<svg width="100%" height="100%" viewBox="0 0 16 16" style="background:#fff;">
    <defs>
        <style>
            #px { width: 1px; height: 1px; }
        </style>
    </defs>
    <g>
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        <!-- row 11 -->
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    </g>
</svg>
make style for rect and remove all id="px". need simplify svg, simply. do not hoax other structures.