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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.

871944 puzzles downloaded.

2   5   10         7     6 8  
12 1 4     3 15       2   10 9  
    15 6 9 2 14   10       4   7
    12   1   8 2           11 3
          1     5   8   15 2  
                6   9        
5       3 8   15 12       9 13 1
13       14 9       11 4       12
11 12 9       3 7   4 15       8
        4   9                
  15 6   5   2     1          
7 9           10 8   5   3    
9   10       1   15 5 11 3 8    
  7 1   11       9 2     12 5 14
  3 2     7         10   1   9
Showing puzzle number: 2363
Puzzletype: Symmetrical Sudoku
Startnumbers: 92
Difficulty: Harder (0)
Solution methods: SiSo SC SB DC XW
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