<svg width="1000px" height="1000px">
    <path id="pathA" d="M 300 400 L 700 400 C 900 400 900 750 600 850 A 400 400 0 0 1 200 200 L 800 800"></path>
    <path id="pathB" d="M 300 500 L 700 500"></path>
    <path id="pathC" d="M 700 600 L 300 600 C 100 600 100 200 400 150 A 400 380 0 1 1 200 800 L 800 200"></path>
</svg>