Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 5 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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