Langer's Sudoku Assistant

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