Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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