Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 6 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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Take any Sudoku puzzle you are having trouble with -- or any one at all -- and enter the initial values. With each entry the proscribed options are eliminated for you

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