diff --git a/test/diagrams/graph_easy/diagrams_103.dot b/test/diagrams/graph_easy/diagrams_103.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4d91d2825088b45f84f6a2806a2ea4441dff3392
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_103.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=LR
+	N0 [label="Proactive Communication" color="#AABEC6" fillcolor="#E0E6E9" shape=vnode_shape style=filled]
+	N1 [label="Email Support" color="#FFD54F" fillcolor="#FFF8E1" shape=hexagon style=filled]
+	N2 [label="Social Media Response" color="#AABEC6" fillcolor="#E0E6E9" shape=vnode_shape style=filled]
+	N3 [label="Live Chat Support" color="#AABEC6" fillcolor="#E0E6E9" shape=ellipse style=filled]
+	N4 [label="Technical Support" color="#AABEC6" fillcolor="#E0E6E9" shape=diamond style=filled]
+	N5 [label="First Contact Resolution Optimization" color="#AABEC6" fillcolor="#E0E6E9" shape=ellipse style=filled]
+	N6 [label="Sentiment Analysis" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	N7 [label="Personalized Assistance" color="#7986CB" fillcolor="#E8EAF6" shape=vnode_shape style=filled]
+	N8 [label="Cross_selling Opportunities" color="#FFD54F" fillcolor="#FFF8E1" shape=preparation style=filled]
+	N9 [label="Customer Loyalty Program Support" color="#7986CB" fillcolor="#E8EAF6" shape=inputoutput style=filled]
+	N10 [label="Accessibility Support" color="#7986CB" fillcolor="#E8EAF6" shape=rect style=filled]
+	N0 -> N1 [color="#AABEC6" penwidth=1.5 style=dashed label="refunds" dir=forward]
+	N1 -> N2 [color="#AABEC6" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFD54F" penwidth=1.5 style=dashed label="surveys" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="troubleshoots" dir=forward]
+	N6 -> N7 [color="#AABEC6" penwidth=1.5 style=dashed label="improves" dir=forward]
+	N7 -> N8 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#AABEC6" penwidth=1.5 style=solid label="feedback" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N8 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_108.txt b/test/diagrams/graph_easy/diagrams_108.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f581460da5c888d63d26ee344490617b9e9e2968
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_108.txt
@@ -0,0 +1,12 @@
+<Collaborative Planning, complies, Hazardous Materials Handling>
+<Contract Manufacturing Oversight, analyzes, Inventory Management>
+<Demand Planning, forecasts, Contract Manufacturing Oversight>
+<Distribution Network Design, connectedTo, Demand Planning>
+<Freight Auditing, regulates, Distribution Network Design>
+<Intermodal Transportation, connectedTo, Distribution Network Design>
+<Intermodal Transportation, licenses, Freight Auditing>
+<Intermodal Transportation, simulates, Production Planning>
+<Inventory Management, connectedTo, Production Planning>
+<Production Planning, connectedTo, Collaborative Planning>
+<Quality Control in Supply Chain, tracks, Supplier Selection>
+<Supplier Selection, connectedTo, Intermodal Transportation>
diff --git a/test/diagrams/graph_easy/diagrams_109.dot b/test/diagrams/graph_easy/diagrams_109.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fb5744a8f2797f56dc0bbec1e2b7b1e8d087e757
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_109.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=RL
+	N0 [label="Geological Survey" color="#FFDA4E" fillcolor="#FFE88D" shape=preparation style=filled]
+	N1 [label="Emergency Response Planning" color="#FFDA4E" fillcolor="#FFE88D" shape=box style=filled]
+	N2 [label="Ventilation System" color="#A2D0FF" fillcolor="#E8F0FF" shape=action style=filled]
+	N3 [label="Safety Management" color="#A2D0FF" fillcolor="#E8F0FF" shape=vnode_shape style=filled]
+	N4 [label="Mine Closure Planning" color="#A2D0FF" fillcolor="#E8F0FF" shape=parallelogram style=filled]
+	N5 [label="Refining" color="#FFDA4E" fillcolor="#FFE88D" shape=parallelogram style=filled]
+	N6 [label="Crushing and Grinding" color="#6EB76D" fillcolor="#E9F7E8" shape=action style=filled]
+	N7 [label="Energy Management" color="#A2D0FF" fillcolor="#E8F0FF" shape=document style=filled]
+	N8 [label="Exploration Drilling" color="#A2D0FF" fillcolor="#E8F0FF" shape=hexagon style=filled]
+	N0 -> N1 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="complies" dir=forward]
+	N2 -> N3 [color="#FFDA4E" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N3 -> N4 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="tests" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="drills" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#6EB76D" penwidth=1.5 style=solid label="funds" dir=forward]
+	N6 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N0 -> N6 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_110.txt b/test/diagrams/graph_easy/diagrams_110.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a1418f6313e9ff5c06c55964e6b75e8e79f9e59c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_110.txt
@@ -0,0 +1,11 @@
+<Asset Management, connectedTo, Autonomous Haulage Systems>
+<Autonomous Haulage Systems, connectedTo, Geotechnical Stability Analysis>
+<Environmental Impact Assessment, connectedTo, Asset Management>
+<Exploration, connectedTo, Geotechnical Stability Analysis>
+<Feasibility Study, complies, Exploration>
+<Geotechnical Stability Analysis, develops, Robotics in Mining>
+<Permit Acquisition, automates, Feasibility Study>
+<Permit Acquisition, plans, Waste Rock Management>
+<Product Marketing, connectedTo, Environmental Impact Assessment>
+<Robotics in Mining, connectedTo, Waste Rock Management>
+<Waste Rock Management, operates, Product Marketing>
diff --git a/test/diagrams/graph_easy/diagrams_111.dot b/test/diagrams/graph_easy/diagrams_111.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bab28ab0e6e5539909d8fd6f566638c8572fce94
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_111.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=TB
+	N0 [label="Emergency Response Planning" color="#7E57C2" fillcolor="#EDE7F6" shape=rect style=filled]
+	N1 [label="Geotechnical Stability Analysis" color="#4DD0E1" fillcolor="#C9F0F0" shape=vnode_shape style=filled]
+	N2 [label="Noise Management" color="#7E57C2" fillcolor="#EDE7F6" shape=parallelogram style=filled]
+	N3 [label="Safety Management" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	N4 [label="Equipment Maintenance" color="#FFF8A6" fillcolor="#FFFDE0" shape=action style=filled]
+	N5 [label="Core Logging" color="#4DD0E1" fillcolor="#C9F0F0" shape=rectangle style=filled]
+	N6 [label="Mine Closure Planning" color="#7E57C2" fillcolor="#EDE7F6" shape=predefinedprocess style=filled]
+	N7 [label="Community Relations" color="#7E57C2" fillcolor="#EDE7F6" shape=action style=filled]
+	N8 [label="Water Management" color="#FFF8A6" fillcolor="#FFFDE0" shape=preparation style=filled]
+	N0 -> N1 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="extracts" dir=forward]
+	N2 -> N3 [color="#FFF8A6" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFF8A6" penwidth=1.5 style=dashed label="crushes" dir=forward]
+	N5 -> N6 [color="#FFF8A6" penwidth=1.5 style=solid label="designs" dir=forward]
+	N6 -> N7 [color="#FFF8A6" penwidth=1.5 style=dashed label="prices" dir=forward]
+	N7 -> N8 [color="#7E57C2" penwidth=1.5 style=solid label="audits" dir=forward]
+	N1 -> N5 [color="#000000" penwidth=1.5 style=solid label="repairs" dir=forward]
+	N7 -> N2 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_112.txt b/test/diagrams/graph_easy/diagrams_112.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4326ef8d46490d8c67db60d46e2fc20e859dc99b
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_112.txt
@@ -0,0 +1,11 @@
+<Ballast Water Management, connectedTo, Port Congestion Management>
+<Ballast Water Management, connectedTo, Shipbuilding>
+<Bunkering, repairs, Port Congestion Management>
+<Container Tracking, connectedTo, Vessel Chartering>
+<Hydrographic Surveying, simulates, Container Tracking>
+<Maritime Law Compliance, loads, Voyage Optimization>
+<Port Congestion Management, connectedTo, Cargo Loading>
+<Shipbuilding, maintains, Vessel Chartering>
+<Shipbuilding, optimizes, Maritime Law Compliance>
+<Vessel Chartering, connectedTo, Ballast Water Management>
+<Voyage Optimization, connectedTo, Bunkering>
diff --git a/test/diagrams/graph_easy/diagrams_113.txt b/test/diagrams/graph_easy/diagrams_113.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4b804b368687addc5de9e4f5b20b79bcaeaabee0
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_113.txt
@@ -0,0 +1,8 @@
+<Ballast Water Management, salvages, Marine Safety Inspection>
+<Fleet Management, connectedTo, Ballast Water Management>
+<Marine Research, unloads, Port Operations>
+<Marine Safety Inspection, connectedTo, Vessel Maintenance>
+<Maritime Security, regulates, Subsea Cable Laying>
+<Port Operations, connectedTo, Maritime Security>
+<Subsea Cable Laying, inspects, Fleet Management>
+<Subsea Cable Laying, monitors, Maritime Security>
diff --git a/test/diagrams/graph_easy/diagrams_123.dot b/test/diagrams/graph_easy/diagrams_123.dot
new file mode 100644
index 0000000000000000000000000000000000000000..948c44ccad92642cfae9791e2e7daef0f0b463ab
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_123.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=BT
+	N0 [label="Radar Imaging" color="#FFE470" fillcolor="#FFFAE0" shape=action style=filled]
+	N1 [label="Lightning Detection" color="#A1D7CD" fillcolor="#EDF5F3" shape=parallelogram style=filled]
+	N2 [label="Storm Tracking" color="#A1D7CD" fillcolor="#EDF5F3" shape=document style=filled]
+	N3 [label="Pollution Dispersion Modeling" color="#FFB74D" fillcolor="#FFF3E0" shape=preparation style=filled]
+	N4 [label="Agricultural Weather Advisory" color="#FFE470" fillcolor="#FFFAE0" shape=hexagon style=filled]
+	N5 [label="Humidity Sensing" color="#FFB74D" fillcolor="#FFF3E0" shape=parallelogram style=filled]
+	N6 [label="Wind Speed and Direction" color="#FFB74D" fillcolor="#FFF3E0" shape=document style=filled]
+	N7 [label="Precipitation Measurement" color="#FFB74D" fillcolor="#FFF3E0" shape=inputoutput style=filled]
+	N8 [label="Atmospheric Sounding" color="#FFE470" fillcolor="#FFFAE0" shape=document style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="transmits" dir=forward]
+	N1 -> N2 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="generates" dir=forward]
+	N3 -> N4 [color="#FFE470" penwidth=1.5 style=dashed label="advises" dir=forward]
+	N4 -> N5 [color="#A1D7CD" penwidth=1.5 style=solid label="studies" dir=forward]
+	N5 -> N6 [color="#FFB74D" penwidth=1.5 style=solid label="visualizes" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	N4 -> N7 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N0 -> N4 [color="#FFB74D" penwidth=1.5 style=dashed label="calibrates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_124.txt b/test/diagrams/graph_easy/diagrams_124.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8da4f238d81611da7b2a42ccdb8da25f00c42940
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_124.txt
@@ -0,0 +1,12 @@
+<Anaerobic Digestion, treats, Waste Collection>
+<Extended Producer Responsibility, enforces, Paper Recycling>
+<Illegal Dumping Monitoring, connectedTo, Paper Recycling>
+<Illegal Dumping Monitoring, develops, Extended Producer Responsibility>
+<Industrial Waste Management, converts, Waste Audit>
+<Paper Recycling, connectedTo, Industrial Waste Management>
+<Public Education on Waste, composts, Hazardous Waste Disposal>
+<Waste Audit, disposes, Waste Compaction>
+<Waste Collection, connectedTo, Public Education on Waste>
+<Waste Compaction, connectedTo, Anaerobic Digestion>
+<Waste Management Policy Development, reports, Illegal Dumping Monitoring>
+<Waste_to_Energy Conversion, reduces, Waste Management Policy Development>
diff --git a/test/diagrams/graph_easy/diagrams_13.txt b/test/diagrams/graph_easy/diagrams_13.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d58870829449bc3bfda6410a6b229ac7f76a4997
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_13.txt
@@ -0,0 +1,9 @@
+<Add to Cart, connectedTo, Product Listing>
+<Live Chat Support, lists, Product Listing>
+<Live Chat Support, optimizes, Social Media Integration>
+<Mobile App Interaction, connectedTo, Up_selling Offer>
+<Payment, connectedTo, Product Listing>
+<Product Listing, connectedTo, Mobile App Interaction>
+<Social Media Integration, delivers, Add to Cart>
+<Up_selling Offer, inventories, User Account Management>
+<User Account Management, connectedTo, Live Chat Support>
diff --git a/test/diagrams/graph_easy/diagrams_130.dot b/test/diagrams/graph_easy/diagrams_130.dot
new file mode 100644
index 0000000000000000000000000000000000000000..99cf4c4976c975877bf32cc21265f349d30e2abe
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_130.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=LR
+	N0 [label="Public Recycling Programs" color="#80DDEA" fillcolor="#D3F7F9" shape=diamond style=filled]
+	N1 [label="Electronic Waste Recycling" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N2 [label="Mechanical Recycling" color="#80DDEA" fillcolor="#D3F7F9" shape=inputoutput style=filled]
+	N3 [label="Sorting and Segregation" color="#94C0C0" fillcolor="#CADEDE" shape=parallelogram style=filled]
+	N4 [label="Energy Recovery from Non_Recyclables" color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N5 [label="Product Design for Recyclability" color="#94C0C0" fillcolor="#CADEDE" shape=inputoutput style=filled]
+	N6 [label="End_of_Life Product Management" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
+	N7 [label="Textile Recycling" color="#80DDEA" fillcolor="#D3F7F9" shape=ellipse style=filled]
+	N0 -> N1 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#94C0C0" penwidth=1.5 style=solid label="shreds" dir=forward]
+	N2 -> N3 [color="#94C0C0" penwidth=1.5 style=dashed label="reuses" dir=forward]
+	N3 -> N4 [color="#80DDEA" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#E91E63" penwidth=1.5 style=solid label="optimizes" dir=forward]
+	N6 -> N7 [color="#80DDEA" penwidth=1.5 style=dashed label="measures" dir=forward]
+	N3 -> N1 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N2 [color="#94C0C0" penwidth=1.5 style=solid label="treats" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_132.txt b/test/diagrams/graph_easy/diagrams_132.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cb5728d59da4cea6dae6664f0fc3a1c1f7895be5
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_132.txt
@@ -0,0 +1,8 @@
+<Commercial Recycling Solutions, optimizes, Material Collection>
+<Composting Organic Waste, educates, Contamination Reduction>
+<Contamination Reduction, treats, Metal Recycling>
+<Metal Recycling, connectedTo, Material Collection>
+<Metal Recycling, connectedTo, Tyre Recycling>
+<Reprocessing into Raw Material, grades, Textile Recycling>
+<Textile Recycling, connectedTo, Composting Organic Waste>
+<Tyre Recycling, sorts, Commercial Recycling Solutions>
diff --git a/test/diagrams/graph_easy/diagrams_141.txt b/test/diagrams/graph_easy/diagrams_141.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ecdc45a7fb3f9a24f2ea165ba77e3c6cc93a74a3
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_141.txt
@@ -0,0 +1,9 @@
+<Behavior Management, nurtures, Emergency Evacuation Drills>
+<Behavior Management, transports, Potty Training Assistance>
+<Curriculum Planning, engages, Toddler Activities>
+<Emergency Evacuation Drills, educates, Curriculum Planning>
+<Motor Skill Development, observes, Emergency Evacuation Drills>
+<Playground Safety Inspection, connectedTo, Motor Skill Development>
+<Playground Safety Inspection, manages, Emergency Evacuation Drills>
+<Potty Training Assistance, connectedTo, Playground Safety Inspection>
+<Toddler Activities, connectedTo, Outdoor Play Supervision>
diff --git a/test/diagrams/graph_easy/diagrams_143.dot b/test/diagrams/graph_easy/diagrams_143.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0c99b95d10ed73030f434b70cbf5dc8bf098d895
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_143.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Speech Therapy" color="#FBC02D" fillcolor="#FFFDE7" shape=preparation style=filled]
+	N1 [label="Emotional Support and Counseling" color="#6EB76D" fillcolor="#E9F7E8" shape=document style=filled]
+	N2 [label="Long_Term Care Planning" color="#5C6BC0" fillcolor="#E8EAF6" shape=vnode_shape style=filled]
+	N3 [label="Community Resource Connection" color="#5C6BC0" fillcolor="#E8EAF6" shape=action style=filled]
+	N4 [label="Emergency Response System Monitoring" color="#FBC02D" fillcolor="#FFFDE7" shape=document style=filled]
+	N5 [label="Meal Preparation" color="#5C6BC0" fillcolor="#E8EAF6" shape=predefinedprocess style=filled]
+	N6 [label="Chronic Disease Management" color="#FBC02D" fillcolor="#FFFDE7" shape=document style=filled]
+	N7 [label="Respite Care" color="#FBC02D" fillcolor="#FFFDE7" shape=hexagon style=filled]
+	N8 [label="Family Communication" color="#FBC02D" fillcolor="#FFFDE7" shape=inputoutput style=filled]
+	N9 [label="Palliative Care" color="#6EB76D" fillcolor="#E9F7E8" shape=vnode_shape style=filled]
+	N10 [label="Nutritional Assessment" color="#FBC02D" fillcolor="#FFFDE7" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#5C6BC0" penwidth=1.5 style=dashed label="transports" dir=forward]
+	N1 -> N2 [color="#FBC02D" penwidth=1.5 style=solid label="facilitates" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#6EB76D" penwidth=1.5 style=dashed label="advises" dir=forward]
+	N4 -> N5 [color="#FBC02D" penwidth=1.5 style=solid label="oversees" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FBC02D" penwidth=1.5 style=solid label="plans" dir=forward]
+	N7 -> N8 [color="#FBC02D" penwidth=1.5 style=solid label="coordinates" dir=forward]
+	N8 -> N9 [color="#5C6BC0" penwidth=1.5 style=dashed label="communicates" dir=forward]
+	N9 -> N10 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N10 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N8 [color="#5C6BC0" penwidth=1.5 style=dashed label="dresses" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_144.txt b/test/diagrams/graph_easy/diagrams_144.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a7a22d906d2ba0018f49c370991646339feea03a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_144.txt
@@ -0,0 +1,10 @@
+<Caregiver Training, connectedTo, Memory Care>
+<Caregiver Training, dresses, Emergency Response System Monitoring>
+<Emergency Response System Monitoring, monitors, Caregiver Training>
+<Hospice Care Coordination, connectedTo, Emergency Response System Monitoring>
+<Incontinence Care, rehabilitates, Smart Home Integration for Seniors>
+<Memory Care, counsels, Caregiver Training>
+<Memory Care, secures, Palliative Care>
+<Palliative Care, connectedTo, Personal Care Assistance>
+<Personal Care Assistance, supervises, Incontinence Care>
+<Telehealth for Seniors, connectedTo, Hospice Care Coordination>
diff --git a/test/diagrams/graph_easy/diagrams_145.txt b/test/diagrams/graph_easy/diagrams_145.txt
new file mode 100644
index 0000000000000000000000000000000000000000..52ae57ba57ba06146d2792977a186d1b5b4754f1
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_145.txt
@@ -0,0 +1,9 @@
+<Capacity Building for Local Communities, locates, Search and Rescue Operations>
+<Capacity Building for Local Communities, mobilizes, Vulnerability Analysis>
+<Cash Transfer Programs, donates, Damage Assessment>
+<Cash Transfer Programs, warns, International Aid Coordination>
+<Damage Assessment, connectedTo, Capacity Building for Local Communities>
+<International Aid Coordination, connectedTo, Mitigation Strategies>
+<Mitigation Strategies, audits, Search and Rescue Operations>
+<Resilience Building, monitors, International Aid Coordination>
+<Vulnerability Analysis, connectedTo, Resilience Building>
diff --git a/test/diagrams/graph_easy/diagrams_148.dot b/test/diagrams/graph_easy/diagrams_148.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9ecdd660444832f191e7c44e0dca93d470c9badb
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_148.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=LR
+	N0 [label="Basic Training" color="#F44336" fillcolor="#FFCDD2" shape=parallelogram style=filled]
+	N1 [label="Personnel Management" color="#4DB6AC" fillcolor="#E0F2F1" shape=parallelogram style=filled]
+	N2 [label="Military Strategy Development" color="#BDAFA8" fillcolor="#E4E0DF" shape=hexagon style=filled]
+	N3 [label="Naval Operations" color="#F44336" fillcolor="#FFCDD2" shape=preparation style=filled]
+	N4 [label="Space Operations" color="#F44336" fillcolor="#FFCDD2" shape=predefinedprocess style=filled]
+	N5 [label="Counter_Insurgency Operations" color="#BDAFA8" fillcolor="#E4E0DF" shape=parallelogram style=filled]
+	N6 [label="Troop Deployment" color="#F44336" fillcolor="#FFCDD2" shape=vnode_shape style=filled]
+	N7 [label="Family Support Programs" color="#4DB6AC" fillcolor="#E0F2F1" shape=preparation style=filled]
+	N8 [label="Military Law" color="#F44336" fillcolor="#FFCDD2" shape=rect style=filled]
+	N9 [label="Demobilization" color="#BDAFA8" fillcolor="#E4E0DF" shape=hexagon style=filled]
+	N10 [label="Disaster Relief Deployment" color="#BDAFA8" fillcolor="#E4E0DF" shape=parallelogram style=filled]
+	N11 [label="Crisis Management" color="#F44336" fillcolor="#FFCDD2" shape=diamond style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#F44336" penwidth=1.5 style=dashed label="develops" dir=forward]
+	N2 -> N3 [color="#F44336" penwidth=1.5 style=solid label="patrols" dir=forward]
+	N3 -> N4 [color="#BDAFA8" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#BDAFA8" penwidth=1.5 style=dashed label="reports" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N7 -> N8 [color="#BDAFA8" penwidth=1.5 style=solid label="plans" dir=forward]
+	N8 -> N9 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#BDAFA8" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=solid label="researches" dir=forward]
+	N8 -> N4 [color="#BDAFA8" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_148.txt b/test/diagrams/graph_easy/diagrams_148.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0b0b563e255e29dc3d6c05c35f98340e3baaa05c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_148.txt
@@ -0,0 +1,12 @@
+<Basic Training, connectedTo, Personnel Management>
+<Counter_Insurgency Operations, connectedTo, Troop Deployment>
+<Demobilization, connectedTo, Disaster Relief Deployment>
+<Disaster Relief Deployment, researches, Crisis Management>
+<Family Support Programs, plans, Military Law>
+<Military Law, connectedTo, Demobilization>
+<Military Law, connectedTo, Space Operations>
+<Military Strategy Development, patrols, Naval Operations>
+<Naval Operations, connectedTo, Space Operations>
+<Personnel Management, develops, Military Strategy Development>
+<Space Operations, reports, Counter_Insurgency Operations>
+<Troop Deployment, analyzes, Family Support Programs>
diff --git a/test/diagrams/graph_easy/diagrams_151.txt b/test/diagrams/graph_easy/diagrams_151.txt
new file mode 100644
index 0000000000000000000000000000000000000000..032e4556efefcbdc4aa9b8b1eaeaa60af3c1ab3f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_151.txt
@@ -0,0 +1,10 @@
+<Air Cargo Logistics, fuels, Runway Management>
+<Airport Operations, checks, Airworthiness Certification>
+<Airport Operations, connectedTo, Remote Tower Operations>
+<Aviation Safety Investigation, manufactures, Avionics Repair>
+<Avionics Repair, connectedTo, Baggage Handling>
+<Baggage Handling, connectedTo, Remote Tower Operations>
+<Delay Management, manages, Air Cargo Logistics>
+<Remote Tower Operations, connectedTo, Airport Operations>
+<Runway Management, alerts, Aviation Safety Investigation>
+<Runway Management, integrates, Remote Tower Operations>
diff --git a/test/diagrams/graph_easy/diagrams_153.dot b/test/diagrams/graph_easy/diagrams_153.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bf397af4e00c07339083d02032bc57f4f376e2da
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_153.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=RL
+	N0 [label="Airspace Management" color="#A1D7CD" fillcolor="#EDF5F3" shape=vnode_shape style=filled]
+	N1 [label="Aviation Safety Investigation" color="#D2D2D2" fillcolor="#F0F0F0" shape=inputoutput style=filled]
+	N2 [label="Gate Assignment" color="#A1D7CD" fillcolor="#EDF5F3" shape=rectangle style=filled]
+	N3 [label="Flight Simulation" color="#FFC107" fillcolor="#FFECB3" shape=predefinedprocess style=filled]
+	N4 [label="Cargo Loading" color="#FFC107" fillcolor="#FFECB3" shape=rectangle style=filled]
+	N5 [label="Crew Scheduling" color="#FFC107" fillcolor="#FFECB3" shape=preparation style=filled]
+	N6 [label="Airport Security Management" color="#FFC107" fillcolor="#FFECB3" shape=vnode_shape style=filled]
+	N7 [label="Flight Planning" color="#D2D2D2" fillcolor="#F0F0F0" shape=rectangle style=filled]
+	N8 [label="Aircraft Manufacturing" color="#D2D2D2" fillcolor="#F0F0F0" shape=preparation style=filled]
+	N9 [label="Air Traffic Control" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N0 -> N1 [color="#A1D7CD" penwidth=1.5 style=dashed label="schedules" dir=forward]
+	N1 -> N2 [color="#D2D2D2" penwidth=1.5 style=dashed label="controls" dir=forward]
+	N2 -> N3 [color="#FFC107" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="flies" dir=forward]
+	N5 -> N6 [color="#D2D2D2" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#D2D2D2" penwidth=1.5 style=dashed label="de_ices" dir=forward]
+	N7 -> N8 [color="#FFC107" penwidth=1.5 style=solid label="routes" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="repairs" dir=forward]
+	N4 -> N3 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+	N0 -> N9 [color="#A1D7CD" penwidth=1.5 style=solid label="audits" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_154.dot b/test/diagrams/graph_easy/diagrams_154.dot
new file mode 100644
index 0000000000000000000000000000000000000000..54346dbb56ddb0e5997b0c053f5c5792e88be0d2
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_154.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=BT
+	N0 [label="Aeronautical Charting" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+	N1 [label="Dead Reckoning" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N2 [label="Geocoding" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N3 [label="GPS Positioning" color="#9FA9E1" fillcolor="#D6D9F0" shape=action style=filled]
+	N4 [label="Digital Compass Integration" color="#9FA9E1" fillcolor="#D6D9F0" shape=diamond style=filled]
+	N5 [label="Indoor Navigation" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N6 [label="Points of Interest Search" color="#9FA9E1" fillcolor="#D6D9F0" shape=multipledocuments style=filled]
+	N7 [label="Voice Guidance Customization" color="#D2D2D2" fillcolor="#F0F0F0" shape=hexagon style=filled]
+	N8 [label="Terrestrial Navigation" color="#9FA9E1" fillcolor="#D6D9F0" shape=ellipse style=filled]
+	N9 [label="Bearing and Distance Calculation" color="#9C27B0" fillcolor="#E1BEE7" shape=vnode_shape style=filled]
+	N10 [label="Autonomous Vehicle Navigation" color="#D2D2D2" fillcolor="#F0F0F0" shape=preparation style=filled]
+	N11 [label="Historical Traffic Data Analysis" color="#9FA9E1" fillcolor="#D6D9F0" shape=box style=filled]
+	N0 -> N1 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#9C27B0" penwidth=1.5 style=solid label="calibrates" dir=forward]
+	N3 -> N4 [color="#9C27B0" penwidth=1.5 style=dashed label="updates" dir=forward]
+	N4 -> N5 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#9C27B0" penwidth=1.5 style=dashed label="measures" dir=forward]
+	N7 -> N8 [color="#9C27B0" penwidth=1.5 style=dashed label="monitors" dir=forward]
+	N8 -> N9 [color="#D2D2D2" penwidth=1.5 style=dashed label="interprets" dir=forward]
+	N9 -> N10 [color="#9FA9E1" penwidth=1.5 style=dashed label="records" dir=forward]
+	N10 -> N11 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N10 [color="#D2D2D2" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N0 [color="#9C27B0" penwidth=1.5 style=dashed label="detects" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_157.txt b/test/diagrams/graph_easy/diagrams_157.txt
new file mode 100644
index 0000000000000000000000000000000000000000..611fafc6176ae2c2de7355166a956d7c8c59e85e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_157.txt
@@ -0,0 +1,12 @@
+<Educational Applications, innovates, Maintenance and Repair of Printers>
+<File Format Conversion, duplicates, Aerospace Part Production>
+<Fused Deposition Modeling, connectedTo, Printing Parameter Optimization>
+<Intellectual Property Protection for Designs, connectedTo, Slicing Software Operation>
+<Maintenance and Repair of Printers, educates, Post_Processing>
+<Post_Processing, connectedTo, Rapid Manufacturing>
+<Printing Parameter Optimization, connectedTo, File Format Conversion>
+<Printing Process, controls, Troubleshooting Print Errors>
+<Rapid Manufacturing, connectedTo, Intellectual Property Protection for Designs>
+<Slicing Software Operation, analyzes, Printing Process>
+<Troubleshooting Print Errors, connectedTo, Fused Deposition Modeling>
+<Troubleshooting Print Errors, connectedTo, Intellectual Property Protection for Designs>
diff --git a/test/diagrams/graph_easy/diagrams_159.txt b/test/diagrams/graph_easy/diagrams_159.txt
new file mode 100644
index 0000000000000000000000000000000000000000..61dbba800b7d120544b0a786a80bcb03cfa989dc
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_159.txt
@@ -0,0 +1,11 @@
+<3D Printed Tooling, prints, Material Research and Development>
+<Distributed Manufacturing, monitors, Fused Deposition Modeling>
+<Fused Deposition Modeling, manufactures, Intellectual Property Protection for Designs>
+<Intellectual Property Protection for Designs, connectedTo, 3D Printed Tooling>
+<Intellectual Property Protection for Designs, connectedTo, Material Research and Development>
+<Material Research and Development, validates, Distributed Manufacturing>
+<On_Demand Production, connectedTo, Printing Process>
+<Print Farm Management, connectedTo, Intellectual Property Protection for Designs>
+<Printing Process, connectedTo, Selective Laser Sintering>
+<Selective Laser Sintering, connectedTo, Support Structure Design>
+<Support Structure Design, replicates, Print Farm Management>
diff --git a/test/diagrams/graph_easy/diagrams_160.dot b/test/diagrams/graph_easy/diagrams_160.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2c32803656e461ed962ae7c8b822711ee9cd7837
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_160.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=BT
+	N0 [label="Biosensors" color="#9C27B0" fillcolor="#E1BEE7" shape=inputoutput style=filled]
+	N1 [label="Regulatory Framework for Nanotech" color="#9C27B0" fillcolor="#E1BEE7" shape=document style=filled]
+	N2 [label="Transmission Electron Microscopy" color="#D3EB9F" fillcolor="#F8FDD3" shape=multipledocuments style=filled]
+	N3 [label="Public Perception of Nanotechnology" color="#5C6BC0" fillcolor="#E8EAF6" shape=multipledocuments style=filled]
+	N4 [label="Nanocomposites" color="#5C6BC0" fillcolor="#E8EAF6" shape=database style=filled]
+	N5 [label="Atomic Force Microscopy" color="#9C27B0" fillcolor="#E1BEE7" shape=diamond style=filled]
+	N6 [label="Nanosensors" color="#D3EB9F" fillcolor="#F8FDD3" shape=database style=filled]
+	N7 [label="Energy Storage Applications" color="#9C27B0" fillcolor="#E1BEE7" shape=parallelogram style=filled]
+	N8 [label="Environmental Remediation with Nanomaterials" color="#D3EB9F" fillcolor="#F8FDD3" shape=predefinedprocess style=filled]
+	N9 [label="Nanomedicine Development" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N10 [label="Photovoltaics" color="#D3EB9F" fillcolor="#F8FDD3" shape=predefinedprocess style=filled]
+	N11 [label="Drug Delivery Systems" color="#D3EB9F" fillcolor="#F8FDD3" shape=diamond style=filled]
+	N0 -> N1 [color="#D3EB9F" penwidth=1.5 style=solid label="tests" dir=forward]
+	N1 -> N2 [color="#D3EB9F" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#5C6BC0" penwidth=1.5 style=solid label="secures" dir=forward]
+	N3 -> N4 [color="#5C6BC0" penwidth=1.5 style=dashed label="filters" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="commercializes" dir=forward]
+	N5 -> N6 [color="#D3EB9F" penwidth=1.5 style=solid label="assembles" dir=forward]
+	N6 -> N7 [color="#9C27B0" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#5C6BC0" penwidth=1.5 style=dashed label="engineers" dir=forward]
+	N9 -> N10 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#5C6BC0" penwidth=1.5 style=dashed label="simulates" dir=forward]
+	N5 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_163.dot b/test/diagrams/graph_easy/diagrams_163.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9f87f0417321b4be07c1f533506cadf1407bdb34
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_163.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=TB
+	N0 [label="Superconducting Qubits" color="#A1887F" fillcolor="#EFEBE9" shape=database style=filled]
+	N1 [label="Quantum Sensing" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+	N2 [label="Quantum Key Distribution" color="#673AB7" fillcolor="#D1C4E9" shape=hexagon style=filled]
+	N3 [label="Material Science Simulations" color="#A1887F" fillcolor="#EFEBE9" shape=predefinedprocess style=filled]
+	N4 [label="Quantum Coherence Management" color="#7E57C2" fillcolor="#D1C4E9" shape=action style=filled]
+	N5 [label="Financial Modeling with Quantum Computing" color="#7E57C2" fillcolor="#D1C4E9" shape=rectangle style=filled]
+	N6 [label="Quantum Computing Education" color="#673AB7" fillcolor="#D1C4E9" shape=rect style=filled]
+	N7 [label="Optimization Problems with Quantum Annealing" color="#A1887F" fillcolor="#EFEBE9" shape=database style=filled]
+	N8 [label="Quantum Simulation" color="#7E57C2" fillcolor="#D1C4E9" shape=hexagon style=filled]
+	N9 [label="Quantum Bit Design" color="#7E57C2" fillcolor="#D1C4E9" shape=document style=filled]
+	N10 [label="Microwave Control for Qubits" color="#A1887F" fillcolor="#EFEBE9" shape=document style=filled]
+	N0 -> N1 [color="#A1887F" penwidth=1.5 style=dashed label="computes" dir=forward]
+	N1 -> N2 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#7E57C2" penwidth=1.5 style=dashed label="factors" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#7E57C2" penwidth=1.5 style=solid label="develops" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#673AB7" penwidth=1.5 style=dashed label="educates" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="benchmarks" dir=forward]
+	N8 -> N9 [color="#673AB7" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N9 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	N8 -> N3 [color="#000000" penwidth=1.5 style=dashed label="processes" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_165.txt b/test/diagrams/graph_easy/diagrams_165.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fd4610d400b4af81dcc3b632eb23ca021b1a5e08
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_165.txt
@@ -0,0 +1,9 @@
+<Interfacing Classical and Quantum Computers, designs, Quantum Key Distribution>
+<Quantum Bit Design, entangles, Superconducting Qubits>
+<Quantum Cloud Computing Services, measures, Quantum Bit Design>
+<Quantum Computing Education, connectedTo, Quantum Sensing>
+<Quantum Cryptography, connectedTo, Interfacing Classical and Quantum Computers>
+<Quantum Key Distribution, models, Quantum Computing Education>
+<Quantum Sensing, controls, Quantum Software Development Kit>
+<Quantum Sensing, tests, Quantum Bit Design>
+<Superconducting Qubits, connectedTo, Quantum Cryptography>
diff --git a/test/diagrams/graph_easy/diagrams_17.txt b/test/diagrams/graph_easy/diagrams_17.txt
new file mode 100644
index 0000000000000000000000000000000000000000..73f7cc95fdd625a5d26b6aafea81b62bbc70dfd5
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_17.txt
@@ -0,0 +1,9 @@
+<Bridge Inspection, plans, Ticket Purchase>
+<Cargo Loading, connectedTo, Security Check>
+<Customs Clearance, connectedTo, Schedule Generation>
+<Fueling, connectedTo, Bridge Inspection>
+<Ride_sharing Request, connectedTo, Customs Clearance>
+<Schedule Generation, lands, Ride_sharing Request>
+<Security Check, manages, Tunnel Monitoring>
+<Ticket Purchase, maintains, Customs Clearance>
+<Tunnel Monitoring, optimizes, Fueling>
diff --git a/test/diagrams/graph_easy/diagrams_174.txt b/test/diagrams/graph_easy/diagrams_174.txt
new file mode 100644
index 0000000000000000000000000000000000000000..27f8644484f6f95cbc6d27661adf26b94df76ed1
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_174.txt
@@ -0,0 +1,9 @@
+<Beat Making, engineers, Instrumental Performance>
+<Concert Promotion, connectedTo, Ticketing>
+<Concert Promotion, transcribes, Music Video Production>
+<Instrumental Performance, connectedTo, Songwriting>
+<Instrumental Performance, connectedTo, Ticketing>
+<Music Publishing, writes, Artist Management>
+<Music Video Production, connectedTo, Music Publishing>
+<Songwriting, trains, Concert Promotion>
+<Ticketing, connectedTo, Music Video Production>
diff --git a/test/diagrams/graph_easy/diagrams_179.txt b/test/diagrams/graph_easy/diagrams_179.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3f5ee1d199af74061e25777c476a8140d3de4b7c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_179.txt
@@ -0,0 +1,10 @@
+<Branding, collaborates, Fact_Checking>
+<Call to Action Design, connectedTo, Live Streaming Content>
+<Call to Action Design, connectedTo, Video Scripting>
+<Fact_Checking, connectedTo, Graphic Design>
+<Fact_Checking, writes, Video Scripting>
+<Graphic Design, localizes, Newsletter Creation>
+<Live Streaming Content, connectedTo, Call to Action Design>
+<Newsletter Creation, records, Performance Tracking>
+<Podcast Production, connectedTo, Live Streaming Content>
+<Video Scripting, narrates, Branding>
diff --git a/test/diagrams/graph_easy/diagrams_182.txt b/test/diagrams/graph_easy/diagrams_182.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5a7b88e542b7c2c86572e664264d5ea1194dde90
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_182.txt
@@ -0,0 +1,12 @@
+<Customer Analytics, connectedTo, Data Governance>
+<Dashboard Creation, connectedTo, Operational Efficiency Metrics>
+<Data Governance, mines, Financial Data Analysis>
+<Data Pipeline Development, accesses, Data Governance>
+<Data Pipeline Development, transforms, Data Security Best Practices>
+<Data Security Best Practices, correlates, Prescriptive Analytics>
+<Financial Data Analysis, analyzes, Cloud_based Data Platforms>
+<Financial Data Analysis, connectedTo, Dashboard Creation>
+<Marketing Campaign Analysis, connectedTo, Dashboard Creation>
+<Operational Efficiency Metrics, tracks, Web Analytics>
+<Prescriptive Analytics, researches, Customer Analytics>
+<Web Analytics, connectedTo, Data Pipeline Development>
diff --git a/test/diagrams/graph_easy/diagrams_186.dot b/test/diagrams/graph_easy/diagrams_186.dot
new file mode 100644
index 0000000000000000000000000000000000000000..eeed1066541ed49239c1d88d0555fc152ba140c0
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_186.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=RL
+	N0 [label="Strategic Planning Support" color="#4FC3F7" fillcolor="#E1F5FE" shape=rectangle style=filled]
+	N1 [label="Data Modeling" color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
+	N2 [label="Supply Chain Optimization" color="#9575CD" fillcolor="#EDE7F6" shape=preparation style=filled]
+	N3 [label="Data Source Integration" color="#26A69A" fillcolor="#E0F2F1" shape=ellipse style=filled]
+	N4 [label="Data Mart Design" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N5 [label="Business Process Improvement" color="#26A69A" fillcolor="#E0F2F1" shape=rect style=filled]
+	N6 [label="Risk Assessment Reporting" color="#4FC3F7" fillcolor="#E1F5FE" shape=rectangle style=filled]
+	N7 [label="Operational Efficiency Measurement" color="#9575CD" fillcolor="#EDE7F6" shape=document style=filled]
+	N8 [label="Data Security in BI" color="#26A69A" fillcolor="#E0F2F1" shape=multipledocuments style=filled]
+	N9 [label="Market Trend Analysis" color="#26A69A" fillcolor="#E0F2F1" shape=database style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="tracks" dir=forward]
+	N1 -> N2 [color="#26A69A" penwidth=1.5 style=solid label="ETLs" dir=forward]
+	N2 -> N3 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#9575CD" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#9575CD" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#9575CD" penwidth=1.5 style=dashed label="dashboards" dir=forward]
+	N0 -> N2 [color="#26A69A" penwidth=1.5 style=dashed label="complies" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_198.txt b/test/diagrams/graph_easy/diagrams_198.txt
new file mode 100644
index 0000000000000000000000000000000000000000..075edfa4a7ff578dfb7f8e06a05d8acd6d4a2372
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_198.txt
@@ -0,0 +1,11 @@
+<Cold Storage Solutions, connectedTo, Key Management>
+<Community Building, audits security, Initial Exchange Offering>
+<Exchange Listing, borrows capital, Cold Storage Solutions>
+<GameFi Development, manages portfolios, Venture Capital Funding>
+<Initial Exchange Offering, develops GameFi, Venture Capital Funding>
+<Initial Exchange Offering, lends funds, Key Management>
+<Initial Exchange Offering, processes transactions, Exchange Listing>
+<Key Management, connectedTo, Tax Reporting for Crypto>
+<Legal Advisory for Crypto, calculates taxes, Community Building>
+<Tax Reporting for Crypto, connectedTo, GameFi Development>
+<Venture Capital Funding, provides liquidity, Web3 Integration>
diff --git a/test/diagrams/graph_easy/diagrams_20.dot b/test/diagrams/graph_easy/diagrams_20.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8a73c4e2c280373654fe2e39964d16c1bf524680
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_20.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Consumption Logging" color="#6EB76D" fillcolor="#E9F7E8" shape=database style=filled]
+	N1 [label="Voltage Regulation" color="#A1887F" fillcolor="#EFEBE9" shape=predefinedprocess style=filled]
+	N2 [label="Substation Automation" color="#FFCC80" fillcolor="#FFF0CC" shape=document style=filled]
+	N3 [label="Energy Infrastructure Planning" color="#A1887F" fillcolor="#EFEBE9" shape=ellipse style=filled]
+	N4 [label="Grid Modernization" color="#A1887F" fillcolor="#EFEBE9" shape=ellipse style=filled]
+	N5 [label="Geothermal Power" color="#6EB76D" fillcolor="#E9F7E8" shape=box style=filled]
+	N6 [label="Wind Turbine Monitoring" color="#FFCC80" fillcolor="#FFF0CC" shape=inputoutput style=filled]
+	N7 [label="Energy Efficiency Audit" color="#6EB76D" fillcolor="#E9F7E8" shape=rect style=filled]
+	N8 [label="Distributed Generation Management" color="#FFCC80" fillcolor="#FFF0CC" shape=document style=filled]
+	N9 [label="Energy Trading" color="#6EB76D" fillcolor="#E9F7E8" shape=multipledocuments style=filled]
+	N10 [label="Usage Billing" color="#FFCC80" fillcolor="#FFF0CC" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#6EB76D" penwidth=1.5 style=dashed label="connects" dir=forward]
+	N2 -> N3 [color="#6EB76D" penwidth=1.5 style=dashed label="installs" dir=forward]
+	N3 -> N4 [color="#FFCC80" penwidth=1.5 style=solid label="generates" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#A1887F" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N6 -> N7 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#6EB76D" penwidth=1.5 style=dashed label="markets" dir=forward]
+	N8 -> N9 [color="#FFCC80" penwidth=1.5 style=solid label="alerts" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed label="forecasts" dir=forward]
+	N4 -> N9 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N4 [color="#FFCC80" penwidth=1.5 style=solid label="purchases" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_20.txt b/test/diagrams/graph_easy/diagrams_20.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5745be3dd538ac26f0e5ce8d149dddfc6c67c7b3
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_20.txt
@@ -0,0 +1,12 @@
+<Consumption Logging, connectedTo, Voltage Regulation>
+<Distributed Generation Management, alerts, Energy Trading>
+<Energy Efficiency Audit, markets, Distributed Generation Management>
+<Energy Infrastructure Planning, generates, Grid Modernization>
+<Energy Trading, forecasts, Usage Billing>
+<Geothermal Power, manages, Wind Turbine Monitoring>
+<Grid Modernization, connectedTo, Energy Trading>
+<Grid Modernization, connectedTo, Geothermal Power>
+<Substation Automation, installs, Energy Infrastructure Planning>
+<Voltage Regulation, connects, Substation Automation>
+<Voltage Regulation, purchases, Grid Modernization>
+<Wind Turbine Monitoring, connectedTo, Energy Efficiency Audit>
diff --git a/test/diagrams/graph_easy/diagrams_200.txt b/test/diagrams/graph_easy/diagrams_200.txt
new file mode 100644
index 0000000000000000000000000000000000000000..91bd71d8a29f8de5f9b5e3967b9d6fef4901c936
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_200.txt
@@ -0,0 +1,9 @@
+<Debt Crowdfunding, connectedTo, Product Development Lifecycle>
+<Equity Crowdfunding, adheres to regulations, Success Fee Structures>
+<Investor Relations, updates progress, Debt Crowdfunding>
+<Post_Campaign Reporting, connectedTo, Debt Crowdfunding>
+<Product Development Lifecycle, connectedTo, Success Fee Structures>
+<Product Development Lifecycle, sets goals, Securities Regulations Adherence>
+<Real Estate Crowdfunding, calculates taxes, Investor Relations>
+<Securities Regulations Adherence, handles logistics, Post_Campaign Reporting>
+<Success Fee Structures, attracts investors, Real Estate Crowdfunding>
diff --git a/test/diagrams/graph_easy/diagrams_201.dot b/test/diagrams/graph_easy/diagrams_201.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e3408fbdfd4e2e7160521eb67b815d3e2d247de6
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_201.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=LR
+	N0 [label="Financial Projection Analysis" color="#FF8A65" fillcolor="#FBE9E7" shape=action style=filled]
+	N1 [label="Debt Crowdfunding" color="#3F51B5" fillcolor="#C5CAE9" shape=rectangle style=filled]
+	N2 [label="Platform Fee Management" color="#FF8A65" fillcolor="#FBE9E7" shape=rect style=filled]
+	N3 [label="Shareholder Management" color="#FF8A65" fillcolor="#FBE9E7" shape=diamond style=filled]
+	N4 [label="Product Development Lifecycle" color="#FF8A65" fillcolor="#FBE9E7" shape=preparation style=filled]
+	N5 [label="Marketing Strategy" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N6 [label="Payment Processing" color="#FF8A65" fillcolor="#FBE9E7" shape=diamond style=filled]
+	N7 [label="Manufacturing Planning" color="#FF8A65" fillcolor="#FBE9E7" shape=action style=filled]
+	N8 [label="Customer Support for Backers" color="#3F51B5" fillcolor="#C5CAE9" shape=vnode_shape style=filled]
+	N9 [label="Legal Compliance" color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#4FC3F7" penwidth=1.5 style=solid label="attracts investors" dir=forward]
+	N2 -> N3 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="performs due diligence" dir=forward]
+	N5 -> N6 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="ensures compliance" dir=forward]
+	N7 -> N8 [color="#FF8A65" penwidth=1.5 style=solid label="vets projects" dir=forward]
+	N8 -> N9 [color="#4FC3F7" penwidth=1.5 style=dashed label="provides support" dir=forward]
+	N7 -> N5 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N4 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_201.txt b/test/diagrams/graph_easy/diagrams_201.txt
new file mode 100644
index 0000000000000000000000000000000000000000..946684bb9d6c248eb3848090850d01eb29c170bf
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_201.txt
@@ -0,0 +1,11 @@
+<Customer Support for Backers, connectedTo, Product Development Lifecycle>
+<Customer Support for Backers, provides support, Legal Compliance>
+<Debt Crowdfunding, attracts investors, Platform Fee Management>
+<Financial Projection Analysis, connectedTo, Debt Crowdfunding>
+<Manufacturing Planning, connectedTo, Marketing Strategy>
+<Manufacturing Planning, vets projects, Customer Support for Backers>
+<Marketing Strategy, connectedTo, Payment Processing>
+<Payment Processing, ensures compliance, Manufacturing Planning>
+<Platform Fee Management, connectedTo, Shareholder Management>
+<Product Development Lifecycle, performs due diligence, Marketing Strategy>
+<Shareholder Management, connectedTo, Product Development Lifecycle>
diff --git a/test/diagrams/graph_easy/diagrams_203.dot b/test/diagrams/graph_easy/diagrams_203.dot
new file mode 100644
index 0000000000000000000000000000000000000000..de3caed6d5fd6134fc39e9cf72f01709dea5402f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_203.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=TB
+	N0 [label="Cloud Platform Integration" color="#D3EB9F" fillcolor="#F8FDD3" shape=inputoutput style=filled]
+	N1 [label="Transportation IoT" color="#D3EB9F" fillcolor="#F8FDD3" shape=rect style=filled]
+	N2 [label="Retail IoT" color="#4285F4" fillcolor="#D0E0F8" shape=rectangle style=filled]
+	N3 [label="Compliance with IoT Regulations" color="#4285F4" fillcolor="#D0E0F8" shape=inputoutput style=filled]
+	N4 [label="Healthcare IoT Devices" color="#4285F4" fillcolor="#D0E0F8" shape=hexagon style=filled]
+	N5 [label="Network Protocol Selection" color="#F7BEE0" fillcolor="#FAEBF3" shape=hexagon style=filled]
+	N6 [label="Security Implementation" color="#F7BEE0" fillcolor="#FAEBF3" shape=document style=filled]
+	N7 [label="IoT Device Certification" color="#4285F4" fillcolor="#D0E0F8" shape=parallelogram style=filled]
+	N8 [label="Data Privacy in IoT" color="#4285F4" fillcolor="#D0E0F8" shape=action style=filled]
+	N9 [label="Data Collection" color="#D3EB9F" fillcolor="#F8FDD3" shape=database style=filled]
+	N10 [label="Real_time Data Streaming" color="#F7BEE0" fillcolor="#FAEBF3" shape=document style=filled]
+	N0 -> N1 [color="#4285F4" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#D3EB9F" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="uses protocols" dir=forward]
+	N7 -> N8 [color="#4285F4" penwidth=1.5 style=solid label="processes streams" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="uses blockchain" dir=forward]
+	N9 -> N10 [color="#F7BEE0" penwidth=1.5 style=solid label="designs UIs" dir=forward]
+	N10 -> N9 [color="#D3EB9F" penwidth=1.5 style=solid label="optimizes transportation" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_209.txt b/test/diagrams/graph_easy/diagrams_209.txt
new file mode 100644
index 0000000000000000000000000000000000000000..18ca99524575cb750f78c6148e5814ffdad873cd
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_209.txt
@@ -0,0 +1,10 @@
+<Auto_Scaling Configurations, secures environments, Cloud Native Application Development>
+<Cloud Firewall Configuration, manages IAMs, Cloud Vendor Lock_in Mitigation>
+<Cloud Monitoring and Logging, connectedTo, Cost Optimization in Cloud>
+<Cloud Native Application Development, configures networks, Cloud Monitoring and Logging>
+<Cloud Native Application Development, manages VMs, Disaster Recovery in Cloud>
+<Cloud Security, automates tasks, Software as a Service>
+<Cloud Vendor Lock_in Mitigation, implements DR, Disaster Recovery in Cloud>
+<Cost Optimization in Cloud, monitors performance, Cloud Security>
+<Disaster Recovery in Cloud, connectedTo, Network Configuration in Cloud>
+<Network Configuration in Cloud, connectedTo, Auto_Scaling Configurations>
diff --git a/test/diagrams/graph_easy/diagrams_212.dot b/test/diagrams/graph_easy/diagrams_212.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ec5923a0fe5f09752e5dfcda48702703f35fd01f
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_212.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=LR
+	N0 [label="VPN Configuration" color="#BA68C8" fillcolor="#F3E5F5" shape=database style=filled]
+	N1 [label="Access Control Systems" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N2 [label="Software Licensing Management" color="#9FA9E1" fillcolor="#D6D9F0" shape=vnode_shape style=filled]
+	N3 [label="Proxy Server Configuration" color="#BA68C8" fillcolor="#F3E5F5" shape=database style=filled]
+	N4 [label="Remote Access Solutions" color="#BA68C8" fillcolor="#F3E5F5" shape=predefinedprocess style=filled]
+	N5 [label="Disaster Recovery Planning" color="#9FA9E1" fillcolor="#D6D9F0" shape=document style=filled]
+	N6 [label="Network Performance Tuning" color="#BA68C8" fillcolor="#F3E5F5" shape=vnode_shape style=filled]
+	N7 [label="Rack and Cabinet Management" color="#BA68C8" fillcolor="#F3E5F5" shape=rect style=filled]
+	N8 [label="Antivirus and Endpoint Protection" color="#73C6BC" fillcolor="#D0EFEE" shape=parallelogram style=filled]
+	N9 [label="System Administration" color="#73C6BC" fillcolor="#D0EFEE" shape=rectangle style=filled]
+	N0 -> N1 [color="#BA68C8" penwidth=1.5 style=solid label="installs racks" dir=forward]
+	N1 -> N2 [color="#73C6BC" penwidth=1.5 style=dashed label="troubleshoots issues" dir=forward]
+	N2 -> N3 [color="#9FA9E1" penwidth=1.5 style=solid label="lays cables" dir=forward]
+	N3 -> N4 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#BA68C8" penwidth=1.5 style=solid label="automates tasks" dir=forward]
+	N7 -> N8 [color="#9FA9E1" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#BA68C8" penwidth=1.5 style=solid label="configures web servers" dir=forward]
+	N5 -> N4 [color="#9FA9E1" penwidth=1.5 style=solid label="plans capacity" dir=forward]
+	N8 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_214.txt b/test/diagrams/graph_easy/diagrams_214.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4546d592280ea54cb86802b288823ca14e16266e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_214.txt
@@ -0,0 +1,12 @@
+<Alerting and Incident Response, connectedTo, GitOps>
+<Automated Rollbacks, connectedTo, Security in DevOps>
+<Canary Releases, codes features, Monitoring and Logging>
+<Configuration Management, uses GitOps, Alerting and Incident Response>
+<Feature Flags, enables ChatOps, Alerting and Incident Response>
+<GitOps, practices chaos engineering, Infrastructure Provisioning>
+<Infrastructure Provisioning, connectedTo, Configuration Management>
+<Monitoring and Logging, builds cloud_native apps, Observability Implementation>
+<Monitoring and Logging, connectedTo, Configuration Management>
+<Observability Implementation, accelerates delivery, Feature Flags>
+<Security in DevOps, connectedTo, Static Code Analysis>
+<Static Code Analysis, connectedTo, Canary Releases>
diff --git a/test/diagrams/graph_easy/diagrams_219.txt b/test/diagrams/graph_easy/diagrams_219.txt
new file mode 100644
index 0000000000000000000000000000000000000000..91b985d743e165fb6c8237fd73ed59da50f6dfd8
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_219.txt
@@ -0,0 +1,11 @@
+<Bug Fixing, connectedTo, Coding>
+<Coding, connectedTo, Documentation>
+<Documentation, writes documentation, Coding>
+<Operating System Development, designs APIs, Refactoring>
+<Operating System Development, develops embedded systems, User Experience Design>
+<Refactoring, connectedTo, User Interface Design>
+<System Design, connectedTo, Unit Testing>
+<Unit Testing, connectedTo, Version Control>
+<User Experience Design, connectedTo, System Design>
+<User Interface Design, implements CD, User Experience Design>
+<Version Control, designs games, Bug Fixing>
diff --git a/test/diagrams/graph_easy/diagrams_222.dot b/test/diagrams/graph_easy/diagrams_222.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3f90d3d8c28e957a8c0a78cb5ccfc3531d6c3f18
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_222.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=BT
+	N0 [label="Schematic Capture" color="#A1D7CD" fillcolor="#EDF5F3" shape=parallelogram style=filled]
+	N1 [label="Thermal Management" color="#A1D7CD" fillcolor="#EDF5F3" shape=rect style=filled]
+	N2 [label="Actuator Control" color="#795548" fillcolor="#D7CCC8" shape=hexagon style=filled]
+	N3 [label="Power Management Design" color="#FFCC80" fillcolor="#FFF0CC" shape=inputoutput style=filled]
+	N4 [label="Quality Control" color="#FFCC80" fillcolor="#FFF0CC" shape=preparation style=filled]
+	N5 [label="Mechanical Design Integration" color="#A1D7CD" fillcolor="#EDF5F3" shape=multipledocuments style=filled]
+	N6 [label="Enclosure Design" color="#A1D7CD" fillcolor="#EDF5F3" shape=rectangle style=filled]
+	N7 [label="Documentation" color="#795548" fillcolor="#D7CCC8" shape=multipledocuments style=filled]
+	N8 [label="Power Integrity Analysis" color="#FFCC80" fillcolor="#FFF0CC" shape=database style=filled]
+	N9 [label="Failure Analysis" color="#A1D7CD" fillcolor="#EDF5F3" shape=predefinedprocess style=filled]
+	N10 [label="Environmental Testing" color="#A1D7CD" fillcolor="#EDF5F3" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#795548" penwidth=1.5 style=dashed label="designs FPGAs" dir=forward]
+	N1 -> N2 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#795548" penwidth=1.5 style=solid label="develops RF systems" dir=forward]
+	N3 -> N4 [color="#A1D7CD" penwidth=1.5 style=solid label="develops firmware" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="manages EMC" dir=forward]
+	N5 -> N6 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#795548" penwidth=1.5 style=dashed label="manages supply chains" dir=forward]
+	N7 -> N8 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#A1D7CD" penwidth=1.5 style=dashed label="integrates sensors" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N8 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_223.txt b/test/diagrams/graph_easy/diagrams_223.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a3c90a1bfb5df48b6c555764b942e012b1bcde31
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_223.txt
@@ -0,0 +1,8 @@
+<AR or VR Features in Mobile, connectedTo, Widget Development>
+<Accessibility Features, manages updates, Payment Gateway Integration>
+<Concept Development, connectedTo, Deployment to App Stores>
+<Deployment to App Stores, connectedTo, Accessibility Features>
+<Deployment to App Stores, integrates wearables, Push Notification Implementation>
+<Payment Gateway Integration, deploys to stores, Wireframing>
+<Push Notification Implementation, uses cloud services, Concept Development>
+<Widget Development, connectedTo, Push Notification Implementation>
diff --git a/test/diagrams/graph_easy/diagrams_228.dot b/test/diagrams/graph_easy/diagrams_228.dot
new file mode 100644
index 0000000000000000000000000000000000000000..00860d3e7f45120633916c32fe37b97cecb89239
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_228.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=RL
+	N0 [label="Campaign Management" color="#388E3C" fillcolor="#C8E6C9" shape=parallelogram style=filled]
+	N1 [label="Story Format Content Creation" color="#B8C0F5" fillcolor="#ECF0FD" shape=document style=filled]
+	N2 [label="Personal Branding on Social Media" color="#B8C0F5" fillcolor="#ECF0FD" shape=rect style=filled]
+	N3 [label="Crisis Communication Plan" color="#B8C0F5" fillcolor="#ECF0FD" shape=vnode_shape style=filled]
+	N4 [label="Community Management" color="#388E3C" fillcolor="#C8E6C9" shape=diamond style=filled]
+	N5 [label="Reach and Impressions Tracking" color="#B8C0F5" fillcolor="#ECF0FD" shape=predefinedprocess style=filled]
+	N6 [label="Partnership Management on Social" color="#6EB76D" fillcolor="#E9F7E8" shape=diamond style=filled]
+	N7 [label="Performance Analytics" color="#388E3C" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N8 [label="Cross_Promotion" color="#6EB76D" fillcolor="#E9F7E8" shape=box style=filled]
+	N9 [label="Follower Growth Monitoring" color="#6EB76D" fillcolor="#E9F7E8" shape=action style=filled]
+	N0 -> N1 [color="#6EB76D" penwidth=1.5 style=dashed label="collaborates with influencers" dir=forward]
+	N1 -> N2 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#388E3C" penwidth=1.5 style=solid label="curates UGC" dir=forward]
+	N4 -> N5 [color="#B8C0F5" penwidth=1.5 style=dashed label="develops brand voice" dir=forward]
+	N5 -> N6 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#6EB76D" penwidth=1.5 style=solid label="measures reach" dir=forward]
+	N8 -> N9 [color="#6EB76D" penwidth=1.5 style=solid label="creates stories" dir=forward]
+	N0 -> N9 [color="#B8C0F5" penwidth=1.5 style=dashed label="selects platforms" dir=forward]
+	N6 -> N8 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_229.dot b/test/diagrams/graph_easy/diagrams_229.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6f3429e1e270324daa275725fb9121294f3b686e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_229.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Penalties Recovery" color="#92C79A" fillcolor="#E8F0EA" shape=inputoutput style=filled]
+	N1 [label="Crawling Websites" color="#C2B2F0" fillcolor="#EFE6FF" shape=hexagon style=filled]
+	N2 [label="Algorithm Updates Monitoring" color="#FBC02D" fillcolor="#FFFDE7" shape=document style=filled]
+	N3 [label="Google My Business Management" color="#92C79A" fillcolor="#E8F0EA" shape=rect style=filled]
+	N4 [label="Search Console Management" color="#C2B2F0" fillcolor="#EFE6FF" shape=inputoutput style=filled]
+	N5 [label="International SEO" color="#92C79A" fillcolor="#E8F0EA" shape=multipledocuments style=filled]
+	N6 [label="Technical SEO" color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N7 [label="Shopping Search" color="#C2B2F0" fillcolor="#EFE6FF" shape=hexagon style=filled]
+	N8 [label="Query Processing" color="#C2B2F0" fillcolor="#EFE6FF" shape=box style=filled]
+	N9 [label="Semantic Search" color="#C2B2F0" fillcolor="#EFE6FF" shape=rect style=filled]
+	N10 [label="Video Search" color="#FBC02D" fillcolor="#FFFDE7" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#92C79A" penwidth=1.5 style=solid label="personalizes results" dir=forward]
+	N1 -> N2 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="handles voice search" dir=forward]
+	N4 -> N5 [color="#92C79A" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#C2B2F0" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#92C79A" penwidth=1.5 style=solid label="creates content" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="indexes academic papers" dir=forward]
+	N8 -> N9 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N1 -> N3 [color="#92C79A" penwidth=1.5 style=solid label="detects spam" dir=forward]
+	N5 -> N2 [color="#FBC02D" penwidth=1.5 style=solid label="manages international SEO" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_230.txt b/test/diagrams/graph_easy/diagrams_230.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8ccf3befc595b3414b4ea4c186e4b8284bcab8b6
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_230.txt
@@ -0,0 +1,8 @@
+<Core Web Vitals Optimization, optimizes on_page, Search Console Management>
+<Core Web Vitals Optimization, processes updates, Keyword Research>
+<Google My Business Management, connectedTo, Competitor Keyword Analysis>
+<Keyword Research, connectedTo, Google My Business Management>
+<News Search, connectedTo, User Intent Understanding>
+<Search Console Management, handles shopping queries, Keyword Research>
+<Search Engine Optimization, connectedTo, News Search>
+<User Intent Understanding, connectedTo, Core Web Vitals Optimization>
diff --git a/test/diagrams/graph_easy/diagrams_234.dot b/test/diagrams/graph_easy/diagrams_234.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1b06f7603737e1f60402e2d238a56e7358472fd7
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_234.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=BT
+	N0 [label="Identity Proofing" color="#8C9EFF" fillcolor="#D3D7EB" shape=inputoutput style=filled]
+	N1 [label="Non_Repudiation" color="#8C9EFF" fillcolor="#D3D7EB" shape=action style=filled]
+	N2 [label="Access Governance" color="#DCE775" fillcolor="#F9FBE7" shape=rectangle style=filled]
+	N3 [label="Credential Management" color="#82DAFF" fillcolor="#C8EDFF" shape=multipledocuments style=filled]
+	N4 [label="Social Login Integration" color="#8C9EFF" fillcolor="#D3D7EB" shape=diamond style=filled]
+	N5 [label="Digital Signatures" color="#DCE775" fillcolor="#F9FBE7" shape=preparation style=filled]
+	N6 [label="Identity Threat Detection and Response" color="#8C9EFF" fillcolor="#D3D7EB" shape=rectangle style=filled]
+	N7 [label="Single Sign_On" color="#DCE775" fillcolor="#F9FBE7" shape=rectangle style=filled]
+	N8 [label="Privacy Management" color="#DCE775" fillcolor="#F9FBE7" shape=rect style=filled]
+	N9 [label="Federated Identity Management" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N10 [label="Data Encryption for Identity" color="#82DAFF" fillcolor="#C8EDFF" shape=action style=filled]
+	N11 [label="Biometric Authentication" color="#82DAFF" fillcolor="#C8EDFF" shape=parallelogram style=filled]
+	N0 -> N1 [color="#82DAFF" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#82DAFF" penwidth=1.5 style=solid label="manages passwords" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="registers identities" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#8C9EFF" penwidth=1.5 style=dashed label="authenticates users" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="encrypts data" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid label="authorizes access" dir=forward]
+	N10 -> N11 [color="#82DAFF" penwidth=1.5 style=solid dir=forward]
+	N0 -> N2 [color="#000000" penwidth=1.5 style=dashed label="manages workforces" dir=forward]
+	N8 -> N7 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_234.txt b/test/diagrams/graph_easy/diagrams_234.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6fb430425d2bb801416f59ced569a76097c2a62e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_234.txt
@@ -0,0 +1,13 @@
+<Access Governance, connectedTo, Credential Management>
+<Credential Management, manages passwords, Social Login Integration>
+<Data Encryption for Identity, connectedTo, Biometric Authentication>
+<Digital Signatures, connectedTo, Identity Threat Detection and Response>
+<Federated Identity Management, authorizes access, Data Encryption for Identity>
+<Identity Proofing, connectedTo, Non_Repudiation>
+<Identity Proofing, manages workforces, Access Governance>
+<Identity Threat Detection and Response, connectedTo, Single Sign_On>
+<Non_Repudiation, connectedTo, Access Governance>
+<Privacy Management, connectedTo, Single Sign_On>
+<Privacy Management, encrypts data, Federated Identity Management>
+<Single Sign_On, authenticates users, Privacy Management>
+<Social Login Integration, registers identities, Digital Signatures>
diff --git a/test/diagrams/graph_easy/diagrams_235.txt b/test/diagrams/graph_easy/diagrams_235.txt
new file mode 100644
index 0000000000000000000000000000000000000000..790414fd4e8c9ea2275df45940058585962b476a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_235.txt
@@ -0,0 +1,12 @@
+<AI in Online Education, connectedTo, Competency_Based Education>
+<AI in Online Education, connectedTo, Interactive Learning Activities>
+<Collaborative Projects, connectedTo, Interactive Learning Activities>
+<Curriculum Development, provides digital textbooks, Discussion Forum Moderation>
+<Discussion Forum Moderation, protects data privacy, Virtual Labs and Simulations>
+<Interactive Learning Activities, integrates AI, AI in Online Education>
+<Learning Analytics, analyzes learning data, Collaborative Projects>
+<Professional Development Courses, uses blockchain for credentials, Curriculum Development>
+<Synchronous Learning, secures platforms, Learning Analytics>
+<Virtual Classroom Facilitation, connectedTo, Professional Development Courses>
+<Virtual Labs and Simulations, digitizes curriculum, AI in Online Education>
+<Virtual Labs and Simulations, trains educators, Synchronous Learning>
diff --git a/test/diagrams/graph_easy/diagrams_237.dot b/test/diagrams/graph_easy/diagrams_237.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4eef530e0b306a37faf9ac4053779b36f183f8a5
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_237.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=TB
+	N0 [label="AI in Online Education" color="#6EB76D" fillcolor="#E9F7E8" shape=diamond style=filled]
+	N1 [label="Adaptive Learning Technologies" color="#6EB76D" fillcolor="#E9F7E8" shape=multipledocuments style=filled]
+	N2 [label="Accreditation Management" color="#66BB6A" fillcolor="#E8F5E9" shape=parallelogram style=filled]
+	N3 [label="Instructor Training" color="#6EB76D" fillcolor="#E9F7E8" shape=database style=filled]
+	N4 [label="Virtual Field Trips" color="#6EB76D" fillcolor="#E9F7E8" shape=rect style=filled]
+	N5 [label="Online Tutoring" color="#DCE775" fillcolor="#FCFCE7" shape=rect style=filled]
+	N6 [label="Test Preparation Courses" color="#66BB6A" fillcolor="#E8F5E9" shape=rectangle style=filled]
+	N7 [label="Learning Analytics" color="#DCE775" fillcolor="#FCFCE7" shape=document style=filled]
+	N0 -> N1 [color="#6EB76D" penwidth=1.5 style=dashed label="secures platforms" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="uses AR or VR for learning" dir=forward]
+	N3 -> N4 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="issues certificates" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="integrates robotics" dir=forward]
+	N6 -> N7 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N5 -> N1 [color="#66BB6A" penwidth=1.5 style=solid label="administers assessments" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_239.txt b/test/diagrams/graph_easy/diagrams_239.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e627bdf2f8067cbe8ea46d4d2bb9208f746bad63
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_239.txt
@@ -0,0 +1,9 @@
+<Content Licensing, provides accessibility, Financial Aid for Learners>
+<Corporate Training Solutions, connectedTo, Course Pilot Testing>
+<Corporate Training Solutions, issues statements of accomplishment, Content Licensing>
+<Course Pilot Testing, localizes platforms, Course Retirement Planning>
+<Course Retirement Planning, connectedTo, Instructor Recruitment for MOOCs>
+<Financial Aid for Learners, connectedTo, Corporate Training Solutions>
+<Financial Aid for Learners, monetizes offerings, Global Accessibility Features>
+<Forum Moderation, collaborates with experts, Course Pilot Testing>
+<Global Accessibility Features, connectedTo, Forum Moderation>
diff --git a/test/diagrams/graph_easy/diagrams_245.txt b/test/diagrams/graph_easy/diagrams_245.txt
new file mode 100644
index 0000000000000000000000000000000000000000..156965413790a35754c2459501d680986d4b9cb5
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_245.txt
@@ -0,0 +1,13 @@
+<AI_Powered Language Tutors, interacts, Pronunciation Drills>
+<Accent Reduction Coaching, connectedTo, Children's Language Learning>
+<Children's Language Learning, teaches, AI_Powered Language Tutors>
+<Language Assessment Tests, dialogues, Speaking Practice>
+<Language for Specific Purposes, immerses, Accent Reduction Coaching>
+<Language for Specific Purposes, reads, Video Lessons>
+<Listening Comprehension, certifies, Pronunciation Drills>
+<Personalized Learning Paths, memorizes, Listening Comprehension>
+<Progress Tracking, connects, Language for Specific Purposes>
+<Pronunciation Drills, connectedTo, Slang and Idioms Learning>
+<Slang and Idioms Learning, automates, Personalized Learning Paths>
+<Speaking Practice, connectedTo, Progress Tracking>
+<Video Lessons, connectedTo, Accent Reduction Coaching>
diff --git a/test/diagrams/graph_easy/diagrams_247.dot b/test/diagrams/graph_easy/diagrams_247.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6238bdb2dda0e82a426ec9cb1b60a2772876eaab
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_247.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=TB
+	N0 [label="Depression Treatment" color="#BCB88A" fillcolor="#F5F5DC" shape=predefinedprocess style=filled]
+	N1 [label="Crisis Intervention" color="#2196F3" fillcolor="#BBDEFB" shape=preparation style=filled]
+	N2 [label="Child & Adolescent Therapy" color="#AABEC6" fillcolor="#E0E6E9" shape=hexagon style=filled]
+	N3 [label="Music Therapy" color="#AABEC6" fillcolor="#E0E6E9" shape=rectangle style=filled]
+	N4 [label="Schizophrenia Management" color="#2196F3" fillcolor="#BBDEFB" shape=hexagon style=filled]
+	N5 [label="Bipolar Disorder Management" color="#AABEC6" fillcolor="#E0E6E9" shape=preparation style=filled]
+	N6 [label="Relapse Prevention" color="#AABEC6" fillcolor="#E0E6E9" shape=parallelogram style=filled]
+	N7 [label="Suicide Prevention" color="#BCB88A" fillcolor="#F5F5DC" shape=action style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="audits" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	N3 -> N4 [color="#BCB88A" penwidth=1.5 style=solid label="complies" dir=forward]
+	N4 -> N5 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#AABEC6" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N1 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N6 [color="#AABEC6" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_249.dot b/test/diagrams/graph_easy/diagrams_249.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b82ed209b2be3297a8fa2f8db4f713b8559ef173
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_249.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=BT
+	N0 [label="Mental Health Screening" color="#FFA726" fillcolor="#FFF3E0" shape=box style=filled]
+	N1 [label="Emotional Regulation Training" color="#7E57C2" fillcolor="#EDE7F6" shape=inputoutput style=filled]
+	N2 [label="Diagnosis and Assessment" color="#FFA726" fillcolor="#FFF3E0" shape=multipledocuments style=filled]
+	N3 [label="Suicide Prevention" color="#4FC3F7" fillcolor="#E1F5FE" shape=document style=filled]
+	N4 [label="Dialectical Behavior Therapy" color="#7E57C2" fillcolor="#EDE7F6" shape=preparation style=filled]
+	N5 [label="Outpatient Program Management" color="#FFA726" fillcolor="#FFF3E0" shape=predefinedprocess style=filled]
+	N6 [label="Schizophrenia Management" color="#FFA726" fillcolor="#FFF3E0" shape=action style=filled]
+	N7 [label="Stress Reduction Techniques" color="#7E57C2" fillcolor="#EDE7F6" shape=rectangle style=filled]
+	N8 [label="Medication Management" color="#FFA726" fillcolor="#FFF3E0" shape=multipledocuments style=filled]
+	N9 [label="Trauma Therapy" color="#FFA726" fillcolor="#FFF3E0" shape=rectangle style=filled]
+	N10 [label="Advocacy for Mental Health" color="#7E57C2" fillcolor="#EDE7F6" shape=rectangle style=filled]
+	N11 [label="Child & Adolescent Therapy" color="#7E57C2" fillcolor="#EDE7F6" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#4FC3F7" penwidth=1.5 style=solid label="coping" dir=forward]
+	N1 -> N2 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#7E57C2" penwidth=1.5 style=solid label="trains" dir=forward]
+	N3 -> N4 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#7E57C2" penwidth=1.5 style=solid label="integrates" dir=forward]
+	N5 -> N6 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#4FC3F7" penwidth=1.5 style=dashed label="guides" dir=forward]
+	N8 -> N9 [color="#7E57C2" penwidth=1.5 style=solid label="consults" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N9 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_255.dot b/test/diagrams/graph_easy/diagrams_255.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ced62a5e50242c2ab91d321226370b2fbf52c2a9
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_255.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=RL
+	N0 [label="Body Composition Analysis" color="#00BCD4" fillcolor="#B2EBF2" shape=preparation style=filled]
+	N1 [label="Posture Correction" color="#795548" fillcolor="#D7CCC8" shape=diamond style=filled]
+	N2 [label="Home Workout Programs" color="#795548" fillcolor="#D7CCC8" shape=predefinedprocess style=filled]
+	N3 [label="Nutrition for Fitness" color="#795548" fillcolor="#D7CCC8" shape=box style=filled]
+	N4 [label="Wearable Fitness Devices" color="#00BCD4" fillcolor="#B2EBF2" shape=multipledocuments style=filled]
+	N5 [label="Cross_Training" color="#F44336" fillcolor="#FFCDD2" shape=diamond style=filled]
+	N6 [label="Mind_Body Connection" color="#00BCD4" fillcolor="#B2EBF2" shape=document style=filled]
+	N7 [label="Weightlifting Techniques" color="#F44336" fillcolor="#FFCDD2" shape=rectangle style=filled]
+	N8 [label="Yoga Instruction" color="#795548" fillcolor="#D7CCC8" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#795548" penwidth=1.5 style=solid label="stretches" dir=forward]
+	N1 -> N2 [color="#795548" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#795548" penwidth=1.5 style=dashed label="strengthens" dir=forward]
+	N4 -> N5 [color="#795548" penwidth=1.5 style=dashed label="tests" dir=forward]
+	N5 -> N6 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#00BCD4" penwidth=1.5 style=solid label="connects" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="automates" dir=forward]
+	N1 -> N8 [color="#00BCD4" penwidth=1.5 style=solid label="develops" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_259.dot b/test/diagrams/graph_easy/diagrams_259.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bc17ae2ec2f48913c0f73b50754527128954abb3
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_259.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=BT
+	N0 [label="Art and Accessory Curation" color="#F7BEE0" fillcolor="#FAEBF3" shape=document style=filled]
+	N1 [label="Custom Furniture Design" color="#FFF8A6" fillcolor="#FFFDE0" shape=hexagon style=filled]
+	N2 [label="Building Code Compliance" color="#FFF8A6" fillcolor="#FFFDE0" shape=database style=filled]
+	N3 [label="3D Rendering" color="#FFF8A6" fillcolor="#FFFDE0" shape=hexagon style=filled]
+	N4 [label="Furniture Selection" color="#FFF8A6" fillcolor="#FFFDE0" shape=inputoutput style=filled]
+	N5 [label="Bathroom Design" color="#FFF8A6" fillcolor="#FFFDE0" shape=rect style=filled]
+	N6 [label="Living Room Design" color="#92C79A" fillcolor="#E8F0EA" shape=vnode_shape style=filled]
+	N7 [label="Budget Management" color="#92C79A" fillcolor="#E8F0EA" shape=inputoutput style=filled]
+	N8 [label="Concept Development" color="#FFF8A6" fillcolor="#FFFDE0" shape=inputoutput style=filled]
+	N9 [label="Wall Treatment Selection" color="#F7BEE0" fillcolor="#FAEBF3" shape=ellipse style=filled]
+	N10 [label="Commercial Interior Design" color="#92C79A" fillcolor="#E8F0EA" shape=inputoutput style=filled]
+	N11 [label="Color Scheme Selection" color="#FFF8A6" fillcolor="#FFFDE0" shape=parallelogram style=filled]
+	N0 -> N1 [color="#FFF8A6" penwidth=1.5 style=dashed label="sources" dir=forward]
+	N1 -> N2 [color="#F7BEE0" penwidth=1.5 style=solid label="schedules" dir=forward]
+	N2 -> N3 [color="#FFF8A6" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="plans" dir=forward]
+	N4 -> N5 [color="#FFF8A6" penwidth=1.5 style=dashed label="customizes" dir=forward]
+	N5 -> N6 [color="#F7BEE0" penwidth=1.5 style=dashed label="presents" dir=forward]
+	N6 -> N7 [color="#F7BEE0" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#F7BEE0" penwidth=1.5 style=solid label="selects" dir=forward]
+	N9 -> N10 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#F7BEE0" penwidth=1.5 style=solid label="showcases" dir=forward]
+	N10 -> N9 [color="#92C79A" penwidth=1.5 style=solid dir=forward]
+	N6 -> N1 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_262.dot b/test/diagrams/graph_easy/diagrams_262.dot
new file mode 100644
index 0000000000000000000000000000000000000000..65f868c0e55ebc9c0f92d76b335f5fb98b251ba5
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_262.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=TB
+	N0 [label="Neural Machine Translation" color="#BDAFA8" fillcolor="#E4E0DF" shape=predefinedprocess style=filled]
+	N1 [label="Low_Latency Processing" color="#A188DB" fillcolor="#DED7F0" shape=document style=filled]
+	N2 [label="Medical Translation" color="#DCE775" fillcolor="#FCFCE7" shape=vnode_shape style=filled]
+	N3 [label="Glossary Management" color="#BDAFA8" fillcolor="#E4E0DF" shape=database style=filled]
+	N4 [label="Speech Recognition" color="#A188DB" fillcolor="#DED7F0" shape=rectangle style=filled]
+	N5 [label="Domain_Specific Translation Models" color="#A188DB" fillcolor="#DED7F0" shape=action style=filled]
+	N6 [label="Legal Document Translation" color="#DCE775" fillcolor="#FCFCE7" shape=multipledocuments style=filled]
+	N7 [label="Rule_Based Machine Translation" color="#DCE775" fillcolor="#FCFCE7" shape=database style=filled]
+	N8 [label="Real_Time Captioning" color="#BDAFA8" fillcolor="#E4E0DF" shape=preparation style=filled]
+	N9 [label="Emotion Detection in Speech" color="#A188DB" fillcolor="#DED7F0" shape=parallelogram style=filled]
+	N10 [label="Machine Translation Engine" color="#A188DB" fillcolor="#DED7F0" shape=diamond style=filled]
+	N0 -> N1 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#DCE775" penwidth=1.5 style=dashed label="adapts" dir=forward]
+	N3 -> N4 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="translates" dir=forward]
+	N5 -> N6 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#BDAFA8" penwidth=1.5 style=dashed label="monitors" dir=forward]
+	N7 -> N8 [color="#A188DB" penwidth=1.5 style=dashed label="automates" dir=forward]
+	N8 -> N9 [color="#BDAFA8" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#BDAFA8" penwidth=1.5 style=solid dir=forward]
+	N2 -> N6 [color="#BDAFA8" penwidth=1.5 style=solid label="licenses" dir=forward]
+	N1 -> N10 [color="#DCE775" penwidth=1.5 style=dashed label="tracks" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_263.dot b/test/diagrams/graph_easy/diagrams_263.dot
new file mode 100644
index 0000000000000000000000000000000000000000..45e6c439ead7b86e392043fbe82e889bb92320f6
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_263.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=LR
+	N0 [label="Subtitling Generation" color="#FF5722" fillcolor="#FFCCBC" shape=predefinedprocess style=filled]
+	N1 [label="Pronunciation Correction" color="#81C784" fillcolor="#F1F8E9" shape=database style=filled]
+	N2 [label="Technical Manual Translation" color="#FF5722" fillcolor="#FFCCBC" shape=predefinedprocess style=filled]
+	N3 [label="Offline Translation Capabilities" color="#7E57C2" fillcolor="#EDE7F6" shape=diamond style=filled]
+	N4 [label="Contextual Understanding" color="#FF5722" fillcolor="#FFCCBC" shape=hexagon style=filled]
+	N5 [label="Neural Machine Translation" color="#7E57C2" fillcolor="#EDE7F6" shape=document style=filled]
+	N6 [label="Voice Biometrics" color="#81C784" fillcolor="#F1F8E9" shape=rectangle style=filled]
+	N7 [label="Medical Translation" color="#7E57C2" fillcolor="#EDE7F6" shape=diamond style=filled]
+	N8 [label="Low_Latency Processing" color="#FF5722" fillcolor="#FFCCBC" shape=document style=filled]
+	N9 [label="Machine Translation Engine" color="#81C784" fillcolor="#F1F8E9" shape=action style=filled]
+	N10 [label="Rule_Based Machine Translation" color="#7E57C2" fillcolor="#EDE7F6" shape=hexagon style=filled]
+	N0 -> N1 [color="#81C784" penwidth=1.5 style=solid label="corrects" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="blocks" dir=forward]
+	N2 -> N3 [color="#FF5722" penwidth=1.5 style=dashed label="personalizes" dir=forward]
+	N3 -> N4 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FF5722" penwidth=1.5 style=solid label="analyzes" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="connects" dir=forward]
+	N9 -> N10 [color="#FF5722" penwidth=1.5 style=solid label="pronounces" dir=forward]
+	N8 -> N6 [color="#FF5722" penwidth=1.5 style=solid label="customizes" dir=forward]
+	N4 -> N2 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_263.txt b/test/diagrams/graph_easy/diagrams_263.txt
new file mode 100644
index 0000000000000000000000000000000000000000..20b2ce4da28929749990d67e22491c1cb8d3a712
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_263.txt
@@ -0,0 +1,12 @@
+<Contextual Understanding, connectedTo, Neural Machine Translation>
+<Contextual Understanding, connectedTo, Technical Manual Translation>
+<Low_Latency Processing, connects, Machine Translation Engine>
+<Low_Latency Processing, customizes, Voice Biometrics>
+<Machine Translation Engine, pronounces, Rule_Based Machine Translation>
+<Medical Translation, connectedTo, Low_Latency Processing>
+<Neural Machine Translation, connectedTo, Voice Biometrics>
+<Offline Translation Capabilities, connectedTo, Contextual Understanding>
+<Pronunciation Correction, blocks, Technical Manual Translation>
+<Subtitling Generation, corrects, Pronunciation Correction>
+<Technical Manual Translation, personalizes, Offline Translation Capabilities>
+<Voice Biometrics, analyzes, Medical Translation>
diff --git a/test/diagrams/graph_easy/diagrams_265.dot b/test/diagrams/graph_easy/diagrams_265.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2388d524c28e231db1ba6b6620b84eeed2233d85
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_265.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=BT
+	N0 [label="Delivery Services" color="#BDBDBD" fillcolor="#F5F5F5" shape=preparation style=filled]
+	N1 [label="Aerial Photography" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+	N2 [label="Ethical Drone Use" color="#FFC107" fillcolor="#FFECB3" shape=vnode_shape style=filled]
+	N3 [label="Communication Systems" color="#66BB6A" fillcolor="#E8F5E9" shape=rectangle style=filled]
+	N4 [label="Security Surveillance" color="#FFC107" fillcolor="#FFECB3" shape=database style=filled]
+	N5 [label="Precision Agriculture" color="#66BB6A" fillcolor="#E8F5E9" shape=inputoutput style=filled]
+	N6 [label="Sensor Integration" color="#FFC107" fillcolor="#FFECB3" shape=rectangle style=filled]
+	N7 [label="3D Modeling from Drone Data" color="#66BB6A" fillcolor="#E8F5E9" shape=parallelogram style=filled]
+	N8 [label="Endurance Optimization" color="#BDBDBD" fillcolor="#F5F5F5" shape=vnode_shape style=filled]
+	N9 [label="Drone Design" color="#BDBDBD" fillcolor="#F5F5F5" shape=hexagon style=filled]
+	N10 [label="Airspace Management for Drones" color="#66BB6A" fillcolor="#E8F5E9" shape=database style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="inspects" dir=forward]
+	N1 -> N2 [color="#66BB6A" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFC107" penwidth=1.5 style=solid label="licenses" dir=forward]
+	N3 -> N4 [color="#66BB6A" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#BDBDBD" penwidth=1.5 style=dashed label="detects" dir=forward]
+	N5 -> N6 [color="#66BB6A" penwidth=1.5 style=solid label="maintains" dir=forward]
+	N6 -> N7 [color="#BDBDBD" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FFC107" penwidth=1.5 style=solid label="analyzes" dir=forward]
+	N8 -> N9 [color="#FFC107" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#66BB6A" penwidth=1.5 style=solid dir=forward]
+	N10 -> N3 [color="#FFC107" penwidth=1.5 style=solid label="trains" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_265.txt b/test/diagrams/graph_easy/diagrams_265.txt
new file mode 100644
index 0000000000000000000000000000000000000000..eb583827012a8d54aa227748be897f32e252a2da
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_265.txt
@@ -0,0 +1,11 @@
+<3D Modeling from Drone Data, analyzes, Endurance Optimization>
+<Aerial Photography, connectedTo, Ethical Drone Use>
+<Airspace Management for Drones, trains, Communication Systems>
+<Communication Systems, connectedTo, Security Surveillance>
+<Delivery Services, inspects, Aerial Photography>
+<Drone Design, connectedTo, Airspace Management for Drones>
+<Endurance Optimization, connectedTo, Drone Design>
+<Ethical Drone Use, licenses, Communication Systems>
+<Precision Agriculture, maintains, Sensor Integration>
+<Security Surveillance, detects, Precision Agriculture>
+<Sensor Integration, connectedTo, 3D Modeling from Drone Data>
diff --git a/test/diagrams/graph_easy/diagrams_266.txt b/test/diagrams/graph_easy/diagrams_266.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fb0c0ac8cffac6c94b66da6f340290a5fdd4fb96
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_266.txt
@@ -0,0 +1,11 @@
+<Drone Delivery Logistics, connectedTo, Search and Rescue Operations>
+<Geofencing Implementation, audits, Drone Delivery Logistics>
+<Geofencing Implementation, connectedTo, Security Surveillance>
+<Navigation System, connectedTo, Endurance Optimization>
+<Propeller Design, tracks, Propulsion System Development>
+<Propulsion System Development, secures, Videography>
+<Search and Rescue Operations, manufactures, Geofencing Implementation>
+<Security Surveillance, automates, Propeller Design>
+<Sensor Integration, connectedTo, Navigation System>
+<Thermal Imaging with Drones, connectedTo, Drone Delivery Logistics>
+<Videography, connectedTo, Sensor Integration>
diff --git a/test/diagrams/graph_easy/diagrams_267.txt b/test/diagrams/graph_easy/diagrams_267.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d6c0bb0adcea10ff7b4a93b0f5034ea290d0b09a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_267.txt
@@ -0,0 +1,13 @@
+<3D Modeling from Drone Data, connectedTo, Remote Piloting Training>
+<AI for Drone Autonomy, builds, Inspection>
+<AI for Drone Autonomy, tracks, Sensor Integration>
+<Airspace Management for Drones, connectedTo, Sensor Integration>
+<Airspace Management for Drones, simulates, Swarm Robotics for Drones>
+<Drone Delivery Logistics, connectedTo, Geofencing Implementation>
+<Flight Planning Software, automates, AI for Drone Autonomy>
+<Geofencing Implementation, licenses, Flight Planning Software>
+<Inspection, transmits, Swarm Robotics for Drones>
+<Payload Integration, manufactures, 3D Modeling from Drone Data>
+<Precision Agriculture, connectedTo, Airspace Management for Drones>
+<Remote Piloting Training, connectedTo, Precision Agriculture>
+<Swarm Robotics for Drones, repairs, Payload Integration>
diff --git a/test/diagrams/graph_easy/diagrams_268.txt b/test/diagrams/graph_easy/diagrams_268.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2a76d092f4935b322844efdc544390363cba6356
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_268.txt
@@ -0,0 +1,12 @@
+<Battery Management for EVs, regulates, Human_Machine Interface>
+<Cybersecurity for AVs, connectedTo, Perception System>
+<Fail_Safe Systems, designs, Vehicle_to_Vehicle Communication>
+<Hardware Design, connectedTo, Map Data Management>
+<Map Data Management, upgrades, Battery Management for EVs>
+<Motion Control, maintains, Traffic Sign Recognition>
+<Motion Control, predicts, Map Data Management>
+<Path Planning, connectedTo, Hardware Design>
+<Perception System, manufactures, Motion Control>
+<Regulatory Compliance, validates, Fail_Safe Systems>
+<Traffic Sign Recognition, connectedTo, Regulatory Compliance>
+<Vehicle_to_Vehicle Communication, warns, Path Planning>
diff --git a/test/diagrams/graph_easy/diagrams_270.txt b/test/diagrams/graph_easy/diagrams_270.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6280d8deadbb212747de948b03db6596fe74a46c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_270.txt
@@ -0,0 +1,8 @@
+<Accident Reconstruction for AVs, connectedTo, Data Collection and Annotation>
+<Cloud Connectivity for AVs, integrates, Vehicle Diagnostics>
+<Cloud Connectivity for AVs, transports, Public Acceptance and Trust>
+<Data Collection and Annotation, connectedTo, Cloud Connectivity for AVs>
+<Motion Control, connectedTo, Vehicle Diagnostics>
+<Public Acceptance and Trust, connectedTo, Automatic Emergency Braking>
+<Sensor Integration, drives, Motion Control>
+<Vehicle Diagnostics, learns, Accident Reconstruction for AVs>
diff --git a/test/diagrams/graph_easy/diagrams_271.dot b/test/diagrams/graph_easy/diagrams_271.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1bd002548e7c09517cec967385e91785b2ea452e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_271.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=BT
+	N0 [label="Parking Integration" color="#EAEFA5" fillcolor="#FDFCEB" shape=multipledocuments style=filled]
+	N1 [label="Car_sharing Services" color="#FF5722" fillcolor="#FFCCBC" shape=multipledocuments style=filled]
+	N2 [label="Policy Advocacy for Shared Mobility" color="#DCE775" fillcolor="#FCFCE7" shape=diamond style=filled]
+	N3 [label="Accessibility for Users" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	N4 [label="Sustainability Initiatives" color="#EAEFA5" fillcolor="#FDFCEB" shape=preparation style=filled]
+	N5 [label="Customer Support" color="#DCE775" fillcolor="#FCFCE7" shape=parallelogram style=filled]
+	N6 [label="Bike_sharing Services" color="#DCE775" fillcolor="#FCFCE7" shape=rect style=filled]
+	N7 [label="Vehicle Location Tracking" color="#DCE775" fillcolor="#FCFCE7" shape=hexagon style=filled]
+	N8 [label="Data Analytics for Usage Patterns" color="#FF5722" fillcolor="#FFCCBC" shape=parallelogram style=filled]
+	N9 [label="Ticketing and Fare Collection" color="#EAEFA5" fillcolor="#FDFCEB" shape=parallelogram style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#EAEFA5" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N4 -> N5 [color="#FF5722" penwidth=1.5 style=solid label="supports" dir=forward]
+	N5 -> N6 [color="#FF5722" penwidth=1.5 style=dashed label="innovates" dir=forward]
+	N6 -> N7 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="books" dir=forward]
+	N8 -> N9 [color="#DCE775" penwidth=1.5 style=dashed label="regulates" dir=forward]
+	N0 -> N8 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N7 -> N9 [color="#DCE775" penwidth=1.5 style=solid label="accesses" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_273.txt b/test/diagrams/graph_easy/diagrams_273.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fadebfb4933e51270b1589969a6bae46940b6eae
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_273.txt
@@ -0,0 +1,9 @@
+<Accessibility for Users, supports, Sustainability Initiatives>
+<Car_sharing Services, connectedTo, Parking Integration>
+<Carbon Emission Tracking, licenses, Accessibility for Users>
+<Fleet Management, connectedTo, Car_sharing Services>
+<Parking Integration, unlocks, Ticketing and Fare Collection>
+<Smart City Integration, secures, Dynamic Pricing>
+<Sustainability Initiatives, connectedTo, Fleet Management>
+<Ticketing and Fare Collection, analyzes, Dynamic Pricing>
+<Ticketing and Fare Collection, connectedTo, Smart City Integration>
diff --git a/test/diagrams/graph_easy/diagrams_275.dot b/test/diagrams/graph_easy/diagrams_275.dot
new file mode 100644
index 0000000000000000000000000000000000000000..44e269ced8a123804250b9679d82be73abf3e847
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_275.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TB
+	N0 [label="Barrier Gate Control" color="#2196F3" fillcolor="#BBDEFB" shape=predefinedprocess style=filled]
+	N1 [label="Event Parking Management" color="#FFC2C2" fillcolor="#FFEBEB" shape=multipledocuments style=filled]
+	N2 [label="Real_Time Information Display" color="#FFC2C2" fillcolor="#FFEBEB" shape=document style=filled]
+	N3 [label="Revenue Management" color="#2196F3" fillcolor="#BBDEFB" shape=vnode_shape style=filled]
+	N4 [label="Cloud_based Parking Platforms" color="#DCE775" fillcolor="#FCFCE7" shape=diamond style=filled]
+	N5 [label="Mobile Parking Apps" color="#DCE775" fillcolor="#FCFCE7" shape=parallelogram style=filled]
+	N6 [label="Violation Detection" color="#FFC2C2" fillcolor="#FFEBEB" shape=box style=filled]
+	N7 [label="Automated Parking Garages" color="#DCE775" fillcolor="#FCFCE7" shape=parallelogram style=filled]
+	N8 [label="Environmental Impact Monitoring" color="#DCE775" fillcolor="#FCFCE7" shape=action style=filled]
+	N9 [label="Space Detection" color="#DCE775" fillcolor="#FCFCE7" shape=preparation style=filled]
+	N10 [label="Intelligent Traffic Management Interaction" color="#FFC2C2" fillcolor="#FFEBEB" shape=diamond style=filled]
+	N11 [label="Data Analytics for Parking Usage" color="#2196F3" fillcolor="#BBDEFB" shape=diamond style=filled]
+	N0 -> N1 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#2196F3" penwidth=1.5 style=dashed label="integrates" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#DCE775" penwidth=1.5 style=dashed label="develops" dir=forward]
+	N4 -> N5 [color="#FFC2C2" penwidth=1.5 style=dashed label="guides" dir=forward]
+	N5 -> N6 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#2196F3" penwidth=1.5 style=dashed label="validates" dir=forward]
+	N7 -> N8 [color="#FFC2C2" penwidth=1.5 style=solid label="reports" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N6 -> N9 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N6 -> N11 [color="#000000" penwidth=1.5 style=solid label="repairs" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_275.txt b/test/diagrams/graph_easy/diagrams_275.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e4f8ac73bde24b1542b17aba8c216a267e8ad04c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_275.txt
@@ -0,0 +1,13 @@
+<Automated Parking Garages, reports, Environmental Impact Monitoring>
+<Barrier Gate Control, connectedTo, Event Parking Management>
+<Cloud_based Parking Platforms, guides, Mobile Parking Apps>
+<Environmental Impact Monitoring, connectedTo, Space Detection>
+<Event Parking Management, integrates, Real_Time Information Display>
+<Intelligent Traffic Management Interaction, analyzes, Data Analytics for Parking Usage>
+<Mobile Parking Apps, connectedTo, Violation Detection>
+<Real_Time Information Display, connectedTo, Revenue Management>
+<Revenue Management, develops, Cloud_based Parking Platforms>
+<Space Detection, connectedTo, Intelligent Traffic Management Interaction>
+<Violation Detection, connectedTo, Space Detection>
+<Violation Detection, repairs, Data Analytics for Parking Usage>
+<Violation Detection, validates, Automated Parking Garages>
diff --git a/test/diagrams/graph_easy/diagrams_276.dot b/test/diagrams/graph_easy/diagrams_276.dot
new file mode 100644
index 0000000000000000000000000000000000000000..59b5b15313e293b4b146562ee534c033e2df267d
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_276.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=LR
+	N0 [label="Barrier Gate Control" color="#4CAF50" fillcolor="#C8E6C9" shape=database style=filled]
+	N1 [label="Edge Computing for Parking Data" color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+	N2 [label="Cloud_based Parking Platforms" color="#4CAF50" fillcolor="#C8E6C9" shape=document style=filled]
+	N3 [label="Customer Support" color="#4CAF50" fillcolor="#C8E6C9" shape=document style=filled]
+	N4 [label="On_Street Parking Management" color="#FF9800" fillcolor="#FFE0B2" shape=action style=filled]
+	N5 [label="Space Detection" color="#FFC085" fillcolor="#FFDAB9" shape=predefinedprocess style=filled]
+	N6 [label="Automated Payment" color="#FF9800" fillcolor="#FFE0B2" shape=preparation style=filled]
+	N7 [label="Electric Vehicle Charging Integration" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+	N8 [label="Emergency Vehicle Access Management" color="#FF9800" fillcolor="#FFE0B2" shape=diamond style=filled]
+	N9 [label="Navigation to Open Space" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+	N10 [label="Fleet Parking Solutions" color="#FF9800" fillcolor="#FFE0B2" shape=rectangle style=filled]
+	N11 [label="Parking Guidance Systems" color="#FF9800" fillcolor="#FFE0B2" shape=rect style=filled]
+	N0 -> N1 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#4CAF50" penwidth=1.5 style=solid label="reserves" dir=forward]
+	N3 -> N4 [color="#4CAF50" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#4CAF50" penwidth=1.5 style=dashed label="pays" dir=forward]
+	N5 -> N6 [color="#FF9800" penwidth=1.5 style=dashed label="processes" dir=forward]
+	N6 -> N7 [color="#FFC085" penwidth=1.5 style=dashed label="detects" dir=forward]
+	N7 -> N8 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid label="installs" dir=forward]
+	N10 -> N11 [color="#4CAF50" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N9 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_28.dot b/test/diagrams/graph_easy/diagrams_28.dot
new file mode 100644
index 0000000000000000000000000000000000000000..16dccd5d4357ec214b72741fe1bec64a2f55affe
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_28.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=TB
+	N0 [label="Data Usage Logging" color="#92C79A" fillcolor="#E8F0EA" shape=document style=filled]
+	N1 [label="Service Complaint" color="#92C79A" fillcolor="#E8F0EA" shape=database style=filled]
+	N2 [label="Roaming Activation" color="#FFB74D" fillcolor="#FFF3E0" shape=diamond style=filled]
+	N3 [label="Customer Support" color="#FFA726" fillcolor="#FFF3E0" shape=preparation style=filled]
+	N4 [label="Broadband Provisioning" color="#92C79A" fillcolor="#E8F0EA" shape=action style=filled]
+	N5 [label="Technical Support Escalation" color="#FFA726" fillcolor="#FFF3E0" shape=hexagon style=filled]
+	N6 [label="Plan Selection" color="#92C79A" fillcolor="#E8F0EA" shape=multipledocuments style=filled]
+	N7 [label="Spectrum Management" color="#FFB74D" fillcolor="#FFF3E0" shape=action style=filled]
+	N8 [label="Payment Received" color="#FFA726" fillcolor="#FFF3E0" shape=hexagon style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="disconnects" dir=forward]
+	N2 -> N3 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="authenticates" dir=forward]
+	N4 -> N5 [color="#92C79A" penwidth=1.5 style=solid label="complains" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFA726" penwidth=1.5 style=dashed label="supports" dir=forward]
+	N7 -> N8 [color="#FFB74D" penwidth=1.5 style=solid label="regulates" dir=forward]
+	N6 -> N1 [color="#FFB74D" penwidth=1.5 style=solid label="records" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_28.txt b/test/diagrams/graph_easy/diagrams_28.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a9bc8c480db41b714a112c0074fa3955f42ffcfd
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_28.txt
@@ -0,0 +1,9 @@
+<Broadband Provisioning, complains, Technical Support Escalation>
+<Customer Support, authenticates, Broadband Provisioning>
+<Data Usage Logging, connectedTo, Service Complaint>
+<Plan Selection, records, Service Complaint>
+<Plan Selection, supports, Spectrum Management>
+<Roaming Activation, connectedTo, Customer Support>
+<Service Complaint, disconnects, Roaming Activation>
+<Spectrum Management, regulates, Payment Received>
+<Technical Support Escalation, connectedTo, Plan Selection>
diff --git a/test/diagrams/graph_easy/diagrams_280.dot b/test/diagrams/graph_easy/diagrams_280.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7421ded39a078e601a3018ac5fdc4e880070eb4c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_280.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TB
+	N0 [label="Cryptographic Security" color="#AED581" fillcolor="#F0F4C3" shape=action style=filled]
+	N1 [label="Accessibility Features" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+	N2 [label="Blockchain for Voting" color="#FFEB3B" fillcolor="#FFF9C4" shape=action style=filled]
+	N3 [label="Security Protocols" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+	N4 [label="Penetration Testing" color="#AED581" fillcolor="#F0F4C3" shape=rect style=filled]
+	N5 [label="Direct Recording Electronic Systems" color="#E91E63" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N6 [label="Hardware Tamper Detection" color="#E91E63" fillcolor="#FCE4EC" shape=rectangle style=filled]
+	N7 [label="Voter Privacy Protection" color="#AED581" fillcolor="#F0F4C3" shape=database style=filled]
+	N8 [label="Remote Voting Solutions" color="#FFEB3B" fillcolor="#FFF9C4" shape=database style=filled]
+	N9 [label="Anonymous Credential Systems" color="#FFEB3B" fillcolor="#FFF9C4" shape=hexagon style=filled]
+	N10 [label="Threat Modeling" color="#AED581" fillcolor="#F0F4C3" shape=multipledocuments style=filled]
+	N11 [label="Results Aggregation" color="#FFEB3B" fillcolor="#FFF9C4" shape=preparation style=filled]
+	N0 -> N1 [color="#FFEB3B" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#AED581" penwidth=1.5 style=dashed label="certifies" dir=forward]
+	N2 -> N3 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="reports" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#E91E63" penwidth=1.5 style=dashed label="transmits" dir=forward]
+	N8 -> N9 [color="#FFEB3B" penwidth=1.5 style=solid label="counts" dir=forward]
+	N9 -> N10 [color="#FFEB3B" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+	N11 -> N7 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N9 [color="#AED581" penwidth=1.5 style=dashed label="authenticates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_282.dot b/test/diagrams/graph_easy/diagrams_282.dot
new file mode 100644
index 0000000000000000000000000000000000000000..415a7de285e4fa926e41800212ff1f4b88db87d1
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_282.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=TB
+	N0 [label="Post_Election Audits" color="#42A5F5" fillcolor="#F1F8FF" shape=predefinedprocess style=filled]
+	N1 [label="Cybersecurity for Voting Systems" color="#42A5F5" fillcolor="#F1F8FF" shape=database style=filled]
+	N2 [label="Optical Scan Systems" color="#61CAC3" fillcolor="#C2E8E6" shape=rectangle style=filled]
+	N3 [label="Anonymous Credential Systems" color="#673AB7" fillcolor="#D1C4E9" shape=inputoutput style=filled]
+	N4 [label="Secure Data Transmission" color="#61CAC3" fillcolor="#C2E8E6" shape=multipledocuments style=filled]
+	N5 [label="Touchscreen Voting Machines" color="#673AB7" fillcolor="#D1C4E9" shape=parallelogram style=filled]
+	N6 [label="Results Aggregation" color="#61CAC3" fillcolor="#C2E8E6" shape=predefinedprocess style=filled]
+	N7 [label="Legal Framework Compliance" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
+	N8 [label="Auditability" color="#673AB7" fillcolor="#D1C4E9" shape=preparation style=filled]
+	N9 [label="Biometric Voter ID" color="#673AB7" fillcolor="#D1C4E9" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="complies" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="prevents" dir=forward]
+	N3 -> N4 [color="#42A5F5" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="stores" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#673AB7" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N3 [color="#000000" penwidth=1.5 style=solid label="tallies" dir=forward]
+	N4 -> N3 [color="#61CAC3" penwidth=1.5 style=solid label="transmits" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_29.txt b/test/diagrams/graph_easy/diagrams_29.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ede49b244fc5e93be82b59baa8a4d6b87554e10c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_29.txt
@@ -0,0 +1,9 @@
+<Fiber Optic Deployment, pays, Plan Renewal>
+<Issue Resolution, authenticates, Fiber Optic Deployment>
+<MMS Transmission, selects, Issue Resolution>
+<Payment Received, blocks, MMS Transmission>
+<Plan Renewal, connectedTo, Service Level Agreement>
+<Plan Selection, regulates, Payment Received>
+<Service Level Agreement, connectedTo, Plan Selection>
+<Technical Support Escalation, connectedTo, Payment Received>
+<Technical Support Escalation, generates, MMS Transmission>
diff --git a/test/diagrams/graph_easy/diagrams_292.dot b/test/diagrams/graph_easy/diagrams_292.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c94e6b12cb965e3147fd50433058c5ee79ff454d
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_292.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=LR
+	N0 [label="Authority Control for Archival Names" color="#73C6BC" fillcolor="#D0EFEE" shape=parallelogram style=filled]
+	N1 [label="Environmental Control" color="#B0C5CD" fillcolor="#DFE7EB" shape=vnode_shape style=filled]
+	N2 [label="Collection Management Policy" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N3 [label="Digitization of Records" color="#B0C5CD" fillcolor="#DFE7EB" shape=inputoutput style=filled]
+	N4 [label="Public Access Systems" color="#73C6BC" fillcolor="#D0EFEE" shape=inputoutput style=filled]
+	N5 [label="Digital Forensics for Archives" color="#B0C5CD" fillcolor="#DFE7EB" shape=rectangle style=filled]
+	N6 [label="Preservation Planning" color="#73C6BC" fillcolor="#D0EFEE" shape=box style=filled]
+	N7 [label="Appraisal and Selection" color="#A188D0" fillcolor="#DACBE3" shape=hexagon style=filled]
+	N8 [label="Born_Digital Archiving" color="#B0C5CD" fillcolor="#DFE7EB" shape=multipledocuments style=filled]
+	N9 [label="Intellectual Property Rights Management" color="#73C6BC" fillcolor="#D0EFEE" shape=rect style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="processes" dir=forward]
+	N4 -> N5 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="appraises" dir=forward]
+	N7 -> N8 [color="#73C6BC" penwidth=1.5 style=solid label="collects" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="digitizes" dir=forward]
+	N7 -> N3 [color="#B0C5CD" penwidth=1.5 style=dashed label="arranges" dir=forward]
+	N5 -> N1 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_293.dot b/test/diagrams/graph_easy/diagrams_293.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5fb8cbd5c4a0aab30d086268c9460c2439ee1e5b
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_293.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=BT
+	N0 [label="Public Access Systems" color="#FFCC80" fillcolor="#FFF0CC" shape=rect style=filled]
+	N1 [label="Acquisition and Accessioning" color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+	N2 [label="Ethical Use of Archival Materials" color="#FFCC80" fillcolor="#FFF0CC" shape=diamond style=filled]
+	N3 [label="Finding Aid Creation" color="#FFCC80" fillcolor="#FFF0CC" shape=action style=filled]
+	N4 [label="Records Transfer Processes" color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+	N5 [label="Web Archiving" color="#64B5F6" fillcolor="#E3F2FD" shape=predefinedprocess style=filled]
+	N6 [label="User Interface for Digital Archives" color="#64B5F6" fillcolor="#E3F2FD" shape=predefinedprocess style=filled]
+	N7 [label="Legal and Ethical Compliance" color="#EAEFA5" fillcolor="#FDFCEB" shape=vnode_shape style=filled]
+	N8 [label="Serialization and Item Control" color="#64B5F6" fillcolor="#E3F2FD" shape=rect style=filled]
+	N9 [label="Database Management" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N0 -> N1 [color="#EAEFA5" penwidth=1.5 style=dashed label="audits" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="implements" dir=forward]
+	N3 -> N4 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFCC80" penwidth=1.5 style=solid label="contextualizes" dir=forward]
+	N5 -> N6 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FFCC80" penwidth=1.5 style=solid label="procedures" dir=forward]
+	N8 -> N9 [color="#EAEFA5" penwidth=1.5 style=dashed label="governs" dir=forward]
+	N6 -> N0 [color="#FFCC80" penwidth=1.5 style=dashed label="describes" dir=forward]
+	N4 -> N9 [color="#EAEFA5" penwidth=1.5 style=dashed label="preserves" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_295.txt b/test/diagrams/graph_easy/diagrams_295.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1fef0127729e371a2a4a243f816776664453aca7
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_295.txt
@@ -0,0 +1,12 @@
+<3D Scanning of Artifacts, entertains, Augmented Reality Experiences>
+<Augmented Reality Experiences, curates, Cybersecurity for Museum Data>
+<Cybersecurity for Museum Data, models, Virtual Tours>
+<Exhibition Design, educates, Soundscape Design>
+<Exhibition Design, integrates, 3D Scanning of Artifacts>
+<Multisensory Exhibits, connectedTo, 3D Scanning of Artifacts>
+<Online Shop Integration, connectedTo, Educational Technology Integration>
+<Online Shop Integration, connectedTo, Robotics in Exhibits>
+<Robotics in Exhibits, connectedTo, Exhibition Design>
+<Soundscape Design, connectedTo, Multisensory Exhibits>
+<Virtual Tours, displays, Visitor Flow Analysis>
+<Visitor Flow Analysis, visualizes, Online Shop Integration>
diff --git a/test/diagrams/graph_easy/diagrams_298.dot b/test/diagrams/graph_easy/diagrams_298.dot
new file mode 100644
index 0000000000000000000000000000000000000000..331a26a527d0e97898677fab3b87daeb8c69947c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_298.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Export Control Compliance" color="#7E57C2" fillcolor="#D1C4E9" shape=box style=filled]
+	N1 [label="Information Security Compliance" color="#E91E63" fillcolor="#F8BBD0" shape=rectangle style=filled]
+	N2 [label="Monitoring and Enforcement" color="#7E57C2" fillcolor="#D1C4E9" shape=inputoutput style=filled]
+	N3 [label="Sanctions Compliance" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+	N4 [label="Conflict of Interest Management" color="#7E57C2" fillcolor="#D1C4E9" shape=inputoutput style=filled]
+	N5 [label="CSR Reporting" color="#7E57C2" fillcolor="#D1C4E9" shape=database style=filled]
+	N6 [label="Product Safety Compliance" color="#DCE775" fillcolor="#FCFCE7" shape=document style=filled]
+	N7 [label="Environmental Compliance" color="#7E57C2" fillcolor="#D1C4E9" shape=rect style=filled]
+	N0 -> N1 [color="#DCE775" penwidth=1.5 style=solid label="fairness" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="accountability" dir=forward]
+	N2 -> N3 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#7E57C2" penwidth=1.5 style=dashed label="trains" dir=forward]
+	N4 -> N5 [color="#E91E63" penwidth=1.5 style=solid label="responds" dir=forward]
+	N5 -> N6 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#E91E63" penwidth=1.5 style=solid label="counsels" dir=forward]
+	N5 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_301.txt b/test/diagrams/graph_easy/diagrams_301.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1ca9e93c894f519c43fe1aa86f9eaba1ada4915c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_301.txt
@@ -0,0 +1,10 @@
+<Crime Database Search, sketches, Toolmark Analysis>
+<Crime Scene Investigation, digital_forensics, Handwriting Analysis>
+<Cyber Crime Investigation, connectedTo, Crime Scene Investigation>
+<Cyber Crime Investigation, researches, Toolmark Analysis>
+<Document Examination, connectedTo, Crime Database Search>
+<Forensic Pathology, connectedTo, Document Examination>
+<Handwriting Analysis, consults, Crime Scene Investigation>
+<Handwriting Analysis, detects, Mobile Device Forensics>
+<Laboratory Analysis, audits, Forensic Pathology>
+<Mobile Device Forensics, crime_scenes, Laboratory Analysis>
diff --git a/test/diagrams/graph_easy/diagrams_302.dot b/test/diagrams/graph_easy/diagrams_302.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2a3bcd2bd632b65e465334753e90bbf146d5fb12
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_302.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=RL
+	N0 [label="Forensic Accounting" color="#FFC2C2" fillcolor="#FFEBEB" shape=document style=filled]
+	N1 [label="Evidence Collection" color="#CDDC39" fillcolor="#E6EE9C" shape=inputoutput style=filled]
+	N2 [label="Cyber Crime Investigation" color="#FFC2C2" fillcolor="#FFEBEB" shape=multipledocuments style=filled]
+	N3 [label="Cloud Forensics" color="#FFC2C2" fillcolor="#FFEBEB" shape=document style=filled]
+	N4 [label="Document Examination" color="#CDDC39" fillcolor="#E6EE9C" shape=inputoutput style=filled]
+	N5 [label="Crime Scene Investigation" color="#FFC2C2" fillcolor="#FFEBEB" shape=diamond style=filled]
+	N6 [label="Expert Witness Testimony" color="#FFC2C2" fillcolor="#FFEBEB" shape=hexagon style=filled]
+	N7 [label="DNA Profiling" color="#FFC2C2" fillcolor="#FFEBEB" shape=multipledocuments style=filled]
+	N8 [label="Digital Forensics" color="#FFC2C2" fillcolor="#FFEBEB" shape=parallelogram style=filled]
+	N9 [label="Handwriting Analysis" color="#CDDC39" fillcolor="#E6EE9C" shape=hexagon style=filled]
+	N10 [label="Ballistics Analysis" color="#A1D7CD" fillcolor="#EDF5F3" shape=inputoutput style=filled]
+	N11 [label="Forensic Botany" color="#CDDC39" fillcolor="#E6EE9C" shape=hexagon style=filled]
+	N0 -> N1 [color="#A1D7CD" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#CDDC39" penwidth=1.5 style=dashed label="consults" dir=forward]
+	N3 -> N4 [color="#A1D7CD" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#CDDC39" penwidth=1.5 style=solid label="sketches" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid label="validates" dir=forward]
+	N10 -> N11 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N5 -> N11 [color="#A1D7CD" penwidth=1.5 style=solid label="expert_testifies" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_303.dot b/test/diagrams/graph_easy/diagrams_303.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a702b641f9ff8d4bf5059a3d298d910a9e1926de
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_303.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Forensic Accounting" color="#F44336" fillcolor="#FFCDD2" shape=diamond style=filled]
+	N1 [label="Mobile Device Forensics" color="#F44336" fillcolor="#FFCDD2" shape=vnode_shape style=filled]
+	N2 [label="Forensic Entomology" color="#D2D2D2" fillcolor="#F0F0F0" shape=diamond style=filled]
+	N3 [label="Chain of Custody Management" color="#9FA9E1" fillcolor="#D6D9F0" shape=hexagon style=filled]
+	N4 [label="Fingerprint Analysis" color="#D2D2D2" fillcolor="#F0F0F0" shape=hexagon style=filled]
+	N5 [label="Forensic Photography" color="#9FA9E1" fillcolor="#D6D9F0" shape=vnode_shape style=filled]
+	N6 [label="Courtroom Presentation" color="#D2D2D2" fillcolor="#F0F0F0" shape=parallelogram style=filled]
+	N7 [label="Forensic Odontology" color="#F44336" fillcolor="#FFCDD2" shape=database style=filled]
+	N0 -> N1 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#9FA9E1" penwidth=1.5 style=solid label="ballistics" dir=forward]
+	N3 -> N4 [color="#D2D2D2" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="certifies" dir=forward]
+	N5 -> N6 [color="#9FA9E1" penwidth=1.5 style=solid label="evaluates" dir=forward]
+	N6 -> N7 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N2 [color="#9FA9E1" penwidth=1.5 style=dashed label="digital_forensics" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_303.txt b/test/diagrams/graph_easy/diagrams_303.txt
new file mode 100644
index 0000000000000000000000000000000000000000..06addd149976d6b13e6f352cc5ead8120bcc20dd
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_303.txt
@@ -0,0 +1,8 @@
+<Chain of Custody Management, connectedTo, Fingerprint Analysis>
+<Courtroom Presentation, connectedTo, Forensic Odontology>
+<Courtroom Presentation, digital_forensics, Forensic Entomology>
+<Fingerprint Analysis, certifies, Forensic Photography>
+<Forensic Accounting, connectedTo, Mobile Device Forensics>
+<Forensic Entomology, ballistics, Chain of Custody Management>
+<Forensic Photography, evaluates, Courtroom Presentation>
+<Mobile Device Forensics, connectedTo, Forensic Entomology>
diff --git a/test/diagrams/graph_easy/diagrams_304.dot b/test/diagrams/graph_easy/diagrams_304.dot
new file mode 100644
index 0000000000000000000000000000000000000000..867d4ae222c0e054dae4bf58604193f96fd26a36
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_304.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=TB
+	N0 [label="Information Sharing" color="#A1887F" fillcolor="#EFEBE9" shape=inputoutput style=filled]
+	N1 [label="Risk_Based Security Measures" color="#F7BEE0" fillcolor="#FAEBF3" shape=box style=filled]
+	N2 [label="Risk Analysis" color="#A1887F" fillcolor="#EFEBE9" shape=inputoutput style=filled]
+	N3 [label="Port Security" color="#BA68C8" fillcolor="#F3E5F5" shape=diamond style=filled]
+	N4 [label="Crisis Response Planning" color="#A1887F" fillcolor="#EFEBE9" shape=database style=filled]
+	N5 [label="Cybersecurity Defense" color="#BA68C8" fillcolor="#F3E5F5" shape=rect style=filled]
+	N6 [label="Legislation and Policy Development" color="#A1887F" fillcolor="#EFEBE9" shape=hexagon style=filled]
+	N7 [label="Training Exercises" color="#F7BEE0" fillcolor="#FAEBF3" shape=database style=filled]
+	N8 [label="Insider Threat Programs" color="#F7BEE0" fillcolor="#FAEBF3" shape=rect style=filled]
+	N9 [label="Vulnerability Assessment" color="#F7BEE0" fillcolor="#FAEBF3" shape=database style=filled]
+	N0 -> N1 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#BA68C8" penwidth=1.5 style=dashed label="international_cooperates" dir=forward]
+	N3 -> N4 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#F7BEE0" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N5 -> N6 [color="#F7BEE0" penwidth=1.5 style=dashed label="recoveries_supports" dir=forward]
+	N6 -> N7 [color="#A1887F" penwidth=1.5 style=solid label="resilience_builds" dir=forward]
+	N7 -> N8 [color="#A1887F" penwidth=1.5 style=solid label="risk_assesses" dir=forward]
+	N8 -> N9 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	N8 -> N4 [color="#BA68C8" penwidth=1.5 style=solid dir=forward]
+	N6 -> N2 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_307.dot b/test/diagrams/graph_easy/diagrams_307.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e45ef6d9df66a7c4632bcc1e0972b6734d716574
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_307.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TB
+	N0 [label="Security Personnel Operations" color="#8C9EFF" fillcolor="#D3D7EB" shape=predefinedprocess style=filled]
+	N1 [label="Facial Recognition Systems" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N2 [label="GPS Tracking" color="#8C9EFF" fillcolor="#D3D7EB" shape=database style=filled]
+	N3 [label="Border Surveillance" color="#8C9EFF" fillcolor="#D3D7EB" shape=database style=filled]
+	N4 [label="Wildlife Tracking" color="#80DDEA" fillcolor="#D3F7F9" shape=hexagon style=filled]
+	N5 [label="Asset Tracking" color="#8C9EFF" fillcolor="#D3D7EB" shape=diamond style=filled]
+	N6 [label="Real_time Alerts" color="#F7BEE0" fillcolor="#FAEBF3" shape=inputoutput style=filled]
+	N7 [label="CCTV Monitoring" color="#8C9EFF" fillcolor="#D3D7EB" shape=hexagon style=filled]
+	N8 [label="Physical Security Integration" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N9 [label="Thermal Imaging" color="#80DDEA" fillcolor="#D3F7F9" shape=hexagon style=filled]
+	N10 [label="Behavioral Analytics" color="#8C9EFF" fillcolor="#D3D7EB" shape=vnode_shape style=filled]
+	N11 [label="Predictive Policing" color="#F7BEE0" fillcolor="#FAEBF3" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#80DDEA" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#80DDEA" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#F7BEE0" penwidth=1.5 style=dashed label="controls" dir=forward]
+	N5 -> N6 [color="#8C9EFF" penwidth=1.5 style=dashed label="ethical_considers" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="searches" dir=forward]
+	N7 -> N8 [color="#8C9EFF" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N8 -> N9 [color="#F7BEE0" penwidth=1.5 style=solid label="captures" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#8C9EFF" penwidth=1.5 style=dashed label="integrates" dir=forward]
+	N1 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N0 [color="#80DDEA" penwidth=1.5 style=solid label="records" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_312.dot b/test/diagrams/graph_easy/diagrams_312.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3983a4efe574fd06f4f23e39495f24c6bfe6843d
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_312.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=TB
+	N0 [label="Crisis Intervention" color="#FFCC7A" fillcolor="#FFF6D9" shape=document style=filled]
+	N1 [label="Public Awareness Campaigns" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N2 [label="Situational Crime Prevention" color="#FF8A65" fillcolor="#FBE9E7" shape=diamond style=filled]
+	N3 [label="Fraud Prevention" color="#AB47BC" fillcolor="#F3E5F5" shape=predefinedprocess style=filled]
+	N4 [label="Mediation Services" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N5 [label="Restorative Justice" color="#FFCC7A" fillcolor="#FFF6D9" shape=rectangle style=filled]
+	N6 [label="Data Sharing Initiatives" color="#AB47BC" fillcolor="#F3E5F5" shape=multipledocuments style=filled]
+	N7 [label="Law Enforcement Training" color="#FF8A65" fillcolor="#FBE9E7" shape=rect style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="advises" dir=forward]
+	N2 -> N3 [color="#AB47BC" penwidth=1.5 style=dashed label="programs_initiates" dir=forward]
+	N3 -> N4 [color="#AB47BC" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	N5 -> N6 [color="#FF8A65" penwidth=1.5 style=dashed label="community_engages" dir=forward]
+	N6 -> N7 [color="#FF8A65" penwidth=1.5 style=solid label="rehabilitates_offenders" dir=forward]
+	N0 -> N3 [color="#AB47BC" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_313.dot b/test/diagrams/graph_easy/diagrams_313.dot
new file mode 100644
index 0000000000000000000000000000000000000000..20d845b4cefab8e432835cf490267cb8c3afd5e7
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_313.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Translocation of Species" color="#E91E63" fillcolor="#FCE4EC" shape=rectangle style=filled]
+	N1 [label="Climate Change Adaptation for Wildlife" color="#AB47BC" fillcolor="#F3E5F5" shape=database style=filled]
+	N2 [label="Ecosystem Services Valuation" color="#AB47BC" fillcolor="#F3E5F5" shape=inputoutput style=filled]
+	N3 [label="Ecotourism Management" color="#AB47BC" fillcolor="#F3E5F5" shape=predefinedprocess style=filled]
+	N4 [label="Human_Wildlife Conflict Mitigation" color="#E91E63" fillcolor="#FCE4EC" shape=vnode_shape style=filled]
+	N5 [label="Conservation Genetics" color="#FFD54F" fillcolor="#FFF8E1" shape=parallelogram style=filled]
+	N6 [label="Population Dynamics Study" color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N7 [label="Data Management for Conservation" color="#E91E63" fillcolor="#FCE4EC" shape=inputoutput style=filled]
+	N8 [label="Camera Trap Deployment" color="#FFD54F" fillcolor="#FFF8E1" shape=rectangle style=filled]
+	N9 [label="Disease Surveillance" color="#FFD54F" fillcolor="#FFF8E1" shape=vnode_shape style=filled]
