Langer's Sudoku Assistant

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