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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.

    11     14       12 1     8   2
8 15   3           7     11     16
9     1     6 8       11     14  
      5 15   2   13 10 6 8 3      
    12 8   7 4     1 5          
  14 15     16 12 2   11 9   10   6  
6         8 9 13               5
        14   10     3 12     16 4  
  4 5     1 3     13   10        
16               3 15 4         10
  3   13   15 14   5 6 7     4 11  
          4 5     2 14   13 1    
      10 4 5 8 6   14   15 1      
  12     2       1 16     7     11
7     16     15           9   2 14
14   1     12 11       13     10    
Showing puzzle number: 27444
Puzzletype: Symmetrical Sudoku
Startnumbers: 104
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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