https://blog.wongcw.com/2022/06/01/%e5%94%ae%e5%83%b940%e7%be%8e%e5%85%83%e7%9a%84%e3%80%8aopen-circuits%e3%80%8b%e6%96%b0%e6%9b%b8%e5%b8%b6%e4%bd%a0%e9%a0%98%e7%95%a5%e9%9b%bb%e5%ad%90%e5%99%a8%e4%bb%b6%e7%9a%84%e5%88%a5%e6%a8%a3/