Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 3 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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