Advance by taking three steps: starting with the left, then the right, and finishing with the left again.
Move forward through a sequence of three steps: left foot, right foot, left foot.
Progress ahead in three strides—left, right, left—in that exact order.
Take a trio of steps forward, beginning left, then right, and left once more.
Step onward with a pattern of three: left, right, left, leading the way.
