Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 3 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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