C312322331333132212111133133313331333131133113313331333232133313112113121   >>    C31232233133313221211113313331333133313113311331333133323213331311211312   <<    C312322331333132212111133133313331333131133113313331333232133313112113123   >>      C312322331333132212111133133313331333131133113313331333232133313112113122   >>