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Sudoku puzzles (Su Doku)

My database includes 2967 puzzles for the moment and I'm constantly generating more.

Rules: Fill in the grid so that every row and every column contains the digits 1 through 16. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

362587 puzzles downloaded.

4     6   2 12 15     13     9 3 14
  2 16 5     11   13 12   14 9   15  
10 15 7   3             13 12 1 4  
11   15     8   3       2   4   9
15 12     4 5 3 7 1             2
14   10 4 12 16     9   6 5 15     8
        2 3 10 1 11     16 7      
  14   8 13   5   7 9     10     11
5     9     7 14   8   3 2   12  
      11 15     2 10 6 8 9        
3     13 5 14   4     11 12 8 7   16
8             9 6 16 7 1     2 4
13   5   1       12   9     15   3
  9 13 3 10             6   16 11 15
  10   16 9   13 11   15     6 14 8  
2 7 6     10     16 13 3   11     1
Showing puzzle number: 2826
Puzzletype: Symmetrical Sudoku
Startnumbers: 132
Difficulty: Harder (0)
Solution methods: SiSo SC DC XW
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