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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.

951206 puzzles downloaded.

4 15     10               8 11  
    13 2 7 15 1             14  
6   11   1   3 10 2       12 5  
    14 11 6     4 1         8 13
                14           5
  2   8 13 5   15 11 3   10     12
12     13   6 11 2 4       10 7  
    1                   15    
  11 15       10 1 12 7   13     14
13     4   8 9 14   2 1 15   10  
10           4                
3 1         15 5     12 6 4    
  13 12       7 9 3   4   14   6
  10             15 14 2 12 1    
  3 5               7     9 10
Showing puzzle number: 11119
Puzzletype: Symmetrical Sudoku
Startnumbers: 92
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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