S1 : For sometime in his youth, Abraham Lincoln was manager for a shop.
S6 : Never before Lincoln had so much time for reading as had then.
P : Then a chance customer would come.
Q : Young Lincoln's way to keeping shop was entirely unlike anyone else's.
R : Lincoln would jump up and attend to this needs and then revert to his reading .
S : He used to lay full lenghth on the counter of the shop eagerly reading a book.
The proper sequence should be