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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.

1074291 puzzles downloaded.

          5         3 6   9    
  6     16       15   10       11 5
          1 4   14   11   13   10  
14   11 2 8     9 13   1 5       15
    7   3 4 16       14         2
    14         1   13 15         6
  1                   7 8   13 11
8     16     13 15           14   9
7   3           10 11     2     4
4 15   5 14                   9  
16         2 5   3         13    
10         13       5 9 12   1    
12       13 14   4 6     15 5 2   7
  7   14   16   5   10 2          
2 9       11   6       13     4  
    1   9 3         8          
Showing puzzle number: 2908
Puzzletype: Symmetrical Sudoku
Startnumbers: 94
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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