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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.

  2 3       5           16   8  
  13 5 16 3 9 15     7   14   2 4  
          2             15      
  1   4   16         8 3     7 14
3 12 15   16 5     4   6 13       7
                      1   3    
    16     3 4 7 8   2 15 14   6 1
  5 7 10 8 6     12           16  
  6           11     9 5 3 8 14  
5 7   11 13 12   2 14 8 4     6    
    1   9                      
15       14 7   10     13 11   16 5 2
4 15     5 13         12   1   2  
      1             14          
  14 13   11   1     6 16 2 7 5 15  
  9   5           15       11 12  
Showing puzzle number: 3159
Puzzletype: Symmetrical Sudoku
Startnumbers: 104
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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