C3123121111331312121111331311331333133313232233132213331313331312321   >>    C312312111133131212111133131133133313331323223313221333131333131232   <<    C3123121111331312121111331311331333133313232233132213331313331312323   >>      C3123121111331312121111331311331333133313232233132213331313331312322   >>