[pdurrant]

Originally Posted by obs20

Spoiler:

I'd say the THH requires less tosses because as you finish the task of counting for THT the last element of T is already there.

Let me clarify. There is no overlap in the sequences, even when going from one task to the next. When you finish monitoring for THT, you start monitoring for THH starting with the next coin toss, not the last one of THT. (Question edited to clarify this point.)