C3123121111331312121111331333133313331331121133133313331333131232322121221   >>    C312312111133131212111133133313331333133112113313331333133313123232212122   <<    C3123121111331312121111331333133313331331121133133313331333131232322121223   >>      C3123121111331312121111331333133313331331121133133313331333131232322121222   >>