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Sudoku puzzles (Su Doku)

My database includes 242 puzzles for the moment and I'm constantly generating more.

Rules: Fill in the grid so that every row, every column, and every box contains the digits 1 through 16. The grey boxes is even numbers and the white boxes is odd. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

164322 puzzles downloaded.

1 9     11       6     14 12     10
                    7         8
11     12 6       13 8     14 9 1 5
  6           13         15 4    
                  16     8      
      9 16                   14  
8         5 9 11         16      
7   13         1 9           12  
  14           12 4         16   9
      3         16 12 6         11
  2                   11 7      
      4     10                  
    6 10         11           3  
4 11 15 2     14 9       10 1     16
14         7                    
16     7 15     2       3     13 4
Showing puzzle number: 5
Puzzletype: Symmetrical Sudoku
Startnumbers: 74
Difficulty: Super easy (0)
Solution methods: SiSo
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