I counted 9 on one side.
Well, they are in order of theur becoming states, beginning with the first 13. Continuing around the memorial on the lower level, or frieze, then as rhe rest of the states were added on the upper frieze, save the last two; Alasja and Hawaii, which are located on a bronze plaque on the lower plaza.
They are the state's that were part if the US when he was President.
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