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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.

847499 puzzles downloaded.

      9       11 4   13 7     10  
      2 15 9 5     10         8  
  1 10   7 3 8 12         4 13    
11             10       5       9
8           16     7            
15                   4       16  
  3 9   4   11 7   5       14 12 15
1 7     3       16     2 11   4  
  12   3 16     2       1     7 10
6 11 5       14   13 2   12   4 3  
  10       15                   5
            4     11           1
2       1       11             7
    1 10         15 12 3 6   9 13  
  9         15     1 5 16 6      
  14     5 10   9 8       3      
Showing puzzle number: 3028
Puzzletype: Symmetrical Sudoku
Startnumbers: 92
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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