Langer's Sudoku Assistant

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

 

Start Over

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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