Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 9 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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