Langer's Sudoku Assistant

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