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Jul 14 VH

 
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 290
Location: Rimini, Italy

PostPosted: Fri Jul 13, 2018 10:19 pm    Post subject: Jul 14 VH Reply with quote

Hi everyone

Code:

+-------------+-------+-----------+
| 3   2   4   | 5 6 1 | 8   9  7  |
| 18  168 16  | 9 7 3 | 2   4  5  |
| 7   9   5   | 2 8 4 | 3   1  6  |
+-------------+-------+-----------+
| 489 468 7   | 3 1 5 | 469 2  89 |
| 5   168 169 | 7 4 2 | 169 68 3  |
| 14  3   2   | 8 9 6 | 7   5  14 |
+-------------+-------+-----------+
| 49  5   3   | 1 2 7 | 469 68 89 |
| 6   7   19  | 4 5 8 | 19  3  2  |
| 2   14  8   | 6 3 9 | 5   7  14 |
+-------------+-------+-----------+

Play this puzzle online at the Daily Sudoku site

Quote:
Remote Pair with 1,4 in r6c1,r6c9,r9c9,r9c2 and -4 in r4c2,r7c1 and -1 in r5c2
or
W-Wing 1,4 in r6c1,r9c2 connected by number 1 in r69c9 and -4 in r4c2,r7c1
or
W-Wing 1,4 in r6c1,r9c9 connected by number 4 in r7c17 and -1 in r6c9


Ciao Gianni
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Rocky Mozell



Joined: 28 Jul 2010
Posts: 33
Location: Boston, MA

PostPosted: Sat Jul 14, 2018 2:49 pm    Post subject: Reply with quote

Also X wing on 9's in c1,9.
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RobertRattley



Joined: 24 Jun 2007
Posts: 83
Location: Australia

PostPosted: Wed Jul 25, 2018 3:37 am    Post subject: Reply with quote

I cannot see how the x wing solves the puzzle.

I found a two-step solution: xy wing 149 followed by xy wing 689.
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