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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.

        6 12 8     5            
12 3   1 15       16 6   2   14    
9       14         11 4     2    
15       5     7 10 8 9   16   4 11
        10 16       12     4     8
  12 9   7   2               3  
2   6     15   8         14   12 5
16   10       5   2     8   1   7
5   7   16     14   2       12   1
10 4   2         15   12     7   6
  6               3   11   10 14  
1     16     12       8 7        
3 13   7   8 14 16 11     10       4
    14     4 6         3       12
    2   12   13 15       16 7   1 14
            10     13 14 4        
Showing puzzle number: 30174
Puzzletype: Symmetrical Sudoku
Startnumbers: 100
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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