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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.

4 5   3 16 11 13   2     10 15   9 12
  7 5         3   6     1   11 16
    15     4 9   5 7 3         8
9     10 3 14   15       5     8 1
  9 13 1 4 15   5 3       10      
    6 12 15   10   1 2 9   5 16    
3   8 4   2 15 11     13         10
  10 3       5 13 7   15 16     14  
  8     6 5   14 9 3       11 7  
8         16     6 15 1   12 5   4
    9 7   3 4 12   13   6 2 8    
      8       1 16   11 15 14 12 4  
14 6     9       11   12 7 3     15
1         13 12 2   16 8     15    
5 15   6     14   12         3 1  
7 1   13 10     16   5 2 11 9   12 14
Showing puzzle number: 1459
Puzzletype: Symmetrical Sudoku
Startnumbers: 132
Difficulty: Hard (0)
Solution methods: SiSo SC DC
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