Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 3 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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