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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.

  4   2               3     11
    13   5   15 8         14    
  1   6 14   5       4   10   7
11   10   2 8       6 5 13      
5 9 14     2 11 15           8 10
  13         12 10 14   11     9  
  15           3 10 14     7    
3 7       12   9   4       10 15
    4     5 2 11           12  
  5     9   4 6 8         14  
14 6           12 15 2     8 5 3
      8 13 1       9 15   11   4
9   12   3       5   6 10   11  
    8         4 11   9   1    
7     10               5   3  
Showing puzzle number: 758
Puzzletype: Symmetrical Sudoku
Startnumbers: 91
Difficulty: Harder (0)
Solution methods: SiSo SC SB DC XW
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