Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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