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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.

188264 puzzles downloaded.

5         3 7         6        
4                              
          10               6   1
15   10     9             5      
        16             9        
  6             13         15    
12   13           5   16          
  14     2 6           7 10   9 5
11 16   3 9           15 2     8  
          14   4           9   6
    7         2             3  
        11             10        
      11             2     8   16
2   1               13          
                              11
        4         5 7         12
Showing puzzle number: 229
Puzzletype: Symmetrical Sudoku
Startnumbers: 56
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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