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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.

381831 puzzles downloaded.

      16 14   5 9     11   8 7 6 1
  12   6 11     13   14 2 1   3 8 16
14 13   12     16 7     10   2 1   5
      4     8   16 11 6     12   2
      14 4 2 3 11       10     15 13
  8 3     5 11     7   13 10 15   12
  11     9 14     4   8          
5 16   3     13 10 1 12 15     2   4
9   12     3 14 8 7 16     15   4 6
          8   6     3 9     7  
15   10 5 2   7     4 16     9 11  
10 9     1       5 3 7 12 14      
13   11     1 15 12   6     3      
16   9 11   15     2 1     12   13 7
8 5 14   10 4 1   15     3 9   12  
3 6 1 9   16     14 10   15 11      
Showing puzzle number: 2769
Puzzletype: Symmetrical Sudoku
Startnumbers: 134
Difficulty: Harder (0)
Solution methods: SiSo SC DC XW
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