Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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