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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.

330252 puzzles downloaded.

  5 8 12 4     2 16 9 10   13      
  1 4 7   16 6         3   2   10
8 11 3 13         1 14 16   4 5    
        11   5 13 4   8 14        
14   2 4       15   10 5 16 8   3 1
9       12 11 1 14       15 6 16 4 8
  15 12           2 16 1 4     10  
2 9 7 3     14 1     4     15 11 16
6 8 11     15     14 4     3 1 13 12
  10     2 4 15 16           9 5  
3 7 10 16 6       9 15 13 1       4
4 13   10 16 8 7   15       12 11   2
        3 5   8 13 7   10        
    13 6   10 4 11         15 3 2 9
15   14   9         1 2   16 6 8  
      1   12 9 4 8     6 2 7 16  
Showing puzzle number: 931
Puzzletype: Symmetrical Sudoku
Startnumbers: 138
Difficulty: Very easy (0)
Solution methods: SiSo SC
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