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Set VH_2 Puzzle 40

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Mon Mar 16, 2009 4:53 pm    Post subject: Set VH_2 Puzzle 40 Reply with quote
Code:
 +-----------------------+
 | 7 . 1 | . 8 . | 5 6 . |
 | . 3 . | 9 . . | 8 . . |
 | 8 . . | . . . | 2 . 9 |
 |-------+-------+-------|
 | . 7 . | 8 . . | . . . |
 | 9 . . | . 2 . | . . . |
 | . . . | . . 1 | . . 5 |
 |-------+-------+-------|
 | 2 5 9 | . . . | 7 8 . |
 | 3 . . | . . . | 9 . . |
 | . . 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: Mon Mar 16, 2009 6:26 pm    Post subject: Reply with quote
Three "bivalue type" steps:
Quote:
xy_wing 456 with pivot <45> at r2c1
Type 6 UR46 with strong links on both digits for deletions,
xyz-wing356 with pivot at r5c4.

Ted
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Thu Mar 19, 2009 4:45 am    Post subject: Reply with quote
I used a W-Wing on 46, then an XYZ on 356. At least two different moves would have finished it off, either a W-Wing on 16 or simple coloring on 1.
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