Langer's Sudoku Assistant

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

 

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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