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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.

948902 puzzles downloaded.

        5   1 6   11 10   12   9
        12       5         7  
7 11 1           10     8      
  8     2 12     1     6 5   14
10   5 12 9       4   3     2  
  6 14 3         2         10 15
    7   4 3   5 14   11 15 13   10
        11   4 15 12   2        
15   8 6 14   10 11   7 1   9    
13 4         3         2 6 12  
  12     7   11       4 9 1   13
2   3 1     12     4 7     14  
      4     7           10 9 5
  2         5       6        
5   9   1 4   13 3   15        
Showing puzzle number: 10132
Puzzletype: Symmetrical Sudoku
Startnumbers: 93
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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