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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.

188399 puzzles downloaded.

                          8 14  
            7               6 15
  1 8 9         11             12
  7     6     1               16
        7   15     13            
            5     6     4   16  
      16             15 11 10 3    
          8     9 16     13      
      3     8 11     2          
    14 10 4 5             2      
  9   6     3     5            
            10     1   14        
11               1     2     9  
9             13         12 2 10  
2 10               14            
  14 3                          
Showing puzzle number: 69
Puzzletype: Symmetrical Sudoku
Startnumbers: 60
Difficulty: Harder (0)
Solution methods: SiSo SC SB DC XW
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