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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.

6   14       4 11         9   13 15
11     9 7     12   16 2   10   14  
      15 11     3       1 16 2    
        12 16 14 2 6 8   9 1      
12 14     16 3       15 1 2       4
14 10 12       2 9   3 6     15 4 16
8 4 2 3 14 7     9       15 1 6  
16 11       2     10 9 8 6 7 4    
    13 14 3 1 9 6     15       5 12
  6 5 7       13     3 8 14 9 11 10
1 9 16     4 10   13 11       3 2 8
7       2 8 11       4 13     12 3
      1 9   12 15 3 14 13 4        
    4 11 5       7     10 13      
  7   10   6 5   11     15 2     14
5 13   2         14 10       8   11
Showing puzzle number: 781
Puzzletype: Symmetrical Sudoku
Startnumbers: 132
Difficulty: Very easy (0)
Solution methods: SiSo SC
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