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Clement
Joined: 24 Apr 2006
Posts: 1113
Location: Dar es Salaam Tanzania
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 Posted: Tue Mar 23, 2010 12:00 am Post subject: March 23 VH |
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| 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 |
+---------------+---------+----------+
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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
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| Posted: Tue Mar 23, 2010 3:54 am Post subject: |
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| A 37 W-Wing will do it in one step. |
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cgordon
Joined: 04 May 2007
Posts: 769
Location: ontario, canada
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| Posted: Tue Mar 23, 2010 1:51 pm Post subject: |
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| 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
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| Posted: Tue Mar 23, 2010 3:23 pm Post subject: |
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Pedantic too.  |
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arkietech
Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
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| Posted: Tue Mar 23, 2010 6:19 pm Post subject: |
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| 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
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| Posted: Tue Mar 23, 2010 11:00 pm Post subject: |
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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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