+	N10 [label="Satellite Tracking of Animals" color="#AB47BC" fillcolor="#F3E5F5" shape=diamond style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FFD54F" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N2 -> N3 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#E91E63" penwidth=1.5 style=solid label="protects" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="researches" dir=forward]
+	N6 -> N7 [color="#E91E63" penwidth=1.5 style=dashed label="predicts_changes" dir=forward]
+	N7 -> N8 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid label="species_saves" dir=forward]
+	N6 -> N8 [color="#AB47BC" penwidth=1.5 style=solid label="secures_areas" dir=forward]
+	N3 -> N2 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_32.dot b/test/diagrams/graph_easy/diagrams_32.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f2e356ad8f3bb8378f78c702426ebe4375183d6e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_32.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=TB
+	N0 [label="Drone Scouting" color="#FFCC7A" fillcolor="#FFF6D9" shape=action style=filled]
+	N1 [label="Traceability System" color="#CB9BE1" fillcolor="#F2E6F5" shape=preparation style=filled]
+	N2 [label="Precision Farming" color="#EAEFA5" fillcolor="#FDFCEB" shape=rect style=filled]
+	N3 [label="Crop Rotation Planning" color="#CB9BE1" fillcolor="#F2E6F5" shape=multipledocuments style=filled]
+	N4 [label="Weather Tracking" color="#EAEFA5" fillcolor="#FDFCEB" shape=ellipse style=filled]
+	N5 [label="Farm Maintenance" color="#CB9BE1" fillcolor="#F2E6F5" shape=document style=filled]
+	N6 [label="Agricultural Research" color="#FFCC7A" fillcolor="#FFF6D9" shape=predefinedprocess style=filled]
+	N7 [label="Seed Sowing" color="#EAEFA5" fillcolor="#FDFCEB" shape=parallelogram style=filled]
+	N8 [label="Crop Monitoring" color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
+	N0 -> N1 [color="#FFCC7A" penwidth=1.5 style=solid label="rotates" dir=forward]
+	N1 -> N2 [color="#FFCC7A" penwidth=1.5 style=dashed label="removes" dir=forward]
+	N2 -> N3 [color="#CB9BE1" penwidth=1.5 style=solid label="waters" dir=forward]
+	N3 -> N4 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="researches" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N2 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_324.dot b/test/diagrams/graph_easy/diagrams_324.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9e4d0f5609c64677e78fbaaf91294a67636038ed
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_324.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=RL
+	N0 [label="Synthetic Genomics" color="#42A5F5" fillcolor="#F1F8FF" shape=rectangle style=filled]
+	N1 [label="Bioinformatics Pipeline Development" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N2 [label="Genomic Data Analysis" color="#42A5F5" fillcolor="#F1F8FF" shape=diamond style=filled]
+	N3 [label="Methylation Analysis" color="#42A5F5" fillcolor="#F1F8FF" shape=rect style=filled]
+	N4 [label="Pharmacogenomics" color="#A2D0FF" fillcolor="#E8F0FF" shape=predefinedprocess style=filled]
+	N5 [label="Genetic Testing" color="#B8C0F5" fillcolor="#ECF0FD" shape=parallelogram style=filled]
+	N6 [label="Variant Calling" color="#A2D0FF" fillcolor="#E8F0FF" shape=action style=filled]
+	N7 [label="Spatial Genomics" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N8 [label="Computational Genomics" color="#A2D0FF" fillcolor="#E8F0FF" shape=database style=filled]
+	N0 -> N1 [color="#B8C0F5" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N1 -> N2 [color="#B8C0F5" penwidth=1.5 style=dashed label="advises" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="identifies" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#B8C0F5" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="diagnoses" dir=forward]
+	N2 -> N7 [color="#42A5F5" penwidth=1.5 style=dashed label="shares_data" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_324.txt b/test/diagrams/graph_easy/diagrams_324.txt
new file mode 100644
index 0000000000000000000000000000000000000000..04291a6d29711f5348fa1df69871b1997cc13e39
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_324.txt
@@ -0,0 +1,9 @@
+<Bioinformatics Pipeline Development, advises, Genomic Data Analysis>
+<Genetic Testing, connectedTo, Variant Calling>
+<Genomic Data Analysis, identifies, Methylation Analysis>
+<Genomic Data Analysis, shares_data, Spatial Genomics>
+<Methylation Analysis, connectedTo, Pharmacogenomics>
+<Pharmacogenomics, connectedTo, Genetic Testing>
+<Spatial Genomics, diagnoses, Computational Genomics>
+<Synthetic Genomics, analyzes, Bioinformatics Pipeline Development>
+<Variant Calling, licenses, Spatial Genomics>
diff --git a/test/diagrams/graph_easy/diagrams_329.txt b/test/diagrams/graph_easy/diagrams_329.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ce7018d8e9752cc3837d2745d110070b0350e77d
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_329.txt
@@ -0,0 +1,11 @@
+<Author Attribution, reports, Language Translation for Text Mining>
+<Chatbot Development, connectedTo, Social Media Text Analysis>
+<Concept Extraction, sentiments, Chatbot Development>
+<Language Translation for Text Mining, applies, Text Similarity Analysis>
+<Natural Language Processing, connectedTo, Concept Extraction>
+<Natural Language Processing, transforms_data, Author Attribution>
+<Regular Expressions for Text, connectedTo, Spam Detection>
+<Social Media Text Analysis, connectedTo, Author Attribution>
+<Social Media Text Analysis, visualizes, Regular Expressions for Text>
+<Spam Detection, researches, Vector Space Models>
+<Text Similarity Analysis, connectedTo, Natural Language Processing>
diff --git a/test/diagrams/graph_easy/diagrams_334.txt b/test/diagrams/graph_easy/diagrams_334.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8fe0307546100efd485b9248382a1a7cdd78bcb3
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_334.txt
@@ -0,0 +1,13 @@
+<Automation Opportunity Identification, integrates_systems, Chatbot Integration>
+<Change Management for Automation, connectedTo, Document Processing Automation>
+<Change Management for Automation, monitors, Scripting for Automation>
+<Chatbot Integration, connectedTo, Compliance in Automation>
+<Compliance in Automation, consults, Change Management for Automation>
+<Document Processing Automation, optimizes, Process Mapping>
+<Orchestration of Processes, connectedTo, Scripting for Automation>
+<Performance Monitoring of Bots, improves_accuracy, Task Automation>
+<Robotic Process Automation Implementation, connectedTo, Performance Monitoring of Bots>
+<Scripting for Automation, connectedTo, Automation Opportunity Identification>
+<Security for Automation Bots, connectedTo, Robotic Process Automation Implementation>
+<Security for Automation Bots, notifications_sends, Document Processing Automation>
+<Task Automation, connectedTo, Orchestration of Processes>
diff --git a/test/diagrams/graph_easy/diagrams_336.dot b/test/diagrams/graph_easy/diagrams_336.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8fd69fb3b5485075495390f71e370ad5a309d90c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_336.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=BT
+	N0 [label="Audit Trail for Automation" color="#C2B2F0" fillcolor="#EFE6FF" shape=parallelogram style=filled]
+	N1 [label="Automated Data Validation" color="#C2B2F0" fillcolor="#EFE6FF" shape=inputoutput style=filled]
+	N2 [label="Automation Opportunity Identification" color="#795548" fillcolor="#D7CCC8" shape=preparation style=filled]
+	N3 [label="Intelligent Automation" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	N4 [label="Scripting for Automation" color="#FFC085" fillcolor="#FFDAB9" shape=preparation style=filled]
+	N5 [label="Report Generation Automation" color="#C2B2F0" fillcolor="#EFE6FF" shape=action style=filled]
+	N6 [label="Optical Character Recognition for Automation" color="#FFC085" fillcolor="#FFDAB9" shape=diamond style=filled]
+	N7 [label="Hyperautomation" color="#C2B2F0" fillcolor="#EFE6FF" shape=preparation style=filled]
+	N8 [label="Business Process Management" color="#FFC085" fillcolor="#FFDAB9" shape=diamond style=filled]
+	N9 [label="API Automation" color="#C2B2F0" fillcolor="#EFE6FF" shape=database style=filled]
+	N0 -> N1 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="AI_applies" dir=forward]
+	N2 -> N3 [color="#795548" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N3 -> N4 [color="#C2B2F0" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFC085" penwidth=1.5 style=solid label="data_processes" dir=forward]
+	N7 -> N8 [color="#C2B2F0" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#795548" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N7 [color="#795548" penwidth=1.5 style=solid label="improves" dir=forward]
+	N7 -> N0 [color="#795548" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_337.txt b/test/diagrams/graph_easy/diagrams_337.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f7c5367b21777fa365311389bba5299538121a9a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_337.txt
@@ -0,0 +1,13 @@
+<Automated Optical Inspection, connectedTo, Customer Feedback Analysis>
+<Component Inspection, verifies, Automated Optical Inspection>
+<Customer Feedback Analysis, collaborates, Supplier Quality Management>
+<ISO Certification, connectedTo, Component Inspection>
+<ISO Certification, connectedTo, Quality Assurance>
+<Lean Principles in Quality, reports_generates, Quality Assurance>
+<Metrology, connectedTo, Total Quality Management>
+<Non_Conformance Management, processes_optimizes, Metrology>
+<Quality Assurance, complies, Non_Conformance Management>
+<Quality Assurance, customer_satisfaction_ensures, Quality Data Analysis>
+<Quality Data Analysis, connectedTo, Regulatory Compliance for Quality>
+<Regulatory Compliance for Quality, connectedTo, Non_Conformance Management>
+<Supplier Quality Management, preventive_actions_applies, Lean Principles in Quality>
diff --git a/test/diagrams/graph_easy/diagrams_34.dot b/test/diagrams/graph_easy/diagrams_34.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fd0cee2a2ff2890a0887c19bd25abcc205f2b884
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_34.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=LR
+	N0 [label="Lost and Found Service" color="#AF56A6" fillcolor="#DDCEDD" shape=database style=filled]
+	N1 [label="Event Reservation" color="#FFDA4E" fillcolor="#FFE88D" shape=multipledocuments style=filled]
+	N2 [label="Photo Capture" color="#FFC2C2" fillcolor="#FFEBEB" shape=preparation style=filled]
+	N3 [label="Language Translation Service" color="#FFDA4E" fillcolor="#FFE88D" shape=inputoutput style=filled]
+	N4 [label="Hotel Check_in" color="#FFC2C2" fillcolor="#FFEBEB" shape=action style=filled]
+	N5 [label="Activity Booking" color="#FFDA4E" fillcolor="#FFE88D" shape=box style=filled]
+	N6 [label="Tourist Information Desk" color="#AF56A6" fillcolor="#DDCEDD" shape=rectangle style=filled]
+	N7 [label="Loyalty Program Enrollment" color="#AF56A6" fillcolor="#DDCEDD" shape=rect style=filled]
+	N8 [label="Cruise Ship Boarding" color="#AF56A6" fillcolor="#DDCEDD" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FFDA4E" penwidth=1.5 style=solid label="documents" dir=forward]
+	N2 -> N3 [color="#FFDA4E" penwidth=1.5 style=solid label="regulates" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFC2C2" penwidth=1.5 style=solid label="entertains" dir=forward]
+	N5 -> N6 [color="#AF56A6" penwidth=1.5 style=dashed label="assigns" dir=forward]
+	N6 -> N7 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FFC2C2" penwidth=1.5 style=solid label="assists" dir=forward]
+	N6 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_348.dot b/test/diagrams/graph_easy/diagrams_348.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8698dfcf1a3d04609f9d4abf65a7cc3de1f08b7e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_348.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=RL
+	N0 [label="Event Broadcasting" color="#E91E63" fillcolor="#FCE4EC" shape=vnode_shape style=filled]
+	N1 [label="Esports Team Ownership" color="#E91E63" fillcolor="#FCE4EC" shape=diamond style=filled]
+	N2 [label="League Management" color="#E91E63" fillcolor="#FCE4EC" shape=action style=filled]
+	N3 [label="Anti_Cheat Measures" color="#E91E63" fillcolor="#FCE4EC" shape=rectangle style=filled]
+	N4 [label="Media Rights Negotiation" color="#E91E63" fillcolor="#FCE4EC" shape=database style=filled]
+	N5 [label="Performance Analysis" color="#D2D2D2" fillcolor="#F0F0F0" shape=action style=filled]
+	N6 [label="Player Wellness Programs" color="#D2D2D2" fillcolor="#F0F0F0" shape=rectangle style=filled]
+	N7 [label="Team Management" color="#66BB6A" fillcolor="#E8F5E9" shape=database style=filled]
+	N8 [label="Gaming Hardware Optimization" color="#D2D2D2" fillcolor="#F0F0F0" shape=predefinedprocess style=filled]
+	N9 [label="Content Creation" color="#E91E63" fillcolor="#FCE4EC" shape=action style=filled]
+	N10 [label="Venue Setup" color="#D2D2D2" fillcolor="#F0F0F0" shape=diamond style=filled]
+	N11 [label="Nutrition for Esports Athletes" color="#D2D2D2" fillcolor="#F0F0F0" shape=hexagon style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="salaries_manages" dir=forward]
+	N1 -> N2 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#D2D2D2" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#66BB6A" penwidth=1.5 style=solid label="competes" dir=forward]
+	N7 -> N8 [color="#E91E63" penwidth=1.5 style=solid label="content_produces" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#66BB6A" penwidth=1.5 style=dashed label="performance_optimizes" dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed label="tickets_sells" dir=forward]
+	N11 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N4 [color="#E91E63" penwidth=1.5 style=solid label="integrity_ensures" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_351.txt b/test/diagrams/graph_easy/diagrams_351.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cfcf25ebec95a369b6d074250528ec581ec1443b
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_351.txt
@@ -0,0 +1,9 @@
+<Connectomics, connectedTo, Neural Network Analysis>
+<Genetic Basis of Brain Disorders, connectedTo, Connectomics>
+<Genetic Basis of Brain Disorders, connectedTo, Sleep Research>
+<Molecular Neuroscience, therapies_develops, Motor Control Research>
+<Motor Control Research, treats_disorders, Sensory Perception Research>
+<Neural Network Analysis, drugs_tests, Computational Neuroscience>
+<Sensory Perception Research, funds_raises, Sleep Research>
+<Sleep Research, maps, Systems Neuroscience>
+<Systems Neuroscience, complies, Genetic Basis of Brain Disorders>
diff --git a/test/diagrams/graph_easy/diagrams_353.dot b/test/diagrams/graph_easy/diagrams_353.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3e0f7f577a430e2b1eab8aae129b86e1981c3099
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_353.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=TB
+	N0 [label="Crowdsourcing for Heritage Data" color="#DCE775" fillcolor="#F9FBE7" shape=database style=filled]
+	N1 [label="Virtual Reality Recreations" color="#80DDEA" fillcolor="#D3F7F9" shape=action style=filled]
+	N2 [label="Restoration Techniques" color="#DCE775" fillcolor="#F9FBE7" shape=action style=filled]
+	N3 [label="3D Scanning of Artifacts" color="#DCE775" fillcolor="#F9FBE7" shape=diamond style=filled]
+	N4 [label="Oral History Collection" color="#80DDEA" fillcolor="#D3F7F9" shape=action style=filled]
+	N5 [label="Museum Collection Management" color="#DCE775" fillcolor="#F9FBE7" shape=rectangle style=filled]
+	N6 [label="Archival Management" color="#DCE775" fillcolor="#F9FBE7" shape=hexagon style=filled]
+	N7 [label="Illicit Trafficking Control" color="#90A4AE" fillcolor="#ECEFF1" shape=database style=filled]
+	N8 [label="Site Preservation" color="#DCE775" fillcolor="#F9FBE7" shape=hexagon style=filled]
+	N9 [label="Dating Techniques" color="#DCE775" fillcolor="#F9FBE7" shape=predefinedprocess style=filled]
+	N10 [label="Sustainable Heritage Management" color="#DCE775" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N0 -> N1 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#80DDEA" penwidth=1.5 style=dashed label="displays" dir=forward]
+	N3 -> N4 [color="#DCE775" penwidth=1.5 style=dashed label="audits" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="archives" dir=forward]
+	N5 -> N6 [color="#80DDEA" penwidth=1.5 style=dashed label="3D_scans" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="exhibits" dir=forward]
+	N7 -> N8 [color="#80DDEA" penwidth=1.5 style=solid label="promotes" dir=forward]
+	N8 -> N9 [color="#DCE775" penwidth=1.5 style=dashed label="knowledge_transfers" dir=forward]
+	N9 -> N10 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N7 -> N5 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N9 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_357.dot b/test/diagrams/graph_easy/diagrams_357.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bcab73507da271132c3a93ddcbf9a192ad0ec424
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_357.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=RL
+	N0 [label="Microbial Factories" color="#94C0C0" fillcolor="#CADEDE" shape=diamond style=filled]
+	N1 [label="Artificial Cells" color="#AABEC6" fillcolor="#E0E6E9" shape=parallelogram style=filled]
+	N2 [label="Synthetic Organism Design" color="#EAEFA5" fillcolor="#FDFCEB" shape=hexagon style=filled]
+	N3 [label="Vaccine Synthesis" color="#AABEC6" fillcolor="#E0E6E9" shape=diamond style=filled]
+	N4 [label="Risk Assessment" color="#AABEC6" fillcolor="#E0E6E9" shape=rectangle style=filled]
+	N5 [label="CRISPR_Cas System Optimization" color="#94C0C0" fillcolor="#CADEDE" shape=predefinedprocess style=filled]
+	N6 [label="Biofoundry Operations" color="#AABEC6" fillcolor="#E0E6E9" shape=inputoutput style=filled]
+	N7 [label="Synthetic Gene Networks" color="#EAEFA5" fillcolor="#FDFCEB" shape=database style=filled]
+	N8 [label="Biosensor Development" color="#AABEC6" fillcolor="#E0E6E9" shape=rect style=filled]
+	N9 [label="Public Engagement" color="#94C0C0" fillcolor="#CADEDE" shape=diamond style=filled]
+	N0 -> N1 [color="#AABEC6" penwidth=1.5 style=dashed label="purifies" dir=forward]
+	N1 -> N2 [color="#94C0C0" penwidth=1.5 style=dashed label="safety_ensures" dir=forward]
+	N2 -> N3 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#EAEFA5" penwidth=1.5 style=solid label="ethical_considers" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="pathways_constructs" dir=forward]
+	N7 -> N8 [color="#94C0C0" penwidth=1.5 style=solid label="data_processes" dir=forward]
+	N8 -> N9 [color="#EAEFA5" penwidth=1.5 style=solid label="DNA_sequences" dir=forward]
+	N4 -> N6 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_358.dot b/test/diagrams/graph_easy/diagrams_358.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b2cd6a3deb144994fc85fc3bf888c04bb02bac95
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_358.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=BT
+	N0 [label="Augmented Reality in Education" color="#FFF9AE" fillcolor="#FFFCE6" shape=parallelogram style=filled]
+	N1 [label="Open Educational Resources" color="#FFF9AE" fillcolor="#FFFCE6" shape=diamond style=filled]
+	N2 [label="Teacher Training Platforms" color="#AB47BC" fillcolor="#F3E5F5" shape=hexagon style=filled]
+	N3 [label="Professional Development for Educators" color="#4DD0E1" fillcolor="#C9F0F0" shape=preparation style=filled]
+	N4 [label="AI in Education" color="#4DD0E1" fillcolor="#C9F0F0" shape=parallelogram style=filled]
+	N5 [label="Formative Assessment Tools" color="#AB47BC" fillcolor="#F3E5F5" shape=database style=filled]
+	N6 [label="Competency_Based Learning Platforms" color="#AB47BC" fillcolor="#F3E5F5" shape=multipledocuments style=filled]
+	N7 [label="Virtual Reality in Education" color="#4DD0E1" fillcolor="#C9F0F0" shape=hexagon style=filled]
+	N8 [label="Educational Apps Development" color="#FFF9AE" fillcolor="#FFFCE6" shape=hexagon style=filled]
+	N9 [label="EdTech Hardware Solutions" color="#FFF9AE" fillcolor="#FFFCE6" shape=predefinedprocess style=filled]
+	N10 [label="Educational Data Mining" color="#AB47BC" fillcolor="#F3E5F5" shape=rect style=filled]
+	N11 [label="Social_Emotional Learning Tools" color="#4DD0E1" fillcolor="#C9F0F0" shape=box style=filled]
+	N0 -> N1 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#4DD0E1" penwidth=1.5 style=dashed label="students_supports" dir=forward]
+	N2 -> N3 [color="#4DD0E1" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFF9AE" penwidth=1.5 style=solid label="analyzes" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="markets" dir=forward]
+	N6 -> N7 [color="#AB47BC" penwidth=1.5 style=dashed label="implements" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#4DD0E1" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N2 [color="#AB47BC" penwidth=1.5 style=solid dir=forward]
+	N8 -> N1 [color="#AB47BC" penwidth=1.5 style=dashed label="teachers_trains" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_37.dot b/test/diagrams/graph_easy/diagrams_37.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b9f114cfd57fdd7845421e0c45640c8a9caaa782
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_37.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=RL
+	N0 [label="Renovation Planning" color="#E57373" fillcolor="#FFEBEE" shape=vnode_shape style=filled]
+	N1 [label="Offer Submission" color="#E57373" fillcolor="#FFEBEE" shape=inputoutput style=filled]
+	N2 [label="Agent Assignment" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N3 [label="Buyer Inquiry" color="#4DD0E1" fillcolor="#C9F0F0" shape=rectangle style=filled]
+	N4 [label="Property Marketing" color="#E57373" fillcolor="#FFEBEE" shape=parallelogram style=filled]
+	N5 [label="Zoning Compliance" color="#E57373" fillcolor="#FFEBEE" shape=diamond style=filled]
+	N6 [label="Contract Review" color="#B0C5CD" fillcolor="#DFE7EB" shape=hexagon style=filled]
+	N7 [label="Investment Property Analysis" color="#4DD0E1" fillcolor="#C9F0F0" shape=vnode_shape style=filled]
+	N8 [label="Property Tax Payment" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N0 -> N1 [color="#4DD0E1" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#B0C5CD" penwidth=1.5 style=solid label="lists" dir=forward]
+	N3 -> N4 [color="#B0C5CD" penwidth=1.5 style=solid label="rents" dir=forward]
+	N4 -> N5 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#B0C5CD" penwidth=1.5 style=solid label="surveys" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#E57373" penwidth=1.5 style=solid label="closes" dir=forward]
+	N3 -> N2 [color="#B0C5CD" penwidth=1.5 style=solid label="appraises" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_37.txt b/test/diagrams/graph_easy/diagrams_37.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e6ee7de70f300fab61ddaf1b3468a2b9dbc5ca09
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_37.txt
@@ -0,0 +1,9 @@
+<Agent Assignment, lists, Buyer Inquiry>
+<Buyer Inquiry, appraises, Agent Assignment>
+<Buyer Inquiry, rents, Property Marketing>
+<Contract Review, connectedTo, Investment Property Analysis>
+<Investment Property Analysis, closes, Property Tax Payment>
+<Offer Submission, connectedTo, Agent Assignment>
+<Property Marketing, connectedTo, Zoning Compliance>
+<Renovation Planning, connectedTo, Offer Submission>
+<Zoning Compliance, surveys, Contract Review>
diff --git a/test/diagrams/graph_easy/diagrams_38.txt b/test/diagrams/graph_easy/diagrams_38.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e325c17b8ecdd950e117b268aeacddd06258197e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_38.txt
@@ -0,0 +1,9 @@
+<Agent Assignment, buys, Lease Renewal>
+<Agent Assignment, connectedTo, Site Visit Scheduling>
+<Brokerage License Renewal, connectedTo, Offer Submission>
+<Maintenance Request, connectedTo, Tenant Screening>
+<Maintenance Request, sells, Tax Assessment>
+<Offer Submission, surveys, Tax Assessment>
+<Site Visit Scheduling, lists, Brokerage License Renewal>
+<Tax Assessment, complies, Maintenance Request>
+<Tenant Screening, rents, Agent Assignment>
diff --git a/test/diagrams/graph_easy/diagrams_41.dot b/test/diagrams/graph_easy/diagrams_41.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b88266c35b1d7a76f60387535a3da53170148c2e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_41.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=TB
+	N0 [label="Victim Support Services" color="#A2D0FF" fillcolor="#E8F0FF" shape=vnode_shape style=filled]
+	N1 [label="Traffic Control" color="#795548" fillcolor="#D7CCC8" shape=hexagon style=filled]
+	N2 [label="Resource Allocation" color="#A2D0FF" fillcolor="#E8F0FF" shape=hexagon style=filled]
+	N3 [label="First Aid Deployment" color="#795548" fillcolor="#D7CCC8" shape=inputoutput style=filled]
+	N4 [label="Hazard Detection" color="#795548" fillcolor="#D7CCC8" shape=document style=filled]
+	N5 [label="Emergency Dispatch" color="#3F51B5" fillcolor="#C5CAE9" shape=database style=filled]
+	N6 [label="Incident Reporting" color="#A2D0FF" fillcolor="#E8F0FF" shape=multipledocuments style=filled]
+	N7 [label="Drug Interdiction" color="#795548" fillcolor="#D7CCC8" shape=ellipse style=filled]
+	N8 [label="Crime Scene Analysis" color="#A2D0FF" fillcolor="#E8F0FF" shape=ellipse style=filled]
+	N9 [label="Public Safety Training" color="#A2D0FF" fillcolor="#E8F0FF" shape=vnode_shape style=filled]
+	N10 [label="Disaster Relief Coordination" color="#3F51B5" fillcolor="#C5CAE9" shape=database style=filled]
+	N0 -> N1 [color="#795548" penwidth=1.5 style=dashed label="equips" dir=forward]
+	N1 -> N2 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#795548" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#3F51B5" penwidth=1.5 style=solid label="certifies" dir=forward]
+	N4 -> N5 [color="#795548" penwidth=1.5 style=solid label="debriefs" dir=forward]
+	N5 -> N6 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#795548" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed label="coordinates" dir=forward]
+	N7 -> N3 [color="#000000" penwidth=1.5 style=dashed label="communicates" dir=forward]
+	N2 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_45.dot b/test/diagrams/graph_easy/diagrams_45.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f4476c18419173605b9012496c560345e68c4371
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_45.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=TB
+	N0 [label="Scene Scheduling" color="#9C27B0" fillcolor="#E1BEE7" shape=rect style=filled]
+	N1 [label="Stunt Coordination" color="#9C27B0" fillcolor="#E1BEE7" shape=rect style=filled]
+	N2 [label="Fan Engagement Strategy" color="#9C27B0" fillcolor="#E1BEE7" shape=database style=filled]
+	N3 [label="Red Carpet Event" color="#D2D2D2" fillcolor="#F0F0F0" shape=vnode_shape style=filled]
+	N4 [label="Licensing Approval" color="#FF8A65" fillcolor="#FBE9E7" shape=document style=filled]
+	N5 [label="Scene Shooting" color="#FF8A65" fillcolor="#FBE9E7" shape=predefinedprocess style=filled]
+	N6 [label="Budget Planning" color="#9C27B0" fillcolor="#E1BEE7" shape=multipledocuments style=filled]
+	N7 [label="Marketing Campaign" color="#D2D2D2" fillcolor="#F0F0F0" shape=parallelogram style=filled]
+	N8 [label="Post_Production Audio Mixing" color="#FF8A65" fillcolor="#FBE9E7" shape=multipledocuments style=filled]
+	N9 [label="Casting Call" color="#9C27B0" fillcolor="#E1BEE7" shape=hexagon style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="writes" dir=forward]
+	N1 -> N2 [color="#D2D2D2" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FF8A65" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#D2D2D2" penwidth=1.5 style=dashed label="casts" dir=forward]
+	N4 -> N5 [color="#9C27B0" penwidth=1.5 style=dashed label="preserves" dir=forward]
+	N5 -> N6 [color="#9C27B0" penwidth=1.5 style=solid label="screens" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="auditions" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="performs" dir=forward]
+	N8 -> N9 [color="#9C27B0" penwidth=1.5 style=dashed label="protects" dir=forward]
+	N8 -> N6 [color="#9C27B0" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_49.dot b/test/diagrams/graph_easy/diagrams_49.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5de895472671b12c9f2db4848aa25a46961ed3ac
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_49.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=TB
+	N0 [label="Emergency Preparedness" color="#82DAFF" fillcolor="#C8EDFF" shape=rect style=filled]
+	N1 [label="Grant Distribution" color="#82DAFF" fillcolor="#C8EDFF" shape=vnode_shape style=filled]
+	N2 [label="Urban Planning" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
+	N3 [label="Interdepartmental Approval" color="#FFC107" fillcolor="#FFECB3" shape=predefinedprocess style=filled]
+	N4 [label="Social Program Review" color="#82DAFF" fillcolor="#C8EDFF" shape=document style=filled]
+	N5 [label="Public Records Request" color="#FF8A65" fillcolor="#FBE9E7" shape=rect style=filled]
+	N6 [label="Infrastructure Planning" color="#FFC107" fillcolor="#FFECB3" shape=preparation style=filled]
+	N7 [label="Public Sector Procurement" color="#82DAFF" fillcolor="#C8EDFF" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="communicates" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FF8A65" penwidth=1.5 style=solid label="registers" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="secures" dir=forward]
+	N6 -> N7 [color="#82DAFF" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N0 [color="#FF8A65" penwidth=1.5 style=dashed label="plans" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_50.dot b/test/diagrams/graph_easy/diagrams_50.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1978e3dd7cd06eea3fdf90fb1b542c705a00360e
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_50.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=LR
+	N0 [label="National Defense" color="#388E3C" fillcolor="#F1F8E9" shape=multipledocuments style=filled]
+	N1 [label="Education Policy" color="#64B5F6" fillcolor="#E3F2FD" shape=document style=filled]
+	N2 [label="Policy Drafting" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	N3 [label="Urban Planning" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N4 [label="Social Security Administration" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+	N5 [label="Transparency Audit" color="#388E3C" fillcolor="#F1F8E9" shape=vnode_shape style=filled]
+	N6 [label="Public Records Request" color="#FFCC80" fillcolor="#FFF0CC" shape=action style=filled]
+	N7 [label="Permit Application" color="#388E3C" fillcolor="#F1F8E9" shape=hexagon style=filled]
+	N8 [label="Vehicle Registration" color="#FFCC80" fillcolor="#FFF0CC" shape=box style=filled]
+	N0 -> N1 [color="#64B5F6" penwidth=1.5 style=dashed label="enacts" dir=forward]
+	N1 -> N2 [color="#388E3C" penwidth=1.5 style=dashed label="evaluates" dir=forward]
+	N2 -> N3 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFCC80" penwidth=1.5 style=solid label="administers" dir=forward]
+	N4 -> N5 [color="#FFCC80" penwidth=1.5 style=dashed label="funds" dir=forward]
+	N5 -> N6 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFCC80" penwidth=1.5 style=dashed label="allocates" dir=forward]
+	N7 -> N8 [color="#388E3C" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	N4 -> N6 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N0 -> N3 [color="#FFCC80" penwidth=1.5 style=dashed label="subsidizes" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_52.txt b/test/diagrams/graph_easy/diagrams_52.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a8e35b74e02bcbcb6263ba18bd793a2d6cd0566a
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_52.txt
@@ -0,0 +1,8 @@
+<Barcode Scanning, tracks, Daily Report Generation>
+<Customer Loyalty Analytics, connectedTo, Visual Merchandising>
+<Daily Report Generation, connectedTo, Payment Processing>
+<Staff Training, forecasts, Barcode Scanning>
+<Supplier Coordination, personalizes, Staff Training>
+<Visual Merchandising, inventories, Barcode Scanning>
+<Visual Merchandising, serves, Warehouse Picking>
+<Warehouse Picking, connectedTo, Supplier Coordination>
diff --git a/test/diagrams/graph_easy/diagrams_63.dot b/test/diagrams/graph_easy/diagrams_63.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f82dd88a28e9f74f337d235e53588a8d207ddd6d
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_63.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Healthcare Provider Network Management" color="#FF8A65" fillcolor="#FBE9E7" shape=inputoutput style=filled]
+	N1 [label="Property Damage Assessment" color="#FF8A65" fillcolor="#FBE9E7" shape=ellipse style=filled]
+	N2 [label="Legal Review of Claims" color="#00BCD4" fillcolor="#E0F7FA" shape=hexagon style=filled]
+	N3 [label="Underwriting" color="#00BCD4" fillcolor="#E0F7FA" shape=vnode_shape style=filled]
+	N4 [label="Loss Prevention" color="#00BCD4" fillcolor="#E0F7FA" shape=vnode_shape style=filled]
+	N5 [label="Third_Party Administrator Liaison" color="#00BCD4" fillcolor="#E0F7FA" shape=document style=filled]
+	N6 [label="Policy Issuance" color="#FF8A65" fillcolor="#FBE9E7" shape=preparation style=filled]
+	N7 [label="Digital Policy Management" color="#00BCD4" fillcolor="#E0F7FA" shape=database style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#00BCD4" penwidth=1.5 style=dashed label="automates" dir=forward]
+	N2 -> N3 [color="#00BCD4" penwidth=1.5 style=solid label="advises" dir=forward]
+	N3 -> N4 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FF8A65" penwidth=1.5 style=solid label="processes" dir=forward]
+	N6 -> N7 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N2 [color="#000000" penwidth=1.5 style=dashed label="educates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_64.txt b/test/diagrams/graph_easy/diagrams_64.txt
new file mode 100644
index 0000000000000000000000000000000000000000..69304a66c2be7d58beb9a4f605b656f12cfc5e35
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_64.txt
@@ -0,0 +1,8 @@
+<DevSecOps Integration, threatens, Security Operations Center Monitoring>
+<Firewall Configuration, audits, DevSecOps Integration>
+<Firewall Configuration, connectedTo, Security Patch Management>
+<Incident Response, detects, Security Awareness Training>
+<Security Operations Center Monitoring, authorizes, Firewall Configuration>
+<Security Patch Management, connectedTo, Vulnerability Assessment>
+<Supply Chain Security, connectedTo, DevSecOps Integration>
+<Vulnerability Assessment, connectedTo, Incident Response>
diff --git a/test/diagrams/graph_easy/diagrams_66.dot b/test/diagrams/graph_easy/diagrams_66.dot
new file mode 100644
index 0000000000000000000000000000000000000000..60cb39e81df606e90dbbd7f7e2998e93953b2908
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_66.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=LR
+	N0 [label="Security Patch Management" color="#E0E0E0" fillcolor="#EBEBEB" shape=ellipse style=filled]
+	N1 [label="Application Security" color="#AABEC6" fillcolor="#E0E6E9" shape=vnode_shape style=filled]
+	N2 [label="Physical Security Integration" color="#FF5722" fillcolor="#FFCCBC" shape=document style=filled]
+	N3 [label="Supply Chain Security" color="#AABEC6" fillcolor="#E0E6E9" shape=vnode_shape style=filled]
+	N4 [label="Mobile Security" color="#FF5722" fillcolor="#FFCCBC" shape=diamond style=filled]
+	N5 [label="Cloud Security" color="#AABEC6" fillcolor="#E0E6E9" shape=inputoutput style=filled]
+	N6 [label="Malware Analysis" color="#AABEC6" fillcolor="#E0E6E9" shape=document style=filled]
+	N7 [label="Antivirus Management" color="#FF5722" fillcolor="#FFCCBC" shape=inputoutput style=filled]
+	N8 [label="Access Control" color="#AABEC6" fillcolor="#E0E6E9" shape=preparation style=filled]
+	N9 [label="Security Audit" color="#E0E0E0" fillcolor="#EBEBEB" shape=predefinedprocess style=filled]
+	N10 [label="Risk Management Framework" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+	N0 -> N1 [color="#AABEC6" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#E0E0E0" penwidth=1.5 style=solid label="notifies" dir=forward]
+	N2 -> N3 [color="#FF5722" penwidth=1.5 style=dashed label="designs" dir=forward]
+	N3 -> N4 [color="#E0E0E0" penwidth=1.5 style=dashed label="isolates" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#E0E0E0" penwidth=1.5 style=solid label="tests" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="incidents" dir=forward]
+	N7 -> N8 [color="#E0E0E0" penwidth=1.5 style=solid label="patches" dir=forward]
+	N8 -> N9 [color="#AABEC6" penwidth=1.5 style=dashed label="audits" dir=forward]
+	N9 -> N10 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N1 -> N9 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_7.dot b/test/diagrams/graph_easy/diagrams_7.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b2f992027c8311873d8a752de5f1e04007936f2c
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_7.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=BT
+	N0 [label="Packaging" color="#90A4AE" fillcolor="#ECEFF1" shape=diamond style=filled]
+	N1 [label="Logistics Planning" color="#90A4AE" fillcolor="#ECEFF1" shape=action style=filled]
+	N2 [label="Product Design" color="#90A4AE" fillcolor="#ECEFF1" shape=inputoutput style=filled]
+	N3 [label="Automated Assembly" color="#F7BEE0" fillcolor="#FAEBF3" shape=ellipse style=filled]
+	N4 [label="Shipping" color="#90A4AE" fillcolor="#ECEFF1" shape=rect style=filled]
+	N5 [label="Yield Optimization" color="#F7BEE0" fillcolor="#FAEBF3" shape=action style=filled]
+	N6 [label="Design Review" color="#90A4AE" fillcolor="#ECEFF1" shape=ellipse style=filled]
+	N7 [label="Recycling Process" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N8 [label="Environmental Compliance" color="#26A69A" fillcolor="#E0F2F1" shape=hexagon style=filled]
+	N9 [label="Batch Tracking" color="#F7BEE0" fillcolor="#FAEBF3" shape=database style=filled]
+	N0 -> N1 [color="#26A69A" penwidth=1.5 style=solid label="checks" dir=forward]
+	N1 -> N2 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#26A69A" penwidth=1.5 style=solid label="processes" dir=forward]
+	N3 -> N4 [color="#26A69A" penwidth=1.5 style=dashed label="integrates" dir=forward]
+	N4 -> N5 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="receives" dir=forward]
+	N6 -> N7 [color="#F7BEE0" penwidth=1.5 style=dashed label="orders" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#26A69A" penwidth=1.5 style=dashed label="cuts" dir=forward]
+	N9 -> N8 [color="#F7BEE0" penwidth=1.5 style=dashed label="plans" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_79.txt b/test/diagrams/graph_easy/diagrams_79.txt
new file mode 100644
index 0000000000000000000000000000000000000000..aa4262e040988ed599e16fe338426704ad0e76af
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_79.txt
@@ -0,0 +1,10 @@
+<Agricultural Robotics, connectedTo, Learning Algorithms>
+<Calibration, disassembles, Force Control>
+<Calibration, simulates, Learning Algorithms>
+<Force Control, assists, Grasping and Manipulation>
+<Grasping and Manipulation, connectedTo, Agricultural Robotics>
+<Kinematics and Dynamics, moves, Robotics Simulation>
+<Learning Algorithms, connectedTo, Software Development>
+<Learning Algorithms, lifts, Robotics Simulation>
+<Path Planning, connectedTo, Kinematics and Dynamics>
+<Robotics Simulation, learns, Calibration>
diff --git a/test/diagrams/graph_easy/diagrams_80.dot b/test/diagrams/graph_easy/diagrams_80.dot
new file mode 100644
index 0000000000000000000000000000000000000000..45b69eee5238ab01075425ed85037c4d905ba984
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_80.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=RL
+	N0 [label="Swarm Robotics" color="#66BB6A" fillcolor="#E8F5E9" shape=multipledocuments style=filled]
+	N1 [label="Field Deployment" color="#6FE1D5" fillcolor="#C9EFEC" shape=document style=filled]
+	N2 [label="Battery Management" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+	N3 [label="Underwater Robotics" color="#66BB6A" fillcolor="#E8F5E9" shape=multipledocuments style=filled]
+	N4 [label="Robot Programming" color="#66BB6A" fillcolor="#E8F5E9" shape=database style=filled]
+	N5 [label="Drone Control" color="#66BB6A" fillcolor="#E8F5E9" shape=rect style=filled]
+	N6 [label="Exoskeleton Development" color="#6FE1D5" fillcolor="#C9EFEC" shape=database style=filled]
+	N7 [label="Wireless Communication" color="#6FE1D5" fillcolor="#C9EFEC" shape=inputoutput style=filled]
+	N8 [label="Grasping and Manipulation" color="#6FE1D5" fillcolor="#C9EFEC" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#66BB6A" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#6FE1D5" penwidth=1.5 style=dashed label="controls" dir=forward]
+	N3 -> N4 [color="#66BB6A" penwidth=1.5 style=solid label="inspects" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#7E57C2" penwidth=1.5 style=dashed label="updates" dir=forward]
+	N6 -> N7 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N1 -> N4 [color="#000000" penwidth=1.5 style=dashed label="automates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_82.txt b/test/diagrams/graph_easy/diagrams_82.txt
new file mode 100644
index 0000000000000000000000000000000000000000..62c5d29860963a1e438728d18ebace5bccd355f4
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_82.txt
@@ -0,0 +1,10 @@
+<BIM Modeling, connectedTo, Sustainable Building Design>
+<Blueprint Review, estimates, Interior Finishing>
+<Change Order Management, connectedTo, Pre_fabrication>
+<Demolition, consults, Change Order Management>
+<HVAC Installation, connectedTo, BIM Modeling>
+<HVAC Installation, safety, Sustainable Building Design>
+<Interior Finishing, connectedTo, HVAC Installation>
+<Post_Construction Handover, renovates, Demolition>
+<Pre_fabrication, contracts, Blueprint Review>
+<Subcontractor Management, inspects, Post_Construction Handover>
diff --git a/test/diagrams/graph_easy/diagrams_88.txt b/test/diagrams/graph_easy/diagrams_88.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3dd8a0a038c83c1564d04760274f61eef6bc5d5b
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_88.txt
@@ -0,0 +1,12 @@
+<Allergen Management, connectedTo, Restaurant Reservation System>
+<Baking, connectedTo, Food Preparation>
+<Brewing, distributes, Baking>
+<Cooking, brands, Food Preparation>
+<Cooking, connectedTo, Dietary Requirement Accommodation>
+<Dietary Requirement Accommodation, prepares, Food Processing Automation>
+<Food Preparation, connectedTo, Inventory Management>
+<Food Preparation, transports, Restaurant Reservation System>
+<Food Safety Inspection, connectedTo, Brewing>
+<Inventory Management, delivers, Menu Planning>
+<Menu Planning, connectedTo, Cooking>
+<Restaurant Reservation System, packages, Food Safety Inspection>
diff --git a/test/diagrams/graph_easy/diagrams_89.dot b/test/diagrams/graph_easy/diagrams_89.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f625db781de2806f50fe08f4de6437c4749898fd
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_89.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=LR
+	N0 [label="Service Delivery" color="#DCE775" fillcolor="#F9FBE7" shape=rectangle style=filled]
+	N1 [label="Food Safety Inspection" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+	N2 [label="Sensory Evaluation" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	N3 [label="Regulatory Compliance" color="#DCE775" fillcolor="#F9FBE7" shape=vnode_shape style=filled]
+	N4 [label="Allergen Management" color="#FFDA4E" fillcolor="#FFE88D" shape=parallelogram style=filled]
+	N5 [label="Brewing" color="#81C784" fillcolor="#F1F8E9" shape=rectangle style=filled]
+	N6 [label="Product Shelf_Life Testing" color="#DCE775" fillcolor="#F9FBE7" shape=vnode_shape style=filled]
+	N7 [label="Ingredient Traceability" color="#FFDA4E" fillcolor="#FFE88D" shape=database style=filled]
+	N8 [label="Nutrition Analysis" color="#81C784" fillcolor="#F1F8E9" shape=database style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="audits" dir=forward]
+	N1 -> N2 [color="#DCE775" penwidth=1.5 style=solid label="develops" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFDA4E" penwidth=1.5 style=dashed label="grows" dir=forward]
+	N4 -> N5 [color="#81C784" penwidth=1.5 style=dashed label="cooks" dir=forward]
+	N5 -> N6 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#81C784" penwidth=1.5 style=dashed label="packages" dir=forward]
+	N7 -> N8 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N8 -> N4 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N0 -> N6 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_89.txt b/test/diagrams/graph_easy/diagrams_89.txt
new file mode 100644
index 0000000000000000000000000000000000000000..153827b634b92c29a67080f1d12e9a27ce724dae
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_89.txt
@@ -0,0 +1,10 @@
+<Allergen Management, cooks, Brewing>
+<Brewing, connectedTo, Product Shelf_Life Testing>
+<Food Safety Inspection, develops, Sensory Evaluation>
+<Ingredient Traceability, connectedTo, Nutrition Analysis>
+<Nutrition Analysis, connectedTo, Allergen Management>
+<Product Shelf_Life Testing, packages, Ingredient Traceability>
+<Regulatory Compliance, grows, Allergen Management>
+<Sensory Evaluation, connectedTo, Regulatory Compliance>
+<Service Delivery, audits, Food Safety Inspection>
+<Service Delivery, connectedTo, Product Shelf_Life Testing>
diff --git a/test/diagrams/graph_easy/diagrams_92.txt b/test/diagrams/graph_easy/diagrams_92.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e2050e178154ec9987dec031d2e0f95c45689fa9
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_92.txt
@@ -0,0 +1,12 @@
+<Anti_Doping Control, builds, Fitness Conditioning>
+<Anti_Doping Control, connectedTo, Sports Marketing>
+<Community Sports Programs, medicates, Esports Event Management>
+<Data Analytics in Sports, maintains, Fitness Conditioning>
+<Esports Event Management, connectedTo, Data Analytics in Sports>
+<Fan Engagement, connectedTo, Anti_Doping Control>
+<Fan Experience Enhancement, connectedTo, Sponsorship Management>
+<Sponsorship Management, connectedTo, Fan Engagement>
+<Sports Analytics, sponsors, Sports Psychology>
+<Sports Marketing, connectedTo, Anti_Doping Control>
+<Sports Marketing, connectedTo, Sports Analytics>
+<Sports Psychology, markets, Community Sports Programs>
diff --git a/test/diagrams/graph_easy/diagrams_98.dot b/test/diagrams/graph_easy/diagrams_98.dot
new file mode 100644
index 0000000000000000000000000000000000000000..328253b5e2bdf3f91f71985d82614a27ea5dee35
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_98.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=LR
+	N0 [label="Employee Handbook Creation" color="#FFE69C" fillcolor="#FFF9D4" shape=inputoutput style=filled]
+	N1 [label="Team Building Activities" color="#7E57C2" fillcolor="#D1C4E9" shape=multipledocuments style=filled]
+	N2 [label="Exit Interviews" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	N3 [label="Employee Engagement Surveys" color="#D2D2D2" fillcolor="#F0F0F0" shape=hexagon style=filled]
+	N4 [label="Employee Data Management" color="#7E57C2" fillcolor="#D1C4E9" shape=database style=filled]
+	N5 [label="Compensation and Benefits" color="#FFE69C" fillcolor="#FFF9D4" shape=action style=filled]
+	N6 [label="Skill Development Programs" color="#D2D2D2" fillcolor="#F0F0F0" shape=action style=filled]
+	N7 [label="Recruitment Planning" color="#FFE69C" fillcolor="#FFF9D4" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="analyzes" dir=forward]
+	N2 -> N3 [color="#D2D2D2" penwidth=1.5 style=solid label="strategies" dir=forward]
+	N3 -> N4 [color="#7E57C2" penwidth=1.5 style=dashed label="surveys" dir=forward]
+	N4 -> N5 [color="#FFE69C" penwidth=1.5 style=dashed label="plans" dir=forward]
+	N5 -> N6 [color="#7E57C2" penwidth=1.5 style=solid label="disciplines" dir=forward]
+	N6 -> N7 [color="#D2D2D2" penwidth=1.5 style=dashed label="mediates" dir=forward]
+	N6 -> N4 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N7 -> N6 [color="#D2D2D2" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/graph_easy/diagrams_98.txt b/test/diagrams/graph_easy/diagrams_98.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ddb5de2ff41ab4fc625fb69ede990e4c4d16fa36
--- /dev/null
+++ b/test/diagrams/graph_easy/diagrams_98.txt
@@ -0,0 +1,9 @@
+<Compensation and Benefits, disciplines, Skill Development Programs>
+<Employee Data Management, plans, Compensation and Benefits>
+<Employee Engagement Surveys, surveys, Employee Data Management>
+<Employee Handbook Creation, connectedTo, Team Building Activities>
+<Exit Interviews, strategies, Employee Engagement Surveys>
+<Recruitment Planning, connectedTo, Skill Development Programs>
+<Skill Development Programs, connectedTo, Employee Data Management>
+<Skill Development Programs, mediates, Recruitment Planning>
+<Team Building Activities, analyzes, Exit Interviews>
diff --git a/test/diagrams/graph_medium/diagrams_10.png b/test/diagrams/graph_medium/diagrams_10.png
new file mode 100644
index 0000000000000000000000000000000000000000..2da370315096e8594f2280c653b1922ddf6c6025
--- /dev/null
+++ b/test/diagrams/graph_medium/diagrams_10.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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diff --git a/test/diagrams/graph_medium/diagrams_100.png b/test/diagrams/graph_medium/diagrams_100.png
new file mode 100644
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--- /dev/null
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@@ -0,0 +1,3 @@
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diff --git a/test/diagrams/graph_medium/diagrams_101.png b/test/diagrams/graph_medium/diagrams_101.png
new file mode 100644
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new file mode 100644
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diff --git a/test/diagrams/scanned_easy/diagrams_1.txt b/test/diagrams/scanned_easy/diagrams_1.txt
new file mode 100644
index 0000000000000000000000000000000000000000..90b062919dc3634355fed04ea0363a4f476a1d28
--- /dev/null
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+<Account Verification, funds, Credit Card Application>
+<Credit Card Application, checks, Treasury Management>
+<Financial Advisory, forecasts, Loan Processing>
+<KYC Validation, connectedTo, Loan Processing>
+<KYC Validation, connectedTo, Payment Gateway Integration>
+<Loan Processing, rejects, Financial Advisory>
+<Payment Gateway Integration, connectedTo, Financial Advisory>
+<Securities Trading, connectedTo, KYC Validation>
+<Treasury Management, verifies, Securities Trading>
diff --git a/test/diagrams/scanned_easy/diagrams_10.dot b/test/diagrams/scanned_easy/diagrams_10.dot
new file mode 100644
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--- /dev/null
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@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Outage Detection" color="#DCE775" fillcolor="#F9FBE7" shape=database style=filled]
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+	N3 [label="Plan Suspension" color="#FFE470" fillcolor="#FFFAE0" shape=predefinedprocess style=filled]
+	N4 [label="Network Activation" color="#DCE775" fillcolor="#F9FBE7" shape=database style=filled]
+	N5 [label="Broadband Provisioning" color="#FFE470" fillcolor="#FFFAE0" shape=inputoutput style=filled]
+	N6 [label="Base Station Installation" color="#A1D7CD" fillcolor="#EDF5F3" shape=preparation style=filled]
+	N7 [label="Call Recording" color="#A1D7CD" fillcolor="#EDF5F3" shape=vnode_shape style=filled]
+	N0 -> N1 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#DCE775" penwidth=1.5 style=dashed label="controls" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="transmits" dir=forward]
+	N4 -> N5 [color="#A1D7CD" penwidth=1.5 style=solid dir=forward]
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+	N6 -> N7 [color="#FFE470" penwidth=1.5 style=solid label="authenticates" dir=forward]
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+}
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diff --git a/test/diagrams/scanned_easy/diagrams_10.txt b/test/diagrams/scanned_easy/diagrams_10.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3156fc3e12b9255123451360686503730315d320
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_10.txt
@@ -0,0 +1,8 @@
+<Base Station Installation, authenticates, Call Recording>
+<Billing Inquiry, controls, Plan Suspension>
+<Broadband Provisioning, registers, Base Station Installation>
+<Network Activation, connectedTo, Broadband Provisioning>
+<Network Activation, notifies, Call Recording>
+<Outage Detection, connectedTo, Troubleshooting Guide>
+<Plan Suspension, transmits, Network Activation>
+<Troubleshooting Guide, connectedTo, Billing Inquiry>
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new file mode 100644
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--- /dev/null
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@@ -0,0 +1,28 @@
+digraph {
+	rankdir=RL
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+}
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diff --git a/test/diagrams/scanned_easy/diagrams_102.txt b/test/diagrams/scanned_easy/diagrams_102.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a4aea2ae2b80ebe1cf72bbb616cd13f4f72df87c
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_102.txt
@@ -0,0 +1,9 @@
+<Behavioral Threat Assessment, connectedTo, Insider Threat Programs>
+<Behavioral Threat Assessment, crisis_manages, Forensic Investigation of Attacks>
+<Counter_Propaganda, de_radicalizes, Legislation and Policy Development>
+<Early Warning Systems, connectedTo, Behavioral Threat Assessment>
+<Forensic Investigation of Attacks, connectedTo, Counter_Propaganda>
+<Insider Threat Programs, responds, Terrorism Financing Interdiction>
+<Legislation and Policy Development, protects_critical_infra, Behavioral Threat Assessment>
+<Target Hardening, connectedTo, Forensic Investigation of Attacks>
+<Terrorism Financing Interdiction, connectedTo, Target Hardening>
diff --git a/test/diagrams/scanned_easy/diagrams_103.txt b/test/diagrams/scanned_easy/diagrams_103.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ef0b09685c2ed91a8641add1f73ea58c974e1504
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_103.txt
@@ -0,0 +1,11 @@
+<Access Control Systems, connectedTo, Anomaly Detection>
+<Access Control Systems, evidence_gathers, Border Surveillance>
+<Anomaly Detection, connectedTo, Predictive Policing>
+<Asset Tracking, data_stores, Sensor Network Deployment>
+<Border Surveillance, alerts, Asset Tracking>
+<Border Surveillance, connectedTo, Physical Security Integration>
+<Drone Surveillance, connectedTo, Anomaly Detection>
+<Pattern Recognition, connectedTo, Access Control Systems>
+<Predictive Policing, observes, Pattern Recognition>
+<Sensor Network Deployment, connectedTo, Social Media Monitoring>
+<Social Media Monitoring, notifies, Physical Security Integration>
diff --git a/test/diagrams/scanned_easy/diagrams_104.dot b/test/diagrams/scanned_easy/diagrams_104.dot
new file mode 100644
index 0000000000000000000000000000000000000000..63eed70e43968335700c27fcaa5beaceb2219e8d
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_104.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=BT
+	N0 [label="Gun Violence Prevention" color="#E57373" fillcolor="#FFEBEE" shape=diamond style=filled]
+	N1 [label="Burglary Prevention" color="#E57373" fillcolor="#FFEBEE" shape=vnode_shape style=filled]
+	N2 [label="Patrol Operations" color="#2196F3" fillcolor="#BBDEFB" shape=hexagon style=filled]
+	N3 [label="Gang Intervention" color="#2196F3" fillcolor="#BBDEFB" shape=rect style=filled]
+	N4 [label="Robbery Prevention" color="#94C0C0" fillcolor="#CADEDE" shape=rect style=filled]
+	N5 [label="Neighborhood Watch Programs" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+	N6 [label="Sexual Assault Prevention" color="#E57373" fillcolor="#FFEBEE" shape=predefinedprocess style=filled]
+	N7 [label="Crime Data Analysis" color="#94C0C0" fillcolor="#CADEDE" shape=rect style=filled]
+	N8 [label="Conflict Resolution Training" color="#2196F3" fillcolor="#BBDEFB" shape=hexagon style=filled]
+	N9 [label="Data Sharing Initiatives" color="#2196F3" fillcolor="#BBDEFB" shape=hexagon style=filled]
+	N10 [label="Environmental Design" color="#94C0C0" fillcolor="#CADEDE" shape=inputoutput style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="communicates" dir=forward]
+	N1 -> N2 [color="#E57373" penwidth=1.5 style=dashed label="trains" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="community_engages" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#E57373" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="supports_victims" dir=forward]
+	N6 -> N7 [color="#E57373" penwidth=1.5 style=dashed label="rehabilitates_offenders" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="identifies_risks" dir=forward]
+	N8 -> N9 [color="#E57373" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N0 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
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+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_104.txt b/test/diagrams/scanned_easy/diagrams_104.txt
new file mode 100644
index 0000000000000000000000000000000000000000..766a79c4809efbd72e133ff3837e86fd5d20436d
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_104.txt
@@ -0,0 +1,12 @@
+<Burglary Prevention, trains, Patrol Operations>
+<Conflict Resolution Training, connectedTo, Data Sharing Initiatives>
+<Crime Data Analysis, connectedTo, Gang Intervention>
+<Crime Data Analysis, identifies_risks, Conflict Resolution Training>
+<Data Sharing Initiatives, connectedTo, Environmental Design>
+<Gang Intervention, connectedTo, Gun Violence Prevention>
+<Gang Intervention, connectedTo, Robbery Prevention>
+<Gun Violence Prevention, communicates, Burglary Prevention>
+<Neighborhood Watch Programs, supports_victims, Sexual Assault Prevention>
+<Patrol Operations, community_engages, Gang Intervention>
+<Robbery Prevention, connectedTo, Neighborhood Watch Programs>
+<Sexual Assault Prevention, rehabilitates_offenders, Crime Data Analysis>
diff --git a/test/diagrams/scanned_easy/diagrams_105.txt b/test/diagrams/scanned_easy/diagrams_105.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9fc58a5ae647801e92cf5969f971763fc8348f08
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_105.txt
@@ -0,0 +1,11 @@
+<Anti_Poaching Operations, connectedTo, Freshwater Conservation>
+<Captive Breeding Programs, species_saves, Human_Wildlife Conflict Mitigation>
+<Drone_based Monitoring, rescues, Sustainable Resource Management>
+<Ecosystem Services Valuation, manages, Rewilding Initiatives>
+<Freshwater Conservation, audits, Data Management for Conservation>
+<Human_Wildlife Conflict Mitigation, funds_raises, Drone_based Monitoring>
+<Population Dynamics Study, partners, Research and Development in Conservation>
+<Research and Development in Conservation, alerts, Anti_Poaching Operations>
+<Rewilding Initiatives, connectedTo, Population Dynamics Study>
+<Sustainable Resource Management, connectedTo, Ecosystem Services Valuation>
+<Sustainable Resource Management, connectedTo, Human_Wildlife Conflict Mitigation>
diff --git a/test/diagrams/scanned_easy/diagrams_106.dot b/test/diagrams/scanned_easy/diagrams_106.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d8f9d93306dec64913a36f01a7d818921b10f579
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_106.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=BT
+	N0 [label="Coastal Erosion Research" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N1 [label="ROV or AUV Operations" color="#9575CD" fillcolor="#EDE7F6" shape=predefinedprocess style=filled]
+	N2 [label="Hydrothermal Vent Exploration" color="#9575CD" fillcolor="#EDE7F6" shape=action style=filled]
+	N3 [label="Buoy Deployment" color="#9575CD" fillcolor="#EDE7F6" shape=vnode_shape style=filled]
+	N4 [label="Data Visualization" color="#9575CD" fillcolor="#EDE7F6" shape=box style=filled]
+	N5 [label="Marine Remote Sensing" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+	N6 [label="Ocean Current Measurement" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
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+	N0 -> N1 [color="#9575CD" penwidth=1.5 style=dashed dir=forward]
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+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
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+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="samples" dir=forward]
+	N5 -> N6 [color="#D2D2D2" penwidth=1.5 style=dashed label="educates" dir=forward]
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\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_106.txt b/test/diagrams/scanned_easy/diagrams_106.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bd83da6d756ea1f75c0a7fbcb3a56622e1f6a231
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_106.txt
@@ -0,0 +1,10 @@
+<Buoy Deployment, advises, Data Visualization>
+<Coastal Erosion Research, connectedTo, ROV or AUV Operations>
+<Data Visualization, samples, Marine Remote Sensing>
+<Hydrothermal Vent Exploration, connectedTo, Buoy Deployment>
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+<Ocean Carbon Cycle, connectedTo, Climate Change Impact Study>
+<Ocean Carbon Cycle, connectedTo, Data Visualization>
+<Ocean Current Measurement, deploys_sensors, Hydrothermal Vent Exploration>
+<Ocean Current Measurement, models, Ocean Carbon Cycle>
+<ROV or AUV Operations, analyzes_data, Hydrothermal Vent Exploration>
diff --git a/test/diagrams/scanned_easy/diagrams_107.dot b/test/diagrams/scanned_easy/diagrams_107.dot
new file mode 100644
index 0000000000000000000000000000000000000000..44a2ff8fe4f5a93f85866bfd96e611b4f89039e4
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_107.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
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+	N3 [label="Deep Earth Seismology" color="#7E57C2" fillcolor="#EDE7F6" shape=box style=filled]
+	N4 [label="Seismic Inversion" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
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+}
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diff --git a/test/diagrams/scanned_easy/diagrams_107.txt b/test/diagrams/scanned_easy/diagrams_107.txt
new file mode 100644
index 0000000000000000000000000000000000000000..08dfa45a7a1e9e46d21bb1552de4f57f87c4fe45
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_107.txt
@@ -0,0 +1,8 @@
+<Data Archiving and Distribution, data_transmits, Ground Motion Prediction>
+<Deep Earth Seismology, volcanic_activity, Seismic Inversion>
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new file mode 100644
index 0000000000000000000000000000000000000000..af90d34a3dd982506166891fe84dc32beb407a2c
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_11.dot
@@ -0,0 +1,21 @@
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+	N4 -> N5 [color="#4285F4" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="innovates" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="removes" dir=forward]
+	N0 -> N8 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_111.txt b/test/diagrams/scanned_easy/diagrams_111.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a38d94cbe5e5dcf1d7b0ae613f0fb84867aa5259
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_111.txt
@@ -0,0 +1,10 @@
+<Aerospace Digital Twins, validates, Lifecycle Management>
+<Asset Optimization, connectedTo, Condition Monitoring>
+<Building Information Modeling Integration, systems_optimizes, Simulation Platform Development>
+<Condition Monitoring, failures_predicts, Building Information Modeling Integration>
+<Data Security for Digital Twins, connectedTo, Aerospace Digital Twins>
+<Edge Computing for Twins, environments_monitors, Operational Planning>
+<Operational Planning, connectedTo, Building Information Modeling Integration>
+<Operational Planning, connectedTo, Predictive Maintenance>
+<Predictive Maintenance, risks_mitigates, Data Security for Digital Twins>
+<Simulation Platform Development, decision_supports, Edge Computing for Twins>
diff --git a/test/diagrams/scanned_easy/diagrams_114.dot b/test/diagrams/scanned_easy/diagrams_114.dot
new file mode 100644
index 0000000000000000000000000000000000000000..671ae3ea790631f5bd03c44b32a2ea6029408165
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_114.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=LR
+	N0 [label="System Configuration" color="#3F51B5" fillcolor="#C5CAE9" shape=rectangle style=filled]
+	N1 [label="Implementation Roadmap Development" color="#3F51B5" fillcolor="#C5CAE9" shape=predefinedprocess style=filled]
+	N2 [label="User Training" color="#3F51B5" fillcolor="#C5CAE9" shape=document style=filled]
+	N3 [label="Procurement Management" color="#42A5F5" fillcolor="#F1F8FF" shape=preparation style=filled]
+	N4 [label="Asset Management" color="#42A5F5" fillcolor="#F1F8FF" shape=parallelogram style=filled]
+	N5 [label="Testing ERP Modules" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N6 [label="Post_Go_Live Support" color="#3F51B5" fillcolor="#C5CAE9" shape=action style=filled]
+	N7 [label="Sales and Distribution" color="#3F51B5" fillcolor="#C5CAE9" shape=preparation style=filled]
+	N8 [label="Business Intelligence Integration" color="#3F51B5" fillcolor="#C5CAE9" shape=hexagon style=filled]
+	N9 [label="Inventory Management" color="#3F51B5" fillcolor="#C5CAE9" shape=rectangle style=filled]
+	N10 [label="Business Process Re_engineering" color="#42A5F5" fillcolor="#F1F8FF" shape=rect style=filled]
+	N0 -> N1 [color="#3F51B5" penwidth=1.5 style=dashed label="forecasts" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="projects_manages" dir=forward]
+	N2 -> N3 [color="#3F51B5" penwidth=1.5 style=dashed label="procurements_handles" dir=forward]
+	N3 -> N4 [color="#3F51B5" penwidth=1.5 style=solid label="implements" dir=forward]
+	N4 -> N5 [color="#42A5F5" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#42A5F5" penwidth=1.5 style=solid label="manufacturing_manages" dir=forward]
+	N6 -> N7 [color="#3F51B5" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#42A5F5" penwidth=1.5 style=solid label="upgrades" dir=forward]
+	N9 -> N10 [color="#42A5F5" penwidth=1.5 style=solid dir=forward]
+	N5 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_114.txt b/test/diagrams/scanned_easy/diagrams_114.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5c893bb4ce5366e516d46271f720107551955804
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_114.txt
@@ -0,0 +1,11 @@
+<Asset Management, connectedTo, Testing ERP Modules>
+<Business Intelligence Integration, upgrades, Inventory Management>
+<Implementation Roadmap Development, projects_manages, User Training>
+<Inventory Management, connectedTo, Business Process Re_engineering>
+<Post_Go_Live Support, secures, Sales and Distribution>
+<Procurement Management, implements, Asset Management>
+<Sales and Distribution, connectedTo, Business Intelligence Integration>
+<System Configuration, forecasts, Implementation Roadmap Development>
+<Testing ERP Modules, connectedTo, User Training>
+<Testing ERP Modules, manufacturing_manages, Post_Go_Live Support>
+<User Training, procurements_handles, Procurement Management>
diff --git a/test/diagrams/scanned_easy/diagrams_115.dot b/test/diagrams/scanned_easy/diagrams_115.dot
new file mode 100644
index 0000000000000000000000000000000000000000..eb74a9cc8b35091bbbff36a7ff2a35721cf00408
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_115.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=TB
+	N0 [label="Market Price Forecasting" color="#6FE1D5" fillcolor="#C9EFEC" shape=document style=filled]
+	N1 [label="Farm Data Integration" color="#42A5F5" fillcolor="#F1F8FF" shape=inputoutput style=filled]
+	N2 [label="Forestry Management with Digital Tools" color="#6FE1D5" fillcolor="#C9EFEC" shape=database style=filled]
+	N3 [label="Herd Health Monitoring" color="#6FE1D5" fillcolor="#C9EFEC" shape=vnode_shape style=filled]
+	N4 [label="Precision Farming" color="#42A5F5" fillcolor="#F1F8FF" shape=inputoutput style=filled]
+	N5 [label="Decision Support Systems for Farmers" color="#6FE1D5" fillcolor="#C9EFEC" shape=inputoutput style=filled]
+	N6 [label="AI for Crop Disease Detection" color="#61CAC3" fillcolor="#C2E8E6" shape=predefinedprocess style=filled]
+	N7 [label="Supply Chain Traceability" color="#42A5F5" fillcolor="#F1F8FF" shape=predefinedprocess style=filled]
+	N8 [label="Sustainability Metrics Tracking" color="#6FE1D5" fillcolor="#C9EFEC" shape=rectangle style=filled]
+	N9 [label="Geographic Information Systems for Farms" color="#42A5F5" fillcolor="#F1F8FF" shape=inputoutput style=filled]
+	N0 -> N1 [color="#42A5F5" penwidth=1.5 style=dashed label="precision_farming_enables" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#61CAC3" penwidth=1.5 style=dashed label="crops_grows" dir=forward]
+	N4 -> N5 [color="#61CAC3" penwidth=1.5 style=dashed label="waters" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="produces_safely" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="automates" dir=forward]
+	N8 -> N9 [color="#42A5F5" penwidth=1.5 style=dashed label="blockchain_traces" dir=forward]
+	N7 -> N1 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N0 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_115.txt b/test/diagrams/scanned_easy/diagrams_115.txt
new file mode 100644
index 0000000000000000000000000000000000000000..929fee7d7eb697c2de627bf94f026755c87282f2
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_115.txt
@@ -0,0 +1,11 @@
+<AI for Crop Disease Detection, manages, Supply Chain Traceability>
+<Decision Support Systems for Farmers, produces_safely, AI for Crop Disease Detection>
+<Farm Data Integration, connectedTo, Forestry Management with Digital Tools>
+<Forestry Management with Digital Tools, connectedTo, Herd Health Monitoring>
+<Herd Health Monitoring, crops_grows, Precision Farming>
+<Market Price Forecasting, precision_farming_enables, Farm Data Integration>
+<Precision Farming, connectedTo, Market Price Forecasting>
+<Precision Farming, waters, Decision Support Systems for Farmers>
+<Supply Chain Traceability, automates, Sustainability Metrics Tracking>
+<Supply Chain Traceability, connectedTo, Farm Data Integration>
+<Sustainability Metrics Tracking, blockchain_traces, Geographic Information Systems for Farms>
diff --git a/test/diagrams/scanned_easy/diagrams_116.dot b/test/diagrams/scanned_easy/diagrams_116.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e5a9fe6a1cda4a7b1f4d643db078fce868c81a63
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_116.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=LR
+	N0 [label="Social Media Management" color="#FBC02D" fillcolor="#FFFDE7" shape=diamond style=filled]
+	N1 [label="Merchandise Sales" color="#FBC02D" fillcolor="#FFFDE7" shape=rect style=filled]
+	N2 [label="Rules and Regulations Enforcement" color="#81C784" fillcolor="#F1F8E9" shape=parallelogram style=filled]
+	N3 [label="Talent Representation" color="#FFEB3B" fillcolor="#FFF9C4" shape=rectangle style=filled]
+	N4 [label="Esports Education Programs" color="#FBC02D" fillcolor="#FFFDE7" shape=vnode_shape style=filled]
+	N5 [label="Nutrition for Esports Athletes" color="#81C784" fillcolor="#F1F8E9" shape=rect style=filled]
+	N6 [label="Physical Conditioning for Players" color="#FFEB3B" fillcolor="#FFF9C4" shape=multipledocuments style=filled]
+	N7 [label="Brand Partnerships" color="#FBC02D" fillcolor="#FFFDE7" shape=preparation style=filled]
+	N8 [label="Live Streaming Production" color="#FBC02D" fillcolor="#FFFDE7" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FBC02D" penwidth=1.5 style=dashed label="strategies_develops" dir=forward]
+	N3 -> N4 [color="#81C784" penwidth=1.5 style=dashed label="platforms_develops" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="tournaments_hosts" dir=forward]
+	N5 -> N6 [color="#81C784" penwidth=1.5 style=solid label="performance_optimizes" dir=forward]
+	N6 -> N7 [color="#81C784" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N7 -> N8 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+	N3 -> N1 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_116.txt b/test/diagrams/scanned_easy/diagrams_116.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e1e0d507c75c842ed46473fe420788caec34f781
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_116.txt
@@ -0,0 +1,9 @@
+<Brand Partnerships, connectedTo, Live Streaming Production>
+<Esports Education Programs, tournaments_hosts, Nutrition for Esports Athletes>
+<Merchandise Sales, connectedTo, Rules and Regulations Enforcement>
+<Nutrition for Esports Athletes, performance_optimizes, Physical Conditioning for Players>
+<Physical Conditioning for Players, manages, Brand Partnerships>
+<Rules and Regulations Enforcement, strategies_develops, Talent Representation>
+<Social Media Management, connectedTo, Merchandise Sales>
+<Talent Representation, connectedTo, Merchandise Sales>
+<Talent Representation, platforms_develops, Esports Education Programs>
diff --git a/test/diagrams/scanned_easy/diagrams_117.dot b/test/diagrams/scanned_easy/diagrams_117.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5b7f63bec3316b77523c8ad876a80b144c42b42d
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_117.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=BT
+	N0 [label="Addiction Neuroscience" color="#4CAF50" fillcolor="#C8E6C9" shape=vnode_shape style=filled]
+	N1 [label="Neural Network Analysis" color="#4CAF50" fillcolor="#C8E6C9" shape=rectangle style=filled]
+	N2 [label="Connectomics" color="#A188DB" fillcolor="#DED7F0" shape=multipledocuments style=filled]
+	N3 [label="Sleep Research" color="#4CAF50" fillcolor="#C8E6C9" shape=rect style=filled]
+	N4 [label="Electrophysiology" color="#A188DB" fillcolor="#DED7F0" shape=box style=filled]
+	N5 [label="Neuroethics" color="#FFC2C2" fillcolor="#FFEBEB" shape=diamond style=filled]
+	N6 [label="Synaptic Plasticity Study" color="#FFC2C2" fillcolor="#FFEBEB" shape=database style=filled]
+	N7 [label="Neuroinformatics" color="#A188DB" fillcolor="#DED7F0" shape=box style=filled]
+	N8 [label="Artificial Neural Networks Modeling" color="#FFC2C2" fillcolor="#FFEBEB" shape=box style=filled]
+	N9 [label="Spike Train Analysis" color="#4CAF50" fillcolor="#C8E6C9" shape=database style=filled]
+	N10 [label="Brain_Computer Interface" color="#4CAF50" fillcolor="#C8E6C9" shape=diamond style=filled]
+	N0 -> N1 [color="#4CAF50" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#4CAF50" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFC2C2" penwidth=1.5 style=dashed label="simulates" dir=forward]
+	N4 -> N5 [color="#FFC2C2" penwidth=1.5 style=dashed label="rehabilitates" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="cognition_studies" dir=forward]
+	N6 -> N7 [color="#4CAF50" penwidth=1.5 style=dashed label="privacy_protects" dir=forward]
+	N7 -> N8 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#A188DB" penwidth=1.5 style=solid label="treats_disorders" dir=forward]
+	N9 -> N10 [color="#4CAF50" penwidth=1.5 style=solid dir=forward]
+	N5 -> N7 [color="#4CAF50" penwidth=1.5 style=solid dir=forward]
+	N7 -> N1 [color="#4CAF50" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_117.txt b/test/diagrams/scanned_easy/diagrams_117.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b76ab0f47f45ee41080b17cafa0a76131d662300
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_117.txt
@@ -0,0 +1,12 @@
+<Addiction Neuroscience, connectedTo, Neural Network Analysis>
+<Artificial Neural Networks Modeling, treats_disorders, Spike Train Analysis>
+<Connectomics, connectedTo, Sleep Research>
+<Electrophysiology, rehabilitates, Neuroethics>
+<Neural Network Analysis, connectedTo, Connectomics>
+<Neuroethics, cognition_studies, Synaptic Plasticity Study>
+<Neuroethics, connectedTo, Neuroinformatics>
+<Neuroinformatics, connectedTo, Artificial Neural Networks Modeling>
+<Neuroinformatics, connectedTo, Neural Network Analysis>
+<Sleep Research, simulates, Electrophysiology>
+<Spike Train Analysis, connectedTo, Brain_Computer Interface>
+<Synaptic Plasticity Study, privacy_protects, Neuroinformatics>
diff --git a/test/diagrams/scanned_easy/diagrams_118.dot b/test/diagrams/scanned_easy/diagrams_118.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3fee652cd1eb91278c037b6a2e3f0731d40bdd84
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_118.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=TB
+	N0 [label="Legal Protection for Heritage" color="#A2D0FF" fillcolor="#E8F0FF" shape=preparation style=filled]
+	N1 [label="GIS Mapping for Heritage Sites" color="#A2D0FF" fillcolor="#E8F0FF" shape=rect style=filled]
+	N2 [label="Crowdsourcing for Heritage Data" color="#FF8A65" fillcolor="#FBE9E7" shape=rectangle style=filled]
+	N3 [label="Heritage Site Management" color="#FF8A65" fillcolor="#FBE9E7" shape=inputoutput style=filled]
+	N4 [label="Indigenous Cultural Heritage Rights" color="#A2D0FF" fillcolor="#E8F0FF" shape=hexagon style=filled]
+	N5 [label="Heritage Impact Assessment" color="#FF8A65" fillcolor="#FBE9E7" shape=database style=filled]
+	N6 [label="Climate Change Impact on Heritage" color="#FF8A65" fillcolor="#FBE9E7" shape=preparation style=filled]
+	N7 [label="Dating Techniques" color="#A2D0FF" fillcolor="#E8F0FF" shape=rectangle style=filled]
+	N0 -> N1 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#F06292" penwidth=1.5 style=dashed label="catalogs" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="3D_scans" dir=forward]
+	N6 -> N7 [color="#FF8A65" penwidth=1.5 style=dashed label="traditions_sustains" dir=forward]
+	N1 -> N0 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_118.txt b/test/diagrams/scanned_easy/diagrams_118.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d8aa2b25b8557479d40181f1029a1c7f8280d4ea
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_118.txt
@@ -0,0 +1,8 @@
+<Climate Change Impact on Heritage, traditions_sustains, Dating Techniques>
+<Crowdsourcing for Heritage Data, connectedTo, Heritage Site Management>
+<GIS Mapping for Heritage Sites, connectedTo, Crowdsourcing for Heritage Data>
+<GIS Mapping for Heritage Sites, connectedTo, Legal Protection for Heritage>
+<Heritage Impact Assessment, 3D_scans, Climate Change Impact on Heritage>
+<Heritage Site Management, connectedTo, Indigenous Cultural Heritage Rights>
+<Indigenous Cultural Heritage Rights, catalogs, Heritage Impact Assessment>
+<Legal Protection for Heritage, connectedTo, GIS Mapping for Heritage Sites>
diff --git a/test/diagrams/scanned_easy/diagrams_119.dot b/test/diagrams/scanned_easy/diagrams_119.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5efa1aeae820f99a478910e78efd71c8c5c8be51
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_119.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=LR
+	N0 [label="Gene Therapy Delivery Systems" color="#FFD54F" fillcolor="#FFF8E1" shape=vnode_shape style=filled]
+	N1 [label="Biosecurity Protocols" color="#FFD54F" fillcolor="#FFF8E1" shape=document style=filled]
+	N2 [label="Biocontainment Strategies" color="#FFD54F" fillcolor="#FFF8E1" shape=rectangle style=filled]
+	N3 [label="High_Throughput Screening" color="#A1887F" fillcolor="#EFEBE9" shape=predefinedprocess style=filled]
+	N4 [label="Synthetic Gene Networks" color="#A188DB" fillcolor="#DED7F0" shape=document style=filled]
+	N5 [label="Bio_computation" color="#A188DB" fillcolor="#DED7F0" shape=inputoutput style=filled]
+	N6 [label="Biosafety Level Management" color="#A188DB" fillcolor="#DED7F0" shape=parallelogram style=filled]
+	N7 [label="Synthetic Organism Design" color="#A1887F" fillcolor="#EFEBE9" shape=document style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="molecules_produces" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFD54F" penwidth=1.5 style=dashed label="manipulates" dir=forward]
+	N3 -> N4 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="optimizes" dir=forward]
+	N6 -> N7 [color="#A188DB" penwidth=1.5 style=solid label="simulates" dir=forward]
+	N3 -> N6 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_119.txt b/test/diagrams/scanned_easy/diagrams_119.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cf6087f02d740720875e31e2ef0d168d3f166e9f
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_119.txt
@@ -0,0 +1,8 @@
+<Bio_computation, optimizes, Biosafety Level Management>
+<Biocontainment Strategies, manipulates, High_Throughput Screening>
+<Biosafety Level Management, simulates, Synthetic Organism Design>
+<Biosecurity Protocols, connectedTo, Biocontainment Strategies>
+<Gene Therapy Delivery Systems, molecules_produces, Biosecurity Protocols>
+<High_Throughput Screening, connectedTo, Biosafety Level Management>
+<High_Throughput Screening, connectedTo, Synthetic Gene Networks>
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diff --git a/test/diagrams/scanned_easy/diagrams_120.dot b/test/diagrams/scanned_easy/diagrams_120.dot
new file mode 100644
index 0000000000000000000000000000000000000000..710d60e07c0d4f04b918eb84a82aa095b20d4d05
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_120.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=LR
+	N0 [label="Student Performance Tracking" color="#9575CD" fillcolor="#EDE7F6" shape=parallelogram style=filled]
+	N1 [label="Virtual Labs" color="#BCB88A" fillcolor="#F5F5DC" shape=hexagon style=filled]
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+	N3 [label="Student Information Systems" color="#90A4AE" fillcolor="#ECEFF1" shape=diamond style=filled]
+	N4 [label="Cybersecurity for EdTech" color="#BCB88A" fillcolor="#F5F5DC" shape=parallelogram style=filled]
+	N5 [label="E_Learning Platform Design" color="#90A4AE" fillcolor="#ECEFF1" shape=vnode_shape style=filled]
+	N6 [label="Personalized Learning Paths" color="#9575CD" fillcolor="#EDE7F6" shape=predefinedprocess style=filled]
+	N7 [label="Virtual Classrooms" color="#BCB88A" fillcolor="#F5F5DC" shape=multipledocuments style=filled]
+	N8 [label="EdTech Hardware Solutions" color="#90A4AE" fillcolor="#ECEFF1" shape=diamond style=filled]
+	N0 -> N1 [color="#9575CD" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#9575CD" penwidth=1.5 style=solid label="outcomes_improves" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="students_supports" dir=forward]
+	N4 -> N5 [color="#90A4AE" penwidth=1.5 style=solid label="manages" dir=forward]
+	N5 -> N6 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#9575CD" penwidth=1.5 style=dashed label="learning_gamifies" dir=forward]
+	N7 -> N8 [color="#9575CD" penwidth=1.5 style=dashed label="AI_applies" dir=forward]
+	N5 -> N0 [color="#9575CD" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N2 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_120.txt b/test/diagrams/scanned_easy/diagrams_120.txt
new file mode 100644
index 0000000000000000000000000000000000000000..204d7462f18611f274502f6aec4c4118c77b057e
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_120.txt
@@ -0,0 +1,10 @@
+<Cybersecurity for EdTech, manages, E_Learning Platform Design>
+<E_Learning Platform Design, connectedTo, Personalized Learning Paths>
+<E_Learning Platform Design, connectedTo, Student Performance Tracking>
+<Learning Analytics Dashboards, outcomes_improves, Student Information Systems>
+<Personalized Learning Paths, learning_gamifies, Virtual Classrooms>
+<Student Information Systems, students_supports, Cybersecurity for EdTech>
+<Student Performance Tracking, connectedTo, Virtual Labs>
+<Virtual Classrooms, AI_applies, EdTech Hardware Solutions>
+<Virtual Classrooms, connectedTo, Learning Analytics Dashboards>
+<Virtual Labs, connectedTo, Learning Analytics Dashboards>
diff --git a/test/diagrams/scanned_easy/diagrams_121.dot b/test/diagrams/scanned_easy/diagrams_121.dot
new file mode 100644
index 0000000000000000000000000000000000000000..451206b968d771cc1861d715da19dcba70bf4b2f
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_121.dot
@@ -0,0 +1,38 @@
+digraph {
+	rankdir=BT
+	N0 [label="Lightning Detection" color="#D3EB9F" fillcolor="#F8FDD3" shape=box style=filled]
+	N1 [label="Wind Speed and Direction" color="#42A5F5" fillcolor="#F1F8FF" shape=inputoutput style=filled]
+	N2 [label="Climate Change Impact Study" color="#7E57C2" fillcolor="#D1C4E9" shape=ellipse style=filled]
+	N3 [label="Seasonal Outlook Preparation" color="#D3EB9F" fillcolor="#F8FDD3" shape=document style=filled]
+	N4 [label="Ocean_Atmosphere Interaction Study" color="#42A5F5" fillcolor="#F1F8FF" shape=rectangle style=filled]
+	N5 [label="Climate Modeling" color="#7E57C2" fillcolor="#D1C4E9" shape=rect style=filled]
+	N6 [label="Precipitation Measurement" color="#7E57C2" fillcolor="#D1C4E9" shape=parallelogram style=filled]
+	N7 [label="Climate Data Archiving" color="#D3EB9F" fillcolor="#F8FDD3" shape=vnode_shape style=filled]
+	N8 [label="Public Weather Briefing" color="#7E57C2" fillcolor="#D1C4E9" shape=rect style=filled]
+	S0 [label="" color="#D3EB9F" fillcolor="#F8FDD3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#7E57C2" fillcolor="#D1C4E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Humidity Sensing {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Humidity Sensing"
+		nest0_0 [label="Meteorological Instrument Calibration" color="#D3EB9F" fillcolor="#F8FDD3" shape=box style=filled]
+		nest0_1 [label="Radar Imaging" color="#7E57C2" fillcolor="#D1C4E9" shape=preparation style=filled]
+	}
+	N0 -> N1 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#7E57C2" penwidth=1.5 style=solid label="disseminates" dir=forward]
+	N3 -> N4 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#42A5F5" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N1 -> nest0_0 [color="#D3EB9F" penwidth=1.5 style=dashed label="warns" dir=forward]
+	nest0_1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> S0 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	S0 -> N7 [color="#D3EB9F" penwidth=1.5 style=dashed label="charts" dir=forward]
+	S0 -> N6 [color="#D3EB9F" penwidth=1.5 style=solid label="detects" dir=forward]
+	N3 -> S1 [color="#D3EB9F" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_122.dot b/test/diagrams/scanned_easy/diagrams_122.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bdbbc7ece9f9e7e5b12e49081f4d4eeb61de12e6
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_122.dot
@@ -0,0 +1,54 @@
+digraph {
+	rankdir=TB
+	N0 [label="Drought Monitoring" color="#FFB2A5" fillcolor="#FFDCD6" shape=rect style=filled]
+	N1 [label="Climate Modeling" color="#FFB2A5" fillcolor="#FFDCD6" shape=hexagon style=filled]
+	N2 [label="Arctic Weather Research" color="#FFB2A5" fillcolor="#FFDCD6" shape=vnode_shape style=filled]
+	N3 [label="Precipitation Measurement" color="#FBC02D" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N4 [label="Climate Data Archiving" color="#FBC02D" fillcolor="#FFFDE7" shape=rect style=filled]
+	N5 [label="Aviation Weather Briefing" color="#FFF8A6" fillcolor="#FFFDE0" shape=preparation style=filled]
+	N6 [label="Mesoscale Meteorology" color="#FFF8A6" fillcolor="#FFFDE0" shape=box style=filled]
+	N7 [label="Lightning Detection" color="#FFF8A6" fillcolor="#FFFDE0" shape=action style=filled]
+	N8 [label="Severe Weather Warning" color="#FBC02D" fillcolor="#FFFDE7" shape=parallelogram style=filled]
+	N9 [label="Weather Forecasting" color="#FFF8A6" fillcolor="#FFFDE0" shape=preparation style=filled]
+	N10 [label="Meteorological Instrument Calibration" color="#FFF8A6" fillcolor="#FFFDE0" shape=database style=filled]
+	N11 [label="Pollution Dispersion Modeling" color="#FFF8A6" fillcolor="#FFFDE0" shape=rect style=filled]
+	N12 [label="Humidity Sensing" color="#FBC02D" fillcolor="#FFFDE7" shape=multipledocuments style=filled]
+	N13 [label="Numerical Weather Prediction" color="#FFB2A5" fillcolor="#FFDCD6" shape=database style=filled]
+	N14 [label="Atmospheric Sounding" color="#FFB2A5" fillcolor="#FFDCD6" shape=vnode_shape style=filled]
+	S0 [label="" color="#FFF8A6" fillcolor="#FFFDE0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#FFB2A5" fillcolor="#FFDCD6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFF8A6" fillcolor="#FFFDE0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Atmospheric Data Collection {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Atmospheric Data Collection"
+		nest0_0 [label="Marine Weather Forecast" color="#FFB2A5" fillcolor="#FFDCD6" shape=rect style=filled]
+		nest0_1 [label="Climate Change Impact Study" color="#FBC02D" fillcolor="#FFFDE7" shape=multipledocuments style=filled]
+	}
+	N0 -> N1 [color="#FFB2A5" penwidth=1.5 style=dashed label="observes" dir=forward]
+	N1 -> N2 [color="#FFF8A6" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="maintains" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFF8A6" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFF8A6" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFB2A5" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#FFB2A5" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#FFB2A5" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#FFB2A5" penwidth=1.5 style=solid label="predicts" dir=forward]
+	N12 -> N13 [color="#FFF8A6" penwidth=1.5 style=solid dir=forward]
+	N13 -> N14 [color="#000000" penwidth=1.5 style=solid label="updates" dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid label="calibrates" dir=forward]
+	N4 -> nest0_0 [color="#FFB2A5" penwidth=1.5 style=solid label="disseminates" dir=forward]
+	nest0_1 -> N5 [color="#FFB2A5" penwidth=1.5 style=dashed dir=forward]
+	N4 -> S0 [color="#FFF8A6" penwidth=1.5 style=solid dir=forward]
+	S0 -> N12 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	S0 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> S1 [color="#FFF8A6" penwidth=1.5 style=solid dir=forward]
+	S1 -> N3 [color="#FFB2A5" penwidth=1.5 style=solid dir=forward]
+	S1 -> N13 [color="#000000" penwidth=1.5 style=dashed label="identifies" dir=forward]
+	N1 -> M0 [color="#FFF8A6" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M0 [color="#FFB2A5" penwidth=1.5 style=solid dir=forward]
+	M0 -> N3 [color="#FFB2A5" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_122.txt b/test/diagrams/scanned_easy/diagrams_122.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4afff8daa4a98d352b86d084bd17e22cb2e0c136
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_122.txt
@@ -0,0 +1,22 @@
+<Arctic Weather Research, maintains, Precipitation Measurement>
+<Aviation Weather Briefing, connectedTo, Mesoscale Meteorology>
+<Climate Change Impact Study, connectedTo, Aviation Weather Briefing>
+<Climate Data Archiving, connectedTo, Aviation Weather Briefing>
+<Climate Data Archiving, connectedTo, Humidity Sensing>
+<Climate Data Archiving, connectedTo, Mesoscale Meteorology>
+<Climate Data Archiving, disseminates, Marine Weather Forecast>
+<Climate Modeling, connectedTo, Arctic Weather Research>
+<Climate Modeling, connectedTo, Precipitation Measurement>
+<Climate Modeling, identifies, Numerical Weather Prediction>
+<Drought Monitoring, connectedTo, Precipitation Measurement>
+<Drought Monitoring, observes, Climate Modeling>
+<Humidity Sensing, connectedTo, Numerical Weather Prediction>
+<Lightning Detection, connectedTo, Severe Weather Warning>
+<Marine Weather Forecast, calibrates, Climate Change Impact Study>
+<Mesoscale Meteorology, connectedTo, Lightning Detection>
+<Meteorological Instrument Calibration, connectedTo, Pollution Dispersion Modeling>
+<Numerical Weather Prediction, updates, Atmospheric Sounding>
+<Pollution Dispersion Modeling, predicts, Humidity Sensing>
+<Precipitation Measurement, connectedTo, Climate Data Archiving>
+<Severe Weather Warning, connectedTo, Weather Forecasting>
+<Weather Forecasting, connectedTo, Meteorological Instrument Calibration>
diff --git a/test/diagrams/scanned_easy/diagrams_125.dot b/test/diagrams/scanned_easy/diagrams_125.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bf3dc8363d104bc52ac89aa0a3abad73e8ea2a4e
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_125.dot
@@ -0,0 +1,40 @@
+digraph {
+	rankdir=BT
+	N0 [label="Illegal Dumping Monitoring" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N1 [label="Container Management" color="#607D8B" fillcolor="#CFD8DC" shape=preparation style=filled]
+	N2 [label="Plastic Recycling Technologies" color="#607D8B" fillcolor="#CFD8DC" shape=rect style=filled]
+	N3 [label="Extended Producer Responsibility" color="#A188D0" fillcolor="#DACBE3" shape=diamond style=filled]
+	N4 [label="Metal Recycling" color="#5C6BC0" fillcolor="#E8EAF6" shape=parallelogram style=filled]
+	N5 [label="Construction and Demolition Waste Management" color="#607D8B" fillcolor="#CFD8DC" shape=inputoutput style=filled]
+	N6 [label="Waste Management Policy Development" color="#5C6BC0" fillcolor="#E8EAF6" shape=inputoutput style=filled]
+	N7 [label="Waste Sorting" color="#5C6BC0" fillcolor="#E8EAF6" shape=database style=filled]
+	N8 [label="Circular Economy Initiatives" color="#607D8B" fillcolor="#CFD8DC" shape=rectangle style=filled]
+	N9 [label="Waste_to_Energy Conversion" color="#5C6BC0" fillcolor="#E8EAF6" shape=document style=filled]
+	S0 [label="" color="#607D8B" fillcolor="#CFD8DC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#5C6BC0" fillcolor="#E8EAF6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Waste Collection {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Waste Collection"
+		nest0_0 [label="Landfill Gas Collection" color="#5C6BC0" fillcolor="#E8EAF6" shape=box style=filled]
+		nest0_1 [label="Waste Audit" color="#A188D0" fillcolor="#DACBE3" shape=document style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="separates" dir=forward]
+	N1 -> N2 [color="#607D8B" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#5C6BC0" penwidth=1.5 style=dashed label="controls" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#607D8B" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N8 -> N9 [color="#5C6BC0" penwidth=1.5 style=solid label="tracks" dir=forward]
+	nest0_0 -> nest0_1 [color="#607D8B" penwidth=1.5 style=solid dir=forward]
+	N5 -> nest0_0 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> N2 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N3 -> S0 [color="#607D8B" penwidth=1.5 style=solid dir=forward]
+	S0 -> N6 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N9 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	N2 -> M0 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N4 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_125.txt b/test/diagrams/scanned_easy/diagrams_125.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cde14bd67ee90e7b844837ac4b9ea5018a84c95d
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_125.txt
@@ -0,0 +1,16 @@
+<Circular Economy Initiatives, tracks, Waste_to_Energy Conversion>
+<Construction and Demolition Waste Management, connectedTo, Landfill Gas Collection>
+<Construction and Demolition Waste Management, connectedTo, Waste Management Policy Development>
+<Container Management, connectedTo, Metal Recycling>
+<Container Management, connectedTo, Plastic Recycling Technologies>
+<Extended Producer Responsibility, connectedTo, Metal Recycling>
+<Extended Producer Responsibility, connectedTo, Waste Management Policy Development>
+<Extended Producer Responsibility, connectedTo, Waste_to_Energy Conversion>
+<Illegal Dumping Monitoring, separates, Container Management>
+<Landfill Gas Collection, connectedTo, Waste Audit>
+<Metal Recycling, controls, Construction and Demolition Waste Management>
+<Plastic Recycling Technologies, connectedTo, Extended Producer Responsibility>
+<Plastic Recycling Technologies, connectedTo, Metal Recycling>
+<Waste Audit, connectedTo, Plastic Recycling Technologies>
+<Waste Management Policy Development, connectedTo, Waste Sorting>
+<Waste Sorting, monitors, Circular Economy Initiatives>
diff --git a/test/diagrams/scanned_easy/diagrams_126.dot b/test/diagrams/scanned_easy/diagrams_126.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a6354e02228176f67a7d92af0b4627365fe8d5b5
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_126.dot
@@ -0,0 +1,37 @@
+digraph {
+	rankdir=RL
+	N0 [label="Leachate Treatment" color="#C0CA33" fillcolor="#F9FBE7" shape=predefinedprocess style=filled]
+	N1 [label="Industrial Waste Management" color="#4CAF50" fillcolor="#C8E6C9" shape=rect style=filled]
+	N2 [label="Waste Reduction Planning" color="#4CAF50" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N3 [label="Waste Collection" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N4 [label="Waste Sorting" color="#4CAF50" fillcolor="#C8E6C9" shape=rectangle style=filled]
+	N5 [label="Resource Recovery" color="#9C27B0" fillcolor="#E1BEE7" shape=hexagon style=filled]
+	N6 [label="Smart Waste Bins" color="#4CAF50" fillcolor="#C8E6C9" shape=document style=filled]
+	S1 [label="" color="#9C27B0" fillcolor="#E1BEE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#C0CA33" fillcolor="#F9FBE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Closed_Loop Systems {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Closed_Loop Systems"
+		nest0_0 [label="Construction and Demolition Waste Management" color="#4CAF50" fillcolor="#C8E6C9" shape=hexagon style=filled]
+		nest0_1 [label="Waste Characterization Study" color="#C0CA33" fillcolor="#F9FBE7" shape=database style=filled]
+		nest0_2 [label="Hazardous Waste Disposal" color="#C0CA33" fillcolor="#F9FBE7" shape=hexagon style=filled]
+	}
+	N0 -> N1 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#4CAF50" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="innovates" dir=forward]
+	N4 -> N5 [color="#C0CA33" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#C0CA33" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#4CAF50" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#4CAF50" penwidth=1.5 style=solid dir=forward]
+	N1 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed label="plans" dir=forward]
+	nest0_2 -> N6 [color="#9C27B0" penwidth=1.5 style=dashed label="minimizes" dir=forward]
+	N1 -> S1 [color="#C0CA33" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N5 [color="#C0CA33" penwidth=1.5 style=solid dir=forward]
+	S1 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N6 [color="#4CAF50" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N0 -> M0 [color="#9C27B0" penwidth=1.5 style=solid label="incinerates" dir=forward]
+	M0 -> N3 [color="#C0CA33" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_127.txt b/test/diagrams/scanned_easy/diagrams_127.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0ca75f765a71019563e1373106482e9dc52f0e6d
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_127.txt
@@ -0,0 +1,22 @@
+<Agricultural Water Use Efficiency, connectedTo, Water Conservation Planning>
+<Aquifer Recharge, connectedTo, Sewer System Inspection>
+<Aquifer Recharge, models, Billing and Revenue Management>
+<Billing and Revenue Management, connectedTo, Wastewater Collection>
+<Desalination, connectedTo, Irrigation Management>
+<Drought Management, connectedTo, Water Infrastructure Maintenance>
+<Groundwater Management, assesses, Agricultural Water Use Efficiency>
+<Hydroelectric Power Generation, connectedTo, Aquifer Recharge>
+<Industrial Water Use Optimization, plans, Hydroelectric Power Generation>
+<Industrial Water Use Optimization, reports, Billing and Revenue Management>
+<Piping Network Repair, connectedTo, Billing and Revenue Management>
+<Sewer System Inspection, connectedTo, Transboundary Water Management>
+<Transboundary Water Management, connectedTo, Water Conservation Planning>
+<Wastewater Collection, connectedTo, Water Source Identification>
+<Water Conservation Planning, audits, Water Infrastructure Maintenance>
+<Water Conservation Planning, connectedTo, Irrigation Management>
+<Water Conservation Planning, connectedTo, Piping Network Repair>
+<Water Conservation Planning, connectedTo, Water Infrastructure Maintenance>
+<Water Conservation Planning, predicts, Billing and Revenue Management>
+<Water Infrastructure Maintenance, connectedTo, Groundwater Management>
+<Water Infrastructure Maintenance, mitigates, Desalination>
+<Water Source Identification, connectedTo, Drought Management>
diff --git a/test/diagrams/scanned_easy/diagrams_128.dot b/test/diagrams/scanned_easy/diagrams_128.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a338eaff08c6fb363cb11876a5f4444996cad900
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_128.dot
@@ -0,0 +1,51 @@
+digraph {
+	rankdir=RL
+	N0 [label="Irrigation Management" color="#3F51B5" fillcolor="#C5CAE9" shape=diamond style=filled]
+	N1 [label="Pollution Source Identification" color="#3F51B5" fillcolor="#C5CAE9" shape=rectangle style=filled]
+	N2 [label="Water Infrastructure Maintenance" color="#3F51B5" fillcolor="#C5CAE9" shape=rect style=filled]
+	N3 [label="Piping Network Repair" color="#FBC02D" fillcolor="#FFFDE7" shape=action style=filled]
+	N4 [label="Reservoir Operation" color="#3F51B5" fillcolor="#C5CAE9" shape=rectangle style=filled]
+	N5 [label="Wastewater Collection" color="#FBC02D" fillcolor="#FFFDE7" shape=predefinedprocess style=filled]
+	N6 [label="Hydroelectric Power Generation" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N7 [label="Drought Management" color="#3F51B5" fillcolor="#C5CAE9" shape=vnode_shape style=filled]
+	N8 [label="Water Resource Planning" color="#FBC02D" fillcolor="#FFFDE7" shape=multipledocuments style=filled]
+	N9 [label="Climate Change Adaptation for Water" color="#3F51B5" fillcolor="#C5CAE9" shape=hexagon style=filled]
+	N10 [label="Water Conservation Planning" color="#FBC02D" fillcolor="#FFFDE7" shape=action style=filled]
+	N11 [label="Water Distribution" color="#3F51B5" fillcolor="#C5CAE9" shape=database style=filled]
+	N12 [label="Water Loss Detection" color="#3F51B5" fillcolor="#C5CAE9" shape=document style=filled]
+	S0 [label="" color="#FBC02D" fillcolor="#FFFDE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#3F51B5" fillcolor="#C5CAE9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Groundwater Management {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Groundwater Management"
+		nest0_0 [label="Flood Control" color="#FFE470" fillcolor="#FFFAE0" shape=action style=filled]
+		nest0_1 [label="Industrial Water Use Optimization" color="#FBC02D" fillcolor="#FFFDE7" shape=hexagon style=filled]
+		nest0_2 [label="Public Awareness Campaigns" color="#FFE470" fillcolor="#FFFAE0" shape=database style=filled]
+		nest0_3 [label="Environmental Flow Assessment" color="#FFE470" fillcolor="#FFFAE0" shape=multipledocuments style=filled]
+	}
+	N0 -> N1 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#3F51B5" penwidth=1.5 style=solid label="detects" dir=forward]
+	N2 -> N3 [color="#FBC02D" penwidth=1.5 style=dashed label="distributes" dir=forward]
+	N3 -> N4 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#3F51B5" penwidth=1.5 style=solid label="predicts" dir=forward]
+	N5 -> N6 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#FBC02D" penwidth=1.5 style=dashed label="constructs" dir=forward]
+	nest0_0 -> nest0_1 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#3F51B5" penwidth=1.5 style=dashed label="licenses" dir=forward]
+	nest0_2 -> nest0_3 [color="#000000" penwidth=1.5 style=dashed label="tests" dir=forward]
+	N2 -> nest0_0 [color="#000000" penwidth=1.5 style=solid label="purifies" dir=forward]
+	nest0_3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> S0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N12 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	S0 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N11 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N1 -> M1 [color="#3F51B5" penwidth=1.5 style=solid label="optimizes" dir=forward]
+	N0 -> M1 [color="#FFE470" penwidth=1.5 style=solid label="designs" dir=forward]
+	M1 -> N3 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_128.txt b/test/diagrams/scanned_easy/diagrams_128.txt
new file mode 100644
index 0000000000000000000000000000000000000000..50eb6979ae7923ba02b7a1e86262d5befbd1a74b
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_128.txt
@@ -0,0 +1,22 @@
+<Climate Change Adaptation for Water, connectedTo, Water Conservation Planning>
+<Drought Management, connectedTo, Water Resource Planning>
+<Environmental Flow Assessment, connectedTo, Reservoir Operation>
+<Flood Control, connectedTo, Industrial Water Use Optimization>
+<Hydroelectric Power Generation, connectedTo, Drought Management>
+<Industrial Water Use Optimization, licenses, Public Awareness Campaigns>
+<Irrigation Management, connectedTo, Pollution Source Identification>
+<Irrigation Management, designs, Piping Network Repair>
+<Piping Network Repair, connectedTo, Reservoir Operation>
+<Pollution Source Identification, detects, Water Infrastructure Maintenance>
+<Pollution Source Identification, optimizes, Piping Network Repair>
+<Public Awareness Campaigns, tests, Environmental Flow Assessment>
+<Reservoir Operation, predicts, Wastewater Collection>
+<Wastewater Collection, connectedTo, Hydroelectric Power Generation>
+<Water Conservation Planning, connectedTo, Water Distribution>
+<Water Distribution, constructs, Water Loss Detection>
+<Water Infrastructure Maintenance, distributes, Piping Network Repair>
+<Water Infrastructure Maintenance, purifies, Flood Control>
+<Water Resource Planning, connectedTo, Climate Change Adaptation for Water>
+<Water Resource Planning, connectedTo, Water Conservation Planning>
+<Water Resource Planning, connectedTo, Water Distribution>
+<Water Resource Planning, connectedTo, Water Loss Detection>
diff --git a/test/diagrams/scanned_easy/diagrams_129.dot b/test/diagrams/scanned_easy/diagrams_129.dot
new file mode 100644
index 0000000000000000000000000000000000000000..464fae32c4fb7bafcd1262975a00c0c5e7fd1819
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_129.dot
@@ -0,0 +1,40 @@
+digraph {
+	rankdir=RL
+	N0 [label="Public Awareness Campaigns" color="#A2D0FF" fillcolor="#E8F0FF" shape=diamond style=filled]
+	N1 [label="Agricultural Water Use Efficiency" color="#BCB88A" fillcolor="#F5F5DC" shape=vnode_shape style=filled]
+	N2 [label="Greywater Recycling" color="#A2D0FF" fillcolor="#E8F0FF" shape=rectangle style=filled]
+	N3 [label="Ecosystem Protection" color="#FFC085" fillcolor="#FFDAB9" shape=rectangle style=filled]
+	N4 [label="Water Treatment" color="#A2D0FF" fillcolor="#E8F0FF" shape=parallelogram style=filled]
+	N5 [label="Sewer System Inspection" color="#A2D0FF" fillcolor="#E8F0FF" shape=hexagon style=filled]
+	N6 [label="Environmental Flow Assessment" color="#BCB88A" fillcolor="#F5F5DC" shape=database style=filled]
+	N7 [label="Wastewater Treatment" color="#FFC085" fillcolor="#FFDAB9" shape=action style=filled]
+	N8 [label="Smart Water Networks" color="#BCB88A" fillcolor="#F5F5DC" shape=preparation style=filled]
+	N9 [label="Hydrological Modeling" color="#A2D0FF" fillcolor="#E8F0FF" shape=database style=filled]
+	S0 [label="" color="#BCB88A" fillcolor="#F5F5DC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFC085" fillcolor="#FFDAB9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Wastewater Collection {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Wastewater Collection"
+		nest0_0 [label="Water Resource Planning" color="#FFC085" fillcolor="#FFDAB9" shape=diamond style=filled]
+		nest0_1 [label="Hydroelectric Power Generation" color="#FFC085" fillcolor="#FFDAB9" shape=vnode_shape style=filled]
+	}
+	N0 -> N1 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFC085" penwidth=1.5 style=solid label="warns" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="designs" dir=forward]
+	N4 -> N5 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFC085" penwidth=1.5 style=dashed label="optimizes" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="permits" dir=forward]
+	N7 -> N8 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> S0 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	S0 -> N9 [color="#BCB88A" penwidth=1.5 style=solid label="treats" dir=forward]
+	S0 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M0 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N4 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_13.dot b/test/diagrams/scanned_easy/diagrams_13.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1f2818b30973f6b5c89d6c56a21975fde405deb7
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_13.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=TB
+	N0 [label="Tax Assessment" color="#26A69A" fillcolor="#E0F2F1" shape=database style=filled]
+	N1 [label="Title Check" color="#26A69A" fillcolor="#E0F2F1" shape=multipledocuments style=filled]
+	N2 [label="Property Insurance" color="#FFD54F" fillcolor="#FFF8E1" shape=hexagon style=filled]
+	N3 [label="Market Trend Analysis" color="#FFD54F" fillcolor="#FFF8E1" shape=multipledocuments style=filled]
+	N4 [label="HOA Management" color="#26A69A" fillcolor="#E0F2F1" shape=vnode_shape style=filled]
+	N5 [label="Agent Assignment" color="#FFD54F" fillcolor="#FFF8E1" shape=predefinedprocess style=filled]
+	N6 [label="Contract Review" color="#AB47BC" fillcolor="#F3E5F5" shape=diamond style=filled]
+	N7 [label="Buyer Inquiry" color="#AB47BC" fillcolor="#F3E5F5" shape=rectangle style=filled]
+	N8 [label="Tenant Screening" color="#26A69A" fillcolor="#E0F2F1" shape=rectangle style=filled]
+	N9 [label="Commission Distribution" color="#FFD54F" fillcolor="#FFF8E1" shape=vnode_shape style=filled]
+	N10 [label="Building Permit Application" color="#AB47BC" fillcolor="#F3E5F5" shape=inputoutput style=filled]
+	N11 [label="Investment Property Analysis" color="#AB47BC" fillcolor="#F3E5F5" shape=rect style=filled]
+	N0 -> N1 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#AB47BC" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="verifies" dir=forward]
+	N3 -> N4 [color="#AB47BC" penwidth=1.5 style=dashed label="inspects" dir=forward]
+	N4 -> N5 [color="#FFD54F" penwidth=1.5 style=dashed label="finances" dir=forward]
+	N5 -> N6 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#AB47BC" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#AB47BC" penwidth=1.5 style=solid label="sells" dir=forward]
+	N8 -> N9 [color="#AB47BC" penwidth=1.5 style=dashed label="approves" dir=forward]
+	N9 -> N10 [color="#AB47BC" penwidth=1.5 style=solid label="promotes" dir=forward]
+	N10 -> N11 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_130.txt b/test/diagrams/scanned_easy/diagrams_130.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6b7c357de372f1fec6f8a18fecc840cc75c0921d
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_130.txt
@@ -0,0 +1,20 @@
+<Chemical Recycling, connectedTo, Recycling Infrastructure Development>
+<Chemical Recycling, connectedTo, Waste Stream Analysis>
+<Commercial Recycling Solutions, connectedTo, Material Purity Testing>
+<Contamination Reduction, connectedTo, Life Cycle Assessment>
+<Electronic Waste Recycling, connectedTo, Recycling Market Development>
+<Glass Recycling, connectedTo, Recycling Data Tracking>
+<Life Cycle Assessment, connectedTo, Glass Recycling>
+<Material Purity Testing, connectedTo, Electronic Waste Recycling>
+<Recycling Data Tracking, connectedTo, Material Purity Testing>
+<Recycling Infrastructure Development, connectedTo, Electronic Waste Recycling>
+<Recycling Infrastructure Development, connectedTo, Material Purity Testing>
+<Recycling Infrastructure Development, connectedTo, Recycling Market Development>
+<Recycling Infrastructure Development, melts, Commercial Recycling Solutions>
+<Recycling Policy Advocacy, assesses, Recycling Infrastructure Development>
+<Recycling Policy Advocacy, connectedTo, Chemical Recycling>
+<Waste Stream Analysis, connectedTo, Electronic Waste Recycling>
+<Waste Stream Analysis, connectedTo, Recycling Market Development>
+<Waste Stream Analysis, grades, Commercial Recycling Solutions>
+<Waste Stream Analysis, shreds, Recycling Infrastructure Development>
+<Waste Stream Analysis, verifies, Contamination Reduction>
diff --git a/test/diagrams/scanned_easy/diagrams_131.dot b/test/diagrams/scanned_easy/diagrams_131.dot
new file mode 100644
index 0000000000000000000000000000000000000000..112b0b5cf08b57c3d1583c0dba0ef9adaf95c849
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_131.dot
@@ -0,0 +1,52 @@
+digraph {
+	rankdir=RL
+	N0 [label="Chemical Recycling" color="#2196F3" fillcolor="#BBDEFB" shape=multipledocuments style=filled]
+	N1 [label="Waste Stream Analysis" color="#2196F3" fillcolor="#BBDEFB" shape=parallelogram style=filled]
+	N2 [label="Waste Audit for Recycling" color="#D2D2D2" fillcolor="#F0F0F0" shape=multipledocuments style=filled]
+	N3 [label="Circular Economy Implementation" color="#D2D2D2" fillcolor="#F0F0F0" shape=inputoutput style=filled]
+	N4 [label="Contamination Reduction" color="#B8C0F5" fillcolor="#ECF0FD" shape=rect style=filled]
+	N5 [label="Composting Organic Waste" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N6 [label="Hazardous Material Recovery" color="#2196F3" fillcolor="#BBDEFB" shape=diamond style=filled]
+	N7 [label="Industrial Recycling Programs" color="#D2D2D2" fillcolor="#F0F0F0" shape=diamond style=filled]
+	N8 [label="Mechanical Recycling" color="#D2D2D2" fillcolor="#F0F0F0" shape=preparation style=filled]
+	N9 [label="Sorting and Segregation" color="#2196F3" fillcolor="#BBDEFB" shape=preparation style=filled]
+	N10 [label="Cleaning and Processing" color="#B8C0F5" fillcolor="#ECF0FD" shape=vnode_shape style=filled]
+	N11 [label="Recycling Facility Optimization" color="#2196F3" fillcolor="#BBDEFB" shape=diamond style=filled]
+	S0 [label="" color="#D2D2D2" fillcolor="#F0F0F0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#2196F3" fillcolor="#BBDEFB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#2196F3" fillcolor="#BBDEFB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Material Collection {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Material Collection"
+		nest0_0 [label="Product Design for Recyclability" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+		nest0_1 [label="Life Cycle Assessment" color="#B8C0F5" fillcolor="#ECF0FD" shape=multipledocuments style=filled]
+		nest0_2 [label="Material Purity Testing" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+		nest0_3 [label="Glass Recycling" color="#2196F3" fillcolor="#BBDEFB" shape=vnode_shape style=filled]
+	}
+	N0 -> N1 [color="#B8C0F5" penwidth=1.5 style=dashed label="manufactures" dir=forward]
+	N1 -> N2 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#D2D2D2" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#2196F3" penwidth=1.5 style=dashed label="optimizes" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="segregates" dir=forward]
+	N7 -> N8 [color="#B8C0F5" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#D2D2D2" penwidth=1.5 style=dashed label="partners" dir=forward]
+	nest0_2 -> nest0_3 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+	N9 -> nest0_0 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N8 [color="#000000" penwidth=1.5 style=dashed label="tests" dir=forward]
+	N1 -> S0 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N7 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> M0 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	M0 -> N7 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M1 [color="#2196F3" penwidth=1.5 style=solid label="measures" dir=forward]
+	N2 -> M1 [color="#B8C0F5" penwidth=1.5 style=solid dir=forward]
+	M1 -> N4 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_131.txt b/test/diagrams/scanned_easy/diagrams_131.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a2a167c4728cb9084b203687dd5d3ce5373500a3
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_131.txt
@@ -0,0 +1,21 @@
+<Chemical Recycling, manufactures, Waste Stream Analysis>
+<Chemical Recycling, measures, Contamination Reduction>
+<Circular Economy Implementation, connectedTo, Contamination Reduction>
+<Cleaning and Processing, connectedTo, Recycling Facility Optimization>
+<Composting Organic Waste, optimizes, Hazardous Material Recovery>
+<Contamination Reduction, connectedTo, Composting Organic Waste>
+<Contamination Reduction, connectedTo, Industrial Recycling Programs>
+<Glass Recycling, tests, Mechanical Recycling>
+<Hazardous Material Recovery, segregates, Industrial Recycling Programs>
+<Industrial Recycling Programs, connectedTo, Mechanical Recycling>
+<Life Cycle Assessment, partners, Material Purity Testing>
+<Material Purity Testing, connectedTo, Glass Recycling>
+<Mechanical Recycling, connectedTo, Sorting and Segregation>
+<Product Design for Recyclability, connectedTo, Life Cycle Assessment>
+<Sorting and Segregation, connectedTo, Cleaning and Processing>
+<Sorting and Segregation, connectedTo, Product Design for Recyclability>
+<Waste Audit for Recycling, connectedTo, Circular Economy Implementation>
+<Waste Audit for Recycling, connectedTo, Contamination Reduction>
+<Waste Stream Analysis, connectedTo, Hazardous Material Recovery>
+<Waste Stream Analysis, connectedTo, Industrial Recycling Programs>
+<Waste Stream Analysis, connectedTo, Waste Audit for Recycling>
diff --git a/test/diagrams/scanned_easy/diagrams_132.dot b/test/diagrams/scanned_easy/diagrams_132.dot
new file mode 100644
index 0000000000000000000000000000000000000000..52caf5e7e70d61b13568a75dd24192169ada037c
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_132.dot
@@ -0,0 +1,45 @@
+digraph {
+	rankdir=LR
+	N0 [label="Product Design for Recyclability" color="#795548" fillcolor="#D7CCC8" shape=multipledocuments style=filled]
+	N1 [label="Textile Recycling" color="#A188D0" fillcolor="#DACBE3" shape=predefinedprocess style=filled]
+	N2 [label="Battery Recycling" color="#A188D0" fillcolor="#DACBE3" shape=vnode_shape style=filled]
+	N3 [label="Contamination Reduction" color="#FFC2C2" fillcolor="#FFEBEB" shape=rect style=filled]
+	N4 [label="Material Collection" color="#A188D0" fillcolor="#DACBE3" shape=rect style=filled]
+	N5 [label="Recycling Education" color="#795548" fillcolor="#D7CCC8" shape=hexagon style=filled]
+	N6 [label="Mechanical Recycling" color="#795548" fillcolor="#D7CCC8" shape=multipledocuments style=filled]
+	N7 [label="Electronic Waste Recycling" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N8 [label="Paper Recycling" color="#795548" fillcolor="#D7CCC8" shape=database style=filled]
+	N9 [label="Plastic Recycling" color="#FFC2C2" fillcolor="#FFEBEB" shape=predefinedprocess style=filled]
+	N10 [label="Composting Organic Waste" color="#795548" fillcolor="#D7CCC8" shape=parallelogram style=filled]
+	S0 [label="" color="#795548" fillcolor="#D7CCC8" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Industrial Recycling Programs {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Industrial Recycling Programs"
+		nest0_0 [label="Waste Audit for Recycling" color="#FFC2C2" fillcolor="#FFEBEB" shape=rectangle style=filled]
+		nest0_1 [label="Advanced Sorting Technologies" color="#795548" fillcolor="#D7CCC8" shape=database style=filled]
+		nest0_2 [label="Material Purity Testing" color="#FFC2C2" fillcolor="#FFEBEB" shape=multipledocuments style=filled]
+		nest0_3 [label="Circular Economy Implementation" color="#A188D0" fillcolor="#DACBE3" shape=rect style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="processes" dir=forward]
+	N2 -> N3 [color="#795548" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#795548" penwidth=1.5 style=dashed label="shreds" dir=forward]
+	N6 -> N7 [color="#FFC2C2" penwidth=1.5 style=dashed label="certifies" dir=forward]
+	N7 -> N8 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#FFC2C2" penwidth=1.5 style=solid label="sorts" dir=forward]
+	N9 -> N10 [color="#FFC2C2" penwidth=1.5 style=solid label="manufactures" dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> nest0_3 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	N5 -> nest0_0 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	nest0_3 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> S0 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N9 [color="#000000" penwidth=1.5 style=solid label="treats" dir=forward]
+	S0 -> N10 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N4 -> N7 [color="#795548" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> N0 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	N1 -> nest0_3 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_133.dot b/test/diagrams/scanned_easy/diagrams_133.dot
new file mode 100644
index 0000000000000000000000000000000000000000..57ef61b87e447a2c978cc8627b8efa925cb6c6b7
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_133.dot
@@ -0,0 +1,51 @@
+digraph {
+	rankdir=RL
+	N0 [label="Forest Research" color="#D3EB9F" fillcolor="#F8FDD3" shape=inputoutput style=filled]
+	N1 [label="Illegal Logging Prevention" color="#D3EB9F" fillcolor="#F8FDD3" shape=hexagon style=filled]
+	N2 [label="Drone Surveying for Forests" color="#D3EB9F" fillcolor="#F8FDD3" shape=document style=filled]
+	N3 [label="Forest Carbon Accounting" color="#CD8FF2" fillcolor="#ECCFF5" shape=multipledocuments style=filled]
+	N4 [label="Forest Health Monitoring" color="#EAEFA5" fillcolor="#FDFCEB" shape=rect style=filled]
+	N5 [label="Indigenous Forestry Practices" color="#CD8FF2" fillcolor="#ECCFF5" shape=preparation style=filled]
+	N6 [label="Non_Timber Forest Product Collection" color="#CD8FF2" fillcolor="#ECCFF5" shape=hexagon style=filled]
+	N7 [label="Forestry Education" color="#EAEFA5" fillcolor="#FDFCEB" shape=multipledocuments style=filled]
+	N8 [label="Reforestation" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N9 [label="Sawmill Processing" color="#CD8FF2" fillcolor="#ECCFF5" shape=database style=filled]
+	N10 [label="Soil Conservation" color="#D3EB9F" fillcolor="#F8FDD3" shape=rect style=filled]
+	N11 [label="Public Access Management" color="#EAEFA5" fillcolor="#FDFCEB" shape=database style=filled]
+	N12 [label="Forest Road Construction" color="#CD8FF2" fillcolor="#ECCFF5" shape=vnode_shape style=filled]
+	N13 [label="Forestry Policy Development" color="#EAEFA5" fillcolor="#FDFCEB" shape=diamond style=filled]
+	S0 [label="" color="#D3EB9F" fillcolor="#F8FDD3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#CD8FF2" fillcolor="#ECCFF5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Afforestation {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Afforestation"
+		nest0_0 [label="Pest and Disease Control" color="#EAEFA5" fillcolor="#FDFCEB" shape=action style=filled]
+		nest0_1 [label="Tree Nursery Management" color="#EAEFA5" fillcolor="#FDFCEB" shape=vnode_shape style=filled]
+		nest0_2 [label="Carbon Sequestration Monitoring" color="#D3EB9F" fillcolor="#F8FDD3" shape=document style=filled]
+	}
+	N0 -> N1 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#CD8FF2" penwidth=1.5 style=solid label="researches" dir=forward]
+	N2 -> N3 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#CD8FF2" penwidth=1.5 style=dashed label="conserves" dir=forward]
+	N6 -> N7 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#CD8FF2" penwidth=1.5 style=solid label="sustains" dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N11 -> N12 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+	N12 -> N13 [color="#EAEFA5" penwidth=1.5 style=dashed label="processes" dir=forward]
+	nest0_0 -> nest0_1 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+	N9 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed label="plans" dir=forward]
+	nest0_2 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N0 -> S0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N3 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	S0 -> N8 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	N6 -> S1 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	S1 -> N8 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	S1 -> N9 [color="#CD8FF2" penwidth=1.5 style=solid label="removes" dir=forward]
+	N4 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_133.txt b/test/diagrams/scanned_easy/diagrams_133.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6530cfabac34ee1acff07d22e63cdeacc0c9069e
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_133.txt
@@ -0,0 +1,25 @@
+<Carbon Sequestration Monitoring, connectedTo, Reforestation>
+<Carbon Sequestration Monitoring, partOf, Carbon Sequestration Monitoring>
+<Drone Surveying for Forests, connectedTo, Forest Carbon Accounting>
+<Forest Carbon Accounting, connectedTo, Forest Health Monitoring>
+<Forest Health Monitoring, connectedTo, Drone Surveying for Forests>
+<Forest Health Monitoring, connectedTo, Indigenous Forestry Practices>
+<Forest Research, connectedTo, Forest Carbon Accounting>
+<Forest Research, connectedTo, Illegal Logging Prevention>
+<Forest Research, connectedTo, Reforestation>
+<Forest Road Construction, processes, Forestry Policy Development>
+<Forestry Education, connectedTo, Reforestation>
+<Illegal Logging Prevention, researches, Drone Surveying for Forests>
+<Indigenous Forestry Practices, conserves, Non_Timber Forest Product Collection>
+<Non_Timber Forest Product Collection, connectedTo, Forestry Education>
+<Non_Timber Forest Product Collection, connectedTo, Reforestation>
+<Non_Timber Forest Product Collection, removes, Sawmill Processing>
+<Pest and Disease Control, connectedTo, Tree Nursery Management>
+<Pest and Disease Control, partOf, Pest and Disease Control>
+<Public Access Management, connectedTo, Forest Road Construction>
+<Reforestation, connectedTo, Sawmill Processing>
+<Sawmill Processing, plans, Pest and Disease Control>
+<Sawmill Processing, sustains, Soil Conservation>
+<Soil Conservation, connectedTo, Public Access Management>
+<Tree Nursery Management, connectedTo, Carbon Sequestration Monitoring>
+<Tree Nursery Management, partOf, Tree Nursery Management>
diff --git a/test/diagrams/scanned_easy/diagrams_134.dot b/test/diagrams/scanned_easy/diagrams_134.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f2f52fd7f6bc28c8b0a4aa18a545459793bca69c
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_134.dot
