Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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