Langer's Sudoku Assistant

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

 

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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