Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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