Langer's Sudoku Assistant

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