@@ -0,0 +1,44 @@
+digraph {
+	rankdir=TB
+	N0 [label="Sustainable Forest Management" color="#FFD54F" fillcolor="#FFF8E1" shape=action style=filled]
+	N1 [label="Public Access Management" color="#E91E63" fillcolor="#F8BBD0" shape=database style=filled]
+	N2 [label="Recreation Management" color="#FFD54F" fillcolor="#FFF8E1" shape=action style=filled]
+	N3 [label="Forestry Equipment Maintenance" color="#E91E63" fillcolor="#F8BBD0" shape=multipledocuments style=filled]
+	N4 [label="Forest Health Monitoring" color="#E91E63" fillcolor="#F8BBD0" shape=preparation style=filled]
+	N5 [label="Drone Surveying for Forests" color="#E91E63" fillcolor="#F8BBD0" shape=preparation style=filled]
+	N6 [label="Forest Research" color="#DCE775" fillcolor="#FCFCE7" shape=rectangle style=filled]
+	N7 [label="Timber Harvesting" color="#FFD54F" fillcolor="#FFF8E1" shape=vnode_shape style=filled]
+	N8 [label="Tree Nursery Management" color="#DCE775" fillcolor="#FCFCE7" shape=database style=filled]
+	N9 [label="Climate Change Adaptation in Forests" color="#E91E63" fillcolor="#F8BBD0" shape=vnode_shape style=filled]
+	N10 [label="Indigenous Forestry Practices" color="#DCE775" fillcolor="#FCFCE7" shape=multipledocuments style=filled]
+	N11 [label="Forestry Policy Development" color="#FFD54F" fillcolor="#FFF8E1" shape=rect style=filled]
+	S0 [label="" color="#DCE775" fillcolor="#FCFCE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#DCE775" fillcolor="#FCFCE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Biodiversity Conservation in Forests {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Biodiversity Conservation in Forests"
+		nest0_0 [label="Wood Product Manufacturing" color="#FFD54F" fillcolor="#FFF8E1" shape=diamond style=filled]
+		nest0_1 [label="Erosion Control" color="#FFD54F" fillcolor="#FFF8E1" shape=vnode_shape style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#DCE775" penwidth=1.5 style=solid label="restores" dir=forward]
+	N9 -> N10 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#E91E63" penwidth=1.5 style=dashed label="prunes" dir=forward]
+	nest0_0 -> nest0_1 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N4 -> nest0_0 [color="#E91E63" penwidth=1.5 style=solid label="audits" dir=forward]
+	nest0_1 -> N9 [color="#E91E63" penwidth=1.5 style=solid label="sustains" dir=forward]
+	N4 -> S0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N7 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N6 [color="#FFD54F" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N6 -> M0 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N3 -> M0 [color="#FFD54F" penwidth=1.5 style=dashed label="repairs" dir=forward]
+	M0 -> N9 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_134.txt b/test/diagrams/scanned_easy/diagrams_134.txt
new file mode 100644
index 0000000000000000000000000000000000000000..19f51af419c9bddee017a7db7b6a1bc6b11117c7
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_134.txt
@@ -0,0 +1,18 @@
+<Climate Change Adaptation in Forests, connectedTo, Indigenous Forestry Practices>
+<Drone Surveying for Forests, connectedTo, Forest Research>
+<Erosion Control, sustains, Climate Change Adaptation in Forests>
+<Forest Health Monitoring, analyzes, Forest Research>
+<Forest Health Monitoring, audits, Wood Product Manufacturing>
+<Forest Health Monitoring, connectedTo, Drone Surveying for Forests>
+<Forest Health Monitoring, connectedTo, Timber Harvesting>
+<Forest Research, connectedTo, Climate Change Adaptation in Forests>
+<Forest Research, connectedTo, Timber Harvesting>
+<Forestry Equipment Maintenance, connectedTo, Forest Health Monitoring>
+<Forestry Equipment Maintenance, repairs, Climate Change Adaptation in Forests>
+<Indigenous Forestry Practices, prunes, Forestry Policy Development>
+<Public Access Management, connectedTo, Recreation Management>
+<Recreation Management, connectedTo, Forestry Equipment Maintenance>
+<Sustainable Forest Management, connectedTo, Public Access Management>
+<Timber Harvesting, connectedTo, Tree Nursery Management>
+<Tree Nursery Management, restores, Climate Change Adaptation in Forests>
+<Wood Product Manufacturing, connectedTo, Erosion Control>
diff --git a/test/diagrams/scanned_easy/diagrams_135.txt b/test/diagrams/scanned_easy/diagrams_135.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9594009dad8e02bd04a740054e632fa7725c1875
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_135.txt
@@ -0,0 +1,19 @@
+<Erosion Control, connectedTo, Forest Certification>
+<Erosion Control, connectedTo, Indigenous Forestry Practices>
+<Erosion Control, connectedTo, Tree Nursery Management>
+<Erosion Control, controls, Wildlife Habitat Management>
+<Forest Certification, connectedTo, Silviculture>
+<Forest Certification, connectedTo, Tree Nursery Management>
+<Forest Certification, transports, Wildlife Habitat Management>
+<Indigenous Forestry Practices, maps, Tree Nursery Management>
+<Indigenous Forestry Practices, sustains, Forest Certification>
+<Silviculture, connectedTo, Urban Forestry Management>
+<Soil Conservation, connectedTo, Drone Surveying for Forests>
+<Sustainable Forest Management, connectedTo, Wildlife Habitat Management>
+<Tree Nursery Management, researches, Watershed Protection>
+<Urban Forestry Management, treats, Sustainable Forest Management>
+<Watershed Protection, connectedTo, Soil Conservation>
+<Wildlife Habitat Management, connectedTo, Drone Surveying for Forests>
+<Wildlife Habitat Management, connectedTo, Soil Conservation>
+<Wildlife Habitat Management, connectedTo, Tree Nursery Management>
+<Wildlife Habitat Management, connectedTo, Watershed Protection>
diff --git a/test/diagrams/scanned_easy/diagrams_136.txt b/test/diagrams/scanned_easy/diagrams_136.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d32bc826fc5cc83e17aa2c9cbc8b8dd8b927c6dc
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_136.txt
@@ -0,0 +1,20 @@
+<Allergy Testing, connectedTo, Diagnosis>
+<Diagnosis, connectedTo, Pre_surgical Assessment>
+<Equine Care, connectedTo, Livestock Disease Prevention>
+<Farm Animal Health Management, connectedTo, Veterinary Pathology>
+<Genetic Counseling for Animals, orders, Surgery>
+<Herd Health Programs, connectedTo, Equine Care>
+<Herd Health Programs, connectedTo, Imaging Services>
+<Herd Health Programs, connectedTo, Livestock Disease Prevention>
+<Imaging Services, connectedTo, Livestock Disease Prevention>
+<Imaging Services, connectedTo, Public Health Vet Services>
+<Imaging Services, euthanizes, Equine Care>
+<Livestock Disease Prevention, vaccinates, Allergy Testing>
+<Pre_surgical Assessment, connectedTo, Farm Animal Health Management>
+<Public Health Vet Services, connectedTo, Allergy Testing>
+<Public Health Vet Services, connectedTo, Genetic Counseling for Animals>
+<Public Health Vet Services, connectedTo, Livestock Disease Prevention>
+<Public Health Vet Services, connectedTo, Pre_surgical Assessment>
+<Public Health Vet Services, reproduces, Equine Care>
+<Surgery, connectedTo, Diagnosis>
+<Veterinary Pathology, admits, Nutritional Counseling>
diff --git a/test/diagrams/scanned_easy/diagrams_137.txt b/test/diagrams/scanned_easy/diagrams_137.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d746eb2a0d5c724698a1662c26684c6fad736e27
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_137.txt
@@ -0,0 +1,20 @@
+<Allergy Testing, connectedTo, Laboratory Testing>
+<Allergy Testing, connectedTo, Spay or Neuter Procedure>
+<Allergy Testing, partOf, Allergy Testing>
+<Animal Welfare Assessment, partOf, Animal Welfare Assessment>
+<Animal Welfare Assessment, prescribes, Allergy Testing>
+<Behavioral Counseling, connectedTo, Genetic Counseling for Animals>
+<Behavioral Counseling, connectedTo, Livestock Disease Prevention>
+<Genetic Counseling for Animals, connectedTo, Surgery>
+<Laboratory Testing, tests, Veterinary Pathology>
+<Laboratory Testing, treats, Genetic Counseling for Animals>
+<Livestock Disease Prevention, connectedTo, Allergy Testing>
+<Livestock Disease Prevention, connectedTo, Pharmacy Management>
+<Livestock Disease Prevention, consults, Genetic Counseling for Animals>
+<Pharmacy Management, inspects, Animal Welfare Assessment>
+<Pharmacy Management, partOf, Pharmacy Management>
+<Spay or Neuter Procedure, bills, Euthanasia Services>
+<Spay or Neuter Procedure, connectedTo, Behavioral Counseling>
+<Spay or Neuter Procedure, partOf, Spay or Neuter Procedure>
+<Surgery, medicates, Euthanasia Services>
+<Veterinary Pathology, connectedTo, Behavioral Counseling>
diff --git a/test/diagrams/scanned_easy/diagrams_138.dot b/test/diagrams/scanned_easy/diagrams_138.dot
new file mode 100644
index 0000000000000000000000000000000000000000..04bc44f7e7172fa045bfcd75d94f3059b59e2b4f
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_138.dot
@@ -0,0 +1,40 @@
+digraph {
+	rankdir=TB
+	N0 [label="Diagnosis" color="#5C6BC0" fillcolor="#E8EAF6" shape=preparation style=filled]
+	N1 [label="Veterinary Technology Training" color="#DCE775" fillcolor="#FCFCE7" shape=vnode_shape style=filled]
+	N2 [label="Imaging Services" color="#5C6BC0" fillcolor="#E8EAF6" shape=inputoutput style=filled]
+	N3 [label="Prescription" color="#5C6BC0" fillcolor="#E8EAF6" shape=preparation style=filled]
+	N4 [label="Pharmacy Management" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N5 [label="Euthanasia Services" color="#5C6BC0" fillcolor="#E8EAF6" shape=document style=filled]
+	N6 [label="Parasite Control" color="#DCE775" fillcolor="#FCFCE7" shape=preparation style=filled]
+	N7 [label="Microchipping" color="#66BB6A" fillcolor="#E8F5E9" shape=hexagon style=filled]
+	N8 [label="Dental Care" color="#66BB6A" fillcolor="#E8F5E9" shape=action style=filled]
+	N9 [label="Pain Management" color="#DCE775" fillcolor="#FCFCE7" shape=action style=filled]
+	S0 [label="" color="#DCE775" fillcolor="#FCFCE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#DCE775" fillcolor="#FCFCE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Livestock Disease Prevention {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Livestock Disease Prevention"
+		nest0_0 [label="Emergency Vet Services" color="#5C6BC0" fillcolor="#E8EAF6" shape=rect style=filled]
+		nest0_1 [label="Hospice Care for Animals" color="#DCE775" fillcolor="#FCFCE7" shape=preparation style=filled]
+	}
+	N0 -> N1 [color="#66BB6A" penwidth=1.5 style=dashed label="anesthetizes" dir=forward]
+	N1 -> N2 [color="#DCE775" penwidth=1.5 style=dashed label="consults" dir=forward]
+	N2 -> N3 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="tests" dir=forward]
+	N5 -> N6 [color="#5C6BC0" penwidth=1.5 style=solid label="communicates" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="rehabilitates" dir=forward]
+	N7 -> N8 [color="#5C6BC0" penwidth=1.5 style=solid label="regulates" dir=forward]
+	N8 -> N9 [color="#66BB6A" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	N4 -> nest0_0 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> S0 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N7 [color="#66BB6A" penwidth=1.5 style=solid label="monitors" dir=forward]
+	S0 -> N9 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M0 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M0 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N5 [color="#66BB6A" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_138.txt b/test/diagrams/scanned_easy/diagrams_138.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e4b82ca2710abafb2073077b7c60efa89b64907c
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_138.txt
@@ -0,0 +1,16 @@
+<Dental Care, connectedTo, Pain Management>
+<Diagnosis, anesthetizes, Veterinary Technology Training>
+<Diagnosis, connectedTo, Euthanasia Services>
+<Emergency Vet Services, connectedTo, Hospice Care for Animals>
+<Euthanasia Services, communicates, Parasite Control>
+<Euthanasia Services, connectedTo, Pain Management>
+<Euthanasia Services, monitors, Microchipping>
+<Hospice Care for Animals, connectedTo, Pharmacy Management>
+<Imaging Services, connectedTo, Euthanasia Services>
+<Imaging Services, connectedTo, Prescription>
+<Microchipping, regulates, Dental Care>
+<Parasite Control, rehabilitates, Microchipping>
+<Pharmacy Management, connectedTo, Emergency Vet Services>
+<Pharmacy Management, tests, Euthanasia Services>
+<Prescription, connectedTo, Pharmacy Management>
+<Veterinary Technology Training, consults, Imaging Services>
diff --git a/test/diagrams/scanned_easy/diagrams_14.dot b/test/diagrams/scanned_easy/diagrams_14.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9b27078faab7c0707987cdce171593aa3ebf8f53
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_14.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=LR
+	N0 [label="K9 Unit Deployment" color="#9C27B0" fillcolor="#E1BEE7" shape=rect style=filled]
+	N1 [label="Community Outreach" color="#9C27B0" fillcolor="#E1BEE7" shape=inputoutput style=filled]
+	N2 [label="Incident Reporting" color="#FFF8A6" fillcolor="#FFFDE0" shape=multipledocuments style=filled]
+	N3 [label="Evacuation Planning" color="#FFF8A6" fillcolor="#FFFDE0" shape=inputoutput style=filled]
+	N4 [label="Shelter Setup" color="#D3EB9F" fillcolor="#F8FDD3" shape=multipledocuments style=filled]
+	N5 [label="Traffic Control" color="#9C27B0" fillcolor="#E1BEE7" shape=hexagon style=filled]
+	N6 [label="SWAT Team Activation" color="#9C27B0" fillcolor="#E1BEE7" shape=preparation style=filled]
+	N7 [label="Hostage Negotiation" color="#D3EB9F" fillcolor="#F8FDD3" shape=hexagon style=filled]
+	N8 [label="Cybersecurity Threat Response" color="#FFF8A6" fillcolor="#FFFDE0" shape=inputoutput style=filled]
+	N9 [label="Border Security" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	N10 [label="Suspect Identification" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	N0 -> N1 [color="#D3EB9F" penwidth=1.5 style=dashed label="debriefs" dir=forward]
+	N1 -> N2 [color="#FFF8A6" penwidth=1.5 style=solid label="collaborates" dir=forward]
+	N2 -> N3 [color="#9C27B0" penwidth=1.5 style=dashed label="plans" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="identifies" dir=forward]
+	N4 -> N5 [color="#D3EB9F" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N5 -> N6 [color="#9C27B0" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#9C27B0" penwidth=1.5 style=solid label="coordinates" dir=forward]
+	N7 -> N8 [color="#FFF8A6" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#D3EB9F" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N3 [color="#FFF8A6" penwidth=1.5 style=solid label="controls" dir=forward]
+	N4 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_14.txt b/test/diagrams/scanned_easy/diagrams_14.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3ca9c6052be06da0eea79f255fba3d382a205cca
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_14.txt
@@ -0,0 +1,12 @@
+<Border Security, connectedTo, Suspect Identification>
+<Community Outreach, collaborates, Incident Reporting>
+<Cybersecurity Threat Response, connectedTo, Border Security>
+<Evacuation Planning, identifies, Shelter Setup>
+<Hostage Negotiation, connectedTo, Cybersecurity Threat Response>
+<Hostage Negotiation, controls, Evacuation Planning>
+<Incident Reporting, plans, Evacuation Planning>
+<K9 Unit Deployment, debriefs, Community Outreach>
+<SWAT Team Activation, coordinates, Hostage Negotiation>
+<Shelter Setup, connectedTo, SWAT Team Activation>
+<Shelter Setup, secures, Traffic Control>
+<Traffic Control, connectedTo, SWAT Team Activation>
diff --git a/test/diagrams/scanned_easy/diagrams_140.dot b/test/diagrams/scanned_easy/diagrams_140.dot
new file mode 100644
index 0000000000000000000000000000000000000000..44c111de15fd0cb89b307a31f86c497e7b23c254
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_140.dot
@@ -0,0 +1,46 @@
+digraph {
+	rankdir=LR
+	N0 [label="Parent Communication" color="#FFD54F" fillcolor="#FFF8E1" shape=rectangle style=filled]
+	N1 [label="Behavior Management" color="#FFE470" fillcolor="#FFFAE0" shape=predefinedprocess style=filled]
+	N2 [label="Teacher_Child Ratio Management" color="#FFE470" fillcolor="#FFFAE0" shape=preparation style=filled]
+	N3 [label="Hygiene Practices" color="#3F51B5" fillcolor="#C5CAE9" shape=hexagon style=filled]
+	N4 [label="Individualized Attention" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
+	N5 [label="Toddler Activities" color="#3F51B5" fillcolor="#C5CAE9" shape=predefinedprocess style=filled]
+	N6 [label="Outdoor Play Supervision" color="#FFD54F" fillcolor="#FFF8E1" shape=preparation style=filled]
+	N7 [label="Field Trip Organization" color="#3F51B5" fillcolor="#C5CAE9" shape=rectangle style=filled]
+	N8 [label="Child Psychology Application" color="#FFE470" fillcolor="#FFFAE0" shape=parallelogram style=filled]
+	N9 [label="Enrollment and Admissions" color="#FFE470" fillcolor="#FFFAE0" shape=diamond style=filled]
+	N10 [label="Creative Arts Activities" color="#FFD54F" fillcolor="#FFF8E1" shape=document style=filled]
+	N11 [label="Music and Movement Activities" color="#FFD54F" fillcolor="#FFF8E1" shape=diamond style=filled]
+	N12 [label="First Aid Administration" color="#FFE470" fillcolor="#FFFAE0" shape=inputoutput style=filled]
+	S0 [label="" color="#3F51B5" fillcolor="#C5CAE9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFE470" fillcolor="#FFFAE0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Child Protection Policies {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Child Protection Policies"
+		nest0_0 [label="Staff Training and Certification" color="#FFE470" fillcolor="#FFFAE0" shape=document style=filled]
+		nest0_1 [label="Child Development Assessment" color="#FFE470" fillcolor="#FFFAE0" shape=parallelogram style=filled]
+	}
+	N0 -> N1 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="documents" dir=forward]
+	N3 -> N4 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="advises" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed label="reports" dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N11 -> N12 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#3F51B5" penwidth=1.5 style=dashed label="monitors" dir=forward]
+	N5 -> nest0_0 [color="#FFD54F" penwidth=1.5 style=dashed label="observes" dir=forward]
+	nest0_1 -> N12 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N7 -> S0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N9 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N11 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#000000" penwidth=1.5 style=dashed label="accommodates" dir=forward]
+	N0 -> M0 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	M0 -> N3 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_142.dot b/test/diagrams/scanned_easy/diagrams_142.dot
new file mode 100644
index 0000000000000000000000000000000000000000..253a7d659dd74992318b3cb0b7383b6b69c7137f
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_142.dot
@@ -0,0 +1,53 @@
+digraph {
+	rankdir=RL
+	N0 [label="Long_Term Care Planning" color="#9575CD" fillcolor="#EDE7F6" shape=action style=filled]
+	N1 [label="Mobility Support" color="#9575CD" fillcolor="#EDE7F6" shape=rectangle style=filled]
+	N2 [label="Recreational Activities Planning" color="#9C27B0" fillcolor="#E1BEE7" shape=action style=filled]
+	N3 [label="Care Plan Development" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+	N4 [label="Daily Living Assistance" color="#9575CD" fillcolor="#EDE7F6" shape=preparation style=filled]
+	N5 [label="Chronic Disease Management" color="#9575CD" fillcolor="#EDE7F6" shape=multipledocuments style=filled]
+	N6 [label="Family Communication" color="#9575CD" fillcolor="#EDE7F6" shape=document style=filled]
+	N7 [label="Dementia Care" color="#673AB7" fillcolor="#D1C4E9" shape=multipledocuments style=filled]
+	N8 [label="Memory Care" color="#9C27B0" fillcolor="#E1BEE7" shape=predefinedprocess style=filled]
+	N9 [label="Palliative Care" color="#673AB7" fillcolor="#D1C4E9" shape=document style=filled]
+	N10 [label="Caregiver Training" color="#673AB7" fillcolor="#D1C4E9" shape=database style=filled]
+	N11 [label="Companionship" color="#9C27B0" fillcolor="#E1BEE7" shape=hexagon style=filled]
+	N12 [label="Nutritional Assessment" color="#9575CD" fillcolor="#EDE7F6" shape=parallelogram style=filled]
+	N13 [label="Smart Home Integration for Seniors" color="#673AB7" fillcolor="#D1C4E9" shape=parallelogram style=filled]
+	S0 [label="" color="#9C27B0" fillcolor="#E1BEE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#9C27B0" fillcolor="#E1BEE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#9C27B0" fillcolor="#E1BEE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Meal Preparation {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Meal Preparation"
+		nest0_0 [label="Respite Care" color="#9575CD" fillcolor="#EDE7F6" shape=multipledocuments style=filled]
+		nest0_1 [label="Telehealth for Seniors" color="#9575CD" fillcolor="#EDE7F6" shape=action style=filled]
+	}
+	N0 -> N1 [color="#9C27B0" penwidth=1.5 style=solid label="guides" dir=forward]
+	N1 -> N2 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#9575CD" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#9575CD" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#9C27B0" penwidth=1.5 style=dashed label="prevents" dir=forward]
+	N6 -> N7 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#9C27B0" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#673AB7" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#9C27B0" penwidth=1.5 style=solid label="comforts" dir=forward]
+	N11 -> N12 [color="#673AB7" penwidth=1.5 style=solid dir=forward]
+	N12 -> N13 [color="#673AB7" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> nest0_0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> S0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N3 [color="#673AB7" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N12 [color="#000000" penwidth=1.5 style=dashed label="activates" dir=forward]
+	N6 -> M0 [color="#9575CD" penwidth=1.5 style=dashed dir=forward]
+	N8 -> M0 [color="#9C27B0" penwidth=1.5 style=dashed label="medicates" dir=forward]
+	N1 -> M0 [color="#673AB7" penwidth=1.5 style=solid label="engages" dir=forward]
+	M0 -> N12 [color="#673AB7" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M1 [color="#673AB7" penwidth=1.5 style=dashed label="administers" dir=forward]
+	N1 -> M1 [color="#9575CD" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_143.txt b/test/diagrams/scanned_easy/diagrams_143.txt
new file mode 100644
index 0000000000000000000000000000000000000000..03a2d6c7e4ffc6cf4252fa00463adb553442b7fe
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_143.txt
@@ -0,0 +1,17 @@
+<Caregiver Training, connectedTo, Care Plan Development>
+<Caregiver Training, connectedTo, Pain Management>
+<Dementia Care, communicates, Fall Prevention>
+<Fall Prevention, connectedTo, Legal Aid Referrals>
+<Legal Aid Referrals, connectedTo, Social Engagement Activities>
+<Mobility Support, comforts, Rehabilitation Support>
+<Nursing Care, rehabilitates, Dementia Care>
+<Occupational Therapy, connectedTo, Nursing Care>
+<Occupational Therapy, connectedTo, Social Engagement Activities>
+<Pain Management, connectedTo, Care Plan Development>
+<Pain Management, connectedTo, Mobility Support>
+<Pain Management, documents, Rehabilitation Support>
+<Pain Management, engages, Occupational Therapy>
+<Rehabilitation Support, connectedTo, Care Plan Development>
+<Rehabilitation Support, connectedTo, Occupational Therapy>
+<Rehabilitation Support, connectedTo, Social Engagement Activities>
+<Social Engagement Activities, connectedTo, Care Plan Development>
diff --git a/test/diagrams/scanned_easy/diagrams_144.dot b/test/diagrams/scanned_easy/diagrams_144.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3fd28085d273cd968e8f2a9cf4fbea2f96a0b71f
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_144.dot
@@ -0,0 +1,42 @@
+digraph {
+	rankdir=RL
+	N0 [label="Personal Care Assistance" color="#AF56A6" fillcolor="#DDCEDD" shape=document style=filled]
+	N1 [label="Emotional Support and Counseling" color="#B0C5CD" fillcolor="#DFE7EB" shape=action style=filled]
+	N2 [label="Caregiver Training" color="#FBC02D" fillcolor="#FFFDE7" shape=inputoutput style=filled]
+	N3 [label="Pain Management" color="#AF56A6" fillcolor="#DDCEDD" shape=preparation style=filled]
+	N4 [label="Medication Management" color="#FBC02D" fillcolor="#FFFDE7" shape=action style=filled]
+	N5 [label="Speech Therapy" color="#AF56A6" fillcolor="#DDCEDD" shape=inputoutput style=filled]
+	N6 [label="Long_Term Care Planning" color="#B0C5CD" fillcolor="#DFE7EB" shape=vnode_shape style=filled]
+	N7 [label="Fall Prevention" color="#FBC02D" fillcolor="#FFFDE7" shape=parallelogram style=filled]
+	N8 [label="Mobility Support" color="#AF56A6" fillcolor="#DDCEDD" shape=database style=filled]
+	S0 [label="" color="#AF56A6" fillcolor="#DDCEDD" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#FBC02D" fillcolor="#FFFDE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#B0C5CD" fillcolor="#DFE7EB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Financial Management Assistance {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Financial Management Assistance"
+		nest0_0 [label="Occupational Therapy" color="#AF56A6" fillcolor="#DDCEDD" shape=database style=filled]
+		nest0_1 [label="Chronic Disease Management" color="#B0C5CD" fillcolor="#DFE7EB" shape=rect style=filled]
+	}
+	N0 -> N1 [color="#B0C5CD" penwidth=1.5 style=dashed label="accompanies" dir=forward]
+	N1 -> N2 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FBC02D" penwidth=1.5 style=solid label="facilitates" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="prevents" dir=forward]
+	N4 -> N5 [color="#FBC02D" penwidth=1.5 style=solid label="transports" dir=forward]
+	N5 -> N6 [color="#B0C5CD" penwidth=1.5 style=solid label="manages" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> nest0_0 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> N3 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N2 -> S0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N4 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	S0 -> N6 [color="#AF56A6" penwidth=1.5 style=solid dir=forward]
+	N2 -> S1 [color="#AF56A6" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N7 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N0 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N6 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_146.dot b/test/diagrams/scanned_easy/diagrams_146.dot
new file mode 100644
index 0000000000000000000000000000000000000000..660972f16a085718f00efdf2a62366007f69d342
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_146.dot
@@ -0,0 +1,56 @@
+digraph {
+	rankdir=RL
+	N0 [label="Damage Assessment" color="#2196F3" fillcolor="#BBDEFB" shape=preparation style=filled]
+	N1 [label="Hazard Mapping" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+	N2 [label="Debris Management" color="#2196F3" fillcolor="#BBDEFB" shape=rectangle style=filled]
+	N3 [label="Geographic Information Systems for Disasters" color="#FFC085" fillcolor="#FFDAB9" shape=inputoutput style=filled]
+	N4 [label="Post_Disaster Evaluation" color="#FFC085" fillcolor="#FFDAB9" shape=ellipse style=filled]
+	N5 [label="Vulnerability Analysis" color="#2196F3" fillcolor="#BBDEFB" shape=hexagon style=filled]
+	N6 [label="Public Awareness Campaigns" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	N7 [label="Community Preparedness" color="#BDBDBD" fillcolor="#F5F5F5" shape=document style=filled]
+	N8 [label="Drone Deployment for Assessment" color="#2196F3" fillcolor="#BBDEFB" shape=document style=filled]
+	N9 [label="Resource Mobilization" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	N10 [label="Communication Protocols" color="#2196F3" fillcolor="#BBDEFB" shape=hexagon style=filled]
+	N11 [label="Search and Rescue Operations" color="#FFC085" fillcolor="#FFDAB9" shape=rect style=filled]
+	N12 [label="Cash Transfer Programs" color="#BDBDBD" fillcolor="#F5F5F5" shape=parallelogram style=filled]
+	S0 [label="" color="#2196F3" fillcolor="#BBDEFB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#BDBDBD" fillcolor="#F5F5F5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#2196F3" fillcolor="#BBDEFB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#BDBDBD" fillcolor="#F5F5F5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Capacity Building for Local Communities {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Capacity Building for Local Communities"
+		nest0_0 [label="Psychosocial Support" color="#2196F3" fillcolor="#BBDEFB" shape=hexagon style=filled]
+		nest0_1 [label="Economic Recovery Initiatives" color="#BDBDBD" fillcolor="#F5F5F5" shape=preparation style=filled]
+		nest0_2 [label="Satellite Imagery Analysis" color="#BDBDBD" fillcolor="#F5F5F5" shape=parallelogram style=filled]
+	}
+	N0 -> N1 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFC085" penwidth=1.5 style=solid label="protects" dir=forward]
+	N4 -> N5 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#BDBDBD" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="provides" dir=forward]
+	N7 -> N8 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#BDBDBD" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> nest0_0 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> N10 [color="#FFC085" penwidth=1.5 style=solid label="prevents" dir=forward]
+	N7 -> S0 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	S0 -> N12 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N9 [color="#FFC085" penwidth=1.5 style=dashed label="mitigates" dir=forward]
+	N2 -> S1 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	S1 -> N12 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	S1 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> M0 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	M0 -> N12 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N8 -> M1 [color="#FFC085" penwidth=1.5 style=dashed label="reports" dir=forward]
+	N4 -> M1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N10 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_147.dot b/test/diagrams/scanned_easy/diagrams_147.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f3ba26fcda65b8587324df94569994794229acf5
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_147.dot
@@ -0,0 +1,42 @@
+digraph {
+	rankdir=BT
+	N0 [label="Infrastructure Repair" color="#FF5722" fillcolor="#FFCCBC" shape=predefinedprocess style=filled]
+	N1 [label="Public Awareness Campaigns" color="#81C784" fillcolor="#F1F8E9" shape=action style=filled]
+	N2 [label="Debris Management" color="#FF5722" fillcolor="#FFCCBC" shape=action style=filled]
+	N3 [label="Emergency Planning" color="#81C784" fillcolor="#F1F8E9" shape=vnode_shape style=filled]
+	N4 [label="Satellite Imagery Analysis" color="#FF5722" fillcolor="#FFCCBC" shape=action style=filled]
+	N5 [label="Climate Change Adaptation for Disasters" color="#FF5722" fillcolor="#FFCCBC" shape=document style=filled]
+	N6 [label="Vulnerability Analysis" color="#81C784" fillcolor="#F1F8E9" shape=document style=filled]
+	N7 [label="Search and Rescue Operations" color="#FF5722" fillcolor="#FFCCBC" shape=preparation style=filled]
+	N8 [label="Capacity Building for Local Communities" color="#BA68C8" fillcolor="#F3E5F5" shape=database style=filled]
+	S1 [label="" color="#FF5722" fillcolor="#FFCCBC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FF5722" fillcolor="#FFCCBC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Communication Protocols {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Communication Protocols"
+		nest0_0 [label="Emergency Drills and Exercises" color="#BA68C8" fillcolor="#F3E5F5" shape=preparation style=filled]
+		nest0_1 [label="Policy and Legislation Review" color="#FF5722" fillcolor="#FFCCBC" shape=database style=filled]
+		nest0_2 [label="Drone Deployment for Assessment" color="#BA68C8" fillcolor="#F3E5F5" shape=hexagon style=filled]
+	}
+	N0 -> N1 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#81C784" penwidth=1.5 style=dashed label="alerts" dir=forward]
+	nest0_0 -> nest0_1 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> nest0_0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> N8 [color="#FF5722" penwidth=1.5 style=dashed label="evacuates" dir=forward]
+	N3 -> S1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N8 [color="#BA68C8" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	S1 -> N6 [color="#000000" penwidth=1.5 style=solid label="plans" dir=forward]
+	S1 -> N5 [color="#FF5722" penwidth=1.5 style=dashed label="identifies" dir=forward]
+	N2 -> M0 [color="#BA68C8" penwidth=1.5 style=dashed label="simulates" dir=forward]
+	N5 -> M0 [color="#81C784" penwidth=1.5 style=dashed label="drills" dir=forward]
+	N3 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N8 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_147.txt b/test/diagrams/scanned_easy/diagrams_147.txt
new file mode 100644
index 0000000000000000000000000000000000000000..722e8346f0414135597fd40f0f586c39b923451d
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_147.txt
@@ -0,0 +1,18 @@
+<Climate Change Adaptation for Disasters, connectedTo, Vulnerability Analysis>
+<Climate Change Adaptation for Disasters, drills, Capacity Building for Local Communities>
+<Debris Management, connectedTo, Emergency Planning>
+<Debris Management, simulates, Capacity Building for Local Communities>
+<Drone Deployment for Assessment, evacuates, Capacity Building for Local Communities>
+<Emergency Drills and Exercises, connectedTo, Policy and Legislation Review>
+<Emergency Planning, analyzes, Capacity Building for Local Communities>
+<Emergency Planning, connectedTo, Capacity Building for Local Communities>
+<Emergency Planning, connectedTo, Emergency Drills and Exercises>
+<Emergency Planning, connectedTo, Satellite Imagery Analysis>
+<Emergency Planning, identifies, Climate Change Adaptation for Disasters>
+<Emergency Planning, plans, Vulnerability Analysis>
+<Infrastructure Repair, connectedTo, Public Awareness Campaigns>
+<Policy and Legislation Review, connectedTo, Drone Deployment for Assessment>
+<Public Awareness Campaigns, connectedTo, Debris Management>
+<Satellite Imagery Analysis, connectedTo, Climate Change Adaptation for Disasters>
+<Search and Rescue Operations, alerts, Capacity Building for Local Communities>
+<Vulnerability Analysis, connectedTo, Search and Rescue Operations>
diff --git a/test/diagrams/scanned_easy/diagrams_149.txt b/test/diagrams/scanned_easy/diagrams_149.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f8212e052a083d2ee2371c9d4d6994eb5f8e9a7c
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_149.txt
@@ -0,0 +1,26 @@
+<Chaplain Services, connectedTo, Disaster Relief Deployment>
+<Chaplain Services, connectedTo, Rules of Engagement>
+<Chaplain Services, warns, Peacekeeping Missions>
+<Combat Operations, connectedTo, Peacekeeping Missions>
+<Counter_Terrorism Operations, connectedTo, Space Operations>
+<Counter_Terrorism Operations, innovates, Crisis Management>
+<Crisis Management, communicates, Medical Support>
+<Cyber Warfare Operations, connectedTo, Readiness Assessment>
+<Cyber Warfare Operations, partOf, Cyber Warfare Operations>
+<Force Projection, connectedTo, Cyber Warfare Operations>
+<Force Projection, partOf, Force Projection>
+<Ground Operations, connectedTo, Chaplain Services>
+<Ground Operations, connectedTo, Rules of Engagement>
+<Ground Operations, inspects, Medical Support>
+<Medical Support, connectedTo, Disaster Relief Deployment>
+<Military Law, connectedTo, Ground Operations>
+<Military Law, connectedTo, Rules of Engagement>
+<Peacekeeping Missions, monitors, Supply Chain Management>
+<Readiness Assessment, partOf, Readiness Assessment>
+<Readiness Assessment, plans, Combat Operations>
+<Rules of Engagement, connectedTo, Combat Operations>
+<Rules of Engagement, connectedTo, Medical Support>
+<Space Operations, partOf, Space Operations>
+<Space Operations, tests, Force Projection>
+<Supply Chain Management, connectedTo, Unmanned Systems Operation>
+<Unmanned Systems Operation, disarms, Counter_Terrorism Operations>
diff --git a/test/diagrams/scanned_easy/diagrams_15.dot b/test/diagrams/scanned_easy/diagrams_15.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8dcb3cf96584b1e8537bc6cde719f330bb4ed089
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_15.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=TB
+	N0 [label="Intellectual Property Protection" color="#FFB74D" fillcolor="#FFF3E0" shape=rectangle style=filled]
+	N1 [label="Premiere Event" color="#FFEB3B" fillcolor="#FFF9C4" shape=rect style=filled]
+	N2 [label="Ticketing Sales" color="#FFE69C" fillcolor="#FFF9D4" shape=predefinedprocess style=filled]
+	N3 [label="Audience Feedback" color="#FFE69C" fillcolor="#FFF9D4" shape=parallelogram style=filled]
+	N4 [label="Set Construction" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	N5 [label="Concert Promotion" color="#FFEB3B" fillcolor="#FFF9C4" shape=hexagon style=filled]
+	N6 [label="Budget Planning" color="#FFE69C" fillcolor="#FFF9D4" shape=database style=filled]
+	N7 [label="Game Development" color="#FFE69C" fillcolor="#FFF9D4" shape=parallelogram style=filled]
+	N8 [label="Location Scouting" color="#FFB74D" fillcolor="#FFF3E0" shape=parallelogram style=filled]
+	N9 [label="Talent Management" color="#FFEB3B" fillcolor="#FFF9C4" shape=parallelogram style=filled]
+	N10 [label="Visual Effects" color="#FFB74D" fillcolor="#FFF3E0" shape=document style=filled]
+	N0 -> N1 [color="#FFE69C" penwidth=1.5 style=solid label="performs" dir=forward]
+	N1 -> N2 [color="#FFE69C" penwidth=1.5 style=dashed label="archives" dir=forward]
+	N2 -> N3 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFB74D" penwidth=1.5 style=dashed label="produces" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFB74D" penwidth=1.5 style=dashed label="animates" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FFE69C" penwidth=1.5 style=dashed label="audits" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_15.txt b/test/diagrams/scanned_easy/diagrams_15.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8af9ec3395dbcdbe9024e26f9028a1daa8407a7a
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_15.txt
@@ -0,0 +1,11 @@
+<Audience Feedback, produces, Set Construction>
+<Budget Planning, connectedTo, Game Development>
+<Concert Promotion, animates, Budget Planning>
+<Game Development, audits, Location Scouting>
+<Intellectual Property Protection, performs, Premiere Event>
+<Location Scouting, connectedTo, Talent Management>
+<Premiere Event, archives, Ticketing Sales>
+<Set Construction, connectedTo, Budget Planning>
+<Set Construction, connectedTo, Concert Promotion>
+<Talent Management, connectedTo, Visual Effects>
+<Ticketing Sales, connectedTo, Audience Feedback>
diff --git a/test/diagrams/scanned_easy/diagrams_150.dot b/test/diagrams/scanned_easy/diagrams_150.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fde48aadf8a12b28330e3b6e39a8e2ef5217d0be
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_150.dot
@@ -0,0 +1,50 @@
+digraph {
+	rankdir=TB
+	N0 [label="Military Law" color="#4DD0E1" fillcolor="#C9F0F0" shape=action style=filled]
+	N1 [label="Air Operations" color="#E91E63" fillcolor="#FCE4EC" shape=diamond style=filled]
+	N2 [label="Military Strategy Development" color="#4DD0E1" fillcolor="#C9F0F0" shape=inputoutput style=filled]
+	N3 [label="Disaster Relief Deployment" color="#42A5F5" fillcolor="#F1F8FF" shape=hexagon style=filled]
+	N4 [label="Operations Planning" color="#42A5F5" fillcolor="#F1F8FF" shape=vnode_shape style=filled]
+	N5 [label="Rules of Engagement" color="#42A5F5" fillcolor="#F1F8FF" shape=database style=filled]
+	N6 [label="Civil_Military Cooperation" color="#42A5F5" fillcolor="#F1F8FF" shape=hexagon style=filled]
+	N7 [label="Supply Chain Management" color="#E91E63" fillcolor="#FCE4EC" shape=vnode_shape style=filled]
+	N8 [label="Reconnaissance" color="#E91E63" fillcolor="#FCE4EC" shape=document style=filled]
+	N9 [label="Space Operations" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	N10 [label="Cyber Warfare Operations" color="#E91E63" fillcolor="#FCE4EC" shape=predefinedprocess style=filled]
+	N11 [label="Troop Deployment" color="#E91E63" fillcolor="#FCE4EC" shape=database style=filled]
+	N12 [label="Logistics Support" color="#4DD0E1" fillcolor="#C9F0F0" shape=document style=filled]
+	M1 [label="" color="#4DD0E1" fillcolor="#C9F0F0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Veteran Support {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Veteran Support"
+		nest0_0 [label="Crisis Management" color="#4DD0E1" fillcolor="#C9F0F0" shape=diamond style=filled]
+		nest0_1 [label="Equipment Maintenance" color="#E91E63" fillcolor="#FCE4EC" shape=preparation style=filled]
+		nest0_2 [label="Counter_Insurgency Operations" color="#42A5F5" fillcolor="#F1F8FF" shape=vnode_shape style=filled]
+		nest0_3 [label="Family Support Programs" color="#42A5F5" fillcolor="#F1F8FF" shape=rectangle style=filled]
+	}
+	N0 -> N1 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#42A5F5" penwidth=1.5 style=solid label="evaluates" dir=forward]
+	N4 -> N5 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#42A5F5" penwidth=1.5 style=solid label="intelligence" dir=forward]
+	N7 -> N8 [color="#E91E63" penwidth=1.5 style=solid label="trains" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="maintains" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid label="secures" dir=forward]
+	N10 -> N11 [color="#42A5F5" penwidth=1.5 style=solid dir=forward]
+	N11 -> N12 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#4DD0E1" penwidth=1.5 style=dashed label="communicates" dir=forward]
+	nest0_2 -> nest0_3 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N4 -> nest0_0 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	nest0_3 -> N3 [color="#42A5F5" penwidth=1.5 style=solid label="coordinates" dir=forward]
+	N1 -> M1 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N6 -> M1 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N5 -> M1 [color="#000000" penwidth=1.5 style=dashed label="negotiates" dir=forward]
+	M1 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N8 [color="#42A5F5" penwidth=1.5 style=solid dir=forward]
+	N6 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> N5 [color="#42A5F5" penwidth=1.5 style=dashed label="operates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_154.txt b/test/diagrams/scanned_easy/diagrams_154.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7dbd4c77aad95ed989f56ffef7e4d0938b4a1874
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_154.txt
@@ -0,0 +1,25 @@
+<Altitude Tracking, connectedTo, Terrestrial Navigation>
+<Autonomous Vehicle Navigation, connectedTo, Digital Compass Integration>
+<Autonomous Vehicle Navigation, connectedTo, Traffic Information>
+<Digital Compass Integration, connectedTo, Terrestrial Navigation>
+<Digital Compass Integration, connectedTo, Wearable Device Navigation>
+<ETA Estimation, connectedTo, Digital Compass Integration>
+<ETA Estimation, displays, Historical Traffic Data Analysis>
+<GPS Positioning, connectedTo, Digital Compass Integration>
+<Hazard Alerts, connectedTo, Navigation Data Update>
+<Historical Traffic Data Analysis, connectedTo, Personalized Route Preferences>
+<Marine Charting, connectedTo, Altitude Tracking>
+<Navigation Data Update, detects, Augmented Reality Navigation>
+<Personalized Route Preferences, connectedTo, Autonomous Vehicle Navigation>
+<Personalized Route Preferences, plans, Digital Compass Integration>
+<Points of Interest Search, connectedTo, Navigation Data Update>
+<Terrestrial Navigation, connectedTo, Augmented Reality Navigation>
+<Terrestrial Navigation, connectedTo, Navigation Data Update>
+<Terrestrial Navigation, locates, Points of Interest Search>
+<Terrestrial Navigation, tracks, Waypoint Setting>
+<Traffic Information, calculates, GPS Positioning>
+<Traffic Information, connectedTo, Terrestrial Navigation>
+<Turn_by_Turn Directions, connectedTo, Marine Charting>
+<Waypoint Setting, analyzes, Hazard Alerts>
+<Wearable Device Navigation, connectedTo, Terrestrial Navigation>
+<Wearable Device Navigation, connectedTo, Turn_by_Turn Directions>
diff --git a/test/diagrams/scanned_easy/diagrams_155.txt b/test/diagrams/scanned_easy/diagrams_155.txt
new file mode 100644
index 0000000000000000000000000000000000000000..84b0a90e1bbce1a8c283c5baee28e334c56b067b
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_155.txt
@@ -0,0 +1,22 @@
+<Aeronautical Charting, connectedTo, Points of Interest Search>
+<Altitude Tracking, calibrates, Points of Interest Search>
+<Altitude Tracking, connectedTo, Hazard Alerts>
+<Altitude Tracking, orients, Speed Calculation>
+<Celestial Navigation, connectedTo, Altitude Tracking>
+<Dead Reckoning, connectedTo, Route Calculation>
+<Hazard Alerts, alerts, Public Transit Navigation>
+<Hazard Alerts, connectedTo, Location_Based Services>
+<Indoor Navigation, connectedTo, Topographic Mapping>
+<Inertial Navigation System, connectedTo, Personalized Route Preferences>
+<Personalized Route Preferences, connectedTo, Location_Based Services>
+<Personalized Route Preferences, connectedTo, Wearable Device Navigation>
+<Points of Interest Search, connectedTo, Location_Based Services>
+<Public Transit Navigation, connectedTo, Dead Reckoning>
+<Public Transit Navigation, connectedTo, Indoor Navigation>
+<Route Calculation, connectedTo, Location_Based Services>
+<Route Calculation, connectedTo, Points of Interest Search>
+<Route Calculation, locates, Speed Calculation>
+<Speed Calculation, connectedTo, Points of Interest Search>
+<Topographic Mapping, follows, Waypoint Setting>
+<Waypoint Setting, searches, Aeronautical Charting>
+<Wearable Device Navigation, connectedTo, Celestial Navigation>
diff --git a/test/diagrams/scanned_easy/diagrams_156.dot b/test/diagrams/scanned_easy/diagrams_156.dot
new file mode 100644
index 0000000000000000000000000000000000000000..37dafcfca972d3790bd22d977335b704d8165184
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_156.dot
@@ -0,0 +1,50 @@
+digraph {
+	rankdir=BT
+	N0 [label="Inertial Navigation System" color="#7986CB" fillcolor="#E8EAF6" shape=vnode_shape style=filled]
+	N1 [label="Pedestrian Navigation" color="#FFB74D" fillcolor="#FFF3E0" shape=vnode_shape style=filled]
+	N2 [label="Bearing and Distance Calculation" color="#8C9EFF" fillcolor="#D3D7EB" shape=action style=filled]
+	N3 [label="GPS Positioning" color="#FFB74D" fillcolor="#FFF3E0" shape=inputoutput style=filled]
+	N4 [label="Topographic Mapping" color="#8C9EFF" fillcolor="#D3D7EB" shape=rectangle style=filled]
+	N5 [label="Hazard Alerts" color="#8C9EFF" fillcolor="#D3D7EB" shape=database style=filled]
+	N6 [label="Personalized Route Preferences" color="#8C9EFF" fillcolor="#D3D7EB" shape=hexagon style=filled]
+	N7 [label="Celestial Navigation" color="#8C9EFF" fillcolor="#D3D7EB" shape=box style=filled]
+	N8 [label="Reverse Geocoding" color="#FFB74D" fillcolor="#FFF3E0" shape=multipledocuments style=filled]
+	N9 [label="Lane Guidance" color="#7986CB" fillcolor="#E8EAF6" shape=predefinedprocess style=filled]
+	N10 [label="Indoor Navigation" color="#FFB74D" fillcolor="#FFF3E0" shape=box style=filled]
+	N11 [label="Real_Time Re_routing" color="#8C9EFF" fillcolor="#D3D7EB" shape=rect style=filled]
+	N12 [label="Terrestrial Navigation" color="#FFB74D" fillcolor="#FFF3E0" shape=multipledocuments style=filled]
+	S0 [label="" color="#8C9EFF" fillcolor="#D3D7EB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#7986CB" fillcolor="#E8EAF6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#7986CB" fillcolor="#E8EAF6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Geocoding {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Geocoding"
+		nest0_0 [label="Aeronautical Charting" color="#8C9EFF" fillcolor="#D3D7EB" shape=parallelogram style=filled]
+		nest0_1 [label="Wearable Device Navigation" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	}
+	N0 -> N1 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#8C9EFF" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#8C9EFF" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#8C9EFF" penwidth=1.5 style=solid label="receives" dir=forward]
+	N7 -> N8 [color="#FFB74D" penwidth=1.5 style=dashed label="communicates" dir=forward]
+	N8 -> N9 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#8C9EFF" penwidth=1.5 style=solid label="processes" dir=forward]
+	N10 -> N11 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#FFB74D" penwidth=1.5 style=dashed label="orients" dir=forward]
+	N8 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N12 [color="#8C9EFF" penwidth=1.5 style=solid dir=forward]
+	N1 -> S0 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N6 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N8 [color="#8C9EFF" penwidth=1.5 style=solid label="plots" dir=forward]
+	N5 -> S1 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N8 [color="#000000" penwidth=1.5 style=solid label="syncs" dir=forward]
+	S1 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M0 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M0 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N3 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_156.txt b/test/diagrams/scanned_easy/diagrams_156.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3ba83f8b6273ab89023dd7f35d7a3529a2d326e5
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_156.txt
@@ -0,0 +1,23 @@
+<Aeronautical Charting, orients, Wearable Device Navigation>
+<Aeronautical Charting, partOf, Aeronautical Charting>
+<Bearing and Distance Calculation, connectedTo, GPS Positioning>
+<Celestial Navigation, communicates, Reverse Geocoding>
+<GPS Positioning, connectedTo, Topographic Mapping>
+<Hazard Alerts, connectedTo, Personalized Route Preferences>
+<Hazard Alerts, connectedTo, Real_Time Re_routing>
+<Hazard Alerts, syncs, Reverse Geocoding>
+<Indoor Navigation, connectedTo, Real_Time Re_routing>
+<Inertial Navigation System, connectedTo, GPS Positioning>
+<Inertial Navigation System, connectedTo, Pedestrian Navigation>
+<Lane Guidance, processes, Indoor Navigation>
+<Pedestrian Navigation, connectedTo, Bearing and Distance Calculation>
+<Pedestrian Navigation, connectedTo, GPS Positioning>
+<Pedestrian Navigation, connectedTo, Personalized Route Preferences>
+<Pedestrian Navigation, plots, Reverse Geocoding>
+<Personalized Route Preferences, receives, Celestial Navigation>
+<Real_Time Re_routing, connectedTo, Terrestrial Navigation>
+<Reverse Geocoding, connectedTo, Aeronautical Charting>
+<Reverse Geocoding, connectedTo, Lane Guidance>
+<Topographic Mapping, connectedTo, Hazard Alerts>
+<Wearable Device Navigation, connectedTo, Terrestrial Navigation>
+<Wearable Device Navigation, partOf, Wearable Device Navigation>
diff --git a/test/diagrams/scanned_easy/diagrams_157.dot b/test/diagrams/scanned_easy/diagrams_157.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5615f030932abcef72c68df1cb21ce83e15e5685
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_157.dot
@@ -0,0 +1,43 @@
+digraph {
+	rankdir=BT
+	N0 [label="4D Printing" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	N1 [label="Printing Parameter Optimization" color="#7986CB" fillcolor="#E8EAF6" shape=predefinedprocess style=filled]
+	N2 [label="Print Farm Management" color="#7986CB" fillcolor="#E8EAF6" shape=parallelogram style=filled]
+	N3 [label="Multi_Material Printing" color="#7E57C2" fillcolor="#EDE7F6" shape=inputoutput style=filled]
+	N4 [label="Medical Device Prototyping" color="#7986CB" fillcolor="#E8EAF6" shape=inputoutput style=filled]
+	N5 [label="On_Demand Production" color="#7986CB" fillcolor="#E8EAF6" shape=parallelogram style=filled]
+	N6 [label="Custom Part Production" color="#FFB2A5" fillcolor="#FFDCD6" shape=rectangle style=filled]
+	N7 [label="Quality Control" color="#7986CB" fillcolor="#E8EAF6" shape=box style=filled]
+	N8 [label="Printing Process" color="#FFB2A5" fillcolor="#FFDCD6" shape=parallelogram style=filled]
+	S1 [label="" color="#7986CB" fillcolor="#E8EAF6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#7986CB" fillcolor="#E8EAF6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Stereolithography {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Stereolithography"
+		nest0_0 [label="Food Printing" color="#FFB2A5" fillcolor="#FFDCD6" shape=database style=filled]
+		nest0_1 [label="Scaffolding for Tissue Engineering" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+		nest0_2 [label="3D Printed Tooling" color="#7E57C2" fillcolor="#EDE7F6" shape=inputoutput style=filled]
+		nest0_3 [label="Consumer Product Creation" color="#7986CB" fillcolor="#E8EAF6" shape=predefinedprocess style=filled]
+	}
+	N0 -> N1 [color="#7986CB" penwidth=1.5 style=solid label="designs" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
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+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> nest0_3 [color="#000000" penwidth=1.5 style=solid label="manufactures" dir=forward]
+	N6 -> nest0_0 [color="#FFB2A5" penwidth=1.5 style=dashed dir=forward]
+	nest0_3 -> N6 [color="#7E57C2" penwidth=1.5 style=solid label="secures" dir=forward]
+	N5 -> S1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N8 [color="#7E57C2" penwidth=1.5 style=solid label="designs" dir=forward]
+	N3 -> M0 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M0 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N5 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_158.dot b/test/diagrams/scanned_easy/diagrams_158.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0fd47c71e3435d2a6c26f0b9a309e621db8732fe
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_158.dot
@@ -0,0 +1,43 @@
+digraph {
+	rankdir=LR
+	N0 [label="On_Demand Production" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N1 [label="3D Model Design" color="#FFDA4E" fillcolor="#FFE88D" shape=rectangle style=filled]
+	N2 [label="Material Selection" color="#388E3C" fillcolor="#C8E6C9" shape=vnode_shape style=filled]
+	N3 [label="Custom Part Production" color="#FFDA4E" fillcolor="#FFE88D" shape=inputoutput style=filled]
+	N4 [label="Educational Applications" color="#388E3C" fillcolor="#C8E6C9" shape=document style=filled]
+	N5 [label="3D Printed Tooling" color="#388E3C" fillcolor="#C8E6C9" shape=diamond style=filled]
+	N6 [label="Multi_Material Printing" color="#DCE775" fillcolor="#F9FBE7" shape=parallelogram style=filled]
+	S0 [label="" color="#FFDA4E" fillcolor="#FFE88D" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFDA4E" fillcolor="#FFE88D" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#DCE775" fillcolor="#F9FBE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Selective Laser Sintering {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Selective Laser Sintering"
+		nest0_0 [label="Material Research and Development" color="#DCE775" fillcolor="#F9FBE7" shape=vnode_shape style=filled]
+		nest0_1 [label="Direct Metal Laser Sintering" color="#DCE775" fillcolor="#F9FBE7" shape=rect style=filled]
+		nest0_2 [label="Aerospace Part Production" color="#DCE775" fillcolor="#F9FBE7" shape=predefinedprocess style=filled]
+		nest0_3 [label="Support Structure Design" color="#388E3C" fillcolor="#C8E6C9" shape=multipledocuments style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#388E3C" penwidth=1.5 style=dashed label="protects" dir=forward]
+	N5 -> N6 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#388E3C" penwidth=1.5 style=solid label="optimizes" dir=forward]
+	nest0_1 -> nest0_2 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#FFDA4E" penwidth=1.5 style=dashed label="prints" dir=forward]
+	N1 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_3 -> N3 [color="#388E3C" penwidth=1.5 style=solid label="enhances" dir=forward]
+	N2 -> S0 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N4 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> M0 [color="#388E3C" penwidth=1.5 style=solid label="tests" dir=forward]
+	N3 -> M0 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N6 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M1 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N2 -> M1 [color="#000000" penwidth=1.5 style=solid label="validates" dir=forward]
+	N1 -> M1 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N5 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_158.txt b/test/diagrams/scanned_easy/diagrams_158.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3bcd9578450cf257a050f3eaf06432152429a45b
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_158.txt
@@ -0,0 +1,18 @@
+<3D Model Design, connectedTo, 3D Printed Tooling>
+<3D Model Design, connectedTo, Material Research and Development>
+<3D Model Design, connectedTo, Material Selection>
+<3D Printed Tooling, connectedTo, Multi_Material Printing>
+<Aerospace Part Production, prints, Support Structure Design>
+<Custom Part Production, connectedTo, Educational Applications>
+<Custom Part Production, connectedTo, Multi_Material Printing>
+<Direct Metal Laser Sintering, connectedTo, Aerospace Part Production>
+<Educational Applications, protects, 3D Printed Tooling>
+<Educational Applications, tests, Multi_Material Printing>
+<Material Research and Development, optimizes, Direct Metal Laser Sintering>
+<Material Selection, connectedTo, 3D Printed Tooling>
+<Material Selection, connectedTo, Custom Part Production>
+<Material Selection, connectedTo, Educational Applications>
+<Material Selection, validates, 3D Printed Tooling>
+<On_Demand Production, connectedTo, 3D Model Design>
+<On_Demand Production, connectedTo, 3D Printed Tooling>
+<Support Structure Design, enhances, Custom Part Production>
diff --git a/test/diagrams/scanned_easy/diagrams_161.dot b/test/diagrams/scanned_easy/diagrams_161.dot
new file mode 100644
index 0000000000000000000000000000000000000000..299a844e6bd5bc18cd362a6d31915b9b1e7baca7
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_161.dot
@@ -0,0 +1,35 @@
+digraph {
+	rankdir=TB
+	N0 [label="Risk Assessment of Nanomaterials" color="#BDAFA8" fillcolor="#E4E0DF" shape=database style=filled]
+	N1 [label="Public Perception of Nanotechnology" color="#AF56A6" fillcolor="#DDCEDD" shape=hexagon style=filled]
+	N2 [label="Nanosensors" color="#BDAFA8" fillcolor="#E4E0DF" shape=hexagon style=filled]
+	N3 [label="Bio_Nanotechnology Interface" color="#AF56A6" fillcolor="#DDCEDD" shape=rect style=filled]
+	N4 [label="Molecular Self_Assembly" color="#AF56A6" fillcolor="#DDCEDD" shape=document style=filled]
+	N5 [label="Nanoscale Imaging" color="#C0CA33" fillcolor="#F9FBE7" shape=preparation style=filled]
+	N6 [label="Lab_on_a_Chip Devices" color="#AF56A6" fillcolor="#DDCEDD" shape=inputoutput style=filled]
+	M0 [label="" color="#BDAFA8" fillcolor="#E4E0DF" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_X_ray Diffraction {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="X_ray Diffraction"
+		nest0_0 [label="Ethical Implications of Nanotech" color="#BDAFA8" fillcolor="#E4E0DF" shape=action style=filled]
+		nest0_1 [label="Environmental Remediation with Nanomaterials" color="#AF56A6" fillcolor="#DDCEDD" shape=multipledocuments style=filled]
+		nest0_2 [label="Transmission Electron Microscopy" color="#BDAFA8" fillcolor="#E4E0DF" shape=vnode_shape style=filled]
+		nest0_3 [label="Nanofabrication Techniques" color="#AF56A6" fillcolor="#DDCEDD" shape=database style=filled]
+	}
+	N0 -> N1 [color="#AF56A6" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#AF56A6" penwidth=1.5 style=solid label="integrates" dir=forward]
+	N2 -> N3 [color="#BDAFA8" penwidth=1.5 style=dashed label="functionalizes" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#C0CA33" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#C0CA33" penwidth=1.5 style=solid label="deposits" dir=forward]
+	nest0_0 -> nest0_1 [color="#BDAFA8" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#BDAFA8" penwidth=1.5 style=solid label="synthesizes" dir=forward]
+	nest0_2 -> nest0_3 [color="#AF56A6" penwidth=1.5 style=dashed dir=forward]
+	N2 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_3 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> M0 [color="#AF56A6" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M0 [color="#C0CA33" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	M0 -> N4 [color="#C0CA33" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_162.dot b/test/diagrams/scanned_easy/diagrams_162.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a57287332053720b7246829c38f1edf74c16ade9
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_162.dot
@@ -0,0 +1,32 @@
+digraph {
+	rankdir=BT
+	N0 [label="Food Packaging Improvement" color="#2196F3" fillcolor="#BBDEFB" shape=inputoutput style=filled]
+	N1 [label="Nanoelectronics" color="#FFDA4E" fillcolor="#FFE88D" shape=database style=filled]
+	N2 [label="Nanotoxicology" color="#BDBDBD" fillcolor="#F5F5F5" shape=predefinedprocess style=filled]
+	N3 [label="Nanoparticle Characterization" color="#FFDA4E" fillcolor="#FFE88D" shape=hexagon style=filled]
+	N4 [label="Nanoscale Imaging" color="#BDBDBD" fillcolor="#F5F5F5" shape=multipledocuments style=filled]
+	N5 [label="Public Perception of Nanotechnology" color="#FFDA4E" fillcolor="#FFE88D" shape=rectangle style=filled]
+	subgraph cluster_Water Purification using Nanomaterials {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Water Purification using Nanomaterials"
+		nest0_0 [label="Molecular Self_Assembly" color="#2196F3" fillcolor="#BBDEFB" shape=rect style=filled]
+		nest0_1 [label="Bio_Nanotechnology Interface" color="#FFDA4E" fillcolor="#FFE88D" shape=hexagon style=filled]
+		nest0_2 [label="Risk Assessment of Nanomaterials" color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
+		nest0_3 [label="Nanomaterial Synthesis" color="#2196F3" fillcolor="#BBDEFB" shape=document style=filled]
+	}
+	N0 -> N1 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="measures" dir=forward]
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+	N3 -> N4 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="fabricates" dir=forward]
+	nest0_0 -> nest0_1 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#2196F3" penwidth=1.5 style=solid label="models" dir=forward]
+	nest0_2 -> nest0_3 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N3 -> nest0_0 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	nest0_3 -> N3 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_3 [color="#BDBDBD" penwidth=1.5 style=solid label="characterizes" dir=forward]
+	N0 -> nest0_3 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	N1 -> N0 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_162.txt b/test/diagrams/scanned_easy/diagrams_162.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4dd792fbde9ca8f1fa8a96f61209268baba9b879
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_162.txt
@@ -0,0 +1,14 @@
+<Bio_Nanotechnology Interface, models, Risk Assessment of Nanomaterials>
+<Food Packaging Improvement, connectedTo, Nanoelectronics>
+<Food Packaging Improvement, connectedTo, Nanomaterial Synthesis>
+<Molecular Self_Assembly, characterizes, Nanomaterial Synthesis>
+<Molecular Self_Assembly, connectedTo, Bio_Nanotechnology Interface>
+<Molecular Self_Assembly, connectedTo, Risk Assessment of Nanomaterials>
+<Nanoelectronics, connectedTo, Food Packaging Improvement>
+<Nanoelectronics, measures, Nanotoxicology>
+<Nanomaterial Synthesis, connectedTo, Nanoparticle Characterization>
+<Nanoparticle Characterization, connectedTo, Molecular Self_Assembly>
+<Nanoparticle Characterization, connectedTo, Nanoscale Imaging>
+<Nanoscale Imaging, fabricates, Public Perception of Nanotechnology>
+<Nanotoxicology, connectedTo, Nanoparticle Characterization>
+<Risk Assessment of Nanomaterials, connectedTo, Nanomaterial Synthesis>
diff --git a/test/diagrams/scanned_easy/diagrams_163.txt b/test/diagrams/scanned_easy/diagrams_163.txt
new file mode 100644
index 0000000000000000000000000000000000000000..325b6a898b947c34cde5cafb5652377c30dbf72d
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_163.txt
@@ -0,0 +1,18 @@
+<Decoherence Mitigation, connectedTo, Quantum Bit Design>
+<Laser Cooling for Ions, controls, Quantum Computing in Drug Discovery>
+<Material Science Simulations, connectedTo, Quantum Programming Languages>
+<Photonic Qubits, factors, Quantum Error Correction>
+<Quantum Algorithm Development, connectedTo, Quantum Computing Benchmarking>
+<Quantum Algorithm Development, connectedTo, Quantum Hardware Control>
+<Quantum Annealing, connectedTo, Decoherence Mitigation>
+<Quantum Bit Design, connectedTo, Material Science Simulations>
+<Quantum Circuit Design, connectedTo, Laser Cooling for Ions>
+<Quantum Circuit Design, connectedTo, Quantum Annealing>
+<Quantum Computing Benchmarking, designs, Quantum Computing Education>
+<Quantum Computing Benchmarking, models, Quantum Hardware Control>
+<Quantum Computing Education, connectedTo, Quantum Hardware Control>
+<Quantum Computing in Drug Discovery, connectedTo, Quantum Error Correction>
+<Quantum Error Correction, shares, Quantum Circuit Design>
+<Quantum Hardware Control, integrates, Topological Qubits>
+<Topological Qubits, connectedTo, Photonic Qubits>
+<Topological Qubits, connectedTo, Quantum Circuit Design>
diff --git a/test/diagrams/scanned_easy/diagrams_165.dot b/test/diagrams/scanned_easy/diagrams_165.dot
new file mode 100644
index 0000000000000000000000000000000000000000..58c46053a075936f2122b7c1928d3ae699e73c9c
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_165.dot
@@ -0,0 +1,48 @@
+digraph {
+	rankdir=BT
+	N0 [label="Quantum Coherence Management" color="#FFE69C" fillcolor="#FFF9D4" shape=action style=filled]
+	N1 [label="Quantum Key Distribution" color="#82DAFF" fillcolor="#C8EDFF" shape=ellipse style=filled]
+	N2 [label="Quantum Network Development" color="#82DAFF" fillcolor="#C8EDFF" shape=action style=filled]
+	N3 [label="Photonic Qubits" color="#82DAFF" fillcolor="#C8EDFF" shape=inputoutput style=filled]
+	N4 [label="Vacuum Systems for Trapped Ions" color="#82DAFF" fillcolor="#C8EDFF" shape=action style=filled]
+	N5 [label="Topological Qubits" color="#66BB6A" fillcolor="#E8F5E9" shape=preparation style=filled]
+	N6 [label="Quantum Cloud Computing Services" color="#FFE69C" fillcolor="#FFF9D4" shape=inputoutput style=filled]
+	N7 [label="Superconducting Qubits" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	N8 [label="Quantum Sensing" color="#66BB6A" fillcolor="#E8F5E9" shape=rect style=filled]
+	N9 [label="Cryogenic Systems for Qubits" color="#66BB6A" fillcolor="#E8F5E9" shape=preparation style=filled]
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+	M1 [label="" color="#FFE69C" fillcolor="#FFF9D4" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Quantum Computing in Drug Discovery {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Quantum Computing in Drug Discovery"
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+		nest0_1 [label="Decoherence Mitigation" color="#82DAFF" fillcolor="#C8EDFF" shape=box style=filled]
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+	nest0_0 -> nest0_1 [color="#66BB6A" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> nest0_0 [color="#FFE69C" penwidth=1.5 style=solid label="shares" dir=forward]
+	nest0_2 -> N3 [color="#66BB6A" penwidth=1.5 style=dashed dir=forward]
+	N6 -> S0 [color="#82DAFF" penwidth=1.5 style=dashed dir=forward]
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+	N1 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> M0 [color="#82DAFF" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N10 [color="#66BB6A" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M1 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
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+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_166.dot b/test/diagrams/scanned_easy/diagrams_166.dot
new file mode 100644
index 0000000000000000000000000000000000000000..fb3370735ca44a7bb43afdcca43b5d58f7de9b13
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_166.dot
@@ -0,0 +1,38 @@
+digraph {
+	rankdir=LR
+	N0 [label="Augmented Reality App Development" color="#795548" fillcolor="#D7CCC8" shape=box style=filled]
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+		nest0_2 [label="Comfort and Ergonomics Design" color="#9FA9E1" fillcolor="#D6D9F0" shape=multipledocuments style=filled]
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+	S0 -> N3 [color="#9FA9E1" penwidth=1.5 style=solid dir=forward]
+	N3 -> S1 [color="#9FA9E1" penwidth=1.5 style=solid dir=forward]
+	S1 -> N6 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	S1 -> N5 [color="#000000" penwidth=1.5 style=dashed label="controls" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_167.txt b/test/diagrams/scanned_easy/diagrams_167.txt
new file mode 100644
index 0000000000000000000000000000000000000000..291da580218e283c2c9fff196149010a95380df6
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_167.txt
@@ -0,0 +1,22 @@
+<Architectural Visualization, measures, Medical Applications>
+<Educational Content Development, connectedTo, Live Event Streaming in VR>
+<Facial Recognition in AR or VR, audits, Gesture Recognition>
+<Facial Recognition in AR or VR, connectedTo, Architectural Visualization>
+<Facial Recognition in AR or VR, connectedTo, Performance Optimization>
+<Facial Recognition in AR or VR, connectedTo, User Interface Design>
+<Gesture Recognition, entertains, Training Simulations>
+<Hand Tracking and Interaction, connectedTo, Multiplayer Experience Design>
+<Immersive Storytelling, connectedTo, Hand Tracking and Interaction>
+<Industrial Maintenance Support, connectedTo, Retail Experience Enhancement>
+<Industrial Maintenance Support, visualizes, Immersive Storytelling>
+<Latency Reduction, connectedTo, Medical Applications>
+<Latency Reduction, connectedTo, Retail Experience Enhancement>
+<Latency Reduction, connectedTo, User Interface Design>
+<Latency Reduction, projects, Industrial Maintenance Support>
+<Live Event Streaming in VR, connectedTo, Performance Optimization>
+<Medical Applications, connectedTo, Industrial Maintenance Support>
+<Multiplayer Experience Design, connectedTo, Industrial Maintenance Support>
+<Performance Optimization, connectedTo, Latency Reduction>
+<Retail Experience Enhancement, renders, 3D Model Creation>
+<Training Simulations, displays, Educational Content Development>
+<User Interface Design, educates, Architectural Visualization>
diff --git a/test/diagrams/scanned_easy/diagrams_168.dot b/test/diagrams/scanned_easy/diagrams_168.dot
new file mode 100644
index 0000000000000000000000000000000000000000..39a5937927504ec53942f9767c89fd27a3c74fef
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_168.dot
@@ -0,0 +1,34 @@
+digraph {
+	rankdir=LR
+	N0 [label="Architectural Visualization" color="#00BCD4" fillcolor="#B2EBF2" shape=document style=filled]
+	N1 [label="User Interface Design" color="#73C6BC" fillcolor="#D0EFEE" shape=multipledocuments style=filled]
+	N2 [label="Gesture Recognition" color="#00BCD4" fillcolor="#B2EBF2" shape=database style=filled]
+	N3 [label="Ethical Considerations in AR or VR" color="#00BCD4" fillcolor="#B2EBF2" shape=action style=filled]
+	N4 [label="Retail Experience Enhancement" color="#DCE775" fillcolor="#FCFCE7" shape=rectangle style=filled]
+	N5 [label="Data Visualization in AR or VR" color="#73C6BC" fillcolor="#D0EFEE" shape=multipledocuments style=filled]
+	N6 [label="Virtual Tourism Experiences" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N7 [label="Industrial Maintenance Support" color="#00BCD4" fillcolor="#B2EBF2" shape=parallelogram style=filled]
+	N8 [label="Tracking System Calibration" color="#00BCD4" fillcolor="#B2EBF2" shape=parallelogram style=filled]
+	subgraph cluster_Hand Tracking and Interaction {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Hand Tracking and Interaction"
+		nest0_0 [label="Wearable AR Devices" color="#DCE775" fillcolor="#FCFCE7" shape=predefinedprocess style=filled]
+		nest0_1 [label="Environment Mapping" color="#73C6BC" fillcolor="#D0EFEE" shape=inputoutput style=filled]
+	}
+	N0 -> N1 [color="#DCE775" penwidth=1.5 style=solid label="measures" dir=forward]
+	N1 -> N2 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="deploys" dir=forward]
+	N3 -> N4 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#73C6BC" penwidth=1.5 style=dashed label="tracks" dir=forward]
+	N1 -> nest0_0 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> nest0_0 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N0 [color="#73C6BC" penwidth=1.5 style=dashed label="displays" dir=forward]
+	N0 -> N8 [color="#DCE775" penwidth=1.5 style=dashed label="navigates" dir=forward]
+	N1 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_17.dot b/test/diagrams/scanned_easy/diagrams_17.dot
new file mode 100644
index 0000000000000000000000000000000000000000..64c9190348e825bdadcf75447bf98a29a4f4020f
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_17.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Service Registration" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N1 [label="Border Control" color="#A188D0" fillcolor="#DACBE3" shape=ellipse style=filled]
+	N2 [label="Education Policy" color="#BDBDBD" fillcolor="#F5F5F5" shape=inputoutput style=filled]
+	N3 [label="Public Records Request" color="#A188D0" fillcolor="#DACBE3" shape=ellipse style=filled]
+	N4 [label="Business Licensing" color="#BDBDBD" fillcolor="#F5F5F5" shape=hexagon style=filled]
+	N5 [label="Public Health Initiative" color="#00BCD4" fillcolor="#E0F7FA" shape=multipledocuments style=filled]
+	N6 [label="Grant Distribution" color="#A188D0" fillcolor="#DACBE3" shape=inputoutput style=filled]
+	N7 [label="Vehicle Registration" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N0 -> N1 [color="#BDBDBD" penwidth=1.5 style=solid label="inspects" dir=forward]
+	N1 -> N2 [color="#A188D0" penwidth=1.5 style=solid label="allocates" dir=forward]
+	N2 -> N3 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#A188D0" penwidth=1.5 style=solid label="enacts" dir=forward]
+	N4 -> N5 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#00BCD4" penwidth=1.5 style=dashed label="subsidizes" dir=forward]
+	N2 -> N5 [color="#00BCD4" penwidth=1.5 style=solid label="reviews" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_170.dot b/test/diagrams/scanned_easy/diagrams_170.dot
new file mode 100644
index 0000000000000000000000000000000000000000..82f41644e56d1137e0637d66ebde16446305c227
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_170.dot
@@ -0,0 +1,37 @@
+digraph {
+	rankdir=TB
+	N0 [label="Console Game Development" color="#FBC02D" fillcolor="#FFFDE7" shape=document style=filled]
+	N1 [label="Quality Assurance Testing" color="#FBC02D" fillcolor="#FFFDE7" shape=rectangle style=filled]
+	N2 [label="Player Progression Systems" color="#E91E63" fillcolor="#F8BBD0" shape=document style=filled]
+	N3 [label="Game Publishing" color="#FFF9AE" fillcolor="#FFFCE6" shape=database style=filled]
+	N4 [label="Game Balancing" color="#FFF9AE" fillcolor="#FFFCE6" shape=document style=filled]
+	N5 [label="Storytelling" color="#FFF9AE" fillcolor="#FFFCE6" shape=rect style=filled]
+	N6 [label="Anti_Cheat Development" color="#FBC02D" fillcolor="#FFFDE7" shape=vnode_shape style=filled]
+	N7 [label="Monetization Strategy" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	S1 [label="" color="#FBC02D" fillcolor="#FFFDE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Community Management {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Community Management"
+		nest0_0 [label="Player Feedback Integration" color="#E91E63" fillcolor="#F8BBD0" shape=rect style=filled]
+		nest0_1 [label="User Interface Design" color="#E91E63" fillcolor="#F8BBD0" shape=hexagon style=filled]
+		nest0_2 [label="Augmented Reality Gaming" color="#FBC02D" fillcolor="#FFFDE7" shape=inputoutput style=filled]
+	}
+	N0 -> N1 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FBC02D" penwidth=1.5 style=dashed label="creates" dir=forward]
+	N2 -> N3 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFF9AE" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFF9AE" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#E91E63" penwidth=1.5 style=solid label="innovates" dir=forward]
+	nest0_0 -> nest0_1 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#FFF9AE" penwidth=1.5 style=solid dir=forward]
+	N5 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N3 [color="#FBC02D" penwidth=1.5 style=solid label="tests" dir=forward]
+	N3 -> S1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N6 [color="#FFF9AE" penwidth=1.5 style=solid dir=forward]
+	N2 -> N5 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N6 -> N1 [color="#000000" penwidth=1.5 style=solid label="engages" dir=forward]
+	N1 -> nest0_2 [color="#FFF9AE" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_171.txt b/test/diagrams/scanned_easy/diagrams_171.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c7a92c31cf4349a1ee909c24031754d8eff06048
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_171.txt
@@ -0,0 +1,16 @@
+<AI Behavior Programming, analyzes, Game Engine Customization>
+<Asset Creation, connectedTo, Programming>
+<Asset Creation, innovates, Localization>
+<Augmented Reality Gaming, connectedTo, Game Engine Customization>
+<Augmented Reality Gaming, markets, Game Performance Optimization>
+<Community Management, connectedTo, Game Design>
+<Game Design, connectedTo, Virtual Reality Gaming>
+<Game Performance Optimization, connectedTo, Game Engine Customization>
+<Game Performance Optimization, connectedTo, Voice Acting>
+<Localization, competes, Community Management>
+<Narrative Design, connectedTo, Asset Creation>
+<Narrative Design, connectedTo, Localization>
+<Programming, connectedTo, Game Engine Customization>
+<Programming, manages, AI Behavior Programming>
+<Virtual Reality Gaming, connectedTo, Asset Creation>
+<Voice Acting, connectedTo, Narrative Design>
diff --git a/test/diagrams/scanned_easy/diagrams_172.dot b/test/diagrams/scanned_easy/diagrams_172.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5ee372bfa1bf425a1000733050f5ee6807f77700
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_172.dot
@@ -0,0 +1,44 @@
+digraph {
+	rankdir=TB
+	N0 [label="Instrumental Performance" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N1 [label="Crowdfunding for Music Projects" color="#D3EB9F" fillcolor="#F8FDD3" shape=database style=filled]
+	N2 [label="Merchandise Sales" color="#D3EB9F" fillcolor="#F8FDD3" shape=box style=filled]
+	N3 [label="Music Therapy" color="#B0C5CD" fillcolor="#DFE7EB" shape=inputoutput style=filled]
+	N4 [label="Tour Management" color="#B0C5CD" fillcolor="#DFE7EB" shape=diamond style=filled]
+	N5 [label="Sound System Design" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+	N6 [label="Music Festival Organization" color="#CD8FF2" fillcolor="#ECCFF5" shape=vnode_shape style=filled]
+	N7 [label="Live Sound Engineering" color="#CD8FF2" fillcolor="#ECCFF5" shape=action style=filled]
+	N8 [label="Arrangement" color="#D3EB9F" fillcolor="#F8FDD3" shape=action style=filled]
+	N9 [label="Digital Audio Workstation Operation" color="#CD8FF2" fillcolor="#ECCFF5" shape=action style=filled]
+	M0 [label="" color="#CD8FF2" fillcolor="#ECCFF5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Music Licensing {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Music Licensing"
+		nest0_0 [label="Recording" color="#B0C5CD" fillcolor="#DFE7EB" shape=multipledocuments style=filled]
+		nest0_1 [label="Music Education" color="#D3EB9F" fillcolor="#F8FDD3" shape=rectangle style=filled]
+		nest0_2 [label="Music Video Production" color="#B0C5CD" fillcolor="#DFE7EB" shape=diamond style=filled]
+		nest0_3 [label="Fan Engagement Strategy" color="#B0C5CD" fillcolor="#DFE7EB" shape=hexagon style=filled]
+	}
+	N0 -> N1 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#CD8FF2" penwidth=1.5 style=dashed label="learns" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#CD8FF2" penwidth=1.5 style=solid label="critiques" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#CD8FF2" penwidth=1.5 style=dashed label="arranges" dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#CD8FF2" penwidth=1.5 style=solid label="produces" dir=forward]
+	nest0_2 -> nest0_3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> nest0_0 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N6 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	N0 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#CD8FF2" penwidth=1.5 style=solid label="promotes" dir=forward]
+	M0 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> nest0_0 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N1 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N0 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+	N5 -> N4 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_173.txt b/test/diagrams/scanned_easy/diagrams_173.txt
new file mode 100644
index 0000000000000000000000000000000000000000..16f5ddb4ecbaabd33e6c7e53f4a34ad728586955
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_173.txt
@@ -0,0 +1,14 @@
+<Beat Making, promotes, Music Distribution>
+<Fan Engagement Strategy, synthesizes, Music Distribution>
+<Instrumental Performance, connectedTo, Music Festival Organization>
+<Live Sound Engineering, connectedTo, Instrumental Performance>
+<Live Sound Engineering, connectedTo, Music Festival Organization>
+<Live Sound Engineering, connectedTo, Sampling>
+<Live Sound Engineering, therapies, Merchandise Sales>
+<Merchandise Sales, connectedTo, Live Sound Engineering>
+<Merchandise Sales, connectedTo, Music Production>
+<Music Festival Organization, connectedTo, Tour Management>
+<Music Production, connectedTo, Beat Making>
+<Royalty Collection, connectedTo, Live Sound Engineering>
+<Sampling, arranges, Instrumental Performance>
+<Tour Management, connectedTo, Fan Engagement Strategy>
diff --git a/test/diagrams/scanned_easy/diagrams_175.dot b/test/diagrams/scanned_easy/diagrams_175.dot
new file mode 100644
index 0000000000000000000000000000000000000000..66cee4200a374829b5f48f3e19f4a399721a7bdf
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_175.dot
@@ -0,0 +1,54 @@
+digraph {
+	rankdir=TB
+	N0 [label="Production Accounting" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N1 [label="Visual Effects" color="#FFF176" fillcolor="#FFFDE7" shape=predefinedprocess style=filled]
+	N2 [label="Directing" color="#6FE1D5" fillcolor="#C9EFEC" shape=vnode_shape style=filled]
+	N3 [label="Set Construction" color="#795548" fillcolor="#D7CCC8" shape=hexagon style=filled]
+	N4 [label="Green Production Practices" color="#795548" fillcolor="#D7CCC8" shape=predefinedprocess style=filled]
+	N5 [label="Art Direction" color="#FFF176" fillcolor="#FFFDE7" shape=predefinedprocess style=filled]
+	N6 [label="Casting" color="#795548" fillcolor="#D7CCC8" shape=parallelogram style=filled]
+	N7 [label="Tax Incentive Management" color="#6FE1D5" fillcolor="#C9EFEC" shape=document style=filled]
+	N8 [label="Location Scouting" color="#795548" fillcolor="#D7CCC8" shape=document style=filled]
+	N9 [label="Script Development" color="#6FE1D5" fillcolor="#C9EFEC" shape=document style=filled]
+	N10 [label="Prop Management" color="#6FE1D5" fillcolor="#C9EFEC" shape=parallelogram style=filled]
+	N11 [label="Cinematography" color="#6FE1D5" fillcolor="#C9EFEC" shape=predefinedprocess style=filled]
+	S0 [label="" color="#6FE1D5" fillcolor="#C9EFEC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#FFF176" fillcolor="#FFFDE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFF176" fillcolor="#FFFDE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#FFF176" fillcolor="#FFFDE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Pre_production Planning {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Pre_production Planning"
+		nest0_0 [label="Storyboarding" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+		nest0_1 [label="Crew Management" color="#795548" fillcolor="#D7CCC8" shape=document style=filled]
+		nest0_2 [label="Marketing and Publicity" color="#FFF176" fillcolor="#FFFDE7" shape=preparation style=filled]
+	}
+	N0 -> N1 [color="#6FE1D5" penwidth=1.5 style=dashed label="coordinates" dir=forward]
+	N1 -> N2 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFF176" penwidth=1.5 style=solid label="builds" dir=forward]
+	N4 -> N5 [color="#FFF176" penwidth=1.5 style=dashed label="produces" dir=forward]
+	N5 -> N6 [color="#795548" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="screens" dir=forward]
+	N7 -> N8 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#795548" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N4 -> nest0_0 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> N8 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	N7 -> S0 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	S0 -> N11 [color="#000000" penwidth=1.5 style=dashed label="captures" dir=forward]
+	S0 -> N9 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N2 -> S1 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	S1 -> N8 [color="#000000" penwidth=1.5 style=dashed label="films" dir=forward]
+	S1 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N0 -> M0 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M0 [color="#795548" penwidth=1.5 style=solid label="lights" dir=forward]
+	M0 -> N3 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	N2 -> M1 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	N5 -> M1 [color="#6FE1D5" penwidth=1.5 style=dashed label="casts" dir=forward]
+	M1 -> N9 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_175.txt b/test/diagrams/scanned_easy/diagrams_175.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4cd7ae45be2a2ef2c3b0b4b87fab386b3e153589
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_175.txt
@@ -0,0 +1,23 @@
+<Art Direction, casts, Script Development>
+<Art Direction, connectedTo, Casting>
+<Casting, screens, Tax Incentive Management>
+<Crew Management, connectedTo, Marketing and Publicity>
+<Directing, connectedTo, Green Production Practices>
+<Directing, connectedTo, Script Development>
+<Directing, connectedTo, Set Construction>
+<Directing, films, Location Scouting>
+<Green Production Practices, connectedTo, Storyboarding>
+<Green Production Practices, produces, Art Direction>
+<Location Scouting, connectedTo, Script Development>
+<Marketing and Publicity, connectedTo, Location Scouting>
+<Production Accounting, connectedTo, Set Construction>
+<Production Accounting, coordinates, Visual Effects>
+<Prop Management, connectedTo, Cinematography>
+<Script Development, connectedTo, Prop Management>
+<Set Construction, builds, Green Production Practices>
+<Storyboarding, connectedTo, Crew Management>
+<Tax Incentive Management, captures, Cinematography>
+<Tax Incentive Management, connectedTo, Location Scouting>
+<Tax Incentive Management, connectedTo, Script Development>
+<Visual Effects, connectedTo, Directing>
+<Visual Effects, lights, Set Construction>
diff --git a/test/diagrams/scanned_easy/diagrams_176.dot b/test/diagrams/scanned_easy/diagrams_176.dot
new file mode 100644
index 0000000000000000000000000000000000000000..61c8e4a0649d84fa07a8fe714f46b0835ea67e25
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_176.dot
@@ -0,0 +1,36 @@
+digraph {
+	rankdir=RL
+	N0 [label="Set Construction" color="#81C784" fillcolor="#F1F8E9" shape=parallelogram style=filled]
+	N1 [label="Insurance Management" color="#CD8FF2" fillcolor="#ECCFF5" shape=action style=filled]
+	N2 [label="Sound Recording" color="#81C784" fillcolor="#F1F8E9" shape=action style=filled]
+	N3 [label="Green Production Practices" color="#CD8FF2" fillcolor="#ECCFF5" shape=document style=filled]
+	N4 [label="Makeup and Hair Design" color="#81C784" fillcolor="#F1F8E9" shape=rectangle style=filled]
+	N5 [label="Prop Management" color="#2196F3" fillcolor="#BBDEFB" shape=document style=filled]
+	S0 [label="" color="#2196F3" fillcolor="#BBDEFB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#CD8FF2" fillcolor="#ECCFF5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Script Development {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Script Development"
+		nest0_0 [label="Visual Effects" color="#2196F3" fillcolor="#BBDEFB" shape=predefinedprocess style=filled]
+		nest0_1 [label="Legal Compliance" color="#2196F3" fillcolor="#BBDEFB" shape=multipledocuments style=filled]
+		nest0_2 [label="Art Direction" color="#2196F3" fillcolor="#BBDEFB" shape=predefinedprocess style=filled]
+		nest0_3 [label="Location Scouting" color="#81C784" fillcolor="#F1F8E9" shape=predefinedprocess style=filled]
+	}
+	N0 -> N1 [color="#2196F3" penwidth=1.5 style=dashed label="promotes" dir=forward]
+	N1 -> N2 [color="#81C784" penwidth=1.5 style=solid label="animates" dir=forward]
+	N2 -> N3 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+	N2 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed label="markets" dir=forward]
+	nest0_3 -> N4 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N2 -> S0 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N5 [color="#CD8FF2" penwidth=1.5 style=solid label="schedules" dir=forward]
+	S0 -> N4 [color="#81C784" penwidth=1.5 style=dashed label="uploads" dir=forward]
+	N1 -> S1 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N4 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N5 [color="#CD8FF2" penwidth=1.5 style=solid label="films" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_177.txt b/test/diagrams/scanned_easy/diagrams_177.txt
new file mode 100644
index 0000000000000000000000000000000000000000..aeafba02940e194da37abbfbe99efa32033371d4
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_177.txt
@@ -0,0 +1,23 @@
+<Art Direction, connectedTo, Prop Management>
+<Art Direction, connectedTo, Special Effects>
+<Audience Research, connectedTo, Film Financing>
+<Casting, connectedTo, Marketing and Publicity>
+<Crew Management, connectedTo, Casting>
+<Crew Management, connectedTo, Makeup and Hair Design>
+<Editing, connectedTo, Film Financing>
+<Film Festival Submission, connectedTo, Makeup and Hair Design>
+<Film Festival Submission, schedules, Screenwriting Workshops>
+<Film Financing, casts, Makeup and Hair Design>
+<Legal Compliance, connectedTo, Casting>
+<Legal Compliance, connectedTo, Film Financing>
+<Legal Compliance, connectedTo, Stunt Coordination>
+<Lighting Design, connectedTo, Production Scheduling>
+<Marketing and Publicity, connectedTo, Film Financing>
+<Marketing and Publicity, coordinates, Editing>
+<Marketing and Publicity, protects, Makeup and Hair Design>
+<Production Accounting, post_produces, Film Festival Submission>
+<Production Scheduling, connectedTo, Art Direction>
+<Prop Management, records, Crew Management>
+<Screenwriting Workshops, connectedTo, Lighting Design>
+<Special Effects, connectedTo, Audience Research>
+<Stunt Coordination, connectedTo, Production Accounting>
diff --git a/test/diagrams/scanned_easy/diagrams_178.dot b/test/diagrams/scanned_easy/diagrams_178.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2efeaf6230bac7a595d75b1f2b57f01204cca1ff
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_178.dot
@@ -0,0 +1,41 @@
+digraph {
+	rankdir=TB
+	N0 [label="Audio Recording" color="#FFB74D" fillcolor="#FFF3E0" shape=preparation style=filled]
+	N1 [label="Research and Outline" color="#CD8FF2" fillcolor="#ECCFF5" shape=multipledocuments style=filled]
+	N2 [label="Keyword Research" color="#FFB74D" fillcolor="#FFF3E0" shape=diamond style=filled]
+	N3 [label="Voice Acting or Narration" color="#FFB74D" fillcolor="#FFF3E0" shape=multipledocuments style=filled]
+	N4 [label="Fact_Checking" color="#7986CB" fillcolor="#E8EAF6" shape=multipledocuments style=filled]
+	N5 [label="Transcribing Audio or Video" color="#7986CB" fillcolor="#E8EAF6" shape=rect style=filled]
+	N6 [label="Editing and Proofreading" color="#CD8FF2" fillcolor="#ECCFF5" shape=ellipse style=filled]
+	N7 [label="Live Streaming Content" color="#7986CB" fillcolor="#E8EAF6" shape=rectangle style=filled]
+	N8 [label="Search Engine Optimization" color="#CD8FF2" fillcolor="#ECCFF5" shape=multipledocuments style=filled]
+	N9 [label="Drafting Content" color="#CD8FF2" fillcolor="#ECCFF5" shape=vnode_shape style=filled]
+	N10 [label="Content Localization" color="#CD8FF2" fillcolor="#ECCFF5" shape=diamond style=filled]
+	M0 [label="" color="#7986CB" fillcolor="#E8EAF6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Photography {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Photography"
+		nest0_0 [label="Social Media Post Creation" color="#7986CB" fillcolor="#E8EAF6" shape=vnode_shape style=filled]
+		nest0_1 [label="Monetization Strategy" color="#FFB74D" fillcolor="#FFF3E0" shape=document style=filled]
+	}
+	N0 -> N1 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#CD8FF2" penwidth=1.5 style=solid label="reports" dir=forward]
+	N3 -> N4 [color="#FFB74D" penwidth=1.5 style=dashed label="tracks" dir=forward]
+	N4 -> N5 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#FFB74D" penwidth=1.5 style=solid label="outlines" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N2 -> nest0_0 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> N10 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	N2 -> M0 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	N0 -> M0 [color="#FFB74D" penwidth=1.5 style=solid label="promotes" dir=forward]
+	N1 -> M0 [color="#FFB74D" penwidth=1.5 style=solid label="optimizes" dir=forward]
+	M0 -> N4 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N1 [color="#000000" penwidth=1.5 style=dashed label="localizes" dir=forward]
+	N5 -> nest0_0 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_178.txt b/test/diagrams/scanned_easy/diagrams_178.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6c3ca8ab92aa4fe7e9b5b39e1924de0d5c1a816f
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_178.txt
@@ -0,0 +1,20 @@
+<Audio Recording, connectedTo, Research and Outline>
+<Audio Recording, promotes, Fact_Checking>
+<Drafting Content, connectedTo, Content Localization>
+<Editing and Proofreading, connectedTo, Live Streaming Content>
+<Fact_Checking, connectedTo, Transcribing Audio or Video>
+<Keyword Research, connectedTo, Fact_Checking>
+<Keyword Research, connectedTo, Social Media Post Creation>
+<Keyword Research, reports, Voice Acting or Narration>
+<Live Streaming Content, connectedTo, Search Engine Optimization>
+<Monetization Strategy, connectedTo, Content Localization>
+<Monetization Strategy, localizes, Research and Outline>
+<Monetization Strategy, partOf, Monetization Strategy>
+<Research and Outline, connectedTo, Keyword Research>
+<Research and Outline, optimizes, Fact_Checking>
+<Search Engine Optimization, outlines, Drafting Content>
+<Social Media Post Creation, connectedTo, Monetization Strategy>
+<Social Media Post Creation, partOf, Social Media Post Creation>
+<Transcribing Audio or Video, connectedTo, Editing and Proofreading>
+<Transcribing Audio or Video, connectedTo, Social Media Post Creation>
+<Voice Acting or Narration, tracks, Fact_Checking>
diff --git a/test/diagrams/scanned_easy/diagrams_179.dot b/test/diagrams/scanned_easy/diagrams_179.dot
new file mode 100644
index 0000000000000000000000000000000000000000..644587de29c4d3e16313156c59a2995ce500e9ff
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_179.dot
@@ -0,0 +1,42 @@
+digraph {
+	rankdir=BT
+	N0 [label="Fact_Checking" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+	N1 [label="Branding" color="#E57373" fillcolor="#FFEBEE" shape=hexagon style=filled]
+	N2 [label="Newsletter Creation" color="#42A5F5" fillcolor="#F1F8FF" shape=vnode_shape style=filled]
+	N3 [label="Live Streaming Content" color="#42A5F5" fillcolor="#F1F8FF" shape=preparation style=filled]
+	N4 [label="Video Scripting" color="#CB9BE1" fillcolor="#F2E6F5" shape=action style=filled]
+	N5 [label="E_book Writing" color="#CB9BE1" fillcolor="#F2E6F5" shape=hexagon style=filled]
+	N6 [label="Content Strategy Development" color="#E57373" fillcolor="#FFEBEE" shape=preparation style=filled]
+	N7 [label="Drafting Content" color="#CB9BE1" fillcolor="#F2E6F5" shape=multipledocuments style=filled]
+	N8 [label="Ideation and Brainstorming" color="#CB9BE1" fillcolor="#F2E6F5" shape=rect style=filled]
+	S0 [label="" color="#E57373" fillcolor="#FFEBEE" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#E57373" fillcolor="#FFEBEE" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Performance Tracking {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Performance Tracking"
+		nest0_0 [label="Search Engine Optimization" color="#E57373" fillcolor="#FFEBEE" shape=database style=filled]
+		nest0_1 [label="Editing and Proofreading" color="#E57373" fillcolor="#FFEBEE" shape=hexagon style=filled]
+		nest0_2 [label="Interactive Content Development" color="#E57373" fillcolor="#FFEBEE" shape=action style=filled]
+		nest0_3 [label="Photography" color="#E57373" fillcolor="#FFEBEE" shape=rectangle style=filled]
+	}
+	N0 -> N1 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#E57373" penwidth=1.5 style=dashed label="designs" dir=forward]
+	N3 -> N4 [color="#E57373" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="narrates" dir=forward]
+	N6 -> N7 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid label="tracks" dir=forward]
+	nest0_1 -> nest0_2 [color="#CB9BE1" penwidth=1.5 style=solid label="ideates" dir=forward]
+	nest0_2 -> nest0_3 [color="#E57373" penwidth=1.5 style=dashed dir=forward]
+	N1 -> nest0_0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N4 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	N0 -> S0 [color="#E57373" penwidth=1.5 style=solid dir=forward]
+	S0 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N3 [color="#E57373" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M0 [color="#CB9BE1" penwidth=1.5 style=solid label="hosts" dir=forward]
+	N1 -> M0 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N3 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_18.dot b/test/diagrams/scanned_easy/diagrams_18.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e21ef645def161845afe6ddcf4305ef9662708df
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_18.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=RL
+	N0 [label="Loss Prevention" color="#D3EB9F" fillcolor="#F8FDD3" shape=predefinedprocess style=filled]
+	N1 [label="Stock Replenishment" color="#D3EB9F" fillcolor="#F8FDD3" shape=rect style=filled]
+	N2 [label="Online Order Pickup" color="#A1887F" fillcolor="#EFEBE9" shape=document style=filled]
+	N3 [label="Seasonal Sales Planning" color="#94C0C0" fillcolor="#CADEDE" shape=document style=filled]
+	N4 [label="Order Fulfillment" color="#94C0C0" fillcolor="#CADEDE" shape=preparation style=filled]
+	N5 [label="Discount Application" color="#D3EB9F" fillcolor="#F8FDD3" shape=vnode_shape style=filled]
+	N6 [label="Barcode Scanning" color="#D3EB9F" fillcolor="#F8FDD3" shape=preparation style=filled]
+	N7 [label="Staff Training" color="#94C0C0" fillcolor="#CADEDE" shape=action style=filled]
+	N8 [label="Fitting Room Management" color="#94C0C0" fillcolor="#CADEDE" shape=rect style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#94C0C0" penwidth=1.5 style=dashed label="displays" dir=forward]
+	N2 -> N3 [color="#D3EB9F" penwidth=1.5 style=dashed label="serves" dir=forward]
+	N3 -> N4 [color="#A1887F" penwidth=1.5 style=solid label="purchases" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="advertises" dir=forward]
+	N5 -> N6 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N7 [color="#D3EB9F" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_18.txt b/test/diagrams/scanned_easy/diagrams_18.txt
new file mode 100644
index 0000000000000000000000000000000000000000..67e46ded6b34624b05232cc8d8090eda140704f4
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_18.txt
@@ -0,0 +1,10 @@
+<Barcode Scanning, connectedTo, Staff Training>
+<Discount Application, connectedTo, Barcode Scanning>
+<Fitting Room Management, connectedTo, Barcode Scanning>
+<Fitting Room Management, connectedTo, Staff Training>
+<Loss Prevention, connectedTo, Stock Replenishment>
+<Online Order Pickup, serves, Seasonal Sales Planning>
+<Order Fulfillment, advertises, Discount Application>
+<Seasonal Sales Planning, purchases, Order Fulfillment>
+<Staff Training, connectedTo, Fitting Room Management>
+<Stock Replenishment, displays, Online Order Pickup>
diff --git a/test/diagrams/scanned_easy/diagrams_181.txt b/test/diagrams/scanned_easy/diagrams_181.txt
new file mode 100644
index 0000000000000000000000000000000000000000..98fcf6449f252a010e67f405016462ce522ccdf2
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_181.txt
@@ -0,0 +1,16 @@
+<Cloud_based Data Platforms, connectedTo, Operational Efficiency Metrics>
+<Customer Analytics, connectedTo, Data Collection>
+<Data Cleaning, connectedTo, Time Series Forecasting>
+<Data Collection, connectedTo, Cloud_based Data Platforms>
+<ETL Process Management, connectedTo, Operational Efficiency Metrics>
+<ETL Process Management, correlates, Customer Analytics>
+<ETL Process Management, models, Marketing Campaign Analysis>
+<ETL Process Management, reports, Machine Learning Integration>
+<Financial Data Analysis, connectedTo, Machine Learning Integration>
+<Marketing Campaign Analysis, connectedTo, Operational Efficiency Metrics>
+<Operational Efficiency Metrics, measures, Financial Data Analysis>
+<Predictive Analytics, connectedTo, Data Cleaning>
+<Predictive Analytics, connectedTo, Time Series Forecasting>
+<Text Analytics, connectedTo, Predictive Analytics>
+<Text Analytics, connectedTo, Time Series Forecasting>
+<Time Series Forecasting, connectedTo, ETL Process Management>
diff --git a/test/diagrams/scanned_easy/diagrams_182.dot b/test/diagrams/scanned_easy/diagrams_182.dot
new file mode 100644
index 0000000000000000000000000000000000000000..117b392b8a76157e0ae63b3314554e941ebb6e0e
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_182.dot
@@ -0,0 +1,49 @@
+digraph {
+	rankdir=BT
+	N0 [label="Report Generation" color="#FF9800" fillcolor="#FFE0B2" shape=predefinedprocess style=filled]
+	N1 [label="Cloud_based Data Platforms" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+	N2 [label="Exploratory Data Analysis" color="#00BCD4" fillcolor="#E0F7FA" shape=predefinedprocess style=filled]
+	N3 [label="Data Cleaning" color="#FF9800" fillcolor="#FFE0B2" shape=parallelogram style=filled]
+	N4 [label="Prescriptive Analytics" color="#00BCD4" fillcolor="#E0F7FA" shape=inputoutput style=filled]
+	N5 [label="Data Storytelling" color="#64B5F6" fillcolor="#E3F2FD" shape=hexagon style=filled]
+	N6 [label="HR Data Analytics" color="#00BCD4" fillcolor="#E0F7FA" shape=document style=filled]
+	N7 [label="Business User Training on Analytics" color="#FF9800" fillcolor="#FFE0B2" shape=rectangle style=filled]
+	N8 [label="Healthcare Data Analysis" color="#64B5F6" fillcolor="#E3F2FD" shape=multipledocuments style=filled]
+	N9 [label="Web Analytics" color="#FF9800" fillcolor="#FFE0B2" shape=predefinedprocess style=filled]
+	N10 [label="Sales Performance Analysis" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N11 [label="Social Media Analytics" color="#64B5F6" fillcolor="#E3F2FD" shape=vnode_shape style=filled]
+	N12 [label="Data Security Best Practices" color="#00BCD4" fillcolor="#E0F7FA" shape=rect style=filled]
+	S0 [label="" color="#FF9800" fillcolor="#FFE0B2" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FF9800" fillcolor="#FFE0B2" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Sentiment Analysis {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Sentiment Analysis"
+		nest0_0 [label="Data Mining" color="#64B5F6" fillcolor="#E3F2FD" shape=rectangle style=filled]
+		nest0_1 [label="Data Transformation" color="#64B5F6" fillcolor="#E3F2FD" shape=rect style=filled]
+		nest0_2 [label="Predictive Analytics" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	}
+	N0 -> N1 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#64B5F6" penwidth=1.5 style=dashed label="educates" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#00BCD4" penwidth=1.5 style=dashed label="audits" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FF9800" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#FF9800" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	N11 -> N12 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#00BCD4" penwidth=1.5 style=solid label="queries" dir=forward]
+	nest0_1 -> nest0_2 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N4 -> nest0_0 [color="#FF9800" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> S0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N9 [color="#00BCD4" penwidth=1.5 style=dashed label="researches" dir=forward]
+	S0 -> N10 [color="#FF9800" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M0 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N5 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_183.dot b/test/diagrams/scanned_easy/diagrams_183.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0ca03ec7c23a5abb6303b4d9d69484dbb97b4285
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_183.dot
@@ -0,0 +1,35 @@
+digraph {
+	rankdir=RL
+	N0 [label="Big Data Processing" color="#AF56A6" fillcolor="#DDCEDD" shape=ellipse style=filled]
+	N1 [label="Social Media Analytics" color="#A2D0FF" fillcolor="#E8F0FF" shape=hexagon style=filled]
+	N2 [label="Statistical Modeling" color="#A2D0FF" fillcolor="#E8F0FF" shape=database style=filled]
+	N3 [label="Time Series Forecasting" color="#AF56A6" fillcolor="#DDCEDD" shape=parallelogram style=filled]
+	N4 [label="Prescriptive Analytics" color="#42A5F5" fillcolor="#F1F8FF" shape=ellipse style=filled]
+	N5 [label="Data Collection" color="#A2D0FF" fillcolor="#E8F0FF" shape=hexagon style=filled]
+	N6 [label="Text Analytics" color="#42A5F5" fillcolor="#F1F8FF" shape=inputoutput style=filled]
+	N7 [label="ETL Process Management" color="#AF56A6" fillcolor="#DDCEDD" shape=preparation style=filled]
+	N8 [label="Sentiment Analysis" color="#42A5F5" fillcolor="#F1F8FF" shape=parallelogram style=filled]
+	S0 [label="" color="#42A5F5" fillcolor="#F1F8FF" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Data Storytelling {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Data Storytelling"
+		nest0_0 [label="Operational Efficiency Metrics" color="#42A5F5" fillcolor="#F1F8FF" shape=hexagon style=filled]
+		nest0_1 [label="Data Security Best Practices" color="#AF56A6" fillcolor="#DDCEDD" shape=inputoutput style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="implements" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#A2D0FF" penwidth=1.5 style=solid label="validates" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#42A5F5" penwidth=1.5 style=solid dir=forward]
+	N2 -> nest0_0 [color="#42A5F5" penwidth=1.5 style=solid label="processes" dir=forward]
+	nest0_1 -> N1 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N3 -> S0 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	S0 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N5 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N0 [color="#AF56A6" penwidth=1.5 style=dashed label="accesses" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_183.txt b/test/diagrams/scanned_easy/diagrams_183.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c52388bbf9e6265b49dd33d1e7d53d84bb99c478
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_183.txt
@@ -0,0 +1,14 @@
+<Big Data Processing, connectedTo, Social Media Analytics>
+<Data Collection, accesses, Big Data Processing>
+<Data Collection, connectedTo, Text Analytics>
+<Data Security Best Practices, connectedTo, Social Media Analytics>
+<ETL Process Management, connectedTo, Sentiment Analysis>
+<Operational Efficiency Metrics, connectedTo, Data Security Best Practices>
+<Prescriptive Analytics, validates, Data Collection>
+<Social Media Analytics, implements, Statistical Modeling>
+<Statistical Modeling, connectedTo, Time Series Forecasting>
+<Statistical Modeling, processes, Operational Efficiency Metrics>
+<Text Analytics, connectedTo, ETL Process Management>
+<Time Series Forecasting, connectedTo, Data Collection>
+<Time Series Forecasting, connectedTo, Prescriptive Analytics>
+<Time Series Forecasting, connectedTo, Sentiment Analysis>
diff --git a/test/diagrams/scanned_easy/diagrams_184.dot b/test/diagrams/scanned_easy/diagrams_184.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6f8f8cbb53020d427e54d3cdd22ffb4cf2013df1
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_184.dot
@@ -0,0 +1,44 @@
+digraph {
+	rankdir=TB
+	N0 [label="Data Governance Policies" color="#FFE69C" fillcolor="#FFF9D4" shape=vnode_shape style=filled]
+	N1 [label="Mobile BI Development" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+	N2 [label="Self_Service BI Tools" color="#FFE69C" fillcolor="#FFF9D4" shape=rect style=filled]
+	N3 [label="HR Analytics Dashboards" color="#FFF8A6" fillcolor="#FFFDE0" shape=preparation style=filled]
+	N4 [label="Prescriptive Analytics Implementation" color="#FFF8A6" fillcolor="#FFFDE0" shape=action style=filled]
+	N5 [label="Strategic Planning Support" color="#B8C0F5" fillcolor="#ECF0FD" shape=inputoutput style=filled]
+	N6 [label="BI Platform Administration" color="#FFE69C" fillcolor="#FFF9D4" shape=database style=filled]
+	N7 [label="Data Mart Design" color="#FFE69C" fillcolor="#FFF9D4" shape=action style=filled]
+	N8 [label="Competitive Analysis" color="#B8C0F5" fillcolor="#ECF0FD" shape=multipledocuments style=filled]
+	N9 [label="Market Trend Analysis" color="#B8C0F5" fillcolor="#ECF0FD" shape=preparation style=filled]
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+	S1 [label="" color="#FFE69C" fillcolor="#FFF9D4" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFE69C" fillcolor="#FFF9D4" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Data Quality Management {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Data Quality Management"
+		nest0_0 [label="Master Data Management" color="#FFE69C" fillcolor="#FFF9D4" shape=document style=filled]
+		nest0_1 [label="Data Source Integration" color="#FFE69C" fillcolor="#FFF9D4" shape=action style=filled]
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+	N1 -> N2 [color="#FFF8A6" penwidth=1.5 style=solid label="trains" dir=forward]
+	N2 -> N3 [color="#FFF8A6" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFF8A6" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#B8C0F5" penwidth=1.5 style=dashed label="defines" dir=forward]
+	N5 -> N6 [color="#FFF8A6" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFE69C" penwidth=1.5 style=dashed label="designs" dir=forward]
+	N7 -> N8 [color="#B8C0F5" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#FFF8A6" penwidth=1.5 style=dashed dir=forward]
+	N2 -> nest0_0 [color="#FFF8A6" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N2 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	N0 -> S0 [color="#B8C0F5" penwidth=1.5 style=solid dir=forward]
+	S0 -> N4 [color="#FFF8A6" penwidth=1.5 style=dashed label="presents" dir=forward]
+	S0 -> N6 [color="#B8C0F5" penwidth=1.5 style=solid dir=forward]
+	N4 -> S1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N7 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	N0 -> M0 [color="#FFF8A6" penwidth=1.5 style=dashed label="models" dir=forward]
+	N3 -> M0 [color="#000000" penwidth=1.5 style=solid label="optimizes" dir=forward]
+	M0 -> N5 [color="#B8C0F5" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_184.txt b/test/diagrams/scanned_easy/diagrams_184.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a35c0471e72feca3ad79629657b043a2236b3f50
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_184.txt
@@ -0,0 +1,18 @@
+<BI Platform Administration, designs, Data Mart Design>
+<Competitive Analysis, connectedTo, Market Trend Analysis>
+<Data Governance Policies, automates, Mobile BI Development>
+<Data Governance Policies, connectedTo, BI Platform Administration>
+<Data Governance Policies, models, Strategic Planning Support>
+<Data Governance Policies, presents, Prescriptive Analytics Implementation>
+<Data Mart Design, connectedTo, Competitive Analysis>
+<Data Source Integration, connectedTo, Self_Service BI Tools>
+<HR Analytics Dashboards, connectedTo, Prescriptive Analytics Implementation>
+<HR Analytics Dashboards, optimizes, Strategic Planning Support>
+<Master Data Management, connectedTo, Data Source Integration>
+<Mobile BI Development, trains, Self_Service BI Tools>
+<Prescriptive Analytics Implementation, connectedTo, Competitive Analysis>
+<Prescriptive Analytics Implementation, connectedTo, Data Mart Design>
+<Prescriptive Analytics Implementation, defines, Strategic Planning Support>
+<Self_Service BI Tools, connectedTo, HR Analytics Dashboards>
+<Self_Service BI Tools, connectedTo, Master Data Management>
+<Strategic Planning Support, connectedTo, BI Platform Administration>
diff --git a/test/diagrams/scanned_easy/diagrams_185.dot b/test/diagrams/scanned_easy/diagrams_185.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c08ea75c6f0e6d4dc67c21050d4c86c99cc50d6a
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_185.dot
@@ -0,0 +1,46 @@
+digraph {
+	rankdir=BT
+	N0 [label="Operational Efficiency Measurement" color="#F7BEE0" fillcolor="#FAEBF3" shape=document style=filled]
+	N1 [label="BI Platform Administration" color="#FFCC7A" fillcolor="#FFF6D9" shape=action style=filled]
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+	N3 [label="Report Automation" color="#F7BEE0" fillcolor="#FAEBF3" shape=inputoutput style=filled]
+	N4 [label="Performance Monitoring" color="#00BCD4" fillcolor="#B2EBF2" shape=predefinedprocess style=filled]
+	N5 [label="Data Governance Policies" color="#FFCC7A" fillcolor="#FFF6D9" shape=rect style=filled]
+	N6 [label="Mobile BI Development" color="#FFCC7A" fillcolor="#FFF6D9" shape=rectangle style=filled]
+	N7 [label="Supply Chain Optimization" color="#FFCC7A" fillcolor="#FFF6D9" shape=ellipse style=filled]
+	N8 [label="Data Storytelling for Business" color="#00BCD4" fillcolor="#B2EBF2" shape=rect style=filled]
+	N9 [label="Risk Assessment Reporting" color="#F7BEE0" fillcolor="#FAEBF3" shape=rect style=filled]
+	N10 [label="HR Analytics Dashboards" color="#F7BEE0" fillcolor="#FAEBF3" shape=diamond style=filled]
+	S0 [label="" color="#00BCD4" fillcolor="#B2EBF2" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFCC7A" fillcolor="#FFF6D9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Sales Forecasting {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Sales Forecasting"
+		nest0_0 [label="Strategic Planning Support" color="#00BCD4" fillcolor="#B2EBF2" shape=hexagon style=filled]
+		nest0_1 [label="OLAP Cube Creation" color="#FFCC7A" fillcolor="#FFF6D9" shape=action style=filled]
+		nest0_2 [label="Data Source Integration" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+		nest0_3 [label="Real_time BI Dashboards" color="#FFCC7A" fillcolor="#FFF6D9" shape=parallelogram style=filled]
+	}
+	N0 -> N1 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFCC7A" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="compares" dir=forward]
+	N4 -> N5 [color="#00BCD4" penwidth=1.5 style=solid label="integrates" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="measures" dir=forward]
+	N6 -> N7 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#F7BEE0" penwidth=1.5 style=dashed label="loads" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> nest0_3 [color="#FFCC7A" penwidth=1.5 style=dashed label="models" dir=forward]
+	N5 -> nest0_0 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N8 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N6 -> S0 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N8 [color="#00BCD4" penwidth=1.5 style=solid label="ETLs" dir=forward]
+	S0 -> N10 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N4 -> M0 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M0 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
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+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_185.txt b/test/diagrams/scanned_easy/diagrams_185.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3d94ed393835dd570ad07daeb96411adb0d048dc
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_185.txt
@@ -0,0 +1,19 @@
+<BI Platform Administration, connectedTo, Cloud BI Solutions>
+<Cloud BI Solutions, analyzes, Report Automation>
+<Data Governance Policies, connectedTo, Strategic Planning Support>
+<Data Governance Policies, measures, Mobile BI Development>
+<Data Source Integration, models, Real_time BI Dashboards>
+<Data Storytelling for Business, connectedTo, Risk Assessment Reporting>
+<Mobile BI Development, ETLs, Data Storytelling for Business>
+<Mobile BI Development, connectedTo, HR Analytics Dashboards>
+<Mobile BI Development, connectedTo, Supply Chain Optimization>
+<OLAP Cube Creation, connectedTo, Data Source Integration>
+<Operational Efficiency Measurement, connectedTo, BI Platform Administration>
+<Operational Efficiency Measurement, connectedTo, Supply Chain Optimization>
+<Performance Monitoring, connectedTo, Supply Chain Optimization>
+<Performance Monitoring, integrates, Data Governance Policies>
+<Real_time BI Dashboards, connectedTo, Data Storytelling for Business>
+<Report Automation, compares, Performance Monitoring>
+<Risk Assessment Reporting, connectedTo, HR Analytics Dashboards>
+<Strategic Planning Support, connectedTo, OLAP Cube Creation>
+<Supply Chain Optimization, loads, Data Storytelling for Business>
diff --git a/test/diagrams/scanned_easy/diagrams_187.dot b/test/diagrams/scanned_easy/diagrams_187.dot
new file mode 100644
index 0000000000000000000000000000000000000000..02bc8dd66aeae5b0db5f99f29f648e8a7323d5c8
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_187.dot
@@ -0,0 +1,50 @@
+digraph {
+	rankdir=BT
+	N0 [label="Product Launch Strategy" color="#FBC02D" fillcolor="#FFFDE7" shape=predefinedprocess style=filled]
+	N1 [label="Marketing Automation" color="#FFC2C2" fillcolor="#FFEBEB" shape=database style=filled]
+	N2 [label="Email Marketing" color="#FFC2C2" fillcolor="#FFEBEB" shape=ellipse style=filled]
+	N3 [label="Public Relations" color="#FFEB3B" fillcolor="#FFF9C4" shape=parallelogram style=filled]
+	N4 [label="Social Media Marketing" color="#FBC02D" fillcolor="#FFFDE7" shape=parallelogram style=filled]
+	N5 [label="Brand Strategy Development" color="#FBC02D" fillcolor="#FFFDE7" shape=box style=filled]
+	N6 [label="Content Marketing" color="#FFC2C2" fillcolor="#FFEBEB" shape=preparation style=filled]
+	N7 [label="Direct Mail Marketing" color="#FFC2C2" fillcolor="#FFEBEB" shape=document style=filled]
+	N8 [label="Affiliate Marketing" color="#FFC2C2" fillcolor="#FFEBEB" shape=rectangle style=filled]
+	N9 [label="Personalization Strategies" color="#FFEB3B" fillcolor="#FFF9C4" shape=rect style=filled]
+	N10 [label="Search Engine Marketing" color="#FBC02D" fillcolor="#FFFDE7" shape=parallelogram style=filled]
+	N11 [label="Customer Segmentation" color="#FBC02D" fillcolor="#FFFDE7" shape=rect style=filled]
+	S0 [label="" color="#FFEB3B" fillcolor="#FFF9C4" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFEB3B" fillcolor="#FFF9C4" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#FBC02D" fillcolor="#FFFDE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Marketing Budget Allocation {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Marketing Budget Allocation"
+		nest0_0 [label="Partnership Marketing" color="#FFEB3B" fillcolor="#FFF9C4" shape=vnode_shape style=filled]
+		nest0_1 [label="Lead Generation" color="#FFC2C2" fillcolor="#FFEBEB" shape=vnode_shape style=filled]
+	}
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+	N1 -> N2 [color="#FFEB3B" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="manages budgets" dir=forward]
+	N4 -> N5 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFC2C2" penwidth=1.5 style=dashed label="targets" dir=forward]
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+	N8 -> N9 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#FFEB3B" penwidth=1.5 style=dashed dir=forward]
+	N2 -> nest0_0 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> N2 [color="#FFEB3B" penwidth=1.5 style=dashed dir=forward]
+	N4 -> S0 [color="#FFEB3B" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N7 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N9 [color="#FFC2C2" penwidth=1.5 style=solid label="optimizes conversions" dir=forward]
+	N6 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> M0 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	N9 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	M0 -> N11 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M1 [color="#FBC02D" penwidth=1.5 style=solid label="automates tasks" dir=forward]
+	N5 -> M1 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+	M1 -> N10 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_187.txt b/test/diagrams/scanned_easy/diagrams_187.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d306a1ff2b8a6abf07ecf7545d691eaa55091664
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_187.txt
@@ -0,0 +1,22 @@
+<Affiliate Marketing, connectedTo, Customer Segmentation>
+<Affiliate Marketing, connectedTo, Personalization Strategies>
+<Brand Strategy Development, connectedTo, Search Engine Marketing>
+<Brand Strategy Development, targets, Content Marketing>
+<Content Marketing, connectedTo, Customer Segmentation>
+<Content Marketing, connectedTo, Direct Mail Marketing>
+<Direct Mail Marketing, connectedTo, Affiliate Marketing>
+<Email Marketing, automates tasks, Search Engine Marketing>
+<Email Marketing, connectedTo, Partnership Marketing>
+<Email Marketing, connectedTo, Public Relations>
+<Lead Generation, connectedTo, Email Marketing>
+<Marketing Automation, connectedTo, Email Marketing>
+<Partnership Marketing, connectedTo, Lead Generation>
+<Personalization Strategies, connectedTo, Customer Segmentation>
+<Personalization Strategies, connectedTo, Search Engine Marketing>
+<Product Launch Strategy, connectedTo, Marketing Automation>
+<Public Relations, manages budgets, Social Media Marketing>
+<Search Engine Marketing, connectedTo, Customer Segmentation>
+<Social Media Marketing, connectedTo, Brand Strategy Development>
+<Social Media Marketing, connectedTo, Direct Mail Marketing>
+<Social Media Marketing, connectedTo, Search Engine Marketing>
+<Social Media Marketing, optimizes conversions, Personalization Strategies>
diff --git a/test/diagrams/scanned_easy/diagrams_188.dot b/test/diagrams/scanned_easy/diagrams_188.dot
new file mode 100644
index 0000000000000000000000000000000000000000..750c62ba5305a74a40ea7d1d69ee91525e16ef32
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_188.dot
@@ -0,0 +1,39 @@
+digraph {
+	rankdir=TB
+	N0 [label="Marketing Analytics" color="#42A5F5" fillcolor="#F1F8FF" shape=database style=filled]
+	N1 [label="Event Marketing" color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N2 [label="Market Research" color="#E91E63" fillcolor="#FCE4EC" shape=vnode_shape style=filled]
+	N3 [label="Content Marketing" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N4 [label="Pricing Strategy" color="#E91E63" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N5 [label="Remarketing Campaigns" color="#AF56A6" fillcolor="#DDCEDD" shape=document style=filled]
+	N6 [label="Marketing Budget Allocation" color="#AF56A6" fillcolor="#DDCEDD" shape=multipledocuments style=filled]
+	N7 [label="Distribution Channel Management" color="#E91E63" fillcolor="#FCE4EC" shape=rect style=filled]
+	N8 [label="Social Media Marketing" color="#AF56A6" fillcolor="#DDCEDD" shape=vnode_shape style=filled]
+	S0 [label="" color="#AF56A6" fillcolor="#DDCEDD" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#E91E63" fillcolor="#FCE4EC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Marketing Automation {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Marketing Automation"
+		nest0_0 [label="Conversion Rate Optimization" color="#E91E63" fillcolor="#FCE4EC" shape=vnode_shape style=filled]
+		nest0_1 [label="Personalization Strategies" color="#AF56A6" fillcolor="#DDCEDD" shape=preparation style=filled]
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+	N0 -> N1 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#42A5F5" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#42A5F5" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=dashed label="personalizes content" dir=forward]
+	N6 -> nest0_0 [color="#E91E63" penwidth=1.5 style=solid label="automates tasks" dir=forward]
+	nest0_1 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> S0 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N5 [color="#42A5F5" penwidth=1.5 style=solid dir=forward]
+	S0 -> N6 [color="#42A5F5" penwidth=1.5 style=solid label="brands" dir=forward]
+	S0 -> N3 [color="#42A5F5" penwidth=1.5 style=solid label="generates leads" dir=forward]
+	N1 -> M0 [color="#AF56A6" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M0 [color="#000000" penwidth=1.5 style=dashed label="optimizes SEO" dir=forward]
+	M0 -> N5 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_188.txt b/test/diagrams/scanned_easy/diagrams_188.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c1dcf94f570dbd8edc2658e0b934218103bc4130
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_188.txt
@@ -0,0 +1,15 @@
+<Content Marketing, connectedTo, Pricing Strategy>
+<Conversion Rate Optimization, personalizes content, Personalization Strategies>
+<Distribution Channel Management, connectedTo, Social Media Marketing>
+<Event Marketing, brands, Marketing Budget Allocation>
+<Event Marketing, connectedTo, Market Research>
+<Event Marketing, connectedTo, Remarketing Campaigns>
+<Event Marketing, generates leads, Content Marketing>
+<Market Research, connectedTo, Content Marketing>
+<Marketing Analytics, connectedTo, Event Marketing>
+<Marketing Analytics, optimizes SEO, Remarketing Campaigns>
