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roaa
Joined: 18 Apr 2009
Posts: 112
Location: Sweden
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 Posted: Sun Apr 27, 2014 8:15 am Post subject: April 27 VH |
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| An xy-wing 126 pivoted in r1c2 forces r3c5=1, which solves it. |
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hughwill
Joined: 05 Apr 2010
Posts: 424
Location: Birmingham UK
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| Posted: Sun Apr 27, 2014 10:04 am Post subject: April 27 VH |
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A 'basics done' diagram for those who like them: | Code: |
+-------------+-----------+-------------+
| 7 16 5 | 9 4 12 | 8 3 126 |
| 28 189 3 | 6 7 5 | 4 19 129 |
| 26 169 4 | 8 12 3 | 5 7 1269 |
+-------------+-----------+-------------+
| 1 2 7 | 5 3 4 | 9 6 8 |
| 4 3 8 | 7 9 6 | 1 2 5 |
| 9 5 6 | 2 18 18 | 7 4 3 |
+-------------+-----------+-------------+
| 358 7 12 | 134 28 9 | 6 158 14 |
| 368 468 19 | 134 5 7 | 2 189 149 |
| 58 48 129 | 14 6 28 | 3 1589 7 |
+-------------+-----------+-------------+
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Play this puzzle online at the Daily Sudoku site
A 'pair' to roaa's 126 XY-Wing pivots in r3c1. It looked as
though other one-step solutions exist, but I couldn't find any....
Hugh |
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