C1616 Practice

By noon, the students who ran 20 laps ran out one after another.

Only Zhou Changgong, Kong Lin, Yun Ya and Shui Wuye, the four weirdos, had to run two hundred laps, so they did not finish running for the whole afternoon. They simply ran until the night.

Of course, the later they ran, the slower their speed became. They ran at full speed