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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.

  8           4     5 6   11    
      1 16             9 13 15   2
11   16 9     10 14   15 8     6    
  5   6         3     11 9 16 1  
14 15           7 10         13 9 4
    5 2         1   14     8 7  
  6 9 7 8 11   2 5     13        
8   10   9 14                    
                    3 14   1   6
        1     12 15   10 4 2 14 3  
  4 1     13   3         10 12    
2 9 6         11 13           8 7
  14 7 13 10     1         11   12  
    15     12 2   9 7     3 4   10
5   3 10 4             2 16      
    11   6 5     12           15  
Showing puzzle number: 19877
Puzzletype: Symmetrical Sudoku
Startnumbers: 102
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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