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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.

674051 puzzles downloaded.

5       3 13 1 2     16          
      16 14   10                 1
    15   6           7   14      
11 8   7 16 4         3 12        
    2 15       11       3     13  
    8   12     16 15           1 11
7       8 5       16       14   10
12 1 3   15     13     10   5 2 16  
  2 10 3   11     9     16   12 8 14
6   11       12       8 2       7
16 12           1 4     6   15    
  14     5       3       13 11    
        13 1         4 7 8   14 15
      5   12           1   16    
13                 15   8 3      
          8     13 3 5 14       12
Showing puzzle number: 5761
Puzzletype: Symmetrical Sudoku
Startnumbers: 94
Difficulty: Very easy (0)
Solution methods: SiSo SC
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