I wouldn't do this in reality due to plant count and jail time.
But if legality wasn't an issue and I only had 4x4 foot print to work with..
4 walls of 60 clones per wall in hanging bags. Drip fed with hydroton as medium.
4 hlg 320xl kits or equal strips welded together at the heat sink to form a square which would be air cooled and hung vertically.
Wacky walls of weed!