Notebook Bold Duotone icon

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24"><g fill="currentColor"><path d="M3 8c0-2.828 0-4.243.879-5.121C4.757 2 6.172 2 9 2h6c2.828 0 4.243 0 5.121.879C21 3.757 21 5.172 21 8v8c0 2.828 0 4.243-.879 5.121C19.243 22 17.828 22 15 22H9c-2.828 0-4.243 0-5.121-.879C3 20.243 3 18.828 3 16V8Z" opacity=".5"/><path fill-rule="evenodd" d="M8.75 2.012v20h-1.5v-20h1.5ZM1.25 8A.75.75 0 0 1 2 7.25h2a.75.75 0 0 1 0 1.5H2A.75.75 0 0 1 1.25 8Zm0 4a.75.75 0 0 1 .75-.75h2a.75.75 0 0 1 0 1.5H2a.75.75 0 0 1-.75-.75Zm0 4a.75.75 0 0 1 .75-.75h2a.75.75 0 0 1 0 1.5H2a.75.75 0 0 1-.75-.75Z" clip-rule="evenodd"/><path d="M10.75 6.5a.75.75 0 0 1 .75-.75h5a.75.75 0 0 1 0 1.5h-5a.75.75 0 0 1-.75-.75Zm0 3.5a.75.75 0 0 1 .75-.75h5a.75.75 0 0 1 0 1.5h-5a.75.75 0 0 1-.75-.75Z"/></g></svg>