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Mar 6 VH

 
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Clement



Joined: 24 Apr 2006
Posts: 1110
Location: Dar es Salaam Tanzania
PostPosted: Sat Mar 05, 2011 11:09 pm    Post subject: Mar 6 VH Reply with quote
XY-Wing 15 16 56 pivoted in r6c9; r2c4<>5 solves it.
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kuskey



Joined: 10 Dec 2008
Posts: 141
Location: Pembroke, NH
PostPosted: Sun Mar 06, 2011 4:20 pm    Post subject: Mar 6 VH Reply with quote
Besides Clement's XY-Wing, try the following:

1. another version of 156 XY-Wing pivot at r6c4
2. 345 XY-Wing pivot r5c5
3. 356 XY-Wing pivot r1c6
4. 378 XYZ-Wing pivot r5c7
5. 56 W-Wing c46, SL 5 at c5
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Sun Mar 06, 2011 4:31 pm    Post subject: Reply with quote
There's at least one XY-Chain that'll do it as well as the 48 UR in boxes 78.
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