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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.

6898025 puzzles downloaded.

  9 1   6 11 15         3        
    16         4   1 10       8  
  6         3 16   2 13 9 7   11  
  15     9   10     6     13     16
14   5 9   1 6         15 3     11
      1   13 4   7       6      
  16         8     3 6     4    
  13     5 12   3 2       10 1 7  
  1 4 16       5 10   11 6     13  
    2     9 16     5         4  
      11       13   4 16   1      
13     15 4         9 8   11 2   6
9     2     5     13   14     6  
  7   5 13 6 1   8 10         9  
  4       3 12   9         10    
        14         12 3 11   13 2  
Showing puzzle number: 24360
Puzzletype: Symmetrical Sudoku
Startnumbers: 102
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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