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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.

144103 puzzles downloaded.

  3   15       14 1 16       8    
        16     3 7     15   5 4  
  8           1     13         9
7         10                 1  
                  13       7    
          13   5           6    
3   4     16       2       1    
14                       8 3    
    12 2                       4
    13       8       10     14   6
    3           5   4          
    5       15                  
  2                 15         14
1         9     14           7  
  16 14   13     4 8     3        
    15       1 11 12       6   2  
Showing puzzle number: 230
Puzzletype: Symmetrical Sudoku
Startnumbers: 64
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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