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Puzzle 10/10/25: B XY

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Mon Oct 25, 2010 4:30 am    Post subject: Puzzle 10/10/25: B XY Reply with quote
Code:
 +-----------------------+
 | 3 . 6 | 8 . . | 1 . 5 |
 | . . 8 | . . 5 | . . 6 |
 | 2 9 5 | 1 . . | 8 . 3 |
 |-------+-------+-------|
 | 6 . 1 | . . 3 | . 9 4 |
 | . . . | . 6 . | . 8 1 |
 | . 3 . | 5 . . | . . 2 |
 |-------+-------+-------|
 | 5 . 3 | . . . | 2 . . |
 | . . . | 3 1 . | . . . |
 | 1 6 7 | 9 5 2 | . . 8 |
 +-----------------------+

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: Mon Oct 25, 2010 3:00 pm    Post subject: Reply with quote
I just had to do something with all the (47) bivalues......

Quote:
Flightless w-wing(47) r1c2 & r7c5 with grouped SL (7)r157c6 where (7)r5c6-r5c1=r2c1-(7=4)r1c2 plus transport (4)r1c2-r78c2=r8c13; r8c6<>4

At this point numerous RPs on (47), coloring 7 or BUG+1 completes the puzzle.

Ted
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peterj



Joined: 26 Mar 2010
Posts: 974
Location: London, UK
PostPosted: Mon Oct 25, 2010 4:07 pm    Post subject: Reply with quote
Two steps with a nice wing..
Quote:
s-wing(79) ; (7)r1c2=r2c1 - (7=9)r5c1 - (9)r5c6=r1c6 ; r1c6<>7
turbot/ER(7) r4, b1 ; r2c4<>7
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Tue Oct 26, 2010 1:23 am    Post subject: Reply with quote
DP (49) boxes 47; r1c56=29 is forced
XY-Wing (794); r8c6<>4
Remote pairs (47); r5c1<>7 or alternative BUG+1
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