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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.

198022 puzzles downloaded.

      3 7   14 4     9          
                15           6 10
      10           3       4    
                      16 14   5  
        6 8         2   3      
  3 12 6       14   5            
9           5         15        
        15     9 4 1           7
6           12 1 3     9        
        13         10           4
            15   5       11 13 16  
      2   4         6 13        
  2   15 10                      
    16       11           4      
10 8           2                
          1     16 7   3 10      
Showing puzzle number: 47
Puzzletype: Symmetrical Sudoku
Startnumbers: 62
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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