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March 19th Hard

 
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hughwill



Joined: 05 Apr 2010
Posts: 208
Location: Birmingham UK

PostPosted: Mon Mar 19, 2012 8:46 pm    Post subject: March 19th Hard Reply with quote

Code:

+-----------+-------------+----------+
| 7  5   1  | 9   2   8   | 46 46 3  |
| 2  34  34 | 6   1   7   | 8  5  9  |
| 6  8   9  | 4   5   3   | 1  7  2  |
+-----------+-------------+----------+
| 1  39  38 | 2   389 46  | 57 46 57 |
| 48 2   7  | 58  68  456 | 3  9  1  |
| 34 369 5  | 7   369 1   | 46 2  8  |
+-----------+-------------+----------+
| 38 37  6  | 578 4   9   | 2  1  57 |
| 5  47  48 | 1   78  2   | 9  3  6  |
| 9  1   2  | 3   67  56  | 57 8  4  |
+-----------+-------------+----------+

Play this puzzle online at the Daily Sudoku site


Now I know that this is easily solved by the single 6 in box 4
(at r6c2) but I noticed that there is, unusually for a Hard,
a nice 468 XY wing pivot r5c5 which also solves the puzzle.
Nice to spot while waiting for the next VH!
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