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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.

904311 puzzles downloaded.

7 6       1 9     12 14   3   10
  15 13   3   8 14     5     11  
9   14     3               6 8
      11 6         8   4      
  7       14       4 3 15   2  
    3     7 1 13 10       14    
11   8           14       15 10 5
    4     2 6   13 15     8    
3 2 12       7           13   14
    9       5 3 11 13     4    
  11   13 12 4       14       5  
      10   12         6 14      
8 5               1     6   4
  1     4     5 8   15   2 9  
2   10   15 11     7 9       3 13
Showing puzzle number: 11865
Puzzletype: Symmetrical Sudoku
Startnumbers: 90
Difficulty: Very easy (0)
Solution methods: SiSo SC
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