Litmus

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="682.667"
    height="682.667"
    viewBox="0 0 682.667 682.667"
>
    <defs>
        <clipPath id="a" clipPathUnits="userSpaceOnUse">
            <path d="M0 512h512V0H0Z" />
        </clipPath>
    </defs>
    <g clip-path="url(#a)" transform="matrix(1.33333 0 0 -1.33333 0 682.667)">
        <path
            d="M0 0h-312c-22.092 0-40 17.909-40 40v296H40V40C40 17.909 22.092 0 0 0Z"
            transform="translate(412 20)"
            fill="none"
            stroke="#000"
            stroke-width="40"
            stroke-linecap="butt"
            stroke-linejoin="miter"
            stroke-miterlimit="10"
            stroke-dasharray="none"
            stroke-opacity="1"
        />
        <path
            d="M0 0s51.74 32 104.475 32C157.21 32 218.9-8 287.555-8 356.21-8 398 32 398 32"
            transform="translate(58 121)"
            fill="none"
            stroke="#000"
            stroke-width="40"
            stroke-linecap="butt"
            stroke-linejoin="miter"
            stroke-miterlimit="10"
            stroke-dasharray="none"
            stroke-opacity="1"
        />
        <path
            d="M0 0v353h80V-17"
            transform="translate(216 139)"
            fill="none"
            stroke="#000"
            stroke-width="40"
            stroke-linecap="butt"
            stroke-linejoin="miter"
            stroke-miterlimit="10"
            stroke-dasharray="none"
            stroke-opacity="1"
        />
        <path
            d="M0 0h-80"
            transform="translate(296 249)"
            fill="none"
            stroke="#000"
            stroke-width="40"
            stroke-linecap="butt"
            stroke-linejoin="miter"
            stroke-miterlimit="10"
            stroke-dasharray="none"
            stroke-opacity="1"
        />
    </g>
</svg>