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First 12 Clue Sudoku-X

 
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Ruud
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Joined: 30 Dec 2005
Posts: 601
PostPosted: Mon Jul 23, 2007 5:49 pm    Post subject: First 12 Clue Sudoku-X Reply with quote
The minimum number of clues for a Sudoku-X has been 13 for the last two years. This weekend, I started a search for more 13's and possibly a 12.

Here's a 12 I found this morning. Very Happy



000000009050000010000005000000000060000007000000004000000100000000920000004000008

I will start a new page on the main site, where I will explain my search techniques and post a list of additional 12-clue Sudoku-X puzzles I found later today.

Ruud
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