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Question: Drawing large vertices with chromatic number

Question:Drawing large vertices with chromatic number

michele 60 Maple
graphtheory highlightvertex drawgraph
December 07 2022
1

With  
DrawGraph(G, stylesheet = [vertexpadding = 35], showlabels = false)
I get this

But if I wish emphasize the chromatic number, with
COLORS := [red, yellow, cyan, green, coral, blue, magenta, navy, orange, pink, plum, khaki, turquoise];
cn := ChromaticNumber(G, 'col');
for i to cn do
    HighlightVertex(G, col[i], COLORS[i]);
end do;
DrawGraph(G, stylesheet = [vertexpadding = 35], showlabels = false);
I get this

I want bigger vertices, any suggestions? Thanks
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