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, 1 , 0, 3 , 1, 3 , 3, 4 , 3, 5
The task
An undirected simple graph has 6 vertices labelled 0..5 and edge list [[0, 1], [0, 3], [1, 3], [3, 4], [3, 5]]