Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 5 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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