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May 15 DB

 
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Earl



Joined: 30 May 2007
Posts: 677
Location: Victoria, KS
PostPosted: Sat May 15, 2010 2:07 pm    Post subject: May 15 DB Reply with quote
The May 15 DB is a single shot.

A Solution: skyscraper (8)



Earl

Code:

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

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peterj



Joined: 26 Mar 2010
Posts: 974
Location: London, UK
PostPosted: Sat May 15, 2010 4:46 pm    Post subject: Reply with quote
Yep, or an xy-chain that makes the same eliminations with the same pincer cells across the same rows/columns!

Quote:
(8=3)r1c8-(3=8)r1c2-(8=1)r6c2-(1=9)r6c4-(9=6)r6c6-(6=8)r67; r23c7<>8
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