stroke:#D3EB9F
+    style N4 fill:#FFE0B2,stroke:#FF9800
+    style N5 fill:#FFE0B2,stroke:#FF9800
+    style N6 fill:#FFF9D4,stroke:#FFE69C
+    style N7 fill:#F8FDD3,stroke:#D3EB9F
+    style N8 fill:#FFF9D4,stroke:#FFE69C
+    style N9 fill:#FFE0B2,stroke:#FF9800
+    style S0 fill:#FFF9D4,stroke:#FFE69C
+    style M0 fill:#FFE0B2,stroke:#FF9800
+    style nest0_0 fill:#FFF9D4,stroke:#FFE69C
+    style nest0_1 fill:#FFE0B2,stroke:#FF9800
+    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:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FF9800,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFE69C,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FF9800,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#D3EB9F,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_343.txt b/test/mermaid/medium/mermaid_343.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a6f8402099ac2b47a799a1782a7c3373e1798096
--- /dev/null
+++ b/test/mermaid/medium/mermaid_343.txt
@@ -0,0 +1,18 @@
+<Crop Health Monitoring, connectedTo, Farm Management Dashboards>
+<Crop Health Monitoring, partOf, Predictive Analytics for Harvest>
+<Crop Insurance Assessment, connectedTo, Farm Management Dashboards>
+<Digital Agronomy, connectedTo, Farm Management Dashboards>
+<Digital Agronomy, yes, Crop Insurance Assessment>
+<Farm Management Dashboards, connectedTo, Satellite Imaging>
+<Herd Health Monitoring, no, Resource Optimization>
+<Herd Health Monitoring, no, end>
+<Resource Optimization, connectedTo, Crop Insurance Assessment>
+<Resource Optimization, connectedTo, Supply Chain Traceability>
+<Resource Optimization, partOf, Predictive Analytics for Harvest>
+<Satellite Imaging, yes, Digital Agronomy>
+<Satellite Imaging, yes, Herd Health Monitoring>
+<Supply Chain Traceability, connectedTo, Crop Health Monitoring>
+<Supply Chain Traceability, partOf, Predictive Analytics for Harvest>
+<end, connectedTo, Herd Health Monitoring>
+<start, connectedTo, Crop Insurance Assessment>
+<start, connectedTo, Digital Agronomy>
diff --git a/test/mermaid/medium/mermaid_344.txt b/test/mermaid/medium/mermaid_344.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6b74ef16034166b4f985ec82d2360d3849d7c104
--- /dev/null
+++ b/test/mermaid/medium/mermaid_344.txt
@@ -0,0 +1,24 @@
+<AI for Crop Disease Detection, connectedTo, Carbon Farming Initiatives>
+<AI for Crop Disease Detection, connectedTo, Connectivity Solutions>
+<Big Data Analytics for Farms, connectedTo, Resource Optimization>
+<Carbon Farming Initiatives, connectedTo, Big Data Analytics for Farms>
+<Carbon Farming Initiatives, connectedTo, Farm Management Dashboards>
+<Carbon Farming Initiatives, connectedTo, Geographic Information Systems for Farms>
+<Carbon Farming Initiatives, no, Drone Monitoring>
+<Carbon Farming Initiatives, no, Satellite Imaging>
+<Connectivity Solutions, connectedTo, Supply Chain Traceability>
+<Connectivity Solutions, partOf, Forestry Management with Digital Tools>
+<Drone Monitoring, connectedTo, end>
+<Farm Management Dashboards, connectedTo, Satellite Imaging>
+<Geographic Information Systems for Farms, connectedTo, Farm Management Dashboards>
+<Geographic Information Systems for Farms, connectedTo, Resource Optimization>
+<Geographic Information Systems for Farms, connectedTo, Satellite Imaging>
+<Precision Farming, yes, Drone Monitoring>
+<Predictive Analytics for Harvest, connectedTo, Precision Farming>
+<Resource Optimization, connectedTo, Predictive Analytics for Harvest>
+<Satellite Imaging, connectedTo, Drone Monitoring>
+<Satellite Imaging, no, Big Data Analytics for Farms>
+<Supply Chain Traceability, connectedTo, Precision Farming>
+<Supply Chain Traceability, partOf, Forestry Management with Digital Tools>
+<start, connectedTo, AI for Crop Disease Detection>
+<start, connectedTo, Satellite Imaging>
diff --git a/test/mermaid/medium/mermaid_345.mmd b/test/mermaid/medium/mermaid_345.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..2fa5b6cd2b4304cc563c51c46e9b622f8382d7b5
--- /dev/null
+++ b/test/mermaid/medium/mermaid_345.mmd
@@ -0,0 +1,90 @@
+graph LR
+    N0([IoT in Agriculture])
+    N1{Decision Support Systems for Farmers}
+    N2[(Livestock Feeding Automation)]
+    N3[/Satellite Imaging/]
+    N4[/Crop Insurance Assessment/]
+    N5([Smart Greenhouses])
+    N6[Precision Farming]
+    N7[Digital Soil Mapping]
+    N8([Herd Health Monitoring])
+    N9[/Smart Livestock Monitoring/]
+    N10([Vertical Farming Technology])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Carbon Farming Initiatives
+        nest0_0{Automated Irrigation}
+        nest0_1[Sustainability Metrics Tracking]
+        nest0_2[(Farm Management Software)]
+        nest0_3[/Crop Health Monitoring/]
+    end
+    N0 --> |yield_enhances| N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> |livestock_raises| N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> |fertilizes| N9
+    N9 --> N10
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 --> nest0_3
+    N8 --> |resource_efficiency_improves| nest0_0
+    nest0_3 --> |decision_supports| N7
+    N7 -.-> S0
+    S0 --> |waters| N9
+    S0 -.-> N10
+    N4 -.-> S1
+    S1 -.-> N7
+    S1 --> |visualizes| N6
+    N5 --> M0
+    N3 -.-> |soil_tests| M0
+    N2 -.-> M0
+    M0 -.-> N7
+    style N0 fill:#FFFDE7,stroke:#FFF176
+    style N1 fill:#D7CCC8,stroke:#795548
+    style N2 fill:#FFFDE7,stroke:#FFF176
+    style N3 fill:#D7CCC8,stroke:#795548
+    style N4 fill:#D7CCC8,stroke:#795548
+    style N5 fill:#D7CCC8,stroke:#795548
+    style N6 fill:#D7CCC8,stroke:#795548
+    style N7 fill:#FCE4EC,stroke:#E91E63
+    style N8 fill:#FCE4EC,stroke:#E91E63
+    style N9 fill:#FFFDE7,stroke:#FFF176
+    style N10 fill:#FFFDE7,stroke:#FFF176
+    style S0 fill:#D7CCC8,stroke:#795548
+    style S1 fill:#FFFDE7,stroke:#FFF176
+    style M0 fill:#FFFDE7,stroke:#FFF176
+    style nest0_0 fill:#FFFDE7,stroke:#FFF176
+    style nest0_1 fill:#FFFDE7,stroke:#FFF176
+    style nest0_2 fill:#FFFDE7,stroke:#FFF176
+    style nest0_3 fill:#D7CCC8,stroke:#795548
+    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:#000000,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:#795548,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:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,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:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#E91E63,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFF176,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/medium/mermaid_346.txt b/test/mermaid/medium/mermaid_346.txt
new file mode 100644
index 0000000000000000000000000000000000000000..975fb2763480d5d2de4f475c413d46e6b9248db5
--- /dev/null
+++ b/test/mermaid/medium/mermaid_346.txt
@@ -0,0 +1,23 @@
+<Anti_Cheat Measures, connectedTo, Social Media Management>
+<Anti_Cheat Measures, partOf, Prize Pool Management>
+<Brand Partnerships, connectedTo, Event Broadcasting>
+<Coaching Staff Management, connectedTo, Player Wellness Programs>
+<Coaching Staff Management, no, Content Creation>
+<Content Creation, yes, Gambling and Betting Regulation>
+<Esports Team Ownership, partOf, Prize Pool Management>
+<Esports Team Ownership, yes, Anti_Cheat Measures>
+<Event Broadcasting, connectedTo, Content Creation>
+<Event Broadcasting, no, Esports Team Ownership>
+<Gambling and Betting Regulation, connectedTo, Team Management>
+<Nutrition for Esports Athletes, partOf, Prize Pool Management>
+<Nutrition for Esports Athletes, yes, Brand Partnerships>
+<Player Scouting, connectedTo, Brand Partnerships>
+<Player Wellness Programs, connectedTo, end>
+<Player Wellness Programs, no, Player Scouting>
+<Social Media Management, connectedTo, Nutrition for Esports Athletes>
+<Social Media Management, partOf, Prize Pool Management>
+<Sponsorship Acquisition, connectedTo, Coaching Staff Management>
+<Sponsorship Acquisition, connectedTo, Player Scouting>
+<Sponsorship Acquisition, connectedTo, Player Wellness Programs>
+<Team Management, connectedTo, end>
+<start, connectedTo, Sponsorship Acquisition>
diff --git a/test/mermaid/medium/mermaid_349.mmd b/test/mermaid/medium/mermaid_349.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..8d04ab003cb99534d4c001cda8bf39921344bda9
--- /dev/null
+++ b/test/mermaid/medium/mermaid_349.mmd
@@ -0,0 +1,46 @@
+graph LR
+    N0([start])
+    N1(Genetic Basis of Brain Disorders)
+    N2[[Addiction Neuroscience]]
+    N3[Brain Imaging]
+    N4(Pain Perception Research)
+    N5([Neurofeedback Therapy])
+    N6(Aging Brain Research)
+    N7([end])
+    M0(( ))
+    subgraph Neural Network Analysis
+        nest0_0([Electrophysiology])
+        nest0_1(Neurotransmitter Research)
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> |yes| N3
+    N3 --> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 --> N7
+    nest0_0 --> |yes| nest0_1
+    N3 --> nest0_0
+    nest0_1 --> |yes| N1
+    N0 -.-> |yes| M0
+    N1 --> M0
+    M0 -.-> N3
+    N3 -.-> |no| N1
+    N6 -.-> N2
+    style M0 fill:#EDE7F6,stroke:#7E57C2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#7E57C2,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:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#66BB6A,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:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#66BB6A,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#9FA9E1,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#66BB6A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_35.txt b/test/mermaid/medium/mermaid_35.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0fc596442f2e6bc11731ebf076d411d7f8e87bfc
--- /dev/null
+++ b/test/mermaid/medium/mermaid_35.txt
@@ -0,0 +1,20 @@
+<Adventure Sports Booking, connectedTo, Destination Selection>
+<Adventure Sports Booking, connectedTo, Passport Renewal Assistance>
+<Adventure Sports Booking, connectedTo, Photo Capture>
+<Adventure Sports Booking, yes, Passport Renewal Assistance>
+<Destination Selection, connectedTo, Passport Renewal Assistance>
