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ZeroAssoluto
Joined: 05 Feb 2017 Posts: 942 Location: Rimini, Italy
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Posted: Wed Jul 05, 2023 6:31 am Post subject: Jul 05 VH |
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Hi everyone,
Code: |
+-----------+----------+---------------+
| 5 49 3 | 6 7 2 | 8 149 149 |
| 1 7 8 | 34 5 9 | 34 2 6 |
| 49 6 2 | 348 1 48 | 3479 479 5 |
+-----------+----------+---------------+
| 8 1 6 | 479 2 47 | 5 3 49 |
| 2 49 49 | 5 8 3 | 16 16 7 |
| 479 3 5 | 479 6 1 | 49 8 2 |
+-----------+----------+---------------+
| 3 58 19 | 78 4 6 | 2 57 19 |
| 6 58 14 | 2 9 78 | 147 1457 3 |
| 49 2 7 | 1 3 5 | 469 469 8 |
+-----------+----------+---------------+
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Play this puzzle online at the Daily Sudoku site
first step
X-Wing with number 4 in r26c47 and -4 in r3c47,r4c4,r89c7
Code: |
+-----------+----------+--------------+
| 5 49 3 | 6 7 2 | 8 19 149 |
| 1 7 8 | 34 5 9 | 34 2 6 |
| 49 6 2 | 38 1 48 | 379 79 5 |
+-----------+----------+--------------+
| 8 1 6 | 79 2 47 | 5 3 49 |
| 2 49 49 | 5 8 3 | 16 16 7 |
| 479 3 5 | 479 6 1 | 49 8 2 |
+-----------+----------+--------------+
| 3 58 19 | 78 4 6 | 2 57 19 |
| 6 58 14 | 2 9 78 | 17 1457 3 |
| 49 2 7 | 1 3 5 | 69 469 8 |
+-----------+----------+--------------+
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Play this puzzle online at the Daily Sudoku site
second step XY-Wing 1,6,9 in r59c7,r7c9 and -1 in r8c7
or with only one step from r7c9
if r7c9=1 -1 in r7c3,r8c78
if r7c9=9 - r4c9=4 - r3c6=4 - r9c1=4 - r8c3=1 and -1 in r7c3,r8c78
Ciao Gianni |
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ZeroAssoluto
Joined: 05 Feb 2017 Posts: 942 Location: Rimini, Italy
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Posted: Wed Jul 05, 2023 6:34 am Post subject: |
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Obviously r6c1=7 from the beginning.
Ciao Gianni |
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