C32133223331333131133132212111133133313331311332333233223331333211   >>    C3213322333133313113313221211113313331333131133233323322333133321   <<    C32133223331333131133132212111133133313331311332333233223331333213   >>      C32133223331333131133132212111133133313331311332333233223331333212   >>