A+N-1A+N-2A+N-3A+N-4A+N-5A+N-6A+N-7A+N-8A+N-9A+N-10A+N-11A+N-12A+N-13A+N-14A+N-15A+N-16A+N-17A+N-18A+N-19A+N-20