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Sudoku puzzles 4x4 (Su Doku)

My database includes 34183 puzzles for the moment and I'm constantly generating more.

Rules: Fill in the grid so that every row, every column, and every 4x4 box contains the digits 1 through 16. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

7488909 puzzles downloaded.

8         16   15       2       3
  3   16               11       15
6         5   1 3   16   8 7    
        13 2 3 10   9 7   14 16   5
  12   4       5   8   3   9   11
        3 15       11 10   7      
    5   4 9     12   13   2 6    
    6 14   13 16 7 5           10  
  16           6 9 13 11   3 4    
    1 6   3   9     2 15   8    
      13   7 1       6 12        
14   9   10   8   16       13   2  
5   7 12   10 6   15 16 9 1        
    10 15   8   12 14   3         2
1       7               10   3  
11       1       6   8         7
Showing puzzle number: 24983
Puzzletype: Symmetrical Sudoku
Startnumbers: 102
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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