Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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