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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.

9     14 10                 11 1
  1 11       14   4   7     10 6
  7           10   6 14     5  
    10     8 12     4 11        
  11 4         6       14 3 13 8
    8   1     2 15 11 10       4
  13   15 14     1 6 5   2 11 8  
      5   3       12   13      
  4 9 8   11 2 7     15 5   12  
13       8 15 4 12     5   6    
4 15 14 7       5         2 1  
        5 7     13 8     10    
  3     7 1   4           2  
8 2     15   3   10       14 9  
10 14                 4 3     11
Showing puzzle number: 2138
Puzzletype: Symmetrical Sudoku
Startnumbers: 94
Difficulty: Very easy (0)
Solution methods: SiSo SC
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