You will learn the pattern. The rest will help you develop muscle memory. Each chunk is about one inch long. You will learn that the secret of fast playing is the ability to put many notes on one puff of air. The rest will teach you to wait for the beat to come up.
Most young players play before the beat.
You will develop a relaxed way of breathing through the continued repetitions. All keys each day. This is one of the most difficult exercises in the book. Start by playing in chunks, six notes slurred, moving the flute from a down to up position as you play each measure. Insert a quarter rest between each measure for re-organization.