Crab crawl: a four-step move following the sequence left, right, left, and right.
Perform the crab walk in four steps, stepping left, then right, left again, and finally right.
Execute the crab walk with four steps arranged as left, right, left, right.
The crab walk consists of four steps taken in this order: left, right, left, right.
Take four steps for the crab walk, alternating left and right in the pattern left, right, left, right.
