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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.

867756 puzzles downloaded.

      3 7   12   2     6 11    
  14 6 2 10         7     1   4
12 1 9                   2 13  
  8     11 9         5       2
14 15 5 1         13 2 12 7   8  
  13 2 6 4 5   8 12 1          
8   14   5   4 10     13       12
          13 8   3 5          
4       15     14 6   1   8   7
          4 3 2   15 6 12 5 9  
  12   9 13 14 11         8 7 4 15
3       6         8 2     11  
  9 3                   13 7 6
1   15     2         8 11 12 5  
    7 5     6   8   14 4      
Showing puzzle number: 11557
Puzzletype: Symmetrical Sudoku
Startnumbers: 98
Difficulty: Super easy (0)
Solution methods: SiSo
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