+<Marketing Budget Allocation, automates tasks, Conversion Rate Optimization>
+<Marketing Budget Allocation, connectedTo, Distribution Channel Management>
+<Personalization Strategies, connectedTo, Event Marketing>
+<Pricing Strategy, connectedTo, Remarketing Campaigns>
+<Remarketing Campaigns, connectedTo, Marketing Budget Allocation>
diff --git a/test/diagrams/scanned_easy/diagrams_19.dot b/test/diagrams/scanned_easy/diagrams_19.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8f1d8b6fe0c7ed889217c5043fbfb8b85a57e852
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_19.dot
@@ -0,0 +1,21 @@
+digraph {
+	rankdir=TB
+	N0 [label="After_sales Service" color="#B8C0F5" fillcolor="#ECF0FD" shape=diamond style=filled]
+	N1 [label="Tire Rotation" color="#64B5F6" fillcolor="#E3F2FD" shape=box style=filled]
+	N2 [label="Engine Installation" color="#C2B2F0" fillcolor="#EFE6FF" shape=vnode_shape style=filled]
+	N3 [label="Parts Distribution" color="#B8C0F5" fillcolor="#ECF0FD" shape=hexagon style=filled]
+	N4 [label="Dealership Sales" color="#C2B2F0" fillcolor="#EFE6FF" shape=action style=filled]
+	N5 [label="Part Manufacturing" color="#64B5F6" fillcolor="#E3F2FD" shape=inputoutput style=filled]
+	N6 [label="Assembly Line Setup" color="#64B5F6" fillcolor="#E3F2FD" shape=diamond style=filled]
+	N7 [label="Vehicle Connectivity" color="#64B5F6" fillcolor="#E3F2FD" shape=rect style=filled]
+	N8 [label="Fuel Efficiency Check" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+	N0 -> N1 [color="#64B5F6" penwidth=1.5 style=dashed label="inspects" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="schedules" dir=forward]
+	N2 -> N3 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#C2B2F0" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#64B5F6" penwidth=1.5 style=dashed label="sells" dir=forward]
+	N6 -> N7 [color="#C2B2F0" penwidth=1.5 style=solid label="supports" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N8 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_19.txt b/test/diagrams/scanned_easy/diagrams_19.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b5be13cfef50b1bbee7a23ba366430ba94fb14a1
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_19.txt
@@ -0,0 +1,9 @@
+<After_sales Service, inspects, Tire Rotation>
+<Assembly Line Setup, supports, Vehicle Connectivity>
+<Dealership Sales, connectedTo, Part Manufacturing>
+<Engine Installation, connectedTo, Parts Distribution>
+<Part Manufacturing, sells, Assembly Line Setup>
+<Parts Distribution, connectedTo, Dealership Sales>
+<Parts Distribution, connectedTo, Fuel Efficiency Check>
+<Tire Rotation, schedules, Engine Installation>
+<Vehicle Connectivity, connectedTo, Fuel Efficiency Check>
diff --git a/test/diagrams/scanned_easy/diagrams_190.dot b/test/diagrams/scanned_easy/diagrams_190.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8348674bc94906a92ba14a0631b32acc4065fbab
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_190.dot
@@ -0,0 +1,42 @@
+digraph {
+	rankdir=LR
+	N0 [label="Audience Targeting" color="#5C6BC0" fillcolor="#E8EAF6" shape=preparation style=filled]
+	N1 [label="Interactive Ad Formats" color="#5C6BC0" fillcolor="#E8EAF6" shape=rect style=filled]
+	N2 [label="Competitor Ad Analysis" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N3 [label="Video Advertising" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N4 [label="Search Engine Ads" color="#5C6BC0" fillcolor="#E8EAF6" shape=predefinedprocess style=filled]
+	N5 [label="Retargeting Campaigns" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N6 [label="Return on Ad Spend Calculation" color="#5C6BC0" fillcolor="#E8EAF6" shape=document style=filled]
+	N7 [label="Native Advertising" color="#5C6BC0" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	S0 [label="" color="#5C6BC0" fillcolor="#E8EAF6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#5C6BC0" fillcolor="#E8EAF6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#4CAF50" fillcolor="#C8E6C9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Programmatic Advertising {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Programmatic Advertising"
+		nest0_0 [label="Privacy Concerns in Ads" color="#4CAF50" fillcolor="#C8E6C9" shape=inputoutput style=filled]
+		nest0_1 [label="Regulatory Compliance for Ads" color="#3F51B5" fillcolor="#C5CAE9" shape=action style=filled]
+		nest0_2 [label="Ad Copywriting" color="#5C6BC0" fillcolor="#E8EAF6" shape=diamond style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#4CAF50" penwidth=1.5 style=dashed label="builds awareness" dir=forward]
+	N3 -> N4 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#4CAF50" penwidth=1.5 style=dashed label="drives conversions" dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> nest0_0 [color="#3F51B5" penwidth=1.5 style=dashed label="digital advertising" dir=forward]
+	nest0_2 -> N2 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> S0 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	S0 -> N5 [color="#3F51B5" penwidth=1.5 style=solid label="implements retargeting" dir=forward]
+	S0 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M0 [color="#4CAF50" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M0 [color="#3F51B5" penwidth=1.5 style=dashed label="creates landing pages" dir=forward]
+	M0 -> N4 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N0 -> M1 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M1 [color="#4CAF50" penwidth=1.5 style=solid dir=forward]
+	M1 -> N3 [color="#4CAF50" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_190.txt b/test/diagrams/scanned_easy/diagrams_190.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1210a0e8bda1384a552d490975ea1576a3ac07b0
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_190.txt
@@ -0,0 +1,17 @@
+<Ad Copywriting, connectedTo, Competitor Ad Analysis>
+<Audience Targeting, connectedTo, Interactive Ad Formats>
+<Audience Targeting, connectedTo, Search Engine Ads>
+<Audience Targeting, connectedTo, Video Advertising>
+<Competitor Ad Analysis, builds awareness, Video Advertising>
+<Competitor Ad Analysis, creates landing pages, Search Engine Ads>
+<Competitor Ad Analysis, digital advertising, Privacy Concerns in Ads>
+<Interactive Ad Formats, connectedTo, Competitor Ad Analysis>
+<Interactive Ad Formats, connectedTo, Search Engine Ads>
+<Interactive Ad Formats, connectedTo, Video Advertising>
+<Interactive Ad Formats, implements retargeting, Retargeting Campaigns>
+<Privacy Concerns in Ads, connectedTo, Regulatory Compliance for Ads>
+<Regulatory Compliance for Ads, connectedTo, Ad Copywriting>
+<Retargeting Campaigns, connectedTo, Return on Ad Spend Calculation>
+<Return on Ad Spend Calculation, drives conversions, Native Advertising>
+<Search Engine Ads, connectedTo, Retargeting Campaigns>
+<Video Advertising, connectedTo, Search Engine Ads>
diff --git a/test/diagrams/scanned_easy/diagrams_191.txt b/test/diagrams/scanned_easy/diagrams_191.txt
new file mode 100644
index 0000000000000000000000000000000000000000..080bfad798439327ce298e5c3af33fcfd9434594
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_191.txt
@@ -0,0 +1,17 @@
+<Ad Network Management, connectedTo, Retargeting Campaigns>
+<Ad Network Management, connectedTo, Social Media Ads>
+<Competitor Ad Analysis, connectedTo, Performance Tracking>
+<Competitor Ad Analysis, connectedTo, Retargeting Campaigns>
+<Competitor Ad Analysis, targets psychographics, Retargeting Campaigns>
+<Conversion Tracking, connectedTo, Visual Design for Ads>
+<Outdoor Advertising, connectedTo, Programmatic Advertising>
+<Performance Tracking, connectedTo, Radio Advertising>
+<Performance Tracking, connectedTo, Retargeting Campaigns>
+<Performance Tracking, connectedTo, Social Media Ads>
+<Performance Tracking, detects fraud, Ad Network Management>
+<Programmatic Advertising, connectedTo, Conversion Tracking>
+<Retargeting Campaigns, connectedTo, Outdoor Advertising>
+<Retargeting Campaigns, digital advertising, Radio Advertising>
+<Search Engine Ads, connectedTo, Competitor Ad Analysis>
+<Social Media Ads, connectedTo, Retargeting Campaigns>
+<Visual Design for Ads, connectedTo, Social Media Ads>
diff --git a/test/diagrams/scanned_easy/diagrams_192.dot b/test/diagrams/scanned_easy/diagrams_192.dot
new file mode 100644
index 0000000000000000000000000000000000000000..088f9028a2a9514884d30de5f2d55d8402aff9d3
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_192.dot
@@ -0,0 +1,48 @@
+digraph {
+	rankdir=BT
+	N0 [label="Interactive Ad Formats" color="#D2D2D2" fillcolor="#F0F0F0" shape=vnode_shape style=filled]
+	N1 [label="Search Engine Ads" color="#D2D2D2" fillcolor="#F0F0F0" shape=action style=filled]
+	N2 [label="Ad Placement Optimization" color="#D2D2D2" fillcolor="#F0F0F0" shape=parallelogram style=filled]
+	N3 [label="Ad Analytics Reporting" color="#4285F4" fillcolor="#D0E0F8" shape=diamond style=filled]
+	N4 [label="Programmatic Advertising" color="#4285F4" fillcolor="#D0E0F8" shape=diamond style=filled]
+	N5 [label="Return on Ad Spend Calculation" color="#4285F4" fillcolor="#D0E0F8" shape=box style=filled]
+	N6 [label="Conversion Tracking" color="#D2D2D2" fillcolor="#F0F0F0" shape=parallelogram style=filled]
+	N7 [label="Psychographic Targeting" color="#D2D2D2" fillcolor="#F0F0F0" shape=multipledocuments style=filled]
+	N8 [label="Outdoor Advertising" color="#4285F4" fillcolor="#D0E0F8" shape=hexagon style=filled]
+	N9 [label="Ad Copywriting" color="#FFF8A6" fillcolor="#FFFDE0" shape=predefinedprocess style=filled]
+	S0 [label="" color="#FFF8A6" fillcolor="#FFFDE0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#D2D2D2" fillcolor="#F0F0F0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#FFF8A6" fillcolor="#FFFDE0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Print Advertising {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Print Advertising"
+		nest0_0 [label="Landing Page Optimization" color="#4285F4" fillcolor="#D0E0F8" shape=diamond style=filled]
+		nest0_1 [label="Brand Awareness Campaigns" color="#FFF8A6" fillcolor="#FFFDE0" shape=vnode_shape style=filled]
+		nest0_2 [label="Social Media Ads" color="#FFF8A6" fillcolor="#FFFDE0" shape=parallelogram style=filled]
+		nest0_3 [label="Visual Design for Ads" color="#4285F4" fillcolor="#D0E0F8" shape=predefinedprocess style=filled]
+	}
+	N0 -> N1 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#D2D2D2" penwidth=1.5 style=dashed label="tracks performance" dir=forward]
+	N4 -> N5 [color="#FFF8A6" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#4285F4" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#D2D2D2" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#4285F4" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#D2D2D2" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=dashed label="search ads" dir=forward]
+	nest0_2 -> nest0_3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> nest0_0 [color="#4285F4" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N3 [color="#FFF8A6" penwidth=1.5 style=dashed dir=forward]
+	N4 -> S0 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+	S0 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N8 [color="#4285F4" penwidth=1.5 style=solid label="optimizes campaigns" dir=forward]
+	N4 -> M0 [color="#4285F4" penwidth=1.5 style=solid label="measures ROAS" dir=forward]
+	N3 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M1 [color="#000000" penwidth=1.5 style=solid label="generates responses" dir=forward]
+	N0 -> M1 [color="#4285F4" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_192.txt b/test/diagrams/scanned_easy/diagrams_192.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f655131433dca6bea94a060e789f31861f78782a
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_192.txt
@@ -0,0 +1,20 @@
+<Ad Analytics Reporting, connectedTo, Conversion Tracking>
+<Ad Analytics Reporting, tracks performance, Programmatic Advertising>
+<Ad Placement Optimization, connectedTo, Ad Analytics Reporting>
+<Ad Placement Optimization, connectedTo, Landing Page Optimization>
+<Ad Placement Optimization, generates responses, Conversion Tracking>
+<Brand Awareness Campaigns, search ads, Social Media Ads>
+<Conversion Tracking, connectedTo, Psychographic Targeting>
+<Interactive Ad Formats, connectedTo, Conversion Tracking>
+<Interactive Ad Formats, connectedTo, Search Engine Ads>
+<Landing Page Optimization, connectedTo, Brand Awareness Campaigns>
+<Outdoor Advertising, connectedTo, Ad Copywriting>
+<Programmatic Advertising, connectedTo, Ad Copywriting>
+<Programmatic Advertising, connectedTo, Return on Ad Spend Calculation>
+<Programmatic Advertising, measures ROAS, Conversion Tracking>
+<Programmatic Advertising, optimizes campaigns, Outdoor Advertising>
+<Psychographic Targeting, connectedTo, Outdoor Advertising>
+<Return on Ad Spend Calculation, connectedTo, Conversion Tracking>
+<Search Engine Ads, connectedTo, Ad Placement Optimization>
+<Social Media Ads, connectedTo, Visual Design for Ads>
+<Visual Design for Ads, connectedTo, Ad Analytics Reporting>
diff --git a/test/diagrams/scanned_easy/diagrams_193.txt b/test/diagrams/scanned_easy/diagrams_193.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6a6c9fe8fd1b921df612444b53612e5e9f54adb7
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_193.txt
@@ -0,0 +1,19 @@
+<Blockchain Node Operation, operates nodes, Sharding Implementation>
+<Decentralized Finance Protocols, connectedTo, Security Auditing for Blockchains>
+<Gaming on Blockchain, connectedTo, Initial Coin Offerings>
+<Identity Verification on Blockchain, connectedTo, Private Blockchain Implementation>
+<Identity Verification on Blockchain, mines blocks, Gaming on Blockchain>
+<Initial Coin Offerings, connectedTo, Decentralized Finance Protocols>
+<Initial Coin Offerings, connectedTo, Security Auditing for Blockchains>
+<Initial Coin Offerings, connectedTo, Smart Contract Development>
+<Initial Coin Offerings, governs DAOs, Public Blockchain Deployment>
+<Private Blockchain Implementation, builds enterprise solutions, Gaming on Blockchain>
+<Private Blockchain Implementation, launches STOs, Security Token Offerings>
+<Regulatory Compliance for Blockchain, connectedTo, Gaming on Blockchain>
+<Regulatory Compliance for Blockchain, connectedTo, Identity Verification on Blockchain>
+<Scalability Solutions, connectedTo, Security Token Offerings>
+<Security Auditing for Blockchains, connectedTo, Blockchain Node Operation>
+<Security Auditing for Blockchains, connectedTo, Smart Contract Development>
+<Security Token Offerings, connectedTo, Gaming on Blockchain>
+<Sharding Implementation, connectedTo, Scalability Solutions>
+<Smart Contract Development, integrates systems, Public Blockchain Deployment>
diff --git a/test/diagrams/scanned_easy/diagrams_194.dot b/test/diagrams/scanned_easy/diagrams_194.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d7e1594bf2cf4ad28427d5ee74e1c9097c93f2e1
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_194.dot
@@ -0,0 +1,44 @@
+digraph {
+	rankdir=BT
+	N0 [label="Smart Contract Development" color="#FFB74D" fillcolor="#FFF3E0" shape=rect style=filled]
+	N1 [label="Security Auditing for Blockchains" color="#FFD54F" fillcolor="#FFF8E1" shape=preparation style=filled]
+	N2 [label="Cryptographic Hashing" color="#61CAC3" fillcolor="#C2E8E6" shape=predefinedprocess style=filled]
+	N3 [label="Real Estate Tokenization" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	N4 [label="Healthcare Data Management" color="#FFB74D" fillcolor="#FFF3E0" shape=action style=filled]
+	N5 [label="Digital Identity Management" color="#FFD54F" fillcolor="#FFF8E1" shape=document style=filled]
+	N6 [label="Initial Coin Offerings" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	N7 [label="Security Token Offerings" color="#61CAC3" fillcolor="#C2E8E6" shape=document style=filled]
+	N8 [label="Enterprise Blockchain Solutions" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	S0 [label="" color="#FFD54F" fillcolor="#FFF8E1" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#61CAC3" fillcolor="#C2E8E6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#FFD54F" fillcolor="#FFF8E1" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Decentralized Finance Protocols {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Decentralized Finance Protocols"
+		nest0_0 [label="Distributed Ledger Technology" color="#61CAC3" fillcolor="#C2E8E6" shape=rect style=filled]
+		nest0_1 [label="Tokenomics Design" color="#FFD54F" fillcolor="#FFF8E1" shape=vnode_shape style=filled]
+		nest0_2 [label="Gaming on Blockchain" color="#61CAC3" fillcolor="#C2E8E6" shape=preparation style=filled]
+	}
+	N0 -> N1 [color="#FFD54F" penwidth=1.5 style=solid label="mines blocks" dir=forward]
+	N1 -> N2 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=solid label="implements algorithms" dir=forward]
+	N2 -> nest0_0 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> N1 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+	N4 -> S0 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	S0 -> N7 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> S1 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N5 [color="#61CAC3" penwidth=1.5 style=solid label="uses ZKPs" dir=forward]
+	S1 -> N6 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M1 [color="#000000" penwidth=1.5 style=solid label="conducts ICOs" dir=forward]
+	N2 -> M1 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_194.txt b/test/diagrams/scanned_easy/diagrams_194.txt
new file mode 100644
index 0000000000000000000000000000000000000000..02040bcd0d5c75f570378ca0f3d8624e88d235d6
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_194.txt
@@ -0,0 +1,18 @@
+<Cryptographic Hashing, connectedTo, Distributed Ledger Technology>
+<Cryptographic Hashing, connectedTo, Initial Coin Offerings>
+<Cryptographic Hashing, connectedTo, Real Estate Tokenization>
+<Digital Identity Management, connectedTo, Initial Coin Offerings>
+<Distributed Ledger Technology, connectedTo, Tokenomics Design>
+<Gaming on Blockchain, connectedTo, Security Auditing for Blockchains>
+<Healthcare Data Management, connectedTo, Digital Identity Management>
+<Healthcare Data Management, connectedTo, Initial Coin Offerings>
+<Healthcare Data Management, connectedTo, Security Token Offerings>
+<Initial Coin Offerings, connectedTo, Security Token Offerings>
+<Real Estate Tokenization, conducts ICOs, Initial Coin Offerings>
+<Real Estate Tokenization, connectedTo, Healthcare Data Management>
+<Real Estate Tokenization, connectedTo, Initial Coin Offerings>
+<Real Estate Tokenization, uses ZKPs, Digital Identity Management>
+<Security Auditing for Blockchains, connectedTo, Cryptographic Hashing>
+<Security Token Offerings, connectedTo, Enterprise Blockchain Solutions>
+<Smart Contract Development, mines blocks, Security Auditing for Blockchains>
+<Tokenomics Design, implements algorithms, Gaming on Blockchain>
diff --git a/test/diagrams/scanned_easy/diagrams_195.txt b/test/diagrams/scanned_easy/diagrams_195.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f6fa89e1734a96a846d271b00e4c789acff15ae3
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_195.txt
@@ -0,0 +1,18 @@
+<Decentralized Network Design, connectedTo, Voting Systems on Blockchain>
+<Enterprise Blockchain Solutions, connectedTo, Gaming on Blockchain>
+<Gaming on Blockchain, implements algorithms, Governance Models for Blockchains>
+<Identity Verification on Blockchain, connectedTo, Smart Contract Development>
+<Intellectual Property Management, connectedTo, Security Token Offerings>
+<Mining Operations, connectedTo, Identity Verification on Blockchain>
+<Private Blockchain Implementation, connectedTo, Decentralized Network Design>
+<Private Blockchain Implementation, connectedTo, Identity Verification on Blockchain>
+<Private Blockchain Implementation, connectedTo, Intellectual Property Management>
+<Private Blockchain Implementation, connectedTo, Sharding Implementation>
+<Security Token Offerings, scales systems, Mining Operations>
+<Sharding Implementation, connectedTo, Enterprise Blockchain Solutions>
+<Smart Contract Development, connectedTo, Transaction Verification>
+<Tokenomics Design, connectedTo, Zero_Knowledge Proofs>
+<Tokenomics Design, manages networks, Decentralized Network Design>
+<Transaction Verification, operates nodes, Decentralized Network Design>
+<Voting Systems on Blockchain, connectedTo, Sharding Implementation>
+<Zero_Knowledge Proofs, sets up environments, Private Blockchain Implementation>
diff --git a/test/diagrams/scanned_easy/diagrams_196.dot b/test/diagrams/scanned_easy/diagrams_196.dot
new file mode 100644
index 0000000000000000000000000000000000000000..171a9fbe118db241147f50f5ded641761da6f89b
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_196.dot
@@ -0,0 +1,54 @@
+digraph {
+	rankdir=LR
+	N0 [label="Security Audits" color="#CD8FF2" fillcolor="#ECCFF5" shape=multipledocuments style=filled]
+	N1 [label="Stablecoin Design" color="#AB47BC" fillcolor="#F3E5F5" shape=rectangle style=filled]
+	N2 [label="Community Building" color="#AB47BC" fillcolor="#F3E5F5" shape=preparation style=filled]
+	N3 [label="Mining Algorithm Design" color="#E0E0E0" fillcolor="#EBEBEB" shape=diamond style=filled]
+	N4 [label="Wallet Development" color="#CD8FF2" fillcolor="#ECCFF5" shape=database style=filled]
+	N5 [label="Cryptocurrency Education" color="#AB47BC" fillcolor="#F3E5F5" shape=rectangle style=filled]
+	N6 [label="Staking" color="#AB47BC" fillcolor="#F3E5F5" shape=hexagon style=filled]
+	N7 [label="Hot Wallet Security" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N8 [label="Custodial Services" color="#CD8FF2" fillcolor="#ECCFF5" shape=diamond style=filled]
+	N9 [label="Market Analysis" color="#AB47BC" fillcolor="#F3E5F5" shape=database style=filled]
+	N10 [label="Lending and Borrowing Protocols" color="#CD8FF2" fillcolor="#ECCFF5" shape=inputoutput style=filled]
+	N11 [label="Token Generation Event" color="#CD8FF2" fillcolor="#ECCFF5" shape=rect style=filled]
+	N12 [label="KYC or AML Procedures" color="#CD8FF2" fillcolor="#ECCFF5" shape=diamond style=filled]
+	S0 [label="" color="#E0E0E0" fillcolor="#EBEBEB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#CD8FF2" fillcolor="#ECCFF5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#CD8FF2" fillcolor="#ECCFF5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Key Management {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Key Management"
+		nest0_0 [label="Initial Exchange Offering" color="#AB47BC" fillcolor="#F3E5F5" shape=document style=filled]
+		nest0_1 [label="Tax Reporting for Crypto" color="#AB47BC" fillcolor="#F3E5F5" shape=ellipse style=filled]
+		nest0_2 [label="Portfolio Management" color="#AB47BC" fillcolor="#F3E5F5" shape=multipledocuments style=filled]
+		nest0_3 [label="Venture Capital Funding" color="#E0E0E0" fillcolor="#EBEBEB" shape=parallelogram style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#AB47BC" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#AB47BC" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#AB47BC" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#AB47BC" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	N11 -> N12 [color="#000000" penwidth=1.5 style=dashed label="custodies assets" dir=forward]
+	nest0_0 -> nest0_1 [color="#CD8FF2" penwidth=1.5 style=dashed label="ensures interoperability" dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#AB47BC" penwidth=1.5 style=solid dir=forward]
+	N5 -> nest0_0 [color="#AB47BC" penwidth=1.5 style=dashed dir=forward]
+	nest0_3 -> N11 [color="#CD8FF2" penwidth=1.5 style=solid label="creates coins" dir=forward]
+	N1 -> S0 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N4 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N12 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	M0 -> N7 [color="#AB47BC" penwidth=1.5 style=solid dir=forward]
+	N1 -> M1 [color="#AB47BC" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M1 [color="#E0E0E0" penwidth=1.5 style=dashed label="builds communities" dir=forward]
+	M1 -> N9 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_196.txt b/test/diagrams/scanned_easy/diagrams_196.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bb29bacd307062df9856856fefa7bff352057428
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_196.txt
@@ -0,0 +1,23 @@
+<Community Building, connectedTo, Mining Algorithm Design>
+<Cryptocurrency Education, connectedTo, Initial Exchange Offering>
+<Cryptocurrency Education, connectedTo, Staking>
+<Custodial Services, connectedTo, Market Analysis>
+<Hot Wallet Security, connectedTo, Custodial Services>
+<Initial Exchange Offering, ensures interoperability, Tax Reporting for Crypto>
+<Lending and Borrowing Protocols, connectedTo, Token Generation Event>
+<Market Analysis, connectedTo, Lending and Borrowing Protocols>
+<Mining Algorithm Design, connectedTo, Wallet Development>
+<Portfolio Management, connectedTo, Venture Capital Funding>
+<Security Audits, builds communities, Market Analysis>
+<Security Audits, connectedTo, Hot Wallet Security>
+<Security Audits, connectedTo, Stablecoin Design>
+<Stablecoin Design, connectedTo, Community Building>
+<Stablecoin Design, connectedTo, Hot Wallet Security>
+<Stablecoin Design, connectedTo, KYC or AML Procedures>
+<Stablecoin Design, connectedTo, Market Analysis>
+<Stablecoin Design, connectedTo, Wallet Development>
+<Staking, connectedTo, Hot Wallet Security>
+<Tax Reporting for Crypto, connectedTo, Portfolio Management>
+<Token Generation Event, custodies assets, KYC or AML Procedures>
+<Venture Capital Funding, creates coins, Token Generation Event>
+<Wallet Development, connectedTo, Cryptocurrency Education>
diff --git a/test/diagrams/scanned_easy/diagrams_197.dot b/test/diagrams/scanned_easy/diagrams_197.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0964bf5686a1b48f2944b2747640a91c0feff79f
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_197.dot
@@ -0,0 +1,46 @@
+digraph {
+	rankdir=TB
+	N0 [label="Custodial Services" color="#4DD0E1" fillcolor="#C9F0F0" shape=predefinedprocess style=filled]
+	N1 [label="Interoperability Solutions" color="#4DD0E1" fillcolor="#C9F0F0" shape=parallelogram style=filled]
+	N2 [label="Legal Advisory for Crypto" color="#AABEC6" fillcolor="#E0E6E9" shape=inputoutput style=filled]
+	N3 [label="Token Generation Event" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	N4 [label="Mining Algorithm Design" color="#AABEC6" fillcolor="#E0E6E9" shape=rect style=filled]
+	N5 [label="KYC or AML Procedures" color="#AABEC6" fillcolor="#E0E6E9" shape=action style=filled]
+	N6 [label="Transaction Processing" color="#AABEC6" fillcolor="#E0E6E9" shape=parallelogram style=filled]
+	N7 [label="Cryptocurrency Education" color="#4DD0E1" fillcolor="#C9F0F0" shape=database style=filled]
+	N8 [label="Decentralized Exchange Operation" color="#4DD0E1" fillcolor="#C9F0F0" shape=rectangle style=filled]
+	N9 [label="Blockchain Integration" color="#AABEC6" fillcolor="#E0E6E9" shape=rect style=filled]
+	S0 [label="" color="#4DD0E1" fillcolor="#C9F0F0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#4DD0E1" fillcolor="#C9F0F0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#AABEC6" fillcolor="#E0E6E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Regulatory Compliance {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Regulatory Compliance"
+		nest0_0 [label="Airdrop Campaigns" color="#4DD0E1" fillcolor="#C9F0F0" shape=document style=filled]
+		nest0_1 [label="Cold Storage Solutions" color="#4DD0E1" fillcolor="#C9F0F0" shape=hexagon style=filled]
+		nest0_2 [label="Web3 Integration" color="#AABEC6" fillcolor="#E0E6E9" shape=document style=filled]
+	}
+	N0 -> N1 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#4DD0E1" penwidth=1.5 style=dashed label="integrates fiat" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#4DD0E1" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="audits smart contracts" dir=forward]
+	N7 -> N8 [color="#4DD0E1" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	N2 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed label="analyzes markets" dir=forward]
+	nest0_2 -> N9 [color="#000000" penwidth=1.5 style=solid label="stores keys" dir=forward]
+	N1 -> S0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N4 [color="#4DD0E1" penwidth=1.5 style=solid dir=forward]
+	S0 -> N6 [color="#4DD0E1" penwidth=1.5 style=solid dir=forward]
+	N0 -> S1 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N4 [color="#4DD0E1" penwidth=1.5 style=dashed label="distributes airdrops" dir=forward]
+	S1 -> N2 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N1 -> M1 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N3 -> M1 [color="#AABEC6" penwidth=1.5 style=solid dir=forward]
+	M1 -> N5 [color="#AABEC6" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_197.txt b/test/diagrams/scanned_easy/diagrams_197.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d703f7ae826e9ace611bb594ea7bd38a0aaece66
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_197.txt
@@ -0,0 +1,19 @@
+<Airdrop Campaigns, connectedTo, Cold Storage Solutions>
+<Cold Storage Solutions, connectedTo, Web3 Integration>
+<Cryptocurrency Education, connectedTo, Decentralized Exchange Operation>
+<Custodial Services, connectedTo, Interoperability Solutions>
+<Custodial Services, connectedTo, Legal Advisory for Crypto>
+<Custodial Services, distributes airdrops, Mining Algorithm Design>
+<Decentralized Exchange Operation, connectedTo, Blockchain Integration>
+<Interoperability Solutions, connectedTo, KYC or AML Procedures>
+<Interoperability Solutions, connectedTo, Mining Algorithm Design>
+<Interoperability Solutions, connectedTo, Transaction Processing>
+<Interoperability Solutions, integrates fiat, Legal Advisory for Crypto>
+<KYC or AML Procedures, connectedTo, Transaction Processing>
+<Legal Advisory for Crypto, analyzes markets, Airdrop Campaigns>
+<Legal Advisory for Crypto, connectedTo, Token Generation Event>
+<Mining Algorithm Design, connectedTo, KYC or AML Procedures>
+<Token Generation Event, connectedTo, KYC or AML Procedures>
+<Token Generation Event, connectedTo, Mining Algorithm Design>
+<Transaction Processing, audits smart contracts, Cryptocurrency Education>
+<Web3 Integration, stores keys, Blockchain Integration>
diff --git a/test/diagrams/scanned_easy/diagrams_198.dot b/test/diagrams/scanned_easy/diagrams_198.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5042c3f4b7ab9a850ac65da1279fa38a18666930
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_198.dot
@@ -0,0 +1,46 @@
+digraph {
+	rankdir=LR
+	N0 [label="Cold Storage Solutions" color="#7E57C2" fillcolor="#D1C4E9" shape=vnode_shape style=filled]
+	N1 [label="Mining Algorithm Design" color="#F06292" fillcolor="#FCE4EC" shape=inputoutput style=filled]
+	N2 [label="Exchange Listing" color="#7E57C2" fillcolor="#D1C4E9" shape=inputoutput style=filled]
+	N3 [label="Interoperability Solutions" color="#F06292" fillcolor="#FCE4EC" shape=multipledocuments style=filled]
+	N4 [label="Transaction Processing" color="#BA68C8" fillcolor="#F3E5F5" shape=inputoutput style=filled]
+	N5 [label="Market Analysis" color="#F06292" fillcolor="#FCE4EC" shape=preparation style=filled]
+	N6 [label="Cryptocurrency Trading Bots" color="#7E57C2" fillcolor="#D1C4E9" shape=predefinedprocess style=filled]
+	N7 [label="Wallet Development" color="#F06292" fillcolor="#FCE4EC" shape=action style=filled]
+	N8 [label="Web3 Integration" color="#7E57C2" fillcolor="#D1C4E9" shape=inputoutput style=filled]
+	N9 [label="Cryptocurrency Education" color="#F06292" fillcolor="#FCE4EC" shape=vnode_shape style=filled]
+	N10 [label="Airdrop Campaigns" color="#BA68C8" fillcolor="#F3E5F5" shape=multipledocuments style=filled]
+	N11 [label="Stablecoin Design" color="#BA68C8" fillcolor="#F3E5F5" shape=preparation style=filled]
+	S0 [label="" color="#7E57C2" fillcolor="#D1C4E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Venture Capital Funding {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Venture Capital Funding"
+		nest0_0 [label="Staking" color="#F06292" fillcolor="#FCE4EC" shape=rect style=filled]
+		nest0_1 [label="Token Generation Event" color="#7E57C2" fillcolor="#D1C4E9" shape=rectangle style=filled]
+		nest0_2 [label="Portfolio Management" color="#BA68C8" fillcolor="#F3E5F5" shape=box style=filled]
+		nest0_3 [label="Regulatory Compliance" color="#7E57C2" fillcolor="#D1C4E9" shape=rect style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="stakes assets" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#F06292" penwidth=1.5 style=dashed label="manages TGEs" dir=forward]
+	N4 -> N5 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="borrows capital" dir=forward]
+	N6 -> N7 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#7E57C2" penwidth=1.5 style=solid label="facilitates trades" dir=forward]
+	nest0_0 -> nest0_1 [color="#BA68C8" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=solid label="performs KYCs" dir=forward]
+	nest0_2 -> nest0_3 [color="#000000" penwidth=1.5 style=dashed label="lends funds" dir=forward]
+	N1 -> nest0_0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> S0 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	S0 -> N10 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N11 [color="#7E57C2" penwidth=1.5 style=solid label="audits security" dir=forward]
+	N5 -> nest0_0 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N10 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_199.dot b/test/diagrams/scanned_easy/diagrams_199.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2b8e16ee96124d28adcb1f8e8bc390a7e9ac4801
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_199.dot
@@ -0,0 +1,53 @@
+digraph {
+	rankdir=BT
+	N0 [label="Shareholder Management" color="#26A69A" fillcolor="#E0F2F1" shape=rectangle style=filled]
+	N1 [label="Goal Setting" color="#66BB6A" fillcolor="#E8F5E9" shape=preparation style=filled]
+	N2 [label="Reward_Based Crowdfunding" color="#9FA9E1" fillcolor="#D6D9F0" shape=parallelogram style=filled]
+	N3 [label="Debt Crowdfunding" color="#9FA9E1" fillcolor="#D6D9F0" shape=rectangle style=filled]
+	N4 [label="Equity Crowdfunding" color="#26A69A" fillcolor="#E0F2F1" shape=rectangle style=filled]
+	N5 [label="Investor Relations" color="#66BB6A" fillcolor="#E8F5E9" shape=vnode_shape style=filled]
+	N6 [label="Funding Period Management" color="#9FA9E1" fillcolor="#D6D9F0" shape=diamond style=filled]
+	N7 [label="Press Outreach" color="#26A69A" fillcolor="#E0F2F1" shape=box style=filled]
+	N8 [label="Financial Projection Analysis" color="#66BB6A" fillcolor="#E8F5E9" shape=box style=filled]
+	N9 [label="Backer Communication" color="#26A69A" fillcolor="#E0F2F1" shape=preparation style=filled]
+	N10 [label="Intellectual Property Protection" color="#9FA9E1" fillcolor="#D6D9F0" shape=preparation style=filled]
+	N11 [label="Campaign Creation" color="#66BB6A" fillcolor="#E8F5E9" shape=ellipse style=filled]
+	S0 [label="" color="#9FA9E1" fillcolor="#D6D9F0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#66BB6A" fillcolor="#E8F5E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#9FA9E1" fillcolor="#D6D9F0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Video Production for Campaigns {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Video Production for Campaigns"
+		nest0_0 [label="Marketing Strategy" color="#9FA9E1" fillcolor="#D6D9F0" shape=database style=filled]
+		nest0_1 [label="Platform Selection" color="#9FA9E1" fillcolor="#D6D9F0" shape=rect style=filled]
+		nest0_2 [label="Reward Tier Design" color="#26A69A" fillcolor="#E0F2F1" shape=predefinedprocess style=filled]
+	}
+	N0 -> N1 [color="#26A69A" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#66BB6A" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#66BB6A" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#9FA9E1" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#66BB6A" penwidth=1.5 style=solid label="measures success" dir=forward]
+	N7 -> N8 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#66BB6A" penwidth=1.5 style=solid label="builds communities" dir=forward]
+	nest0_0 -> nest0_1 [color="#66BB6A" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=dashed label="ensures compliance" dir=forward]
+	N2 -> nest0_0 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N8 [color="#9FA9E1" penwidth=1.5 style=solid dir=forward]
+	N3 -> S0 [color="#66BB6A" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N8 [color="#66BB6A" penwidth=1.5 style=dashed label="distributes rewards" dir=forward]
+	S0 -> N7 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N9 [color="#9FA9E1" penwidth=1.5 style=dashed label="manages escrows" dir=forward]
+	N5 -> M0 [color="#66BB6A" penwidth=1.5 style=solid dir=forward]
+	N0 -> M0 [color="#9FA9E1" penwidth=1.5 style=solid label="calculates taxes" dir=forward]
+	N2 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N8 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M1 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+	N7 -> M1 [color="#26A69A" penwidth=1.5 style=solid dir=forward]
+	N5 -> M1 [color="#26A69A" penwidth=1.5 style=solid dir=forward]
+	M1 -> N10 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_199.txt b/test/diagrams/scanned_easy/diagrams_199.txt
new file mode 100644
index 0000000000000000000000000000000000000000..578e6bdc6d10cf12080f5a96e3374c218480ea27
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_199.txt
@@ -0,0 +1,24 @@
+<Backer Communication, connectedTo, Intellectual Property Protection>
+<Debt Crowdfunding, connectedTo, Equity Crowdfunding>
+<Debt Crowdfunding, connectedTo, Intellectual Property Protection>
+<Debt Crowdfunding, connectedTo, Press Outreach>
+<Debt Crowdfunding, distributes rewards, Financial Projection Analysis>
+<Debt Crowdfunding, manages escrows, Backer Communication>
+<Equity Crowdfunding, connectedTo, Investor Relations>
+<Financial Projection Analysis, connectedTo, Backer Communication>
+<Funding Period Management, measures success, Press Outreach>
+<Goal Setting, connectedTo, Reward_Based Crowdfunding>
+<Intellectual Property Protection, builds communities, Campaign Creation>
+<Investor Relations, connectedTo, Financial Projection Analysis>
+<Investor Relations, connectedTo, Funding Period Management>
+<Investor Relations, connectedTo, Intellectual Property Protection>
+<Marketing Strategy, connectedTo, Platform Selection>
+<Platform Selection, ensures compliance, Reward Tier Design>
+<Press Outreach, connectedTo, Financial Projection Analysis>
+<Press Outreach, connectedTo, Intellectual Property Protection>
+<Reward Tier Design, connectedTo, Financial Projection Analysis>
+<Reward_Based Crowdfunding, connectedTo, Debt Crowdfunding>
+<Reward_Based Crowdfunding, connectedTo, Financial Projection Analysis>
+<Reward_Based Crowdfunding, connectedTo, Marketing Strategy>
+<Shareholder Management, calculates taxes, Financial Projection Analysis>
+<Shareholder Management, connectedTo, Goal Setting>
diff --git a/test/diagrams/scanned_easy/diagrams_202.txt b/test/diagrams/scanned_easy/diagrams_202.txt
new file mode 100644
index 0000000000000000000000000000000000000000..746bbed749f3f957f40b5d8810a4332dc7484326
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_202.txt
@@ -0,0 +1,22 @@
+<Agricultural IoT, designs UIs, Connected Vehicles>
+<Agricultural IoT, improves retail, Smart Home Devices>
+<Agricultural IoT, updates firmware, API Development for IoT>
+<Cloud Platform Integration, connectedTo, Connected Vehicles>
+<Connected Vehicles, connectedTo, Over_the_Air Updates>
+<Connectivity Management, connectedTo, API Development for IoT>
+<Connectivity Management, connectedTo, Agricultural IoT>
+<Connectivity Management, connectedTo, Smart Manufacturing>
+<Connectivity Management, connectedTo, User Interface for IoT Apps>
+<Connectivity Management, streams data, Connected Vehicles>
+<Data Analysis in Cloud, connectedTo, Over_the_Air Updates>
+<Data Privacy in IoT, analyzes insights, Data Analysis in Cloud>
+<Environmental Monitoring, connectedTo, Cloud Platform Integration>
+<Environmental Monitoring, monitors healthcare, Data Privacy in IoT>
+<Over_the_Air Updates, connectedTo, API Development for IoT>
+<Smart Home Devices, connectedTo, API Development for IoT>
+<Smart Home Devices, connectedTo, Over_the_Air Updates>
+<Smart Home Devices, connectedTo, Smart Manufacturing>
+<Smart Manufacturing, connectedTo, API Development for IoT>
+<Smart Manufacturing, connectedTo, Connected Vehicles>
+<Smart Manufacturing, connectedTo, Environmental Monitoring>
+<User Interface for IoT Apps, connectedTo, Agricultural IoT>
diff --git a/test/diagrams/scanned_easy/diagrams_203.txt b/test/diagrams/scanned_easy/diagrams_203.txt
new file mode 100644
index 0000000000000000000000000000000000000000..9f6e3494499af168df02836f05470b67248fdfde
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_203.txt
@@ -0,0 +1,14 @@
+<Compliance with IoT Regulations, manages power, Security Implementation>
+<Connected Vehicles, connectedTo, Compliance with IoT Regulations>
+<Connected Vehicles, connectedTo, Device Management>
+<Connected Vehicles, integrates AI, Transportation IoT>
+<Device Management, automates homes, User Interface for IoT Apps>
+<Device Management, connectedTo, AI at the Edge>
+<Device Management, connectedTo, Energy Management Systems>
+<Energy Management Systems, connectedTo, Transportation IoT>
+<Industrial IoT, connectedTo, Connected Vehicles>
+<Industrial IoT, performs OTAs, Transportation IoT>
+<Security Implementation, connectedTo, Sensor Integration>
+<Sensor Integration, develops solutions, AI at the Edge>
+<Transportation IoT, connectedTo, Sensor Integration>
+<User Interface for IoT Apps, connectedTo, Energy Management Systems>
diff --git a/test/diagrams/scanned_easy/diagrams_204.dot b/test/diagrams/scanned_easy/diagrams_204.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5c687648718ca0979262d140ee8854081d17b97d
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_204.dot
@@ -0,0 +1,52 @@
+digraph {
+	rankdir=RL
+	N0 [label="IoT Device Certification" color="#A1887F" fillcolor="#EFEBE9" shape=multipledocuments style=filled]
+	N1 [label="AI at the Edge" color="#7986CB" fillcolor="#E8EAF6" shape=vnode_shape style=filled]
+	N2 [label="Supply Chain Optimization" color="#7986CB" fillcolor="#E8EAF6" shape=action style=filled]
+	N3 [label="Power Management for Devices" color="#7986CB" fillcolor="#E8EAF6" shape=diamond style=filled]
+	N4 [label="Retail IoT" color="#7986CB" fillcolor="#E8EAF6" shape=database style=filled]
+	N5 [label="Energy Management Systems" color="#A1887F" fillcolor="#EFEBE9" shape=database style=filled]
+	N6 [label="Smart City Sensors" color="#A1887F" fillcolor="#EFEBE9" shape=document style=filled]
+	N7 [label="Healthcare IoT Devices" color="#A1887F" fillcolor="#EFEBE9" shape=document style=filled]
+	N8 [label="Transportation IoT" color="#795548" fillcolor="#D7CCC8" shape=multipledocuments style=filled]
+	N9 [label="Sensor Integration" color="#7986CB" fillcolor="#E8EAF6" shape=vnode_shape style=filled]
+	N10 [label="Cloud Platform Integration" color="#795548" fillcolor="#D7CCC8" shape=preparation style=filled]
+	N11 [label="Data Privacy in IoT" color="#A1887F" fillcolor="#EFEBE9" shape=action style=filled]
+	S0 [label="" color="#795548" fillcolor="#D7CCC8" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#795548" fillcolor="#D7CCC8" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#A1887F" fillcolor="#EFEBE9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Industrial IoT {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Industrial IoT"
+		nest0_0 [label="Smart Home Devices" color="#795548" fillcolor="#D7CCC8" shape=document style=filled]
+		nest0_1 [label="Data Collection" color="#7986CB" fillcolor="#E8EAF6" shape=action style=filled]
+		nest0_2 [label="API Development for IoT" color="#795548" fillcolor="#D7CCC8" shape=inputoutput style=filled]
+		nest0_3 [label="Data Analysis in Cloud" color="#7986CB" fillcolor="#E8EAF6" shape=preparation style=filled]
+	}
+	N0 -> N1 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="controls devices" dir=forward]
+	N5 -> N6 [color="#795548" penwidth=1.5 style=solid label="optimizes transportation" dir=forward]
+	N6 -> N7 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#795548" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#A1887F" penwidth=1.5 style=dashed label="uses protocols" dir=forward]
+	N1 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_3 -> N5 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N1 -> S0 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	S0 -> N9 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	S0 -> N7 [color="#795548" penwidth=1.5 style=dashed dir=forward]
+	N4 -> M0 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M0 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N11 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N0 -> M1 [color="#795548" penwidth=1.5 style=solid label="monitors healthcare" dir=forward]
+	N1 -> M1 [color="#795548" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N4 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_204.txt b/test/diagrams/scanned_easy/diagrams_204.txt
new file mode 100644
index 0000000000000000000000000000000000000000..587bb057ea0b8073bc5aa3111c68a7978c909dcf
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_204.txt
@@ -0,0 +1,22 @@
+<AI at the Edge, connectedTo, Healthcare IoT Devices>
+<AI at the Edge, connectedTo, Retail IoT>
+<AI at the Edge, connectedTo, Sensor Integration>
+<AI at the Edge, connectedTo, Smart Home Devices>
+<AI at the Edge, connectedTo, Supply Chain Optimization>
+<API Development for IoT, uses protocols, Data Analysis in Cloud>
+<Cloud Platform Integration, connectedTo, Data Privacy in IoT>
+<Data Analysis in Cloud, connectedTo, Energy Management Systems>
+<Data Collection, connectedTo, API Development for IoT>
+<Energy Management Systems, optimizes transportation, Smart City Sensors>
+<Healthcare IoT Devices, connectedTo, Transportation IoT>
+<IoT Device Certification, connectedTo, AI at the Edge>
+<IoT Device Certification, monitors healthcare, Retail IoT>
+<Power Management for Devices, connectedTo, Retail IoT>
+<Retail IoT, connectedTo, Data Privacy in IoT>
+<Retail IoT, controls devices, Energy Management Systems>
+<Sensor Integration, connectedTo, Cloud Platform Integration>
+<Smart City Sensors, connectedTo, Healthcare IoT Devices>
+<Smart Home Devices, connectedTo, Data Collection>
+<Supply Chain Optimization, connectedTo, Data Privacy in IoT>
+<Supply Chain Optimization, connectedTo, Power Management for Devices>
+<Transportation IoT, connectedTo, Sensor Integration>
diff --git a/test/diagrams/scanned_easy/diagrams_205.txt b/test/diagrams/scanned_easy/diagrams_205.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fe1ddb52aabfa5740151d83e4be96d7c93f13434
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_205.txt
@@ -0,0 +1,13 @@
+<Connectivity to Cloud, connectedTo, Telecom Edge Computing>
+<Containerization at Edge, connectedTo, Connectivity to Cloud>
+<Data Synchronization between Edge and Cloud, connectedTo, Event_Driven Architectures at Edge>
+<Data Synchronization between Edge and Cloud, manages fleet, Resource Management at Edge>
+<Distributed Data Storage, connectedTo, Local AI or ML Inference>
+<Edge Network Topology Design, connectedTo, Edge Data Processing>
+<Edge Network Topology Design, connectedTo, Local AI or ML Inference>
+<Edge Network Topology Design, provisions resources, Distributed Data Storage>
+<Event_Driven Architectures at Edge, connectedTo, Resource Management at Edge>
+<Event_Driven Architectures at Edge, implements virtual machines, Edge Data Processing>
+<Local AI or ML Inference, connectedTo, Data Synchronization between Edge and Cloud>
+<Resource Management at Edge, transfers data efficiently, Containerization at Edge>
+<Telecom Edge Computing, connectedTo, Event_Driven Architectures at Edge>
diff --git a/test/diagrams/scanned_easy/diagrams_206.dot b/test/diagrams/scanned_easy/diagrams_206.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d3016c880ff089cfe1fd47d30e0f96ae582c8b32
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_206.dot
@@ -0,0 +1,37 @@
+digraph {
+	rankdir=RL
+	N0 [label="Edge Data Processing" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N1 [label="Edge Device Analytics" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+	N2 [label="Industrial Edge Computing" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
+	N3 [label="Fleet Management for Edge Devices" color="#94C0C0" fillcolor="#CADEDE" shape=ellipse style=filled]
+	N4 [label="Microservices on Edge Devices" color="#A2D0FF" fillcolor="#E8F0FF" shape=vnode_shape style=filled]
+	N5 [label="Edge AI Model Deployment" color="#FFE69C" fillcolor="#FFF9D4" shape=document style=filled]
+	N6 [label="Edge Device Provisioning" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	N7 [label="Data Synchronization between Edge and Cloud" color="#FFE69C" fillcolor="#FFF9D4" shape=preparation style=filled]
+	S0 [label="" color="#94C0C0" fillcolor="#CADEDE" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#94C0C0" fillcolor="#CADEDE" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Edge Computing Hardware Selection {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Edge Computing Hardware Selection"
+		nest0_0 [label="Edge Device Deployment" color="#94C0C0" fillcolor="#CADEDE" shape=action style=filled]
+		nest0_1 [label="Power Consumption Optimization" color="#FFE69C" fillcolor="#FFF9D4" shape=inputoutput style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#94C0C0" penwidth=1.5 style=dashed label="optimizes bandwidth" dir=forward]
+	N2 -> N3 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#94C0C0" penwidth=1.5 style=solid label="transfers data efficiently" dir=forward]
+	nest0_0 -> nest0_1 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+	N3 -> nest0_0 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N2 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+	N4 -> S0 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N6 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	S0 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N0 -> S1 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	S1 -> N7 [color="#000000" penwidth=1.5 style=dashed label="provides low latency" dir=forward]
+	S1 -> N2 [color="#A2D0FF" penwidth=1.5 style=solid label="powers healthcare devices" dir=forward]
+	S1 -> N3 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_206.txt b/test/diagrams/scanned_easy/diagrams_206.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b5dfde96ff767a958d293a91510b92bd4a8f08b0
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_206.txt
@@ -0,0 +1,15 @@
+<Edge AI Model Deployment, connectedTo, Edge Device Provisioning>
+<Edge Data Processing, connectedTo, Edge Device Analytics>
+<Edge Data Processing, connectedTo, Fleet Management for Edge Devices>
+<Edge Data Processing, powers healthcare devices, Industrial Edge Computing>
+<Edge Data Processing, provides low latency, Data Synchronization between Edge and Cloud>
+<Edge Device Analytics, optimizes bandwidth, Industrial Edge Computing>
+<Edge Device Deployment, connectedTo, Power Consumption Optimization>
+<Edge Device Provisioning, transfers data efficiently, Data Synchronization between Edge and Cloud>
+<Fleet Management for Edge Devices, connectedTo, Edge Device Deployment>
+<Fleet Management for Edge Devices, connectedTo, Microservices on Edge Devices>
+<Industrial Edge Computing, connectedTo, Fleet Management for Edge Devices>
+<Microservices on Edge Devices, connectedTo, Data Synchronization between Edge and Cloud>
+<Microservices on Edge Devices, connectedTo, Edge AI Model Deployment>
+<Microservices on Edge Devices, connectedTo, Edge Device Provisioning>
+<Power Consumption Optimization, connectedTo, Industrial Edge Computing>
diff --git a/test/diagrams/scanned_easy/diagrams_208.dot b/test/diagrams/scanned_easy/diagrams_208.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d50b6c69b6618bf80e0f881396d32c1dde4921ce
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_208.dot
@@ -0,0 +1,45 @@
+digraph {
+	rankdir=RL
+	N0 [label="Cost Optimization in Cloud" color="#FFCC7A" fillcolor="#FFF6D9" shape=document style=filled]
+	N1 [label="Cloud Backup Solutions" color="#F7BEE0" fillcolor="#FAEBF3" shape=ellipse style=filled]
+	N2 [label="Multi_Cloud Management" color="#F7BEE0" fillcolor="#FAEBF3" shape=inputoutput style=filled]
+	N3 [label="CI or CD Pipelines in Cloud" color="#F7BEE0" fillcolor="#FAEBF3" shape=document style=filled]
+	N4 [label="Cloud Monitoring and Logging" color="#FFCC7A" fillcolor="#FFF6D9" shape=rect style=filled]
+	N5 [label="Load Balancing in Cloud" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+	N6 [label="Cloud Migration Strategy" color="#4DD0E1" fillcolor="#C9F0F0" shape=document style=filled]
+	N7 [label="Edge_to_Cloud Integration" color="#F7BEE0" fillcolor="#FAEBF3" shape=parallelogram style=filled]
+	N8 [label="Hybrid Cloud Deployment" color="#F7BEE0" fillcolor="#FAEBF3" shape=document style=filled]
+	N9 [label="Cloud Automation" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	N10 [label="Database as a Service" color="#4DD0E1" fillcolor="#C9F0F0" shape=database style=filled]
+	S0 [label="" color="#FFCC7A" fillcolor="#FFF6D9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Data Storage in Cloud {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Data Storage in Cloud"
+		nest0_0 [label="Public Cloud Management" color="#F7BEE0" fillcolor="#FAEBF3" shape=box style=filled]
+		nest0_1 [label="DevOps on Cloud" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+		nest0_2 [label="Cloud Marketplace Integration" color="#F7BEE0" fillcolor="#FAEBF3" shape=document style=filled]
+		nest0_3 [label="Machine Learning as a Service" color="#FFCC7A" fillcolor="#FFF6D9" shape=multipledocuments style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="ensures compliance" dir=forward]
+	N1 -> N2 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#4DD0E1" penwidth=1.5 style=solid label="configures firewalls" dir=forward]
+	N6 -> N7 [color="#F7BEE0" penwidth=1.5 style=solid label="orchestrates Kubernetes" dir=forward]
+	N7 -> N8 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#F7BEE0" penwidth=1.5 style=dashed label="tags resources" dir=forward]
+	nest0_0 -> nest0_1 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#4DD0E1" penwidth=1.5 style=dashed label="secures environments" dir=forward]
+	nest0_2 -> nest0_3 [color="#4DD0E1" penwidth=1.5 style=solid dir=forward]
+	N2 -> nest0_0 [color="#FFCC7A" penwidth=1.5 style=solid label="avoids lock_ins" dir=forward]
+	nest0_3 -> N6 [color="#4DD0E1" penwidth=1.5 style=dashed label="implements FinOps" dir=forward]
+	N1 -> S0 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	S0 -> N8 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	S0 -> N3 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+	S0 -> N9 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N5 [color="#4DD0E1" penwidth=1.5 style=dashed label="uses public clouds" dir=forward]
+	nest0_3 -> N5 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_208.txt b/test/diagrams/scanned_easy/diagrams_208.txt
new file mode 100644
index 0000000000000000000000000000000000000000..37268849aed6630d5661358da0848ca2e055eb23
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_208.txt
@@ -0,0 +1,20 @@
+<CI or CD Pipelines in Cloud, connectedTo, Cloud Monitoring and Logging>
+<Cloud Automation, tags resources, Database as a Service>
+<Cloud Backup Solutions, connectedTo, CI or CD Pipelines in Cloud>
+<Cloud Backup Solutions, connectedTo, Cloud Automation>
+<Cloud Backup Solutions, connectedTo, Hybrid Cloud Deployment>
+<Cloud Backup Solutions, connectedTo, Multi_Cloud Management>
+<Cloud Backup Solutions, uses public clouds, Load Balancing in Cloud>
+<Cloud Marketplace Integration, connectedTo, Machine Learning as a Service>
+<Cloud Migration Strategy, orchestrates Kubernetes, Edge_to_Cloud Integration>
+<Cloud Monitoring and Logging, connectedTo, Load Balancing in Cloud>
+<Cost Optimization in Cloud, ensures compliance, Cloud Backup Solutions>
+<DevOps on Cloud, secures environments, Cloud Marketplace Integration>
+<Edge_to_Cloud Integration, connectedTo, Hybrid Cloud Deployment>
+<Hybrid Cloud Deployment, connectedTo, Cloud Automation>
+<Load Balancing in Cloud, configures firewalls, Cloud Migration Strategy>
+<Machine Learning as a Service, connectedTo, Load Balancing in Cloud>
+<Machine Learning as a Service, implements FinOps, Cloud Migration Strategy>
+<Multi_Cloud Management, avoids lock_ins, Public Cloud Management>
+<Multi_Cloud Management, connectedTo, CI or CD Pipelines in Cloud>
+<Public Cloud Management, connectedTo, DevOps on Cloud>
diff --git a/test/diagrams/scanned_easy/diagrams_210.dot b/test/diagrams/scanned_easy/diagrams_210.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5cfb3d1ba3946e37b379d66bb8f23bcbe13efef7
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_210.dot
@@ -0,0 +1,36 @@
+digraph {
+	rankdir=BT
+	N0 [label="Serverless Computing" color="#00BCD4" fillcolor="#B2EBF2" shape=box style=filled]
+	N1 [label="DevOps on Cloud" color="#00BCD4" fillcolor="#B2EBF2" shape=vnode_shape style=filled]
+	N2 [label="Cloud FinOps" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N3 [label="Container Orchestration" color="#00BCD4" fillcolor="#B2EBF2" shape=document style=filled]
+	N4 [label="Data Storage in Cloud" color="#00BCD4" fillcolor="#B2EBF2" shape=vnode_shape style=filled]
+	N5 [label="Database as a Service" color="#F44336" fillcolor="#FFCDD2" shape=vnode_shape style=filled]
+	S0 [label="" color="#A2D0FF" fillcolor="#E8F0FF" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#F44336" fillcolor="#FFCDD2" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Infrastructure as a Service {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Infrastructure as a Service"
+		nest0_0 [label="Cloud Architecture Design" color="#A2D0FF" fillcolor="#E8F0FF" shape=rectangle style=filled]
+		nest0_1 [label="Cloud Vendor Lock_in Mitigation" color="#A2D0FF" fillcolor="#E8F0FF" shape=document style=filled]
+		nest0_2 [label="Big Data Services in Cloud" color="#A2D0FF" fillcolor="#E8F0FF" shape=rectangle style=filled]
+		nest0_3 [label="Compliance in Cloud" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="implements FinOps" dir=forward]
+	N1 -> N2 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=dashed label="automates CI or CD" dir=forward]
+	nest0_1 -> nest0_2 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> nest0_3 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N2 -> nest0_0 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	nest0_3 -> N3 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N0 -> S0 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N3 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	S0 -> N5 [color="#F44336" penwidth=1.5 style=dashed label="develops cloud_native apps" dir=forward]
+	N1 -> S1 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N5 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	S1 -> N3 [color="#F44336" penwidth=1.5 style=dashed label="migrates workloads" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_210.txt b/test/diagrams/scanned_easy/diagrams_210.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5f8b9e5971ed33b0b70d694bee412dd889d21950
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_210.txt
@@ -0,0 +1,14 @@
+<Big Data Services in Cloud, connectedTo, Compliance in Cloud>
+<Cloud Architecture Design, automates CI or CD, Cloud Vendor Lock_in Mitigation>
+<Cloud FinOps, connectedTo, Cloud Architecture Design>
+<Cloud FinOps, connectedTo, Container Orchestration>
+<Cloud Vendor Lock_in Mitigation, connectedTo, Big Data Services in Cloud>
+<Compliance in Cloud, connectedTo, Container Orchestration>
+<Container Orchestration, connectedTo, Data Storage in Cloud>
+<Data Storage in Cloud, connectedTo, Database as a Service>
+<DevOps on Cloud, connectedTo, Cloud FinOps>
+<DevOps on Cloud, connectedTo, Database as a Service>
+<DevOps on Cloud, migrates workloads, Container Orchestration>
+<Serverless Computing, connectedTo, Container Orchestration>
+<Serverless Computing, develops cloud_native apps, Database as a Service>
+<Serverless Computing, implements FinOps, DevOps on Cloud>
diff --git a/test/diagrams/scanned_easy/diagrams_211.txt b/test/diagrams/scanned_easy/diagrams_211.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8a737eeba05748d359dff5305bd926fa258aea66
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_211.txt
@@ -0,0 +1,20 @@
+<Automation Scripting, plans capacity, Capacity Planning>
+<Capacity Planning, connectedTo, Operating System Installation>
+<Database Administration, connectedTo, IT Asset Management>
+<Environmental Monitoring, connectedTo, Antivirus and Endpoint Protection>
+<Environmental Monitoring, connectedTo, Monitoring and Alerting>
+<Group Policy Management, optimizes environments, System Administration>
+<IT Asset Management, connectedTo, Mail Server Management>
+<Load Balancer Setup, connectedTo, Web Server Configuration>
+<Mail Server Management, configures firewalls, Troubleshooting and Support>
+<Mail Server Management, deploys antiviruses, Group Policy Management>
+<Mail Server Management, monitors performance, Antivirus and Endpoint Protection>
+<Monitoring and Alerting, connectedTo, Mail Server Management>
+<Monitoring and Alerting, connectedTo, System Administration>
+<Monitoring and Alerting, connectedTo, Troubleshooting and Support>
+<Operating System Installation, connectedTo, Load Balancer Setup>
+<System Administration, connectedTo, Antivirus and Endpoint Protection>
+<Troubleshooting and Support, integrates clouds, Group Policy Management>
+<Web Server Configuration, connectedTo, Database Administration>
+<Web Server Configuration, connectedTo, Environmental Monitoring>
+<Web Server Configuration, troubleshoots issues, Antivirus and Endpoint Protection>
diff --git a/test/diagrams/scanned_easy/diagrams_213.dot b/test/diagrams/scanned_easy/diagrams_213.dot
new file mode 100644
index 0000000000000000000000000000000000000000..04cf024a6d17e316111f32fdbe9b2b78ef7c6766
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_213.dot
@@ -0,0 +1,42 @@
+digraph {
+	rankdir=TB
+	N0 [label="Antivirus and Endpoint Protection" color="#FFE69C" fillcolor="#FFF9D4" shape=rectangle style=filled]
+	N1 [label="Access Control Systems" color="#FF8A65" fillcolor="#FBE9E7" shape=preparation style=filled]
+	N2 [label="User Account Management" color="#FF8A65" fillcolor="#FBE9E7" shape=rectangle style=filled]
+	N3 [label="Hardware Procurement" color="#FFE69C" fillcolor="#FFF9D4" shape=multipledocuments style=filled]
+	N4 [label="Automation Scripting" color="#FFE69C" fillcolor="#FFF9D4" shape=rectangle style=filled]
+	N5 [label="Virtualization" color="#FFE69C" fillcolor="#FFF9D4" shape=predefinedprocess style=filled]
+	N6 [label="Web Server Configuration" color="#AABEC6" fillcolor="#E0E6E9" shape=predefinedprocess style=filled]
+	N7 [label="Capacity Planning" color="#AABEC6" fillcolor="#E0E6E9" shape=action style=filled]
+	N8 [label="Virtual Desktop Infrastructure" color="#FF8A65" fillcolor="#FBE9E7" shape=document style=filled]
+	S1 [label="" color="#AABEC6" fillcolor="#E0E6E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#FFE69C" fillcolor="#FFF9D4" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_VPN Configuration {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="VPN Configuration"
+		nest0_0 [label="Proxy Server Configuration" color="#FF8A65" fillcolor="#FBE9E7" shape=inputoutput style=filled]
+		nest0_1 [label="Backup and Recovery Systems" color="#FFE69C" fillcolor="#FFF9D4" shape=database style=filled]
+		nest0_2 [label="Group Policy Management" color="#FF8A65" fillcolor="#FBE9E7" shape=rect style=filled]
+		nest0_3 [label="Mail Server Management" color="#FFE69C" fillcolor="#FFF9D4" shape=hexagon style=filled]
+	}
+	N0 -> N1 [color="#FF8A65" penwidth=1.5 style=dashed label="manages groups" dir=forward]
+	N1 -> N2 [color="#FFE69C" penwidth=1.5 style=solid label="plans capacity" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#AABEC6" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FF8A65" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#AABEC6" penwidth=1.5 style=dashed label="installs racks" dir=forward]
+	nest0_0 -> nest0_1 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> nest0_3 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	N7 -> nest0_0 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	nest0_3 -> N4 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	N2 -> S1 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	S1 -> N7 [color="#FFE69C" penwidth=1.5 style=solid label="sets up VPNs" dir=forward]
+	S1 -> N6 [color="#FF8A65" penwidth=1.5 style=dashed label="configures firewalls" dir=forward]
+	N0 -> M1 [color="#FF8A65" penwidth=1.5 style=solid dir=forward]
+	N1 -> M1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_213.txt b/test/diagrams/scanned_easy/diagrams_213.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f9cf61d87ddb2c65be10c5d4a5ef360e3581bce8
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_213.txt
@@ -0,0 +1,17 @@
+<Access Control Systems, connectedTo, Hardware Procurement>
+<Access Control Systems, plans capacity, User Account Management>
+<Antivirus and Endpoint Protection, connectedTo, Hardware Procurement>
+<Antivirus and Endpoint Protection, manages groups, Access Control Systems>
+<Automation Scripting, connectedTo, Virtualization>
+<Backup and Recovery Systems, connectedTo, Group Policy Management>
+<Capacity Planning, connectedTo, Proxy Server Configuration>
+<Capacity Planning, installs racks, Virtual Desktop Infrastructure>
+<Group Policy Management, connectedTo, Mail Server Management>
+<Hardware Procurement, connectedTo, Automation Scripting>
+<Mail Server Management, connectedTo, Automation Scripting>
+<Proxy Server Configuration, connectedTo, Backup and Recovery Systems>
+<User Account Management, configures firewalls, Web Server Configuration>
+<User Account Management, connectedTo, Hardware Procurement>
+<User Account Management, sets up VPNs, Capacity Planning>
+<Virtualization, connectedTo, Web Server Configuration>
+<Web Server Configuration, connectedTo, Capacity Planning>
diff --git a/test/diagrams/scanned_easy/diagrams_215.dot b/test/diagrams/scanned_easy/diagrams_215.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9fa33f45db8a91800f71b0c11b124e4fd816b74a
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_215.dot
@@ -0,0 +1,44 @@
+digraph {
+	rankdir=RL
+	N0 [label="Version Control" color="#388E3C" fillcolor="#F1F8E9" shape=diamond style=filled]
+	N1 [label="Environment Management" color="#388E3C" fillcolor="#F1F8E9" shape=vnode_shape style=filled]
+	N2 [label="Cloud Native Development" color="#7986CB" fillcolor="#E8EAF6" shape=parallelogram style=filled]
+	N3 [label="Immutable Infrastructure" color="#81C784" fillcolor="#F1F8E9" shape=predefinedprocess style=filled]
+	N4 [label="Feedback Loops" color="#81C784" fillcolor="#F1F8E9" shape=hexagon style=filled]
+	N5 [label="Release Management" color="#388E3C" fillcolor="#F1F8E9" shape=rect style=filled]
+	N6 [label="Canary Releases" color="#81C784" fillcolor="#F1F8E9" shape=rectangle style=filled]
+	N7 [label="Site Reliability Engineering Principles" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N8 [label="Monitoring and Logging" color="#388E3C" fillcolor="#F1F8E9" shape=preparation style=filled]
+	N9 [label="Pipeline Automation" color="#81C784" fillcolor="#F1F8E9" shape=document style=filled]
+	N10 [label="Automated Deployment" color="#388E3C" fillcolor="#F1F8E9" shape=parallelogram style=filled]
+	N11 [label="Rollback Strategies" color="#7986CB" fillcolor="#E8EAF6" shape=multipledocuments style=filled]
+	S0 [label="" color="#81C784" fillcolor="#F1F8E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Serverless Deployment {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Serverless Deployment"
+		nest0_0 [label="Secrets Management" color="#388E3C" fillcolor="#F1F8E9" shape=diamond style=filled]
+		nest0_1 [label="ChatOps" color="#7986CB" fillcolor="#E8EAF6" shape=inputoutput style=filled]
+		nest0_2 [label="Observability Implementation" color="#81C784" fillcolor="#F1F8E9" shape=preparation style=filled]
+	}
+	N0 -> N1 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="automates operations" dir=forward]
+	N2 -> N3 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="orchestrates containers" dir=forward]
+	N8 -> N9 [color="#388E3C" penwidth=1.5 style=solid label="implements CI" dir=forward]
+	N9 -> N10 [color="#81C784" penwidth=1.5 style=dashed label="manages environments" dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#81C784" penwidth=1.5 style=dashed label="deploys releases" dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N9 [color="#000000" penwidth=1.5 style=dashed label="conducts post_mortems" dir=forward]
+	N7 -> S0 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	S0 -> N11 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N9 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N6 -> N11 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N10 -> N8 [color="#81C784" penwidth=1.5 style=dashed label="gathers feedback" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_215.txt b/test/diagrams/scanned_easy/diagrams_215.txt
new file mode 100644
index 0000000000000000000000000000000000000000..17a1faf8ea9771d3c267f5a6161ceb38be7ad380
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_215.txt
@@ -0,0 +1,19 @@
+<Automated Deployment, connectedTo, Rollback Strategies>
+<Automated Deployment, gathers feedback, Monitoring and Logging>
+<Canary Releases, connectedTo, Rollback Strategies>
+<Canary Releases, connectedTo, Secrets Management>
+<Canary Releases, connectedTo, Site Reliability Engineering Principles>
+<ChatOps, connectedTo, Observability Implementation>
+<Cloud Native Development, connectedTo, Immutable Infrastructure>
+<Environment Management, automates operations, Cloud Native Development>
+<Feedback Loops, connectedTo, Release Management>
+<Immutable Infrastructure, connectedTo, Feedback Loops>
+<Monitoring and Logging, implements CI, Pipeline Automation>
+<Observability Implementation, conducts post_mortems, Pipeline Automation>
+<Pipeline Automation, manages environments, Automated Deployment>
+<Release Management, connectedTo, Canary Releases>
+<Secrets Management, deploys releases, ChatOps>
+<Site Reliability Engineering Principles, connectedTo, Pipeline Automation>
+<Site Reliability Engineering Principles, connectedTo, Rollback Strategies>
+<Site Reliability Engineering Principles, orchestrates containers, Monitoring and Logging>
+<Version Control, connectedTo, Environment Management>
diff --git a/test/diagrams/scanned_easy/diagrams_216.dot b/test/diagrams/scanned_easy/diagrams_216.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b56181014e474b4794183e7dec8e1a7807950601
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_216.dot
@@ -0,0 +1,50 @@
+digraph {
+	rankdir=RL
+	N0 [label="Observability Implementation" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+	N1 [label="Containerization" color="#FFA726" fillcolor="#FFF3E0" shape=multipledocuments style=filled]
+	N2 [label="Monitoring and Logging" color="#673AB7" fillcolor="#D1C4E9" shape=hexagon style=filled]
+	N3 [label="Post_Mortem Analysis" color="#673AB7" fillcolor="#D1C4E9" shape=action style=filled]
+	N4 [label="Version Control" color="#FFE69C" fillcolor="#FFF9D4" shape=preparation style=filled]
+	N5 [label="Automated Deployment" color="#673AB7" fillcolor="#D1C4E9" shape=rect style=filled]
+	N6 [label="Site Reliability Engineering Principles" color="#673AB7" fillcolor="#D1C4E9" shape=multipledocuments style=filled]
+	N7 [label="Configuration Management" color="#FFE69C" fillcolor="#FFF9D4" shape=vnode_shape style=filled]
+	N8 [label="Pipeline Automation" color="#FFA726" fillcolor="#FFF3E0" shape=ellipse style=filled]
+	N9 [label="Static Code Analysis" color="#FFA726" fillcolor="#FFF3E0" shape=database style=filled]
+	N10 [label="Serverless Deployment" color="#FFA726" fillcolor="#FFF3E0" shape=rectangle style=filled]
+	N11 [label="Feature Flags" color="#FFA726" fillcolor="#FFF3E0" shape=document style=filled]
+	S0 [label="" color="#FFA726" fillcolor="#FFF3E0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#FFA726" fillcolor="#FFF3E0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#FFA726" fillcolor="#FFF3E0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Automated Testing {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Automated Testing"
+		nest0_0 [label="Collaboration Tools" color="#FFE69C" fillcolor="#FFF9D4" shape=inputoutput style=filled]
+		nest0_1 [label="Rollback Strategies" color="#673AB7" fillcolor="#D1C4E9" shape=hexagon style=filled]
+		nest0_2 [label="Blue_Green Deployments" color="#673AB7" fillcolor="#D1C4E9" shape=box style=filled]
+	}
+	N0 -> N1 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#673AB7" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFE69C" penwidth=1.5 style=solid label="automates operations" dir=forward]
+	N5 -> N6 [color="#FFA726" penwidth=1.5 style=dashed label="conducts post_mortems" dir=forward]
+	N6 -> N7 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#673AB7" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#FFA726" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#FFA726" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#673AB7" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#FFA726" penwidth=1.5 style=solid label="manages microservices" dir=forward]
+	N4 -> nest0_0 [color="#673AB7" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> N7 [color="#673AB7" penwidth=1.5 style=dashed dir=forward]
+	N2 -> S0 [color="#673AB7" penwidth=1.5 style=solid dir=forward]
+	S0 -> N9 [color="#FFA726" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N7 [color="#FFE69C" penwidth=1.5 style=solid label="manages feature flags" dir=forward]
+	N2 -> S1 [color="#673AB7" penwidth=1.5 style=solid dir=forward]
+	S1 -> N7 [color="#673AB7" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N10 [color="#673AB7" penwidth=1.5 style=dashed dir=forward]
+	N5 -> M1 [color="#FFA726" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M1 [color="#673AB7" penwidth=1.5 style=solid label="sends alerts" dir=forward]
+	M1 -> N10 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_216.txt b/test/diagrams/scanned_easy/diagrams_216.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cc479f35dab67e8f1d308b69689d9e0ae3eff592
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_216.txt
@@ -0,0 +1,21 @@
+<Automated Deployment, conducts post_mortems, Site Reliability Engineering Principles>
+<Automated Deployment, connectedTo, Serverless Deployment>
+<Blue_Green Deployments, connectedTo, Configuration Management>
+<Collaboration Tools, connectedTo, Rollback Strategies>
+<Configuration Management, connectedTo, Pipeline Automation>
+<Containerization, connectedTo, Monitoring and Logging>
+<Monitoring and Logging, connectedTo, Configuration Management>
+<Monitoring and Logging, connectedTo, Post_Mortem Analysis>
+<Monitoring and Logging, connectedTo, Serverless Deployment>
+<Monitoring and Logging, connectedTo, Static Code Analysis>
+<Monitoring and Logging, manages feature flags, Configuration Management>
+<Observability Implementation, connectedTo, Containerization>
+<Pipeline Automation, connectedTo, Static Code Analysis>
+<Post_Mortem Analysis, connectedTo, Version Control>
+<Post_Mortem Analysis, sends alerts, Serverless Deployment>
+<Rollback Strategies, manages microservices, Blue_Green Deployments>
+<Serverless Deployment, connectedTo, Feature Flags>
+<Site Reliability Engineering Principles, connectedTo, Configuration Management>
+<Static Code Analysis, connectedTo, Serverless Deployment>
+<Version Control, automates operations, Automated Deployment>
+<Version Control, connectedTo, Collaboration Tools>
diff --git a/test/diagrams/scanned_easy/diagrams_217.txt b/test/diagrams/scanned_easy/diagrams_217.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e30ce1f9cb0632341f192e487a35592599b66468
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_217.txt
@@ -0,0 +1,21 @@
+<Agile Methodologies, connectedTo, Game Development>
+<Agile Methodologies, manages technical debt, Continuous Integration>
+<Algorithm Design, connectedTo, Compiler Design>
+<Algorithm Design, connectedTo, Game Development>
+<Algorithm Design, manages databases, Continuous Integration>
+<Algorithm Design, manages versions, Agile Methodologies>
+<Compiler Design, connectedTo, Game Development>
+<Compiler Design, develops cloud_native apps, User Interface Design>
+<Containerization, architects systems, Testing Frameworks>
+<Containerization, partOf, Containerization>
+<Continuous Integration, connectedTo, Compiler Design>
+<Continuous Integration, connectedTo, Game Development>
+<Continuous Integration, connectedTo, Mobile Application Development>
+<Continuous Integration, performs refactoring, Game Development>
+<Embedded Systems Development, connectedTo, Containerization>
+<Embedded Systems Development, partOf, Embedded Systems Development>
+<Game Development, connectedTo, Mobile Application Development>
+<Testing Frameworks, partOf, Testing Frameworks>
+<Testing Frameworks, writes unit tests, Agile Methodologies>
+<User Interface Design, connectedTo, Embedded Systems Development>
+<User Interface Design, partOf, User Interface Design>
diff --git a/test/diagrams/scanned_easy/diagrams_218.dot b/test/diagrams/scanned_easy/diagrams_218.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a6381f926b74df01452161f7895f77d92fb4ee05
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_218.dot
@@ -0,0 +1,46 @@
+digraph {
+	rankdir=RL
+	N0 [label="Compiler Design" color="#7E57C2" fillcolor="#EDE7F6" shape=hexagon style=filled]
+	N1 [label="Continuous Delivery" color="#4285F4" fillcolor="#D0E0F8" shape=document style=filled]
+	N2 [label="Database Design" color="#CB9BE1" fillcolor="#F2E6F5" shape=rect style=filled]
+	N3 [label="User Interface Design" color="#4285F4" fillcolor="#D0E0F8" shape=rectangle style=filled]
+	N4 [label="Frontend Development" color="#7E57C2" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N5 [label="System Design" color="#4285F4" fillcolor="#D0E0F8" shape=multipledocuments style=filled]
+	N6 [label="Technical Debt Management" color="#CB9BE1" fillcolor="#F2E6F5" shape=vnode_shape style=filled]
+	S0 [label="" color="#CB9BE1" fillcolor="#F2E6F5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#7E57C2" fillcolor="#EDE7F6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#CB9BE1" fillcolor="#F2E6F5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#CB9BE1" fillcolor="#F2E6F5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Integration Testing {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Integration Testing"
+		nest0_0 [label="Coding" color="#7E57C2" fillcolor="#EDE7F6" shape=multipledocuments style=filled]
+		nest0_1 [label="Security Hardening" color="#CB9BE1" fillcolor="#F2E6F5" shape=predefinedprocess style=filled]
+		nest0_2 [label="Game Development" color="#7E57C2" fillcolor="#EDE7F6" shape=multipledocuments style=filled]
+		nest0_3 [label="Web Application Development" color="#7E57C2" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	}
+	N0 -> N1 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="manages technical debt" dir=forward]
+	N2 -> N3 [color="#7E57C2" penwidth=1.5 style=solid label="designs games" dir=forward]
+	N3 -> N4 [color="#4285F4" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> nest0_0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N4 [color="#4285F4" penwidth=1.5 style=dashed label="writes unit tests" dir=forward]
+	N3 -> S0 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N6 [color="#4285F4" penwidth=1.5 style=dashed label="uses frameworks" dir=forward]
+	S0 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> S1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N4 [color="#000000" penwidth=1.5 style=solid label="architects systems" dir=forward]
+	S1 -> N3 [color="#4285F4" penwidth=1.5 style=solid dir=forward]
+	N2 -> M0 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	N3 -> M0 [color="#7E57C2" penwidth=1.5 style=dashed label="uses containers" dir=forward]
+	M0 -> N5 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M1 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	N2 -> M1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N5 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_218.txt b/test/diagrams/scanned_easy/diagrams_218.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4dfedece12b9b2058819e3a1b427b084c214b559
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_218.txt
@@ -0,0 +1,18 @@
+<Coding, connectedTo, Security Hardening>
+<Compiler Design, connectedTo, Continuous Delivery>
+<Compiler Design, connectedTo, System Design>
+<Continuous Delivery, architects systems, Frontend Development>
+<Continuous Delivery, connectedTo, User Interface Design>
+<Continuous Delivery, manages technical debt, Database Design>
+<Database Design, connectedTo, System Design>
+<Database Design, designs games, User Interface Design>
+<Frontend Development, connectedTo, Coding>
+<Frontend Development, connectedTo, System Design>
+<Game Development, connectedTo, Web Application Development>
+<Security Hardening, connectedTo, Game Development>
+<System Design, connectedTo, Technical Debt Management>
+<User Interface Design, connectedTo, Frontend Development>
+<User Interface Design, connectedTo, System Design>
+<User Interface Design, uses containers, System Design>
+<User Interface Design, uses frameworks, Technical Debt Management>
+<Web Application Development, writes unit tests, Frontend Development>
diff --git a/test/diagrams/scanned_easy/diagrams_219.dot b/test/diagrams/scanned_easy/diagrams_219.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d6893a188ba9f545127bb43d831e707c668d84fd
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_219.dot
@@ -0,0 +1,41 @@
+digraph {
+	rankdir=BT
+	N0 [label="Integration Testing" color="#61CAC3" fillcolor="#C2E8E6" shape=inputoutput style=filled]
+	N1 [label="Refactoring" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	N2 [label="Database Design" color="#FFCC7A" fillcolor="#FFF6D9" shape=rect style=filled]
+	N3 [label="User Interface Design" color="#61CAC3" fillcolor="#C2E8E6" shape=multipledocuments style=filled]
+	N4 [label="Technical Debt Management" color="#DCE775" fillcolor="#FCFCE7" shape=multipledocuments style=filled]
+	N5 [label="Desktop Application Development" color="#FFCC7A" fillcolor="#FFF6D9" shape=multipledocuments style=filled]
+	N6 [label="Continuous Delivery" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	N7 [label="Game Development" color="#61CAC3" fillcolor="#C2E8E6" shape=preparation style=filled]
+	N8 [label="Containerization" color="#FFCC7A" fillcolor="#FFF6D9" shape=predefinedprocess style=filled]
+	N9 [label="Continuous Integration" color="#61CAC3" fillcolor="#C2E8E6" shape=inputoutput style=filled]
+	N10 [label="Scalability Design" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	N11 [label="Requirements Gathering" color="#FFCC7A" fillcolor="#FFF6D9" shape=parallelogram style=filled]
+	M0 [label="" color="#DCE775" fillcolor="#FCFCE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Frontend Development {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Frontend Development"
+		nest0_0 [label="Version Control" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+		nest0_1 [label="User Experience Design" color="#FFCC7A" fillcolor="#FFF6D9" shape=rect style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="develops web apps" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#DCE775" penwidth=1.5 style=dashed label="develops cloud_native apps" dir=forward]
+	N6 -> N7 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="designs algorithms" dir=forward]
+	N8 -> N9 [color="#61CAC3" penwidth=1.5 style=solid label="develops frontends" dir=forward]
+	N9 -> N10 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#DCE775" penwidth=1.5 style=dashed label="gathers requirements" dir=forward]
+	N9 -> nest0_0 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N3 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M0 [color="#DCE775" penwidth=1.5 style=solid label="interacts with OSs" dir=forward]
+	N8 -> M0 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N11 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N2 -> N0 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_22.txt b/test/diagrams/scanned_easy/diagrams_22.txt
new file mode 100644
index 0000000000000000000000000000000000000000..60a58dca423a58867030a0221b0a2ccb03bdccfc
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_22.txt
@@ -0,0 +1,8 @@
+<Backup and Recovery, connectedTo, Intrusion Prevention>
+<Digital Forensics, connectedTo, Insider Threat Detection>
+<Disaster Recovery Planning, automates, Threat Intelligence Gathering>
+<Insider Threat Detection, filters, Security Awareness Training>
+<Intrusion Prevention, governs, Penetration Testing>
+<Penetration Testing, encrypts, Disaster Recovery Planning>
+<Penetration Testing, protects, Insider Threat Detection>
+<Threat Intelligence Gathering, connectedTo, Digital Forensics>
diff --git a/test/diagrams/scanned_easy/diagrams_221.txt b/test/diagrams/scanned_easy/diagrams_221.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1a61c20c2d0426339e37d4112a48dc422e318132
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_221.txt
@@ -0,0 +1,17 @@
+<ASIC Design, connectedTo, Documentation>
+<ASIC Design, connectedTo, Quality Control>
+<ASIC Design, oversees manufacturing, Signal Integrity Analysis>
+<Environmental Testing, analyzes thermals, ASIC Design>
+<Environmental Testing, connectedTo, Thermal Management>
+<Environmental Testing, develops RF systems, ASIC Design>
+<High_Speed Digital Design, connectedTo, Material Selection>
+<Low_Power Design, connectedTo, Test Fixture Design>
+<Material Selection, connectedTo, Documentation>
+<Material Selection, manages supply chains, Low_Power Design>
+<Quality Control, analyzes failures, Signal Integrity Analysis>
+<Regulatory Compliance, connectedTo, ASIC Design>
+<Regulatory Compliance, supervises assembly, Environmental Testing>
+<Regulatory Compliance, tests environmental resilience, ASIC Design>
+<Signal Integrity Analysis, connectedTo, High_Speed Digital Design>
+<Test Fixture Design, connectedTo, ASIC Design>
+<Thermal Management, connectedTo, ASIC Design>
diff --git a/test/diagrams/scanned_easy/diagrams_222.txt b/test/diagrams/scanned_easy/diagrams_222.txt
new file mode 100644
index 0000000000000000000000000000000000000000..37a2504a02424fe25539fce596e1e6c47f7486a3
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_222.txt
@@ -0,0 +1,18 @@
+<ASIC Design, connectedTo, Testing and Validation>
+<Assembly Line Optimization, connectedTo, Mixed_Signal Design>
+<Cable Management, connectedTo, Low_Power Design>
+<Cable Management, connectedTo, PCB Layout>
+<Cable Management, controls actuators, Electromagnetic Compatibility Testing>
+<Component Selection, selects materials, Troubleshooting and Debugging>
+<Cost Optimization, connectedTo, Assembly Line Optimization>
+<Electromagnetic Compatibility Testing, connectedTo, Firmware Development>
+<Enclosure Design, connectedTo, ASIC Design>
+<Firmware Development, connectedTo, Cost Optimization>
+<Low_Power Design, connectedTo, Assembly Line Optimization>
+<Low_Power Design, connectedTo, Component Selection>
+<Low_Power Design, connectedTo, Troubleshooting and Debugging>
+<Mixed_Signal Design, connectedTo, Troubleshooting and Debugging>
+<PCB Layout, designs optical systems, Low_Power Design>
+<Testing and Validation, connectedTo, Cable Management>
+<Testing and Validation, designs mechanicals, PCB Layout>
+<Troubleshooting and Debugging, connectedTo, Component Selection>
diff --git a/test/diagrams/scanned_easy/diagrams_223.dot b/test/diagrams/scanned_easy/diagrams_223.dot
new file mode 100644
index 0000000000000000000000000000000000000000..872d5d27e55df1d88e41c296821c4eecf37dc3e9
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_223.dot
@@ -0,0 +1,50 @@
+digraph {
+	rankdir=TB
+	N0 [label="Cloud Backend for Mobile" color="#FFCC7A" fillcolor="#FFF6D9" shape=rect style=filled]
+	N1 [label="Analytics Tracking" color="#FFE69C" fillcolor="#FFF9D4" shape=vnode_shape style=filled]
+	N2 [label="Accessibility Features" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+	N3 [label="Push Notification Implementation" color="#FFCC7A" fillcolor="#FFF6D9" shape=parallelogram style=filled]
+	N4 [label="Cross_Platform Development" color="#00BCD4" fillcolor="#E0F7FA" shape=document style=filled]
+	N5 [label="Backend Integration" color="#FFE69C" fillcolor="#FFF9D4" shape=ellipse style=filled]
+	N6 [label="Chat Functionality" color="#FFCC7A" fillcolor="#FFF6D9" shape=rect style=filled]
+	N7 [label="User Onboarding Flows" color="#FFCC7A" fillcolor="#FFF6D9" shape=document style=filled]
+	N8 [label="Concept Development" color="#FFE69C" fillcolor="#FFF9D4" shape=diamond style=filled]
+	N9 [label="User Feedback Collection" color="#00BCD4" fillcolor="#E0F7FA" shape=diamond style=filled]
+	N10 [label="Biometric Authentication" color="#FFE69C" fillcolor="#FFF9D4" shape=hexagon style=filled]
+	N11 [label="User Experience Design" color="#00BCD4" fillcolor="#E0F7FA" shape=predefinedprocess style=filled]
+	N12 [label="Wearable Device Integration" color="#FFE69C" fillcolor="#FFF9D4" shape=preparation style=filled]
+	N13 [label="Deep Linking" color="#FFCC7A" fillcolor="#FFF6D9" shape=multipledocuments style=filled]
+	N14 [label="Camera Integration" color="#FFE69C" fillcolor="#FFF9D4" shape=action style=filled]
+	N15 [label="Microphone Integration" color="#FFCC7A" fillcolor="#FFF6D9" shape=vnode_shape style=filled]
+	S0 [label="" color="#FFE69C" fillcolor="#FFF9D4" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_App Store Optimization {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="App Store Optimization"
+		nest0_0 [label="Ad Monetization" color="#00BCD4" fillcolor="#E0F7FA" shape=vnode_shape style=filled]
+		nest0_1 [label="User Interface Design" color="#FFCC7A" fillcolor="#FFF6D9" shape=inputoutput style=filled]
+	}
+	N0 -> N1 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#00BCD4" penwidth=1.5 style=dashed label="develops native apps" dir=forward]
+	N5 -> N6 [color="#FFE69C" penwidth=1.5 style=dashed label="designs UIs" dir=forward]
+	N6 -> N7 [color="#FFE69C" penwidth=1.5 style=dashed label="optimizes ASO" dir=forward]
+	N7 -> N8 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#FFCC7A" penwidth=1.5 style=dashed label="implements biometrics" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid label="designs UXs" dir=forward]
+	N10 -> N11 [color="#FFE69C" penwidth=1.5 style=dashed label="designs onboarding" dir=forward]
+	N11 -> N12 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	N12 -> N13 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	N13 -> N14 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N14 -> N15 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	N4 -> nest0_0 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N10 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N0 -> S0 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N4 [color="#000000" penwidth=1.5 style=dashed label="integrates wearables" dir=forward]
+	S0 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N9 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N6 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_224.dot b/test/diagrams/scanned_easy/diagrams_224.dot
new file mode 100644
index 0000000000000000000000000000000000000000..743f6f0e036d5b55db7a2c6ca7f3eaecd26f01fd
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_224.dot
@@ -0,0 +1,46 @@
+digraph {
+	rankdir=RL
+	N0 [label="Accessibility Features" color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
+	N1 [label="Updates and Maintenance" color="#F44336" fillcolor="#FFCDD2" shape=document style=filled]
+	N2 [label="Ad Monetization" color="#4FC3F7" fillcolor="#E1F5FE" shape=parallelogram style=filled]
+	N3 [label="AR or VR Features in Mobile" color="#F44336" fillcolor="#FFCDD2" shape=parallelogram style=filled]
+	N4 [label="In_App Purchase Integration" color="#4FC3F7" fillcolor="#E1F5FE" shape=parallelogram style=filled]
+	N5 [label="Camera Integration" color="#FFF9AE" fillcolor="#FFFCE6" shape=action style=filled]
+	N6 [label="User Interface Design" color="#4FC3F7" fillcolor="#E1F5FE" shape=preparation style=filled]
+	N7 [label="Cross_Platform Development" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
+	N8 [label="Chat Functionality" color="#F44336" fillcolor="#FFCDD2" shape=document style=filled]
+	S0 [label="" color="#4FC3F7" fillcolor="#E1F5FE" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#F44336" fillcolor="#FFCDD2" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#4FC3F7" fillcolor="#E1F5FE" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_API Development {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="API Development"
+		nest0_0 [label="Testing and Debugging" color="#4FC3F7" fillcolor="#E1F5FE" shape=box style=filled]
+		nest0_1 [label="Analytics Tracking" color="#F44336" fillcolor="#FFCDD2" shape=hexagon style=filled]
+		nest0_2 [label="App Store Optimization" color="#F44336" fillcolor="#FFCDD2" shape=vnode_shape style=filled]
+		nest0_3 [label="Push Notification Implementation" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	}
+	N0 -> N1 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#4FC3F7" penwidth=1.5 style=solid label="designs widgets" dir=forward]
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+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FFF9AE" penwidth=1.5 style=dashed label="enables offline access" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FFF9AE" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> nest0_3 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+	N3 -> nest0_0 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> S0 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	S0 -> N4 [color="#4FC3F7" penwidth=1.5 style=solid label="implements deep links" dir=forward]
+	S0 -> N5 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+	N3 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M0 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	M0 -> N7 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N1 -> M1 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+	N0 -> M1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	M1 -> N5 [color="#F44336" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_224.txt b/test/diagrams/scanned_easy/diagrams_224.txt
new file mode 100644
index 0000000000000000000000000000000000000000..93a9dfb5d88935c2f522a59d6d37c9d4f03da4e6
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_224.txt
@@ -0,0 +1,19 @@
+<AR or VR Features in Mobile, connectedTo, Cross_Platform Development>
+<AR or VR Features in Mobile, connectedTo, In_App Purchase Integration>
+<AR or VR Features in Mobile, connectedTo, Testing and Debugging>
+<Accessibility Features, connectedTo, Camera Integration>
+<Accessibility Features, connectedTo, Cross_Platform Development>
+<Accessibility Features, connectedTo, Updates and Maintenance>
+<Ad Monetization, connectedTo, AR or VR Features in Mobile>
+<Ad Monetization, connectedTo, Camera Integration>
+<Ad Monetization, implements deep links, In_App Purchase Integration>
+<Analytics Tracking, connectedTo, App Store Optimization>
+<App Store Optimization, connectedTo, Push Notification Implementation>
+<Camera Integration, enables offline access, User Interface Design>
+<Cross_Platform Development, connectedTo, Chat Functionality>
+<In_App Purchase Integration, connectedTo, Camera Integration>
+<Push Notification Implementation, connectedTo, In_App Purchase Integration>
+<Testing and Debugging, connectedTo, Analytics Tracking>
+<Updates and Maintenance, connectedTo, Camera Integration>
+<Updates and Maintenance, designs widgets, Ad Monetization>
+<User Interface Design, connectedTo, Cross_Platform Development>
diff --git a/test/diagrams/scanned_easy/diagrams_225.txt b/test/diagrams/scanned_easy/diagrams_225.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ec92d173ba5382699cbb9e70be0e7f643fdc492b
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_225.txt
@@ -0,0 +1,25 @@
+<API Development, manages updates, Widget Development>
+<Analytics Tracking, connectedTo, Deployment to App Stores>
+<Analytics Tracking, connectedTo, In_App Purchase Integration>
+<Analytics Tracking, integrates wearables, Prototyping>
+<Backend Integration, creates wireframes, User Interface Design>
+<Backend Integration, optimizes ASO, Wireframing>
+<Biometric Authentication, connectedTo, API Development>
+<Camera Integration, connectedTo, Biometric Authentication>
+<Cloud Backend for Mobile, connectedTo, In_App Purchase Integration>
+<Crash Reporting, connectedTo, In_App Purchase Integration>
+<Crash Reporting, connectedTo, User Experience Design>
+<Crash Reporting, connectedTo, User Interface Design>
+<Deployment to App Stores, connectedTo, Push Notification Implementation>
+<In_App Purchase Integration, connectedTo, Wearable Device Integration>
+<Offline Mode Development, connectedTo, User Interface Design>
+<Prototyping, enables offline access, API Development>
+<Push Notification Implementation, connectedTo, Cloud Backend for Mobile>
+<Push Notification Implementation, connectedTo, In_App Purchase Integration>
+<User Experience Design, connectedTo, Offline Mode Development>
+<User Experience Design, connectedTo, User Interface Design>
+<User Interface Design, connectedTo, Analytics Tracking>
+<User Interface Design, implements security, Camera Integration>
+<Wearable Device Integration, connectedTo, Prototyping>
+<Wireframing, conducts tests, In_App Purchase Integration>
+<Wireframing, connectedTo, Crash Reporting>
diff --git a/test/diagrams/scanned_easy/diagrams_226.dot b/test/diagrams/scanned_easy/diagrams_226.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6d70e8ffb374c878200b34ece624fd290ff7ec6e
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_226.dot
@@ -0,0 +1,36 @@
+digraph {
+	rankdir=TB
+	N0 [label="Social Selling" color="#9C27B0" fillcolor="#E1BEE7" shape=vnode_shape style=filled]
+	N1 [label="Link_in_Bio Optimization" color="#9FA9E1" fillcolor="#D6D9F0" shape=preparation style=filled]
+	N2 [label="Influencer Collaboration" color="#9FA9E1" fillcolor="#D6D9F0" shape=document style=filled]
+	N3 [label="Crisis Management" color="#9FA9E1" fillcolor="#D6D9F0" shape=action style=filled]
+	N4 [label="Reporting and Optimization" color="#FF8A65" fillcolor="#FBE9E7" shape=database style=filled]
+	N5 [label="Reach and Impressions Tracking" color="#FF8A65" fillcolor="#FBE9E7" shape=multipledocuments style=filled]
+	S0 [label="" color="#9FA9E1" fillcolor="#D6D9F0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#FF8A65" fillcolor="#FBE9E7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Campaign Management {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Campaign Management"
+		nest0_0 [label="Engagement Rate Calculation" color="#FF8A65" fillcolor="#FBE9E7" shape=box style=filled]
+		nest0_1 [label="Community Management" color="#9C27B0" fillcolor="#E1BEE7" shape=hexagon style=filled]
+		nest0_2 [label="Story Format Content Creation" color="#FF8A65" fillcolor="#FBE9E7" shape=diamond style=filled]
+		nest0_3 [label="Group Management" color="#FF8A65" fillcolor="#FBE9E7" shape=preparation style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#9C27B0" penwidth=1.5 style=dashed label="performs social listening" dir=forward]
+	N2 -> N3 [color="#9FA9E1" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="collaborates with influencers" dir=forward]
+	N4 -> N5 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#9C27B0" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#000000" penwidth=1.5 style=dashed label="develops brand voice" dir=forward]
+	N1 -> nest0_0 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	nest0_3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> S0 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N4 [color="#9FA9E1" penwidth=1.5 style=solid label="runs ads" dir=forward]
+	S0 -> N5 [color="#FF8A65" penwidth=1.5 style=dashed label="monitors trends" dir=forward]
+	N1 -> S1 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N5 [color="#9FA9E1" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N4 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_226.txt b/test/diagrams/scanned_easy/diagrams_226.txt
new file mode 100644
index 0000000000000000000000000000000000000000..324ad5aaa2d3b7480bed1c73c16a585cf6a6c23d
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_226.txt
@@ -0,0 +1,14 @@
+<Community Management, connectedTo, Story Format Content Creation>
+<Crisis Management, collaborates with influencers, Reporting and Optimization>
+<Engagement Rate Calculation, connectedTo, Community Management>
+<Group Management, connectedTo, Reporting and Optimization>
+<Influencer Collaboration, connectedTo, Crisis Management>
+<Influencer Collaboration, monitors trends, Reach and Impressions Tracking>
+<Influencer Collaboration, runs ads, Reporting and Optimization>
+<Link_in_Bio Optimization, connectedTo, Engagement Rate Calculation>
+<Link_in_Bio Optimization, connectedTo, Reach and Impressions Tracking>
+<Link_in_Bio Optimization, connectedTo, Reporting and Optimization>
+<Link_in_Bio Optimization, performs social listening, Influencer Collaboration>
+<Reporting and Optimization, connectedTo, Reach and Impressions Tracking>
+<Social Selling, connectedTo, Link_in_Bio Optimization>
+<Story Format Content Creation, develops brand voice, Group Management>
diff --git a/test/diagrams/scanned_easy/diagrams_227.dot b/test/diagrams/scanned_easy/diagrams_227.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8f5f26fd930454b3d5c036f90df9704cc13588a6
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_227.dot
@@ -0,0 +1,52 @@
+digraph {
+	rankdir=TB
+	N0 [label="Customer Service on Social Media" color="#BCB88A" fillcolor="#F5F5DC" shape=diamond style=filled]
+	N1 [label="Crisis Communication Plan" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N2 [label="Scheduling Posts" color="#AABEC6" fillcolor="#E0E6E9" shape=inputoutput style=filled]
+	N3 [label="Performance Analytics" color="#82DAFF" fillcolor="#C8EDFF" shape=parallelogram style=filled]
+	N4 [label="Reporting and Optimization" color="#82DAFF" fillcolor="#C8EDFF" shape=inputoutput style=filled]
+	N5 [label="Content Strategy" color="#BCB88A" fillcolor="#F5F5DC" shape=vnode_shape style=filled]
+	N6 [label="Crisis Management" color="#AABEC6" fillcolor="#E0E6E9" shape=diamond style=filled]
+	N7 [label="Live Streaming on Social Media" color="#BCB88A" fillcolor="#F5F5DC" shape=inputoutput style=filled]
+	N8 [label="Paid Social Media Advertising" color="#BCB88A" fillcolor="#F5F5DC" shape=ellipse style=filled]
+	N9 [label="Polls and Quizzes Creation" color="#BCB88A" fillcolor="#F5F5DC" shape=ellipse style=filled]
+	N10 [label="Emerging Platform Exploration" color="#AABEC6" fillcolor="#E0E6E9" shape=document style=filled]
+	N11 [label="Social Listening" color="#AABEC6" fillcolor="#E0E6E9" shape=database style=filled]
+	N12 [label="Social Selling" color="#82DAFF" fillcolor="#C8EDFF" shape=diamond style=filled]
+	S0 [label="" color="#AABEC6" fillcolor="#E0E6E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#AABEC6" fillcolor="#E0E6E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Story Format Content Creation {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Story Format Content Creation"
+		nest0_0 [label="Brand Voice Development" color="#82DAFF" fillcolor="#C8EDFF" shape=action style=filled]
+		nest0_1 [label="Content Moderation" color="#BCB88A" fillcolor="#F5F5DC" shape=diamond style=filled]
+		nest0_2 [label="Personal Branding on Social Media" color="#82DAFF" fillcolor="#C8EDFF" shape=parallelogram style=filled]
+		nest0_3 [label="Engagement Rate Calculation" color="#BCB88A" fillcolor="#F5F5DC" shape=action style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#BCB88A" penwidth=1.5 style=dashed label="selects platforms" dir=forward]
+	N4 -> N5 [color="#BCB88A" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#BCB88A" penwidth=1.5 style=dashed label="builds reputation" dir=forward]
+	N6 -> N7 [color="#BCB88A" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#BCB88A" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="forms partnerships" dir=forward]
+	N9 -> N10 [color="#AABEC6" penwidth=1.5 style=dashed label="curates UGC" dir=forward]
+	N10 -> N11 [color="#82DAFF" penwidth=1.5 style=dashed label="schedules posts" dir=forward]
+	N11 -> N12 [color="#82DAFF" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#AABEC6" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#82DAFF" penwidth=1.5 style=solid label="supports customers" dir=forward]
+	nest0_2 -> nest0_3 [color="#AABEC6" penwidth=1.5 style=solid dir=forward]
+	N8 -> nest0_0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N11 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	N6 -> S0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N11 [color="#BCB88A" penwidth=1.5 style=solid dir=forward]
+	S0 -> N12 [color="#000000" penwidth=1.5 style=solid label="produces reels" dir=forward]
+	S0 -> N10 [color="#BCB88A" penwidth=1.5 style=solid label="builds groups" dir=forward]
+	N10 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> M0 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N12 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_227.txt b/test/diagrams/scanned_easy/diagrams_227.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d9539f772da26996094d5afcf9729376b9f832f5
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_227.txt
@@ -0,0 +1,23 @@
+<Brand Voice Development, connectedTo, Content Moderation>
+<Content Moderation, supports customers, Personal Branding on Social Media>
+<Content Strategy, builds reputation, Crisis Management>
+<Crisis Communication Plan, connectedTo, Scheduling Posts>
+<Crisis Management, builds groups, Emerging Platform Exploration>
+<Crisis Management, connectedTo, Live Streaming on Social Media>
+<Crisis Management, connectedTo, Social Listening>
+<Crisis Management, produces reels, Social Selling>
+<Customer Service on Social Media, connectedTo, Crisis Communication Plan>
+<Emerging Platform Exploration, connectedTo, Social Selling>
+<Emerging Platform Exploration, schedules posts, Social Listening>
+<Engagement Rate Calculation, connectedTo, Social Listening>
+<Live Streaming on Social Media, connectedTo, Paid Social Media Advertising>
+<Paid Social Media Advertising, connectedTo, Brand Voice Development>
+<Paid Social Media Advertising, forms partnerships, Polls and Quizzes Creation>
+<Performance Analytics, connectedTo, Social Selling>
+<Performance Analytics, selects platforms, Reporting and Optimization>
+<Personal Branding on Social Media, connectedTo, Engagement Rate Calculation>
+<Polls and Quizzes Creation, curates UGC, Emerging Platform Exploration>
+<Reporting and Optimization, connectedTo, Content Strategy>
+<Reporting and Optimization, connectedTo, Social Selling>
+<Scheduling Posts, connectedTo, Performance Analytics>
+<Social Listening, connectedTo, Social Selling>
diff --git a/test/diagrams/scanned_easy/diagrams_228.txt b/test/diagrams/scanned_easy/diagrams_228.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3b3454e7be2afdd15085a06698a37b0f2276eb8a
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_228.txt
@@ -0,0 +1,21 @@
+<Audience Engagement, connectedTo, Paid Social Media Advertising>
+<Community Management, connectedTo, Platform Selection>
+<Cross_Promotion, connectedTo, Brand Voice Development>
+<Cross_Promotion, connectedTo, Engagement Rate Calculation>
+<Cross_Promotion, manages campaigns, Paid Social Media Advertising>
+<Direct Messaging Strategy, connectedTo, Story Format Content Creation>
+<Engagement Rate Calculation, connectedTo, Direct Messaging Strategy>
+<Engagement Rate Calculation, tracks performance, Reels or Short Video Production>
+<Hashtag Research, connectedTo, Social Media Audits>
+<Hashtag Research, shares links, Platform Algorithm Understanding>
+<Paid Social Media Advertising, curates UGC, Brand Voice Development>
+<Personal Branding on Social Media, manages crises, Hashtag Research>
+<Personal Branding on Social Media, runs polls, Social Media Audits>
+<Platform Algorithm Understanding, connectedTo, User_Generated Content Curation>
+<Platform Selection, connectedTo, Direct Messaging Strategy>
+<Polls and Quizzes Creation, develops strategies, Community Management>
+<Reels or Short Video Production, connectedTo, Polls and Quizzes Creation>
+<Social Media Audits, connectedTo, Trend Monitoring>
+<Story Format Content Creation, connectedTo, Audience Engagement>
+<Trend Monitoring, builds personal brands, Cross_Promotion>
+<User_Generated Content Curation, connectedTo, Social Media Audits>
diff --git a/test/diagrams/scanned_easy/diagrams_230.dot b/test/diagrams/scanned_easy/diagrams_230.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e2777dfa0340b2ca5e060182c4fbbcb51e2a945f
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_230.dot
@@ -0,0 +1,34 @@
+digraph {
+	rankdir=BT
+	N0 [label="Click_Through Rate Optimization" color="#2196F3" fillcolor="#BBDEFB" shape=document style=filled]
+	N1 [label="Off_Page SEO" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N2 [label="On_Page SEO" color="#2196F3" fillcolor="#BBDEFB" shape=action style=filled]
+	N3 [label="Personalized Search Results" color="#73C6BC" fillcolor="#D0EFEE" shape=vnode_shape style=filled]
+	N4 [label="Semantic Search" color="#2196F3" fillcolor="#BBDEFB" shape=hexagon style=filled]
+	N5 [label="Schema Markup Implementation" color="#2196F3" fillcolor="#BBDEFB" shape=database style=filled]
+	S0 [label="" color="#2196F3" fillcolor="#BBDEFB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#00BCD4" fillcolor="#E0F7FA" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Technical SEO {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Technical SEO"
+		nest0_0 [label="Search Engine Optimization" color="#73C6BC" fillcolor="#D0EFEE" shape=database style=filled]
+		nest0_1 [label="Shopping Search" color="#00BCD4" fillcolor="#E0F7FA" shape=diamond style=filled]
+		nest0_2 [label="Site Architecture Optimization" color="#73C6BC" fillcolor="#D0EFEE" shape=predefinedprocess style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="uses search console" dir=forward]
+	N4 -> N5 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N3 -> nest0_0 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> N3 [color="#2196F3" penwidth=1.5 style=dashed label="optimizes for mobile" dir=forward]
+	N1 -> S0 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M1 [color="#73C6BC" penwidth=1.5 style=dashed label="handles voice search" dir=forward]
+	N1 -> M1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N3 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_231.dot b/test/diagrams/scanned_easy/diagrams_231.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f0172ff3ea1c5bbd0baed1dcb8847b4b800022ef
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_231.dot
@@ -0,0 +1,52 @@
+digraph {
+	rankdir=LR
+	N0 [label="Indexing Content" color="#FFF8A6" fillcolor="#FFFDE0" shape=predefinedprocess style=filled]
+	N1 [label="International SEO" color="#A1887F" fillcolor="#EFEBE9" shape=preparation style=filled]
+	N2 [label="Negative SEO Prevention" color="#FF9800" fillcolor="#FFE0B2" shape=parallelogram style=filled]
+	N3 [label="Ranking Algorithms" color="#A1887F" fillcolor="#EFEBE9" shape=action style=filled]
+	N4 [label="Query Processing" color="#A1887F" fillcolor="#EFEBE9" shape=rectangle style=filled]
+	N5 [label="Algorithm Updates Monitoring" color="#A1887F" fillcolor="#EFEBE9" shape=action style=filled]
+	N6 [label="Semantic Search" color="#A1887F" fillcolor="#EFEBE9" shape=action style=filled]
+	N7 [label="Technical SEO" color="#A1887F" fillcolor="#EFEBE9" shape=inputoutput style=filled]
+	N8 [label="Search Result Display" color="#A1887F" fillcolor="#EFEBE9" shape=action style=filled]
+	N9 [label="Google Analytics Integration" color="#FFF8A6" fillcolor="#FFFDE0" shape=rect style=filled]
+	N10 [label="User Intent Understanding" color="#A1887F" fillcolor="#EFEBE9" shape=multipledocuments style=filled]
+	N11 [label="Video Search" color="#FFF8A6" fillcolor="#FFFDE0" shape=multipledocuments style=filled]
+	N12 [label="Schema Markup Implementation" color="#A1887F" fillcolor="#EFEBE9" shape=box style=filled]
+	S0 [label="" color="#FF9800" fillcolor="#FFE0B2" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#A1887F" fillcolor="#EFEBE9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#A1887F" fillcolor="#EFEBE9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_News Search {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="News Search"
+		nest0_0 [label="Local SEO" color="#A1887F" fillcolor="#EFEBE9" shape=rectangle style=filled]
+		nest0_1 [label="Keyword Research" color="#A1887F" fillcolor="#EFEBE9" shape=inputoutput style=filled]
+		nest0_2 [label="Off_Page SEO" color="#A1887F" fillcolor="#EFEBE9" shape=preparation style=filled]
+	}
+	N0 -> N1 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFF8A6" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFF8A6" penwidth=1.5 style=solid label="analyzes competitors" dir=forward]
+	N3 -> N4 [color="#FF9800" penwidth=1.5 style=solid label="manages international SEO" dir=forward]
+	N4 -> N5 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="manages technical SEO" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#FF9800" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#FF9800" penwidth=1.5 style=dashed label="optimizes for mobile" dir=forward]
+	nest0_1 -> nest0_2 [color="#FFF8A6" penwidth=1.5 style=dashed dir=forward]
+	N1 -> nest0_0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> N9 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	N4 -> S0 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	S0 -> N9 [color="#000000" penwidth=1.5 style=dashed label="processes queries" dir=forward]
+	S0 -> N6 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	N0 -> M0 [color="#FFF8A6" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	M0 -> N3 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	N1 -> M1 [color="#FFF8A6" penwidth=1.5 style=dashed label="uses schema markup" dir=forward]
+	N0 -> M1 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	M1 -> N3 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_232.dot b/test/diagrams/scanned_easy/diagrams_232.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ff0c18bbda6f1ee6d0465e3372266eb1baa7a8b1
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_232.dot
@@ -0,0 +1,42 @@
+digraph {
+	rankdir=LR
+	N0 [label="Privacy Management" color="#BA68C8" fillcolor="#F3E5F5" shape=rect style=filled]
+	N1 [label="Non_Repudiation" color="#61CAC3" fillcolor="#C2E8E6" shape=ellipse style=filled]
+	N2 [label="Privileged Access Management" color="#BA68C8" fillcolor="#F3E5F5" shape=ellipse style=filled]
+	N3 [label="Attribute Management" color="#61CAC3" fillcolor="#C2E8E6" shape=database style=filled]
+	N4 [label="Digital Signatures" color="#61CAC3" fillcolor="#C2E8E6" shape=diamond style=filled]
+	N5 [label="Multi_Factor Authentication" color="#BA68C8" fillcolor="#F3E5F5" shape=diamond style=filled]
+	N6 [label="Access Governance" color="#BA68C8" fillcolor="#F3E5F5" shape=database style=filled]
+	S0 [label="" color="#61CAC3" fillcolor="#C2E8E6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#DCE775" fillcolor="#FCFCE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#DCE775" fillcolor="#FCFCE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Identity as a Service {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Identity as a Service"
+		nest0_0 [label="Portable Identities" color="#DCE775" fillcolor="#FCFCE7" shape=document style=filled]
+		nest0_1 [label="Blockchain_based Identity" color="#DCE775" fillcolor="#FCFCE7" shape=parallelogram style=filled]
+		nest0_2 [label="Biometric Authentication" color="#BA68C8" fillcolor="#F3E5F5" shape=diamond style=filled]
+		nest0_3 [label="Password Management" color="#BA68C8" fillcolor="#F3E5F5" shape=preparation style=filled]
+	}
+	N0 -> N1 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#BA68C8" penwidth=1.5 style=dashed label="integrates social logins" dir=forward]
+	N2 -> N3 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#BA68C8" penwidth=1.5 style=dashed label="manages CIAM" dir=forward]
+	N5 -> N6 [color="#BA68C8" penwidth=1.5 style=dashed label="implements DIDs" dir=forward]
+	nest0_0 -> nest0_1 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#BA68C8" penwidth=1.5 style=dashed label="governs access" dir=forward]
+	nest0_2 -> nest0_3 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N3 -> nest0_0 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N2 [color="#BA68C8" penwidth=1.5 style=solid dir=forward]
+	N3 -> S0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N6 [color="#000000" penwidth=1.5 style=dashed label="manages passwords" dir=forward]
+	S0 -> N5 [color="#BA68C8" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	M0 -> N3 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M1 [color="#DCE775" penwidth=1.5 style=solid label="ensures non_repudiation" dir=forward]
+	M1 -> N4 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_232.txt b/test/diagrams/scanned_easy/diagrams_232.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3f5875483b5931763e2b101516ca6cfdac737f9a
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_232.txt
@@ -0,0 +1,17 @@
+<Attribute Management, connectedTo, Digital Signatures>
+<Attribute Management, connectedTo, Multi_Factor Authentication>
+<Attribute Management, connectedTo, Portable Identities>
+<Attribute Management, manages passwords, Access Governance>
+<Biometric Authentication, connectedTo, Password Management>
+<Blockchain_based Identity, governs access, Biometric Authentication>
+<Digital Signatures, manages CIAM, Multi_Factor Authentication>
+<Multi_Factor Authentication, implements DIDs, Access Governance>
+<Non_Repudiation, connectedTo, Attribute Management>
+<Non_Repudiation, integrates social logins, Privileged Access Management>
+<Password Management, connectedTo, Privileged Access Management>
+<Portable Identities, connectedTo, Blockchain_based Identity>
+<Privacy Management, connectedTo, Attribute Management>
+<Privacy Management, connectedTo, Non_Repudiation>
+<Privacy Management, ensures non_repudiation, Digital Signatures>
+<Privileged Access Management, connectedTo, Attribute Management>
+<Privileged Access Management, connectedTo, Digital Signatures>
diff --git a/test/diagrams/scanned_easy/diagrams_233.dot b/test/diagrams/scanned_easy/diagrams_233.dot
new file mode 100644
index 0000000000000000000000000000000000000000..01046fbab2156110f5f00b4ae1e33d142adfd2c6
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_233.dot
@@ -0,0 +1,46 @@
+digraph {
+	rankdir=LR
+	N0 [label="Federated Identity Management" color="#FFCC7A" fillcolor="#FFF6D9" shape=multipledocuments style=filled]
+	N1 [label="Digital Signatures" color="#B8C0F5" fillcolor="#ECF0FD" shape=parallelogram style=filled]
+	N2 [label="Multi_Factor Authentication" color="#FFCC7A" fillcolor="#FFF6D9" shape=vnode_shape style=filled]
+	N3 [label="Customer Identity and Access Management" color="#FFCC7A" fillcolor="#FFF6D9" shape=predefinedprocess style=filled]
+	N4 [label="Password Management" color="#B8C0F5" fillcolor="#ECF0FD" shape=box style=filled]
+	N5 [label="Privileged Access Management" color="#B8C0F5" fillcolor="#ECF0FD" shape=vnode_shape style=filled]
+	N6 [label="Fraud Detection in Identity" color="#FFCC7A" fillcolor="#FFF6D9" shape=database style=filled]
+	N7 [label="Identity Lifecycle Management" color="#B8C0F5" fillcolor="#ECF0FD" shape=diamond style=filled]
+	N8 [label="Biometric Authentication" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+	N9 [label="Attribute Management" color="#FFCC7A" fillcolor="#FFF6D9" shape=vnode_shape style=filled]
+	N10 [label="Blockchain_based Identity" color="#FFCC7A" fillcolor="#FFF6D9" shape=preparation style=filled]
+	S0 [label="" color="#B8C0F5" fillcolor="#ECF0FD" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#4DD0E1" fillcolor="#C9F0F0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#B8C0F5" fillcolor="#ECF0FD" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Verifiable Credentials {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Verifiable Credentials"
+		nest0_0 [label="Portable Identities" color="#4DD0E1" fillcolor="#C9F0F0" shape=rect style=filled]
+		nest0_1 [label="Single Sign_On" color="#4DD0E1" fillcolor="#C9F0F0" shape=vnode_shape style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#4DD0E1" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#4DD0E1" penwidth=1.5 style=solid label="manages wallets" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#4DD0E1" penwidth=1.5 style=dashed label="manages passwords" dir=forward]
+	N9 -> N10 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	N3 -> nest0_0 [color="#FFCC7A" penwidth=1.5 style=solid label="implements adaptive authentication" dir=forward]
+	nest0_1 -> N3 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	N0 -> S0 [color="#4DD0E1" penwidth=1.5 style=solid dir=forward]
+	S0 -> N2 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N7 [color="#4DD0E1" penwidth=1.5 style=solid label="issues certificates" dir=forward]
+	N5 -> S1 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	S1 -> N9 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N8 [color="#B8C0F5" penwidth=1.5 style=solid label="issues verifiable credentials" dir=forward]
+	N2 -> M0 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M0 [color="#000000" penwidth=1.5 style=solid label="detects fraud" dir=forward]
+	M0 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_236.dot b/test/diagrams/scanned_easy/diagrams_236.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8d28bdb68a122f5c4d22ef43cafd7aaa15048057
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_236.dot
@@ -0,0 +1,42 @@
+digraph {
+	rankdir=RL
+	N0 [label="Learning Analytics" color="#90A4AE" fillcolor="#ECEFF1" shape=inputoutput style=filled]
+	N1 [label="Parent or Guardian Communication" color="#73C6BC" fillcolor="#D0EFEE" shape=hexagon style=filled]
+	N2 [label="Test Preparation Courses" color="#90A4AE" fillcolor="#ECEFF1" shape=predefinedprocess style=filled]
+	N3 [label="Open Educational Resources Integration" color="#73C6BC" fillcolor="#D0EFEE" shape=inputoutput style=filled]
+	N4 [label="Virtual Classroom Facilitation" color="#73C6BC" fillcolor="#D0EFEE" shape=predefinedprocess style=filled]
+	N5 [label="Peer_to_Peer Learning" color="#73C6BC" fillcolor="#D0EFEE" shape=diamond style=filled]
+	S0 [label="" color="#73C6BC" fillcolor="#D0EFEE" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#80DDEA" fillcolor="#D3F7F9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#73C6BC" fillcolor="#D0EFEE" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Professional Development Courses {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Professional Development Courses"
+		nest0_0 [label="Discussion Forum Moderation" color="#80DDEA" fillcolor="#D3F7F9" shape=multipledocuments style=filled]
+		nest0_1 [label="Adaptive Learning Technologies" color="#73C6BC" fillcolor="#D0EFEE" shape=vnode_shape style=filled]
+		nest0_2 [label="Virtual Labs and Simulations" color="#90A4AE" fillcolor="#ECEFF1" shape=inputoutput style=filled]
+		nest0_3 [label="Gamification in Education" color="#90A4AE" fillcolor="#ECEFF1" shape=action style=filled]
+	}
+	N0 -> N1 [color="#80DDEA" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#80DDEA" penwidth=1.5 style=dashed label="secures platforms" dir=forward]
+	N3 -> N4 [color="#80DDEA" penwidth=1.5 style=solid label="personalizes learning" dir=forward]
+	N4 -> N5 [color="#80DDEA" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#80DDEA" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	N3 -> nest0_0 [color="#90A4AE" penwidth=1.5 style=solid label="issues badges" dir=forward]
+	nest0_3 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N0 -> S0 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	S0 -> N4 [color="#80DDEA" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N3 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	S0 -> N2 [color="#80DDEA" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#80DDEA" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M0 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	M0 -> N3 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M1 [color="#000000" penwidth=1.5 style=dashed label="trains educators" dir=forward]
+	N3 -> M1 [color="#000000" penwidth=1.5 style=dashed label="uses adaptive systems" dir=forward]
+	N1 -> M1 [color="#73C6BC" penwidth=1.5 style=dashed label="tracks progress" dir=forward]
+	M1 -> N5 [color="#80DDEA" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_236.txt b/test/diagrams/scanned_easy/diagrams_236.txt
new file mode 100644
index 0000000000000000000000000000000000000000..83ef9da0ed2151cba9e9c8bf8739ef75372c3e3e
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_236.txt
@@ -0,0 +1,17 @@
+<Adaptive Learning Technologies, connectedTo, Virtual Labs and Simulations>
+<Discussion Forum Moderation, connectedTo, Adaptive Learning Technologies>
+<Gamification in Education, connectedTo, Open Educational Resources Integration>
