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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.

955063 puzzles downloaded.

      3 11   13 5           9  
4           2   11   14 15      
  8 13 7   15   10     11   3    
11           12 3     6        
  1           6 15           8
  5 7   8   9     11 2   1    
    3 4 1     7     9 10   11  
  9     10 5 1   14 2 7     6  
  6   15 13     9     4 8 14    
    9   7 10     4   1   15 13  
13           15 11           3  
        14     2 7           11
    10   9     8   3   2 4 5  
      1 3   7   6           14
  2           14 12   13 7      
Showing puzzle number: 443
Puzzletype: Symmetrical Sudoku
Startnumbers: 86
Difficulty: Very easy (0)
Solution methods: SiSo SC
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