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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.

887114 puzzles downloaded.

    12 6   10 7       5        
  10         9 11   2 6       8
  15 13       3 1         11 7  
5 2   1 8 11                  
4 7 14 12   2     9       6    
15   6 11   5     7 8 4        
10       7 4     3 9 15   5    
6       15   11   1   10       4
    5   12 7 15     14 8       9
        2 13 4     12   9 1   10
    11       8     7   6 4 2 14
                  10 12 5   8 7
  5 1         7 2       12 11  
14       10 12   9 15         13  
        11       4 1   7 2    
Showing puzzle number: 6690
Puzzletype: Symmetrical Sudoku
Startnumbers: 92
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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