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Puzzle 11/04/12: B Moderate/Difficult (BBDB?)

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Tue Apr 12, 2011 10:42 pm    Post subject: Puzzle 11/04/12: B Moderate/Difficult (BBDB?) Reply with quote
Code:
 +-----------------------+
 | . 8 7 | 4 . . | . . 6 |
 | 3 9 . | . . 1 | . . 7 |
 | 6 . . | 3 7 . | 1 . . |
 |-------+-------+-------|
 | 8 . 3 | 7 . . | . . . |
 | . . 1 | . 4 3 | . . . |
 | . 7 . | . 2 . | 5 . . |
 |-------+-------+-------|
 | . . 2 | . . 4 | 3 . . |
 | . . . | . . . | . . . |
 | 7 4 . | . . . | . . 5 |
 +-----------------------+

Play this puzzle online at the Daily Sudoku site
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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Wed Apr 13, 2011 3:13 am    Post subject: Reply with quote
Two steps....

Quote:
AUR(68)r27c45 external sis; r2c7=8,r7c9=8; r89c7<>8
Type 1 UR(59)r14c56; r4c5<>59=1

Ted
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peterj



Joined: 26 Mar 2010
Posts: 974
Location: London, UK
PostPosted: Wed Apr 13, 2011 2:45 pm    Post subject: Reply with quote
Three steps - though 1 & 2 can be easily combined into an 'almost'...
Quote:
anp(68=9)r9c37 - (9=2)r1c7 - r1c6=r9c6 ; r9c6<>8
w-wing(29) (2=9)r9c6 - r3c6=r3c8 - (9=2)r1c7 ; r1c6<>2
type 1 ur(59)r14c56 ; r4c5<>59=1

Ted, nice UR move!
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Wed Apr 13, 2011 3:07 pm    Post subject: Reply with quote
Like peter, I closed with the W-Wing and UR, but played an X-Wing, M-Wing and Fin transport before getting there.
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