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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.

357856 puzzles downloaded.

  14 9     11 5   15       12 10 3 1
  11       10 9 2     1     5   12
      6 10       13   3 7       8
14     9 6   4     5 8 12     11 7
  15   16 12     10 14 3   5     7 2
  1 12   11       2   7       5 14
    6   3 15 14   10 2   16   1   4
  3   1   12   11 5   4 8 15 7   6
2   11 10 15 7   3 4   12   5   16  
7   16   1   2 15   14 13 3   6    
8 10       6   7       1   12 4  
16 8     14   3 13 6     4 1   12  
10 4     5 16 1     6   2 8     3
3       16 2   5       14 6      
4   2     9     16 15 5       13  
1 12 7 5       14   11 2     4 8  
Showing puzzle number: 890
Puzzletype: Symmetrical Sudoku
Startnumbers: 132
Difficulty: Hard (0)
Solution methods: SiSo SC DC
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