Dartboard

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 512 512"
>
    <circle
        cx="256"
        cy="256"
        r="45"
        fill="none"
        stroke="#000"
        stroke-width="30"
        stroke-miterlimit="10"
    />
    <path
        d="M398 61.257C358.176 32.168 309.093 15 256 15 122.899 15 15 122.899 15 256s107.899 241 241 241 241-107.899 241-241c0-53.543-17.461-103.009-47-143.012M256 256l128-128"
        fill="none"
        stroke="#000"
        stroke-width="30"
        stroke-miterlimit="10"
    />
    <path
        d="m450.211 61.789-7.071-39.598-.708-.707-63.639 63.64 7.778 40.305 40.305 7.778 63.64-63.64-.707-.707z"
        fill="none"
        stroke="#000"
        stroke-width="30"
        stroke-miterlimit="10"
    />
    <circle
        cx="256"
        cy="256"
        r="121"
        fill="none"
        stroke="#000"
        stroke-width="30"
        stroke-miterlimit="10"
    />
    <circle
        cx="256"
        cy="256"
        r="181"
        fill="none"
        stroke="#000"
        stroke-width="30"
        stroke-miterlimit="10"
    />
</svg>