Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 8 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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