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.

 

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

 

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