Icon of Subscript

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<svg width="800px" height="800px" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
<path d="M3 18H5L13 4H15M3 4H5L13 18H15M17 15L19 14V20M19 20H17M19 20H21" stroke="#000000" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
</svg>