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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.

614930 puzzles downloaded.

        11 15 4   12 5 2   10   8
    15     9     6         12  
8 12     1         10     9 6  
        15     14 1   4       11
12 4         2   13         7 5
9 13 10 11         3         8  
  10   8   1     7 14 12        
1       2 12       6 3       13
        12 10 13     2   6   5  
  3         7         10 15 4 6
2 15         6   10         11 7
10       8   9 13     14        
  5 3     4         15     9 1
  7         3     1     5    
6   9   10 5 11   15 7 13        
Showing puzzle number: 3810
Puzzletype: Symmetrical Sudoku
Startnumbers: 88
Difficulty: Very easy (0)
Solution methods: SiSo SC
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