An individual serving as a City Council member or as Mayor shall not serve combined for more than four (4) consecutive two-year terms or eight (8) consecutive years, whichever is less, with no more than three (3) consecutive two-year terms or six (6) consecutive years, whichever is less, in any single position. A gap of one year must exist before such individual may be elected or appointed to the City Council or Mayor for an additional set of consecutive terms or years.