+<Learning Analytics, connectedTo, Open Educational Resources Integration>
+<Learning Analytics, connectedTo, Parent or Guardian Communication>
+<Learning Analytics, connectedTo, Test Preparation Courses>
+<Learning Analytics, connectedTo, Virtual Classroom Facilitation>
+<Learning Analytics, trains educators, Peer_to_Peer Learning>
+<Open Educational Resources Integration, issues badges, Discussion Forum Moderation>
+<Open Educational Resources Integration, personalizes learning, Virtual Classroom Facilitation>
+<Open Educational Resources Integration, uses adaptive systems, Peer_to_Peer Learning>
+<Parent or Guardian Communication, connectedTo, Open Educational Resources Integration>
+<Parent or Guardian Communication, connectedTo, Test Preparation Courses>
+<Parent or Guardian Communication, tracks progress, Peer_to_Peer Learning>
+<Test Preparation Courses, secures platforms, Open Educational Resources Integration>
+<Virtual Classroom Facilitation, connectedTo, Peer_to_Peer Learning>
+<Virtual Labs and Simulations, connectedTo, Gamification in Education>
diff --git a/test/diagrams/scanned_easy/diagrams_238.dot b/test/diagrams/scanned_easy/diagrams_238.dot
new file mode 100644
index 0000000000000000000000000000000000000000..103d999dee337b5088fcd930f2085082b2c67765
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_238.dot
@@ -0,0 +1,38 @@
+digraph {
+	rankdir=LR
+	N0 [label="Career Pathway Mapping" color="#FF5722" fillcolor="#FFCCBC" shape=predefinedprocess style=filled]
+	N1 [label="Research on MOOC Effectiveness" color="#FF5722" fillcolor="#FFCCBC" shape=ellipse style=filled]
+	N2 [label="Global Accessibility Features" color="#6FE1D5" fillcolor="#C9EFEC" shape=action style=filled]
+	N3 [label="Learner Feedback Analysis" color="#BDBDBD" fillcolor="#F5F5F5" shape=multipledocuments style=filled]
+	N4 [label="Subscription Models" color="#BDBDBD" fillcolor="#F5F5F5" shape=ellipse style=filled]
+	N5 [label="Assessment Creation" color="#BDBDBD" fillcolor="#F5F5F5" shape=box style=filled]
+	N6 [label="Skill_Based Learning Outcomes" color="#6FE1D5" fillcolor="#C9EFEC" shape=parallelogram style=filled]
+	S0 [label="" color="#BDBDBD" fillcolor="#F5F5F5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#6FE1D5" fillcolor="#C9EFEC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Financial Aid for Learners {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Financial Aid for Learners"
+		nest0_0 [label="Gamification for Engagement" color="#BDBDBD" fillcolor="#F5F5F5" shape=parallelogram style=filled]
+		nest0_1 [label="Course Audit Options" color="#FF5722" fillcolor="#FFCCBC" shape=box style=filled]
+		nest0_2 [label="Course Retirement Planning" color="#BDBDBD" fillcolor="#F5F5F5" shape=database style=filled]
+		nest0_3 [label="Engagement Metrics Tracking" color="#FF5722" fillcolor="#FFCCBC" shape=rectangle style=filled]
+	}
+	N0 -> N1 [color="#6FE1D5" penwidth=1.5 style=solid label="provides forums" dir=forward]
+	N1 -> N2 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N5 -> nest0_0 [color="#BDBDBD" penwidth=1.5 style=solid label="integrates videos" dir=forward]
+	nest0_3 -> N4 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N1 -> S0 [color="#BDBDBD" penwidth=1.5 style=solid dir=forward]
+	S0 -> N4 [color="#6FE1D5" penwidth=1.5 style=solid label="translates content" dir=forward]
+	S0 -> N5 [color="#6FE1D5" penwidth=1.5 style=solid label="administers quizzes" dir=forward]
+	N3 -> M0 [color="#6FE1D5" penwidth=1.5 style=solid label="analyzes data" dir=forward]
+	N1 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N5 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_238.txt b/test/diagrams/scanned_easy/diagrams_238.txt
new file mode 100644
index 0000000000000000000000000000000000000000..42ee833fa730d612fad0a770f2dd993ce453c8a3
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_238.txt
@@ -0,0 +1,15 @@
+<Assessment Creation, connectedTo, Skill_Based Learning Outcomes>
+<Assessment Creation, integrates videos, Gamification for Engagement>
+<Career Pathway Mapping, provides forums, Research on MOOC Effectiveness>
+<Course Audit Options, connectedTo, Course Retirement Planning>
+<Course Retirement Planning, connectedTo, Engagement Metrics Tracking>
+<Engagement Metrics Tracking, connectedTo, Subscription Models>
+<Gamification for Engagement, connectedTo, Course Audit Options>
+<Global Accessibility Features, connectedTo, Learner Feedback Analysis>
+<Learner Feedback Analysis, analyzes data, Assessment Creation>
+<Learner Feedback Analysis, connectedTo, Subscription Models>
+<Research on MOOC Effectiveness, administers quizzes, Assessment Creation>
+<Research on MOOC Effectiveness, connectedTo, Assessment Creation>
+<Research on MOOC Effectiveness, connectedTo, Global Accessibility Features>
+<Research on MOOC Effectiveness, translates content, Subscription Models>
+<Subscription Models, connectedTo, Assessment Creation>
diff --git a/test/diagrams/scanned_easy/diagrams_239.dot b/test/diagrams/scanned_easy/diagrams_239.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4565f62255f94b7c6166cc9fbb8cc9ee7eec8195
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_239.dot
@@ -0,0 +1,37 @@
+digraph {
+	rankdir=LR
+	N0 [label="Certificate of Completion Issuance" color="#94C0C0" fillcolor="#CADEDE" shape=database style=filled]
+	N1 [label="Completion Rate Optimization" color="#388E3C" fillcolor="#F1F8E9" shape=rectangle style=filled]
+	N2 [label="Instructor Recruitment for MOOCs" color="#388E3C" fillcolor="#C8E6C9" shape=inputoutput style=filled]
+	N3 [label="Course Pilot Testing" color="#388E3C" fillcolor="#F1F8E9" shape=rectangle style=filled]
+	N4 [label="University Partnerships" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
+	N5 [label="Specialization or Professional Certificate Programs" color="#388E3C" fillcolor="#F1F8E9" shape=rectangle style=filled]
+	N6 [label="Learner Analytics" color="#388E3C" fillcolor="#F1F8E9" shape=rectangle style=filled]
+	N7 [label="Discussion Forum Management" color="#388E3C" fillcolor="#F1F8E9" shape=hexagon style=filled]
+	N8 [label="Assessment Creation" color="#388E3C" fillcolor="#C8E6C9" shape=document style=filled]
+	S0 [label="" color="#388E3C" fillcolor="#F1F8E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Peer Grading Implementation {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Peer Grading Implementation"
+		nest0_0 [label="Self_Paced Learning Tracks" color="#388E3C" fillcolor="#F1F8E9" shape=ellipse style=filled]
+		nest0_1 [label="Marketing to Global Audience" color="#94C0C0" fillcolor="#CADEDE" shape=rect style=filled]
+		nest0_2 [label="Course Audit Options" color="#388E3C" fillcolor="#F1F8E9" shape=predefinedprocess style=filled]
+	}
+	N0 -> N1 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#388E3C" penwidth=1.5 style=solid label="expands reach" dir=forward]
+	N3 -> N4 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#94C0C0" penwidth=1.5 style=solid label="tracks completion" dir=forward]
+	N6 -> N7 [color="#94C0C0" penwidth=1.5 style=dashed label="builds communities" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> nest0_0 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> N5 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	N0 -> S0 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	S0 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N2 [color="#388E3C" penwidth=1.5 style=dashed label="offers pathways" dir=forward]
+	N1 -> nest0_1 [color="#000000" penwidth=1.5 style=dashed label="promotes courses" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_24.dot b/test/diagrams/scanned_easy/diagrams_24.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1a75f559669c27564e864c64ce2120eb11e645c4
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_24.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=LR
+	N0 [label="Traffic Flow Optimization" color="#3F51B5" fillcolor="#C5CAE9" shape=rect style=filled]
+	N1 [label="Smart Education Initiatives" color="#3F51B5" fillcolor="#C5CAE9" shape=diamond style=filled]
+	N2 [label="Smart Water Meters" color="#6FE1D5" fillcolor="#C9EFEC" shape=preparation style=filled]
+	N3 [label="Urban Agriculture Support" color="#3F51B5" fillcolor="#C5CAE9" shape=box style=filled]
+	N4 [label="City_wide Sensor Network Deployment" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N5 [label="Smart Lighting" color="#3F51B5" fillcolor="#C5CAE9" shape=rect style=filled]
+	N6 [label="Public Transport Tracking" color="#3F51B5" fillcolor="#C5CAE9" shape=hexagon style=filled]
+	N7 [label="Energy Grid Management" color="#3F51B5" fillcolor="#C5CAE9" shape=document style=filled]
+	N8 [label="Smart Traffic Lights" color="#6FE1D5" fillcolor="#C9EFEC" shape=multipledocuments style=filled]
+	N9 [label="Sustainable Resource Management" color="#3F51B5" fillcolor="#C5CAE9" shape=predefinedprocess style=filled]
+	N10 [label="Citizen Engagement Platform" color="#3F51B5" fillcolor="#C5CAE9" shape=diamond style=filled]
+	N0 -> N1 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="measures" dir=forward]
+	N3 -> N4 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#90A4AE" penwidth=1.5 style=dashed label="predicts" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#6FE1D5" penwidth=1.5 style=solid label="collects" dir=forward]
+	N7 -> N8 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#90A4AE" penwidth=1.5 style=solid label="connects" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed label="complies" dir=forward]
+	N8 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N0 -> N3 [color="#000000" penwidth=1.5 style=dashed label="upgrades" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_240.dot b/test/diagrams/scanned_easy/diagrams_240.dot
new file mode 100644
index 0000000000000000000000000000000000000000..19dd2a29ae64da94b80a12be6d9da32111e64dd6
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_240.dot
@@ -0,0 +1,40 @@
+digraph {
+	rankdir=RL
+	N0 [label="Platform Selection" color="#AF56A6" fillcolor="#DDCEDD" shape=parallelogram style=filled]
+	N1 [label="Learner Analytics" color="#00BCD4" fillcolor="#B2EBF2" shape=rect style=filled]
+	N2 [label="Marketing to Global Audience" color="#81C784" fillcolor="#F1F8E9" shape=parallelogram style=filled]
+	N3 [label="Learner Feedback Analysis" color="#00BCD4" fillcolor="#B2EBF2" shape=hexagon style=filled]
+	N4 [label="Course Promotion" color="#AF56A6" fillcolor="#DDCEDD" shape=database style=filled]
+	S0 [label="" color="#AF56A6" fillcolor="#DDCEDD" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#81C784" fillcolor="#F1F8E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#81C784" fillcolor="#F1F8E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Learner Support {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Learner Support"
+		nest0_0 [label="Industry Collaboration for Content" color="#00BCD4" fillcolor="#B2EBF2" shape=inputoutput style=filled]
+		nest0_1 [label="Assessment Creation" color="#00BCD4" fillcolor="#B2EBF2" shape=multipledocuments style=filled]
+		nest0_2 [label="Discussion Forum Management" color="#00BCD4" fillcolor="#B2EBF2" shape=predefinedprocess style=filled]
+		nest0_3 [label="Continuous Course Improvement" color="#AF56A6" fillcolor="#DDCEDD" shape=rectangle style=filled]
+	}
+	N0 -> N1 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#81C784" penwidth=1.5 style=dashed label="hosts platforms" dir=forward]
+	N2 -> N3 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#AF56A6" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> nest0_0 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N1 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N1 -> S0 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	S0 -> N3 [color="#00BCD4" penwidth=1.5 style=dashed label="offers assignments" dir=forward]
+	S0 -> N4 [color="#00BCD4" penwidth=1.5 style=dashed label="provides technical support" dir=forward]
+	N0 -> S1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N4 [color="#000000" penwidth=1.5 style=solid label="manages registrations" dir=forward]
+	S1 -> N3 [color="#AF56A6" penwidth=1.5 style=solid dir=forward]
+	S1 -> N2 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M1 [color="#AF56A6" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N0 -> M1 [color="#AF56A6" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N4 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_241.dot b/test/diagrams/scanned_easy/diagrams_241.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6f61cc34b4725c874a81d4f4ca8c873134e65e61
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_241.dot
@@ -0,0 +1,74 @@
+digraph {
+	rankdir=TB
+	N0 [label="Risk Assessment" color="#9C27B0" fillcolor="#E1BEE7" shape=database style=filled]
+	N1 [label="Securities Trading" color="#9C27B0" fillcolor="#E1BEE7" shape=box style=filled]
+	N2 [label="Asset Management" color="#B0C5CD" fillcolor="#DFE7EB" shape=document style=filled]
+	N3 [label="Customer Onboarding" color="#9C27B0" fillcolor="#E1BEE7" shape=inputoutput style=filled]
+	N4 [label="Market Analysis" color="#9C27B0" fillcolor="#E1BEE7" shape=action style=filled]
+	N5 [label="Cryptocurrency Exchange" color="#9C27B0" fillcolor="#E1BEE7" shape=database style=filled]
+	N6 [label="Blockchain Verification" color="#9C27B0" fillcolor="#E1BEE7" shape=rect style=filled]
+	N7 [label="KYC Validation" color="#9C27B0" fillcolor="#E1BEE7" shape=action style=filled]
+	N8 [label="Underwriting" color="#B0C5CD" fillcolor="#DFE7EB" shape=predefinedprocess style=filled]
+	N9 [label="Financial Reporting" color="#9C27B0" fillcolor="#E1BEE7" shape=parallelogram style=filled]
+	N10 [label="Approval Decision" color="#B0C5CD" fillcolor="#DFE7EB" shape=predefinedprocess style=filled]
+	N11 [label="IPO Launch" color="#9C27B0" fillcolor="#E1BEE7" shape=database style=filled]
+	N12 [label="Portfolio Management" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	S0 [label="" color="#B0C5CD" fillcolor="#DFE7EB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#9C27B0" fillcolor="#E1BEE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#FFCC7A" fillcolor="#FFF6D9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#9C27B0" fillcolor="#E1BEE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M2 [label="" color="#B0C5CD" fillcolor="#DFE7EB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Compliance Review {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Compliance Review"
+		nest0_0 [label="Investment Planning" color="#9C27B0" fillcolor="#E1BEE7" shape=inputoutput style=filled]
+		nest0_1 [label="Fund Disbursement" color="#FFCC7A" fillcolor="#FFF6D9" shape=hexagon style=filled]
+	}
+	subgraph cluster_Loan Processing {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Loan Processing"
+		nest1_0 [label="Treasury Management" color="#B0C5CD" fillcolor="#DFE7EB" shape=database style=filled]
+		nest1_1 [label="Payment Gateway Integration" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+		nest1_2 [label="Transaction Audit" color="#B0C5CD" fillcolor="#DFE7EB" shape=multipledocuments style=filled]
+		nest1_3 [label="Income Verification" color="#FFCC7A" fillcolor="#FFF6D9" shape=action style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#9C27B0" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N7 -> nest0_0 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N9 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	nest1_0 -> nest1_1 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	nest1_1 -> nest1_2 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	nest1_2 -> nest1_3 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+	N3 -> nest1_0 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	nest1_3 -> N7 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N4 -> S0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N9 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N7 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+	N2 -> S1 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	S1 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N4 [color="#000000" penwidth=1.5 style=solid label="models" dir=forward]
+	N5 -> S2 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N7 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+	S2 -> N8 [color="#9C27B0" penwidth=1.5 style=solid dir=forward]
+	N4 -> M0 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	N5 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	M0 -> N8 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N8 -> M2 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N4 -> M2 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	N9 -> M2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M2 -> N11 [color="#9C27B0" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_241.txt b/test/diagrams/scanned_easy/diagrams_241.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a02b847cd476b1a4369c6649f89d28c7a6effffa
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_241.txt
@@ -0,0 +1,31 @@
+<Approval Decision, connectedTo, IPO Launch>
+<Asset Management, connectedTo, Approval Decision>
+<Asset Management, connectedTo, Customer Onboarding>
+<Asset Management, connectedTo, Financial Reporting>
+<Asset Management, models, Market Analysis>
+<Blockchain Verification, connectedTo, KYC Validation>
+<Cryptocurrency Exchange, connectedTo, Blockchain Verification>
+<Cryptocurrency Exchange, connectedTo, KYC Validation>
+<Cryptocurrency Exchange, connectedTo, Underwriting>
+<Customer Onboarding, connectedTo, Market Analysis>
+<Customer Onboarding, connectedTo, Treasury Management>
+<Financial Reporting, connectedTo, Approval Decision>
+<Financial Reporting, connectedTo, IPO Launch>
+<Fund Disbursement, connectedTo, Financial Reporting>
+<IPO Launch, connectedTo, Portfolio Management>
+<Income Verification, connectedTo, KYC Validation>
+<Investment Planning, connectedTo, Fund Disbursement>
+<KYC Validation, connectedTo, Investment Planning>
+<KYC Validation, connectedTo, Underwriting>
+<Market Analysis, connectedTo, Cryptocurrency Exchange>
+<Market Analysis, connectedTo, Financial Reporting>
+<Market Analysis, connectedTo, IPO Launch>
+<Market Analysis, connectedTo, KYC Validation>
+<Market Analysis, connectedTo, Underwriting>
+<Payment Gateway Integration, connectedTo, Transaction Audit>
+<Risk Assessment, connectedTo, Securities Trading>
+<Securities Trading, connectedTo, Asset Management>
+<Transaction Audit, connectedTo, Income Verification>
+<Treasury Management, connectedTo, Payment Gateway Integration>
+<Underwriting, connectedTo, Financial Reporting>
+<Underwriting, connectedTo, IPO Launch>
diff --git a/test/diagrams/scanned_easy/diagrams_242.txt b/test/diagrams/scanned_easy/diagrams_242.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ef31d8cd3415287237e2570f7c23037786336910
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_242.txt
@@ -0,0 +1,27 @@
+<Anesthesia Administration, connectedTo, Follow_up>
+<Device Implantation, connectedTo, Vaccination>
+<Diagnosis, connectedTo, Follow_up>
+<Diagnosis, connectedTo, Patient Intake>
+<Diagnosis, connectedTo, Pharmacy Order>
+<Emergency Response, connectedTo, Anesthesia Administration>
+<Epidemiological Tracking, connectedTo, Symptom Monitoring>
+<Follow_up, connectedTo, Medication Dispensing>
+<Follow_up, connectedTo, Pharmacy Order>
+<Follow_up, connectedTo, Symptom Monitoring>
+<Follow_up, connectedTo, Vaccination>
+<Follow_up, responds, Pharmacy Order>
+<Follow_up, surveys, Patient Intake>
+<Imaging Scan, connectedTo, Device Implantation>
+<Medical History, connectedTo, Patient Intake>
+<Medical History, transports, Diagnosis>
+<Medication Dispensing, connectedTo, Patient Intake>
+<Mental Health Assessment, connectedTo, Physical Examination>
+<Patient Intake, connectedTo, Epidemiological Tracking>
+<Patient Intake, connectedTo, Pharmacy Order>
+<Pharmacy Order, connectedTo, Vaccination>
+<Physical Examination, connectedTo, Imaging Scan>
+<Symptom Monitoring, connectedTo, Pharmacy Order>
+<Triage, connectedTo, Emergency Response>
+<Triage, connectedTo, Mental Health Assessment>
+<Triage, connectedTo, Telemedicine Consultation>
+<Vaccination, connectedTo, Triage>
diff --git a/test/diagrams/scanned_easy/diagrams_244.dot b/test/diagrams/scanned_easy/diagrams_244.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5c90bc8bb39a38a921e88c73872642194b6e9f64
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_244.dot
@@ -0,0 +1,63 @@
+digraph {
+	rankdir=RL
+	N0 [label="Career Services" color="#BDAFA8" fillcolor="#E4E0DF" shape=inputoutput style=filled]
+	N1 [label="Research Grant Application" color="#A1887F" fillcolor="#EFEBE9" shape=rectangle style=filled]
+	N2 [label="Special Education Support" color="#FFCC7A" fillcolor="#FFF6D9" shape=vnode_shape style=filled]
+	N3 [label="Student Application" color="#A1887F" fillcolor="#EFEBE9" shape=rectangle style=filled]
+	N4 [label="Study Abroad Program" color="#A1887F" fillcolor="#EFEBE9" shape=parallelogram style=filled]
+	N5 [label="Faculty Recruitment" color="#FFCC7A" fillcolor="#FFF6D9" shape=inputoutput style=filled]
+	N6 [label="Field Trip Coordination" color="#A1887F" fillcolor="#EFEBE9" shape=action style=filled]
+	N7 [label="Alumni Network Management" color="#BDAFA8" fillcolor="#E4E0DF" shape=multipledocuments style=filled]
+	N8 [label="Document Verification" color="#FFCC7A" fillcolor="#FFF6D9" shape=database style=filled]
+	S0 [label="" color="#A1887F" fillcolor="#EFEBE9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#FFCC7A" fillcolor="#FFF6D9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#A1887F" fillcolor="#EFEBE9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#FFCC7A" fillcolor="#FFF6D9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Assignment Submission {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Assignment Submission"
+		nest0_0 [label="Certificate Issuance" color="#FFCC7A" fillcolor="#FFF6D9" shape=multipledocuments style=filled]
+		nest0_1 [label="Scholarship Evaluation" color="#FFCC7A" fillcolor="#FFF6D9" shape=inputoutput style=filled]
+		nest0_2 [label="Digital Resource Management" color="#BDAFA8" fillcolor="#E4E0DF" shape=document style=filled]
+	}
+	subgraph cluster_Transcript Issuance {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Transcript Issuance"
+		nest1_0 [label="Course Material Preparation" color="#BDAFA8" fillcolor="#E4E0DF" shape=document style=filled]
+		nest1_1 [label="Peer Tutoring" color="#A1887F" fillcolor="#EFEBE9" shape=rectangle style=filled]
+		nest1_2 [label="Academic Review" color="#BDAFA8" fillcolor="#E4E0DF" shape=action style=filled]
+	}
+	N0 -> N1 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#BDAFA8" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#BDAFA8" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#A1887F" penwidth=1.5 style=dashed label="registers" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#FFCC7A" penwidth=1.5 style=dashed label="researches" dir=forward]
+	N4 -> nest0_0 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest1_0 -> nest1_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest1_1 -> nest1_2 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N4 -> nest1_0 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	nest1_2 -> N3 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N5 -> S0 [color="#BDAFA8" penwidth=1.5 style=solid dir=forward]
+	S0 -> N7 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	S0 -> N8 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	N3 -> S1 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	S1 -> N8 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N5 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	N1 -> S2 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	S2 -> N4 [color="#FFCC7A" penwidth=1.5 style=dashed label="plans" dir=forward]
+	S2 -> N8 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> M1 [color="#A1887F" penwidth=1.5 style=dashed label="awards" dir=forward]
+	N1 -> M1 [color="#BDAFA8" penwidth=1.5 style=dashed dir=forward]
+	N6 -> M1 [color="#A1887F" penwidth=1.5 style=solid label="integrates" dir=forward]
+	M1 -> N8 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_245.dot b/test/diagrams/scanned_easy/diagrams_245.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a9eb1fefe51863129e044e69d51afe266839c658
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_245.dot
@@ -0,0 +1,78 @@
+digraph {
+	rankdir=TB
+	N0 [label="Social Media Integration" color="#CD8FF2" fillcolor="#ECCFF5" shape=rectangle style=filled]
+	N1 [label="Supplier Onboarding" color="#5C6BC0" fillcolor="#E8EAF6" shape=rectangle style=filled]
+	N2 [label="Delivery Rescheduling" color="#CD8FF2" fillcolor="#ECCFF5" shape=vnode_shape style=filled]
+	N3 [label="Payment" color="#8C9EFF" fillcolor="#D3D7EB" shape=ellipse style=filled]
+	N4 [label="Return Merchandise Authorization" color="#CD8FF2" fillcolor="#ECCFF5" shape=predefinedprocess style=filled]
+	N5 [label="Checkout" color="#CD8FF2" fillcolor="#ECCFF5" shape=preparation style=filled]
+	N6 [label="Package Return" color="#5C6BC0" fillcolor="#E8EAF6" shape=preparation style=filled]
+	N7 [label="Shipment" color="#CD8FF2" fillcolor="#ECCFF5" shape=predefinedprocess style=filled]
+	N8 [label="Promotion Application" color="#CD8FF2" fillcolor="#ECCFF5" shape=action style=filled]
+	N9 [label="Affiliate Marketing" color="#8C9EFF" fillcolor="#D3D7EB" shape=multipledocuments style=filled]
+	N10 [label="Invoice Generation" color="#5C6BC0" fillcolor="#E8EAF6" shape=hexagon style=filled]
+	N11 [label="Cross_selling Recommendation" color="#5C6BC0" fillcolor="#E8EAF6" shape=document style=filled]
+	N12 [label="Warehouse Management" color="#5C6BC0" fillcolor="#E8EAF6" shape=multipledocuments style=filled]
+	N13 [label="Cart Abandonment" color="#CD8FF2" fillcolor="#ECCFF5" shape=preparation style=filled]
+	N14 [label="Refund Process" color="#5C6BC0" fillcolor="#E8EAF6" shape=rectangle style=filled]
+	S0 [label="" color="#5C6BC0" fillcolor="#E8EAF6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#8C9EFF" fillcolor="#D3D7EB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#8C9EFF" fillcolor="#D3D7EB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#8C9EFF" fillcolor="#D3D7EB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M2 [label="" color="#8C9EFF" fillcolor="#D3D7EB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_A or B Testing {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="A or B Testing"
+		nest0_0 [label="Customer Segmentation" color="#CD8FF2" fillcolor="#ECCFF5" shape=multipledocuments style=filled]
+		nest0_1 [label="Mobile App Interaction" color="#CD8FF2" fillcolor="#ECCFF5" shape=vnode_shape style=filled]
+	}
+	subgraph cluster_Customer Review {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Customer Review"
+		nest1_0 [label="Inventory Update" color="#8C9EFF" fillcolor="#D3D7EB" shape=rect style=filled]
+		nest1_1 [label="Payment Gateway Reconciliation" color="#5C6BC0" fillcolor="#E8EAF6" shape=database style=filled]
+		nest1_2 [label="Delivery Tracking" color="#CD8FF2" fillcolor="#ECCFF5" shape=rect style=filled]
+		nest1_3 [label="User Account Management" color="#5C6BC0" fillcolor="#E8EAF6" shape=vnode_shape style=filled]
+	}
+	N0 -> N1 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="compares" dir=forward]
+	N2 -> N3 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="confirms" dir=forward]
+	N4 -> N5 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#5C6BC0" penwidth=1.5 style=dashed label="personalizes" dir=forward]
+	N7 -> N8 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	N11 -> N12 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	N12 -> N13 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N13 -> N14 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	N9 -> nest0_0 [color="#8C9EFF" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> N13 [color="#8C9EFF" penwidth=1.5 style=solid dir=forward]
+	nest1_0 -> nest1_1 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	nest1_1 -> nest1_2 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	nest1_2 -> nest1_3 [color="#5C6BC0" penwidth=1.5 style=solid label="inventories" dir=forward]
+	N4 -> nest1_0 [color="#8C9EFF" penwidth=1.5 style=solid label="browses" dir=forward]
+	nest1_3 -> N7 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+	N7 -> S0 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	S0 -> N10 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N12 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	S0 -> N14 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N8 -> S1 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N11 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	S1 -> N13 [color="#8C9EFF" penwidth=1.5 style=solid dir=forward]
+	N10 -> S2 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	S2 -> N13 [color="#8C9EFF" penwidth=1.5 style=solid dir=forward]
+	S2 -> N12 [color="#8C9EFF" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> M0 [color="#8C9EFF" penwidth=1.5 style=dashed label="adjusts" dir=forward]
+	N9 -> M0 [color="#5C6BC0" penwidth=1.5 style=solid dir=forward]
+	M0 -> N13 [color="#5C6BC0" penwidth=1.5 style=dashed dir=forward]
+	N9 -> M2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> M2 [color="#CD8FF2" penwidth=1.5 style=solid label="secures" dir=forward]
+	M2 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_247.txt b/test/diagrams/scanned_easy/diagrams_247.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1ade869a4ce461240041952ff723aa755ddab07e
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_247.txt
@@ -0,0 +1,27 @@
+<Alert Dispatch, connectedTo, Cybersecurity for Grid>
+<Alert Dispatch, connectedTo, Hydropower Generation>
+<Alert Dispatch, connectedTo, Nuclear Reactor Control>
+<Alert Dispatch, connectedTo, Sensor Reading>
+<Consumption Logging, connectedTo, Voltage Regulation>
+<Cybersecurity for Grid, connectedTo, Sensor Reading>
+<Fuel Delivery, connectedTo, Grid Balancing>
+<Grid Balancing, connectedTo, Power Plant>
+<Grid Modernization, connectedTo, Alert Dispatch>
+<Hydropower Generation, detects, Nuclear Reactor Control>
+<Load Distribution, connectedTo, Cybersecurity for Grid>
+<Load Distribution, connectedTo, Grid Modernization>
+<Load Distribution, connectedTo, Power Purchase>
+<Nuclear Reactor Control, connectedTo, Cybersecurity for Grid>
+<Outage Detection, connectedTo, Sensor Reading>
+<Power Plant, connectedTo, Fuel Delivery>
+<Power Plant, connectedTo, Load Distribution>
+<Sensor Reading, connectedTo, Power Purchase>
+<Sensor Reading, connectedTo, Usage Billing>
+<Transformer Station, connectedTo, Wind Turbine Monitoring>
+<Usage Billing, connectedTo, Outage Detection>
+<Voltage Regulation, connectedTo, Transformer Station>
+<Wind Turbine Monitoring, connectedTo, Grid Modernization>
+<Wind Turbine Monitoring, connectedTo, Hydropower Generation>
+<Wind Turbine Monitoring, connectedTo, Load Distribution>
+<Wind Turbine Monitoring, connectedTo, Power Plant>
+<Wind Turbine Monitoring, connectedTo, Sensor Reading>
diff --git a/test/diagrams/scanned_easy/diagrams_248.txt b/test/diagrams/scanned_easy/diagrams_248.txt
new file mode 100644
index 0000000000000000000000000000000000000000..53430e3c56b77a358005d3e25fe1a97cfb97fe13
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_248.txt
@@ -0,0 +1,33 @@
+<Appeal Submission, connectedTo, Case Filing>
+<Bail Hearing, connectedTo, Enforcement>
+<Bail Hearing, negotiates, Copyright Infringement>
+<Bankruptcy Filing, connectedTo, Jury Selection>
+<Case Filing, connectedTo, Estate Planning>
+<Child Custody, connectedTo, Discovery Process>
+<Contract Review, connectedTo, Child Custody>
+<Copyright Infringement, connectedTo, Appeal Submission>
+<Copyright Infringement, connectedTo, Contract Review>
+<Discovery Process, connectedTo, Patent Application>
+<Enforcement, arbitrates, Copyright Infringement>
+<Enforcement, connectedTo, Appeal Submission>
+<Enforcement, connectedTo, Child Custody>
+<Enforcement, connectedTo, Intel Property Licensing>
+<Enforcement, connectedTo, Jury Selection>
+<Enforcement, connectedTo, Plea Bargain>
+<Estate Planning, connectedTo, Plea Bargain>
+<Estate Planning, connectedTo, Regulatory Compliance Review>
+<Evidence Collection, connectedTo, Bankruptcy Filing>
+<Immigration Petition, documents, Pre_Trial Hearing>
+<Intel Property Licensing, connectedTo, Copyright Infringement>
+<Intel Property Licensing, connectedTo, Discovery Process>
+<Intel Property Licensing, connectedTo, Estate Planning>
+<Intel Property Licensing, connectedTo, Patent Application>
+<Jury Selection, connectedTo, Copyright Infringement>
+<Jury Selection, connectedTo, Intel Property Licensing>
+<Patent Application, connectedTo, Immigration Petition>
+<Patent Application, drafts, Appeal Submission>
+<Plea Bargain, connectedTo, Court Order Execution>
+<Pre_Trial Hearing, connectedTo, Pro Bono Work>
+<Pro Bono Work, connectedTo, Plea Bargain>
+<Regulatory Compliance Review, connectedTo, Trial Session>
+<Trial Session, connectedTo, Evidence Collection>
diff --git a/test/diagrams/scanned_easy/diagrams_249.txt b/test/diagrams/scanned_easy/diagrams_249.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2f9a3c46d705f9d84e846094c41082cdf3780986
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_249.txt
@@ -0,0 +1,38 @@
+<Barcode Scanning, connectedTo, Warehouse Entry>
+<Cargo Tracking, connectedTo, Barcode Scanning>
+<Cargo Tracking, connectedTo, Deconsolidation>
+<Cargo Tracking, connectedTo, Driver Check_in>
+<Cargo Tracking, connectedTo, Vehicle Loading>
+<Cargo Tracking, connectedTo, Warehouse Entry>
+<Cargo Tracking, verifies, Hazardous Material Transport>
+<Cold Chain Management, connectedTo, Global Trade Compliance>
+<Cold Chain Management, connectedTo, Inventory Sync>
+<Cold Chain Management, connectedTo, Sorting Center>
+<Cold Chain Management, connectedTo, Warehouse Entry>
+<Deconsolidation, connectedTo, Order Picking>
+<Delay Notification, distributes, Route Assignment>
+<Delivery Confirmation, connectedTo, Return Logistics>
+<Fleet Maintenance Scheduling, connectedTo, Delay Notification>
+<Global Trade Compliance, connectedTo, Inventory Sync>
+<Global Trade Compliance, connectedTo, Warehouse Entry>
+<Global Trade Compliance, connectedTo, Yard Management>
+<Hazardous Material Transport, connectedTo, Cold Chain Management>
+<Hazardous Material Transport, connectedTo, Global Trade Compliance>
+<Hazardous Material Transport, connectedTo, Last_mile Dispatch>
+<Hazardous Material Transport, connectedTo, Packing Process>
+<Hazardous Material Transport, connectedTo, Warehouse Entry>
+<Hazardous Material Transport, optimizes, Inventory Sync>
+<Inventory Sync, connectedTo, Fleet Maintenance Scheduling>
+<Inventory Sync, connectedTo, Sorting Center>
+<Last_mile Dispatch, connectedTo, Vehicle Loading>
+<Order Picking, connectedTo, Last_mile Dispatch>
+<Packing Process, automates, Barcode Scanning>
+<Packing Process, stacks, Sorting Center>
+<Pallet Stacking, insures, Delivery Confirmation>
+<Return Logistics, connectedTo, Last_mile Dispatch>
+<Route Assignment, connectedTo, Barcode Scanning>
+<Sorting Center, connectedTo, Deconsolidation>
+<Sorting Center, connectedTo, Pallet Stacking>
+<Vehicle Loading, secures, Driver Check_in>
+<Warehouse Entry, connectedTo, Inventory Sync>
+<Yard Management, analyzes, Packing Process>
diff --git a/test/diagrams/scanned_easy/diagrams_25.txt b/test/diagrams/scanned_easy/diagrams_25.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d66b5cae3ccdf6c565128af4248c4a738c26fb38
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_25.txt
@@ -0,0 +1,13 @@
+<Biosafety Protocol, connectedTo, Tissue Engineering>
+<Clinical Trial Design, educates, Data Management and Analysis>
+<Computational Biology Modeling, ferments, Genomic Editing>
+<Data Management and Analysis, connectedTo, Protein Engineering>
+<Data Management and Analysis, connectedTo, Synthetic Biology Design>
+<Drug Discovery, connectedTo, Gene Sequencing>
+<Gene Sequencing, connectedTo, Computational Biology Modeling>
+<Gene Sequencing, produces, Vaccine Development>
+<Genomic Editing, simulates, Quality Control>
+<Protein Engineering, researches, Vaccine Development>
+<Synthetic Biology Design, connectedTo, Drug Discovery>
+<Tissue Engineering, connectedTo, Protein Engineering>
+<Vaccine Development, purifies, Clinical Trial Design>
diff --git a/test/diagrams/scanned_easy/diagrams_250.txt b/test/diagrams/scanned_easy/diagrams_250.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4536385f344c73986d1a65c343fcbdf27007f596
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_250.txt
@@ -0,0 +1,31 @@
+<Antenna Maintenance, connectedTo, Billing Inquiry>
+<Bandwidth Allocation, connectedTo, Antenna Maintenance>
+<Bandwidth Allocation, connectedTo, Call Recording>
+<Bandwidth Allocation, connectedTo, MMS Transmission>
+<Bandwidth Allocation, connectedTo, Mobile Top_up>
+<Base Station Installation, connectedTo, Data Usage Logging>
+<Bill Generation, connectedTo, Mobile Top_up>
+<Bill Generation, connectedTo, Outage Detection>
+<Billing Inquiry, connectedTo, Customer Support>
+<Billing Inquiry, connectedTo, MMS Transmission>
+<Billing Inquiry, connectedTo, Mobile Top_up>
+<Billing Inquiry, connectedTo, Plan Suspension>
+<Call Recording, connectedTo, IoT Device Connection>
+<Customer Support, connectedTo, Mobile Top_up>
+<Data Usage Logging, connectedTo, Network Upgrade>
+<Fiber Optic Deployment, connectedTo, Bandwidth Allocation>
+<Fiber Optic Deployment, connectedTo, Billing Inquiry>
+<IoT Device Connection, connectedTo, Plan Renewal>
+<IoT Device Connection, connectedTo, Service Activation Request>
+<Mobile Top_up, connectedTo, MMS Transmission>
+<Network Upgrade, complains, Bandwidth Allocation>
+<Outage Detection, connectedTo, Billing Inquiry>
+<Outage Detection, connectedTo, SIM Registration>
+<Plan Renewal, connectedTo, Antenna Maintenance>
+<Plan Suspension, alerts, Mobile Top_up>
+<Plan Suspension, connectedTo, Customer Support>
+<SIM Registration, connectedTo, Fiber Optic Deployment>
+<SIM Registration, connectedTo, VoIP Service>
+<Service Activation Request, connectedTo, Base Station Installation>
+<Troubleshooting Guide, connectedTo, MMS Transmission>
+<VoIP Service, audits, Troubleshooting Guide>
diff --git a/test/diagrams/scanned_easy/diagrams_251.dot b/test/diagrams/scanned_easy/diagrams_251.dot
new file mode 100644
index 0000000000000000000000000000000000000000..89b4add82e12734ee4a52dc805731461fceceb1f
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_251.dot
@@ -0,0 +1,67 @@
+digraph {
+	rankdir=LR
+	N0 [label="Equipment Repair" color="#FFA726" fillcolor="#FFF3E0" shape=document style=filled]
+	N1 [label="Harvesting" color="#FFA726" fillcolor="#FFF3E0" shape=predefinedprocess style=filled]
+	N2 [label="Organic Certification" color="#FBC02D" fillcolor="#FFFDE7" shape=inputoutput style=filled]
+	N3 [label="Greenhouse Control" color="#FBC02D" fillcolor="#FFFDE7" shape=vnode_shape style=filled]
+	N4 [label="Soil Nutrient Management" color="#E0E0E0" fillcolor="#EBEBEB" shape=parallelogram style=filled]
+	N5 [label="Aquaculture Farming" color="#FBC02D" fillcolor="#FFFDE7" shape=inputoutput style=filled]
+	N6 [label="Seed Sowing" color="#E0E0E0" fillcolor="#EBEBEB" shape=hexagon style=filled]
+	N7 [label="Agricultural Research" color="#FBC02D" fillcolor="#FFFDE7" shape=rect style=filled]
+	N8 [label="Precision Farming" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N9 [label="Produce Sorting" color="#E0E0E0" fillcolor="#EBEBEB" shape=parallelogram style=filled]
+	S0 [label="" color="#E0E0E0" fillcolor="#EBEBEB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#E0E0E0" fillcolor="#EBEBEB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#E0E0E0" fillcolor="#EBEBEB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#E0E0E0" fillcolor="#EBEBEB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#FBC02D" fillcolor="#FFFDE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Livestock Feeding {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Livestock Feeding"
+		nest0_0 [label="Market Transportation" color="#E0E0E0" fillcolor="#EBEBEB" shape=parallelogram style=filled]
+		nest0_1 [label="Weed Removal" color="#FBC02D" fillcolor="#FFFDE7" shape=vnode_shape style=filled]
+		nest0_2 [label="Animal Health Monitoring" color="#FFA726" fillcolor="#FFF3E0" shape=diamond style=filled]
+	}
+	subgraph cluster_Farm Machinery Operation {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Farm Machinery Operation"
+		nest1_0 [label="Seedling Transplanting" color="#FBC02D" fillcolor="#FFFDE7" shape=parallelogram style=filled]
+		nest1_1 [label="Crop Monitoring" color="#FBC02D" fillcolor="#FFFDE7" shape=document style=filled]
+		nest1_2 [label="Disease Detection" color="#FFA726" fillcolor="#FFF3E0" shape=database style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFA726" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	N2 -> nest0_0 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N7 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	nest1_0 -> nest1_1 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	nest1_1 -> nest1_2 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N4 -> nest1_0 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	nest1_2 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> S0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N9 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> S1 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	S1 -> N8 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N9 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	N3 -> S2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S2 -> N8 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	S2 -> N9 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M0 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	N0 -> M0 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	M0 -> N4 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M1 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M1 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M1 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N4 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_252.txt b/test/diagrams/scanned_easy/diagrams_252.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0bed15efd59c055c5cb7855cd23016292b58d21e
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_252.txt
@@ -0,0 +1,35 @@
+<Adventure Sports Booking, connectedTo, Group Tour Coordination>
+<Adventure Sports Booking, connectedTo, Visa Application>
+<Airport Transfer, connectedTo, Spa Appointment>
+<Booking Modification, connectedTo, Loyalty Program Enrollment>
+<Booking Modification, connectedTo, Trip Sharing>
+<Cruise Ship Boarding, connectedTo, Flight Booking>
+<Custom Tour Package Creation, connectedTo, Hotel Check_in>
+<Custom Tour Package Creation, connectedTo, Museum Visit>
+<Duty_Free Shopping, accommodates, Event Reservation>
+<Duty_Free Shopping, connectedTo, Adventure Sports Booking>
+<Duty_Free Shopping, connectedTo, Cultural Immersion Program>
+<Event Reservation, applies, Museum Visit>
+<Flight Booking, connectedTo, Event Reservation>
+<Group Tour Coordination, connectedTo, Restaurant Reservation>
+<Hotel Check_in, connectedTo, Tour Guide Assignment>
+<Local Transport, connectedTo, Group Tour Coordination>
+<Lost and Found Service, connectedTo, Museum Visit>
+<Lost and Found Service, connectedTo, Rental Car Pickup>
+<Lost and Found Service, connectedTo, Tour Guide Assignment>
+<Lost and Found Service, sells, Group Tour Coordination>
+<Loyalty Program Enrollment, connectedTo, Custom Tour Package Creation>
+<Loyalty Program Enrollment, connectedTo, Museum Visit>
+<Loyalty Program Enrollment, connectedTo, Travel Advisory Updates>
+<Museum Visit, connectedTo, Airport Transfer>
+<Passport Renewal Assistance, assists, Airport Transfer>
+<Rental Car Pickup, connectedTo, Loyalty Program Enrollment>
+<Restaurant Reservation, connectedTo, Airport Transfer>
+<Restaurant Reservation, connectedTo, Museum Visit>
+<Restaurant Reservation, secures, Cruise Ship Boarding>
+<Spa Appointment, connectedTo, Cultural Immersion Program>
+<Tour Guide Assignment, connectedTo, Duty_Free Shopping>
+<Travel Advisory Updates, connectedTo, Passport Renewal Assistance>
+<Trip Sharing, connectedTo, Lost and Found Service>
+<Trip Sharing, connectedTo, Loyalty Program Enrollment>
+<Visa Application, exchanges, Local Transport>
diff --git a/test/diagrams/scanned_easy/diagrams_253.txt b/test/diagrams/scanned_easy/diagrams_253.txt
new file mode 100644
index 0000000000000000000000000000000000000000..500599b1e718109e1162885d7d5bb11a21c040ae
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_253.txt
@@ -0,0 +1,41 @@
+<Building Permit Application, advises, Zoning Compliance>
+<Building Permit Application, connectedTo, Mortgage Application Assistance>
+<Building Permit Application, connectedTo, Open House Event>
+<Building Permit Application, connectedTo, Rental Agreement>
+<Building Permit Application, connectedTo, Tax Assessment>
+<Building Permit Application, connectedTo, Tenant Screening>
+<Building Permit Application, connectedTo, Zoning Compliance>
+<Eviction Process, connectedTo, Investment Property Analysis>
+<Eviction Process, connectedTo, Loan Pre_Approval>
+<Eviction Process, connectedTo, Mortgage Application Assistance>
+<Eviction Process, connectedTo, Renovation Planning>
+<Eviction Process, connectedTo, Tenant Screening>
+<Investment Property Analysis, connectedTo, Building Permit Application>
+<Land Acquisition, connectedTo, Investment Property Analysis>
+<Land Acquisition, connectedTo, Property Appraisal>
+<Land Acquisition, connectedTo, Tax Assessment>
+<Land Acquisition, connectedTo, Zoning Compliance>
+<Lease Renewal, connectedTo, Renovation Planning>
+<Lease Renewal, connectedTo, Tax Assessment>
+<Legal Verification, connectedTo, Eviction Process>
+<Loan Pre_Approval, connectedTo, Mortgage Application Assistance>
+<Maintenance Request, connectedTo, Virtual Tour Creation>
+<Mortgage Application Assistance, connectedTo, Property Listing>
+<Mortgage Application Assistance, connectedTo, Virtual Tour Creation>
+<Open House Event, constructs, Property Tax Payment>
+<Property Appraisal, connectedTo, Eviction Process>
+<Property Appraisal, connectedTo, Investment Property Analysis>
+<Property Appraisal, zones, Zoning Compliance>
+<Property Listing, connectedTo, Title Check>
+<Property Marketing, finalizes, Maintenance Request>
+<Property Tax Payment, markets, Legal Verification>
+<Renovation Planning, connectedTo, Tax Assessment>
+<Rental Agreement, connectedTo, Site Visit Scheduling>
+<Rental Agreement, connectedTo, Zoning Compliance>
+<Site Visit Scheduling, approves, Zoning Compliance>
+<Tax Assessment, connectedTo, Tenant Screening>
+<Tenant Screening, connectedTo, Loan Pre_Approval>
+<Title Check, connectedTo, Property Marketing>
+<Virtual Tour Creation, sells, Brokerage License Renewal>
+<Zoning Compliance, connectedTo, Lease Renewal>
+<Zoning Compliance, connectedTo, Tax Assessment>
diff --git a/test/diagrams/scanned_easy/diagrams_254.txt b/test/diagrams/scanned_easy/diagrams_254.txt
new file mode 100644
index 0000000000000000000000000000000000000000..75fcd9864de40f84550ba4f7277693254c660122
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_254.txt
@@ -0,0 +1,33 @@
+<Bomb Disposal, connectedTo, Border Security>
+<Bomb Disposal, connectedTo, Crime Scene Analysis>
+<Bomb Disposal, connectedTo, Incident Reporting>
+<Bomb Disposal, connectedTo, Responder Alert>
+<Border Security, connectedTo, Crime Scene Analysis>
+<Border Security, connectedTo, Emergency Dispatch>
+<Community Outreach, connectedTo, Bomb Disposal>
+<Community Outreach, connectedTo, Evidence Collection>
+<Court Testimony, connectedTo, SWAT Team Activation>
+<Crime Scene Analysis, connectedTo, Evidence Collection>
+<Disaster Relief Coordination, connectedTo, Community Outreach>
+<Emergency Dispatch, connectedTo, Resource Allocation>
+<Emergency Dispatch, connectedTo, Threat Assessment>
+<Emergency Medical Service, connectedTo, Hazard Detection>
+<Evacuation Planning, connectedTo, Emergency Medical Service>
+<Evacuation Planning, connectedTo, Fire Suppression>
+<Evidence Collection, connectedTo, Incident Command System Activation>
+<Fire Suppression, connectedTo, Court Testimony>
+<Fire Suppression, connectedTo, Evidence Collection>
+<Forensic Analysis, connectedTo, Incident Reporting>
+<Hazard Detection, connectedTo, Law Enforcement Database Check>
+<Incident Reporting, connectedTo, Crime Scene Analysis>
+<K9 Unit Deployment, connectedTo, Law Enforcement Database Check>
+<Law Enforcement Database Check, connectedTo, Border Security>
+<Law Enforcement Database Check, connectedTo, Evidence Collection>
+<Law Enforcement Database Check, connectedTo, Incident Reporting>
+<Law Enforcement Database Check, equips, Crime Scene Analysis>
+<Resource Allocation, connectedTo, K9 Unit Deployment>
+<Responder Alert, reports, Shelter Setup>
+<SWAT Team Activation, connectedTo, Disaster Relief Coordination>
+<Shelter Setup, connectedTo, Law Enforcement Database Check>
+<Threat Assessment, connectedTo, Forensic Analysis>
+<Victim Support Services, connectedTo, Evacuation Planning>
diff --git a/test/diagrams/scanned_easy/diagrams_256.txt b/test/diagrams/scanned_easy/diagrams_256.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f4abe058d84c4634bd2118ba1eb262c3942420bb
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_256.txt
@@ -0,0 +1,27 @@
+<Air Quality Monitoring, connectedTo, Climate Modeling>
+<Biodiversity Conservation, connectedTo, Air Quality Monitoring>
+<Climate Modeling, connectedTo, Public Awareness Campaign>
+<Coastal Erosion Control, connectedTo, Biodiversity Conservation>
+<Coastal Erosion Control, connectedTo, Groundwater Monitoring>
+<Coastal Erosion Control, connectedTo, Waste Collection>
+<Environmental Research, connectedTo, Hazardous Material Handling>
+<Environmental Research, connectedTo, Water Sampling>
+<Groundwater Monitoring, connectedTo, Public Awareness Campaign>
+<Groundwater Monitoring, connectedTo, Sustainable Agriculture Practices>
+<Hazardous Material Handling, connectedTo, Renewable Energy Grid Integration>
+<Policy Advocacy, connectedTo, Groundwater Monitoring>
+<Renewable Energy Grid Integration, connectedTo, Coastal Erosion Control>
+<Renewable Energy Grid Integration, connectedTo, Public Awareness Campaign>
+<Resource Recovery, advocates, Environmental Research>
+<Resource Recovery, connectedTo, Coastal Erosion Control>
+<Resource Recovery, connectedTo, Groundwater Monitoring>
+<Resource Recovery, connectedTo, Hazardous Material Handling>
+<Resource Recovery, connectedTo, Public Awareness Campaign>
+<Resource Recovery, connectedTo, Renewable Energy Grid Integration>
+<Species Reintroduction, connectedTo, Policy Advocacy>
+<Sustainable Agriculture Practices, connectedTo, Climate Modeling>
+<Waste Collection, connectedTo, Species Reintroduction>
+<Water Sampling, connectedTo, Climate Modeling>
+<Water Sampling, connectedTo, Coastal Erosion Control>
+<Water Sampling, connectedTo, Hazardous Material Handling>
+<Water Sampling, connectedTo, Renewable Energy Grid Integration>
diff --git a/test/diagrams/scanned_easy/diagrams_257.dot b/test/diagrams/scanned_easy/diagrams_257.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f3dc42a94cf57b9b4ad00f3808b761e9857b8e16
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_257.dot
@@ -0,0 +1,69 @@
+digraph {
+	rankdir=LR
+	N0 [label="Public Hearing" color="#FF5722" fillcolor="#FFCCBC" shape=rect style=filled]
+	N1 [label="Public Consultation" color="#FF5722" fillcolor="#FFCCBC" shape=preparation style=filled]
+	N2 [label="Passport Issuance" color="#388E3C" fillcolor="#C8E6C9" shape=vnode_shape style=filled]
+	N3 [label="Code Enforcement" color="#B0C5CD" fillcolor="#DFE7EB" shape=hexagon style=filled]
+	N4 [label="ID Verification" color="#B0C5CD" fillcolor="#DFE7EB" shape=parallelogram style=filled]
+	N5 [label="Infrastructure Planning" color="#B0C5CD" fillcolor="#DFE7EB" shape=rectangle style=filled]
+	N6 [label="Budget Allocation" color="#B0C5CD" fillcolor="#DFE7EB" shape=hexagon style=filled]
+	N7 [label="Permit Application" color="#B0C5CD" fillcolor="#DFE7EB" shape=diamond style=filled]
+	N8 [label="Public Health Initiative" color="#FF5722" fillcolor="#FFCCBC" shape=rectangle style=filled]
+	S0 [label="" color="#FF5722" fillcolor="#FFCCBC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#B0C5CD" fillcolor="#DFE7EB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#B0C5CD" fillcolor="#DFE7EB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#B0C5CD" fillcolor="#DFE7EB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#388E3C" fillcolor="#C8E6C9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Election Management {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Election Management"
+		nest0_0 [label="Vehicle Registration" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+		nest0_1 [label="Whistleblower Protection" color="#FF5722" fillcolor="#FFCCBC" shape=diamond style=filled]
+	}
+	subgraph cluster_Legal Advisory {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Legal Advisory"
+		nest1_0 [label="Border Control" color="#FF5722" fillcolor="#FFCCBC" shape=vnode_shape style=filled]
+		nest1_1 [label="Public Works Maintenance" color="#388E3C" fillcolor="#C8E6C9" shape=predefinedprocess style=filled]
+		nest1_2 [label="Diplomatic Negotiation" color="#B0C5CD" fillcolor="#DFE7EB" shape=box style=filled]
+		nest1_3 [label="Veterans Affairs" color="#388E3C" fillcolor="#C8E6C9" shape=database style=filled]
+	}
+	N0 -> N1 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N6 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N2 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	nest1_0 -> nest1_1 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	nest1_1 -> nest1_2 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	nest1_2 -> nest1_3 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	N2 -> nest1_0 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	nest1_3 -> N2 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N5 -> S0 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N8 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> S1 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N8 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N4 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N1 -> S2 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N3 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S2 -> N4 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N2 -> M0 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N0 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> M0 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	M0 -> N8 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	N5 -> M1 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N3 -> M1 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> M1 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	M1 -> N7 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_257.txt b/test/diagrams/scanned_easy/diagrams_257.txt
new file mode 100644
index 0000000000000000000000000000000000000000..01a5ce2e39624f5527f77444562c11dbe0c94194
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_257.txt
@@ -0,0 +1,28 @@
+<Border Control, connectedTo, Public Works Maintenance>
+<Budget Allocation, connectedTo, Permit Application>
+<Budget Allocation, connectedTo, Vehicle Registration>
+<Code Enforcement, connectedTo, ID Verification>
+<Code Enforcement, connectedTo, Permit Application>
+<Diplomatic Negotiation, connectedTo, Veterans Affairs>
+<ID Verification, connectedTo, Infrastructure Planning>
+<ID Verification, connectedTo, Permit Application>
+<ID Verification, connectedTo, Public Health Initiative>
+<Infrastructure Planning, connectedTo, Budget Allocation>
+<Infrastructure Planning, connectedTo, Permit Application>
+<Infrastructure Planning, connectedTo, Public Health Initiative>
+<Passport Issuance, connectedTo, Border Control>
+<Passport Issuance, connectedTo, Code Enforcement>
+<Passport Issuance, connectedTo, Permit Application>
+<Passport Issuance, connectedTo, Public Health Initiative>
+<Permit Application, connectedTo, Public Health Initiative>
+<Public Consultation, connectedTo, Budget Allocation>
+<Public Consultation, connectedTo, Code Enforcement>
+<Public Consultation, connectedTo, ID Verification>
+<Public Consultation, connectedTo, Passport Issuance>
+<Public Consultation, connectedTo, Public Health Initiative>
+<Public Hearing, connectedTo, Public Consultation>
+<Public Hearing, connectedTo, Public Health Initiative>
+<Public Works Maintenance, connectedTo, Diplomatic Negotiation>
+<Vehicle Registration, connectedTo, Whistleblower Protection>
+<Veterans Affairs, connectedTo, Passport Issuance>
+<Whistleblower Protection, connectedTo, Passport Issuance>
diff --git a/test/diagrams/scanned_easy/diagrams_258.dot b/test/diagrams/scanned_easy/diagrams_258.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bad8ff545cd6d14c270bbac361ee6adbded0c5df
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_258.dot
@@ -0,0 +1,78 @@
+digraph {
+	rankdir=BT
+	N0 [label="Payment Processing" color="#E91E63" fillcolor="#FCE4EC" shape=box style=filled]
+	N1 [label="Discount Application" color="#CD8FF2" fillcolor="#ECCFF5" shape=database style=filled]
+	N2 [label="Product Demonstration" color="#E91E63" fillcolor="#FCE4EC" shape=action style=filled]
+	N3 [label="Inventory Check" color="#CD8FF2" fillcolor="#ECCFF5" shape=preparation style=filled]
+	N4 [label="Customer Survey" color="#E91E63" fillcolor="#FCE4EC" shape=predefinedprocess style=filled]
+	N5 [label="E_commerce Platform Integration" color="#CD8FF2" fillcolor="#ECCFF5" shape=rect style=filled]
+	N6 [label="Order Fulfillment" color="#2196F3" fillcolor="#BBDEFB" shape=predefinedprocess style=filled]
+	N7 [label="Seasonal Sales Planning" color="#E91E63" fillcolor="#FCE4EC" shape=rectangle style=filled]
+	N8 [label="Vendor Managed Inventory" color="#CD8FF2" fillcolor="#ECCFF5" shape=inputoutput style=filled]
+	N9 [label="Staff Training" color="#2196F3" fillcolor="#BBDEFB" shape=preparation style=filled]
+	N10 [label="Customer Engagement" color="#CD8FF2" fillcolor="#ECCFF5" shape=multipledocuments style=filled]
+	N11 [label="Shopping Cart Collection" color="#2196F3" fillcolor="#BBDEFB" shape=inputoutput style=filled]
+	N12 [label="Fitting Room Management" color="#2196F3" fillcolor="#BBDEFB" shape=document style=filled]
+	N13 [label="Visual Merchandising" color="#2196F3" fillcolor="#BBDEFB" shape=action style=filled]
+	N14 [label="Gift Wrapping" color="#E91E63" fillcolor="#FCE4EC" shape=vnode_shape style=filled]
+	N15 [label="Warehouse Picking" color="#CD8FF2" fillcolor="#ECCFF5" shape=preparation style=filled]
+	S0 [label="" color="#2196F3" fillcolor="#BBDEFB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#2196F3" fillcolor="#BBDEFB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#2196F3" fillcolor="#BBDEFB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M2 [label="" color="#E91E63" fillcolor="#FCE4EC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Sales Forecasting {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Sales Forecasting"
+		nest0_0 [label="Supplier Payment" color="#2196F3" fillcolor="#BBDEFB" shape=vnode_shape style=filled]
+		nest0_1 [label="Product Listing" color="#2196F3" fillcolor="#BBDEFB" shape=database style=filled]
+		nest0_2 [label="Customer Checkout" color="#CD8FF2" fillcolor="#ECCFF5" shape=preparation style=filled]
+		nest0_3 [label="Complaint Management" color="#CD8FF2" fillcolor="#ECCFF5" shape=rectangle style=filled]
+	}
+	subgraph cluster_Online Order Pickup {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Online Order Pickup"
+		nest1_0 [label="Stock Replenishment" color="#E91E63" fillcolor="#FCE4EC" shape=predefinedprocess style=filled]
+		nest1_1 [label="Daily Report Generation" color="#2196F3" fillcolor="#BBDEFB" shape=vnode_shape style=filled]
+	}
+	N0 -> N1 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#CD8FF2" penwidth=1.5 style=dashed label="tracks" dir=forward]
+	N2 -> N3 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N12 -> N13 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	N13 -> N14 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	N14 -> N15 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> nest0_3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N12 -> nest0_0 [color="#2196F3" penwidth=1.5 style=dashed label="stocks" dir=forward]
+	nest0_3 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest1_0 -> nest1_1 [color="#CD8FF2" penwidth=1.5 style=dashed dir=forward]
+	N1 -> nest1_0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest1_1 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> S0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N10 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N12 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	S0 -> N15 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	S0 -> N8 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	N4 -> S1 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N11 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	S1 -> N6 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N9 -> M1 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M1 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N4 -> M1 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N13 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	N4 -> M2 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M2 [color="#CD8FF2" penwidth=1.5 style=solid dir=forward]
+	M2 -> N15 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_258.txt b/test/diagrams/scanned_easy/diagrams_258.txt
new file mode 100644
index 0000000000000000000000000000000000000000..bd4bd54999300e3d9a823edcfcaa7b14444f8e2d
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_258.txt
@@ -0,0 +1,35 @@
+<Complaint Management, connectedTo, Staff Training>
+<Customer Checkout, connectedTo, Complaint Management>
+<Customer Engagement, connectedTo, Shopping Cart Collection>
+<Customer Survey, connectedTo, E_commerce Platform Integration>
+<Customer Survey, connectedTo, Order Fulfillment>
+<Customer Survey, connectedTo, Seasonal Sales Planning>
+<Customer Survey, connectedTo, Shopping Cart Collection>
+<Customer Survey, connectedTo, Visual Merchandising>
+<Customer Survey, connectedTo, Warehouse Picking>
+<Daily Report Generation, connectedTo, Customer Survey>
+<Discount Application, connectedTo, Stock Replenishment>
+<Discount Application, tracks, Product Demonstration>
+<E_commerce Platform Integration, connectedTo, Customer Engagement>
+<E_commerce Platform Integration, connectedTo, Fitting Room Management>
+<E_commerce Platform Integration, connectedTo, Order Fulfillment>
+<E_commerce Platform Integration, connectedTo, Vendor Managed Inventory>
+<E_commerce Platform Integration, connectedTo, Warehouse Picking>
+<Fitting Room Management, connectedTo, Visual Merchandising>
+<Fitting Room Management, stocks, Supplier Payment>
+<Gift Wrapping, connectedTo, Warehouse Picking>
+<Inventory Check, connectedTo, Customer Survey>
+<Inventory Check, connectedTo, Warehouse Picking>
+<Order Fulfillment, connectedTo, Seasonal Sales Planning>
+<Payment Processing, connectedTo, Discount Application>
+<Payment Processing, connectedTo, Visual Merchandising>
+<Product Demonstration, connectedTo, Inventory Check>
+<Product Listing, connectedTo, Customer Checkout>
+<Seasonal Sales Planning, connectedTo, Vendor Managed Inventory>
+<Shopping Cart Collection, connectedTo, Fitting Room Management>
+<Staff Training, connectedTo, Customer Engagement>
+<Staff Training, connectedTo, Visual Merchandising>
+<Stock Replenishment, connectedTo, Daily Report Generation>
+<Supplier Payment, connectedTo, Product Listing>
+<Vendor Managed Inventory, connectedTo, Staff Training>
+<Visual Merchandising, connectedTo, Gift Wrapping>
diff --git a/test/diagrams/scanned_easy/diagrams_26.txt b/test/diagrams/scanned_easy/diagrams_26.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d8ecf7997419ef1734819274d3486fc855827f51
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_26.txt
@@ -0,0 +1,10 @@
+<Clinical Trial Phases, labels, Drug Stability Testing>
+<Distribution, monitors, Formulation Development>
+<Drug Stability Testing, audits, Supply Chain Management>
+<Drug Stability Testing, transports, Distribution>
+<Formulation Development, connectedTo, Injectable Drug Manufacturing>
+<Global Regulatory Affairs, connectedTo, Clinical Trial Phases>
+<Injectable Drug Manufacturing, researches, Medical Writing>
+<Pharmacovigilance, connectedTo, Supply Chain Management>
+<Solid Dosage Formulation, markets, Pharmacovigilance>
+<Supply Chain Management, connectedTo, Global Regulatory Affairs>
diff --git a/test/diagrams/scanned_easy/diagrams_260.txt b/test/diagrams/scanned_easy/diagrams_260.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3de71788e29533f47d342b13543c7d6e27761378
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_260.txt
@@ -0,0 +1,30 @@
+<Astronaut Training, connectedTo, Flight Simulation>
+<Avionics Installation, connectedTo, Satellite Data Processing>
+<Avionics Installation, connectedTo, System Reboot>
+<Countdown Sequence, connectedTo, Avionics Installation>
+<Countdown Sequence, connectedTo, Propulsion Testing>
+<Drone System Development, connectedTo, Launch Window Calculation>
+<Drone System Development, connectedTo, Orbit Adjustment>
+<Drone System Development, connectedTo, Structural Analysis>
+<Flight Simulation, connectedTo, Telemetry Setup>
+<Ground Station Coordination, connectedTo, Astronaut Training>
+<International Space Station Resupply, connectedTo, Avionics Installation>
+<International Space Station Resupply, connectedTo, Launch Window Calculation>
+<International Space Station Resupply, recovers, System Reboot>
+<Launch Window Calculation, connectedTo, Structural Analysis>
+<Mission Debriefing, connectedTo, Avionics Installation>
+<Mission Debriefing, connectedTo, Flight Simulation>
+<Mission Debriefing, connectedTo, International Space Station Resupply>
+<Payload Integration, connectedTo, Countdown Sequence>
+<Payload Integration, licenses, Flight Simulation>
+<Propulsion Testing, connectedTo, Avionics Installation>
+<Propulsion Testing, connectedTo, International Space Station Resupply>
+<Propulsion Testing, connectedTo, Mission Debriefing>
+<Propulsion Testing, connectedTo, Structural Analysis>
+<Rocket Assembly, connectedTo, Orbit Adjustment>
+<Rocket Stage Separation, connectedTo, Payload Integration>
+<Satellite Data Processing, connectedTo, Rocket Assembly>
+<Structural Analysis, connectedTo, Ground Station Coordination>
+<Structural Analysis, connectedTo, Orbit Adjustment>
+<System Reboot, connectedTo, Flight Simulation>
+<Telemetry Setup, connectedTo, Drone System Development>
diff --git a/test/diagrams/scanned_easy/diagrams_261.dot b/test/diagrams/scanned_easy/diagrams_261.dot
new file mode 100644
index 0000000000000000000000000000000000000000..9bfc233f475af885310a4dae7117efcc6ceab039
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_261.dot
@@ -0,0 +1,70 @@
+digraph {
+	rankdir=BT
+	N0 [label="Third_Party Administrator Liaison" color="#CB9BE1" fillcolor="#F2E6F5" shape=ellipse style=filled]
+	N1 [label="Data Security" color="#CB9BE1" fillcolor="#F2E6F5" shape=database style=filled]
+	N2 [label="Payment Processing" color="#CB9BE1" fillcolor="#F2E6F5" shape=rect style=filled]
+	N3 [label="Life Insurance Underwriting" color="#CB9BE1" fillcolor="#F2E6F5" shape=ellipse style=filled]
+	N4 [label="Business Interruption Coverage" color="#FFCC80" fillcolor="#FFF0CC" shape=inputoutput style=filled]
+	N5 [label="Premium Calculation" color="#FFC085" fillcolor="#FFDAB9" shape=rectangle style=filled]
+	N6 [label="Market Research" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+	N7 [label="Loss Prevention" color="#FFC085" fillcolor="#FFDAB9" shape=box style=filled]
+	N8 [label="Compliance Reporting" color="#FFCC80" fillcolor="#FFF0CC" shape=vnode_shape style=filled]
+	N9 [label="Customer Communication" color="#FFCC80" fillcolor="#FFF0CC" shape=document style=filled]
+	N10 [label="Agent Training" color="#CB9BE1" fillcolor="#F2E6F5" shape=document style=filled]
+	N11 [label="Coverage Review" color="#FFCC80" fillcolor="#FFF0CC" shape=multipledocuments style=filled]
+	N12 [label="Legal Review of Claims" color="#CB9BE1" fillcolor="#F2E6F5" shape=parallelogram style=filled]
+	N13 [label="Broker Management" color="#FFCC80" fillcolor="#FFF0CC" shape=rect style=filled]
+	S0 [label="" color="#FFC085" fillcolor="#FFDAB9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#FFC085" fillcolor="#FFDAB9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFC085" fillcolor="#FFDAB9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#CB9BE1" fillcolor="#F2E6F5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Policy Cancellation {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Policy Cancellation"
+		nest0_0 [label="Cyber Insurance Policy" color="#FFCC80" fillcolor="#FFF0CC" shape=multipledocuments style=filled]
+		nest0_1 [label="Annuity Sales" color="#CB9BE1" fillcolor="#F2E6F5" shape=multipledocuments style=filled]
+		nest0_2 [label="Benefit Payout" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	}
+	subgraph cluster_Healthcare Provider Network Management {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Healthcare Provider Network Management"
+		nest1_0 [label="Claim Adjustment" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+		nest1_1 [label="Policy Issuance" color="#FFCC80" fillcolor="#FFF0CC" shape=preparation style=filled]
+	}
+	N0 -> N1 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	N11 -> N12 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N12 -> N13 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#CB9BE1" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	N11 -> nest0_0 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N10 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	nest1_0 -> nest1_1 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N5 -> nest1_0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest1_1 -> N12 [color="#FFC085" penwidth=1.5 style=dashed label="rejects" dir=forward]
+	N3 -> S0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N13 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N10 -> S1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N13 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N12 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	N6 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M0 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	N2 -> M0 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M0 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N8 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M1 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	N0 -> M1 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N3 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_262.txt b/test/diagrams/scanned_easy/diagrams_262.txt
new file mode 100644
index 0000000000000000000000000000000000000000..31468a04d8f4f557b22cd8f62b6ad61b292b4a0b
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_262.txt
@@ -0,0 +1,29 @@
+<Antivirus Management, connectedTo, Data Loss Prevention>
+<Antivirus Management, connectedTo, Security Policy Development>
+<Data Encryption, connectedTo, DevSecOps Integration>
+<Data Encryption, connectedTo, Digital Forensics>
+<Data Loss Prevention, reports, Security Audit>
+<DevSecOps Integration, connectedTo, Antivirus Management>
+<Digital Forensics, connectedTo, Antivirus Management>
+<Digital Forensics, connectedTo, DevSecOps Integration>
+<Firewall Configuration, connectedTo, Mobile Security>
+<Identity Management, connectedTo, Threat Detection>
+<Mobile Security, connectedTo, DevSecOps Integration>
+<Mobile Security, connectedTo, Physical Security Integration>
+<Network Security, connectedTo, Security Policy Development>
+<Penetration Testing, connectedTo, Supply Chain Security>
+<Physical Security Integration, connectedTo, Antivirus Management>
+<Physical Security Integration, connectedTo, Data Encryption>
+<Physical Security Integration, connectedTo, Digital Forensics>
+<Physical Security Integration, connectedTo, Intrusion Prevention>
+<Physical Security Integration, connectedTo, Security Operations Center Monitoring>
+<Risk Management Framework, connectedTo, Network Security>
+<Security Audit, connectedTo, Supply Chain Security>
+<Security Operations Center Monitoring, connectedTo, Identity Management>
+<Security Operations Center Monitoring, connectedTo, Intrusion Prevention>
+<Security Policy Development, connectedTo, Intrusion Prevention>
+<Security Policy Development, connectedTo, Penetration Testing>
+<Security Policy Development, connectedTo, Security Operations Center Monitoring>
+<Security Policy Development, connectedTo, Supply Chain Security>
+<Supply Chain Security, connectedTo, Security Operations Center Monitoring>
+<Threat Detection, connectedTo, Risk Management Framework>
diff --git a/test/diagrams/scanned_easy/diagrams_264.txt b/test/diagrams/scanned_easy/diagrams_264.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8ec49b96b550495f38b7db1e54e9778178b3def8
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_264.txt
@@ -0,0 +1,33 @@
+<Crowd Management, connectedTo, E_governance Services>
+<Digital Twins of City, connectedTo, Smart Traffic Lights>
+<E_governance Services, connectedTo, Environmental Sensor Network>
+<Energy Grid Management, connectedTo, Smart Building Integration>
+<Environmental Sensor Network, connectedTo, Energy Grid Management>
+<Environmental Sensor Network, connectedTo, Public Transport Tracking>
+<Environmental Sensor Network, connectedTo, Sustainable Resource Management>
+<Green Space Management, connectedTo, Energy Grid Management>
+<Green Space Management, connectedTo, Public Transport Tracking>
+<Green Space Management, connectedTo, Public Wi_Fi Deployment>
+<Noise Pollution Monitoring, tracks, Crowd Management>
+<Public Safety Monitoring, connectedTo, Traffic Flow Optimization>
+<Public Transport Tracking, connectedTo, Energy Grid Management>
+<Public Transport Tracking, connectedTo, Traffic Flow Optimization>
+<Public Transport Tracking, optimizes, Public Safety Monitoring>
+<Public Wi_Fi Deployment, connectedTo, Digital Twins of City>
+<Public Wi_Fi Deployment, connectedTo, E_governance Services>
+<Public Wi_Fi Deployment, connectedTo, Energy Grid Management>
+<Public Wi_Fi Deployment, connectedTo, Smart Traffic Lights>
+<Public Wi_Fi Deployment, connectedTo, Sustainable Resource Management>
+<Public Wi_Fi Deployment, connectedTo, Traffic Flow Optimization>
+<Smart Building Integration, connectedTo, Sustainable Resource Management>
+<Smart Building Integration, connectedTo, Urban Mobility Solutions>
+<Smart Parking, connectedTo, Smart Water Meters>
+<Smart Traffic Lights, connectedTo, Noise Pollution Monitoring>
+<Smart Traffic Lights, connectedTo, Public Safety Monitoring>
+<Smart Water Meters, analyzes, Public Safety Monitoring>
+<Sustainable Resource Management, connectedTo, Digital Twins of City>
+<Sustainable Resource Management, connectedTo, Smart Parking>
+<Urban Mobility Solutions, connectedTo, Sustainable Resource Management>
+<Urban Mobility Solutions, connectedTo, Waste Management Optimization>
+<Waste Management Optimization, connectedTo, Sustainable Resource Management>
+<Water Management System, integrates, Green Space Management>
diff --git a/test/diagrams/scanned_easy/diagrams_266.dot b/test/diagrams/scanned_easy/diagrams_266.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bb86d5dbb2bf5d9513555efe93061f48ecb84b63
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_266.dot
@@ -0,0 +1,78 @@
+digraph {
+	rankdir=BT
+	N0 [label="Counterfeit Drug Detection" color="#03A9F4" fillcolor="#B3E5FC" shape=rectangle style=filled]
+	N1 [label="Clinical Data Management" color="#90A4AE" fillcolor="#ECEFF1" shape=rect style=filled]
+	N2 [label="Manufacturing Scale_up" color="#90A4AE" fillcolor="#ECEFF1" shape=parallelogram style=filled]
+	N3 [label="Drug Repurposing" color="#03A9F4" fillcolor="#B3E5FC" shape=rect style=filled]
+	N4 [label="Drug Device Combination" color="#90A4AE" fillcolor="#ECEFF1" shape=vnode_shape style=filled]
+	N5 [label="Quality Control" color="#03A9F4" fillcolor="#B3E5FC" shape=action style=filled]
+	N6 [label="Compound Synthesis" color="#03A9F4" fillcolor="#B3E5FC" shape=database style=filled]
+	N7 [label="Intellectual Property Litigation" color="#FFF9AE" fillcolor="#FFFCE6" shape=database style=filled]
+	N8 [label="Regulatory Approval" color="#FFF9AE" fillcolor="#FFFCE6" shape=inputoutput style=filled]
+	N9 [label="Drug Stability Testing" color="#FFF9AE" fillcolor="#FFFCE6" shape=preparation style=filled]
+	N10 [label="Sterile Product Filling" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N11 [label="Cleanroom Operations" color="#FFF9AE" fillcolor="#FFFCE6" shape=document style=filled]
+	N12 [label="Good Manufacturing Practices" color="#90A4AE" fillcolor="#ECEFF1" shape=multipledocuments style=filled]
+	N13 [label="Packaging" color="#90A4AE" fillcolor="#ECEFF1" shape=preparation style=filled]
+	N14 [label="Patent Application" color="#FFF9AE" fillcolor="#FFFCE6" shape=document style=filled]
+	S0 [label="" color="#FFF9AE" fillcolor="#FFFCE6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#FFF9AE" fillcolor="#FFFCE6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#90A4AE" fillcolor="#ECEFF1" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#03A9F4" fillcolor="#B3E5FC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#FFF9AE" fillcolor="#FFFCE6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Audit Management {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Audit Management"
+		nest0_0 [label="Cold Chain Logistics" color="#03A9F4" fillcolor="#B3E5FC" shape=preparation style=filled]
+		nest0_1 [label="Medical Writing" color="#90A4AE" fillcolor="#ECEFF1" shape=action style=filled]
+	}
+	subgraph cluster_Sales and Marketing Strategy {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Sales and Marketing Strategy"
+		nest1_0 [label="Drug Research" color="#FFF9AE" fillcolor="#FFFCE6" shape=database style=filled]
+		nest1_1 [label="Health Economics Outcomes Research" color="#FFF9AE" fillcolor="#FFFCE6" shape=vnode_shape style=filled]
+		nest1_2 [label="Post_Approval Commitment Tracking" color="#90A4AE" fillcolor="#ECEFF1" shape=vnode_shape style=filled]
+	}
+	N0 -> N1 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#FFF9AE" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N11 -> N12 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N12 -> N13 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	N13 -> N14 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#03A9F4" penwidth=1.5 style=solid label="funds" dir=forward]
+	N4 -> nest0_0 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N10 [color="#FFF9AE" penwidth=1.5 style=solid dir=forward]
+	nest1_0 -> nest1_1 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	nest1_1 -> nest1_2 [color="#03A9F4" penwidth=1.5 style=dashed label="partners" dir=forward]
+	N13 -> nest1_0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest1_2 -> N12 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	N11 -> S0 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N13 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N14 [color="#000000" penwidth=1.5 style=solid label="certifies" dir=forward]
+	N6 -> S1 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	S1 -> N13 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N11 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	N10 -> S2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S2 -> N14 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N12 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N13 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M0 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M0 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	M0 -> N4 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	N5 -> M1 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	N3 -> M1 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	N1 -> M1 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	N6 -> M1 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N8 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_267.dot b/test/diagrams/scanned_easy/diagrams_267.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b3b239713a0af302c47213cdace2e704dbb2a64d
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_267.dot
@@ -0,0 +1,68 @@
+digraph {
+	rankdir=BT
+	N0 [label="Exploration Robotics" color="#7E57C2" fillcolor="#D1C4E9" shape=box style=filled]
+	N1 [label="Wireless Communication" color="#A2D0FF" fillcolor="#E8F0FF" shape=database style=filled]
+	N2 [label="Robotics Simulation" color="#7E57C2" fillcolor="#D1C4E9" shape=predefinedprocess style=filled]
+	N3 [label="Collaborative Robotics" color="#A2D0FF" fillcolor="#E8F0FF" shape=document style=filled]
+	N4 [label="Calibration" color="#A2D0FF" fillcolor="#E8F0FF" shape=preparation style=filled]
+	N5 [label="Robot Design" color="#EAEFA5" fillcolor="#FDFCEB" shape=ellipse style=filled]
+	N6 [label="Software Development" color="#7E57C2" fillcolor="#D1C4E9" shape=database style=filled]
+	N7 [label="Artificial Intelligence Integration" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N8 [label="Performance Testing" color="#EAEFA5" fillcolor="#FDFCEB" shape=database style=filled]
+	N9 [label="Medical Robotics" color="#A2D0FF" fillcolor="#E8F0FF" shape=document style=filled]
+	N10 [label="Fault Detection and Diagnosis" color="#7E57C2" fillcolor="#D1C4E9" shape=database style=filled]
+	S0 [label="" color="#EAEFA5" fillcolor="#FDFCEB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#A2D0FF" fillcolor="#E8F0FF" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#7E57C2" fillcolor="#D1C4E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#A2D0FF" fillcolor="#E8F0FF" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Ethical Robotics Development {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Ethical Robotics Development"
+		nest0_0 [label="Actuator Control" color="#EAEFA5" fillcolor="#FDFCEB" shape=predefinedprocess style=filled]
+		nest0_1 [label="Path Planning" color="#7E57C2" fillcolor="#D1C4E9" shape=diamond style=filled]
+		nest0_2 [label="Exoskeleton Development" color="#7E57C2" fillcolor="#D1C4E9" shape=preparation style=filled]
+	}
+	subgraph cluster_Field Deployment {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Field Deployment"
+		nest1_0 [label="Service Robotics" color="#A2D0FF" fillcolor="#E8F0FF" shape=multipledocuments style=filled]
+		nest1_1 [label="Sensor Integration" color="#A2D0FF" fillcolor="#E8F0FF" shape=diamond style=filled]
+		nest1_2 [label="Human_Robot Interaction" color="#EAEFA5" fillcolor="#FDFCEB" shape=predefinedprocess style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#EAEFA5" penwidth=1.5 style=solid label="programs" dir=forward]
+	N7 -> N8 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#7E57C2" penwidth=1.5 style=dashed label="models" dir=forward]
+	N6 -> nest0_0 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N7 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	nest1_0 -> nest1_1 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	nest1_1 -> nest1_2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> nest1_0 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	nest1_2 -> N7 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N7 -> S0 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	S0 -> N9 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	S0 -> N10 [color="#EAEFA5" penwidth=1.5 style=dashed label="assembles" dir=forward]
+	N2 -> S1 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N7 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	S1 -> N5 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M0 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N6 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> M0 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	M0 -> N10 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N4 -> M1 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N0 -> M1 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N1 -> M1 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N7 -> M1 [color="#7E57C2" penwidth=1.5 style=dashed label="operates" dir=forward]
+	M1 -> N10 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_269.dot b/test/diagrams/scanned_easy/diagrams_269.dot
new file mode 100644
index 0000000000000000000000000000000000000000..27b138a6d61df16f2b2ff9ec6070b20784c7e840
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_269.dot
@@ -0,0 +1,81 @@
+digraph {
+	rankdir=BT
+	N0 [label="Brand Partnerships" color="#64B5F6" fillcolor="#E3F2FD" shape=rectangle style=filled]
+	N1 [label="Advertising Sales" color="#FF9800" fillcolor="#FFE0B2" shape=box style=filled]
+	N2 [label="User Generated Content Curation" color="#FF9800" fillcolor="#FFE0B2" shape=predefinedprocess style=filled]
+	N3 [label="Data Monetization" color="#64B5F6" fillcolor="#E3F2FD" shape=ellipse style=filled]
+	N4 [label="Event Organization" color="#FF9800" fillcolor="#FFE0B2" shape=action style=filled]
+	N5 [label="Analytics Reporting" color="#FF9800" fillcolor="#FFE0B2" shape=inputoutput style=filled]
+	N6 [label="Live Streaming" color="#64B5F6" fillcolor="#E3F2FD" shape=hexagon style=filled]
+	N7 [label="Talent Management" color="#64B5F6" fillcolor="#E3F2FD" shape=database style=filled]
+	N8 [label="Cross_Platform Syndication" color="#FF9800" fillcolor="#FFE0B2" shape=vnode_shape style=filled]
+	N9 [label="Content Licensing" color="#6FE1D5" fillcolor="#C9EFEC" shape=parallelogram style=filled]
+	N10 [label="Journalism" color="#6FE1D5" fillcolor="#C9EFEC" shape=document style=filled]
+	N11 [label="Broadcasting" color="#64B5F6" fillcolor="#E3F2FD" shape=parallelogram style=filled]
+	N12 [label="Visual Effects" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+	N13 [label="Print Layout" color="#6FE1D5" fillcolor="#C9EFEC" shape=rectangle style=filled]
+	N14 [label="Photojournalism" color="#64B5F6" fillcolor="#E3F2FD" shape=hexagon style=filled]
+	N15 [label="Digital Marketing" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+	S0 [label="" color="#FF9800" fillcolor="#FFE0B2" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#64B5F6" fillcolor="#E3F2FD" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#64B5F6" fillcolor="#E3F2FD" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#6FE1D5" fillcolor="#C9EFEC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#64B5F6" fillcolor="#E3F2FD" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M2 [label="" color="#6FE1D5" fillcolor="#C9EFEC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Audience Segmentation {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Audience Segmentation"
+		nest0_0 [label="Publishing" color="#6FE1D5" fillcolor="#C9EFEC" shape=multipledocuments style=filled]
+		nest0_1 [label="Scriptwriting" color="#6FE1D5" fillcolor="#C9EFEC" shape=parallelogram style=filled]
+	}
+	subgraph cluster_Subscription Management {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Subscription Management"
+		nest1_0 [label="Public Relations" color="#64B5F6" fillcolor="#E3F2FD" shape=predefinedprocess style=filled]
+		nest1_1 [label="Distribution" color="#FF9800" fillcolor="#FFE0B2" shape=ellipse style=filled]
+	}
+	N0 -> N1 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#64B5F6" penwidth=1.5 style=solid label="moderates" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FF9800" penwidth=1.5 style=dashed label="composes" dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FF9800" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid label="edits" dir=forward]
+	N10 -> N11 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#FF9800" penwidth=1.5 style=dashed label="monetizes" dir=forward]
+	N12 -> N13 [color="#FF9800" penwidth=1.5 style=dashed dir=forward]
+	N13 -> N14 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N14 -> N15 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#64B5F6" penwidth=1.5 style=solid label="publishes" dir=forward]
+	N9 -> nest0_0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> N6 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+	nest1_0 -> nest1_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> nest1_0 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	nest1_1 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> S0 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+	S0 -> N7 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N11 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+	S0 -> N3 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+	N7 -> S1 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N11 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	S1 -> N9 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+	S1 -> N14 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N3 -> S2 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	S2 -> N14 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N7 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	S2 -> N5 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#6FE1D5" penwidth=1.5 style=dashed label="reports" dir=forward]
+	N3 -> M0 [color="#FF9800" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> M1 [color="#FF9800" penwidth=1.5 style=solid dir=forward]
+	N10 -> M1 [color="#FF9800" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N13 [color="#FF9800" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M2 [color="#6FE1D5" penwidth=1.5 style=solid label="interviews" dir=forward]
+	N0 -> M2 [color="#000000" penwidth=1.5 style=solid label="mixes" dir=forward]
+	M2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_269.txt b/test/diagrams/scanned_easy/diagrams_269.txt
new file mode 100644
index 0000000000000000000000000000000000000000..aea39a9995c5ec19fcf97cb23fcce0f0ca320c08
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_269.txt
@@ -0,0 +1,35 @@
+<Advertising Sales, connectedTo, Broadcasting>
+<Advertising Sales, connectedTo, Data Monetization>
+<Advertising Sales, connectedTo, Talent Management>
+<Advertising Sales, interviews, Data Monetization>
+<Advertising Sales, moderates, User Generated Content Curation>
+<Advertising Sales, reports, Analytics Reporting>
+<Analytics Reporting, composes, Live Streaming>
+<Brand Partnerships, connectedTo, Advertising Sales>
+<Brand Partnerships, mixes, Data Monetization>
+<Broadcasting, monetizes, Visual Effects>
+<Content Licensing, connectedTo, Public Relations>
+<Content Licensing, connectedTo, Publishing>
+<Content Licensing, edits, Journalism>
+<Cross_Platform Syndication, connectedTo, Content Licensing>
+<Cross_Platform Syndication, connectedTo, Print Layout>
+<Data Monetization, connectedTo, Analytics Reporting>
+<Data Monetization, connectedTo, Event Organization>
+<Data Monetization, connectedTo, Photojournalism>
+<Data Monetization, connectedTo, Talent Management>
+<Distribution, connectedTo, Broadcasting>
+<Event Organization, connectedTo, Analytics Reporting>
+<Journalism, connectedTo, Broadcasting>
+<Journalism, connectedTo, Print Layout>
+<Live Streaming, connectedTo, Talent Management>
+<Photojournalism, connectedTo, Digital Marketing>
+<Print Layout, connectedTo, Photojournalism>
+<Public Relations, connectedTo, Distribution>
+<Publishing, publishes, Scriptwriting>
+<Scriptwriting, connectedTo, Live Streaming>
+<Talent Management, connectedTo, Broadcasting>
+<Talent Management, connectedTo, Content Licensing>
+<Talent Management, connectedTo, Cross_Platform Syndication>
+<Talent Management, connectedTo, Photojournalism>
+<User Generated Content Curation, connectedTo, Data Monetization>
+<Visual Effects, connectedTo, Print Layout>
diff --git a/test/diagrams/scanned_easy/diagrams_27.dot b/test/diagrams/scanned_easy/diagrams_27.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3565809c2925a709f7e2a0532c8de0c703274165
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_27.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Human_Robot Interaction" color="#4FC3F7" fillcolor="#E1F5FE" shape=rectangle style=filled]
+	N1 [label="Agricultural Robotics" color="#4CAF50" fillcolor="#C8E6C9" shape=multipledocuments style=filled]
+	N2 [label="Robot Fleet Management" color="#4CAF50" fillcolor="#C8E6C9" shape=box style=filled]
+	N3 [label="Robot Design" color="#4CAF50" fillcolor="#C8E6C9" shape=vnode_shape style=filled]
+	N4 [label="Actuator Control" color="#4CAF50" fillcolor="#C8E6C9" shape=multipledocuments style=filled]
+	N5 [label="Machine Vision" color="#BDBDBD" fillcolor="#F5F5F5" shape=vnode_shape style=filled]
+	N6 [label="End_Effector Design" color="#4CAF50" fillcolor="#C8E6C9" shape=database style=filled]
+	N7 [label="Robotics Simulation" color="#4CAF50" fillcolor="#C8E6C9" shape=preparation style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="welds" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="communicates" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#4FC3F7" penwidth=1.5 style=solid label="assists" dir=forward]
+	N4 -> N5 [color="#4CAF50" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="detects" dir=forward]
+	N6 -> N7 [color="#4CAF50" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N1 [color="#4CAF50" penwidth=1.5 style=solid label="repairs" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_27.txt b/test/diagrams/scanned_easy/diagrams_27.txt
new file mode 100644
index 0000000000000000000000000000000000000000..33adddd9bb3a4eb995f9085e81a094362647dfe0
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_27.txt
@@ -0,0 +1,8 @@
+<Actuator Control, connectedTo, Machine Vision>
+<Agricultural Robotics, communicates, Robot Fleet Management>
+<End_Effector Design, connectedTo, Robotics Simulation>
+<Human_Robot Interaction, welds, Agricultural Robotics>
+<Machine Vision, detects, End_Effector Design>
+<Robot Design, assists, Actuator Control>
+<Robot Fleet Management, connectedTo, Robot Design>
+<Robot Fleet Management, repairs, Agricultural Robotics>
diff --git a/test/diagrams/scanned_easy/diagrams_271.txt b/test/diagrams/scanned_easy/diagrams_271.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1bd88e4421c59be3883a69ff8c79dd4dd3c93765
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_271.txt
@@ -0,0 +1,32 @@
+<Accessibility in Sports Venues, connectedTo, Team Management>
+<Anti_Doping Control, connectedTo, Coaching>
+<Anti_Doping Control, connectedTo, Event Broadcasting>
+<Anti_Doping Control, connectedTo, Refereeing>
+<Anti_Doping Control, rehabilitates, Sports Betting Regulation>
+<Coaching, connectedTo, Community Sports Programs>
+<Coaching, connectedTo, Talent Scouting>
+<Community Sports Programs, connectedTo, Sports Betting Regulation>
+<Esports Event Management, connectedTo, Accessibility in Sports Venues>
+<Event Broadcasting, connectedTo, Fan Club Management>
+<Event Broadcasting, connectedTo, Refereeing>
+<Fan Club Management, connectedTo, Coaching>
+<Game Strategy, broadcasts, Esports Event Management>
+<Player Transfer, connectedTo, Coaching>
+<Player Transfer, connectedTo, Game Strategy>
+<Player Transfer, connectedTo, Sports Psychology>
+<Refereeing, connectedTo, Coaching>
+<Refereeing, connectedTo, Fan Club Management>
+<Refereeing, consults, Community Sports Programs>
+<Scorekeeping, connectedTo, Coaching>
+<Scorekeeping, connectedTo, Fan Club Management>
+<Scorekeeping, connectedTo, Sports Analytics>
+<Sports Analytics, advises, Tournament Organization>
+<Sports Analytics, records, Fan Club Management>
+<Sports Medicine, connectedTo, Community Sports Programs>
+<Sports Psychology, connectedTo, Anti_Doping Control>
+<Sports Psychology, connectedTo, Coaching>
+<Talent Scouting, connectedTo, Training Session>
+<Team Management, connectedTo, Sports Psychology>
+<Tournament Organization, connectedTo, Fan Club Management>
+<Tournament Organization, connectedTo, Player Transfer>
+<Training Session, connectedTo, Sports Medicine>
diff --git a/test/diagrams/scanned_easy/diagrams_274.dot b/test/diagrams/scanned_easy/diagrams_274.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6121aaa59c3d31d90669ed6681ef6212dc4fdcf8
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_274.dot
@@ -0,0 +1,85 @@
+digraph {
+	rankdir=RL
+	N0 [label="Compliance in Hiring" color="#F06292" fillcolor="#FCE4EC" shape=document style=filled]
+	N1 [label="Temporary Staffing" color="#F06292" fillcolor="#FCE4EC" shape=preparation style=filled]
+	N2 [label="Candidate Relationship Management" color="#F06292" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	N3 [label="Interview Conducting" color="#FBC02D" fillcolor="#FFFDE7" shape=vnode_shape style=filled]
+	N4 [label="Executive Search" color="#E91E63" fillcolor="#F8BBD0" shape=database style=filled]
+	N5 [label="Psychometric Testing" color="#E91E63" fillcolor="#F8BBD0" shape=diamond style=filled]
+	N6 [label="Candidate Assessment Design" color="#F06292" fillcolor="#FCE4EC" shape=predefinedprocess style=filled]
+	N7 [label="Job Description Creation" color="#FBC02D" fillcolor="#FFFDE7" shape=action style=filled]
+	N8 [label="Social Recruiting" color="#F06292" fillcolor="#FCE4EC" shape=parallelogram style=filled]
+	N9 [label="Competency_Based Interviewing" color="#E91E63" fillcolor="#F8BBD0" shape=predefinedprocess style=filled]
+	N10 [label="Negotiation" color="#FBC02D" fillcolor="#FFFDE7" shape=box style=filled]
+	N11 [label="Recruiter Training" color="#FBC02D" fillcolor="#FFFDE7" shape=rectangle style=filled]
+	N12 [label="Global Recruitment Strategy" color="#FBC02D" fillcolor="#FFFDE7" shape=vnode_shape style=filled]
+	N13 [label="Employee Referral Program" color="#FBC02D" fillcolor="#FFFDE7" shape=multipledocuments style=filled]
+	N14 [label="Talent Pipeline Building" color="#FBC02D" fillcolor="#FFFDE7" shape=parallelogram style=filled]
+	N15 [label="Diversity Sourcing" color="#E91E63" fillcolor="#F8BBD0" shape=diamond style=filled]
+	S0 [label="" color="#FBC02D" fillcolor="#FFFDE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#E91E63" fillcolor="#F8BBD0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#FBC02D" fillcolor="#FFFDE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FBC02D" fillcolor="#FFFDE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#FBC02D" fillcolor="#FFFDE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M2 [label="" color="#FBC02D" fillcolor="#FFFDE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Recruitment Metrics Reporting {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Recruitment Metrics Reporting"
+		nest0_0 [label="Interview Panel Coordination" color="#F06292" fillcolor="#FCE4EC" shape=action style=filled]
+		nest0_1 [label="AI in Recruitment" color="#E91E63" fillcolor="#F8BBD0" shape=ellipse style=filled]
+	}
+	subgraph cluster_Passive Candidate Engagement {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Passive Candidate Engagement"
+		nest1_0 [label="Candidate Screening" color="#F06292" fillcolor="#FCE4EC" shape=document style=filled]
+		nest1_1 [label="Employer Branding" color="#FBC02D" fillcolor="#FFFDE7" shape=box style=filled]
+	}
+	N0 -> N1 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	N12 -> N13 [color="#E91E63" penwidth=1.5 style=dashed label="networks" dir=forward]
+	N13 -> N14 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	N14 -> N15 [color="#FBC02D" penwidth=1.5 style=dashed label="headhunts" dir=forward]
+	nest0_0 -> nest0_1 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	N13 -> nest0_0 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> N14 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest1_0 -> nest1_1 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	N6 -> nest1_0 [color="#000000" penwidth=1.5 style=solid label="educates" dir=forward]
+	nest1_1 -> N4 [color="#000000" penwidth=1.5 style=solid label="hires" dir=forward]
+	N1 -> S0 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N6 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	S0 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N9 [color="#E91E63" penwidth=1.5 style=dashed label="protects" dir=forward]
+	N10 -> S1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N14 [color="#000000" penwidth=1.5 style=dashed label="declines" dir=forward]
+	S1 -> N13 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	S1 -> N12 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N11 -> S2 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N13 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N15 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S2 -> N14 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N4 -> M0 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	N0 -> M0 [color="#F06292" penwidth=1.5 style=solid label="regulates" dir=forward]
+	M0 -> N7 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N0 -> M1 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> M1 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N5 -> M1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N8 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> M2 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	N0 -> M2 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N3 -> M2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M2 -> N5 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_276.txt b/test/diagrams/scanned_easy/diagrams_276.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f9c025637491eff6fe8f617750ee606703a40182
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_276.txt
@@ -0,0 +1,30 @@
+<Circular Economy Practices, connectedTo, Digital Twin of Supply Chain>
+<Circular Economy Practices, connectedTo, Material Flow Management>
+<Circular Economy Practices, connectedTo, Production Scheduling Integration>
+<Circular Economy Practices, forecasts, Production Scheduling Integration>
+<Cold Chain Logistics, connectedTo, Third_Party Logistics Management>
+<Demand Planning, connectedTo, Collaborative Planning>
+<Demand Planning, connectedTo, Digital Twin of Supply Chain>
+<Demand Planning, connectedTo, Production Scheduling Integration>
+<Demand Planning, connectedTo, Risk Mitigation Strategies>
+<Digital Twin of Supply Chain, connectedTo, Collaborative Planning>
+<Digital Twin of Supply Chain, connectedTo, Production Scheduling Integration>
+<Digital Twin of Supply Chain, connectedTo, Risk Mitigation Strategies>
+<Hazardous Materials Handling, connectedTo, Risk Mitigation Strategies>
+<Material Flow Management, connectedTo, Cold Chain Logistics>
+<Material Flow Management, connectedTo, Digital Twin of Supply Chain>
+<Material Flow Management, connectedTo, Vendor Managed Inventory>
+<Production Scheduling Integration, connectedTo, Collaborative Planning>
+<Production Scheduling Integration, connectedTo, Transportation Management>
+<Resilience Planning, connectedTo, Vendor Managed Inventory>
+<Resilience Planning, partOf, Resilience Planning>
+<Risk Mitigation Strategies, connectedTo, Production Scheduling Integration>
+<Supplier Selection, connectedTo, Resilience Planning>
+<Supplier Selection, partOf, Supplier Selection>
+<Third_Party Logistics Management, connectedTo, Warehouse Automation>
+<Transportation Management, connectedTo, Supplier Selection>
+<Transportation Management, partOf, Transportation Management>
+<Vendor Managed Inventory, connectedTo, Digital Twin of Supply Chain>
+<Vendor Managed Inventory, connectedTo, Production Scheduling Integration>
+<Vendor Managed Inventory, tracks, Demand Planning>
+<Warehouse Automation, connectedTo, Hazardous Materials Handling>
diff --git a/test/diagrams/scanned_easy/diagrams_277.dot b/test/diagrams/scanned_easy/diagrams_277.dot
new file mode 100644
index 0000000000000000000000000000000000000000..eeb0283b745185cba8e7e313ac9774a654b20aae
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_277.dot
@@ -0,0 +1,60 @@
+digraph {
+	rankdir=TB
+	N0 [label="Exploration" color="#A188DB" fillcolor="#DED7F0" shape=action style=filled]
+	N1 [label="Dust Control" color="#E57373" fillcolor="#FFEBEE" shape=document style=filled]
+	N2 [label="Haulage" color="#E57373" fillcolor="#FFEBEE" shape=predefinedprocess style=filled]
+	N3 [label="Tailings Management" color="#A188DB" fillcolor="#DED7F0" shape=ellipse style=filled]
+	N4 [label="Permit Acquisition" color="#A188DB" fillcolor="#DED7F0" shape=diamond style=filled]
+	N5 [label="Underground Mining Operations" color="#FBC02D" fillcolor="#FFFDE7" shape=multipledocuments style=filled]
+	N6 [label="Open Pit Mining Operations" color="#FBC02D" fillcolor="#FFFDE7" shape=rectangle style=filled]
+	N7 [label="Product Marketing" color="#FBC02D" fillcolor="#FFFDE7" shape=box style=filled]
+	N8 [label="Asset Management" color="#A188DB" fillcolor="#DED7F0" shape=rectangle style=filled]
+	S0 [label="" color="#E57373" fillcolor="#FFEBEE" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#A188DB" fillcolor="#DED7F0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#A188DB" fillcolor="#DED7F0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Emergency Response Planning {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Emergency Response Planning"
+		nest0_0 [label="Feasibility Study" color="#A188DB" fillcolor="#DED7F0" shape=ellipse style=filled]
+		nest0_1 [label="Energy Management" color="#E57373" fillcolor="#FFEBEE" shape=hexagon style=filled]
+		nest0_2 [label="Mineral Processing" color="#E57373" fillcolor="#FFEBEE" shape=document style=filled]
+	}
+	subgraph cluster_Mine Planning {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Mine Planning"
+		nest1_0 [label="Smelting" color="#FBC02D" fillcolor="#FFFDE7" shape=vnode_shape style=filled]
+		nest1_1 [label="Safety Management" color="#FBC02D" fillcolor="#FFFDE7" shape=vnode_shape style=filled]
+		nest1_2 [label="Robotics in Mining" color="#FBC02D" fillcolor="#FFFDE7" shape=diamond style=filled]
+	}
+	N0 -> N1 [color="#FBC02D" penwidth=1.5 style=dashed label="drills" dir=forward]
+	N1 -> N2 [color="#A188DB" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#E57373" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#E57373" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#A188DB" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid label="operates" dir=forward]
+	nest0_1 -> nest0_2 [color="#A188DB" penwidth=1.5 style=solid dir=forward]
+	N4 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N4 [color="#A188DB" penwidth=1.5 style=dashed label="extracts" dir=forward]
+	nest1_0 -> nest1_1 [color="#A188DB" penwidth=1.5 style=solid dir=forward]
+	nest1_1 -> nest1_2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> nest1_0 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	nest1_2 -> N7 [color="#E57373" penwidth=1.5 style=solid dir=forward]
+	N0 -> S0 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	S0 -> N3 [color="#A188DB" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N5 [color="#A188DB" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N6 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N2 -> S1 [color="#A188DB" penwidth=1.5 style=solid dir=forward]
+	S1 -> N4 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N6 [color="#A188DB" penwidth=1.5 style=solid dir=forward]
+	S1 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> S2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S2 -> N7 [color="#E57373" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N8 [color="#A188DB" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_277.txt b/test/diagrams/scanned_easy/diagrams_277.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a25d9c676f08870c5a22a7516eb8c9cfc8b41574
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_277.txt
@@ -0,0 +1,26 @@
+<Dust Control, connectedTo, Haulage>
+<Energy Management, connectedTo, Mineral Processing>
+<Exploration, connectedTo, Haulage>
+<Exploration, connectedTo, Open Pit Mining Operations>
+<Exploration, connectedTo, Tailings Management>
+<Exploration, connectedTo, Underground Mining Operations>
+<Exploration, drills, Dust Control>
+<Feasibility Study, operates, Energy Management>
+<Haulage, connectedTo, Asset Management>
+<Haulage, connectedTo, Open Pit Mining Operations>
+<Haulage, connectedTo, Permit Acquisition>
+<Haulage, connectedTo, Tailings Management>
+<Haulage, connectedTo, Underground Mining Operations>
+<Mineral Processing, extracts, Permit Acquisition>
+<Open Pit Mining Operations, connectedTo, Product Marketing>
+<Permit Acquisition, connectedTo, Feasibility Study>
+<Permit Acquisition, connectedTo, Underground Mining Operations>
+<Product Marketing, connectedTo, Asset Management>
+<Product Marketing, connectedTo, Smelting>
+<Robotics in Mining, connectedTo, Product Marketing>
+<Safety Management, connectedTo, Robotics in Mining>
+<Smelting, connectedTo, Safety Management>
+<Tailings Management, connectedTo, Permit Acquisition>
+<Underground Mining Operations, connectedTo, Asset Management>
+<Underground Mining Operations, connectedTo, Open Pit Mining Operations>
+<Underground Mining Operations, connectedTo, Product Marketing>
diff --git a/test/diagrams/scanned_easy/diagrams_278.dot b/test/diagrams/scanned_easy/diagrams_278.dot
new file mode 100644
index 0000000000000000000000000000000000000000..216a64bca1bf053e16cd0857b8ec94265714875f
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_278.dot
@@ -0,0 +1,65 @@
+digraph {
+	rankdir=BT
+	N0 [label="Maritime Security" color="#2196F3" fillcolor="#BBDEFB" shape=rect style=filled]
+	N1 [label="Vessel Chartering" color="#4285F4" fillcolor="#D0E0F8" shape=multipledocuments style=filled]
+	N2 [label="Inland Waterway Transport" color="#A2D0FF" fillcolor="#E8F0FF" shape=document style=filled]
+	N3 [label="Marine Insurance" color="#A2D0FF" fillcolor="#E8F0FF" shape=document style=filled]
+	N4 [label="Pollution Control" color="#A2D0FF" fillcolor="#E8F0FF" shape=parallelogram style=filled]
+	N5 [label="Search and Rescue Coordination" color="#4285F4" fillcolor="#D0E0F8" shape=rectangle style=filled]
+	N6 [label="Fleet Management" color="#4285F4" fillcolor="#D0E0F8" shape=rect style=filled]
+	N7 [label="Route Planning" color="#4285F4" fillcolor="#D0E0F8" shape=hexagon style=filled]
+	N8 [label="Terminal Management" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N9 [label="Salvage Operations" color="#4285F4" fillcolor="#D0E0F8" shape=multipledocuments style=filled]
+	N10 [label="Shipbuilding" color="#2196F3" fillcolor="#BBDEFB" shape=parallelogram style=filled]
+	N11 [label="Fuel Consumption Optimization" color="#A2D0FF" fillcolor="#E8F0FF" shape=box style=filled]
+	N12 [label="Maritime Law Compliance" color="#4285F4" fillcolor="#D0E0F8" shape=box style=filled]
+	S0 [label="" color="#4285F4" fillcolor="#D0E0F8" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#4285F4" fillcolor="#D0E0F8" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#2196F3" fillcolor="#BBDEFB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Customs Clearance {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Customs Clearance"
+		nest0_0 [label="Bunkering" color="#2196F3" fillcolor="#BBDEFB" shape=inputoutput style=filled]
+		nest0_1 [label="Marine Research" color="#4285F4" fillcolor="#D0E0F8" shape=vnode_shape style=filled]
+	}
+	subgraph cluster_Dry Docking {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Dry Docking"
+		nest1_0 [label="Hydrographic Surveying" color="#4285F4" fillcolor="#D0E0F8" shape=database style=filled]
+		nest1_1 [label="Ballast Water Management" color="#4285F4" fillcolor="#D0E0F8" shape=rect style=filled]
+		nest1_2 [label="Fisheries Management" color="#4285F4" fillcolor="#D0E0F8" shape=rect style=filled]
+	}
+	N0 -> N1 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#2196F3" penwidth=1.5 style=dashed label="certifies" dir=forward]
+	N5 -> N6 [color="#2196F3" penwidth=1.5 style=dashed label="audits" dir=forward]
+	N6 -> N7 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="supplies" dir=forward]
+	N9 -> N10 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#4285F4" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#4285F4" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#4285F4" penwidth=1.5 style=dashed dir=forward]
+	N1 -> nest0_0 [color="#A2D0FF" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N2 [color="#4285F4" penwidth=1.5 style=solid dir=forward]
+	nest1_0 -> nest1_1 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	nest1_1 -> nest1_2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> nest1_0 [color="#4285F4" penwidth=1.5 style=dashed dir=forward]
+	nest1_2 -> N4 [color="#4285F4" penwidth=1.5 style=dashed dir=forward]
+	N8 -> S0 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	S0 -> N11 [color="#A2D0FF" penwidth=1.5 style=solid label="responds" dir=forward]
+	S0 -> N10 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	S0 -> N12 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> S1 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	S1 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N8 [color="#4285F4" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N9 [color="#4285F4" penwidth=1.5 style=solid dir=forward]
+	S1 -> N12 [color="#000000" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N0 -> M1 [color="#4285F4" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M1 [color="#4285F4" penwidth=1.5 style=dashed label="routes" dir=forward]
+	M1 -> N3 [color="#4285F4" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_279.dot b/test/diagrams/scanned_easy/diagrams_279.dot
new file mode 100644
index 0000000000000000000000000000000000000000..df612a3f6016cba483ca34664c7213a24f85ab6b
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_279.dot
@@ -0,0 +1,81 @@
+digraph {
+	rankdir=TB
+	N0 [label="Microgravity Experiments" color="#A1D7CD" fillcolor="#EDF5F3" shape=parallelogram style=filled]
+	N1 [label="Propellant Management" color="#FFD54F" fillcolor="#FFF8E1" shape=action style=filled]
+	N2 [label="Data Acquisition" color="#A1D7CD" fillcolor="#EDF5F3" shape=multipledocuments style=filled]
+	N3 [label="Rocket Propulsion Development" color="#A1D7CD" fillcolor="#EDF5F3" shape=inputoutput style=filled]
+	N4 [label="Space Habitat Development" color="#BCB88A" fillcolor="#F5F5DC" shape=diamond style=filled]
+	N5 [label="Autonomous Rendezvous and Docking" color="#FFD54F" fillcolor="#FFF8E1" shape=multipledocuments style=filled]
+	N6 [label="Satellite Deployment" color="#A1D7CD" fillcolor="#EDF5F3" shape=rectangle style=filled]
+	N7 [label="Life Support Systems" color="#BCB88A" fillcolor="#F5F5DC" shape=inputoutput style=filled]
+	N8 [label="Robotics for Space Exploration" color="#FFD54F" fillcolor="#FFF8E1" shape=action style=filled]
+	N9 [label="Planetary Science Research" color="#FFD54F" fillcolor="#FFF8E1" shape=predefinedprocess style=filled]
+	N10 [label="Re_entry Vehicle Design" color="#BCB88A" fillcolor="#F5F5DC" shape=multipledocuments style=filled]
+	N11 [label="Exoplanet Discovery" color="#A1D7CD" fillcolor="#EDF5F3" shape=document style=filled]
+	N12 [label="Lunar Exploration" color="#FFD54F" fillcolor="#FFF8E1" shape=inputoutput style=filled]
+	N13 [label="New Space Technology Development" color="#FFD54F" fillcolor="#FFF8E1" shape=diamond style=filled]
+	N14 [label="Space Tourism Development" color="#BCB88A" fillcolor="#F5F5DC" shape=predefinedprocess style=filled]
+	N15 [label="Mission Control Center Management" color="#BCB88A" fillcolor="#F5F5DC" shape=preparation style=filled]
+	S0 [label="" color="#FFD54F" fillcolor="#FFF8E1" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#BCB88A" fillcolor="#F5F5DC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#BCB88A" fillcolor="#F5F5DC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#A1D7CD" fillcolor="#EDF5F3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Astronaut Training {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Astronaut Training"
+		nest0_0 [label="Mission Design" color="#FFD54F" fillcolor="#FFF8E1" shape=rectangle style=filled]
+		nest0_1 [label="Sample Return Missions" color="#A1D7CD" fillcolor="#EDF5F3" shape=diamond style=filled]
+		nest0_2 [label="Ground Station Operations" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+		nest0_3 [label="Astrophysics Research" color="#FFD54F" fillcolor="#FFF8E1" shape=diamond style=filled]
+	}
+	subgraph cluster_Space Station Operations {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Space Station Operations"
+		nest1_0 [label="Deep Space Communications" color="#BCB88A" fillcolor="#F5F5DC" shape=diamond style=filled]
+		nest1_1 [label="Extravehicular Activity Planning" color="#A1D7CD" fillcolor="#EDF5F3" shape=box style=filled]
+		nest1_2 [label="Space Debris Mitigation" color="#A1D7CD" fillcolor="#EDF5F3" shape=parallelogram style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#BCB88A" penwidth=1.5 style=dashed label="simulates" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#BCB88A" penwidth=1.5 style=dashed label="advocates" dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N11 -> N12 [color="#BCB88A" penwidth=1.5 style=dashed label="educates" dir=forward]
+	N12 -> N13 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N13 -> N14 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N14 -> N15 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#A1D7CD" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#BCB88A" penwidth=1.5 style=solid dir=forward]
+	N10 -> nest0_0 [color="#BCB88A" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N13 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	nest1_0 -> nest1_1 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+	nest1_1 -> nest1_2 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N7 -> nest1_0 [color="#A1D7CD" penwidth=1.5 style=solid dir=forward]
+	nest1_2 -> N2 [color="#000000" penwidth=1.5 style=dashed label="visualizes" dir=forward]
+	N1 -> S0 [color="#BCB88A" penwidth=1.5 style=solid dir=forward]
+	S0 -> N12 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N13 [color="#BCB88A" penwidth=1.5 style=solid dir=forward]
+	S0 -> N5 [color="#A1D7CD" penwidth=1.5 style=dashed label="regulates" dir=forward]
+	S0 -> N10 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N0 -> S1 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N12 [color="#BCB88A" penwidth=1.5 style=solid dir=forward]
+	S1 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N11 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N2 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M0 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M0 [color="#BCB88A" penwidth=1.5 style=solid dir=forward]
+	M0 -> N3 [color="#A1D7CD" penwidth=1.5 style=solid dir=forward]
+	N5 -> M1 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	N8 -> M1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> M1 [color="#A1D7CD" penwidth=1.5 style=solid dir=forward]
+	M1 -> N13 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_279.txt b/test/diagrams/scanned_easy/diagrams_279.txt
new file mode 100644
index 0000000000000000000000000000000000000000..212ff2a691c30421a099ba1099c77bc4b39ee1bc
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_279.txt
@@ -0,0 +1,37 @@
+<Astrophysics Research, connectedTo, New Space Technology Development>
+<Autonomous Rendezvous and Docking, connectedTo, New Space Technology Development>
+<Autonomous Rendezvous and Docking, connectedTo, Satellite Deployment>
+<Data Acquisition, connectedTo, Rocket Propulsion Development>
+<Deep Space Communications, connectedTo, Extravehicular Activity Planning>
+<Exoplanet Discovery, educates, Lunar Exploration>
+<Extravehicular Activity Planning, connectedTo, Space Debris Mitigation>
+<Ground Station Operations, connectedTo, Astrophysics Research>
+<Life Support Systems, connectedTo, Deep Space Communications>
+<Life Support Systems, connectedTo, Robotics for Space Exploration>
+<Lunar Exploration, connectedTo, New Space Technology Development>
+<Microgravity Experiments, connectedTo, Data Acquisition>
+<Microgravity Experiments, connectedTo, Exoplanet Discovery>
+<Microgravity Experiments, connectedTo, Lunar Exploration>
+<Microgravity Experiments, connectedTo, Propellant Management>
+<Microgravity Experiments, connectedTo, Robotics for Space Exploration>
+<Microgravity Experiments, connectedTo, Rocket Propulsion Development>
+<Mission Design, connectedTo, Sample Return Missions>
+<New Space Technology Development, connectedTo, Space Tourism Development>
+<Planetary Science Research, advocates, Re_entry Vehicle Design>
+<Propellant Management, connectedTo, Data Acquisition>
+<Propellant Management, connectedTo, Lunar Exploration>
+<Propellant Management, connectedTo, New Space Technology Development>
+<Propellant Management, connectedTo, Re_entry Vehicle Design>
+<Propellant Management, connectedTo, Rocket Propulsion Development>
+<Propellant Management, regulates, Autonomous Rendezvous and Docking>
+<Re_entry Vehicle Design, connectedTo, Exoplanet Discovery>
+<Re_entry Vehicle Design, connectedTo, Mission Design>
+<Robotics for Space Exploration, connectedTo, New Space Technology Development>
+<Robotics for Space Exploration, connectedTo, Planetary Science Research>
+<Rocket Propulsion Development, connectedTo, Space Habitat Development>
+<Sample Return Missions, connectedTo, Ground Station Operations>
+<Satellite Deployment, connectedTo, New Space Technology Development>
+<Satellite Deployment, simulates, Life Support Systems>
+<Space Debris Mitigation, visualizes, Data Acquisition>
+<Space Habitat Development, connectedTo, Autonomous Rendezvous and Docking>
+<Space Tourism Development, connectedTo, Mission Control Center Management>
diff --git a/test/diagrams/scanned_easy/diagrams_280.txt b/test/diagrams/scanned_easy/diagrams_280.txt
new file mode 100644
index 0000000000000000000000000000000000000000..97fcaf7fbe5c62cc3cfd4c0c4282dcca581c5116
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_280.txt
@@ -0,0 +1,35 @@
+<Aerosol Impact Assessment, connectedTo, Ocean Acidification Studies>
+<Atmospheric Monitoring, connectedTo, Climate Resilient Agriculture>
+<Atmospheric Monitoring, connectedTo, Extreme Weather Event Analysis>
+<Atmospheric Monitoring, connectedTo, Ocean Current Analysis>
+<Atmospheric Monitoring, connectedTo, Public Engagement on Climate>
+<Atmospheric Monitoring, connectedTo, Satellite Data Interpretation>
+<Biodiversity Impact Assessment, connectedTo, Glacier Mass Balance Monitoring>
+<Climate Education Programs, connectedTo, Climate Resilient Agriculture>
+<Climate Finance Tracking, connectedTo, Environmental Justice Study>
+<Climate Finance Tracking, connectedTo, Satellite Data Interpretation>
+<Climate Policy Analysis, connectedTo, Ocean Acidification Studies>
+<Climate Policy Analysis, connectedTo, Water Resource Management under Climate Change>
+<Climate Resilient Agriculture, connectedTo, Ocean Current Analysis>
+<Ecosystem Response Modeling, connectedTo, Permafrost Thaw Assessment>
+<Environmental Justice Study, connectedTo, Indigenous Knowledge Integration>
+<Extreme Weather Event Analysis, connectedTo, Climate Resilient Agriculture>
+<Flood Risk Assessment, connectedTo, Climate Education Programs>
+<Glacier Mass Balance Monitoring, connectedTo, Atmospheric Monitoring>
+<Ice Sheet Dynamics, connectedTo, Atmospheric Monitoring>
+<Ice Sheet Dynamics, connectedTo, Climate Policy Analysis>
+<Ice Sheet Dynamics, connectedTo, Permafrost Thaw Assessment>
+<Ice Sheet Dynamics, connectedTo, Solar Radiation Management Research>
+<Indigenous Knowledge Integration, connectedTo, Mitigation Technology Evaluation>
+<Mitigation Technology Evaluation, connectedTo, Solar Radiation Management Research>
+<Ocean Acidification Studies, connectedTo, Solar Radiation Management Research>
+<Ocean Current Analysis, connectedTo, Climate Finance Tracking>
+<Ocean Current Analysis, connectedTo, Paleoclimate Reconstruction>
+<Paleoclimate Reconstruction, connectedTo, Sea Level Rise Projection>
+<Permafrost Thaw Assessment, reports, Aerosol Impact Assessment>
+<Renewable Energy Potential Assessment, connectedTo, Biodiversity Impact Assessment>
+<Satellite Data Interpretation, connectedTo, Public Engagement on Climate>
+<Sea Level Rise Projection, connectedTo, Flood Risk Assessment>
+<Solar Radiation Management Research, connectedTo, Renewable Energy Potential Assessment>
+<Water Resource Management under Climate Change, connectedTo, Ecosystem Response Modeling>
+<Water Resource Management under Climate Change, connectedTo, Ocean Acidification Studies>
diff --git a/test/diagrams/scanned_easy/diagrams_281.dot b/test/diagrams/scanned_easy/diagrams_281.dot
new file mode 100644
index 0000000000000000000000000000000000000000..07dfcf1f2436de2ebb7fd88f2f3dc1e8e00f267b
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_281.dot
@@ -0,0 +1,69 @@
+digraph {
+	rankdir=TB
+	N0 [label="Climate Change Impact Study" color="#E91E63" fillcolor="#F8BBD0" shape=multipledocuments style=filled]
+	N1 [label="Meteorological Instrument Calibration" color="#6EB76D" fillcolor="#E9F7E8" shape=ellipse style=filled]
+	N2 [label="Upper Air Chart Analysis" color="#388E3C" fillcolor="#F1F8E9" shape=action style=filled]
+	N3 [label="Arctic Weather Research" color="#388E3C" fillcolor="#F1F8E9" shape=rect style=filled]
+	N4 [label="Mesoscale Meteorology" color="#6EB76D" fillcolor="#E9F7E8" shape=action style=filled]
+	N5 [label="Atmospheric Sounding" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N6 [label="Cloud Observation" color="#6EB76D" fillcolor="#E9F7E8" shape=rectangle style=filled]
+	N7 [label="Satellite Meteorology" color="#E91E63" fillcolor="#F8BBD0" shape=action style=filled]
