Sentence 1: The ports of Massachusetts alone employed an average of 183 vessels in northern fisheries between 1771 and 1775 and 121 in the southern .
Sentence 2: Between 1771 and 1775 the Massachusetts ports alone employed an average of 183 vessels in the northern fishery , and 121 in the southern .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?