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.

 

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

 

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