ref: b3364f9f8819a87f562ca612199aaa0d4da7fcee dir: /data/maps/headers/Route22.asm/
map_header Route22, ROUTE_22, OVERWORLD, NORTH | EAST connection north, Route23, ROUTE_23, 0 ; unused connection east, ViridianCity, VIRIDIAN_CITY, -4 end_map_header