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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.

296952 puzzles downloaded.

2       3       4 13   10        
  4 7 9 8     6 3   13       1 10
  5 12 10   7   11   1 16   9 2    
  8 13 15         12     6 3 9 2 11
4     5     16   15 7   1 6 11   9
    16 4 7   11 8     6 9   15   1
1   3   11 5 15   10     8 4 12   6
  11       14   1 6 9   12 16 3 15  
  3 9 2 13   10 5 1   15       8  
11   4 3 10     16   6 5 15   7   14
10   1   16 2     7 15   4 8 13    
8   11 13 2   6 4   12     14     15
3 1 15 16 9     2         10 6 12  
    10 12   4 5   14   11   2 16 6  
7 14       15   12 13     3 5 8 9  
        12   14 3       16       4
Showing puzzle number: 1413
Puzzletype: Symmetrical Sudoku
Startnumbers: 138
Difficulty: Very easy (0)
Solution methods: SiSo SC
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