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Dividing a donut (Posted on 2005-04-23) Difficulty: 3 of 5
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?

See The Solution Submitted by Tristan    
Rating: 4.0000 (5 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Solution- I still have to modify the picture | Comment 24 of 34 |

Solution has not concluded yet.  I has to modify a little bit.  As the time constraint, you should view the picture in the comment that I sent just now that the process is still on process tomorrow. 


  Posted by Jonathan Chang on 2005-04-25 18:03:42
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