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Aug 22 VH

 
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 290
Location: Rimini, Italy

PostPosted: Tue Aug 21, 2018 10:13 pm    Post subject: Aug 22 VH Reply with quote

Hi everyone,

Code:

+--------------+-----------------+---------------+
| 6   49  2    | 7     19   3    | 14   8   5    |
| 39  57  57   | 4     8    16   | 136  2   1369 |
| 349 8   1    | 569   569  2    | 7    46  369  |
+--------------+-----------------+---------------+
| 7   159 59   | 1569  2    8    | 169  3   4    |
| 149 6   349  | 139   7    14   | 2    5   8    |
| 8   2   3459 | 13569 1569 1456 | 169  16  7    |
+--------------+-----------------+---------------+
| 14  147 467  | 2     1356 156  | 8    9   136  |
| 2   3   8    | 16    4    9    | 5    7   16   |
| 5   19  69   | 8     136  7    | 1346 146 2    |
+--------------+-----------------+---------------+

Play this puzzle online at the Daily Sudoku site

Quote:
XY-Wing 1,4,9 in r19c2,r7c1 and -4 in r3c1,r7c2


Ciao Gianni
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jayagee



Joined: 26 Feb 2006
Posts: 13
Location: sunny north dakota

PostPosted: Thu Aug 23, 2018 1:47 am    Post subject: Reply with quote

double XY wing around r3c8 leads to r2c6=6 and r4c7 =r6c7 both =69.

from there it falls apart.
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