My third and fourth slides on slider are not showing

My third and fourth slider slides are not showing

You can see it at the link: 3&workflow=preview

In the website editing format, it works. But in the published version staging is not working.

When I look at the mobile version. Slide 3 and 4 do not appear. As in the print.

Here is my site Read-Only: LINK
(how to share your site Read-Only link)