Jami` at-Tirmidhi 301
جامع الترمذي#301SahihQabisah bin Hulb narrated that his father said:"When Allah's Messenger would lead us in Salat he would turn (to leave) from both sides, on his right and on his left
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirHasan Sahih
Al-AlbaniHasan Sahih
Bashar Awad MaaroufHasan
Zubair Ali ZaiIsnaad Hasan
In-book reference: 2:153