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Puzzle 11/03/07: ~ Moderate

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Mon Mar 07, 2011 9:37 pm    Post subject: Puzzle 11/03/07: ~ Moderate Reply with quote
Code:
 +-----------------------+
 | 2 8 . | . 3 5 | . . 6 |
 | 4 1 . | . 7 9 | . . . |
 | . . 3 | 4 . . | . . . |
 |-------+-------+-------|
 | . . 4 | 3 . . | . . . |
 | 6 9 . | . 5 7 | 3 . 4 |
 | 3 5 . | . 4 6 | . . . |
 |-------+-------+-------|
 | . . . | . 8 . | 2 . 9 |
 | . . . | . . . | . . . |
 | 1 . . | . 9 . | 4 . 8 |
 +-----------------------+

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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Tue Mar 08, 2011 4:40 am    Post subject: Reply with quote
I found this to be a rather difficult moderate.

XYZ-Wing
XY-Wing
XY-Loop
ER
AIC
XY-Wing
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peterj



Joined: 26 Mar 2010
Posts: 974
Location: London, UK
PostPosted: Tue Mar 08, 2011 9:11 am    Post subject: Reply with quote
I had a fortunate find then with a wing-like move...
Quote:
w-wing-like(57) ; (56=7)r2c3|r3c2 - r4c2=r4c1 - (7=5)r7c1 ; r3c1<>5, r79c3<>5
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