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Feb 28 VH

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ZeroAssoluto

Joined: 05 Feb 2017
Posts: 1020
Location: Rimini, Italy

Posted: Mon Feb 28, 2022 10:12 am Post subject: Feb 28 VH

Hi everyone,

Code:

+--------------+---------------+------------+
| 7 269 2369 | 59 3459 349 | 1 25 8 |
| 39 8 239 | 1579 3579 139 | 4 25 6 |
| 4 5 1 | 8 2 6 | 3 9 7 |
+--------------+---------------+------------+
| 69 7 8 | 4 369 139 | 2 16 5 |
| 1 3 69 | 2 69 5 | 7 8 4 |
| 2 4 5 | 16 8 7 | 9 136 13 |
+--------------+---------------+------------+
| 5 69 4 | 3 1 89 | 68 7 2 |
| 8 1269 2369 | 5679 5679 29 | 56 4 13 |
| 36 126 7 | 56 456 248 | 568 13 9 |
+--------------+---------------+------------+

Play this puzzle online at the Daily Sudoku site

XY-Wing 1,3,6 in r4c8,r9c18 and -6 in r4c1

Ciao Gianni

Mogulmeister

Joined: 03 May 2007
Posts: 1151

Posted: Mon Feb 28, 2022 4:16 pm Post subject:

There are pincers for 3 at r2c1 and r9c8 so r9c1 < > 3. (a - d)

Code:

+--------------+---------------+------------+
| 7 269 2369 | 59 3459 349 | 1 25 8 |
| 39a 8 239 | 1579 3579 139 | 4 25 6 |
| 4 5 1 | 8 2 6 | 3 9 7 |
+--------------+---------------+------------+
| 69b 7 8 | 4 369 139 | 2 16c 5 |
| 1 3 69 | 2 69 5 | 7 8 4 |
| 2 4 5 | 16 8 7 | 9 136 13 |
+--------------+---------------+------------+
| 5 69 4 | 3 1 89 | 68 7 2 |
| 8 1269 2369 | 5679 5679 29 | 56 4 13 |
| ③6 126 7 | 56 456 248 | 568 13d 9 |
+--------------+---------------+------------+

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