<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 22 22" width="22" height="22"><path fill="currentColor" d="M15 1v1h2v1h1v1h1v1h1v2h1v8h-1v2h-1v1h-1v1h-1v1h-2v1H7v-1H5v-1H4v-1H3v-1H2v-2H1V7h1V5h1V4h1V3h1V2h2V1zM6 6v7h1v2h1v1h2v-1h2v1h2v-1h1v-2h1V6h-2v6h-1v1h-1V8h-2v5H9v-1H8V6z"/></svg>