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Clement
Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania
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 Posted: Mon Jun 27, 2016 11:41 pm Post subject: Jun 28 VH |
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| Code: |
+--------------------+---------------+----------------+
| 45 457 3 | 9 6 458 | 478 1 2 |
| 8 1 579 | 347 357 2 | 6 49 37 |
| 249 6 279 | 1 378 48 | 34789 489 5 |
+--------------------+---------------+----------------+
| 23459 234579 25789 | 78 1 6 | 235789 2589 37 |
| 1 279 26789 | 5 789 3 | 2789 2689 4 |
| 359 3579 56789 | 2 4 89 | 35789 5689 1 |
+--------------------+---------------+----------------+
| 7 2589 1 | 48 2589 4589 | 245 3 6 |
| 235 2358 4 | 6 2358 1 | 25 7 9 |
| 6 2359 259 | 34 2359 7 | 1 245 8 |
+--------------------+---------------+----------------+
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X-Wing on 4 in r29; r3c8, r7c4 <> 4 opens
XY-Wing 59-4 pivoted in r2c3; r1c7 <> 4; stte |
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the_lock_man
Joined: 18 Dec 2012
Posts: 40
Location: Portsmarfff, UK
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| Posted: Tue Jun 28, 2016 11:58 am Post subject: |
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| The X-Wing also opens another XY-Wing 4-89, pivot r3c8, making r2c4<>4, which also STTE. |
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dongrave
Joined: 06 Mar 2014
Posts: 568
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| Posted: Wed Jun 29, 2016 1:32 am Post subject: |
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| Neat! I found the X-Wing of 7's in c49 which opened up the 59-4 XY-Wing with pivot at r2c3 (so r1c7<>4) but then I still had to use the 489 XYZ-Wing with pivot at r3c8 to solve it (r3c7<>4 so r7c7=4). Not as nice as Clement's or lock man's solution though. Good one! |
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