ref: a448ac897d5480bba4b40b4be8a4bfe5a5c31be7
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