Diagram 1
Layer 1
zone external - blue
zone internal - yellow
Compute Engine
Compute Engine
Fill-1
Fill-4
Fill-7
Fill-9
Stroke-21
Stroke-22
zone internal - yellow
Compute Engine
Compute Engine
Fill-1
Fill-4
Fill-7
Fill-9
Stroke-21
Stroke-22
zone internal - yellow
Compute Engine
Compute Engine
Fill-1
Fill-4
Fill-7
Fill-9
Stroke-21
Stroke-22