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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.

191457 puzzles downloaded.

    3 6             9          
        4                     6
  13       11 6   3         14   12
        9     12 10           15  
    13     16     9   2 4 12      
14 12 16                 5        
    2         9 15         16   13
  7   15                     1  
  15                     9   5  
12   7         5 14         13    
        8                 7 14 4
      4 7 10   1     5     12    
  9           15 4     11        
7   14         2   1 3       16  
5                     6        
          7             8 11    
Showing puzzle number: 17
Puzzletype: Symmetrical Sudoku
Startnumbers: 66
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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