Going through via the Pico-8 cart now, and with what I've learned along the way, I just got the best solution for "Hallways" 😂` 2 lines of code
Spoiler:
ST: FRS FENS JMP ST
ha, yep. There are much more efficient solutions in the early levels with the new command. Someone actually programmed a solution finder that brute force searches using a single loop and variations of the secret(ish) instruction.
