Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 6 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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