Langer's Sudoku Assistant

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

 

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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