Scheme

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="100"
    height="100"
    viewBox="0 0 341.217 341.217"
>
    <path
        d="M315.771 275.042h-15.147v-18.86c0-15.202-12.368-27.57-27.571-27.57H179.61v-17.266c54.178-4.583 96.866-50.136 96.866-105.48C276.475 47.491 228.983 0 170.608 0S64.742 47.491 64.742 105.866c0 55.343 42.688 100.896 96.866 105.48v17.266H68.165c-15.203 0-27.571 12.368-27.571 27.57v18.86H25.446a9 9 0 0 0-9 9v48.175a9 9 0 0 0 9 9h48.296a9 9 0 0 0 9-9v-48.175a9 9 0 0 0-9-9H58.594v-18.86c0-5.277 4.294-9.57 9.571-9.57h93.443v28.43H146.46a9 9 0 0 0-9 9v48.175a9 9 0 0 0 9 9h48.297a9 9 0 0 0 9-9v-48.175a9 9 0 0 0-9-9h-15.148v-28.43h93.443c5.277 0 9.571 4.293 9.571 9.57v18.86h-15.148a9 9 0 0 0-9 9v48.175a9 9 0 0 0 9 9h48.296a9 9 0 0 0 9-9v-48.175a9 9 0 0 0-9-9zm-251.029 18v30.175H34.446v-30.175h30.296zm121.015 0v30.175H155.46v-30.175h30.297zm-15.149-99.31c-48.449 0-87.866-39.417-87.866-87.866S122.159 18 170.608 18s87.866 39.417 87.866 87.866c0 48.45-39.417 87.866-87.866 87.866zm136.163 129.485h-30.296v-30.175h30.296v30.175z"
    />
    <path
        d="M170.609 30.293c-41.671 0-75.573 33.902-75.573 75.573 0 41.671 33.902 75.573 75.573 75.573 41.671 0 75.573-33.902 75.573-75.573 0-41.671-33.902-75.573-75.573-75.573zm8.999 132.438v-1.241a9 9 0 0 0-9-9 9 9 0 0 0-9 9v1.241c-24.552-3.872-43.993-23.313-47.865-47.865h1.242a9 9 0 0 0 9-9 9 9 0 0 0-9-9h-1.242c3.871-24.552 23.313-43.993 47.865-47.865v1.241a9 9 0 0 0 9 9 9 9 0 0 0 9-9v-1.241c24.552 3.871 43.994 23.313 47.865 47.865h-1.242a9 9 0 0 0-9 9 9 9 0 0 0 9 9h1.242c-3.871 24.552-23.313 43.994-47.865 47.865z"
    />
    <path
        d="M197.058 102.78h-17.45V74.012a9 9 0 0 0-9-9 9 9 0 0 0-9 9v37.768a9 9 0 0 0 9 9h26.45a9 9 0 0 0 9-9 9 9 0 0 0-9-9z"
    />
</svg>