Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 6 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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