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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.

146356 puzzles downloaded.

    12     13           14   1    
  15 3   8     12                
8     9     7         6        
  6           15             3  
3 7                           4
1 14       2           7   3   6
  10           9           12    
          5 16           1 10 8  
  11 9 10           1 15          
    2           8           6  
14   13   7           5       15 9
12                           5 16
  1             16           12  
        12         13     15     3
                14     4   13 1  
    15   16           12     2    
Showing puzzle number: 161
Puzzletype: Symmetrical Sudoku
Startnumbers: 64
Difficulty: Very easy (0)
Solution methods: SiSo SC
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