Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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