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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.

825021 puzzles downloaded.

    4 15 13 3   5 11   1        
3     2     1         13   5  
9 1     5 7 6     2 12 15   10  
14       3 1     9 7 5   13    
      1           3   12 9 6  
            2     8     14    
4   13       14 3       1   7 5
    14 9   15       13   8 3    
15 12   5       10 4       11   14
    2     12     5            
  13 15 14   2           5      
    9   7 13 10     1 11       2
  15   3 4 6     7 5 2     11 9
  9   6         2     3     12
        10   12 11   15 7 4 1    
Showing puzzle number: 534
Puzzletype: Symmetrical Sudoku
Startnumbers: 92
Difficulty: Very easy (0)
Solution methods: SiSo SC
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