Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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