ref: bbf2f51a02b2544f1bef32a5868503b474ae2fef
dir: /data/maps/headers/Route6.asm/
map_header Route6, ROUTE_6, OVERWORLD, NORTH | SOUTH connection north, SaffronCity, SAFFRON_CITY, -5 connection south, VermilionCity, VERMILION_CITY, -5 end_map_header