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Puzzle 11/07/23: ~ Advanced (BBDB?)

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854

PostPosted: Sat Jul 23, 2011 9:59 pm    Post subject: Puzzle 11/07/23: ~ Advanced (BBDB?) Reply with quote

Lately, I've failed to add the BBDB. Don't take this one as ominous.

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

Play this puzzle online at the Daily Sudoku site
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peterj



Joined: 26 Mar 2010
Posts: 974
Location: London, UK

PostPosted: Mon Jul 25, 2011 4:29 pm    Post subject: Reply with quote

Three steps - but with out-of-rating wing move...
Quote:
x-wing(5)
w-wing-like(23) (2=3)r5c7 - r9c7=r9c2 - (3=4)r1c2-(4=2)r1c9 ; r2c7<>2, r45c9<>2
BUG+2[(4)r2c4=r8c2] ; r2c1<>4
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA

PostPosted: Tue Jul 26, 2011 1:26 am    Post subject: Reply with quote

This is another embarrassment, as I used a Skyscraper and eight assorted wings. No need to go into the details.
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