Langer's Sudoku Assistant

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