C32133223331333131133132212111133133313331322312312232123121121   >>    C3213322333133313113313221211113313331333132231231223212312112   <<    C32133223331333131133132212111133133313331322312312232123121123   >>      C32133223331333131133132212111133133313331322312312232123121122   >>