Langer's Sudoku Assistant

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