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Jun 28 VH

 
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 892
Location: Rimini, Italy

PostPosted: Wed Jun 28, 2023 9:37 am    Post subject: Jun 28 VH Reply with quote

Hi everyone,

Code:

+--------------+---------------+------------+
| 9   348  34  | 1    348   7  | 2   6   5  |
| 18  3468 2   | 3689 34689 5  | 148 189 7  |
| 5   7    16  | 2    4689  69 | 148 3   49 |
+--------------+---------------+------------+
| 34  346  5   | 369  2     1  | 37  79  8  |
| 18  2    169 | 3689 7     69 | 134 5   49 |
| 7   38   19  | 4    5     38 | 6   19  2  |
+--------------+---------------+------------+
| 36  9    7   | 3568 368   2  | 58  4   1  |
| 234 5    34  | 7    1     38 | 9   28  6  |
| 26  1    8   | 569  69    4  | 57  27  3  |
+--------------+---------------+------------+

Play this puzzle online at the Daily Sudoku site

Quote:
Simple color with number 8
Color 1 in r2c18,r5c4,r6c2,r7c7,r8c6
Color 2 in r5c1,r6c6,r8c8
and -8 in color 1


Ciao Gianni
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dongrave



Joined: 06 Mar 2014
Posts: 567

PostPosted: Wed Jun 28, 2023 8:05 pm    Post subject: Reply with quote

If you're using just VH moves, there's an X Wing on 6's in columns 3 and 6 (-6r3c5, -6r5c4) and an X Wing on 9's in columns 6 and 9 (-9r3c5, -9r5c34) and these along with some more basics opens up a 49-8 XY Wing at r2c8,r3c59 (-8r2c45, -8r3c7) which solves it.
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