Langer's Sudoku Assistant

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

 

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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