4个平码的算法简介：Time passed, and three hours passed in the blink of an eye. The valley was still quiet, and no outsiders came. Except for two handymen who came out to relieve themselves, there was nothing unusual.
Time passed, and three hours passed in the blink of an eye. The valley was still quiet, and no outsiders came. Except for two handymen who came out to relieve themselves, there was nothing unusual.
