Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 6 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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