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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.

1065346 puzzles downloaded.

12   11     5 8   9 15       13 14  
          7     1 5 11   10     16
  1 9             3         4 5
    2   15 3         16 10 11      
        4 9       6   13       14
        1 2   15 8     16       7
1 5       12       7   15 13 11    
9 6   8 7           1     16   4
4   6     1           5 8   3 12
    7 3 13   4       12       16 15
13       5     3 2   14 9        
8       2   12       10 11        
      5 12 15         6 3   14    
3 8         1             7 9  
7     14   16 10 11     4          
  13 12       2 14   11 8     3   10
Showing puzzle number: 1341
Puzzletype: Symmetrical Sudoku
Startnumbers: 100
Difficulty: Super easy (0)
Solution methods: SiSo
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