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Set N Puzzle 20 -- VH single-stepper

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Sun Jan 04, 2009 11:39 pm    Post subject: Set N Puzzle 20 -- VH single-stepper Reply with quote
The Set N series is meant to be solved with VH techniques. This puzzle can be solved with one VH step.

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

Play this puzzle online at the Daily Sudoku site

Code:
         XY-Wing  [r5c2]/[r5c6]+[r6c3]   <> 1    [r5c13],[r6c5]
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