ref: 710c3275fc6a4caeeff3ad89c029a05984cf8388 dir: /data/mapHeaders/Route20.asm/
map_header Route20, ROUTE_20, OVERWORLD, WEST | EAST connection west, CinnabarIsland, CINNABAR_ISLAND, 0 connection east, Route19, ROUTE_19, -18 end_map_header