A方向为主干道，B方向为支干道。分设红（R）、黄(Y)、绿(G)和左拐(L)四盏灯。1表示灯亮，0表示灯灭。四灯的点亮顺序为：绿灯→黄灯→左拐灯→黄灯→红灯，A方向四个时间为55秒（红）、40秒（绿）、5（黄）秒和15（左拐灯）秒；B方向的四个时间为65秒（红）、30秒（绿）、5秒（黄）和15（左拐灯）秒。时间要改变只要改变计数器的预知数即可。-A direction for the main road, B direction of branch roads. Divided red (R), yellow (Y), green (G) and left (L) four lamps. 1 for light, 0 lights off. Four lights lit in the order: light green → yellow → turn left → red → yellow, A direction four times for 55 seconds (red), 40 seconds (green), 5 (yellow) and 15 seconds (left Abduction Lamp) seconds　B direction four times 65 seconds (red), 30 seconds (green), 5 seconds (yellow) and 15 (left light) seconds. Time to change the number as long as you can predict the change counter.