Sentence 1: The original version of the work was probably composed in the 15th century , while it bears traces of the later transformation that may belong to the 13th or 14th century .
Sentence 2: The original version of the work was probably composed in 13th or 14th century , while it bears traces of later remodeling that may belong to the 15th century .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?