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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.

        10   12 14         6 8 1
9     4 14       15 6       11  
  13     8   9       12     3  
14   4     9 10   8   7   11 6  
    5 12   3       14   1      
            7       13 8     3
    2 15     1       9     12  
8 12   1       15       2   4 7
  9     3       12     10 13    
3     8 12       1            
      11   7       5   6 12    
  10 14   7   11   3 12     8   4
  1     5       7   2     10  
  6       13 3       11 4     9
13 4 7         1 2   14        
Showing puzzle number: 4414
Puzzletype: Symmetrical Sudoku
Startnumbers: 85
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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