C32133223331333131133132212111133133313331311332333233112323321   >>    C3213322333133313113313221211113313331333131133233323311232332   <<    C32133223331333131133132212111133133313331311332333233112323323   >>      C32133223331333131133132212111133133313331311332333233112323322   >>