从15级到16级用了611天:
https://tieba.baidu.com/p/7817231181?&share=9105&fr=sharewise&is_video=false&unique=759D0E2CAB048250559E71C887705CB9&st=1704215114&client_type=1&client_version=12.52.3.0&sfc=copy&share_from=post
https://tieba.baidu.com/p/7817231181?&share=9105&fr=sharewise&is_video=false&unique=759D0E2CAB048250559E71C887705CB9&st=1704215114&client_type=1&client_version=12.52.3.0&sfc=copy&share_from=post
