C32133223331333131133132212111133133313331323223332322232333211   >>    C3213322333133313113313221211113313331333132322333232223233321   <<    C32133223331333131133132212111133133313331323223332322232333213   >>      C32133223331333131133132212111133133313331323223332322232333212   >>