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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.

906181 puzzles downloaded.

    13   14   1 3 9 7   5      
  6     11 2   10 14   9 13      
        7 13 6         15 14   2
                  10   9 4 13 3
11       13     12         1   8
  7 4   5   13 2     12        
13     5               10   4 9
  1   12   4       2   14   6  
7 8   6               2     13
        6     11 7   1   9 2  
9   8         1     6       4
15 4 1 14   12                  
6   5 4         1 8 7        
      8 1   3 6   5 14     11  
      11   9 14 7 15   8   2    
Showing puzzle number: 7349
Puzzletype: Symmetrical Sudoku
Startnumbers: 88
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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