C31231211113313121211113313331333133313311211331333133313331311331333223311331   >>    C3123121111331312121111331333133313331331121133133313331333131133133322331133   <<    C31231211113313121211113313331333133313311211331333133313331311331333223311333   >>      C31231211113313121211113313331333133313311211331333133313331311331333223311332   >>