Using the concept of flow in a transport network, construct a directed multigraph G = (V, E), with V = {u, v, w, x, y} and id(u) = 1, od(u) = 3; id(v) = 3, od(v) = 3; id(w) = 3, od(w) = 4; id(x) = 5, od(x) = 4; and id(y) = 4, od(y) = 2.