ref: e88eebbc4dc7160b00f1af0008bc4b8bb5ef9aee 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