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Dec 3 VH

 
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Clement



Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania

PostPosted: Thu Dec 02, 2010 10:16 pm    Post subject: Dec 3 VH Reply with quote

UR 27 in Grid r16c46 removes 27 in r6c4 which solves it.
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kuskey



Joined: 10 Dec 2008
Posts: 141
Location: Pembroke, NH

PostPosted: Fri Dec 03, 2010 4:42 am    Post subject: Dec 3 VH Reply with quote

Wings of victory

In addition to Clement's UR, I found the following single-steppers:

XY-Wing 138 piv r1c3 elim 3 r3c9 r1c2
XY-Wing 189 piv r1c5 elim 1 r2c1
XY-Wing 138 piv r3c2 elim 1 r1c9
XYZ-Wing 389 on 8 b12 elim 8 r1c3

Also a different 189 XY-Wing followed by a W-Wing on 18 but had a brain cramp at that point tring to find a solution.
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George Woods



Joined: 28 Mar 2006
Posts: 304
Location: Dorset UK

PostPosted: Fri Dec 03, 2010 11:17 am    Post subject: W Wing solution Reply with quote

The 89s in boxes 2 and 7 operating on 8s in row 3 quickly get to the result of the UR which I chose to decline!
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA

PostPosted: Fri Dec 03, 2010 4:38 pm    Post subject: Reply with quote

I found six one-steppers:

One UR
One Coloring
One W-Wing
Three XY-Wings
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Julian



Joined: 28 Jul 2010
Posts: 9
Location: Menlo, GA

PostPosted: Fri Dec 03, 2010 9:37 pm    Post subject: Reply with quote

Well, I found one XY 189 and since I've been getting stuck on basics, I'm happy with that.
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buettner



Joined: 19 Apr 2006
Posts: 3

PostPosted: Sat Dec 04, 2010 12:32 am    Post subject: Dec 3 VH Reply with quote

After basics, a 138 xy wing on 3, R1C3, R1C9, R3C2, and that does it.
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keith



Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA

PostPosted: Sat Dec 04, 2010 1:10 am    Post subject: Re: Dec 3 VH Reply with quote

buettner wrote:
After basics, a 138 xy wing on 3, R1C3, R1C9, R3C2, and that does it.
I'm with this. It was there before I finished basics.

Keith
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