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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.

303928 puzzles downloaded.

9 11 14 10     2     5 8 15       1
13 3     2   14   16 15 7     10 8  
  9 11 8     12   2   4   16 13    
3     7 6   11 10   1 12 13       16
      11   8   2           4    
8     3   10 9 4     14 7 1 16 12  
  16 15 12 8     13 4 9       6   7
16 2   9           7 1 12     4 8
10 1     9 13 8           6   15 14
11   5       16 1 9     3 15 12 14  
  5 10 6 14 12     1 8 3   7     15
    8           5   13   4      
14       7 5 3   15 11   1 9     13
    6 14   15   5   10     13 7 16  
  4 1     6 15 8   2   16     7 10
4       1 11 5     16     10 9 2 12
Showing puzzle number: 844
Puzzletype: Symmetrical Sudoku
Startnumbers: 132
Difficulty: Hard (0)
Solution methods: SiSo SC DC
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