Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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