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Puzzle 11/05/21: ~ Advanced

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Sat May 21, 2011 11:07 pm    Post subject: Puzzle 11/05/21: ~ Advanced Reply with quote
Code:
 +-----------------------+
 | . . 8 | . 3 . | 4 2 . |
 | . . 2 | . . . | . . . |
 | 6 5 . | . . 8 | 3 . . |
 |-------+-------+-------|
 | . . . | 3 . . | . 4 . |
 | 7 . . | . 5 . | . 3 . |
 | . . 3 | . . . | . 8 7 |
 |-------+-------+-------|
 | 3 . 1 | . . . | 2 . . |
 | 9 . . | 5 4 3 | . . 8 |
 | . . . | . . 2 | . 9 . |
 +-----------------------+

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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Mon May 23, 2011 4:27 am    Post subject: Reply with quote
Two XY-Wings:

167; r3c3<>7
562; r4c1<>2
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Mon May 23, 2011 3:52 pm    Post subject: Reply with quote
Yet another puzzle where an alternate path is simpler than what my solver found. Hmmm!!!
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