--- Day 12: Passage Pathing --- Part 1: ... Part 2: ... Change input YW-end DK-la la-XG end-gy zq-ci XG-gz TF-la xm-la gy-gz ci-start YW-ci TF-zq ci-DK la-TS zq-YW gz-YW zq-gz end-gz ci-TF DK-zq gy-YW start-DK gz-DK zq-la start-TF