I want to divide the surface of a donut into as many different regions as possible. The regions can be any shape, as long as they are each in one piece. Each region must touch each of the other regions (touching on a corner doesn't count). How many regions can I make?
I wish I had thought of that, so beautifull, so simple.
Nice problem Tristan, thanks
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Posted by Hugo
on 2005-04-25 17:07:25 |