https://blog.gongquiz.com/2022/06/05/%ed%8c%a8%eb%a6%ac%ed%8b%b0-%eb%b9%84%ed%8a%b8parity-bit%eb%a5%bc-%eb%b6%80%ea%b0%80%ed%95%98%ec%97%ac-%ec%82%ac%ec%9a%a9%ed%95%98%ea%b8%b0%ec%97%90-%ea%b0%80%ec%9e%a5-%ec%a0%81%ec%a0%88%ed%95%9c/