Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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