Langer's Sudoku Assistant

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