construct/nppc three coloring
construct/nppc three coloring: a task in MathConstructOptimize-Envs-harbor (Harbor dataset). Graph with 30 vertices labelled 0..29 and edge list 0, 8 , 0, 10 , 0, 20 , 0, 22 , 0, 26 , 0, 27 , 1, 3 , 1, 7 , 1, 9 , 1, 12 , 2, 3 , 2, 13 , 2, 14 , 2, 19 , 2, 20 , 2, 22 , 2, 28 , 3, 8 , 3, 11 , 3, 15 …
The task
Graph with 30 vertices labelled 0..29 and edge list [[0, 8], [0, 10], [0, 20], [0, 22], [0, 26], [0, 27], [1, 3], [1, 7], [1, 9], [1, 12], [2, 3], [2, 13], [2, 14], [2, 19], [2, 20], [2, 22], [2, 28], [3, 8], [3, 11], [3, 15], [4, 5], [4, 9], [4, 10], [4, 14], [4, 16], [4, 22], [4, 23], [5, 13], [5, 18], [5, 28], [6,…