Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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