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April 3 VH

 
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roaa



Joined: 18 Apr 2009
Posts: 71
Location: Sweden

PostPosted: Sun Apr 03, 2011 8:37 am    Post subject: April 3 VH Reply with quote

As usual an xy-wing (345) solved it.
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kuskey



Joined: 10 Dec 2008
Posts: 125
Location: Pembroke, NH

PostPosted: Sun Apr 03, 2011 9:31 pm    Post subject: Apr 3 VH Reply with quote

Also a 356 XY-Wing pivot r1c9 setting r3c1<>6.
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Marty R.



Joined: 12 Feb 2006
Posts: 5128
Location: Rochester, NY, USA

PostPosted: Mon Apr 04, 2011 5:03 pm    Post subject: Reply with quote

If you want to stray from the usual, a Finned X-Wing on 4 in rows 46 forces r6c5<>4.

Code:

+-----------+--------------+------------+
| 456  56 2 | 9   7   3456 | 1   8   35 |
| 1    9  3 | 8   456 456  | 26  245 7  |
| 456  7  8 | 34  1   2    | 36  45  9  |
+-----------+--------------+------------+
| 35   35 9 | 1   246 46   | 8   7   24 |
| 7    1  4 | 5   23  8    | 239 29  6  |
| 8    2  6 | 7   34  9    | 5   1   34 |
+-----------+--------------+------------+
| 29   4  5 | 6   8   7    | 29  3   1  |
| 2369 36 1 | 234 45  345  | 7   269 8  |
| 236  8  7 | 23  9   1    | 4   256 25 |
+-----------+--------------+------------+

Play this puzzle online at the Daily Sudoku site
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