construct/rlve max achromatic coloring
construct/rlve max achromatic coloring: a task in MathConstructOptimize-Envs-harbor (Harbor dataset). An undirected simple graph has 12 vertices labelled 0..11 and edge list 0, 6 , 0, 11 , 1, 3 , 1, 5 , 1, 7 , 1, 11 , 2, 3 , 2, 5 , 2, 6 , 2, 7 , 3, 4 , 3, 9 , 3, 11 , 4, 5 , 4, 10 , 4, 11 , 5, 7 …
The task
An undirected simple graph has 12 vertices labelled 0..11 and edge list [[0, 6], [0, 11], [1, 3], [1, 5], [1, 7], [1, 11], [2, 3], [2, 5], [2, 6], [2, 7], [3, 4], [3, 9], [3, 11], [4, 5], [4, 10], [4, 11], [5, 7], [5, 8], [6, 9], [6, 11], [7, 9], [7, 11], [8, 11]]