C312312111133131121333133313113313331333133313331333133313331311132311   >>    C31231211113313112133313331311331333133313331333133313331333131113231   <<    C312312111133131121333133313113313331333133313331333133313331311132313   >>      C312312111133131121333133313113313331333133313331333133313331311132312   >>