+	N8 [label="Climate Modeling" color="#6EB76D" fillcolor="#E9F7E8" shape=parallelogram style=filled]
+	N9 [label="Hurricane Trajectory Modeling" color="#388E3C" fillcolor="#F1F8E9" shape=box style=filled]
+	N10 [label="Wind Speed and Direction" color="#388E3C" fillcolor="#F1F8E9" shape=database style=filled]
+	N11 [label="Meteorological Station Maintenance" color="#6EB76D" fillcolor="#E9F7E8" shape=hexagon style=filled]
+	N12 [label="Weather Forecasting" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	S1 [label="" color="#388E3C" fillcolor="#F1F8E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#E91E63" fillcolor="#F8BBD0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#E91E63" fillcolor="#F8BBD0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Storm Tracking {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Storm Tracking"
+		nest0_0 [label="Humidity Sensing" color="#6EB76D" fillcolor="#E9F7E8" shape=inputoutput style=filled]
+		nest0_1 [label="Pollution Dispersion Modeling" color="#6EB76D" fillcolor="#E9F7E8" shape=ellipse style=filled]
+		nest0_2 [label="Fire Weather Forecasting" color="#E91E63" fillcolor="#F8BBD0" shape=document style=filled]
+		nest0_3 [label="Aviation Weather Briefing" color="#388E3C" fillcolor="#F1F8E9" shape=hexagon style=filled]
+	}
+	subgraph cluster_Seasonal Outlook Preparation {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Seasonal Outlook Preparation"
+		nest1_0 [label="Lightning Detection" color="#6EB76D" fillcolor="#E9F7E8" shape=preparation style=filled]
+		nest1_1 [label="Precipitation Measurement" color="#388E3C" fillcolor="#F1F8E9" shape=document style=filled]
+		nest1_2 [label="Synoptic Chart Analysis" color="#6EB76D" fillcolor="#E9F7E8" shape=predefinedprocess style=filled]
+	}
+	N0 -> N1 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#6EB76D" penwidth=1.5 style=dashed label="processes" dir=forward]
+	N9 -> N10 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	N11 -> N12 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N2 -> nest0_0 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest1_0 -> nest1_1 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	nest1_1 -> nest1_2 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N6 -> nest1_0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest1_2 -> N1 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	N5 -> S1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N8 [color="#388E3C" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N9 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N9 -> M0 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> M0 [color="#6EB76D" penwidth=1.5 style=dashed label="distributes" dir=forward]
+	N3 -> M0 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N12 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> M1 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	M1 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_281.txt b/test/diagrams/scanned_easy/diagrams_281.txt
new file mode 100644
index 0000000000000000000000000000000000000000..eb28b1ee9f0c1aa7b8a0e140df0c011abbbb734d
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_281.txt
@@ -0,0 +1,30 @@
+<Arctic Weather Research, connectedTo, Mesoscale Meteorology>
+<Arctic Weather Research, connectedTo, Weather Forecasting>
+<Atmospheric Sounding, connectedTo, Climate Modeling>
+<Atmospheric Sounding, connectedTo, Cloud Observation>
+<Atmospheric Sounding, connectedTo, Hurricane Trajectory Modeling>
+<Atmospheric Sounding, connectedTo, Meteorological Station Maintenance>
+<Atmospheric Sounding, distributes, Weather Forecasting>
+<Aviation Weather Briefing, connectedTo, Satellite Meteorology>
+<Climate Change Impact Study, connectedTo, Arctic Weather Research>
+<Climate Change Impact Study, connectedTo, Meteorological Instrument Calibration>
+<Climate Modeling, processes, Hurricane Trajectory Modeling>
+<Cloud Observation, connectedTo, Lightning Detection>
+<Cloud Observation, connectedTo, Satellite Meteorology>
+<Fire Weather Forecasting, connectedTo, Aviation Weather Briefing>
+<Humidity Sensing, connectedTo, Pollution Dispersion Modeling>
+<Hurricane Trajectory Modeling, connectedTo, Weather Forecasting>
+<Hurricane Trajectory Modeling, connectedTo, Wind Speed and Direction>
+<Lightning Detection, connectedTo, Precipitation Measurement>
+<Mesoscale Meteorology, connectedTo, Atmospheric Sounding>
+<Meteorological Instrument Calibration, connectedTo, Arctic Weather Research>
+<Meteorological Instrument Calibration, connectedTo, Upper Air Chart Analysis>
+<Meteorological Instrument Calibration, connectedTo, Weather Forecasting>
+<Meteorological Station Maintenance, connectedTo, Weather Forecasting>
+<Pollution Dispersion Modeling, connectedTo, Fire Weather Forecasting>
+<Precipitation Measurement, connectedTo, Synoptic Chart Analysis>
+<Satellite Meteorology, connectedTo, Climate Modeling>
+<Synoptic Chart Analysis, connectedTo, Meteorological Instrument Calibration>
+<Upper Air Chart Analysis, connectedTo, Arctic Weather Research>
+<Upper Air Chart Analysis, connectedTo, Humidity Sensing>
+<Wind Speed and Direction, connectedTo, Meteorological Station Maintenance>
diff --git a/test/diagrams/scanned_easy/diagrams_283.txt b/test/diagrams/scanned_easy/diagrams_283.txt
new file mode 100644
index 0000000000000000000000000000000000000000..eccfc664761f4f8241d3bf94f606c82ab2f0914d
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_283.txt
@@ -0,0 +1,24 @@
+<Agricultural Water Use Efficiency, connectedTo, Stormwater Management>
+<Billing and Revenue Management, connectedTo, Agricultural Water Use Efficiency>
+<Climate Change Adaptation for Water, connectedTo, Water Loss Detection>
+<Drinking Water Standards Compliance, connectedTo, Water Resource Planning>
+<Ecosystem Protection, connectedTo, Drinking Water Standards Compliance>
+<Ecosystem Protection, connectedTo, Stormwater Management>
+<Environmental Flow Assessment, connectedTo, Flood Control>
+<Flood Control, connectedTo, Wastewater Treatment>
+<Greywater Recycling, monitors, Environmental Flow Assessment>
+<Hydroelectric Power Generation, connectedTo, Agricultural Water Use Efficiency>
+<Hydroelectric Power Generation, connectedTo, Drinking Water Standards Compliance>
+<Hydroelectric Power Generation, connectedTo, Ecosystem Protection>
+<Hydroelectric Power Generation, connectedTo, Public Awareness Campaigns>
+<Hydroelectric Power Generation, connectedTo, Stormwater Management>
+<Hydroelectric Power Generation, protects, Water Resource Planning>
+<Industrial Water Use Optimization, connectedTo, Climate Change Adaptation for Water>
+<Piping Network Repair, treats, Ecosystem Protection>
+<Public Awareness Campaigns, connectedTo, Ecosystem Protection>
+<Public Awareness Campaigns, connectedTo, Greywater Recycling>
+<Public Awareness Campaigns, connectedTo, Industrial Water Use Optimization>
+<Stormwater Management, connectedTo, Drought Management>
+<Wastewater Treatment, connectedTo, Water Resource Planning>
+<Water Loss Detection, connectedTo, Piping Network Repair>
+<Water Resource Planning, connectedTo, Billing and Revenue Management>
diff --git a/test/diagrams/scanned_easy/diagrams_284.txt b/test/diagrams/scanned_easy/diagrams_284.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d3a0c079263143c85ae7f25340834548b108d2ab
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_284.txt
@@ -0,0 +1,27 @@
+<Battery Recycling, connectedTo, Paper Recycling>
+<Cleaning and Processing, connectedTo, Collection Point Management>
+<Cleaning and Processing, connectedTo, Construction Waste Recycling>
+<Cleaning and Processing, connectedTo, Deposit_Return Schemes>
+<Cleaning and Processing, connectedTo, Industrial Recycling Programs>
+<Cleaning and Processing, connectedTo, Paper Recycling>
+<Cleaning and Processing, connectedTo, Reprocessing into Raw Material>
+<Collection Point Management, connectedTo, Deposit_Return Schemes>
+<Collection Point Management, connectedTo, Industrial Recycling Programs>
+<Collection Point Management, connectedTo, Recycling Policy Advocacy>
+<Construction Waste Recycling, connectedTo, Paper Recycling>
+<Contamination Reduction, compacts, Metal Recycling>
+<Deposit_Return Schemes, connectedTo, Industrial Recycling Programs>
+<Deposit_Return Schemes, connectedTo, Reprocessing into Raw Material>
+<Electronic Waste Recycling, connectedTo, Battery Recycling>
+<Industrial Recycling Programs, connectedTo, Advanced Sorting Technologies>
+<Industrial Recycling Programs, connectedTo, Construction Waste Recycling>
+<Industrial Recycling Programs, connectedTo, Paper Recycling>
+<Industrial Recycling Programs, connectedTo, Recycling Data Tracking>
+<Industrial Recycling Programs, connectedTo, Reprocessing into Raw Material>
+<Metal Recycling, connectedTo, Electronic Waste Recycling>
+<Paper Recycling, connectedTo, Contamination Reduction>
+<Paper Recycling, connectedTo, Recycling Data Tracking>
+<Recycling Data Tracking, forms, Advanced Sorting Technologies>
+<Recycling Policy Advocacy, connectedTo, Sorting and Segregation>
+<Reprocessing into Raw Material, connectedTo, Construction Waste Recycling>
+<Sorting and Segregation, connectedTo, Collection Point Management>
diff --git a/test/diagrams/scanned_easy/diagrams_287.txt b/test/diagrams/scanned_easy/diagrams_287.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4c660b72065999688a69bd40aceb628369fe8533
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_287.txt
@@ -0,0 +1,27 @@
+<Childcare Facility Licensing, connectedTo, Nap Time Supervision>
+<Daily Activity Reporting, connectedTo, Special Needs Accommodation>
+<Diaper Changing, connectedTo, Outdoor Exploration>
+<Diaper Changing, connectedTo, Parent Communication>
+<Early Literacy Programs, connectedTo, Infant Care>
+<Early Literacy Programs, connectedTo, Nap Time Supervision>
+<Emergency Evacuation Drills, connectedTo, Emotional Support>
+<Emotional Support, connectedTo, Diaper Changing>
+<Field Trip Organization, connectedTo, Daily Activity Reporting>
+<Field Trip Organization, connectedTo, Diaper Changing>
+<Field Trip Organization, connectedTo, Infant Care>
+<Field Trip Organization, connectedTo, Nap Time Supervision>
+<Field Trip Organization, connectedTo, Special Needs Accommodation>
+<Field Trip Organization, inspects, Parent Communication>
+<Hygiene Practices, connectedTo, Potty Training Assistance>
+<Infant Care, administers, Emotional Support>
+<Infant Care, connectedTo, Emergency Evacuation Drills>
+<Infant Care, connectedTo, Hygiene Practices>
+<Nap Time Supervision, connectedTo, Emotional Support>
+<Nap Time Supervision, connectedTo, Infant Care>
+<Nap Time Supervision, connectedTo, Social Skill Development>
+<Outdoor Exploration, connectedTo, Childcare Facility Licensing>
+<Parent Communication, connectedTo, Story Time Reading>
+<Potty Training Assistance, supports, Daily Activity Reporting>
+<Social Skill Development, connectedTo, Infant Care>
+<Special Needs Accommodation, connectedTo, Early Literacy Programs>
+<Special Needs Accommodation, connectedTo, Infant Care>
diff --git a/test/diagrams/scanned_easy/diagrams_288.dot b/test/diagrams/scanned_easy/diagrams_288.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6a42ebd834f0b0f426bc2b2ce2f5f1d2144227de
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_288.dot
@@ -0,0 +1,63 @@
+digraph {
+	rankdir=TB
+	N0 [label="Social Engagement Activities" color="#FFCC80" fillcolor="#FFF0CC" shape=multipledocuments style=filled]
+	N1 [label="Cognitive Stimulation Activities" color="#D3EB9F" fillcolor="#F8FDD3" shape=box style=filled]
+	N2 [label="Smart Home Integration for Seniors" color="#FFCC80" fillcolor="#FFF0CC" shape=hexagon style=filled]
+	N3 [label="Companionship" color="#D3EB9F" fillcolor="#F8FDD3" shape=multipledocuments style=filled]
+	N4 [label="Physical Therapy" color="#D3EB9F" fillcolor="#F8FDD3" shape=parallelogram style=filled]
+	N5 [label="Hospice Care Coordination" color="#FBC02D" fillcolor="#FFFDE7" shape=vnode_shape style=filled]
+	N6 [label="Nutritional Assessment" color="#FFCC80" fillcolor="#FFF0CC" shape=rectangle style=filled]
+	N7 [label="Emergency Response System Monitoring" color="#D3EB9F" fillcolor="#F8FDD3" shape=action style=filled]
+	N8 [label="Health Monitoring" color="#FBC02D" fillcolor="#FFFDE7" shape=database style=filled]
+	N9 [label="Occupational Therapy" color="#FFCC80" fillcolor="#FFF0CC" shape=parallelogram style=filled]
+	N10 [label="Home Health Aide Services" color="#FBC02D" fillcolor="#FFFDE7" shape=box style=filled]
+	N11 [label="Elder Abuse Prevention" color="#FFCC80" fillcolor="#FFF0CC" shape=predefinedprocess style=filled]
+	N12 [label="Family Communication" color="#FFCC80" fillcolor="#FFF0CC" shape=rect style=filled]
+	S1 [label="" color="#FFCC80" fillcolor="#FFF0CC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#D3EB9F" fillcolor="#F8FDD3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFCC80" fillcolor="#FFF0CC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Rehabilitation Support {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Rehabilitation Support"
+		nest0_0 [label="Recreational Activities Planning" color="#D3EB9F" fillcolor="#F8FDD3" shape=multipledocuments style=filled]
+		nest0_1 [label="Incontinence Care" color="#D3EB9F" fillcolor="#F8FDD3" shape=box style=filled]
+	}
+	subgraph cluster_Nursing Care {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Nursing Care"
+		nest1_0 [label="Pain Management" color="#FFCC80" fillcolor="#FFF0CC" shape=box style=filled]
+		nest1_1 [label="Community Resource Connection" color="#FBC02D" fillcolor="#FFFDE7" shape=action style=filled]
+		nest1_2 [label="Telehealth for Seniors" color="#D3EB9F" fillcolor="#F8FDD3" shape=box style=filled]
+	}
+	N0 -> N1 [color="#D3EB9F" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#D3EB9F" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N11 -> N12 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	N9 -> nest0_0 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N7 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	nest1_0 -> nest1_1 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	nest1_1 -> nest1_2 [color="#FFCC80" penwidth=1.5 style=solid label="facilitates" dir=forward]
+	N3 -> nest1_0 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	nest1_2 -> N3 [color="#D3EB9F" penwidth=1.5 style=dashed dir=forward]
+	N0 -> S1 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	S1 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N10 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> S2 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N12 [color="#000000" penwidth=1.5 style=dashed label="plans" dir=forward]
+	S2 -> N11 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N0 -> M0 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M0 [color="#000000" penwidth=1.5 style=dashed label="recommends" dir=forward]
+	M0 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_288.txt b/test/diagrams/scanned_easy/diagrams_288.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b18925c1618ab28be14705693c3a45b3429f85a6
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_288.txt
@@ -0,0 +1,26 @@
+<Cognitive Stimulation Activities, connectedTo, Smart Home Integration for Seniors>
+<Cognitive Stimulation Activities, recommends, Companionship>
+<Community Resource Connection, facilitates, Telehealth for Seniors>
+<Companionship, connectedTo, Pain Management>
+<Companionship, connectedTo, Physical Therapy>
+<Elder Abuse Prevention, connectedTo, Family Communication>
+<Emergency Response System Monitoring, connectedTo, Health Monitoring>
+<Health Monitoring, connectedTo, Occupational Therapy>
+<Home Health Aide Services, connectedTo, Elder Abuse Prevention>
+<Hospice Care Coordination, connectedTo, Nutritional Assessment>
+<Incontinence Care, connectedTo, Emergency Response System Monitoring>
+<Nutritional Assessment, connectedTo, Emergency Response System Monitoring>
+<Occupational Therapy, connectedTo, Elder Abuse Prevention>
+<Occupational Therapy, connectedTo, Home Health Aide Services>
+<Occupational Therapy, connectedTo, Recreational Activities Planning>
+<Occupational Therapy, plans, Family Communication>
+<Pain Management, connectedTo, Community Resource Connection>
+<Physical Therapy, connectedTo, Hospice Care Coordination>
+<Recreational Activities Planning, connectedTo, Incontinence Care>
+<Smart Home Integration for Seniors, connectedTo, Companionship>
+<Social Engagement Activities, connectedTo, Cognitive Stimulation Activities>
+<Social Engagement Activities, connectedTo, Companionship>
+<Social Engagement Activities, connectedTo, Health Monitoring>
+<Social Engagement Activities, connectedTo, Home Health Aide Services>
+<Social Engagement Activities, connectedTo, Occupational Therapy>
+<Telehealth for Seniors, connectedTo, Companionship>
diff --git a/test/diagrams/scanned_easy/diagrams_289.dot b/test/diagrams/scanned_easy/diagrams_289.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c5201afc96ec0eb6453d652ec90a5dd751785ea8
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_289.dot
@@ -0,0 +1,83 @@
+digraph {
+	rankdir=BT
+	N0 [label="Cash Transfer Programs" color="#00BCD4" fillcolor="#B2EBF2" shape=action style=filled]
+	N1 [label="Debris Management" color="#00BCD4" fillcolor="#B2EBF2" shape=database style=filled]
+	N2 [label="Capacity Building for Local Communities" color="#E0E0E0" fillcolor="#EBEBEB" shape=action style=filled]
+	N3 [label="Communication Protocols" color="#CB9BE1" fillcolor="#F2E6F5" shape=preparation style=filled]
+	N4 [label="Economic Recovery Initiatives" color="#E0E0E0" fillcolor="#EBEBEB" shape=multipledocuments style=filled]
+	N5 [label="Shelter Management" color="#E0E0E0" fillcolor="#EBEBEB" shape=diamond style=filled]
+	N6 [label="Damage Assessment" color="#CB9BE1" fillcolor="#F2E6F5" shape=vnode_shape style=filled]
+	N7 [label="Information Dissemination" color="#00BCD4" fillcolor="#B2EBF2" shape=rect style=filled]
+	N8 [label="Evacuation Procedures" color="#CB9BE1" fillcolor="#F2E6F5" shape=parallelogram style=filled]
+	N9 [label="Climate Change Adaptation for Disasters" color="#00BCD4" fillcolor="#B2EBF2" shape=database style=filled]
+	N10 [label="Drone Deployment for Assessment" color="#E0E0E0" fillcolor="#EBEBEB" shape=parallelogram style=filled]
+	N11 [label="Early Warning Systems" color="#E0E0E0" fillcolor="#EBEBEB" shape=preparation style=filled]
+	N12 [label="Infrastructure Repair" color="#CB9BE1" fillcolor="#F2E6F5" shape=action style=filled]
+	S0 [label="" color="#00BCD4" fillcolor="#B2EBF2" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#E0E0E0" fillcolor="#EBEBEB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#CB9BE1" fillcolor="#F2E6F5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#E0E0E0" fillcolor="#EBEBEB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#00BCD4" fillcolor="#B2EBF2" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M2 [label="" color="#E0E0E0" fillcolor="#EBEBEB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Recovery Planning {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Recovery Planning"
+		nest0_0 [label="Logistics and Supply Chain" color="#E0E0E0" fillcolor="#EBEBEB" shape=multipledocuments style=filled]
+		nest0_1 [label="International Aid Coordination" color="#CB9BE1" fillcolor="#F2E6F5" shape=inputoutput style=filled]
+		nest0_2 [label="Medical Aid Deployment" color="#CB9BE1" fillcolor="#F2E6F5" shape=inputoutput style=filled]
+	}
+	subgraph cluster_Vulnerability Analysis {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Vulnerability Analysis"
+		nest1_0 [label="Emergency Response" color="#CB9BE1" fillcolor="#F2E6F5" shape=ellipse style=filled]
+		nest1_1 [label="Emergency Planning" color="#CB9BE1" fillcolor="#F2E6F5" shape=diamond style=filled]
+		nest1_2 [label="Reconstruction" color="#00BCD4" fillcolor="#B2EBF2" shape=parallelogram style=filled]
+		nest1_3 [label="Risk Assessment" color="#00BCD4" fillcolor="#B2EBF2" shape=inputoutput style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="evaluates" dir=forward]
+	N8 -> N9 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N7 -> nest0_0 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> N10 [color="#00BCD4" penwidth=1.5 style=solid label="trains" dir=forward]
+	nest1_0 -> nest1_1 [color="#00BCD4" penwidth=1.5 style=dashed label="protects" dir=forward]
+	nest1_1 -> nest1_2 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	nest1_2 -> nest1_3 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	N10 -> nest1_0 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	nest1_3 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> S0 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	S0 -> N11 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N12 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	N8 -> S1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N11 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N12 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> S2 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N10 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	S2 -> N12 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	N5 -> M0 [color="#E0E0E0" penwidth=1.5 style=dashed label="donates" dir=forward]
+	N7 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> M0 [color="#CB9BE1" penwidth=1.5 style=dashed label="assesses" dir=forward]
+	M0 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> M1 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> M1 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N7 -> M1 [color="#E0E0E0" penwidth=1.5 style=dashed label="deploys" dir=forward]
+	M1 -> N11 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	N6 -> M2 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	N8 -> M2 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	M2 -> N12 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_289.txt b/test/diagrams/scanned_easy/diagrams_289.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6468e9549e96f9ea6fc868a470a6f5d09e455195
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_289.txt
@@ -0,0 +1,32 @@
+<Capacity Building for Local Communities, connectedTo, Communication Protocols>
+<Capacity Building for Local Communities, connectedTo, Early Warning Systems>
+<Cash Transfer Programs, connectedTo, Debris Management>
+<Cash Transfer Programs, connectedTo, Early Warning Systems>
+<Climate Change Adaptation for Disasters, connectedTo, Drone Deployment for Assessment>
+<Climate Change Adaptation for Disasters, connectedTo, Early Warning Systems>
+<Communication Protocols, connectedTo, Economic Recovery Initiatives>
+<Damage Assessment, assesses, Climate Change Adaptation for Disasters>
+<Damage Assessment, connectedTo, Information Dissemination>
+<Damage Assessment, connectedTo, Infrastructure Repair>
+<Debris Management, connectedTo, Capacity Building for Local Communities>
+<Drone Deployment for Assessment, connectedTo, Early Warning Systems>
+<Drone Deployment for Assessment, connectedTo, Emergency Response>
+<Early Warning Systems, connectedTo, Infrastructure Repair>
+<Economic Recovery Initiatives, connectedTo, Shelter Management>
+<Emergency Planning, connectedTo, Reconstruction>
+<Emergency Response, protects, Emergency Planning>
+<Evacuation Procedures, connectedTo, Climate Change Adaptation for Disasters>
+<Evacuation Procedures, connectedTo, Drone Deployment for Assessment>
+<Evacuation Procedures, connectedTo, Early Warning Systems>
+<Evacuation Procedures, connectedTo, Infrastructure Repair>
+<Information Dissemination, connectedTo, Climate Change Adaptation for Disasters>
+<Information Dissemination, connectedTo, Logistics and Supply Chain>
+<Information Dissemination, deploys, Early Warning Systems>
+<Information Dissemination, evaluates, Evacuation Procedures>
+<International Aid Coordination, connectedTo, Medical Aid Deployment>
+<Logistics and Supply Chain, connectedTo, International Aid Coordination>
+<Medical Aid Deployment, trains, Drone Deployment for Assessment>
+<Reconstruction, connectedTo, Risk Assessment>
+<Risk Assessment, connectedTo, Information Dissemination>
+<Shelter Management, connectedTo, Damage Assessment>
+<Shelter Management, donates, Climate Change Adaptation for Disasters>
diff --git a/test/diagrams/scanned_easy/diagrams_290.dot b/test/diagrams/scanned_easy/diagrams_290.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0001a3acdde32beda7d8535d68a715e61bab2928
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_290.dot
@@ -0,0 +1,66 @@
+digraph {
+	rankdir=BT
+	N0 [label="Family Support Programs" color="#81C784" fillcolor="#F1F8E9" shape=predefinedprocess style=filled]
+	N1 [label="Surveillance" color="#81C784" fillcolor="#F1F8E9" shape=diamond style=filled]
+	N2 [label="Peacekeeping Missions" color="#81C784" fillcolor="#F1F8E9" shape=document style=filled]
+	N3 [label="Demobilization" color="#03A9F4" fillcolor="#B3E5FC" shape=parallelogram style=filled]
+	N4 [label="Operations Planning" color="#D2D2D2" fillcolor="#F0F0F0" shape=inputoutput style=filled]
+	N5 [label="Ground Operations" color="#D2D2D2" fillcolor="#F0F0F0" shape=rect style=filled]
+	N6 [label="Unmanned Systems Operation" color="#D2D2D2" fillcolor="#F0F0F0" shape=parallelogram style=filled]
+	S0 [label="" color="#D2D2D2" fillcolor="#F0F0F0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#81C784" fillcolor="#F1F8E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#81C784" fillcolor="#F1F8E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#03A9F4" fillcolor="#B3E5FC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#03A9F4" fillcolor="#B3E5FC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Logistics Support {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Logistics Support"
+		nest0_0 [label="Air Operations" color="#03A9F4" fillcolor="#B3E5FC" shape=hexagon style=filled]
+		nest0_1 [label="Cyber Warfare Operations" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+		nest0_2 [label="Military Strategy Development" color="#D2D2D2" fillcolor="#F0F0F0" shape=vnode_shape style=filled]
+		nest0_3 [label="Weapon Systems Development" color="#03A9F4" fillcolor="#B3E5FC" shape=rect style=filled]
+	}
+	subgraph cluster_Military Law {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Military Law"
+		nest1_0 [label="Force Projection" color="#03A9F4" fillcolor="#B3E5FC" shape=predefinedprocess style=filled]
+		nest1_1 [label="Equipment Maintenance" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+		nest1_2 [label="Civil_Military Cooperation" color="#81C784" fillcolor="#F1F8E9" shape=diamond style=filled]
+		nest1_3 [label="Medical Support" color="#81C784" fillcolor="#F1F8E9" shape=ellipse style=filled]
+	}
+	N0 -> N1 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="warns" dir=forward]
+	N3 -> N4 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N5 -> nest0_0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N4 [color="#03A9F4" penwidth=1.5 style=solid label="executes" dir=forward]
+	nest1_0 -> nest1_1 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	nest1_1 -> nest1_2 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	nest1_2 -> nest1_3 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	N5 -> nest1_0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest1_3 -> N1 [color="#D2D2D2" penwidth=1.5 style=dashed dir=forward]
+	N1 -> S0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N4 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	S0 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N6 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	N1 -> S1 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N3 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N6 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N3 -> S2 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+	S2 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N6 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	N0 -> M0 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+	N2 -> M0 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> M1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M1 [color="#D2D2D2" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N3 [color="#D2D2D2" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_290.txt b/test/diagrams/scanned_easy/diagrams_290.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8c0ebccf79e3e306139e026c92842492f3bcb60f
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_290.txt
@@ -0,0 +1,25 @@
+<Air Operations, connectedTo, Cyber Warfare Operations>
+<Civil_Military Cooperation, connectedTo, Medical Support>
+<Cyber Warfare Operations, connectedTo, Military Strategy Development>
+<Demobilization, connectedTo, Ground Operations>
+<Demobilization, connectedTo, Operations Planning>
+<Demobilization, connectedTo, Unmanned Systems Operation>
+<Equipment Maintenance, connectedTo, Civil_Military Cooperation>
+<Family Support Programs, connectedTo, Demobilization>
+<Family Support Programs, connectedTo, Operations Planning>
+<Family Support Programs, connectedTo, Surveillance>
+<Force Projection, connectedTo, Equipment Maintenance>
+<Ground Operations, connectedTo, Air Operations>
+<Ground Operations, connectedTo, Force Projection>
+<Ground Operations, connectedTo, Unmanned Systems Operation>
+<Medical Support, connectedTo, Surveillance>
+<Military Strategy Development, connectedTo, Weapon Systems Development>
+<Operations Planning, connectedTo, Ground Operations>
+<Peacekeeping Missions, connectedTo, Operations Planning>
+<Peacekeeping Missions, warns, Demobilization>
+<Surveillance, connectedTo, Demobilization>
+<Surveillance, connectedTo, Ground Operations>
+<Surveillance, connectedTo, Operations Planning>
+<Surveillance, connectedTo, Peacekeeping Missions>
+<Surveillance, connectedTo, Unmanned Systems Operation>
+<Weapon Systems Development, executes, Operations Planning>
diff --git a/test/diagrams/scanned_easy/diagrams_291.dot b/test/diagrams/scanned_easy/diagrams_291.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6bfe51fbb8c0162c4a362a2fbe48be9a4ec27b66
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_291.dot
@@ -0,0 +1,84 @@
+digraph {
+	rankdir=LR
+	N0 [label="Aviation Safety Investigation" color="#FFCC7A" fillcolor="#FFF6D9" shape=preparation style=filled]
+	N1 [label="Aircraft Maintenance" color="#7E57C2" fillcolor="#EDE7F6" shape=rect style=filled]
+	N2 [label="Aircraft Manufacturing" color="#FFCC7A" fillcolor="#FFF6D9" shape=preparation style=filled]
+	N3 [label="Passenger Boarding" color="#FFCC7A" fillcolor="#FFF6D9" shape=rectangle style=filled]
+	N4 [label="Runway Management" color="#7E57C2" fillcolor="#EDE7F6" shape=hexagon style=filled]
+	N5 [label="Noise Abatement Procedures" color="#E0E0E0" fillcolor="#EBEBEB" shape=parallelogram style=filled]
+	N6 [label="Navigation System Check" color="#7E57C2" fillcolor="#EDE7F6" shape=database style=filled]
+	N7 [label="Security Screening" color="#FFCC7A" fillcolor="#FFF6D9" shape=rect style=filled]
+	N8 [label="Aerospace Engineering" color="#FFCC7A" fillcolor="#FFF6D9" shape=diamond style=filled]
+	N9 [label="Airspace Management" color="#FFCC7A" fillcolor="#FFF6D9" shape=hexagon style=filled]
+	N10 [label="Avionics Repair" color="#7E57C2" fillcolor="#EDE7F6" shape=hexagon style=filled]
+	N11 [label="Ground Support" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+	N12 [label="Route Optimization" color="#FFCC7A" fillcolor="#FFF6D9" shape=diamond style=filled]
+	S0 [label="" color="#E0E0E0" fillcolor="#EBEBEB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#7E57C2" fillcolor="#EDE7F6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#E0E0E0" fillcolor="#EBEBEB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#7E57C2" fillcolor="#EDE7F6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#E0E0E0" fillcolor="#EBEBEB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M2 [label="" color="#7E57C2" fillcolor="#EDE7F6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Gate Assignment {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Gate Assignment"
+		nest0_0 [label="Cargo Loading" color="#FFCC7A" fillcolor="#FFF6D9" shape=box style=filled]
+		nest0_1 [label="Engine Overhaul" color="#7E57C2" fillcolor="#EDE7F6" shape=action style=filled]
+		nest0_2 [label="Unmanned Aerial Vehicle Integration" color="#FFCC7A" fillcolor="#FFF6D9" shape=inputoutput style=filled]
+	}
+	subgraph cluster_Airworthiness Certification {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Airworthiness Certification"
+		nest1_0 [label="Crew Scheduling" color="#E0E0E0" fillcolor="#EBEBEB" shape=box style=filled]
+		nest1_1 [label="Air Cargo Logistics" color="#E0E0E0" fillcolor="#EBEBEB" shape=database style=filled]
+		nest1_2 [label="Airport Operations" color="#E0E0E0" fillcolor="#EBEBEB" shape=inputoutput style=filled]
+	}
+	N0 -> N1 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FFCC7A" penwidth=1.5 style=solid label="documents" dir=forward]
+	N2 -> N3 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed label="guides" dir=forward]
+	N11 -> N12 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#7E57C2" penwidth=1.5 style=solid label="reports" dir=forward]
+	N5 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N12 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest1_0 -> nest1_1 [color="#7E57C2" penwidth=1.5 style=solid label="routes" dir=forward]
+	nest1_1 -> nest1_2 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	N8 -> nest1_0 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	nest1_2 -> N3 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	N1 -> S0 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	S0 -> N9 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N8 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	S0 -> N12 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	S0 -> N3 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	N9 -> S1 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N11 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N12 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N0 -> S2 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	S2 -> N12 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	S2 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N11 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S2 -> N3 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	N5 -> M0 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N2 -> M0 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N3 -> M0 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M0 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	M0 -> N8 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N3 -> M1 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N5 -> M1 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	M1 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> M2 [color="#FFCC7A" penwidth=1.5 style=dashed dir=forward]
+	N6 -> M2 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	N0 -> M2 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N1 -> M2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M2 -> N12 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_291.txt b/test/diagrams/scanned_easy/diagrams_291.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cc905aa676e9fb0b28ed677ede519e195d81bd02
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_291.txt
@@ -0,0 +1,37 @@
+<Aerospace Engineering, connectedTo, Airspace Management>
+<Aerospace Engineering, connectedTo, Crew Scheduling>
+<Air Cargo Logistics, connectedTo, Airport Operations>
+<Aircraft Maintenance, connectedTo, Aerospace Engineering>
+<Aircraft Maintenance, connectedTo, Airspace Management>
+<Aircraft Maintenance, connectedTo, Passenger Boarding>
+<Aircraft Maintenance, connectedTo, Route Optimization>
+<Aircraft Maintenance, documents, Aircraft Manufacturing>
+<Aircraft Manufacturing, connectedTo, Aerospace Engineering>
+<Aircraft Manufacturing, connectedTo, Passenger Boarding>
+<Airport Operations, connectedTo, Passenger Boarding>
+<Airspace Management, connectedTo, Avionics Repair>
+<Airspace Management, connectedTo, Ground Support>
+<Airspace Management, connectedTo, Route Optimization>
+<Aviation Safety Investigation, connectedTo, Aircraft Maintenance>
+<Aviation Safety Investigation, connectedTo, Avionics Repair>
+<Aviation Safety Investigation, connectedTo, Ground Support>
+<Aviation Safety Investigation, connectedTo, Passenger Boarding>
+<Aviation Safety Investigation, connectedTo, Route Optimization>
+<Avionics Repair, guides, Ground Support>
+<Cargo Loading, connectedTo, Engine Overhaul>
+<Crew Scheduling, routes, Air Cargo Logistics>
+<Engine Overhaul, reports, Unmanned Aerial Vehicle Integration>
+<Ground Support, connectedTo, Route Optimization>
+<Navigation System Check, connectedTo, Route Optimization>
+<Navigation System Check, connectedTo, Security Screening>
+<Noise Abatement Procedures, connectedTo, Aerospace Engineering>
+<Noise Abatement Procedures, connectedTo, Cargo Loading>
+<Noise Abatement Procedures, connectedTo, Navigation System Check>
+<Noise Abatement Procedures, connectedTo, Security Screening>
+<Passenger Boarding, connectedTo, Aerospace Engineering>
+<Passenger Boarding, connectedTo, Route Optimization>
+<Passenger Boarding, connectedTo, Runway Management>
+<Passenger Boarding, connectedTo, Security Screening>
+<Runway Management, connectedTo, Noise Abatement Procedures>
+<Security Screening, connectedTo, Aerospace Engineering>
+<Unmanned Aerial Vehicle Integration, connectedTo, Route Optimization>
diff --git a/test/diagrams/scanned_easy/diagrams_293.txt b/test/diagrams/scanned_easy/diagrams_293.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0453ac89d4ed1d9d3e30d6372233b2f6716b8ec5
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_293.txt
@@ -0,0 +1,36 @@
+<Additive Manufacturing, connectedTo, Food Printing>
+<Additive Manufacturing, connectedTo, Material Selection>
+<Additive Manufacturing, connectedTo, Scaffolding for Tissue Engineering>
+<Aerospace Part Production, connectedTo, Additive Manufacturing>
+<Aerospace Part Production, connectedTo, Maintenance and Repair of Printers>
+<Aerospace Part Production, connectedTo, Quality Control>
+<Aerospace Part Production, connectedTo, Scaffolding for Tissue Engineering>
+<Aerospace Part Production, maintains, Reverse Engineering with 3D Printing>
+<Bioprinting, connectedTo, Printer Setup>
+<Consumer Product Creation, connectedTo, Additive Manufacturing>
+<Consumer Product Creation, connectedTo, Direct Metal Laser Sintering>
+<Consumer Product Creation, connectedTo, Scaffolding for Tissue Engineering>
+<Distributed Manufacturing, connectedTo, Printing Parameter Optimization>
+<Distributed Manufacturing, connectedTo, Slicing Software Operation>
+<Educational Applications, connectedTo, Consumer Product Creation>
+<Educational Applications, connectedTo, Material Selection>
+<Food Printing, shares, Stereolithography>
+<Maintenance and Repair of Printers, connectedTo, Quality Control>
+<Maintenance and Repair of Printers, connectedTo, Scaffolding for Tissue Engineering>
+<Material Research and Development, connectedTo, Aerospace Part Production>
+<Material Selection, connectedTo, Direct Metal Laser Sintering>
+<Printer Setup, connectedTo, Additive Manufacturing>
+<Printing Parameter Optimization, engineers, Support Structure Design>
+<Printing Process, connectedTo, Rapid Manufacturing>
+<Quality Control, connectedTo, Distributed Manufacturing>
+<Quality Control, connectedTo, Material Selection>
+<Rapid Manufacturing, connectedTo, Additive Manufacturing>
+<Rapid Manufacturing, connectedTo, Reverse Engineering with 3D Printing>
+<Reverse Engineering with 3D Printing, connectedTo, Educational Applications>
+<Reverse Engineering with 3D Printing, prints, Scaffolding for Tissue Engineering>
+<Scaffolding for Tissue Engineering, connectedTo, Material Selection>
+<Slicing Software Operation, connectedTo, Material Selection>
+<Slicing Software Operation, connectedTo, Printing Process>
+<Slicing Software Operation, tests, Direct Metal Laser Sintering>
+<Stereolithography, connectedTo, Bioprinting>
+<Support Structure Design, connectedTo, Scaffolding for Tissue Engineering>
diff --git a/test/diagrams/scanned_easy/diagrams_294.txt b/test/diagrams/scanned_easy/diagrams_294.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cf070a529e5e943190958e90596d429e422c306c
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_294.txt
@@ -0,0 +1,35 @@
+<Advanced Materials Research, connectedTo, Nanocoatings>
+<Advanced Materials Research, connectedTo, Nanocomposites>
+<Advanced Materials Research, connectedTo, Nanotoxicology>
+<Advanced Materials Research, connectedTo, Transmission Electron Microscopy>
+<Atomic Force Microscopy, connectedTo, Nanodevice Fabrication>
+<Catalysis at Nanoscale, connectedTo, Nanofabrication Techniques>
+<Food Packaging Improvement, connectedTo, Nanotoxicology>
+<Food Packaging Improvement, connectedTo, Scanning Electron Microscopy>
+<Lab_on_a_Chip Devices, connectedTo, Nanocoatings>
+<Lab_on_a_Chip Devices, connectedTo, Nanocomposites>
+<Lab_on_a_Chip Devices, connectedTo, Nanotoxicology>
+<Lab_on_a_Chip Devices, connectedTo, Transmission Electron Microscopy>
+<Lab_on_a_Chip Devices, engineers, Advanced Materials Research>
+<Nanocomposites, connectedTo, Catalysis at Nanoscale>
+<Nanocomposites, connectedTo, Nanocoatings>
+<Nanodevice Fabrication, connectedTo, Food Packaging Improvement>
+<Nanoelectronics, connectedTo, Nanosensors>
+<Nanofabrication Techniques, connectedTo, Atomic Force Microscopy>
+<Nanosensors, connectedTo, Lab_on_a_Chip Devices>
+<Nanosensors, connectedTo, Quantum Computing Integration>
+<Nanotoxicology, connectedTo, Nanocoatings>
+<Nanotoxicology, connectedTo, Nanocomposites>
+<Nanotoxicology, connectedTo, Transmission Electron Microscopy>
+<Public Perception of Nanotechnology, assembles, Food Packaging Improvement>
+<Quantum Computing Integration, connectedTo, Water Purification using Nanomaterials>
+<Quantum Computing Integration, partOf, Quantum Computing Integration>
+<Quantum Dots, connectedTo, Public Perception of Nanotechnology>
+<Scanning Electron Microscopy, connectedTo, Nanoelectronics>
+<Scanning Electron Microscopy, connectedTo, Nanotoxicology>
+<Spintronics, connectedTo, Advanced Materials Research>
+<Spintronics, partOf, Spintronics>
+<Transmission Electron Microscopy, connectedTo, Nanocomposites>
+<Water Purification using Nanomaterials, connectedTo, Spintronics>
+<Water Purification using Nanomaterials, partOf, Water Purification using Nanomaterials>
+<X_ray Diffraction, connectedTo, Quantum Dots>
diff --git a/test/diagrams/scanned_easy/diagrams_295.dot b/test/diagrams/scanned_easy/diagrams_295.dot
new file mode 100644
index 0000000000000000000000000000000000000000..709ce7276d898f0b3aba0ab6fc4ecffcd47454fa
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_295.dot
@@ -0,0 +1,71 @@
+digraph {
+	rankdir=BT
+	N0 [label="Quantum Communication Protocols" color="#FFE470" fillcolor="#FFFAE0" shape=ellipse style=filled]
+	N1 [label="Optimization Problems with Quantum Annealing" color="#FFE470" fillcolor="#FFFAE0" shape=action style=filled]
+	N2 [label="Quantum Network Development" color="#7986CB" fillcolor="#E8EAF6" shape=vnode_shape style=filled]
+	N3 [label="Quantum Key Distribution" color="#7986CB" fillcolor="#E8EAF6" shape=inputoutput style=filled]
+	N4 [label="Quantum Software Development Kit" color="#7986CB" fillcolor="#E8EAF6" shape=vnode_shape style=filled]
+	N5 [label="Superconducting Qubits" color="#7986CB" fillcolor="#E8EAF6" shape=action style=filled]
+	N6 [label="Quantum Cloud Computing Services" color="#FFE470" fillcolor="#FFFAE0" shape=vnode_shape style=filled]
+	N7 [label="Microwave Control for Qubits" color="#FFE470" fillcolor="#FFFAE0" shape=parallelogram style=filled]
+	N8 [label="Quantum Cryptography" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	N9 [label="Quantum Computing Benchmarking" color="#FBC02D" fillcolor="#FFFDE7" shape=action style=filled]
+	N10 [label="Quantum Annealing" color="#7986CB" fillcolor="#E8EAF6" shape=multipledocuments style=filled]
+	N11 [label="Quantum Teleportation Research" color="#FBC02D" fillcolor="#FFFDE7" shape=action style=filled]
+	N12 [label="Financial Modeling with Quantum Computing" color="#7986CB" fillcolor="#E8EAF6" shape=vnode_shape style=filled]
+	N13 [label="Vacuum Systems for Trapped Ions" color="#7986CB" fillcolor="#E8EAF6" shape=vnode_shape style=filled]
+	N14 [label="Quantum Algorithm Development" color="#FFE470" fillcolor="#FFFAE0" shape=inputoutput style=filled]
+	N15 [label="Quantum Sensing" color="#FFE470" fillcolor="#FFFAE0" shape=preparation style=filled]
+	N16 [label="Quantum Advantage Demonstration" color="#FBC02D" fillcolor="#FFFDE7" shape=predefinedprocess style=filled]
+	S0 [label="" color="#FBC02D" fillcolor="#FFFDE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#7986CB" fillcolor="#E8EAF6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#FFE470" fillcolor="#FFFAE0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Trapped Ion Qubits {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Trapped Ion Qubits"
+		nest0_0 [label="Post_Quantum Cryptography" color="#FBC02D" fillcolor="#FFFDE7" shape=multipledocuments style=filled]
+		nest0_1 [label="Quantum Programming Languages" color="#7986CB" fillcolor="#E8EAF6" shape=multipledocuments style=filled]
+		nest0_2 [label="Laser Cooling for Ions" color="#FFE470" fillcolor="#FFFAE0" shape=action style=filled]
+	}
+	subgraph cluster_Quantum Error Correction {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Quantum Error Correction"
+		nest1_0 [label="Cryogenic Systems for Qubits" color="#7986CB" fillcolor="#E8EAF6" shape=hexagon style=filled]
+		nest1_1 [label="Quantum Computing Education" color="#7986CB" fillcolor="#E8EAF6" shape=ellipse style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#7986CB" penwidth=1.5 style=solid label="optimizes" dir=forward]
+	N11 -> N12 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N12 -> N13 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N13 -> N14 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N14 -> N15 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	N15 -> N16 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N13 -> nest0_0 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest1_0 -> nest1_1 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N6 -> nest1_0 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	nest1_1 -> N15 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	N0 -> S0 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N5 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	S0 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> S1 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N13 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N9 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	S1 -> N10 [color="#7986CB" penwidth=1.5 style=dashed dir=forward]
+	N8 -> M1 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N5 -> M1 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N13 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_296.dot b/test/diagrams/scanned_easy/diagrams_296.dot
new file mode 100644
index 0000000000000000000000000000000000000000..43d265e71b86b7d24e85cf7af851eb93d44438b3
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_296.dot
@@ -0,0 +1,76 @@
+digraph {
+	rankdir=RL
+	N0 [label="Educational Content Development" color="#AABEC6" fillcolor="#E0E6E9" shape=vnode_shape style=filled]
+	N1 [label="Virtual Tourism Experiences" color="#FFD54F" fillcolor="#FFF8E1" shape=action style=filled]
+	N2 [label="Training Simulations" color="#AABEC6" fillcolor="#E0E6E9" shape=diamond style=filled]
+	N3 [label="Gesture Recognition" color="#AABEC6" fillcolor="#E0E6E9" shape=database style=filled]
+	N4 [label="Live Event Streaming in VR" color="#FFD54F" fillcolor="#FFF8E1" shape=inputoutput style=filled]
+	N5 [label="Ethical Considerations in AR or VR" color="#FFD54F" fillcolor="#FFF8E1" shape=inputoutput style=filled]
+	N6 [label="Neuro_VR Interfaces" color="#6FE1D5" fillcolor="#C9EFEC" shape=database style=filled]
+	N7 [label="Haptic Feedback Integration" color="#6FE1D5" fillcolor="#C9EFEC" shape=parallelogram style=filled]
+	N8 [label="Software Development Kit Integration" color="#FFD54F" fillcolor="#FFF8E1" shape=document style=filled]
+	N9 [label="Headset Development" color="#FFD54F" fillcolor="#FFF8E1" shape=vnode_shape style=filled]
+	N10 [label="Spatial Audio Implementation" color="#FFD54F" fillcolor="#FFF8E1" shape=vnode_shape style=filled]
+	N11 [label="Content Creation for AR or VR" color="#6FE1D5" fillcolor="#C9EFEC" shape=rectangle style=filled]
+	N12 [label="AR for Navigation" color="#6FE1D5" fillcolor="#C9EFEC" shape=ellipse style=filled]
+	N13 [label="Hand Tracking and Interaction" color="#6FE1D5" fillcolor="#C9EFEC" shape=rect style=filled]
+	N14 [label="Medical Applications" color="#FFD54F" fillcolor="#FFF8E1" shape=inputoutput style=filled]
+	N15 [label="Virtual Reality Game Development" color="#6FE1D5" fillcolor="#C9EFEC" shape=diamond style=filled]
+	N16 [label="Augmented Reality App Development" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+	N17 [label="Retail Experience Enhancement" color="#FFD54F" fillcolor="#FFF8E1" shape=diamond style=filled]
+	N18 [label="Eye Tracking" color="#FFD54F" fillcolor="#FFF8E1" shape=predefinedprocess style=filled]
+	N19 [label="Virtual Showrooms" color="#AABEC6" fillcolor="#E0E6E9" shape=predefinedprocess style=filled]
+	S0 [label="" color="#FFD54F" fillcolor="#FFF8E1" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#FFD54F" fillcolor="#FFF8E1" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFD54F" fillcolor="#FFF8E1" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_User Experience Testing {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="User Experience Testing"
+		nest0_0 [label="Performance Optimization" color="#FFD54F" fillcolor="#FFF8E1" shape=ellipse style=filled]
+		nest0_1 [label="Wearable AR Devices" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+	}
+	subgraph cluster_User Interface Design {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="User Interface Design"
+		nest1_0 [label="Field of View Optimization" color="#6FE1D5" fillcolor="#C9EFEC" shape=preparation style=filled]
+		nest1_1 [label="Industrial Maintenance Support" color="#AABEC6" fillcolor="#E0E6E9" shape=action style=filled]
+	}
+	N0 -> N1 [color="#6FE1D5" penwidth=1.5 style=solid label="navigates" dir=forward]
+	N1 -> N2 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#AABEC6" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#AABEC6" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#AABEC6" penwidth=1.5 style=dashed dir=forward]
+	N12 -> N13 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N13 -> N14 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N14 -> N15 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N15 -> N16 [color="#AABEC6" penwidth=1.5 style=dashed dir=forward]
+	N16 -> N17 [color="#AABEC6" penwidth=1.5 style=dashed dir=forward]
+	N17 -> N18 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	N18 -> N19 [color="#AABEC6" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N17 -> nest0_0 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> N7 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	nest1_0 -> nest1_1 [color="#AABEC6" penwidth=1.5 style=dashed dir=forward]
+	N9 -> nest1_0 [color="#AABEC6" penwidth=1.5 style=solid dir=forward]
+	nest1_1 -> N12 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N6 -> S0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N13 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	S0 -> N8 [color="#AABEC6" penwidth=1.5 style=dashed dir=forward]
+	N7 -> S1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N11 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N15 [color="#AABEC6" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N16 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N0 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> M0 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N2 -> M0 [color="#FFD54F" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_297.dot b/test/diagrams/scanned_easy/diagrams_297.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2605277812b9d5ffc2f4e8dceb20767739a4930d
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_297.dot
@@ -0,0 +1,85 @@
+digraph {
+	rankdir=TB
+	N0 [label="Virtual Reality Gaming" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N1 [label="Storytelling" color="#FFC085" fillcolor="#FFDAB9" shape=predefinedprocess style=filled]
+	N2 [label="Bug Fixing" color="#FFC085" fillcolor="#FFDAB9" shape=rectangle style=filled]
+	N3 [label="Programming" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	N4 [label="Multiplayer Game Development" color="#FFC085" fillcolor="#FFDAB9" shape=document style=filled]
+	N5 [label="Quality Assurance Testing" color="#AB47BC" fillcolor="#F3E5F5" shape=database style=filled]
+	N6 [label="Sound Design" color="#AB47BC" fillcolor="#F3E5F5" shape=rectangle style=filled]
+	N7 [label="Community Management" color="#FFC085" fillcolor="#FFDAB9" shape=action style=filled]
+	N8 [label="Game Analytics" color="#FFC085" fillcolor="#FFDAB9" shape=rect style=filled]
+	N9 [label="Console Game Development" color="#FFC085" fillcolor="#FFDAB9" shape=document style=filled]
+	N10 [label="In_Game Economy Design" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N11 [label="Asset Creation" color="#AB47BC" fillcolor="#F3E5F5" shape=database style=filled]
+	N12 [label="Art Direction" color="#42A5F5" fillcolor="#F1F8FF" shape=diamond style=filled]
+	N13 [label="Network Code Optimization" color="#AB47BC" fillcolor="#F3E5F5" shape=document style=filled]
+	N14 [label="Marketing and Promotion" color="#42A5F5" fillcolor="#F1F8FF" shape=hexagon style=filled]
+	N15 [label="Game Engine Customization" color="#AB47BC" fillcolor="#F3E5F5" shape=vnode_shape style=filled]
+	N16 [label="Augmented Reality Gaming" color="#FFC085" fillcolor="#FFDAB9" shape=rectangle style=filled]
+	N17 [label="Monetization Strategy" color="#FFC085" fillcolor="#FFDAB9" shape=action style=filled]
+	S0 [label="" color="#AB47BC" fillcolor="#F3E5F5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#FFC085" fillcolor="#FFDAB9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#AB47BC" fillcolor="#F3E5F5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#AB47BC" fillcolor="#F3E5F5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#42A5F5" fillcolor="#F1F8FF" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_AI Behavior Programming {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="AI Behavior Programming"
+		nest0_0 [label="Esports Event Organization" color="#AB47BC" fillcolor="#F3E5F5" shape=action style=filled]
+		nest0_1 [label="Game Balancing" color="#FFC085" fillcolor="#FFDAB9" shape=parallelogram style=filled]
+		nest0_2 [label="Game Design" color="#AB47BC" fillcolor="#F3E5F5" shape=parallelogram style=filled]
+		nest0_3 [label="Voice Acting" color="#42A5F5" fillcolor="#F1F8FF" shape=rectangle style=filled]
+	}
+	subgraph cluster_User Experience Design {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="User Experience Design"
+		nest1_0 [label="Game Performance Optimization" color="#AB47BC" fillcolor="#F3E5F5" shape=diamond style=filled]
+		nest1_1 [label="Player Progression Systems" color="#FFC085" fillcolor="#FFDAB9" shape=parallelogram style=filled]
+	}
+	N0 -> N1 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#42A5F5" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#AB47BC" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#AB47BC" penwidth=1.5 style=dashed dir=forward]
+	N12 -> N13 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	N13 -> N14 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N14 -> N15 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N15 -> N16 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	N16 -> N17 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#AB47BC" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#AB47BC" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#FFC085" penwidth=1.5 style=solid label="organizes" dir=forward]
+	N11 -> nest0_0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N11 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	nest1_0 -> nest1_1 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	N11 -> nest1_0 [color="#FFC085" penwidth=1.5 style=dashed label="writes" dir=forward]
+	nest1_1 -> N2 [color="#AB47BC" penwidth=1.5 style=dashed dir=forward]
+	N6 -> S0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N15 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	S0 -> N10 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N9 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	N6 -> S1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N12 [color="#42A5F5" penwidth=1.5 style=solid dir=forward]
+	S1 -> N8 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N13 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> S2 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N13 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N16 [color="#000000" penwidth=1.5 style=solid label="coaches" dir=forward]
+	N0 -> M0 [color="#FFC085" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M0 [color="#FFC085" penwidth=1.5 style=solid dir=forward]
+	M0 -> N3 [color="#AB47BC" penwidth=1.5 style=dashed dir=forward]
+	N9 -> M1 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	N12 -> M1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M1 [color="#FFC085" penwidth=1.5 style=solid label="interacts" dir=forward]
+	M1 -> N16 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_297.txt b/test/diagrams/scanned_easy/diagrams_297.txt
new file mode 100644
index 0000000000000000000000000000000000000000..07753c445580964d777b9739ec8273c77a0462ac
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_297.txt
@@ -0,0 +1,38 @@
+<Art Direction, connectedTo, Augmented Reality Gaming>
+<Art Direction, connectedTo, Network Code Optimization>
+<Asset Creation, connectedTo, Art Direction>
+<Asset Creation, connectedTo, Esports Event Organization>
+<Asset Creation, writes, Game Performance Optimization>
+<Augmented Reality Gaming, connectedTo, Monetization Strategy>
+<Bug Fixing, connectedTo, Programming>
+<Bug Fixing, interacts, Augmented Reality Gaming>
+<Community Management, connectedTo, Game Analytics>
+<Console Game Development, connectedTo, Augmented Reality Gaming>
+<Console Game Development, connectedTo, In_Game Economy Design>
+<Esports Event Organization, connectedTo, Game Balancing>
+<Game Analytics, coaches, Augmented Reality Gaming>
+<Game Analytics, connectedTo, Console Game Development>
+<Game Analytics, connectedTo, Network Code Optimization>
+<Game Balancing, connectedTo, Game Design>
+<Game Design, organizes, Voice Acting>
+<Game Engine Customization, connectedTo, Augmented Reality Gaming>
+<Game Performance Optimization, connectedTo, Player Progression Systems>
+<In_Game Economy Design, connectedTo, Asset Creation>
+<Marketing and Promotion, connectedTo, Game Engine Customization>
+<Multiplayer Game Development, connectedTo, Quality Assurance Testing>
+<Network Code Optimization, connectedTo, Marketing and Promotion>
+<Player Progression Systems, connectedTo, Bug Fixing>
+<Programming, connectedTo, Multiplayer Game Development>
+<Quality Assurance Testing, connectedTo, Sound Design>
+<Sound Design, connectedTo, Art Direction>
+<Sound Design, connectedTo, Community Management>
+<Sound Design, connectedTo, Console Game Development>
+<Sound Design, connectedTo, Game Analytics>
+<Sound Design, connectedTo, Game Engine Customization>
+<Sound Design, connectedTo, In_Game Economy Design>
+<Sound Design, connectedTo, Network Code Optimization>
+<Storytelling, connectedTo, Bug Fixing>
+<Storytelling, connectedTo, Programming>
+<Virtual Reality Gaming, connectedTo, Programming>
+<Virtual Reality Gaming, connectedTo, Storytelling>
+<Voice Acting, connectedTo, Asset Creation>
diff --git a/test/diagrams/scanned_easy/diagrams_298.txt b/test/diagrams/scanned_easy/diagrams_298.txt
new file mode 100644
index 0000000000000000000000000000000000000000..21dff4e5c4bcb06fdb312e60c6de144e61f6e0a1
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_298.txt
@@ -0,0 +1,38 @@
+<Artist Management, connectedTo, A&R>
+<Artist Management, connectedTo, Music Therapy>
+<Audio Engineering, connectedTo, Copyright Management>
+<Beat Making, connectedTo, Songwriting>
+<Concert Promotion, connectedTo, Synthesizer Programming>
+<Concert Promotion, partOf, Concert Promotion>
+<Copyright Management, connectedTo, Beat Making>
+<Digital Audio Workstation Operation, connectedTo, Music for Film or TV or Games>
+<Digital Audio Workstation Operation, partOf, Digital Audio Workstation Operation>
+<Fan Engagement Strategy, connectedTo, A&R>
+<Fan Engagement Strategy, connectedTo, Beat Making>
+<Fan Engagement Strategy, connectedTo, Sound System Design>
+<Fan Engagement Strategy, connectedTo, Synthesizer Programming>
+<Instrumental Performance, connectedTo, Music Education>
+<Live Sound Engineering, connectedTo, A&R>
+<Merchandise Sales, connectedTo, Fan Engagement Strategy>
+<Music Education, connectedTo, Live Sound Engineering>
+<Music Production, connectedTo, Merchandise Sales>
+<Music Production, learns, A&R>
+<Music Therapy, connectedTo, Digital Audio Workstation Operation>
+<Music Therapy, connectedTo, Music Video Production>
+<Music Therapy, connectedTo, Sampling>
+<Music Video Production, connectedTo, A&R>
+<Music Video Production, connectedTo, Audio Engineering>
+<Music Video Production, connectedTo, Copyright Management>
+<Music Video Production, connectedTo, Sound System Design>
+<Music for Film or TV or Games, connectedTo, Concert Promotion>
+<Music for Film or TV or Games, partOf, Music for Film or TV or Games>
+<Performance, connectedTo, Artist Management>
+<Sampling, connectedTo, Instrumental Performance>
+<Songwriting, connectedTo, Sound System Design>
+<Sound System Design, connectedTo, A&R>
+<Sound System Design, connectedTo, Music Education>
+<Synthesizer Programming, connectedTo, Audio Engineering>
+<Synthesizer Programming, connectedTo, Beat Making>
+<Synthesizer Programming, connectedTo, Live Sound Engineering>
+<Synthesizer Programming, connectedTo, Tour Management>
+<Tour Management, connectedTo, Performance>
diff --git a/test/diagrams/scanned_easy/diagrams_299.dot b/test/diagrams/scanned_easy/diagrams_299.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f036747c6314d09701e1f00afac7247212cb9dc9
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_299.dot
@@ -0,0 +1,82 @@
+digraph {
+	rankdir=RL
+	N0 [label="Distribution Strategy" color="#A1887F" fillcolor="#EFEBE9" shape=parallelogram style=filled]
+	N1 [label="Film Financing" color="#A1887F" fillcolor="#EFEBE9" shape=rect style=filled]
+	N2 [label="Special Effects" color="#FFDA4E" fillcolor="#FFE88D" shape=document style=filled]
+	N3 [label="Storyboarding" color="#FFDA4E" fillcolor="#FFE88D" shape=rect style=filled]
+	N4 [label="Cinematography" color="#FFDA4E" fillcolor="#FFE88D" shape=box style=filled]
+	N5 [label="Marketing and Publicity" color="#FFDA4E" fillcolor="#FFE88D" shape=action style=filled]
+	N6 [label="Set Construction" color="#A1887F" fillcolor="#EFEBE9" shape=multipledocuments style=filled]
+	N7 [label="Budget Management" color="#A1887F" fillcolor="#EFEBE9" shape=rect style=filled]
+	N8 [label="Post_production Audio" color="#7E57C2" fillcolor="#D1C4E9" shape=box style=filled]
+	N9 [label="Visual Effects" color="#A1887F" fillcolor="#EFEBE9" shape=inputoutput style=filled]
+	N10 [label="Green Production Practices" color="#A1887F" fillcolor="#EFEBE9" shape=action style=filled]
+	N11 [label="Remote Collaboration Tools" color="#FFDA4E" fillcolor="#FFE88D" shape=hexagon style=filled]
+	N12 [label="Crew Management" color="#FFDA4E" fillcolor="#FFE88D" shape=database style=filled]
+	N13 [label="Archiving and Preservation" color="#A1887F" fillcolor="#EFEBE9" shape=document style=filled]
+	N14 [label="Casting" color="#7E57C2" fillcolor="#D1C4E9" shape=diamond style=filled]
+	N15 [label="Makeup and Hair Design" color="#FFDA4E" fillcolor="#FFE88D" shape=predefinedprocess style=filled]
+	N16 [label="Virtual Production Techniques" color="#FFDA4E" fillcolor="#FFE88D" shape=diamond style=filled]
+	S0 [label="" color="#FFDA4E" fillcolor="#FFE88D" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#7E57C2" fillcolor="#D1C4E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#7E57C2" fillcolor="#D1C4E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#A1887F" fillcolor="#EFEBE9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#FFDA4E" fillcolor="#FFE88D" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Editing {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Editing"
+		nest0_0 [label="Screenwriting Workshops" color="#7E57C2" fillcolor="#D1C4E9" shape=inputoutput style=filled]
+		nest0_1 [label="Pre_production Planning" color="#FFDA4E" fillcolor="#FFE88D" shape=parallelogram style=filled]
+		nest0_2 [label="Audience Research" color="#FFDA4E" fillcolor="#FFE88D" shape=rectangle style=filled]
+		nest0_3 [label="Sound Recording" color="#7E57C2" fillcolor="#D1C4E9" shape=action style=filled]
+	}
+	subgraph cluster_Stunt Coordination {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Stunt Coordination"
+		nest1_0 [label="Film Scoring" color="#7E57C2" fillcolor="#D1C4E9" shape=parallelogram style=filled]
+		nest1_1 [label="Film Festival Submission" color="#7E57C2" fillcolor="#D1C4E9" shape=preparation style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N12 -> N13 [color="#000000" penwidth=1.5 style=solid label="audits" dir=forward]
+	N13 -> N14 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N14 -> N15 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N15 -> N16 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> nest0_3 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N12 -> nest0_0 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N6 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	nest1_0 -> nest1_1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> nest1_0 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	nest1_1 -> N7 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	N13 -> S0 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	S0 -> N16 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	S0 -> N15 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N5 -> S1 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	S1 -> N14 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N16 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	N12 -> S2 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	S2 -> N16 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	S2 -> N15 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N5 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N11 -> M0 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	M0 -> N13 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N9 -> M1 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	N5 -> M1 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N11 -> M1 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	N10 -> M1 [color="#A1887F" penwidth=1.5 style=dashed label="captures" dir=forward]
+	M1 -> N15 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_299.txt b/test/diagrams/scanned_easy/diagrams_299.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3b44ac3354b563a13b3270707325a2455b5634b9
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_299.txt
@@ -0,0 +1,40 @@
+<Archiving and Preservation, connectedTo, Casting>
+<Archiving and Preservation, connectedTo, Makeup and Hair Design>
+<Archiving and Preservation, connectedTo, Virtual Production Techniques>
+<Audience Research, connectedTo, Sound Recording>
+<Audience Research, partOf, Audience Research>
+<Budget Management, connectedTo, Post_production Audio>
+<Casting, connectedTo, Makeup and Hair Design>
+<Cinematography, connectedTo, Marketing and Publicity>
+<Crew Management, audits, Archiving and Preservation>
+<Crew Management, connectedTo, Makeup and Hair Design>
+<Crew Management, connectedTo, Screenwriting Workshops>
+<Crew Management, connectedTo, Virtual Production Techniques>
+<Distribution Strategy, connectedTo, Film Financing>
+<Film Festival Submission, connectedTo, Budget Management>
+<Film Financing, connectedTo, Special Effects>
+<Film Scoring, connectedTo, Film Festival Submission>
+<Green Production Practices, captures, Makeup and Hair Design>
+<Green Production Practices, connectedTo, Remote Collaboration Tools>
+<Makeup and Hair Design, connectedTo, Virtual Production Techniques>
+<Marketing and Publicity, connectedTo, Archiving and Preservation>
+<Marketing and Publicity, connectedTo, Casting>
+<Marketing and Publicity, connectedTo, Makeup and Hair Design>
+<Marketing and Publicity, connectedTo, Set Construction>
+<Marketing and Publicity, connectedTo, Virtual Production Techniques>
+<Post_production Audio, connectedTo, Visual Effects>
+<Pre_production Planning, connectedTo, Audience Research>
+<Pre_production Planning, partOf, Pre_production Planning>
+<Remote Collaboration Tools, connectedTo, Archiving and Preservation>
+<Remote Collaboration Tools, connectedTo, Crew Management>
+<Remote Collaboration Tools, connectedTo, Makeup and Hair Design>
+<Screenwriting Workshops, connectedTo, Pre_production Planning>
+<Screenwriting Workshops, partOf, Screenwriting Workshops>
+<Set Construction, connectedTo, Budget Management>
+<Sound Recording, connectedTo, Set Construction>
+<Sound Recording, partOf, Sound Recording>
+<Special Effects, connectedTo, Storyboarding>
+<Storyboarding, connectedTo, Cinematography>
+<Storyboarding, connectedTo, Film Scoring>
+<Visual Effects, connectedTo, Green Production Practices>
+<Visual Effects, connectedTo, Makeup and Hair Design>
diff --git a/test/diagrams/scanned_easy/diagrams_300.dot b/test/diagrams/scanned_easy/diagrams_300.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cee5e9223741452905fd3a6842270dfc3e0d11d4
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_300.dot
@@ -0,0 +1,64 @@
+digraph {
+	rankdir=TB
+	N0 [label="Ideation and Brainstorming" color="#2196F3" fillcolor="#BBDEFB" shape=diamond style=filled]
+	N1 [label="Drafting Content" color="#2196F3" fillcolor="#BBDEFB" shape=parallelogram style=filled]
+	N2 [label="Social Media Post Creation" color="#2196F3" fillcolor="#BBDEFB" shape=diamond style=filled]
+	N3 [label="Content Strategy Development" color="#2196F3" fillcolor="#BBDEFB" shape=rect style=filled]
+	N4 [label="Research and Outline" color="#26A69A" fillcolor="#E0F2F1" shape=diamond style=filled]
+	N5 [label="Editing and Proofreading" color="#26A69A" fillcolor="#E0F2F1" shape=document style=filled]
+	N6 [label="Publishing" color="#2196F3" fillcolor="#BBDEFB" shape=action style=filled]
+	N7 [label="Search Engine Optimization" color="#26A69A" fillcolor="#E0F2F1" shape=vnode_shape style=filled]
+	S0 [label="" color="#73C6BC" fillcolor="#D0EFEE" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#26A69A" fillcolor="#E0F2F1" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#26A69A" fillcolor="#E0F2F1" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#26A69A" fillcolor="#E0F2F1" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Graphic Design {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Graphic Design"
+		nest0_0 [label="Transcribing Audio or Video" color="#73C6BC" fillcolor="#D0EFEE" shape=preparation style=filled]
+		nest0_1 [label="Content Repurposing" color="#2196F3" fillcolor="#BBDEFB" shape=hexagon style=filled]
+		nest0_2 [label="Video Scripting" color="#26A69A" fillcolor="#E0F2F1" shape=preparation style=filled]
+		nest0_3 [label="Content Management System Operation" color="#73C6BC" fillcolor="#D0EFEE" shape=hexagon style=filled]
+	}
+	subgraph cluster_Copywriting {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Copywriting"
+		nest1_0 [label="Monetization Strategy" color="#2196F3" fillcolor="#BBDEFB" shape=rectangle style=filled]
+		nest1_1 [label="Webinar Hosting" color="#26A69A" fillcolor="#E0F2F1" shape=preparation style=filled]
+		nest1_2 [label="Animation" color="#73C6BC" fillcolor="#D0EFEE" shape=ellipse style=filled]
+		nest1_3 [label="Voice Acting or Narration" color="#73C6BC" fillcolor="#D0EFEE" shape=action style=filled]
+	}
+	N0 -> N1 [color="#26A69A" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#26A69A" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#2196F3" penwidth=1.5 style=solid label="translates" dir=forward]
+	nest0_2 -> nest0_3 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+	N3 -> nest0_0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N7 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+	nest1_0 -> nest1_1 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+	nest1_1 -> nest1_2 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	nest1_2 -> nest1_3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> nest1_0 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	nest1_3 -> N5 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+	N0 -> S0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N6 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	N3 -> S1 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	S1 -> N7 [color="#2196F3" penwidth=1.5 style=solid label="supports" dir=forward]
+	S1 -> N6 [color="#2196F3" penwidth=1.5 style=solid label="interviews" dir=forward]
+	S1 -> N5 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N0 -> S2 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N2 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	S2 -> N4 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M1 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	N2 -> M1 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M1 [color="#26A69A" penwidth=1.5 style=solid dir=forward]
+	M1 -> N5 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_300.txt b/test/diagrams/scanned_easy/diagrams_300.txt
new file mode 100644
index 0000000000000000000000000000000000000000..aee18d4c1b3c19956fbc747a84656fb6b5eeea21
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_300.txt
@@ -0,0 +1,30 @@
+<Animation, connectedTo, Voice Acting or Narration>
+<Animation, partOf, Animation>
+<Content Management System Operation, connectedTo, Search Engine Optimization>
+<Content Repurposing, translates, Video Scripting>
+<Content Strategy Development, connectedTo, Editing and Proofreading>
+<Content Strategy Development, connectedTo, Research and Outline>
+<Content Strategy Development, connectedTo, Transcribing Audio or Video>
+<Content Strategy Development, interviews, Publishing>
+<Content Strategy Development, supports, Search Engine Optimization>
+<Drafting Content, connectedTo, Social Media Post Creation>
+<Editing and Proofreading, connectedTo, Publishing>
+<Ideation and Brainstorming, connectedTo, Content Strategy Development>
+<Ideation and Brainstorming, connectedTo, Drafting Content>
+<Ideation and Brainstorming, connectedTo, Editing and Proofreading>
+<Ideation and Brainstorming, connectedTo, Publishing>
+<Ideation and Brainstorming, connectedTo, Research and Outline>
+<Ideation and Brainstorming, connectedTo, Social Media Post Creation>
+<Monetization Strategy, connectedTo, Webinar Hosting>
+<Monetization Strategy, partOf, Monetization Strategy>
+<Publishing, connectedTo, Search Engine Optimization>
+<Research and Outline, connectedTo, Editing and Proofreading>
+<Research and Outline, connectedTo, Monetization Strategy>
+<Social Media Post Creation, connectedTo, Content Strategy Development>
+<Social Media Post Creation, connectedTo, Editing and Proofreading>
+<Transcribing Audio or Video, connectedTo, Content Repurposing>
+<Video Scripting, connectedTo, Content Management System Operation>
+<Voice Acting or Narration, connectedTo, Editing and Proofreading>
+<Voice Acting or Narration, partOf, Voice Acting or Narration>
+<Webinar Hosting, connectedTo, Animation>
+<Webinar Hosting, partOf, Webinar Hosting>
diff --git a/test/diagrams/scanned_easy/diagrams_301.dot b/test/diagrams/scanned_easy/diagrams_301.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5a08cf5e780742df3b320fcf0407d6dbde3ef0e2
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_301.dot
@@ -0,0 +1,69 @@
+digraph {
+	rankdir=BT
+	N0 [label="Business User Training on Analytics" color="#CB9BE1" fillcolor="#F2E6F5" shape=rectangle style=filled]
+	N1 [label="Data Warehouse Design" color="#92C79A" fillcolor="#E8F0EA" shape=box style=filled]
+	N2 [label="Predictive Analytics" color="#CB9BE1" fillcolor="#F2E6F5" shape=ellipse style=filled]
+	N3 [label="Text Analytics" color="#FFCC80" fillcolor="#FFF0CC" shape=multipledocuments style=filled]
+	N4 [label="Customer Analytics" color="#FFCC80" fillcolor="#FFF0CC" shape=database style=filled]
+	N5 [label="Data Mining" color="#92C79A" fillcolor="#E8F0EA" shape=hexagon style=filled]
+	N6 [label="Data Cleaning" color="#92C79A" fillcolor="#E8F0EA" shape=inputoutput style=filled]
+	N7 [label="Data Pipeline Development" color="#FFCC80" fillcolor="#FFF0CC" shape=ellipse style=filled]
+	N8 [label="Data Collection" color="#92C79A" fillcolor="#E8F0EA" shape=multipledocuments style=filled]
+	N9 [label="Data Governance" color="#FFCC80" fillcolor="#FFF0CC" shape=document style=filled]
+	N10 [label="Data Storytelling" color="#FFCC80" fillcolor="#FFF0CC" shape=vnode_shape style=filled]
+	N11 [label="Big Data Processing" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+	N12 [label="Data Quality Assurance" color="#CB9BE1" fillcolor="#F2E6F5" shape=inputoutput style=filled]
+	S0 [label="" color="#92C79A" fillcolor="#E8F0EA" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#CB9BE1" fillcolor="#F2E6F5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#CB9BE1" fillcolor="#F2E6F5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#CB9BE1" fillcolor="#F2E6F5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_ETL Process Management {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="ETL Process Management"
+		nest0_0 [label="Sales Performance Analysis" color="#FFCC80" fillcolor="#FFF0CC" shape=hexagon style=filled]
+		nest0_1 [label="HR Data Analytics" color="#CB9BE1" fillcolor="#F2E6F5" shape=database style=filled]
+		nest0_2 [label="Marketing Campaign Analysis" color="#FFCC80" fillcolor="#FFF0CC" shape=diamond style=filled]
+		nest0_3 [label="Data Security Best Practices" color="#CB9BE1" fillcolor="#F2E6F5" shape=rect style=filled]
+	}
+	subgraph cluster_Cloud_based Data Platforms {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Cloud_based Data Platforms"
+		nest1_0 [label="Geospatial Analysis" color="#92C79A" fillcolor="#E8F0EA" shape=rect style=filled]
+		nest1_1 [label="Data Transformation" color="#92C79A" fillcolor="#E8F0EA" shape=rectangle style=filled]
+	}
+	N0 -> N1 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#92C79A" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#92C79A" penwidth=1.5 style=dashed label="supports" dir=forward]
+	N9 -> N10 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#92C79A" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N11 -> nest0_0 [color="#92C79A" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N2 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	nest1_0 -> nest1_1 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	N10 -> nest1_0 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	nest1_1 -> N12 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	N9 -> S0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N11 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	S0 -> N12 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	N4 -> S1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N12 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> S2 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	S2 -> N12 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N4 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N7 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M1 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M1 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N3 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_304.txt b/test/diagrams/scanned_easy/diagrams_304.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b8add82d4a13dae1dd0a85783a3b0c6d07dd4e90
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_304.txt
@@ -0,0 +1,30 @@
+<Ad Placement Optimization, connectedTo, Digital Advertising>
+<Ad Placement Optimization, connectedTo, Social Media Ads>
+<Ad Platform Management, connectedTo, Digital Advertising>
+<Audience Segmentation for Ads, connectedTo, Ad Placement Optimization>
+<Audience Segmentation for Ads, connectedTo, Retargeting Campaigns>
+<Audience Segmentation for Ads, connectedTo, Social Media Ads>
+<Budget Management, connectedTo, Landing Page Optimization>
+<Campaign Planning, connectedTo, Demographic Targeting>
+<Customer Acquisition Cost Analysis, connectedTo, Visual Design for Ads>
+<Demographic Targeting, connectedTo, Budget Management>
+<Digital Advertising, connectedTo, A or B Testing for Ads>
+<Digital Advertising, connectedTo, Campaign Planning>
+<Direct Response Campaigns, connectedTo, Audience Segmentation for Ads>
+<Landing Page Optimization, connectedTo, Customer Acquisition Cost Analysis>
+<Landing Page Optimization, connectedTo, Video Advertising>
+<Native Advertising, connectedTo, Programmatic Advertising>
+<Print Advertising, connectedTo, Direct Response Campaigns>
+<Programmatic Advertising, connectedTo, Ad Placement Optimization>
+<Programmatic Advertising, connectedTo, Digital Advertising>
+<Radio Advertising, connectedTo, Audience Segmentation for Ads>
+<Radio Advertising, connectedTo, Direct Response Campaigns>
+<Radio Advertising, connectedTo, Landing Page Optimization>
+<Radio Advertising, connectedTo, Native Advertising>
+<Radio Advertising, connectedTo, Retargeting Campaigns>
+<Retargeting Campaigns, connectedTo, Budget Management>
+<Social Media Ads, connectedTo, A or B Testing for Ads>
+<Social Media Ads, connectedTo, Ad Platform Management>
+<Social Media Ads, connectedTo, Digital Advertising>
+<Video Advertising, connectedTo, Print Advertising>
+<Visual Design for Ads, connectedTo, Native Advertising>
diff --git a/test/diagrams/scanned_easy/diagrams_305.dot b/test/diagrams/scanned_easy/diagrams_305.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b488b0cacedefb4b43a705733e4231a40ab9d31a
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_305.dot
@@ -0,0 +1,89 @@
+digraph {
+	rankdir=LR
+	N0 [label="Consortium Blockchain Setup" color="#DCE775" fillcolor="#F9FBE7" shape=database style=filled]
+	N1 [label="Smart Contract Development" color="#FF5722" fillcolor="#FFCCBC" shape=action style=filled]
+	N2 [label="Non_Fungible Token Creation" color="#DCE775" fillcolor="#F9FBE7" shape=inputoutput style=filled]
+	N3 [label="Financial Asset Tokenization" color="#DCE775" fillcolor="#F9FBE7" shape=hexagon style=filled]
+	N4 [label="Mining Operations" color="#61CAC3" fillcolor="#C2E8E6" shape=action style=filled]
+	N5 [label="Regulatory Compliance for Blockchain" color="#DCE775" fillcolor="#F9FBE7" shape=rectangle style=filled]
+	N6 [label="Decentralized Finance Protocols" color="#FF5722" fillcolor="#FFCCBC" shape=preparation style=filled]
+	N7 [label="Real Estate Tokenization" color="#61CAC3" fillcolor="#C2E8E6" shape=predefinedprocess style=filled]
+	N8 [label="Tokenomics Design" color="#DCE775" fillcolor="#F9FBE7" shape=diamond style=filled]
+	N9 [label="Digital Identity Management" color="#FF5722" fillcolor="#FFCCBC" shape=rectangle style=filled]
+	N10 [label="Cross_Chain Bridges" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
+	N11 [label="Private Blockchain Implementation" color="#61CAC3" fillcolor="#C2E8E6" shape=diamond style=filled]
+	N12 [label="Gaming on Blockchain" color="#FF5722" fillcolor="#FFCCBC" shape=parallelogram style=filled]
+	N13 [label="Consensus Mechanism Development" color="#DCE775" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N14 [label="Supply Chain Traceability" color="#61CAC3" fillcolor="#C2E8E6" shape=rect style=filled]
+	N15 [label="Oracles Integration" color="#FF5722" fillcolor="#FFCCBC" shape=vnode_shape style=filled]
+	N16 [label="Decentralized Applications Development" color="#DCE775" fillcolor="#F9FBE7" shape=preparation style=filled]
+	N17 [label="Identity Verification on Blockchain" color="#DCE775" fillcolor="#F9FBE7" shape=action style=filled]
+	S0 [label="" color="#61CAC3" fillcolor="#C2E8E6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#FF5722" fillcolor="#FFCCBC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#DCE775" fillcolor="#F9FBE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#61CAC3" fillcolor="#C2E8E6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#61CAC3" fillcolor="#C2E8E6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Zero_Knowledge Proofs {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Zero_Knowledge Proofs"
+		nest0_0 [label="Healthcare Data Management" color="#61CAC3" fillcolor="#C2E8E6" shape=predefinedprocess style=filled]
+		nest0_1 [label="Voting Systems on Blockchain" color="#FF5722" fillcolor="#FFCCBC" shape=document style=filled]
+		nest0_2 [label="Distributed Ledger Technology" color="#FF5722" fillcolor="#FFCCBC" shape=multipledocuments style=filled]
+		nest0_3 [label="Interoperability Solutions" color="#61CAC3" fillcolor="#C2E8E6" shape=vnode_shape style=filled]
+	}
+	subgraph cluster_Transaction Verification {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Transaction Verification"
+		nest1_0 [label="Governance Models for Blockchains" color="#DCE775" fillcolor="#F9FBE7" shape=rect style=filled]
+		nest1_1 [label="Initial Coin Offerings" color="#FF5722" fillcolor="#FFCCBC" shape=rectangle style=filled]
+		nest1_2 [label="Security Token Offerings" color="#DCE775" fillcolor="#F9FBE7" shape=vnode_shape style=filled]
+	}
+	N0 -> N1 [color="#FF5722" penwidth=1.5 style=dashed label="traces provenance" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N12 -> N13 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+	N13 -> N14 [color="#DCE775" penwidth=1.5 style=solid label="implements algorithms" dir=forward]
+	N14 -> N15 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N15 -> N16 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N16 -> N17 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> nest0_3 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N3 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed label="manages real estate" dir=forward]
+	nest0_3 -> N10 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	nest1_0 -> nest1_1 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	nest1_1 -> nest1_2 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N8 -> nest1_0 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	nest1_2 -> N1 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N9 -> S0 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N17 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N15 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	S0 -> N13 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	S0 -> N12 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+	N10 -> S1 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N16 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N13 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N12 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N1 -> S2 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	S2 -> N6 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N4 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N8 -> M0 [color="#DCE775" penwidth=1.5 style=solid label="distributes ledgers" dir=forward]
+	N4 -> M0 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	M0 -> N13 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+	N5 -> M1 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N7 -> M1 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	N10 -> M1 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N12 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_306.dot b/test/diagrams/scanned_easy/diagrams_306.dot
new file mode 100644
index 0000000000000000000000000000000000000000..06141c6212996ea0399cbef25cdc32199f133761
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_306.dot
@@ -0,0 +1,66 @@
+digraph {
+	rankdir=LR
+	N0 [label="Smart Contract Auditing" color="#81C784" fillcolor="#F1F8E9" shape=document style=filled]
+	N1 [label="Web3 Integration" color="#BA68C8" fillcolor="#F3E5F5" shape=rect style=filled]
+	N2 [label="Yield Farming" color="#FFEB3B" fillcolor="#FFF9C4" shape=diamond style=filled]
+	N3 [label="KYC or AML Procedures" color="#FFEB3B" fillcolor="#FFF9C4" shape=rect style=filled]
+	N4 [label="Wallet Development" color="#FFEB3B" fillcolor="#FFF9C4" shape=database style=filled]
+	N5 [label="Transaction Processing" color="#81C784" fillcolor="#F1F8E9" shape=diamond style=filled]
+	N6 [label="Venture Capital Funding" color="#81C784" fillcolor="#F1F8E9" shape=inputoutput style=filled]
+	N7 [label="Community Building" color="#BA68C8" fillcolor="#F3E5F5" shape=multipledocuments style=filled]
+	N8 [label="GameFi Development" color="#BA68C8" fillcolor="#F3E5F5" shape=inputoutput style=filled]
+	S0 [label="" color="#81C784" fillcolor="#F1F8E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#FFEB3B" fillcolor="#FFF9C4" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#BA68C8" fillcolor="#F3E5F5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#BA68C8" fillcolor="#F3E5F5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Fiat On or Off Ramps {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Fiat On or Off Ramps"
+		nest0_0 [label="Portfolio Management" color="#FFEB3B" fillcolor="#FFF9C4" shape=diamond style=filled]
+		nest0_1 [label="Lending and Borrowing Protocols" color="#FFEB3B" fillcolor="#FFF9C4" shape=parallelogram style=filled]
+		nest0_2 [label="Blockchain Integration" color="#FFEB3B" fillcolor="#FFF9C4" shape=inputoutput style=filled]
+	}
+	subgraph cluster_Cryptocurrency Trading Bots {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Cryptocurrency Trading Bots"
+		nest1_0 [label="Cross_chain Swaps" color="#BA68C8" fillcolor="#F3E5F5" shape=preparation style=filled]
+		nest1_1 [label="Staking" color="#FFEB3B" fillcolor="#FFF9C4" shape=vnode_shape style=filled]
+		nest1_2 [label="Cold Storage Solutions" color="#FFEB3B" fillcolor="#FFF9C4" shape=parallelogram style=filled]
+	}
+	N0 -> N1 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#81C784" penwidth=1.5 style=dashed label="generates yield" dir=forward]
+	N2 -> N3 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#BA68C8" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#BA68C8" penwidth=1.5 style=solid dir=forward]
+	N6 -> nest0_0 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N1 [color="#FFEB3B" penwidth=1.5 style=dashed dir=forward]
+	nest1_0 -> nest1_1 [color="#BA68C8" penwidth=1.5 style=solid label="facilitates trades" dir=forward]
+	nest1_1 -> nest1_2 [color="#FFEB3B" penwidth=1.5 style=dashed label="secures funds" dir=forward]
+	N7 -> nest1_0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest1_2 -> N2 [color="#FFEB3B" penwidth=1.5 style=solid label="lists assets" dir=forward]
+	N4 -> S0 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+	S0 -> N8 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N7 [color="#BA68C8" penwidth=1.5 style=solid label="secures private keys" dir=forward]
+	N0 -> S2 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S2 -> N3 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+	S2 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S2 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> M0 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	M0 -> N5 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N0 -> M1 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M1 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N1 -> M1 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M1 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	M1 -> N6 [color="#BA68C8" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_307.txt b/test/diagrams/scanned_easy/diagrams_307.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a887a0045b577c826fa5ded9effa57746b36b051
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_307.txt
@@ -0,0 +1,32 @@
+<Campaign Creation, connectedTo, Email List Building>
+<Campaign Creation, connectedTo, International Crowdfunding>
+<Campaign Creation, connectedTo, Pitch Deck Preparation>
+<Community Building, connectedTo, Product Development Lifecycle>
+<Customer Support for Backers, connectedTo, Platform Selection>
+<Donation_Based Crowdfunding, connectedTo, Intellectual Property Protection>
+<Email List Building, connectedTo, International Crowdfunding>
+<Email List Building, connectedTo, Investor Verification>
+<Email List Building, connectedTo, Pitch Deck Preparation>
+<Email List Building, connectedTo, Platform Fee Management>
+<Email List Building, connectedTo, Project Vetting>
+<Intellectual Property Protection, connectedTo, International Crowdfunding>
+<International Crowdfunding, connectedTo, Customer Support for Backers>
+<International Crowdfunding, connectedTo, Shareholder Management>
+<Investor Relations, analyzes data, Project Vetting>
+<Investor Relations, connectedTo, Campaign Creation>
+<Investor Relations, connectedTo, Donation_Based Crowdfunding>
+<Investor Verification, connectedTo, Pitch Deck Preparation>
+<Investor Verification, connectedTo, Platform Fee Management>
+<Legal Compliance, markets projects, Logistics for Rewards>
+<Logistics for Rewards, connectedTo, Post_Campaign Reporting>
+<Payment Processing, connectedTo, Investor Relations>
+<Pitch Deck Preparation, connectedTo, Platform Fee Management>
+<Pitch Deck Preparation, connectedTo, Project Vetting>
+<Platform Fee Management, generates reports, Project Vetting>
+<Platform Selection, connectedTo, Reward_Based Crowdfunding>
+<Post_Campaign Reporting, connectedTo, Campaign Creation>
+<Product Development Lifecycle, develops products, Donation_Based Crowdfunding>
+<Project Vetting, connectedTo, Community Building>
+<Project Vetting, connectedTo, Donation_Based Crowdfunding>
+<Project Vetting, connectedTo, Legal Compliance>
+<Reward_Based Crowdfunding, connectedTo, Shareholder Management>
diff --git a/test/diagrams/scanned_easy/diagrams_308.dot b/test/diagrams/scanned_easy/diagrams_308.dot
new file mode 100644
index 0000000000000000000000000000000000000000..0c79d52ab667e6ba411d7ed803830b934d12068b
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_308.dot
@@ -0,0 +1,74 @@
+digraph {
+	rankdir=RL
+	N0 [label="AI at the Edge" color="#CFCFCF" fillcolor="#F6F6F6" shape=predefinedprocess style=filled]
+	N1 [label="Smart Manufacturing" color="#CFCFCF" fillcolor="#F6F6F6" shape=parallelogram style=filled]
+	N2 [label="Device Prototyping" color="#81C784" fillcolor="#F1F8E9" shape=multipledocuments style=filled]
+	N3 [label="Sensor Integration" color="#03A9F4" fillcolor="#B3E5FC" shape=rectangle style=filled]
+	N4 [label="Retail IoT" color="#81C784" fillcolor="#F1F8E9" shape=rect style=filled]
+	N5 [label="Environmental Monitoring" color="#03A9F4" fillcolor="#B3E5FC" shape=inputoutput style=filled]
+	N6 [label="Connected Vehicles" color="#81C784" fillcolor="#F1F8E9" shape=parallelogram style=filled]
+	N7 [label="Cloud Platform Integration" color="#CFCFCF" fillcolor="#F6F6F6" shape=rectangle style=filled]
+	N8 [label="Blockchain for IoT Security" color="#CFCFCF" fillcolor="#F6F6F6" shape=action style=filled]
+	N9 [label="Data Privacy in IoT" color="#CFCFCF" fillcolor="#F6F6F6" shape=action style=filled]
+	N10 [label="Smart City Sensors" color="#81C784" fillcolor="#F1F8E9" shape=rectangle style=filled]
+	N11 [label="Supply Chain Optimization" color="#03A9F4" fillcolor="#B3E5FC" shape=preparation style=filled]
+	N12 [label="Power Management for Devices" color="#81C784" fillcolor="#F1F8E9" shape=predefinedprocess style=filled]
+	N13 [label="Interoperability Standards" color="#CFCFCF" fillcolor="#F6F6F6" shape=rectangle style=filled]
+	N14 [label="Transportation IoT" color="#81C784" fillcolor="#F1F8E9" shape=diamond style=filled]
+	S0 [label="" color="#81C784" fillcolor="#F1F8E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#03A9F4" fillcolor="#B3E5FC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#03A9F4" fillcolor="#B3E5FC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Predictive Maintenance {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Predictive Maintenance"
+		nest0_0 [label="Over_the_Air Updates" color="#CFCFCF" fillcolor="#F6F6F6" shape=hexagon style=filled]
+		nest0_1 [label="Data Processing at Edge" color="#CFCFCF" fillcolor="#F6F6F6" shape=document style=filled]
+		nest0_2 [label="Smart Home Devices" color="#CFCFCF" fillcolor="#F6F6F6" shape=diamond style=filled]
+		nest0_3 [label="Energy Management Systems" color="#CFCFCF" fillcolor="#F6F6F6" shape=vnode_shape style=filled]
+	}
+	subgraph cluster_Connectivity Management {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Connectivity Management"
+		nest1_0 [label="Healthcare IoT Devices" color="#CFCFCF" fillcolor="#F6F6F6" shape=preparation style=filled]
+		nest1_1 [label="Industrial IoT" color="#03A9F4" fillcolor="#B3E5FC" shape=vnode_shape style=filled]
+		nest1_2 [label="Data Analysis in Cloud" color="#CFCFCF" fillcolor="#F6F6F6" shape=multipledocuments style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#CFCFCF" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#CFCFCF" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="monitors environment" dir=forward]
+	N5 -> N6 [color="#CFCFCF" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#CFCFCF" penwidth=1.5 style=dashed dir=forward]
+	N12 -> N13 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N13 -> N14 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> nest0_3 [color="#CFCFCF" penwidth=1.5 style=solid dir=forward]
+	N4 -> nest0_0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_3 -> N8 [color="#81C784" penwidth=1.5 style=dashed label="ensures privacy" dir=forward]
+	nest1_0 -> nest1_1 [color="#CFCFCF" penwidth=1.5 style=dashed dir=forward]
+	nest1_1 -> nest1_2 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	N11 -> nest1_0 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	nest1_2 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> S0 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	S0 -> N6 [color="#000000" penwidth=1.5 style=dashed label="optimizes industrial processes" dir=forward]
+	S0 -> N8 [color="#CFCFCF" penwidth=1.5 style=solid dir=forward]
+	N2 -> S1 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	S1 -> N13 [color="#CFCFCF" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N5 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	S1 -> N8 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	S1 -> N7 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	N5 -> M0 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	N4 -> M0 [color="#CFCFCF" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M0 [color="#CFCFCF" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M0 [color="#CFCFCF" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N7 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_308.txt b/test/diagrams/scanned_easy/diagrams_308.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a7aa786920dbb73a23b4d24303ab369996344150
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_308.txt
@@ -0,0 +1,33 @@
+<AI at the Edge, connectedTo, Cloud Platform Integration>
+<AI at the Edge, connectedTo, Smart Manufacturing>
+<Blockchain for IoT Security, connectedTo, Data Privacy in IoT>
+<Cloud Platform Integration, connectedTo, Blockchain for IoT Security>
+<Connected Vehicles, connectedTo, Cloud Platform Integration>
+<Data Analysis in Cloud, connectedTo, Environmental Monitoring>
+<Data Privacy in IoT, connectedTo, Smart City Sensors>
+<Data Processing at Edge, connectedTo, Smart Home Devices>
+<Device Prototyping, connectedTo, Blockchain for IoT Security>
+<Device Prototyping, connectedTo, Cloud Platform Integration>
+<Device Prototyping, connectedTo, Environmental Monitoring>
+<Device Prototyping, connectedTo, Interoperability Standards>
+<Device Prototyping, connectedTo, Sensor Integration>
+<Energy Management Systems, ensures privacy, Blockchain for IoT Security>
+<Environmental Monitoring, connectedTo, Cloud Platform Integration>
+<Environmental Monitoring, connectedTo, Connected Vehicles>
+<Healthcare IoT Devices, connectedTo, Industrial IoT>
+<Industrial IoT, connectedTo, Data Analysis in Cloud>
+<Interoperability Standards, connectedTo, Transportation IoT>
+<Over_the_Air Updates, connectedTo, Data Processing at Edge>
+<Power Management for Devices, connectedTo, Interoperability Standards>
+<Retail IoT, connectedTo, Cloud Platform Integration>
+<Retail IoT, connectedTo, Over_the_Air Updates>
+<Retail IoT, monitors environment, Environmental Monitoring>
+<Sensor Integration, connectedTo, Cloud Platform Integration>
+<Sensor Integration, connectedTo, Retail IoT>
+<Smart City Sensors, connectedTo, Supply Chain Optimization>
+<Smart Home Devices, connectedTo, Energy Management Systems>
+<Smart Manufacturing, connectedTo, Blockchain for IoT Security>
+<Smart Manufacturing, connectedTo, Device Prototyping>
+<Smart Manufacturing, optimizes industrial processes, Connected Vehicles>
+<Supply Chain Optimization, connectedTo, Healthcare IoT Devices>
+<Supply Chain Optimization, connectedTo, Power Management for Devices>
diff --git a/test/diagrams/scanned_easy/diagrams_309.txt b/test/diagrams/scanned_easy/diagrams_309.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d1cc9dd14be09a59f393528aab9c647059c1b391
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_309.txt
@@ -0,0 +1,31 @@
+<Compliance and Governance at Edge, connectedTo, Data Synchronization between Edge and Cloud>
+<Compliance and Governance at Edge, connectedTo, Edge Computing Hardware Selection>
+<Compliance and Governance at Edge, connectedTo, Edge Gateway Management>
+<Compliance and Governance at Edge, connectedTo, Fault Tolerance at Edge>
+<Compliance and Governance at Edge, connectedTo, Power Consumption Optimization>
+<Compliance and Governance at Edge, connectedTo, Smart City Edge Solutions>
+<Containerization at Edge, connectedTo, Compliance and Governance at Edge>
+<Containerization at Edge, connectedTo, Smart City Edge Solutions>
+<Edge API Management, connectedTo, Resource Management at Edge>
+<Edge API Management, connectedTo, Smart City Edge Solutions>
+<Edge Application Development, connectedTo, Offline Functionality>
+<Edge Computing Hardware Selection, connectedTo, Data Synchronization between Edge and Cloud>
+<Edge Data Processing, connectedTo, Resource Management at Edge>
+<Edge Gateway Management, connectedTo, Edge Application Development>
+<Edge Network Topology Design, connectedTo, Telecom Edge Computing>
+<Edge_to_Cloud Data Transfer Optimization, connectedTo, Edge Computing Hardware Selection>
+<Fault Tolerance at Edge, connectedTo, Data Synchronization between Edge and Cloud>
+<Fault Tolerance at Edge, connectedTo, Edge_to_Cloud Data Transfer Optimization>
+<Fault Tolerance at Edge, connectedTo, Microservices on Edge Devices>
+<Fault Tolerance at Edge, connectedTo, Power Consumption Optimization>
+<Microservices on Edge Devices, connectedTo, Edge Network Topology Design>
+<Network Optimization for Edge, connectedTo, Containerization at Edge>
+<Network Optimization for Edge, connectedTo, Edge Computing Hardware Selection>
+<Offline Functionality, connectedTo, Compliance and Governance at Edge>
+<Power Consumption Optimization, connectedTo, Edge Computing Hardware Selection>
+<Power Consumption Optimization, connectedTo, Edge_to_Cloud Data Transfer Optimization>
+<Resource Management at Edge, connectedTo, Edge Computing Hardware Selection>
+<Resource Management at Edge, connectedTo, Network Optimization for Edge>
+<Resource Management at Edge, connectedTo, Smart City Edge Solutions>
+<Smart City Edge Solutions, connectedTo, Fault Tolerance at Edge>
+<Telecom Edge Computing, connectedTo, Edge Data Processing>
diff --git a/test/diagrams/scanned_easy/diagrams_310.dot b/test/diagrams/scanned_easy/diagrams_310.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ddfdc9ca803cf40df1b488b7a4ce99315c6b0b4f
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_310.dot
@@ -0,0 +1,63 @@
+digraph {
+	rankdir=TB
+	N0 [label="Private Cloud Management" color="#26A69A" fillcolor="#E0F2F1" shape=vnode_shape style=filled]
+	N1 [label="Disaster Recovery in Cloud" color="#81C784" fillcolor="#F1F8E9" shape=multipledocuments style=filled]
+	N2 [label="Cloud Native Application Development" color="#26A69A" fillcolor="#E0F2F1" shape=hexagon style=filled]
+	N3 [label="Hybrid Cloud Deployment" color="#90A4AE" fillcolor="#ECEFF1" shape=action style=filled]
+	N4 [label="Public Cloud Management" color="#26A69A" fillcolor="#E0F2F1" shape=vnode_shape style=filled]
+	N5 [label="Cloud Automation" color="#90A4AE" fillcolor="#ECEFF1" shape=rectangle style=filled]
+	N6 [label="Cost Optimization in Cloud" color="#90A4AE" fillcolor="#ECEFF1" shape=document style=filled]
+	N7 [label="Cloud Marketplace Integration" color="#26A69A" fillcolor="#E0F2F1" shape=hexagon style=filled]
+	N8 [label="Identity and Access Management" color="#26A69A" fillcolor="#E0F2F1" shape=predefinedprocess style=filled]
+	N9 [label="CI or CD Pipelines in Cloud" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N10 [label="Container Orchestration" color="#90A4AE" fillcolor="#ECEFF1" shape=multipledocuments style=filled]
+	S1 [label="" color="#90A4AE" fillcolor="#ECEFF1" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#81C784" fillcolor="#F1F8E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#26A69A" fillcolor="#E0F2F1" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Cloud Security {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Cloud Security"
+		nest0_0 [label="Compliance in Cloud" color="#26A69A" fillcolor="#E0F2F1" shape=document style=filled]
+		nest0_1 [label="Cloud Migration Strategy" color="#26A69A" fillcolor="#E0F2F1" shape=predefinedprocess style=filled]
+		nest0_2 [label="Cloud_based VPN Setup" color="#26A69A" fillcolor="#E0F2F1" shape=rectangle style=filled]
+		nest0_3 [label="Data Storage in Cloud" color="#26A69A" fillcolor="#E0F2F1" shape=hexagon style=filled]
+	}
+	subgraph cluster_Auto_Scaling Configurations {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Auto_Scaling Configurations"
+		nest1_0 [label="API Management in Cloud" color="#26A69A" fillcolor="#E0F2F1" shape=diamond style=filled]
+		nest1_1 [label="DevOps on Cloud" color="#26A69A" fillcolor="#E0F2F1" shape=preparation style=filled]
+		nest1_2 [label="Software as a Service" color="#81C784" fillcolor="#F1F8E9" shape=parallelogram style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#81C784" penwidth=1.5 style=solid label="manages load balancing" dir=forward]
+	N2 -> N3 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#26A69A" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=solid label="offers MLaaS" dir=forward]
+	N7 -> N8 [color="#26A69A" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#81C784" penwidth=1.5 style=solid label="audits usage" dir=forward]
+	nest0_1 -> nest0_2 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> nest0_3 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	N4 -> nest0_0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N9 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	nest1_0 -> nest1_1 [color="#000000" penwidth=1.5 style=solid label="ensures compliance" dir=forward]
+	nest1_1 -> nest1_2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> nest1_0 [color="#90A4AE" penwidth=1.5 style=solid label="processes big data" dir=forward]
+	nest1_2 -> N9 [color="#26A69A" penwidth=1.5 style=solid dir=forward]
+	N1 -> S1 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N4 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	S1 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> S2 [color="#26A69A" penwidth=1.5 style=solid dir=forward]
+	S2 -> N9 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N10 [color="#26A69A" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> M1 [color="#000000" penwidth=1.5 style=solid label="uses marketplaces" dir=forward]
+	M1 -> N9 [color="#26A69A" penwidth=1.5 style=solid dir=forward]
+	N10 -> N0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_311.dot b/test/diagrams/scanned_easy/diagrams_311.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bb1cbdd162e8c0a25722a1004975e7c780bc9cf4
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_311.dot
@@ -0,0 +1,76 @@
+digraph {
+	rankdir=LR
+	N0 [label="IT Asset Management" color="#FFB2A5" fillcolor="#FFDCD6" shape=preparation style=filled]
+	N1 [label="Server Deployment" color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+	N2 [label="VPN Configuration" color="#03A9F4" fillcolor="#B3E5FC" shape=vnode_shape style=filled]
+	N3 [label="Remote Access Solutions" color="#03A9F4" fillcolor="#B3E5FC" shape=hexagon style=filled]
+	N4 [label="Troubleshooting and Support" color="#03A9F4" fillcolor="#B3E5FC" shape=inputoutput style=filled]
+	N5 [label="Network Security" color="#FFB2A5" fillcolor="#FFDCD6" shape=inputoutput style=filled]
+	N6 [label="Hardware Procurement" color="#FFB2A5" fillcolor="#FFDCD6" shape=hexagon style=filled]
+	N7 [label="Antivirus and Endpoint Protection" color="#03A9F4" fillcolor="#B3E5FC" shape=document style=filled]
+	N8 [label="Access Control Systems" color="#FF8A65" fillcolor="#FBE9E7" shape=rectangle style=filled]
+	N9 [label="Mail Server Management" color="#03A9F4" fillcolor="#B3E5FC" shape=preparation style=filled]
+	N10 [label="Environmental Monitoring" color="#FFB2A5" fillcolor="#FFDCD6" shape=rectangle style=filled]
+	N11 [label="Load Balancer Setup" color="#03A9F4" fillcolor="#B3E5FC" shape=hexagon style=filled]
+	S0 [label="" color="#FFB2A5" fillcolor="#FFDCD6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#03A9F4" fillcolor="#B3E5FC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#FFB2A5" fillcolor="#FFDCD6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFB2A5" fillcolor="#FFDCD6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#FFB2A5" fillcolor="#FFDCD6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Web Server Configuration {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Web Server Configuration"
+		nest0_0 [label="Network Performance Tuning" color="#FFB2A5" fillcolor="#FFDCD6" shape=rectangle style=filled]
+		nest0_1 [label="Monitoring and Alerting" color="#FFB2A5" fillcolor="#FFDCD6" shape=database style=filled]
+		nest0_2 [label="Patch Management" color="#FFB2A5" fillcolor="#FFDCD6" shape=predefinedprocess style=filled]
+	}
+	subgraph cluster_Operating System Installation {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Operating System Installation"
+		nest1_0 [label="Directory Services" color="#FF8A65" fillcolor="#FBE9E7" shape=vnode_shape style=filled]
+		nest1_1 [label="System Administration" color="#FFB2A5" fillcolor="#FFDCD6" shape=multipledocuments style=filled]
+		nest1_2 [label="Capacity Planning" color="#03A9F4" fillcolor="#B3E5FC" shape=database style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="tracks assets" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFB2A5" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFB2A5" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFB2A5" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FFB2A5" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#FFB2A5" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid label="monitors performance" dir=forward]
+	N10 -> N11 [color="#FF8A65" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#FFB2A5" penwidth=1.5 style=solid dir=forward]
+	N6 -> nest0_0 [color="#FF8A65" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N1 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	nest1_0 -> nest1_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest1_1 -> nest1_2 [color="#FFB2A5" penwidth=1.5 style=dashed dir=forward]
+	N4 -> nest1_0 [color="#FFB2A5" penwidth=1.5 style=solid dir=forward]
+	nest1_2 -> N11 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	N4 -> S0 [color="#FFB2A5" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N9 [color="#FFB2A5" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N8 [color="#FF8A65" penwidth=1.5 style=solid dir=forward]
+	S0 -> N7 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	N1 -> S1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N4 [color="#FF8A65" penwidth=1.5 style=solid label="configures load balancers" dir=forward]
+	S1 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> S2 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N8 [color="#FFB2A5" penwidth=1.5 style=solid dir=forward]
+	S2 -> N10 [color="#FF8A65" penwidth=1.5 style=solid dir=forward]
+	S2 -> N9 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M0 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	N6 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N10 [color="#FFB2A5" penwidth=1.5 style=solid dir=forward]
+	N2 -> M1 [color="#FFB2A5" penwidth=1.5 style=solid dir=forward]
+	N0 -> M1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> M1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_311.txt b/test/diagrams/scanned_easy/diagrams_311.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3781e578c508fb151142784d4cb2d05f6741231e
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_311.txt
@@ -0,0 +1,35 @@
+<Access Control Systems, connectedTo, Load Balancer Setup>
+<Access Control Systems, connectedTo, Mail Server Management>
+<Antivirus and Endpoint Protection, connectedTo, Access Control Systems>
+<Capacity Planning, connectedTo, Load Balancer Setup>
+<Directory Services, connectedTo, System Administration>
+<Environmental Monitoring, connectedTo, Load Balancer Setup>
+<Hardware Procurement, connectedTo, Antivirus and Endpoint Protection>
+<Hardware Procurement, connectedTo, Environmental Monitoring>
+<Hardware Procurement, connectedTo, Network Performance Tuning>
+<IT Asset Management, connectedTo, Load Balancer Setup>
+<IT Asset Management, tracks assets, Server Deployment>
+<Mail Server Management, monitors performance, Environmental Monitoring>
+<Monitoring and Alerting, connectedTo, Patch Management>
+<Network Performance Tuning, connectedTo, Monitoring and Alerting>
+<Network Security, connectedTo, Access Control Systems>
+<Network Security, connectedTo, Environmental Monitoring>
+<Network Security, connectedTo, Hardware Procurement>
+<Network Security, connectedTo, Mail Server Management>
+<Patch Management, connectedTo, Server Deployment>
+<Remote Access Solutions, connectedTo, Troubleshooting and Support>
+<Server Deployment, configures load balancers, Troubleshooting and Support>
+<Server Deployment, connectedTo, Antivirus and Endpoint Protection>
+<Server Deployment, connectedTo, Environmental Monitoring>
+<Server Deployment, connectedTo, Load Balancer Setup>
+<Server Deployment, connectedTo, Network Security>
+<Server Deployment, connectedTo, VPN Configuration>
+<System Administration, connectedTo, Capacity Planning>
+<Troubleshooting and Support, connectedTo, Access Control Systems>
+<Troubleshooting and Support, connectedTo, Antivirus and Endpoint Protection>
+<Troubleshooting and Support, connectedTo, Directory Services>
+<Troubleshooting and Support, connectedTo, Hardware Procurement>
+<Troubleshooting and Support, connectedTo, Mail Server Management>
+<Troubleshooting and Support, connectedTo, Network Security>
+<VPN Configuration, connectedTo, Load Balancer Setup>
+<VPN Configuration, connectedTo, Remote Access Solutions>
diff --git a/test/diagrams/scanned_easy/diagrams_312.txt b/test/diagrams/scanned_easy/diagrams_312.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b7f04453f32039df178fbaaabee7537f5fca535d
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_312.txt
@@ -0,0 +1,26 @@
+<Automated Deployment, connectedTo, ChatOps>
+<Automated Rollbacks, connectedTo, Continuous Delivery>
+<Automated Rollbacks, connectedTo, Feedback Loops>
+<Automated Rollbacks, connectedTo, GitOps>
+<Automated Rollbacks, connectedTo, Observability Implementation>
+<Canary Releases, connectedTo, Continuous Delivery>
+<ChatOps, automates operations, Immutable Infrastructure>
+<Collaboration Tools, connectedTo, Automated Deployment>
+<Container Orchestration, connectedTo, Automated Rollbacks>
+<Container Orchestration, connectedTo, Canary Releases>
+<Container Orchestration, connectedTo, Continuous Delivery>
+<Container Orchestration, connectedTo, Cross_Functional Team Collaboration>
+<Containerization, connectedTo, Container Orchestration>
+<Continuous Delivery, connectedTo, Feature Flags>
+<Cross_Functional Team Collaboration, connectedTo, Automated Rollbacks>
+<Cross_Functional Team Collaboration, connectedTo, Collaboration Tools>
+<Feedback Loops, connectedTo, Canary Releases>
+<Feedback Loops, connectedTo, Monitoring and Logging>
+<GitOps, connectedTo, Observability Implementation>
+<Immutable Infrastructure, connectedTo, Cross_Functional Team Collaboration>
+<Monitoring and Logging, connectedTo, Post_Mortem Analysis>
+<Observability Implementation, connectedTo, Canary Releases>
+<Observability Implementation, connectedTo, Continuous Delivery>
+<Observability Implementation, connectedTo, Feature Flags>
+<Observability Implementation, implements blue_green, Feedback Loops>
+<Post_Mortem Analysis, connectedTo, Feature Flags>
diff --git a/test/diagrams/scanned_easy/diagrams_313.txt b/test/diagrams/scanned_easy/diagrams_313.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a797ffa8d25436929d63abd6bf2277c26d49bc13
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_313.txt
@@ -0,0 +1,32 @@
+<Agile Methodologies, connectedTo, Microservices Architecture>
+<Algorithm Design, connectedTo, Containerization>
+<Algorithm Design, connectedTo, Microservices Architecture>
+<Backend Development, connectedTo, Scalability Design>
+<Code Review, connectedTo, Database Design>
+<Code Review, connectedTo, Refactoring>
+<Code Review, connectedTo, System Design>
+<Coding, creates mobile apps, Continuous Delivery>
+<Compiler Design, connectedTo, Backend Development>
+<Containerization, connectedTo, Integration Testing>
+<Continuous Delivery, uses containers, System Design>
+<Continuous Integration, conducts code reviews, User Interface Design>
+<Continuous Integration, connectedTo, Refactoring>
+<Continuous Integration, connectedTo, System Design>
+<Continuous Integration, connectedTo, Technical Debt Management>
+<Database Design, connectedTo, Algorithm Design>
+<Database Design, connectedTo, Refactoring>
+<Embedded Systems Development, connectedTo, Technical Debt Management>
+<Integration Testing, connectedTo, Embedded Systems Development>
+<Maintenance, connectedTo, Requirements Gathering>
+<Microservices Architecture, connectedTo, Maintenance>
+<Refactoring, connectedTo, Coding>
+<Requirements Gathering, connectedTo, Continuous Integration>
+<Requirements Gathering, connectedTo, System Design>
+<Scalability Design, connectedTo, Agile Methodologies>
+<System Design, connectedTo, Technical Debt Management>
+<Technical Debt Management, connectedTo, Frontend Development>
+<Technical Debt Management, connectedTo, User Interface Design>
+<Technical Debt Management, connectedTo, Web Application Development>
+<User Interface Design, connectedTo, Compiler Design>
+<User Interface Design, connectedTo, Frontend Development>
+<Web Application Development, connectedTo, User Interface Design>
diff --git a/test/diagrams/scanned_easy/diagrams_315.dot b/test/diagrams/scanned_easy/diagrams_315.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c1508e84b9a4dd9a6c9455b22dc5f04144cd4b63
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_315.dot
@@ -0,0 +1,70 @@
+digraph {
+	rankdir=TB
+	N0 [label="Concept Development" color="#7E57C2" fillcolor="#EDE7F6" shape=rect style=filled]
+	N1 [label="Analytics Tracking" color="#C2B2F0" fillcolor="#EFE6FF" shape=parallelogram style=filled]
+	N2 [label="Cloud Backend for Mobile" color="#2196F3" fillcolor="#BBDEFB" shape=inputoutput style=filled]
+	N3 [label="Wearable Device Integration" color="#2196F3" fillcolor="#BBDEFB" shape=parallelogram style=filled]
+	N4 [label="Performance Optimization" color="#2196F3" fillcolor="#BBDEFB" shape=ellipse style=filled]
+	N5 [label="Prototyping" color="#7E57C2" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N6 [label="Ad Monetization" color="#C2B2F0" fillcolor="#EFE6FF" shape=rectangle style=filled]
+	N7 [label="Crash Reporting" color="#C2B2F0" fillcolor="#EFE6FF" shape=action style=filled]
+	N8 [label="Testing and Debugging" color="#7E57C2" fillcolor="#EDE7F6" shape=multipledocuments style=filled]
+	N9 [label="Deep Linking" color="#C2B2F0" fillcolor="#EFE6FF" shape=preparation style=filled]
+	N10 [label="Real_time Communication Features" color="#2196F3" fillcolor="#BBDEFB" shape=multipledocuments style=filled]
+	N11 [label="Widget Development" color="#7E57C2" fillcolor="#EDE7F6" shape=database style=filled]
+	N12 [label="Geolocation Services" color="#C2B2F0" fillcolor="#EFE6FF" shape=vnode_shape style=filled]
+	N13 [label="Native App Development" color="#2196F3" fillcolor="#BBDEFB" shape=diamond style=filled]
+	S0 [label="" color="#7E57C2" fillcolor="#EDE7F6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#C2B2F0" fillcolor="#EFE6FF" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#C2B2F0" fillcolor="#EFE6FF" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_API Development {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="API Development"
+		nest0_0 [label="User Feedback Collection" color="#C2B2F0" fillcolor="#EFE6FF" shape=action style=filled]
+		nest0_1 [label="App Store Optimization" color="#2196F3" fillcolor="#BBDEFB" shape=hexagon style=filled]
+		nest0_2 [label="User Onboarding Flows" color="#2196F3" fillcolor="#BBDEFB" shape=rectangle style=filled]
+		nest0_3 [label="Accessibility Features" color="#2196F3" fillcolor="#BBDEFB" shape=rect style=filled]
+	}
+	subgraph cluster_Database Design for Mobile {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Database Design for Mobile"
+		nest1_0 [label="Camera Integration" color="#7E57C2" fillcolor="#EDE7F6" shape=action style=filled]
+		nest1_1 [label="User Interface Design" color="#C2B2F0" fillcolor="#EFE6FF" shape=rect style=filled]
+		nest1_2 [label="IoT Device Control via App" color="#C2B2F0" fillcolor="#EFE6FF" shape=box style=filled]
+	}
+	N0 -> N1 [color="#C2B2F0" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#C2B2F0" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#C2B2F0" penwidth=1.5 style=dashed label="conducts tests" dir=forward]
+	N11 -> N12 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N12 -> N13 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> nest0_2 [color="#C2B2F0" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> nest0_3 [color="#7E57C2" penwidth=1.5 style=dashed label="develops native apps" dir=forward]
+	N1 -> nest0_0 [color="#C2B2F0" penwidth=1.5 style=dashed label="creates wireframes" dir=forward]
+	nest0_3 -> N7 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	nest1_0 -> nest1_1 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	nest1_1 -> nest1_2 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	N6 -> nest1_0 [color="#000000" penwidth=1.5 style=dashed label="manages updates" dir=forward]
+	nest1_2 -> N1 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	N6 -> S0 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	S0 -> N8 [color="#C2B2F0" penwidth=1.5 style=dashed label="gathers feedback" dir=forward]
+	S0 -> N13 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N0 -> S1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N9 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N4 [color="#7E57C2" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N8 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N1 -> M1 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	N3 -> M1 [color="#C2B2F0" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_315.txt b/test/diagrams/scanned_easy/diagrams_315.txt
new file mode 100644
index 0000000000000000000000000000000000000000..fa76fb4b5e44c065b3300bbed1ba8e78b0b6642f
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_315.txt
@@ -0,0 +1,30 @@
+<Accessibility Features, connectedTo, Crash Reporting>
+<Ad Monetization, connectedTo, Crash Reporting>
+<Ad Monetization, connectedTo, Native App Development>
+<Ad Monetization, gathers feedback, Testing and Debugging>
+<Ad Monetization, manages updates, Camera Integration>
+<Analytics Tracking, connectedTo, Cloud Backend for Mobile>
+<Analytics Tracking, connectedTo, Prototyping>
+<Analytics Tracking, creates wireframes, User Feedback Collection>
+<App Store Optimization, connectedTo, User Onboarding Flows>
+<Camera Integration, connectedTo, User Interface Design>
+<Cloud Backend for Mobile, connectedTo, Prototyping>
+<Cloud Backend for Mobile, connectedTo, Wearable Device Integration>
+<Concept Development, connectedTo, Analytics Tracking>
+<Concept Development, connectedTo, Deep Linking>
+<Concept Development, connectedTo, Performance Optimization>
+<Concept Development, connectedTo, Testing and Debugging>
+<Crash Reporting, connectedTo, Testing and Debugging>
+<Deep Linking, connectedTo, Real_time Communication Features>
+<Geolocation Services, connectedTo, Native App Development>
+<IoT Device Control via App, connectedTo, Analytics Tracking>
+<Performance Optimization, connectedTo, Prototyping>
+<Prototyping, connectedTo, Ad Monetization>
