C312312111133131121333133313113313331333133313331333133112111113331333111   >>    C31231211113313112133313331311331333133313331333133313311211111333133311   <<    C312312111133131121333133313113313331333133313331333133112111113331333113   >>      C312312111133131121333133313113313331333133313331333133112111113331333112   >>