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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.

945738 puzzles downloaded.

  6 15 7     10                
14       1 8       5     12    
8 10         12 15   3 4 7 9 14 13
2   7         8   1     15 12  
1     8 13 4       10   11      
  14 12     2         1 10      
    9   4 3   13   15 11 12   8  
  15   1 8   9   2   13 5   10  
  2   11 7 5   4   8 14   6    
      12 9         2     13 11  
      3   14       13 9 4     6
  7 11     9   5         10   3
7 12 4 5 14 10   9 6         15 1
    1     15       7 5       12
                5     9 11 4  
Showing puzzle number: 206
Puzzletype: Symmetrical Sudoku
Startnumbers: 96
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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