Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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