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17 and Sudoku Clues - Numberphile

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Uploaded on Jan 24, 2012

17 is the minimum number of clues required to give a unique sudoku solution - but how did mathematicians prove this?

Dr James Grime discusses a recent paper which cracked the problem. The paper being discussed by McGuire and others is at http://arxiv.org/abs/1201.0749

Website: http://www.numberphile.com/
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Numberphile tweets: https://twitter.com/numberphile
Videos by Brady Haran

James Grime's website is at http://singingbanana.com/

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