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ZeroAssoluto
Joined: 05 Feb 2017
Posts: 942
Location: Rimini, Italy
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 Posted: Sun Feb 20, 2022 10:55 am Post subject: Feb 20 VH |
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Hi everyone,
| Code: |
+--------------+---------+----------------+
| 27 6 3 | 8 1 5 | 4 279 29 |
| 24578 578 45 | 3 26 9 | 1 2678 268 |
| 28 9 1 | 4 7 26 | 268 5 3 |
+--------------+---------+----------------+
| 456 15 9 | 7 8 26 | 3 246 1246 |
| 3 78 46 | 9 26 1 | 2678 2468 5 |
| 678 178 2 | 5 4 3 | 678 689 1689 |
+--------------+---------+----------------+
| 56 4 56 | 2 3 8 | 9 1 7 |
| 1 3 8 | 6 9 7 | 5 24 24 |
| 9 2 7 | 1 5 4 | 68 3 68 |
+--------------+---------+----------------+
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Play this puzzle online at the Daily Sudoku site
| Quote: | Skyscraper with number 2 in r25c5,r35c7 and -2 in r2c89,r3c6
or
Skyscraper with number 2 in r34c6,r35c7 and -2 in r4c89,r5c5
or
W-Wing 2,6 in r3c6,r5c5 SL with number 2 in r35c7 and -6 in r2c5,r4c6 |
Ciao Gianni |
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TomC
Joined: 30 Oct 2020
Posts: 358
Location: Wales
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| Posted: Sun Feb 20, 2022 11:09 am Post subject: |
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Look at box 4
If r4c2 = 1 then r4c1=5, r7c1=6 and r6c1 = <78>
also r56c2 would be <78> as well
We have a <78> "triple" which is impossible, so r4c2 = 5
Or you could start with r4c1= 5 and see the same result |
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dongrave
Joined: 06 Mar 2014
Posts: 568
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| Posted: Sun Feb 20, 2022 1:34 pm Post subject: |
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| The standard VH move that I used was the 456 XYZ-Wing with pivot at r4c1 (-6r6c1). |
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