Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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