C32133223331333131133132212111133133313331311212323121333123321   >>    C3213322333133313113313221211113313331333131121232312133312332   <<    C32133223331333131133132212111133133313331311212323121333123323   >>      C32133223331333131133132212111133133313331311212323121333123322   >>