C312312111133131121333133313113313331333133313331333133313331333133311323111   >>    C31231211113313112133313331311331333133313331333133313331333133313331132311   <<    C312312111133131121333133313113313331333133313331333133313331333133311323113   >>      C312312111133131121333133313113313331333133313331333133313331333133311323112   >>