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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.

148244 puzzles downloaded.

  15   4         7   8   3 6    
        16 6   9 1           11  
    1     8             16      
8 2     13 15           6   14    
        9 12     8 13           7
                        6   13  
          13 3 14   5         8  
                    7          
          16                    
  13         6   12 3 11          
  5   10                        
14           9 12     16 8        
    11   6           15 13     4 12
      2             12     7    
  4           15 9   1 10        
    10 15   14   13         8   16  
Showing puzzle number: 206
Puzzletype: Symmetrical Sudoku
Startnumbers: 66
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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