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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.

7544667 puzzles downloaded.

      13     15 1 7   16     10    
  9 6                 3 16 11    
11 1       16         14   3 12 6 9
8 15     9       4 6     2     14
                11     4   1 13 15
  6 5   2   7   9 15            
2           1   14   8 5 10      
16 7         14 15       6 5   2  
  13   8 4       10 11         5 1
      9 6 8   14   12           16
            2 5   4   13   8 11  
5 2 7   10     9                
13     1     16 4       2     3 12
7 14 4 10   13         11       16 8
    3 6 1                 14 10  
    2     5   8 13 14     4      
Showing puzzle number: 28052
Puzzletype: Symmetrical Sudoku
Startnumbers: 100
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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