https://youtu.be/mZILRPjsaew?si=Cmec-Fm7_bc-RLz3
總共包數：Bal b/f 4+4=8 Bal c/f
https://tw.news.yahoo.com/%E6%97%A5%E8%AD%A6%E8%A6%96%E5%BB%B3%E7%9B%AF%E4%B8%8A%E5%8F%B0%E7%81%A3%E4%BA%BA-%E5%8F%B0%E4%BA%
總共包數：Bal b/f 8+2=10 Bal c/f