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Puzzle 10/08/21: easy XY ???

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Sat Aug 21, 2010 3:27 pm    Post subject: Puzzle 10/08/21: easy XY ??? Reply with quote
Code:
 +-----------------------+
 | . . . | . 4 6 | 5 . 3 |
 | . 8 . | . 2 . | . . . |
 | . . 4 | 3 . . | . . . |
 |-------+-------+-------|
 | 7 . 8 | . . . | 4 . . |
 | . 6 . | 1 5 . | . 7 . |
 | 5 . . | . . 3 | . . . |
 |-------+-------+-------|
 | 6 . . | 9 . . | 1 8 . |
 | . 4 . | . 1 . | 2 3 . |
 | . . . | . . . | . . 4 |
 +-----------------------+

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peterj



Joined: 26 Mar 2010
Posts: 974
Location: London, UK
PostPosted: Sat Aug 21, 2010 7:16 pm    Post subject: Reply with quote
Possibly a bit easier, but a nice example of the species!
Quote:
x-wing(9)
w-wing(57) (7=5)r2c4 - r9c4=r9c8 - (5=7)r7c9 ; r2c9<>7
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Sun Aug 22, 2010 10:13 pm    Post subject: Reply with quote
Chain; r9c4<>5
Hidden UR (57); r8c4<>5
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