The sentence IMHO is not long enough as he will out in 9 months. The experience of a couple of days at MCTC and a rule 42 prisoner at a HMP probably Colchester will be an experience like no other he has ever experienced His life as he knew it is now over.
One hopes the lady who is the victim here is fully supported by her peers and CoC, now the case is over and in the future to help her recover.