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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.

769983 puzzles downloaded.

                    3   16     13
  12   5     11 14           3    
3     1 8 7                 10  
14       12 16       1   2       8
    5   1 10       8 14       3 9
7 16 3 13   5     9   2   8      
    2 9   8 6 7 3       15 10    
  10               7 11   6   5 4
13 9   8   4 1               6  
    4 12       9 13 16 6   1 2    
      14   11   12     7   13 15 9 5
16 11       15 2       5 14   8    
4       14   9       16 6       11
  1                 4 15 5     6
    13           7 3     14   15  
15     16   1                    
Showing puzzle number: 127
Puzzletype: Symmetrical Sudoku
Startnumbers: 96
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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