Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 4 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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