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Sudoku puzzles (Su Doku)

My database includes 12449 puzzles for the moment and I'm constantly generating more.

Rules: Fill in the grid so that every row, every column, and every 3x5 box contains the digits 1 through 15. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

871874 puzzles downloaded.

12 5     7     1           14 6
    3     14   7 8 15 13 11   9  
        14       13 9 1 10      
    7   12   2     3   13      
          15 14 11         3 5  
3 11     1           14 6     8
  3 2               7       14
5 7     8 12       2 9     6 11
15       9               4 1  
8     1 2           10     15 7
  10 13         12 2 14          
      6   7     10   11   2    
      3 4 10 13       5        
  13   11 10 6 9 8   4     14    
9 8           2     12     10 1
Showing puzzle number: 3929
Puzzletype: Symmetrical Sudoku
Startnumbers: 86
Difficulty: Very easy (0)
Solution methods: SiSo SC
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