If you make it so that they connect the entrance and exit in different zones criss-cross, that would be good, meaning instead of 4 one-way connections, there will be 2 pairs of two-way connections.
Actually, it's not that great. A monolith at the exit will lead to a monolith at the entrance in the middle of nowhere: a boundless underground, a swamp, sand, there are plenty of options.
484800548