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Puzzle 11/07/29: B XY

 
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daj95376



Joined: 23 Aug 2008
Posts: 3855

PostPosted: Fri Jul 29, 2011 11:42 pm    Post subject: Puzzle 11/07/29: B XY Reply with quote

Apparently, I placed the wrong date on yesterday's puzzle.

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

Play this puzzle online at the Daily Sudoku site
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daj95376



Joined: 23 Aug 2008
Posts: 3855

PostPosted: Sat Jul 30, 2011 3:44 pm    Post subject: Reply with quote

Ted,

I accidentally deleted your message while trying to clear my erroneous response. Please re-post your solution!

Bottom Line: Your W-Wing solution is correct. I posted this puzzle as a "fun" XY-level puzzle.

Regards, Danny
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susume



Joined: 13 May 2011
Posts: 36
Location: Southeastern US

PostPosted: Sat Jul 30, 2011 7:36 pm    Post subject: Reply with quote

daj95376 wrote:
I posted this puzzle as a "fun" XY-level puzzle.


It was certainly fun! As often happens, I found a longish chain instead of a short-and-sweet wing. I guess it counts as an XY chain, if you don't mind the strong link on one end.

Quote:
UR 38 r78c49, strong link on 3 in r7; r7c49<>8
(9)r7c4 = r7c6 -(9=7)r4c6 -(7=6)r9c6 -(6=1)r3c6 -(1=8)r3c4 -(8=3)r8c4; r7c4<>3
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tlanglet



Joined: 17 Oct 2007
Posts: 2461
Location: Northern California Foothills

PostPosted: Sat Jul 30, 2011 8:27 pm    Post subject: Reply with quote

Danny, it makes me feel good to know that others sometimes mess up also. Laughing Laughing

w-wing (18)r3c4+r7c5 with SL (1)r37c6; r3c5, r78c4<>8

Ted
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Marty R.



Joined: 12 Feb 2006
Posts: 5128
Location: Rochester, NY, USA

PostPosted: Sun Jul 31, 2011 4:16 am    Post subject: Reply with quote

The W-Wing was pretty apparent. I thought I screwed up because I was expecting a more complicated solution.
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