authorea.com/106594

The vertices in the graph are \(V=\left\{1,2,3,4,5,6\right\}.\)

The edges in the graph are \(E=\left\{\left\{1,2\right\},\left\{1,5\right\},\left\{2,3\right\},\left\{2,5\right\},\left\{3,4\right\},\left\{4,5\right\},\left\{4,6\right\}\right\}\).

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