+<Destination Selection, no, Photo Capture>
+<Duty_Free Shopping, connectedTo, end>
+<Duty_Free Shopping, partOf, Loyalty Program Enrollment>
+<Group Tour Coordination, connectedTo, Language Translation Service>
+<Group Tour Coordination, partOf, Loyalty Program Enrollment>
+<Language Translation Service, connectedTo, Duty_Free Shopping>
+<Language Translation Service, partOf, Loyalty Program Enrollment>
+<Passport Renewal Assistance, connectedTo, Group Tour Coordination>
+<Passport Renewal Assistance, connectedTo, end>
+<Photo Capture, connectedTo, Passport Renewal Assistance>
+<start, connectedTo, Passport Renewal Assistance>
+<start, connectedTo, end>
+<start, no, Destination Selection>
+<start, yes, Adventure Sports Booking>
+<start, yes, Photo Capture>
diff --git a/test/mermaid/medium/mermaid_350.mmd b/test/mermaid/medium/mermaid_350.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..46eddd9577b4b35e7a089f465e84bcade366c2f2
--- /dev/null
+++ b/test/mermaid/medium/mermaid_350.mmd
@@ -0,0 +1,92 @@
+graph LR
+    N0([start])
+    N1[Gene Therapy for Neurological Disorders]
+    N2(Stem Cell Research)
+    N3(Cognitive Neuroscience)
+    N4([Neurological Disorder Diagnosis])
+    N5{Sensory Perception Research}
+    N6(Neuroethics)
+    N7[[Neural Network Analysis]]
+    N8[[Genetic Basis of Brain Disorders]]
+    N9[Spike Train Analysis]
+    N10[Molecular Neuroscience]
+    N11[Drug Development for Brain Disorders]
+    N12(Memory Formation Research)
+    N13[[Behavioral Neuroscience]]
+    N14[(Aging Brain Research)]
+    N15([end])
+    S0(( ))
+    M0(( ))
+    subgraph Deep Brain Stimulation
+        nest0_0(Neuroprosthetics)
+        nest0_1{Neurodegenerative Disease Research}
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> |brains_explores| N4
+    N4 -.-> |circuits_understands| N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    N10 --> N11
+    N11 -.-> N12
+    N12 --> |cognition_studies| N13
+    N13 -.-> N14
+    N14 --> |therapies_develops| N15
+    nest0_0 --> nest0_1
+    N11 -.-> nest0_0
+    nest0_1 -.-> |discovers| N4
+    N7 --> S0
+    S0 --> N15
+    S0 -.-> |analyzes| N11
+    N2 -.-> M0
+    N0 --> M0
+    M0 --> N8
+    style N0 fill:#D1C4E9,stroke:#7E57C2
+    style N1 fill:#D1C4E9,stroke:#7E57C2
+    style N2 fill:#FFFDE7,stroke:#FBC02D
+    style N3 fill:#D1C4E9,stroke:#7E57C2
+    style N4 fill:#EDE7F6,stroke:#7E57C2
+    style N5 fill:#EDE7F6,stroke:#7E57C2
+    style N6 fill:#FFFDE7,stroke:#FBC02D
+    style N7 fill:#D1C4E9,stroke:#7E57C2
+    style N8 fill:#EDE7F6,stroke:#7E57C2
+    style N9 fill:#D1C4E9,stroke:#7E57C2
+    style N10 fill:#EDE7F6,stroke:#7E57C2
+    style N11 fill:#FFFDE7,stroke:#FBC02D
+    style N12 fill:#EDE7F6,stroke:#7E57C2
+    style N13 fill:#FFFDE7,stroke:#FBC02D
+    style N14 fill:#EDE7F6,stroke:#7E57C2
+    style N15 fill:#EDE7F6,stroke:#7E57C2
+    style S0 fill:#D1C4E9,stroke:#7E57C2
+    style M0 fill:#D1C4E9,stroke:#7E57C2
+    style nest0_0 fill:#D1C4E9,stroke:#7E57C2
+    style nest0_1 fill:#FFFDE7,stroke:#FBC02D
+    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:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#7E57C2,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:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#7E57C2,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:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#7E57C2,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:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#7E57C2,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_354.mmd b/test/mermaid/medium/mermaid_354.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..8e1cb7181a8a2a6bad2be44e0da7f44dae6567cf
--- /dev/null
+++ b/test/mermaid/medium/mermaid_354.mmd
@@ -0,0 +1,88 @@
+graph BT
+    N0([Cultural Tourism Development])
+    N1(Photogrammetry for Documentation)
+    N2{World Heritage Site Management}
+    N3[[Digital Documentation]]
+    N4[GIS Mapping for Heritage Sites]
+    N5([Material Analysis])
+    N6(Digital Storytelling)
+    N7[/Illicit Trafficking Control/]
+    N8(Crowdsourcing for Heritage Data)
+    N9(3D Scanning of Artifacts)
+    N10(Community Engagement)
+    N11([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Climate Change Impact on Heritage
+        nest0_0[(Archaeological Excavation)]
+        nest0_1(Museum Collection Management)
+        nest0_2(Restoration Techniques)
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> |protects| N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 -.-> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 --> |3D_scans| N10
+    N10 --> |data_collects| N11
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    N2 -.-> nest0_0
+    nest0_2 --> |traditions_sustains| N3
+    N6 -.-> S0
+    S0 --> N11
+    S0 -.-> |visualizes| N10
+    N6 --> S1
+    S1 -.-> N9
+    S1 -.-> |intangible_heritage_safeguards| N11
+    N6 -.-> M0
+    N7 --> |conserves| M0
+    M0 --> N9
+    style N0 fill:#D3D7EB,stroke:#8C9EFF
+    style N1 fill:#D3D7EB,stroke:#8C9EFF
+    style N2 fill:#E8F0EA,stroke:#92C79A
+    style N3 fill:#E8F0EA,stroke:#92C79A
+    style N4 fill:#D3D7EB,stroke:#8C9EFF
+    style N5 fill:#E8F0EA,stroke:#92C79A
+    style N6 fill:#D3D7EB,stroke:#8C9EFF
+    style N7 fill:#D3D7EB,stroke:#8C9EFF
+    style N8 fill:#E8F0EA,stroke:#92C79A
+    style N9 fill:#D3D7EB,stroke:#8C9EFF
+    style N10 fill:#FFFCE6,stroke:#FFF9AE
+    style N11 fill:#E8F0EA,stroke:#92C79A
+    style S0 fill:#FFFCE6,stroke:#FFF9AE
+    style S1 fill:#D3D7EB,stroke:#8C9EFF
+    style M0 fill:#D3D7EB,stroke:#8C9EFF
+    style nest0_0 fill:#E8F0EA,stroke:#92C79A
+    style nest0_1 fill:#FFFCE6,stroke:#FFF9AE
+    style nest0_2 fill:#FFFCE6,stroke:#FFF9AE
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#8C9EFF,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:#8C9EFF,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:#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;
+    linkStyle 12 stroke:#92C79A,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:#8C9EFF,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:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFF9AE,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,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/medium/mermaid_354.txt b/test/mermaid/medium/mermaid_354.txt
new file mode 100644
index 0000000000000000000000000000000000000000..87342f638c88ac8961eba93a54e81c9736142f52
--- /dev/null
+++ b/test/mermaid/medium/mermaid_354.txt
@@ -0,0 +1,23 @@
+<3D Scanning of Artifacts, 3D_scans, Community Engagement>
+<Archaeological Excavation, connectedTo, Museum Collection Management>
+<Archaeological Excavation, partOf, Climate Change Impact on Heritage>
+<Community Engagement, data_collects, end>
+<Crowdsourcing for Heritage Data, connectedTo, 3D Scanning of Artifacts>
+<Cultural Tourism Development, connectedTo, Photogrammetry for Documentation>
+<Digital Documentation, protects, GIS Mapping for Heritage Sites>
+<Digital Storytelling, connectedTo, 3D Scanning of Artifacts>
+<Digital Storytelling, connectedTo, Illicit Trafficking Control>
+<Digital Storytelling, connectedTo, end>
+<Digital Storytelling, intangible_heritage_safeguards, end>
+<Digital Storytelling, visualizes, Community Engagement>
+<GIS Mapping for Heritage Sites, connectedTo, Material Analysis>
+<Illicit Trafficking Control, connectedTo, Crowdsourcing for Heritage Data>
+<Illicit Trafficking Control, conserves, 3D Scanning of Artifacts>
+<Material Analysis, connectedTo, Digital Storytelling>
+<Museum Collection Management, connectedTo, Restoration Techniques>
+<Museum Collection Management, partOf, Climate Change Impact on Heritage>
+<Photogrammetry for Documentation, connectedTo, World Heritage Site Management>
+<Restoration Techniques, partOf, Climate Change Impact on Heritage>
+<Restoration Techniques, traditions_sustains, Digital Documentation>
+<World Heritage Site Management, connectedTo, Archaeological Excavation>
+<World Heritage Site Management, connectedTo, Digital Documentation>
diff --git a/test/mermaid/medium/mermaid_355.txt b/test/mermaid/medium/mermaid_355.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0de1797db7c06c7816aac629ad63aff65bd43a8c
--- /dev/null
+++ b/test/mermaid/medium/mermaid_355.txt
@@ -0,0 +1,24 @@
+<Bio_computation, connectedTo, Cellular Reprogramming>
+<Bio_manufacturing, connectedTo, Biosecurity Protocols>
+<Bio_manufacturing, connectedTo, Gene Synthesis Platforms>
+<Biosecurity Protocols, connectedTo, High_Throughput Screening>
+<Biosecurity Protocols, security_manages, Public Engagement>
+<Cell_Free Systems, connectedTo, end>
+<Cellular Reprogramming, connectedTo, Vaccine Synthesis>
+<DNA Storage Technologies, educates, Synthetic Gene Networks>
+<Gene Synthesis Platforms, connectedTo, Biosecurity Protocols>
+<Gene Synthesis Platforms, connectedTo, Cellular Reprogramming>
+<Gene Synthesis Platforms, connectedTo, DNA Storage Technologies>
+<High_Throughput Screening, models, Novel Enzyme Creation>
+<Metabolic Pathway Engineering, connectedTo, Bio_computation>
+<Metabolic Pathway Engineering, partOf, Biocontainment Strategies>
+<Microbial Factories, connectedTo, Cell_Free Systems>
+<Novel Enzyme Creation, connectedTo, Bio_computation>
+<Novel Enzyme Creation, connectedTo, Synthetic Gene Networks>
+<Novel Enzyme Creation, connectedTo, end>
+<Protein Design, collaborates, Biosecurity Protocols>
+<Protein Design, connectedTo, Bio_manufacturing>
+<Public Engagement, connectedTo, Metabolic Pathway Engineering>
+<Public Engagement, partOf, Biocontainment Strategies>
+<Synthetic Gene Networks, clones, Microbial Factories>
+<Vaccine Synthesis, connectedTo, DNA Storage Technologies>
diff --git a/test/mermaid/medium/mermaid_358.mmd b/test/mermaid/medium/mermaid_358.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c37e391332d388795980ef1f7d3b819a06b61969
--- /dev/null
+++ b/test/mermaid/medium/mermaid_358.mmd
@@ -0,0 +1,86 @@
+graph LR
+    N0([Gamified Learning])
