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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.

10           3       14       6  
1   9   7 14 5         15   16 2 12
  7           1 5     6   15    
                16 9   1 5 7 3  
  9   11         4 10     12 1 13  
    4   10 9 14     2 13       8 7
  13 3             12 8   2     9
        8         14 6 3       11
11       6 16 7         2        
6     7   8 4             14 16  
14 12       5 15     11 16 13   9    
  10 13 5     11 9         8   15  
  4 11 14 12   1 5                
    7   9     14 2           5  
12 1 16   4         8 5 9   10   14
  5       3       7           13
Showing puzzle number: 4174
Puzzletype: Symmetrical Sudoku
Startnumbers: 100
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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