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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.

  3       9 12 1 11     14 2      
        10 8 7   6 12   11   1   15
7 5   12 8 16 10   15   1 9 4   11  
16   10   1     7   4   6 5 15    
13   11       9     3 6   14   1 5
  12 9 4   2       14   7       13
3     15 4 6   9     13 16 10 14   2
10 2   9   3   13 8 6   4 1 5    
    16 2 15   4 6 13   9   8   10 12
14   3 11 9 15     7   12 10 13     1
1       7   14       5   12 9 8  
2 10   7   11 6     5       12   16
    14 5 3   11   16     1   10   9
  9   14 13 1   5   15 11 2 16   7 4
9   2   12   15 14   13 8 5        
      13 16     8 4 9 7       3  
Showing puzzle number: 2408
Puzzletype: Symmetrical Sudoku
Startnumbers: 138
Difficulty: Harder (0)
Solution methods: SiSo SC DC XW
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