S+L2-1S+L2-2S+L-1S+L2-3S+L2-4S+L2-5S+L-2S+L-3S+L-4S+L2-6S+L2-7S+L2-8S+L2-9S+L-5S+L-6S+L-7S+L-8S+L-9S+L-10S+L2-10