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Puzzle 10/06/29: XY

 
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daj95376



Joined: 23 Aug 2008
Posts: 3854
PostPosted: Tue Jun 29, 2010 5:58 am    Post subject: Puzzle 10/06/29: XY Reply with quote
Code:
 +-----------------------+
 | . . . | 8 . 2 | . 7 . |
 | . . 2 | 9 . . | . . 1 |
 | . 4 6 | . . . | . 5 . |
 |-------+-------+-------|
 | 2 7 . | 4 . . | . . . |
 | . . . | . 1 5 | . 2 . |
 | 6 . . | . 9 . | . . 5 |
 |-------+-------+-------|
 | . . . | . . . | 2 . . |
 | 9 . 4 | . 8 . | . 1 . |
 | . 5 . | . . 9 | . . 8 |
 +-----------------------+

Play this puzzle online at the Daily Sudoku site

Code:
 after basics
 +-----------------------------------------------------+
 |  5    19   19   |  8    6    2    |  3    7    4    |
 |  7    3    2    |  9    5    4    |  68   68   1    |
 |  8    4    6    |  13   7    13   |  9    5    2    |
 |-----------------+-----------------+-----------------|
 |  2    7    5    |  4    3    68   |  1    689  69   |
 |  4    89   39   |  67   1    5    |  678  2    36   |
 |  6    18   13   |  2    9    78   |  478  348  5    |
 |-----------------+-----------------+-----------------|
 |  13   6    8    |  5    4    137  |  2    39   379  |
 |  9    2    4    |  367  8    367  |  5    1    367  |
 |  13   5    7    |  136  2    9    |  46   346  8    |
 +-----------------------------------------------------+
 # 41 eliminations remain
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peterj



Joined: 26 Mar 2010
Posts: 974
Location: London, UK
PostPosted: Tue Jun 29, 2010 8:22 am    Post subject: Reply with quote
Another nice wing..
Quote:
m-wing(78) (8=7)r6c6 - r6c7=(7-8)r5c7=r5c2; r6c2<>8
xy-wing(16-7) r9c4; r6c6<>7
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tlanglet



Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
PostPosted: Tue Jun 29, 2010 12:14 pm    Post subject: Reply with quote
Quote:
DP13 (or BUG-Lite, or some other name???) r3c46|r7c16|r9c14 [(6)r9c4 = (7)r7c6] - (7=8)r6c6 - (8=6)r4c6; r5c4,r8c6<>6

Ted
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peterj



Joined: 26 Mar 2010
Posts: 974
Location: London, UK
PostPosted: Tue Jun 29, 2010 1:07 pm    Post subject: Reply with quote
Ted, that's a great spot! Very Happy
I've been trying to see more of these DP recently but still not well tuned to it.
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Marty R.



Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
PostPosted: Thu Jul 01, 2010 12:31 am    Post subject: Reply with quote
DP 68-48-46 in boxes 369. Any of the DP killers solve box 5 the same way.
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