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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.

6905035 puzzles downloaded.

    5 6   1       8 2   7   9  
10         2       9   7       6
  8         13   3 5 11   4   2 1
      2             10       13 12
    13 3 10             9       2
        14   6     7   8     11 4
  10 8   9     1 11   6   3     15
1 5 11     3   8 2 10   13 9      
      1 2   16 6 9   7     4 8 10
7     4   8   9 5     12   16 1  
5 15     7   1     2   16        
2       12             4 15 6    
8 3       4             13      
14 1   9   11 10 3   16         5  
11       6   9       12         16
  7   10   12 5       1   6 2    
Showing puzzle number: 17753
Puzzletype: Symmetrical Sudoku
Startnumbers: 104
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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