ref: 21ff7695173821ac333039df4ab1c68c227aea0a dir: /data/maps/headers/Route9.asm/
map_header Route9, ROUTE_9, OVERWORLD, WEST | EAST connection west, CeruleanCity, CERULEAN_CITY, -4 connection east, Route10, ROUTE_10, 0 end_map_header