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Puzzle 10/08/16: B BBDB Advanced+

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Mon Aug 16, 2010 5:21 pm    Post subject: Puzzle 10/08/16: B BBDB Advanced+ Reply with quote
... and used gsf's solver to make a harder puzzle with fewer clues ... (see next puzzle)

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

Play this puzzle online at the Daily Sudoku site
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Tue Aug 17, 2010 1:18 am    Post subject: Reply with quote
Quote:
XY-Wing (276)
Skyscraper (9)
An old Norm special: a mixed W-Wing
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peterj



Joined: 26 Mar 2010
Posts: 974
Location: London, UK
PostPosted: Tue Aug 17, 2010 10:45 am    Post subject: Reply with quote
Enjoyed this puzzle - definitely BBDB for me avoiding XY moves..
Quote:
skyscraper(9) ; r6c8<>9, r7c7<>9
xy-wing(27-6) r2c2 ; r1c78<>6
xy-wing(26-7) r5c9 ; r5c7<>7
type 6 UR(56) ; r5c5<>5, r6c7<>5
type 1 UR(68) ; r8c5<>68
xy-wing(29-6) pseudocell hinge (2=9)r5c9|r6c7 ; r8c6<>6
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