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Puzzle 10/05/29: (A)

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Sat May 29, 2010 2:29 pm    Post subject: Puzzle 10/05/29: (A) Reply with quote
Code:
 +-----------------------+
 | . 9 . | 1 . . | . 2 8 |
 | 6 8 . | . 9 . | 5 . . |
 | . . 5 | . . . | 9 . . |
 |-------+-------+-------|
 | 3 . . | . . . | 6 . 2 |
 | . 6 . | . 7 . | 8 3 . |
 | . . . | . . 9 | . . . |
 |-------+-------+-------|
 | . 2 6 | 3 8 . | 4 . . |
 | 8 . . | . 5 . | . . 9 |
 | 4 . . | 9 . . | . 8 . |
 +-----------------------+

Play this puzzle online at the Daily Sudoku site
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peterj



Joined: 26 Mar 2010
Posts: 974
Location: London, UK
PostPosted: Sun May 30, 2010 10:00 am    Post subject: Reply with quote
Wing..
Quote:
w-wing(17) (1=7)r4c3-r9c3=r9c7-(7=1)r6c7; r6c2<>1
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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Sun May 30, 2010 2:16 pm    Post subject: Reply with quote
The solution already posted by Peter seems to be the killer for this puzzle. For fun, I also looked for an ANP() solution.

ANP(24=7)r3c56 - (7=1)r7c6 - (1=2)r9c5 - (2=4)r3c5; r3c8<>4
ANP(14=2)r4c5|r5c6 - (2=4)r3c6 - r8c6 = (4)r8c4; r5c4<>4
ANP(12=7)r8c6|r9c5 - (7=1)r8c2 - r46c2 = r4c3 - r4c5 = (1)r6c7; r7c6<>1

Ted
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keith



Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
PostPosted: Sun May 30, 2010 2:45 pm    Post subject: Reply with quote
Maybe,

But it took me three XY-wings and two X-wings: XY 1-24, 1-47, X 1, 1, XY -127.

Keith
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Sun May 30, 2010 10:09 pm    Post subject: Reply with quote
I didn't notice a W-Wing, but an M-Wing on 17 plus pincer transport did it.
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Wendy W



Joined: 04 Feb 2008
Posts: 144
PostPosted: Mon May 31, 2010 12:13 am    Post subject: Reply with quote
A la Keith. I liked those two X-wings on 1, right in a row.
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