Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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