https://blog.wongcw.com/2020/11/20/%e9%81%8e%e6%96%bc%e9%97%9c%e6%b3%a83d-nand%e9%96%83%e5%ad%98%e5%b1%a4%e6%95%b8%e5%8f%af%e8%83%bd%e6%98%af%e4%b8%80%e7%a8%ae%e8%aa%a4%e5%b0%8e/