Sharayk bin 'Abdullah شريك بن عبد الله النخعي · Chapters on Seeking Permission

"The Messenger of Allah (ﷺ) was sitting in the Masjid and the people were with him when three people came. Two of them came near the Messenger of Allah (ﷺ) and one went away. When the two stopped at the Messenger of Allah (ﷺ) the said the Salam. One of them saw an opening in the circle so he sat there. As for the other one, he sat behind them, and the other one went way in the rear. When…

"When we went to the Prophet (ﷺ), each of us would sit wherever he wound up at."