Langer's Sudoku Assistant

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

 

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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