+<Real_time Communication Features, conducts tests, Widget Development>
+<Testing and Debugging, connectedTo, Deep Linking>
+<User Feedback Collection, connectedTo, App Store Optimization>
+<User Interface Design, connectedTo, IoT Device Control via App>
+<User Onboarding Flows, develops native apps, Accessibility Features>
+<Wearable Device Integration, connectedTo, Performance Optimization>
+<Wearable Device Integration, connectedTo, Prototyping>
+<Widget Development, connectedTo, Geolocation Services>
diff --git a/test/diagrams/scanned_easy/diagrams_316.dot b/test/diagrams/scanned_easy/diagrams_316.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3afa5d62866f18d62ea7bedb2e692eb370745d8e
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_316.dot
@@ -0,0 +1,75 @@
+digraph {
+	rankdir=BT
+	N0 [label="Platform Algorithm Understanding" color="#73C6BC" fillcolor="#D0EFEE" shape=multipledocuments style=filled]
+	N1 [label="Live Streaming on Social Media" color="#73C6BC" fillcolor="#D0EFEE" shape=hexagon style=filled]
+	N2 [label="Social Media Audits" color="#DCE775" fillcolor="#F9FBE7" shape=rect style=filled]
+	N3 [label="Crisis Communication Plan" color="#DCE775" fillcolor="#F9FBE7" shape=ellipse style=filled]
+	N4 [label="Content Moderation" color="#DCE775" fillcolor="#F9FBE7" shape=multipledocuments style=filled]
+	N5 [label="User_Generated Content Curation" color="#B0C5CD" fillcolor="#DFE7EB" shape=preparation style=filled]
+	N6 [label="Influencer Collaboration" color="#73C6BC" fillcolor="#D0EFEE" shape=predefinedprocess style=filled]
+	N7 [label="Trend Monitoring" color="#73C6BC" fillcolor="#D0EFEE" shape=rectangle style=filled]
+	N8 [label="Group Management" color="#73C6BC" fillcolor="#D0EFEE" shape=rect style=filled]
+	N9 [label="Reach and Impressions Tracking" color="#B0C5CD" fillcolor="#DFE7EB" shape=preparation style=filled]
+	N10 [label="Content Strategy" color="#73C6BC" fillcolor="#D0EFEE" shape=parallelogram style=filled]
+	N11 [label="Ethical Use of Social Media" color="#73C6BC" fillcolor="#D0EFEE" shape=vnode_shape style=filled]
+	N12 [label="Community Management" color="#73C6BC" fillcolor="#D0EFEE" shape=hexagon style=filled]
+	N13 [label="Audience Engagement" color="#B0C5CD" fillcolor="#DFE7EB" shape=vnode_shape style=filled]
+	N14 [label="Direct Messaging Strategy" color="#DCE775" fillcolor="#F9FBE7" shape=preparation style=filled]
+	N15 [label="Social Selling" color="#B0C5CD" fillcolor="#DFE7EB" shape=diamond style=filled]
+	S1 [label="" color="#DCE775" fillcolor="#F9FBE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#DCE775" fillcolor="#F9FBE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#DCE775" fillcolor="#F9FBE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Link_in_Bio Optimization {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Link_in_Bio Optimization"
+		nest0_0 [label="Personal Branding on Social Media" color="#73C6BC" fillcolor="#D0EFEE" shape=document style=filled]
+		nest0_1 [label="Social Listening" color="#B0C5CD" fillcolor="#DFE7EB" shape=ellipse style=filled]
+		nest0_2 [label="Platform Selection" color="#B0C5CD" fillcolor="#DFE7EB" shape=database style=filled]
+		nest0_3 [label="Content Creation" color="#B0C5CD" fillcolor="#DFE7EB" shape=document style=filled]
+	}
+	subgraph cluster_Cross_Promotion {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Cross_Promotion"
+		nest1_0 [label="Customer Service on Social Media" color="#73C6BC" fillcolor="#D0EFEE" shape=multipledocuments style=filled]
+		nest1_1 [label="Follower Growth Monitoring" color="#73C6BC" fillcolor="#D0EFEE" shape=parallelogram style=filled]
+		nest1_2 [label="Reputation Management" color="#B0C5CD" fillcolor="#DFE7EB" shape=database style=filled]
+	}
+	N0 -> N1 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#B0C5CD" penwidth=1.5 style=dashed label="develops strategies" dir=forward]
+	N7 -> N8 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N12 -> N13 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N13 -> N14 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	N14 -> N15 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N13 -> nest0_0 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest1_0 -> nest1_1 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	nest1_1 -> nest1_2 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	N12 -> nest1_0 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+	nest1_2 -> N13 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> S1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N7 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N9 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N13 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+	N9 -> M0 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+	N2 -> M0 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+	N7 -> M0 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
+	N4 -> M0 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> M1 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	M1 -> N15 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_318.txt b/test/diagrams/scanned_easy/diagrams_318.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d0ba7f7685a62ac6e07b3c2e070017e97d61eb7e
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_318.txt
@@ -0,0 +1,29 @@
+<API Security for Identity, connectedTo, Authorization>
+<API Security for Identity, connectedTo, Customer Identity and Access Management>
+<Access Governance, connectedTo, Compliance with Data Protection Regulations>
+<Access Governance, connectedTo, Data Minimization Principles>
+<Access Governance, connectedTo, Portable Identities>
+<Attribute Management, connectedTo, API Security for Identity>
+<Attribute Management, connectedTo, Digital Certificates>
+<Attribute Management, connectedTo, Identity as a Service>
+<Authorization, connectedTo, Access Governance>
+<Authorization, connectedTo, Compliance with Data Protection Regulations>
+<Authorization, performs KYCs, Identity as a Service>
+<Biometric Authentication, connectedTo, Compliance with Data Protection Regulations>
+<Compliance with Data Protection Regulations, connectedTo, Federated Identity Management>
+<Credential Management, connectedTo, Compliance with Data Protection Regulations>
+<Customer Identity and Access Management, federates identities, Social Login Integration>
+<Data Encryption for Identity, connectedTo, Digital Signatures>
+<Data Minimization Principles, connectedTo, Identity Proofing>
+<Digital Certificates, connectedTo, Biometric Authentication>
+<Digital Signatures, connectedTo, Identity as a Service>
+<Federated Identity Management, connectedTo, Data Minimization Principles>
+<Identity as a Service, connectedTo, Compliance with Data Protection Regulations>
+<Identity as a Service, connectedTo, Credential Management>
+<Identity as a Service, connectedTo, Data Minimization Principles>
+<Portable Identities, connectedTo, Compliance with Data Protection Regulations>
+<Portable Identities, connectedTo, Identity as a Service>
+<Single Sign_On, connectedTo, Identity as a Service>
+<Single Sign_On, connectedTo, User Registration>
+<Social Login Integration, connectedTo, Data Encryption for Identity>
+<User Registration, connectedTo, Attribute Management>
diff --git a/test/diagrams/scanned_easy/diagrams_319.txt b/test/diagrams/scanned_easy/diagrams_319.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1e4b0928fe85b9ebd9b3a61e93b37465b91cdbaf
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_319.txt
@@ -0,0 +1,38 @@
+<AI in Online Education, connectedTo, Gamification in Education>
+<AI in Online Education, connectedTo, Student Engagement Strategies>
+<AI in Online Education, connectedTo, Test Preparation Courses>
+<Adaptive Learning Technologies, connectedTo, Micro_credential Programs>
+<Adaptive Learning Technologies, connectedTo, Virtual Field Trips>
+<Asynchronous Learning, connectedTo, Synchronous Learning>
+<Certification Issuance, connectedTo, Enrollment and Retention Strategies>
+<Certification Issuance, connectedTo, Micro_credential Programs>
+<Competency_Based Education, connectedTo, Virtual Labs and Simulations>
+<Content Creation, connectedTo, Interactive Learning Activities>
+<Curriculum Development, connectedTo, AI in Online Education>
+<Curriculum Development, provides OER, Micro_credential Programs>
+<Digital Badges, connectedTo, Interactive Learning Activities>
+<Digital Badges, connectedTo, Synchronous Learning>
+<Discussion Forum Moderation, connectedTo, Competency_Based Education>
+<Enrollment and Retention Strategies, connectedTo, Curriculum Development>
+<Enrollment and Retention Strategies, connectedTo, Micro_credential Programs>
+<Gamification in Education, connectedTo, Synchronous Learning>
+<Gamification in Education, connectedTo, Test Preparation Courses>
+<Interactive Learning Activities, connectedTo, Synchronous Learning>
+<Interactive Learning Activities, engages parents, Gamification in Education>
+<Language Learning Platforms, connectedTo, Content Creation>
+<Learning Management System Administration, connectedTo, Adaptive Learning Technologies>
+<Micro_credential Programs, connectedTo, Student Progress Tracking>
+<Micro_credential Programs, connectedTo, Synchronous Learning>
+<Peer_to_Peer Learning, connectedTo, Asynchronous Learning>
+<Peer_to_Peer Learning, connectedTo, Gamification in Education>
+<Peer_to_Peer Learning, connectedTo, Interactive Learning Activities>
+<Peer_to_Peer Learning, connectedTo, Personalized Learning Paths>
+<Peer_to_Peer Learning, connectedTo, Test Preparation Courses>
+<Peer_to_Peer Learning, protects data privacy, Digital Badges>
+<Personalized Learning Paths, connectedTo, Language Learning Platforms>
+<Student Engagement Strategies, connectedTo, Learning Management System Administration>
+<Student Progress Tracking, creates courses, Peer_to_Peer Learning>
+<Synchronous Learning, ensures accessibility, Feedback and Grading>
+<Test Preparation Courses, connectedTo, Asynchronous Learning>
+<Virtual Field Trips, connectedTo, Discussion Forum Moderation>
+<Virtual Labs and Simulations, connectedTo, Learning Management System Administration>
diff --git a/test/diagrams/scanned_easy/diagrams_32.txt b/test/diagrams/scanned_easy/diagrams_32.txt
new file mode 100644
index 0000000000000000000000000000000000000000..134c3d4682f5cccc8fb49040ecedb2eaafa5e544
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_32.txt
@@ -0,0 +1,10 @@
+<Customer Feedback Analysis, innovates, Fabric Innovation>
+<Design Sketching, connectedTo, Sample Creation>
+<Design Sketching, manages, Customer Feedback Analysis>
+<Fabric Innovation, inspects, Intellectual Property Protection>
+<Fabric Innovation, tests, Seasonal Collection Planning>
+<Global Sourcing Strategy, connectedTo, Design Sketching>
+<Inventory Management, connectedTo, Marketing Campaign>
+<Marketing Campaign, designs, Customer Feedback Analysis>
+<Sample Creation, distributes, Inventory Management>
+<Seasonal Collection Planning, connectedTo, Global Sourcing Strategy>
diff --git a/test/diagrams/scanned_easy/diagrams_320.txt b/test/diagrams/scanned_easy/diagrams_320.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3679ad62b25f78803c839f110fa5d2a3949d2c8d
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_320.txt
@@ -0,0 +1,32 @@
+<Career Pathway Mapping, administers quizzes, Course Audit Options>
+<Career Pathway Mapping, connectedTo, Certificate of Completion Issuance>
+<Career Pathway Mapping, connectedTo, Course Promotion>
+<Completion Rate Optimization, connectedTo, Forum Moderation>
+<Corporate Training Solutions, connectedTo, Verified Track Management>
+<Course Audit Options, connectedTo, Certificate of Completion Issuance>
+<Course Content Development, connectedTo, Career Pathway Mapping>
+<Course Content Development, connectedTo, Financial Aid for Learners>
+<Course Promotion, connectedTo, Corporate Training Solutions>
+<Course Promotion, connectedTo, Course Audit Options>
+<Discussion Forum Management, connectedTo, Completion Rate Optimization>
+<Employer Recognition, connectedTo, Course Content Development>
+<Employer Recognition, connectedTo, Financial Aid for Learners>
+<Employer Recognition, manages registrations, Learner Support>
+<Engagement Metrics Tracking, connectedTo, Self_Paced Learning Tracks>
+<Financial Aid for Learners, connectedTo, Career Pathway Mapping>
+<Financial Aid for Learners, connectedTo, Gamification for Engagement>
+<Forum Moderation, connectedTo, Gamification for Engagement>
+<Gamification for Engagement, connectedTo, Career Pathway Mapping>
+<Global Accessibility Features, connectedTo, Financial Aid for Learners>
+<Global Accessibility Features, connectedTo, Learner Analytics>
+<Global Accessibility Features, connectedTo, Self_Paced Learning Tracks>
+<Learner Analytics, connectedTo, Certificate of Completion Issuance>
+<Learner Analytics, connectedTo, Course Content Development>
+<Learner Analytics, connectedTo, Engagement Metrics Tracking>
+<Learner Analytics, connectedTo, Financial Aid for Learners>
+<Learner Analytics, connectedTo, Self_Paced Learning Tracks>
+<Learner Support, connectedTo, Discussion Forum Management>
+<Peer Grading Implementation, supports learners, Self_Paced Learning Tracks>
+<Self_Paced Learning Tracks, connectedTo, Career Pathway Mapping>
+<Self_Paced Learning Tracks, connectedTo, Employer Recognition>
+<Verified Track Management, connectedTo, Peer Grading Implementation>
diff --git a/test/diagrams/scanned_easy/diagrams_321.dot b/test/diagrams/scanned_easy/diagrams_321.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ba3dc5cc47b05308ac1784ffa744357f8c825570
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_321.dot
@@ -0,0 +1,79 @@
+digraph {
+	rankdir=RL
+	N0 [label="Science Concept Review" color="#94C0C0" fillcolor="#CADEDE" shape=vnode_shape style=filled]
+	N1 [label="Online Course Delivery" color="#D2D2D2" fillcolor="#F0F0F0" shape=vnode_shape style=filled]
+	N2 [label="Critical Thinking Development" color="#94C0C0" fillcolor="#CADEDE" shape=action style=filled]
+	N3 [label="Video Lecture Production" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N4 [label="English Proficiency Test Prep" color="#D2D2D2" fillcolor="#F0F0F0" shape=inputoutput style=filled]
+	N5 [label="Exam Day Tips" color="#D2D2D2" fillcolor="#F0F0F0" shape=diamond style=filled]
+	N6 [label="AI_Powered Tutoring" color="#388E3C" fillcolor="#C8E6C9" shape=box style=filled]
+	N7 [label="College Entrance Exam Prep" color="#D2D2D2" fillcolor="#F0F0F0" shape=database style=filled]
+	N8 [label="Professional Licensure Exam Prep" color="#94C0C0" fillcolor="#CADEDE" shape=box style=filled]
+	N9 [label="Adaptive Learning Algorithms" color="#94C0C0" fillcolor="#CADEDE" shape=preparation style=filled]
+	N10 [label="History Topic Mastery" color="#388E3C" fillcolor="#C8E6C9" shape=hexagon style=filled]
+	N11 [label="Study Group Facilitation" color="#388E3C" fillcolor="#C8E6C9" shape=predefinedprocess style=filled]
+	N12 [label="Reading Comprehension Drills" color="#94C0C0" fillcolor="#CADEDE" shape=rect style=filled]
+	N13 [label="Mock Exam Administration" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
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+	N17 [label="Time Management Coaching" color="#388E3C" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N18 [label="Test_Taking Strategies" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
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+	subgraph cluster_Graduate School Exam Prep {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Graduate School Exam Prep"
+		nest0_0 [label="Performance Feedback" color="#388E3C" fillcolor="#C8E6C9" shape=document style=filled]
+		nest0_1 [label="Flashcard Creation" color="#388E3C" fillcolor="#C8E6C9" shape=database style=filled]
+	}
+	subgraph cluster_Curriculum Development {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Curriculum Development"
+		nest1_0 [label="Motivation Coaching" color="#388E3C" fillcolor="#C8E6C9" shape=multipledocuments style=filled]
+		nest1_1 [label="Score Analysis" color="#D2D2D2" fillcolor="#F0F0F0" shape=ellipse style=filled]
+		nest1_2 [label="Study Environment Optimization" color="#388E3C" fillcolor="#C8E6C9" shape=rect style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
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+	N17 -> N18 [color="#388E3C" penwidth=1.5 style=dashed label="reviews" dir=forward]
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+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_321.txt b/test/diagrams/scanned_easy/diagrams_321.txt
new file mode 100644
index 0000000000000000000000000000000000000000..255d206d7dc20ae200cbc45db2f66dd930f29b24
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_321.txt
@@ -0,0 +1,34 @@
+<AI_Powered Tutoring, connectedTo, College Entrance Exam Prep>
+<AI_Powered Tutoring, connectedTo, Motivation Coaching>
+<Adaptive Learning Algorithms, connectedTo, History Topic Mastery>
+<Adaptive Learning Algorithms, connectedTo, Reading Comprehension Drills>
+<Adaptive Learning Algorithms, connectedTo, Time Management Coaching>
+<College Entrance Exam Prep, connectedTo, Performance Feedback>
+<College Entrance Exam Prep, connectedTo, Professional Licensure Exam Prep>
+<Critical Thinking Development, connectedTo, History Topic Mastery>
+<Critical Thinking Development, connectedTo, Video Lecture Production>
+<Diagnostic Assessment, connectedTo, Time Management Coaching>
+<English Proficiency Test Prep, connectedTo, College Entrance Exam Prep>
+<English Proficiency Test Prep, connectedTo, Exam Day Tips>
+<Exam Day Tips, connectedTo, AI_Powered Tutoring>
+<Exam Day Tips, connectedTo, College Entrance Exam Prep>
+<Flashcard Creation, connectedTo, History Topic Mastery>
+<History Topic Mastery, connectedTo, Study Group Facilitation>
+<Mock Exam Administration, tracks, Practice Test Creation>
+<Motivation Coaching, connectedTo, Score Analysis>
+<Online Course Delivery, connectedTo, Critical Thinking Development>
+<Performance Feedback, connectedTo, Flashcard Creation>
+<Personalized Study Plans, connectedTo, Diagnostic Assessment>
+<Practice Test Creation, connectedTo, Personalized Study Plans>
+<Professional Licensure Exam Prep, communicates, Time Management Coaching>
+<Professional Licensure Exam Prep, connectedTo, Adaptive Learning Algorithms>
+<Professional Licensure Exam Prep, connectedTo, Reading Comprehension Drills>
+<Reading Comprehension Drills, connectedTo, Mock Exam Administration>
+<Science Concept Review, connectedTo, College Entrance Exam Prep>
+<Science Concept Review, connectedTo, Online Course Delivery>
+<Science Concept Review, facilitates, History Topic Mastery>
+<Score Analysis, connectedTo, Study Environment Optimization>
+<Study Environment Optimization, connectedTo, English Proficiency Test Prep>
+<Study Group Facilitation, connectedTo, Reading Comprehension Drills>
+<Time Management Coaching, reviews, Test_Taking Strategies>
+<Video Lecture Production, analyzes, English Proficiency Test Prep>
diff --git a/test/diagrams/scanned_easy/diagrams_322.dot b/test/diagrams/scanned_easy/diagrams_322.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3e43ee4e6c95ff5d1cf9d9de2d1e9c0f44064853
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_322.dot
@@ -0,0 +1,65 @@
+digraph {
+	rankdir=LR
+	N0 [label="Speaking Practice" color="#2196F3" fillcolor="#BBDEFB" shape=box style=filled]
+	N1 [label="Cultural Immersion" color="#2196F3" fillcolor="#BBDEFB" shape=rect style=filled]
+	N2 [label="Native Speaker Interaction" color="#2196F3" fillcolor="#BBDEFB" shape=rectangle style=filled]
+	N3 [label="Self_Study Modules" color="#2196F3" fillcolor="#BBDEFB" shape=parallelogram style=filled]
+	N4 [label="Slang and Idioms Learning" color="#61CAC3" fillcolor="#C2E8E6" shape=rectangle style=filled]
+	N5 [label="Instructor_Led Classes" color="#B0C5CD" fillcolor="#DFE7EB" shape=parallelogram style=filled]
+	N6 [label="Role_Playing Scenarios" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
+	N7 [label="Language Exchange Programs" color="#2196F3" fillcolor="#BBDEFB" shape=diamond style=filled]
+	N8 [label="Adult Language Learning" color="#61CAC3" fillcolor="#C2E8E6" shape=inputoutput style=filled]
+	N9 [label="Reading Comprehension" color="#61CAC3" fillcolor="#C2E8E6" shape=hexagon style=filled]
+	S0 [label="" color="#61CAC3" fillcolor="#C2E8E6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#2196F3" fillcolor="#BBDEFB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#B0C5CD" fillcolor="#DFE7EB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#61CAC3" fillcolor="#C2E8E6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M2 [label="" color="#B0C5CD" fillcolor="#DFE7EB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Writing Exercises {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Writing Exercises"
+		nest0_0 [label="Translation Exercises" color="#61CAC3" fillcolor="#C2E8E6" shape=multipledocuments style=filled]
+		nest0_1 [label="Grammar Practice" color="#61CAC3" fillcolor="#C2E8E6" shape=vnode_shape style=filled]
+	}
+	subgraph cluster_Speech Recognition Technology {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Speech Recognition Technology"
+		nest1_0 [label="Virtual Reality Language Environments" color="#2196F3" fillcolor="#BBDEFB" shape=inputoutput style=filled]
+		nest1_1 [label="Certification Exam Preparation" color="#61CAC3" fillcolor="#C2E8E6" shape=parallelogram style=filled]
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+	N3 -> S1 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
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+	N1 -> S2 [color="#2196F3" penwidth=1.5 style=solid dir=forward]
+	S2 -> N4 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
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+	S2 -> N8 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M0 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M0 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N0 -> M2 [color="#2196F3" penwidth=1.5 style=dashed dir=forward]
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+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_322.txt b/test/diagrams/scanned_easy/diagrams_322.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a557d048b2e1d21b409084b72387207573235b0b
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_322.txt
@@ -0,0 +1,25 @@
+<Adult Language Learning, connectedTo, Reading Comprehension>
+<Certification Exam Preparation, connectedTo, Cultural Immersion>
+<Cultural Immersion, connectedTo, Adult Language Learning>
+<Cultural Immersion, connectedTo, Language Exchange Programs>
+<Cultural Immersion, connectedTo, Native Speaker Interaction>
+<Cultural Immersion, connectedTo, Slang and Idioms Learning>
+<Grammar Practice, analyzes, Native Speaker Interaction>
+<Instructor_Led Classes, connectedTo, Role_Playing Scenarios>
+<Instructor_Led Classes, connectedTo, Translation Exercises>
+<Language Exchange Programs, connectedTo, Adult Language Learning>
+<Language Exchange Programs, connectedTo, Virtual Reality Language Environments>
+<Native Speaker Interaction, connectedTo, Self_Study Modules>
+<Native Speaker Interaction, connectedTo, Slang and Idioms Learning>
+<Role_Playing Scenarios, connectedTo, Language Exchange Programs>
+<Self_Study Modules, connectedTo, Language Exchange Programs>
+<Self_Study Modules, connectedTo, Reading Comprehension>
+<Self_Study Modules, connectedTo, Role_Playing Scenarios>
+<Self_Study Modules, connectedTo, Slang and Idioms Learning>
+<Slang and Idioms Learning, connectedTo, Adult Language Learning>
+<Slang and Idioms Learning, connectedTo, Instructor_Led Classes>
+<Slang and Idioms Learning, connectedTo, Language Exchange Programs>
+<Speaking Practice, connectedTo, Cultural Immersion>
+<Speaking Practice, connectedTo, Slang and Idioms Learning>
+<Translation Exercises, connectedTo, Grammar Practice>
+<Virtual Reality Language Environments, connectedTo, Certification Exam Preparation>
diff --git a/test/diagrams/scanned_easy/diagrams_323.dot b/test/diagrams/scanned_easy/diagrams_323.dot
new file mode 100644
index 0000000000000000000000000000000000000000..93f4361162b393eeb986357d127a7f9ca223ff65
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_323.dot
@@ -0,0 +1,77 @@
+digraph {
+	rankdir=TB
+	N0 [label="Child & Adolescent Therapy" color="#BCB88A" fillcolor="#F5F5DC" shape=rect style=filled]
+	N1 [label="Music Therapy" color="#FFE470" fillcolor="#FFFAE0" shape=inputoutput style=filled]
+	N2 [label="Inpatient Treatment Coordination" color="#FFF8A6" fillcolor="#FFFDE0" shape=rectangle style=filled]
+	N3 [label="Eating Disorder Treatment" color="#FFF8A6" fillcolor="#FFFDE0" shape=document style=filled]
+	N4 [label="Support Group Facilitation" color="#FFF8A6" fillcolor="#FFFDE0" shape=ellipse style=filled]
+	N5 [label="Peer Support Programs" color="#FFE470" fillcolor="#FFFAE0" shape=preparation style=filled]
+	N6 [label="Emotional Regulation Training" color="#BCB88A" fillcolor="#F5F5DC" shape=diamond style=filled]
+	N7 [label="Telehealth Counseling" color="#FFE470" fillcolor="#FFFAE0" shape=vnode_shape style=filled]
+	N8 [label="Outpatient Program Management" color="#FFE470" fillcolor="#FFFAE0" shape=parallelogram style=filled]
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+	N12 [label="Post_Traumatic Stress Disorder Support" color="#BCB88A" fillcolor="#F5F5DC" shape=rect style=filled]
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+	N16 [label="Mental Health Education" color="#FFF8A6" fillcolor="#FFFDE0" shape=hexagon style=filled]
+	N17 [label="Family Therapy" color="#FFE470" fillcolor="#FFFAE0" shape=box style=filled]
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+	M1 [label="" color="#FFF8A6" fillcolor="#FFFDE0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Dialectical Behavior Therapy {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Dialectical Behavior Therapy"
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+		nest0_3 [label="Grief Counseling" color="#BCB88A" fillcolor="#F5F5DC" shape=rect style=filled]
+	}
+	subgraph cluster_Workplace Mental Health Programs {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Workplace Mental Health Programs"
+		nest1_0 [label="Depression Treatment" color="#FFE470" fillcolor="#FFFAE0" shape=vnode_shape style=filled]
+		nest1_1 [label="Therapy Session" color="#FFE470" fillcolor="#FFFAE0" shape=action style=filled]
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+	nest0_1 -> nest0_2 [color="#BCB88A" penwidth=1.5 style=dashed label="develops" dir=forward]
+	nest0_2 -> nest0_3 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	N13 -> nest0_0 [color="#BCB88A" penwidth=1.5 style=dashed label="reduces" dir=forward]
+	nest0_3 -> N10 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	nest1_0 -> nest1_1 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	N11 -> nest1_0 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	nest1_1 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N11 -> S0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N17 [color="#FFE470" penwidth=1.5 style=dashed label="provides" dir=forward]
+	S0 -> N13 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N15 [color="#FFF8A6" penwidth=1.5 style=dashed dir=forward]
+	N7 -> S1 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N10 [color="#FFE470" penwidth=1.5 style=solid dir=forward]
+	S1 -> N9 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N13 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N6 -> M1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> M1 [color="#FFF8A6" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M1 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N8 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_323.txt b/test/diagrams/scanned_easy/diagrams_323.txt
new file mode 100644
index 0000000000000000000000000000000000000000..178fa2b9329b82c0950691a270e4f67e243ea76c
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_323.txt
@@ -0,0 +1,34 @@
+<Anxiety Management, connectedTo, Medication Management>
+<Bipolar Disorder Management, connectedTo, Coping Skill Development>
+<Bipolar Disorder Management, connectedTo, Depression Treatment>
+<Bipolar Disorder Management, connectedTo, Medication Management>
+<Bipolar Disorder Management, connectedTo, Post_Traumatic Stress Disorder Support>
+<Bipolar Disorder Management, provides, Family Therapy>
+<Child & Adolescent Therapy, connectedTo, Music Therapy>
+<Cognitive Behavioral Therapy, connectedTo, Bipolar Disorder Management>
+<Coping Skill Development, connectedTo, Anxiety Management>
+<Coping Skill Development, reduces, Mental Health Screening>
+<Depression Treatment, connectedTo, Therapy Session>
+<Eating Disorder Treatment, connectedTo, Support Group Facilitation>
+<Emotional Regulation Training, connectedTo, Outpatient Program Management>
+<Emotional Regulation Training, connectedTo, Telehealth Counseling>
+<Grief Counseling, connectedTo, Cognitive Behavioral Therapy>
+<Inpatient Treatment Coordination, connectedTo, Eating Disorder Treatment>
+<Inpatient Treatment Coordination, connectedTo, Outpatient Program Management>
+<Medication Management, medicates, Mental Health Education>
+<Mental Health Education, connectedTo, Family Therapy>
+<Mental Health Screening, connectedTo, Treatment Plan Development>
+<Music Therapy, connectedTo, Inpatient Treatment Coordination>
+<Outpatient Program Management, connectedTo, Schizophrenia Management>
+<Peer Support Programs, connectedTo, Emotional Regulation Training>
+<Peer Support Programs, connectedTo, Outpatient Program Management>
+<Post_Traumatic Stress Disorder Support, connectedTo, Coping Skill Development>
+<Schizophrenia Management, connectedTo, Cognitive Behavioral Therapy>
+<Substance Abuse Counseling, connectedTo, Grief Counseling>
+<Support Group Facilitation, connectedTo, Peer Support Programs>
+<Telehealth Counseling, connectedTo, Cognitive Behavioral Therapy>
+<Telehealth Counseling, connectedTo, Coping Skill Development>
+<Telehealth Counseling, connectedTo, Outpatient Program Management>
+<Telehealth Counseling, connectedTo, Schizophrenia Management>
+<Therapy Session, connectedTo, Peer Support Programs>
+<Treatment Plan Development, develops, Substance Abuse Counseling>
diff --git a/test/diagrams/scanned_easy/diagrams_325.dot b/test/diagrams/scanned_easy/diagrams_325.dot
new file mode 100644
index 0000000000000000000000000000000000000000..60da1c189311387c216ffbff91c3f8fd9acdaf3e
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_325.dot
@@ -0,0 +1,75 @@
+digraph {
+	rankdir=TB
+	N0 [label="Functional Fitness Training" color="#CDDC39" fillcolor="#E6EE9C" shape=rect style=filled]
+	N1 [label="Recovery Strategies" color="#6EB76D" fillcolor="#E9F7E8" shape=vnode_shape style=filled]
+	N2 [label="Biometric Feedback Integration" color="#CDDC39" fillcolor="#E6EE9C" shape=vnode_shape style=filled]
+	N3 [label="Corporate Wellness Programs" color="#81C784" fillcolor="#F1F8E9" shape=database style=filled]
+	N4 [label="Fitness Assessment" color="#81C784" fillcolor="#F1F8E9" shape=vnode_shape style=filled]
+	N5 [label="Injury Prevention" color="#6EB76D" fillcolor="#E9F7E8" shape=parallelogram style=filled]
+	N6 [label="Motivation and Goal Setting" color="#81C784" fillcolor="#F1F8E9" shape=parallelogram style=filled]
+	N7 [label="Endurance Training" color="#CDDC39" fillcolor="#E6EE9C" shape=database style=filled]
+	N8 [label="Body Composition Analysis" color="#81C784" fillcolor="#F1F8E9" shape=predefinedprocess style=filled]
+	N9 [label="Rehabilitation Exercises" color="#6EB76D" fillcolor="#E9F7E8" shape=vnode_shape style=filled]
+	N10 [label="Cross_Training" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N11 [label="Cardiovascular Training" color="#CDDC39" fillcolor="#E6EE9C" shape=rectangle style=filled]
+	N12 [label="Sports_Specific Training" color="#6EB76D" fillcolor="#E9F7E8" shape=preparation style=filled]
+	N13 [label="Home Workout Programs" color="#CDDC39" fillcolor="#E6EE9C" shape=vnode_shape style=filled]
+	N14 [label="Community Fitness Challenges" color="#81C784" fillcolor="#F1F8E9" shape=database style=filled]
+	N15 [label="Weightlifting Techniques" color="#81C784" fillcolor="#F1F8E9" shape=preparation style=filled]
+	N16 [label="Personal Training" color="#81C784" fillcolor="#F1F8E9" shape=inputoutput style=filled]
+	S0 [label="" color="#81C784" fillcolor="#F1F8E9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#CDDC39" fillcolor="#E6EE9C" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#CDDC39" fillcolor="#E6EE9C" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Group Fitness Classes {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Group Fitness Classes"
+		nest0_0 [label="Mind_Body Connection" color="#CDDC39" fillcolor="#E6EE9C" shape=predefinedprocess style=filled]
+		nest0_1 [label="Senior Fitness Programs" color="#CDDC39" fillcolor="#E6EE9C" shape=parallelogram style=filled]
+	}
+	subgraph cluster_HIIT Workouts {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="HIIT Workouts"
+		nest1_0 [label="Yoga Instruction" color="#81C784" fillcolor="#F1F8E9" shape=document style=filled]
+		nest1_1 [label="Hydration for Exercise" color="#CDDC39" fillcolor="#E6EE9C" shape=box style=filled]
+		nest1_2 [label="Posture Correction" color="#CDDC39" fillcolor="#E6EE9C" shape=predefinedprocess style=filled]
+		nest1_3 [label="Online Fitness Coaching" color="#CDDC39" fillcolor="#E6EE9C" shape=preparation style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#CDDC39" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#CDDC39" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#CDDC39" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	N11 -> N12 [color="#CDDC39" penwidth=1.5 style=dashed label="distributes" dir=forward]
+	N12 -> N13 [color="#CDDC39" penwidth=1.5 style=dashed dir=forward]
+	N13 -> N14 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	N14 -> N15 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N15 -> N16 [color="#CDDC39" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#CDDC39" penwidth=1.5 style=solid dir=forward]
+	N9 -> nest0_0 [color="#CDDC39" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N11 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	nest1_0 -> nest1_1 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	nest1_1 -> nest1_2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest1_2 -> nest1_3 [color="#CDDC39" penwidth=1.5 style=solid dir=forward]
+	N8 -> nest1_0 [color="#CDDC39" penwidth=1.5 style=dashed label="develops" dir=forward]
+	nest1_3 -> N5 [color="#81C784" penwidth=1.5 style=solid label="predicts" dir=forward]
+	N4 -> S0 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N13 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	S0 -> N16 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N7 [color="#CDDC39" penwidth=1.5 style=dashed dir=forward]
+	N4 -> S1 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	S1 -> N16 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N6 [color="#6EB76D" penwidth=1.5 style=solid dir=forward]
+	S1 -> N15 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N13 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N0 -> M1 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N2 -> M1 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N4 [color="#6EB76D" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_325.txt b/test/diagrams/scanned_easy/diagrams_325.txt
new file mode 100644
index 0000000000000000000000000000000000000000..22cf8bb37e0c22a70e53f225270ada10b7ecf9a3
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_325.txt
@@ -0,0 +1,31 @@
+<Biometric Feedback Integration, connectedTo, Corporate Wellness Programs>
+<Biometric Feedback Integration, connectedTo, Fitness Assessment>
+<Body Composition Analysis, connectedTo, Rehabilitation Exercises>
+<Body Composition Analysis, develops, Yoga Instruction>
+<Cardiovascular Training, distributes, Sports_Specific Training>
+<Community Fitness Challenges, connectedTo, Weightlifting Techniques>
+<Corporate Wellness Programs, connectedTo, Fitness Assessment>
+<Cross_Training, connectedTo, Cardiovascular Training>
+<Endurance Training, connectedTo, Body Composition Analysis>
+<Fitness Assessment, connectedTo, Endurance Training>
+<Fitness Assessment, connectedTo, Home Workout Programs>
+<Fitness Assessment, connectedTo, Injury Prevention>
+<Fitness Assessment, connectedTo, Motivation and Goal Setting>
+<Fitness Assessment, connectedTo, Personal Training>
+<Fitness Assessment, connectedTo, Weightlifting Techniques>
+<Functional Fitness Training, connectedTo, Fitness Assessment>
+<Functional Fitness Training, connectedTo, Recovery Strategies>
+<Home Workout Programs, connectedTo, Community Fitness Challenges>
+<Hydration for Exercise, connectedTo, Posture Correction>
+<Injury Prevention, connectedTo, Motivation and Goal Setting>
+<Mind_Body Connection, connectedTo, Senior Fitness Programs>
+<Motivation and Goal Setting, connectedTo, Endurance Training>
+<Online Fitness Coaching, predicts, Injury Prevention>
+<Posture Correction, connectedTo, Online Fitness Coaching>
+<Recovery Strategies, connectedTo, Biometric Feedback Integration>
+<Rehabilitation Exercises, connectedTo, Cross_Training>
+<Rehabilitation Exercises, connectedTo, Mind_Body Connection>
+<Senior Fitness Programs, connectedTo, Cardiovascular Training>
+<Sports_Specific Training, connectedTo, Home Workout Programs>
+<Weightlifting Techniques, connectedTo, Personal Training>
+<Yoga Instruction, connectedTo, Hydration for Exercise>
diff --git a/test/diagrams/scanned_easy/diagrams_327.dot b/test/diagrams/scanned_easy/diagrams_327.dot
new file mode 100644
index 0000000000000000000000000000000000000000..895121ce2c66ef4e099473732277514395500e5a
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_327.dot
@@ -0,0 +1,78 @@
+digraph {
+	rankdir=LR
+	N0 [label="Flooring Specification" color="#FFB74D" fillcolor="#FFF3E0" shape=database style=filled]
+	N1 [label="Concept Development" color="#4FC3F7" fillcolor="#E1F5FE" shape=parallelogram style=filled]
+	N2 [label="Building Code Compliance" color="#4FC3F7" fillcolor="#E1F5FE" shape=rectangle style=filled]
+	N3 [label="Textile and Fabric Selection" color="#FFB74D" fillcolor="#FFF3E0" shape=hexagon style=filled]
+	N4 [label="Furniture Selection" color="#FFB74D" fillcolor="#FFF3E0" shape=hexagon style=filled]
+	N5 [label="Color Scheme Selection" color="#4FC3F7" fillcolor="#E1F5FE" shape=hexagon style=filled]
+	N6 [label="Living Room Design" color="#4FC3F7" fillcolor="#E1F5FE" shape=preparation style=filled]
+	N7 [label="Mood Board Creation" color="#FFB74D" fillcolor="#FFF3E0" shape=rectangle style=filled]
+	N8 [label="Kitchen Design" color="#92C79A" fillcolor="#E8F0EA" shape=rect style=filled]
+	N9 [label="Site Measurement" color="#FFB74D" fillcolor="#FFF3E0" shape=rectangle style=filled]
+	N10 [label="Bedroom Design" color="#4FC3F7" fillcolor="#E1F5FE" shape=action style=filled]
+	N11 [label="Contractor Coordination" color="#FFB74D" fillcolor="#FFF3E0" shape=multipledocuments style=filled]
+	S0 [label="" color="#92C79A" fillcolor="#E8F0EA" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#FFB74D" fillcolor="#FFF3E0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFB74D" fillcolor="#FFF3E0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#92C79A" fillcolor="#E8F0EA" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M2 [label="" color="#4FC3F7" fillcolor="#E1F5FE" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Budget Management {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Budget Management"
+		nest0_0 [label="Sustainable Design Practices" color="#FFB74D" fillcolor="#FFF3E0" shape=database style=filled]
+		nest0_1 [label="Commercial Interior Design" color="#4FC3F7" fillcolor="#E1F5FE" shape=hexagon style=filled]
+		nest0_2 [label="Client Consultation" color="#FFB74D" fillcolor="#FFF3E0" shape=rectangle style=filled]
+	}
+	subgraph cluster_Healthcare Interior Design {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Healthcare Interior Design"
+		nest1_0 [label="Project Management" color="#FFB74D" fillcolor="#FFF3E0" shape=database style=filled]
+		nest1_1 [label="Installation Supervision" color="#92C79A" fillcolor="#E8F0EA" shape=inputoutput style=filled]
+		nest1_2 [label="Lighting Design" color="#FFB74D" fillcolor="#FFF3E0" shape=rect style=filled]
+		nest1_3 [label="Space Planning" color="#4FC3F7" fillcolor="#E1F5FE" shape=inputoutput style=filled]
+	}
+	N0 -> N1 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#000000" penwidth=1.5 style=dashed label="spaces" dir=forward]
+	N7 -> N8 [color="#92C79A" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#92C79A" penwidth=1.5 style=dashed label="installs" dir=forward]
+	N9 -> nest0_0 [color="#92C79A" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest1_0 -> nest1_1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest1_1 -> nest1_2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest1_2 -> nest1_3 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	N3 -> nest1_0 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	nest1_3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> S0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N7 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N9 [color="#92C79A" penwidth=1.5 style=solid dir=forward]
+	S0 -> N10 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N8 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	N4 -> S1 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	S1 -> N9 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N7 [color="#92C79A" penwidth=1.5 style=solid dir=forward]
+	S1 -> N10 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M0 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#FFB74D" penwidth=1.5 style=solid label="styles" dir=forward]
+	N2 -> M0 [color="#92C79A" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N5 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+	N2 -> M1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> M1 [color="#4FC3F7" penwidth=1.5 style=solid label="coordinates" dir=forward]
+	N0 -> M1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	M1 -> N4 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+	N1 -> M2 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+	N3 -> M2 [color="#FFB74D" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M2 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	M2 -> N10 [color="#FFB74D" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_327.txt b/test/diagrams/scanned_easy/diagrams_327.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8c6b6cd4e817a6e2569093801f774fb00bb29fbf
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_327.txt
@@ -0,0 +1,36 @@
+<Bedroom Design, connectedTo, Contractor Coordination>
+<Building Code Compliance, connectedTo, Bedroom Design>
+<Building Code Compliance, connectedTo, Color Scheme Selection>
+<Building Code Compliance, connectedTo, Furniture Selection>
+<Building Code Compliance, connectedTo, Textile and Fabric Selection>
+<Client Consultation, connectedTo, Color Scheme Selection>
+<Color Scheme Selection, connectedTo, Bedroom Design>
+<Color Scheme Selection, connectedTo, Kitchen Design>
+<Color Scheme Selection, connectedTo, Living Room Design>
+<Color Scheme Selection, connectedTo, Mood Board Creation>
+<Color Scheme Selection, connectedTo, Site Measurement>
+<Commercial Interior Design, installs, Client Consultation>
+<Concept Development, connectedTo, Bedroom Design>
+<Concept Development, connectedTo, Building Code Compliance>
+<Concept Development, coordinates, Furniture Selection>
+<Concept Development, styles, Color Scheme Selection>
+<Flooring Specification, connectedTo, Concept Development>
+<Flooring Specification, connectedTo, Furniture Selection>
+<Furniture Selection, connectedTo, Bedroom Design>
+<Furniture Selection, connectedTo, Color Scheme Selection>
+<Furniture Selection, connectedTo, Mood Board Creation>
+<Furniture Selection, connectedTo, Site Measurement>
+<Installation Supervision, connectedTo, Lighting Design>
+<Kitchen Design, connectedTo, Site Measurement>
+<Lighting Design, connectedTo, Space Planning>
+<Living Room Design, spaces, Mood Board Creation>
+<Mood Board Creation, connectedTo, Kitchen Design>
+<Project Management, connectedTo, Installation Supervision>
+<Site Measurement, connectedTo, Bedroom Design>
+<Site Measurement, connectedTo, Sustainable Design Practices>
+<Space Planning, connectedTo, Furniture Selection>
+<Sustainable Design Practices, connectedTo, Commercial Interior Design>
+<Textile and Fabric Selection, connectedTo, Bedroom Design>
+<Textile and Fabric Selection, connectedTo, Color Scheme Selection>
+<Textile and Fabric Selection, connectedTo, Furniture Selection>
+<Textile and Fabric Selection, connectedTo, Project Management>
diff --git a/test/diagrams/scanned_easy/diagrams_328.txt b/test/diagrams/scanned_easy/diagrams_328.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1497a9ff5fcbb5da93141e428d766db351e43b1b
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_328.txt
@@ -0,0 +1,32 @@
+<API Integration for Translation Services, updates, Custom Vocabulary Integration>
+<Contextual Understanding, adapts, Medical Translation>
+<Cross_Lingual Communication, connectedTo, Text_to_Speech Synthesis>
+<Custom Vocabulary Integration, connectedTo, Medical Translation>
+<Data Security for Translated Content, connectedTo, Domain_Specific Translation Models>
+<Data Security for Translated Content, connectedTo, Live Event Translation>
+<Data Security for Translated Content, connectedTo, Medical Translation>
+<Data Security for Translated Content, connectedTo, Sentiment Analysis in Translation>
+<Dialect Recognition, connectedTo, Cross_Lingual Communication>
+<Domain_Specific Translation Models, connectedTo, Neural Machine Translation>
+<Glossary Management, connectedTo, Tone Recognition>
+<Live Event Translation, connectedTo, Dialect Recognition>
+<Live Event Translation, connectedTo, Multimodal Translation>
+<Live Event Translation, connectedTo, Wearable Translation Devices>
+<Medical Translation, connectedTo, Real_Time Document Translation>
+<Meeting Translation Systems, connectedTo, Subtitling Generation>
+<Multimodal Translation, connectedTo, Contextual Understanding>
+<Neural Machine Translation, connectedTo, API Integration for Translation Services>
+<Rule_Based Machine Translation, connectedTo, Live Event Translation>
+<Sentiment Analysis in Translation, processes, Rule_Based Machine Translation>
+<Speech Recognition, connectedTo, Contextual Understanding>
+<Speech Recognition, connectedTo, Data Security for Translated Content>
+<Speech Recognition, connectedTo, Glossary Management>
+<Speech Recognition, connectedTo, Live Event Translation>
+<Speech Recognition, connectedTo, Medical Translation>
+<Speech Recognition, connectedTo, Tone Recognition>
+<Subtitling Generation, connectedTo, Medical Translation>
+<Subtitling Generation, connectedTo, Technical Manual Translation>
+<Technical Manual Translation, connectedTo, Speech Recognition>
+<Text_to_Speech Synthesis, connectedTo, Wearable Translation Devices>
+<Tone Recognition, connectedTo, Data Security for Translated Content>
+<Wearable Translation Devices, connectedTo, Multimodal Translation>
diff --git a/test/diagrams/scanned_easy/diagrams_329.dot b/test/diagrams/scanned_easy/diagrams_329.dot
new file mode 100644
index 0000000000000000000000000000000000000000..e79c5c057e22145f9f4f307090eb48a0e735ea92
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_329.dot
@@ -0,0 +1,68 @@
+digraph {
+	rankdir=TB
+	N0 [label="3D Modeling from Drone Data" color="#BCB88A" fillcolor="#F5F5DC" shape=action style=filled]
+	N1 [label="Aerial Photography" color="#BCB88A" fillcolor="#F5F5DC" shape=database style=filled]
+	N2 [label="Propeller Design" color="#BCB88A" fillcolor="#F5F5DC" shape=rectangle style=filled]
+	N3 [label="Collision Avoidance Systems" color="#4FC3F7" fillcolor="#E1F5FE" shape=ellipse style=filled]
+	N4 [label="Thermal Imaging with Drones" color="#F7BEE0" fillcolor="#FAEBF3" shape=inputoutput style=filled]
+	N5 [label="Payload Customization" color="#BCB88A" fillcolor="#F5F5DC" shape=box style=filled]
+	N6 [label="Videography" color="#F7BEE0" fillcolor="#FAEBF3" shape=multipledocuments style=filled]
+	N7 [label="Navigation System" color="#4FC3F7" fillcolor="#E1F5FE" shape=action style=filled]
+	N8 [label="Propulsion System Development" color="#BCB88A" fillcolor="#F5F5DC" shape=vnode_shape style=filled]
+	N9 [label="Geofencing Implementation" color="#4FC3F7" fillcolor="#E1F5FE" shape=predefinedprocess style=filled]
+	N10 [label="Drone Design" color="#F7BEE0" fillcolor="#FAEBF3" shape=diamond style=filled]
+	S0 [label="" color="#4FC3F7" fillcolor="#E1F5FE" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#BCB88A" fillcolor="#F5F5DC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#BCB88A" fillcolor="#F5F5DC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#F7BEE0" fillcolor="#FAEBF3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Search and Rescue Operations {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Search and Rescue Operations"
+		nest0_0 [label="Payload Integration" color="#BCB88A" fillcolor="#F5F5DC" shape=inputoutput style=filled]
+		nest0_1 [label="Mapping and Surveying" color="#4FC3F7" fillcolor="#E1F5FE" shape=database style=filled]
+		nest0_2 [label="Wildlife Tracking" color="#4FC3F7" fillcolor="#E1F5FE" shape=database style=filled]
+	}
+	subgraph cluster_Delivery Services {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Delivery Services"
+		nest1_0 [label="Airspace Management for Drones" color="#4FC3F7" fillcolor="#E1F5FE" shape=inputoutput style=filled]
+		nest1_1 [label="Urban Air Mobility Planning" color="#F7BEE0" fillcolor="#FAEBF3" shape=inputoutput style=filled]
+		nest1_2 [label="Flight Planning Software" color="#4FC3F7" fillcolor="#E1F5FE" shape=preparation style=filled]
+		nest1_3 [label="Environmental Monitoring" color="#4FC3F7" fillcolor="#E1F5FE" shape=parallelogram style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#BCB88A" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#BCB88A" penwidth=1.5 style=dashed label="educates" dir=forward]
+	N8 -> N9 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#BCB88A" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> nest0_0 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N6 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+	nest1_0 -> nest1_1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest1_1 -> nest1_2 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	nest1_2 -> nest1_3 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	N3 -> nest1_0 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	nest1_3 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N0 -> S0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N3 [color="#BCB88A" penwidth=1.5 style=solid dir=forward]
+	S0 -> N8 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+	S0 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N5 -> S1 [color="#4FC3F7" penwidth=1.5 style=solid dir=forward]
+	S1 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N10 [color="#F7BEE0" penwidth=1.5 style=solid dir=forward]
+	N0 -> M0 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	M0 -> N5 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	N4 -> M1 [color="#F7BEE0" penwidth=1.5 style=dashed dir=forward]
+	N5 -> M1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M1 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N9 [color="#4FC3F7" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_33.dot b/test/diagrams/scanned_easy/diagrams_33.dot
new file mode 100644
index 0000000000000000000000000000000000000000..dcef3e5531e49191e617ff99266f0a2daa85a205
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_33.dot
@@ -0,0 +1,24 @@
+digraph {
+	rankdir=LR
+	N0 [label="Leadership Training" color="#00BCD4" fillcolor="#E0F7FA" shape=diamond style=filled]
+	N1 [label="Candidate Sourcing" color="#00BCD4" fillcolor="#E0F7FA" shape=vnode_shape style=filled]
+	N2 [label="Team Building Activities" color="#00BCD4" fillcolor="#E0F7FA" shape=diamond style=filled]
+	N3 [label="Workforce Planning" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	N4 [label="Employee Recognition Programs" color="#DCE775" fillcolor="#FCFCE7" shape=parallelogram style=filled]
+	N5 [label="Diversity and Inclusion Initiatives" color="#DCE775" fillcolor="#FCFCE7" shape=box style=filled]
+	N6 [label="Succession Planning" color="#90A4AE" fillcolor="#ECEFF1" shape=parallelogram style=filled]
+	N7 [label="Work_Life Balance Initiatives" color="#DCE775" fillcolor="#FCFCE7" shape=ellipse style=filled]
+	N8 [label="Skill Development Programs" color="#90A4AE" fillcolor="#ECEFF1" shape=document style=filled]
+	N9 [label="Exit Interviews" color="#90A4AE" fillcolor="#ECEFF1" shape=hexagon style=filled]
+	N0 -> N1 [color="#00BCD4" penwidth=1.5 style=solid label="supports" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="predicts" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#DCE775" penwidth=1.5 style=dashed label="coaches" dir=forward]
+	N6 -> N7 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#DCE775" penwidth=1.5 style=solid label="analyzes" dir=forward]
+	N2 -> N8 [color="#DCE775" penwidth=1.5 style=solid label="protects" dir=forward]
+	N5 -> N3 [color="#00BCD4" penwidth=1.5 style=solid label="motivates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_33.txt b/test/diagrams/scanned_easy/diagrams_33.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ba92119a8c494ead71052c0013d09acac2bf13d1
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_33.txt
@@ -0,0 +1,11 @@
+<Candidate Sourcing, predicts, Team Building Activities>
+<Diversity and Inclusion Initiatives, coaches, Succession Planning>
+<Diversity and Inclusion Initiatives, motivates, Workforce Planning>
+<Employee Recognition Programs, connectedTo, Diversity and Inclusion Initiatives>
+<Leadership Training, supports, Candidate Sourcing>
+<Skill Development Programs, analyzes, Exit Interviews>
+<Succession Planning, connectedTo, Work_Life Balance Initiatives>
+<Team Building Activities, connectedTo, Workforce Planning>
+<Team Building Activities, protects, Skill Development Programs>
+<Work_Life Balance Initiatives, connectedTo, Skill Development Programs>
+<Workforce Planning, connectedTo, Employee Recognition Programs>
diff --git a/test/diagrams/scanned_easy/diagrams_330.dot b/test/diagrams/scanned_easy/diagrams_330.dot
new file mode 100644
index 0000000000000000000000000000000000000000..3df5539447e8d927de6c8bb56c367a1e5140cdab
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_330.dot
@@ -0,0 +1,69 @@
+digraph {
+	rankdir=BT
+	N0 [label="Lane Keeping Assist" color="#E0E0E0" fillcolor="#EBEBEB" shape=ellipse style=filled]
+	N1 [label="Path Planning" color="#E91E63" fillcolor="#F8BBD0" shape=box style=filled]
+	N2 [label="Map Data Management" color="#E0E0E0" fillcolor="#EBEBEB" shape=multipledocuments style=filled]
+	N3 [label="Software Development" color="#A1887F" fillcolor="#EFEBE9" shape=database style=filled]
+	N4 [label="Vehicle Diagnostics" color="#E0E0E0" fillcolor="#EBEBEB" shape=database style=filled]
+	N5 [label="Regulatory Compliance" color="#A1887F" fillcolor="#EFEBE9" shape=document style=filled]
+	N6 [label="Vehicle_to_Infrastructure Communication" color="#E0E0E0" fillcolor="#EBEBEB" shape=rectangle style=filled]
+	N7 [label="Decision_Making Algorithms" color="#A1887F" fillcolor="#EFEBE9" shape=preparation style=filled]
+	N8 [label="Predictive Maintenance" color="#E0E0E0" fillcolor="#EBEBEB" shape=database style=filled]
+	N9 [label="Traffic Sign Recognition" color="#E91E63" fillcolor="#F8BBD0" shape=hexagon style=filled]
+	N10 [label="Vehicle_to_Vehicle Communication" color="#E91E63" fillcolor="#F8BBD0" shape=inputoutput style=filled]
+	S0 [label="" color="#E0E0E0" fillcolor="#EBEBEB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#E91E63" fillcolor="#F8BBD0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#E0E0E0" fillcolor="#EBEBEB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#E91E63" fillcolor="#F8BBD0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#E0E0E0" fillcolor="#EBEBEB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Hardware Design {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Hardware Design"
+		nest0_0 [label="Cybersecurity for AVs" color="#E0E0E0" fillcolor="#EBEBEB" shape=ellipse style=filled]
+		nest0_1 [label="Data Collection and Annotation" color="#E91E63" fillcolor="#F8BBD0" shape=preparation style=filled]
+		nest0_2 [label="Motion Control" color="#A1887F" fillcolor="#EFEBE9" shape=inputoutput style=filled]
+	}
+	subgraph cluster_Charging Infrastructure {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Charging Infrastructure"
+		nest1_0 [label="Fail_Safe Systems" color="#E0E0E0" fillcolor="#EBEBEB" shape=ellipse style=filled]
+		nest1_1 [label="Parking Assistance Systems" color="#A1887F" fillcolor="#EFEBE9" shape=ellipse style=filled]
+		nest1_2 [label="Driver Monitoring Systems" color="#E91E63" fillcolor="#F8BBD0" shape=parallelogram style=filled]
+	}
+	N0 -> N1 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#E0E0E0" penwidth=1.5 style=dashed label="drives" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#A1887F" penwidth=1.5 style=solid label="transports" dir=forward]
+	N9 -> nest0_0 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> N3 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	nest1_0 -> nest1_1 [color="#E91E63" penwidth=1.5 style=dashed dir=forward]
+	nest1_1 -> nest1_2 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	N3 -> nest1_0 [color="#000000" penwidth=1.5 style=dashed label="informs" dir=forward]
+	nest1_2 -> N3 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	N1 -> S0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N9 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N7 [color="#E91E63" penwidth=1.5 style=solid dir=forward]
+	S0 -> N6 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	N1 -> S1 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N10 [color="#A1887F" penwidth=1.5 style=solid label="validates" dir=forward]
+	S1 -> N9 [color="#A1887F" penwidth=1.5 style=solid label="diagnoses" dir=forward]
+	N1 -> S2 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	S2 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N3 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M0 [color="#E91E63" penwidth=1.5 style=solid label="localizes" dir=forward]
+	N1 -> M0 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	M0 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> M1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> M1 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	M1 -> N10 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_330.txt b/test/diagrams/scanned_easy/diagrams_330.txt
new file mode 100644
index 0000000000000000000000000000000000000000..23676e3e1928facb049f966e69e2f4bf054a4270
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_330.txt
@@ -0,0 +1,29 @@
+<Cybersecurity for AVs, connectedTo, Data Collection and Annotation>
+<Data Collection and Annotation, transports, Motion Control>
+<Decision_Making Algorithms, connectedTo, Predictive Maintenance>
+<Driver Monitoring Systems, connectedTo, Software Development>
+<Fail_Safe Systems, connectedTo, Parking Assistance Systems>
+<Lane Keeping Assist, connectedTo, Path Planning>
+<Map Data Management, connectedTo, Software Development>
+<Map Data Management, connectedTo, Vehicle_to_Vehicle Communication>
+<Map Data Management, localizes, Vehicle Diagnostics>
+<Motion Control, connectedTo, Software Development>
+<Parking Assistance Systems, connectedTo, Driver Monitoring Systems>
+<Path Planning, connectedTo, Decision_Making Algorithms>
+<Path Planning, connectedTo, Map Data Management>
+<Path Planning, connectedTo, Predictive Maintenance>
+<Path Planning, connectedTo, Software Development>
+<Path Planning, connectedTo, Traffic Sign Recognition>
+<Path Planning, connectedTo, Vehicle Diagnostics>
+<Path Planning, connectedTo, Vehicle_to_Infrastructure Communication>
+<Path Planning, diagnoses, Traffic Sign Recognition>
+<Path Planning, validates, Vehicle_to_Vehicle Communication>
+<Predictive Maintenance, connectedTo, Vehicle_to_Vehicle Communication>
+<Predictive Maintenance, drives, Traffic Sign Recognition>
+<Regulatory Compliance, connectedTo, Vehicle_to_Infrastructure Communication>
+<Software Development, connectedTo, Vehicle Diagnostics>
+<Software Development, informs, Fail_Safe Systems>
+<Traffic Sign Recognition, connectedTo, Cybersecurity for AVs>
+<Traffic Sign Recognition, connectedTo, Vehicle_to_Vehicle Communication>
+<Vehicle Diagnostics, connectedTo, Regulatory Compliance>
+<Vehicle_to_Infrastructure Communication, connectedTo, Decision_Making Algorithms>
diff --git a/test/diagrams/scanned_easy/diagrams_331.txt b/test/diagrams/scanned_easy/diagrams_331.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f7aa10f49ee8089923e099126672e981a8d91537
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_331.txt
@@ -0,0 +1,40 @@
+<Accessibility for Users, connectedTo, Customer Support>
+<Accessibility for Users, connectedTo, Demand Prediction>
+<Bike_sharing Services, connectedTo, Demand Prediction>
+<Charging or Refueling Logistics, connectedTo, Smart City Integration>
+<Customer Support, connectedTo, Supply_Demand Balancing>
+<Data Analytics for Usage Patterns, connectedTo, Parking Integration>
+<Demand Prediction, connectedTo, Scooter_sharing Services>
+<Driver Management, connectedTo, Charging or Refueling Logistics>
+<Driver Management, connectedTo, Public Transit Integration>
+<Driver Management, connectedTo, Smart City Integration>
+<Dynamic Pricing, connectedTo, Demand Prediction>
+<Dynamic Pricing, connectedTo, User Onboarding>
+<Dynamic Pricing, connectedTo, Vehicle Location Tracking>
+<First_Mile or Last_Mile Solutions, connectedTo, User Rating and Feedback Systems>
+<Fraud Prevention, connectedTo, Driver Management>
+<Geofencing for Operations, locates, Supply_Demand Balancing>
+<Micro_mobility Management, connectedTo, First_Mile or Last_Mile Solutions>
+<Parking Integration, connectedTo, Supply_Demand Balancing>
+<Platform Development, optimizes, Micro_mobility Management>
+<Regulatory Compliance, connectedTo, Fraud Prevention>
+<Regulatory Compliance, connectedTo, Ride_sharing Services>
+<Ride_sharing Services, connectedTo, Data Analytics for Usage Patterns>
+<Route Optimization, connectedTo, Demand Prediction>
+<Route Optimization, connectedTo, Dynamic Pricing>
+<Scooter_sharing Services, connectedTo, Fraud Prevention>
+<Scooter_sharing Services, connectedTo, Public Transit Integration>
+<Scooter_sharing Services, connectedTo, Ticketing and Fare Collection>
+<Scooter_sharing Services, connectedTo, User Rating and Feedback Systems>
+<Scooter_sharing Services, insures, Micro_mobility Management>
+<Smart City Integration, connectedTo, Public Transit Integration>
+<Supply_Demand Balancing, connectedTo, Bike_sharing Services>
+<Ticketing and Fare Collection, connectedTo, Platform Development>
+<User Onboarding, connectedTo, Geofencing for Operations>
+<User Rating and Feedback Systems, connectedTo, Regulatory Compliance>
+<Vehicle Location Tracking, connectedTo, Accessibility for Users>
+<Vehicle Location Tracking, connectedTo, Demand Prediction>
+<Vehicle Location Tracking, connectedTo, First_Mile or Last_Mile Solutions>
+<Vehicle Location Tracking, connectedTo, Smart City Integration>
+<Vehicle Location Tracking, regulates, Demand Prediction>
+<Vehicle Location Tracking, unlocks, Platform Development>
diff --git a/test/diagrams/scanned_easy/diagrams_332.txt b/test/diagrams/scanned_easy/diagrams_332.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a21af097d8059936ba8eb4e4b6f529ea7c899588
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_332.txt
@@ -0,0 +1,36 @@
+<Automated Parking Garages, connectedTo, Dynamic Pricing>
+<Automated Parking Garages, connectedTo, Electric Vehicle Charging Integration>
+<Automated Parking Garages, connectedTo, Event Parking Management>
+<Automated Parking Garages, connectedTo, Maintenance of Systems>
+<Automated Parking Garages, connectedTo, Vacancy Monitoring>
+<Billing and Reconciliation, connectedTo, Security Surveillance>
+<Cloud_based Parking Platforms, alerts, Navigation to Open Space>
+<Cloud_based Parking Platforms, connectedTo, Maintenance of Systems>
+<Cloud_based Parking Platforms, connectedTo, Parking Guidance Systems>
+<Cloud_based Parking Platforms, connectedTo, Real_Time Information Display>
+<Data Analytics for Parking Usage, connectedTo, Real_Time Information Display>
+<Dynamic Pricing, connectedTo, Vacancy Monitoring>
+<Edge Computing for Parking Data, automates, Fleet Parking Solutions>
+<Edge Computing for Parking Data, connectedTo, Dynamic Pricing>
+<Edge Computing for Parking Data, connectedTo, Parking Guidance Systems>
+<Electric Vehicle Charging Integration, connectedTo, Cloud_based Parking Platforms>
+<Electric Vehicle Charging Integration, connectedTo, Dynamic Pricing>
+<Emergency Vehicle Access Management, connectedTo, Automated Parking Garages>
+<Emergency Vehicle Access Management, informs, Dynamic Pricing>
+<Environmental Impact Monitoring, tracks, Reservations System>
+<Event Parking Management, connectedTo, Navigation to Open Space>
+<Event Parking Management, connectedTo, Off_Street Parking Management>
+<Fleet Parking Solutions, develops, Navigation to Open Space>
+<Maintenance of Systems, connectedTo, Billing and Reconciliation>
+<Maintenance of Systems, connectedTo, Dynamic Pricing>
+<Maintenance of Systems, connectedTo, Edge Computing for Parking Data>
+<Mobile Parking Apps, connectedTo, Event Parking Management>
+<Navigation to Open Space, repairs, Parking Guidance Systems>
+<Off_Street Parking Management, connectedTo, Fleet Parking Solutions>
+<Off_Street Parking Management, connectedTo, Navigation to Open Space>
+<Parking Guidance Systems, connectedTo, User Experience Design for Apps>
+<Reservations System, connectedTo, Electric Vehicle Charging Integration>
+<Security Surveillance, connectedTo, Data Analytics for Parking Usage>
+<User Experience Design for Apps, connectedTo, Environmental Impact Monitoring>
+<User Experience Design for Apps, connectedTo, Real_Time Information Display>
+<Vacancy Monitoring, connectedTo, Mobile Parking Apps>
diff --git a/test/diagrams/scanned_easy/diagrams_333.txt b/test/diagrams/scanned_easy/diagrams_333.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a3e801f8e5636aede47aabb64bca5195751af39e
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_333.txt
@@ -0,0 +1,34 @@
+<Access Control, connectedTo, Airline Ticketing>
+<Access Control, connectedTo, Fan Loyalty Programs>
+<Access Control, connectedTo, Queue Management>
+<Access Control, connectedTo, Subscription or Season Pass Management>
+<Access Control, designs, Seat Mapping>
+<Airline Ticketing, complies, Ticket Sales>
+<Audience Segmentation, automates, Blockchain Ticketing for Authenticity>
+<Blockchain Ticketing for Authenticity, connectedTo, Subscription or Season Pass Management>
+<Concert Ticketing, connectedTo, Post_Event Feedback Collection>
+<Fan Loyalty Programs, connectedTo, Theme Park Ticketing>
+<Fraud Prevention, supports, Ticket Sales>
+<Museum Ticketing, connectedTo, Queue Management>
+<Museum Ticketing, connectedTo, Venue Capacity Management>
+<Museum Ticketing, publishes, Subscription or Season Pass Management>
+<Payment Processing, connectedTo, Concert Ticketing>
+<Post_Event Feedback Collection, connectedTo, Airline Ticketing>
+<Promotional Code Management, connectedTo, Audience Segmentation>
+<Queue Management, connectedTo, Audience Segmentation>
+<Queue Management, connectedTo, Payment Processing>
+<Queue Management, connectedTo, Scalper Prevention>
+<Queue Management, connectedTo, Seat Mapping>
+<Queue Management, connectedTo, Subscription or Season Pass Management>
+<Scalper Prevention, connectedTo, Airline Ticketing>
+<Scalper Prevention, connectedTo, Subscription or Season Pass Management>
+<Seat Mapping, connectedTo, Customer Relationship Management Integration>
+<Sports Event Ticketing, sells, Fraud Prevention>
+<Subscription or Season Pass Management, connectedTo, Seat Mapping>
+<Theme Park Ticketing, connectedTo, Sports Event Ticketing>
+<Ticket Sales, connectedTo, Promotional Code Management>
+<Ticket Sales, maintains, Subscription or Season Pass Management>
+<Venue Capacity Management, connectedTo, Access Control>
+<Venue Capacity Management, connectedTo, Audience Segmentation>
+<Venue Capacity Management, connectedTo, Queue Management>
+<Venue Capacity Management, connectedTo, Subscription or Season Pass Management>
diff --git a/test/diagrams/scanned_easy/diagrams_334.dot b/test/diagrams/scanned_easy/diagrams_334.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c61caa69cd3590851394c25909ee6da7bbe54b8d
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_334.dot
@@ -0,0 +1,60 @@
+digraph {
+	rankdir=TB
+	N0 [label="Accessibility Features" color="#A188D0" fillcolor="#DACBE3" shape=document style=filled]
+	N1 [label="Anonymous Credential Systems" color="#A188D0" fillcolor="#DACBE3" shape=multipledocuments style=filled]
+	N2 [label="Voter Registration" color="#A188D0" fillcolor="#DACBE3" shape=inputoutput style=filled]
+	N3 [label="Undue Influence Prevention" color="#795548" fillcolor="#D7CCC8" shape=hexagon style=filled]
+	N4 [label="Hardware Tamper Detection" color="#795548" fillcolor="#D7CCC8" shape=database style=filled]
+	N5 [label="Optical Scan Systems" color="#A188D0" fillcolor="#DACBE3" shape=predefinedprocess style=filled]
+	N6 [label="Remote Voting Solutions" color="#795548" fillcolor="#D7CCC8" shape=rect style=filled]
+	N7 [label="System Certification" color="#A188D0" fillcolor="#DACBE3" shape=parallelogram style=filled]
+	N8 [label="Transparency" color="#FFA726" fillcolor="#FFF3E0" shape=database style=filled]
+	N9 [label="Biometric Voter ID" color="#FFA726" fillcolor="#FFF3E0" shape=multipledocuments style=filled]
+	N10 [label="Threat Modeling" color="#FFA726" fillcolor="#FFF3E0" shape=predefinedprocess style=filled]
+	S0 [label="" color="#A188D0" fillcolor="#DACBE3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#795548" fillcolor="#D7CCC8" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#795548" fillcolor="#D7CCC8" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Direct Recording Electronic Systems {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Direct Recording Electronic Systems"
+		nest0_0 [label="Risk Management for Elections" color="#FFA726" fillcolor="#FFF3E0" shape=ellipse style=filled]
+		nest0_1 [label="Vote Counting" color="#A188D0" fillcolor="#DACBE3" shape=action style=filled]
+		nest0_2 [label="Voting Machine Design" color="#A188D0" fillcolor="#DACBE3" shape=parallelogram style=filled]
+		nest0_3 [label="Voter Authentication" color="#FFA726" fillcolor="#FFF3E0" shape=predefinedprocess style=filled]
+	}
+	subgraph cluster_Secure Data Transmission {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Secure Data Transmission"
+		nest1_0 [label="Online Voting Systems" color="#795548" fillcolor="#D7CCC8" shape=parallelogram style=filled]
+		nest1_1 [label="Ballot Creation" color="#795548" fillcolor="#D7CCC8" shape=box style=filled]
+	}
+	N0 -> N1 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFA726" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFA726" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="alerts" dir=forward]
+	N6 -> N7 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> nest0_3 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	N6 -> nest0_0 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N1 [color="#795548" penwidth=1.5 style=solid dir=forward]
+	nest1_0 -> nest1_1 [color="#FFA726" penwidth=1.5 style=solid label="reports" dir=forward]
+	N9 -> nest1_0 [color="#FFA726" penwidth=1.5 style=dashed dir=forward]
+	nest1_1 -> N3 [color="#795548" penwidth=1.5 style=dashed dir=forward]
+	N2 -> S0 [color="#795548" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N10 [color="#000000" penwidth=1.5 style=solid label="displays" dir=forward]
+	S0 -> N4 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	N0 -> S1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N2 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N6 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	N3 -> M0 [color="#795548" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N5 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_335.dot b/test/diagrams/scanned_easy/diagrams_335.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cc2580cf514465126c8a0ccbee81f2e97c103bb9
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_335.dot
@@ -0,0 +1,72 @@
+digraph {
+	rankdir=TB
+	N0 [label="Advocacy Strategy" color="#B8C0F5" fillcolor="#ECF0FD" shape=rect style=filled]
+	N1 [label="Policy Evaluation" color="#FBC02D" fillcolor="#FFFDE7" shape=preparation style=filled]
+	N2 [label="Recommendation Formulation" color="#B8C0F5" fillcolor="#ECF0FD" shape=multipledocuments style=filled]
+	N3 [label="Legal Review" color="#EAEFA5" fillcolor="#FDFCEB" shape=action style=filled]
+	N4 [label="Policy Brief Writing" color="#FBC02D" fillcolor="#FFFDE7" shape=preparation style=filled]
+	N5 [label="Policy Simulation Models" color="#FBC02D" fillcolor="#FFFDE7" shape=vnode_shape style=filled]
+	N6 [label="Policy Advocacy and Lobbying" color="#FBC02D" fillcolor="#FFFDE7" shape=predefinedprocess style=filled]
+	N7 [label="Presentation Skills" color="#EAEFA5" fillcolor="#FDFCEB" shape=vnode_shape style=filled]
+	N8 [label="International Policy Analysis" color="#EAEFA5" fillcolor="#FDFCEB" shape=rect style=filled]
+	N9 [label="Public Consultation Process" color="#FBC02D" fillcolor="#FFFDE7" shape=box style=filled]
+	N10 [label="Impact Assessment" color="#FBC02D" fillcolor="#FFFDE7" shape=parallelogram style=filled]
+	N11 [label="Report Drafting" color="#FBC02D" fillcolor="#FFFDE7" shape=rect style=filled]
+	N12 [label="Communication Strategy" color="#FBC02D" fillcolor="#FFFDE7" shape=multipledocuments style=filled]
+	N13 [label="Comparative Policy Analysis" color="#EAEFA5" fillcolor="#FDFCEB" shape=box style=filled]
+	N14 [label="Stakeholder Analysis" color="#FBC02D" fillcolor="#FFFDE7" shape=parallelogram style=filled]
+	N15 [label="Feasibility Study" color="#FBC02D" fillcolor="#FFFDE7" shape=action style=filled]
+	N16 [label="Quantitative Analysis" color="#FBC02D" fillcolor="#FFFDE7" shape=diamond style=filled]
+	S0 [label="" color="#B8C0F5" fillcolor="#ECF0FD" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#B8C0F5" fillcolor="#ECF0FD" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FBC02D" fillcolor="#FFFDE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Program Design {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Program Design"
+		nest0_0 [label="Data Visualization for Policy" color="#EAEFA5" fillcolor="#FDFCEB" shape=rect style=filled]
+		nest0_1 [label="Criteria Establishment" color="#EAEFA5" fillcolor="#FDFCEB" shape=rectangle style=filled]
+	}
+	subgraph cluster_Regulatory Impact Assessment {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Regulatory Impact Assessment"
+		nest1_0 [label="Cost_Benefit Analysis" color="#EAEFA5" fillcolor="#FDFCEB" shape=preparation style=filled]
+		nest1_1 [label="Behavioral Economics in Policy" color="#EAEFA5" fillcolor="#FDFCEB" shape=ellipse style=filled]
+		nest1_2 [label="Risk Assessment" color="#EAEFA5" fillcolor="#FDFCEB" shape=preparation style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FBC02D" penwidth=1.5 style=solid label="solutions" dir=forward]
+	N2 -> N3 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	N11 -> N12 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N12 -> N13 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	N13 -> N14 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N14 -> N15 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	N15 -> N16 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> nest0_0 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N13 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	nest1_0 -> nest1_1 [color="#FBC02D" penwidth=1.5 style=solid dir=forward]
+	nest1_1 -> nest1_2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N10 -> nest1_0 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+	nest1_2 -> N12 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> S0 [color="#EAEFA5" penwidth=1.5 style=solid dir=forward]
+	S0 -> N12 [color="#FBC02D" penwidth=1.5 style=solid label="audits" dir=forward]
+	S0 -> N13 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N11 [color="#EAEFA5" penwidth=1.5 style=dashed dir=forward]
+	N4 -> S1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N11 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S1 -> N8 [color="#B8C0F5" penwidth=1.5 style=solid dir=forward]
+	N1 -> M0 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	M0 -> N3 [color="#FBC02D" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_335.txt b/test/diagrams/scanned_easy/diagrams_335.txt
new file mode 100644
index 0000000000000000000000000000000000000000..34b60814073f02928e41c59376ee65723dd0f05a
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_335.txt
@@ -0,0 +1,31 @@
+<Advocacy Strategy, connectedTo, Legal Review>
+<Advocacy Strategy, connectedTo, Policy Evaluation>
+<Behavioral Economics in Policy, connectedTo, Risk Assessment>
+<Communication Strategy, connectedTo, Comparative Policy Analysis>
+<Comparative Policy Analysis, connectedTo, Stakeholder Analysis>
+<Cost_Benefit Analysis, connectedTo, Behavioral Economics in Policy>
+<Criteria Establishment, connectedTo, Comparative Policy Analysis>
+<Data Visualization for Policy, connectedTo, Criteria Establishment>
+<Feasibility Study, connectedTo, Quantitative Analysis>
+<Impact Assessment, connectedTo, Cost_Benefit Analysis>
+<Impact Assessment, connectedTo, Report Drafting>
+<International Policy Analysis, connectedTo, Public Consultation Process>
+<Legal Review, connectedTo, Policy Brief Writing>
+<Policy Advocacy and Lobbying, connectedTo, Presentation Skills>
+<Policy Brief Writing, connectedTo, International Policy Analysis>
+<Policy Brief Writing, connectedTo, Policy Simulation Models>
+<Policy Brief Writing, connectedTo, Presentation Skills>
+<Policy Brief Writing, connectedTo, Report Drafting>
+<Policy Evaluation, connectedTo, Legal Review>
+<Policy Evaluation, solutions, Recommendation Formulation>
+<Policy Simulation Models, connectedTo, Data Visualization for Policy>
+<Policy Simulation Models, connectedTo, Policy Advocacy and Lobbying>
+<Presentation Skills, connectedTo, International Policy Analysis>
+<Public Consultation Process, audits, Communication Strategy>
+<Public Consultation Process, connectedTo, Comparative Policy Analysis>
+<Public Consultation Process, connectedTo, Impact Assessment>
+<Public Consultation Process, connectedTo, Report Drafting>
+<Recommendation Formulation, connectedTo, Legal Review>
+<Report Drafting, connectedTo, Communication Strategy>
+<Risk Assessment, connectedTo, Communication Strategy>
+<Stakeholder Analysis, connectedTo, Feasibility Study>
diff --git a/test/diagrams/scanned_easy/diagrams_337.dot b/test/diagrams/scanned_easy/diagrams_337.dot
new file mode 100644
index 0000000000000000000000000000000000000000..264f84b71cc363e4b3c38ab9c2fab919a508611e
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_337.dot
@@ -0,0 +1,71 @@
+digraph {
+	rankdir=RL
+	N0 [label="User Training on Systems" color="#D3EB9F" fillcolor="#F8FDD3" shape=document style=filled]
+	N1 [label="Serials Control" color="#D3EB9F" fillcolor="#F8FDD3" shape=hexagon style=filled]
+	N2 [label="Technical Support for Systems" color="#6FE1D5" fillcolor="#C9EFEC" shape=box style=filled]
+	N3 [label="Collection Development" color="#D3EB9F" fillcolor="#F8FDD3" shape=inputoutput style=filled]
+	N4 [label="Mobile App for Library" color="#D3EB9F" fillcolor="#F8FDD3" shape=action style=filled]
+	N5 [label="Circulation Management" color="#D3EB9F" fillcolor="#F8FDD3" shape=parallelogram style=filled]
+	N6 [label="AI in Library Services" color="#6FE1D5" fillcolor="#C9EFEC" shape=preparation style=filled]
+	N7 [label="Library Website Management" color="#D3EB9F" fillcolor="#F8FDD3" shape=vnode_shape style=filled]
+	N8 [label="Reference Desk Support" color="#6FE1D5" fillcolor="#C9EFEC" shape=parallelogram style=filled]
+	N9 [label="Open Access Repository Management" color="#FFEB3B" fillcolor="#FFF9C4" shape=rect style=filled]
+	N10 [label="Patron Services" color="#FFEB3B" fillcolor="#FFF9C4" shape=rectangle style=filled]
+	N11 [label="Federated Search" color="#6FE1D5" fillcolor="#C9EFEC" shape=document style=filled]
+	N12 [label="Database Management" color="#6FE1D5" fillcolor="#C9EFEC" shape=parallelogram style=filled]
+	N13 [label="Search Functionality" color="#FFEB3B" fillcolor="#FFF9C4" shape=rectangle style=filled]
+	N14 [label="Archival Integration" color="#FFEB3B" fillcolor="#FFF9C4" shape=action style=filled]
+	N15 [label="Authority Control" color="#FFEB3B" fillcolor="#FFF9C4" shape=predefinedprocess style=filled]
+	N16 [label="Integrated Library Systems" color="#FFEB3B" fillcolor="#FFF9C4" shape=inputoutput style=filled]
+	S0 [label="" color="#D3EB9F" fillcolor="#F8FDD3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#D3EB9F" fillcolor="#F8FDD3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_System Security {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="System Security"
+		nest0_0 [label="Personalized Recommendations" color="#FFEB3B" fillcolor="#FFF9C4" shape=parallelogram style=filled]
+		nest0_1 [label="Data Migration" color="#FFEB3B" fillcolor="#FFF9C4" shape=box style=filled]
+	}
+	subgraph cluster_Online Public Access Catalog {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Online Public Access Catalog"
+		nest1_0 [label="Electronic Resource Management" color="#6FE1D5" fillcolor="#C9EFEC" shape=vnode_shape style=filled]
+		nest1_1 [label="RFID System Implementation" color="#D3EB9F" fillcolor="#F8FDD3" shape=parallelogram style=filled]
+		nest1_2 [label="Automated Materials Handling" color="#D3EB9F" fillcolor="#F8FDD3" shape=multipledocuments style=filled]
+		nest1_3 [label="Interlibrary Loan" color="#6FE1D5" fillcolor="#C9EFEC" shape=document style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFEB3B" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#6FE1D5" penwidth=1.5 style=solid label="trains" dir=forward]
+	N7 -> N8 [color="#D3EB9F" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+	N11 -> N12 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N12 -> N13 [color="#D3EB9F" penwidth=1.5 style=solid label="circulates" dir=forward]
+	N13 -> N14 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	N14 -> N15 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+	N15 -> N16 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N13 -> nest0_0 [color="#FFEB3B" penwidth=1.5 style=solid label="borrows" dir=forward]
+	nest0_1 -> N12 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	nest1_0 -> nest1_1 [color="#000000" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+	nest1_1 -> nest1_2 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	nest1_2 -> nest1_3 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N9 -> nest1_0 [color="#FFEB3B" penwidth=1.5 style=dashed dir=forward]
+	nest1_3 -> N3 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N12 -> S0 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	S0 -> N16 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N15 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> M1 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M1 [color="#D3EB9F" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M1 [color="#6FE1D5" penwidth=1.5 style=solid dir=forward]
+	M1 -> N4 [color="#6FE1D5" penwidth=1.5 style=dashed dir=forward]
+	N16 -> nest1_3 [color="#FFEB3B" penwidth=1.5 style=solid dir=forward]
+	N9 -> N13 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_339.dot b/test/diagrams/scanned_easy/diagrams_339.dot
new file mode 100644
index 0000000000000000000000000000000000000000..95524391a9f75cc429c2dbe2b339ac07723d2b56
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_339.dot
@@ -0,0 +1,82 @@
+digraph {
+	rankdir=RL
+	N0 [label="User Experience Design" color="#E0E0E0" fillcolor="#EBEBEB" shape=rect style=filled]
+	N1 [label="Soundscape Design" color="#00BCD4" fillcolor="#E0F7FA" shape=database style=filled]
+	N2 [label="Educational Technology Integration" color="#E0E0E0" fillcolor="#EBEBEB" shape=database style=filled]
+	N3 [label="Interactive Kiosks" color="#E0E0E0" fillcolor="#EBEBEB" shape=rectangle style=filled]
+	N4 [label="Ticketing and Visitor Systems" color="#E0E0E0" fillcolor="#EBEBEB" shape=diamond style=filled]
+	N5 [label="Digital Archiving" color="#E0E0E0" fillcolor="#EBEBEB" shape=database style=filled]
+	N6 [label="RFID for Object Tracking" color="#E0E0E0" fillcolor="#EBEBEB" shape=multipledocuments style=filled]
+	N7 [label="Robotics in Exhibits" color="#E0E0E0" fillcolor="#EBEBEB" shape=inputoutput style=filled]
+	N8 [label="Accessibility Technology for Visitors" color="#E0E0E0" fillcolor="#EBEBEB" shape=parallelogram style=filled]
+	N9 [label="Visitor Flow Analysis" color="#E0E0E0" fillcolor="#EBEBEB" shape=vnode_shape style=filled]
+	N10 [label="Crowdsourcing for Collections" color="#E0E0E0" fillcolor="#EBEBEB" shape=database style=filled]
+	N11 [label="Member Management Systems" color="#E0E0E0" fillcolor="#EBEBEB" shape=document style=filled]
+	N12 [label="Fundraising Technology" color="#00BCD4" fillcolor="#E0F7FA" shape=diamond style=filled]
+	N13 [label="Mobile App Development" color="#CB9BE1" fillcolor="#F2E6F5" shape=box style=filled]
+	N14 [label="Online Shop Integration" color="#00BCD4" fillcolor="#E0F7FA" shape=action style=filled]
+	N15 [label="Visitor Analytics" color="#CB9BE1" fillcolor="#F2E6F5" shape=rect style=filled]
+	N16 [label="Multisensory Exhibits" color="#00BCD4" fillcolor="#E0F7FA" shape=multipledocuments style=filled]
+	S0 [label="" color="#E0E0E0" fillcolor="#EBEBEB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#E0E0E0" fillcolor="#EBEBEB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#00BCD4" fillcolor="#E0F7FA" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#CB9BE1" fillcolor="#F2E6F5" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#E0E0E0" fillcolor="#EBEBEB" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Security Systems Integration {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Security Systems Integration"
+		nest0_0 [label="Virtual Tours" color="#00BCD4" fillcolor="#E0F7FA" shape=database style=filled]
+		nest0_1 [label="Environmental Control Systems" color="#CB9BE1" fillcolor="#F2E6F5" shape=hexagon style=filled]
+		nest0_2 [label="Augmented Reality Experiences" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	}
+	subgraph cluster_Exhibition Design {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Exhibition Design"
+		nest1_0 [label="Database Management" color="#E0E0E0" fillcolor="#EBEBEB" shape=diamond style=filled]
+		nest1_1 [label="Cybersecurity for Museum Data" color="#CB9BE1" fillcolor="#F2E6F5" shape=predefinedprocess style=filled]
+		nest1_2 [label="Digital Preservation Strategies" color="#CB9BE1" fillcolor="#F2E6F5" shape=vnode_shape style=filled]
+		nest1_3 [label="3D Printing for Replicas" color="#CB9BE1" fillcolor="#F2E6F5" shape=parallelogram style=filled]
+	}
+	N0 -> N1 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	N11 -> N12 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N12 -> N13 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	N13 -> N14 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N14 -> N15 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N15 -> N16 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=dashed label="complies" dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N12 -> nest0_0 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N13 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	nest1_0 -> nest1_1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest1_1 -> nest1_2 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	nest1_2 -> nest1_3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> nest1_0 [color="#E0E0E0" penwidth=1.5 style=solid label="analyzes" dir=forward]
+	nest1_3 -> N3 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N7 -> S0 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	S0 -> N16 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	S0 -> N14 [color="#CB9BE1" penwidth=1.5 style=dashed label="maintains" dir=forward]
+	N2 -> S1 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	S1 -> N16 [color="#CB9BE1" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N6 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	N6 -> S2 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	S2 -> N15 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	S2 -> N8 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	N0 -> M0 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	N5 -> M0 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	M0 -> N11 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N7 -> M1 [color="#CB9BE1" penwidth=1.5 style=solid dir=forward]
+	N10 -> M1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N14 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_339.txt b/test/diagrams/scanned_easy/diagrams_339.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5b1998bf9571c12c578fa6cf2bbd06b94175556a
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_339.txt
@@ -0,0 +1,35 @@
+<3D Printing for Replicas, connectedTo, Interactive Kiosks>
+<Accessibility Technology for Visitors, connectedTo, Visitor Flow Analysis>
+<Augmented Reality Experiences, connectedTo, Mobile App Development>
+<Crowdsourcing for Collections, connectedTo, Member Management Systems>
+<Crowdsourcing for Collections, connectedTo, Online Shop Integration>
+<Cybersecurity for Museum Data, connectedTo, Digital Preservation Strategies>
+<Database Management, connectedTo, Cybersecurity for Museum Data>
+<Digital Archiving, connectedTo, Member Management Systems>
+<Digital Archiving, connectedTo, RFID for Object Tracking>
+<Digital Preservation Strategies, connectedTo, 3D Printing for Replicas>
+<Educational Technology Integration, analyzes, Database Management>
+<Educational Technology Integration, connectedTo, Interactive Kiosks>
+<Educational Technology Integration, connectedTo, Multisensory Exhibits>
+<Educational Technology Integration, connectedTo, RFID for Object Tracking>
+<Environmental Control Systems, connectedTo, Augmented Reality Experiences>
+<Fundraising Technology, connectedTo, Mobile App Development>
+<Fundraising Technology, connectedTo, Virtual Tours>
+<Interactive Kiosks, connectedTo, Ticketing and Visitor Systems>
+<Member Management Systems, connectedTo, Fundraising Technology>
+<Mobile App Development, connectedTo, Online Shop Integration>
+<Online Shop Integration, connectedTo, Visitor Analytics>
+<RFID for Object Tracking, connectedTo, Accessibility Technology for Visitors>
+<RFID for Object Tracking, connectedTo, Robotics in Exhibits>
+<RFID for Object Tracking, connectedTo, Visitor Analytics>
+<Robotics in Exhibits, connectedTo, Accessibility Technology for Visitors>
+<Robotics in Exhibits, connectedTo, Multisensory Exhibits>
+<Robotics in Exhibits, connectedTo, Online Shop Integration>
+<Robotics in Exhibits, maintains, Online Shop Integration>
+<Soundscape Design, connectedTo, Educational Technology Integration>
+<Ticketing and Visitor Systems, connectedTo, Digital Archiving>
+<User Experience Design, connectedTo, Member Management Systems>
+<User Experience Design, connectedTo, Soundscape Design>
+<Virtual Tours, complies, Environmental Control Systems>
+<Visitor Analytics, connectedTo, Multisensory Exhibits>
+<Visitor Flow Analysis, connectedTo, Crowdsourcing for Collections>
diff --git a/test/diagrams/scanned_easy/diagrams_340.dot b/test/diagrams/scanned_easy/diagrams_340.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d9a7f5ae5b555aa8346409499f6d0d68c6c3f1b9
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_340.dot
@@ -0,0 +1,79 @@
+digraph {
+	rankdir=BT
+	N0 [label="Risk Assessment" color="#607D8B" fillcolor="#CFD8DC" shape=database style=filled]
+	N1 [label="Product Safety Compliance" color="#F06292" fillcolor="#FCE4EC" shape=action style=filled]
+	N2 [label="ESG Integration" color="#F06292" fillcolor="#FCE4EC" shape=diamond style=filled]
+	N3 [label="Stakeholder Engagement on Ethics" color="#F06292" fillcolor="#FCE4EC" shape=box style=filled]
+	N4 [label="Ethical Leadership Development" color="#607D8B" fillcolor="#CFD8DC" shape=vnode_shape style=filled]
+	N5 [label="Legal Advisory" color="#F06292" fillcolor="#FCE4EC" shape=rect style=filled]
+	N6 [label="Labor Law Compliance" color="#F06292" fillcolor="#FCE4EC" shape=hexagon style=filled]
+	N7 [label="Internal Investigations" color="#FFF176" fillcolor="#FFFDE7" shape=vnode_shape style=filled]
+	N8 [label="Supplier Code of Conduct" color="#607D8B" fillcolor="#CFD8DC" shape=box style=filled]
+	N9 [label="Corporate Governance Standards" color="#F06292" fillcolor="#FCE4EC" shape=diamond style=filled]
+	N10 [label="Data Privacy Compliance" color="#607D8B" fillcolor="#CFD8DC" shape=diamond style=filled]
+	N11 [label="Transparent Communication" color="#607D8B" fillcolor="#CFD8DC" shape=hexagon style=filled]
+	N12 [label="Fair Competition Compliance" color="#FFF176" fillcolor="#FFFDE7" shape=rectangle style=filled]
+	N13 [label="Export Control Compliance" color="#FFF176" fillcolor="#FFFDE7" shape=multipledocuments style=filled]
+	N14 [label="Incident Response Planning" color="#F06292" fillcolor="#FCE4EC" shape=box style=filled]
+	N15 [label="Policy Development" color="#607D8B" fillcolor="#CFD8DC" shape=database style=filled]
+	N16 [label="Ethical AI Guidelines" color="#607D8B" fillcolor="#CFD8DC" shape=vnode_shape style=filled]
+	N17 [label="Monitoring and Enforcement" color="#FFF176" fillcolor="#FFFDE7" shape=parallelogram style=filled]
+	S0 [label="" color="#FFF176" fillcolor="#FFFDE7" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#F06292" fillcolor="#FCE4EC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#607D8B" fillcolor="#CFD8DC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#607D8B" fillcolor="#CFD8DC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#F06292" fillcolor="#FCE4EC" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Consumer Protection Compliance {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Consumer Protection Compliance"
+		nest0_0 [label="CSR Reporting" color="#607D8B" fillcolor="#CFD8DC" shape=multipledocuments style=filled]
+		nest0_1 [label="Sanctions Compliance" color="#607D8B" fillcolor="#CFD8DC" shape=action style=filled]
+	}
+	subgraph cluster_Reporting Mechanisms {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Reporting Mechanisms"
+		nest1_0 [label="Compliance Hotlines" color="#607D8B" fillcolor="#CFD8DC" shape=diamond style=filled]
+		nest1_1 [label="Anti_Bribery and Corruption Compliance" color="#F06292" fillcolor="#FCE4EC" shape=ellipse style=filled]
+	}
+	N0 -> N1 [color="#607D8B" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#FFF176" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#607D8B" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#607D8B" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	N12 -> N13 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N13 -> N14 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N14 -> N15 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N15 -> N16 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N16 -> N17 [color="#F06292" penwidth=1.5 style=dashed label="establishes" dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N11 -> nest0_0 [color="#FFF176" penwidth=1.5 style=dashed dir=forward]
+	nest0_1 -> N8 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	nest1_0 -> nest1_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N10 -> nest1_0 [color="#607D8B" penwidth=1.5 style=dashed dir=forward]
+	nest1_1 -> N16 [color="#607D8B" penwidth=1.5 style=solid dir=forward]
+	N0 -> S0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N5 [color="#607D8B" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N6 [color="#607D8B" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N16 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	N14 -> S1 [color="#607D8B" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N16 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	S1 -> N17 [color="#607D8B" penwidth=1.5 style=dashed dir=forward]
+	N11 -> S2 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	S2 -> N17 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	S2 -> N16 [color="#F06292" penwidth=1.5 style=solid label="reviews" dir=forward]
+	N1 -> M0 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	N0 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M0 -> N3 [color="#607D8B" penwidth=1.5 style=solid dir=forward]
+	N1 -> M1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N0 -> M1 [color="#FFF176" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_340.txt b/test/diagrams/scanned_easy/diagrams_340.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ecad9559079c49c44f85b48700b57b5cac06f080
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_340.txt
@@ -0,0 +1,32 @@
+<Anti_Bribery and Corruption Compliance, connectedTo, Ethical AI Guidelines>
+<CSR Reporting, connectedTo, Sanctions Compliance>
+<Compliance Hotlines, connectedTo, Anti_Bribery and Corruption Compliance>
+<Corporate Governance Standards, connectedTo, Data Privacy Compliance>
+<Data Privacy Compliance, connectedTo, Compliance Hotlines>
+<Data Privacy Compliance, connectedTo, Transparent Communication>
+<ESG Integration, connectedTo, Stakeholder Engagement on Ethics>
+<Ethical AI Guidelines, establishes, Monitoring and Enforcement>
+<Ethical Leadership Development, connectedTo, Legal Advisory>
+<Export Control Compliance, connectedTo, Incident Response Planning>
+<Fair Competition Compliance, connectedTo, Export Control Compliance>
+<Incident Response Planning, connectedTo, Ethical AI Guidelines>
+<Incident Response Planning, connectedTo, Monitoring and Enforcement>
+<Incident Response Planning, connectedTo, Policy Development>
+<Internal Investigations, connectedTo, Supplier Code of Conduct>
+<Labor Law Compliance, connectedTo, Internal Investigations>
+<Legal Advisory, connectedTo, Labor Law Compliance>
+<Policy Development, connectedTo, Ethical AI Guidelines>
+<Product Safety Compliance, connectedTo, ESG Integration>
+<Product Safety Compliance, connectedTo, Stakeholder Engagement on Ethics>
+<Risk Assessment, connectedTo, Ethical AI Guidelines>
+<Risk Assessment, connectedTo, Labor Law Compliance>
+<Risk Assessment, connectedTo, Legal Advisory>
+<Risk Assessment, connectedTo, Product Safety Compliance>
+<Risk Assessment, connectedTo, Stakeholder Engagement on Ethics>
+<Sanctions Compliance, connectedTo, Supplier Code of Conduct>
+<Stakeholder Engagement on Ethics, connectedTo, Ethical Leadership Development>
+<Supplier Code of Conduct, connectedTo, Corporate Governance Standards>
+<Transparent Communication, connectedTo, CSR Reporting>
+<Transparent Communication, connectedTo, Fair Competition Compliance>
+<Transparent Communication, connectedTo, Monitoring and Enforcement>
+<Transparent Communication, reviews, Ethical AI Guidelines>
diff --git a/test/diagrams/scanned_easy/diagrams_341.dot b/test/diagrams/scanned_easy/diagrams_341.dot
new file mode 100644
index 0000000000000000000000000000000000000000..df5471f05e9c21edfe83b46b318886f79f8f9d87
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_341.dot
@@ -0,0 +1,68 @@
+digraph {
+	rankdir=LR
+	N0 [label="DNA Profiling" color="#FFC107" fillcolor="#FFECB3" shape=vnode_shape style=filled]
+	N1 [label="Vehicle Forensics" color="#3F51B5" fillcolor="#C5CAE9" shape=rect style=filled]
+	N2 [label="Arson Investigation" color="#A188D0" fillcolor="#DACBE3" shape=predefinedprocess style=filled]
+	N3 [label="Digital Forensics" color="#A188D0" fillcolor="#DACBE3" shape=predefinedprocess style=filled]
+	N4 [label="Fingerprint Analysis" color="#3F51B5" fillcolor="#C5CAE9" shape=action style=filled]
+	N5 [label="Facial Recognition" color="#3F51B5" fillcolor="#C5CAE9" shape=multipledocuments style=filled]
+	N6 [label="Expert Witness Testimony" color="#3F51B5" fillcolor="#C5CAE9" shape=vnode_shape style=filled]
+	N7 [label="Evidence Collection" color="#3F51B5" fillcolor="#C5CAE9" shape=inputoutput style=filled]
+	N8 [label="Cold Case Review" color="#FFC107" fillcolor="#FFECB3" shape=inputoutput style=filled]
+	N9 [label="Cloud Forensics" color="#A188D0" fillcolor="#DACBE3" shape=vnode_shape style=filled]
+	N10 [label="Forensic Botany" color="#A188D0" fillcolor="#DACBE3" shape=box style=filled]
+	N11 [label="Ballistics Analysis" color="#A188D0" fillcolor="#DACBE3" shape=rectangle style=filled]
+	N12 [label="Toxicology Testing" color="#A188D0" fillcolor="#DACBE3" shape=action style=filled]
+	N13 [label="Voice Recognition" color="#A188D0" fillcolor="#DACBE3" shape=diamond style=filled]
+	N14 [label="Forensic Anthropology" color="#A188D0" fillcolor="#DACBE3" shape=preparation style=filled]
+	S1 [label="" color="#3F51B5" fillcolor="#C5CAE9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#A188D0" fillcolor="#DACBE3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Crime Scene Investigation {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Crime Scene Investigation"
+		nest0_0 [label="Forensic Odontology" color="#FFC107" fillcolor="#FFECB3" shape=document style=filled]
+		nest0_1 [label="Crime Database Search" color="#3F51B5" fillcolor="#C5CAE9" shape=predefinedprocess style=filled]
+		nest0_2 [label="Chain of Custody Management" color="#FFC107" fillcolor="#FFECB3" shape=predefinedprocess style=filled]
+		nest0_3 [label="Toolmark Analysis" color="#3F51B5" fillcolor="#C5CAE9" shape=preparation style=filled]
+	}
+	subgraph cluster_Data Recovery {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Data Recovery"
+		nest1_0 [label="Document Examination" color="#A188D0" fillcolor="#DACBE3" shape=multipledocuments style=filled]
+		nest1_1 [label="Forensic Psychology" color="#A188D0" fillcolor="#DACBE3" shape=rect style=filled]
+		nest1_2 [label="Bloodstain Pattern Analysis" color="#3F51B5" fillcolor="#C5CAE9" shape=inputoutput style=filled]
+	}
+	N0 -> N1 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFC107" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#A188D0" penwidth=1.5 style=dashed label="reconstructs" dir=forward]
+	N10 -> N11 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	N12 -> N13 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	N13 -> N14 [color="#FFC107" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#FFC107" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#3F51B5" penwidth=1.5 style=dashed label="secures" dir=forward]
+	N2 -> nest0_0 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	nest0_3 -> N5 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest1_0 -> nest1_1 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	nest1_1 -> nest1_2 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N4 -> nest1_0 [color="#FFC107" penwidth=1.5 style=dashed dir=forward]
+	nest1_2 -> N10 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	N7 -> S1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N11 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	S1 -> N12 [color="#FFC107" penwidth=1.5 style=solid dir=forward]
+	N2 -> M1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_3 -> N9 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_343.dot b/test/diagrams/scanned_easy/diagrams_343.dot
new file mode 100644
index 0000000000000000000000000000000000000000..053bc1eb26c30c7a12be39d9a63a48df3687630f
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_343.dot
@@ -0,0 +1,74 @@
+digraph {
+	rankdir=TB
+	N0 [label="Border Surveillance" color="#D3EB9F" fillcolor="#F8FDD3" shape=action style=filled]
+	N1 [label="Remote Sensing" color="#81C784" fillcolor="#F1F8E9" shape=document style=filled]
+	N2 [label="Ethical Guidelines" color="#D3EB9F" fillcolor="#F8FDD3" shape=parallelogram style=filled]
+	N3 [label="Access Control Systems" color="#81C784" fillcolor="#F1F8E9" shape=preparation style=filled]
+	N4 [label="Sensor Network Deployment" color="#F06292" fillcolor="#FCE4EC" shape=preparation style=filled]
+	N5 [label="Thermal Imaging" color="#D3EB9F" fillcolor="#F8FDD3" shape=box style=filled]
+	N6 [label="Pattern Recognition" color="#D3EB9F" fillcolor="#F8FDD3" shape=box style=filled]
+	N7 [label="Data Storage and Retention" color="#D3EB9F" fillcolor="#F8FDD3" shape=ellipse style=filled]
+	N8 [label="Real_time Alerts" color="#F06292" fillcolor="#FCE4EC" shape=parallelogram style=filled]
+	N9 [label="Environmental Monitoring" color="#81C784" fillcolor="#F1F8E9" shape=action style=filled]
+	N10 [label="Social Media Monitoring" color="#D3EB9F" fillcolor="#F8FDD3" shape=preparation style=filled]
+	N11 [label="Public Space Monitoring" color="#81C784" fillcolor="#F1F8E9" shape=diamond style=filled]
+	N12 [label="Night Vision Technology" color="#D3EB9F" fillcolor="#F8FDD3" shape=hexagon style=filled]
+	N13 [label="Security Personnel Operations" color="#F06292" fillcolor="#FCE4EC" shape=multipledocuments style=filled]
+	N14 [label="Industrial Surveillance" color="#D3EB9F" fillcolor="#F8FDD3" shape=rectangle style=filled]
+	N15 [label="Physical Security Integration" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N16 [label="Data Collection" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	S0 [label="" color="#D3EB9F" fillcolor="#F8FDD3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#D3EB9F" fillcolor="#F8FDD3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M2 [label="" color="#D3EB9F" fillcolor="#F8FDD3" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Drone Surveillance {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Drone Surveillance"
+		nest0_0 [label="Traffic Surveillance" color="#81C784" fillcolor="#F1F8E9" shape=vnode_shape style=filled]
+		nest0_1 [label="Network Monitoring" color="#D3EB9F" fillcolor="#F8FDD3" shape=document style=filled]
+		nest0_2 [label="Wildlife Tracking" color="#81C784" fillcolor="#F1F8E9" shape=inputoutput style=filled]
+	}
+	subgraph cluster_Perimeter Security {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Perimeter Security"
+		nest1_0 [label="Biometric Data Analysis" color="#81C784" fillcolor="#F1F8E9" shape=rect style=filled]
+		nest1_1 [label="Audio Surveillance" color="#F06292" fillcolor="#FCE4EC" shape=action style=filled]
+	}
+	N0 -> N1 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#81C784" penwidth=1.5 style=dashed label="controls" dir=forward]
+	N2 -> N3 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="installs" dir=forward]
+	N4 -> N5 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N12 -> N13 [color="#D3EB9F" penwidth=1.5 style=solid dir=forward]
+	N13 -> N14 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N14 -> N15 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N15 -> N16 [color="#000000" penwidth=1.5 style=solid label="identifies" dir=forward]
+	nest0_0 -> nest0_1 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N4 -> nest0_0 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N10 [color="#F06292" penwidth=1.5 style=solid dir=forward]
+	nest1_0 -> nest1_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N11 -> nest1_0 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	nest1_1 -> N11 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N7 -> S0 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S0 -> N11 [color="#F06292" penwidth=1.5 style=dashed dir=forward]
+	N3 -> S2 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	S2 -> N7 [color="#F06292" penwidth=1.5 style=solid label="tracks" dir=forward]
+	S2 -> N5 [color="#D3EB9F" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N12 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S2 -> N6 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N6 -> M2 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N4 -> M2 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	N10 -> M2 [color="#D3EB9F" penwidth=1.5 style=dashed dir=forward]
+	N9 -> M2 [color="#81C784" penwidth=1.5 style=solid dir=forward]
+	M2 -> N12 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_344.txt b/test/diagrams/scanned_easy/diagrams_344.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8009ce6527ca39211403e4001cf2cf07b72ff491
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_344.txt
@@ -0,0 +1,37 @@
+<Behavioral Science in Prevention, connectedTo, Public Awareness Campaigns>
+<Burglary Prevention, connectedTo, Data Sharing Initiatives>
+<Community Policing, connectedTo, Target Hardening>
+<Crime Data Analysis, communicates, Identity Theft Prevention>
+<Crime Data Analysis, connectedTo, Crime Prevention Through Education>
+<Crime Prevention Through Education, connectedTo, Reintegration Programs>
+<Crisis Intervention, connectedTo, Burglary Prevention>
+<Crisis Intervention, connectedTo, Fraud Prevention>
+<Data Sharing Initiatives, connectedTo, Domestic Violence Prevention>
+<Deterrence Strategies, connectedTo, Security Lighting>
+<Domestic Violence Prevention, data_collects, Mediation Services>
+<Drug Prevention Initiatives, connectedTo, Burglary Prevention>
+<Drug Prevention Initiatives, connectedTo, Community Policing>
+<Early Intervention Programs, connectedTo, Security Lighting>
+<Environmental Design, connectedTo, Situational Crime Prevention>
+<Fraud Prevention, connectedTo, Community Policing>
+<Fraud Prevention, connectedTo, Domestic Violence Prevention>
+<Fraud Prevention, connectedTo, Police_Community Relations>
+<Law Enforcement Training, connectedTo, Environmental Design>
+<Mediation Services, connectedTo, Behavioral Science in Prevention>
+<Mediation Services, connectedTo, Identity Theft Prevention>
+<Mediation Services, connectedTo, Rehabilitation Programs>
+<Mediation Services, connectedTo, Target Hardening>
+<Police_Community Relations, connectedTo, Burglary Prevention>
+<Police_Community Relations, connectedTo, Domestic Violence Prevention>
+<Police_Community Relations, connectedTo, Drug Prevention Initiatives>
+<Public Awareness Campaigns, connectedTo, Rehabilitation Programs>
+<Rehabilitation Programs, connectedTo, Deterrence Strategies>
+<Rehabilitation Programs, connectedTo, Identity Theft Prevention>
+<Rehabilitation Programs, connectedTo, Security Lighting>
+<Rehabilitation Programs, connectedTo, Target Hardening>
+<Reintegration Programs, connectedTo, Early Intervention Programs>
+<Security Lighting, connectedTo, Community Policing>
+<Sexual Assault Prevention, connectedTo, Crime Data Analysis>
+<Situational Crime Prevention, connectedTo, Sexual Assault Prevention>
+<Target Hardening, connectedTo, Crime Data Analysis>
+<Target Hardening, rehabilitates_offenders, Law Enforcement Training>
diff --git a/test/diagrams/scanned_easy/diagrams_345.txt b/test/diagrams/scanned_easy/diagrams_345.txt
new file mode 100644
index 0000000000000000000000000000000000000000..6484cfbb4ec8351591949356c04be0affd27bca9
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_345.txt
@@ -0,0 +1,31 @@
+<Anti_Poaching Operations, connectedTo, Conservation Education>
+<Captive Breeding Programs, connectedTo, Translocation of Species>
+<Climate Change Adaptation for Wildlife, analyzes_data, Captive Breeding Programs>
+<Climate Change Adaptation for Wildlife, connectedTo, Pollution Impact Assessment>
+<Conservation Education, connectedTo, Remote Sensing for Conservation>
+<Conservation Genetics, connectedTo, Species Monitoring>
+<Data Management for Conservation, connectedTo, Ecological Survey>
+<Disease Surveillance, connectedTo, Captive Breeding Programs>
+<Disease Surveillance, connectedTo, Data Management for Conservation>
+<Disease Surveillance, connectedTo, Satellite Tracking of Animals>
+<Disease Surveillance, connectedTo, Wildlife Rescue and Rehabilitation>
+<Ecological Survey, connectedTo, Conservation Education>
+<Forestry Practices for Conservation, connectedTo, Wildlife Rescue and Rehabilitation>
+<GIS Mapping for Habitats, connectedTo, Disease Surveillance>
+<Genetic Diversity Analysis, connectedTo, Climate Change Adaptation for Wildlife>
+<Genetic Diversity Analysis, connectedTo, Remote Sensing for Conservation>
+<Invasive Species Control, connectedTo, Captive Breeding Programs>
+<Invasive Species Control, connectedTo, Forestry Practices for Conservation>
+<Invasive Species Control, connectedTo, Remote Sensing for Conservation>
+<Law Enforcement, connectedTo, Conservation Genetics>
+<Pollution Impact Assessment, connectedTo, Law Enforcement>
+<Protected Area Management, connectedTo, Reintroduction Programs>
+<Reintroduction Programs, connectedTo, Climate Change Adaptation for Wildlife>
+<Reintroduction Programs, connectedTo, Invasive Species Control>
+<Reintroduction Programs, connectedTo, Remote Sensing for Conservation>
+<Reintroduction Programs, connectedTo, Wildlife Rescue and Rehabilitation>
+<Remote Sensing for Conservation, connectedTo, Drone_based Monitoring>
+<Satellite Tracking of Animals, community_engages, Protected Area Management>
+<Species Monitoring, connectedTo, Protected Area Management>
+<Translocation of Species, monitors, Anti_Poaching Operations>
+<Wildlife Rescue and Rehabilitation, connectedTo, Genetic Diversity Analysis>
diff --git a/test/diagrams/scanned_easy/diagrams_346.txt b/test/diagrams/scanned_easy/diagrams_346.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ff9fe8e237d75152bd673647245ae1ee9ceee066
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_346.txt
@@ -0,0 +1,31 @@
+<Coastal Zone Management, connectedTo, Deep_Sea Exploration>
+<Coastal Zone Management, connectedTo, Plastic Pollution Research>
+<Coastal Zone Management, educates, Sediment Analysis>
+<Coral Reef Monitoring, connectedTo, Plastic Pollution Research>
+<Coral Reef Monitoring, connectedTo, Salinity Measurement>
+<Data Visualization, connectedTo, Deep_Sea Exploration>
+<Data Visualization, connectedTo, Salinity Measurement>
+<Deep_Sea Exploration, connectedTo, Physical Oceanography>
+<Deep_Sea Exploration, connectedTo, Plastic Pollution Research>
+<Hydrothermal Vent Exploration, explores, ROV or AUV Operations>
+<Hydrothermal Vent Exploration, simulates, Salinity Measurement>
+<Marine Life Observation, connectedTo, Sediment Analysis>
+<Marine Pollution Monitoring, connectedTo, Data Visualization>
+<Ocean Current Measurement, connectedTo, Polar Oceanography>
+<Ocean Renewable Energy, connectedTo, Ocean Temperature Sensing>
+<Ocean Renewable Energy, connectedTo, Salinity Measurement>
+<Ocean Renewable Energy, currents, Hydrothermal Vent Exploration>
+<Ocean Temperature Sensing, connectedTo, Hydrothermal Vent Exploration>
+<Physical Oceanography, connectedTo, Coral Reef Monitoring>
+<Physical Oceanography, connectedTo, Plastic Pollution Research>
+<Physical Oceanography, connectedTo, Polar Oceanography>
+<Physical Oceanography, connectedTo, Underwater Acoustics>
+<Plastic Pollution Research, connectedTo, Ocean Current Measurement>
+<Plastic Pollution Research, connectedTo, Tsunami Prediction>
+<Polar Oceanography, connectedTo, Ocean Renewable Energy>
+<ROV or AUV Operations, connectedTo, Marine Life Observation>
+<Sediment Analysis, connectedTo, Data Visualization>
+<Sediment Analysis, connectedTo, Deep_Sea Exploration>
+<Tsunami Prediction, connectedTo, Marine Pollution Monitoring>
+<Underwater Acoustics, connectedTo, Coral Reef Monitoring>
+<Underwater Acoustics, connectedTo, Salinity Measurement>
diff --git a/test/diagrams/scanned_easy/diagrams_347.dot b/test/diagrams/scanned_easy/diagrams_347.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b835fb761a6fbd51eb9633f53c36252c9595f3b6
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_347.dot
@@ -0,0 +1,71 @@
+digraph {
+	rankdir=TB
+	N0 [label="Planetary Seismology" color="#FFF9AE" fillcolor="#FFFCE6" shape=predefinedprocess style=filled]
+	N1 [label="Earth Structure Imaging" color="#B8C0F5" fillcolor="#ECF0FD" shape=rectangle style=filled]
+	N2 [label="Seismic Network Operations" color="#3F51B5" fillcolor="#C5CAE9" shape=vnode_shape style=filled]
+	N3 [label="Aftershock Analysis" color="#B8C0F5" fillcolor="#ECF0FD" shape=document style=filled]
+	N4 [label="Volcanic Seismology" color="#B8C0F5" fillcolor="#ECF0FD" shape=database style=filled]
+	N5 [label="Computational Seismology" color="#FFF9AE" fillcolor="#FFFCE6" shape=hexagon style=filled]
+	N6 [label="Tectonic Plate Movement Monitoring" color="#B8C0F5" fillcolor="#ECF0FD" shape=document style=filled]
+	N7 [label="Earthquake Prediction Research" color="#FFF9AE" fillcolor="#FFFCE6" shape=document style=filled]
+	N8 [label="Paleoseismology" color="#FFF9AE" fillcolor="#FFFCE6" shape=action style=filled]
+	N9 [label="Ground Motion Prediction" color="#B8C0F5" fillcolor="#ECF0FD" shape=document style=filled]
+	N10 [label="Microseismicity Study" color="#FFF9AE" fillcolor="#FFFCE6" shape=document style=filled]
+	N11 [label="Seismic Instrumentation Maintenance" color="#FFF9AE" fillcolor="#FFFCE6" shape=multipledocuments style=filled]
+	N12 [label="Liquefaction Potential Assessment" color="#B8C0F5" fillcolor="#ECF0FD" shape=parallelogram style=filled]
+	N13 [label="Seismic Inversion" color="#FFF9AE" fillcolor="#FFFCE6" shape=box style=filled]
+	N14 [label="Seismic Tomography" color="#B8C0F5" fillcolor="#ECF0FD" shape=parallelogram style=filled]
+	N15 [label="Earthquake Early Warning Systems" color="#B8C0F5" fillcolor="#ECF0FD" shape=rect style=filled]
+	N16 [label="Tectonic Stress Measurement" color="#B8C0F5" fillcolor="#ECF0FD" shape=rectangle style=filled]
+	S0 [label="" color="#3F51B5" fillcolor="#C5CAE9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#B8C0F5" fillcolor="#ECF0FD" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#3F51B5" fillcolor="#C5CAE9" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Geophysical Exploration {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Geophysical Exploration"
+		nest0_0 [label="Subsurface Imaging" color="#FFF9AE" fillcolor="#FFFCE6" shape=parallelogram style=filled]
+		nest0_1 [label="Strong Motion Instrumentation" color="#B8C0F5" fillcolor="#ECF0FD" shape=action style=filled]
+		nest0_2 [label="Glacial Seismology" color="#3F51B5" fillcolor="#C5CAE9" shape=preparation style=filled]
+	}
+	subgraph cluster_Earthquake Detection {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Earthquake Detection"
+		nest1_0 [label="Seismic Noise Analysis" color="#B8C0F5" fillcolor="#ECF0FD" shape=hexagon style=filled]
+		nest1_1 [label="Deep Earth Seismology" color="#FFF9AE" fillcolor="#FFFCE6" shape=inputoutput style=filled]
+	}
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#FFF9AE" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N11 -> N12 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N12 -> N13 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N13 -> N14 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N14 -> N15 [color="#B8C0F5" penwidth=1.5 style=solid dir=forward]
+	N15 -> N16 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> nest0_0 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+	nest0_2 -> N12 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	nest1_0 -> nest1_1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N12 -> nest1_0 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	nest1_1 -> N2 [color="#3F51B5" penwidth=1.5 style=solid dir=forward]
+	N11 -> S0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N13 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N16 [color="#FFF9AE" penwidth=1.5 style=solid dir=forward]
+	N13 -> S1 [color="#B8C0F5" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N15 [color="#FFF9AE" penwidth=1.5 style=solid dir=forward]
+	S1 -> N16 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> M1 [color="#FFF9AE" penwidth=1.5 style=dashed dir=forward]
+	N4 -> M1 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M1 [color="#3F51B5" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N6 [color="#B8C0F5" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_347.txt b/test/diagrams/scanned_easy/diagrams_347.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3fdf92827e131dc5169b2cebd7888c90d9b140c3
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_347.txt
@@ -0,0 +1,30 @@
+<Aftershock Analysis, connectedTo, Tectonic Plate Movement Monitoring>
+<Aftershock Analysis, connectedTo, Volcanic Seismology>
+<Computational Seismology, connectedTo, Tectonic Plate Movement Monitoring>
+<Deep Earth Seismology, connectedTo, Seismic Network Operations>
+<Earth Structure Imaging, connectedTo, Seismic Network Operations>
+<Earthquake Early Warning Systems, connectedTo, Tectonic Stress Measurement>
+<Earthquake Prediction Research, connectedTo, Paleoseismology>
+<Glacial Seismology, connectedTo, Liquefaction Potential Assessment>
+<Ground Motion Prediction, connectedTo, Microseismicity Study>
+<Liquefaction Potential Assessment, connectedTo, Seismic Inversion>
+<Liquefaction Potential Assessment, connectedTo, Seismic Noise Analysis>
+<Microseismicity Study, connectedTo, Seismic Instrumentation Maintenance>
+<Paleoseismology, connectedTo, Ground Motion Prediction>
+<Planetary Seismology, connectedTo, Earth Structure Imaging>
+<Planetary Seismology, connectedTo, Tectonic Plate Movement Monitoring>
+<Seismic Instrumentation Maintenance, connectedTo, Liquefaction Potential Assessment>
+<Seismic Instrumentation Maintenance, connectedTo, Seismic Inversion>
+<Seismic Instrumentation Maintenance, connectedTo, Tectonic Stress Measurement>
+<Seismic Inversion, connectedTo, Earthquake Early Warning Systems>
+<Seismic Inversion, connectedTo, Seismic Tomography>
+<Seismic Inversion, connectedTo, Tectonic Stress Measurement>
+<Seismic Network Operations, connectedTo, Aftershock Analysis>
+<Seismic Noise Analysis, connectedTo, Deep Earth Seismology>
+<Seismic Tomography, connectedTo, Earthquake Early Warning Systems>
+<Strong Motion Instrumentation, connectedTo, Glacial Seismology>
+<Subsurface Imaging, connectedTo, Strong Motion Instrumentation>
+<Tectonic Plate Movement Monitoring, connectedTo, Earthquake Prediction Research>
+<Volcanic Seismology, connectedTo, Computational Seismology>
+<Volcanic Seismology, connectedTo, Subsurface Imaging>
+<Volcanic Seismology, connectedTo, Tectonic Plate Movement Monitoring>
diff --git a/test/diagrams/scanned_easy/diagrams_348.txt b/test/diagrams/scanned_easy/diagrams_348.txt
new file mode 100644
index 0000000000000000000000000000000000000000..765eabb523064ccc00b13f73a4b96e0fe3d6b1db
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_348.txt
@@ -0,0 +1,31 @@
+<Cloning Technologies, connectedTo, Next_Generation Sequencing>
+<Comparative Genomics, connectedTo, DNA Sequencing>
+<Comparative Genomics, connectedTo, Methylation Analysis>
+<Computational Genomics, connectedTo, Synthetic Genomics>
+<Computational Genomics, partOf, Computational Genomics>
+<DNA Sequencing, connectedTo, Pharmacogenomics>
+<Data Privacy in Genomics, accesses_data, DNA Sequencing>
+<Data Privacy in Genomics, connectedTo, Cloning Technologies>
+<Disease Gene Identification, connectedTo, Functional Genomics>
+<Functional Genomics, connectedTo, DNA Sequencing>
+<Gene Expression Profiling, connectedTo, Computational Genomics>
+<Gene Expression Profiling, partOf, Gene Expression Profiling>
+<Gene Therapy Development, connectedTo, Microbial Genomics>
+<Genomic Data Analysis, connectedTo, Comparative Genomics>
+<Genomic Data Sharing, connectedTo, Population Genomics>
+<Genomic Data Sharing, connectedTo, Rare Disease Genomics>
+<Methylation Analysis, connectedTo, DNA Sequencing>
+<Methylation Analysis, connectedTo, Disease Gene Identification>
+<Methylation Analysis, connectedTo, Functional Genomics>
+<Methylation Analysis, connectedTo, Pharmacogenomics>
+<Microbial Genomics, connectedTo, Comparative Genomics>
+<Microbial Genomics, connectedTo, DNA Sequencing>
+<Microbial Genomics, connectedTo, Functional Genomics>
+<Next_Generation Sequencing, connectedTo, DNA Sequencing>
+<Next_Generation Sequencing, connectedTo, Genomic Data Sharing>
+<Population Genomics, connectedTo, DNA Sequencing>
+<Population Genomics, connectedTo, Gene Expression Profiling>
+<Population Genomics, connectedTo, Gene Therapy Development>
+<Rare Disease Genomics, connectedTo, Genomic Data Analysis>
+<Synthetic Genomics, connectedTo, Next_Generation Sequencing>
+<Synthetic Genomics, partOf, Synthetic Genomics>
diff --git a/test/diagrams/scanned_easy/diagrams_349.dot b/test/diagrams/scanned_easy/diagrams_349.dot
new file mode 100644
index 0000000000000000000000000000000000000000..b529b66c75607058b563665d574f0ee22b557dc6
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_349.dot
@@ -0,0 +1,86 @@
+digraph {
+	rankdir=TB
+	N0 [label="Voice Biometrics" color="#73C6BC" fillcolor="#D0EFEE" shape=box style=filled]
+	N1 [label="Phonetic Transcription" color="#73C6BC" fillcolor="#D0EFEE" shape=preparation style=filled]
+	N2 [label="Text_to_Speech Synthesis" color="#FFE69C" fillcolor="#FFF9D4" shape=parallelogram style=filled]
+	N3 [label="Children's Speech Recognition" color="#FFE69C" fillcolor="#FFF9D4" shape=multipledocuments style=filled]
+	N4 [label="Contextual Understanding" color="#73C6BC" fillcolor="#D0EFEE" shape=preparation style=filled]
+	N5 [label="Prosody Analysis" color="#FFE69C" fillcolor="#FFF9D4" shape=rectangle style=filled]
+	N6 [label="Cross_Lingual Speech Recognition" color="#73C6BC" fillcolor="#D0EFEE" shape=action style=filled]
