Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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