ref: 70eac3a1f7a27d5b71b968708f423dbbff6b146c dir: /data/maps/headers/Route16.asm/
map_header Route16, ROUTE_16, OVERWORLD, SOUTH | EAST connection south, Route17, ROUTE_17, 0 connection east, CeladonCity, CELADON_CITY, -4 end_map_header