C312322331333132212111133133313331333133312121111331323331313123121   >>    C31232233133313221211113313331333133313331212111133132333131312312   <<    C312322331333132212111133133313331333133312121111331323331313123123   >>      C312322331333132212111133133313331333133312121111331323331313123122   >>