h(    ˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1˸+˸+N1N1