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Puzzle 10/08/22: C

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Sun Aug 22, 2010 6:43 am    Post subject: Puzzle 10/08/22: C Reply with quote
Code:
 +-----------------------+
 | . . . | . 4 6 | 5 . 3 |
 | . 8 . | . 2 . | . . . |
 | . . 4 | 3 . . | . . . |
 |-------+-------+-------|
 | 7 . 8 | . 6 . | 4 . . |
 | . 6 . | 1 5 . | . . . |
 | 5 . . | . . 3 | . . . |
 |-------+-------+-------|
 | 6 . . | 9 . . | 1 8 . |
 | . 4 . | . . . | 2 3 . |
 | 1 . . | . . . | . . 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: Sun Aug 22, 2010 8:30 am    Post subject: Reply with quote
Those m-wings can do some damage - a one-stepper
Quote:
m-wing(15) with transport ; (5=1)r4c9 - r2c9=(1-5)r2c6=r2c3 - r9c4=r9c8 ; r4c8<>5, r78c9<>5
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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Sun Aug 22, 2010 9:04 pm    Post subject: Reply with quote
I found an AIC similar to Peter's move by extending the vertex of a potential xy-wing:

Quote:
(5=7)r8c6-(7=1)r3c6-r3c89=r2c9-(1=5)r4c9* -r78c9=r9c8; r8c9*,r9c4<>5

Ted
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Mon Aug 23, 2010 11:06 pm    Post subject: Reply with quote
Very nice find Peter. I struggled with seven moves.

Ted, I'm sure yours was a nice find too, but I can follow the M-Wing without the notation, but can't say the same for an AIC. Very Happy
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