1) the landing aircraft is at the bottom of the bay, the lining up behind a/c is immediately above it.
2) the inset (first to go) departure is at the bottom, the full length above it.
Reasoning is that the aircraft which is next to use the runway is always at the bottom of the bay, or at least, below any other strip.
EFS, NZWN, been using E strips for a few years.