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.

 

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

 

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