Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

8
2
5
9
4
7
3
6
1
3
6
7
3
6
9
5
1
8
9
4
9
4
1
      3
      6
    
      3
      6
    
      3
       
    
5
2
7
2
5
9
7
5
6
4
1
3
4
7
3
6
9
2
1
3
5
8
6
      3
      6
       
1
5
4
8
5
2
7
9
5
3
8
1
7
2
6
9
4
1
4
2
6
3
6
9
9
7
3
8
7
9
6
      3
    
    
      3
       
    
      3
    
    
1
5
2

 

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