Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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