Lines of single_doc/关于残局难度.md from check-in e373540ef5 that are changed by the sequence of edits moving toward check-in b98c2ea5da:
1: % 关于残局难度
2:
e373540ef5 2023-07-06 3: 主动找适合自己水平的残局即可。
1: % 关于残局难度
2:
e373540ef5 2023-07-06 3: 主动找适合自己水平的残局即可。