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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.

7627622 puzzles downloaded.

14       1 8         12 2 4 13 16  
4   13     3   2       14 7 5    
        11 7             10      
    7   4       10 16   15     14 9
9           7         5     1 13
1 14           8         5 15 7 4
  16 6 5 14 1           13     10 12
    12   13 9       1 3     16    
    16     14 4       15 8   12    
15 11     12           9 7 14 8 3  
13 7 8 14         4           9 5
2 12     8         5           11
8 15     2   1 4       10   3    
      10             8 11        
    5 7 3       9   2     14   16
  2 14 12 16 11         5 1       8
Showing puzzle number: 4911
Puzzletype: Symmetrical Sudoku
Startnumbers: 102
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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