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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.

188280 puzzles downloaded.

  3 7   16 9       13       11    
    6   14 8       5            
                11         16    
  16         11         14       15
                          1    
      9   2 1           4 8    
6       3                   2  
  8   14 5 12       7   6        
        12   7       2 15 13   3  
  14                   7       11
    8 12           4 1   7      
    4                          
8       10         3         1  
    15         7                
            4       10 1   2    
    5       12       6 4   9 11  
Showing puzzle number: 202
Puzzletype: Symmetrical Sudoku
Startnumbers: 62
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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