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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.

877403 puzzles downloaded.

11 14           5 3   13 7        
  6 9 12         5     11        
      3     14 8   1       5 15 16
    13 16 6 9 12     4 10 15   11    
  12 4 11       7 8   3     10    
6 7           10     16 5     14  
15               11     1 12 13    
  2   9       1 13   15 10     4 5
4 8     2 10   11 12       7   13  
    2 7 12     16               14
  5     7 3     9           10 8
    6     5   13 10       15 4 16  
    1   10 8 13     2 9 12 14 15    
16 13 10       11   7 15     3      
        16     6         13 12 9  
        3 1   14 6           7 10
Showing puzzle number: 2611
Puzzletype: Symmetrical Sudoku
Startnumbers: 106
Difficulty: Super easy (0)
Solution methods: SiSo
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