Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
Daisuke Matsunaga
Table title:
International competitions
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Competition </th><th colspan=1 rowspan=1 > Venue </th><th colspan=1 rowspan=1 > Position </th><th colspan=1 rowspan=1 > Event </th><th colspan=1 rowspan=1 > Notes </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2012 </td><td class="highlighted"  colspan=1 rowspan=1 > Asian Junior Championships </td><td colspan=1 rowspan=1 > Colombo, Sri Lanka </td><td class="highlighted"  colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 10,000 m walk </td><td colspan=1 rowspan=1 > 45:03.01 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=3 > 2014 </td><td colspan=1 rowspan=2 > World Race Walking Cup </td><td colspan=1 rowspan=2 > Taicang, China </td><td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 10 km walk (junior) </td><td colspan=1 rowspan=1 > 39:45 </td></tr>
<tr> <td colspan=1 rowspan=1 > 5th </td><td colspan=1 rowspan=1 > Junior team </td><td colspan=1 rowspan=1 > 23 pts </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > World Junior Championships </td><td colspan=1 rowspan=1 > Eugene, United States </td><td class="highlighted"  colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 10,000 m walk </td><td class="highlighted"  colspan=1 rowspan=1 > 39:27.19 CR </td></tr>
<tr> <td colspan=1 rowspan=2 > 2015 </td><td colspan=1 rowspan=1 > Asian Race Walking Championships </td><td colspan=1 rowspan=1 > Nomi, Japan </td><td colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > 20 km walk </td><td colspan=1 rowspan=1 > 1:19:08 </td></tr>
<tr> <td colspan=1 rowspan=1 > Universiade </td><td colspan=1 rowspan=1 > Gwangju, South Korea </td><td colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > 20 km walk </td><td colspan=1 rowspan=1 > 1:22:06 </td></tr>
<tr> <td colspan=1 rowspan=2 > 2016 </td><td colspan=1 rowspan=1 > Asian Race Walking Championships </td><td colspan=1 rowspan=1 > Nomi, Japan </td><td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 20 km walk </td><td colspan=1 rowspan=1 > 1:19:01 </td></tr>
<tr> <td colspan=1 rowspan=1 > Olympic Games </td><td colspan=1 rowspan=1 > Rio de Janeiro, Brazil </td><td colspan=1 rowspan=1 > 7th </td><td colspan=1 rowspan=1 > 20 km walk </td><td colspan=1 rowspan=1 > 1:20:22 </td></tr>
</table>
Question:
What were the two achievements of Daisuke Matsunaga during the years 2012 and 2014?
Answer:
Daisuke Matsunaga made his first impact at the 2012 Asian Junior Athletics Championships, taking a silver, then won the 2014 World Junior Championships in a championship record of 39:27.19 minutes.