Langer's Sudoku Assistant

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

 

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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