Langer's Sudoku Assistant

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

 

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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