C3213322333133313113313221211113313331333133313112212132123222331221   >>    C321332233313331311331322121111331333133313331311221213212322233122   <<    C3213322333133313113313221211113313331333133313112212132123222331223   >>      C3213322333133313113313221211113313331333133313112212132123222331222   >>