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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.

145189 puzzles downloaded.

            7   5         6    
              6         12     16
14                       4     13
    13 16     14     4 15   5     3
  13   12     11                 4
          8                    
              10   3   13        
    7           4 8 6         15
15         4 8 14           16    
        9   1   16              
                    7          
11                 9     10   6  
13     11   7 12     2     16 9    
10     1                       11
6     5         7              
    16         4   6            
Showing puzzle number: 236
Puzzletype: Symmetrical Sudoku
Startnumbers: 58
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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