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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.

945413 puzzles downloaded.

      14 6         15 3 12   11  
7 8       1     13       6    
13   11       5   3   1 9      
    6   7 3   15   10       1  
  10   11     9   2 12     15   8
4 13   5   8   6         10    
  4               13       8 15
1 11   6   4 8   10 5   2   9 14
14 5       15               10  
    2         10   6   8   5 4
5   10     11 4   9     3   12  
  14       5   2   7 15   9    
      4 14   15   5       7   9
    9       6     1       14 3
  12   3 10 14         2 4      
Showing puzzle number: 6169
Puzzletype: Symmetrical Sudoku
Startnumbers: 90
Difficulty: Harder (0)
Solution methods: SiSo SC SB DC XW
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