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:
Athletics at the 1976 Summer Olympics – Men's triple jump
Table title:
Final
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=2 > Rank </th><th colspan=1 rowspan=2 > Athlete </th><th colspan=6 rowspan=1 > Attempts </th><th colspan=1 rowspan=2 > Result </th><th colspan=1 rowspan=2 > Note </th></tr>
<tr> <th colspan=1 rowspan=1 > 1 </th><th colspan=1 rowspan=1 > 2 </th><th colspan=1 rowspan=1 > 3 </th><th colspan=1 rowspan=1 > 4 </th><th colspan=1 rowspan=1 > 5 </th><th colspan=1 rowspan=1 > 6 </th></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > Viktor Saneyev (URS) </td><td colspan=1 rowspan=1 > X </td><td class="highlighted"  colspan=1 rowspan=1 > 16.71 </td><td colspan=1 rowspan=1 > 17.06 </td><td colspan=1 rowspan=1 > X </td><td colspan=1 rowspan=1 > 17.29 </td><td colspan=1 rowspan=1 > X </td><td colspan=1 rowspan=1 > 17.29 m </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td class="highlighted"  colspan=1 rowspan=1 > James Butts (USA) </td><td class="highlighted"  colspan=1 rowspan=1 > 16.69 </td><td class="highlighted"  colspan=1 rowspan=1 > 16.76 </td><td colspan=1 rowspan=1 > 14.80 </td><td colspan=1 rowspan=1 > 17.18 </td><td colspan=1 rowspan=1 > 16.55 </td><td colspan=1 rowspan=1 > 16.61 </td><td colspan=1 rowspan=1 > 17.18 m </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > João Carlos de Oliveira (BRA) </td><td colspan=1 rowspan=1 > X </td><td colspan=1 rowspan=1 > 16.15 </td><td colspan=1 rowspan=1 > 16.85 </td><td colspan=1 rowspan=1 > 14.91 </td><td colspan=1 rowspan=1 > 16.69 </td><td colspan=1 rowspan=1 > 16.90 </td><td colspan=1 rowspan=1 > 16.90 m </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 > Pedro Pérez (CUB) </td><td colspan=1 rowspan=1 > 16.81 </td><td colspan=1 rowspan=1 > 16.24 </td><td colspan=1 rowspan=1 > 16.48 </td><td colspan=1 rowspan=1 > 16.47 </td><td colspan=1 rowspan=1 > X </td><td colspan=1 rowspan=1 > X </td><td colspan=1 rowspan=1 > 16.81 m </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 > Tommy Haynes (USA) </td><td colspan=1 rowspan=1 > 15.46 </td><td colspan=1 rowspan=1 > X </td><td colspan=1 rowspan=1 > 16.68 </td><td colspan=1 rowspan=1 > 16.78 </td><td colspan=1 rowspan=1 > 16.71 </td><td colspan=1 rowspan=1 > 16.71 </td><td colspan=1 rowspan=1 > 16.78 m </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 6 </td><td colspan=1 rowspan=1 > Wolfgang Kolmsee (FRG) </td><td colspan=1 rowspan=1 > 16.23 </td><td colspan=1 rowspan=1 > X </td><td colspan=1 rowspan=1 > 16.68 </td><td colspan=1 rowspan=1 > 16.58 </td><td colspan=1 rowspan=1 > 16.31 </td><td colspan=1 rowspan=1 > X </td><td colspan=1 rowspan=1 > 16.68 m </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 7 </td><td colspan=1 rowspan=1 > Eugeniusz Biskupski (POL) </td><td colspan=1 rowspan=1 > 15.91 </td><td colspan=1 rowspan=1 > X </td><td colspan=1 rowspan=1 > 16.49 </td><td colspan=1 rowspan=1 > X </td><td colspan=1 rowspan=1 > 15.79 </td><td colspan=1 rowspan=1 > X </td><td colspan=1 rowspan=1 > 16.49 m </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 8 </td><td colspan=1 rowspan=1 > Carol Corbu (ROM) </td><td colspan=1 rowspan=1 > 16.07 </td><td colspan=1 rowspan=1 > 16.18 </td><td colspan=1 rowspan=1 > 16.43 </td><td colspan=1 rowspan=1 > X </td><td colspan=1 rowspan=1 > 16.00 </td><td colspan=1 rowspan=1 > X </td><td colspan=1 rowspan=1 > 16.43 m </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=10 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 9 </td><td colspan=1 rowspan=1 > Jiří Vyčichlo (TCH) </td><td colspan=1 rowspan=1 > X </td><td colspan=1 rowspan=1 > X </td><td colspan=1 rowspan=1 > 16.28 </td><td colspan=3 rowspan=1 >  </td><td colspan=1 rowspan=1 > 16.28 m </td></tr>
<tr> <td colspan=1 rowspan=1 > 10 </td><td colspan=1 rowspan=1 > Pentti Kuukasjärvi (FIN) </td><td colspan=1 rowspan=1 > 16.15 </td><td colspan=1 rowspan=1 > 16.14 </td><td colspan=1 rowspan=1 > 16.23 </td><td colspan=3 rowspan=1 >  </td><td colspan=1 rowspan=1 > 16.23 m </td></tr>
<tr> <td colspan=1 rowspan=1 > 11 </td><td colspan=1 rowspan=1 > Bernard Lamitié (FRA) </td><td colspan=1 rowspan=1 > X </td><td colspan=1 rowspan=1 > 16.23 </td><td colspan=1 rowspan=1 > 15.93 </td><td colspan=3 rowspan=1 >  </td><td colspan=1 rowspan=1 > 16.23 m </td></tr>
<tr> <td colspan=1 rowspan=1 > 12 </td><td colspan=1 rowspan=1 > Rayfield Dupree (USA) </td><td colspan=1 rowspan=1 > X </td><td colspan=1 rowspan=1 > 16.23 </td><td colspan=1 rowspan=1 > 15.90 </td><td colspan=3 rowspan=1 >  </td><td colspan=1 rowspan=1 > 16.23 m </td></tr>
</table>
Question:
How did Saneyev and Butts perform in the first two attempts of the triple jump?
Answer:
In the second attempt, Saneyev landed at 16.71 after not qualifying in his first attempt and Butts improved to 16.76 from 16.69.