C32133223331333131133132212111133133313331333131211211233212311321   >>    C3213322333133313113313221211113313331333133313121121123321231132   <<    C32133223331333131133132212111133133313331333131211211233212311323   >>      C32133223331333131133132212111133133313331333131211211233212311322   >>