Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 2 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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