Langer's Sudoku Assistant

Invalid Sudoku!

Column 2 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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