Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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