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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.

369044 puzzles downloaded.

8 13     2   5 10     14     4 15  
  3   6 10 5   12   13 4 14 1   7  
4   3 2 12 8 9   13 14         11  
15   1 5     2 14   9           11
11     1     7 4   5 13 9     3 14
  4   14 15     11 9   7 3   12    
3   14 15     4         13 7 2 10 8
  2 16 11       7   12         6  
  10         1   8       13 5 2  
12 8 10 4 1         16     5 3   7
    15   14 2   5 1     4 11   16  
16 7     5 11 8   3 4     14     12
1           6   5 8     2 10   9
  9         11 2   10 3 8 16 1   4
  5   8 13 10 16   6   12 7 4   1  
  11 2     13     7 3   10     12 16
Showing puzzle number: 2850
Puzzletype: Symmetrical Sudoku
Startnumbers: 132
Difficulty: Harder (0)
Solution methods: SiSo SC DC XW
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