Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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