Langer's Sudoku Assistant

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

 

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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