Langer's Sudoku Assistant

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