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Mogulmeister
Joined: 03 May 2007
Posts: 1151
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 Posted: Tue Aug 24, 2021 10:24 am Post subject: Is it a Wing? Is it a chain ? Is it an ALS xz ? |
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Is it a Wing? Is it a chain ? Is it an ALS xz ?
All of the above with a not quite symmetrical feel to it. 5's eliminated at r3c4 and r7c6.
Pincers/Wing-tips shown by *. Or two sets A&B with restricted common (x) = 8 and common candidate (z) is= 5. Elimination of either 5 solves the puzzle.
| Code: | +----------------+----------------+----------------+
| 9 358 38 | 1 2 A35* | 6 7 4 |
| 35 6 2 | 4 389 7 | 3589 3589 1 |
| 7 1 4 | 38-5 389 6 | 3589 2 389 |
+----------------+----------------+----------------+
| 2 4 7 | 9 5 A38 | 1 38 6 |
| 1 38 6 | 2 7 4 | 3589 3589 389 |
| 35 3589 389 |B38 6 1 | 7 4 2 |
+----------------+----------------+----------------+
| 8 379 1 |B35* 4 39-5 | 2 6 379 |
| 4 379 5 | 6 38 2 | 389 1 3789 |
| 6 2 39 | 7 1 389 | 4 389 5 |
+----------------+----------------+----------------+
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Mogulmeister
Joined: 03 May 2007
Posts: 1151
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| Posted: Tue Aug 24, 2021 10:30 am Post subject: |
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This from something I did in 2010 !
We use convenient handles to describe different Sudoku strategies but often it is a pattern or overlay all of which obtain the same result. |
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immpy
Joined: 06 May 2017
Posts: 571
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| Posted: Tue Aug 24, 2021 5:17 pm Post subject: |
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| Great example and illustration Mogulmeister. Thanks. |
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