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Sudoku puzzles diagonals (Su Doku)

My database includes 5816 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. The diagonals must also contain 1 through 16. There is only 1 solution for each puzzle.

For more information check out Wikipedia.

982283 puzzles downloaded.

        14   2 9       15 8      
        6                 10   1
    3 10       12     4   14   6 5
7           10 5       1        
  1     10   16 7 12 5   3 9 2   8
10       5         4 1   11   15  
          2   4     7         3
    8     3 9   2 14   11 5 6 4  
  6 15 3 1   12 10   2 14     9    
12         15     1   5          
  2   9   14 7         8       15
1   5 16 4   3 6 13 15   7     12  
        7       14 16           6
6 10   14   13     15       4 11    
3   7                 9        
      4 15       10 8   13        
Showing puzzle number: 4902
Puzzletype: Symmetrical Sudoku
Startnumbers: 96
Difficulty: Very easy (0)
Solution methods: SiSo SC
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