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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.

328732 puzzles downloaded.

  10   7 11 4 5 1     14     13 8 15
7 13     1 8 3 2 10     6     14  
  3 13 10 16   11     14     7     1
    9 12 10 7   11           14 15 3
          13 9 5         6 11 4 14
2   8     14 6     10 15   12   3  
1 5   8 14 9   13   11   2        
13   2       12   14   10 7 15     9
3     14 9 16   7   6       5   13
        4   2   1   12 14 3   6 5
  15   16   11 10     2 4     3   6
11 2 4 9         7 12 16          
15 7 3           11   6 10 1 12    
5     3     15     9   11 16 7 2  
  11     12     14 16 8 1 9     5 7
14 6 11     10     13 1 7 3 4   9  
Showing puzzle number: 2441
Puzzletype: Symmetrical Sudoku
Startnumbers: 132
Difficulty: Harder (0)
Solution methods: SiSo SC DC XW
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