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Clement
Joined: 24 Apr 2006 Posts: 1110 Location: Dar es Salaam Tanzania
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Posted: Fri Oct 12, 2012 12:22 am Post subject: Oct 12 VH |
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Code: |
+---------------+-----------+---------------+
| 689 3 5 | 2 489 89 | 1 7 4689 |
| 789 79 2 | 1 4789 6 | 48-9 5 3 |
| 4 1679 1-69 | 3 789 5 | 2-689 268 2-689 |
+---------------+-----------+---------------+
| 2-6 4 3 | 7 68 1 | 268 9 5 |
| 5 69 7 | 4 2 89 | 3 68 1 |
| 1269 8 169 | 5 69 3 | 7 4 26 |
+---------------+-----------+---------------+
| 169 5 169 | 8 13 4 | 29 23 7 |
| 179 179 4 | 6 13 2 | 5 38 89 |
| 3 2 8 | 9 5 7 | 46 1 46 |
+---------------+-----------+---------------+
| XY-Wing 69 89 68 pivot in r5c6; r4c1<>6
X-Wing on 6 in Col 28; r3c379<>6 opens an
XYZ-Wing 289 hinged in r3c7; r2c7<>9 solves it. |
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Marty R.
Joined: 12 Feb 2006 Posts: 5770 Location: Rochester, NY, USA
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Posted: Fri Oct 12, 2012 5:03 am Post subject: |
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Same. First three-stepper I can recall in quite some time. |
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Earl
Joined: 30 May 2007 Posts: 677 Location: Victoria, KS
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Posted: Fri Oct 12, 2012 4:15 pm Post subject: Oct 12 |
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Did I make a mistake? I did it with one xy wing, eliminating 6's.
Earl |
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Marty R.
Joined: 12 Feb 2006 Posts: 5770 Location: Rochester, NY, USA
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Posted: Fri Oct 12, 2012 11:05 pm Post subject: |
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Hi Earl,
Long time no see. I tried that wing a couple of times and couldn't finish which, of course, doesn't prove anything.
Cheers. |
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