Langer's Sudoku Assistant

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