Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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