Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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