C312312111133131121333133313113313331333133313331333133313331333133311211112111   >>    C31231211113313112133313331311331333133313331333133313331333133313331121111211   <<    C312312111133131121333133313113313331333133313331333133313331333133311211112113   >>      C312312111133131121333133313113313331333133313331333133313331333133311211112112   >>