Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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