How to Insert Google Adsense Into Blogger XML Post Body

Much question for me "How to insert AdSense into post body?". OK, the answer like this step by step instruction :
1. Get your adsense code, for example :

replace all the html character would be. For example:

2. log in into blogger account,
3. click layout into your dashboard
4. click edit HTML and than click Expand Widget Templates.
5. Scrolldown, you will fine :

A. After Title post before first paragraphs

<div style="float:left;">:
Adsense code here
</div>
<div class='post-body'>
<p><data:post.body/></p>
<div style='clear: both;'/> <!-- clear for photos floats -->
</div>

B. After end paragraphs before credits

<div class='post-body'>
<p><data:post.body/></p>
<div style='clear: both;'/> <!-- clear for photos floats -->
</div>
<div>
Adsense code here
</div>
<div class='post-footer'>
<p class='post-footer-line post-footer-line-1'>
<span class='post-author'>
<b:if cond='data:top.showAuthor'>
<data:top.authorLabel/> <data:post.author/>

C. After Credits

<p class='post-footer-line post-footer-line-3'/>

<div> Adsense code here </div>
</div>
</div>
</b:includable>
</b:widget>
</b:section>