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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.

153829 puzzles downloaded.

    11             4   8 15      
10 3   1       11         9     16
              4   7           8
12           8     3       11   14
  9   3   11           12     10  
                1         14 15 9
      16   5       10   15     6  
6           9                  
                  6           1
  2     9   10       14   3      
1 10 5         8                
  14     12           13   10   2  
7   2       14     12           11
9           11   3              
11     6         4       5   13 7
      13 6   16             1    
Showing puzzle number: 88
Puzzletype: Symmetrical Sudoku
Startnumbers: 68
Difficulty: Very easy (0)
Solution methods: SiSo SC
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