Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 8 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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