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Puzzle XY 09/12/11 (B)

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Fri Dec 11, 2009 4:25 pm    Post subject: Puzzle XY 09/12/11 (B) Reply with quote
Code:
 +-----------------------+
 | 2 . . | . 8 . | . 7 1 |
 | . 4 . | . 1 . | . . . |
 | . . . | 5 . 2 | . . . |
 |-------+-------+-------|
 | . . 4 | 8 2 . | . . 7 |
 | 1 7 . | 6 4 . | 2 3 . |
 | . . 6 | . . 7 | . . . |
 |-------+-------+-------|
 | . . . | . 6 . | . . . |
 | 5 . . | . 7 . | . 6 . |
 | 7 . . | 1 . . | . . 3 |
 +-----------------------+

Play this puzzle online at the Daily Sudoku site
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
PostPosted: Fri Dec 11, 2009 5:50 pm    Post subject: Reply with quote
I used:
Quote:
w-wing 93
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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Sat Dec 12, 2009 9:42 pm    Post subject: Reply with quote
Four steps, all w-wings: two w-wings on 59 and two w-wings on 39.

After reading the post by Dan, I suspect that my second w-wing on 39 may have been his one stepper.

I constantly looked for other moves, but only found the w-wings.

Ted
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Sat Dec 12, 2009 10:24 pm    Post subject: Reply with quote
tlanglet wrote:
I constantly looked for other moves, but only found the w-wings.

After limited basics, my solver found two W-Wings to bypass an XY-Chain. Either cracks the puzzle.
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Sun Dec 13, 2009 10:46 pm    Post subject: Reply with quote
Quote:
After limited basics, my solver found two W-Wings to bypass an XY-Chain. Either cracks the puzzle.

Yes, since my one-stepper was the 59 W-Wing.
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