Langer's Sudoku Assistant

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

 

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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