Langer's Sudoku Assistant

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