Langer's Sudoku Assistant

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

 

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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