Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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