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Sep 05 VH

 
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 942
Location: Rimini, Italy
PostPosted: Tue Sep 05, 2023 8:11 am    Post subject: Sep 05 VH Reply with quote
Hi everyone,

Code:

+------------+--------------+------------+
| 2  6  18   | 58  4    15  | 7   3  9   |
| 9  17 1478 | 78  1678 3   | 456 2  456 |
| 5  3  47   | 2   67   9   | 8   1  46  |
+------------+--------------+------------+
| 8  17 179  | 357 1357 6   | 39  4  2   |
| 3  4  5    | 89  89   2   | 1   67 67  |
| 6  2  179  | 4   137  17  | 39  5  8   |
+------------+--------------+------------+
| 47 5  2    | 39  39   8   | 46  67 1   |
| 47 9  6    | 1   57   457 | 2   8  3   |
| 1  8  3    | 6   2    47  | 45  9  457 |
+------------+--------------+------------+

Play this puzzle online at the Daily Sudoku site

XY-Wing 1,7,8 in r1c3,r2c24 and -8 in r1c4,r2c3

Ciao Gianni
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TomC



Joined: 30 Oct 2020
Posts: 358
Location: Wales
PostPosted: Tue Sep 05, 2023 8:55 am    Post subject: Reply with quote
Remove <6> from r3c9 to solve

If r3c9 = 6 then r5c9 = 7 which creates a <45> Unique Rectangle in r29c79
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