Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 6 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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