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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.

151438 puzzles downloaded.

            11   13       1     15
        2     6   15 10         7
  4   5 13   8                  
        1 14     5       10 2    
                14     15   9    
      9             3         16
8 12   13 11     10       16     1  
                          14    
    6                          
  7     10       9     6 11   4 5
5         15             9      
    2   8     14                
    8 10       13     5 9        
                  8   2 4   10  
13         16 10   7     14        
9     2       5   10            
Showing puzzle number: 142
Puzzletype: Symmetrical Sudoku
Startnumbers: 64
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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