This sounds like the map colouring problem to me. I don't know if there are modules already written to handle this challenge.

PS In planar geometry this can be solved with four colours, but if you're dealing with a torus, you need to go up to seven colours. Math is cool. :)

Alex / talexb / Toronto

Thanks PJ. We owe you so much. Groklaw -- RIP -- 2003 to 2013.

In reply to Re: Graph labeling problem by talexb
in thread Graph labeling problem by baxy77bax

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