<svg xmlns="http://www.w3.org/2000/svg" style="enable-background:new 0 0 16 16" viewBox="0 0 16 16"><path d="M15 8.5h-3.2V12H9.2V8.5H6.8V15H4.2V8.5H1v-1h3.2V1h2.5v6.5h2.5V4h2.5v3.5H15v1z"/></svg>