Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 2 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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