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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.

192219 puzzles downloaded.

8   11                     16    
1 12 7     5 6           8     4
  3       11         9     15    
  6   16   9                    
  14 13       3 7                
    1           5 2 13          
        14   2               4 12
  4 6   9                      
                      11   1 10  
14 13               8   16        
          14 15 6           2    
                2 1       9 3  
                    12   15   2  
    5     6         8       12  
6     13           3 7     4 1 11
    4                     5   9
Showing puzzle number: 175
Puzzletype: Symmetrical Sudoku
Startnumbers: 64
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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