Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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