RB_CH01_Q034. Three poles 64 rings

In front of you are three poles. One pole is stacked with 64 rings ranging in weight from one ounce (at the top) to 64 ounces (at the bottom). Your task is to move all the rings to one of the other two poles so that they end up in the same order. The rules are that you can move only one ring at a time, and you cannot ever temporarily place a ring on top of a lighter one, and cannot use any container other than a pole or the top of a lighter ring. What is the minimum number of moves you need to make to achieve the task?