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Puzzle 11/05/19: ~ XY

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Sun May 15, 2011 9:17 pm    Post subject: Puzzle 11/05/19: ~ XY Reply with quote
I'm going to be away for a few days. No, not France!!!

Code:
 +-----------------------+
 | 8 1 5 | 2 3 4 | . . . |
 | 3 . 7 | 6 9 . | 5 8 2 |
 | 2 6 . | . . 8 | 1 3 4 |
 |-------+-------+-------|
 | 6 8 . | 4 . . | . . . |
 | 7 2 . | . . 5 | 4 6 . |
 | 5 . 4 | . 6 3 | . . . |
 |-------+-------+-------|
 | . 7 6 | . 5 . | 8 . . |
 | . 3 8 | . 4 . | . 5 7 |
 | . 5 2 | . . . | . 4 . |
 +-----------------------+

Play this puzzle online at the Daily Sudoku site
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peterj



Joined: 26 Mar 2010
Posts: 974
Location: London, UK
PostPosted: Thu May 19, 2011 7:15 am    Post subject: Reply with quote
A short-ish xy-chain...
Quote:
xy-chain ; (7=9)r4c6 - (9=2)r7c6 - (2=6)r8c6 - (6=2)r8c7 - (2=7)r6c7 ; r6c4<>7, r4c78<>7
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Fri May 20, 2011 4:19 am    Post subject: Reply with quote
Same as Peter; a five-cell XY-Chain.
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