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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.

744048 puzzles downloaded.

    14     1     5 2         9  
15 2   1 11     16     10       3  
3       7 10             8 4   16
8     4         16              
          12 3 7 13     15   2    
6   16 12 14     15   1       13   9
5 4       2   9 3 8       6   10
  3 8     5     14 16 12          
          14 1 12     6     7 10  
14   3       11 8 12   13       6 2
10   2       5   9     8 13 15   11
    9   10     3 2 11 5          
              1         6     8
16   13 8             1 2       5
  5       8     7     10 1   12 15
  11         9 10     15     3    
Showing puzzle number: 2735
Puzzletype: Symmetrical Sudoku
Startnumbers: 98
Difficulty: Super easy (0)
Solution methods: SiSo
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