Advance seven paces, stepping in the sequence: left, right, left, right, left, right, left.
Take seven strides ahead, following the pattern: left, right, left, right, left, right, left.
Move forward seven steps, alternating feet as: left, right, left, right, left, right, left.
Proceed with seven forward steps, in the order of: left, right, left, right, left, right, left.
Step onward seven times, stepping left first and then right alternately, ending on left.
