construct/rlve min harmonious coloring
construct/rlve min harmonious coloring: a task in MathConstructOptimize-Envs-harbor (Harbor dataset). An undirected simple graph has 8 vertices labelled 0..7 and edge list 0, 1 , 0, 2 , 1, 4 , 2, 7
The task
An undirected simple graph has 8 vertices labelled 0..7 and edge list [[0, 1], [0, 2], [1, 4], [2, 7]]