Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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