ref: 9c93fb0b7559e9d657a91d2b508ecebe58eee544
dir: /data/maps/headers/Route23.asm/
map_header Route23, ROUTE_23, PLATEAU, NORTH | SOUTH connection north, IndigoPlateau, INDIGO_PLATEAU, 0 connection south, Route22, ROUTE_22, 0 ; unnecessary end_map_header