Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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