C3213322333133313113313221211113313331333133313121121123231131331   >>    C321332233313331311331322121111331333133313331312112112323113133   <<    C3213322333133313113313221211113313331333133313121121123231131333   >>      C3213322333133313113313221211113313331333133313121121123231131332   >>