C32133223331333131133132212111133133313331311212323121123331221   >>    C3213322333133313113313221211113313331333131121232312112333122   <<    C32133223331333131133132212111133133313331311212323121123331223   >>      C32133223331333131133132212111133133313331311212323121123331222   >>