[ad_1]
Hello,
the plugin only inserts blocks (ad codes) and it seems block 2 is inserted as configured (after images).
However, the ads are served by Google and sometimes they are not served (like in your case):
https://adinserter.pro/documentation/adsense-ads#ads-not-displayed
You can use debugging functions to diagnose inserions:
https://adinserter.pro/documentation/debugging