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4 June VH

 
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kragzy



Joined: 01 May 2007
Posts: 112
Location: Australia

PostPosted: Thu Jun 04, 2009 12:26 am    Post subject: 4 June VH Reply with quote

Hi fellow Sudokers,

I'm back, after THREE months away. All at SIXes and SEVENs.

Cheers
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Earl



Joined: 30 May 2007
Posts: 677
Location: Victoria, KS

PostPosted: Thu Jun 04, 2009 1:57 am    Post subject: June 4 VH Reply with quote

Multiple choice.

Solutions: obvious UR (67), or the old reliable xy-wing (367). The other (489) won't crack it.

Earl
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crunched



Joined: 05 Feb 2008
Posts: 168

PostPosted: Thu Jun 04, 2009 4:48 am    Post subject: Reply with quote

Here is the grid after removing all basics that I noticed.
Earl's xy-wing does it.
I never noticed the UR, until mentioned by the other posters. Sure 'nuff.

Code:

+--------------+------------+-----------+
| 5   2   7    | 8  469 1   | 469 49  3 |
| 49  14  149  | 26 3   5   | 267 67  8 |
| 6   8   3    | 29 7   49  | 249 5   1 |
+--------------+------------+-----------+
| 349 134 5    | 7  8   2   | 49  149 6 |
| 8   7   49   | 1  469 469 | 5   3   2 |
| 249 6   1249 | 5  49  3   | 8   149 7 |
+--------------+------------+-----------+
| 37  9   68   | 36 5   678 | 1   2   4 |
| 1   34  48   | 39 2   89  | 67  67  5 |
| 27  5   26   | 4  1   67  | 3   8   9 |
+--------------+------------+-----------+

Play this puzzle online at the Daily Sudoku site
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