Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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