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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.

222411 puzzles downloaded.

5                 4         6  
          1                    
    11 1     6 13         5 10 3 7
7     14 10     16   3            
            15     2 12 16   8    
    10 15   8   4   13 11          
                          13    
        1         6     16      
      11     2         12        
    12                          
          11 13   15   8   7 14    
    1   16 12 7     11            
            5   16     11 12     14
10 14 5 2         9 12     11 15    
                    7          
  12         3                 4
Showing puzzle number: 237
Puzzletype: Symmetrical Sudoku
Startnumbers: 64
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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