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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.

1110643 puzzles downloaded.

  1 6   7 4 9   15       14      
3             2 16 14 7     12    
2     14   5     12 9     6 8   15
  5       14 15           10   4  
  16   6 4 7                   3
  9 8 13           4 16 14       5
    11       10           15 6   4
        3     5     11 13     10  
  6     10 15     2     16        
13   10 7           3       15    
4       8 2 3           9 10 13  
16                   10 9 5   6  
  10   9           2 15       1  
11   4 5     14 10     1   3     12
    1     11 4 15 6             10
      15       1   11 14 7   5 16  
Showing puzzle number: 1794
Puzzletype: Symmetrical Sudoku
Startnumbers: 96
Difficulty: Very easy (0)
Solution methods: SiSo SC
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