ref: f9ae7b1240863b4311d24944ae7ec3c1d9b24507
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