+    N1{Parent Engagement Tools}
+    N2[(Competency_Based Learning Platforms)]
+    N3{Digital Textbooks}
+    N4[[Blockchain for Educational Credentials]]
+    N5[(Cybersecurity for EdTech)]
+    N6([Learning Design Principles])
+    N7{E_Learning Platform Design}
+    N8([Teacher Training Platforms])
+    N9([Student Performance Tracking])
+    N10([Educational Robotics])
+    S0(( ))
+    M0(( ))
+    M1(( ))
+    subgraph AI in Education
+        nest0_0(Badging and Certification Systems)
+        nest0_1{Open Educational Resources}
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 -.-> |delivers| N5
+    N5 -.-> |licenses| N6
+    N6 --> N7
+    N7 -.-> |assesses| N8
+    N8 --> |publishes| N9
+    N9 --> N10
+    nest0_0 -.-> nest0_1
+    N9 -.-> |platforms_builds| nest0_0
+    nest0_1 -.-> N9
+    N1 -.-> S0
+    S0 --> N10
+    S0 --> N5
+    S0 -.-> N8
+    N2 -.-> |students_supports| M0
+    N0 --> |markets| M0
+    N3 -.-> M0
+    M0 --> N5
+    N0 -.-> M1
+    N6 -.-> M1
+    N7 -.-> |experiences_personalizes| M1
+    M1 -.-> N9
+    style N0 fill:#D3D7EB,stroke:#8C9EFF
+    style N1 fill:#FFF0CC,stroke:#FFCC80
+    style N2 fill:#D7CCC8,stroke:#795548
+    style N3 fill:#FFF0CC,stroke:#FFCC80
+    style N4 fill:#FFF0CC,stroke:#FFCC80
+    style N5 fill:#D7CCC8,stroke:#795548
+    style N6 fill:#FFF0CC,stroke:#FFCC80
+    style N7 fill:#D3D7EB,stroke:#8C9EFF
+    style N8 fill:#FFF0CC,stroke:#FFCC80
+    style N9 fill:#FFF0CC,stroke:#FFCC80
+    style N10 fill:#D7CCC8,stroke:#795548
+    style S0 fill:#D3D7EB,stroke:#8C9EFF
+    style M0 fill:#FFF0CC,stroke:#FFCC80
+    style M1 fill:#FFF0CC,stroke:#FFCC80
+    style nest0_0 fill:#D7CCC8,stroke:#795548
+    style nest0_1 fill:#FFF0CC,stroke:#FFCC80
+    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:#795548,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#795548,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:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#8C9EFF,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:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#795548,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_358.txt b/test/mermaid/medium/mermaid_358.txt
new file mode 100644
index 0000000000000000000000000000000000000000..00c5319e259b6edcd5f080e68ef661f2b03fd7f0
--- /dev/null
+++ b/test/mermaid/medium/mermaid_358.txt
@@ -0,0 +1,24 @@
+<Badging and Certification Systems, connectedTo, Open Educational Resources>
+<Badging and Certification Systems, partOf, AI in Education>
+<Blockchain for Educational Credentials, delivers, Cybersecurity for EdTech>
+<Competency_Based Learning Platforms, connectedTo, Digital Textbooks>
+<Competency_Based Learning Platforms, students_supports, Cybersecurity for EdTech>
+<Cybersecurity for EdTech, licenses, Learning Design Principles>
+<Digital Textbooks, connectedTo, Blockchain for Educational Credentials>
+<Digital Textbooks, connectedTo, Cybersecurity for EdTech>
+<E_Learning Platform Design, assesses, Teacher Training Platforms>
+<E_Learning Platform Design, experiences_personalizes, Student Performance Tracking>
+<Gamified Learning, connectedTo, Parent Engagement Tools>
+<Gamified Learning, connectedTo, Student Performance Tracking>
+<Gamified Learning, markets, Cybersecurity for EdTech>
+<Learning Design Principles, connectedTo, E_Learning Platform Design>
+<Learning Design Principles, connectedTo, Student Performance Tracking>
+<Open Educational Resources, connectedTo, Student Performance Tracking>
+<Open Educational Resources, partOf, AI in Education>
+<Parent Engagement Tools, connectedTo, Competency_Based Learning Platforms>
+<Parent Engagement Tools, connectedTo, Cybersecurity for EdTech>
+<Parent Engagement Tools, connectedTo, Educational Robotics>
+<Parent Engagement Tools, connectedTo, Teacher Training Platforms>
+<Student Performance Tracking, connectedTo, Educational Robotics>
+<Student Performance Tracking, platforms_builds, Badging and Certification Systems>
+<Teacher Training Platforms, publishes, Student Performance Tracking>
diff --git a/test/mermaid/medium/mermaid_360.mmd b/test/mermaid/medium/mermaid_360.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f75a02ff5fc6012565e2277266cdbc0cf4f9e462
--- /dev/null
+++ b/test/mermaid/medium/mermaid_360.mmd
@@ -0,0 +1,92 @@
+graph BT
+    N0([Adaptive Learning Systems])
+    N1[Curriculum Digitization]
+    N2([E_Learning Platform Design])
+    N3[/Augmented Reality in Education/]
+    N4[Educational Robotics]
+    N5[Blockchain for Educational Credentials]
+    N6[[Social_Emotional Learning Tools]]
+    N7[/Educational Data Mining/]
+    N8{Educational Apps Development}
+    N9(Data Privacy in Education)
+    N10(Teacher Training Platforms)
+    N11{Virtual Classrooms}
+    N12(Professional Development for Educators)
+    N13([Interactive Content Creation])
+    S0(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Simulations for Learning
+        nest0_0{AI in Education}
+        nest0_1[[Parent Engagement Tools]]
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> N3
+    N3 -.-> |complies| N4
+    N4 -.-> |experiences_personalizes| N5
+    N5 --> N6
+    N6 --> |simulates| N7
+    N7 -.-> N8
+    N8 -.-> |students_supports| N9
+    N9 --> N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 --> N13
+    nest0_0 --> nest0_1
+    N2 --> |partners| nest0_0
+    nest0_1 -.-> N8
+    N3 -.-> S0
+    S0 --> N8
+    S0 --> |sells| N6
+    N0 -.-> M0
+    N1 -.-> M0
+    M0 --> N4
+    N1 --> M1
+    N9 --> |delivers| M1
+    M1 --> N12
+    style N0 fill:#FFECB3,stroke:#FFC107
+    style N1 fill:#E4E0DF,stroke:#BDAFA8
+    style N2 fill:#CFD8DC,stroke:#607D8B
+    style N3 fill:#E4E0DF,stroke:#BDAFA8
+    style N4 fill:#FFECB3,stroke:#FFC107
+    style N5 fill:#CFD8DC,stroke:#607D8B
+    style N6 fill:#E4E0DF,stroke:#BDAFA8
+    style N7 fill:#E4E0DF,stroke:#BDAFA8
+    style N8 fill:#CFD8DC,stroke:#607D8B
+    style N9 fill:#CFD8DC,stroke:#607D8B
+    style N10 fill:#E4E0DF,stroke:#BDAFA8
+    style N11 fill:#CFD8DC,stroke:#607D8B
+    style N12 fill:#CFD8DC,stroke:#607D8B
+    style N13 fill:#CFD8DC,stroke:#607D8B
+    style S0 fill:#E4E0DF,stroke:#BDAFA8
+    style M0 fill:#FFECB3,stroke:#FFC107
+    style M1 fill:#CFD8DC,stroke:#607D8B
+    style nest0_0 fill:#FFECB3,stroke:#FFC107
+    style nest0_1 fill:#CFD8DC,stroke:#607D8B
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFC107,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:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#FFC107,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:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#607D8B,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:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFC107,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#BDAFA8,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:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#FFC107,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/medium/mermaid_39.txt b/test/mermaid/medium/mermaid_39.txt
new file mode 100644
index 0000000000000000000000000000000000000000..df150001c2712e33be4f893005d050784054f19b
--- /dev/null
+++ b/test/mermaid/medium/mermaid_39.txt
@@ -0,0 +1,22 @@
+<Closing Meeting, connectedTo, Price Negotiation>
+<HOA Management, connectedTo, Escrow Setup>
+<Loan Pre_Approval, connectedTo, Property Listing>
+<Loan Pre_Approval, evaluates, Open House Event>
+<Loan Pre_Approval, finalizes, Tax Assessment>
+<Loan Pre_Approval, surveys, Property Management>
+<Market Trend Analysis, connectedTo, Tenant Screening>
+<Market Trend Analysis, partOf, Virtual Tour Creation>
+<Mortgage Application Assistance, connectedTo, Zoning Compliance>
+<Mortgage Application Assistance, partOf, Virtual Tour Creation>
+<Open House Event, closes, Property Listing>
+<Open House Event, secures, Tax Assessment>
+<Price Negotiation, invests, Tax Assessment>
+<Property Listing, connectedTo, Escrow Setup>
+<Property Listing, connectedTo, Property Management>
+<Property Listing, connectedTo, Zoning Compliance>
+<Property Management, buys, Zoning Compliance>
+<Tax Assessment, approves, Market Trend Analysis>
+<Tax Assessment, finances, HOA Management>
+<Tenant Screening, connectedTo, Mortgage Application Assistance>
+<Tenant Screening, partOf, Virtual Tour Creation>
+<Zoning Compliance, connectedTo, Closing Meeting>
diff --git a/test/mermaid/medium/mermaid_41.mmd b/test/mermaid/medium/mermaid_41.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f1385bae4e23e5c5dd13cc299f8bc974e0182ad6
--- /dev/null
+++ b/test/mermaid/medium/mermaid_41.mmd
@@ -0,0 +1,74 @@
+graph LR
+    N0([Evacuation Planning])
+    N1[[Public Safety Training]]
+    N2[/Crime Prevention Programs/]
+    N3(Fire Suppression)
+    N4[Crowd Management]
+    N5{Traffic Control}
+    N6{Threat Assessment}
+    N7[(Surveillance Review)]
+    N8(Witness Interview)
+    N9(Forensic Analysis)
+    N10([Patrol Scheduling])
+    S1(( ))
+    M1(( ))
+    subgraph Inmate Transport
+        nest0_0[(Cybersecurity Threat Response)]
+        nest0_1[(SWAT Team Activation)]
+    end
+    N0 --> |controls| N1
+    N1 --> N2
+    N2 -.-> |recovers| N3
+    N3 -.-> |educates| N4
+    N4 -.-> N5
+    N5 --> N6
+    N6 -.-> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 --> N10
+    nest0_0 -.-> nest0_1
+    N8 --> |licenses| nest0_0
+    nest0_1 --> N4
+    N7 --> S1
+    S1 --> N10
+    S1 --> N9
+    N1 -.-> M1
+    N0 --> M1
+    M1 -.-> N7
+    nest0_1 -.-> N7
+    style N0 fill:#FCE4EC,stroke:#E91E63
+    style N1 fill:#F9FBE7,stroke:#DCE775
+    style N2 fill:#F9FBE7,stroke:#DCE775
+    style N3 fill:#F9FBE7,stroke:#DCE775
+    style N4 fill:#FCE4EC,stroke:#E91E63
+    style N5 fill:#FFF0CC,stroke:#FFCC80
+    style N6 fill:#FFF0CC,stroke:#FFCC80
+    style N7 fill:#FCE4EC,stroke:#E91E63
+    style N8 fill:#FFF0CC,stroke:#FFCC80
+    style N9 fill:#FCE4EC,stroke:#E91E63
+    style N10 fill:#F9FBE7,stroke:#DCE775
+    style S1 fill:#FCE4EC,stroke:#E91E63
