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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.

            5   13   14   1 15  
  15       1   11 2 3         4
5 9 1     8     6 4     10   12
  12     4 9   3   2     14 5 8
1 8       15   6 7         3  
    9     14 11   12       4    
7 11   15                 9   6
10     5 2           4 15     13
8   12                 3   10 11
    3       1   4 5     11    
  14         2 12   9       1 15
13 2 6     7   8   14 9     4  
9   15     2 6     12     13 11 3
12         3 13 4   10       8  
  13 4   6   15   8            
Showing puzzle number: 4684
Puzzletype: Symmetrical Sudoku
Startnumbers: 92
Difficulty: Super easy (0)
Solution methods: SiSo
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