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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.

870270 puzzles downloaded.

    1   4     13     7 10   14  
9   2 3   6       4 12        
      11   12         15 13 4   6
1 11           12     3       4
  6     8 14 9     15 13 5     10
  7 4 5   13 3 2         1    
10     6       11 5     14     7
  9 7         4         8 6  
2     4     7 9       15     13
    5         15 12 3   6 13 2  
14     1 3 9     13 7 11     10  
13       2     6           3 15
12   3 14 1         2   8      
        6 15       8   12 5   11
  4   8 5     10     1   2    
Showing puzzle number: 107
Puzzletype: Symmetrical Sudoku
Startnumbers: 93
Difficulty: Super easy (0)
Solution methods: SiSo
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