ref: bb76c06120bcd1fc0f86bd3cc96cbbde93c0c80c dir: /data/maps/headers/Route4.asm/
map_header Route4, ROUTE_4, OVERWORLD, SOUTH | EAST connection south, Route3, ROUTE_3, -25 connection east, CeruleanCity, CERULEAN_CITY, -4 end_map_header