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kuskey
Joined: 10 Dec 2008
Posts: 141
Location: Pembroke, NH
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 Posted: Wed Feb 16, 2011 5:43 am Post subject: Feb 16 VH |
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| This puzzle seemed more difficult than it turned out to be - more scans to do than usual. After basics lots of xy-wings, xyz-wings and w-wings to check out. Fortunately, the x-wing on 7 in r14 appeared immediately in my x-wing scan, revealing the 279 xy-wing that solved the puzzle. |
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Ema Nymton
Joined: 17 Apr 2009
Posts: 89
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| Posted: Wed Feb 16, 2011 2:00 pm Post subject: |
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Translated into English.
| Code: |
+-------------+--------------+-------------+
| 5 3 2 | 19 *17 8 | 6 4 *79C |
| 4 679 8 | 69 5 A27 | 3 1 B279 |
| 679 679 1 | 369 2367 4 | 5 278 2789 |
+-------------+--------------+-------------+
| 1 268 9 | 46 *2467 3 | 28 5 *67 |
| 268 4 7 | 5 26 1 | 28 9 3 |
| 26 5 3 | 8 9 27 | 4 67 1 |
+-------------+--------------+-------------+
| 3789 789 4 | 2 38 59 | 1 68 568 |
| 2389 1289 6 | 1349 1348 59 | 7 28 258 |
| 28 128 5 | 7 18 6 | 9 3 4 |
+-------------+--------------+-------------+
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The cells r1c5, r1c9, r4c5, and r4c9 are linked by '7'. A '7' must be in either r1c5 - r1c9 or r4c5 - r4c9
The cells r2c9, r3c5, and r3c9 cannot hold a '7', leaving r2c9 = '2' or '9'. The ABC arraignment removes the '7' from r1c5.
Ema Nymton
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