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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.

  5     1   13 14 10   9 3 7     8
  12 6   4 11 15 7 13 3   1 8      
  9 15       1   8       13 7 4 12
        5 1   16 12 9 6 2 10 15 8 3
7       11 14 9 10   8   12       1
  11         5     7 10   9   14  
5     15 10 12     9   8   3   2 14
13   10 8   4     3     15        
        9     12     15   5 11   2
10 16   12   7   6     3 11 4     5
  6   2   13 7     5         10  
1       14   11   7 10 2 4       15
11 10 5 16 2 6 12 1 4   14 9        
3 8 12 1       15   14       6 16  
      9 13   3 5 2 16 11 10   14 12  
9     7 8 10   3 16 11   14     6  
Showing puzzle number: 384
Puzzletype: Symmetrical Sudoku
Startnumbers: 134
Difficulty: Hard (0)
Solution methods: SiSo SC DC
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