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Feb 28 DB

 
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Earl



Joined: 30 May 2007
Posts: 677
Location: Victoria, KS
PostPosted: Sat Feb 28, 2009 2:32 pm    Post subject: Feb 28 DB Reply with quote
The Feb 28 DB is a single-step xy-wing (138).

Earl

Code:

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

Play this puzzle online at the Daily Sudoku site
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sudocraz



Joined: 28 Apr 2008
Posts: 53
PostPosted: Wed Mar 04, 2009 11:37 pm    Post subject: Reply with quote
Hi Earl,

This might have been a one step for you but it wasn't for me. Maybe I missed something when I was doing the basics. Shocked It took me 2 xy-wings and 3 xyz-wings for me to solve this puzzle. The XY-wing 138, which I started off with only gave me a 1.

I guess that I had more fun with this puzzle than you did. Laughing
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