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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.

198138 puzzles downloaded.

        13         3 14     16   10
13             14       12        
  8 12   15 6                 7  
      15               1        
  5   8 2   16 13   11            
      16   15   11     13          
10 11 15         1           9    
                  16            
            12                  
    4           10         11 8 9
          1     4   2   12      
            4   15 1   9 10   3  
        6               11      
  6                 9 4   2 10  
        3       12             4
15   3     5 2         8        
Showing puzzle number: 131
Puzzletype: Symmetrical Sudoku
Startnumbers: 62
Difficulty: Very easy (0)
Solution methods: SiSo SC
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