Langer's Sudoku Assistant

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

 

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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