Langer's Sudoku Assistant

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

 

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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