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Nov 25 VH

 
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 868
Location: Rimini, Italy

PostPosted: Fri Nov 25, 2022 9:06 am    Post subject: Nov 25 VH Reply with quote

Hi everyone,

Code:

+----------+----------+-----------+
| 4  3  57 | 57  2 9  | 1   8  6  |
| 56 8  2  | 567 1 4  | 57  9  3  |
| 1  67 9  | 567 3 8  | 4   2  57 |
+----------+----------+-----------+
| 38 5  1  | 2   4 6  | 78  37 9  |
| 9  67 4  | 8   5 37 | 2   36 1  |
| 38 2  67 | 1   9 37 | 68  5  4  |
+----------+----------+-----------+
| 56 4  56 | 3   7 2  | 9   1  8  |
| 7  1  8  | 9   6 5  | 3   4  2  |
| 2  9  3  | 4   8 1  | 567 67 57 |
+----------+----------+-----------+

Play this puzzle online at the Daily Sudoku site

Quote:
XY-Wing 5,6,7 in r2c1,r3c29 and -5 in r2c7
or
XY-Wing 5,6,7 in r2c17,r3c2 and -7 in r3c9
or
W-Wing 5,7 in r1c4,r2c7 SL with number 5 in r3c49 (or in r1c3,r2c1) and -7 in r2c4
or W-Wing 5,7 in r1c4,r3c9 SL with number 7 in r2c47 (or in r1c3,r3c2) and -5 in r3c4


Ciao Gianni
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glesco



Joined: 12 May 2022
Posts: 35

PostPosted: Fri Nov 25, 2022 6:46 pm    Post subject: Reply with quote

I used a swordfish to remove 5 from r1c4
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dongrave



Joined: 06 Mar 2014
Posts: 563

PostPosted: Mon Nov 28, 2022 2:25 pm    Post subject: Reply with quote

glesco wrote:
I used a swordfish to remove 5 from r1c4


If anyone out there sees the swordfish on 5's that glesco is referring to, would you point out to me which 3 rows or columns it's in? I looked for a long time and I don't see it! Thanks!
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