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Mar 11 VH

 
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 942
Location: Rimini, Italy
PostPosted: Mon Mar 11, 2024 10:32 am    Post subject: Mar 11 VH Reply with quote
Hi everyone,

Code:

+--------------+----------+------------+
| 24   9   7   | 48 1 5   | 248 3  6   |
| 15   24  8   | 3  7 6   | 245 29 159 |
| 3    6   15  | 48 2 9   | 48  7  15  |
+--------------+----------+------------+
| 7    3   4   | 5  6 8   | 9   1  2   |
| 9    1   6   | 7  4 2   | 3   5  8   |
| 8    5   2   | 9  3 1   | 7   6  4   |
+--------------+----------+------------+
| 1245 247 159 | 16 8 47  | 256 29 3   |
| 6    47  35  | 2  9 347 | 1   8  57  |
| 12   8   39  | 16 5 37  | 26  4  79  |
+--------------+----------+------------+

Play this puzzle online at the Daily Sudoku site

Quote:

UR 4,8 in r13c47 and r1c7=2
.


Ciao Gianni
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dongrave



Joined: 06 Mar 2014
Posts: 568
PostPosted: Mon Mar 11, 2024 7:04 pm    Post subject: Reply with quote
Using just VH moves the X Wing on 5's in rows 3 and 8 (-5r7c3, -5r2c9) opens up a 19-2 XY Wing (with pivot at r7c3) which solves it (-2r7c12, -2r9c7).
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