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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.

4   11 2   10           8       6
        12 1 6   15 2       7 11  
    3     8   9 16 12   14 10     4
          15 16         11   8   9
  2   10           13     4      
    9 14   13   1   11     6 2    
13 11                   4   3    
12 5     16   14               10 1
5 9               15   1     3 7
    13   9                   6 2
    12 1     10   4   7   14 5    
      6     1           12   4  
6   2   8         16 3          
9     11 5   7 16 10   2     14    
  13 8       11 4   14 1 15        
7       1           13   2 16   11
Showing puzzle number: 2906
Puzzletype: Symmetrical Sudoku
Startnumbers: 94
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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