A person turns back over their right shoulder and walks forward, then turns over the left shoulder and walks again, stands idle, and repeats the sequence multiple times.

Timeline of actions:
A person facing forward turns back over their right shoulder and starts to walk.
A person is walking forward at a steady pace.
A person facing forward turns back over their left shoulder and starts walking forward steadily.
A person is walking forward steadily, then stops and stands facing forward.
A person is standing facing forward.
A person facing forward turns back over their right shoulder and starts to walk.
A person is walking forward at a steady pace.
A person facing forward turns back over their left shoulder and starts walking forward steadily.
A person is walking forward steadily, then stops and stands facing forward.
A person standing idle, facing forward, turns back over their right shoulder and starts to walk.
A person facing forward turns back over their left shoulder and starts walking forward steadily.
A person is walking forward steadily, then stops and stands facing forward.
A person is standing facing forward.
A person facing forward turns back over their right shoulder and starts to walk.
A person is walking forward at a steady pace.
A person facing forward turns back over their left shoulder and starts walking forward steadily.
A person is walking forward steadily, then stops and stands facing forward.
A person is standing facing forward.
A person facing forward turns back over their right shoulder and starts to walk.
A person is walking forward at a steady pace.
A person facing forward turns back over their left shoulder and starts walking forward steadily.
A person is walking forward steadily, then stops and stands facing forward.
A person facing forward turns back over their right shoulder and starts to walk.
A person facing forward turns back over their left shoulder and starts walking forward steadily.
A person is walking forward steadily, then stops and stands facing forward.
A person is standing facing forward.
A person facing forward turns back over their right shoulder and starts to walk.
A person is walking forward at a steady pace.
A person facing forward turns back over their left shoulder and starts walking forward steadily.
A person stops walking and stands facing forward.
A person facing forward turns back over their right shoulder and starts to walk.
A person is walking forward at a steady pace.
A person facing forward turns back over their left shoulder and starts walking forward steadily.
A person is walking forward steadily, then stops and stands facing forward.
A person is standing facing forward.
A person facing forward turns back over their right shoulder and starts to walk.
A person is walking forward, then turns back over their left shoulder and starts to walk.
A person walking forward stops walking and stands facing forward.
A person is standing facing forward.
A person facing forward turns back over their right shoulder and starts to walk.
A person is walking forward.
A person facing forward turns back over their left shoulder and starts walking forward.
A person is walking forward, then stops and stands facing forward.
A person is standing facing forward.
A person facing forward turns back over their right shoulder and starts to walk forward.
A person is walking forward steadily.
A person facing forward turns back over their left shoulder and starts walking forward.
A person walking forward stops walking and stands facing forward.
A person is standing facing forward.
A person facing forward turns back over their right shoulder and starts walking.
A person is walking forward steadily.
A person facing forward turns back over their left shoulder and starts walking forward in the backward direction.
A person walking forward stops walking and stands facing forward.
A person is standing facing forward.