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Feb 23 DB

 
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Earl



Joined: 30 May 2007
Posts: 677
Location: Victoria, KS
PostPosted: Sat Feb 23, 2008 2:00 pm    Post subject: Feb 23 DB Reply with quote
The Feb 23 DB can be solved with one xy-wing.


Earl


Code:

+-------+-------+-------+
| . 1 . | 6 . . | 2 . 8 |
| . 5 . | . . . | 4 . 7 |
| . . . | . 7 1 | . 3 . |
+-------+-------+-------+
| . 7 6 | 5 . . | . . . |
| . . 5 | . 1 . | 9 . . |
| . . . | . . 2 | 5 6 . |
+-------+-------+-------+
| . 4 . | 3 6 . | . . . |
| 7 . 9 | . . . | . 4 . |
| 3 . 2 | . . 7 | . 5 . |
+-------+-------+-------+

Play this puzzle online at the Daily Sudoku site
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storm_norm



Joined: 18 Oct 2007
Posts: 1741
PostPosted: Sun Feb 24, 2008 3:25 am    Post subject: Reply with quote
i agree, one xy-wing, {1,8,9} pincers in r7c6 adn r9c4


the grid after basics is also a BUG+1
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