Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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