Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 1 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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