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Sudoku puzzles (Su Doku)

My database includes 2967 puzzles for the moment and I'm constantly generating more.

Rules: Fill in the grid so that every row and every column contains the digits 1 through 16. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

    3 5     2 1   10 13 7 12   9 11
13 5 9 14     6 15 1   2       10 8
  7 8 3     10   11 15   9   6 16 1
16 4 5   1 6   2                
  10 12   8   1       14   4 11 3  
  1   8 2 7     4 6   3   5   10
  9   6       14 13   5         2
    14 2   16   8   3 10   11     12
5     12   11 14   6   16   3 4    
1         3   5 16       10   15  
4   2   13   15 3     6 8 9   11  
  6 15 11   8       4   14   2 13  
                9   1 12   7 5 14
14 3 7   16   8 4   11     5 9 12  
10 13       1   7 3 12     2 14 6 16
15 11   4 10 14 3   7 2     13 12    
Showing puzzle number: 85
Puzzletype: Symmetrical Sudoku
Startnumbers: 134
Difficulty: Harder (0)
Solution methods: SiSo SC DC XW
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