Langer's Sudoku Assistant

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