ref: a66adbcc5c63d133c68bb7a758e8920fde6de2ff 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