Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 5 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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