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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.

404194 puzzles downloaded.

16 3     9         8   15   1 10 6
10 6         3       14     15 9  
4 13 16 1 12   6       2 3 10      
14 11 9   8   13 10   3 6 2       15
      4           2   7 3 14    
12 15   7       14 5 9 10 16 13   3 2
3 1 2   11 6 9   15   4 8     5 10
      16     7 2 13 15 11 9     12  
  10     13 8 16 7 3 4     6      
6 14     7 13   4   11 8 12   5 2 16
15 16   12 3 5 10 9 7       11   14 4
    14 8 16   15           9      
1       5 2 11   14 12   10   13 15 9
      15 4 12       16   11 1 9 7 8
  9 12     15       13         8 7
9 8 1   10   4         6     13 3
Showing puzzle number: 2962
Puzzletype: Symmetrical Sudoku
Startnumbers: 136
Difficulty: Hard (0)
Solution methods: SiSo SC DC
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