+    style M1 fill:#FCE4EC,stroke:#E91E63
+    style nest0_0 fill:#FCE4EC,stroke:#E91E63
+    style nest0_1 fill:#FCE4EC,stroke:#E91E63
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#FFCC80,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:#E91E63,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#E91E63,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:#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:#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:#FFCC80,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#E91E63,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/medium/mermaid_42.mmd b/test/mermaid/medium/mermaid_42.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..0f79284cd4033a52c95a2e6532feac551f87d85c
--- /dev/null
+++ b/test/mermaid/medium/mermaid_42.mmd
@@ -0,0 +1,76 @@
+graph LR
+    N0([Evidence Collection])
+    N1[(Post_Incident Review)]
+    N2[(Disaster Relief Coordination)]
+    N3[/Fire Suppression/]
+    N4[[Search and Rescue Operations]]
+    N5[[Drug Interdiction]]
+    N6([Border Security])
+    S0(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Crowd Management
+        nest0_0[(Victim Support Services)]
+        nest0_1[(Surveillance Review)]
+        nest0_2[(Hazard Detection)]
+        nest0_3[Emergency Dispatch]
+    end
+    N0 --> |predicts| N1
+    N1 --> |contains| N2
+    N2 -.-> |debriefs| N3
+    N3 --> N4
+    N4 -.-> |controls| N5
+    N5 -.-> |monitors| N6
+    nest0_0 --> nest0_1
+    nest0_1 -.-> |dispatches| nest0_2
+    nest0_2 -.-> nest0_3
+    N5 -.-> nest0_0
+    nest0_3 -.-> N3
+    N0 -.-> S0
+    S0 -.-> N4
+    S0 --> N3
+    S0 -.-> N5
+    N1 -.-> M0
+    N0 -.-> M0
+    M0 -.-> N3
+    N1 --> M1
+    N2 -.-> |arrests| M1
+    N0 -.-> M1
+    M1 -.-> N4
+    style N0 fill:#F9FBE7,stroke:#C0CA33
+    style N1 fill:#F9FBE7,stroke:#C0CA33
+    style N2 fill:#F9FBE7,stroke:#C0CA33
+    style N3 fill:#F9FBE7,stroke:#C0CA33
+    style N4 fill:#F9FBE7,stroke:#C0CA33
+    style N5 fill:#F5F5DC,stroke:#BCB88A
+    style N6 fill:#F5F5DC,stroke:#BCB88A
+    style S0 fill:#F5F5DC,stroke:#BCB88A
+    style M0 fill:#F9FBE7,stroke:#C0CA33
+    style M1 fill:#FFDAB9,stroke:#FFC085
+    style nest0_0 fill:#F5F5DC,stroke:#BCB88A
+    style nest0_1 fill:#F9FBE7,stroke:#C0CA33
+    style nest0_2 fill:#F9FBE7,stroke:#C0CA33
+    style nest0_3 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:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#BCB88A,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:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#BCB88A,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#C0CA33,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#BCB88A,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_43.mmd b/test/mermaid/medium/mermaid_43.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..262849b2003add1a130a65db3650f689366598d4
--- /dev/null
+++ b/test/mermaid/medium/mermaid_43.mmd
@@ -0,0 +1,68 @@
+graph BT
+    N0([Premiere Event])
+    N1[/Fan Engagement Strategy/]
+    N2[Budget Planning]
+    N3(Licensing Approval)
+    N4[[Film Distribution]]
+    N5(Casting Call)
+    N6([end])
+    S0(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Actor Rehearsal
+        nest0_0(Sound Engineering)
+        nest0_1[/Footage Review/]
+        nest0_2([Intellectual Property Protection])
+    end
+    N0 --> |monetizes| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> |develops| N4
+    N4 --> N5
+    N5 -.-> N6
+    nest0_0 -.-> |produces| nest0_1
+    nest0_1 --> nest0_2
+    N5 -.-> nest0_0
+    nest0_2 --> N6
+    N3 --> S0
+    S0 -.-> N6
+    S0 -.-> N5
+    N4 -.-> |renders| M0
+    N2 --> M0
+    M0 --> N6
+    N0 -.-> |reviews| M1
+    N1 --> M1
+    M1 -.-> N3
+    style N0 fill:#E0F7FA,stroke:#00BCD4
+    style N1 fill:#EFEBE9,stroke:#A1887F
+    style N2 fill:#E0F7FA,stroke:#00BCD4
+    style N3 fill:#C5CAE9,stroke:#3F51B5
+    style N4 fill:#EFEBE9,stroke:#A1887F
+    style N5 fill:#E0F7FA,stroke:#00BCD4
+    style N6 fill:#EFEBE9,stroke:#A1887F
+    style S0 fill:#E0F7FA,stroke:#00BCD4
+    style M0 fill:#EFEBE9,stroke:#A1887F
+    style M1 fill:#C5CAE9,stroke:#3F51B5
+    style nest0_0 fill:#E0F7FA,stroke:#00BCD4
+    style nest0_1 fill:#C5CAE9,stroke:#3F51B5
+    style nest0_2 fill:#C5CAE9,stroke:#3F51B5
+    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:#000000,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#3F51B5,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:#3F51B5,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#A1887F,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#3F51B5,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:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_44.txt b/test/mermaid/medium/mermaid_44.txt
new file mode 100644
index 0000000000000000000000000000000000000000..020716dc234263d451189e4623acaa965d1099be
--- /dev/null
+++ b/test/mermaid/medium/mermaid_44.txt
@@ -0,0 +1,21 @@
+<Audience Feedback, connectedTo, Casting Call>
+<Audience Feedback, connectedTo, Merchandise Creation>
+<Broadcast Scheduling, connectedTo, Casting Call>
+<Broadcast Scheduling, yes, Licensing Approval>
+<Broadcast Scheduling, yes, Streaming Setup>
+<Casting Call, connectedTo, Streaming Setup>
+<Licensing Approval, connectedTo, Casting Call>
+<Licensing Approval, connectedTo, Streaming Setup>
+<Licensing Approval, connectedTo, end>
+<Lighting Setup, connectedTo, end>
+<Lighting Setup, partOf, Press Junket>
+<Merchandise Creation, connectedTo, Broadcast Scheduling>
+<Merchandise Creation, no, Music Composition>
+<Music Composition, connectedTo, Stunt Coordination>
+<Music Composition, partOf, Press Junket>
+<Streaming Setup, connectedTo, end>
+<Stunt Coordination, connectedTo, Visual Effects>
+<Stunt Coordination, partOf, Press Junket>
+<Visual Effects, connectedTo, Lighting Setup>
+<Visual Effects, partOf, Press Junket>
+<start, connectedTo, Audience Feedback>
diff --git a/test/mermaid/medium/mermaid_45.mmd b/test/mermaid/medium/mermaid_45.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..74973ec5ee70c855d32f4ced34f94fe900bcbbe6
--- /dev/null
+++ b/test/mermaid/medium/mermaid_45.mmd
@@ -0,0 +1,71 @@
+graph BT
+    N0([start])
+    N1{Marketing Campaign}
+    N2(Post_Production Audio Mixing)
+    N3(Casting Call)
+    N4[/Talent Management/]
+    N5{Awards Ceremony Production}
+    N6{Music Composition}
+    N7([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Footage Review
+        nest0_0{Press Junket}
+        nest0_1[(Animation Production)]
+        nest0_2(Premiere Event)
+    end
+    N0 -.-> N1
+    N1 -.-> |no| N2
+    N2 --> N3
+    N3 --> N4
+    N4 --> N5
+    N5 --> N6
+    N6 -.-> N7
+    nest0_0 -.-> |no| nest0_1
+    nest0_1 -.-> nest0_2
+    N5 -.-> |yes| nest0_0
+    nest0_2 -.-> |yes| N3
+    N2 --> S0
+    S0 -.-> |yes| N5
+    S0 -.-> N4
+    S0 -.-> N7
+    N1 -.-> S1
+    S1 -.-> N3
+    S1 -.-> N5
+    N1 -.-> M0
+    N0 --> M0
+    M0 --> N3
+    N1 -.-> M1
+    N0 -.-> |yes| M1
+    M1 --> N3
+    style S0 fill:#FCFCE7,stroke:#DCE775
+    style S1 fill:#ECF0FD,stroke:#B8C0F5
+    style M0 fill:#FCFCE7,stroke:#DCE775
+    style M1 fill:#ECF0FD,stroke:#B8C0F5
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#8C9EFF,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:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#8C9EFF,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:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#DCE775,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#8C9EFF,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#8C9EFF,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_45.txt b/test/mermaid/medium/mermaid_45.txt
new file mode 100644
index 0000000000000000000000000000000000000000..01580a0cb10a8f41e3ad2a3faf6a7b9f5d73e244
--- /dev/null
+++ b/test/mermaid/medium/mermaid_45.txt
@@ -0,0 +1,21 @@
+<Animation Production, connectedTo, Premiere Event>
+<Animation Production, partOf, Footage Review>
+<Awards Ceremony Production, connectedTo, Music Composition>
+<Awards Ceremony Production, yes, Press Junket>
+<Casting Call, connectedTo, Talent Management>
+<Marketing Campaign, connectedTo, Awards Ceremony Production>
+<Marketing Campaign, connectedTo, Casting Call>
+<Marketing Campaign, no, Post_Production Audio Mixing>
+<Music Composition, connectedTo, end>
+<Post_Production Audio Mixing, connectedTo, Casting Call>
+<Post_Production Audio Mixing, connectedTo, Talent Management>
+<Post_Production Audio Mixing, connectedTo, end>
+<Post_Production Audio Mixing, yes, Awards Ceremony Production>
+<Premiere Event, partOf, Footage Review>
+<Premiere Event, yes, Casting Call>
+<Press Junket, no, Animation Production>
+<Press Junket, partOf, Footage Review>
+<Talent Management, connectedTo, Awards Ceremony Production>
+<start, connectedTo, Casting Call>
+<start, connectedTo, Marketing Campaign>
+<start, yes, Casting Call>
diff --git a/test/mermaid/medium/mermaid_46.txt b/test/mermaid/medium/mermaid_46.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9bd9032a5c7f0139c4512b187de2c558eddd9ff1
--- /dev/null
+++ b/test/mermaid/medium/mermaid_46.txt
@@ -0,0 +1,24 @@
+<Citizen Science Initiative, connectedTo, Green Certification>
+<Citizen Science Initiative, connectedTo, Policy Advocacy>
+<Citizen Science Initiative, restores, end>
+<Coastal Erosion Control, connectedTo, end>
+<Coastal Erosion Control, enforces, Reforestation Planning>
+<Coastal Erosion Control, innovates, Public Awareness Campaign>
+<Energy Audit, connectedTo, Environmental Impact Assessment>
+<Energy Audit, partOf, Ecological Footprint Analysis>
+<Environmental Impact Assessment, connectedTo, Waste Collection>
+<Environmental Impact Assessment, partOf, Ecological Footprint Analysis>
+<Green Certification, connectedTo, Waste Collection>
+<Policy Advocacy, permits, end>
+<Pollution Alert, connectedTo, Energy Audit>
+<Pollution Alert, partOf, Ecological Footprint Analysis>
+<Public Awareness Campaign, connectedTo, Green Certification>
