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Mar 22 Hard

 
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hughwill



Joined: 05 Apr 2010
Posts: 167
Location: Birmingham UK

PostPosted: Sat Mar 22, 2014 10:28 am    Post subject: Mar 22 Hard Reply with quote

Code:

+----------+--------------+------------+
| 1   4 8  | 5   7   2    | 69  3  69  |
| 2   3 69 | 46  689 48   | 7   1  5   |
| 5   7 69 | 16  369 13   | 8   4  2   |
+----------+--------------+------------+
| 4   1 7  | 3   2   6    | 5   89 89  |
| 6   9 2  | 8   4   5    | 1   7  3   |
| 8   5 3  | 9   1   7    | 2   6  4   |
+----------+--------------+------------+
| 379 6 5  | 147 38  1348 | 39  2  789 |
| 379 2 4  | 67  5   38   | 369 89 1   |
| 37  8 1  | 2   36  9    | 4   5  67  |
+----------+--------------+------------+

Play this puzzle online at the Daily Sudoku site

While we wait for a real VH, today's Hard, while able to be finished using the
obvious 38 naked pair in box 8, can also be sorted with a 367 XY-Wing
pivot r9c5.
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