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Puzzle 11/06/25: ~ Advanced

 
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daj95376



Joined: 23 Aug 2008
Posts: 3855

PostPosted: Sat Jun 25, 2011 9:24 pm    Post subject: Puzzle 11/06/25: ~ Advanced Reply with quote

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

Play this puzzle online at the Daily Sudoku site
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daj95376



Joined: 23 Aug 2008
Posts: 3855

PostPosted: Wed Jun 29, 2011 1:32 am    Post subject: Reply with quote

Code:
 after basics
 +--------------------------------------------------------------+
 |  2     19    6     |  8     5     4     |  379   179   379   |
 |  13    4     139   |  6     19    7     |  2     8     5     |
 |  7     5     8     |  13    2     39    |  4     19    6     |
 |--------------------+--------------------+--------------------|
 |  135   1379  1359  |  1237  4     23    |  6     79    8     |
 |  4     37    2     |  9     8     6     |  1     5     37    |
 |  6     8     139   |  137   13    5     |  379   4     2     |
 |--------------------+--------------------+--------------------|
 |  8     13    1345  |  234   7     239   |  59    6     19    |
 |  9     2     7     |  5     6     1     |  8     3     4     |
 |  135   6     1345  |  34    39    8     |  579   2     179   |
 +--------------------------------------------------------------+
 # 57 eliminations remain

 <19+3>  XY-Wing  r2c5/r2c1+r9c5         <> 3    r9c1
 <19+3>  XY-Wing  r2c5/r3c6+r6c5         <> 3    r4c6

   c2b3  Empty Rectangle                 <> 9    r4c8

 r69     X-Wing                          <> 3    r24c3

 r26     X-Wing                          <> 1    r49c3

         BUG+1                           =  1    r4c2
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Marty R.



Joined: 12 Feb 2006
Posts: 5182
Location: Rochester, NY, USA

PostPosted: Wed Jun 29, 2011 3:53 pm    Post subject: Reply with quote

M-Wing (39); r9c4<>3 + transport; r7c4<>3
Coloring; r1c9<>9
XY-Wing Chain (19-13-13-13-39), flightless with transport; r1c7<>9
XY-Chain; r7c6<>3

Edited June 29, 1:50 pm

Could not replicate above solution on Draw/Play. See next post.
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Marty R.



Joined: 12 Feb 2006
Posts: 5182
Location: Rochester, NY, USA

PostPosted: Wed Jun 29, 2011 5:56 pm    Post subject: Reply with quote

M-Wing (39); r9c4<>3 + transport; r7c4<>3
Coloring; r1c9<>9
XY-Wing (193); r3c6<>3
XY-Wing Chain (19-13-13-13-39), flightless with transport; r1c7<>9
XY-Wing (139), flightless with transport; r2c3<>9
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