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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.

382432 puzzles downloaded.

11   7 10   16     4         9 8  
3   13 14 8   15   7   2 5 12   6  
        15         7   2 10 6 4  
15     11     5 1   13 10   2 16    
        1 7 3   15     16   13   14
13 15 1   14 6 4 3   11       2 9  
4     5 12     2   15 3 14     11 8
8   11 3 2   9     4 6 15 14 10 13  
  7 9 12 5 15 13     8   3 16 4   10
5 13     9 8 10   2     11 3     7
  6 4       11   1 14 7 13   5 3 9
12   16   10     14   6 13 9        
    3 1   11 16   5 12     7     4
  12 6 15 4   8         7        
  16   6 11 4   13   10   12 9 14   2
  9 15         5     4   11 8   1
Showing puzzle number: 379
Puzzletype: Symmetrical Sudoku
Startnumbers: 136
Difficulty: Hard (0)
Solution methods: SiSo SC DC
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