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Oct 20 VH

 
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Clement



Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania
PostPosted: Wed Oct 19, 2011 10:42 pm    Post subject: Oct 20 VH Reply with quote
XY-Wing 49 34 39 pivoted in r9c3; r3c4<>9 or the same pivoted in r9c4; r3c3<>4 solves it.
Also the W-Wing 34 with strong link 4 in row 3; r9c4<>3.
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hughwill



Joined: 05 Apr 2010
Posts: 424
Location: Birmingham UK
PostPosted: Wed Oct 19, 2011 11:19 pm    Post subject: Oct 20 VH Reply with quote
I needed an X wing on 6 before I got to Clement's XY....
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Thu Oct 20, 2011 12:51 am    Post subject: Re: Oct 20 VH Reply with quote
hughwill wrote:
I needed an X wing on 6 before I got to Clement's XY....

Hughwill, you probably missed something on the basics, as I also saw the XY-Wing directly.
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