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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.

188129 puzzles downloaded.

  6                         15  
7               6 2 16          
  16               7     3      
    9             1   3        
      12   5             7   2 15
      10 15   11   5     4 13      
      1     9   3 6            
2   13     8 4     12       9    
    10       1     13 5     3   6
            3 15   16     14      
      3 12     4   9   6 16      
13 2   8             7   4      
        4   16             13    
      16     8               3  
          7 5 2               10
  9                         6  
Showing puzzle number: 64
Puzzletype: Symmetrical Sudoku
Startnumbers: 66
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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