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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.

1146438 puzzles downloaded.

  2       15   4   16 9         10
6   7       11   5       3 8    
3         6   8 2       16 1 15 7
                10     3   4    
        12       4 3     13 9   6
4       6 16 8   9         15 5  
      16 5   10     13 1   2 11    
15         9     11   10       16  
  15       8   9     7         13
    14 3   5 6     2   15 9      
  7 6         3   9 11 13       8
12   4 2     13 11       8        
    9   11     6                
11 6 3 5       1 14   16         2
    16 1       12   6       10   15
7         4 2   3   12       1  
Showing puzzle number: 1824
Puzzletype: Symmetrical Sudoku
Startnumbers: 96
Difficulty: Very easy (0)
Solution methods: SiSo SC
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