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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.

5674996 puzzles downloaded.

3 11     7 5         6   4 16 9  
7     2 6 13   10     16 11     3 14
  16 4   2     3 5 12            
  6   1                     10  
  4 1 10     8               7 3
      9     6 5 11 14   13 12      
11 2   6 3     16         9      
12     14             8 9   11 6  
  9 15   5 6             7     12
      5         3     15 6   8 10
      7 14   2 11 1 4     3      
1 10               9     2 14 5  
  12                     10   4  
            5 1 13     14   6 12  
2 14     10 11     9   12 8 13     16
  1 16 13   4         3 10     11 8
Showing puzzle number: 31287
Puzzletype: Symmetrical Sudoku
Startnumbers: 102
Difficulty: Hard (0)
Solution methods: SiSo SC SB DC
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