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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.

7552523 puzzles downloaded.

  2       10   5 11     6 14 8    
  11       13 3   2           7  
5         6   8       1 10 2    
  4 3 12       2 13   8     16   5
  3     14           11 10 12   5  
13       11 12     5 6 3       8  
        2       16 4   14        
      4       16   12   13     14 6
3 15     7   10   9       4      
        5   4 3       12        
  9       2 12 6     16 7       13
  12   5 15 1           3     9  
11   10     8   12 4       3 15 16  
    14 3 16       6   9         8
  7           4   11 13       6  
    2 13 6     14 3   12       1  
Showing puzzle number: 1715
Puzzletype: Symmetrical Sudoku
Startnumbers: 98
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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