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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.

218239 puzzles downloaded.

    6   8 11   15 16 9   13   2    
        6             12 14   7  
  2       16   10 6 11       4    
  16         3           13 8    
16             6         15 11    
7           13               8  
13     8         10       4 1    
1       2   9                  
                  3   6       7
    12 9       2         8     16
  13               4           14
    8 15         12             4
    3 7           12         5  
    13       12 9 7   14       4  
  15   5 3             11        
    2   14   11 5 3   8 15   6    
Showing puzzle number: 179
Puzzletype: Symmetrical Sudoku
Startnumbers: 74
Difficulty: Super easy (0)
Solution methods: SiSo
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