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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.

371352 puzzles downloaded.

13 12 3     8 15       14 5 9   16  
1   6 8 2 9     16 3 5 11   4    
              16 12 1     6     5
  10 12     3   11 6 8   2   16 13 14
    5 2 9   13 12   16 4     3    
    13 12   1     8     6       15
10   1 6     12   11 5   14 15     16
12 7     3 6     10     1   15 14  
  16 15   14     8     13 4     2 1
3     9 7   1 4   11     5 14   13
7       15     13     1   2 6    
    8     4 5   2 6   9 16 13    
8 15 4   13   10 9 14   3     1 12  
5     16     14 10 7              
    7   12 16 11 1     2 15 8 10   9
  3   4 16 5       7 10     11 15 2
Showing puzzle number: 805
Puzzletype: Symmetrical Sudoku
Startnumbers: 130
Difficulty: Hard (0)
Solution methods: SiSo SC DC
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