Langer's Sudoku Assistant

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

 

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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