2 objects, off flight path, rotating, most likely S shape, white lights

2 objects flying northbound and then changing to west bound (L shape flight path).
Objects were farther from one another then closer than back farther; at times flying one next to the other, at times flying one above the other.
Did not look anything like planes or helicopters.
Only white lights (no green or red lights like in planes).
Looked like S-shaped and rotating, unless the S shape is due to the way lights were rotating.
Irregular flying path (not the regular plan path, and the objects looked indecisive at some point until they made a turn towards westbound.