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ZeroAssoluto
Joined: 05 Feb 2017
Posts: 940
Location: Rimini, Italy
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 Posted: Tue Jul 04, 2017 10:38 pm Post subject: Jul 05 VH |
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Hi everyone,
| Code: |
+------------+-------------+----------+
| 9 25 4 | 6 235 135 | 7 13 8 |
| 27 8 57 | 4 235 135 | 6 9 13 |
| 3 6 1 | 9 7 8 | 4 5 2 |
+------------+-------------+----------+
| 6 37 9 | 37 1 2 | 5 8 4 |
| 8 4 37 | 357 35 9 | 2 16 16 |
| 5 1 2 | 8 6 4 | 3 7 9 |
+------------+-------------+----------+
| 1 9 357 | 2 4 357 | 8 36 367 |
| 4 357 8 | 35 9 6 | 1 2 37 |
| 27 237 6 | 1 8 37 | 9 4 5 |
+------------+-------------+----------+
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Play this puzzle online at the Daily Sudoku site
| Quote: | | Skyscraper with number 3 in r4c4,r4c2,r9c2,r9c6 and -3 in r8c4. |
Ciao Gianni |
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Ajò Dimonios
Joined: 01 May 2017
Posts: 339
Location: Sassari Italy
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| Posted: Tue Jul 04, 2017 10:59 pm Post subject: |
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Another solution
Forcing chain [(3-5)R7C3=(5)R7C6-(5)R8C4 and (3)R7C3-(3)R7C89=(3)R8C9-(3)R8C4]=>contradiction R8C4=Ø=>-3R7C3=>Solution stte |
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Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
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| Posted: Wed Jul 05, 2017 5:29 am Post subject: |
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| XYZ-Wing (237), hinged r9c2=> -7r8c2. |
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