After all have qualified the directors first elected shall meet and classify themselves by lot into two classes as nearly equal in number as possible. The term of office of those in the class having the least number shall expire at noon on the last Friday in November of the next even-numbered year after the year in which the meeting is held. The term of office of those in the other class shall expire at noon on the last Friday in November of the second even-numbered year after the year in which the meeting is held.