Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 4 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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