Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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