Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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