Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 2 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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