Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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