construct/rlve min harmonious coloring
construct/rlve min harmonious coloring: a task in MathConstructOptimize-Envs-harbor (Harbor dataset). An undirected simple graph has 6 vertices labelled 0..5 and edge list 0, 1 , 0, 4 , 0, 5 , 3, 4
The task
An undirected simple graph has 6 vertices labelled 0..5 and edge list [[0, 1], [0, 4], [0, 5], [3, 4]]