Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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