C312312111133113313231333133313331333133313331333133313113313331311331311331   >>    C31231211113311331323133313331333133313331333133313331311331333131133131133   <<    C312312111133113313231333133313331333133313331333133313113313331311331311333   >>      C312312111133113313231333133313331333133313331333133313113313331311331311332   >>