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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.

402162 puzzles downloaded.

  5 3 13   6 7 4 1 12 14       16  
4 7 6 10   1 9 12   14   3 13      
    12   13             14 1   15 7
    8 12 3   14 16   7 2 10        
9   13   15   12     4 10 8       1
2 8 9     4 13 6 3     12 5 14    
14 2 1       10 3 11     5       9
13             7 14 5   16 4 15    
    16 8 11   1 15 12             5
16       7     8 9 10       6 5 14
    5 6 12     10 16 11 9     3 13 2
12       4 3 16     6   2   1   8
        8 5 6   13 3   7 16 11    
10 3   7 1             13   8    
      1 14   4   10 13 3   15 12 6 11
  13       8 2 1 15 9 5   14 4 3  
Showing puzzle number: 1181
Puzzletype: Symmetrical Sudoku
Startnumbers: 134
Difficulty: Hard (0)
Solution methods: SiSo SC DC
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