Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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