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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.

5399604 puzzles downloaded.

            6   12   2       14  
  5 10   3 16   4   9 14 1     8 2
4   2   15   14     5       13   6
1 16       2     10   6          
    9   13     7 14   1   5   12  
16   4 10             13   15   7  
  12     4         7   2     1 14
5 7       12 1 2 4       16 3 13 9
7 6 5 8       14 11 2 3       9 10
11 2     7   10         12     16  
  14   4   11             2 8   12
  13   12   8   16 9     14   5    
          9   1     5       10 7
9   8       15     11   7   12   1
6 10     12 5 2   3   8 9   4 11  
  15       6   11   16            
Showing puzzle number: 22665
Puzzletype: Symmetrical Sudoku
Startnumbers: 110
Difficulty: Super easy (0)
Solution methods: SiSo
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