Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 8 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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