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.

 

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

 

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