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, 5 , 0, 14 , 0, 21 , 0, 23 , 0, 25 , 1, 15 , 1, 24 , 1, 26 , 2, 4 , 2, 8 , 2, 9 , 2, 17 , 2, 19 , 2, 29 , 3, 8 , 3, 10 , 3, 15 , 3, 22 , 4, 5 , 4, 6 …
The task
Graph with 30 vertices labelled 0..29 and edge list [[0, 5], [0, 14], [0, 21], [0, 23], [0, 25], [1, 15], [1, 24], [1, 26], [2, 4], [2, 8], [2, 9], [2, 17], [2, 19], [2, 29], [3, 8], [3, 10], [3, 15], [3, 22], [4, 5], [4, 6], [4, 7], [4, 23], [4, 28], [5, 15], [5, 21], [5, 26], [6, 10], [6, 18], [6, 21], [7, 29], [8,…