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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.

7300181 puzzles downloaded.

5       15         6 1 8        
      16       4 3   14     7 9  
          6     5   15         13
        13     5   9 10   1 2   4
  8   12 1         3 6 9 13   7  
3 14     10   6     2 13 1     4 9
      5                 6 14   1
        3 16   13 7 12     2   8  
  9   1     10 15 14   8 11        
10   6 4                 16      
13 5     9 1 4     10   15     12 14
  11   15 6 8 2         16 9   10  
9   5 10   3 1   13     12        
14         9   16     7          
  4 13     10   14 9       8      
        5 7 13         2       3
Showing puzzle number: 17215
Puzzletype: Symmetrical Sudoku
Startnumbers: 100
Difficulty: Very easy (0)
Solution methods: SiSo SC
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