+<Public Awareness Campaign, mitigates, Citizen Science Initiative>
+<Reforestation Planning, connectedTo, Species Reintroduction>
+<Reforestation Planning, models, Green Certification>
+<Species Reintroduction, assesses, Public Awareness Campaign>
+<Species Reintroduction, calculates, Waste Collection>
+<Waste Collection, connectedTo, Policy Advocacy>
+<Waste Collection, connectedTo, Pollution Alert>
+<Water Sampling, connectedTo, Coastal Erosion Control>
+<Water Sampling, detects, Waste Collection>
diff --git a/test/mermaid/medium/mermaid_52.mmd b/test/mermaid/medium/mermaid_52.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..8ca5854b908dffc418bf1aea99d743d506b1d2a1
--- /dev/null
+++ b/test/mermaid/medium/mermaid_52.mmd
@@ -0,0 +1,84 @@
+graph TD
+    N0([Order Fulfillment])
+    N1[[Loss Prevention]]
+    N2[Supply Chain Optimization]
+    N3[[Inventory Check]]
+    N4[Curbside Delivery]
+    N5[[Promotion Planning]]
+    N6([Customer Engagement])
+    N7{Vendor Managed Inventory}
+    N8[/Price Tagging/]
+    N9([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Payment Processing
+        nest0_0[(Customer Survey)]
+        nest0_1[(Fitting Room Management)]
+        nest0_2[[Product Listing]]
+        nest0_3[[Shelf Restocking]]
+    end
+    N0 --> |sells| N1
+    N1 -.-> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> |audits| N6
+    N6 -.-> |complies| N7
+    N7 -.-> N8
+    N8 --> |reports| N9
+    nest0_0 --> nest0_1
+    nest0_1 --> nest0_2
+    nest0_2 --> nest0_3
+    N7 --> nest0_0
+    nest0_3 --> N7
+    N6 --> S0
+    S0 -.-> N8
+    S0 --> N9
+    N2 --> S1
+    S1 -.-> N5
+    S1 --> N9
+    N0 --> M0
+    N1 --> M0
+    M0 -.-> N3
+    style N0 fill:#D1C4E9,stroke:#673AB7
+    style N1 fill:#D1C4E9,stroke:#673AB7
+    style N2 fill:#FFFDE7,stroke:#FFF176
+    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:#D1C4E9,stroke:#673AB7
+    style N8 fill:#FFFDE7,stroke:#FFF176
+    style N9 fill:#FFFDE7,stroke:#FFF176
+    style S0 fill:#FFFDE7,stroke:#FFF176
+    style S1 fill:#E1F5FE,stroke:#4FC3F7
+    style M0 fill:#FFFDE7,stroke:#FFF176
+    style nest0_0 fill:#E1F5FE,stroke:#4FC3F7
+    style nest0_1 fill:#D1C4E9,stroke:#673AB7
+    style nest0_2 fill:#FFFDE7,stroke:#FFF176
+    style nest0_3 fill:#D1C4E9,stroke:#673AB7
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#FFF176,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:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#4FC3F7,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#673AB7,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFF176,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_54.txt b/test/mermaid/medium/mermaid_54.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5d0734592cd900da7c50e0738f78b8897e397b08
--- /dev/null
+++ b/test/mermaid/medium/mermaid_54.txt
@@ -0,0 +1,25 @@
+<Customer Checkout, analyzes, Supplier Coordination>
+<Customer Checkout, connectedTo, Price Tagging>
+<Customer Checkout, connectedTo, Stock Replenishment>
+<Customer Checkout, secures, Shopping Cart Collection>
+<Customer Loyalty Analytics, connectedTo, Fitting Room Management>
+<Customer Survey, connectedTo, Order Fulfillment>
+<Fitting Room Management, connectedTo, Customer Survey>
+<Fitting Room Management, supports, Vendor Managed Inventory>
+<Inventory Check, connectedTo, Supplier Payment>
+<Inventory Check, partOf, Self_Checkout Assistance>
+<Order Fulfillment, connectedTo, Customer Checkout>
+<Price Tagging, connectedTo, Visual Merchandising>
+<Product Demonstration, optimizes, Inventory Check>
+<Product Demonstration, partOf, Self_Checkout Assistance>
+<Return Handling, connectedTo, Shopping Cart Collection>
+<Shelf Restocking, receives, Customer Survey>
+<Shopping Cart Collection, connectedTo, Price Tagging>
+<Stock Replenishment, connectedTo, Return Handling>
+<Supplier Coordination, engages, Curbside Delivery>
+<Supplier Payment, connectedTo, Warehouse Picking>
+<Supplier Payment, delivers, Shelf Restocking>
+<Vendor Managed Inventory, connectedTo, Supplier Payment>
+<Visual Merchandising, reports, Supplier Coordination>
+<Warehouse Picking, connectedTo, Product Demonstration>
+<Warehouse Picking, partOf, Self_Checkout Assistance>
diff --git a/test/mermaid/medium/mermaid_56.txt b/test/mermaid/medium/mermaid_56.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6b357e46e83a56c959ebf88162263d6fc5e0b6df
--- /dev/null
+++ b/test/mermaid/medium/mermaid_56.txt
@@ -0,0 +1,21 @@
+<Autonomous Driving Software Development, connectedTo, Fluid Level Check>
+<Customer Test Drive, advertises, Autonomous Driving Software Development>
+<Customer Test Drive, connectedTo, Autonomous Driving Software Development>
+<Customer Test Drive, connectedTo, Fluid Level Check>
+<Customer Test Drive, connectedTo, Oil Change>
+<Customer Test Drive, connectedTo, Vehicle Design>
+<Fluid Level Check, connectedTo, Global Supply Chain Management>
+<Fluid Level Check, connectedTo, Oil Change>
+<Global Supply Chain Management, finances, Research and Development>
+<Global Supply Chain Management, partOf, Electric Vehicle Battery Production>
+<Oil Change, connectedTo, Tire Rotation>
+<Recall Management, connectedTo, Fluid Level Check>
+<Recall Management, recalls, Customer Test Drive>
+<Recycling of Vehicle Components, complies, Autonomous Driving Software Development>
+<Recycling of Vehicle Components, partOf, Electric Vehicle Battery Production>
+<Research and Development, designs, Warranty Activation>
+<Research and Development, partOf, Electric Vehicle Battery Production>
+<Vehicle Design, connectedTo, Fluid Level Check>
+<Vehicle Design, simulates, Autonomous Driving Software Development>
+<Warranty Activation, connects, Recycling of Vehicle Components>
+<Warranty Activation, partOf, Electric Vehicle Battery Production>
diff --git a/test/mermaid/medium/mermaid_57.mmd b/test/mermaid/medium/mermaid_57.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..9ff098e31621342b74718b571be89d27cfec39e9
--- /dev/null
+++ b/test/mermaid/medium/mermaid_57.mmd
@@ -0,0 +1,64 @@
+graph BT
+    N0([start])
+    N1[Electric Vehicle Battery Production]
+    N2(Quality Assurance)
+    N3[Safety Inspection]
+    N4{Vehicle Connectivity}
+    N5{Recycling of Vehicle Components}
+    N6[Parts Distribution]
+    N7[After_sales Service]
+    N8[(Dealership Sales)]
+    N9([Diagnostic Trouble Code Reading])
+    N10[(Inventory Tracking)]
+    N11(Oil Change)
+    N12([end])
+    S0(( ))
+    subgraph Infotainment System Integration
+        nest0_0[Tire Rotation]
+        nest0_1[(Customer Relationship Management)]
+        nest0_2[(Research and Development)]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> N4
+    N4 --> |yes| N5
+    N5 --> |no| N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> |yes| N10
+    N10 -.-> N11
+    N11 -.-> |yes| N12
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    N8 -.-> nest0_0
+    nest0_2 -.-> N5
+    N9 -.-> S0
+    S0 -.-> N11
+    S0 --> N12
+    N11 --> nest0_2
+    N7 --> N10
+    style S0 fill:#D0E0F8,stroke:#4285F4
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#4285F4,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:#4285F4,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:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4CAF50,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:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#4CAF50,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#4285F4,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_57.txt b/test/mermaid/medium/mermaid_57.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b32a0b34f947507cc3286fcb7981f1d48931ff60
--- /dev/null
+++ b/test/mermaid/medium/mermaid_57.txt
@@ -0,0 +1,23 @@
+<After_sales Service, connectedTo, Dealership Sales>
+<After_sales Service, connectedTo, Inventory Tracking>
+<Customer Relationship Management, connectedTo, Research and Development>
+<Customer Relationship Management, partOf, Infotainment System Integration>
+<Dealership Sales, connectedTo, Diagnostic Trouble Code Reading>
+<Dealership Sales, connectedTo, Tire Rotation>
+<Diagnostic Trouble Code Reading, connectedTo, Oil Change>
+<Diagnostic Trouble Code Reading, connectedTo, end>
+<Diagnostic Trouble Code Reading, yes, Inventory Tracking>
+<Electric Vehicle Battery Production, connectedTo, Quality Assurance>
+<Inventory Tracking, connectedTo, Oil Change>
+<Oil Change, connectedTo, Research and Development>
+<Oil Change, yes, end>
+<Parts Distribution, connectedTo, After_sales Service>
+<Quality Assurance, connectedTo, Safety Inspection>
+<Recycling of Vehicle Components, no, Parts Distribution>
+<Research and Development, connectedTo, Recycling of Vehicle Components>
+<Research and Development, partOf, Infotainment System Integration>
+<Safety Inspection, connectedTo, Vehicle Connectivity>
+<Tire Rotation, connectedTo, Customer Relationship Management>
+<Tire Rotation, partOf, Infotainment System Integration>
+<Vehicle Connectivity, yes, Recycling of Vehicle Components>
+<start, connectedTo, Electric Vehicle Battery Production>
diff --git a/test/mermaid/medium/mermaid_59.mmd b/test/mermaid/medium/mermaid_59.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..c1e9203a6773ce61b082b7a1dedae2bbb58dcde8
--- /dev/null
+++ b/test/mermaid/medium/mermaid_59.mmd
@@ -0,0 +1,92 @@
+graph BT
+    N0([Mission Planning])
+    N1(Rocket Stage Separation)
+    N2([Data Transmission])
+    N3[Component Recovery]
+    N4(Aircraft Manufacturing)
+    N5([Payload Integration])
+    N6[Engine Overhaul]
+    N7(Structural Analysis)
+    N8[[Flight Crew Training]]
+    N9[(Spacecraft Telemetry Analysis)]
+    N10[(Launch Execution)]
+    N11[Propulsion Testing]
+    N12[(Re_entry Vehicle Design)]
+    N13([Flight Simulation])
+    S0(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Thermal Shield Testing
+        nest0_0[(Airframe Assembly)]
+        nest0_1[[Ground Station Coordination]]
+    end
+    N0 -.-> |forecasts| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 -.-> |optimizes| N4
