Langer's Sudoku Assistant

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

 

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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