Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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