+    N4 -.-> |communicates| N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 -.-> N9
+    N9 -.-> N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 --> N13
+    nest0_0 --> nest0_1
+    N4 --> nest0_0
+    nest0_1 --> N8
+    N8 -.-> S0
+    S0 --> |tests| N10
+    S0 -.-> N12
+    N5 --> |operates| M0
+    N6 --> M0
+    M0 --> N12
+    N2 -.-> |tracks| M1
+    N5 -.-> |repairs| M1
+    M1 --> N8
+    style N0 fill:#D7CCC8,stroke:#795548
+    style N1 fill:#D7CCC8,stroke:#795548
+    style N2 fill:#D7CCC8,stroke:#795548
+    style N3 fill:#E0F7FA,stroke:#00BCD4
+    style N4 fill:#E8EAF6,stroke:#7986CB
+    style N5 fill:#E8EAF6,stroke:#7986CB
+    style N6 fill:#D7CCC8,stroke:#795548
+    style N7 fill:#E0F7FA,stroke:#00BCD4
+    style N8 fill:#E8EAF6,stroke:#7986CB
+    style N9 fill:#D7CCC8,stroke:#795548
+    style N10 fill:#D7CCC8,stroke:#795548
+    style N11 fill:#E8EAF6,stroke:#7986CB
+    style N12 fill:#E0F7FA,stroke:#00BCD4
+    style N13 fill:#E8EAF6,stroke:#7986CB
+    style S0 fill:#D7CCC8,stroke:#795548
+    style M0 fill:#D7CCC8,stroke:#795548
+    style M1 fill:#E8EAF6,stroke:#7986CB
+    style nest0_0 fill:#D7CCC8,stroke:#795548
+    style nest0_1 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:#7986CB,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:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#795548,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:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#00BCD4,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:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#7986CB,stroke-width:2px,fill:none;
+    linkStyle 20 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 23 stroke:#795548,stroke-width:2px,fill:none;
+    linkStyle 24 stroke:#7986CB,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_62.mmd b/test/mermaid/medium/mermaid_62.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..30cecd80ec54ed2c8ca6c4e022a35ce87f0fc6a5
--- /dev/null
+++ b/test/mermaid/medium/mermaid_62.mmd
@@ -0,0 +1,74 @@
+graph TD
+    N0([Policy Cancellation])
+    N1[(Digital Policy Management)]
+    N2[[Data Security]]
+    N3(Risk Assessment)
+    N4{Payment Processing}
+    N5[Policy Renewal]
+    N6([Auto Accident Claims])
+    N7[[Market Research]]
+    N8[Reinsurance Negotiation]
+    N9(Fraud Investigation)
+    N10([end])
+    S0(( ))
+    M0(( ))
+    subgraph Catastrophe Modeling
+        nest0_0{Claim Adjustment}
+        nest0_1[[Loss Prevention]]
+    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
+    N3 -.-> nest0_0
+    nest0_1 -.-> N10
+    N6 --> S0
+    S0 --> |prevents| N10
+    S0 -.-> N8
+    N1 --> |consults| M0
+    N0 -.-> |approves| M0
+    N5 --> |optimizes| M0
+    M0 -.-> N7
+    style N0 fill:#E8F0EA,stroke:#92C79A
+    style N1 fill:#E8F0EA,stroke:#92C79A
+    style N2 fill:#E8F0EA,stroke:#92C79A
+    style N3 fill:#E8F0EA,stroke:#92C79A
+    style N4 fill:#E8F0EA,stroke:#92C79A
+    style N5 fill:#DED7F0,stroke:#A188DB
+    style N6 fill:#E8F0EA,stroke:#92C79A
+    style N7 fill:#E8F0EA,stroke:#92C79A
+    style N8 fill:#DED7F0,stroke:#A188DB
+    style N9 fill:#ECF0FD,stroke:#B8C0F5
+    style N10 fill:#DED7F0,stroke:#A188DB
+    style S0 fill:#E8F0EA,stroke:#92C79A
+    style M0 fill:#E8F0EA,stroke:#92C79A
+    style nest0_0 fill:#E8F0EA,stroke:#92C79A
+    style nest0_1 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:#92C79A,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:#A188DB,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:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#A188DB,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#B8C0F5,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#B8C0F5,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_62.txt b/test/mermaid/medium/mermaid_62.txt
new file mode 100644
index 0000000000000000000000000000000000000000..42f8fcc139d455ef1f42e24cc090ef8efa42947b
--- /dev/null
+++ b/test/mermaid/medium/mermaid_62.txt
@@ -0,0 +1,20 @@
+<Auto Accident Claims, connectedTo, Market Research>
+<Auto Accident Claims, connectedTo, Reinsurance Negotiation>
+<Auto Accident Claims, prevents, end>
+<Claim Adjustment, connectedTo, Loss Prevention>
+<Claim Adjustment, partOf, Catastrophe Modeling>
+<Data Security, connectedTo, Risk Assessment>
+<Digital Policy Management, connectedTo, Data Security>
+<Digital Policy Management, consults, Market Research>
+<Fraud Investigation, connectedTo, end>
+<Loss Prevention, connectedTo, end>
+<Loss Prevention, partOf, Catastrophe Modeling>
+<Market Research, connectedTo, Reinsurance Negotiation>
+<Payment Processing, connectedTo, Policy Renewal>
+<Policy Cancellation, approves, Market Research>
+<Policy Cancellation, connectedTo, Digital Policy Management>
+<Policy Renewal, connectedTo, Auto Accident Claims>
+<Policy Renewal, optimizes, Market Research>
+<Reinsurance Negotiation, connectedTo, Fraud Investigation>
+<Risk Assessment, connectedTo, Claim Adjustment>
+<Risk Assessment, connectedTo, Payment Processing>
diff --git a/test/mermaid/medium/mermaid_66.mmd b/test/mermaid/medium/mermaid_66.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..cf4ddf5abca32a29478b38aaceb5ea44a0234d4e
--- /dev/null
+++ b/test/mermaid/medium/mermaid_66.mmd
@@ -0,0 +1,62 @@
+graph BT
+    N0([start])
+    N1(Access Control)
+    N2([Firewall Configuration])
+    N3(Risk Management Framework)
+    N4(Security Audit)
+    N5[/Zero Trust Architecture/]
+    N6[[Disaster Recovery Planning]]
+    N7[Cloud Security]
+    N8{Threat Intelligence Gathering}
+    N9([end])
+    subgraph Digital Forensics
+        nest0_0[Physical Security Integration]
+        nest0_1([Security Operations Center Monitoring])
+    end
+    N0 --> N1
+    N1 -.-> N2
+    N2 --> |prevents| N3
+    N3 --> N4
+    N4 --> |designs| N5
+    N5 -.-> |vulnerabilities| N6
+    N6 -.-> |secures| N7
+    N7 --> N8
+    N8 -.-> N9
+    nest0_0 -.-> nest0_1
+    N5 --> |blocks| nest0_0
+    nest0_1 -.-> N5
+    N9 -.-> N5
+    N0 --> N2
+    N8 --> N5
+    N3 -.-> N7
+    N4 -.-> N2
+    style N0 fill:#EDE7F6,stroke:#7E57C2
+    style N1 fill:#F6F6F6,stroke:#CFCFCF
+    style N2 fill:#F6F6F6,stroke:#CFCFCF
+    style N3 fill:#EDE7F6,stroke:#7E57C2
+    style N4 fill:#C8EDFF,stroke:#82DAFF
+    style N5 fill:#F6F6F6,stroke:#CFCFCF
+    style N6 fill:#C8EDFF,stroke:#82DAFF
+    style N7 fill:#EDE7F6,stroke:#7E57C2
+    style N8 fill:#F6F6F6,stroke:#CFCFCF
+    style N9 fill:#C8EDFF,stroke:#82DAFF
+    style nest0_0 fill:#C8EDFF,stroke:#82DAFF
+    style nest0_1 fill:#EDE7F6,stroke:#7E57C2
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 1 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 2 stroke:#CFCFCF,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:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#7E57C2,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#CFCFCF,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#7E57C2,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:#CFCFCF,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:#000000,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_68.txt b/test/mermaid/medium/mermaid_68.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b243afca497653845ba5fe62fe6ab592f1af17df
--- /dev/null
+++ b/test/mermaid/medium/mermaid_68.txt
@@ -0,0 +1,20 @@
+<Air Quality Monitoring, connectedTo, Video Surveillance>
+<Air Quality Monitoring, partOf, Geofencing Trigger>
+<Elderly Care Monitoring, connectedTo, Personalized Comfort Settings>
+<Elderly Care Monitoring, connectedTo, Routine Scheduling>
+<Firmware Update, partOf, Geofencing Trigger>
+<Firmware Update, simplifies, Personalized Comfort Settings>
+<Guest Access Management, connectedTo, Firmware Update>
+<Guest Access Management, partOf, Geofencing Trigger>
+<Irrigation System Control, installs, end>
+<Personalized Comfort Settings, connectedTo, Air Quality Monitoring>
+<Personalized Comfort Settings, connectedTo, Security Alert>
+<Routine Scheduling, connectedTo, Irrigation System Control>
+<Security Alert, connectedTo, Routine Scheduling>
+<Security Alert, connectedTo, end>
+<Security Alert, updates, Irrigation System Control>
+<Smart Appliance Control, alerts, Elderly Care Monitoring>
+<Smart Appliance Control, interacts, Routine Scheduling>
+<Video Surveillance, connectedTo, Guest Access Management>
+<Video Surveillance, partOf, Geofencing Trigger>
+<start, connectedTo, Smart Appliance Control>
diff --git a/test/mermaid/medium/mermaid_69.txt b/test/mermaid/medium/mermaid_69.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a3b3483ef7c4b9176bfd6d83d711647100150247
--- /dev/null
+++ b/test/mermaid/medium/mermaid_69.txt
@@ -0,0 +1,26 @@
+<App Control, connectedTo, Energy Consumption Optimization>
+<App Control, partOf, Smart Mirror Functionality>
+<Curtain Automation, controls, Smoke Alarm Integration>
+<Door Lock Management, connectedTo, Power Outage Notification>
+<Door Lock Management, partOf, Smart Mirror Functionality>
+<Emergency Service Connection, connectedTo, end>
+<Energy Consumption Optimization, connectedTo, Emergency Service Connection>
+<Energy Consumption Optimization, connectedTo, end>
+<Energy Consumption Optimization, notifies, Leak Detection>
+<Energy Monitoring, connectedTo, Remote Control>
+<Garage Door Control, connectedTo, Curtain Automation>
+<Garage Door Control, connectedTo, Emergency Service Connection>
+<Geofencing Trigger, connectedTo, Energy Consumption Optimization>
+<Guest Access Management, simplifies, Emergency Service Connection>
+<Guest Access Management, warns, Routine Scheduling>
+<Irrigation System Control, connectedTo, Door Lock Management>
+<Irrigation System Control, connectedTo, Energy Monitoring>
+<Leak Detection, connectedTo, Emergency Service Connection>
+<Power Outage Notification, connectedTo, App Control>
+<Power Outage Notification, partOf, Smart Mirror Functionality>
+<Remote Control, connectedTo, Guest Access Management>
+<Routine Scheduling, connectedTo, Geofencing Trigger>
