Langer's Sudoku Assistant

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

 

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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