Langer's Sudoku Assistant

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

 

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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