Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 6 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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