Langer's Sudoku Assistant

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