Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 4 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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