https://blog.wongcw.com/2021/08/11/counterpoint%e6%95%b8%e6%93%9a%e9%a1%af%e7%a4%ba%e4%b8%ad%e5%9c%8b%e6%89%8b%e6%a9%9f%e5%b8%82%e5%a0%b4%e5%89%b5%e4%b8%8b2012%e5%b9%b4%e4%bb%a5%e4%be%86%e6%9c%80%e4%bd%8e%e5%ad%a3%e5%ba%a6%e9%8a%b7/