15    <table bgcolor = 'red' border = 1>
                    <tr>
                <td>8</td>
                <td>1</td>
                <td>8</td>
            </tr>
                        <tr>
                <td>8</td>
                <td>2</td>
                <td>16</td>
            </tr>
                        <tr>
                <td>8</td>
                <td>3</td>
                <td>24</td>
            </tr>
                        <tr>
                <td>8</td>
                <td>4</td>
                <td>32</td>
            </tr>
                        <tr>
                <td>8</td>
                <td>5</td>
                <td>40</td>
            </tr>
                        <tr>
                <td>8</td>
                <td>6</td>
                <td>48</td>
            </tr>
                        <tr>
                <td>8</td>
                <td>7</td>
                <td>56</td>
            </tr>
                        <tr>
                <td>8</td>
                <td>8</td>
                <td>64</td>
            </tr>
                        <tr>
                <td>8</td>
                <td>9</td>
                <td>72</td>
            </tr>
                        <tr>
                <td>8</td>
                <td>10</td>
                <td>80</td>
            </tr>
                </table>
        <table bgcolor = 'yellow' border = 1>
                    <tr>
                <td>7</td>
                <td>1</td>
                <td>7</td>
            </tr>
                        <tr>
                <td>7</td>
                <td>2</td>
                <td>14</td>
            </tr>
                        <tr>
                <td>7</td>
                <td>3</td>
                <td>21</td>
            </tr>
                        <tr>
                <td>7</td>
                <td>4</td>
                <td>28</td>
            </tr>
                        <tr>
                <td>7</td>
                <td>5</td>
                <td>35</td>
            </tr>
                        <tr>
                <td>7</td>
                <td>6</td>
                <td>42</td>
            </tr>
                        <tr>
                <td>7</td>
                <td>7</td>
                <td>49</td>
            </tr>
                        <tr>
                <td>7</td>
                <td>8</td>
                <td>56</td>
            </tr>
                        <tr>
                <td>7</td>
                <td>9</td>
                <td>63</td>
            </tr>
                        <tr>
                <td>7</td>
                <td>10</td>
                <td>70</td>
            </tr>
                </table>
    12