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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.

  2   15     7                  
  11               15 8   7     13
                    10         4
  1     4         6       5   3
      4 6 5       16       3 10 7
        7         3         4  
      6             5 10     13 8
            16 2 4       12      
      11       16 8 4            
3 9     1 11             13      
  6         12         3        
10 7 5       4       1 6 3      
15   6       3         1     7  
16         15                    
8     3   7 6               2  
                  10     9   16  
Showing puzzle number: 87
Puzzletype: Symmetrical Sudoku
Startnumbers: 68
Difficulty: Very easy (0)
Solution methods: SiSo SC
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