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Nov 16 VH

 
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA

PostPosted: Thu Nov 16, 2017 6:04 am    Post subject: Nov 16 VH Reply with quote

Code:

+---------------+-----------+-------------+
| 49    49 6    | 2  7   5  | 8  3   1    |
| 3     5  8    | 1  6   9  | 2  4   7    |
| 2     7  1    | 4  3   8  | 5  69  69   |
+---------------+-----------+-------------+
| 14579 49 4579 | 57 145 3  | 6  8   2    |
| 145   8  3    | 6  9   2  | 7  15  45   |
| 1457  6  2    | 8  145 47 | 34 159 3459 |
+---------------+-----------+-------------+
| 4579  2  4579 | 3  45  6  | 1  57  8    |
| 8     3  457  | 57 2   1  | 9  567 456  |
| 6     1  457  | 9  8   47 | 34 2   345  |
+---------------+-----------+-------------+

Play this puzzle online at the Daily Sudoku site

XYZ-Wing (35-4) hinged r9c9=> -4r8c9
DP (34)r69c79 killers yield common outcome 3r6c7
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the_lock_man



Joined: 18 Dec 2012
Posts: 40
Location: Portsmarfff, UK

PostPosted: Thu Nov 16, 2017 12:11 pm    Post subject: Reply with quote

Curses

I didn't spot the XYZ, and could only find a two-stepper.

X Wing on 4 in columns 6 & 7 turns Marty's XYZ wing into an XY wing, removing 4 from r6c7, then stte.
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