Here's the insertion algorithm in Python. Step through the code and watch each line execute on the tree:
Раскрыты подробности о договорных матчах в российском футболе18:01
，更多细节参见51吃瓜
나경원 “당이 제대로 싸우지 못하는 현실 참담”
Раскрыты подробности о договорных матчах в российском футболе18:01
Nearly a million 16-24 year-olds not working or in education