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1 IntroductionCyclaceneshavingidenticalperipheralcircuitsconstituteasubclassofcorannu leneswhichnormallypossessnon identicalinnerandouterperipheralcircuits[1 ].Dur ingthelastcoupleofdecades ,manysci entistspaidmuchaffentiontocy clacenes[1~ 1 1 ].Theoretic