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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.

220249 puzzles downloaded.

          9 12   11         10   14
  10   11       6   12   16       13
2           4         5 1      
3   15 14   10             16 11    
13                 3            
          15     1     8       4
              8           13    
    12 9     7               16  
  15               1     5 16    
    2           12              
10       14     1     15          
            8                 2
    11 15             12   10 5   7
      1 15         10           6
7       1   11   6       12   8  
8   6         2   11 7          
Showing puzzle number: 196
Puzzletype: Symmetrical Sudoku
Startnumbers: 66
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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