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ZeroAssoluto
Joined: 05 Feb 2017 Posts: 872 Location: Rimini, Italy
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Posted: Sat Dec 30, 2023 10:20 am Post subject: Dec 30 VH |
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Hi everyone,
Code: |
+-------------+-----------+-----------+
| 6 3 25 | 25 1 8 | 9 4 7 |
| 57 1578 258 | 4 6 9 | 15 28 3 |
| 4 158 9 | 3 7 25 | 15 28 6 |
+-------------+-----------+-----------+
| 57 2 1 | 578 9 56 | 3678 37 4 |
| 3 57 6 | 1 58 4 | 78 9 2 |
| 8 9 4 | 27 3 26 | 67 1 5 |
+-------------+-----------+-----------+
| 9 58 358 | 568 2 7 | 4 36 1 |
| 1 4 578 | 568 58 3 | 2 67 9 |
| 2 6 37 | 9 4 1 | 37 5 8 |
+-------------+-----------+-----------+
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Play this puzzle online at the Daily Sudoku site
Quote: | XYZ-Wing 5,7,8 in r4c14,r5c5 and -5 in r4c6 |
Ciao Gianni |
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TomC
Joined: 30 Oct 2020 Posts: 349 Location: Wales
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Posted: Sat Dec 30, 2023 6:49 pm Post subject: |
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Remove <2> from r6c4 to solve
Quote: | A short chain leads to a contradiction
If r6c4=2, r6c6=6, r4c6=5, r4c1=7 then no <7>'s in box 5 |
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