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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.

5     7       2 10     6   11    
16     2 14   9         3 13     7
  9   10 1   6 13         4 3   12
1     8   3   7             15 6
    12           3   2       5 4
8           3   7     11 2      
      3 13   11 10 9   14          
        5     12 13 8   4 9   3 16
14 3   4 12   7 16 15     8        
          13   3 4 2   7 16      
      1 4     8   6           9
7 16       10   11           4    
13 14             5   16   6     2
6   4 5         2 13   10 15   16  
10     9 16         11   14 8     5
    16   9     5 8       7     14
Showing puzzle number: 3053
Puzzletype: Symmetrical Sudoku
Startnumbers: 102
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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