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March 23 VH

 
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Clement



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

PostPosted: Tue Mar 23, 2010 12:00 am    Post subject: March 23 VH Reply with quote

Code:

+---------------+---------+----------+
| 13   13   9   | 2  8  4 | 7  6   5 |
| 6    8    4   | 5  9  7 | 2  1   3 |
| 2    57   57  | 1  6  3 | 4  9   8 |
+---------------+---------+----------+
| 37#  9    1   | 8  27 5 | 6  23# 4 |
| 8    6    37  | 4  27 1 | 35 235 9 |
| 45   45   2   | 6  3  9 | 8  7   1 |
+---------------+---------+----------+
| 9    3457 6   | 37 1  8 | 35 345 2 |
| 1357 1357 357 | 37 4  2 | 9  8   6 |
| 34#  2    8   | 9  5  6 | 1  34# 7 |
+---------------+---------+----------+
Two steps
1) X-Wing in 3's r49c18 eliminating the 3's in r1c1; r8c1; r5c8; and r7c8 leading to
2) XY-Wing 45 47 57 eliminating 5 in r6c1 solving the puzzle.
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Marty R.



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

PostPosted: Tue Mar 23, 2010 3:54 am    Post subject: Reply with quote

A 37 W-Wing will do it in one step.
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cgordon



Joined: 04 May 2007
Posts: 769
Location: ontario, canada

PostPosted: Tue Mar 23, 2010 1:51 pm    Post subject: Reply with quote

I used a Type 4 UR on <13> then colouring on <3>. I'm alaephobic.
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Marty R.



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

PostPosted: Tue Mar 23, 2010 3:23 pm    Post subject: Reply with quote

Quote:
I'm alaephobic.

Pedantic too. Laughing
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA

PostPosted: Tue Mar 23, 2010 6:19 pm    Post subject: Reply with quote

There are two w-wing 37's one removes a 3 and the other a 7 either will solve the puzzle.
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Wendy W



Joined: 04 Feb 2008
Posts: 144

PostPosted: Tue Mar 23, 2010 11:00 pm    Post subject: Reply with quote

CG, does that mean somebody who doesn't like Skyscrapers (i.e., Marty) is acrophobic?
X-wing on 3, Skyscraper on 3, and then that UR <13>.
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