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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.

10   4 12     7   5     2     1
13     6   10     14         12  
  11         6   3 2     5   10
7 3   10   13 15 6 4           8
  1                 10     2 14
    9 14 4 2         7       12
    1 11     5   12       14    
    6   9   13 11 10   15   2    
    10       2   15     3 12    
5       13         10 2 8 4    
11 7     15                 1  
2           8 15 7 4   9   14 11
3   13     15 14   1         7  
  9         10     7   14     2
4     7     3   13     10 1   9
Showing puzzle number: 7031
Puzzletype: Symmetrical Sudoku
Startnumbers: 89
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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