https://blog.gongquiz.com/2022/05/14/%ec%a0%9c%eb%84%a4%ec%8b%9c%ec%8a%a4-g80-%ec%8b%9c%ec%8a%b9%ea%b8%b0-1%eb%b6%80-%ec%a0%9c%eb%84%a4%ec%8b%9c%ec%8a%a4vs%ec%a0%9c%eb%84%a4%ec%8b%9c%ec%8a%a4-%eb%ac%b4%ec%97%87%ec%9d%b4-%eb%b0%94-2/