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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.

7641267 puzzles downloaded.

16           15 9   11 8   13     1
  4 8         5   13   7        
      12   7   14       4 3 8   5
9 15   5   4   3         11   14  
      6   5   2   16       9   3
  11   7 8     4 6 1   2       15
        15 6     4     9 10 5   13
            7       5 15     11  
  5     10 2       3            
3   2 4 12     15     6 11        
13       4   9 11 7     8 15   12  
12   11       3   13   15   16      
  1   13         11   9   5   10 8
15   3 14 7       12   2   9      
        6   4   16         7 3  
7     8   13 14   1 15           4
Showing puzzle number: 4855
Puzzletype: Symmetrical Sudoku
Startnumbers: 102
Difficulty: Very easy (0)
Solution methods: SiSo SC
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