Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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