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Clement
Joined: 24 Apr 2006 Posts: 1110 Location: Dar es Salaam Tanzania
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Posted: Sun Feb 10, 2013 10:57 pm Post subject: Feb 11 VH |
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Code: |
+-----------+--------+------------+
| 348 1 9 | 7 6 24 | 234 5 *28 |
| 34 7 26 | 5 8 24 | 1 36 9 |
| 458 58 *26 | 3 9 1 | -24 #68 7 |
+-----------+--------+------------+
| 1 3 5 | 2 4 7 | 8 9 6 |
| 6 4 8 | 1 5 9 | 7 2 3 |
| 2 9 7 | 6 3 8 | 5 4 1 |
+-----------+--------+------------+
| 9 2 3 | 8 7 5 | 6 1 4 |
| 7 58 4 | 9 1 6 | 23 38 258 |
| 58 6 1 | 4 2 3 | 9 7 58 |
+-----------+--------+------------+
| Solved by XY-Wing 26-68-28 pivoted in r3c8; r3c7<>2. |
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RobertRattley
Joined: 24 Jun 2007 Posts: 118 Location: Australia
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Posted: Tue Feb 12, 2013 2:14 pm Post subject: |
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Yes.
I got to the same "after basics" point, and then spotted an x wing. I was so sure it would lead to an xy wing that I lost lots of time before I spotted the xy wing that had been there all the time! No need for the x wing. One step. |
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