Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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