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 1, 6 , 2, 3 , 2, 5 , 3, 5 , 3, 6 , 3, 7 , 4, 5 , 4, 7
The task
An undirected simple graph has 8 vertices labelled 0..7 and edge list [[1, 6], [2, 3], [2, 5], [3, 5], [3, 6], [3, 7], [4, 5], [4, 7]]