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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.

3736508 puzzles downloaded.

15         4   13 2              
  8 14   2 12 10         6     9  
11   13   3   14     7   12 6 8    
  10             8     1   3    
        16                     8
  16     13 3 7   4 2   10     1 9
14 13   2 11         12 9     16 5  
9 7 15   8     4 13   1 11       3
1       9 7   12 16     14   11 2 5
  6 5     14 13         7 15   12 16
2 14     10   6 16   1 3 4     7  
3                     13        
    2   14     10             3  
    1 7 12   3     15   9   13   14
  5     1         13 7 16   10 11  
              6 14   11         15
Showing puzzle number: 20917
Puzzletype: Symmetrical Sudoku
Startnumbers: 102
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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