Sentence 1: The first two parts were directed by Cheung Ying and Choi Cheung , while the next two parts were directed by Yeung Kungleung .
Sentence 2: The next two parts were directed by Cheung Ying and Choi Cheung while the first two parts were directed by Yeung Kung-leung .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?