Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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