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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.

1064776 puzzles downloaded.

10               2 5   6 4 7 11 15
5 4 3     1 15     7            
1           16   12   13          
6 11           10 8     15       12
                6 1 3       4 5
8 5 1 3     12 6   15     14 2    
    7       14 9     8   6   1  
  9     5 4     11             10
14             13     9 2     5  
  1   11   6     10 8       15    
    8 15     9   13 4     12 11 3 6
9 13       3 11 7                
15       16     14 5           10 13
          13   12   14           7
            8     10 12     3 15 1
7 2 5 4 3   6 15               9
Showing puzzle number: 4849
Puzzletype: Symmetrical Sudoku
Startnumbers: 98
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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