Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 9 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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