ref: 7bcb4b19c77eee2b8d2c3e769d25e7e4d7d028a7 dir: /data/maps/headers/Route18.asm/
map_header Route18, ROUTE_18, OVERWORLD, NORTH | EAST connection north, Route17, ROUTE_17, 0 connection east, FuchsiaCity, FUCHSIA_CITY, -4 end_map_header