Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 2 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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