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Vanhegan Extreme November 24, 2013

 
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Clement



Joined: 24 Apr 2006
Posts: 639
Location: Dar es Salaam Tanzania

PostPosted: Sun Nov 24, 2013 8:48 pm    Post subject: Vanhegan Extreme November 24, 2013 Reply with quote

Code:

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

Play this puzzle online at the Daily Sudoku site
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Clement



Joined: 24 Apr 2006
Posts: 639
Location: Dar es Salaam Tanzania

PostPosted: Mon Nov 25, 2013 3:10 pm    Post subject: Vanhegan Extreme November 24, 2013 Reply with quote

Code:

+-------------+------------------+------------------+
| 8   56  359 | 5679  569   2    | 1     b37   4     |
| 6-3  1   349 | 679   8     4679 | 2     5    a37    |
| 2   7   45  | 1     45    3    | 689   689  689   |
+-------------+------------------+------------------+
| 1   29  8   | 25679 3569  679  | 4     369  3569  |
| f357 4   37  | 5689  13569 1689 | 35689 2    35689 |
| f35  29  6   | 2589  3459  489  | 7     389  1     |
+-------------+------------------+------------------+
| e67  68  1   | 3     2     5    | 689   4    6789  |
| 4   3   2   | 689   7     689  | 568   1    568   |
| 9   568 d57  | 4     16    168  | 368   c3678 2     |
+-------------+------------------+------------------+
Dual Cell Forcing Chain: (3=7)r2c9=(3-7)=(7)r9c8-r9c3=(7)r7c1=(35)r56c1; r2c1<>3; stte.
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keith



Joined: 19 Sep 2005
Posts: 3136
Location: near Detroit, Michigan, USA

PostPosted: Mon Nov 25, 2013 6:12 pm    Post subject: Reply with quote

Code:
+-------------------+-------------------+-------------------+
| 8     56   #359   | 5679  569   2     | 1    #3-7   4     |
| 36    1     349   | 679   8     4679  | 2     5    A37    |
| 2     7     45    | 1     45    3     | 689   689   689   |
+-------------------+-------------------+-------------------+
| 1     29    8     | 25679 3569  679   | 4     369   3569  |
| 357   4    B37    | 5689  13569 1689  | 35689 2     35689 |
| 35    29    6     | 2589  3459  489   | 7     389   1     |
+-------------------+-------------------+-------------------+
| 67    68    1     | 3     2     5     | 689   4     6789  |
| 4     3     2     | 689   7     689   | 568   1     568   |
| 9     568  C57    | 4     16    168   | 368  D3678  2     |
+-------------------+-------------------+-------------------+

W-wing with transport.

AB are pincers on 7; AD are pincers on 7, taking out 7 in R1C8.

Keith
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Marty R.



Joined: 12 Feb 2006
Posts: 5063
Location: Rochester, NY, USA

PostPosted: Mon Nov 25, 2013 8:46 pm    Post subject: Reply with quote

Code:

+-------------+------------------+------------------+
| 8   56  359 | 5679  569   2    | 1     37   4     |
| 36  1   349 | 679   8     4679 | 2     5    37    |
| 2   7   45  | 1     45    3    | 689   689  689   |
+-------------+------------------+------------------+
| 1   29  8   | 25679 3569  679  | 4     369  3569  |
| 357 4   37  | 5689  13569 1689 | 35689 2    35689 |
| 35  29  6   | 2589  3459  489  | 7     389  1     |
+-------------+------------------+------------------+
| 67  68  1   | 3     2     5    | 689   4    6789  |
| 4   3   2   | 689   7     689  | 568   1    568   |
| 9   568 57  | 4     16    168  | 368   3678 2     |
+-------------+------------------+------------------+

Play this puzzle online at the Daily Sudoku site

Ugly-looking grid, but an XY-Wing did it. 36-7 pivoted in r2c1=>r7c9<>7.
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