Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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