/academics/curriculum/3-junior/2-spring/%E5%8D%9A%E5%BC%88%E8%AE%BA/11-lesson-10-signaling-applications-and-refinements/ to /academics/curriculum/3-junior/2-spring/%E5%8D%9A%E5%BC%88%E8%AE%BA/02-lessons/11-lesson-10-signaling-applications-and-refinements