Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 2 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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