Langer's Sudoku Assistant

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

 

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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