+	N7 [label="Voice Activity Detection" color="#FFE69C" fillcolor="#FFF9D4" shape=preparation style=filled]
+	N8 [label="Real_Time Captioning" color="#C2B2F0" fillcolor="#EFE6FF" shape=hexagon style=filled]
+	N9 [label="Dialect Adaptation" color="#73C6BC" fillcolor="#D0EFEE" shape=ellipse style=filled]
+	N10 [label="Multimodal Speech Processing" color="#73C6BC" fillcolor="#D0EFEE" shape=database style=filled]
+	N11 [label="Emotion Recognition from Voice" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	N12 [label="Voice Search Optimization" color="#FFE69C" fillcolor="#FFF9D4" shape=parallelogram style=filled]
+	N13 [label="Security Authentication" color="#C2B2F0" fillcolor="#EFE6FF" shape=multipledocuments style=filled]
+	N14 [label="Speech Emotion Recognition" color="#FFE69C" fillcolor="#FFF9D4" shape=rectangle style=filled]
+	N15 [label="Language Modeling" color="#FFE69C" fillcolor="#FFF9D4" shape=vnode_shape style=filled]
+	N16 [label="Medical Transcription" color="#C2B2F0" fillcolor="#EFE6FF" shape=ellipse style=filled]
+	N17 [label="Automatic Speech Recognition" color="#C2B2F0" fillcolor="#EFE6FF" shape=rectangle style=filled]
+	N18 [label="Noise Reduction" color="#73C6BC" fillcolor="#D0EFEE" shape=rect style=filled]
+	S0 [label="" color="#FFE69C" fillcolor="#FFF9D4" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#73C6BC" fillcolor="#D0EFEE" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#FFE69C" fillcolor="#FFF9D4" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#FFE69C" fillcolor="#FFF9D4" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M2 [label="" color="#FFE69C" fillcolor="#FFF9D4" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Command and Control {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Command and Control"
+		nest0_0 [label="Accent Recognition" color="#73C6BC" fillcolor="#D0EFEE" shape=vnode_shape style=filled]
+		nest0_1 [label="Speech Analytics" color="#73C6BC" fillcolor="#D0EFEE" shape=predefinedprocess style=filled]
+		nest0_2 [label="Meeting Transcription" color="#C2B2F0" fillcolor="#EFE6FF" shape=vnode_shape style=filled]
+		nest0_3 [label="Voice Assistant Development" color="#73C6BC" fillcolor="#D0EFEE" shape=predefinedprocess style=filled]
+	}
+	subgraph cluster_Robust Speech Recognition {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Robust Speech Recognition"
+		nest1_0 [label="Speech Data Annotation" color="#73C6BC" fillcolor="#D0EFEE" shape=rect style=filled]
+		nest1_1 [label="Acoustic Modeling" color="#C2B2F0" fillcolor="#EFE6FF" shape=database style=filled]
+	}
+	N0 -> N1 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#C2B2F0" penwidth=1.5 style=solid label="identifies" dir=forward]
+	N2 -> N3 [color="#C2B2F0" penwidth=1.5 style=solid label="commands" dir=forward]
+	N3 -> N4 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#C2B2F0" penwidth=1.5 style=solid label="designs" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N10 -> N11 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N11 -> N12 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	N12 -> N13 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+	N13 -> N14 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	N14 -> N15 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N15 -> N16 [color="#000000" penwidth=1.5 style=solid label="learns" dir=forward]
+	N16 -> N17 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+	N17 -> N18 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#C2B2F0" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	N6 -> nest0_0 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N4 [color="#FFE69C" penwidth=1.5 style=solid label="licenses" dir=forward]
+	nest1_0 -> nest1_1 [color="#C2B2F0" penwidth=1.5 style=dashed dir=forward]
+	N16 -> nest1_0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest1_1 -> N6 [color="#C2B2F0" penwidth=1.5 style=dashed dir=forward]
+	N12 -> S0 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N18 [color="#C2B2F0" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N15 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N16 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	N10 -> S1 [color="#C2B2F0" penwidth=1.5 style=solid dir=forward]
+	S1 -> N12 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N17 [color="#C2B2F0" penwidth=1.5 style=dashed dir=forward]
+	N3 -> M0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N7 -> M0 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	M0 -> N10 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M1 [color="#73C6BC" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N0 -> M1 [color="#C2B2F0" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N5 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	N1 -> M2 [color="#73C6BC" penwidth=1.5 style=solid dir=forward]
+	N3 -> M2 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	N5 -> M2 [color="#C2B2F0" penwidth=1.5 style=solid dir=forward]
+	M2 -> N7 [color="#C2B2F0" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_350.dot b/test/diagrams/scanned_easy/diagrams_350.dot
new file mode 100644
index 0000000000000000000000000000000000000000..69a6759cd8b968eb29357012f950b8bdae532a30
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_350.dot
@@ -0,0 +1,61 @@
+digraph {
+	rankdir=RL
+	N0 [label="Financial Text Analysis" color="#FFF176" fillcolor="#FFFDE7" shape=database style=filled]
+	N1 [label="Knowledge Graph Construction" color="#9575CD" fillcolor="#EDE7F6" shape=hexagon style=filled]
+	N2 [label="Annotation Tools" color="#9575CD" fillcolor="#EDE7F6" shape=ellipse style=filled]
+	N3 [label="Concept Extraction" color="#42A5F5" fillcolor="#F1F8FF" shape=database style=filled]
+	N4 [label="Keyword Extraction" color="#42A5F5" fillcolor="#F1F8FF" shape=parallelogram style=filled]
+	N5 [label="Relationship Extraction" color="#42A5F5" fillcolor="#F1F8FF" shape=database style=filled]
+	N6 [label="Vector Space Models" color="#9575CD" fillcolor="#EDE7F6" shape=inputoutput style=filled]
+	N7 [label="Text Preprocessing" color="#9575CD" fillcolor="#EDE7F6" shape=multipledocuments style=filled]
+	N8 [label="Lemmatization or Stemming" color="#FFF176" fillcolor="#FFFDE7" shape=ellipse style=filled]
+	N9 [label="Automated Content Tagging" color="#42A5F5" fillcolor="#F1F8FF" shape=rectangle style=filled]
+	N10 [label="Data Cleaning for Text" color="#9575CD" fillcolor="#EDE7F6" shape=action style=filled]
+	N11 [label="Text Visualization" color="#FFF176" fillcolor="#FFFDE7" shape=multipledocuments style=filled]
+	S0 [label="" color="#42A5F5" fillcolor="#F1F8FF" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#9575CD" fillcolor="#EDE7F6" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Regular Expressions for Text {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Regular Expressions for Text"
+		nest0_0 [label="Information Extraction" color="#FFF176" fillcolor="#FFFDE7" shape=parallelogram style=filled]
+		nest0_1 [label="Part_of_Speech Tagging" color="#9575CD" fillcolor="#EDE7F6" shape=document style=filled]
+		nest0_2 [label="News Article Analysis" color="#FFF176" fillcolor="#FFFDE7" shape=inputoutput style=filled]
+	}
+	subgraph cluster_Deep Learning for NLP {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Deep Learning for NLP"
+		nest1_0 [label="Named Entity Recognition" color="#42A5F5" fillcolor="#F1F8FF" shape=multipledocuments style=filled]
+		nest1_1 [label="Chatbot Development" color="#FFF176" fillcolor="#FFFDE7" shape=diamond style=filled]
+		nest1_2 [label="Corpus Creation" color="#42A5F5" fillcolor="#F1F8FF" shape=box style=filled]
+	}
+	N0 -> N1 [color="#FFF176" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#42A5F5" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#FFF176" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#9575CD" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#9575CD" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#42A5F5" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#9575CD" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	nest0_0 -> nest0_1 [color="#9575CD" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#42A5F5" penwidth=1.5 style=solid dir=forward]
+	N10 -> nest0_0 [color="#9575CD" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> N2 [color="#9575CD" penwidth=1.5 style=dashed dir=forward]
+	nest1_0 -> nest1_1 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	nest1_1 -> nest1_2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> nest1_0 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	nest1_2 -> N2 [color="#42A5F5" penwidth=1.5 style=solid dir=forward]
+	N1 -> S0 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N9 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N5 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	N6 -> S1 [color="#42A5F5" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N10 [color="#42A5F5" penwidth=1.5 style=solid dir=forward]
+	S1 -> N8 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	S1 -> N9 [color="#FFF176" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N11 [color="#9575CD" penwidth=1.5 style=solid dir=forward]
+	N2 -> N9 [color="#9575CD" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_350.txt b/test/diagrams/scanned_easy/diagrams_350.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d8e008a9e1d0559c55897fad869409198d958815
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_350.txt
@@ -0,0 +1,26 @@
+<Annotation Tools, connectedTo, Automated Content Tagging>
+<Annotation Tools, connectedTo, Concept Extraction>
+<Automated Content Tagging, connectedTo, Data Cleaning for Text>
+<Chatbot Development, connectedTo, Corpus Creation>
+<Concept Extraction, connectedTo, Keyword Extraction>
+<Corpus Creation, connectedTo, Annotation Tools>
+<Data Cleaning for Text, connectedTo, Information Extraction>
+<Data Cleaning for Text, connectedTo, Text Visualization>
+<Financial Text Analysis, connectedTo, Knowledge Graph Construction>
+<Information Extraction, connectedTo, Part_of_Speech Tagging>
+<Keyword Extraction, connectedTo, Relationship Extraction>
+<Knowledge Graph Construction, connectedTo, Annotation Tools>
+<Knowledge Graph Construction, connectedTo, Automated Content Tagging>
+<Knowledge Graph Construction, connectedTo, Named Entity Recognition>
+<Knowledge Graph Construction, connectedTo, Relationship Extraction>
+<Lemmatization or Stemming, connectedTo, Automated Content Tagging>
+<Named Entity Recognition, connectedTo, Chatbot Development>
+<News Article Analysis, connectedTo, Annotation Tools>
+<Part_of_Speech Tagging, connectedTo, News Article Analysis>
+<Relationship Extraction, connectedTo, Vector Space Models>
+<Text Preprocessing, connectedTo, Lemmatization or Stemming>
+<Vector Space Models, connectedTo, Automated Content Tagging>
+<Vector Space Models, connectedTo, Data Cleaning for Text>
+<Vector Space Models, connectedTo, Lemmatization or Stemming>
+<Vector Space Models, connectedTo, Text Preprocessing>
+<Vector Space Models, connectedTo, Text Visualization>
diff --git a/test/diagrams/scanned_easy/diagrams_352.txt b/test/diagrams/scanned_easy/diagrams_352.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0ffb4b40040cf6ec05973e5dd658fc3d5b4abb48
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_352.txt
@@ -0,0 +1,28 @@
+<Automated Data Validation, connectedTo, Data Entry Automation>
+<Automated Data Validation, connectedTo, Natural Language Processing for Automation>
+<Automation Opportunity Identification, connectedTo, Chatbot Integration>
+<Automation Opportunity Identification, upgrades, Robotic Process Automation Implementation>
+<Chatbot Integration, connectedTo, IT Operations Automation>
+<Data Entry Automation, connectedTo, HR Process Automation>
+<Decision Automation, connectedTo, Data Entry Automation>
+<Decision Automation, connectedTo, Orchestration of Processes>
+<Document Processing Automation, connectedTo, Security for Automation Bots>
+<Error Handling in Automation, connectedTo, Automated Data Validation>
+<Error Handling in Automation, connectedTo, Data Entry Automation>
+<Finance Process Automation, connectedTo, Scalability of Automation>
+<HR Process Automation, connectedTo, Hyperautomation>
+<Hyperautomation, connectedTo, Automation Opportunity Identification>
+<Hyperautomation, connectedTo, Low_Code or No_Code Automation>
+<Hyperautomation, connectedTo, Robotic Process Automation Implementation>
+<Hyperautomation, improves_accuracy, Scalability of Automation>
+<IT Operations Automation, connectedTo, Document Processing Automation>
+<Intelligent Automation, accelerates_operations, Automation Opportunity Identification>
+<Natural Language Processing for Automation, connectedTo, Finance Process Automation>
+<Orchestration of Processes, connectedTo, Data Entry Automation>
+<Orchestration of Processes, connectedTo, Error Handling in Automation>
+<Orchestration of Processes, connectedTo, Hyperautomation>
+<Orchestration of Processes, connectedTo, Low_Code or No_Code Automation>
+<Orchestration of Processes, connectedTo, Robotic Process Automation Implementation>
+<Robotic Process Automation Implementation, connectedTo, Low_Code or No_Code Automation>
+<Scalability of Automation, connectedTo, Intelligent Automation>
+<Security for Automation Bots, connectedTo, Orchestration of Processes>
diff --git a/test/diagrams/scanned_easy/diagrams_353.txt b/test/diagrams/scanned_easy/diagrams_353.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ded31c2f3abd14ee4cebd1491b452cffe39fb6a8
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_353.txt
@@ -0,0 +1,34 @@
+<Automated Optical Inspection, connectedTo, Hardware Quality Testing>
+<Component Inspection, connectedTo, Food Safety Quality Control>
+<Component Inspection, connectedTo, Product Testing>
+<Customer Feedback Analysis, analyzes_data, Supplier Quality Management>
+<Defect Detection, connectedTo, Measurement System Analysis>
+<Hardware Quality Testing, connectedTo, Component Inspection>
+<Lean Principles in Quality, connectedTo, Customer Feedback Analysis>
+<Measurement System Analysis, connectedTo, Lean Principles in Quality>
+<Non_Destructive Testing, connectedTo, Automated Optical Inspection>
+<Non_Destructive Testing, connectedTo, Supplier Audits>
+<Pharmaceutical Quality Control, connectedTo, Quality Planning>
+<Pharmaceutical Quality Control, connectedTo, Six Sigma Methodologies>
+<Pharmaceutical Quality Control, connectedTo, Statistical Process Control>
+<Product Testing, connectedTo, Quality Standards Development>
+<Quality Management Systems, products_evaluates, Automated Optical Inspection>
+<Quality Planning, systems_controls, Statistical Process Control>
+<Quality Standards Development, connectedTo, Testing Methods>
+<Quality Standards Development, software_implements, Food Safety Quality Control>
+<Risk_Based Quality Control, collaborates, Service Quality Management>
+<Root Cause Analysis, connectedTo, Automated Optical Inspection>
+<Root Cause Analysis, connectedTo, Non_Destructive Testing>
+<Service Quality Management, connectedTo, Quality Standards Development>
+<Six Sigma Methodologies, connectedTo, Quality Planning>
+<Statistical Process Control, connectedTo, Food Safety Quality Control>
+<Supplier Audits, connectedTo, Automated Optical Inspection>
+<Supplier Audits, connectedTo, Quality Management Systems>
+<Supplier Quality Management, connectedTo, Food Safety Quality Control>
+<Supplier Quality Management, connectedTo, Pharmaceutical Quality Control>
+<Supplier Quality Management, connectedTo, Six Sigma Methodologies>
+<Supplier Quality Management, connectedTo, Statistical Process Control>
+<Testing Methods, connectedTo, Defect Detection>
+<Testing Methods, connectedTo, Food Safety Quality Control>
+<Testing Methods, connectedTo, Risk_Based Quality Control>
+<Testing Methods, connectedTo, Supplier Quality Management>
diff --git a/test/diagrams/scanned_easy/diagrams_354.txt b/test/diagrams/scanned_easy/diagrams_354.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0f0c0274fe3f391c2c16d7924d2c27d5fab86812
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_354.txt
@@ -0,0 +1,32 @@
+<Business Process Re_engineering, connectedTo, Customization>
+<Compliance Reporting, cloud_deploys, Post_Go_Live Support>
+<Customization, connectedTo, Post_Go_Live Support>
+<Customization, connectedTo, Testing ERP Modules>
+<Customization, connectedTo, User Acceptance Testing>
+<Data Migration, connectedTo, Financial Management>
+<ERP Consulting, connectedTo, Master Data Management>
+<ERP System Selection, connectedTo, Human Capital Management>
+<ERP System Selection, sales_manages, Business Process Re_engineering>
+<Financial Management, connectedTo, Sales and Distribution>
+<Human Capital Management, connectedTo, System Upgrade>
+<Implementation Roadmap Development, connectedTo, ERP Consulting>
+<Integration with Other Systems, connectedTo, Human Capital Management>
+<Integration with Other Systems, connectedTo, Vendor Management>
+<Inventory Management, connectedTo, ERP System Selection>
+<Master Data Management, connectedTo, Manufacturing Operations>
+<Mobile ERP Access, connectedTo, Human Capital Management>
+<Post_Go_Live Support, connectedTo, Integration with Other Systems>
+<Reporting and Analytics, connectedTo, Compliance Reporting>
+<Sales and Distribution, connectedTo, Human Capital Management>
+<Sales and Distribution, connectedTo, Mobile ERP Access>
+<System Configuration, connectedTo, Inventory Management>
+<System Upgrade, connectedTo, ERP Consulting>
+<System Upgrade, connectedTo, Implementation Roadmap Development>
+<System Upgrade, secures, Master Data Management>
+<Testing ERP Modules, connectedTo, Workflow Automation in ERP>
+<User Acceptance Testing, connectedTo, Reporting and Analytics>
+<Vendor Management, connectedTo, ERP Consulting>
+<Vendor Management, connectedTo, Manufacturing Operations>
+<Vendor Management, connectedTo, Master Data Management>
+<Vendor Management, connectedTo, Sales and Distribution>
+<Workflow Automation in ERP, connectedTo, Data Migration>
diff --git a/test/diagrams/scanned_easy/diagrams_355.txt b/test/diagrams/scanned_easy/diagrams_355.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f832eb8d36f085ec747caf142613ea87d2501baa
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_355.txt
@@ -0,0 +1,26 @@
+<Aquaculture Monitoring, connectedTo, Farm Labor Management Software>
+<Automated Irrigation, connectedTo, Satellite Imaging>
+<Crop Health Monitoring, connectedTo, Farm Management Dashboards>
+<Crop Health Monitoring, connectedTo, Sustainability Metrics Tracking>
+<Crop Health Monitoring, sprays, Farm Robotics>
+<Data Security in Agriculture, connectedTo, Farm Robotics>
+<Data Security in Agriculture, connectedTo, Satellite Imaging>
+<Farm Data Integration, connectedTo, Yield Mapping>
+<Farm Labor Management Software, connectedTo, Farm Management Software>
+<Farm Labor Management Software, connectedTo, Market Price Forecasting>
+<Farm Management Dashboards, connectedTo, Sustainability Metrics Tracking>
+<Farm Management Dashboards, reports, Supply Chain Traceability>
+<Farm Management Software, connectedTo, Livestock Feeding Automation>
+<Farm Robotics, connectedTo, Farm Management Dashboards>
+<Herd Health Monitoring, connectedTo, Automated Irrigation>
+<Livestock Feeding Automation, connectedTo, Sensor Deployment>
+<Market Price Forecasting, connectedTo, Crop Health Monitoring>
+<Market Price Forecasting, connectedTo, Farm Robotics>
+<Satellite Imaging, connectedTo, Farm Data Integration>
+<Satellite Imaging, connectedTo, Farm Robotics>
+<Sensor Deployment, connectedTo, Sustainability Metrics Tracking>
+<Smart Livestock Monitoring, connectedTo, Aquaculture Monitoring>
+<Supply Chain Traceability, connectedTo, Herd Health Monitoring>
+<Yield Mapping, connectedTo, Farm Management Dashboards>
+<Yield Mapping, connectedTo, Market Price Forecasting>
+<Yield Mapping, connectedTo, Smart Livestock Monitoring>
diff --git a/test/diagrams/scanned_easy/diagrams_356.dot b/test/diagrams/scanned_easy/diagrams_356.dot
new file mode 100644
index 0000000000000000000000000000000000000000..5b985e7631373430ac8b73ebd92125884f6cf545
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_356.dot
@@ -0,0 +1,78 @@
+digraph {
+	rankdir=TB
+	N0 [label="Network Infrastructure for Tournaments" color="#FFA726" fillcolor="#FFF3E0" shape=database style=filled]
+	N1 [label="League Management" color="#00BCD4" fillcolor="#E0F7FA" shape=rectangle style=filled]
+	N2 [label="Team Management" color="#FFA726" fillcolor="#FFF3E0" shape=document style=filled]
+	N3 [label="Performance Analysis" color="#00BCD4" fillcolor="#E0F7FA" shape=parallelogram style=filled]
+	N4 [label="Social Media Management" color="#00BCD4" fillcolor="#E0F7FA" shape=action style=filled]
+	N5 [label="Prize Pool Management" color="#00BCD4" fillcolor="#E0F7FA" shape=action style=filled]
+	N6 [label="Nutrition for Esports Athletes" color="#00BCD4" fillcolor="#E0F7FA" shape=rectangle style=filled]
+	N7 [label="Live Streaming Production" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+	N8 [label="Gambling and Betting Regulation" color="#E57373" fillcolor="#FFEBEE" shape=database style=filled]
+	N9 [label="Broadcast Technology for Esports" color="#00BCD4" fillcolor="#E0F7FA" shape=box style=filled]
+	N10 [label="Physical Conditioning for Players" color="#00BCD4" fillcolor="#E0F7FA" shape=ellipse style=filled]
+	S0 [label="" color="#FFA726" fillcolor="#FFF3E0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S1 [label="" color="#E57373" fillcolor="#FFEBEE" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	S2 [label="" color="#E57373" fillcolor="#FFEBEE" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M0 [label="" color="#00BCD4" fillcolor="#E0F7FA" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M1 [label="" color="#FFA726" fillcolor="#FFF3E0" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	M2 [label="" color="#E57373" fillcolor="#FFEBEE" shape=circle style=filled fixedsize=true height=0.1 width=0.1]
+	subgraph cluster_Esports Analytics {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Esports Analytics"
+		nest0_0 [label="Game Server Management" color="#00BCD4" fillcolor="#E0F7FA" shape=vnode_shape style=filled]
+		nest0_1 [label="Player Scouting" color="#E57373" fillcolor="#FFEBEE" shape=rect style=filled]
+		nest0_2 [label="Gaming Hardware Optimization" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+		nest0_3 [label="Content Creation" color="#E57373" fillcolor="#FFEBEE" shape=inputoutput style=filled]
+	}
+	subgraph cluster_Brand Partnerships {
+		style="rounded,filled,dashed"
+		color=gray50
+		label="Brand Partnerships"
+		nest1_0 [label="Anti_Cheat Measures" color="#00BCD4" fillcolor="#E0F7FA" shape=database style=filled]
+		nest1_1 [label="Coaching Staff Management" color="#00BCD4" fillcolor="#E0F7FA" shape=rect style=filled]
+		nest1_2 [label="Esports Team Ownership" color="#FFA726" fillcolor="#FFF3E0" shape=database style=filled]
+	}
+	N0 -> N1 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#E57373" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFA726" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#E57373" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#E57373" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#E57373" penwidth=1.5 style=solid dir=forward]
+	nest0_0 -> nest0_1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_1 -> nest0_2 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	nest0_2 -> nest0_3 [color="#E57373" penwidth=1.5 style=dashed dir=forward]
+	N5 -> nest0_0 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	nest0_3 -> N8 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	nest1_0 -> nest1_1 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	nest1_1 -> nest1_2 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	N4 -> nest1_0 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	nest1_2 -> N9 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N3 -> S0 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N5 [color="#E57373" penwidth=1.5 style=dashed dir=forward]
+	S0 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N0 -> S1 [color="#FFA726" penwidth=1.5 style=dashed dir=forward]
+	S1 -> N2 [color="#FFA726" penwidth=1.5 style=dashed label="strategies_develops" dir=forward]
+	S1 -> N8 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	N4 -> S2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N8 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	S2 -> N10 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	S2 -> N7 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	S2 -> N9 [color="#FFA726" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M0 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M0 [color="#FFA726" penwidth=1.5 style=solid dir=forward]
+	M0 -> N3 [color="#E57373" penwidth=1.5 style=dashed dir=forward]
+	N0 -> M1 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N1 -> M1 [color="#00BCD4" penwidth=1.5 style=dashed dir=forward]
+	M1 -> N3 [color="#FFA726" penwidth=1.5 style=dashed dir=forward]
+	N7 -> M2 [color="#E57373" penwidth=1.5 style=dashed label="platforms_develops" dir=forward]
+	N6 -> M2 [color="#00BCD4" penwidth=1.5 style=solid dir=forward]
+	N0 -> M2 [color="#E57373" penwidth=1.5 style=dashed dir=forward]
+	N1 -> M2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	M2 -> N10 [color="#E57373" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_356.txt b/test/diagrams/scanned_easy/diagrams_356.txt
new file mode 100644
index 0000000000000000000000000000000000000000..345b74041984e357ac5e7f537fc4272e634cc5ee
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_356.txt
@@ -0,0 +1,33 @@
+<Anti_Cheat Measures, connectedTo, Coaching Staff Management>
+<Broadcast Technology for Esports, connectedTo, Physical Conditioning for Players>
+<Coaching Staff Management, connectedTo, Esports Team Ownership>
+<Content Creation, connectedTo, Gambling and Betting Regulation>
+<Esports Team Ownership, connectedTo, Broadcast Technology for Esports>
+<Gambling and Betting Regulation, connectedTo, Broadcast Technology for Esports>
+<Game Server Management, connectedTo, Player Scouting>
+<Gaming Hardware Optimization, connectedTo, Content Creation>
+<League Management, connectedTo, Performance Analysis>
+<League Management, connectedTo, Physical Conditioning for Players>
+<League Management, connectedTo, Team Management>
+<Live Streaming Production, connectedTo, Gambling and Betting Regulation>
+<Live Streaming Production, platforms_develops, Physical Conditioning for Players>
+<Network Infrastructure for Tournaments, connectedTo, Gambling and Betting Regulation>
+<Network Infrastructure for Tournaments, connectedTo, League Management>
+<Network Infrastructure for Tournaments, connectedTo, Performance Analysis>
+<Network Infrastructure for Tournaments, connectedTo, Physical Conditioning for Players>
+<Network Infrastructure for Tournaments, strategies_develops, Team Management>
+<Nutrition for Esports Athletes, connectedTo, Live Streaming Production>
+<Nutrition for Esports Athletes, connectedTo, Physical Conditioning for Players>
+<Performance Analysis, connectedTo, Gambling and Betting Regulation>
+<Performance Analysis, connectedTo, Prize Pool Management>
+<Performance Analysis, connectedTo, Social Media Management>
+<Player Scouting, connectedTo, Gaming Hardware Optimization>
+<Prize Pool Management, connectedTo, Game Server Management>
+<Prize Pool Management, connectedTo, Nutrition for Esports Athletes>
+<Social Media Management, connectedTo, Anti_Cheat Measures>
+<Social Media Management, connectedTo, Broadcast Technology for Esports>
+<Social Media Management, connectedTo, Gambling and Betting Regulation>
+<Social Media Management, connectedTo, Live Streaming Production>
+<Social Media Management, connectedTo, Physical Conditioning for Players>
+<Social Media Management, connectedTo, Prize Pool Management>
+<Team Management, connectedTo, Performance Analysis>
diff --git a/test/diagrams/scanned_easy/diagrams_36.dot b/test/diagrams/scanned_easy/diagrams_36.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bf72413fbe9d8ce00b73dede0f39c3cb47957ef7
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_36.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=LR
+	N0 [label="Predictive Analytics" color="#61CAC3" fillcolor="#C2E8E6" shape=multipledocuments style=filled]
+	N1 [label="Procurement" color="#FFE69C" fillcolor="#FFF9D4" shape=document style=filled]
+	N2 [label="Production Scheduling Integration" color="#61CAC3" fillcolor="#C2E8E6" shape=action style=filled]
+	N3 [label="Warehouse Automation" color="#FFE69C" fillcolor="#FFF9D4" shape=preparation style=filled]
+	N4 [label="Collaborative Planning" color="#94C0C0" fillcolor="#CADEDE" shape=database style=filled]
+	N5 [label="Supply Chain Visibility" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
+	N6 [label="Blockchain for Traceability" color="#61CAC3" fillcolor="#C2E8E6" shape=hexagon style=filled]
+	N7 [label="Hazardous Materials Handling" color="#FFE69C" fillcolor="#FFF9D4" shape=rect style=filled]
+	N8 [label="Material Flow Management" color="#94C0C0" fillcolor="#CADEDE" shape=action style=filled]
+	N9 [label="Circular Economy Practices" color="#FFE69C" fillcolor="#FFF9D4" shape=database style=filled]
+	N10 [label="Last_Mile Delivery Optimization" color="#FFE69C" fillcolor="#FFF9D4" shape=box style=filled]
+	N0 -> N1 [color="#FFE69C" penwidth=1.5 style=dashed label="regulates" dir=forward]
+	N1 -> N2 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="inspects" dir=forward]
+	N6 -> N7 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#FFE69C" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N8 -> N9 [color="#FFE69C" penwidth=1.5 style=dashed label="returns" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N0 [color="#FFE69C" penwidth=1.5 style=solid label="audits" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_36.txt b/test/diagrams/scanned_easy/diagrams_36.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ffb40dccb437e41045852bbcac2a1222b7b4bad0
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_36.txt
@@ -0,0 +1,11 @@
+<Blockchain for Traceability, connectedTo, Hazardous Materials Handling>
+<Circular Economy Practices, audits, Predictive Analytics>
+<Circular Economy Practices, connectedTo, Last_Mile Delivery Optimization>
+<Collaborative Planning, connectedTo, Supply Chain Visibility>
+<Hazardous Materials Handling, manages, Material Flow Management>
+<Material Flow Management, returns, Circular Economy Practices>
+<Predictive Analytics, regulates, Procurement>
+<Procurement, connectedTo, Production Scheduling Integration>
+<Production Scheduling Integration, connectedTo, Warehouse Automation>
+<Supply Chain Visibility, inspects, Blockchain for Traceability>
+<Warehouse Automation, connectedTo, Collaborative Planning>
diff --git a/test/diagrams/scanned_easy/diagrams_360.txt b/test/diagrams/scanned_easy/diagrams_360.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cb36c47f0f8686ce1ba9a4924fc879e8a3c12360
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_360.txt
@@ -0,0 +1,44 @@
+<Accessibility in EdTech, connectedTo, Curriculum Digitization>
+<Accessibility in EdTech, connectedTo, Digital Textbooks>
+<Accessibility in EdTech, connectedTo, Formative Assessment Tools>
+<Accessibility in EdTech, connectedTo, Learning Management System Development>
+<Accessibility in EdTech, connectedTo, Personalized Learning Paths>
+<Accessibility in EdTech, connectedTo, Teacher Training Platforms>
+<Assessment Tools, connectedTo, Interactive Content Creation>
+<Badging and Certification Systems, connectedTo, Formative Assessment Tools>
+<Blockchain for Educational Credentials, connectedTo, Competency_Based Learning Platforms>
+<Collaborative Learning Platforms, connectedTo, Assessment Tools>
+<Competency_Based Learning Platforms, connectedTo, Machine Learning for Learning Analytics>
+<Curriculum Digitization, connectedTo, Educational Data Mining>
+<Curriculum Digitization, connectedTo, Social_Emotional Learning Tools>
+<Digital Textbooks, connectedTo, Personalized Learning Paths>
+<Educational Apps Development, connectedTo, Simulations for Learning>
+<Educational Data Mining, assesses, Digital Textbooks>
+<Educational Data Mining, connectedTo, Open Educational Resources>
+<Formative Assessment Tools, connectedTo, Interactive Content Creation>
+<Formative Assessment Tools, connectedTo, Open Educational Resources>
+<Interactive Content Creation, connectedTo, Educational Apps Development>
+<Interactive Content Creation, connectedTo, Open Educational Resources>
+<Interactive Content Creation, connectedTo, Simulations for Learning>
+<Interactive Content Creation, connectedTo, Student Performance Tracking>
+<Learning Design Principles, adaptive_learning_enables, Open Educational Resources>
+<Learning Design Principles, connectedTo, Educational Apps Development>
+<Learning Design Principles, connectedTo, Interactive Content Creation>
+<Learning Design Principles, connectedTo, Learning Management System Development>
+<Learning Design Principles, connectedTo, Remote Learning Solutions>
+<Learning Design Principles, connectedTo, Simulations for Learning>
+<Learning Design Principles, connectedTo, Teacher Training Platforms>
+<Learning Management System Development, connectedTo, Open Educational Resources>
+<Learning Management System Development, connectedTo, Teacher Training Platforms>
+<Machine Learning for Learning Analytics, connectedTo, Learning Management System Development>
+<Open Educational Resources, connectedTo, Professional Development for Educators>
+<Open Educational Resources, connectedTo, Student Performance Tracking>
+<Personalized Learning Paths, connectedTo, Badging and Certification Systems>
+<Personalized Learning Paths, connectedTo, Open Educational Resources>
+<Professional Development for Educators, connectedTo, Collaborative Learning Platforms>
+<Remote Learning Solutions, connectedTo, Learning Management System Development>
+<Remote Learning Solutions, connectedTo, Teacher Training Platforms>
+<Remote Learning Solutions, reports, Accessibility in EdTech>
+<Social_Emotional Learning Tools, connectedTo, Blockchain for Educational Credentials>
+<Student Performance Tracking, connectedTo, Educational Apps Development>
+<Teacher Training Platforms, connectedTo, Curriculum Digitization>
diff --git a/test/diagrams/scanned_easy/diagrams_38.dot b/test/diagrams/scanned_easy/diagrams_38.dot
new file mode 100644
index 0000000000000000000000000000000000000000..289c52f61fa2554df6e106c05f99e1ec27cc8668
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_38.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=TB
+	N0 [label="Offshore Operations" color="#7E57C2" fillcolor="#D1C4E9" shape=preparation style=filled]
+	N1 [label="Customs Clearance" color="#7E57C2" fillcolor="#D1C4E9" shape=vnode_shape style=filled]
+	N2 [label="Pilotage" color="#DCE775" fillcolor="#FCFCE7" shape=predefinedprocess style=filled]
+	N3 [label="Fuel Consumption Optimization" color="#7E57C2" fillcolor="#D1C4E9" shape=rectangle style=filled]
+	N4 [label="Dry Docking" color="#7E57C2" fillcolor="#D1C4E9" shape=inputoutput style=filled]
+	N5 [label="Fleet Management" color="#7E57C2" fillcolor="#D1C4E9" shape=inputoutput style=filled]
+	N6 [label="Vessel Chartering" color="#7E57C2" fillcolor="#D1C4E9" shape=rect style=filled]
+	N7 [label="Hydrographic Surveying" color="#FFE470" fillcolor="#FFFAE0" shape=diamond style=filled]
+	N8 [label="Terminal Management" color="#7E57C2" fillcolor="#D1C4E9" shape=inputoutput style=filled]
+	N9 [label="Port Congestion Management" color="#DCE775" fillcolor="#FCFCE7" shape=action style=filled]
+	N10 [label="Port Operations" color="#7E57C2" fillcolor="#D1C4E9" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="operates" dir=forward]
+	N1 -> N2 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#DCE775" penwidth=1.5 style=dashed label="regulates" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="forecasts" dir=forward]
+	N4 -> N5 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="docks" dir=forward]
+	N8 -> N9 [color="#FFE470" penwidth=1.5 style=solid label="communicates" dir=forward]
+	N9 -> N10 [color="#7E57C2" penwidth=1.5 style=solid dir=forward]
+	N8 -> N10 [color="#000000" penwidth=1.5 style=dashed label="manages" dir=forward]
+	N3 -> N8 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_4.dot b/test/diagrams/scanned_easy/diagrams_4.dot
new file mode 100644
index 0000000000000000000000000000000000000000..a5f0772475e8b350bde6b3d4cc442eb07ee92469
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_4.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=BT
+	N0 [label="Online Learning Platform Management" color="#B8C0F5" fillcolor="#ECF0FD" shape=database style=filled]
+	N1 [label="Student Enrollment" color="#FFCC80" fillcolor="#FFF0CC" shape=vnode_shape style=filled]
+	N2 [label="Curriculum Development" color="#26A69A" fillcolor="#E0F2F1" shape=parallelogram style=filled]
+	N3 [label="Club Registration" color="#B8C0F5" fillcolor="#ECF0FD" shape=predefinedprocess style=filled]
+	N4 [label="Course Material Preparation" color="#26A69A" fillcolor="#E0F2F1" shape=parallelogram style=filled]
+	N5 [label="Thesis Submission" color="#26A69A" fillcolor="#E0F2F1" shape=database style=filled]
+	N6 [label="Faculty Recruitment" color="#B8C0F5" fillcolor="#ECF0FD" shape=action style=filled]
+	N7 [label="Alumni Network Management" color="#26A69A" fillcolor="#E0F2F1" shape=rect style=filled]
+	N8 [label="School Accreditation" color="#FFCC80" fillcolor="#FFF0CC" shape=rectangle style=filled]
+	N9 [label="Exam Conduct" color="#26A69A" fillcolor="#E0F2F1" shape=action style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#26A69A" penwidth=1.5 style=dashed label="enrolls" dir=forward]
+	N2 -> N3 [color="#26A69A" penwidth=1.5 style=solid label="trains" dir=forward]
+	N3 -> N4 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#FFCC80" penwidth=1.5 style=solid label="recruits" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="publishes" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="researches" dir=forward]
+	N3 -> N7 [color="#FFCC80" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_4.txt b/test/diagrams/scanned_easy/diagrams_4.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8187d82ec11a78edc6191059ae5df310bca9dcfd
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_4.txt
@@ -0,0 +1,10 @@
+<Alumni Network Management, publishes, School Accreditation>
+<Club Registration, connectedTo, Alumni Network Management>
+<Club Registration, connectedTo, Course Material Preparation>
+<Course Material Preparation, recruits, Thesis Submission>
+<Curriculum Development, trains, Club Registration>
+<Faculty Recruitment, connectedTo, Alumni Network Management>
+<Online Learning Platform Management, connectedTo, Student Enrollment>
+<School Accreditation, researches, Exam Conduct>
+<Student Enrollment, enrolls, Curriculum Development>
+<Thesis Submission, connectedTo, Faculty Recruitment>
diff --git a/test/diagrams/scanned_easy/diagrams_40.dot b/test/diagrams/scanned_easy/diagrams_40.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1d3bd4490736e437a19eba618bf317b965b15954
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_40.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=BT
+	N0 [label="Mitigation Technology Evaluation" color="#AED581" fillcolor="#F0F4C3" shape=diamond style=filled]
+	N1 [label="Glacier Mass Balance Monitoring" color="#90A4AE" fillcolor="#ECEFF1" shape=box style=filled]
+	N2 [label="Paleoclimate Reconstruction" color="#6EB76D" fillcolor="#E9F7E8" shape=preparation style=filled]
+	N3 [label="International Climate Negotiation" color="#90A4AE" fillcolor="#ECEFF1" shape=parallelogram style=filled]
+	N4 [label="Water Resource Management under Climate Change" color="#90A4AE" fillcolor="#ECEFF1" shape=multipledocuments style=filled]
+	N5 [label="Adaptation Strategy Development" color="#AED581" fillcolor="#F0F4C3" shape=ellipse style=filled]
+	N6 [label="Greenhouse Gas Measurement" color="#AED581" fillcolor="#F0F4C3" shape=vnode_shape style=filled]
+	N7 [label="Ice Sheet Dynamics" color="#AED581" fillcolor="#F0F4C3" shape=predefinedprocess style=filled]
+	N8 [label="Climate Finance Tracking" color="#90A4AE" fillcolor="#ECEFF1" shape=parallelogram style=filled]
+	N9 [label="Biodiversity Impact Assessment" color="#90A4AE" fillcolor="#ECEFF1" shape=document style=filled]
+	N10 [label="Permafrost Thaw Assessment" color="#AED581" fillcolor="#F0F4C3" shape=action style=filled]
+	N0 -> N1 [color="#AED581" penwidth=1.5 style=solid label="validates" dir=forward]
+	N1 -> N2 [color="#90A4AE" penwidth=1.5 style=solid label="communicates" dir=forward]
+	N2 -> N3 [color="#AED581" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#AED581" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#90A4AE" penwidth=1.5 style=dashed label="influences" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="interprets" dir=forward]
+	N6 -> N7 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#90A4AE" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed label="predicts" dir=forward]
+	N5 -> N7 [color="#90A4AE" penwidth=1.5 style=solid dir=forward]
+	N4 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_40.txt b/test/diagrams/scanned_easy/diagrams_40.txt
new file mode 100644
index 0000000000000000000000000000000000000000..eb87d90ae82af3b9b80727a588a3e17e04e99db1
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_40.txt
@@ -0,0 +1,12 @@
+<Adaptation Strategy Development, connectedTo, Ice Sheet Dynamics>
+<Adaptation Strategy Development, interprets, Greenhouse Gas Measurement>
+<Biodiversity Impact Assessment, predicts, Permafrost Thaw Assessment>
+<Climate Finance Tracking, connectedTo, Biodiversity Impact Assessment>
+<Glacier Mass Balance Monitoring, communicates, Paleoclimate Reconstruction>
+<Greenhouse Gas Measurement, connectedTo, Ice Sheet Dynamics>
+<Ice Sheet Dynamics, connectedTo, Climate Finance Tracking>
+<International Climate Negotiation, connectedTo, Water Resource Management under Climate Change>
+<Mitigation Technology Evaluation, validates, Glacier Mass Balance Monitoring>
+<Paleoclimate Reconstruction, connectedTo, International Climate Negotiation>
+<Water Resource Management under Climate Change, connectedTo, International Climate Negotiation>
+<Water Resource Management under Climate Change, influences, Adaptation Strategy Development>
diff --git a/test/diagrams/scanned_easy/diagrams_41.txt b/test/diagrams/scanned_easy/diagrams_41.txt
new file mode 100644
index 0000000000000000000000000000000000000000..294b851ddaf61874d8fbc09d4151526cb9271e61
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_41.txt
@@ -0,0 +1,13 @@
+<Aviation Weather Briefing, connectedTo, Mesoscale Meteorology>
+<Climate Change Impact Study, maps, Temperature Monitoring>
+<Drought Monitoring, connectedTo, Nowcasting>
+<Drought Monitoring, monitors, Wind Speed and Direction>
+<Humidity Sensing, connectedTo, Seasonal Outlook Preparation>
+<Lightning Detection, connectedTo, Storm Tracking>
+<Mesoscale Meteorology, connectedTo, Precipitation Measurement>
+<Nowcasting, connectedTo, Aviation Weather Briefing>
+<Precipitation Measurement, alerts, Drought Monitoring>
+<Seasonal Outlook Preparation, distributes, Lightning Detection>
+<Storm Tracking, studies, Climate Change Impact Study>
+<Temperature Monitoring, connectedTo, Mesoscale Meteorology>
+<Wind Speed and Direction, connectedTo, Humidity Sensing>
diff --git a/test/diagrams/scanned_easy/diagrams_42.txt b/test/diagrams/scanned_easy/diagrams_42.txt
new file mode 100644
index 0000000000000000000000000000000000000000..14155fd6c80585edf8c12f8930240fcc6aa3a70a
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_42.txt
@@ -0,0 +1,10 @@
+<Anaerobic Digestion, tracks, Glass Recycling>
+<Container Management, connectedTo, Transfer Station Management>
+<Hazardous Waste Disposal, minimizes, Resource Recovery>
+<Organics Collection, transports, Waste Audit>
+<Recycling Processing, collects, Hazardous Waste Disposal>
+<Resource Recovery, connectedTo, Organics Collection>
+<Transfer Station Management, connectedTo, Anaerobic Digestion>
+<Waste Audit, connectedTo, Container Management>
+<Waste Audit, maintains, Zero Waste Initiatives>
+<Zero Waste Initiatives, segregates, Recycling Processing>
diff --git a/test/diagrams/scanned_easy/diagrams_43.dot b/test/diagrams/scanned_easy/diagrams_43.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1d4d3d9a133d4d7e9d2667ba5a1f627bda37b47a
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_43.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="Ecosystem Protection" color="#B0C5CD" fillcolor="#DFE7EB" shape=vnode_shape style=filled]
+	N1 [label="Billing and Revenue Management" color="#FFC2C2" fillcolor="#FFEBEB" shape=database style=filled]
+	N2 [label="Agricultural Water Use Efficiency" color="#64B5F6" fillcolor="#E3F2FD" shape=action style=filled]
+	N3 [label="Public Awareness Campaigns" color="#FFC2C2" fillcolor="#FFEBEB" shape=hexagon style=filled]
+	N4 [label="Smart Water Networks" color="#64B5F6" fillcolor="#E3F2FD" shape=preparation style=filled]
+	N5 [label="Water Conservation Planning" color="#B0C5CD" fillcolor="#DFE7EB" shape=inputoutput style=filled]
+	N6 [label="Environmental Flow Assessment" color="#64B5F6" fillcolor="#E3F2FD" shape=rectangle style=filled]
+	N7 [label="Groundwater Management" color="#64B5F6" fillcolor="#E3F2FD" shape=preparation style=filled]
+	N0 -> N1 [color="#B0C5CD" penwidth=1.5 style=dashed label="permits" dir=forward]
+	N1 -> N2 [color="#FFC2C2" penwidth=1.5 style=solid label="irrigates" dir=forward]
+	N2 -> N3 [color="#64B5F6" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFC2C2" penwidth=1.5 style=dashed label="conserves" dir=forward]
+	N4 -> N5 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFC2C2" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#B0C5CD" penwidth=1.5 style=dashed label="audits" dir=forward]
+	N6 -> N4 [color="#64B5F6" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_43.txt b/test/diagrams/scanned_easy/diagrams_43.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d4d830762c88c04ff0a8c692b69cc1a716bdb964
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_43.txt
@@ -0,0 +1,8 @@
+<Agricultural Water Use Efficiency, connectedTo, Public Awareness Campaigns>
+<Billing and Revenue Management, irrigates, Agricultural Water Use Efficiency>
+<Ecosystem Protection, permits, Billing and Revenue Management>
+<Environmental Flow Assessment, audits, Groundwater Management>
+<Environmental Flow Assessment, connectedTo, Smart Water Networks>
+<Public Awareness Campaigns, conserves, Smart Water Networks>
+<Smart Water Networks, connectedTo, Water Conservation Planning>
+<Water Conservation Planning, connectedTo, Environmental Flow Assessment>
diff --git a/test/diagrams/scanned_easy/diagrams_44.dot b/test/diagrams/scanned_easy/diagrams_44.dot
new file mode 100644
index 0000000000000000000000000000000000000000..bb24c97f4c9cca6180cdf63c4d00030fc13208ad
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_44.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TB
+	N0 [label="Construction Waste Recycling" color="#FFD54F" fillcolor="#FFF8E1" shape=parallelogram style=filled]
+	N1 [label="Energy Recovery from Non_Recyclables" color="#7986CB" fillcolor="#E8EAF6" shape=rect style=filled]
+	N2 [label="Sorting and Segregation" color="#7986CB" fillcolor="#E8EAF6" shape=preparation style=filled]
+	N3 [label="New Product Manufacturing" color="#7986CB" fillcolor="#E8EAF6" shape=parallelogram style=filled]
+	N4 [label="End_of_Life Product Management" color="#7986CB" fillcolor="#E8EAF6" shape=diamond style=filled]
+	N5 [label="Commercial Recycling Solutions" color="#03A9F4" fillcolor="#B3E5FC" shape=inputoutput style=filled]
+	N6 [label="Tyre Recycling" color="#FFD54F" fillcolor="#FFF8E1" shape=multipledocuments style=filled]
+	N7 [label="Recycling Market Development" color="#03A9F4" fillcolor="#B3E5FC" shape=inputoutput style=filled]
+	N8 [label="Circular Economy Implementation" color="#FFD54F" fillcolor="#FFF8E1" shape=database style=filled]
+	N9 [label="Composting Organic Waste" color="#FFD54F" fillcolor="#FFF8E1" shape=box style=filled]
+	N10 [label="Mechanical Recycling" color="#7986CB" fillcolor="#E8EAF6" shape=document style=filled]
+	N11 [label="Reprocessing into Raw Material" color="#FFD54F" fillcolor="#FFF8E1" shape=parallelogram style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FFD54F" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="cleans" dir=forward]
+	N3 -> N4 [color="#FFD54F" penwidth=1.5 style=solid label="classifies" dir=forward]
+	N4 -> N5 [color="#03A9F4" penwidth=1.5 style=solid label="minimizes" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="segregates" dir=forward]
+	N6 -> N7 [color="#FFD54F" penwidth=1.5 style=dashed label="educates" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#03A9F4" penwidth=1.5 style=dashed label="treats" dir=forward]
+	N9 -> N10 [color="#03A9F4" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#7986CB" penwidth=1.5 style=solid dir=forward]
+	N11 -> N3 [color="#000000" penwidth=1.5 style=dashed label="finances" dir=forward]
+	N2 -> N10 [color="#000000" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_44.txt b/test/diagrams/scanned_easy/diagrams_44.txt
new file mode 100644
index 0000000000000000000000000000000000000000..074776c2ca9163ade744495aea617afc9f2c6f57
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_44.txt
@@ -0,0 +1,13 @@
+<Circular Economy Implementation, treats, Composting Organic Waste>
+<Commercial Recycling Solutions, segregates, Tyre Recycling>
+<Composting Organic Waste, connectedTo, Mechanical Recycling>
+<Construction Waste Recycling, connectedTo, Energy Recovery from Non_Recyclables>
+<End_of_Life Product Management, minimizes, Commercial Recycling Solutions>
+<Energy Recovery from Non_Recyclables, connectedTo, Sorting and Segregation>
+<Mechanical Recycling, connectedTo, Reprocessing into Raw Material>
+<New Product Manufacturing, classifies, End_of_Life Product Management>
+<Recycling Market Development, connectedTo, Circular Economy Implementation>
+<Reprocessing into Raw Material, finances, New Product Manufacturing>
+<Sorting and Segregation, cleans, New Product Manufacturing>
+<Sorting and Segregation, connectedTo, Mechanical Recycling>
+<Tyre Recycling, educates, Recycling Market Development>
diff --git a/test/diagrams/scanned_easy/diagrams_45.txt b/test/diagrams/scanned_easy/diagrams_45.txt
new file mode 100644
index 0000000000000000000000000000000000000000..eb1d9939b68dcc310fea514e7d9c7e41796839e4
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_45.txt
@@ -0,0 +1,10 @@
+<Biodiversity Conservation in Forests, measures, Forest Fire Management>
+<Carbon Sequestration Monitoring, connectedTo, Forestry Policy Development>
+<Carbon Sequestration Monitoring, removes, Tree Planting>
+<Forest Fire Management, cultivates, Carbon Sequestration Monitoring>
+<Forest Road Construction, regulates, Tree Planting>
+<Forestry Policy Development, connectedTo, Public Access Management>
+<Public Access Management, prevents, Forest Road Construction>
+<Tree Nursery Management, connectedTo, Carbon Sequestration Monitoring>
+<Tree Nursery Management, maps, Erosion Control>
+<Tree Planting, connectedTo, Tree Nursery Management>
diff --git a/test/diagrams/scanned_easy/diagrams_46.txt b/test/diagrams/scanned_easy/diagrams_46.txt
new file mode 100644
index 0000000000000000000000000000000000000000..98609ad3f2fa9f896109d2765d6f0f0560f0648d
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_46.txt
@@ -0,0 +1,9 @@
+<Anesthesia Administration, connectedTo, Emergency Vet Services>
+<Animal Welfare Assessment, connectedTo, Livestock Disease Prevention>
+<Emergency Vet Services, anesthetizes, Nutritional Counseling>
+<Euthanasia Services, connectedTo, Anesthesia Administration>
+<Laboratory Testing, prescribes, Medical Treatment>
+<Livestock Disease Prevention, connectedTo, Anesthesia Administration>
+<Livestock Disease Prevention, operates, Animal Welfare Assessment>
+<Medical Treatment, performs, Euthanasia Services>
+<Nutritional Counseling, manages, Livestock Disease Prevention>
diff --git a/test/diagrams/scanned_easy/diagrams_47.txt b/test/diagrams/scanned_easy/diagrams_47.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3efb08e3ca90f8f47c6435fdac0a5a5daee90ea8
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_47.txt
@@ -0,0 +1,13 @@
+<After_School Programs, complies, Behavior Management>
+<After_School Programs, connectedTo, Story Time Reading>
+<Behavior Management, connectedTo, Creative Arts Activities>
+<Child Development Assessment, connectedTo, Parent Communication>
+<Child Psychology Application, connectedTo, Field Trip Organization>
+<Creative Arts Activities, nurtures, First Aid Administration>
+<Early Literacy Programs, inspects, Infant Care>
+<Field Trip Organization, certifies, Learning Material Selection>
+<Field Trip Organization, connectedTo, Behavior Management>
+<First Aid Administration, connectedTo, Child Psychology Application>
+<Infant Care, reports, Story Time Reading>
+<Learning Material Selection, accommodates, Child Development Assessment>
+<Story Time Reading, cleans, After_School Programs>
diff --git a/test/diagrams/scanned_easy/diagrams_49.txt b/test/diagrams/scanned_easy/diagrams_49.txt
new file mode 100644
index 0000000000000000000000000000000000000000..791f20ed0f9a6426a230dc0a083d18ee5577ef37
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_49.txt
@@ -0,0 +1,12 @@
+<Capacity Building for Local Communities, prevents, Medical Aid Deployment>
+<Cash Transfer Programs, identifies, Capacity Building for Local Communities>
+<Damage Assessment, rebuilds, Resource Mobilization>
+<International Aid Coordination, connectedTo, Recovery Planning>
+<Medical Aid Deployment, audits, Damage Assessment>
+<Medical Aid Deployment, donates, Risk Assessment>
+<Recovery Planning, connectedTo, Satellite Imagery Analysis>
+<Resource Mobilization, mobilizes, Search and Rescue Operations>
+<Risk Assessment, connectedTo, International Aid Coordination>
+<Satellite Imagery Analysis, connectedTo, Volunteer Coordination>
+<Search and Rescue Operations, connectedTo, Cash Transfer Programs>
+<Volunteer Coordination, rescues, Damage Assessment>
diff --git a/test/diagrams/scanned_easy/diagrams_50.txt b/test/diagrams/scanned_easy/diagrams_50.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7c12adc3c985c0881b9cf8e41d924c661cf007fa
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_50.txt
@@ -0,0 +1,9 @@
+<Counter_Terrorism Operations, connectedTo, Rules of Engagement>
+<Logistics Support, maps, Unmanned Systems Operation>
+<Naval Operations, reports, Supply Chain Management>
+<Personnel Management, connectedTo, Specialized Training>
+<Recruitment, connectedTo, Personnel Management>
+<Rules of Engagement, analyzes, Recruitment>
+<Rules of Engagement, connectedTo, Specialized Training>
+<Supply Chain Management, interdicts, Logistics Support>
+<Unmanned Systems Operation, supplies, Counter_Terrorism Operations>
diff --git a/test/diagrams/scanned_easy/diagrams_51.dot b/test/diagrams/scanned_easy/diagrams_51.dot
new file mode 100644
index 0000000000000000000000000000000000000000..1bbfc362abb9bee22d13660d5bc35f162358a81b
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_51.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=BT
+	N0 [label="Flight Planning" color="#FFF9AE" fillcolor="#FFFCE6" shape=database style=filled]
+	N1 [label="Air Cargo Logistics" color="#FFF9AE" fillcolor="#FFFCE6" shape=rectangle style=filled]
+	N2 [label="Air Traffic Control" color="#3F51B5" fillcolor="#C5CAE9" shape=predefinedprocess style=filled]
+	N3 [label="Crew Resource Management" color="#FFF9AE" fillcolor="#FFFCE6" shape=ellipse style=filled]
+	N4 [label="Aircraft De_icing" color="#FFF9AE" fillcolor="#FFFCE6" shape=predefinedprocess style=filled]
+	N5 [label="Avionics Repair" color="#3F51B5" fillcolor="#C5CAE9" shape=predefinedprocess style=filled]
+	N6 [label="Next_Generation Air Traffic Management" color="#3F51B5" fillcolor="#C5CAE9" shape=rect style=filled]
+	N7 [label="Aerospace Engineering" color="#FFF9AE" fillcolor="#FFFCE6" shape=preparation style=filled]
+	N8 [label="Fleet Management" color="#3F51B5" fillcolor="#C5CAE9" shape=rect style=filled]
+	N9 [label="Passenger Check_in" color="#388E3C" fillcolor="#F1F8E9" shape=action style=filled]
+	N0 -> N1 [color="#FFF9AE" penwidth=1.5 style=dashed label="audits" dir=forward]
+	N1 -> N2 [color="#FFF9AE" penwidth=1.5 style=dashed label="trains" dir=forward]
+	N2 -> N3 [color="#FFF9AE" penwidth=1.5 style=dashed label="assembles" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=solid label="manufactures" dir=forward]
+	N4 -> N5 [color="#388E3C" penwidth=1.5 style=dashed label="schedules" dir=forward]
+	N5 -> N6 [color="#3F51B5" penwidth=1.5 style=dashed label="routes" dir=forward]
+	N6 -> N7 [color="#388E3C" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="inspects" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N4 -> N7 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_51.txt b/test/diagrams/scanned_easy/diagrams_51.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3f15088830d24a7b08dd0da411759e6555bc6d38
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_51.txt
@@ -0,0 +1,10 @@
+<Aerospace Engineering, inspects, Fleet Management>
+<Air Cargo Logistics, trains, Air Traffic Control>
+<Air Traffic Control, assembles, Crew Resource Management>
+<Aircraft De_icing, connectedTo, Aerospace Engineering>
+<Aircraft De_icing, schedules, Avionics Repair>
+<Avionics Repair, routes, Next_Generation Air Traffic Management>
+<Crew Resource Management, manufactures, Aircraft De_icing>
+<Fleet Management, connectedTo, Passenger Check_in>
+<Flight Planning, audits, Air Cargo Logistics>
+<Next_Generation Air Traffic Management, connectedTo, Aerospace Engineering>
diff --git a/test/diagrams/scanned_easy/diagrams_52.dot b/test/diagrams/scanned_easy/diagrams_52.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d2d49ab28ac128eb798fd6c7855430717508be51
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_52.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=LR
+	N0 [label="Navigation Data Update" color="#4CAF50" fillcolor="#C8E6C9" shape=preparation style=filled]
+	N1 [label="Cycle Route Planning" color="#B8C0F5" fillcolor="#ECF0FD" shape=document style=filled]
+	N2 [label="Voice Guidance Customization" color="#B8C0F5" fillcolor="#ECF0FD" shape=predefinedprocess style=filled]
+	N3 [label="Autonomous Vehicle Navigation" color="#B8C0F5" fillcolor="#ECF0FD" shape=hexagon style=filled]
+	N4 [label="GPS Positioning" color="#B8C0F5" fillcolor="#ECF0FD" shape=diamond style=filled]
+	N5 [label="Topographic Mapping" color="#4CAF50" fillcolor="#C8E6C9" shape=rect style=filled]
+	N6 [label="Offline Map Support" color="#73C6BC" fillcolor="#D0EFEE" shape=hexagon style=filled]
+	N7 [label="Route Calculation" color="#73C6BC" fillcolor="#D0EFEE" shape=preparation style=filled]
+	N8 [label="Personalized Route Preferences" color="#73C6BC" fillcolor="#D0EFEE" shape=predefinedprocess style=filled]
+	N9 [label="Wearable Device Navigation" color="#B8C0F5" fillcolor="#ECF0FD" shape=ellipse style=filled]
+	N10 [label="ETA Estimation" color="#4CAF50" fillcolor="#C8E6C9" shape=ellipse style=filled]
+	N11 [label="Points of Interest Search" color="#73C6BC" fillcolor="#D0EFEE" shape=action style=filled]
+	N0 -> N1 [color="#73C6BC" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#B8C0F5" penwidth=1.5 style=dashed label="monitors" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#B8C0F5" penwidth=1.5 style=dashed label="interprets" dir=forward]
+	N5 -> N6 [color="#4CAF50" penwidth=1.5 style=dashed label="plots" dir=forward]
+	N6 -> N7 [color="#73C6BC" penwidth=1.5 style=solid label="integrates" dir=forward]
+	N7 -> N8 [color="#73C6BC" penwidth=1.5 style=solid label="tracks" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="verifies" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=solid label="displays" dir=forward]
+	N10 -> N11 [color="#B8C0F5" penwidth=1.5 style=solid label="orients" dir=forward]
+	N8 -> N11 [color="#B8C0F5" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_53.dot b/test/diagrams/scanned_easy/diagrams_53.dot
new file mode 100644
index 0000000000000000000000000000000000000000..69fa8b27e875e5b7217dd5d223681f16459d4151
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_53.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Selective Laser Sintering" color="#D3EB9F" fillcolor="#F8FDD3" shape=document style=filled]
+	N1 [label="Construction 3D Printing" color="#FBC02D" fillcolor="#FFFDE7" shape=rect style=filled]
+	N2 [label="Rapid Manufacturing" color="#73C6BC" fillcolor="#D0EFEE" shape=preparation style=filled]
+	N3 [label="Multi_Material Printing" color="#FBC02D" fillcolor="#FFFDE7" shape=multipledocuments style=filled]
+	N4 [label="Post_Processing" color="#FBC02D" fillcolor="#FFFDE7" shape=action style=filled]
+	N5 [label="Aerospace Part Production" color="#D3EB9F" fillcolor="#F8FDD3" shape=rect style=filled]
+	N6 [label="Slicing Software Operation" color="#73C6BC" fillcolor="#D0EFEE" shape=inputoutput style=filled]
+	N7 [label="Printing Parameter Optimization" color="#FBC02D" fillcolor="#FFFDE7" shape=parallelogram style=filled]
+	N8 [label="Quality Control" color="#73C6BC" fillcolor="#D0EFEE" shape=document style=filled]
+	N9 [label="Bioprinting" color="#73C6BC" fillcolor="#D0EFEE" shape=rect style=filled]
+	N10 [label="Digital Twin for 3D Prints" color="#D3EB9F" fillcolor="#F8FDD3" shape=rectangle style=filled]
+	N0 -> N1 [color="#D3EB9F" penwidth=1.5 style=dashed label="troubleshoots" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#D3EB9F" penwidth=1.5 style=solid label="automates" dir=forward]
+	N3 -> N4 [color="#FBC02D" penwidth=1.5 style=solid label="duplicates" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="scans" dir=forward]
+	N5 -> N6 [color="#D3EB9F" penwidth=1.5 style=solid label="repairs" dir=forward]
+	N6 -> N7 [color="#73C6BC" penwidth=1.5 style=solid label="licenses" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#D3EB9F" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#D3EB9F" penwidth=1.5 style=dashed label="customizes" dir=forward]
+	N2 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N1 [color="#000000" penwidth=1.5 style=solid label="enhances" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_53.txt b/test/diagrams/scanned_easy/diagrams_53.txt
new file mode 100644
index 0000000000000000000000000000000000000000..79f9e64054c933b502fff5b6bb9730c2660174fb
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_53.txt
@@ -0,0 +1,12 @@
+<Aerospace Part Production, repairs, Slicing Software Operation>
+<Bioprinting, customizes, Digital Twin for 3D Prints>
+<Bioprinting, enhances, Construction 3D Printing>
+<Construction 3D Printing, connectedTo, Rapid Manufacturing>
+<Multi_Material Printing, duplicates, Post_Processing>
+<Post_Processing, scans, Aerospace Part Production>
+<Printing Parameter Optimization, connectedTo, Quality Control>
+<Quality Control, connectedTo, Bioprinting>
+<Rapid Manufacturing, automates, Multi_Material Printing>
+<Rapid Manufacturing, connectedTo, Post_Processing>
+<Selective Laser Sintering, troubleshoots, Construction 3D Printing>
+<Slicing Software Operation, licenses, Printing Parameter Optimization>
diff --git a/test/diagrams/scanned_easy/diagrams_54.txt b/test/diagrams/scanned_easy/diagrams_54.txt
new file mode 100644
index 0000000000000000000000000000000000000000..57897b8b111b3c88f8ac26c811955ad44f3312a8
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_54.txt
@@ -0,0 +1,10 @@
+<Biosensors, connectedTo, Scanning Electron Microscopy>
+<Nanocoatings, protects, Nanodevice Fabrication>
+<Nanocomposites, connectedTo, Nanomaterial Synthesis>
+<Nanocomposites, connectedTo, Scanning Electron Microscopy>
+<Nanodevice Fabrication, functionalizes, Nanocomposites>
+<Nanomaterial Synthesis, applies, Biosensors>
+<Nanoscale Imaging, analyzes, Scanning Electron Microscopy>
+<Nanoscale Imaging, cleans, Nanosensors>
+<Nanosensors, monitors, Nanotoxicology>
+<Scanning Electron Microscopy, connectedTo, Nanoscale Imaging>
diff --git a/test/diagrams/scanned_easy/diagrams_55.txt b/test/diagrams/scanned_easy/diagrams_55.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b6bfea32762e737f0c9a048d5532f3542a73ec59
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_55.txt
@@ -0,0 +1,11 @@
+<Cryogenic Systems for Qubits, verifies, Quantum Entanglement Generation>
+<Quantum Algorithm Development, connectedTo, Quantum Circuit Design>
+<Quantum Circuit Design, programs, Quantum Network Development>
+<Quantum Cloud Computing Services, configures, Quantum Coherence Management>
+<Quantum Coherence Management, connectedTo, Quantum Algorithm Development>
+<Quantum Cryptography, connectedTo, Vacuum Systems for Trapped Ions>
+<Quantum Entanglement Generation, connectedTo, Vacuum Systems for Trapped Ions>
+<Quantum Entanglement Generation, optimizes, Quantum Programming Languages>
+<Quantum Network Development, applies, Cryogenic Systems for Qubits>
+<Vacuum Systems for Trapped Ions, connectedTo, Quantum Coherence Management>
+<Vacuum Systems for Trapped Ions, encrypts, Quantum Cloud Computing Services>
diff --git a/test/diagrams/scanned_easy/diagrams_57.dot b/test/diagrams/scanned_easy/diagrams_57.dot
new file mode 100644
index 0000000000000000000000000000000000000000..361beac71d1f3696cc2b06a1440d6948caf73bbc
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_57.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=TB
+	N0 [label="Game Balancing" color="#D2D2D2" fillcolor="#F0F0F0" shape=predefinedprocess style=filled]
+	N1 [label="Motion Capture" color="#61CAC3" fillcolor="#C2E8E6" shape=preparation style=filled]
+	N2 [label="Narrative Design" color="#D2D2D2" fillcolor="#F0F0F0" shape=multipledocuments style=filled]
+	N3 [label="Quality Assurance Testing" color="#61CAC3" fillcolor="#C2E8E6" shape=vnode_shape style=filled]
+	N4 [label="Anti_Cheat Development" color="#61CAC3" fillcolor="#C2E8E6" shape=rect style=filled]
+	N5 [label="Community Management" color="#61CAC3" fillcolor="#C2E8E6" shape=box style=filled]
+	N6 [label="Mobile Game Development" color="#FFE69C" fillcolor="#FFF9D4" shape=rect style=filled]
+	N7 [label="Game Publishing" color="#61CAC3" fillcolor="#C2E8E6" shape=rectangle style=filled]
+	N8 [label="Voice Acting" color="#61CAC3" fillcolor="#C2E8E6" shape=document style=filled]
+	N9 [label="Bug Fixing" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N10 [label="Art Direction" color="#61CAC3" fillcolor="#C2E8E6" shape=rect style=filled]
+	N11 [label="Game Analytics" color="#D2D2D2" fillcolor="#F0F0F0" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#61CAC3" penwidth=1.5 style=solid label="interacts" dir=forward]
+	N2 -> N3 [color="#FFE69C" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFE69C" penwidth=1.5 style=dashed label="engineers" dir=forward]
+	N6 -> N7 [color="#FFE69C" penwidth=1.5 style=dashed label="updates" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="creates" dir=forward]
+	N8 -> N9 [color="#61CAC3" penwidth=1.5 style=solid label="innovates" dir=forward]
+	N9 -> N10 [color="#D2D2D2" penwidth=1.5 style=solid label="develops" dir=forward]
+	N10 -> N11 [color="#FFE69C" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N7 [color="#61CAC3" penwidth=1.5 style=dashed label="tests" dir=forward]
+	N8 -> N11 [color="#61CAC3" penwidth=1.5 style=dashed label="analyzes" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_57.txt b/test/diagrams/scanned_easy/diagrams_57.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a60bcff796bf990fb87b26b93e99da70defb8917
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_57.txt
@@ -0,0 +1,13 @@
+<Anti_Cheat Development, connectedTo, Community Management>
+<Art Direction, connectedTo, Game Analytics>
+<Bug Fixing, develops, Art Direction>
+<Community Management, engineers, Mobile Game Development>
+<Community Management, tests, Game Publishing>
+<Game Balancing, connectedTo, Motion Capture>
+<Game Publishing, creates, Voice Acting>
+<Mobile Game Development, updates, Game Publishing>
+<Motion Capture, interacts, Narrative Design>
+<Narrative Design, connectedTo, Quality Assurance Testing>
+<Quality Assurance Testing, connectedTo, Anti_Cheat Development>
+<Voice Acting, analyzes, Game Analytics>
+<Voice Acting, innovates, Bug Fixing>
diff --git a/test/diagrams/scanned_easy/diagrams_58.txt b/test/diagrams/scanned_easy/diagrams_58.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a4d67b00cb481fad51ababa4f4bfaf029dd28926
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_58.txt
@@ -0,0 +1,10 @@
+<A&R, records, Ticketing>
+<Lyric Writing, critiques, Merchandise Sales>
+<Lyric Writing, syncs, Music Licensing>
+<Mastering, learns, Music Festival Organization>
+<Merchandise Sales, connectedTo, A&R>
+<Music Festival Organization, connectedTo, Lyric Writing>
+<Music Licensing, connectedTo, Concert Promotion>
+<Music Publishing, connectedTo, Music Licensing>
+<Recording, arranges, Mastering>
+<Ticketing, scores, Music Publishing>
diff --git a/test/diagrams/scanned_easy/diagrams_59.dot b/test/diagrams/scanned_easy/diagrams_59.dot
new file mode 100644
index 0000000000000000000000000000000000000000..425a6107256b311cd4c6f678fbf593e3e7fb2d33
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_59.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=LR
+	N0 [label="Location Scouting" color="#4DD0E1" fillcolor="#C9F0F0" shape=predefinedprocess style=filled]
+	N1 [label="Talent Negotiation" color="#4DD0E1" fillcolor="#C9F0F0" shape=parallelogram style=filled]
+	N2 [label="Production Scheduling" color="#4DD0E1" fillcolor="#C9F0F0" shape=document style=filled]
+	N3 [label="Screenwriting Workshops" color="#4DD0E1" fillcolor="#C9F0F0" shape=inputoutput style=filled]
+	N4 [label="Pre_production Planning" color="#4DD0E1" fillcolor="#C9F0F0" shape=action style=filled]
+	N5 [label="Makeup and Hair Design" color="#4DD0E1" fillcolor="#C9F0F0" shape=hexagon style=filled]
+	N6 [label="Film Financing" color="#4DD0E1" fillcolor="#C9F0F0" shape=ellipse style=filled]
+	N7 [label="Costume Design" color="#A188D0" fillcolor="#DACBE3" shape=multipledocuments style=filled]
+	N8 [label="Distribution Strategy" color="#4DD0E1" fillcolor="#C9F0F0" shape=preparation style=filled]
+	N9 [label="Prop Management" color="#4DD0E1" fillcolor="#C9F0F0" shape=multipledocuments style=filled]
+	N0 -> N1 [color="#A188D0" penwidth=1.5 style=dashed label="distributes" dir=forward]
+	N1 -> N2 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#4DD0E1" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#A188D0" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="scores" dir=forward]
+	N5 -> N6 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#A188D0" penwidth=1.5 style=solid label="records" dir=forward]
+	N8 -> N9 [color="#BCB88A" penwidth=1.5 style=dashed dir=forward]
+	N5 -> N0 [color="#A188D0" penwidth=1.5 style=solid label="edits" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_62.txt b/test/diagrams/scanned_easy/diagrams_62.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b1ffe0022828a726cb1e56eb3a733d0f1ccecc4a
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_62.txt
@@ -0,0 +1,13 @@
+<Competitive Analysis, monitors, Cloud BI Solutions>
+<Competitive Analysis, plans, Report Automation>
+<Data Governance Policies, connectedTo, Cloud BI Solutions>
+<Data Quality Management, connectedTo, Competitive Analysis>
+<KPI Definition, connectedTo, Regulatory Compliance Reporting>
+<Market Trend Analysis, transforms, Sales Forecasting>
+<OLAP Cube Creation, audits, Data Quality Management>
+<OLAP Cube Creation, connectedTo, Prescriptive Analytics Implementation>
+<Prescriptive Analytics Implementation, reports, User Training and Support>
+<Regulatory Compliance Reporting, extracts, Data Governance Policies>
+<Report Automation, measures, Prescriptive Analytics Implementation>
+<Sales Forecasting, defines, KPI Definition>
+<User Training and Support, connectedTo, Market Trend Analysis>
diff --git a/test/diagrams/scanned_easy/diagrams_64.dot b/test/diagrams/scanned_easy/diagrams_64.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8620892150151c050bb71fdf15471d876703b2a1
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_64.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=LR
+	N0 [label="Performance Tracking" color="#DCE775" fillcolor="#FCFCE7" shape=parallelogram style=filled]
+	N1 [label="Regulatory Compliance for Ads" color="#FFCC7A" fillcolor="#FFF6D9" shape=inputoutput style=filled]
+	N2 [label="Psychographic Targeting" color="#DCE775" fillcolor="#FCFCE7" shape=action style=filled]
+	N3 [label="Digital Advertising" color="#FFCC7A" fillcolor="#FFF6D9" shape=hexagon style=filled]
+	N4 [label="Fraud Detection in Ads" color="#A1D7CD" fillcolor="#EDF5F3" shape=inputoutput style=filled]
+	N5 [label="Return on Ad Spend Calculation" color="#A1D7CD" fillcolor="#EDF5F3" shape=action style=filled]
+	N6 [label="Ad Analytics Reporting" color="#A1D7CD" fillcolor="#EDF5F3" shape=preparation style=filled]
+	N7 [label="Display Advertising" color="#FFCC7A" fillcolor="#FFF6D9" shape=parallelogram style=filled]
+	N8 [label="Video Advertising" color="#A1D7CD" fillcolor="#EDF5F3" shape=document style=filled]
+	N9 [label="Direct Response Campaigns" color="#DCE775" fillcolor="#FCFCE7" shape=database style=filled]
+	N10 [label="Outdoor Advertising" color="#DCE775" fillcolor="#FCFCE7" shape=hexagon style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=dashed label="print advertising" dir=forward]
+	N1 -> N2 [color="#A1D7CD" penwidth=1.5 style=dashed label="digital advertising" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#A1D7CD" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#A1D7CD" penwidth=1.5 style=dashed label="ensures compliance" dir=forward]
+	N6 -> N7 [color="#FFCC7A" penwidth=1.5 style=dashed label="implements retargeting" dir=forward]
+	N7 -> N8 [color="#A1D7CD" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N9 -> N10 [color="#A1D7CD" penwidth=1.5 style=dashed label="builds awareness" dir=forward]
+	N6 -> N1 [color="#FFCC7A" penwidth=1.5 style=solid dir=forward]
+	N7 -> N3 [color="#DCE775" penwidth=1.5 style=dashed label="interprets analytics" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_65.dot b/test/diagrams/scanned_easy/diagrams_65.dot
new file mode 100644
index 0000000000000000000000000000000000000000..21ea32c09928eb7fafba9502b28ffc879defbc16
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_65.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=BT
+	N0 [label="Mining Operations" color="#00BCD4" fillcolor="#B2EBF2" shape=action style=filled]
+	N1 [label="Supply Chain Traceability" color="#FFF176" fillcolor="#FFFDE7" shape=box style=filled]
+	N2 [label="Public Blockchain Deployment" color="#BDAFA8" fillcolor="#E4E0DF" shape=diamond style=filled]
+	N3 [label="Distributed Ledger Technology" color="#00BCD4" fillcolor="#B2EBF2" shape=multipledocuments style=filled]
+	N4 [label="Gaming on Blockchain" color="#00BCD4" fillcolor="#B2EBF2" shape=parallelogram style=filled]
+	N5 [label="Decentralized Network Design" color="#00BCD4" fillcolor="#B2EBF2" shape=diamond style=filled]
+	N6 [label="Healthcare Data Management" color="#FFF176" fillcolor="#FFFDE7" shape=hexagon style=filled]
+	N7 [label="Scalability Solutions" color="#00BCD4" fillcolor="#B2EBF2" shape=preparation style=filled]
+	N8 [label="Intellectual Property Management" color="#FFF176" fillcolor="#FFFDE7" shape=vnode_shape style=filled]
+	N9 [label="Voting Systems on Blockchain" color="#BDAFA8" fillcolor="#E4E0DF" shape=database style=filled]
+	N0 -> N1 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#BDAFA8" penwidth=1.5 style=dashed label="processes payments" dir=forward]
+	N2 -> N3 [color="#00BCD4" penwidth=1.5 style=solid label="optimizes energy" dir=forward]
+	N3 -> N4 [color="#FFF176" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#BDAFA8" penwidth=1.5 style=solid label="facilitates finance" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="protects IPs" dir=forward]
+	N6 -> N7 [color="#00BCD4" penwidth=1.5 style=solid label="audits code" dir=forward]
+	N7 -> N8 [color="#BDAFA8" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+	N5 -> N7 [color="#FFF176" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_65.txt b/test/diagrams/scanned_easy/diagrams_65.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1a705fbadf4f406af597b30fd952ede16b2847b1
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_65.txt
@@ -0,0 +1,10 @@
+<Decentralized Network Design, connectedTo, Scalability Solutions>
+<Decentralized Network Design, protects IPs, Healthcare Data Management>
+<Distributed Ledger Technology, connectedTo, Gaming on Blockchain>
+<Gaming on Blockchain, facilitates finance, Decentralized Network Design>
+<Healthcare Data Management, audits code, Scalability Solutions>
+<Intellectual Property Management, connectedTo, Voting Systems on Blockchain>
+<Mining Operations, connectedTo, Supply Chain Traceability>
+<Public Blockchain Deployment, optimizes energy, Distributed Ledger Technology>
+<Scalability Solutions, connectedTo, Intellectual Property Management>
+<Supply Chain Traceability, processes payments, Public Blockchain Deployment>
diff --git a/test/diagrams/scanned_easy/diagrams_66.txt b/test/diagrams/scanned_easy/diagrams_66.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8e45b1a0a4929152bb4c8cc34d21ea54a9b1ef21
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_66.txt
@@ -0,0 +1,8 @@
+<Airdrop Campaigns, connectedTo, Cold Storage Solutions>
+<Coin Creation, lists assets, Exchange Listing>
+<Cold Storage Solutions, provides liquidity, Decentralized Autonomous Organizations>
+<Decentralized Autonomous Organizations, calculates taxes, Coin Creation>
+<Decentralized Autonomous Organizations, develops GameFi, Exchange Listing>
+<Exchange Listing, connectedTo, Tax Reporting for Crypto>
+<Hot Wallet Security, enables swaps, Airdrop Campaigns>
+<Tax Reporting for Crypto, connectedTo, Token Generation Event>
diff --git a/test/diagrams/scanned_easy/diagrams_68.dot b/test/diagrams/scanned_easy/diagrams_68.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d510d3aedd94377c4ca3580bf4173783d2877169
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_68.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=LR
+	N0 [label="Interoperability Standards" color="#FFB74D" fillcolor="#FFF3E0" shape=database style=filled]
+	N1 [label="Cloud Platform Integration" color="#94C0C0" fillcolor="#CADEDE" shape=document style=filled]
+	N2 [label="Blockchain for IoT Security" color="#94C0C0" fillcolor="#CADEDE" shape=multipledocuments style=filled]
+	N3 [label="Smart Home Devices" color="#FFB74D" fillcolor="#FFF3E0" shape=vnode_shape style=filled]
+	N4 [label="User Interface for IoT Apps" color="#A188D0" fillcolor="#DACBE3" shape=rectangle style=filled]
+	N5 [label="Asset Tracking" color="#A188D0" fillcolor="#DACBE3" shape=predefinedprocess style=filled]
+	N6 [label="Energy Management Systems" color="#94C0C0" fillcolor="#CADEDE" shape=hexagon style=filled]
+	N7 [label="Firmware Updates" color="#94C0C0" fillcolor="#CADEDE" shape=preparation style=filled]
+	N8 [label="Device Management" color="#94C0C0" fillcolor="#CADEDE" shape=parallelogram style=filled]
+	N9 [label="AI at the Edge" color="#A188D0" fillcolor="#DACBE3" shape=action style=filled]
+	N0 -> N1 [color="#94C0C0" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFB74D" penwidth=1.5 style=solid label="manages deployments" dir=forward]
+	N4 -> N5 [color="#FFB74D" penwidth=1.5 style=dashed label="improves retail" dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=dashed label="connects endpoints" dir=forward]
+	N6 -> N7 [color="#94C0C0" penwidth=1.5 style=solid label="controls devices" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#94C0C0" penwidth=1.5 style=solid dir=forward]
+	N0 -> N6 [color="#A188D0" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_69.dot b/test/diagrams/scanned_easy/diagrams_69.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7a7a22c7e618541ed47e8c6b76634e7789008976
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_69.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=TB
+	N0 [label="Edge Device Provisioning" color="#61CAC3" fillcolor="#C2E8E6" shape=action style=filled]
+	N1 [label="Retail Edge Computing" color="#61CAC3" fillcolor="#C2E8E6" shape=diamond style=filled]
+	N2 [label="Power Consumption Optimization" color="#61CAC3" fillcolor="#C2E8E6" shape=predefinedprocess style=filled]
+	N3 [label="Healthcare Edge Computing" color="#FF5722" fillcolor="#FFCCBC" shape=predefinedprocess style=filled]
+	N4 [label="Industrial Edge Computing" color="#AABEC6" fillcolor="#E0E6E9" shape=rectangle style=filled]
+	N5 [label="Real_time Analytics at Edge" color="#FF5722" fillcolor="#FFCCBC" shape=predefinedprocess style=filled]
+	N6 [label="Microservices on Edge Devices" color="#61CAC3" fillcolor="#C2E8E6" shape=predefinedprocess style=filled]
+	N7 [label="Edge Gateway Management" color="#AABEC6" fillcolor="#E0E6E9" shape=parallelogram style=filled]
+	N0 -> N1 [color="#61CAC3" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#61CAC3" penwidth=1.5 style=solid label="selects hardware" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="performs real_time analytics" dir=forward]
+	N3 -> N4 [color="#61CAC3" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FF5722" penwidth=1.5 style=solid label="supports industrial IoT" dir=forward]
+	N6 -> N7 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N1 -> N5 [color="#000000" penwidth=1.5 style=dashed label="processes data locally" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_69.txt b/test/diagrams/scanned_easy/diagrams_69.txt
new file mode 100644
index 0000000000000000000000000000000000000000..8ebc75fbac1b578481190d67aba364a728baf676
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_69.txt
@@ -0,0 +1,8 @@
+<Edge Device Provisioning, connectedTo, Retail Edge Computing>
+<Healthcare Edge Computing, connectedTo, Industrial Edge Computing>
+<Industrial Edge Computing, connectedTo, Real_time Analytics at Edge>
+<Microservices on Edge Devices, connectedTo, Edge Gateway Management>
+<Power Consumption Optimization, performs real_time analytics, Healthcare Edge Computing>
+<Real_time Analytics at Edge, supports industrial IoT, Microservices on Edge Devices>
+<Retail Edge Computing, processes data locally, Real_time Analytics at Edge>
+<Retail Edge Computing, selects hardware, Power Consumption Optimization>
diff --git a/test/diagrams/scanned_easy/diagrams_70.txt b/test/diagrams/scanned_easy/diagrams_70.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b001f9dcc0d5def3c4150b58a1032146c11fcf86
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_70.txt
@@ -0,0 +1,8 @@
+<API Management in Cloud, connectedTo, Cloud Architecture Design>
+<Cloud Architecture Design, offers MLaaS, Identity and Access Management>
+<Cloud Architecture Design, processes big data, Infrastructure as a Service>
+<Cloud Migration Strategy, connectedTo, DevOps on Cloud>
+<DevOps on Cloud, manages multi_clouds, Infrastructure as a Service>
+<Identity and Access Management, connectedTo, Cloud Backup Solutions>
+<Infrastructure as a Service, connectedTo, Resource Tagging for Cost Allocation>
+<Resource Tagging for Cost Allocation, provides IaaS, API Management in Cloud>
diff --git a/test/diagrams/scanned_easy/diagrams_71.dot b/test/diagrams/scanned_easy/diagrams_71.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8577aca2981f8575afa0b79e9612ffe6884bfc91
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_71.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=BT
+	N0 [label="VPN Configuration" color="#FFF8A6" fillcolor="#FFFDE0" shape=diamond style=filled]
+	N1 [label="Cloud Integration with On_premise" color="#FFC2C2" fillcolor="#FFEBEB" shape=diamond style=filled]
+	N2 [label="Power and Cooling Management" color="#FFF8A6" fillcolor="#FFFDE0" shape=rectangle style=filled]
+	N3 [label="IT Asset Management" color="#FFCC80" fillcolor="#FFF0CC" shape=action style=filled]
+	N4 [label="Troubleshooting and Support" color="#FFCC80" fillcolor="#FFF0CC" shape=diamond style=filled]
+	N5 [label="System Administration" color="#FFCC80" fillcolor="#FFF0CC" shape=inputoutput style=filled]
+	N6 [label="Data Center Management" color="#FFCC80" fillcolor="#FFF0CC" shape=multipledocuments style=filled]
+	N7 [label="Operating System Installation" color="#FFF8A6" fillcolor="#FFFDE0" shape=diamond style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid label="secures systems" dir=forward]
+	N2 -> N3 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#FFF8A6" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid label="manages proxies" dir=forward]
+	N5 -> N6 [color="#FFC2C2" penwidth=1.5 style=dashed label="sets up VPNs" dir=forward]
+	N6 -> N7 [color="#FFCC80" penwidth=1.5 style=solid label="optimizes environments" dir=forward]
+	N0 -> N7 [color="#FFC2C2" penwidth=1.5 style=dashed label="applies patches" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_72.txt b/test/diagrams/scanned_easy/diagrams_72.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e673d11bbea6ce3219a5e79454a77da8f3761492
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_72.txt
@@ -0,0 +1,11 @@
+<Alerting and Incident Response, implements SRE, Container Orchestration>
+<Cloud Native Development, connectedTo, Alerting and Incident Response>
+<Container Orchestration, connectedTo, Version Control>
+<Continuous Integration, builds cloud_native apps, Cost Optimization in Cloud DevOps>
+<Cost Optimization in Cloud DevOps, automates pipelines, Cross_Functional Team Collaboration>
+<Cross_Functional Team Collaboration, connectedTo, GitOps>
+<Cross_Functional Team Collaboration, performs static analysis, Continuous Integration>
+<GitOps, deploys canaries, Immutable Infrastructure>
+<Immutable Infrastructure, manages environments, Cloud Native Development>
+<Monitoring and Logging, connectedTo, Continuous Integration>
+<Observability Implementation, orchestrates containers, Monitoring and Logging>
diff --git a/test/diagrams/scanned_easy/diagrams_73.dot b/test/diagrams/scanned_easy/diagrams_73.dot
new file mode 100644
index 0000000000000000000000000000000000000000..f9d2282cd1db15203fd61655d56309829bc0e712
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_73.dot
@@ -0,0 +1,27 @@
+digraph {
+	rankdir=BT
+	N0 [label="Architecture Planning" color="#B0C5CD" fillcolor="#DFE7EB" shape=rectangle style=filled]
+	N1 [label="Testing Frameworks" color="#81C784" fillcolor="#F1F8E9" shape=box style=filled]
+	N2 [label="API Development" color="#4CAF50" fillcolor="#C8E6C9" shape=action style=filled]
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+	N4 [label="Data Structures Implementation" color="#81C784" fillcolor="#F1F8E9" shape=database style=filled]
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+	N7 [label="Performance Optimization" color="#4CAF50" fillcolor="#C8E6C9" shape=document style=filled]
+	N8 [label="User Interface Design" color="#81C784" fillcolor="#F1F8E9" shape=hexagon style=filled]
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+	N0 -> N1 [color="#81C784" penwidth=1.5 style=solid label="optimizes performance" dir=forward]
+	N1 -> N2 [color="#B0C5CD" penwidth=1.5 style=dashed label="performs refactoring" dir=forward]
+	N2 -> N3 [color="#B0C5CD" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#4CAF50" penwidth=1.5 style=solid label="develops web apps" dir=forward]
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+	N6 -> N7 [color="#4CAF50" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#B0C5CD" penwidth=1.5 style=dashed label="uses frameworks" dir=forward]
+	N8 -> N9 [color="#B0C5CD" penwidth=1.5 style=solid label="fixes bugs" dir=forward]
+	N9 -> N10 [color="#81C784" penwidth=1.5 style=dashed dir=forward]
+	N10 -> N11 [color="#B0C5CD" penwidth=1.5 style=solid label="designs games" dir=forward]
+	N11 -> N3 [color="#B0C5CD" penwidth=1.5 style=dashed dir=forward]
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diff --git a/test/diagrams/scanned_easy/diagrams_74.dot b/test/diagrams/scanned_easy/diagrams_74.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6b4ca70b51ffef1aad980e790ca6e968a7189916
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_74.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=LR
+	N0 [label="Failure Analysis" color="#CDDC39" fillcolor="#E6EE9C" shape=database style=filled]
+	N1 [label="Circuit Design" color="#CDDC39" fillcolor="#E6EE9C" shape=preparation style=filled]
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+	N4 [label="High_Speed Digital Design" color="#AB47BC" fillcolor="#F3E5F5" shape=hexagon style=filled]
+	N5 [label="Cable Management" color="#A1887F" fillcolor="#EFEBE9" shape=predefinedprocess style=filled]
+	N6 [label="Environmental Testing" color="#A1887F" fillcolor="#EFEBE9" shape=predefinedprocess style=filled]
+	N7 [label="PCB Layout" color="#CDDC39" fillcolor="#E6EE9C" shape=multipledocuments style=filled]
+	N8 [label="Intellectual Property Protection" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N9 [label="Enclosure Design" color="#AB47BC" fillcolor="#F3E5F5" shape=parallelogram style=filled]
+	N10 [label="Regulatory Compliance" color="#AB47BC" fillcolor="#F3E5F5" shape=predefinedprocess style=filled]
+	N0 -> N1 [color="#A1887F" penwidth=1.5 style=dashed label="designs fixtures" dir=forward]
+	N1 -> N2 [color="#A1887F" penwidth=1.5 style=dashed label="selects components" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#CDDC39" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#AB47BC" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#AB47BC" penwidth=1.5 style=dashed label="lays out PCBs" dir=forward]
+	N6 -> N7 [color="#CDDC39" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#A1887F" penwidth=1.5 style=solid label="controls actuators" dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed label="manages cables" dir=forward]
+	N9 -> N10 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	N6 -> N3 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	N10 -> N3 [color="#AB47BC" penwidth=1.5 style=solid label="develops ASICs" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_75.dot b/test/diagrams/scanned_easy/diagrams_75.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7dd6de6e672e5dab478c0522202809eb58915d0c
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_75.dot
@@ -0,0 +1,28 @@
+digraph {
+	rankdir=RL
+	N0 [label="Native App Development" color="#FFCC80" fillcolor="#FFF0CC" shape=vnode_shape style=filled]
+	N1 [label="User Feedback Collection" color="#E57373" fillcolor="#FFEBEE" shape=rectangle style=filled]
+	N2 [label="Deep Linking" color="#BDAFA8" fillcolor="#E4E0DF" shape=diamond style=filled]
+	N3 [label="Crash Reporting" color="#BDAFA8" fillcolor="#E4E0DF" shape=action style=filled]
+	N4 [label="AR or VR Features in Mobile" color="#BDAFA8" fillcolor="#E4E0DF" shape=vnode_shape style=filled]
+	N5 [label="Wireframing" color="#FFCC80" fillcolor="#FFF0CC" shape=multipledocuments style=filled]
+	N6 [label="Performance Optimization" color="#BDAFA8" fillcolor="#E4E0DF" shape=action style=filled]
+	N7 [label="Push Notification Implementation" color="#FFCC80" fillcolor="#FFF0CC" shape=parallelogram style=filled]
+	N8 [label="Cross_Platform Development" color="#E57373" fillcolor="#FFEBEE" shape=rect style=filled]
+	N9 [label="User Experience Design" color="#E57373" fillcolor="#FFEBEE" shape=box style=filled]
+	N10 [label="Ad Monetization" color="#BDAFA8" fillcolor="#E4E0DF" shape=inputoutput style=filled]
+	N11 [label="Analytics Tracking" color="#FFCC80" fillcolor="#FFF0CC" shape=parallelogram style=filled]
+	N0 -> N1 [color="#BDAFA8" penwidth=1.5 style=solid label="designs UIs" dir=forward]
+	N1 -> N2 [color="#FFCC80" penwidth=1.5 style=dashed label="manages updates" dir=forward]
+	N2 -> N3 [color="#BDAFA8" penwidth=1.5 style=dashed label="develops cross_platform apps" dir=forward]
+	N3 -> N4 [color="#FFCC80" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#BDAFA8" penwidth=1.5 style=dashed label="analyzes analytics" dir=forward]
+	N5 -> N6 [color="#BDAFA8" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#BDAFA8" penwidth=1.5 style=solid label="gamifies experiences" dir=forward]
+	N7 -> N8 [color="#BDAFA8" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=solid label="designs onboarding" dir=forward]
+	N9 -> N10 [color="#E57373" penwidth=1.5 style=solid label="enables offline access" dir=forward]
+	N10 -> N11 [color="#BDAFA8" penwidth=1.5 style=solid label="designs APIs" dir=forward]
+	N1 -> N10 [color="#BDAFA8" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N11 [color="#E57373" penwidth=1.5 style=dashed label="implements notifications" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_75.txt b/test/diagrams/scanned_easy/diagrams_75.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b5d4bb2cc1c41f5b090476c75e6baff3f2ab18a6
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_75.txt
@@ -0,0 +1,13 @@
+<AR or VR Features in Mobile, analyzes analytics, Wireframing>
+<Ad Monetization, designs APIs, Analytics Tracking>
+<Crash Reporting, connectedTo, AR or VR Features in Mobile>
+<Cross_Platform Development, designs onboarding, User Experience Design>
+<Deep Linking, develops cross_platform apps, Crash Reporting>
+<Native App Development, designs UIs, User Feedback Collection>
+<Performance Optimization, gamifies experiences, Push Notification Implementation>
+<Performance Optimization, implements notifications, Analytics Tracking>
+<Push Notification Implementation, connectedTo, Cross_Platform Development>
+<User Experience Design, enables offline access, Ad Monetization>
+<User Feedback Collection, connectedTo, Ad Monetization>
+<User Feedback Collection, manages updates, Deep Linking>
+<Wireframing, connectedTo, Performance Optimization>
diff --git a/test/diagrams/scanned_easy/diagrams_77.dot b/test/diagrams/scanned_easy/diagrams_77.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7e5f5a3cc1dcbaf9932cc9b4d1f346c0c74270e9
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_77.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=BT
+	N0 [label="Algorithm Updates Monitoring" color="#82DAFF" fillcolor="#C8EDFF" shape=preparation style=filled]
+	N1 [label="Paid Search Advertising" color="#FFDA4E" fillcolor="#FFE88D" shape=ellipse style=filled]
+	N2 [label="Featured Snippets Optimization" color="#82DAFF" fillcolor="#C8EDFF" shape=parallelogram style=filled]
+	N3 [label="Ranking Algorithms" color="#FFDA4E" fillcolor="#FFE88D" shape=database style=filled]
+	N4 [label="Crawling Websites" color="#FFDA4E" fillcolor="#FFE88D" shape=multipledocuments style=filled]
+	N5 [label="On_Page SEO" color="#FFDA4E" fillcolor="#FFE88D" shape=preparation style=filled]
+	N6 [label="Technical SEO" color="#FFDA4E" fillcolor="#FFE88D" shape=database style=filled]
+	N7 [label="Search Result Display" color="#82DAFF" fillcolor="#C8EDFF" shape=hexagon style=filled]
+	N8 [label="Schema Markup Implementation" color="#FFC085" fillcolor="#FFDAB9" shape=diamond style=filled]
+	N9 [label="Academic Search" color="#FFDA4E" fillcolor="#FFE88D" shape=inputoutput style=filled]
+	N10 [label="Shopping Search" color="#FFDA4E" fillcolor="#FFE88D" shape=database style=filled]
+	N0 -> N1 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="manages PPC" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="optimizes UX" dir=forward]
+	N3 -> N4 [color="#82DAFF" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#82DAFF" penwidth=1.5 style=solid label="displays snippets" dir=forward]
+	N5 -> N6 [color="#82DAFF" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FFC085" penwidth=1.5 style=dashed label="understands intent" dir=forward]
+	N7 -> N8 [color="#FFDA4E" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#FFC085" penwidth=1.5 style=solid label="personalizes results" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed label="indexes academic papers" dir=forward]
+	N3 -> N1 [color="#FFC085" penwidth=1.5 style=dashed label="optimizes local search" dir=forward]
+	N8 -> N7 [color="#FFDA4E" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_77.txt b/test/diagrams/scanned_easy/diagrams_77.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2d71d5b8ad7e8edeae3aac1fd673227c189324e6
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_77.txt
@@ -0,0 +1,12 @@
+<Academic Search, indexes academic papers, Shopping Search>
+<Algorithm Updates Monitoring, connectedTo, Paid Search Advertising>
+<Crawling Websites, displays snippets, On_Page SEO>
+<Featured Snippets Optimization, optimizes UX, Ranking Algorithms>
+<On_Page SEO, connectedTo, Technical SEO>
+<Paid Search Advertising, manages PPC, Featured Snippets Optimization>
+<Ranking Algorithms, connectedTo, Crawling Websites>
+<Ranking Algorithms, optimizes local search, Paid Search Advertising>
+<Schema Markup Implementation, connectedTo, Search Result Display>
+<Schema Markup Implementation, personalizes results, Academic Search>
+<Search Result Display, connectedTo, Schema Markup Implementation>
+<Technical SEO, understands intent, Search Result Display>
diff --git a/test/diagrams/scanned_easy/diagrams_78.dot b/test/diagrams/scanned_easy/diagrams_78.dot
new file mode 100644
index 0000000000000000000000000000000000000000..6992e5440d29dc5c59d86ce7c87e95ba1056e110
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_78.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=RL
+	N0 [label="Authentication" color="#FFB2A5" fillcolor="#FFDCD6" shape=parallelogram style=filled]
+	N1 [label="Identity Proofing" color="#FFB2A5" fillcolor="#FFDCD6" shape=rect style=filled]
+	N2 [label="Customer Identity and Access Management" color="#FFB2A5" fillcolor="#FFDCD6" shape=multipledocuments style=filled]
+	N3 [label="Risk_Based Authentication" color="#BA68C8" fillcolor="#F3E5F5" shape=multipledocuments style=filled]
+	N4 [label="User Registration" color="#FF9800" fillcolor="#FFE0B2" shape=rect style=filled]
+	N5 [label="Digital Certificates" color="#FFB2A5" fillcolor="#FFDCD6" shape=box style=filled]
+	N6 [label="Attribute Management" color="#FFB2A5" fillcolor="#FFDCD6" shape=rectangle style=filled]
+	N7 [label="Single Sign_On" color="#BA68C8" fillcolor="#F3E5F5" shape=parallelogram style=filled]
+	N8 [label="Identity as a Service" color="#BA68C8" fillcolor="#F3E5F5" shape=rectangle style=filled]
+	N0 -> N1 [color="#FF9800" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="implements DIDs" dir=forward]
+	N2 -> N3 [color="#FFB2A5" penwidth=1.5 style=solid label="ensures non_repudiation" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N5 [color="#FFB2A5" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFB2A5" penwidth=1.5 style=dashed label="implements SSO" dir=forward]
+	N6 -> N7 [color="#BA68C8" penwidth=1.5 style=dashed label="governs access" dir=forward]
+	N7 -> N8 [color="#BA68C8" penwidth=1.5 style=solid dir=forward]
+	N3 -> N6 [color="#FF9800" penwidth=1.5 style=solid label="authenticates users" dir=forward]
+	N7 -> N6 [color="#FFB2A5" penwidth=1.5 style=dashed label="implements PAM" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_81.txt b/test/diagrams/scanned_easy/diagrams_81.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5cb57e81ef579071a3fdd5f8d3c632cb9bd1cf1c
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_81.txt
@@ -0,0 +1,8 @@
+<English Proficiency Test Prep, connectedTo, Video Lecture Production>
+<Flashcard Creation, connectedTo, Study Environment Optimization>
+<Graduate School Exam Prep, evaluates, Virtual Proctoring>
+<Interactive Exercises, publishes, English Proficiency Test Prep>
+<Interactive Exercises, teaches, Writing Skills Improvement>
+<Study Environment Optimization, distributes, Graduate School Exam Prep>
+<Video Lecture Production, connectedTo, Flashcard Creation>
+<Writing Skills Improvement, simulates, Interactive Exercises>
diff --git a/test/diagrams/scanned_easy/diagrams_83.dot b/test/diagrams/scanned_easy/diagrams_83.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cbfe714e76dc551d71bdfaf4ca10f431f96f356b
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_83.dot
@@ -0,0 +1,19 @@
+digraph {
+	rankdir=RL
+	N0 [label="Cognitive Behavioral Therapy" color="#A2D0FF" fillcolor="#E8F0FF" shape=action style=filled]
+	N1 [label="Outpatient Program Management" color="#A2D0FF" fillcolor="#E8F0FF" shape=inputoutput style=filled]
+	N2 [label="Diagnosis and Assessment" color="#A1887F" fillcolor="#EFEBE9" shape=ellipse style=filled]
+	N3 [label="Suicide Prevention" color="#A1887F" fillcolor="#EFEBE9" shape=inputoutput style=filled]
+	N4 [label="Music Therapy" color="#A2D0FF" fillcolor="#E8F0FF" shape=predefinedprocess style=filled]
+	N5 [label="Dialectical Behavior Therapy" color="#A2D0FF" fillcolor="#E8F0FF" shape=document style=filled]
+	N6 [label="Art Therapy" color="#A2D0FF" fillcolor="#E8F0FF" shape=parallelogram style=filled]
+	N7 [label="Crisis Intervention" color="#A1887F" fillcolor="#EFEBE9" shape=diamond style=filled]
+	N0 -> N1 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#66BB6A" penwidth=1.5 style=dashed label="supports" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#A2D0FF" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#A1887F" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#A1887F" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#66BB6A" penwidth=1.5 style=dashed label="counsels" dir=forward]
+	N7 -> N0 [color="#66BB6A" penwidth=1.5 style=solid label="coordinates" dir=forward]
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\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_83.txt b/test/diagrams/scanned_easy/diagrams_83.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e22d325b450ad6ee0ac8d63651b3769a83509f5a
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_83.txt
@@ -0,0 +1,8 @@
+<Art Therapy, counsels, Crisis Intervention>
+<Cognitive Behavioral Therapy, connectedTo, Outpatient Program Management>
+<Crisis Intervention, coordinates, Cognitive Behavioral Therapy>
+<Diagnosis and Assessment, connectedTo, Suicide Prevention>
+<Dialectical Behavior Therapy, connectedTo, Art Therapy>
+<Music Therapy, connectedTo, Dialectical Behavior Therapy>
+<Outpatient Program Management, supports, Diagnosis and Assessment>
+<Suicide Prevention, connectedTo, Music Therapy>
diff --git a/test/diagrams/scanned_easy/diagrams_84.dot b/test/diagrams/scanned_easy/diagrams_84.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d081e8fd0f1a0a0eaee0304a0a722f4e227995e7
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_84.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=LR
+	N0 [label="Food Safety Education" color="#C2B2F0" fillcolor="#EFE6FF" shape=box style=filled]
+	N1 [label="Supplement Recommendation" color="#AABEC6" fillcolor="#E0E6E9" shape=diamond style=filled]
+	N2 [label="Sports Nutrition" color="#AABEC6" fillcolor="#E0E6E9" shape=database style=filled]
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+	N5 [label="Disease_Specific Nutrition" color="#C2B2F0" fillcolor="#EFE6FF" shape=box style=filled]
+	N6 [label="Food Waste Reduction" color="#C2B2F0" fillcolor="#EFE6FF" shape=action style=filled]
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+	N10 [label="Sustainable Food Systems" color="#AABEC6" fillcolor="#E0E6E9" shape=diamond style=filled]
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+	N1 -> N2 [color="#AABEC6" penwidth=1.5 style=solid label="tests" dir=forward]
+	N2 -> N3 [color="#9575CD" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#C2B2F0" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#9575CD" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#000000" penwidth=1.5 style=solid label="audits" dir=forward]
+	N6 -> N7 [color="#C2B2F0" penwidth=1.5 style=solid label="assesses" dir=forward]
+	N7 -> N8 [color="#9575CD" penwidth=1.5 style=dashed dir=forward]
+	N8 -> N9 [color="#AABEC6" penwidth=1.5 style=dashed label="monitors" dir=forward]
+	N9 -> N10 [color="#AABEC6" penwidth=1.5 style=dashed label="improves" dir=forward]
+	N6 -> N2 [color="#C2B2F0" penwidth=1.5 style=solid label="processes" dir=forward]
+	N7 -> N3 [color="#9575CD" penwidth=1.5 style=solid dir=forward]
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\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_85.dot b/test/diagrams/scanned_easy/diagrams_85.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8051f504fd05e4b555665d56333d62975f31d616
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_85.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=BT
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+	N8 [label="Fitness Equipment Maintenance" color="#E0E0E0" fillcolor="#EBEBEB" shape=document style=filled]
+	N9 [label="Endurance Training" color="#E0E0E0" fillcolor="#EBEBEB" shape=rect style=filled]
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+	N0 -> N1 [color="#9C27B0" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#BDBDBD" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#E0E0E0" penwidth=1.5 style=solid label="communicates" dir=forward]
+	N3 -> N4 [color="#9C27B0" penwidth=1.5 style=dashed label="tracks" dir=forward]
+	N4 -> N5 [color="#BDBDBD" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N5 -> N6 [color="#E0E0E0" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#E0E0E0" penwidth=1.5 style=solid label="improves" dir=forward]
+	N7 -> N8 [color="#E0E0E0" penwidth=1.5 style=solid label="plans" dir=forward]
+	N8 -> N9 [color="#E0E0E0" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#9C27B0" penwidth=1.5 style=solid label="optimizes" dir=forward]
+	N4 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_85.txt b/test/diagrams/scanned_easy/diagrams_85.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3b78aada95c321c7c7c872f293fec6cbb1018b66
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_85.txt
@@ -0,0 +1,11 @@
+<Cross_Training, improves, Senior Fitness Programs>
+<Endurance Training, optimizes, Community Fitness Challenges>
+<Fitness Equipment Maintenance, connectedTo, Endurance Training>
+<Outdoor Fitness Activities, connectedTo, Endurance Training>
+<Outdoor Fitness Activities, monitors, Pilates Instruction>
+<Pilates Instruction, connectedTo, Cross_Training>
+<Senior Fitness Programs, plans, Fitness Equipment Maintenance>
+<Wearable Fitness Devices, connectedTo, Workout Planning>
+<Workout Planning, connectedTo, Workout Tracking Apps>
+<Workout Tracking Apps, communicates, Youth Fitness Programs>
+<Youth Fitness Programs, tracks, Outdoor Fitness Activities>
diff --git a/test/diagrams/scanned_easy/diagrams_86.dot b/test/diagrams/scanned_easy/diagrams_86.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7eb72c48fe66d46b8cd2b663ab133b27840b0e4b
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_86.dot
@@ -0,0 +1,20 @@
+digraph {
+	rankdir=RL
+	N0 [label="Nutrition Guidance" color="#CD8FF2" fillcolor="#ECCFF5" shape=preparation style=filled]
+	N1 [label="Digital Detox" color="#CD8FF2" fillcolor="#ECCFF5" shape=predefinedprocess style=filled]
+	N2 [label="Journaling for Wellness" color="#CD8FF2" fillcolor="#ECCFF5" shape=vnode_shape style=filled]
+	N3 [label="Massage Therapy" color="#FF8A65" fillcolor="#FBE9E7" shape=rect style=filled]
+	N4 [label="Meditation Coaching" color="#CD8FF2" fillcolor="#ECCFF5" shape=database style=filled]
+	N5 [label="Sleep Optimization" color="#FF8A65" fillcolor="#FBE9E7" shape=database style=filled]
+	N6 [label="Immune System Support" color="#CD8FF2" fillcolor="#ECCFF5" shape=database style=filled]
+	N7 [label="Detox Programs" color="#4DB6AC" fillcolor="#E0F2F1" shape=diamond style=filled]
+	N0 -> N1 [color="#000000" penwidth=1.5 style=solid label="monitors" dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid label="promotes" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="assesses" dir=forward]
+	N4 -> N5 [color="#FF8A65" penwidth=1.5 style=dashed label="balances" dir=forward]
+	N5 -> N6 [color="#4DB6AC" penwidth=1.5 style=solid dir=forward]
+	N6 -> N7 [color="#FF8A65" penwidth=1.5 style=solid dir=forward]
+	N7 -> N1 [color="#CD8FF2" penwidth=1.5 style=solid label="relaxes" dir=forward]
+	N0 -> N4 [color="#FF8A65" penwidth=1.5 style=solid label="develops" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_87.txt b/test/diagrams/scanned_easy/diagrams_87.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1bec1104cb1623ff3d1f3fcefdce7bbd5e10e930
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_87.txt
@@ -0,0 +1,10 @@
+<3D Rendering, surveys, Lighting Design>
+<Construction Documentation, connectedTo, Site Measurement>
+<Feng Shui Consultation, showcases, Acoustic Treatment>
+<Healthcare Interior Design, connectedTo, 3D Rendering>
+<Hospitality Interior Design, furnishes, Feng Shui Consultation>
+<Lighting Design, connectedTo, Sustainable Design Practices>
+<Lighting Design, styles, Hospitality Interior Design>
+<Mood Board Creation, arranges, Hospitality Interior Design>
+<Site Measurement, connectedTo, Mood Board Creation>
+<Sustainable Design Practices, connectedTo, Construction Documentation>
diff --git a/test/diagrams/scanned_easy/diagrams_90.dot b/test/diagrams/scanned_easy/diagrams_90.dot
new file mode 100644
index 0000000000000000000000000000000000000000..d76b81cf911464e92727d6259b7944ab339fdd79
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_90.dot
@@ -0,0 +1,23 @@
+digraph {
+	rankdir=LR
+	N0 [label="Over_the_Air Updates" color="#FFE470" fillcolor="#FFFAE0" shape=database style=filled]
+	N1 [label="Simulation and Testing" color="#BDAFA8" fillcolor="#E4E0DF" shape=hexagon style=filled]
+	N2 [label="Remote Operation Capability" color="#FFE470" fillcolor="#FFFAE0" shape=vnode_shape style=filled]
+	N3 [label="Hardware Design" color="#D2D2D2" fillcolor="#F0F0F0" shape=diamond style=filled]
+	N4 [label="Fleet Management" color="#BDAFA8" fillcolor="#E4E0DF" shape=multipledocuments style=filled]
+	N5 [label="Decision_Making Algorithms" color="#D2D2D2" fillcolor="#F0F0F0" shape=hexagon style=filled]
+	N6 [label="Path Planning" color="#D2D2D2" fillcolor="#F0F0F0" shape=database style=filled]
+	N7 [label="Map Data Management" color="#FFE470" fillcolor="#FFFAE0" shape=predefinedprocess style=filled]
+	N8 [label="Ethical Decision_Making" color="#FFE470" fillcolor="#FFFAE0" shape=inputoutput style=filled]
+	N9 [label="Driver Monitoring Systems" color="#D2D2D2" fillcolor="#F0F0F0" shape=box style=filled]
+	N0 -> N1 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed label="manufactures" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#BDAFA8" penwidth=1.5 style=solid label="alerts" dir=forward]
+	N4 -> N5 [color="#BDAFA8" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#FFE470" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#D2D2D2" penwidth=1.5 style=solid label="senses" dir=forward]
+	N7 -> N8 [color="#FFE470" penwidth=1.5 style=dashed label="regulates" dir=forward]
+	N8 -> N9 [color="#D2D2D2" penwidth=1.5 style=dashed dir=forward]
+	N4 -> N8 [color="#D2D2D2" penwidth=1.5 style=dashed label="certifies" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_91.txt b/test/diagrams/scanned_easy/diagrams_91.txt
new file mode 100644
index 0000000000000000000000000000000000000000..55cd159c54e4c703486af818dce2dee9b03f6bdf
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_91.txt
@@ -0,0 +1,9 @@
+<Autonomous Shared Vehicles, connectedTo, Scooter_sharing Services>
+<Customer Support, complies, Payment Processing>
+<Maintenance Scheduling, services, Autonomous Shared Vehicles>
+<Micro_mobility Management, connectedTo, Vehicle Rebalancing>
+<Payment Processing, manages, Smart City Integration>
+<Payment Processing, pays, Maintenance Scheduling>
+<Scooter_sharing Services, connectedTo, Micro_mobility Management>
+<Smart City Integration, rates, Car_sharing Services>
+<Vehicle Rebalancing, connectedTo, Smart City Integration>
diff --git a/test/diagrams/scanned_easy/diagrams_93.dot b/test/diagrams/scanned_easy/diagrams_93.dot
new file mode 100644
index 0000000000000000000000000000000000000000..ddb666762f30f9b800a5dd9abb9de8609cdb01c2
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_93.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=RL
+	N0 [label="Museum Ticketing" color="#FFC2C2" fillcolor="#FFEBEB" shape=multipledocuments style=filled]
+	N1 [label="Agent Network Management" color="#9C27B0" fillcolor="#E1BEE7" shape=rect style=filled]
+	N2 [label="Personalized Ticket Offers" color="#FFC2C2" fillcolor="#FFEBEB" shape=inputoutput style=filled]
+	N3 [label="Group Booking Management" color="#F44336" fillcolor="#FFCDD2" shape=inputoutput style=filled]
+	N4 [label="Box Office Management" color="#FFC2C2" fillcolor="#FFEBEB" shape=action style=filled]
+	N5 [label="Concert Ticketing" color="#F44336" fillcolor="#FFCDD2" shape=parallelogram style=filled]
+	N6 [label="Event Creation" color="#FFC2C2" fillcolor="#FFEBEB" shape=parallelogram style=filled]
+	N7 [label="Fan Loyalty Programs" color="#9C27B0" fillcolor="#E1BEE7" shape=multipledocuments style=filled]
+	N8 [label="Order Confirmation" color="#FFC2C2" fillcolor="#FFEBEB" shape=rect style=filled]
+	N9 [label="Customer Relationship Management Integration" color="#F44336" fillcolor="#FFCDD2" shape=database style=filled]
+	N10 [label="Seat Mapping" color="#9C27B0" fillcolor="#E1BEE7" shape=ellipse style=filled]
+	N0 -> N1 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#F44336" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="designs" dir=forward]
+	N3 -> N4 [color="#FFC2C2" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#F44336" penwidth=1.5 style=dashed label="monitors" dir=forward]
+	N5 -> N6 [color="#9C27B0" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#9C27B0" penwidth=1.5 style=solid label="refunds" dir=forward]
+	N7 -> N8 [color="#9C27B0" penwidth=1.5 style=solid dir=forward]
+	N8 -> N9 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#9C27B0" penwidth=1.5 style=dashed label="upgrades" dir=forward]
+	N7 -> N3 [color="#000000" penwidth=1.5 style=solid label="protects" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_94.dot b/test/diagrams/scanned_easy/diagrams_94.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2a639c1d9897716e6d978b207932c26831fc4f4f
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_94.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=LR
+	N0 [label="Zero_Knowledge Proofs for Privacy" color="#DCE775" fillcolor="#FCFCE7" shape=inputoutput style=filled]
+	N1 [label="Touchscreen Voting Machines" color="#7E57C2" fillcolor="#D1C4E9" shape=predefinedprocess style=filled]
+	N2 [label="Cryptographic Security" color="#DCE775" fillcolor="#FCFCE7" shape=database style=filled]
+	N3 [label="System Certification" color="#7E57C2" fillcolor="#D1C4E9" shape=multipledocuments style=filled]
+	N4 [label="Software Integrity Checks" color="#BA68C8" fillcolor="#F3E5F5" shape=diamond style=filled]
+	N5 [label="Public Trust Building" color="#BA68C8" fillcolor="#F3E5F5" shape=predefinedprocess style=filled]
+	N6 [label="Voter Registration" color="#BA68C8" fillcolor="#F3E5F5" shape=diamond style=filled]
+	N7 [label="Remote Voting Solutions" color="#BA68C8" fillcolor="#F3E5F5" shape=multipledocuments style=filled]
+	N8 [label="Voting Machine Design" color="#DCE775" fillcolor="#FCFCE7" shape=parallelogram style=filled]
+	N0 -> N1 [color="#BA68C8" penwidth=1.5 style=dashed dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N3 -> N4 [color="#7E57C2" penwidth=1.5 style=solid label="upgrades" dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=dashed label="ensures" dir=forward]
+	N5 -> N6 [color="#DCE775" penwidth=1.5 style=solid label="communicates" dir=forward]
+	N6 -> N7 [color="#7E57C2" penwidth=1.5 style=dashed label="designs" dir=forward]
+	N7 -> N8 [color="#7E57C2" penwidth=1.5 style=solid label="casts" dir=forward]
+	N8 -> N1 [color="#BA68C8" penwidth=1.5 style=solid label="facilitates" dir=forward]
+	N7 -> N1 [color="#BA68C8" penwidth=1.5 style=dashed label="educates" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_95.dot b/test/diagrams/scanned_easy/diagrams_95.dot
new file mode 100644
index 0000000000000000000000000000000000000000..2d8b9c53ec13e793ba718088087b125ebd526bf8
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_95.dot
@@ -0,0 +1,26 @@
+digraph {
+	rankdir=RL
+	N0 [label="Risk Assessment" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N1 [label="Policy Learning" color="#AF56A6" fillcolor="#DDCEDD" shape=rectangle style=filled]
+	N2 [label="Problem Identification" color="#AB47BC" fillcolor="#F3E5F5" shape=document style=filled]
+	N3 [label="Forecasting and Scenario Planning" color="#AB47BC" fillcolor="#F3E5F5" shape=action style=filled]
+	N4 [label="Report Drafting" color="#AB47BC" fillcolor="#F3E5F5" shape=parallelogram style=filled]
+	N5 [label="Quantitative Analysis" color="#AF56A6" fillcolor="#DDCEDD" shape=vnode_shape style=filled]
+	N6 [label="Stakeholder Analysis" color="#9575CD" fillcolor="#EDE7F6" shape=action style=filled]
+	N7 [label="Policy Simulation Models" color="#9575CD" fillcolor="#EDE7F6" shape=rect style=filled]
+	N8 [label="Interagency Coordination" color="#AB47BC" fillcolor="#F3E5F5" shape=box style=filled]
+	N9 [label="Program Design" color="#AF56A6" fillcolor="#DDCEDD" shape=database style=filled]
+	N10 [label="Evidence_Based Policymaking" color="#AB47BC" fillcolor="#F3E5F5" shape=rectangle style=filled]
+	N0 -> N1 [color="#9575CD" penwidth=1.5 style=solid label="impacts" dir=forward]
+	N1 -> N2 [color="#AB47BC" penwidth=1.5 style=dashed dir=forward]
+	N2 -> N3 [color="#9575CD" penwidth=1.5 style=dashed dir=forward]
+	N3 -> N4 [color="#9575CD" penwidth=1.5 style=solid label="influences" dir=forward]
+	N4 -> N5 [color="#AB47BC" penwidth=1.5 style=dashed label="solutions" dir=forward]
+	N5 -> N6 [color="#AF56A6" penwidth=1.5 style=dashed dir=forward]
+	N6 -> N7 [color="#9575CD" penwidth=1.5 style=dashed dir=forward]
+	N7 -> N8 [color="#AB47BC" penwidth=1.5 style=dashed label="models" dir=forward]
+	N8 -> N9 [color="#AF56A6" penwidth=1.5 style=solid label="ethics" dir=forward]
+	N9 -> N10 [color="#000000" penwidth=1.5 style=dashed label="researches" dir=forward]
+	N1 -> N4 [color="#AB47BC" penwidth=1.5 style=dashed label="implements" dir=forward]
+	N5 -> N8 [color="#000000" penwidth=1.5 style=solid label="synthesizes" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_95.txt b/test/diagrams/scanned_easy/diagrams_95.txt
new file mode 100644
index 0000000000000000000000000000000000000000..34c1c91adee066d42831fffcd1871bdf51515c93
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_95.txt
@@ -0,0 +1,12 @@
+<Forecasting and Scenario Planning, influences, Report Drafting>
+<Interagency Coordination, ethics, Program Design>
+<Policy Learning, connectedTo, Problem Identification>
+<Policy Learning, implements, Report Drafting>
+<Policy Simulation Models, models, Interagency Coordination>
+<Problem Identification, connectedTo, Forecasting and Scenario Planning>
+<Program Design, researches, Evidence_Based Policymaking>
+<Quantitative Analysis, connectedTo, Stakeholder Analysis>
+<Quantitative Analysis, synthesizes, Interagency Coordination>
+<Report Drafting, solutions, Quantitative Analysis>
+<Risk Assessment, impacts, Policy Learning>
+<Stakeholder Analysis, connectedTo, Policy Simulation Models>
diff --git a/test/diagrams/scanned_easy/diagrams_96.dot b/test/diagrams/scanned_easy/diagrams_96.dot
new file mode 100644
index 0000000000000000000000000000000000000000..7dd29d62c26ff4eed05584099292c048ee44b8ac
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_96.dot
@@ -0,0 +1,22 @@
+digraph {
+	rankdir=BT
+	N0 [label="Research Ethics Application" color="#CFCFCF" fillcolor="#F6F6F6" shape=action style=filled]
+	N1 [label="Experiment Design" color="#A188D0" fillcolor="#DACBE3" shape=predefinedprocess style=filled]
+	N2 [label="Journal Publication" color="#CFCFCF" fillcolor="#F6F6F6" shape=diamond style=filled]
+	N3 [label="Meta_Analysis" color="#CFCFCF" fillcolor="#F6F6F6" shape=ellipse style=filled]
+	N4 [label="Research Design" color="#03A9F4" fillcolor="#B3E5FC" shape=ellipse style=filled]
+	N5 [label="Data Visualization for Research" color="#03A9F4" fillcolor="#B3E5FC" shape=diamond style=filled]
+	N6 [label="Power Analysis" color="#A188D0" fillcolor="#DACBE3" shape=hexagon style=filled]
+	N7 [label="Thesis or Dissertation Writing" color="#03A9F4" fillcolor="#B3E5FC" shape=box style=filled]
+	N8 [label="Reproducibility Studies" color="#A188D0" fillcolor="#DACBE3" shape=rectangle style=filled]
+	N0 -> N1 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N2 -> N3 [color="#CFCFCF" penwidth=1.5 style=dashed label="open science" dir=forward]
+	N3 -> N4 [color="#000000" penwidth=1.5 style=dashed label="hypothesizes" dir=forward]
+	N4 -> N5 [color="#A188D0" penwidth=1.5 style=dashed label="innovates" dir=forward]
+	N5 -> N6 [color="#03A9F4" penwidth=1.5 style=dashed label="integrity" dir=forward]
+	N6 -> N7 [color="#CFCFCF" penwidth=1.5 style=solid dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=dashed label="archives" dir=forward]
+	N3 -> N2 [color="#03A9F4" penwidth=1.5 style=solid dir=forward]
+	N0 -> N4 [color="#000000" penwidth=1.5 style=solid label="cites" dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_96.txt b/test/diagrams/scanned_easy/diagrams_96.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2240421b964c4bca44a4e93ed12b7107b19324ac
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_96.txt
@@ -0,0 +1,10 @@
+<Data Visualization for Research, integrity, Power Analysis>
+<Experiment Design, connectedTo, Journal Publication>
+<Journal Publication, open science, Meta_Analysis>
+<Meta_Analysis, connectedTo, Journal Publication>
+<Meta_Analysis, hypothesizes, Research Design>
+<Power Analysis, connectedTo, Thesis or Dissertation Writing>
+<Research Design, innovates, Data Visualization for Research>
+<Research Ethics Application, cites, Research Design>
+<Research Ethics Application, connectedTo, Experiment Design>
+<Thesis or Dissertation Writing, archives, Reproducibility Studies>
diff --git a/test/diagrams/scanned_easy/diagrams_97.dot b/test/diagrams/scanned_easy/diagrams_97.dot
new file mode 100644
index 0000000000000000000000000000000000000000..cb1f285aa5ec133792e6abaff863d3282492c5bb
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_97.dot
@@ -0,0 +1,25 @@
+digraph {
+	rankdir=TB
+	N0 [label="Self_Checkout Kiosks" color="#FF5722" fillcolor="#FFCCBC" shape=hexagon style=filled]
+	N1 [label="Electronic Resource Management" color="#FFCC7A" fillcolor="#FFF6D9" shape=rectangle style=filled]
+	N2 [label="AI in Library Services" color="#FF5722" fillcolor="#FFCCBC" shape=rectangle style=filled]
+	N3 [label="Data Migration" color="#FFCC7A" fillcolor="#FFF6D9" shape=rectangle style=filled]
+	N4 [label="Technical Support for Systems" color="#FFCC7A" fillcolor="#FFF6D9" shape=diamond style=filled]
+	N5 [label="Subject Indexing" color="#FFCC7A" fillcolor="#FFF6D9" shape=predefinedprocess style=filled]
+	N6 [label="Integrated Library Systems" color="#FFCC7A" fillcolor="#FFF6D9" shape=hexagon style=filled]
+	N7 [label="Library Management Systems" color="#FFCC7A" fillcolor="#FFF6D9" shape=parallelogram style=filled]
+	N8 [label="Metadata Creation" color="#FF5722" fillcolor="#FFCCBC" shape=rect style=filled]
+	N9 [label="Search Functionality" color="#DCE775" fillcolor="#FCFCE7" shape=hexagon style=filled]
+	N10 [label="Database Management" color="#DCE775" fillcolor="#FCFCE7" shape=rectangle style=filled]
+	N0 -> N1 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+	N1 -> N2 [color="#FF5722" penwidth=1.5 style=solid label="analyzes" dir=forward]
+	N2 -> N3 [color="#000000" penwidth=1.5 style=dashed label="searches" dir=forward]
+	N3 -> N4 [color="#DCE775" penwidth=1.5 style=solid dir=forward]
+	N4 -> N5 [color="#000000" penwidth=1.5 style=solid dir=forward]
+	N5 -> N6 [color="#DCE775" penwidth=1.5 style=dashed label="displays" dir=forward]
+	N6 -> N7 [color="#DCE775" penwidth=1.5 style=dashed label="archives" dir=forward]
+	N7 -> N8 [color="#000000" penwidth=1.5 style=solid label="implements" dir=forward]
+	N8 -> N9 [color="#DCE775" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N10 [color="#FF5722" penwidth=1.5 style=dashed dir=forward]
+	N9 -> N6 [color="#FF5722" penwidth=1.5 style=solid dir=forward]
+}
\ No newline at end of file
diff --git a/test/diagrams/scanned_easy/diagrams_97.txt b/test/diagrams/scanned_easy/diagrams_97.txt
new file mode 100644
index 0000000000000000000000000000000000000000..88cdaa4616b99d52ea53b04eea4b02be26d2eefc
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_97.txt
@@ -0,0 +1,11 @@
+<AI in Library Services, searches, Data Migration>
+<Data Migration, connectedTo, Technical Support for Systems>
+<Electronic Resource Management, analyzes, AI in Library Services>
+<Integrated Library Systems, archives, Library Management Systems>
+<Library Management Systems, implements, Metadata Creation>
+<Metadata Creation, connectedTo, Search Functionality>
+<Search Functionality, connectedTo, Database Management>
+<Search Functionality, connectedTo, Integrated Library Systems>
+<Self_Checkout Kiosks, connectedTo, Electronic Resource Management>
+<Subject Indexing, displays, Integrated Library Systems>
+<Technical Support for Systems, connectedTo, Subject Indexing>
diff --git a/test/diagrams/scanned_easy/diagrams_99.dot b/test/diagrams/scanned_easy/diagrams_99.dot
new file mode 100644
index 0000000000000000000000000000000000000000..baf7e944008836b6365b5726669152bc7e49cd9d
--- /dev/null
+++ b/test/diagrams/scanned_easy/diagrams_99.dot
@@ -0,0 +1,28 @@
+digraph {
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