Langer's Sudoku Assistant

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

 

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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