Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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