Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 3 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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