Langer's Sudoku Assistant

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

 

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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