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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.

720063 puzzles downloaded.

8 4   14         10   3       15
    6   9       4 5   12 7 1  
  5               12   10 13 8  
  14 11   13               10   7
      8 1 10 7           14    
  2   7 3   12   13         15  
  15 7     3   5 11     1      
    8 10     2   1     15 3    
      3     8 7   4     2 9  
  8         15   9   5 3   7  
    12           6 1 10 4      
4   3               1   11 14  
  7 9 12   1               2  
  1 5 13   12 9       14   6    
6       15   4         9   10 11
Showing puzzle number: 4344
Puzzletype: Symmetrical Sudoku
Startnumbers: 86
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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