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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.

401505 puzzles downloaded.

15 11   2   10 1   4 12 7 9     14  
      4 15 1 14 3 8 6 11   9      
4   8   10 5 13 7 12       2 9 1 14
14     13 16     10 15   12 7        
      9         1 13 5 8 12 6 15  
2 4       11 15         12     13 9
  10 15 16 4     12     8         7
12 9 2     7     10 15   6 13      
      15 13   9 5     4     12 11 1
11         12     13     15 1 4 5  
9 8     14         1 2       7 13
  12 10 11 9 6 2 15         8      
        11 4   14 2     10 5     15
10 6 12 5       13 9 7 16 2   14   8
      6   13 12 11 3 16 10 5 14      
  13     12 8 11 6   2 15   16   10 4
Showing puzzle number: 2076
Puzzletype: Symmetrical Sudoku
Startnumbers: 134
Difficulty: Harder (0)
Solution methods: SiSo SC DC XW
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