Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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