Langer's Sudoku Assistant

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

 

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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