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Aug 2 DB

 
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Earl



Joined: 30 May 2007
Posts: 677
Location: Victoria, KS
PostPosted: Sat Aug 02, 2008 12:47 pm    Post subject: Aug 2 DB Reply with quote
This August 2 DB can be dispatched with a skyscraper (5).


Earl

Code:

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

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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Sat Aug 02, 2008 6:00 pm    Post subject: Reply with quote
Two additional one step solutions are coloring on <5> and an xy-wing on 568 with pivot at r1c5 that eliminates three <5s>.

Ted
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