Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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