Langer's Sudoku Assistant

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

 

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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