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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.

892596 puzzles downloaded.

  8 10       4   13 12     15    
    2   15     5 11     6   10 12
    9         2 15       3   11
      6         1   3       15
4 9 7 8   15 12       1 5     2
    5 12 2 6   3     9     11  
7       8   9         14     4
10   13         14         8   7
15     9         8   5       1
  13     6     9   7 14 11 12    
9     4 7       12 14   13 5 3 6
12       14   6         1      
2   6       13 1         14    
11 5   13     14 15     7   6    
    1     5 10   7       9 15  
Showing puzzle number: 4396
Puzzletype: Symmetrical Sudoku
Startnumbers: 91
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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