Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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