1. add nodes A-J
2. add a constraint that nodes A-E are at the same horizontal coordinate
3. add a constraint that nodes F-J are at the same horizontal coordinate
4. add a constraint that nodes A-E are all to the left of nodes F-J
5. make nodes A-E triangles
6. add edges from node A to nodes F, G, and J
7. add edges from node B to nodes G and J
8. add edges from node C to each of the nodes F, G, H, I, and J
9. add edges from node D to nodes G and H
10. add edges from node E to nodes G and H
11. make the edges thin with color steelblue
12. fill nodes A-E with color tomato and nodes F-J with color green
:config draft false