C32133223331333131133132212111133133313331311113313222222213232321   >>    C3213322333133313113313221211113313331333131111331322222221323232   <<    C32133223331333131133132212111133133313331311113313222222213232323   >>      C32133223331333131133132212111133133313331311113313222222213232322   >>