ref: 865d37e02ad6af386e7f596659ebec12266be3ce
dir: /data/maps/headers/CeruleanCity.asm/
map_header CeruleanCity, CERULEAN_CITY, OVERWORLD, NORTH | SOUTH | WEST | EAST connection north, Route24, ROUTE_24, 5 connection south, Route5, ROUTE_5, 5 connection west, Route4, ROUTE_4, 4 connection east, Route9, ROUTE_9, 4 end_map_header