+<Routine Scheduling, cools, Emergency Service Connection>
+<Smoke Alarm Integration, connectedTo, Voice Command>
+<Thermostat Adjustment, connectedTo, Irrigation System Control>
+<Voice Command, connectedTo, Thermostat Adjustment>
diff --git a/test/mermaid/medium/mermaid_7.mmd b/test/mermaid/medium/mermaid_7.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..564835cac5f542e46d0b84468e56f58f0457465b
--- /dev/null
+++ b/test/mermaid/medium/mermaid_7.mmd
@@ -0,0 +1,56 @@
+graph BT
+    N0([start])
+    N1[Factory Layout Planning]
+    N2[Product Design]
+    N3[Bills of Material Generation]
+    N4([Workflow Optimization])
+    N5{Maintenance}
+    N6(Recycling Process)
+    N7[/Yield Optimization/]
+    N8(Production Scheduling)
+    N9([end])
+    S0(( ))
+    M0(( ))
+    subgraph Welding
+        nest0_0[[Supplier Qualification]]
+        nest0_1[(Batch Tracking)]
+    end
+    N0 -.-> |no| N1
+    N1 -.-> |no| N2
+    N2 --> N3
+    N3 -.-> N4
+    N4 --> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 --> |yes| N8
+    N8 -.-> N9
+    nest0_0 -.-> nest0_1
+    N7 -.-> |yes| nest0_0
+    nest0_1 --> N1
+    N4 -.-> S0
+    S0 -.-> |no| N7
+    S0 --> N8
+    N0 --> M0
+    N2 --> M0
+    M0 --> N4
+    style S0 fill:#E1BEE7,stroke:#9C27B0
+    style M0 fill:#E1BEE7,stroke:#9C27B0
+    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:#000000,stroke-width:2px,fill:none;
+    linkStyle 3 stroke:#9C27B0,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:#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:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FBC02D,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#9C27B0,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#4285F4,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#FBC02D,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_71.mmd b/test/mermaid/medium/mermaid_71.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..96b8e781744a2b5136a20b287b49c66ceb391191
--- /dev/null
+++ b/test/mermaid/medium/mermaid_71.mmd
@@ -0,0 +1,61 @@
+graph TD
+    N0([start])
+    N1(Smart Traffic Lights)
+    N2[(Emergency Response System)]
+    N3[[Renewable Energy Integration]]
+    N4[Smart Water Meters]
+    N5{Disaster Resilience Planning}
+    N6[[Traffic Flow Optimization]]
+    N7([end])
+    S0(( ))
+    S1(( ))
+    M0(( ))
+    subgraph Water Management System
+        nest0_0([Data Privacy Protection])
+        nest0_1[Digital Kiosk Information]
+        nest0_2(Citizen Engagement Platform)
+    end
+    N0 --> N1
+    N1 --> N2
+    N2 -.-> |no| N3
+    N3 -.-> N4
+    N4 -.-> N5
+    N5 --> |no| N6
+    N6 --> N7
+    nest0_0 -.-> |yes| nest0_1
+    nest0_1 --> |no| nest0_2
+    N5 --> nest0_0
+    nest0_2 --> N5
+    N4 --> S0
+    S0 --> N7
+    S0 -.-> N6
+    N3 -.-> S1
+    S1 -.-> N7
+    S1 -.-> |no| N5
+    N1 -.-> M0
+    N0 -.-> M0
+    M0 --> N3
+    style S0 fill:#F0F4C3,stroke:#AED581
+    style S1 fill:#FFF6D9,stroke:#FFCC7A
+    style M0 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:#FFCC7A,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:#E57373,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;
+    linkStyle 9 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFCC7A,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#E57373,stroke-width:2px,fill:none;
+    linkStyle 19 stroke:#E57373,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_71.txt b/test/mermaid/medium/mermaid_71.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b35dc5d6adaf41812c3bb4e48cefc39eda384bc4
--- /dev/null
+++ b/test/mermaid/medium/mermaid_71.txt
@@ -0,0 +1,20 @@
+<Citizen Engagement Platform, connectedTo, Disaster Resilience Planning>
+<Citizen Engagement Platform, partOf, Water Management System>
+<Data Privacy Protection, partOf, Water Management System>
+<Data Privacy Protection, yes, Digital Kiosk Information>
+<Digital Kiosk Information, no, Citizen Engagement Platform>
+<Digital Kiosk Information, partOf, Water Management System>
+<Disaster Resilience Planning, connectedTo, Data Privacy Protection>
+<Disaster Resilience Planning, no, Traffic Flow Optimization>
+<Emergency Response System, no, Renewable Energy Integration>
+<Renewable Energy Integration, connectedTo, Smart Water Meters>
+<Renewable Energy Integration, connectedTo, end>
+<Renewable Energy Integration, no, Disaster Resilience Planning>
+<Smart Traffic Lights, connectedTo, Emergency Response System>
+<Smart Traffic Lights, connectedTo, Renewable Energy Integration>
+<Smart Water Meters, connectedTo, Disaster Resilience Planning>
+<Smart Water Meters, connectedTo, Traffic Flow Optimization>
+<Smart Water Meters, connectedTo, end>
+<Traffic Flow Optimization, connectedTo, end>
+<start, connectedTo, Renewable Energy Integration>
+<start, connectedTo, Smart Traffic Lights>
diff --git a/test/mermaid/medium/mermaid_72.txt b/test/mermaid/medium/mermaid_72.txt
new file mode 100644
index 0000000000000000000000000000000000000000..335438040a2e9664be48b4a6d8fc4d57db676100
--- /dev/null
+++ b/test/mermaid/medium/mermaid_72.txt
@@ -0,0 +1,18 @@
+<Air Quality Index Reporting, connectedTo, Urban Planning Data Analysis>
+<Citizen Engagement Platform, connectedTo, Air Quality Index Reporting>
+<Citizen Engagement Platform, partOf, Data Privacy Protection>
+<Citizen Feedback Loop, connectedTo, Air Quality Index Reporting>
+<Citizen Feedback Loop, services, Public Wi_Fi Deployment>
+<Emergency Response System, connectedTo, Air Quality Index Reporting>
+<Emergency Response System, connectedTo, Urban Planning Data Analysis>
+<Emergency Response System, connectedTo, Water Management System>
+<Emergency Response System, regulates, Air Quality Index Reporting>
+<Emergency Response System, upgrades, Air Quality Index Reporting>
+<Intelligent Public Safety Cameras, connectedTo, Citizen Engagement Platform>
+<Intelligent Public Safety Cameras, partOf, Data Privacy Protection>
+<Public Wi_Fi Deployment, connectedTo, Smart Grid Security>
+<Public Wi_Fi Deployment, partOf, Data Privacy Protection>
+<Smart Grid Security, alerts, Intelligent Public Safety Cameras>
+<Smart Grid Security, partOf, Data Privacy Protection>
+<Water Management System, connectedTo, Air Quality Index Reporting>
+<Water Management System, connectedTo, Citizen Feedback Loop>
diff --git a/test/mermaid/medium/mermaid_77.mmd b/test/mermaid/medium/mermaid_77.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..14d422d6cf4109283e442b2350031c785b2746c6
--- /dev/null
+++ b/test/mermaid/medium/mermaid_77.mmd
@@ -0,0 +1,70 @@
+graph TD
+    N0([start])
+    N1[/Clinical Data Management/]
+    N2[/Drug Device Combination/]
+    N3[Drug Research]
+    N4(Solid Dosage Formulation)
+    N5[Patent Application]
+    N6(Audit Management)
+    N7[Post_Approval Commitment Tracking]
+    N8[Sterile Product Filling]
+    N9[[Post_Marketing Surveillance]]
+    N10[[Drug Repurposing]]
+    N11([end])
+    S0(( ))
+    M0(( ))
+    M1(( ))
+    subgraph Cold Chain Logistics
+        nest0_0{Counterfeit Drug Detection}
+        nest0_1[/Compound Synthesis/]
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 --> |yes| N6
+    N6 -.-> N7
+    N7 --> |no| N8
+    N8 --> |no| N9
+    N9 --> N10
+    N10 -.-> N11
+    nest0_0 --> nest0_1
+    N5 --> |yes| nest0_0
+    nest0_1 --> |yes| N3
+    N6 -.-> S0
+    S0 --> N10
+    S0 -.-> |no| N8
+    N1 --> |yes| M0
+    N4 -.-> M0
+    M0 -.-> N7
+    N7 --> M1
+    N0 -.-> M1
+    M1 -.-> N10
+    style S0 fill:#F8FDD3,stroke:#D3EB9F
+    style M0 fill:#DFE7EB,stroke:#B0C5CD
+    style M1 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:#D3EB9F,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:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#00BCD4,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#D3EB9F,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:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#B0C5CD,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:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 18 stroke:#B0C5CD,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:#B0C5CD,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#B0C5CD,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_82.txt b/test/mermaid/medium/mermaid_82.txt
new file mode 100644
index 0000000000000000000000000000000000000000..25b42aa203ba4bb9b470410ed689aee731e6149f
--- /dev/null
+++ b/test/mermaid/medium/mermaid_82.txt
@@ -0,0 +1,19 @@
+<Bridge Building, connectedTo, Site Decontamination>
+<Bridge Building, connectedTo, end>
+<Bridge Building, yes, HVAC Installation>
+<Budget Tracking, connectedTo, Excavation>
+<Budget Tracking, connectedTo, HVAC Installation>
+<Budget Tracking, partOf, Safety Inspection>
+<Change Order Management, no, Tunneling>
+<Change Order Management, partOf, Safety Inspection>
+<Equipment Mobilization, connectedTo, Budget Tracking>
+<Equipment Mobilization, connectedTo, start>
+<Equipment Mobilization, partOf, Safety Inspection>
+<Excavation, partOf, Safety Inspection>
+<Excavation, yes, Change Order Management>
+<HVAC Installation, connectedTo, end>
+<Roofing Installation, yes, Bridge Building>
+<Site Decontamination, yes, Equipment Mobilization>
+<Site Decontamination, yes, HVAC Installation>
+<Tunneling, connectedTo, Roofing Installation>
+<start, connectedTo, Tunneling>
diff --git a/test/mermaid/medium/mermaid_85.mmd b/test/mermaid/medium/mermaid_85.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..36e7a3302709f516a53a4ac25cc1e475ea73dec7
--- /dev/null
+++ b/test/mermaid/medium/mermaid_85.mmd
@@ -0,0 +1,48 @@
+graph RL
+    N0([start])
+    N1{Music Recording}
+    N2[(Radio Programming)]
+    N3([Content Licensing])
+    N4[[Social Media Management]]
+    N5(Subscription Management)
+    N6(Editing)
+    N7([end])
+    S0(( ))
+    subgraph Scriptwriting
+        nest0_0([Audience Engagement])
+        nest0_1[/Talent Management/]
+        nest0_2[[Audience Segmentation]]
+        nest0_3[[Journalism]]
+    end
+    N0 --> N1
+    N1 --> |yes| N2
