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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.

1142754 puzzles downloaded.

  1     9   11   8   4          
  16   8             3   11     5
      3   5   4     10 12        
    11 15   12         14 9       16
    3         6   16 1     7   12
11 7 16 12         14         5 6 13
  10       16     11 6 8       14  
              5 12 2           3
8           5 9 6              
  12       15 1 7     9       5  
14 6 13         16         9 1 8 10
1   4     13 8   16         3    
5       16 3         6   4 8    
        15 1     5   12   16      
2     6   10             13   12  
          7   12   9   8     3  
Showing puzzle number: 1865
Puzzletype: Symmetrical Sudoku
Startnumbers: 90
Difficulty: Easy (0)
Solution methods: SiSo SC SB
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