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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.

4115896 puzzles downloaded.

13         12 16 4     5     10   11
        9 14           16 12     3
      5 8     2   1 4   13     16
    16         11 15 6 10          
  14 10   5   11   8   16         6
  15   3 2   4   13 12 9   5 11 14  
  6   2   13       3   14   7   15
      16     15   11 10       13 3 12
1 16 11       9 5   13     7      
2   3   15   8       11   10   13  
  4 12 6   11 7 14   8   15 9   5  
5         6   10   14   9   16 12  
          9 6 8 10         4    
15     11   2 10   7     8 6      
16     8 11           14 6        
6   13     3     9 2 12         5
Showing puzzle number: 25010
Puzzletype: Symmetrical Sudoku
Startnumbers: 110
Difficulty: Super easy (0)
Solution methods: SiSo
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