Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 4 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

Start Over

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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