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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.

3036297 puzzles downloaded.

      4 15       9     13     14  
        1 8 4     2 15   9 11    
  10 7     13   12 11           2 15
6     2 7 5   14   8     3 13    
7 5       15 13   4     3 11      
    13 3 14 1             16      
8         12   9             10  
        2 4 8     7       3 5 13
11 4 15       16     9 13 14        
  1             3   6         4
      9             1 12 8 15    
      5 13     10   4 8       7 12
    1 11     14   16   3 7 5     6
5 14           7 1   12     16 15  
    3 8   9 1     14 2 10        
  9     6     15       8 1      
Showing puzzle number: 16573
Puzzletype: Symmetrical Sudoku
Startnumbers: 100
Difficulty: Very easy (0)
Solution methods: SiSo SC
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