Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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