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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.

878079 puzzles downloaded.

    1 13             15 3      
      7   11   10     4   12   9
9 11     14 3   7       6      
3     9 12               2   8
  7 14   2 13   4           6  
  5       2 12       10 7 13 4  
6 15 8       7   1 3          
11   9 5       13       1 3   10
          10 6   2       7 12 15
  1 2 12 3       10 9       11  
  13           8   11 9   6 1  
14   6               3 15     5
      4       9   14 12     3 6
2   11   8     5   4   13      
      3 9             10 4    
Showing puzzle number: 11552
Puzzletype: Symmetrical Sudoku
Startnumbers: 87
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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