Descend the three-step stool, stepping left, then right, then left again.
Make your way down the step stool with three steps: left foot first, right foot next, and left foot last.
Step down from the stool in a sequence of three: start left, follow with right, finish left.
Navigate the trio of steps downward, placing left, right, then left foot in order.
Climb down the three-step stool by stepping left, right, and left in that exact order.
