M+T_a-2M+T_a-3M+T_a-4M+T_a-5M+T_a-6M+T_a-7M+T_a-8M+T_a-9M+T_a-9bwM+T_a-10M+T_a-10bwM+T_a-11M+T_a-11bwM+T_a-11wM+T_a-12M+T_a-12bwM+T_a-12wM+T_a-13M+T_a-14M+T_a-14bw