Langer's Sudoku Assistant

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

 

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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