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