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.

 

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

 

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