Langer's Sudoku Assistant

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