Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 1 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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