(a) In each village operating under Section 5-2-12, the electors of the village shall elect 6 trustees. The term of office of the trustees shall be 4 years and until their successors are elected and have qualified. Trustees elected at the first election for village officers after a village is incorporated, however, shall by lot designate one-half of their number whose terms shall be 2 years and until their successors are elected and have qualified. In all villages having a population of less than 50,000 in which only 3 trustees were elected for a 4 year term in the year 1941, 3 trustees shall be elected for a 4 year term at the regular village election in the year 1943, and thereafter 3 trustees shall be elected in each odd numbered year for a term of 4 years.
     (b) (Blank).