C312312111133131212111133131133133313331323223313221333131323331   >>    C31231211113313121211113313113313331333132322331322133313132333   <<    C312312111133131212111133131133133313331323223313221333131323333   >>      C312312111133131212111133131133133313331323223313221333131323332   >>