A+N-2A+N-3A+N-5A+N-8A+N-9A+N-10A+N-12A+N-13A+N-18A+N-20A+N-22-2A+N-24A+N-26-2A+N-28A+N-30A+N-34A+N-39A+N-40A+N-44A+N-51