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.

 

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

 

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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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