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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.

871481 puzzles downloaded.

4     15   14         5 11     9
13             5   9          
  14   11 3       15 1         6
  15 12     2 5   10 11       13  
    3 2         13 4       15 1
6         15     8   4 12 5 2  
11     5 13 1 9     15 12     8  
    9 8               13 4    
  7     2 6     5 12 9 15     11
  13 7 3 14   6     10         8
8 9       13 12         10 2    
  2       4 7   14 5     15 12  
14         5 2       15 7   1  
          11   12             13
5     12 6         13   2     4
Showing puzzle number: 7601
Puzzletype: Symmetrical Sudoku
Startnumbers: 90
Difficulty: Very easy (0)
Solution methods: SiSo SC
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