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, 4 , 1, 4 , 1, 5 , 1, 6 , 2, 7 , 4, 6 , 4, 7 , 6, 7
The task
An undirected simple graph has 8 vertices labelled 0..7 and edge list [[0, 4], [1, 4], [1, 5], [1, 6], [2, 7], [4, 6], [4, 7], [6, 7]]