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Clement
Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania
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 Posted: Wed Nov 07, 2012 11:06 pm Post subject: Nov 8 VH |
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| Code: |
+------------+--------------+-------------+
| 7 1 256 | 289 258 4 | 3689 36 689 |
| 8 24 246 | 239 23 1 | 5 7 469 |
| 9 3 45 | 6 7 58 | 48 1 2 |
+------------+--------------+-------------+
| 4 7 12 | 5 6 9 | 12 8 3 |
| 23 8 239 | 4 1 7 | 269 5 69 |
| 5 6 19 | 28 28 3 | 19 4 7 |
+------------+--------------+-------------+
| 1 5 348 | 7 9 6 | 348 2 48 |
| *23 9 7 | #38 3458 258 | 3468 36 1 |
| 6 -24 2348 | 1 348 *28 | 7 9 5 |
+------------+--------------+-------------+
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XY-Wing 23-38-28 pivoted in r8c4; r9c2<>2 solves it. |
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George Woods
Joined: 28 Mar 2006
Posts: 304
Location: Dorset UK
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| Posted: Thu Nov 08, 2012 1:48 pm Post subject: ER solution |
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| r7c3 cannot be 4 (strong linked 4s in col 9 mean that a 4 is denied in square A) this I think is classed as an 'ER' anyway it works! |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Thu Nov 08, 2012 4:30 pm Post subject: |
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| It is an ER, with the ERI in r7c7 and the strongly linked 4s in r3. |
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