C32133223331333131133132212111133133313331323323123321332222121   >>    C3213322333133313113313221211113313331333132332312332133222212   <<    C32133223331333131133132212111133133313331323323123321332222123   >>      C32133223331333131133132212111133133313331323323123321332222122   >>