45 divided by 2 is equal to more than 22 1, that is to say, the signal light * * lights up 22 times in the order of red light, yellow light, green light and yellow light, and then lights up 1 time. So the number of times each lamp lights up is as follows:
Red: 22 × 1+ 1 = 23 (times)
Huang: 22×1+22×1+1= 45 (times)
Green: 22× 1=22 (times)