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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.

8 11 16   13   10   15 7 9 4     5 3
          12 5 13       16 3   9 7
14 7 3           16 12 6 5        
11 8 13   9           14     15 12  
      1   6 2   12 11 7 8 15   16  
    9 13     3         10 1     4
10   8 5 12   13       16 15   1 4 2
  9 7   14 10 1 5 13 6   12        
        5   16 8 11 10 1 7   6 14  
6 1 5   16 4       13   3 2 8   12
3     7 6         2     5 9    
  10   14 8 2 11 15   3 4   6      
  4 2     1           13   7 11 16
        7 16 9 3           11 10 5
5 3   4 15       6 9 8          
13 12     11 7 15 10   1   2   14 8 6
Showing puzzle number: 106
Puzzletype: Symmetrical Sudoku
Startnumbers: 132
Difficulty: Harder (0)
Solution methods: SiSo SC DC XW
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