going left to right, starting from IWNW: a canal from the ocean to a lake, another canal from the lake to a city center, PANAMA CANAL CONNECTING A CITY CENTER TO A NATURAL WONDER, and a final canal connecting the natural wonder to a city center BACK TO THE OCEAN!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!