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.

 

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