Here's the insertion algorithm in Python. Step through the code and watch each line execute on the tree:
Военный самолет с грузом денег рухнул на шоссе в БоливииUnitel: Военный самолет, набитый деньгами, разбился в Боливии
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In a statement, Lovell's family said: "We will miss his unshakeable optimism, his sense of humor, and the way he made each of us feel we could do the impossible. He was truly one of a kind."