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Clement
Joined: 24 Apr 2006
Posts: 1111
Location: Dar es Salaam Tanzania
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 Posted: Sun May 27, 2012 10:16 pm Post subject: May 28 VH |
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| XY-Wing 78 37 38 pivoted in r1c6; r7c3<>8. |
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hughwill
Joined: 05 Apr 2010
Posts: 424
Location: Birmingham UK
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| Posted: Mon May 28, 2012 2:45 pm Post subject: 28th May VH |
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| Code: |
+----------+------------+-----------+
| 5 1 78 | 9 38 37 | 2 6 4 |
| 2 37 9 | 6 348 347 | 38 1 5 |
| 48 34 6 | 2 1 5 | 389 389 7 |
+----------+------------+-----------+
| 1 8 3 | 5 7 2 | 6 4 9 |
| 7 6 5 | 34 34 9 | 1 2 8 |
| 49 49 2 | 8 6 1 | 5 7 3 |
+----------+------------+-----------+
| 6 57 78 | 1 9 38 | 4 35 2 |
| 89 2 1 | 34 5 348 | 7 39 6 |
| 3 59 4 | 7 2 6 | 89 589 1 |
+----------+------------+-----------+
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Play this puzzle online at the Daily Sudoku site
This one was straightforward enough in the end, but it had
an annoying distraction in the 378 XY wing with pivot on r2c2
which takes the 3s out of r2c4 and r2c5 but then leaves
you with nothing. It took me ages to see the longer-range XY
which solves it. |
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