C3213322333133313113313221211113313331333133313121121123321332121   >>    C321332233313331311331322121111331333133313331312112112332133212   <<    C3213322333133313113313221211113313331333133313121121123321332123   >>      C3213322333133313113313221211113313331333133313121121123321332122   >>