C312312111133131121333133313113313331333133313331333133313331311331323113321   >>    C31231211113313112133313331311331333133313331333133313331333131133132311332   <<    C312312111133131121333133313113313331333133313331333133313331311331323113323   >>      C312312111133131121333133313113313331333133313331333133313331311331323113322   >>