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Jan 13 VH

 
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immpy



Joined: 06 May 2017
Posts: 570

PostPosted: Mon Jan 13, 2020 9:39 am    Post subject: Jan 13 VH Reply with quote

Hello all,

After basics...

Code:

+-----------+---------+-----------+
| 68  68 7  | 2  4 5  | 9 1   3   |
| 4   25 25 | 9  1 3  | 6 7   8   |
| 3   1  9  | 6  8 7  | 2 5   4   |
+-----------+---------+-----------+
| 2   68 4  | 5  9 68 | 7 3   1   |
| 1   59 56 | 3  7 4  | 8 269 269 |
| 689 7  3  | 1  2 68 | 4 69  5   |
+-----------+---------+-----------+
| 679 3  68 | 78 5 2  | 1 4   69  |
| 5   29 28 | 4  6 1  | 3 89  7   |
| 67  4  1  | 78 3 9  | 5 268 26  |
+-----------+---------+-----------+

Play this puzzle online at the Daily Sudoku site

Skyscraper: 9 in r6c8,r7c9 (connected by r67c1)=>r5c9,r8c8<>9.
cheers...immp
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 868
Location: Rimini, Italy

PostPosted: Mon Jan 13, 2020 10:13 am    Post subject: Reply with quote

Hi everyone,

other possibilities:
XY-Wing 6,7,8 in r7c34,r9c1 and -7 in r7c1,r9c4
or
XY-Wing 6,7,8 in r7c3,r9c14 and -8 in r7c4
or
XY-Wing 6,8,9 in r7c39,r8c8 and -8 in r8c3
or
XYZ-Wing 6,7,9 in r7c19,r9c1 and -6 in r7c3

Ciao Gianni
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