The Event - 56:41 Those who are on the left side will be on the left side.
Those on the left side:
The Event/56:41 Those who are on the left side will be on the left side.

The Sure Truth/69:25 "As for those who were given the Book on their left, they say: "If only my Book had not been given to me","
The Sure Truth/69:26 If only I had not learned what my reckoning is.

The Letter Qaf/50:17 On his right and on his left sit two receiving angels, recording.