JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr>
        <td colspan=6>&nbsp;<br>&nbsp;</td>
    </tr>
    <tr>
        <td>&nbsp;</td>
        <td>&nbsp;</td>
        <td colspan=2 rowspan=2>&nbsp;<br>&nbsp;</td>
        <td>&nbsp;</td>
        <td>&nbsp;</td>
    </tr>
    <tr>
        <td colspan=2 rowspan=2>&nbsp;<br>&nbsp;</td>
        <td colspan=2 rowspan=2>&nbsp;<br>&nbsp;</td>
    </tr>
    <tr>
        <td>&nbsp;</td>
        <td>&nbsp;</td>
    </tr>
</table>

CSS

td {
    border: 1px solid black;
    width: 30px;
}