Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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