Langer's Sudoku Assistant

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

 

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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