construct/nppc three coloring
construct/nppc three coloring: a task in MathConstructOptimize-Envs-harbor (Harbor dataset). Graph with 60 vertices labelled 0..59 and edge list 0, 9 , 0, 19 , 0, 40 , 0, 57 , 1, 4 , 1, 18 , 1, 20 , 1, 37 , 1, 43 , 1, 46 , 1, 50 , 1, 51 , 2, 17 , 2, 25 , 2, 40 , 2, 54 , 3, 9 , 3, 17 , 3, 25 , 3…
The task
Graph with 60 vertices labelled 0..59 and edge list [[0, 9], [0, 19], [0, 40], [0, 57], [1, 4], [1, 18], [1, 20], [1, 37], [1, 43], [1, 46], [1, 50], [1, 51], [2, 17], [2, 25], [2, 40], [2, 54], [3, 9], [3, 17], [3, 25], [3, 27], [3, 55], [4, 14], [4, 16], [4, 29], [4, 32], [4, 33], [4, 34], [5, 6], [5, 14], [5, 21],…