Understanding [Lotto Program](https://645.gg/%eb%a1%9c%eb%98%90-1%eb%93%b1-%ed%8c%a8%ed%84%b4-%eb%b6%84%ec%84%9d-%ea%bf%88%ec%9d%98-%eb%8b%b9%ec%b2%a8%ec%9d%84-%ea%b0%80%ea%b9%8c%ec%9d%b4-%eb%8b%a4%ea%b0%80%ec%84%9c%ea%b2%8c-%ed%95%98%eb%8b%a4/) ticket expiration just isn't merely a matter of following the principles
