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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.

222411 puzzles downloaded.

  7   10       12           2    
                3           1 14
  1               15            
  5   13     6       12 7 8      
                    2          
8   10       7         1     6 9
    11         2 15   10          
    3 6       11   9            
            16   10       15 1    
          9   14 8         10    
9 14     6         3       11   12
          8                    
      2 3 4       5     12   11  
            9               3  
3 9           15                
    5           13       9   2  
Showing puzzle number: 115
Puzzletype: Symmetrical Sudoku
Startnumbers: 60
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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