This is the table I expect:
And I used this code, but did not get the expected result
<table border="1" align="center" cellpadding="10px"><thead><tr><th>a</th><th>b</th><th>c</th></tr></thead><tbody><tr><td>d</td><td>e</td><td>f</td></tr><tr><td rowspan="2"> g </td><td rowspan="1"> h </td><td rowspan="3"> i </td></tr><tr><td rowspan="2"> j </td></tr><tr><td rowspan="1"> k </td></tr></tbody></table>