Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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