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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.

148427 puzzles downloaded.

      10   9     16 1       3    
8 16 6       3   10   2     11 7  
                  6            
      5     12           6      
                13   1     2 8  
        15     6     11   3      
1           7     3 10 16 12   5  
                          15    
    1                          
  13   7 10 2 5     8           6
      12   6     11     13        
  5 9     4   3                
      16           2     1      
            4                  
  2 8     1   15   4       10 13 11
    5       2 13     16   14      
Showing puzzle number: 174
Puzzletype: Symmetrical Sudoku
Startnumbers: 66
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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