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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.

222411 puzzles downloaded.

  9     1       7         11    
      7     16   11     10     2 8
        9       13           1  
          7       4 2 3        
      9 3                     2
  4 10 11             13 12        
      8               14 16      
          5       9     11     1
13     14     5       16          
      5 2               4      
        13 10             8 1 9  
11                     1 6      
        16 8 1       7          
  2           9       16        
16 13     14     4   15     1      
    8         10       11     4  
Showing puzzle number: 241
Puzzletype: Symmetrical Sudoku
Startnumbers: 64
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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