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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.

136510 puzzles downloaded.

            2 13         10      
  2             9             6
    15 13   6       14            
            5 16     12          
  10 9       7     15 3 12        
      8           13         6  
      4     10   16           3  
  3     6             14   7   9
13   11   2             15     7  
  7           9   3     4      
  9         13           6      
        16 5 12     7       8 10  
          9     7 11            
            14       9   16 13    
8             2             5  
      9         10 16            
Showing puzzle number: 23
Puzzletype: Symmetrical Sudoku
Startnumbers: 62
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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