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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.

134792 puzzles downloaded.

                    7 6   12    
        4       10 13     6      
          7       2 1 12        
                          16 1  
      5   15   4 1   12   8   6  
6   8     2   10 13   3          
  3     9             8     10 5
      11                 9      
      6                 15      
8 14     10             1     9  
          5   15 2   4     10   3
  7   13   16   3 9   6   2      
  11 5                          
        3 4 9       10          
      12     11 1       9        
    2   12 6                    
Showing puzzle number: 224
Puzzletype: Symmetrical Sudoku
Startnumbers: 66
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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