The Three-Color Conspiracy

The Three-Color Conspiracy: A network of rival houses allows no adjacent pair to bear the same banner. Original graph theory puzzle with a mathematically certified unique solution.

Original puzzle evidence

A network of rival houses allows no adjacent pair to bear the same banner.

THE SPECTRUM GRAPH · EXTREME

1. Edge: A is linked to F
2. Edge: H is linked to J
3. Edge: D is linked to E
4. Edge: C is linked to F
5. Edge: F is linked to I
6. Edge: A is linked to L
7. Edge: F is linked to G
8. Edge: F is linked to L
9. Edge: E is linked to H
10. Edge: A is linked to D
11. Edge: A is linked to E
12. Edge: E is linked to L
13. Edge: A is linked to H
14. Edge: E is linked to K
15. Edge: A is linked to K
16. Edge: G is linked to J
17. Edge: A is linked to G
18. Edge: I is linked to J
19. Edge: A is linked to J
20. Edge: A is linked to I

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