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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.

6903785 puzzles downloaded.

3         15   14       16 2 5 10 11
  13 14 2   16     4 3 12         1
  4     6 2       9   1     7  
15     11       3     13          
              9     11   10   1 4
  14 16 8     4     7 10   9 15    
5 10 15   12     13 2         7   3
      13   10 3   8   4 15     2  
  6     15 13   2   11 9   4      
4   12         5 1     14   10 8 2
    7 14   8 1     6     15 13 3  
10 9   16   14     12              
          1     9       13     8
  16     9   2       8 5     6  
11         4 8 6     15   3 12 14  
8 3 1 15 14       13   6         7
Showing puzzle number: 11140
Puzzletype: Symmetrical Sudoku
Startnumbers: 108
Difficulty: Super easy (0)
Solution methods: SiSo
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