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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.

4 5 3   16 10           15 12      
  15 12 9   1 6   7 3   14   10    
  12     13 3 4 15 1   2 9   14 10  
  4   12 3 7   13   1   2   8   5
3 8 7           10 13   5   6 4 9
6 7 16     9 15           10      
13   11 10 1 15 8   4 14   12   9 6 7
5 16   8 7   10 1   9       13    
    4       7   9 16   1 6   14 13
15 14 2   10   1 6   4 5 11 7 16   3
      5           10 8     12 15 6
9 6 10   15   12 11           5 3 1
14   8   4   2   13   9 6 3   5  
  2 9   8 12   16 5 15 6 4     7  
    6   9   16 3   2 11   1 7 13  
      3 6           14 10   2 8 16
Showing puzzle number: 116
Puzzletype: Symmetrical Sudoku
Startnumbers: 140
Difficulty: Harder (0)
Solution methods: SiSo SC DC XW
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