ref: 76b882d9523915ca8ced96e8c5e889ca2728241e dir: /data/maps/headers/Route11.asm/
map_header Route11, ROUTE_11, OVERWORLD, WEST | EAST connection west, VermilionCity, VERMILION_CITY, -4 connection east, Route12, ROUTE_12, -27 end_map_header