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Set NNP Puzzle 22

 
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daj95376



Joined: 23 Aug 2008
Posts: 3855

PostPosted: Sat Jan 24, 2009 3:50 pm    Post subject: Set NNP Puzzle 22 Reply with quote

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

Play this puzzle online at the Daily Sudoku site

===== ===== ===== ===== ===== ===== ===== ===== ===== New Ratings

Can be solved using steps from ...

Basics: Naked/Hidden Single, Naked Pair/Triple, Locked Candidate 1/2

Basics+: Naked Quad, Hidden Pair/Triple/Quad

VH: BUG+1, UR Type 1, X-Wing, XY-Wing, XYZ-Wing

VH+: 2-String Kite, Empty Rectangle, Remote Pair, Skyscraper, Colors, UR Type 2

Advanced: finned/Sashimi X-Wing, Multiple Colors, Swordfish, M-Wing, W-Wing, XY-Chain

Extreme: Jellyfish, (but mostly) Chain
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wapati



Joined: 10 Jun 2008
Posts: 472
Location: Brampton, Ontario, Canada.

PostPosted: Sat Jan 24, 2009 9:43 pm    Post subject: Reply with quote

I cannot do this as a one-step. xy-wing and a 4 cell xy-chain is my best try.
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