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Dec 19 VH

 
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hughwill



Joined: 05 Apr 2010
Posts: 414
Location: Birmingham UK

PostPosted: Fri Dec 19, 2014 3:01 pm    Post subject: Dec 19 VH Reply with quote

Code:

+--------------+-------------+--------------+
| 9    56  147 | 367  8   35 | 347 2   1347 |
| 17   26  8   | 2367 29  4  | 379 5   1379 |
| 47   25  3   | 27   1   59 | 479 8   6    |
+--------------+-------------+--------------+
| 257  39  257 | 1    6   39 | 8   4   27   |
| 2348 389 24  | 5    249 7  | 6   1   239  |
| 2347 1   6   | 23   249 8  | 5   379 2379 |
+--------------+-------------+--------------+
| 6    38  9   | 48   5   1  | 2   37  3478 |
| 2358 4   25  | 9    7   26 | 1   36  38   |
| 128  7   12  | 2468 3   26 | 49  69  5    |
+--------------+-------------+--------------+

Play this puzzle online at the Daily Sudoku site

259 XY-Wing pivot r3c6 does it. (Where is everyone today??)
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Marty R.



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

PostPosted: Sat Dec 20, 2014 1:54 am    Post subject: Reply with quote

I'm here. I played the same move, but the grid shown doesn't have the 2 in r3c6.
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dongrave



Joined: 06 Mar 2014
Posts: 332

PostPosted: Sat Dec 20, 2014 2:29 am    Post subject: Reply with quote

Hi guys, I'm here too! I just don't bother chiming in if my solution has already been posted (and I had the same solution as Hugh). Hey Marty, I didn't have a 2 in r3c6 either - because of the naked 2-6 pair in c6 but you don't need one there anyway because the XY wing consists of the 2-5 in r3c2, the 5-9 in r3c6, and the 2-9 in r2c5 which eliminates the 2 from r2c2 which solves it. (I'm sure you already knew that.)
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