Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 3 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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