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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.

137535 puzzles downloaded.

      14     8         5     7 9
    4         10   14     16     2
      8           9 2          
                            3  
    6     4 2       8          
  12   13               1   9    
        15 5 14 3     4 6        
  5     7                 3 11  
  1 14                 16     6  
        10 3     4 12 9 2        
    12   16               13   8  
          14       6 13     7    
  7                            
          7 4           3      
9     12     5   3         16    
14 15     2         13     12      
Showing puzzle number: 171
Puzzletype: Symmetrical Sudoku
Startnumbers: 64
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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