construct/rlve min chromatic number
construct/rlve min chromatic number: a task in MathConstructOptimize-Envs-harbor (Harbor dataset). An undirected simple graph has 6 vertices labelled 0..5 and edge list 0, 2 , 0, 5 , 2, 5
The task
An undirected simple graph has 6 vertices labelled 0..5 and edge list [[0, 2], [0, 5], [2, 5]]