Starts another try at a concept right after a session with misses, again from memory. Each try points back at the first one. Only allowed after the last try ended with misses, and at most MAX_TRIES tries in all. Returns the new session's id.
Starts another try at a concept right after a session with misses, again from memory. Each try points back at the first one. Only allowed after the last try ended with misses, and at most MAX_TRIES tries in all. Returns the new session's id.