Langer's Sudoku Assistant

Invalid Sudoku!

Column 2 is invalid. The top left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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