Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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