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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.

905453 puzzles downloaded.

  1       9   12       8 10   4
12 13     9       15 10 6 11      
    5 8                 9    
  4 13 15 7 5 12 10       2   8 11
  5       1         12 14   7  
      9 11     6   7          
7 9 6 2   14 10   4 1 11   13    
                             
    14   5 2 13   6 3   4 7 1 8
          3   9     7 12      
  15   12 1         13       6  
4 7   6       15 11 12 5 13 14 10  
    15                 1 8    
      7 12 15 8       4     11 14
14   11 1       3   2       15  
Showing puzzle number: 2480
Puzzletype: Symmetrical Sudoku
Startnumbers: 90
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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