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Apr 11 VH

 
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 871
Location: Rimini, Italy

PostPosted: Tue Apr 11, 2023 9:35 am    Post subject: Apr 11 VH Reply with quote

Hi everyone,

Code:

+----------+-------------+----------+
| 5 26 236 | 348  9  348 | 67  78 1 |
| 4 9  36  | 138  18 7   | 56  58 2 |
| 1 7  8   | 6    2  5   | 4   9  3 |
+----------+-------------+----------+
| 8 3  1   | 24   6  249 | 279 27 5 |
| 7 4  59  | 1235 15 239 | 29  6  8 |
| 2 56 569 | 58   7  89  | 1   3  4 |
+----------+-------------+----------+
| 9 25 4   | 7    3  1   | 8   25 6 |
| 6 1  25  | 9    58 28  | 3   4  7 |
| 3 8  7   | 25   4  6   | 25  1  9 |
+----------+-------------+----------+

Play this puzzle online at the Daily Sudoku site

Quote:
XY-Wing
1,5,8 in r25c5,r6c4 and -8 in r12c4
or
2,5,8 in r69c4,r8c6 and -8 in r6c6


Ciao Gianni
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 871
Location: Rimini, Italy

PostPosted: Mon Apr 17, 2023 9:08 am    Post subject: Reply with quote

Hi everyone,

XY-Chain
r1c8-7-r4c8-2-r5c7-9-r5c3-5-r5c5-1-r2c5 and -8 in r1c46,r2c8

Ciao Gianni
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