Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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