Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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