Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 3 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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