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DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Seminar Schedule</title>
<style>
table {
width: 100%;
border-collapse: collapse;
margin: 20px 0;
}
table, th, td {
border: 1px solid black;
}
th, td {
padding: 10px;
text-align: center;
}
th {
background-color: #f2f2f2;
}
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</head>
<body>
<h1>Seminar Schedule</h1>
<table>
<thead>
<tr>
<td rowspan="3"><b>Day</b></td>
<td colspan="3"><b>Seminar</b></td>
</tr>
<tr>
<td colspan="2"><b>Schedule</b></td>
<td rowspan="2"><b>Topic</b></td>
</tr>
<tr>
<td><b>Begin</b></td>
<td><b>End</b></td>
</tr>
</thead>
<tbody>
<tr>
<td>Monday</td>
<td>8:00 AM</td>
<td>5:00 PM</td>
<td>HTML Introduction<br>CSS Introduction</td>
</tr>
<tr>
<td rowspan="3">Tuesday</td>
<td>8:00 AM</td>
<td>11:00 AM</td>
<td rowspan="3">Database</td>
</tr>
<tr>
<td>11:00 AM</td>
<td>2:00 PM</td>
</tr>
<tr>
<td>2:00 PM</td>
<td>5:00 PM</td>
</tr>
<tr>
<td>Wednesday</td>
<td>8:00 AM</td>
<td>12:00 PM</td>
<td>Presentation</td>
</tr>
</tbody>
</table>
</body>
</html>