C312322331333132212111133133313331333131133113313331333131113123121   >>    C31232233133313221211113313331333133313113311331333133313111312312   <<    C312322331333132212111133133313331333131133113313331333131113123123   >>      C312322331333132212111133133313331333131133113313331333131113123122   >>