"M11.5 9.5a1 1 0 1 1 1 1 1 1 0 0 1-1-1zm2-4a1 1 0 1 0-1-1 1 1 0 0 0 1 1zm-6 3a1 1 0 1 0-1-1 1 1 0 0 0 1 1zm-2 4a1 1 0 1 0-1-1 1 1 0 0 0 1 1zM16 16v-1H2V1H1v15z"