Take four strides ahead in this sequence: left, right, left, right.
Advance forward by four steps, starting with the left foot and alternating right, left, right.
Move ahead by four steps, following the pattern: left, right, left, right.
Step forward four times, stepping first on the left, then right, left, and right again.
Proceed forward with a quartet of steps in this order: left, right, left, right.
