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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.

  12 3   8     2 11 10       14 5 15
          14     9 7 2 8 16 12 13  
3 5     7     12   11   13   10 6  
6 8     14 1   4 7   15 16     2  
  3 9   16 11 5 1     4 2       7
16     8     7 10     12 4 2 5    
  16 12 13   4 14   5     15 7 9    
2       1       12 8     14 11   16
5   15 3     8 16       9       11
    16 6 3     7   12 10   1 2 15  
    4 2 13 12     8 16     15     10
10       5 8     1 3 7 6   15 9  
  10     11 16   9 2   5 3     1 14
  4 7   12   10   16     5     11 2
  9 11 15 10 3 2 13     8          
11 14 8       12 3 15     10   6 16  
Showing puzzle number: 1099
Puzzletype: Symmetrical Sudoku
Startnumbers: 134
Difficulty: Harder (0)
Solution methods: SiSo SC DC XW
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