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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.

369209 puzzles downloaded.

    15       16 12 1 13 2 8 7     5
      9 5   14               11 12
      5   13       10     9 16   1
    7 12   4 10 11 9 6   13   2 8  
5 1     15 3   13 12 16   6   9   14
6 13 2         15 5 1 11       16 9
    1 4 13 6 15       8 2     14 7
13 14   6 9 8 3 2       7   10    
    12   6       7 15 9 1 3   2 4
15 7     8 14       4 6 5 16 3    
10 2       7 1 14 16         12 13 11
16   14   3   7 6 8   10 4     9 2
  4 5   10   11 8 6 9 15   2 1    
3   6 14     12       5   15      
2 9               14   16 12      
7     8 12 16 5 10 14 2       15    
Showing puzzle number: 2829
Puzzletype: Symmetrical Sudoku
Startnumbers: 134
Difficulty: Hard (0)
Solution methods: SiSo SC DC
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