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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.

949198 puzzles downloaded.

  10 14   11 3   6         8    
13   4 2         8 9          
    6     15 10         2      
7   8   15   13 14 5           1
        9         1 8 12 10   5
          4   9   3   6   7  
  15     12 6   2 14   11     9  
4 2 10 7     11   9     14 3 1 12
  9     3   7 12   13 6     2  
  13   6   14   1   4          
9   7 11 4 12         1        
12           5 3 7   10   2   4
      8         1 5     11    
          2 14         10 12   15
    5         13   12 9   14 6  
Showing puzzle number: 2097
Puzzletype: Symmetrical Sudoku
Startnumbers: 90
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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