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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.

298648 puzzles downloaded.

      13         14   5 15   1 4 3
2 7 12 14 1   6     10       3 11 5
3 1 2   16       11   7 10 13 12    
  9   2 12   14 11     8 7 3 10   16
7 4       9 8 3 2     12 14   5  
13   9       11           5 15    
1 5 10         16 9 3 14   4 11   15
  12 15     5 1 4 13           16  
  11           12 7 9 2     4 14  
5   16 4   11 2 9 8         14 10 12
    13 8           16       6   7
  6   16 3     5 10 2 12       9 4
11   6 9 5 15     1 4   14 16   12  
    1 5 4 13   7       11   8 3 10
10 2 3       5     6   13 8 16 1 14
16 10 8   9 3   2         7      
Showing puzzle number: 2342
Puzzletype: Symmetrical Sudoku
Startnumbers: 134
Difficulty: Harder (0)
Solution methods: SiSo SC DC XW
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