Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 8 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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