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Mar 21 VH

 
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 941
Location: Rimini, Italy
PostPosted: Tue Mar 21, 2023 10:03 am    Post subject: Mar 21 VH Reply with quote
Hi everyone,

Code:

+-------------+---------+-----------+
| 257 1  2457 | 9 3 47  | 26 246 8  |
| 3   28 2478 | 6 5 478 | 9  24  1  |
| 6   9  48   | 2 1 48  | 5  3   7  |
+-------------+---------+-----------+
| 59  56 3    | 7 8 2   | 4  1   69 |
| 29  7  269  | 3 4 1   | 8  5   69 |
| 8   4  1    | 5 9 6   | 3  7   2  |
+-------------+---------+-----------+
| 4   3  26   | 1 7 9   | 26 8   5  |
| 79  68 6789 | 4 2 5   | 1  69  3  |
| 1   25 259  | 8 6 3   | 7  29  4  |
+-------------+---------+-----------+

Play this puzzle online at the Daily Sudoku site

Quote:
XY-Wing 2,6,8 in r28c2,r7c3 and -2 in r12c3,r9c2
or
XY-Wing 2,5,6 in r49c2,r7c3 and -6 in r5c3,r8c2


Ciao Gianni
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 941
Location: Rimini, Italy
PostPosted: Wed Mar 29, 2023 8:16 am    Post subject: Reply with quote
Hi everyone,

XY-Chain in r2c2 - 8 - r8c2 - 6 - r8c8 - 9 - r9c8 and -2 in r2c8,r9c2

Ciao Gianni
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