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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.

883811 puzzles downloaded.

5   2   15         12 10        
  6     7   10       2 14 3 5  
                4     7     8
  15 11   6 4     1           3
13 9   5   11 14       15 1     2
7               15 6 12   8 13  
      4 1     8 14       15 3 5
9             7             13
14 10 5       6 15     8 9      
  5 12   4 14 3               9
11     7 10       9 5   2   15 4
3           4     1 7   6 14  
6     10     13                
  7 14 13 2       11   1     8  
        3 5         11   2   10
Showing puzzle number: 5286
Puzzletype: Symmetrical Sudoku
Startnumbers: 87
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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