Langer's Sudoku Assistant

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