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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.

1153565 puzzles downloaded.

14 12 11 4     5         8 15     6
      16               5 14 8   10
5   15     16     2   3 13 7 1    
        12   7   11              
        9 13   5 15 7     8     11
          7   2 14 5   11   9 16  
    2   15 12       9            
            6 11         4 10 15 2
12 4 10 15         13 2            
            15       9 7   16    
  16 3   7   9 4 5   10          
9     11     10 14 1   6 4        
              16   13   9        
    5 2 4 1   13     14     6   16
15   16 9 11               3      
4     13 5         3     10 15 7 1
Showing puzzle number: 5442
Puzzletype: Symmetrical Sudoku
Startnumbers: 96
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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