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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.

3480984 puzzles downloaded.

5     16 2       3   11   12   14  
      6       7   5   10     8 4
10   11   12 4         9          
  9 2   15   3   12 16       5   11
15 2             10   12 3       1
11   14     10         2       9 5
        3 9     11         12 7  
8 3   13 7 16 1 11   6            
            6   16 10 7 12 9   3 8
  10 6         1     8 14        
4 13       8         3     11   6
9       5 15   3             13 12
13   16       7 8   2   1   9 6  
          3         5 16   8   13
1 8     13   16   4       15      
  15   10   6   4       8 16     7
Showing puzzle number: 3063
Puzzletype: Symmetrical Sudoku
Startnumbers: 102
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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