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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.

848401 puzzles downloaded.

    9         16 10     14     11  
2     10 13 14         15     12   16
8       9   6   11 16 7         15
        7 15   11 6 9         2  
        8 11 16   15     13 9   1  
  10     2 5 3                 6
              14   3   1        
  15 14     13         11 10   2 8  
  13 2   1 3         8     4 10  
        4   14   1              
1                 15 10 9     16  
  4   14 11     10   2 3 16        
  1         11 6 13   9 7        
15         4 10 2   6   11       14
14   4     7         16 15 12     11
  11     14     9 3         10    
Showing puzzle number: 5288
Puzzletype: Symmetrical Sudoku
Startnumbers: 94
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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