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Nov 18th VH

 
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hughwill



Joined: 05 Apr 2010
Posts: 424
Location: Birmingham UK
PostPosted: Tue Nov 18, 2014 10:47 am    Post subject: Nov 18th VH Reply with quote
After basics:

Code:

+---------------+------------+-----------+
| 6    19   348 | 5  39  2   | 49 7   18 |
| 12   1279 38  | 4  379 189 | 29 6   5  |
| 5    1279 48  | 78 6   189 | 3  24  18 |
+---------------+------------+-----------+
| 7    6    1   | 3  2   5   | 8  9   4  |
| 9    8    2   | 6  1   4   | 7  5   3  |
| 34   34   5   | 78 79  89  | 6  1   2  |
+---------------+------------+-----------+
| 234  234  7   | 1  8   6   | 5  234 9  |
| 1248 124  6   | 9  5   3   | 24 248 7  |
| 38   5    9   | 2  4   7   | 1  38  6  |
+---------------+------------+-----------+

Play this puzzle online at the Daily Sudoku site

Two old friends sorted it for me:
Quote:
129 XY-wing pivot r2c2 followed by 378 XY-Wing
pivot r2c5
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arkietech



Joined: 31 Jul 2008
Posts: 1834
Location: Northwest Arkansas USA
PostPosted: Tue Nov 18, 2014 12:42 pm    Post subject: Reply with quote
This is a wing. What kind?

Code:
 *-----------------------------------------------------------*
 | 6    a19    348   | 5     39    2     | 49    7     18    |
 | 2-1   279-1 38    | 4     379  d189   | 29    6     5     |
 | 5    b1279  48    | 78    6    c189   | 3     24    18    |
 |-------------------+-------------------+-------------------|
 | 7     6     1     | 3     2     5     | 8     9     4     |
 | 9     8     2     | 6     1     4     | 7     5     3     |
 | 34    34    5     | 78    79    89    | 6     1     2     |
 |-------------------+-------------------+-------------------|
 | 234   234   7     | 1     8     6     | 5     234   9     |
 | 1248  124   6     | 9     5     3     | 24    248   7     |
 | 38    5     9     | 2     4     7     | 1     38    6     |
 *-----------------------------------------------------------*
(1=9)r1c2-r3c2=(9-1)r3c6=1r2c6 => -1r2c12; ste
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