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Set N Puzzle 60 -- VH

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Wed Jan 28, 2009 9:07 pm    Post subject: Set N Puzzle 60 -- VH Reply with quote
It's not the VH steps that are going to drive you crazy.

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

Play this puzzle online at the Daily Sudoku site

===== ===== ===== ===== ===== ===== ===== ===== ===== 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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storm_norm



Joined: 18 Oct 2007
Posts: 1741
PostPosted: Wed Jan 28, 2009 11:58 pm    Post subject: Reply with quote
Code:
.---------------------.---------------------.---------------------.
| 5      9      7     | 1      6      4     | 2      3      8     |
| 2      8      3     | 59     59     7     | 14     14     6     |
| 16     16     4     | 8      3      2     | 59     59     7     |
:---------------------+---------------------+---------------------:
| 8      246    9     | 7      1      3     | 46     246    5     |
| 146    146    5     | 49     2      8     | 7      1469   3     |
| 7      3      12    | 459    59     6     | 149    8      124   |
:---------------------+---------------------+---------------------:
| 9      12457  126   | 36     48     15    | 38     12457  124   |
| 14     57     126   | 36     48     9     | 38     57     124   |
| 3      145    8     | 2      7      15    | 1456   1456   9     |
'---------------------'---------------------'---------------------'

so the challenge is to skip the VH tech's, Cool
Quote:
this should do it...(9=5)r3c8 - (5)r8c8 = (5-7)r8c2 = (7-2)r7c2 = (2)r4c2 - (2=1)r6c3 - (1)r6c79 = (1-9)r5c8 = (9)r6c7; r3c7 <> 9
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cgordon



Joined: 04 May 2007
Posts: 769
Location: ontario, canada
PostPosted: Thu Jan 29, 2009 1:24 pm    Post subject: Reply with quote
Very good. These are the ones I like - challenging basics with a number of VH steps - as opposed to easy basics with a simple xy wing or easy basics with an overly complex chain solution. Anyway, that's my two penny worth.
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