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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.

7646280 puzzles downloaded.

9   6             3     8   7  
  8 4     12   9 10 14 1 16        
13     3       11       15 12      
15 16     10       9 2     14 13   3
14             2   1 6   15      
  12 16         5   15 11     7    
  7 9 13       14   4 2       3  
3 15 2   7           10 9     1  
  3     2 16           1   4 13 15
  9       4 10   15       6 5 12  
    1     5 3   8         14 11  
      15   13 11   7             2
6   15 4     2 3       13     5 14
      8 1       12       7     11
        5 15 7 12 2   16     8 6  
  2   11     4             15   1
Showing puzzle number: 14609
Puzzletype: Symmetrical Sudoku
Startnumbers: 102
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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