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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.

399759 puzzles downloaded.

  10     16   7 3   9           4
      6   4   10       9 14      
14 2 15   12 8   5       11     16 13
    16 2 8 5   11       6   15 7  
    1 4 15       9   13     7   2
11   5     7 16 9   2   8 4   6 12
  8 6 13 14 10 3 1 12           5  
10 7 4     3       13   15 2 16 14 11
1 3 8 7 10   12       16     2 15 9
  14           15 13 1 9 5 7 3 4  
16 11   15 5   2   1 3 6     9   8
5   10     15   7       3 16 8    
  4 9   6       5   2 1 13 14    
12 13     11       14   15 2   10 3 5
      12 13       6   10   3      
6           8   16 15   12     11  
Showing puzzle number: 1323
Puzzletype: Symmetrical Sudoku
Startnumbers: 128
Difficulty: Very easy (0)
Solution methods: SiSo SC
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