Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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