Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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