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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.

397479 puzzles downloaded.

  2   12 15   13   5 14     1   4 10
  8 3     4 15   7 13       10 12 1
          11           3 8 12 15 6
9         10 8 3 12     1   4    
4 5 10 1       8 3     2 11 15 16  
      4 3 15 1 14 6   10   5 13 7 9
        7   4 5 2     6   3 1  
6   11 8 10 12       9   4 7   3 15
16 3   13 8   10       6 5 15 11   7
  15 7   12     6 4 16   13        
15 4 8 3   5   7 13 2 14 10 16      
  13 15 10 16     12 1       14 8 9 3
    4   11     15 10 3 5         8
5 1 16 14 2           8          
3 7 9       12 2   1 16     5 11  
7 6   5     3 13   10   14 9   2  
Showing puzzle number: 2864
Puzzletype: Symmetrical Sudoku
Startnumbers: 138
Difficulty: Very easy (0)
Solution methods: SiSo SC
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