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Puzzle 10/09/14: B

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Tue Sep 14, 2010 6:13 am    Post subject: Puzzle 10/09/14: B Reply with quote
Code:
 +-----------------------+
 | . 3 . | . 5 . | . 9 7 |
 | 8 . . | 9 3 . | . 4 . |
 | . . 9 | 4 . . | 3 . 2 |
 |-------+-------+-------|
 | . 4 1 | 6 7 . | . 3 . |
 | 3 2 . | 5 9 4 | . 7 1 |
 | . . . | . 2 . | . . . |
 |-------+-------+-------|
 | . . 4 | . . . | 7 . . |
 | 7 9 . | 2 4 . | . . 3 |
 | 1 . 3 | . 8 . | . 2 . |
 +-----------------------+

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JC Van Hay



Joined: 13 Jun 2010
Posts: 494
Location: Charleroi, Belgium
PostPosted: Tue Sep 14, 2010 9:53 am    Post subject: Reply with quote
Quote:
X Chain (5)R42B7C7 : (5)r4c9=(5)r2c7 : => r2c9<>5
To avoid DP (49)R69C79 : => r69c9<>9
XY Wing Style : 9B6 4C7 (45)R9C9 : (9)r4c9=(5)r9c9 : => r4c9<>5
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Wed Sep 15, 2010 4:12 am    Post subject: Reply with quote
I think it was a one-stepper, W-Wing on 56, but I first played the Type 1 UR on 13, probably because it was there.
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