Langer's Sudoku Assistant

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

 

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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