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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.

726724 puzzles downloaded.

    13 12   4 6 1   15         5  
  11   1 7           4 9 6      
  16 14   11 3             7     12
15     10         14 6 2   3 1    
16 6   7     15 3 1   5       11 4
    15   13         14 12       6  
    1                 6 5      
        14       2       10 15    
    2 11       5       16        
      3 2                 13    
  5       1 14         10   2    
6 15       8   10 11 2     1   3 5
    8 15   10 3 4         13     11
9     16             11 15   5 2  
      5 9 13           8 15   4  
  4         11   5 12 13   9 8    
Showing puzzle number: 24
Puzzletype: Symmetrical Sudoku
Startnumbers: 94
Difficulty: Very easy (0)
Solution methods: SiSo SC
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