Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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