间隔一定时间，第一次一个管亮流动一次(注意每个都要流动一次)，第二次两个管亮流动，依次到8个管亮，之后，第一次最后一个管亮，第二次倒数两个管亮，然后重复整个过程。<<与_crol_的综合应用-A certain time interval, a first movement of a light tube (Note that each should flow once), and the second two tube light flows, followed by the eight tube-liang, after the first possession of the last light, the second countdown two tube light, and then repeat the whole process. < < And the General Application _crol_