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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.

194767 puzzles downloaded.

12     10   11               5 4  
        3   1     13            
          5 16 2             7  
  2           12   3            
6         16         2       12  
  15   9 2     14       4   6    
          9             16 11   4
                13 10       14    
    6       15 1                
16   12 13             5          
    1   10       3     9 14   15  
  4       7         13         11
            5   7           1  
  5             6 2 14          
            11     9   16        
  13 7               1   6     10
Showing puzzle number: 71
Puzzletype: Symmetrical Sudoku
Startnumbers: 64
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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