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Set I Puzzle 10

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Fri Jan 16, 2009 1:37 am    Post subject: Set I Puzzle 10 Reply with quote
More reasonable?

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

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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storm_norm



Joined: 18 Oct 2007
Posts: 1741
PostPosted: Sun Jan 18, 2009 3:36 am    Post subject: Reply with quote
Code:
.------------------.------------------.------------------.
| 6     7     1    | 5     2     9    | 48    48    3    |
| 4     5     8    | 37    37    1    | 2     6     9    |
| 9     3     2    | 6     8     4    | 1     5     7    |
:------------------+------------------+------------------:
| 1     48    3    | 78    467   678  | 9     2     5    |
| 2     48    7    | 9     5     38   | 46    134   16   |
| 5     6     9    | 13    134   2    | 7     34    8    |
:------------------+------------------+------------------:
| 8     29    5    | 4     1679  67   | 3     19    126  |
| 3     29    4    | 18    169   568  | 568   7     126  |
| 7     1     6    | 2     39    358  | 58    89    4    |
'------------------'------------------'------------------'

(4=3)r6c8 - (3)r6c45 = (3)r5c6 - (3)r9c6 = (3-9)r9c5 = (9-8)r9c8 = (8)r1c8 - (8=4)r1c7; r5c7 <> 4
singles.
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