Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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