Langer's Sudoku Assistant

Invalid Sudoku!

Column 7 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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