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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.

6871909 puzzles downloaded.

8         11     6         5   1
                      9 14 4    
12 2 9   6   5 13       14     11  
    14       15   16 10   4 6      
16     15   4 6   11 5   2 8 3   13
  9     13 16       4       15   7
14   6     12     15 7       16    
  4     7   11   9   14     10    
    1     9   5   2   3     16  
    2       14 12     16     11   10
15   11       8       6 5     7  
4   12 5 2   10 7   15 11   9     3
      2 4   7 1   14       8    
  5     8       2 3   1   12 13 9
    13 8 15                      
9   4         10     7         15
Showing puzzle number: 16326
Puzzletype: Symmetrical Sudoku
Startnumbers: 100
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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