ref: 653b62139d9447b7bdcc116a44ad13f3c1c63f1a dir: /data/maps/headers/Route11.asm/
map_header Route11, ROUTE_11, OVERWORLD, WEST | EAST connection west, VermilionCity, VERMILION_CITY, -4 connection east, Route12, ROUTE_12, -27 end_map_header