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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.

6653869 puzzles downloaded.

2 5 6   13         3     11 4 10 1
  11 9 8     10   13       16   2  
10 7 3 16     4 11 2   15   8      
        15 6 2 8   11       12 5 3
9       4 3   15     2 12 5      
6   8           3 16   7 15 10 12  
3 2   7   12   10 11   5   4   9  
    13 11               10 7 14 3  
  8 11 2 10               14 5    
  10   9   7   14 16   8   3   4 6
  6 4 12 3   5 16           7   9
      3 9 1     4   6 2       10
8 3 16       14   5 7 11 13        
      10   9   1 12 6     13 3 7 8
  9   5       4   2     6 1 11  
4 13 12 6     11         9   16 14 5
Showing puzzle number: 6253
Puzzletype: Symmetrical Sudoku
Startnumbers: 126
Difficulty: Very easy (0)
Solution methods: SiSo SC
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