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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.

636507 puzzles downloaded.

    6 11               8     1
  10           8 13 6   12     15
  12     4   3   1   13   14 11 6
        12 6   14     5 13     2
6 7 3   9   2     8     15   4
      15     12 10           6 7
    4       11 5 6   7     13  
7         14       10         9
  14     8   15 3 7       11    
3 2           12 5     9      
13   11     7     2   15   1 4 10
9     7 1     13   11 8        
11 8 13   5   10   12   6     1  
15     3   1 7 6           8  
12     6               15 13    
Showing puzzle number: 7130
Puzzletype: Symmetrical Sudoku
Startnumbers: 90
Difficulty: Very easy (0)
Solution methods: SiSo SC
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