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Set H Puzzle 85 -- multi-step VH

 
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daj95376



Joined: 23 Aug 2008
Posts: 3855

PostPosted: Tue Jan 13, 2009 11:42 pm    Post subject: Set H Puzzle 85 -- multi-step VH Reply with quote

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

Play this puzzle online at the Daily Sudoku site

===== ===== ===== ===== ===== ===== ===== ===== ===== ===== ===== ===== =====

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, Remote Pair, UR Type 1, X-Wing, XY-Wing

Advanced: 2-String Kite, Empty Rectangle, Skyscraper, UR Type 2, XYZ-Wing

Extreme: finned X-Wing, Multiple Colors, M-Wing, W-Wing, XY-Chain

VH+AE: multi-step VH plus one Advanced and/or one Extreme step.

Extreme+: Swordfish, Jellyfish, (but mostly) Chain
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cgordon



Joined: 04 May 2007
Posts: 769
Location: ontario, canada

PostPosted: Wed Jan 14, 2009 1:41 pm    Post subject: Reply with quote

I used two x-wings on <2> and that was it. I don't see any UR Type 1, XY-Wing, Empty Rectangle, Skyscraper, UR Type 2, or XYZ-Wing.
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daj95376



Joined: 23 Aug 2008
Posts: 3855

PostPosted: Wed Jan 14, 2009 4:21 pm    Post subject: Reply with quote

cgordon wrote:
I used two x-wings on <2> and that was it. I don't see any UR Type 1, XY-Wing, Empty Rectangle, Skyscraper, UR Type 2, or XYZ-Wing.

If you have a moment, would you please try to duplicate your results. TIA!!!
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Marty R.



Joined: 12 Feb 2006
Posts: 5180
Location: Rochester, NY, USA

PostPosted: Wed Jan 14, 2009 4:52 pm    Post subject: Reply with quote

I used four ERs, Coloring, X-Wing and a W-Wing finished it.
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cgordon



Joined: 04 May 2007
Posts: 769
Location: ontario, canada

PostPosted: Wed Jan 14, 2009 5:38 pm    Post subject: Reply with quote

I looked again and found another x-wing on 5. Then it was three xy wings and another x-wing on 3 to finish it. I usually find Ers without too much trouble but didnt see them here (maybe they were there with the x-wings)
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