ref: 87f24a885d888411d715171d75163bd59a609b41 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