C312312111133131121333133313113313331333133313331333133313331333133313132113231   >>    C31231211113313112133313331311331333133313331333133313331333133313331313211323   <<    C312312111133131121333133313113313331333133313331333133313331333133313132113233   >>      C312312111133131121333133313113313331333133313331333133313331333133313132113232   >>