Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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