Langer's Sudoku Assistant

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

 

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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