C312312111133131121333133313113313331333133313331333133313331311331322331311   >>    C31231211113313112133313331311331333133313331333133313331333131133132233131   <<    C312312111133131121333133313113313331333133313331333133313331311331322331313   >>      C312312111133131121333133313113313331333133313331333133313331311331322331312   >>