Langer's Sudoku Assistant

Invalid Sudoku!

Column 1 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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