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.

 

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

 

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