Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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