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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.

1066631 puzzles downloaded.

15     13   16 10   2         4    
12     14 5       15     8       6
11     4 12               10      
  1 3         6   13   12   5    
1         13             7   10  
      5   2 12   11   4     6    
        16 15 1         14     12 9
  12 7           1 2 13 10 4 11    
    16 7 2 14 5 15           9 13  
4 10     7         14 9 16        
    2     11   4   15 7   6      
  8   15             2         3
    1   6   14   8         15 4  
      10               9 12     1
7       8     1       13 14     2
    9         16   7 14   11     10
Showing puzzle number: 5334
Puzzletype: Symmetrical Sudoku
Startnumbers: 92
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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