Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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