Langer's Sudoku Assistant

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