C3213322333133313113313221211113313331333133313121121123212212311331   >>    C321332233313331311331322121111331333133313331312112112321221231133   <<    C3213322333133313113313221211113313331333133313121121123212212311333   >>      C3213322333133313113313221211113313331333133313121121123212212311332   >>