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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.

353743 puzzles downloaded.

  2 13 8 10   12 4   11 16 5     9 15
  9 5 10   13 16   12 14 6 11   8    
      6 5   4 16     15 14     13  
16 8     13 11   1 15       2     9
  4 14 15 9   3       8 7   10 1  
    4     10 11 9 3 16 13   15 6   2
  14   11         10 1     13 4    
  11   16 12 2           10 8 5   7
5   12 3 16           7 8 14   4  
    6 5     1 7         10   2  
2   3 4   15 8 13 5 10 1     16    
  5 8   7 9       4   3 16 15 11  
8     9       5 7   2 13     16 10
  10     1 5     13 9   12 4      
    1   3 8 10 2   7 5   9 14 12  
4 12     15 14 9   11 8   2 1 13 10  
Showing puzzle number: 587
Puzzletype: Symmetrical Sudoku
Startnumbers: 138
Difficulty: Harder (0)
Solution methods: SiSo SC DC XW
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