Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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