Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 3 is invalid. The middle left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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