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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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 Posted: Thu Mar 09, 2017 12:53 pm Post subject: Mar 9 VH |
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| Code: |
+------------+------------+----------+
| 3 1 59 | 6 2 4 | 7 89 58 |
| 6 4 8 | 9 57 57 | 3 2 1 |
| 57 79 2 | 3 8 1 | 6 49 45 |
+------------+------------+----------+
| 4 5 1 | 2 6 3 | 8 7 9 |
| 2 789 3 | 78 1 79 | 5 46 46 |
| 78 6 79 | 578 4 579 | 1 3 2 |
+------------+------------+----------+
| 15 78 45 | 14 3 2 | 9 68 678 |
| 9 2 6 | 57 57 8 | 4 1 3 |
| 178 3 47 | 14 9 6 | 2 5 78 |
+------------+------------+----------+
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Play this puzzle online at the Daily Sudoku site |
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ZeroAssoluto
Joined: 05 Feb 2017
Posts: 942
Location: Rimini, Italy
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| Posted: Thu Mar 09, 2017 2:08 pm Post subject: |
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Hi everyone,
i find this way
| Quote: | | W-Wing 7,8 in r6c1,r7c2 connected by number 7 in r3c12 and r5c2,r9c1 not 8. |
Ciao
Gianni |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Thu Mar 09, 2017 4:47 pm Post subject: |
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| I used the 59-7 XY-Wing pivoted in r1c3 => -7r6c1. |
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ZeroAssoluto
Joined: 05 Feb 2017
Posts: 942
Location: Rimini, Italy
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| Posted: Thu Mar 09, 2017 10:46 pm Post subject: |
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Another way can be a XY-Chain:
r7c2 87 - r3c2 79 - r1c3 95 - r7c3 54 - r9c3 47 - r9c9 78 and we can delete 8 from r9c1-r7c8-r7c9.
Ciao
Gianni |
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