Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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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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