C3213322333133313113313221211113313331333133313121121123222212122331   >>    C321332233313331311331322121111331333133313331312112112322221212233   <<    C3213322333133313113313221211113313331333133313121121123222212122333   >>      C3213322333133313113313221211113313331333133313121121123222212122332   >>