Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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