+    N2 -.-> |no| N3
+    N3 --> |yes| N4
+    N4 --> N5
+    N5 -.-> |no| N6
+    N6 --> N7
+    nest0_0 -.-> nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> |no| nest0_3
+    N2 --> nest0_0
+    nest0_3 --> N4
+    N0 --> S0
+    S0 -.-> N4
+    S0 --> N3
+    style S0 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:#000000,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:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 5 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 6 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#388E3C,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#92C79A,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#BDAFA8,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#BDAFA8,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_85.txt b/test/mermaid/medium/mermaid_85.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f35af1375eb2e3fc9a80f3cad84578252f7675fc
--- /dev/null
+++ b/test/mermaid/medium/mermaid_85.txt
@@ -0,0 +1,18 @@
+<Audience Engagement, connectedTo, Talent Management>
+<Audience Engagement, partOf, Scriptwriting>
+<Audience Segmentation, no, Journalism>
+<Audience Segmentation, partOf, Scriptwriting>
+<Content Licensing, yes, Social Media Management>
+<Editing, connectedTo, end>
+<Journalism, connectedTo, Social Media Management>
+<Journalism, partOf, Scriptwriting>
+<Music Recording, yes, Radio Programming>
+<Radio Programming, connectedTo, Audience Engagement>
+<Radio Programming, no, Content Licensing>
+<Social Media Management, connectedTo, Subscription Management>
+<Subscription Management, no, Editing>
+<Talent Management, connectedTo, Audience Segmentation>
+<Talent Management, partOf, Scriptwriting>
+<start, connectedTo, Content Licensing>
+<start, connectedTo, Music Recording>
+<start, connectedTo, Social Media Management>
diff --git a/test/mermaid/medium/mermaid_87.mmd b/test/mermaid/medium/mermaid_87.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..bb0e5434cc19b94af27aaa48945be4378cf74ded
--- /dev/null
+++ b/test/mermaid/medium/mermaid_87.mmd
@@ -0,0 +1,84 @@
+graph BT
+    N0([Audience Segmentation])
+    N1(Copyright Management)
+    N2(Brand Partnerships)
+    N3([Virtual Reality Content Creation])
+    N4(Talent Management)
+    N5[/Crisis Communication/]
+    N6[Digital Marketing]
+    N7(Advertising Sales)
+    N8[Cross_Platform Syndication]
+    N9([Content Licensing])
+    N10(Analytics Reporting)
+    N11[Music Recording]
+    N12[(Content Moderation)]
+    N13([end])
+    S0(( ))
+    M0(( ))
+    subgraph Visual Effects
+        nest0_0[/Editing/]
+        nest0_1([Scriptwriting])
+    end
+    N0 -.-> |collects| N1
+    N1 --> N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 --> |innovates| N5
+    N5 --> N6
+    N6 --> N7
+    N7 --> N8
+    N8 --> N9
+    N9 --> N10
+    N10 --> |writes| N11
+    N11 --> |records| N12
+    N12 --> |advertises| N13
+    nest0_0 --> nest0_1
+    N5 --> |photographs| nest0_0
+    nest0_1 -.-> N8
+    N2 -.-> S0
+    S0 -.-> N12
+    S0 -.-> |monetizes| N7
+    N0 -.-> M0
+    N2 -.-> M0
+    M0 --> N11
+    style N0 fill:#F8FDD3,stroke:#D3EB9F
+    style N1 fill:#C9F0F0,stroke:#4DD0E1
+    style N2 fill:#C9F0F0,stroke:#4DD0E1
+    style N3 fill:#F8FDD3,stroke:#D3EB9F
+    style N4 fill:#F8FDD3,stroke:#D3EB9F
+    style N5 fill:#FFDAB9,stroke:#FFC085
+    style N6 fill:#FFDAB9,stroke:#FFC085
+    style N7 fill:#C9F0F0,stroke:#4DD0E1
+    style N8 fill:#C9F0F0,stroke:#4DD0E1
+    style N9 fill:#C9F0F0,stroke:#4DD0E1
+    style N10 fill:#F8FDD3,stroke:#D3EB9F
+    style N11 fill:#F8FDD3,stroke:#D3EB9F
+    style N12 fill:#FFDAB9,stroke:#FFC085
+    style N13 fill:#C9F0F0,stroke:#4DD0E1
+    style S0 fill:#C9F0F0,stroke:#4DD0E1
+    style M0 fill:#C9F0F0,stroke:#4DD0E1
+    style nest0_0 fill:#FFDAB9,stroke:#FFC085
+    style nest0_1 fill:#C9F0F0,stroke:#4DD0E1
+    classDef handwritten font-family:Comic Sans MS,font-size:14px,color:#2b2b2b;
+    linkStyle 0 stroke:#4DD0E1,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:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 4 stroke:#4DD0E1,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:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 8 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#D3EB9F,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#000000,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:#4DD0E1,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#D3EB9F,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:#FFC085,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#4DD0E1,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_88.mmd b/test/mermaid/medium/mermaid_88.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..f4d046fc994be767e9a598452669772f682149f1
--- /dev/null
+++ b/test/mermaid/medium/mermaid_88.mmd
@@ -0,0 +1,71 @@
+graph TD
+    N0([start])
+    N1[[Restaurant Management]]
+    N2(New Product Launch)
+    N3[[Distribution]]
+    N4[Dietary Requirement Accommodation]
+    N5{Ingredient Sourcing}
+    N6(Menu Planning)
+    N7([Inventory Management])
+    N8[Packaging]
+    N9([Cuisine Innovation])
+    N10(Nutrition Analysis)
+    N11[[Restaurant Reservation System]]
+    N12[Food Waste Management System]
+    N13([end])
+    S0(( ))
+    M0(( ))
+    subgraph Beverage Production
+        nest0_0{Sensory Evaluation}
+        nest0_1([Food Packaging Design])
+        nest0_2(Ingredient Traceability)
+    end
+    N0 -.-> N1
+    N1 --> N2
+    N2 --> N3
+    N3 -.-> |no| N4
+    N4 -.-> N5
+    N5 -.-> |no| N6
+    N6 --> N7
+    N7 -.-> N8
+    N8 -.-> N9
+    N9 -.-> |no| N10
+    N10 -.-> N11
+    N11 --> N12
+    N12 -.-> N13
+    nest0_0 --> nest0_1
+    nest0_1 -.-> nest0_2
+    N9 --> |yes| nest0_0
+    nest0_2 -.-> N5
+    N5 -.-> S0
+    S0 --> |yes| N11
+    S0 -.-> |no| N10
+    N1 --> M0
+    N0 --> M0
+    M0 --> N3
+    style S0 fill:#FFE88D,stroke:#FFDA4E
+    style M0 fill:#FFE88D,stroke:#FFDA4E
+    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:#BCB88A,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:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 7 stroke:#000000,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:#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:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 17 stroke:#BCB88A,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:#607D8B,stroke-width:2px,fill:none;
+    linkStyle 21 stroke:#FFDA4E,stroke-width:2px,fill:none;
+    linkStyle 22 stroke:#FFDA4E,stroke-width:2px,fill:none;
\ No newline at end of file
diff --git a/test/mermaid/medium/mermaid_90.mmd b/test/mermaid/medium/mermaid_90.mmd
new file mode 100644
index 0000000000000000000000000000000000000000..cdaddf10e857240ed26e323d59006faf8f94781d
--- /dev/null
+++ b/test/mermaid/medium/mermaid_90.mmd
@@ -0,0 +1,72 @@
+graph RL
+    N0([Supply Chain Traceability])
+    N1[/New Product Launch/]
+    N2[/Packaging/]
+    N3[Restaurant Management]
+    N4[Waste Reduction]
+    N5[[Supplier Management]]
+    N6[Storage Solutions]
+    N7(Baking)
+    N8([Ingredient Traceability])
+    S0(( ))
+    M0(( ))
+    subgraph Food Safety Inspection
+        nest0_0[Branding and Marketing]
+        nest0_1[(Food Processing Automation)]
+        nest0_2(Ingredient Sourcing)
+        nest0_3[(Catering Operations)]
+    end
+    N0 -.-> N1
+    N1 -.-> |promotes| N2
+    N2 -.-> N3
+    N3 --> N4
+    N4 -.-> N5
+    N5 -.-> N6
+    N6 --> N7
+    N7 -.-> N8
+    nest0_0 --> |freezes| nest0_1
+    nest0_1 -.-> nest0_2
+    nest0_2 -.-> nest0_3
+    N1 -.-> |regulates| nest0_0
+    nest0_3 -.-> N2
+    N3 --> S0
+    S0 -.-> |ingredients| N5
+    S0 -.-> N8
+    N4 -.-> |harvests| M0
+    N0 -.-> M0
+    M0 -.-> N8
+    style N0 fill:#FFEBEB,stroke:#FFC2C2
+    style N1 fill:#FFEBEB,stroke:#FFC2C2
+    style N2 fill:#FFFDE7,stroke:#FFF176
+    style N3 fill:#FFEBEB,stroke:#FFC2C2
+    style N4 fill:#FFEBEB,stroke:#FFC2C2
+    style N5 fill:#FFFDE0,stroke:#FFF8A6
+    style N6 fill:#FFFDE7,stroke:#FFF176
+    style N7 fill:#FFEBEB,stroke:#FFC2C2
+    style N8 fill:#FFFDE7,stroke:#FFF176
+    style S0 fill:#FFFDE7,stroke:#FFF176
+    style M0 fill:#FFFDE0,stroke:#FFF8A6
+    style nest0_0 fill:#FFFDE7,stroke:#FFF176
+    style nest0_1 fill:#FFEBEB,stroke:#FFC2C2
+    style nest0_2 fill:#FFEBEB,stroke:#FFC2C2
+    style nest0_3 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:#FFC2C2,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:#FFF8A6,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:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 9 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 10 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 11 stroke:#000000,stroke-width:2px,fill:none;
+    linkStyle 12 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 13 stroke:#FFF176,stroke-width:2px,fill:none;
+    linkStyle 14 stroke:#FFC2C2,stroke-width:2px,fill:none;
+    linkStyle 15 stroke:#FFF8A6,stroke-width:2px,fill:none;
+    linkStyle 16 stroke:#FFC2C2,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/medium/mermaid_90.txt b/test/mermaid/medium/mermaid_90.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2603f357e75290a732fbc5983abc459fcfb11ea9
--- /dev/null
+++ b/test/mermaid/medium/mermaid_90.txt
@@ -0,0 +1,21 @@
+<Baking, connectedTo, Ingredient Traceability>
+<Branding and Marketing, freezes, Food Processing Automation>
+<Branding and Marketing, partOf, Food Safety Inspection>
+<Catering Operations, connectedTo, Packaging>
+<Catering Operations, partOf, Food Safety Inspection>
+<Food Processing Automation, connectedTo, Ingredient Sourcing>
+<Food Processing Automation, partOf, Food Safety Inspection>
+<Ingredient Sourcing, connectedTo, Catering Operations>
+<Ingredient Sourcing, partOf, Food Safety Inspection>
+<New Product Launch, promotes, Packaging>
+<New Product Launch, regulates, Branding and Marketing>
+<Packaging, connectedTo, Restaurant Management>
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