Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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