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1 2 3 4 1 2 3 4 if EstablishFeasibleFlow(): ready = False while not ready: C = FindNegativeCycle() if C == None: ready = True else: delta = MinimalRestCapacity(C) for(u,v) in Edges(C): if ForwardEdge(u,v): flow[(u,v)] = flow[(u,v)] + delta else: flow[(v,u)] = flow[(v,u)] - delta ShowTree(R,RA)