Langer's Sudoku Assistant

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

 

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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