Langer's Sudoku Assistant

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