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ZeroAssoluto
Joined: 05 Feb 2017
Posts: 872
Location: Rimini, Italy
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 Posted: Sun Jul 16, 2023 8:14 am Post subject: Jul 16 VH |
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Hi everyone,
| Code: |
+---------------+--------------+------------+
| 3 26 1 | 5 8 26 | 49 79 47 |
| 2579 4 2579 | 27 379 239 | 6 1 8 |
| 79 689 789 | 1 4679 469 | 5 2 3 |
+---------------+--------------+------------+
| 1 258 258 | 9 37 28 | 37 4 6 |
| 4 89 389 | 678 1 368 | 37 5 2 |
| 6 7 23 | 24 34 5 | 1 8 9 |
+---------------+--------------+------------+
| 8 3 27 | 46 4569 1 | 249 79 457 |
| 27 1 6 | 48 459 489 | 249 3 457 |
| 59 59 4 | 3 2 7 | 8 6 1 |
+---------------+--------------+------------+
|
Play this puzzle online at the Daily Sudoku site
first step
XY-Wing 2,4,8 in r4c6,r68c4 and -8 in r5c4,r8c6
| Code: |
+---------------+-------------+------------+
| 3 26 1 | 5 8 26 | 49 79 47 |
| 2579 4 2579 | 27 379 239 | 6 1 8 |
| 79 689 789 | 1 4679 469 | 5 2 3 |
+---------------+-------------+------------+
| 1 258 258 | 9 37 28 | 37 4 6 |
| 4 89 389 | 67 1 368 | 37 5 2 |
| 6 7 23 | 24 34 5 | 1 8 9 |
+---------------+-------------+------------+
| 8 3 27 | 46 4569 1 | 249 79 457 |
| 27 1 6 | 8 459 49 | 249 3 457 |
| 59 59 4 | 3 2 7 | 8 6 1 |
+---------------+-------------+------------+
|
Play this puzzle online at the Daily Sudoku site
second step
XY-Wing 2,6,7 in r1c6,r25c4 and -6 in r5c6
or in only one step
XY-Chain from r2c4 - 2 - r6c4 - 4 - r6c5 - 3 - r4c5 and -7 in r23c5,r5c4
Ciao Gianni |
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