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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.

955063 puzzles downloaded.

6 7   1   8 14           11   3
  12 15   10               7   4
13   11 9       2           12  
        1 11   8     9 5 14    
  6     15 9   12 7   10   4   1
  9   5 11 10   15              
    12 4   5 2   6   13     7  
  1 9       12   8       5 2  
  5     14   9   1 11   12 10    
              6   8 11 7   9  
8   2   7   13 11   4 15     14  
    10 11 12     7   2 8        
  2           13       11 15   12
15   8               6   9 5  
14   1           11 6   2   10 13
Showing puzzle number: 4856
Puzzletype: Symmetrical Sudoku
Startnumbers: 92
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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