Langer's Sudoku Assistant

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