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Nov 01 VH

 
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 342
Location: Rimini, Italy

PostPosted: Thu Nov 01, 2018 8:17 am    Post subject: Nov 01 VH Reply with quote

Hi everyone,

Code:

+---------------+----------+--------------+
| 3    49  479  | 1  47 6  | 8   2    5   |
| 5    8   1467 | 9  47 2  | 3   467  14  |
| 2    146 1467 | 8  3  5  | 469 4679 149 |
+---------------+----------+--------------+
| 1469 7   1469 | 36 8  34 | 5   469  2   |
| 8    3   46   | 2  5  9  | 1   46   7   |
| 469  2   5    | 67 1  47 | 469 3    8   |
+---------------+----------+--------------+
| 149  149 8    | 37 2  37 | 49  5    6   |
| 69   5   2    | 4  69 8  | 7   1    3   |
| 7    469 3    | 5  69 1  | 2   8    49  |
+---------------+----------+--------------+

Play this puzzle online at the Daily Sudoku site

1) W-Wing 4,9 in r1c2,r7c7 SL with number 4 in r9c29 and -9 in r7c2
2) X-Wing with number 9 in r67c17 and -9 in r3c7,r4c1,r8c1

Ciao Gianni
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hughwill



Joined: 05 Apr 2010
Posts: 411
Location: Birmingham UK

PostPosted: Thu Nov 01, 2018 9:41 am    Post subject: Nov 1 VH Reply with quote

Instead of W wing in Gianni's solution, you can substitute 469 XYZ-wing
pivot r9c2 relieving r7c2 of its 9. Then the 9 X-wing appears to crack the
puzzle.
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