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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.

                  16         1 15
            3 2             12 7
        4       15             9
            9 16         11      
      5                   10   11
      9             10     15    
  3       2 16       8         1
  11 12   5   6 15 7              
              5 14 10   9   4 6  
12         3       6 7       11  
    4     12             10      
5   6                   1      
      11         10 13            
16             4       3        
10 4             11 7            
7 13         12                  
Showing puzzle number: 177
Puzzletype: Symmetrical Sudoku
Startnumbers: 60
Difficulty: Very easy (0)
Solution methods: SiSo SC
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