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ZeroAssoluto
Joined: 05 Feb 2017
Posts: 942
Location: Rimini, Italy
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 Posted: Thu Apr 18, 2024 9:47 am Post subject: Apr 18 VH |
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Hi everyone,
| Code: |
+-----------+----------+-----------+
| 8 4 5 | 7 3 6 | 1 9 2 |
| 7 2 6 | 8 1 9 | 4 5 3 |
| 3 1 9 | 45 45 2 | 8 7 6 |
+-----------+----------+-----------+
| 9 5 24 | 1 6 3 | 7 24 8 |
| 24 7 8 | 249 49 5 | 6 3 1 |
| 6 3 1 | 24 8 7 | 9 24 5 |
+-----------+----------+-----------+
| 24 9 2347 | 6 57 1 | 35 8 47 |
| 5 6 47 | 3 79 8 | 2 1 479 |
| 1 8 37 | 59 2 4 | 35 6 79 |
+-----------+----------+-----------+
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Play this puzzle online at the Daily Sudoku site
| Quote: |
XY-Wing 5,7,9 in r7c5,r9c49 and -7 in r7c9
or
W-Wing 4,7 in r7c9,r8c3 SL with number 7 in r9c39 and -4 in r7c13,r8c9
or
W-Wing 4,7 in r7c9,r8c3 SL with number 7 in r78c5 and -4 in r7c13,r8c9
.
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Ciao Gianni |
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Greenvilleguy
Joined: 01 Jul 2022
Posts: 24
Location: US
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| Posted: Mon Apr 22, 2024 12:30 pm Post subject: |
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| Did anyone solve this by anything other than trial? I see that R7C9 cannot be a 7, because of the way it relates to R7C5, R9C4 and R9C9; but it don't know why. |
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glesco
Joined: 12 May 2022
Posts: 36
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| Posted: Mon Apr 22, 2024 4:30 pm Post subject: |
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| It is an XY-Wing. if you highlight ZeroAssoluto's quote, there are that and a couple of other solution |
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