C312312111133131212111133131133133313331311331333131333132232233131   >>    C31231211113313121211113313113313331333131133133313133313223223313   <<    C312312111133131212111133131133133313331311331333131333132232233133   >>      C312312111133131212111133131133133313331311331333131333132232233132   >>