Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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