Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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