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roaa
Joined: 18 Apr 2009
Posts: 112
Location: Sweden
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 Posted: Fri May 20, 2016 9:53 am Post subject: May 20 VH |
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| XY wing, pivot r2c3 => r2c1 <> 6 |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Fri May 20, 2016 2:18 pm Post subject: |
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After basics.
| Code: |
+------------+----------+-----------+
| 3 56 4 | 1 57 8 | 9 67 2 |
| 156 9 25 | 4 57 26 | 8 167 3 |
| 7 126 8 | 9 3 26 | 16 5 4 |
+------------+----------+-----------+
| 9 26 3 | 8 16 4 | 5 12 7 |
| 56 4 25 | 3 16 7 | 12 9 8 |
| 8 7 1 | 5 2 9 | 3 4 6 |
+------------+----------+-----------+
| 4 3 9 | 27 8 1 | 267 26 5 |
| 15 15 6 | 27 4 3 | 27 8 9 |
| 2 8 7 | 6 9 5 | 4 3 1 |
+------------+----------+-----------+
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Play this puzzle online at the Daily Sudoku site |
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dongrave
Joined: 06 Mar 2014
Posts: 568
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| Posted: Fri May 20, 2016 5:28 pm Post subject: |
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| (Thanks for posting the grid Marty.) There's also a 56-2 XY wing with pivot at r1c2 and a 26-5 XY wing with pivot at r4c2. And I noticed the 27 UR Type 1 but I'd never think of using it. |
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