Langer's Sudoku Assistant

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

 

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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