I was traveling alone, so I made use of the single rider queue if available. Saves a lot of time! Check out the crowd calendar first and adjust your admission date to lesser crowded days, if possible. It's pretty accurate.
Traveloka Sdn Bhd (Registration No. 201501003122), Level 14 Tower 2, Menara Kembar Bank Rakyat, 33 Jalan Rakyat Brickfields, 50470 Kuala Lumpur, Malaysia