Help $me$ with this please :

Create and apply a numbered ACL that allows SSH and SFTP access to the

server only from $10\mathrm{.}216\mathrm{.}45\mathrm{.}33$ and $192\mathrm{.}168\mathrm{.}192\mathrm{.}0/19,$ denying other traffic. Show

any calculations and explain the purpose of each configuration command.