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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.

199732 puzzles downloaded.

10   1   14       9   5     11 4  
      3       6 8 7            
          13 10   16         1    
15     16 8                      
                    7          
        11       6           1 10
    12                 13 6   11  
    9       16         8     2  
  7     3         5       15    
  6   2 15                 7    
16 9           12       14        
          2                    
                      12 11     3
    7         3   4 8          
            4 14 15       1      
  13 5     8   9       16   14   15
Showing puzzle number: 149
Puzzletype: Symmetrical Sudoku
Startnumbers: 62
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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