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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.

803281 puzzles downloaded.

      6   5     1   13       2  
    10 16         2 8            
    13 3 1 7     4     9 8   5  
    1   9   3               13 14
    12 1     6     14   13 9 5    
6 3 14 5           15            
          14   7 16     1 4     15
8   16       4 12 5 2           7
1           15 14 9 10       3   8
2     15 12     4 3   1          
            7           6 1 4 2
    5 4 8   9     7     10 15    
9 12               4   14   8    
  13   8 14     9     7 10 5 4    
            1 11         16 9    
  1       12   6     8   7      
Showing puzzle number: 5305
Puzzletype: Symmetrical Sudoku
Startnumbers: 94
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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