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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.

382430 puzzles downloaded.

  2 11 10 16           14     6 13  
  3 16 12   13 14 10       8 5     2
    10         5 13 7 6 14        
        12     6 15 5 4 9 13      
12 9 2     6       16 11 13 8 7 10  
  10         8   7 13 5 2 16 15 11 3
9       6 15 10       3 4   8 14 11
  11 12 15     3     9   5     6 10
7 8     5   6     3     15 12 16  
2 7 8   1 14       4 15 10       16
4 12 15 8 13 5 9 16   14         2  
  5 14 16 2 3 11       12     1 9 15
      13 14 7 16 15 3     11        
        7 8 15 3 9         2    
15     2 8       16 11 9   6 10 5  
  13 3     2           16 7 11 1  
Showing puzzle number: 113
Puzzletype: Symmetrical Sudoku
Startnumbers: 132
Difficulty: Hard (0)
Solution methods: SiSo SC DC
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