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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.

678290 puzzles downloaded.

1     15 2       9   4 12      
  8   6 12 1     10 3       11  
9   10 13 14   4   8 12 7     1  
2 6             3 7       5  
        1       2       8    
3   7 9     5 11     6 2 1    
6     1 10 9     14 11     4    
  4         3 2 6         9  
    11     13 7     10 1 5     14
    15 7 3     14 5     11 9   13
    8       13       5        
  12       7 10             3 4
  3     8 10 11   13   2 1 5   15
  5       3 2     14 9 6   13  
      12 11   6       10 7     3
Showing puzzle number: 11987
Puzzletype: Symmetrical Sudoku
Startnumbers: 95
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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