Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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