<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32" fill="currentColor"><path fill="currentColor" d="M15 6h13v2H15zm0 18h13v2H15zM4 15h13v2H4zm3-4a4 4 0 1 1 4-4a4 4 0 0 1-4 4m0-6a2 2 0 1 0 2 2a2 2 0 0 0-2-2m0 24a4 4 0 1 1 4-4a4 4 0 0 1-4 4m0-6a2 2 0 1 0 2 2a2 2 0 0 0-2-2m18-3a4 4 0 1 1 4-4a4 4 0 0 1-4 4m0-6a2 2 0 1 0 2 2a2 2 0 0 0-2-2"/></svg>