Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 4 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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