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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.

  3     15   16   11 9 7 13   6   4
10           6 1         9 16    
  16           13           3 1 11
  6     5   10       1 4       8
          12 15                  
          10   7 4     5 2      
14 7 8 13     4   9   16 15   10   5
      2 3   5       11 1 8 13 7  
  14 6 15 10 5       4   7 11      
2   9   6 14   15   3     13 1 12 7
      8 2     4 10   6          
                  2 9          
3       4 8       14   10     15  
12 2 10           8           6  
    14 6         3 1           13
13   11   9 15 14 3   6   12     4  
Showing puzzle number: 161
Puzzletype: Symmetrical Sudoku
Startnumbers: 100
Difficulty: Very easy (0)
Solution methods: SiSo SC
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