Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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