ref: 229126d940f3763294f9ad4e0d48b83d4996c6bc dir: /data/maps/headers/Route4.asm/
map_header Route4, ROUTE_4, OVERWORLD, SOUTH | EAST connection south, Route3, ROUTE_3, -25 connection east, CeruleanCity, CERULEAN_CITY, -4 end_map_header