ref: b155e59ffa627cb735abeae927fd88c5e06ec67e dir: /data/maps/headers/Route22.asm/
map_header Route22, ROUTE_22, OVERWORLD, NORTH | EAST connection north, Route23, ROUTE_23, 0 connection east, ViridianCity, VIRIDIAN_CITY, -4 end_map_header