Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 6 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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