Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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