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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.

2   7       14 4   6     9 13   15
16   8     3     7              
    12   8     2   1 13   7   4  
    11     16     15 9 14 5        
  8 15   1 7 2     5   14       10
    10 5             6       9 7
        3 11   16   7   8 12      
  7         12         15     14  
  10     4         2         13  
      1 6   13   5   9 4        
4 6       2             11 9    
5       9   7     14 15 11   4 2  
        2 5 9 15     1     12    
  15   9   10 8   14     16   3    
              1     2     10   5
8   1 6     3   10 4       11   9
Showing puzzle number: 2894
Puzzletype: Symmetrical Sudoku
Startnumbers: 96
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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