C312312111133131121333133313113313331333133313331333133112322233111   >>    C31231211113313112133313331311331333133313331333133313311232223311   <<    C312312111133131121333133313113313331333133313331333133112322233113   >>      C312312111133131121333133313113313331333133313331333133112322233112   >>