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April 19 DB

 
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Earl



Joined: 30 May 2007
Posts: 677
Location: Victoria, KS
PostPosted: Sat Apr 19, 2008 12:25 pm    Post subject: April 19 DB Reply with quote
The April 19 DB succumbs to an xy-chain to eliminate the 5 in R5C8. Any neater solutions?


Earl


Code:

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

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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Sat Apr 19, 2008 4:51 pm    Post subject: Reply with quote
I couldn't find anything neater. I used Medusa to do it in.
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