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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.

5036829 puzzles downloaded.

  11   7 6     10   8   5     14 3
      5     9     4 2   16 15    
        16 12 8       1   10   6  
  10     14             16 11 1    
4 12     11       2 14         3 7
13   7       3 15 12              
15 14   3 10                 6 8  
10 9   6   8   4 3     7   16    
    14   15     11 10   3   4   2 6
  15 8                 13 3   11 1
              12 8 7       13   10
3 1         4 9       2     12 15
    6 1 5             9     4  
  2   9   13       3 7 6        
    12 14   7 11     13     6      
11 13     12   2   1     14 7   15  
Showing puzzle number: 25274
Puzzletype: Symmetrical Sudoku
Startnumbers: 102
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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