Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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