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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.

404194 puzzles downloaded.

  2 13 10 15     1 7 4 5     12 16  
5 14 3 1   6     4       12     9
  8     5   11   3     14 7      
6 3   13   8     12 7   15   2 1 5
11   16   4     15 9       5 8 3 14
2   1 3     10 12 15 6 4          
    7           8 13   11   15   2
16 6 5   8         3 13 9 11 10 15  
  1 14 5 10 11 3         2   9 7 16
4   2   3   8 14           16    
          13 2 5 1 10     6 3   4
1 15 8 11       6 16     5   13   7
8 11 15   6   1 10     3   9   2 13
      7 2     13   1   3     11  
12     2       7     14   1 4 8 3
  4 9     7 13 3 11     1 10 14 5  
Showing puzzle number: 558
Puzzletype: Symmetrical Sudoku
Startnumbers: 134
Difficulty: Harder (0)
Solution methods: SiSo SC DC XW
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