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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.

586979 puzzles downloaded.

  11 14       9 8   16 10 5     13  
  5 13 8       16         1 7 4  
        4   1 13   9 6          
  10     5 6       1 2       16 3
      13   1 16             8   5
  15                 1   11 12    
  7     8   11 15     4 16        
    11 1     2   13     7        
        1     2   10     12 4    
        15 12     2 13   11     7  
    12 9   11                 3  
13   4             5 7   10      
11 13       15 10       16 3     12  
          4 6   15 8   1        
  9 15 4         6       7 16 2  
  1     11 16 12   5 4       3 15  
Showing puzzle number: 3271
Puzzletype: Symmetrical Sudoku
Startnumbers: 94
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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