Langer's Sudoku Assistant

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

 

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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