Langer's Sudoku Assistant

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

 

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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