Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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