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Vanhegan extreme May 26 2012

 
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
PostPosted: Sat May 26, 2012 6:46 am    Post subject: Vanhegan extreme May 26 2012 Reply with quote
Code:

 *-----------*
 |84.|..2|...|
 |.6.|...|.87|
 |..1|6..|3..|
 |---+---+---|
 |..4|..5|69.|
 |...|3.1|...|
 |.52|9..|1..|
 |---+---+---|
 |..6|..8|7..|
 |78.|...|.1.|
 |...|7..|.46|
 *-----------*
 

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keith



Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
PostPosted: Sat May 26, 2012 10:42 am    Post subject: Reply with quote
? XY-wing does it?

Keith
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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Sat May 26, 2012 11:57 am    Post subject: Reply with quote
Yes, a simple xy-wing does the job.........

Ted
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
PostPosted: Sat May 26, 2012 11:59 am    Post subject: Reply with quote
keith wrote:
? XY-wing does it?

did for me Very Happy
Code:

 *-----------------------------------------------------------*
 | 8     4     7     | 5     3     2     | 9     6     1     |
 | 235   6     35    | 14    149   49    | 25    8     7     |
 | 259   29    1     | 6     8     7     | 3     25    4     |
 |-------------------+-------------------+-------------------|
 | 13    137   4     | 8    *27    5     | 6     9    *23    |
 | 69    79    8     | 3     267   1     | 4     257   25    |
 | 36    5     2     | 9     46-7  46    | 1    *37    8     |
 |-------------------+-------------------+-------------------|
 | 4     13    6     | 12    159   8     | 7     235   2359  |
 | 7     8     359   | 24    4569  3469  | 25    1     2359  |
 | 1235  123   359   | 7     159   39    | 8     4     6     |
 *-----------------------------------------------------------*
xy-wing
(7=2)r4c5-(2=3)r4c9-(3=7)r6c8 => r6c5<>7


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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Sat May 26, 2012 5:06 pm    Post subject: Reply with quote
I missed the wing and used four moves. Sad
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