Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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