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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.

218329 puzzles downloaded.

            1     5   2 14 9    
9     5             13 4        
            4 5             16  
                    6          
7 10     8 12 13                  
16   11       5     3            
            6 15   10     5     13
5   14         9   6   16 15   4 7
14 12   8 10   9   4         6   5
15     10     16   6 11            
            7     1       12   8
                  12 15 3     13 16
          13                    
  9             5 14            
        2 9             6     11
    6 15 5   12     8            
Showing puzzle number: 51
Puzzletype: Symmetrical Sudoku
Startnumbers: 70
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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