`S_(1)` : Miss Sullivan brought Helen Keller a doll.
`S_(6)` : Her hear was filled with pleasure and pride.
P : After some efforts, she succeeded in making the latters correctly.
Q : When she had played with it for some time, miss Sullivan spelt into her hadn the latters doll.
R : The child's attention was arrested by the gentle movement of the finger on her hand.
S : She tired to imitate the finger's motion.
The proper squence should be