Langer's Sudoku Assistant

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

 

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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